baber/WOPTO huggingface dataset:
Patent KR-20010023345-A (KR)
IPC: C08F4/6592
Filed: 1998-08-19
Abstract: A catalyst composition suitable for the (co)polymerization of alk-1-enes is obtainable by mixing a metallocene complex with a C3-C20-alk-1-ene in an inert solvent, reacting the resulting mixture in a controlled manner with a compound capable of forming metallocenium ions and diluting the resulting mixture with an inert nonpolar, essentially aliphatic solvent, and also, if desired, applying the catalyst composition to a particulate support material.
Patent KR-20010024031-A (KR)
IPC: C07D491/147
Filed: 1998-09-17
Abstract: 본 발명은 (-)-(S)-N-(α-에틸벤질)-3-히드록시-2-페닐퀴놀린-4-카르복스아미드를 비롯한 제약학적으로 활성인 퀴놀린 화합물의 제조에 있어서의 신규 중간체 및 상기 화합물의 제조 방법에 관한 것이다.
Patent KR-20010032228-A (KR)
IPC: H01M4/38
Filed: 1999-09-17
Abstract: An electrode material for an anode of a rechargeable lithium battery, containing a particulate comprising an amorphous Sn·A·X alloy with a substantially non-stoichiometric ratio composition. In formula Sn·A·X, A indicates at least one element selected from a group of transition metal elements Cr, Mn, Fe, Co, Ni, Cu, Mo, Tc, Ru, Rh, Pd, Ag, Ir, Pt, Au, Ti, V, Y, Sc, Zr, Nb, Hf, Ta, and W, X indicates at least one element of O or F and optionally at least one element selected from a group consisting of N, Li, S, Pb, Bi, Al, Ga, In, Tl, Zn, Be, Mg, Ca, Sr, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, B, C, Si, P, Ge, As, Se, Sb, and Te. The content of the constituent element Sn of said Sn·A·X alloy is Sn/(Sn + A + X) = 20 to 80 atomic%.%, the amount of the elements O and F in said alloy does not exceed 5 % per weight each, but at least 0.05 % weight of the elements 0 or F is present, and any O or F is predominantly located at the surface of said alloy particulate.  An electrode structural body for a rechargeable lithium battery, comprising said electrode material for an anode and a collector comprising a material incapable of being alloyed with lithium in electrochemical reaction, and a rechargeable lithium battery having an anode comprising said electrode structural body.
Patent KR-20010032337-A (KR)
IPC: H04N7/30
Filed: 1999-09-20
Abstract: 디지털 영상신호를 소정의 방법으로 압축하고, 그것을 별도의 압축방법의 영상신호로 변환할 때 변환후의 영상신호의 부호량이 전송로의 용량을 넘는 일이 있다. 따라서 입력디지털 영상신호를 이산코사인 변환하고, 이산코사인 변환된 디지털 영상신호의 교류성분에 제 1 및 제 2 가변길이 부호화를 적용하여 얻어지는 양부호량이 소정의 부호량으로부터 제 1 및 제 2 부가정보의 정보량이 큰 쪽의 값인 최대부가 정보량과, 이산코사인 변환된 입력디지털 영상신호의 직류성분을 차분예측 부호화한 양과 상기 직류성분을 고정길이로 한 경우의 고정부호량의 큰 쪽인 최대직류 부호량을 차분한 차분부호량 이하가 되는 양자화기를 선택하고, 그 선택된 양자화기로 이산코사인 변환된 디지털 영상신호의 교류성분을 양자화하고, 직류성분 및 제 1 부가정보를 부가하여 제 1 비트스트림을 작성한다.
Patent KR-20010041778-A (KR)
Title: 3차원 촬상 시스템
IPC: G02B27/22
Filed: 1999-03-05
Abstract: 회절 그레이팅(4)의 2차 함수 왜곡에 의해 생긴 비제로 회절 차수 이미지의 디포커싱을 이용하는 3차원 촬상 장치에 대해 설명된다.  그레이팅(4)으로부터 상이한 거리에 위치된 오브젝트(5,6,7)가 동시에 촬상되고 단일 면(B) 상에서 공간적으로 분리되도록 광학 시스템(1)이 사용된다.
Patent KR-20010092252-A (KR)
Title: 네트워크 제어 시스템과 이 네트워크 제어 시스템에이용되는 콘트롤러, 타겟 및 소비자
IPC: H04L29/06
Filed: 2000-01-21
Abstract: 대용량 데이터를 효율좋고 신속하게 또한 확실하게 전송함과 동시에 타겟이 무엇을 송신한 것인지를 용이하게 콘트롤러가 판단할 수 있는 네트워크 제어 시스템 및 이러한 네트워크 제어 시스템용의 콘트롤러 및 타겟이다. 
     이 네트워크 제어 시스템에 있어서, 메시지를 송신하는 콘트롤러, 수신한 메시지에 따른 처리를 실행하는 타겟, 콘트롤러와 타겟 사이에서 데이터 전송을 실행하는 커넥션을 확립하는 개시자를 구비하고, 또한, 데이터 전송을 여러개의 프로토콜을 이용해서 실행하는 네트워크 제어 시스템으로서, 기기내에는 콘트롤러와 타겟 중의 어느 한쪽 또는 쌍방이 존재하고 있고, 타겟은 여러개의 프로토콜중의 한쪽에서 있는 제 1 프로토콜에 의해 수신한 메시지에 따라서, 다른쪽인 제 2 프로토콜에 의해 커넥션상으로 데이터를 송신 가능하게 하도록 구성했다.
Patent KR-20010034678-A (KR)
IPC: A61K31/16
Filed: 1999-03-26
Abstract: The present invention relates to a pharmaceutical composition for the treatment of alcohol and drug dependence comprising a therapeutically effective amount of a combination of : (i) an opioid antagonist; and (ii) a NMDA receptor complex modulator, and a pharmaceutical kit comprising : (i) an opioid antagonist ; and (ii) a NMDA receptor complex modulator.
Patent KR-20010074493-A (KR)
IPC: C07K14/16
Filed: 1999-05-21
Abstract: A retroviral delivery system capable of transducing a target site is described. The retroviral delivery system comprises a first nucleotide sequence coding for at least a pan of an envelope protein; and one or more other nucleotide sequences derivable from a retrovirus that ensure transduction of the target site by the retroviral delivery system; wherein the first nucleotide sequence is heterologous with respect to at least one of the other nucleotide sequences; and wherein the first nucleotide sequence codes for at least a part of a rabies G protein or a mutant, variant, derivative or fragment thereof that is capable or recognising the target site.
Patent KR-20010071201-A (KR)
IPC: E03C1/298
Filed: 1998-12-30
Abstract: A waterless urinal (1) is provided with a pot (17) in which urine (35) accumulates. A float (33) floats on the urine (35) and is pressed upwardly by the buoyancy thereof against an opening (31) in the cover (29) of the pot (17). As soon as a pre-determinable column of urine rises above the float (33), the float (33) is pressed downwardly, and the urine (35) can flow out. In a preferred embodiment, the float (33) can be pulled downwardly by an electromagnet, in order to sporadically empty the urine (35), which has accumulated above the float (33) and the cover (29).
Patent KR-20010043582-A (KR)
Title: 기록 액세스시에 위치와 키를 무작위화하여 저장매체 상에복제 방지를 하는 방법 및 장치
IPC: G11B20/12
Filed: 2000-03-14
Abstract: 저장매체 상에 복제 방지 서비스를 제공하기 위한 방법에 있어서, 바람직하게는 복수의 블록으로 배치된 데이터가 저장되는 위치는 (바람직하게는 내장된) 제어기에 의해 무작위 기준으로 선택된다. 저장매체 상의 데이터의 위치에 결정적으로 의존하는 암호화 키를 사용함으로써, 복제된 데이터의 암호해제가 사실상 불가능하게 된다.
Patent KR-20010052687-A (KR)
Title: 디스크 플레이어
IPC: G11B17/051
Filed: 2000-04-10
Abstract: 본 발명은 구동 전환 기구(7)에 의해 전동처를 전환함으로써, 양방향으로 회전이 가능한 단일 회전 구동원(모터 1, 기어열 2)에 의해 롤러(9)가 접속되는 디스크 이송 수단(디스크 기어열 3)과 픽업(5) 이송 수단(픽업 기어열 6)을 구동하고 있다. 
     구동 전환 기구(7)는 회전 구동원인 전동 기어(18)와 동일한 축심 위치를 중심으로 하여 요동 가능하게 설치된 요동체(11)와, 요동체(11)의 선단 측에 설치되어 전동 기어(18)에 전동 연결되는 전환 기어(12)와, 디스크 이송 수단 또는 픽업 이송 수단의 동작 중에 요동체의 요동을 저지하는 요동 저지 수단과, 요동체(11)가 요동 궤적의 중도부에 위치하는 기간에 전환 기어(12)에 결합하여 요동체의 요동을 보조하는 중개 부재(17)를 포함하고 있다. 
     또한, 전환 기어를 요동체의 요동 궤적의 일단 측에서 디스크 이송 수단에 전동 연결시키고, 타단 측에서 픽업 이송 수단에 전동 연결시킨다.
Patent KR-20010052891-A (KR)
Title: 아세틸콜린 수치를 상승시키는 방법
IPC: A61K31/4535
Filed: 1999-06-04
Abstract: 본 발명은 하기 화학식 I의 화합물 유효량 및 임의로 AChE 억제제를 아세틸콜린 수치의 상승을 요하는 포유동물에게 투여하는 것을 포함하는, 포유동물에서 아세틸콜린 수치를 상승시키는 방법에 관한 것이다. 
     ＜화학식 I＞
Patent KR-20010076300-A (KR)
Title: Integrated circuit with several partial circuits
Inventor: ACHARYA PRAMOD
IPC: G11C5/14
Filed: 2001-01-17
Abstract: PURPOSE: An integrated circuit containing a number of subcircuits is provided to set the respective reference values of the subcircuits that is relatively short. CONSTITUTION: A driver/control circuit(1) of in each case a number of subcircuits(T1, T2 and Tn) of an integrated circuit. Each of the subcircuits(T1, T2 and Tn) contains the driver circuit(1) for driving in each case at least one controllable voltage source(9). The driver circuit(1) of the subcircuit(T1) is here used for driving the controllable voltage source(9.) The driver circuit(1) has a memory unit(2) for storing a reference value(20). The integrated circuit contains a signal line(4) for transmitting at least one signal, which is connected to each of the driver circuits(1) via the terminals(3).
Patent KR-20020061753-A (KR)
Title: Area lamp apparatus
Inventor: KIM DAE IL
IPC: G02F1/13357
Filed: 2001-01-17
Abstract: PURPOSE: A surface light source device is provided to expand the area of a fluorescent layer by forming a plurality of grooves in the shape of channel on a glass substrate, thereby realizing the high luminance and the high efficiency. CONSTITUTION: A surface light source device includes a transparent front substrate(1), a rear substrate(3) joined with the front substrate for forming at least one rectangular channel type groove(7), fluorescent substance(8) doped at least a part of facing faces of the front and rear substrates, electrode parts(5) for applying a voltage to both side surfaces of joining elements(2) of the front and rear substrates, the side surfaces being perpendicular to the longitudinal direction of the channel, and inert gas injected into the channel area.
Patent KR-20020064856-A (KR)
Inventor: KIM HWI HWA
IPC: A45D40/00
Filed: 2001-02-03
Abstract: PURPOSE: A cosmetics container for wrinkle free massage is provided to restore or reinforce facial skin by virtue of the repetitive vibration and rotation actions of a half moon shaped cap as well as certain extracts beneficial to the facial skin discharged from the cap. CONSTITUTION: The cosmetic container for wrinkle free massage comprises a half moon shaped rotating cap(2) installed to be projected out of the container according to the operation of a pushing button(4) and a motor(3). The massage cream received in the container is discharged from a discharge hole(1) through a pipe(6) according to the falling of a compressive plate(8) caused by the manipulation of a button(7). The cap is made of materials beneficial to the facial skin, for example, germanium, mud, gem, ceramic, and so on.
Patent KR-20010082073-A (KR)
Title: Bandgap voltage comparator used as a low voltage detection circuit
Inventor: EAGAR LAYTON
IPC: G05F3/30
Filed: 2001-02-08
Abstract: PURPOSE: A band gap comparator low voltage detection system is provided to overcomes deficiencies of existing technologies by providing an improved band gap voltage comparator which may be utilized with other circuits in integrated circuit devices as a low voltage detection circuit. CONSTITUTION: The band gap comparator low voltage detection system includes a resistor programming block(210), a band gap comparator(212), a buffer(214), a one-shot delay(216), and a Schmitt trigger with output enable(218). In the system, there are features that operation at one volt and above by a band gap voltage comparator, low current operation, and power-up and power-down trip points can be set independently.
Patent KR-20010085367-A (KR)
Inventor: FUJIOKA SHINYA
IPC: G11C29/00
Filed: 2001-02-12
Abstract: PURPOSE: To reduce power consumption in the operation of a redundant circuit more than conventional one in a semiconductor integrated circuit having a redundant circuit relieving a memory cell. CONSTITUTION: This circuit is provided with a memory cell block, a first decoder 16, and a second decoder 18. The memory cell block has plural memory cell strings in which memory cells are arranged in the one direction and a redundant memory cell string for relieving defects of these memory cell strings. The first decoder 16 selects any of memory cell blocks, the second decoder 18 selects any of memory cell strings in the memory cell block. Operation of the second decoder 18 being not used for decoding of the redundant memory cell string is stopped at the time of operation of the redundant memory cell string. As a needless circuit is not operated, power consumption can be reduced at the time of operation of the redundant memory cell string.
Patent KR-20020066534-A (KR)
Title: Automobile wiper
Inventor: PARK JAE HYEONG
IPC: B60S1/04
Filed: 2001-02-12
Abstract: PURPOSE: A wiper for a vehicle is provided to reduce the failure rate of the wiper by improving working efficiency, and to cut down expenses and to increase productivity by simplifying the working process. CONSTITUTION: A wiper of a vehicle(20) is composed of a retainer(30) combined with a wiper blade; an arm head(40) having a hinge part(42) formed in the end, and connecting to the retainer to turn around a hinge pin; a coil spring(50) fitted to the end of the retainer to contact the retainer to the windshield glass of the vehicle elastically; and a coil spring holder(60) connected to the end of the coil spring and the arm head. The retainer is connected to the wiper blade, and directly connected to the arm head. Working efficiency is improved with reducing parts of the wiper, and failure rate is minimized. Expenses are reduced with improving productivity by simplifying working process.
Patent KR-20010074084-A (KR)
Title: a prison monitor
Inventor: NAM SEUNG WOO
IPC: H05K9/00
Filed: 2001-02-13
Abstract: PURPOSE: A monitor is provided, in which jade material is added to the outer surface of the monitor cover, to thereby protect user's body from electromagnetic wave. CONSTITUTION: A monitor cover(1) is injection molded from a synthetic resin where jade powder of 0.1 to 10 weight% is added. Alternatively, the monitor cover which is injection molded is painted with the material containing jade powder added by 1 to 20 weight% to the total amount of paint material. The jade material contained in the monitor cover serves to absorb electromagnetic wave produced from the monitor, radiate far infrared ray and anion which are beneficial to human body, and purify indoor air during use of the monitor.
Patent KR-20020068170-A (KR)
Title: Computer system and osd controlling methode therof
Inventor: KO GYEONG PIL
IPC: G06F3/0489
Filed: 2001-02-20
Abstract: PURPOSE: A computer system and an OSD displaying method are provided to automatically set a language used for OSD being identical to the language used for an operating system. CONSTITUTION: A computer system includes a language information providing unit, an OSD generator(34), a memory(36), and an OSD controller(32). The language information providing unit(22) is set in a computer main body(20) and provides information about the kind of a language used for a computer operating system to a display(15) of the computer system. The OSD generator is set in the display and generates OSD for setting display conditions of the display. The memory is placed in the display and stores terms used for the OSD as a plurality of languages. The OSD controller controls the OSD generator to generate the OSD in terms according to the same language as the language used for the operating system based on the information about the kind of the language received from the language information providing unit.
Patent KR-20020068421-A (KR)
Title: Sense Amplifier Driver and semiconductor memory device having the same
Inventor: SIM JAE YUN
IPC: G11C7/06
Filed: 2001-02-21
Abstract: PURPOSE: A sense amp driver and a semiconductor memory device of the same are provided to improve a driving capacity of a sense amp by laying out an over driver outside a conjunction region of a memory cell array. CONSTITUTION: A voltage generating circuit(30) generates a first power supply voltage and outputs the first power supply voltage to a first node. A first driver(P17) transports a second power supply voltage to the first node in response to a first control signal. The first driver(P17) transports the second power supply voltage to a power supply node at a first time point and the voltage generating circuit(30) transports the first power supply voltage to the power supply node at a second time point. A second driver(P15) transports the voltage of the first node to the power supply node in response to a first sensing enable signal. A third driver(N15) transports a grounding voltage to a grounding node in response to a second sensing enable signal.
Patent KR-20020072148-A (KR)
Title: A manufacture method of human work snow
Inventor: CHO MI KANG
IPC: C09K3/24
Filed: 2001-03-09
Abstract: PURPOSE: Provided is a method for preparing the artificial snow which can be used for a long time, has toughness similar to that of natural snow and can be reused by the control of moisture. CONSTITUTION: The method comprises the steps of injecting 92-98 wt% of cold water and 4-8 wt% of a highly absorptive polymer into a container and stirring the mixture to allow the polymer to absorb the water and to be swollen to the volume of 10-50 times, thereby preparing white artificial snow. Preferably the water comprises further an additive comprising 25 wt% of a vegetable oil, 25 wt% of wax and 50 wt% of glycerin for increasing the slipping property and reinforcing the loading strength of the ski to the polymer by coating the surface of the polymer. The color of the artificial snow can be controlled by adding a natural dye to the water.
Patent KR-20010092694-A (KR)
Title: Method for operating an automatic gearbox and the device of the same
Inventor: ECKERT MARTIN
IPC: F16H61/00
Filed: 2001-03-20
Abstract: PURPOSE: A method and an apparatus for controlling a vehicle with a gear-shift transmission are provided to recognize the gear parameters of different gears and the continuous distribution of position data of respective shift gears of a gear series, thereby realizing the equal and pleasant gear shifting. CONSTITUTION: An apparatus for controlling a vehicle with a gear-shift transmission includes at least an actuator on a power train of a gear box for selecting a shiftable gear stage and carrying out the gear-shifting, and a control unit coupled with the actuator, wherein gear parameters required for the selection and performance of gear are detected and stored in the control unit before the shift gear is inserted into a vehicle. The gear parameters include the position data of the internal shifting elements of the gear box.
Patent KR-20020078102-A (KR)
Inventor: KIM EUN SUK
IPC: G10L15/22
Filed: 2001-04-04
Abstract: PURPOSE: A voice recognition system is provided to allow a thing that received the voice of a user to recognize the voice to generate a sound, thereby easily finding the thing. CONSTITUTION: A voice recognition system includes a voice signal receiver(10) for receiving the voice of a user, a voice signal amplifier(20) for amplifying the received voice to a predetermined level, an A/D converter(30) for converting the analog voice signal amplified by the amplifier into a digital signal, and a microcomputer(50) for analyzing the digital signal according to a program stored in ROM(40) to perform a corresponding control operation. The system further includes a power supply(60) for supplying operation power to the microcomputer, a speaker driver(70) for controlling a speaker(SP) to generate a specific sound under the control of the microcomputer, and a switch driver(80) for driving an on/off switch(90) of a home electronic appliance to operate the appliance or stop the operation of the appliance. The system also has a data output unit(100) for dialing a call data signal under the control of the microcomputer, and a telephone line connector(110) for outputting the dialing call data output from the data output unit to a security system(120) through a telephone line.
Patent KR-20020078185-A (KR)
Title: Air Duct Assembling and Unassembling for Helmet Thereof Assembling and Unassembling Method
Inventor: CHOI GWANG MUN
IPC: A42B3/28
Filed: 2001-04-06
Abstract: PURPOSE: An assembling and separating method for an air inlet member of a helmet is provided to allow a user to easily clean the air inlet member anytime and anywhere by separating it from the helmet in an one-touch assembly and disassembly manner. CONSTITUTION: A helmet casing comprises an air inlet member(11) formed with a front air inlet hole(12), a guide hole(14) adjacent to the air inlet hole and fastening holes(13a,13b). A cover(20) for the inlet member has a guide rod(23) to be overlapped on the air inlet member so as to be inserted into the guide hole thereof, an air ventilation hole(22), and a hook(24a) and a key(24b) to be inserted into the fastening holes respectively. A filter bracket(30) is interposed between the air inlet member and the cover. The filter bracket has an elongate hole(33) for the penetrating of the guide rod, and small holes(31) arranged around the elongate hole.
Patent KR-20020082239-A (KR)
Inventor: KIM HYUN SOO
IPC: A61K35/30
Filed: 2001-04-19
Abstract: PURPOSE: Provided is a method for differentiating a mesenchymal stem cell into neural cells by culturing the mesenchymal stem cell in a medium containing epidermal growth factor(EGF) and hepatocyte growth factor(HGF). The neural cells are used for cell replacement therapy and drug development. CONSTITUTION: The method for differentiating a mesenchymal stem cell into neural cells is characterized by culturing the mesenchymal stem cell in a medium containing 5-50 ng/ml of epidermal growth factor and 10-100 ng/ml of hepatocyte growth factor for 4-8 weeks, wherein the mesenchymal stem cell is obtained from human bone marrow and the neural cell includes neuron or astrocyte. A composition for neurodegenerative disease comprises the neural cell as an active ingredient, wherein the neurodegenerative disease includes pick's disease, Huntington's disease, amyotrophic lateral sclerosis, stroke and etc.
Patent KR-20020023098-A (KR)
Title: The electronic settlement system, electronic settlement method and cash paying method using lcd barcode displayed on mobile terminal
Inventor: EOM DU SEOP
IPC: G06Q20/04
Filed: 2001-04-23
Abstract: PURPOSE: An electronic payment system using LCD barcode of mobile terminal, a method thereof and a method for paying cash are provided to remove the inconvenience of possessing and the risk of missing by displaying a barcode capable of discriminating a user on an LCD window of mobile terminal. CONSTITUTION: The system comprises a mobile terminal(100) executing the function of affiliating, receiving and storing an LCD barcode through the wireless Internet, and displaying the LCD barcode, a computer(200) for registering as a member through the Internet, a bank server system(300) generating each LCD barcode for a new member, confirming an approval for cash payment and the authenticating result by a request, a barcode scanner(600) recognizing the LCD barcode of mobile terminal, a store client system(400) requesting an authentication and price payment to the bank server system by receiving the barcode information, the payment amount and a member password, and processing the price payment and outputting a slip by the authentication and the approval of price payment, and a cash payment client system(500) processing the cash payment by receiving the confirmation of authentication and cash payment approval.
Patent KR-20020083865-A (KR)
Title: A hair pin
Inventor: CHO KYU SAM
IPC: A45D8/02
Filed: 2001-04-30
Abstract: PURPOSE: A hair pin is provided to facilitate the circulation of blood and metabolism of a user by emitting far infrared rays and magnetic force into the hair. CONSTITUTION: The hair pin comprises a body(1), a rotatable clip(2) and a fixed pin(3) connected to the body, a bio-ceramic material(4) contained in the body or coated on the surface thereof, and a permanent magnet(6) inserted into a plurality of grooves(5) formed in the inner surface of the body, the bio-ceramic material and the permanent magnet serving to emit far-infrared rays and magnetic force.
Patent KR-20020006415-A (KR)
Title: Transport apparatus having multiple travelling motors
Inventor: KAMIDE SATOSHI
IPC: H02P5/00
Filed: 2001-05-18
Abstract: PURPOSE: To determine a running speed pattern by providing upper and lower running motors 16, 18 on a stacker crane 4 to output a predetermined torque by the motor on the side where load from an elevating base 8 is large. CONSTITUTION: The capacity of the running motor can be taken out to the maximum extent and the running motor can run at high acceleration and deceleration speed because the running motor on the high load side can be controlled so as to output the predetermined torque.
Patent KR-20020091351-A (KR)
Title: Light source device and liquid crystal display having the same
Inventor: LEE JEONG HWAN
IPC: H05B41/02
Filed: 2001-05-30
Abstract: PURPOSE: A light source device and a liquid crystal display device having the same are provided to separate electrode lines for supplying power, especially, a high voltage by a predetermined distance by coating with retraction tubes, thereby preventing the current leakage. CONSTITUTION: A light source device includes a light generating element for generating light, a power supply element for supplying power to the light generating element, a plurality of power supply lines(284a,284b,294a,294b) for electrically connecting the light generating element to the power supply element to supply the power to the light generating element, and leakage preventing elements(288,298) mounted to the plurality of power supply lines for preventing the leakage of power supplied to the light generating element, wherein the leakage preventing elements are coated to the power supply lines to separate the power supply lines from each other.