Patent Publication Number: US-9404624-B2

Title: Lighting apparatus

Description:
CROSS-REFERENCE TO RELATED PATENT APPLICATIONS 
     This application is a U.S. National Stage Application under 35 U.S.C. §371 of PCT Application No. PCT/KR2013/006453, filed Jul. 18, 2013, which claims priority to Korean Patent Application Nos. 10-2012-0079877, filed Jul. 23, 2012 and 10-2012-0089324, filed on Aug. 16, 2012, whose entire disclosures are hereby incorporated by reference. 
     TECHNICAL FIELD 
     The embodiment relates to a lighting apparatus. 
     BACKGROUND ART 
     In general, various types of lighting apparatuses such as ceiling-mounting type lamps, scenery lighting lamps, sleeping lamps, and stand lamps exist according to purposes thereof. The lighting apparatuses must irradiate light with sufficient luminance level according to purposes. Accordingly, recently, a light emitting diode (LED) has been used for a lighting apparatus. In comparison with other light sources such as a fluorescent lamp and an incandescent lamp, the LED is advantageous because of low power consumption, a long lifetime, a fast response time, safety, and environment-friendliness. Accordingly, many studies and researches to replace the existing light sources with the light emitting diode have been carried out. 
     However, the above lighting apparatuses are turned-on/off by a switch connected to the lighting apparatuses through a cable. Accordingly, a user of the lighting apparatus must inconveniently control the lighting apparatus. 
     DISCLOSURE 
     Technical Problem 
     Therefore, the embodiment provides a lighting apparatus which is easily controllable. 
     Technical Solution 
     According to the embodiment, there is provided a lighting apparatus including a control module supplying an electric power; a heat sink receiving the control module; a light source module mounted on the heat sink and including a light source connected to the control module; and an antenna device disposed on the light source module and connected to the control module. 
     Advantageous Effects 
     According to the embodiment, the lighting apparatus has the wireless communication function. The lighting apparatus can receive the wireless control signal. The lighting apparatus is capable of controlling the light source according to the wireless control signal, so that the lighting apparatus is wirelessly controllable. That is, a user can easily control the lighting apparatus. Thus, the convenience of the user using the lighting apparatus can be improved. 
    
    
     
       DESCRIPTION OF DRAWINGS 
         FIG. 1  is an exploded perspective view showing a lighting apparatus according to the first embodiment. 
         FIG. 2  is a perspective view showing the assembly structure of the lighting apparatus according to the first embodiment. 
         FIG. 3  is a sectional view taken along line A-A′ in  FIG. 1 . 
         FIG. 4  is a block diagram showing a detailed configuration of a control module in  FIG. 1 ; 
         FIG. 5  is an exploded perspective view showing a lighting apparatus according to the second embodiment; 
         FIG. 6  is a perspective view showing the assembly structure of the lighting apparatus according to the second embodiment; 
         FIG. 7  is an exploded perspective view showing a communication module in  FIG. 5 ; and 
         FIG. 8  is a sectional view taken along line B-B′ in  FIG. 5 . 
     
    
    
     BEST MODE 
     Mode for Invention 
     Hereinafter, the embodiment will be described in more detail with reference to the accompanying drawings. The same reference numerals will be used to refer to the same elements throughout the drawings. In addition, a detailed description of known functions and configurations which make the subject matter of the disclosure unclear will be omitted. 
     In the description of the embodiments, it will be understood that, when an element is referred to as being “on” or “under” another element, it can be “directly” or “indirectly” on the other element, or one or more intervening elements may also be present. Such a position of an element has been described with reference to the drawings. 
       FIG. 1  is an exploded perspective view showing a lighting apparatus according to the first embodiment.  FIG. 2  is a perspective view showing the assembly structure of the lighting apparatus according to the first embodiment.  FIG. 3  is an sectional view taken along line A-A′ in  FIG. 1 .  FIG. 4  is a block diagram showing a detailed configuration of a control module in  FIG. 1 . 
     Referring to  FIGS. 1 to 4 , the lighting apparatus  100  according to the embodiment includes a light source module  105 , a light distribution cover  130 , a control module  140 , a housing  150 , a shield cover  160 , a feeding cover  170 , a heat sink  180 , an antenna device  190 , and a contact member  195 . The light source module  105  includes a light source  110  and a light source coupling part  120 . 
     A light source  110  generates light. The light source  110  may include a light emitting diode. The light source  110  includes a feeding device  111 , a plurality of feeding wires  113 , a plurality of base substrates  115 , and a plurality of LED (Light Emitting Diode) devices  117 . 
     The feeding device  111  provides electric power in the light source  110 . The feeding device  111  may include a PCB (Printed Circuit Board). 
     The feeding wires  113  connect the feeding device  111  to the base substrates  115 . The feeding wires  113  may directly connect the feeding device  111  to each of the base substrates  115 . To the contrary, the feeding wires  113  may connect the feeding device  111  to some of the base substrates  115  and may connect the base substrates  115  to each other. In addition, the feeding wires  113  transfers electric power from the feeding device  111  to the base substrates  115 . 
     The base substrates  115  control the light source  110 . The base substrates  115  apply the electric power of the feeding device  111  to the LED devices  117 . The base substrates may include PCBs. 
     The LED devices  117  are mounted on the base substrates  115 . The plurality of LED devices  117  may be mounted on each base substrate  115 . The LED devices  117  generate lights according to the electric power applied from the base substrates  115 . That is, the LED devices  117  emit lights. 
     The light source coupling part  120  is coupled to the light source  110  to fix the light source  110  thereto. At least one fixing hole  121  and at least coupling hole  123  are formed in the light source coupling part  120 . The base substrate  115  is disposed in the fixing hole  121 . The base substrate  115  and the LED devices  117  are fixed to the light source coupling part  120  in the fixing hole  121 . The light source coupling part  120  exposes the LED device  117  through the fixing hole  121 . The feeding device  111  is disposed in the coupling hole  123 . The coupling hole  123  has a size larger than that of the feeding device  111 . In addition, the feeding device  111  is exposed through the coupling hole  123  of the light source coupling part  120 . The light source coupling part  120  may be formed of an insulation material. Further, the light source coupling part  120  may have a thickness of about 2.5 mm or more. 
     The light distribution cover  130  surrounds the light source  110  over the light source coupling part  120 . The light distribution cover  130  may have a bulb shape in which an opening is formed. The light distribution cover  130  protects the light source  110  and discharges the light from the light source  110 . The light distribution cover  130  discharges the light forward or backward. The light distribution cover  130  may be formed of at least one of glass, plastic, polypropylene and polyethylene. Further, the light distribution cover  130  may be formed of polycarbonate having superior light resistance, thermal resistance and impact strength. Ivory white paint may be coated on the inner surface of the light distribution cover  130  facing the light source  110 . The paint may include a diffusion material for diffusing light. 
     The control module  140  controls all operations of the lighting apparatus  100 . The control module  140  may include a PSU (Power Supply Unit). The control module  140  includes a converting unit  141 , a communication unit  143 , a coupling terminal  145 , a light source driving unit  147  and a feeding terminal  149 . The converting unit  141 , communication unit  143  and light source driving unit  147  are installed in the control module  140 . Meanwhile, the coupling terminal  145  and the feeding terminal  149  are protruded from the control module  140 . The coupling terminal  145  and the feeding terminal  149  face the coupling hole  123 . The coupling terminal  145  may be protruded toward the antenna device  190  and the feeding terminal  149  may be protruded toward the feeding device  111 . The coupling terminal  145  may be protruded higher than the feeding terminal  149 . 
     The converting unit  141  is connected to an external power source (not shown). The converting unit  141  converts AC power of the external power source into DC power. 
     The communication unit  143  drives the antenna device  190 . The communication unit  143  provides electric power to the antenna device  190 . The communication unit  143  grounds the antenna device  190 . The communication unit  143  receives a wireless control signal through the antenna device  190 . 
     The coupling terminal  145  is connected to the communication unit  143 . The coupling terminal  145  makes contact with the antenna device  190 . The coupling terminal  145  passes through the coupling hole  123 . The coupling terminal  145  is protruded over the light source coupling part  120 . The coupling terminal  145  makes contact with the contact member  195 . In addition, the coupling terminal  145  makes contact with the antenna device  190  through the contact member  195 . The coupling terminal  145  connects the communication unit  143  to the contact member  195 . That is, the coupling terminal  145  connects the communication unit  143  to the antenna device  190 . The coupling terminal  145  includes a first coupling terminal  145   a  and a second coupling terminal  145   b . The first coupling terminal  145   a  provides the electric power from the communication unit  143  to the antenna device  190 . The second coupling terminal  145   b  grounds the antenna device  190  to the communication unit  143 . 
     The light source driving unit  147  drives the light source  110 . The light source driving unit  147  provides electric power to the light source  110 . The light source driving unit  147  controls the light source  110  according to the wireless control signal. 
     The feeding terminal  149  is connected to the light source driving unit  147 . The feeding terminal  149  is connected to the light source  110 . The feeding terminal  149  makes contact with the feeding device  111  of the light source  110 . The feeding terminal  149  makes contact with a lower portion of the feeding device  111  under the light source coupling part  120 . That is, the feeding terminal  149  connects the light source driving unit  147  to the feeding device  111 . The feeding terminal  149  provides electric power to the light source  110 . The feeding terminal  149  provides electric power to the feeding device  111 . 
     The housing  150  receives the control module  140 . A receiving hole  151  is formed in the housing  150 . The housing  150  receives the control module  140  through the receiving hole  151 . The housing  150  may have a cylindrical shape. The housing  150  may prevent the control module  140  and the heat sink  180  from being short-circuited to each other. The housing  150  may be formed of a material having excellent insulation and durability. The housing  150  may be formed of a resin. 
     The housing  150  includes a connecting terminal  153 . The housing  150  is coupled to an external power source through the connecting terminal  153 . The connecting terminal  153  may be coupled to the external power source through a socket scheme. The connecting terminal  153  may make electrical contact with the external power source. That is, the connecting terminal  153  may be electrically connected to the external power source. In this case, the connecting terminal  153  may be formed of a conductive material. 
     The shield cover  160  seals the housing  150 . The receiving hole  151  of the housing  150  is covered with the shield cover  160  at an upper portion of the housing  150 . The shield cover  160  may prevent the control module  140  and the heat sink  180  from being short-circuited to each other. The shield cover  160  may be formed of a material having excellent insulation and durability. Further, the shield cover  160  may be formed of a resin. 
     At least one through-hole  161  is formed in the shield cover  160 . The through-hole  161  is disposed on the same axis as the coupling hole  123 . The through-hole  161  receives the coupling terminal  145  and the feeding terminal  149 . The through-hole  161  passes through the coupling terminal  145  and the feeding terminal  149 . The coupling terminal  145  and the feeding terminal  149  are exposed through the through-hole  161  of the shield cover  160 . The coupling terminal  145  is protruded through the through-hole  161  toward the antenna device  190 . The feeding terminal  149  is protruded through the through-hole  161  toward the feeding device  111 . 
     The feeding cover  170  seals the housing  150 . The receiving hole  151  of the housing  150  is covered with the feeding cover  170  at a lower portion of the housing  150 . The feeding cover  170  makes contact with the external power source. The feeding cover  170  electrically connects the control module  140  to the external power source. The feeding cover  170  may be made of a conductive material. 
     The heat sink  180  receives the control module  140 , the housing  150  and the shield cover  160 . A receiving groove (not shown) is formed in the heat sink  180 . That is, the control module  140 , the housing  150  and the shield cover  160  are received in the receiving groove of the heat sink  180 . The light source  110  is mounted on the heat sink  180 . The heat generated from the light source  110  is released through the heat sink  180 , so that the control module  140  is protected from the heat generated from the light source  110 . The heat sink  180  includes a first heat sink  181  and a second heat sink  185 . 
     The first heat sink  181  is disposed on the shield cover  160 . The first heat sink  181  is coupled to the light distribution cover  130 . The first heat sink  181  is coupled to the light distribution cover  130  at a periphery thereof. The light source  110  and the light source coupling part  120  are mounted on the first heat sink  181 . The first heat sink  181  makes contact with the light source  110 . The heat generated from the light source  110  is transferred to the second heat sink  185  through the first heat sink  181 . The first heat sink  181  may have a cylindrical shape. The first heat sink  181  may have a plane shape. 
     At least one inserting hole  183  is formed in the first heat sink  181 . The inserting hole  183  is disposed on the same axis as those of the coupling hole  123  and the through-hole  161 . The coupling terminal  145  and the feeding terminal  149  are received in the inserting hole  183 . The coupling terminal  145  and the feeding terminal  149  pass through the inserting hole  183 . The coupling terminal  145  and the feeding terminal  149  are exposed through the inserting hole  183  of the first heat sink  181 . That is, the coupling terminal  145  is protruded through the inserting hole  183  toward the contact member  195 . The feeding device  111  is protruded through the inserting hole  183 . 
     The second heat sink  185  surrounds the housing  150 . The second heat sink  185  exposes the connecting terminal  153 . That is, the second heat sink  185  surrounds the housing  150  except for the connecting terminal  153 . The second heat sink  185  may have a cylindrical shape. The second heat sink  185  extends downward from the first heat sink  181 . A diameter of the second heat sink  185  may be reduced as the second heat sink  185  extends downward along the central axis of the first heat sink  181 . The heat generated from the light source  110  is released through the second heat sink  185 . 
     The second heat sink  185  includes a plurality of heat sink fins  187 , so that the surface area of the second heat sink  185  is increased due to the heat sink fins  187 . As the surface area of the second heat sink  185  is larger, the heat release efficiency of the second heat sink  185  is improved. The heat sink fins  187  extend downward from the first heat sink  181 . The heat sink fins  187  may be disposed radially from the central axis of the first heat sink  181 . The heat sink fins  187  may be protruded in the direction perpendicular to the central axis of the first heat sink  181 . 
     The antenna device  190  performs a wireless communication function of the lighting apparatus  100 . The antenna device  190  resonates in a predetermined frequency band, so that the antenna device  190  transceives an electromagnetic wave. The antenna device  190  resonates at a predetermined impedance. 
     The antenna device  190  is mounted on the light source coupling part  120 . The antenna device  190  is disposed at an outside of the heat sink  180 . The antenna device  190  is exposed from the heat sink  180 . The antenna device  190  is spaced apart from the heat sink  180 . The antenna device  140  is spaced apart from the heat sink  180  by a distance corresponding to a thickness of the light source coupling part  120 . For example, a gap distance d between the antenna device  140  and the heat sink  180  may be about 2.5 mm or more. In addition, the antenna device  190  may be spaced apart from the light source  110 . 
     The antenna device  190  is connected to the control module  140 . The antenna device  190  is connected to the coupling terminal  145 . The antenna device  190  makes contact with the contact member  195 . The antenna device  190  is connected to the coupling terminal  145  through the contact member  195 . In addition, the antenna device  190  is connected to the communication unit  143  through the coupling terminal  145 . Thus, an electric power is provided from the communication unit  143  to the antenna device  190 . The antenna device  190  is grounded through the communication unit  143 . One end of the antenna device  190  is connected to the communication unit  143  and the opposite end of the antenna device  190  is opened. 
     The antenna device  190  is driven by using the electric power provided through the coupling terminal  145 . The antenna device  190  receives a wireless control signal for controlling the control module  140 . The antenna device  190  transmits a wireless control signal to the control module  140 . The antenna device  190  transmits the wireless control signal to the control module  140  through the coupling terminal  145 . 
     The antenna device  190  may be formed in a patch type and thus, may be attached to the light source coupling part  120 . The antenna device  190  may be formed on the light source coupling part  120  by drawing the antenna device  190  with a conductive ink. Also, the antenna device  190  may be patterned on the light coupling part  120 . The antenna device  190  may be formed in at least one of bar, meander, spiral, step and loop types. The antenna device  190  may be made of a conductive material. The antenna device  190  may include at least one of Ag, Pd, Pt, Gu, Au and Ni. 
     The contact member  195  is connected to the antenna device  190 . The contact member  195  is closed to the antenna device  190 . In this case, one end of the contact member  195  makes contact with the antenna device  190 . The contact member  195  extends from the antenna device  190 . The contact member  195  is protruded from the antenna device  190 . After the contact member  195  is bent from the antenna device  190 , the contact member  195  may be 
     The contact member  195  allows the antenna device  190  to make contact with the control module  140 . An opposite end of the contact member  195  makes contact with the coupling terminal  145 . The contact member  195  may make contact with a side surface of the coupling terminal  145  over the light source coupling part  120 . That is, the contact member  195  allows the antenna device  190  to make contact with the coupling terminal  145 . Further, the contact member  195  allows the antenna device  190  to make contact with the communication unit  143  through the coupling terminal  145 . In addition, the contact member  145  provides the electric power from the communication unit  143  to the antenna device  190 , and allows the antenna device  190  to be grounded through the communication unit  143 . 
     The contact member  195  may be made of the same material as that of the antenna device  190 . The contact member  195  may be made of a material different from that of the antenna device  190 . The contact member  195  may be made of a conductive material. The contact member  195  may include at least one of Ag, Pd, Pt, Cu, Au and Ni. 
     According to the embodiment, the lighting apparatus  100  has a wireless communication function. The lighting apparatus  100  may receive a wireless control signal through the antenna device  190 . The lighting apparatus  100  may control the light source  110  according to the wireless control signal. Thus, the lighting apparatus  100  is wireless-controllable. That is, a user of the lighting apparatus  100  can easily control the lighting apparatus  100 . Thus, the user convenience of the lighting apparatus  100  may be improved. 
     Meanwhile, although an example including the control module  140  and the communication unit  143  is disclosed in the above-described embodiment, the embodiment is not limited thereto. That is, even though the control module  140  does not include the communication unit  143 , the embodiment can be implemented. As an example thereof, the second embodiment will be described below. 
       FIG. 5  is an exploded perspective view showing a lighting apparatus according to the second embodiment.  FIG. 6  is a perspective view showing the assembly structure of the lighting apparatus according to the second embodiment.  FIG. 7  is an exploded perspective view showing a communication module in  FIG. 5 .  FIG. 8  is a sectional view taken along line B-B′ in  FIG. 5 . 
     Referring to  FIGS. 5 to 8 , the lighting apparatus  100  according to the second embodiment includes a light source  210 , a light source coupling part  220 , a light distribution cover  230 , a control module  240 , a housing  250 , a shield cover  260 , a feeding cover  270 , a heat sink  280 , and a communication module  290 . an antenna device  190 , and a contact member  195 . Since the configurations of the light source  210 , the light source coupling part  220 , the light distribution cover  230 , the control module  240 , the housing  250 , the shield cover  260 , the feeding cover  270  and the heat sink  280  are similar to those described above, the detailed description thereof will be omitted. 
     That is, the light source  210  includes a feeding device  211 , a plurality of feeding wires  213 , a plurality of base substrates  215 , and a plurality of LED (Light Emitting Diode) devices  217 . At least one fixing hole  221  and at least coupling hole  223  are formed in the light source coupling part  220 . A receiving hole  251  is formed in the housing  250  which includes the connecting terminal  253 . In addition, at least one through-hole  261  is formed in the shield cover  260 . A receiving groove (not shown) is formed in the heat sink  280  which includes a first heat sink  281  and a second heat sink  285 . At least one inserting hole  283  is formed in the first heat sink  281 . The second heat sink  285  includes a plurality of heat sink fins  287 . 
     However, according to the second embodiment, the feeding device  211  and the communication module  290  are disposed in the coupling hole  223 . The light source coupling part  220  exposes the feeding device  211  and the communication module  290  through the coupling hole  223 . The communication module  290  passes through the coupling hole  223 . That is, the communication module  290  is protruded in two directions about the light source coupling part  220 . 
     According to the second embodiment, the control module  240  includes a converting unit (not shown), a coupling terminal  245 , a light source driving unit (not shown) and a feeding terminal  249 . In this case, the configurations of the converting unit, the light source driving unit and the feeding terminal  249  are similar to those of the corresponding elements described above. Meanwhile, the coupling terminal  245  of the control module  240  according to the second embodiment is connected to the converting unit. The coupling terminal  245  is connected to the communication module  245 . The coupling terminal  145  is coupled to the communication module  290 . The coupling terminal  245  may receive the communication module  290 . A coupling groove  246  may be formed in the coupling terminal  245 . The coupling groove  246  may face the communication module  290 . The communication module  290  is received in the coupling groove  246 . The coupling terminal  245  is connected to the communication module  190 . The coupling terminal  245  allows the converting module to connect with the communication  290 . 
     Thus, the coupling terminal  245  of the control module  240  according to the embodiment provides electric power to the communication module  290 . That is, the control module  240  provides electric power to the communication module  290  through the coupling terminal  245 . The coupling terminal  245  receives a wireless control signal for controlling the control module  240  from the communication module  290 . That is, the control module  240  receives the wireless control signal from the communication module  290  through the coupling terminal  245 . 
     The through-hole  261  in the shield cover  260  according to the embodiment is disposed on the same axis as the coupling hole  223 . The feeding terminal  249  and the communication module  290  are received in the through-hole  261 . The feeding terminal  249  and the communication module  290  passes through the through-hole  261 . The feeding terminal  249  and the coupling terminal  245  are exposed through the through-hole  261  of the shield cover  260 . The feeding terminal  249  and the coupling terminal  245  are protruded through the through-hole  261  toward the feeding device  211 . The communication module  290  is protruded toward coupling terminal  245  through the through-hole  261 . 
     In addition, the inserting hole  283  of the first heat sink  281  is disposed the same axis as the coupling hole  223  and the through-hole  261 . The feeding terminal  249  and the communication module  290  is received in the inserting hole  283 . The feeding terminal  249  and the communication module  290  passes through the inserting hole  283 . The feeding terminal  249  and the coupling terminal  245  are exposed through the inserting hole  283  of the first heat sink  281 . That is, the feeding terminal  249  is protruded toward the feeding device  211  through the inserting hole  283 . Further, the communication module  290  is protruded toward the coupling terminal  245  through the inserting hole  283 . 
     In addition, according to the embodiment, the communication module  290  receives the wireless control signal for controlling the lighting apparatus  200 . The communication module  290  is connected to the control module  240 . The communication module  290  is spaced apart from the light source  210 , and crosses the light source coupling part  220 , the heat sink  280  and the shield cover  260 . The communication module  290  is coupled to the control module  240 . The communication module  290  includes a substrate  310 , a connecting terminal  320 , a ground part  330 , an antenna device  340  and a protection cover  350 . 
     The substrate  310  is provided for a support in the communication module  290 . The substrate  310  has a flat structure. The substrate  310  may be a PCB. In addition, the substrate  310  may include a dielectric. The substrate  310  includes a connecting region  311 , a driving region  313  and an antenna region  315 . 
     The connecting region  311  is placed at one end of the substrate  310 . The connecting region  311  faces the control module  240 . The connecting region  311  faces the coupling terminal  245 . The connecting region  311  may face the coupling groove  246 . The connecting region  311  is inserted into the heat sink  280 . The connecting region  311  is received in the receiving groove. The connecting region  311  is coupled to the control module  240 . The connecting region  311  is coupled to the coupling terminal  245 . The connecting region  311  may be inserted into the coupling groove  246 . 
     The driving region  313  extends from the connecting region  311 . The driving region  313  is placed at the central portion of the substrate  310 . The driving region  313  crosses the light source coupling part  220 , the heat sink  280  and the shield cover  260 . The driving region  313  is inserted into the heat sink  280 . The driving region  313  receives the coupling hole  223 , the inserting hole  283 , the through-hole  261  and the receiving groove of the heat sink  280  which exist on the same axis. 
     The driving region  313  includes a driving device (not shown). The driving device is installed in the substrate  310  and disposed in the driving region  313 . The driving device extends from the driving region  313 . One end of the driving device extends to the connecting region  311 , and the opposite end extends to the antenna region  315 . 
     The antenna region  315  is placed at the opposite end of the substrate  310 . The antenna region  315  is opposite to the connecting region  311  about the driving region  313 . The antenna region  315  is connected to the connecting region  311  through the driving region  313 . The antenna region  315  is protruded from the heat sink  280 . The antenna region  315  is exposed from the heat sink  280 . The antenna region  315  is placed over the light source coupling part  220 . The antenna region  315  may be spaced apart from the light source  210 . 
     The connecting terminal  320  is provided for an interface between the communication module  290  and the control module  240 . The connecting terminal  320  is disposed in the connecting region  311  of the substrate  310 . The connecting terminal  320  is connected to one end of the driving device. The connecting terminal  320  is connected to the control module  240 . The connecting terminal  320  is coupled to the coupling terminal  245  together with the connecting region  311  to connect with the coupling terminal  245 . The connecting terminal  320  may be inserted into the coupling groove  246 . An electric power is provided to the communication module  290  through the connecting terminal  320 . That is, the electric power is provided from the coupling terminal  245  to the connecting terminal  320 . 
     The ground part  330  is provided for a ground of the communication module  290 . The ground part  330  is disposed in the connecting region  311  of the substrate  310 . The ground part  330  may be spaced apart from the ground terminal  320 . The ground part  330  may not make contact with the connecting terminal  320 . The ground part  330  may be connected to one end of the driving device. 
     The antenna device  340  performs a wireless communication function in the communication module  290 . The antenna device  340  resonates in a predetermined frequency band, so that the antenna device  190  transceives an electromagnetic wave. The antenna device  340  resonates at a predetermined impedance. The antenna device  340  is disposed in the antenna region  315  of the substrate  310 . The antenna device  340  is connected to an opposite end of the driving device. That is, the antenna device  340  is connected to the connecting terminal  320  through the driving device. The antenna device  340  may be connected to the ground part  330  through the driving device. One end of the antenna device  340  is connected to the driving device and the opposite end is opened. 
     The antenna device  340  is protruded from the heat sink  280 . The antenna device  340  is disposed at an outside of the heat sink  280 . The antenna device  340  together with the antenna region  315  is exposed from the heat sink  280 . The antenna device  340  is spaced apart from the heat sink  280 . A gap distance d between the antenna device  340  and the heat sink  280  may be about 1 mm or more. The antenna device  340  is disposed In addition, the antenna device  190  may be spaced apart from the light source  110   
     The antenna device  240  is driven with the electric power supplied from the connecting terminal  320 . The antenna device  340  receives the wireless control signal for controlling the control module  240 . The antenna device  340  transmits the wireless control signal to the control module  240 . The antenna device  340  transmits the wireless control signal to the control module  240  through the connecting terminal  320 . 
     The antenna device  340  may be formed in a patch type and thus, may be attached into the antenna region  315 . The antenna device  340  may be formed in the antenna region  315  by drawing the antenna device  340  with a conductive ink. Also, the antenna device  340  may be patterned in the antenna region  315 . The antenna device  340  may be formed in at least one of bar, meander, spiral, step and loop types. The antenna device  340  may be made of a conductive material. The antenna device  340  may include at least one of Ag, Pd, Pt, Gu, Au and Ni. 
     The protection cover  350  receives the substrate  310 . The protection cover  350  covers the substrate  310 . The protection cover  350  covers the driving region  313  and the antenna region  315 , and exposes the connecting region  311 . The protection cover  350  receives the antenna device  340  and exposes the connecting terminal  320 . In other words, the connecting terminal  320  is protruded from the protection cover  350 . The light distribution cover  130  may be formed of at least one of plastic, polypropylene, polyethylene and polycarbonate. The protection cover  350  includes a first protection cover  351  and a second protection cover  353 . 
     The first protection cover  351  surrounds the driving region  313 . The first protection cover  351 , together with the driving region  313 , crosses the light source coupling part  220 , the heat sink  280  and the shield cover  260 . The first protection cover  351  is inserted into the heat sink  280 . The first protection cover  351  is received in the coupling hole  223 , the inserting hole  283 , the through-hole  261  and the receiving groove of the heat sink  280  which are aligned on the same axis. 
     The second protection cover  353  receives the antenna region  315 . In addition, the second protection cover  353  receives the antenna device  340 . The second protection cover  353  extends from the first protection cover  351 . An inserting groove is formed in the second protection cover  353 . That is, the antenna device  340  is received in the inserting groove of the second protection cover  353  together with the antenna region  315 . 
     The second protection cover  353  is protruded from the heat sink  280 . The second protection cover  353  is exposed from the heat sink  280 . The second protection cover  353  allows the antenna device  340  to be spaced apart from the heat sink  280 . The second protection cover  353  is placed on the light source coupling part  220 . The second protection cover  353  is coupled to the heat sink  280 . The second protection cover  353  is formed in a larger size than that of the inserting hole  283 , such that the second protection cover  353  is not inserted into the heat sink  280 . 
     According to the embodiment, the lighting apparatus  200  has the wireless communication function. The lighting apparatus  200  can receive the wireless control signal through the communication module  290 . The lighting apparatus  200  is capable of controlling the light source  210  according to the wireless control signal. That is, a user of the lighting apparatus  200  is capable of easily controlling the lighting apparatus  200 . Thus, the user convenience of the lighting apparatus  200  can be improved. 
     Although embodiments have been described with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More particularly, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, alternative uses will also be apparent to those skilled in the art.