Source: https://patents.google.com/patent/DE102004015544B4/en
Timestamp: 2020-04-08 20:04:17
Document Index: 185806316

Matched Legal Cases: ['Art 1', 'art 1', 'art 2', 'art 2', 'art 1', 'arts 125', 'arts 125', 'art 63', 'art 63', 'art 63', 'art 63', 'arts 641', 'art 260', 'art 260']

DE102004015544B4 - LED light and side mirror device - Google Patents
LED light and side mirror device
DE102004015544B4
DE102004015544B4 DE102004015544A DE102004015544A DE102004015544B4 DE 102004015544 B4 DE102004015544 B4 DE 102004015544B4 DE 102004015544 A DE102004015544 A DE 102004015544A DE 102004015544 A DE102004015544 A DE 102004015544A DE 102004015544 B4 DE102004015544 B4 DE 102004015544B4
DE102004015544A
DE102004015544A1 (en
2003-03-31 Priority to JP2003096757 priority Critical
2003-03-31 Priority to JP2003/096752 priority
2003-03-31 Priority to JP2003/096757 priority
2003-03-31 Priority to JP2003096752A priority patent/JP2004299611A/en
2004-03-16 Priority to JP2004/73865 priority
2004-03-16 Priority to JP2004073865A priority patent/JP2004319445A/en
2004-03-30 Application filed by Toyoda Gosei Co Ltd filed Critical Toyoda Gosei Co Ltd
2004-11-25 Publication of DE102004015544A1 publication Critical patent/DE102004015544A1/en
2009-05-07 Publication of DE102004015544B4 publication Critical patent/DE102004015544B4/en
LED light (10), with
an LED (11) comprising a light-emitting element (111) and radiating light laterally almost vertical to the central axis of the light-emitting element; and
a light guide member (12) in which at least the one LED (11) is installed at a predetermined position, and which comprises: a light reflecting surface (120) which reflects laterally radiated light of the LED (11) and the reflected light in a desired direction radiates; and a light emitting surface (121) that enables side-emitting light of the LED (11) to be directly emitted, and that the reflected light is externally radiated from the light-emitting surface (121),
wherein the light guiding member (12) has a front surface constituting the light emitting surface (121) and a rear surface opposing the front surface, the rear surface constituting the light reflecting surface (120) being connected to at least one step portion (13A, 13B; 13C) so that light emitted from the LED (11) is scattered.
The The invention relates to an LED lamp in which the LED as a light source is used, and a side mirror device, and in particular to an LED light and a side mirror device which provides improved visibility enable, while They have a reduced energy consumption, a long service life and offer a low profile or flat housing.
In In recent years, LEDs (light emitting diodes) have become very diverse Applied devices because they compared to conventional light bulbs a long service life and reduced energy consumption exhibit. As a LED using a luminous display device a has small light source size, she becomes common as a light source for uses a unit that is subject to a restriction on its size or Dimension is subject.
on the other hand is the energy consumption of various electronic devices capable of improving performance and function to increase. A certain proportion of people owns at home a variety of televisions or personal computers. It also increases at accelerated or at an increased rate of communication lines the number of particular personal computers to which a 24/7 access to the communication line exhibit. Therefore, even if the energy consumption in a device itself is reduced, the total energy consumption when using of several devices at the same time not negligible be. In particular, in lighting devices, such as Luminaires, an increase in energy consumption significantly.
moreover be in terms of environmental protection in global warming or Air pollution electric vehicles using a motor as Drive mechanism without ejection of warming Gas or hybrid cars, which is a combination of a motor and using a small machine instead of developing vehicles which have a drive mechanism to fossil fuel such as gasoline. However, it is even at Such new vehicles continue to be significant in terms of energy consumption of lighting devices to reduce, so a longer driving distance sure.
Vehicles, such as automobiles and motorcycles, are equipped with a rearview mirror device equipped, which allows her driver to be behind him circumstances or to observe circumstances. For example, in the case of an automobile rearview mirror devices arranged on both sides of its windshield or hood, while project them from the car's width. Even if the rearview mirror device as it is mounted from the car width cantilevered, it is for one Driver of an oncoming car or a pedestrian not easy to notice him at night because he is relatively small. Therefore, a Driver of an oncoming car, a pedestrian or a cyclist a slight collision or collision with the rearview mirror device to have.
Especially Must have a black rearview mirror device to produce a worse visibility, even if the housing color white or like that.
Japanese Patent Laid-Open Publication JP 2000-25519 A (referred to herein as "Prior Art 1") discloses a rearview mirror device with a light (referred to herein as a rearview mirror light) so as to indicate the protrusion of a rearview mirror device to prevent the collision accident (ibid. 1 and 3 ).
1 is a cross-sectional view, which in the prior art 1 revealed rearview mirror device 100 shows. The rearview mirror device 100 is at a door 200 attached to the right side of a car. The rearview mirror device 100 consists of: a housing body 101 who is at the door 200 is attached and has an opening on the back; a mirror 102 which is in the housing body 101 is enclosed so that it closes the opening; a prop 103 which is behind the mirror 102 is arranged to the mirror 102 rotatably support, and on the housing body 101 is fixed; an L-shaped support plate 104 which are inside a front surface 101 of the housing body 101 is arranged; and light bulbs 105a . 105b . 105c and 105d (which form the rearview mirror light) at predetermined intervals at the support plate 104 are arranged.
The support 103 is about a hemispherical component 103a with the back of the mirror 102 connected, and is on the housing body 101 fixed. By pressing a desired part of the mirror 102 , the mirror can 102 be adjusted so that it has a desired angle (rearward visible angle) while it is around the support 103 is turned.
The housing body 101 is made by casting transparent resin and its outer surface is coated with a transparent paint which has the same color as the body when light is transmitted therethrough. The housing body 101 has an inner surface 101b with diamond facets to diffuse emitted light.
The bulbs 105a to 105d are on the support plate 104 arranged laterally to the front surface 101 and the side surface 101c of the housing body 101 to illuminate. The lightbulbs 105a to 105d is supplied in connection with turning on a small lamp electrical energy. The number of light bulbs can be varied as you like, even if the four bulbs 105a to 105d are shown as an example.
In the operation of the light bulbs 105a to 105c radiated light is thrown on the litter diamond facets, which on the inner surface 101b of the housing body 101 are formed, scattered there, then through the coated with a layer through the housing body 101 passed through, and from the front surface 101 radiated to a forward emission light 106 to provide. From the light bulb 105d radiated light is on the side surface 101c of the housing body 101 thrown, and then through the housing body 101 passed through to lateral emission light 107 to provide.
Consequently, the rearview mirror light does not radiate the forward emission light 106 and the side emission light 107 which allows an oncoming driver, pedestrians, cyclists, motorcyclists, or a following car driver located forward, on the side or rear, the side mirror device 100 to notice or to perceive. As a result, the collision accident with the rearview mirror device 100 effectively prevented.
However, the prior art rearview mirror apparatus 1 has the following problems.
(i) Since many bulbs are needed to illuminate the front surface and the side surface of the case body, the power consumption must be increased, causing an increase in the battery load.
(ii) Since the bulbs are fixed to the support plate by pedestals, it is difficult to reduce their depth. Consequently, it is not easy for the rearview mirror device to be profiled low.
The above problems can using an LED with a reduced power consumption instead of a light bulb solved become.
however occurs even when so many LEDs are provided as light bulbs become, an unevenness the light intensity in the entire illumination range of the rearview mirror, since a LED a lower light intensity as a light bulb having. Instead, if the number of LEDs to prevent the unevenness is increased, the reduction effect of energy consumption using LEDs are destroyed.
The (referred to herein as "prior art 2") Japanese Patent Laid-Open Publication No. 2000-307807 A discloses a linear light source unit so that light emitted from an LED enters a light guide member and is then externally radiated while being reflected at a groove provided on the light guide member. It is their job to provide a wider lighting, even if an LED is used.
at the linear light source unit with light emitted by an LED becomes one, on the right and left side, by parabolic surface heads to the longitudinal direction of the light guide member to be separated Light component repeated total reflection on the second side surface and the first page surface the light guide component subjected. While the reflection becomes light having entered at the first side surface Angle of incidence smaller than its critical angle θc externally radiated. In this case, most of the surface becomes the surface Groove radiated light reflects, wherein it scattered radially becomes. Most of the light to be emitted by an LED, which is in the intermediate interface runs through the hole while it is is broken at the interface, causing it from the top interface again entering a plastic material, and then from the center the first page surface the light guide component is emitted.
however shows the linear light source unit of the prior art 2 the following problem. Because the light from the intervening Interface through the hole again enters a plastic material, occurs an unevenness the light distribution, as the external radiation property diminished by light, if a factor, such as a stain or colorants, is present in the hole, so that the passage of light blocks becomes.
EP 0 945 673 A1 discloses a linear light source unit having an elongated transparent light guide member. This light guide member is disposed above and opposite to a light source. A hole with a triangular cross section arranged above the position of the light source serves with its hole side walls as a light reflection surface of the light emitted by the light source.
It Object of the invention, an LED lamp and a vehicle rearview mirror device or side mirror device to provide, which a allow good light distribution in a wider range or range, while one reduced energy consumption, a long service life and a low profiled housing be offered.
The The object of the invention is achieved by an LED lamp according to claim 1 solved. The object of the invention is achieved by a side mirror device solved according to claim 5.
Further advantageous embodiments and further developments are in the dependent claims explained.
following become the preferred embodiments according to the invention explained with reference to the drawing. Show it:
1 a cross-sectional view of the disclosed in the prior art 1 conventional rearview mirror device;
2 a perspective view of a portion of an automobile, which is equipped with side mirror device according to a first preferred embodiment of the invention;
3 a front view of the rearview mirror device according to the first embodiment;
4 one along the BB line in 3 sectional cross-sectional view;
5 one along the line CC in 3 sectional cross-sectional view;
6 a perspective view of a light guide member 12 in 4 ;
7 an enlarged cross-sectional view of the LED 11 in 4 ;
8th a cross-sectional view of a light reflection path in the light guide member 12 when the LED 11 Emitted light;
9 a perspective view of the rear portion or part of an automobile 20 ;
10A one along the line DD in 9 sectional cross-sectional view to a high-mounted brake light 31 in accordance with a second preferred embodiment of the invention;
10B a plan view of a light guide member 12 the high mounted brake light 31 ;
10C a partial front view of a light emission surface 121 the light guide component 12 ;
11 one along the line EE in 9 cut cross-sectional view to the rear turn signal lamp 250 in accordance with a third preferred embodiment of the invention;
12A a perspective view of the front part of an automobile 20 ;
12B one along the line FF in 12A sectional cross-sectional view to a front turn signal lamp 450 in a fourth preferred embodiment of the invention;
12C one along the line KK in 12A sectional cross-sectional view to a side indicator light 43 in a fifth preferred embodiment of the invention;
13A a perspective view of the front part of a special car 50 ;
13B an enlarged perspective view of a portion of a warning light 52 in 13A in a sixth preferred embodiment of the invention;
14 a perspective view of the center part of an automobile 20 ;
15A one along the line GG in 14 12 is a cross-sectional sectional view to show a roof rail according to a seventh preferred embodiment of the invention;
15B a front view of a glowing door handle 64 in an eighth preferred embodiment of the invention;
15C one along the line HH in 15B sectional cross-sectional view;
15D one along the line II in 14 12 is a cross sectional sectional view to show a luminous side mold in a ninth preferred embodiment of the invention;
16 a perspective view of an anti-theft alarm light in a tenth preferred embodiment of the invention;
17A a front view of the rear end of an automobile;
17B one along the line JJ in 17A 12 is a cross sectional sectional view to show a license plate light in an eleventh preferred embodiment of the invention;
18 a perspective view of a shield in a twelfth preferred embodiment of the invention;
19 a perspective view of a luminous white line in a thirteenth preferred embodiment of the invention;
20 a perspective view of a stair lighting system in a fourteenth preferred embodiment of the invention;
2 shows a side mirror device 1 Rearview mirror device according to the first preferred embodiment of the invention.
The rearview mirror device 1 is on a front door 21 from automobile 20 appropriate.
3 is a front view of the rearview mirror device 1 at view in an in 2 indicated direction A.
The rearview mirror device 1 consists of a housing 2 with a recessed structure made of a resin mold, and on its front edge side is an LED lamp 10 arranged. The LED light 10 is designed or designed so that they in the housing 2 is integrated.
4 is one along the BB line in 3 cut cross-sectional view to the LED light 10 from 3 to show.
On the back of the case 2 is an opening 3 formed, and a mirror 4 is arranged so that he has the opening 3 closes. The mirror 4 is rotatably fixed to a (not shown) support member which, for example, a support member with a in 1 is a rotating mechanism shown or a support member with a motor-driven mechanism to be operated by a remote control provided in the automobile.
The LED light 10 consists of: an LED 11 the surface radiation type as a light source; and a light guide member 12 to which the LED 11 fitted or fitted, and which light of the LED 11 leads to the front part of the vehicle or steers.
5 is one along the line CC in 3 cut cross-sectional view.
The LED 11 is with a circuit board 14 electrically connected, which is a circuit board 16 comprising a wiring pattern provided with a light-emitting element (described later) of LED 11 to connect, being electrical circuits of the automobile 20 via a (not shown) wiring harness with the board 16 are connected. The circuit board 14 has a water-repellent structure (not shown) so as to be separated from one by the light guide member 12 penetrating water drops does not get wet.
6 shows the profile of the light guide member 12 in 4 ,
The light guide component 12 is formed by molding acrylic resin so as to have a curved surface at the front and back so as to provide an overall curved shape. Near the outer edge 12C the light guide component 12 is a hole 12A provided in which the LED 11 fitted in the vertical direction. The hole 12A does not go through, as in 5 shown, and the LED 11 is arranged such that the emission positions of the LED 11 at the center of the thickness h of the light guide member 12 located. The outer edge 12C the light guide component 12 extends so that it is close to the end of the mirror 4 located ( 4 ).
The front surface of the light guide member 12 is designed to have the same surface height as the case 2 having. The light guide component 12 is with sawtooth step sections 13A . 13B Equipped at the back, allowing light from the LED 11 is spread evenly and widely. The the step sections 13A . 13B comprehensive rear surface of the light guide member 12 is provided with a reflection film formed by plating, silver (or aluminum, chromium) deposition, silver plating or white plating, or grazing of aluminum and so on to improve the reflection efficiency. Alternatively, by changing the position of the LED 11 is determined, or by the rear surface of the light guide member 12 is formed such that light directed to its rear side has an angle of incidence exceeding the critical angle, totally reflects incident light on the rear surface. In this case, the reflection film is not required.
As in 6 shown is at the back of the hole 12A (near the mirror 4 ) a V-shaped notch 12B so available that they are from the LED 11 radiated light to the back wide scatters, without causing light back in the direction of the LED 11 is reflected. This will give direct light to the LED 11 combined with reflected light from the back so that unevenness of the illumination can be prevented.
7 shows the details of the LED 11 in 4 ,
The LED 11 consists of: a pair of lead frames 110a . 110b which are arranged over a gap for isolation in the XY plane; a light-emitting element 111 , which is at the original point position of the lead frame 110b mounted, which is formed by bending a band plate in an L-shape; a wire 112 for electrically connecting the upper surface electrode of the light-emitting element 111 with the upper portion of the lead frame 110a ; and a transparent epoxy resin 114 , which is shaped like a flat pillar, and the lead frames 110a . 110b , the light-emitting element 111 and the wire 112 sealed.
The transparent epoxy resin 114 consists of: a reflection surface 114B which is shaped like a bow and continuously from just above the light-emitting element 111 extends to the side direction; and a side emission surface 114C ,
The reflection surface 114B is like a screen by rotating a part of a parabola which is a focal point at the center of an emission surface of the light-emitting element 111 and is symmetrical about the X-axis, formed around the Z-axis in a range of within 60 or more degrees of the Z-axis.
With such a formed LED 11 is from the light-emitting element 111 emitted light at the reflection surface 1145 and thereby effectively in the lateral direction vertical to the central axis of the light-emitting element 111 be radiated. By attaching the LED 11 to the light guide component 12 is from the light-emitting element 111 laterally radiated light from the rear surface of the light guide member 12 reflects which the step sections 13A . 13B having. Consequently, the light from the LED 11 be radiated in a wider range, and therefore its visibility can be improved.
It is desirable for people or a vehicle, which are located in the automobile, that the LED light 10 turns on when it is necessary for the existence of the rearview mirror device 1 must be confirmed, for example, at night, rather than normal driving. Consequently, the interconnection of the electrical circuit to the circuit board 14 designed so that the LED light 10 in conjunction with any or all of the turn signal light (direction indicator light), parking light and so on. In addition, the circuit may be composed or formed such that a front position light is switched on manually by the driver. The color of the LED light 10 emitted light is desirably yellow when the LED 10 is used as a turn signal lamp (direction indicator lamp), parking lamp, etc., and is desirably white when used for front position light. A desired light color can be achieved by combining the emission color of the LED 11 and the color of the light guide member 12 be obtained. For example, a yellow light can be obtained using any of the following combinations:
(1) A combination of yellow LED emission light 11 and a transparent or semi-transparent and colorless light guide member 12 ;
(2) a combination of white emission light from the LED 11 and a transparent or semitransparent yellow-colored light guide member 12 ; and
(3) a combination of yellow LED emission light 11 and a transparent or semi-transparent and yellow-colored light guide component 12 ,
By combination of the LED 11 the Flächenabstrahlungstyps and the light guide member 12 With a wide reflection surface, the range of light emission can be significantly widened even if only one LED is used. Therefore, the number of LEDs used can be reduced.
8th shows the reflection paths of light emitted from the LED 11 in the light guide member 12 ,
In operation, when the LED 11 Energy is supplied, the LED emits 11 Light. As in 8th shown is from the LED 11 emitted light in all directions (radius directions) emitted by 360 ° in the horizontal plane. Part of the emitted light is transmitted through the light guide member 12 passed through, and is emitted directly forward and to the side, as indicated by an arrow 17A in 8th shown. Another part of the light is on the back surface with the step sections 13A . 13B and the other section, and it is, in a reflection on it, emitted forward, as by arrows 17B . 17C in 8th shown. Another another part of the light is in the light guide member 12 repeatedly reflected, as by an arrow 17D in 8th and then from the nearer end to the diagonal front of the light guide member 12 radiated. In addition, a part of the light is at the front of the light guide member 12 totally reflected, as by an arrow 17E in 8th shown, and then radiated backwards.
In the first embodiment, the LED lamp 10 from the LED 11 the Flächenabstrahlung type as a light source and the light guide member 12 , which is laterally expanded and bent, and with the step sections 13A . 13B equipped on the back. Light from the LED 11 becomes the front surface and the rear surface of the light guide member 12 guided, wherein led to the front surface light directly in the front and side direction of the housing 2 is emitted. Light not transmitted directly through the front surface and light emitted to the back surface is reflected at the step portions or the rear surface, and then as the controlled light from the case 2 radiated. Consequently, from the LED 11 radiated light in a desired direction from the entire surface of the light guide member 12 be taken out. Therefore, from the LED 11 of the surface emitting type effectively taken out light in a direction required for increasing the light intensity direction. Therefore, the power consumption can be reduced because the number of required light sources decreases.
Even if the LED 11 in the first embodiment, near the outer edge of the light guide member 12 is arranged, it can be anywhere in the light guide member 12 be arranged, when it is able to light evenly to the step sections 13A . 13B radiate. Although only one LED is used in the first embodiment, a plurality of LEDs may be used, and thereby the light intensity may be increased. In such a case, the LEDs may be located on either side, spaced apart at a plurality of positions, or with an array of two LEDs facing up and down at one location. Even if the LED 11 in the first embodiment, from the bottom of the light guide member 12 is inserted, it can also from the top of the light guide component 12 be inserted.
Although in the first embodiment, the rear surface of the light guide member 12 with the sawtooth step sections 13A . 13B is equipped, it may be provided with another structure such as pyramid unevenness so as to be out of the light guide member 12 to take out light evenly.
Even if the light guide component 12 in the first embodiment has an exposed front surface, while in the housing 2 is fitted, the front surface of the light guide member 12 with the housing 2 be covered. In this case, part of the case 2 for covering the light guide member 12 transparent or semitransparent, and may be provided with a spreading surface, such as a non-uniform surface.
Even if the rearview mirror device 1 In the first embodiment, when applied to four-wheeled automobiles, it can be applied to a variety of vehicles such as motorcycles, side cars, special purpose vehicles. In the case of an automobile, the rearview mirror device may 1 be applied to a fender mirror, which differs from the in 2 shown door mirror differs. In this case, the same effect as the door mirror can be obtained.
The previously described LED light 10 may also be applied to a lighting system such as vehicle lighting equipment that is different from the rearview mirror apparatus. Other applications of the LED light are described below.
9 Fig. 16 is a perspective view of the rear portion of an automobile 20 , The rear section of an automobile 20 consists of: a hinged door or tailgate 23 , which can be opened and closed, with a rear window or a rear window 22 ; a bumper 24 from a resin mold that is capable of the rear section of the automobile 20 to protect; a rear combination light 25 which is at the rear corner of the car 20 is provided; a rear turn signal light 250 having an LED as a light source, and in the rear combination lamp 25 is installed; a resin rear spoiler or rear spoiler 30 which is on the upper side of the rear window 22 is provided; and a high-mounted brake light 31 which is in the rear spoiler 30 is incorporated, and is able to emit red light.
10A is one along the line DD in 9 sectional cross-sectional view of the high-mounted brake light 31 according to the second preferred embodiment of the invention.
10B is a plan view of a light guide member 12 the high mounted brake light 31 ,
10C is a partial front view of a light emitting surface 121 the light guide component 12 ,
meanwhile Be in the description below similar components with the same numbers as in the first embodiment be used.
As in 10A shown, there is the high-mounted brake light 31 from: a housing 32 made of opaque resin; a lens section 33 made of red opaque resin, which is shaped along the housing 32 extends; and a support member 34 in that the light guide component 12 supported so that it is at a predetermined position.
The LED 11 is of the surface radiation type and is capable of emitting red light. It is through a sealing component 123 of a resin material, such as an epoxy resin, integrally with the light guide member 12 formed while in a hole 12A the light guide component 12 is housed.
The light guide component 12 is with a light reflection surface 120 which is provided with a light-reflecting film such as an aluminum film to be formed by deposition and a light-emitting surface 121 equipped, which is capable of the LED 11 to emit emitted light externally.
10B This shows in the high mounted brake light 31 built-in light guide component 12 , The light guide component 12 is with a step section 13A equipped, which at the light reflection surface 120 is formed, which is able of the LED 11 to reflect emitted light in a predetermined direction. The step section 13A is in accordance with the number of in the light guide member 12 recorded LEDs provided.
10C shows a light source image in the light-emitting surface 121 the light guide component 12 , Will the LED 11 turned on, is from the LED 11 emitted light in the direction of the light reflection surface 120 from the step section 13A reflects and then passes through the light-emitting surface 121 emitted to the outside. Consequently, on the light-emitting surface 121 Light source images 111A the LED 11 and quasi-light source images 111E on the basis of at the step sections 13A formed reflected light.
In the second embodiment, a plurality of quasi-light source images can be formed by using a small number of light sources. Therefore, the high-mounted brake light 31 have a novel visibility based on such a good light distribution characteristic over a wider range, while providing a low profile body, lower power consumption, and a longer uptime.
Meanwhile, since the second embodiment, the LED 11 used to emit red light, the lens section 33 be made of transparent resin.
11 is one along the line EE in 9 cut cross-sectional view to the rear turn signal lamp 250 according to the third preferred embodiment of the invention.
The rear turn signal light 250 consists of a light guide component 12 which has three LEDs 11A . 11B and 11C of surface radiation type in holes 12A and which within an outer lens 251 made of acrylic resin. The LEDs 11A . 11B and 11C emit yellow-series light. At a light reflection surface 120 formed step sections 13A . 13B and 13C are optically designed so that light from the LEDs 11A . 11B and 11C is radiated in such a direction that the driver of an oncoming car is not disturbed. The number of LEDs is not limited to three and may be one.
In the third embodiment, in addition to the effects of the second embodiment, the car interior can be increased since the protruding volume of the rear turn signal lamp 250 can be reduced to the interior of the car. In addition, since the surface area of the rear turn signal lamp 250 can be reduced, a design freedom or
Concept freedom of the car body can be increased. In addition, the rear turn signal light can 250 have a novel visibility by a plurality of light source images by the light guide member 12 is emitted to the outside or externally. In addition, the brightness may be due to the LEDs 11A . 11B and 11C of surface radiation type can be improved while offering a flat body.
Although in the third embodiment, the rear turn signal lamp 250 with the LED 11 For example, for emitting yellow-series light, it may be on a brake light, rear light or tail lamp or floor lamp, tail light, etc. are used, which are to be included in a rear combination lamp. In such a case, the emission color of the LED 11 changed to another color, such as red and white.
12A Fig. 16 is a perspective view of the front part of an automobile 20 ,
The automobile 20 consists of: a windscreen 40 which is arranged in front of a vehicle interior; a hood 41 , which in front of the windscreen 40 is arranged; a side fender 42 which covers the front side panel of a car body as it moves along the hood 41 extends; a side indicator light 43 , which in the side fender 42 is arranged; a bumper made of a resin mold 44 that is capable of the front part of the automobile 20 to protect; a headlamp unit 45 standing at the front corner of the automobile 20 is provided; and a front turn signal light 450 in the headlamp unit 45 is included.
12B is one along the line FF in 12A sectional cross-sectional view to the front turn signal lamp 450 according to the fourth preferred embodiment of the invention show.
The front turn signal light 450 is with one inside an outer lens 451 arranged light guide component 12 and LEDs 11A . 11B equipped to emit yellow light. The LEDs 11A . 11B are in holes 12A the light guide component 12 taken up or housed. Even if the two LEDs 11A . 11B used in the fourth embodiment to in the headlamp unit 45 to be installed, the number of LEDs is not particularly limited.
In the fourth embodiment, in addition to the effects of the third embodiment, the front turn signal lamp using an LED may 450 in the headlamp unit 45 be installed, and the front turn signal light 450 may have a novel visibility while providing a scaled down and flat body. In addition, the front turn signal light 450 in any shape according to the shape of the headlamp unit 45 be formed. Even if the LEDs 11A . 11B In the fourth embodiment, as shown to emit yellow light, the LEDs 11A . 11B have different emission light colors. For example, the LED 11A for the emission of yellow light and the LED 11B find use for the emission of white light.
12C is one along the line KK in 12A sectional cross-sectional view to the side indicator light 43 according to the fifth preferred embodiment of the invention.
The side indicator light 43 is with a light guide member also functioning as an outer lens 12 , an LED 11 of surface radiation type capable of emitting yellow light and fixing parts 125 126 equipped as part of the light reflection surface 120 are formed. The light guide component 12 is through the intervention between the fixation parts 125 . 126 and the side fender 42 fixed.
at the fifth embodiment can additionally to the effects of the fourth embodiment The number of parts can be reduced because the outer lens is not required is. Therefore, the Production costs are reduced.
13A is a perspective view of the front part of a special automobile 50 ,
13B is an enlarged perspective view of a portion of a warning light 52 in 13A according to the sixth preferred embodiment of the invention.
The special automobile 50 is a police car and it is with the warning light 52 equipped, on a roof 51 of the special automobile 50 is mounted, and is able to emit red light.
The warning light 52 is with a base 53 acting as a fixing member on the roof 51 serves, and a spreader 54 equipped, which accommodates a light source or housed to produce red light.
The spreader 54 exists, as in 13B shown, made of: a transparent cover 55 made of red transparent resin; a variety of light guide components 12 which is in the transparent cover 55 are included; and an LED 11 of Flächenabstrahlungstyps, which in a hole 12A the light guide component 12 is housed, and is able to emit red light. The light guide components 12 are in the transparent cover 55 housed while being stacked in the vertical direction and having their light reflecting surfaces opposed to each other.
In the warning light 52 is powered by the LED 11 emitted light at the Lichtrefle xionsoberfläche 120 reflected and then from the light emission surface 121 emitted to the outside. The light emission surface 121 allows light to be based on a light source image 111A and light based on a quasi-light source image 111E is emitted from it.
In the sixth embodiment, since the warning light 52 from the variety of combinations of the LED 11 and the light guide member 12 is composed of the warning light 52 with high visibility, even if a small number of light sources are used.
Although in the sixth embodiment, the warning lamp mounted on the police car 52 is shown as an example for emitting red light, it can be applied to another special automobile with a warning light, for example, to emit yellow light.
14 is a perspective view of the middle part of an automobile 20 , The automobile 20 consists of: a luminous roof railing 61 on a roof 60 is mounted; a light guide component 12 which is in the luminous roof railing 61 is included; a roof rail fixing part 63 that the shining roof rails 61 on the roof 60 fixed; a glowing door handle 64 who is at a door 21A . 21B is appropriate; a luminous side cast 65 that is capable of the door 21A . 218 to protect; a light guide component 12 , which in the luminous side casting 65 is included; and an anti-theft alarm light 66 , which is included in a dashboard.
15A is one along the line GG in 14 sectional cross-sectional view to show the roof rail according to the seventh preferred embodiment of the invention.
The roof rail fixing part 63 is made of high mechanical strength resin such as ABS (acrylonitrile-butadiene-styrene), and is in the light guide member 12 integrated. In a hole 12A the light guide component 12 is an LED 11 of the surface radiation type housed to emit yellow light. With the LED 11 is a circuit board 14 electrically connected and she is in the roof rail fixing part 63 accommodated.
From the LED 11 emitted yellow light is emitted from a light emitting surface 121 the light guide component 12 radiated. In addition, at the light reflection surface 120 reflected light from the light emission surface 120 radiated. In addition, part of the LED 11 emitted light, while it is at the light reflection surface 120 and the light-emitting surface 121 the light guide component 12 is reflected repeatedly. This will make the entire light guide component 12 able to produce yellow light or yellow light.
In the seventh embodiment, since the light guide member 12 the shining roof railing 61 is capable of light using the in the roof rail guide part 63 housed LED 11 to radiate, taking on the battery of the automobile 20 applied load can be reduced. Therefore, the commodity value of the roof rails can be improved as a luminous accessory.
15B is a front view of the luminous door handle 64 according to the eighth preferred embodiment of the invention.
15C is one along the line HH in 15B cut cross-sectional view.
The glowing door handle 64 consists of: a door handle 640 made of resin such as ABS; and door handle fixing parts 641 . 642 holding the door handle 640 fix it to him in a depression 210 the door 21A . 21B to position. The door handle fixing component 641 is with a key insertion slot 643 equipped for locking or unlocking the door. 15B shows a state in which light source images 111A and quasi-light source images 111E at the light emission surface 121 be formed on the basis of white light, which from the door handle 640 built-in LED 11 of the surface emitting type is emitted.
The door handle 640 emits white light from the light emission surface 121 based on the emission of the LED 11 located at their center, as in 15C shown. In addition, from the LED 11 to the door side emitted white light from the light emission surface 121 emitted while it is at the light reflection surface 120 is reflected.
The LED 11 For example, it may emit light when a lighting system such as a headlamp is turned on when a keyless entry device is operated, and when a key is inserted in the key insertion slot 643 is inserted and it is operated.
In the eighth embodiment, since that in the door handle 640 integrated light guide component 12 is able to light based on the emission of the LED 11 of the Flächenabstrahlung type, the position of the door handle 640 easy to find, even if the visibility or visibility at night is very low. Consequently, the ease of operation of the door can be improved.
In addition, since the light guide component 12 is capable of light in the longitudinal direction of the door handle 640 to generate by the door handle 640 with the one LED 11 the surface radiation type is equipped, the door handle 640 Generate light without complicating its composition or formation. Although in the eighth embodiment, the LED 11 of the surface emitting type is used to emit white light, another LED may be used which emits light of other color, for example, yellow light.
15D is one along the line II in 14 sectional cross-sectional view around the luminous side mold 65 according to the ninth preferred embodiment of the invention.
The glowing side cast 65 consists of: a molded body 65A made of resin; a light guide component 12 which is at the center of the casting body 65A is arranged; an LED 11 of Flächenabstrahlungstyps in a hole 12A the light guide component 12 is housed, and is able to emit yellow light; and a sealing component 620 made of epoxy resin, which is the LED 11 , the light guide component 12 and the circuit board 14 integrated or one-piece sealed. The LED 11 and the circuit board 14 are inside the door 21A arranged.
The glowing side cast 65 allows that from the LED 11 emitted yellow light from the light emission surface 121 is radiated externally or to the outside. In addition, from the LED 11 to the door side emitted yellow light from the light emission surface 121 are emitted to the outside while it is at the light reflection surface 120 is reflected. It is desired that the amount of the light emission surface 121 radiated light is so low that the driver of an oncoming car is not disturbed.
The LED 11 is enabled to emit light, for example, when a lighting system, such as a headlight or a front light, is turned on when a keyless entry device is operated, and when a key in the key insertion slot 643 is inserted and it is operated.
In the ninth embodiment, the side mold is for protecting the door 21A integrated before the contact with another structure or another structure in the luminous display device, which consists of the LED 11 and the light guide member 12 is composed. Therefore, the light decoration characteristic on the side surface of the car body can be improved. In addition, since the side mold can generate light, the driver can easily confirm his car side edge by this illumination. Therefore, it can make it easier to put the car back in the garage or park on the street in parallel.
16 is a perspective view of the anti-theft alarm light 66 according to the tenth preferred embodiment of the invention. The anti-theft alarm light 66 uses the light guide component 12 and the LED 11 of the surface emitting type to emit red light described in the sixth embodiment. It has a sloped surface 122 on, from which light the LED 11 is removed, and which integrates with the surface of the dashboard 70 is formed.
The LED 11 is enabled to emit light, for example, when a lighting system, such as a headlight, is turned on when a keyless entry device is operated, and when a key is inserted in the key insertion slot 643 is inserted, and it is operated.
The anti-theft alarm light 66 allows that from the LED 11 emitted red light from the light emission surface 121 is radiated to the outside. In addition, from the LED 11 to the back of the dashboard 70 emitted red light from the inclined surface 122 are emitted to the outside while it is at the light reflection surface 120 is reflected. In an operation of the anti-theft alarm light 66 becomes the LED 11 switched on periodically. Thereby, light source images become on the inclined surface 111A and quasi-light source images 111E educated.
In the tenth embodiment, the anti-theft alarm light is 66 from the light guide component 12 and the LED 11 of the Flächenabstrahlungstyps composed. As a result, it can be flat and in a space at the front end of the dashboard 70 be housed. In addition, the anti-theft alarm light 66 because the inclined surface 122 where the red light from the LED 11 to be taken out, integrated with the surface shape of the dashboard 70 is formed, have an excellent appearance.
17A is a front view of the rear end of an automobile 20 ,
17B is one along the line JJ in 17A sectional cross-sectional view to a license plate light 36 according to the eleventh preferred embodiment of the invention.
The automobile 20 consists of: a rear window or a rear window 22 , which is provided on the rear side of the car body; a rear combination light 25 on the side of the rear window 22 is arranged; a rear wiper 28 that is capable of raindrops on the rear window 22 to eliminate; a tailgate 26 that fit together with the rear window 22 and the rear wiper 28 can open and close; a door handle 27 that to operate the tailgate 26 is provided; a bumper 24 from a resin mold that is capable of the rear part of the automobile 20 to protect; and a muffler 29 provided under the car body to damp the exhaust noise.
The tailgate 26 consists of: a license plate fixing part 260 which is a license plate 65 fixed; a mold 361 , which above the license plate fixing part 260 is provided; a license plate light 36 which is inside the mold 361 is arranged to the license plate 35 to illuminate; a bolt 352 which the license plate 35 fixed; and a seal 351 which the bolt 352 sealed.
The license plate light 36 exists, as in 17B shown off: an LED 11 the surface radiation type capable of emitting white light; a light guide component 12 which with a hole 12A is provided to the LED 11 accommodate; and a sealing component 360 made of epoxy resin, which is the LED 11 , the light guide component 12 and the circuit board 14 integrated or one-piece sealed.
The license plate light 36 allows that from the LED 11 emitted white light from the light emission surface 121 is radiated to the outside. In addition, from the LED 11 to the opposite side of the license plate emitted white light from the light emitting surface 121 are emitted to the outside while it is at the light reflection surface 120 is reflected.
In the eleventh embodiment, the license plate light is 36 from the light guide component 12 and the LED 11 of the surface radiation type. This allows a good visibility of the license plate 35 offer while it is scaled down. There may be one or more in the light guide member 12 recorded LED 11 to provide.
18 is a perspective view of a sign 80 according to the twelfth preferred embodiment of the invention. The shield 80 consists of a shield housing 80A made of transparent resin, and a shield plate 81 , such as a guide, on the front side of the shield housing 80A is provided.
The shield housing 80A houses or brings a yellow light-emitting LED 11 of the surface radiation type, and a light guide member 12 below that, along the inner wall of the shield housing 80A is arranged and with a hole 12A to accommodate the LED 11 Is provided. It is capable of the perimeter of the shield plate 81 to illuminate with yellow light coming from the LED 11 to emit and from the light emission surface 121 is to be broadcast.
In the twelfth embodiment, because of the LED 11 emitted light of the Flächenabstrahlung type, it is along the edge of the shield housing 80A is guided, a plurality of quasi-light source images on the light-emitting surface 121 are formed while the number of light sources is reduced. This can increase the visibility of the shield 81 be improved. The color of the LED 11 emitted light is not limited to yellow, and may be white, etc. Alternatively, a plurality of LEDs with different emission colors may be used around the edge of the shield case 80A to illuminate or to illuminate.
This embodiment may be based on something other than the shield case 80A be applied. For example, a housing of an audio system or a housing of a desktop personal computer can be equipped with a transparent illumination by one of an LED 11 and a light guide member 12 existing or composite luminous display device find use. The embodiment may also be applied to a non-box type casing such as a keyboard, a mouse device and a printer.
19 is a perspective view of a glowing white line 86 according to the thirteenth preferred embodiment of the invention.
The from an LED 11 and a light guide member 12 existing glowing white line 86 is at a platform 85 provided a track 88 is adjacent. In the platform 85 are a variety of LEDs 11 and the light guide member 12 which are the same as described in the eleventh embodiment. The glowing white line 86 notifies the passengers about the entry of a train 87 while light is being generated.
In the thirteenth embodiment, the passengers on the platform 85 because of the LED 11 The light emitted from the surface emitting type is linearly emitted while being emitted from the light guiding member 12 be notified of an entry of a train. Furthermore, since the LED 11 As a light source is used to ensure stable lighting for long periods or many hours, and a longer operating time is offered. The color of the LED 11 emitted light is not limited to white, and may be yellow, etc.
20 is a perspective view of a staircase lighting system 130 according to the fourteenth preferred embodiment of the invention.
The staircase lighting system, which is composed of a surface emitting type LED and a light guide member 12 existing luminous component is applied to a station equipment. It consists of: a railing 93 made of metal; the light guide component 12 made of transparent resin, such as acrylic resin, which integrates with the railing 93 is formed; a fixing member 95 which is the railing 93 on a side wall 96 fixed; a night light 96A which is in the sidewall 96 embedded while having an area-emitting type LED as a light source; and stairs 97 that with a guide light 98 are equipped, which has a surface emitting type LED embedded therein as a light source.
The railing 93 accommodates the surface emitting type LED (not shown) as a light source, and enables light emitted from the surface emitting type LED from the surface of the light guiding member 12 is radiated to the outside. The light guide component 12 is in the longitudinal direction of the railing 93 arranged linearly.
The night light 96A like the railing 93 enables light emitted from the surface emitting type LED (not shown) from the surface of the light guide member 12 is radiated to the outside. An exposed part of the side wall 96 is the light-emitting surface of the light guide member 12 ,
The guide light 98 like the railing 96 and the night light 96A , allow light emitted from the surface emitting type LED (not shown) to emit light from the surface of the light guide member 12 is radiated to the outside. An exposed part of the surface of the stairs 97 is the light-emitting surface of the light guide member 12 ,
In the fourteenth embodiment, since the device structure such as a railing, stairs and a wall is provided with the luminous display device composed of a surface emitting type LED and a light guide member, the staircase lighting system can provide good visibility and reduced power consumption without it is limited to the shape of the fitted structure. The color of the LED 11 emitted light in the stairwell lighting system may be white, yellow, blue, etc. The fourteenth embodiment can be applied to a staircase lighting system to be installed in a house.
Even if the rearview mirror device 1 In the first embodiment, when applied to four-wheeled automobiles, it can be applied to a variety of vehicles such as motorcycles, side cars, and special purpose vehicles. In the case of an automobile, the rearview mirror device 1 be applied to a mudguard mirror of the in 21 shown door mirror is different. In this case, the same effect as the door mirror can be obtained.
Even if the cover 13 in the first embodiment at the front of the reflector 12 can be part of the reflector 12 facing housing 2 as the cover 13 work or serve. Namely, this part of the case 2 transparent or semitransparent, and another part may be the same color as the car body. With such a composition or composition, the degree of integration between the housing 2 and the LED light 10 be improved.
Although the invention for a complete and clear disclosure with reference to the In accordance with specific embodiments, the appended claims are not so limited, but are to be understood to embody all modifications and alternative constructions that may occur to those skilled in the art, which obviously fall within the basic teachings set forth herein.
A Luminous display device has an LED, which is a light-emitting Element and light in a direction almost vertical to the optical Axis of the light-emitting element radiates, and a light guide member in which the at least one LED at a predetermined Position recorded or installed or housed. The light guide component has a light reflection surface, the light reflects, so that it is surface-blasted from the LED, and the allows that the reflected light is emitted in a desired direction and a light-emitting surface that allows that direct light from the LED is emitted directly, and that the reflected light from the light emitting surface externally or to the outside is emitted.
LED light ( 10 ), with an LED ( 11 ), which is a light-emitting element ( 111 ) and radiates light laterally almost vertical to the central axis of the light-emitting element; and a light guide component ( 12 ), in which at least one LED ( 11 ) is installed at a predetermined position, and which comprises: a light reflection surface ( 120 ), which laterally emitted light of the LED ( 11 ) and the reflected light radiates in a desired direction; and a light-emitting surface ( 121 ), which allows light emitted laterally from the LED ( 11 ) is emitted directly, and that the reflected light from the light-emitting surface ( 121 ) is radiated externally, wherein the light guide component ( 12 ) a front surface, which the light emitting surface ( 121 ), and has a rear surface opposite the front surface, the rear surface containing the light reflection surface ( 120 ), with at least one step section ( 13A ; 13B ; 13C ), so that from the LED ( 11 ) scattered light is scattered.
LED light ( 10 ) according to claim 1, wherein the step portion ( 13A ; 13B ; 13C ) of the light guide member has a plurality of light reflecting surfaces.
LED light ( 10 ) according to claim 1 or 2, wherein the LED in a recess ( 12A ) housed in the light guide component ( 12 ) is formed.
LED light ( 10 ) according to one of claims 1 to 3, wherein the LED ( 11 ) and the light guide component ( 12 ) in a housing ( 63 ; 620 ; 640 ) are housed.
Side mirror device ( 1 ) for observing the conditions rearward of a vehicle ( 20 ), with a housing ( 2 ), which has a mirror arranged on its rear side ( 4 ); characterized by an LED ( 11 ), which is a light-emitting element ( 111 ) and radiates light in a lateral direction almost vertical to the central axis of the light-emitting element; and a light guide component ( 12 ) which is attached to the housing so as to be attached to a part of the outer surface of the housing (FIG. 2 ) is arranged opening; and at least the one LED ( 11 ) receives at a predetermined position; the light guide component ( 12 ) allows part of the LED ( 11 ) is transmitted laterally emitted light and that another part of the LED ( 11 ) is reflected on its inner surface so that it is radiated in a desired direction, and wherein the light guide member ( 12 ) a front surface having a light emitting surface ( 121 ) and has a rear surface opposite the front surface, which defines the light reflection surface (10). 120 ) and with at least one step section ( 13A ; 13B ; 13C ), so that from the LED ( 11 ) scattered light is scattered.
Side mirror device ( 1 ) according to claim 5, wherein the step portion ( 13A ; 13B ; 13C ) as a reflection surface ( 120 ) that works by the LED ( 11 ) reflected light or light, which on at least a part of the front surface and the rear surface of the light guide member ( 12 ) is reflected in a desired direction to allow the light to be emitted from the front surface of the light guide member (10). 12 ) is radiated to the outside.
Side mirror device ( 1 ) according to claim 5, wherein the LED ( 11 ) between the front surface and the rear surface of the light guide member (FIG. 12 ) and near the outer edge of the housing ( 2 ) is arranged.
Side mirror device ( 1 ) according to claim 5, wherein the light guiding component ( 12 ) a V-shaped notch ( 12B ) on the rear surface, wherein the notch ( 12B ) for scattering the abge of the LED beamed light serves.
Side mirror device ( 1 ) according to one of claims 5 to 8, wherein the light guide component ( 12 ) has an end which is close to the mirror ( 4 ) on the back of the case ( 2 ).
Side mirror device ( 1 ) according to one of claims 5 to 9, wherein the housing ( 2 ) on a door ( 21 ) or on a bonnet ( 41 ) of the vehicle ( 20 ), or attached to a motorcycle.
Side mirror device ( 1 ) according to one of claims 5 to 10, wherein the LED ( 11 ) emits yellow or white light.
Side mirror device ( 1 ) according to one of claims 5 to 11, wherein the LED ( 11 ) in conjunction with a turn signal lamp ( 250 ) and / or a parking light is turned on.
DE102004015544A 2003-03-31 2004-03-30 LED light and side mirror device Expired - Fee Related DE102004015544B4 (en)
JP2003096757 2003-03-31
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JP2003096752A JP2004299611A (en) 2003-03-31 2003-03-31 Rear-view mirror device
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DE102004015544A1 DE102004015544A1 (en) 2004-11-25
DE102004015544B4 true DE102004015544B4 (en) 2009-05-07
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