baber/WOPTO huggingface dataset:
Patent KR-20020012633-A (KR)
IPC: H01S3/225
Filed: 2000-06-29
Abstract: 본 발명은 향상된 에너지량 제어 및 재생력을 가지며, 약 500 내지 2000Hz의 범위에 있는 펄스율로 펄스를 만들 수 있는 초협대역 펄스 엑시머 레이저를 제공한다. 산소 및 무거운 불활성 가스(KrF 레이저를 위한 크세논 또는 라돈, 또는 ArF 레이저를 위한 크립톤, 크세논, 또는 라돈)로 이루어진 미소량의 안정화된 첨가제가 가스 혼합물에 첨가된다. 수행된 테스트는 약 30ppm의 크세논을 KrF 레이저에 첨가함으로써 에너지 안정도에서 본질적인 향상을 보여준다. 테스트는 약 6-10ppm의 Xe 또는 40ppm의 Kr을 첨가함으로써 ArF 레이저의 향상된 성능을 보여준다. 바람직한 실시예에서, 초협대역폭은 플루오르 부분압력을 0.10%로 줄이고, 출력커플러의 반사율을 25%보다 크게 증가시킴으로써 KrF 레이저상에서 이루어진다. 바람직한 실시예에서, 종래기술의 라인 협소화 모듈에서 사용된 종래기술의 용융된 실리카 빔 확산 프리즘은 플루오르화 칼슘 프리즘으로 대체된다(부재 번호가 없는 도면-명세서 참조).
Patent KR-20020027495-A (KR)
IPC: H04M3/56
Filed: 2001-05-10
Abstract: 절차는 간단한 방식으로 준비된다.  회의 관리 서버(11)는 예를 들면 스캐너 장치에 의해 생성되는 자료 데이터가 프로젝터 장치(15)에 출력되는 때를 나타내는 시간 정보를 준비하는 동안에, 프리젠테이션 데이터가 프로젝터 장치(15)에 출력되는 때를 나타내는 시간 정보를 준비하고, 회의에 관련된 회의 관리 정보를 준비하기 위한 절차 제어부(44); 프로젝터 장치(15)에 의해 제공되는 프리젠테이션 데이터, 절차 제어부(44)에서 생성된, 프리젠테이션 데이터가 제공되는 때를 나타내는 시간 정보, 스캐너 장치에 의해 생성된 자료 데이터, 자료 데이터가 제공되는 때를 나타내는 시간 정보, 및 회의 관리 정보를 저장하기 위한 데이터 저장부(45); 및 시간 정보에 따라 회의 관리 정보, 프리젠테이션 데이터, 및 자료 데이터를 배열하여 절차 데이터를 준비하기 위한 절차 준비부(49)를 구비하고 있다.
Patent KR-20020079781-A (KR)
Title: 매설 실드를 갖는 케이블 채널 필러 및 이를 포함하는케이블
IPC: H01B11/06
Filed: 2001-01-16
Abstract: 케이블 채널 필러 또는 스플라인(126) 및 상기 케이블 채널 필러 또는 스플라인을 그 코어 내에 포함하는 케이블(40)에 관한 것이다.  채널 필러는 종방향으로 연장되며, 비차폐 트위스티드 페어 케이블과 같은 와이어(42) 또는 케이블이 배치되며 코어의 일부를 형성하는 복수의 이격된 종방향 연장 개방 포켓(128, 130, 132, 134)을 구비한다.  포켓 내에 트위스티드 페어 케이블을 포함하는 코어는 피복된다.  채널 필러는 각각의 채널 필러 포켓 레그 내로 연장되는 매설 실드(136)를 가지며 단일 테이프로 적합하게 준비된다.  대안으로서, 두 개의 테이프가 실드에 사용되는 경우, 제 1 테이프는 3개의 실드 레그를 가지며 하나의 레그는 절첩 레그를 가지며, 제 2 테이프는 제 4 레그를 형성하며, 한 측부의 20 내지 50%, 또는 적어도 1.59mm(1/16in)가 제 1 실드 테이프 레그 중 하나의 절첩부에 의해 포위되어 있다.
Patent KR-20020075895-A (KR)
Title: Method for Producing 6-(4-Chlorophenyl)-2,2-Dimethyl-7-Phenyl-2,3-Dihydro-1H-Pyrrolizine-5-Yl Acetic Acid
IPC: A61P37/08
Filed: 2001-01-26
Abstract: The present invention relates to a process process for the preparation of the compound of the formula I  where the compound of the formula III  is reacted with oxalyl chloride and the product obtained is treated with hydrazine and an alkali metal hydroxide in the aqueous phase at elevated temperature, after treatment is complete a three-phase system is produced by addition of an ether and the compound of the formula I is obtained by acidifying the middle phase. The invention moreover relates to a polymorph of the compound of the formula I.
Patent KR-20020079957-A (KR)
Title: 터빈 버킷 커버의 기계가공 동안 버의 형성을 감소시키는방법
IPC: F01D5/22
Filed: 2001-12-07
Abstract: 터빈 조립체의 터빈 버킷 커버를 기계가공하는 동안 버(burr)의 형성을 감소시키는 방법은 터빈 조립체의 인접한 버킷 커버(22) 사이에 형성된 갭(44, 46)내에 충전재(48)를 삽입하는 단계와, 버킷 커버(22)에 대해 소방의 프로파일(58)을 형성하도록 버킷 커버(22)를 기계가공하는 단계와, 충전재(48)를 제거하는 단계를 포함한다.
Patent KR-20020084279-A (KR)
IPC: C07C29/78
Filed: 2001-03-23
Abstract: In a process for finishing neopentyl glycol by cooling, crystallizing and comminuting a neopentyl glycol melt and subsequent packing of the resulting neopentyl glycol particles in storage or transport containers, the melt is cooled at the commencement of cooling for at least 1/10 minutes without use of a coolant or with use of a coolant having a temperature in the range from 50 to 120° C. and the product is packed at a temperature below 30° C.
Patent KR-20020087494-A (KR)
Inventor: SAHAY NISHIT
IPC: C10G50/00
Filed: 2001-04-03
Abstract: 저분자량 올레핀(라인 102)을 우선 올리고머화하고 수소화된 올리고머(라인 105)가 기재되는, 가솔린 스톡의 제조 방법. 제 1 단계에서 단일 패스 고정층 비등점 반응기(10)에서 올리고머화를 수행한다. 이어서 올리고머(라인 105)를 증류 컬럼 반응기(20)에서 수소화한다.
Patent KR-20030005391-A (KR)
IPC: H01L21/76
Filed: 2001-04-16
Abstract: 반도체 기판(10)에서 트렌치(22)를 형성하는 단계와 상기 트렌치(22)에서 절연 물질을 형성하는 단계를 포함하는 방법이 개시된다. 상기 방법은 상기 트렌치(22)의 깊이와 상기 트렌치 절연 물질(24)의 두께 중 적어도 하나를 결정하는 단계와 상기 결정된 트렌치(22)의 깊이와 상기 결정된 절연 물질(24)의 두께 중 적어도 하나에 기초하여 상기 절연 물질(24)을 통해 수행될 이온 주입 공정에 대한 에너지 레벨을 결정하는 단계를 더 포함한다.
Patent KR-20040063390-A (KR)
Title: Plasma air cleaner having heating discharge electrode
Inventor: HONG YEONG GI
IPC: B03C3/40
Filed: 2003-01-07
Abstract: PURPOSE: A plasma air cleaner having a heating discharge electrode is provided to make high-density toxic gases cracked sufficiently and thus, to get rid of an offensive smell more effectively. CONSTITUTION: The plasma air cleaner having a heating discharge electrode includes: a pair of discharge electrodes(101) spaced out from each other by a designated distance, to which a high voltage is applied; a collector(102) for receiving a high voltage and at the same time being grounded; and an insulating plate(103) for preventing the occurrence of spark caused by an increase in the applied voltage. Preferably, the collector(102) is made of tungsten wire, so it is easily discharged even at a low voltage, and generates heat that is used for gas cracking.
Patent KR-20030011971-A (KR)
Inventor: KIM HUI SANG
IPC: G06Q99/00
Filed: 2003-01-15
Abstract: PURPOSE: A public reading statistics system is provided to automatically calculate the statistical data on the public reading of the documents stored in the repository for making a real time analysis of a usage status on each document by using an RF(Radio Frequency) ID tag so that it can efficiently manage the documents in the repository. CONSTITUTION: The system comprises an antenna(11), a reader(12), a control computer(13), a main frame(14), and a database(15). A user takes a book or a document from a public reading shelf, and reads the book or the document at a table. Then the user puts the book or the document on a book return shelf after finishing with the book or the document. The antenna(11) and the reader(12), installed at the book return shelf, automatically recognizes the RF ID tag attached on the book or the document, and read a unique identification number stored in the tag. The control computer(13) increases the reading number by one, and transmits a reading date and time with the recognized number to the main frame(14). The database(15) updates statistical data of the public reading on the book or the document based on the transmitted data.
Patent KR-20040066529-A (KR)
Title: Circuit for cutting-off spurious wave of primary if dielectric filter in digital tuner
Inventor: KIM HONG PIL
IPC: H03H7/01
Filed: 2003-01-20
Abstract: PURPOSE: A circuit for cutting-off spurious wave of primary if dielectric filter in digital tuner is provided to remove a spurious wave element of a high-order mode by reducing the length of a dielectric filter and inserting an inductor and a capacitor into an input terminal and an output terminal of the dielectric filter. CONSTITUTION: A spurious wave shielding circuit of a first IF dielectric filter of a digital tuner includes a dielectric filter, a first compensation circuit, and a second compensation circuit. The dielectric filter(110) has the length of 5 to 6mm. The first compensation circuit(120) is installed at a front end of the dielectric filter. The first compensation circuit is formed with a plurality of inductors and a plurality of capacitors. The second compensation circuit(130) is installed at a latter part of the dielectric filter. The second compensation circuit is formed with a plurality of inductors and a plurality of capacitors.
Patent KR-20040069411-A (KR)
Inventor: BAE SEONG MIN
IPC: B62D25/08
Filed: 2003-01-29
Abstract: PURPOSE: A front end module is provided to minimize the folding of legs at the clash with a passenger by protruding a leg folding prevention member in the lower part of a carrier. CONSTITUTION: A leg folding prevention member(100) is protruded lengthwise in a horizontal supporting member(12) to prevent the folding of legs at the clash with a passenger. The leg folding prevention member comprises a body portion(101) and a reinforcing portion(110). The body portion has the certain length and the certain width. The reinforcing portion reinforces the strength of the body portion. Thereby, the downward folding of the passenger's legs is minimized.
Patent KR-20040076334-A (KR)
Inventor: HAN YUN SU
IPC: H05B33/10
Filed: 2003-02-25
Abstract: PURPOSE: A method is provided to prevent deformation of a mask by minimizing thermal expansion of the mask and achieve improved efficiency by preventing shadow phenomenon during implementation of organic electroluminescence layer. CONSTITUTION: A method comprises a step of forming the first electrode of stripe type on a transparent substrate(20); the second step of forming an organic electroluminescence layer on the first electrode by using a multiple shadow mask; and the third step of forming the second electrode on the organic electroluminescence layer. The multiple shadow mask is constituted by a full color shadow mask(22) and an area shadow mask(24).
Patent KR-20040078031-A (KR)
Title: Button using Chip LED
Inventor: LEE JONG SOO
IPC: A44B1/08
Filed: 2003-03-03
Abstract: PURPOSE: A button with Chip LED is provided to make the light luminescence of various colors possible by applying Chip LED to the button used for clothes and to utilize or recycle the Chip LED satisfying a luminescent standard. CONSTITUTION: The button with Chip LED includes; a Chip LED(1); a battery(2) supplying power to the Chip LED(1); and a case fixing the Chip LED(1) and the battery(2); wherein the case is composed of a lower end support for containing the Chip LED(1) and the battery(2) within and a top end cover for covering the Chip LED(1).
Patent KR-20040079018-A (KR)
Inventor: HAN YUN SU
IPC: H05B33/04
Filed: 2003-03-06
Abstract: PURPOSE: A sealing cap is provided to maximize an adhesive strength between the adhesive and an adhesion substance of a sealing cap. CONSTITUTION: A sealing cap(10) to intercept elements formed at the surface of an object adhesive member from an outside is adhered to the object adhesive member. A plurality of through holes(H) are formed on an adhesive member. When the adhesive member presses an adhesive deposited at the object adhesive member, some part of the adhesive flows through each through holes to top surface of the object adhesive substance.
Patent KR-20040079146-A (KR)
Inventor: PARK BYEONG HO
IPC: C08K3/36
Filed: 2003-03-06
Abstract: PURPOSE: A tread rubber composition for the tire for a truck and bus is provided, to improve heat resistance, abrasion resistance and tear resistance without deterioration of other properties. CONSTITUTION: The tread rubber composition comprises 100 parts by weight of a rubber; 5-20 parts by weight of silica; and 1.0-5 parts by weight of a polybutadiene rubber adducted with maleic anhydride. Preferably the polybutadiene rubber adducted with maleic anhydride is obtained by adding a polybutadiene resin to maleic anhydride, and the polybutadiene resin has a number average molecular weight of 2,500-8,500 and contains 25-50 % of 1,2-vinyl part.
Patent KR-20040081508-A (KR)
Inventor: YOO HYEONG GEUN
IPC: G06F1/20
Filed: 2003-03-13
Abstract: PURPOSE: A cooling pipe is provided to concentratedly cool a part of a hot temperature, optimally use space, and prevent the cooling air heated by the hot part from heating other cool part. CONSTITUTION: An inlet(110) flows in the air and an outlet(120) flows out the air. A low pressure forming part(130) makes air flow fast by making a cross sectional area between the inlet and the outlet get smaller. A high temperature suction hole(140) sucks the air heated by a heat source by penetrating a low pressure forming part. A guide rib(150) is projected to smoothly suck the air around the high temperature suction hole.
Patent KR-20040081865-A (KR)
Inventor: BYUN SEONG HWAN
IPC: H01L21/31
Filed: 2003-03-17
Abstract: PURPOSE: A method for forming a fine pattern and a manufacturing method of a semiconductor device using the same are provided to overcome resolution limit and to obtain a fine photoresist pattern having CD(Critical Dimension) of 100§^ and below. CONSTITUTION: A mask layer is formed on a substrate(100) having an insulating layer(120). The first mask pattern with a space of the first size is formed by patterning the mask layer, wherein the first size is larger than a predetermined size(DL). The second mask pattern with a space of the second size smaller than the first size is formed by annealing the first mask pattern. A polymer layer is formed on the second mask pattern. The third mask pattern(146) with same space as the predetermined size is formed by reacting the second mask pattern to the polymer layer.
Patent KR-20040082232-A (KR)
Inventor: JANG KYU SEUNG
IPC: G06F12/16
Filed: 2003-03-18
Abstract: PURPOSE: A method for backup/recovery of a hard disk using a direct cluster access method, and a storing medium storing the same are provided to perform the backup in the hard disk without needing an external storage and prevent a general user from accessing the backup by storing the backup contents in the direct cluster access method not an image file. CONSTITUTION: A used size of the hard disk is calculated and a backup space corresponding to the size is set. From the back of the set backup space, the backup of an OS(Operating System), programs, and data is performed by using the direct cluster access method. A protection wall is installed between the backup area and the used area by calculating the backup area and the used area. Using the backup information, the hard disk is recovered by overwriting the used area in the direct cluster access method.
Patent KR-20030078036-A (KR)
IPC: C12N15/09
Filed: 2003-03-27
Abstract: In a method for producing an L-amino acid by culturing a microorganism having an ability to produce an L-amino acid in a medium to produce and accumulate the L-amino acid in the medium and collecting the L-amino acid from the medium, a Gram-negative bacterium having the Entner-Doudoroff pathway and modified so that 6-phosphogluconate dehydratase activity or 2-keto-3-deoxy-6-phosphogluconate aldolase activity, or activities of the both are enhanced is used as the microorganism.
Patent KR-20040088818-A (KR)
Inventor: KIM JU IN
IPC: A01N65/36
Filed: 2003-04-12
Abstract: PURPOSE: Provided is a new sterilizing agent which contains the extract of grape fruit and citrate. Therefore, the sterilizing agent has improved sterilizing effect on microorganisms and is used as food additives. CONSTITUTION: The new sterilizing agent which contains the extract of grape fruit and citrate, wherein the citrate is selected from sodium citrate, potassium citrate, and calcium citrate, and the ratio of the grape fruit extract to the citrate is 1:1.0-10.0.
Patent KR-20040088942-A (KR)
Inventor: CHOI JEONG PIL
IPC: G09G3/296
Filed: 2003-04-14
Abstract: PURPOSE: An apparatus and a method for driving a plasma display panel are provided to simplify the circuit by joining the Y and Z sustainers and having one source capacitor in common, thereby reducing the manufacturing cost. CONSTITUTION: An apparatus for driving a plasma display panel includes a source capacitor(Cs), a first energy recovery circuit(85) and a second energy recovery circuit(95). The source capacitor(Cs) charges and discharges the voltage recovered from the plasma display panel. The first energy recovery circuit(85) is connected between the source capacitor(Cs) and the scan electrode line for supplying the first sustain pulse to the scan electrode line by using the discharged voltage during the first period. The first energy recovery circuit(85) supplies the voltage discharged through the scan electrode line during the second period to the source capacitor(Cs). The second energy recovery circuit(95) is connected between the source capacitor(Cs) and the sustain electrode lines for supplying the second sustain pulses to the sustain electrode lines by using the voltage discharged from the source capacitor(Cs) during the third period. And, the second energy recovery circuit(95) supplies the voltage discharged through the sustain electrode lines during the fourth period.
Patent KR-20040090039-A (KR)
Inventor: KIM SUNG BONG
IPC: A47G19/03
Filed: 2003-04-16
Abstract: PURPOSE: Provided is an environment-friendly food dish made out of corrugated paper or paperboard, featuring an improved strength, workability, plasticity, and recyclability. CONSTITUTION: The environment-friendly food dish(1) is composed of a central part(2), a peripheral part(3), and an incurved part(6). The food dish(1) is made out of stencil paper(8) and a single corrugated paper(9). The stencil paper(8) is pasted on the top of the single corrugated paper(9). Also, the top surface of the stencil paper(8) is coated with a liquid, and the peripheral part(3) of the food dish is formed of valleys(4) and heights(5). Here, the valleys(4) and heights(5) are formed at an angle of about 5 - 20 degrees from the central point of the food dish(1) so that food such as cake can be safely placed on the dish.
Patent KR-20030036544-A (KR)
Inventor: CHO JIN HYUNG
IPC: G06F15/00
Filed: 2003-04-17
Abstract: PURPOSE: A method for tracking the connection environment information of an Internet shopping mall in real time is provided to track and accumulate the physical information of a connecting device and the total connecting environment information for a hardware and software specification of a system of a specific user in real time through an automatic method. CONSTITUTION: A NetBIOS(Network Basic Input/Output System) ping packet is transmitted to a UDP(User Datagram Protocol) 137 communication port of a user PC. The specification information and a physical address of the connecting device of the user are extracted by analyzing a NetBIOS response packet. A Null TCP(Transmission Control Protocol) SYN(SYNchronous) packet is transmitted to a communication port. The specification information of an OS(Operating System) of the user PC is analyzed by analyzing the TCP ACK(ACKnowledgement) packet.
Patent KR-20040090821-A (KR)
Inventor: HONG EON PYO
IPC: H02K1/14
Filed: 2003-04-18
Abstract: PURPOSE: A structure for joining stators of a reciprocating compressor is provided to prevent an outer stator from being separated from a fixed position due to vibration of a compressor, thereby maintaining a regular air gap with an inner stator, and smoothly reciprocating a mover interposed between the outer stator and the inner stator. CONSTITUTION: An outer stator(131) is fixed between a front frame(121) and an intermediate frame(122) of a frame unit. An inner stator(132) is fixed at an outer peripheral surface of the front frame, having an air gap with the inside the outer stator. A mover is inserted into the air gap between the outer stator and the inner stator to be combined with a piston of a compression unit, reciprocating in a straight line with the piston. Anti-sliding parts(170) are formed at bonded surfaces of the outer stator, and the front frame and the intermediate frame to increase joining force of the outer stator.
Patent KR-20030084763-A (KR)
Title: 메모리와 로직 회로가 1칩에 혼재된 반도체 장치와 그제조 방법
IPC: H01L27/10
Filed: 2003-04-25
Abstract: 반도체 기판은 로직 영역 및 메모리 영역을 갖고 있다.  로직 영역 및 메모리 영역 상에는 다층 배선층이 형성되어 있다.  적어도 로직 영역의 다층 배선층과 로직 영역의 소자 형성층 사이에, 로직 영역 내에의 H 2 O의 확산을 방지하는 확산 방지막이 형성되어 있다.
Patent KR-20040095114-A (KR)
Inventor: KIM YEONG DAE
IPC: E05F11/54
Filed: 2003-05-06
Abstract: PURPOSE: A door opening device is provided to move a door easily with little strength using the principle of levers, and to make installation easy with simple equipment and to cut down construction expenses. CONSTITUTION: The door opening device comprises the steps of installing a body(3) to a door, attaching a friction plate(5) to a doorframe(2), coupling an operating body(4) to the body(3) using a shaft(8), forming a knob(6) to one end of the operating body(4) and contacting the other end of the operating body(4) to a push plate(11) by a wheel(7), so that a push plate(11) pushes a friction plate(5) by rotating an operating body(4) using a knob(6) to open up a door by reaction. The length(D) from a shaft(8) to a knob(6) is longer than the length(d) from a shaft(8) to a wheel(7), so that a door is opened easily by rotating an operating body(4) with litter strength and letting a push plate(11) push a friction plate(5) with great strength.
Patent KR-20040096111-A (KR)
Inventor: KOO EUN JEONG
IPC: H04N21/472
Filed: 2003-05-07
Abstract: PURPOSE: A device for automatically controlling a reserved recording time is provided to control a recording start time and a recording end time of a reserved channel program according to user settings, thereby controlling a recording time as much as predetermined time during a substantial recording process. CONSTITUTION: An automatic control mode judging module(110) decides whether a control code is identical with a preset reserved recording time automatic control code, and outputs a corresponding judging signal. A table(120) stores a channel matched with recording reserved time data. A table management module(130) matches the channel with the time data, and reads the stored time data according to the judging signal. A recording time detection module(140) detects recording start time data and recording end time data from the read time data, and outputs the detected data. A recording time control module(150) automatically controls the recording start/end time data.
Patent KR-20040097827-A (KR)
Inventor: KIM MYEONG JIN
IPC: B23K35/22
Filed: 2003-05-13
Abstract: PURPOSE: A brazing agent containing a flux for low temperature brazing is provided to improve quality of a welding section and to simplify brazing work by properly controlling an amount of the flux. CONSTITUTION: A brazing agent includes Zn alloy powder consisting of 10 to 40 weight percent of Al or Al + Si and Zn. 10 to 40 weight percent of CeF is added to the Zn alloy powder. Mixed powder of the Zn alloy powder and flux powder is subject to mechanical processes, such as a powder forging process and an extruding process in such a manner that the mixed powder is formed in a three-dimensional shape. The granularity of the Zn alloy powder is less than 30mesh, and the granularity of the flux powder is less than the granularity of the Zn alloy powder.
Patent KR-20040097851-A (KR)
Inventor: CHO DONG HYEONG
IPC: C07K14/435
Filed: 2003-05-13
Abstract: PURPOSE: A protein inhibiting apoptotic protease activating factor-1(Apaf-1) medicated activation is provided, thereby treating or preventing diseases caused by over-activation of Apaf-1 or under-activation of Apaf-1. CONSTITUTION: The isolated protein APIP inhibiting Apaf-1 medicated activation comprises the amino acid sequence with a more than 80% or 90% homology to the amino acid sequence of SEQ ID NO:2. The isolated protein APIP2 inhibiting Apaf-1 medicated activation comprises the amino acid sequence with a more than 80% or 90% homology to the amino acid sequence of SEQ ID NO:4. A gene encoding the protein APIP has the nucleotide sequence of SEQ ID NO:1. A gene encoding the protein APIP2 has the nucleotide sequence of SEQ ID NO:3. A vector containing the APIP gene or APIP2 gene is provided. A host cell transformed with the vector is provided. The method for producing the protein APIP or APIP2 comprises culturing the transformed host cell and purifying the protein APIP or APIP2.
Patent KR-20040104087-A (KR)
Inventor: HAN GWAN YEONG
IPC: H01L33/00
Filed: 2003-06-03
Abstract: PURPOSE: An LED module for preventing a breakdown due to a backward high-voltage such as electrostatic discharge is provided to prevent the breakdown due to the electrostatic discharge by using an infrared LED chip or a red color LED chip. CONSTITUTION: The first LED chip(100) has a double electrode structure of an N-electrode and a P-electrode. The second LED chip(200) includes an N-electrode and a P-electrode facing to each other. A positive lead terminal(400) is electrically connected to the P-electrode of the first LED chip and the N-electrode of the second LED. A negative lead terminal(300) is electrically connected to the N-electrode of the first LED chip and the P-electrode of the second LED. The second LED chip prevents a breakdown of the first LED due to a backward high voltage.