baber/WOPTO huggingface dataset:
Patent KR-20020037552-A (KR)
Title: the equipment and method adultform ball bearing plastic
Inventor: LEE BOO RAK
IPC: F16C33/32
Filed: 2000-11-14
Abstract: PURPOSE: A plastic ball shaping method and apparatus and plastic bearing is provided to achieve improved abrasion and heat resistance, while increasing strength and reducing weight of bearing ball. CONSTITUTION: A plastic ball shaping method comprises a first step of processing a ball element(21) which is formed by cutting a plastic rod(20) into the size of 5mm approximately, wherein the processing is performed by using a first grinding machine(1) having a chamber(3) arranged at the upper portion of the first grinding machine and a rotating plate(4) arranged at the lower end of the first grinding machine; a second step of shaping the ball element into a complete sphere by re-processing the ball element through the use of a second grinding machine(9) constituted by a press plate(7) having an inverse v-shaped groove(6) and a rotating plate(5); and a third step of surface-grinding and washing a ball(22) shaped into a complete sphere by the second grinding machine.
Patent KR-20020041856-A (KR)
Title: Leveling Material for Cement Floor and the Method for the Construction thereof
Inventor: HONG GEUN TAEK
IPC: C04B28/04
Filed: 2000-11-29
Abstract: PURPOSE: Levelling materials comprising acrylic resin emulsion instead of water as a liquid composition and powder composition, such as portland cement, high early strength cement, SiO2 and fluidifying agent, are provided to form a level plane rapidly by filling the rugged cement floor without primer coating. CONSTITUTION: The levelling materials comprises the first composition, powder, and the second composition, acrylic resin emulsion liquid, in a ratio of 2-4 : 1. The powder composition contains 55-75pts.wt. of portland cement, 5-15pts.wt. of high early-strength cement, 5-25pts.wt. of silica, 5-10pts.wt. of fluidifying agent. The liquid composition contains 30-50pts.wt. of acrylic resin and 50-70pts.wt. of water. The levelling materials packed separately are mixed in use, poured over the rugged cement floor, and flattened with a scoop or T-shaped tool.
Patent KR-20020041896-A (KR)
Title: An optical collimator and a method for manufacturing thereof
Inventor: BOO JONG UK
IPC: G02B6/136
Filed: 2000-11-29
Abstract: PURPOSE: An optical fiber collimator is provided to ensure precision of an arrangement of the collimator and to enhance the reliability of an optical interface in order to reduce an optical engagement loss. CONSTITUTION: A lens fixing groove(401a) is formed on an upper surface of a silicon substrate(401). After inserting a micro lens(402) into the lens fixing groove(401a), the micro lens(402) is fixed by applying an epoxy resin(403) onto thereof. Furthermore, an optical fiber fixing groove(401b) is formed on a lower surface of the silicon substrate(401). At this time, this optical fiber fixing groove(401b) is aligned in a vertical line with the lens fixing groove(401b). After inserting an optical fiber(404) into the optical fiber fixing groove(401b), the optical fiber is fixed by applying an epoxy resin(405) onto thereof. Predetermined spaces to be filled with epoxy resin are provided between the lens fixing groove(401a) and the micro lens(402), and provided between the fiber fixing groove(401b) and the optical fiber(404).
Patent KR-20010070265-A (KR)
Inventor: SCHOENAUER ULRICH
IPC: G01N25/22
Filed: 2000-12-05
Abstract: PURPOSE: A sensor and method for determining soot concentrations is provided to eliminate the detects of requirement of high voltage for confirming soot concentrations in flowing gas. CONSTITUTION: A sensor for use in flowing, soot particle-bearing gases, wherein the sensor is a soot sensor comprises at least one molded element(4) which is open-pored in a flow direction of the gases, at least one electric heating element(3), and at least one temperature probe(2). A method for ascertaining a soot concentration in flowing, soot particle-bearing gases, comprises flowing at least one component stream of a soot particle-bearing, exhaust gas stream through at least one molded element which is open-pored in flow direction of the gases, measuring a temperature of the molded element with at least one temperature probe, wherein a portion of the soot particles remains adhered to the molded element, heating up the molded element at defined time intervals by the electric heating element to an ignition element of the soot, and using a development of heat occurring upon combustion of soot particles as a direct measure for an amount of soot which has flowed past the soot sensor.
Patent KR-20020044803-A (KR)
Inventor: AHN SANG JIN
IPC: F24F13/00
Filed: 2000-12-06
Abstract: PURPOSE: A drain pan for air conditioner is provided to prevent wrong operation of a relay device due to dew formed on the drain pan by preventing dewing on an outside of the drain pan. CONSTITUTION: A dewing preventive rib(52) is formed on a position separated from a front panel(51) of a drain pan(50) to prevent cold condensed water from directly contacting with the front panel. A bottom between the dewing preventive rib and the front panel slopes toward an outlet(53) so that dew, formed on the dewing preventive rib, is discharged through the outlet. The bottom between the dewing preventive rib and the front panel slopes toward the dewing preventive rib to minimize area of condensed water contacting the front panel.
Patent KR-20020048493-A (KR)
Title: Automatically Lighting Device for the Emergency Lamps of Automobile
Inventor: OH YAK JEON
IPC: B60Q1/52
Filed: 2000-12-18
Abstract: PURPOSE: A device for automatically lighting an emergency lamp of a vehicle is provided to protect safety of a driver and to prevent a collision by detecting hydroplaning and switching on/off a warning light switch for hydroplaning. CONSTITUTION: A device for automatically lighting emergency lamp of a vehicle is composed of a torque sensor(1), a speed sensor(2), arithmetic unit(3), and a control unit(4). The torque sensor is connected to a steering wheel of a vehicle and senses steering wheel torque. The speed sensor is attached to the front and rear wheels of the vehicle and senses turnover rate of the front, rear, right, and left wheel. The arithmetic unit is connected to the torque sensor and speed sensor, receives signal of the sensors, and calculates the difference. The control unit switches on-off an emergency switch(5) according to the value received from the arithmetic unit. Therefore, the safety of the driver is protected and a collision is prevented.
Patent KR-20010062701-A (KR)
Inventor: OKUNO HIROSHI
IPC: G02F1/1335
Filed: 2000-12-26
Abstract: PURPOSE: A sheet of an illumination device is provided to make the wavy bending of a sheet having high thermal expansion/contraction property and to make base material easily deformed by thermal stress. CONSTITUTION: A sheet(7) is disposed within an illumination device(1). The sheet is mounted at an illumination device body(3) by being sandwiched with at least a part in a thickness direction between the illumination device body and a frame(4) mounted thereon. The sheet is curled by heat. The sheet includes a notch for preventing bending caused by the curling at least at one point of the segment to be sandwiched between the frame and the illumination device body.
Patent KR-20020053391-A (KR)
Inventor: KIM SE YEONG
IPC: F25D11/00
Filed: 2000-12-27
Abstract: PURPOSE: A refrigerator using nitrogen is provided to prevent spoiling and deterioration of food due to oxygen. CONSTITUTION: A refrigerator includes a food storage chamber(30) placed on a cold passage and having a space for foods to be stored in; and a nitrogen maintaining device comprising a pressurizing pump(40) blowing air to the food storage chamber and a nitrogen extractor placed between the food storage chamber and the pressurizing pump and extracting nitrogen from air flowing in to the food storage chamber to flow into the food storage chamber to prevent oxidation of the foods in the food storage chamber by keeping the food storage chamber full of nitrogen.
Patent KR-20020053644-A (KR)
Inventor: JUNG U GI
IPC: C03B7/08
Filed: 2000-12-27
Abstract: PURPOSE: Provided is a needle unit for molten glass feeder to prevent shell cord phenomena, lines formed by impurities of molten glass, on the surface of glass products. CONSTITUTION: The needle unit(30) comprises a needle shaft(31) installed perpendicular to the outlet area of molten glass feeder, and stirring wings(33) at the lower part of the shaft. One of the features in the unit is to contain at least a specific wing(35) making the flow of melt glass upwards while the needle shaft rotates. The impurities left on the air-surface of the melt glass flows down on to wall of needle unit, results in suppressing shell cord phenomenon in the surface of glass products.
Patent KR-20020055926-A (KR)
Title: Method of manufacturing a transistor in a semiconductor divice
Inventor: KIM TAE GYUN
IPC: H01L21/20
Filed: 2000-12-29
Abstract: PURPOSE: A method for fabricating a transistor of a semiconductor device is provided to increase drain saturation current and improve a short channel effect, by forming an epi silicon layer under a metal gate so that an epi channel is formed. CONSTITUTION: A screen oxide layer is formed on a semiconductor substrate(21) in which an n-well(21a) and a p-well(21b) are defined. An ion implantation process for controlling a threshold voltage is performed and the screen oxide layer is removed. A dummy gate oxide layer, a doped dummy polysilicon layer and a mask layer are sequentially formed. A gate electrode is formed by an etch process using a gate mask. A spacer(26) is formed on the sidewall of the gate electrode. An impurity ion implantation process is performed to form an impurity region(27). After an interlayer dielectric(28) is formed on the resultant structure, a chemical mechanical polishing(CMP) process is performed until the dummy polysilicon layer is exposed. The dummy polysilicon layer and the gate oxide layer are removed to expose the surface of the semiconductor substrate. A selective epitaxial growth(SEG) process is performed to form a thin epi silicon layer(210) on the exposed semiconductor substrate. After a gate insulation layer(29) and a metal gate(30) are formed on the resultant structure, a CMP process is performed to eliminate the metal gate and the gate insulation layer on the interlayer dielectric.
Patent KR-20020058289-A (KR)
Title: Manufacturing method for semiconductor device
Inventor: KIM YU CHANG
IPC: H01L21/28
Filed: 2000-12-29
Abstract: PURPOSE: A fabrication method of semiconductor devices using dual damascene is provided to improve reproducibility of patterns and to prevent a damage of a lower metal line by preventing a poison phenomenon of a photoresist. CONSTITUTION: A first metal line(32) is formed on a lower insulator(31). A nitride layer(33), a first dielectric film(34), a first oxide(35), a second dielectric film(36), a second oxide(37) and a first organic anti-reflection layer are sequentially formed on the resultant structure. A groove is formed by etching the first organic anti-reflection layer, the second oxide, the second dielectric film, the first oxide and the first dielectric film using a first photoresist pattern. A second organic anti-reflection layer(41) and a second photoresist pattern(42) are formed on the resultant structure so as to expose a second metal line formation region. At this time, the second photoresist pattern(42) is filled into the groove, and a poison(43) of a photoresist is formed on the groove. After etching the poison and the second oxide, a trench is formed by etching the second dielectric film using the second photoresist pattern and a via contact hole is formed by etching the first dielectric film.
Patent KR-20020057118-A (KR)
Title: Washing method for washing machine
Inventor: CHO SEONG JIN
IPC: D06F33/00
Filed: 2000-12-30
Abstract: PURPOSE: A washing method of a combined drying and drum type washing machine is provided to almost remove the use of water in the washing stroke by carrying out the washing by dropping motion of clothing and hot wind due to the rotation of a drum. CONSTITUTION: A washing method of a combined drying and drum type washing machine includes the steps of spraying washing water such as ionized water, ozone water, or a mixture of detergent and water to clothing while rotating a washing drum at a low speed(S1), activating pollutant contained in the clothing by supplying hot wind to the clothing for a preset time period while rotating the washing drum at a low speed(S2), and separating the pollutant from the clothing by rotating the washing drum at a high speed(S3).
Patent KR-20010021559-A (KR)
Title: 무선 데이터 전송을 통한 전자 장치 메모리 갱신 시스템및 방법
IPC: G06F9/445
Filed: 1998-06-23
Abstract: 전자 장치는 마이크로프로세서, 비휘발성 메모리, 그리고 무선 통신 인터페이스를 가진다. 상기 마이크로프로세서는 메모리 갱신 모드를 포함하는 다수의 모드에서 작동하고, 상기 무선 통신 인터페이스는 무선 통신 채널에서 데이터를 수신한다. 한 실시예에서, 전자 장치는 웨이크-업 또는 타이머 회로를 포함하여, 전자 장치를 무선 메모리 갱신 모드로 자동 설정한다. 상기 무선 통신 인터페이스에 의해 수신되는 데이터는 마이크로프로세서가 메모리 갱신 모드에 있을 때 데이터 수신에 따라 마이크로프로세서에 의해 비휘발성 메모리에 저장된다. 갱신 데이터 전송용 프로그래밍 유닛은 마이크로프로세서, 무선 통신 인터페이스, 그리고 갱신 데이터를 포함하는 메모리를 가진다. 통신 경로는 프로그래밍 유닛과 전자 장치 사이에 구축된다. 다수의 전자 장치의 비휘발성 메모리에 저장되는 데이터 갱신 시스템은 프로그램이 유닛과 다수의 전자 장치로 구성된다. 다수의 전자 장치의 비휘발성 메모리에 저장되는 데이터 갱신 방법은 프로그래밍 유닛을 다수의 전자 장치에 인접하게 위치시키는 단계와 프로그래밍 유닛의 무선 갱신 루틴을 활성화시키는 단계로 구성된다.
Patent KR-20010021935-A (KR)
Title: 표면파 플라즈마를 이용한 기체 여기 장치
IPC: H01J37/32
Filed: 1998-07-07
Abstract: 본 발명에 따른 기체 여기 장치에는 도파관을 형성하고 마이크로파 발생기에 연결되도록 의도되는 중공 구조체(24)와, 구조체를 통해 기체를 통과시키는 수단이 포함된다.  기체 통과 수단에는 유전성 재료로 만들어지는 적어도 2개의 중공 튜브(46, 48)가 포함되고, 각 중공 튜브는 입사파와 연관된 전계의 세기가 실질적으로 동일한 영역에서 상기 구조체(24)를 통과한다.
Patent KR-20010033797-A (KR)
Title: 스케일 가능한 계층적 움직임 추정을 실행하는 장치 및방법
IPC: H04N7/36
Filed: 1998-12-31
Abstract: 본 발명에서는 고도로 스케일링이 가능한 계층적 블록 기반의 움직임 추정을 실행하는 장치 및 방법이 개시되어 있다.  본 발명은 이미지 시퀀스내의 각각의 이미지 프레임을 M차 피라미드로 분해한다.  픽셀값을 나타내는 서로 다른 다이나믹 범위는 서로 다른 레벨의 M차 피라미드에 사용된다.  따라서 다수의 서로 다른 "P-비트"레벨 즉 다수의 서로 다른 M차 피라미드 구조가 생성된다.  현재의 스케일링 가능한 계층적 움직임 추정 방법은 이용 가능한 플랫폼 소스 및/또는 사용자의 선택에 따라서 M차 피라미드 구조로부터 다른 M차 피라미드 구조로 전환하는 융통성을 제공한다.
Patent KR-20010043335-A (KR)
Title: 컴퓨터 메모리 속도 및 용량을 향상시키기 위한 장치 및방법
IPC: H05K1/00
Filed: 1999-06-22
Abstract: 메모리 속도 및 용량을 향상시키기 위한 방법 및 장치는 메모리 칩(16,32,34,36)으로부터 컴퓨터 데이터 버스(2)를 고립시키기 위해 일련의 전자 스위치(24)를 이용한다. 상기 장치는 에치(etch)된 리드선(30,42), 랜드(land) 및 피드스루(feed-through)를 포함하는 하나 또는 그 이상의 복수면을 가진 메모리보드(10,12,14)를 포함한다. 상기 메모리보드와 마더보드간의 접속은 마더보드(28)상에서 커넥터(8)와 쌍을 이루는 에지 커넥터 또는 콘택트 핑거(contact finger)(5)의 코움(comb)을 통해 형성된다. 컴퓨터 버스의 데이터선 및 어드레스선들은 서로 구분되고, 에지 커넥터(8)를 통해 메모리보드로 라우트(route)된다. 일련의 CMOS TTL 또는 FET 스위치(24)들은 상기 코움(5)의 근처에 있으며, 주소, 제어 또는 데이터선들의 디코드된 조합에 의해, 또는 CPU(3), 콘트롤러 또는 마더보드(28)에 위치한 다른 디코드 수단들에 의해 제공되는 각각의 인에이블 선에 의해 ON 및 OFF 된다. 그 결과, 메모리 액세스에 실제로 요구되는 메모리 칩만이 ON 되고, 따라서 다른 메모리 칩들은 상기 데이터 버스(2)로부터 고립된다. 상기 고립으로 인해, 스위치화되지 않은 부품들의 커패시턴스는 상기 데이터 버스에 의해 보이지 않으며, 전체적으로 보다 낮은 커패시턴스를 유발하므로, 본질적으로 보다 빠른 메모리 액세스가 가능하다.
Patent KR-20020057326-A (KR)
Title: A vibrating wire type shotcrete stressmeter having an external box for protecting of sensors
Inventor: KIM GYEONG RAE
IPC: G01L1/10
Filed: 2001-01-04
Abstract: PURPOSE: A vibrating wire type shotcrete stressmeter with sensor protective box is provided to protect the stress sensor against the outside shotcrete. CONSTITUTION: A radial sensor part and a tangential sensor part are installed in an armor protective box(10) having four hermetic surfaces, a first side(20) having a hole on a center thereof so that a radial sensor head part(30) is protrusively installed thereon and extended to both sides wider than the other sides of the armor protective box so that a plurality of grooves(40) are formed on the extended part to fix the armor protective box on a rock and etc., a second side(50) symmetrically opposite to the first side and having a screw groove to couple fix an end of the radial sensor part on the armor protective box, a third side(70) perpendicular with the first side and having a hole on a center thereof so that a tangential sensor head(80) is protrusively installed thereon and a fourth side(90) symmetrically opposite to the third side and having a screw groove to couple and fix an end of the tangential sensor part on the armor protective box and a hole to draw out a cable(110) to an outside of the armor protective box.
Patent KR-20020011851-A (KR)
Title: Simulation game system using machine vision and pattern-recognition
Inventor: JUNG YOUNG GYUN
IPC: A63F13/213
Filed: 2001-01-15
Abstract: PURPOSE: Provided is a feeling game system by machine vision and pattern awareness which projects one's own dance motion into a monitor to compare with a standard motion so that it helps users to correct their own dance motion effectively. CONSTITUTION: The feeling game system by machine vision and pattern awareness comprises the parts of: an output tool(14) which generates music; a small-sized optic camera(15); a monitor for displaying 3D character standard image which directs motion of the entire human body to music accompaniment; a network treatment part which transmits data toward an external device; a lighting tool which extracts stable user silhouette in a filming tool; and a pipe frame which is placed for the same color floor sheet(17) and green screen(18) as the lighting tool.
Patent KR-20010035230-A (KR)
Title: Authentica- tion System and Method applying portable recoding medium
Inventor: EOM JANG PIL
IPC: H04L9/32
Filed: 2001-01-19
Abstract: PURPOSE: A certification system on basis of a portable storing medium and a method therefor are provided to carry out certification with high dependence by applying the essential information basically and adding information about a user. CONSTITUTION: In a certification system on the basis of a portable storing medium and a method therefor, a few stages are included. In the stage of S210, a connection module is connected to the home page of an operating server when the supplied CD is inserted into a drive. In the stage of S220, a sending module sends the essential information of the encoded medium written on the header of the CD to the operating server when a client and the operating server are connected. In the stage of S230, a code-deciphering module of the operating server decodes the medium essential information sent from the client. In the stage of S240, a certification module detects an ID and a secret number from a user information database. In the stage of S250, it is judged if the detected ID and secret number are identical or not. In the stages of S260 and S270, the certification is recognized when the result of judging is identical and the certification is not recognized when the result of judging is not identical.
Patent KR-20010078235-A (KR)
Title: Heating apparatus
Inventor: YAMADA ATSUO
IPC: H05B3/28
Filed: 2001-02-01
Abstract: PURPOSE: To prevent increase in temperature deviation or generation of a heat spot on the heated surface over a wide temperature range including high temperature range in a heating device. CONSTITUTION: The heating device is provided with a ceramic base 2 having a heating face 2A, a plurality of resistance heater elements 3, 4 buried in the base 2, a pair of terminals 6, 5 for each heater element for supplying alternate current, and alternate current power supply 11A, 11B, connected with each of the terminals corresponding to each heater element for supplying power to the terminals. Isolation transformers 10A, 10B are inserted between each alternate current power supply and each pair of terminals.
Patent KR-20010085469-A (KR)
Inventor: FUKUI KOUKI
IPC: F16L11/24
Filed: 2001-02-22
Abstract: PURPOSE: A flexible hose is provided to obtain sufficient strength while maintaining permeability. CONSTITUTION: In a flexible hose(6) constructed by helical winding, the hose is integrally constructed by helical winding. Herein, permeable tapes(5) made of non-woven or woven fabrics are interposed between the edge segments of a tape(1) made of resin. The permeable tapes are wound to precede and succeed consecutively in longitudinal direction of the hose. The flexible hose having permeability is used as an outer pipe of a double pipe. Thereby, the flexible hose is used as an exhaust circulation type cleaner hose. In addition, the flexible hose is prevented from being worn away by friction by adding smoothness to the inside of an outer pipe or the outside of an inner pipe.
Patent KR-20010098391-A (KR)
Title: 단결정과 용융액 사이의 고체-액체 계면 형상 및 단결정의점결함 분포의 시뮬레이션 방법
IPC: C30B15/00
Filed: 2001-02-27
Abstract: 제1 단계에서는 단결정(14) 인상기(引上機) (11)의 고온 대역을 메쉬 구조로 모델화하고, 제2 단계에서는 고온 대역의 각 부재에 통합된 메쉬에 대한 각 부재의 물성치를 컴퓨터에 입력한다.  이어서, 제3 단계에서는 각 부재의 표면 온도 분포를 히터의 발열량 및 각 부재의 복사율에 기초하여 구하고, 제4 단계에서는 각 부재의 표면 온도 분포 및 열전도율에 기초하여 각 부재의 내부 온도 분포를 구한 후, 대류를 고려하여 용융액(12)의 내부 온도 분포를 다시 구한다.  그 다음, 제5 단계에서는 단결정(14)과 용융액(12) 사이의 고체-액체 계면 형상을 단결정 (14)의 삼중점(S)을 포함하는 등온선에 따라 구한다.  또한, 제6 단계에서는 상기 제3 단계 내지 제5 단계를 삼중점(S)이 단결정(14)의 융점이 될 때까지 반복한다.  본 발명의 목적은 서로 잘 일치하는 단결정과 용융액 사이의 고체-액체 계면 형상의 계산 결과 및 실제 측정 결과를 얻는 것이다.
Patent KR-20020073679-A (KR)
Title: An Instrument for measuring a microwave power
Inventor: CHO YONG GEON
IPC: G01R21/00
Filed: 2001-03-15
Abstract: PURPOSE: A high frequency power measurement apparatus is provided, which measures a high frequency up to giga hertz band, and is used for a processing purpose. CONSTITUTION: The high frequency power measurement apparatus includes a digital display device(50), and an amplifier(20) outputting a DC output by receiving a high frequency input. An analog digital converter(30) receives an output of the amplifier and outputs a digital signal after converting the output of the amplifier into the digital signal. And a micro processor(70) receives the digital output of the analog digital converter and outputs data on the digital display device by calculating a power intensity of the high frequency signal. The amplifier is a log amplifier which converts a log scale input into a linear output.
Patent KR-20020077563-A (KR)
Title: circuit substrate for shielding magnetic field
Inventor: LEE SEOK MUN
IPC: H01J29/76
Filed: 2001-04-02
Abstract: PURPOSE: A magnetic field shielding circuit board is provided to reduce cost, shorten working time, and reduce size of the circuit board, while obtaining superior characteristics of deflection yoke. CONSTITUTION: A circuit board(31) mounted with a component for generating a magnetic field is attached to a deflection yoke. The circuit board has an upper surface where the component for generating a magnetic field is mounted. Magnetic field shielding copper foil patterns(34) are formed at the upper surface, corresponding to the area of the component for generating a magnetic field, so as to shield the magnetic field. Upper and lower circuit connecting copper foil patterns(35,36) for connecting the component for generating a magnetic field to an external circuit, are formed at the upper surface of the circuit board in such a manner that the upper and lower circuit connecting copper foil patterns surround the magnetic field shielding copper foil patterns.
Patent KR-20010100881-A (KR)
Title: 와이드 컨버터 렌즈
IPC: G02B13/06
Filed: 2001-04-10
Abstract: 본 발명은 80° 이상의 촬영화 각을 가지고, 왜곡 수차 발생이 적은 와이드 컨버터 렌즈를 제공한다.  촬영 렌즈(B)의 물체측에 장착하여 사용되는 와이드 컨버터 렌즈에 있어서, 물체측으로부터 순차로 양 볼록 형상의 제 1 양렌즈(L1)와, 한 장 이상의 음렌즈로 이루어지는 음렌즈 유닛(L21)과, 양 볼록 형상의 제 2 양렌즈(L3)로 이루어지며, 이하의 조건을 만족한다. 
     
       
     
     단, r1은 상기 제 1 양렌즈(L1)의 물체측 면의 곡율 반경, r2는 상기 제 1 양렌즈(L1)의 상측 면의 곡율 반경이다.
Patent KR-20020081744-A (KR)
Title: Picture Frame of Display Panel And manufacturing Method Thereof
Inventor: LEE JUNG HWA
IPC: H04N5/64
Filed: 2001-04-19
Abstract: PURPOSE: A frame of a flat display device and a method for fabricating the same are provided to simplify the fabricating of the frame in a short time at a low cost, and modify the design or color of the frame according to the taste of a user. CONSTITUTION: A frame of a flat display device includes front frames(20) cut by a predetermined length according to the size and appearance of a flat display device to be attached to outer rims of the flat display device, coupling parts(30) mounted to each corner of the front frame for coupling the cut front frame to each other, and a rear cover(40) coupled to rear surfaces of the front frame for fixing the flat display device mounted in the front frame.