baber/WOPTO huggingface dataset:
Patent KR-20110106704-A (KR)
Inventor: PARK WOO HEON
IPC: B43L1/00
Filed: 2010-03-23
Abstract: 본 발명에 따른 칠판 유닛은 승강 가이드와; 승강 가이드를 따라 승강되게 배치된 승강 칠판과; 상부에 상부 개구부가 형성되고 가이드 레일이 형성된 칠판 틀과; 칠판 틀에 가이드 레일을 따라 좌우로 이동되게 배치된 좌우 이동 칠판과; 승강 칠판의 상부에 설치되어 좌우 이동 칠판의 상부를 가이드 하는 보조 가이드 레일을 포함하여, 좌우 이동 칠판이 승강 칠판의 전방으로 이동될 때, 승강 칠판에 올려지지 않고 칠판 틀에 올려지므로, 좌우 이동 칠판이 부드럽고 안정적으로 이동되는 이점이 있고, 좌우 이동 철판의 이동이 쉬운 이점이 있다.
Patent KR-20110112892-A (KR)
Title: 진동식전동칫솔
Inventor: LIM JANG O
IPC: A46B15/00
Filed: 2010-04-08
Abstract: 본 발명은 충전식 전지와 소형모터를 이용하여 구동하는 칫솔로 구강 청결용 칫솔의 동작을 마치 손으로 칫솔질 하는 것과 같이 치아가 서있는 상하방향으로 동작하되 전지와 모터 같은 동력을 이용하기 때문에 빠른 속도로 많은 수의 칫솔질을 단시간에 할 수 있고 특히 본 발명의 진동식 전동칫솔은 그 동작이 일반 기계식 보다 미세하고 섬세하며 치아와 직각방향의 동작이 수반되어 치주 마사지 효과가 있기 때문에 치아건강과 보존에 도움이 된다. 
       
     A;핸들 S;샤프트 H;모터하우징 D;배터리하우징 T;결합구 Q;결합고리 V;결합홈 I;결합판 J;결합돌기 L;결합공 Z;탄력암 W;편심원추
Patent KR-20110113280-A (KR)
Title: 사다리 수직조절기
Inventor: CHEON BO YEONG
IPC: B66F11/00
Filed: 2010-04-09
Abstract: 본 고안은 이사할 때 짐을 올리고 내리는 사다리차에 관한 것으로, 이삿짐을 내리고 올릴 때 사다리의 경사와 각도를 맞추기는 쉽지만 사다리를 일단 올린 상태에서는 수직이 맞지 않으면 사다리 좌우로 흔들려 위험하다. 이때 사다리 수직조절기를 좌우로 움직이면 사다리 수직상태가 교정되므로 옆으로 쓰러지는 사고를 미연에 방지할 수 있는 효과를 가져 온다. 
       
     사다리 수직조절기
Patent KR-20110120519-A (KR)
Inventor: YANG WON SEOG
IPC: G01M99/00
Filed: 2010-04-29
Abstract: 본 발명은 자동 염수 공급 장치에 관한 것으로, 물과 염을 각기 다른 경로를 통하여 공급받아 내부에서 염수를 생성 및 보관하며, 필요에 따라 보관된 염수를 일정량씩 송출하는 염수 저장부와, 고체 염을 공급받아 내부에 저장하며, 상기 염수 저장부에서 필요로 하는 양에 따라 보관된 고체 염을 상기 염수 저장부로 공급하는 염 공급부 및 상기 염수 저장부로의 물 공급과 염 공급을 각각 조절하는 제어부를 포함한다.
Patent KR-20110120754-A (KR)
Title: Electromotive gate latch system
Inventor: HUR DEOG JAE
IPC: E05B81/24
Filed: 2010-04-29
Abstract: PURPOSE: An electric gate latch system is provided to operate a latch to be open or closed by delivering torque of a motor to a clutch and a gear. CONSTITUTION: An electric gate latch system comprises a latch lever(110), an open lever(120), a gear(130), one-way clutch(140), and a motor(150). The latch lever comprises the latch pin to rotate the latch and is connected to the latch. The open lever is installed in order to disconnect a latch and a ratchet. The gear is located to rotate near the latch pin and the open lever. One-way clutch is gear-combined in the gear and delivers torque in the forward rotation under a load condition. A one-way clutch revolves counter-clockwise under a non-load condition. The motor rotates the one-way clutch.
Patent KR-20110123538-A (KR)
Title: Viewing angle image controllable liquid crystal display
Inventor: AHN BYUNG GUN
IPC: G02F1/1335
Filed: 2010-05-07
Abstract: PURPOSE: A view angle control liquid crystal display apparatus is provided to prevent the exposure of information by improving light leakage effects. CONSTITUTION: A gate wiring is equally formed with a common wiring. The gate wiring is formed at the boundary of each pixel area(P3, P4) on a first substrate. The gate wiring is crossed with a data wiring(140) in order to define the pixel area. A thin film transistor(Tr) is formed in the pixel area and connects the gate wiring with the data wiring. The first substrate is faced with a second substrate.
Patent KR-20110123619-A (KR)
Title: Combined piezoelectric haptic touch panel module and screen module
Inventor: LEE YOUNG JIN
IPC: G06F3/041
Filed: 2010-05-07
Abstract: PURPOSE: A piezoelectric haptic touch panel module and touch screen module are provided to form four or more piezoelectric bodies on a top panel and to implement a touch function of a piezoelectric body by calculating the coordinate of a pressure location according to the intensity of the piezoelectric body. CONSTITUTION: Four or more piezoelectric bodies are formed on the corner of a bottom panel(330). A top panel(300) is formed in the top piezoelectric body. The pressure transferred to the top panel is transferred to the piezoelectric body. The location in which pressure generates is recognized as a coordinate by analyzing the difference between piezoelectric voltages. A haptic operation applies voltage to the piezoelectric body.
Patent KR-20110125742-A (KR)
Inventor: PARK YOUNG KWON
IPC: B01J20/16
Filed: 2010-05-14
Abstract: 포름알데히드를 흡착하여 실내 대기의 질을 개선할 수 있는 새로운 흡착제 및 이의 제조방법이 제시되어 있다. 본 발명의 일 측면에 따르면, 아민기가 도입되어 포름알데히드의 흡착성능이 우수한 메조포러스 물질을 포함하는, 포름알데히드 흡착제를 개시한다.
Patent KR-20110129615-A (KR)
Title: Method for manufacturing fermented composition of livestocks' excrements using thermophilic aerobic bacteria and removal method of offensive ordor using fermented composition
Inventor: CHA SANG WHA
IPC: B01D53/34
Filed: 2010-05-26
Abstract: PURPOSE: A method for manufacturing fermented material from livestock excrement using aerobic thermophiles is provided to eliminate bad odors emanating from the fermented material and to improve the convenience of an excrement collecting process. CONSTITUTION: Livestock excrement is collected at one side of a livestock barn. A moisture controller is added to the livestock excrements in order to control the moisture content of the livestock excrement in a range between 50 and 70 weight%. Thermophiles are applied to the livestock excrement and are stirred with the livestock excrement. The stirred livestock excrement is stacked on the bottom of the livestock barn. A fermenting process is implemented. The stacked material is turned over after a pre-set period. A secondary fermenting process is implemented.
Patent KR-20110131003-A (KR)
Title: Information collecting apparatus and method
Inventor: KIM YOUNG MAN
IPC: H04W88/02
Filed: 2010-05-28
Abstract: PURPOSE: An information collecting device and a method thereof are provided to obtain various types of information such as height of a human who is moving, moving speed, direction, heat beat by using a micro type Doppler radar sensor with a MIMO antenna. CONSTITUTION: An antenna(10) transceives a propagation signal. A transmission unit(20) transceives the propagation signal. A receiver(30) receives the electronic signal through the antenna. A signal which is reflected by being propagated to an object in which a propagating signal is stopped or moving is received. The information about the objet is collected.
Patent KR-20100066426-A (KR)
Title: Charging device for electric motorcar which used shock absorber and motor
Inventor: KIM SEONG YEUL
IPC: H02J7/32
Filed: 2010-05-29
Abstract: PURPOSE: A battery car charging apparatus using a motor and a buffer is provided to reduce time and cost required to charge by charging a storage battery into a self development electricity without additional energy cost. CONSTITUTION: Upward and downward cylinders(13, 15) are separated by a piston pad(14) of a buffer. The upward and downward cylinder includes vents(16, 25) of two up and down. Two of three direction automatic cone valves(18, 18a) and one of three direction automatic ball valve(19) are connected to high-tension hoses(17, 17a). An electricity is produced by rotating a gas or an oil compacted by a buffer pressure to a turbine. The produced electricity is charged on a storage battery(24) through a converter(23) and drives an electric motor(26).
Patent KR-20110132896-A (KR)
Title: Etching composition for slope-type etching apparatus and etching method using the same
Inventor: PARK YOUNG CHUL
IPC: C09K13/06
Filed: 2010-06-03
Abstract: PURPOSE: An etchant composition for a tilting type etching device for processing large substrates, and an etching method using thereof are provided to secure the uniform etching function on the entire substrates. CONSTITUTION: An etchant composition for a tilting type etching device contains the following: 64-72wt% of phosphoric acid; 4-8wt% of nitric acid; 4-15wt% of acetic acid; 0.1-3wt% of more than one potassium salt compound selected from potassium nitrate, potassium acetate, or potassium phosphate; and the balance of water. The etchant composition is for etching a monolayer or a multilayer formed with compounds selected from the group consisting of aluminum, aluminum alloy, molybdenum, molybdenum alloy, copper, copper alloy, titanium, titanium alloy, an indium oxide film, and chrome.
Patent KR-20110136973-A (KR)
Title: Method for unloading semiconductor device in testhandler
Inventor: JEON IN GU
IPC: H01L21/66
Filed: 2010-06-16
Abstract: PURPOSE: A semiconductor device unloading method in a test handler is provided to prevent a fault loading state of a semiconductor device, thereby improving reliability of an unloading process. CONSTITUTION: The lower side part of a pad placed in the lower part of a picker is inserted in a loading groove of an insert(S61). The insert is opened by operating a opening apparatus(S62). A semiconductor device loaded in the loading groove is absorbed and gripped by the pickers(S63). The semiconductor device gripped by the pickers is unloaded(S64). The insert is closed by reversely operating the opening apparatus(S65).
Patent KR-20110137906-A (KR)
Title: A device magnetizing water
Inventor: HAN SUNG
IPC: C02F1/48
Filed: 2010-06-18
Abstract: PURPOSE: A water magnetizing apparatus is provided to minimize the structure of the apparatus and to increase dissolved oxygen in water by pulverizing and rotating the water. CONSTITUTION: A water introducing part(20) primarily accelerates the flux of water by introducing the water into a space between flat protrusions(21) which are spaced apart. A horizontal magnetic containing part(30) includes one or more first neodium permanent magnets and a first magnetism increasing plate(31). The neodium permanent magnets magnetize the primarily accelerated water. The first magnetism increasing plate increases the magnetic force to a horizontal direction by blocking the magnetic force of the neodium permanent magnets to a vertical direction. A main body includes a water collecting pipe, an accelerating pipe, one or more second neodium permanent magnets, and a second magnetism increasing plate.
Patent KR-20120001957-A (KR)
Title: Black box for vehicle and method for recording traffic accident of the same
Inventor: KIM MYUNG WOO
IPC: G01D9/00
Filed: 2010-06-30
Abstract: PURPOSE: In the situation in which the register is not applied to due to the malfunction of the acceleration sensor or the accident situation created after the vehicle parking, the information and accident information of the vehicles can be recorded. CONSTITUTION: A method for recording accident of black box comprises the following steps. The action mode of the vehicles is established among the parking monitoring mode or the driving mode as one mode(S101). The sound is input to the fixed action mode among operation through the microphone(S103). Based on the voice information recognizing the frequency of the frequency of the sound changing the sound which it is input to the frequency or the sound, the accident happening whether or not is decided(S111). It is determined as the decision result of the step deciding, and the event occurrence, the accident information which is inputted through the information of the vehicles which becomes in advance decided for hour and camera and microphone and becomes, and it records in the memory(S113).
Patent KR-20110009032-A (KR)
Title: Synthesis of iodixanol in water
Inventor: BREKKE GEIR
IPC: C07C231/12
Filed: 2010-07-20
Abstract: PURPOSE: A synthesis method of iodixanol is provided to ensure high purity and high yield of final products using environment-friendly low cost solvents and to enable mass production. CONSTITUTION: A synthesis method of 1,3-bis(acetamido)-N,N'-bis[3,5-bis(2,3-dihydroxypropylaminocarbonyl)-2,4,6-triiodophenyl]-2-hydroxypropane by dimerisation of 5-acetamido-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-isophthalamide, is carried out under the following conditions: (i) at a temperature range of about 10 to about 20deg.C; (ii) using water as solvent in a concentration of about 0.8 to about 3 ml solvent per g 5-acetamido-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-isophthalamide; (iii) in the presence of about 0.2 to about 0.4 mole equivalents of epichlorohydrin relative to 5-acetamido-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-isophthalamide; and (iv) wherein the reaction solution has a pH value of about 11.5 to about 13.0.
Patent KR-20120009127-A (KR)
Title: 공작기계의 수평 및 수직 겸용 스핀들헤드
Inventor: KIM HONG JO
IPC: B23C1/10
Filed: 2010-07-22
Abstract: 본 발명은 공작기계의 수평 및 수직 겸용 스핀들헤드에 관한 것으로, 더욱 상세하게는 수평 및 수직방향의 가공과 더불어 수평스핀들을 수평선상으로 회전시킬 수 있어 가공작업이 매우 신속하고 용이하게 이루어지는 공작기계의 수평 및 수직 겸용 스핀들헤드에 관한 것이다. 
본 발명은 공작기계에 설치되며 공구를 회전 가능하게 지지하는 스핀들헤드에 있어서,  스핀들모터(20)와; 상기 스핀들모터(20)에 다수의 기어로 연결되어 회전되고 단부에 공구가 고정되는 수직스핀들(25)과; 상기 수직스핀들(25)에 기어연결되어 수직스핀들(25)에 연동하여 회전되고 단부에 공구가 고정되는 수평스핀들(30)과; 상기 수평스핀들(30)이 설치되고, 상기 수직스핀들(25)이 설치된 본체(10)의 하측에 커빅커플링(35)으로 연결되어 클램핑수단에 의한 언클램핑시 상기 수평스핀들(30)을 수평회전시키는 수평회전부(40)로 이루어지는 것을 특징으로 한다.
Patent KR-20120013779-A (KR)
Title: Heats rays structure body generating system for 3d tv and metod of heats rays structure body for 3d tv
Inventor: BANG SEO YEON
IPC: H05B3/84
Filed: 2010-08-06
Abstract: PURPOSE: A heating wire structure creating system and a manufacturing method thereof are provided to optimize humidity of the inner side of a 3D TV by directly attaching a heating wire structure on an aluminum plate of 3D TV backside. CONSTITUTION: A transmitting device(100) transmits an inputted selection signal to a manufacturing device system(200). The manufacturing device system comprises a manufacturing device(210), a drawing part(230), and a flatbed plotter(250). The manufacturing device creates a heating wire structure by drawing a heating wire for designing a resister circuit. The drawing part draws a film which is located on the flatbed plotter by the control according to a selection signal of the manufacturing device. The flatbed plotter draws the film according to the coupling of the drawing part and the manufacturing device which receives the selection signal.
Patent KR-20120015115-A (KR)
Title: Oil pump
Inventor: MOON SUN JOO
IPC: F04C29/00
Filed: 2010-08-11
Abstract: PURPOSE: An oil pump is provided to reduce torque of an oil pump and increase fuel efficiency by installing double springs compressed in order according to range of rising hydraulic pressure. CONSTITUTION: An oil pump comprises a body(110), an outer rotor(120), a pumping unit(140), a first supporting spring(130a), a pair of supporters(124), a second supporting spring(130b), an oil valve chamber, and a relief valve. The body has a suction line sucking oil from an oil fan and a supply line. The outer rotor is installed in the inner surface of the body and has a rotary chamber. The pumping unit is installed in the rotary chamber of the outer rotor and pumps oil to the supply line by rotating according to driving of a driving shaft. The first supporting spring supports the outer rotor. The supporters are formed inside the body. The oil valve chamber applies pressure of the oil supplied from the outside to the outer rotor and changes location of the outer rotor. The relief valve supplies the oil to the oil valve chamber from the outer rotor corresponding to RPM of an engine.
Patent KR-20120015628-A (KR)
Title: Golf putter
Inventor: RYU SUK HO
IPC: A63B53/04
Filed: 2010-08-12
Abstract: PURPOSE: A golf putter is provided to enable users to improve the capability of reading a putting line and their own exercise ability, and to correct the putting posture. CONSTITUTION: A golf putter includes a head(100), a shaft, and a plate(200). The head includes a hitting surface with a sweet spot. The shaft combines with a combining hole formed on the upper side of the head, and includes a gripping unit on the end of the shaft. The plate is extended from both edges of a heel of the head. The vibration generated from the hitting surface when a user hits a golf ball is transferred to the plate, and the plate generates the sound for users to confirm the hitting location.
Patent KR-20120017700-A (KR)
Title: Electrode device for eletrolytic polishing
Inventor: MOON YOUNG SUCK
IPC: C25C7/00
Filed: 2010-08-19
Abstract: PURPOSE: An electrode rod for electro-polishing is provided to make a clean welding part by sweeping out a weld part with a carbon brush. CONSTITUTION: An electrode rod for electro-polishing comprises a main body(10) and a carbon brush(20) of copper material. The main body is fixed and coupled in the torch. The main body is formed into the cylindrical shape. The main body has a mounting groove(11), and a spiral joining portion(12) on top and bottom sides. The carbon brush is composed of a plurality of carbon fiber strands. The upper end of the carbon brush is inserted in the mounting groove of the main body. The circumference of the main body is compressed to insert the carbon brush the mounting groove.
Patent KR-20120019670-A (KR)
Title: Shutter module for camera
Inventor: KWON YOUNG MAN
IPC: G03B7/091
Filed: 2010-08-26
Abstract: PURPOSE: A camera shutter module which can prevent the diffraction generation in spite of light quantity change is provided to control a quantity of light while maintaining MTF performance. CONSTITUTION: A camera shutter module comprises a base substrate(500), a cover(100), a shutter blade(200) and a liquid crystal module(300). A first opening is formed in the base substrate. The light passes through the first opening. The cover includes a second opening. The second opening is corresponded to the first opening. The shutter blade is installed between the cover and the base substrate and controls the quantity of light flowing in the first opening.
Patent KR-20120026372-A (KR)
Title: Refrigerator
Inventor: YOO MYUNG KEUN
IPC: F25D17/06
Filed: 2010-09-09
Abstract: PURPOSE: A refrigerator is provided to secure the stability of an element by placing a capacitor performing charging or discharging to maintain a steady potential difference between a DC voltage supply unit and a side of a lower arm switching element. CONSTITUTION: A refrigerator comprises a condenser, a fan module, and an electric motor driving device. The condenser condenses refrigerant. The fan module is mounted in a side of the condenser. The electric motor driving device drives the fan motor inside of the fan module. The electric motor driving device comprises a DC voltage supply unit, an inverter(420), and a capacitor. The inverter converts an input direct current into a constant alternating current by performing a switching operation according to inverter switching control signals, thereby outputting the alternating current to the fan motor inside of the fan module. The capacitor performs charging or discharging to maintain a steady potential difference between the DC voltage supply unit and a side of the lower arm switching element.
Patent KR-20120027566-A (KR)
Title: Apparatus for manufacturing roll type wet tissue
Inventor: KIM HYEUNG MIN
IPC: B65H18/08
Filed: 2010-09-13
Abstract: PURPOSE: A roll type water-tissue manufacturing device is provided to produce a roll type water-tissue without a package using first and second conveyors. CONSTITUTION: A roll type water-tissue manufacturing device comprises the following: plural guiding rollers(100) guiding a water-tissue cloth(11) un-winded from a rolled fabric(10); a water spraying unit(200) spraying water to the water-tissue cloth; a cutting unit(300) cutting the wet water-tissue cloth into the constant size; a rolling unit(400) rolling the cut water-tissue cloth into a roll in a cylindrical form; a first conveyor(500) transferring the obtained roll type water-tissue(12) falling from the rolling unit to the longitudinal direction of the tissue; a packaging unit(600) separately packaging the tissue with a vinyl layer; and a second conveyor(700) selectively transferring the roll type water-tissue to the direction crossing the longitudinal direction of the tissue.
Patent KR-20120028178-A (KR)
Title: Wireless router-cum-mouse
Inventor: KIM TAE HEE
IPC: H04W88/08
Filed: 2010-09-14
Abstract: PURPOSE: A wireless router integrated mouse is provided to perform a router function and a mouse function having a wireless mouse inside a wireless router. CONSTITUTION: A mouse signal detecting unit(200) generates a mouse signal according to operation of a main body. A first signal communication unit(210) communicates with outside through a first signal. A second signal communication unit(220) communicates with outside through a second signal. A first signal converting unit(230) converts a second signal which receives the second signal communication unit into the first signal. A second signal converting unit(240) converts the first signal which the first signal communication unit receives into the second signal.
Patent KR-20120033533-A (KR)
Inventor: KIM IL BUM
IPC: E02F3/413
Filed: 2010-09-30
Abstract: 본 발명은 그래플에 관한 것으로서, 붐에 결합되는 벌크캡과, 상기 벌크캡에 회전가능하게 결합되는 한편 일측에는 아암이 회전가능하게 결합되어 있는 바디를 포함하는 그래플에 있어서, 상기 벌크캡과 바디 사이의 결합부위에는 벌크캡 또는 바디 측으로 탄력 지지된 볼이 설치된 것을 특징으로 하여, 볼의 접촉력에 의해 바디의 임의적인 회전을 방지할 수 있는 효과가 있다.
Patent KR-20120033680-A (KR)
Title: Apparatus for variably disconnecting current flowing line in battery system and method thereof
Inventor: KANG JUNG SOO
IPC: G06F11/30
Filed: 2010-09-30
Abstract: PURPOSE: A variable disconnecting device is provided to disconnect-control the physical connection of battery units variably, thereby converting to the stable state of low capacity and low voltage. CONSTITUTION: A variable disconnecting device comprises: a switch installed in connection wire of battery assembly units, electrically connecting and disconnecting the wire; a switch control module applying of/off signals on the switch, and a disconnecting control module changing the location, number, and gap of the switch by controlling the switch control module according to the detected danger level.
Patent KR-20120038038-A (KR)
Title: Method for preparing natural oil-derived biopolyol and polyurethanes made therefrom
Inventor: KWON KUN HO
IPC: C08G101/00
Filed: 2010-10-12
Abstract: PURPOSE: A manufacturing method of biopolyol is provided to embody environment-friendly properties, and to improve functional group, reactivity, storage stability, viscosity properties, and polyurethane, thereby suitable as raw material of polyurethane. CONSTITUTION: A manufacturing method of biopolyol comprises a step of exchange-reacting natural oils and a multifunctional active hydrogen containing compound under the presence of a catalyst; a step of addition-reacting alkylene oxide to the product of the exchange-reaction; and additionally a step of removing the catalyst from the product of the addition-reaction of the alkylene oxide compound. On the basis of the total weight of the biopolyol manufacturing reactant, at least 20 weight% of the oxide alkylene is addition-reacted.
Patent KR-20110041426-A (KR)
Title: Apparatus, method and non-transitory storage medium for channel aggregation and guard channel indication for visible light communication
Inventor: RAJAGOPAL SRIDHAR
IPC: H04B10/10
Filed: 2010-10-15
Abstract: PURPOSE: A channel combining/protecting channel display device, method thereof, and non-temporary storage medium through visible light communication are provided to accept light resources on a plurality of frequency bands while transmitting VLC. CONSTITUTION: A transmitter(310) transmits a visible light communications signal. A controller(305) generates a combination bitmap. The controller includes the combination bitmap to a CIE(Capability Information Exchange) signal which is transmitted to a second apparatus. The combination bitmap indicates whether a first transmitter uses one band which includes a plurality of activity frequency bands.
Patent KR-20120039243-A (KR)
Title: Backlight module
Inventor: WENG WEI SHENG
IPC: G02F1/13357
Filed: 2010-10-15
Abstract: PURPOSE: A backlight module is provided to eliminate a need of installing a circuit board and a reflective sheet of a light emitting unit in a metal supporter, thereby simply performing an assembling process. CONSTITUTION: A first sub reflective part(61) and a sub reflective device(6) are installed in an installation frame. A plurality of light emitting units are inserted into the first sub reflective part. The sub reflective device is made of plastic materials. The sub reflective device has a second sub reflective part. The second sub reflective part has a second subs reflective surface contacting an area adjacent to a light incident surface.