baber/WOPTO huggingface dataset:
Patent KR-20010096253-A (KR)
Title: Driving circuit for piezo transformer
Inventor: YUM JANG HYEON
IPC: H05B41/26
Filed: 2000-04-18
Abstract: PURPOSE: A self-exciting driving circuit for piezoelectric transformer is provided to simplify configuration, improve productivity and reduce cost by arranging a driving transformer for on/off operation of the switching element and voltage applying and discharging path of lighting device. CONSTITUTION: A self-driving circuit comprises a filter(1) for receiving AC power and removing noise from the received AC power; a bridge diode(BD) for rectifying the AC power output from the filter; the first transistor(Q1) and the second transistor(Q2) operating on/off in accordance with the state of the voltage flowing at the gate terminals of each transformer; a piezoelectric transformer(5) having the first voltage input terminal connected, through the first coil(L1), to the connecting point between first and second transistors, and the second voltage input terminal connected to the source terminal of the second transistor through the first condenser(C1); a cold cathode tube(6) connected to the output terminal of the piezoelectric transformer, and which is turned on by the output voltage applied from the piezoelectric transformer; a driving transformer(TLa,TLb,TLc) having the first coil connected between the first coil and the connecting point between first and second transistors, and the second coil connected to gate terminals of first and second transformers, wherein first and second coils are wound in opposite direction; and a starting voltage generating unit for receiving DC power rectified in the bridge diode, and supplying operating power to gate terminals of first and second transistors.
Patent KR-20010104463-A (KR)
Inventor: PAEK KEON SOO
Filed: 2000-04-28
Abstract: 본 발명은 판례 검색을 위하여 임의 검색어를 사용하면서도 미리 분류된 색인을 사용하여 손쉽게 판례를 검색하기 위한 인터넷상에서의 판례 검색 방법에 관한 것으로서, 하나의 판례 전문이 수록된 판례 파일을 분석하여 판례에서 이슈가 된 사항을 분류하는 단계와, 판례의 서지적 사항을 하나 또는 2이상의 서지 입력창에 입력하고, 다수개의 분류 입력창에 분류 번호와 분쟁 내용을 요약 입력하는 단계와, 파일 입력창에 서지 입력창, 분류 입력창에 연결된 해당 판례의 파일명을 입력하는 단계와, 분류 번호에 사용자가 접근할 수 있도록 대분류부터 소분류까지 링크 작업을 하는 단계로 구성된다. 
     본 발명에 따른 인터넷상에서의 판례 검색 방법은 사용자가 메뉴 화면에서 클릭으로 원하는 판례를 검색할 수 있도록 하여, 임의어 검색의 불안정성을 해소시키고, 검색 결과란에는 그 판례의 요약문이 표시되어 최종 판례 파일을 선택적으로 클릭하여 보도록하여 판례 검색 시간을 단축시키는 효과가 있다.
Patent KR-20010102669-A (KR)
Inventor: KWON DAE BOK
Filed: 2000-05-04
Abstract: 본 발명은 2장의 판재 사이에 판상의 인너핀을 수용한 상태에서 벤딩시켜 각각의 양단부를 맞이음시켜 파이프 형상으로 성형하고, 이들을 브레이징 결합하는 방법으로 제작하는 인너핀이 내장된 이중관형 열교환기 제조방법에 관한 것으로, 이러한 제조방법은 입,출구를 가진 판상의 외부판재를 성형하고, 판상의 몸체 길이를 상기 외부판재와 같거나 더 길게 하고 폭을 상기 외부판재보다 더 좁게 하며 양측 폭 단부에 동일방향으로 절곡편을 절곡시켜 내부판재를 성형하는 1차 소재성형단계; 판형상의 소재 양측 표면에 작동유체가 통과하는 통로를 갖는 무수히 많은 돌기들을 서로 교호되게 형성되는 인너핀을 성형하는 2차 소재성형단계; 상기 외경부재 일측면에 상기 내경부재의 양측 절곡편 단부를 고정시키고, 이들 사이에 형성된 공간에 상기 인너핀을 삽입한 상태로 가조립하는 임시조립단계; 상기 외경판재와 내부판재를 절곡하여 내부판재의 양측 절곡편이 서로 맞이음되게 하고, 돌출된 외부판재 양단부를 서로 겹치게 절곡성형하는 벤딩단계; 상기 벤딩공정에 의해 파이프 형상을 갖는 내부판재의 양측 개구부 단부를 확관시켜 상기 외부판재프 단부에 연결하여 개구부를 밀폐시키는 확관단계; 상기 확관공정을 마친 가조립 상태의 이중관 형상의 어셈블리를 브레이징하여 외부판재 및 내부판재에 도포된 클래드재에 의해 인너핀을 고정시키는 브레이징단계를 포함하는 것이 특징이다.
Patent KR-20010020811-A (KR)
Title: Adjustable two-piece clip for mounting objects on a wall stud
Inventor: PFALLER MARK J
IPC: H02G3/12
Filed: 2000-05-04
Abstract: PURPOSE: A controllable two piece clip for fitting article to wall stud is provided to selectively fit a clip to a wall stud made of channel metal by providing a first clip for fixing the clip to a stand, a second clip for holding an article on the clip and a supporting member preventing the flexure of the clip and the movement of the article to an inner side. CONSTITUTION: The first clip(15) is engaged with the front flange FF surface of a stud SM and a clip(10) is fixed to a stand. The second clip(20) holds an electric box(B) fitted on the stud SM and is engaged with the first clip part(15). When the clip(10) is fitted to the stud(SM) and the electric box(B) is clipped on the second clip part(20), the supporting member extends between a leg and the webbing surface of the stud(SM). When force to an inner side is added, a lip where the supporting member is folded is engaged with the webbing surface of the stud. Thus, high versatility is given and the clip can economically be manufactured.
Patent KR-20010107084-A (KR)
Inventor: CHOUNG PILL HOON
Filed: 2000-05-25
Abstract: 실제 골조직 또는 연조직과 동일한 굴곡, 크기 등을 갖는 정밀한 3차원 모형을 제작하여 수술 및 학습용으로 활용할 수 있도록 하고, 골대체물질로 제작하여 인공골조직을 제작할 수 있도록 한 것이다. 
     교정대상을 CT(computed tomography) 촬영하고, 골조직 또는 연조직에 상응하는 좌표값을 측정하여 얻은 다수의 위치 데이터를 종합하여 3차원 골조직 또는 연조직 영상을 형성하는 단계와; 3차원 골조직 또는 연조직 영상에서 측정 오류를 가진 데이터를 제거하는 교정 단계와; 교정된 3차원 골조직 또는 연조직 영상의 일부를 제거하거나 또는 3차원 골조직 또는 연조직 영상의 일부를 분리 독립시킬수 있고, 특정 형상을 부착하는 작업이 가능하도록 3차원 골조직 또는 연조직 영상을 컴퓨터 시뮬레이션화 하는 단계와; 상기 영상에서 특정위치 파악 및 표면적 및 체적측정이 가능한 시뮬레이션화 하는 단계와; 시뮬레이션된 3차원 골조직 또는 연조직 영상에서 모의 성형수술을 수행하는 단계와, 성형된 부위의 골조직 또는 연조직을 대체하는 3차원 대체 골조직 또는 연조직 영상을 형성하는 단계 및 시뮬레이션된 특정 영상을 형성하는 단계와; 형성된 3차원 대체 골조직 또는 연조직 영상 정보를 모형제작장치에 전송하고, 모형제작 물질을 이용하여 3차원 골조직 또는 연조직 모형을 제조하는 단계와; 모형제작 물질대신 골조직 또는 연조직을 만들 수 있는 물질로 3차원 골조직 또는 연조직 모형을 제조하는 단계를 포함한다.
Patent KR-20010108546-A (KR)
Inventor: NA HYEONG GI
Filed: 2000-05-29
Abstract: 본 발명에 따른 배열안테나는, 다수개의 안테나소자를 종횡으로 규칙적으로 배열한 배열안테나에 있어서, 인접한 열의 안테나소자는 상호 교차되어 배열되는 것을 특징으로 한다. 
     여기서, 상기 배열안테나는 상기 안테나소자에 공급되는 전력의 위상을 지연시키기 위한 위상지연구조를 더 포함한다. 
     그리고, 상기 안테나소자의 중심은 인접한 열의 안테나소자 사이의 거리의 중심에 위치하는 것이 바람직하다. 
     또한, 3개 이상의 열을 갖는 배열안테나에서는 기준열의 안테나소자의 배열거리를 N등분하여 상기 기준열의 안테나소자로부터 순차적으로 상기 배열거리의 1/N만큼 이동되어 배열되는 것이 바람직하다. 
     이와 같은 본 발명은, 배열안테나의 안테나소자 사이의 거리는 변화시키지 않고, 안테나소자를 더욱 가깝게 배열된 것과 같은 효과를 발휘하여, 부엽준위가 커지는 것을 방지하면서, 안테나 빔을 편향시킬 수 있는 장점이 있다.
Patent KR-20010108761-A (KR)
Inventor: CHEONG WOO HYEON
Filed: 2000-05-31
Abstract: 본 발명은 인터넷을 기반으로 한 전자상거래 시스템을 이용하여 재화를 경매하는 경우에 있어서의 가격결정방법에 관한 것으로서, 종래의 경매 또는 역경매에서 판매자 또는 구매자 한쪽 만의 가격 제시로 매매가 이루어지는 경직적인 가격 결정 시스템을 탈피하여 가상공간을 통해 제시되는 상품에 대해 판매자와 구매자 모두가 만족하는 가격과 수량에서 가격을 결정하여 매매가 이루어질 수 있도록 하는 전자상거래상의 경매에 있어서의 가격결정 시스템에 관한 것이다. 구매자는 자신이 구매하고자 하는 물품의 종류와 그 물품의 수량과 구매단가를 정하여 제시하고, 판매자는 자신이 판매하고자 하는 물품의 종류와 그 물품의 수량과 판매단가를 정하여 제시할 경우 가장 합리적인 방법으로 물품의 구매와 판매단가를 결정하여 최적의 가격조건으로 구매자와 판매자를 연결하는 가격결정방법에 관한 것이다.
Patent KR-20010109692-A (KR)
Inventor: KIM YEONG GI
Filed: 2000-06-01
Abstract: 본 발명은 인터넷 골프 부킹방법 및 시스템에 관한 것으로, 본 발명은 이용자가 인터넷망을 통해 골프 부킹서비스를 제공하는 웹사이트에 접속하는 단계와; 상기 웹사이트의 홈페이지를 로딩하여 회원 여부를 판정하기 위한 회원번호(ID) 및 비밀번호 입력 안내창을 화면에 표시하는 단계와; 이용자가 비회원인 경우에는 회원가입 안내메시지를 화면으로 표시하고 이용자에 의해 입력되는 회원정보를 저장함과 더불어 신규 회원번호(ID) 및 비밀번호를 부여하는 회원등록 단계와; 상기 회원여부를 판정하는 단계에서, 이용자가 회원인 경우에는 홈페이지를 통해 각 골프장의 부킹현황 안내창을 화면으로 표시하고, 화면으로 표시되는 예약, 예약확인, 취소 및 변경 아이콘이 선택되었는지 판정하는 단계와; 이용자가 상기 화면으로 표시되는 각 골프장의 부킹현황을 확인하고, 소정의 골프장과 일자를 선택한 후, 예약 아이콘을 선택하게 되면, 해당 골프장의 부킹 예약창을 화면으로 표시하는 단계와; 이용자는 화면으로 표시되는 부킹 예약창의 시간, 코스 및 예약가능인원을 확인한 후, 희망하는 시간대의 코스를 선택하는 단계와; 이용자가 희망하는 시간대의 코스를 선택하게 되면, 예약정보를 입력하는 안내창을 화면으로 표시하고, 이용자가 경기인원수, 도우미인원, 기타 요구사항 및 연락처의 예약정보를 입력하여 계속키를 선택하게 되면 결재안내, 위약안내사항, 취소가능일자 및 상기 입력된 예약정보를 예약 확인창을 통해 화면으로 표시하는 단계와 및; 이용자가 화면으로 표시되는 예약 확인창을 확인한 후, 예약하기를 선택하게 되면 상기 입력 및 선택된 예약정보를 저장하는 단계를 포함하여 지역적으로 분산되어 있는 각 골프장의 각종 정보 및 부킹정보를 온라인 상에서 실시간으로 제공하여 이용자들의 편이성을 도모할 수 있도록 된 것이다.
Patent KR-20020000038-A (KR)
Title: A chest-type refrigerator used for Kimchi
Inventor: LEE BONG GUK
IPC: F25D11/00
Filed: 2000-06-20
Abstract: PURPOSE: A box type kimchi storage device is provided to obtain kimchi which is uniformly fermented regardless of the stored position in the storage chamber, by installing the installation structure of the heater so as to provide a sufficient amount of heat all over the storage chamber. CONSTITUTION: A box type kimchi storage device comprises an inner case(21) having a storage chamber(S) formed inside of the inner case; a refrigerant pipe(25) installed at the side and rear surfaces of the inner case, and where a refrigerant for lowering the temperature of the storage chamber flows; and a heater(22) for feeding a heat to the storage chamber, and which is installed at the bottom, side and rear surfaces of the inner case. The heater includes a central portion installed at the bottom surface of the inner case, and a side portion(23) extended from the central portion and installed in upward and downward directions at the rear and side surfaces of the inner case.
Patent KR-20020000045-A (KR)
Title: Method of manufacturing a capacitor
Inventor: CHO GWANG JUN
IPC: H01L27/108
Filed: 2000-06-20
Abstract: PURPOSE: A method for manufacturing a capacitor is provided to improve an electrical characteristic, by performing a plasma process regarding the surface of a ruthenium lower electrode, by eliminating impurities of a Ta2O5 dielectric layer and by controlling oxygen depletion. CONSTITUTION: A ruthenium lower electrode(20) is formed on a semiconductor substrate(10) on which various elements for forming a semiconductor device are formed. The ruthenium lower electrode is surface-processed. The first Ta2O5 layer(30a) is evaporated on the ruthenium lower electrode. The first Ta2O5 layer is surface-processed. The second Ta2O5 layer(30b) is formed on the first Ta2O5 layer to form a Ta2O5 dielectric layer(30). The Ta2O5 dielectric layer is annealed. An upper electrode(40) is formed on the Ta2O5 dielectric layer.
Patent KR-20020000950-A (KR)
Title: A method for forming a capacitor of a semiconductor device
Inventor: BOK CHEOL GYU
IPC: H01L27/108
Filed: 2000-06-22
Abstract: PURPOSE: A method of fabricating a capacitor for a semiconductor device is provided to enable the high-density integration of a semiconductor device by forming an inner cylindrical type capacitor using an organic low-k layer. CONSTITUTION: A sacrificial insulating film(13) is deposited on a semiconductor substrate(11) having a lower insulating layer. An organic low-k layer(15) is formed on the sacrificial insulating film. A hard making layer(17) is formed on the organic low-k layer. A photo-resist pattern(19) is formed on the hard making layer by an exposure and development process using a storage electrode mask. The hard masking layer is etched and patterned using the photo-resist pattern as a mask, and the remaining portions of the photo-resist pattern are removed. The organic low-k layer is etched using the etched hard masking layer as a mask. The hard masking layer is removed, and a capping layer of a predetermined thickness is formed over the entire surface of the resultant structure. Capping layer spacers are formed on sidewalls of the organic low-k layer by anisotropically etching the capping layer. The sacrificial insulating film is etched using the capping layer spacers and the organic low-k layer as masks. The organic low-k layer and the capping layer spacers are sequentially removed.
Patent KR-20020002984-A (KR)
Title: Reflective and transmittive liquid crystal display device
Inventor: HONG SEUNG HO
IPC: G02F1/133
Filed: 2000-06-30
Abstract: PURPOSE: A TFT-LCD(Thin Film Transistor Liquid Crystal Display) is provided to obtain high transmissivity, high aperture rate, fast response speed and wide viewing angle characteristics in a reflection mode, as well as to use an LCD without regard to power supply for driving a backlight lamp. CONSTITUTION: A TFT-LCD includes: an LC cell(10) having plural nematic LC molecules(12); an input alignment layer(21) and an output alignment layer(23) arranged at both sides of the LC cell; an input substrate(31) and an output substrate(33) of transparent material arranged with a cell gap(d) between the input and output alignment layers; plural couples of pixel electrodes(51) and counter electrodes(53) formed on the input substrate; and a polarizer(41) and an analyzer(43) arranged opposite to the input substrate and the output substrate respectively. The pixel electrodes and the counter electrodes are made by opaque reflecting material such as Ag, Al, AlNd or Cu with thickness of 500-5000 angstroms. A reflector is positioned between the pixel electrode and the counter electrode, and surface-roughened to promote beam scattering. When voltage higher than threshold value is fed to the electrodes(51,53), a fringe field is formed in the LC cell. The parallel aligned direction of the nematic LC molecules is changed. The LC cell has retardation of (2n+1)λ/2-(2n+1)λ/4. Herein, the λ is the wavelength of beam, and the n is 0 or a positive constant.
Patent KR-20020006093-A (KR)
Inventor: RHO SAE HYUN
IPC: C12N15/113
Filed: 2000-07-11
Abstract: PURPOSE: A bFGF antisense oligonucleotide is provided which can be used in the treatment of proliferative vitreoretinopathy(PVR). CONSTITUTION: The bFGF antisense oligonucleotide useful for the treatment of proliferative vitreoretinopathy(PVR) has the nucleotide sequence of 5'-TAGCTTGAGTGAGG-3'. It is capable of inhibiting and decreasing the adhesion and growth of RPE cell and is referred to as FGF-2.
Patent KR-20020008924-A (KR)
Title: Apparatus for controling a door using a mobile communications system
Inventor: PARK YONG DOK
IPC: E05B47/00
Filed: 2000-07-21
Abstract: PURPOSE: A device for controlling a door using a mobile communication system is provided to remotely open a door by using a mobile terminal. CONSTITUTION: A transmission unit(100) generates a control signal to remotely release locking of a door where an automatic door lock unit is mounted. A mobile communication terminal(200) connected with the transmission unit(100) through a wire(300) converts the control signal generated in the transmission unit(100) into a wireless signal to transmit the converted wireless signal to a receiving unit. And the receiving unit mounted in the door lock unit of the door receives the wireless signal transmitted from the mobile communication terminal(200) and analyzes the received wireless signal. If the analyzed signal is a door open signal, the receiving unit automatically controls a motor to release the locked door.
Patent KR-20000063549-A (KR)
Inventor: HWANG UI SEONG
IPC: G06F15/02
Filed: 2000-07-21
Abstract: PURPOSE: An educational device using a computer is provided to solve an inconvenience for study occurred from using different educational materials according to each school. CONSTITUTION: An educational device for using a computer comprises a unit(1) for reading out a school textbook data, a media(2) for recording the school textbook data, a unit(3) for reading out a study contexts data, and a media(4) for recording the study contexts data. The unit(1) converts a signal supplied from the CPU to a predetermined audio frequency , records on a recordable media such as a cassette tape, and outputs and reconverts a producing frequency signal to a signal for the recordable media. The recording media(2) records a textbook data for a type of a textbook, a data for a unit of the textbook, and a study context data. The reading unit(3) reads out the study contexts such as an explanation data and examination data for the school textbook.
Patent KR-20020008605-A (KR)
Title: Cyber apartment phone be able to connecting a plural monitor
Inventor: HYUN JAE HO
IPC: G06F13/00
Filed: 2000-07-24
Abstract: PURPOSE: A cyber apartment phone be able to connecting plural monitor is provided so that a user can make a phone call and search an Internet site and apartment management information in a certain place, by installing the cyber apartment phone having a personal computer in the certain place such as a living room, and connecting touch screen devices of each room to the cyber apartment phone through a communication line, not the LAN. CONSTITUTION: An interface unit(212) transmits/receives operation states and control commands to/from a plurality of touch screen devices. A communication control unit(214) mediates a call between an analog call unit(225) of the plurality of touch screen devices and the other party, and connects the analog call unit(225) to an Internet site. A video converting unit(213) displays a personal computer image or web browser image on a screen of a monitor(224) of the touch screen devices, and a central control unit(211) for controlling the respective units(212-214). Here, each of the plurality of touch screen devices includes the monitor(224), a touch screen pad(223), an A/D converting unit(222), a controller(221) and the analog call unit(225). Accordingly, the user does not have to purchase a personal computer.
Patent KR-20020010368-A (KR)
Title: Safety device for gas range
Inventor: JANG GI HYEON
IPC: F24C3/00
Filed: 2000-07-29
Abstract: PURPOSE: An incombustible gas inlet and flame suppressing device is provided to prevent an explosive ignition in case of a re-ignition. CONSTITUTION: In case that a user operates a knob(110) for igniting a burner(140) of a gas oven(100), combustible gas is blocked by a shield plate(160) while gas is ignited by an ignition plug(130). The combustible gas is inlet through an entrance(151) of a venturi(150) so that incombustible gas is suppressed. Even if gas is not ignited, incombustible gas and flame can't go through the entrance of the venturi by the shield plate. Then, explosive ignition and backfire do not occur during a re-ignition.
Patent KR-20020011658-A (KR)
Title: Plastic Water Tank
Inventor: BYUN MOO WON
IPC: E03B11/02
Filed: 2000-08-03
Abstract: PURPOSE: A synthetic resinous large-sized water tank is provided to store large quantity of water stably by improving the load capacity of a wall part and to prolong the life of use by keeping a wall part in an original form. CONSTITUTION: A synthetic resinous large-sized water tank comprises a bottom part(110) installed for hollow resin plates(112) for a floor to be supported horizontally by lower horizontal members(111) arranged on the lowermost part at regular intervals, a wall part(120) installed in a rectangular tubular form for hollow resin plates(123) for a wall to be supported vertically by vertical members(121) connected perpendicular to the lower horizontal members of the bottom part and stiffening members(122), and a cover part(130) installed for hollow resin plates(132) for a cover to be supported horizontally by upper connecting members(131) connected perpendicular to the vertical members of the cover part, wherein the vertical members(121) of the wall part(120) are formed to secure fitting grooves(121a) opened longitudinally on right and left sides and the stiffening members(122) have the same sectional area as the thickness of the vertical members(121) and contain coupling ends(122a) stepped to narrow to correspond to the fitting grooves(121a) of the vertical members(121), so that the inner, outer surface of the stiffening members(122) fixed through the coupling ends(122a) fitted to the fitting grooves(121a) of the vertical members(121) form a bearing surface on an equal line with vertical members(121).
Patent KR-20020012090-A (KR)
Title: The method of sending postal mail using internet and postal kiosk
Inventor: HONG BYUNG SUN
Filed: 2000-08-05
Abstract: PURPOSE: A mail-sending method using the Internet and an automatic mail processor is provided to process the work in a post office efficiently and to print bar code data in a sending method of mails by attaching a zip code bar code to each mail. CONSTITUTION: The sending method of mails comprises steps of making the sending data of mails as a code file when a post sender sends a mail, downloading the code file from post Internet, calculating a fee according to the kinds and weight of mails, generating a receipt number, printing a post fee stamp and printing an address, a zip code and a receipt number bar code, printing the receipt number in a receipt, transmitting the sending data to the post internet, and checking and managing the working state of each unit in an electronic mailbox through the communication with the post Internet.
Patent KR-20020017063-A (KR)
Title: The polyurethane backing materials having a good property of preventing from back-diffusion of medicine for DDS, and the manufacturing method of the same
Inventor: CHOI JONG GEUN
IPC: A61K9/26
Filed: 2000-08-28
Abstract: PURPOSE: Provided are a polyurethane support having excellent inhibiting activity of back-diffusion of a drug for DDS(Drug Delivery System) and its manufacturing method. CONSTITUTION: DDS preparation has a polyurethane support consisting of a drug layer comprising drugs, adhesive and absorption enhancer, a polyurethane film, and release paper, wherein the polyurethane film contains 6-10 wt.% of absorption enhancer selected from fatty acid ester, fatty acid alcohol and solvent; and the polyurethane support is characterized by inhibiting back-diffusion of drugs.
Patent KR-20010067151-A (KR)
Title: Piezo-actuated cmp carrier
Inventor: ADAM D TEIKKUNOA
IPC: B24B37/30
Filed: 2000-09-04
Abstract: PURPOSE: A chemical mechanical polishing(CMP) control system is provided to control pressure distribution on the back face of a semiconductor wafer to be polished. CONSTITUTION: The system is provided with a CMP device having a carrier for supporting a semiconductor wafer. The carrier is provided with plural two-way function piezoelectric actuators(41,42). The actuators(41,42) detect pressure change across the semiconductor wafer, and the actuators(41,42) can be individually controlled. A controller connected with the actuators(41 and 42) control the actuators(41,42) to apply pressure distribution controlled across the semiconductor wafer by monitoring the detected pressure change.
Patent KR-20020025373-A (KR)
Title: Dye added ECB color LCD
Inventor: OH HYEOK JIN
IPC: G02F1/1337
Filed: 2000-09-28
Abstract: PURPOSE: A pigment adding-type ECB(Electrically Controlled Birefringence) color LCD(Liquid Crystal Display) is provided to add an anisotropic pigment to the liquid crystal, and to absorb wavelength in a red band by changing an arrangement of pigment molecules if a red selection voltage is applied. Thereby, color purity of red is improved. CONSTITUTION: A picture before applying an electric field is represented by (a), and a picture after applying an electric field is represented by (b), in a structure of a liquid crystal of an ECB color LCD. Liquid crystal molecules(10) and added pigment molecules(20) are displayed. An optical absorbtion by an anistropic pigment does not exist until an electric field is applied. If a red selection voltage is applied, an arrangement of the liquid crystal molecules(10) is changed and an alignment of the added pigment molecules(20) is changed, to absorb wavelength of 580 to 650 that is included in a red band. Accordingly, red purity is improved.
Patent KR-20010051043-A (KR)
Title: Catadioptric objective comprising two intermediate images
Inventor: FUERTER GERD
IPC: H01L21/027
Filed: 2000-10-16
Abstract: PURPOSE: A catadioptric objective comprising two intermediate images is provided to not only reduce costs by simplifying the structure, but also realize high resolution of an objective lens by reducing the central bore of a mirror. CONSTITUTION: A catadioptric objective of axial symmetry with two intermediate images achieving high resolution and to be used advantageously in the VUV region for microscopy or microlithography. The objective comprises a first refractive partial objective(S1) which generates a first intermediate image in the central bore of a mirror(M2), a catadioptric second partial objective(S2) which generates a second intermediate image in the central bore of a mirror(M1) and a third refractive partial objective(S3) which generates the final image(Im).