baber/WOPTO huggingface dataset:
Patent KR-20010096302-A (KR)
Title: Material alignment device of marking apparatus for semiconductor
Inventor: KIM YEONG GEON
IPC: H01L23/544
Filed: 2000-04-18
Abstract: PURPOSE: An apparatus for aligning materials of a marking equipment for a semiconductor package is provided to perform a marking operation on same area by locating materials in a predetermined position of a tray. CONSTITUTION: A couple of rail(10) is formed on bottom faces of both sides of a tray(90) in order to transfer a tray including a multitude of collecting part for collecting a multitude of semiconductor package material according to columns and rows. The rails(10) are apart from each other. A support block(25) is formed at outsides of each rail(10). A cylinder(20) is fixed on the support block(25). A moving block(30) combined with an output shaft of the cylinder(20) is installed on upper portion of the cylinder(20). An up/down guide portion is combined with the moving block(30). The up/down guide portion is formed with a limit bearing and an up/down shaft. A fixing portion is installed at the moving block(30). Both sides of a mask(40) are fixed by the fixing portion. A fixing block(50) including a ball plunger(51) is installed on the moving block(30). A groove(52) is formed between the moving block(30) and the fixing block(50). A knob(53) is combined with the moving block(30).
Patent KR-20000049762-A (KR)
Inventor: JOO JIN YONG
IPC: G06F15/16
Filed: 2000-04-28
Abstract: PURPOSE: A device for granting e-mail address is provided to grant the e-mail address to the member in a homepage server. CONSTITUTION: A device for granting e-mail address is composed of an e-mail address grant/management server(2), the plurality homepage server of enterpriser(4,6,8) and the member(10-22). The e-mail address grant/management server(2) of web server grants the e-mail address and controls the communication on the internet. The homepage server(4) is entrusted the competency granting the e-mail address from the e-mail address grant/management server(2) and grants an ID to the member of homepage. The member(10-22) receives the ID from the homepage server(4), joins the ID with the homepage address and uses as the e-mail address.
Patent KR-20010102737-A (KR)
Inventor: LEE BYUNG HUN
Filed: 2000-05-08
Abstract: 본 발명은 음식물 산발효공정이 포함된 생물학적 고도처리방법에 관한 것으로, 1)제1무산소조(10)에 폐수를 유입시켜 외부탄소원의 공급과 후속되는 호기조(20)로부터의 내부반송을 받아 전탈질산화작용이 일어나게 하는 단계, 2)상기 호기조(20)에 상기 제1무산소조(10)로부터 유출된 폐수를 공급하여 질산화작용이 일어나게 하는 단계, 3)제2무산소조(30)에 상기 호기조(20)로부터 유출된 폐수를 유입시켜 외부탄소원의 공급에 의해 후탈질산화 작용이 일어나게 하는 단계, 4)탈기조(40)에 상기 제2무산소조(30)로부터 유출된 폐수를 유입시켜 질소가스를 탈기시키는 단계, 5)침전조(50)에 상기 탈기조(40)에서 유출된 폐수를 유입시켜 슬러지를 침전시키고 처리수와 분리시켜 처리수는 외부로 유출하고 슬러지를 상기 제1무산소조(10)로 반송시키는 단계로 이루어진 하폐수의 생물학적 고도처리방법에 있어서, 별도로 산발효조(60)를 두어 이 산발효조(60)에 음식폐기물을 공급하여 이를 산 발효시킨 것을 외부탄소원으로 하여 상기 제1무산소조(10)와 제2무산소조(30)로 공급하는 것을 특징으로 하는 구성을 갖는다. 이를 통해 유기물농도는 낮으나 질소농도는 높은 하폐수를 효과적으로 처리할 수 있다.
Patent KR-20010104187-A (KR)
Inventor: KIM JAE NAM
IPC: G06F3/0354
Filed: 2000-05-13
Abstract: 본 발명은 컴퓨터의 마우스 입력기능을 사용하면서 동시에 전자 청진기의 기능을 사용하며 데이타의 전송기능을 부여하여 컴퓨터를 통한 원격 진료에 있어 기초적인 생체 정보를 제공하여 보다 정확한 초기 진단이 가능하도록 구성한 청진기마우스에 관한 것이다. 
     이러한 청진기 마우스는 마우스 입력수단과 인체의 진찰부위에 접촉되어 심음과 체온 및 피부 전도도등을 측정할 수 있는 수단이 구비되는 측정수단과 이 측정수단과 전기적으로 결합되고 입력되어진 전기신호의 디지탈 변환과 변환 데이타의 저장과 표시 및 제어 기능을 구비한 마이컴 제어수단과 컴퓨터로의 상기 데이타 전송 기능을 구비한 직렬통신수단을 제공한다. 
     상기한 마이컴 제어수단의 표시기능으로 가청 주파수 변환부 및 측정 데이타를 도시하여 주는 디스플레이부가 제공되며 디지탈 변환된 데이타를 직렬통신수단에 의해 컴퓨터에 전송하여 컴퓨터의 모니터나 스피커를 통하여도 시청할 수 있으며, 컴퓨터 통신망을 통하여 다른 컴퓨터에 상기 데이타를 전송하여 측정한 생체정보를 공유할 수 있게 하여 원격 진료의 초기 진단자료를 실시간으로 제공할 수 있는 장점이 있다.
Patent KR-20010014958-A (KR)
Inventor: SHINKAWADA HIROKI
IPC: H01L27/108
Filed: 2000-05-22
Abstract: PURPOSE: To stabilize the resistance of bit line contact by obtaining the contact on an element separating area through plug-like local wiring using phosphorus- doped polysilicon for a transistor active area. CONSTITUTION: The polysilicon plug 9 of a memory cell section 100 is formed by using phosphorus-doped polysilicon. Since plug-like local wiring 25 using phosphorus-doped polysilicon is used for an N-channel transistor section 120 and bit line contact 26 can be obtained on an element separating oxide film by means of the local wiring 25, the layout margin of a narrow transistor active area 24 can be increased like the spot A of an N-channel transistor section 120. Therefore, the resistance of the bit line contact 26 can be stabilized.
Patent KR-20010106721-A (KR)
Inventor: KIM GI SEON
IPC: H04B17/00
Filed: 2000-05-23
Abstract: 본 발명은 섹터화 및 섹터당 트래픽 불균일 환경에서 음성 및 데이터 서비스를 동시에 제공하는 직접확산-코드분할다중접속(DS-CDMA) 시스템의 얼랑 용량 분석방법 및 그 운용방법에 관한 것으로, 개시된 얼랑 용량 분석방법은 섹터들 중 최대 부하 섹터를 결정하는 과정과, 상기 최대 부하 섹터에서 음성 및 데이터 호가 겪는 호 차단 확률을 산출하는 과정과, 상기 호 차단 확률이 요구된 QoS 및 GoS들에 만족되는 각 서비스 그룹들의 입력 트래픽 부하량의 집합으로 섹터당 얼랑 용량을 산출하는 과정을 포함하며, 섹터당 트래픽 분포의 불균일성과 섹터당 가용 채널의 제한뿐만 아니라 기지국에서 채널 요소(Channel Element; CE)의 제한을 고려하여 시스템의 얼랑 용량을 분석하므로 용량 분석의 정확도가 향상되는 이점이 있다.
Patent KR-20010108659-A (KR)
Inventor: PARK GI YEON
IPC: H01L21/8242
Filed: 2000-05-30
Abstract: Ta 2 O 5 유전막의 큐어링을 위한 저온 산화 공정과 Ta 2 O 5 유전막의 결정화를 위한 고온 열처리 공정을 동일한 처리실(process chamber) 내에서 인시튜(in-situ)로 행할 수 있는 반도체 소자의 커패시터의 제조 방법에 관하여 개시한다. 본 발명에 따른 커패시터 제조 방법에서는 반도체 기판상에 하부 전극을 형성한다. 상기 하부 전극 위에 Ta 2 O 5 막을 형성한다. 상면에 상기 반도체 기판을 재치할 수 있고 저항 발열체에 의하여 온도 조절되는 스테이지를 구비한 처리실 내에서 상기 Ta 2 O 5 막을 오존 분위기하에서 Ta 2 O 5 의 결정화 온도 이하의 온도로 어닐링하여 상기 Ta 2 O 5 막을 큐어링한다. 상기 처리실 내에서 상기 어닐링 단계와 인시튜로 상기 Ta 2 O 5 막을 Ta 2 O 5 의 결정화 온도 이상의 온도로 열처리하여 상기 Ta 2 O 5 막을 결정화시킨다. Ta 2 O 5 유전막 형성을 위한 큐어링 단계 및 결정화 단계를 행하는 데 있어서 리프트 핀의 높이를 조절하거나 처리실 내의 압력을 조절하는 방법으로 웨이퍼의 온도를 신속하게 변경시킨다.
Patent KR-20010069204-A (KR)
Title: Wafer level semiconductor device and method of manufacturing the same
Inventor: FUKASAWA NORIO
IPC: H01L21/56
Filed: 2000-06-07
Abstract: PURPOSE: To provide a wafer level semiconductor device of the structure in which the wafer level semiconductor device is not warped after the device is resin-sealed and then removed from a mold and a method for processing the wafer level semiconductor device in a state in which a wafer is not warped. CONSTITUTION: The wafer level semiconductor device comprises a wafer having a plurality of semiconductor elements formed on a surface, a sealing resin having a first part for sealing the surface of the wafer and a second part for sealing the side face of the wafer and having the same surface as a rear surface of the wafer, and a film covering the rear surface of the wafer and the second part of the sealing resin. The device is processed by using the wafer level semiconductor device in which this film is laminated.
Patent KR-20010111701-A (KR)
Inventor: CHOI SANG EUI
Filed: 2000-06-13
Abstract: 본 발명은 전사지 제조방법 및 전사지에 관한 것으로, 종래의 전사지는 직물상으로 충분한 전사가 이루어지지 않거나, 이를 보완하기 위해 이형지의 표면처리를 위한 번거로운 공정이 추가되거나 마찰로 인해 전사도안이 손상되는 문제점이 있었으며, 특히  수요자를 충족시키기 위한 입체적인 도형을 표현하지 못한다는 문제점이 있었다. 
     이에 본 발명은 예시도면 도 1 내지 도 3 에서와 같이, 전사도안 위에 유리구슬을 부착시켜 직물(12)에 전사된 도안이 난반사 되도록 한 것으로, 이형지(10) 상면에 접착층(14)을 형성하고 이 접착층(14) 위에 전사도안의 바탕을 위한 기본백색층(16)과 기본백색층(16) 위에 전사도안의 착색층(18)을 형성하고, 이 착색층(18) 위에 접착층(20)과 함께 유리구슬층(22)을 형성하는 한편, 유리구슬 사이에는 폴리아미드와 같이 전사열로 용융되고 냉각 후에는 접착층을 형성하는 접착분말을 살포하며, 상기 유리구슬층(22) 위에는 수성접착제가 도포되어 전사지를 포장마감하는 이형필름(28)을 부착한 것이다. 
     따라서, 본 발명에서는 전사후 분리시키는 이형필름 밑에 유리구슬층이 형성되므로, 이형필름과 전사도안 색채의 분리를 위한 이형필름의 표면처리 등의 번거로운 공정이 삭제되고, 유리구슬층에 의해 전사도안의 색채가 손상되는 것이 방지됨과 더불어 난반사에 의한 다양한 무늬의 형성이 가능하므로, 궁극적으로는 전사지의 상품성이 향상되는 효과를 얻게되는 것이다.
Patent KR-20010049548-A (KR)
Inventor: PARK JIN JOO
IPC: C12N11/14
Filed: 2000-06-14
Abstract: PURPOSE: To increase the surface area of a separation membrane and the permeated flow rate per unit surface area and to reduce the pressure drop by aligning plural filter units, each consisting of a ceramic porous body of a honeycomb structure and having specified communicating/discharging routes on the inside, at specified positions in a casing. CONSTITUTION: Each of the filter units is formed into a monolith type by arranging plural communicating pores 3 into a honeycomb shape in the ceramic porous body 2. A part of the pores 3 is formed into internal communicating pores 12 by sealing the both ends by sealing parts 13. The pores 3 and the pores 13 are disposed by aligning alternately and made adjacent to one another while interposing actual body parts 15 consisting of the ceramic porous body membrane. Pores 14 for discharging a filtrate are bored on every other line of the cell in the honeycomb structure. The filter units are arranged inside the casing so that the total area occupied by the filter units is made into 35% or larger of the internal area of the casing.
Patent KR-20020000369-A (KR)
Title: A feed mixing supplying system
Inventor: HAN JEONG SOO
IPC: A01K5/00
Filed: 2000-06-23
Abstract: PURPOSE: Provided is a system for supplying feed, which can formulate feed according to the weight variation as pigs grow and supply multi-staged feeds according to the detailed growth of pigs, thereby being capable of supplying proper nutrition and saving the cost of feed. CONSTITUTION: The system for supplying formulated feed includes two or more large feed stock tanks(10,10a); a hopper(12,12a) for supplying feeds from the feed stock tanks(10,10a) to one or more pigsty; a driving part for supplying the feed to a feeding tub(22); a mixing tub(40) for mixing feeds from the 2 or more feed stock tanks(10,10a); mixing lines(13,13a) for supplying feeds from the feed stock tanks(10,10a) to the mixing tub(40); a controlling part(50) for controlling the mixing ratio of the feeds introduced to the mixing tub(40) via the mixing lines(13,13a); a supplying line(14) for supplying the formulated feed from the mixing tub(40) to the feeding tub(22); feeding guiding lines(16) for supplying the formulated feed from the supplying line(14) to the feeding tub(22); the feeding tub(22) from which pigs take feed; and a collecting line(18) for collecting the feed remaining after supplying to the feeding tub.
Patent KR-20020004013-A (KR)
Title: Terminal and control apparatus for real-time stock information sevice and method of real-time stock information srevice using it
Inventor: BAE DAE GEUK
Filed: 2000-06-29
Abstract: PURPOSE: A system for controlling stock information and method for supplying the stock information are provided to serve stock information in real time using a mobile communication system under one-way and two-way communication channel environment. CONSTITUTION: First, a stock information control server transmits a broadcasting message in real-time to all the terminals through one-way broadcasting channels. Then, if error messages are generated from the broadcasting channels, a re-transmission request message is transmitted from a corresponding terminal through two-way communication channels. Next, the re-transmission request message is re-transmitted to the corresponding terminal. In addition, a user request message may be processed in accordance with the request from the user.
Patent KR-20020007743-A (KR)
Title: Automatic close and lock device for door
Inventor: JOH JAE HWAN
IPC: E05F5/00
Filed: 2000-07-18
Abstract: PURPOSE: An automatic door returning and locking device is provided to promote the simplification of an entire structure related to install a door, to improve in appearance and to keep a door opened for a long-term use. CONSTITUTION: The automatic door returning and locking device comprises a door hinge bracket(10) of the upper and lower ends, an upper case(12) and a lower case(13) arranged in contact with the hinge bracket(10), an inscribed gear case(14) for unifying the hinge bracket(10), the upper case(12) and the lower case(13) between the upper case(12) and the lower case(12), an oil gear association operated together with the door hinge bracket(10) to increase and decrease the rotary power of a bracket, a spiral spring(15) and a spring shaft(16) compressed and expanded by rotary power increased through the oil gear association to provide the restoring force of a door, and a locking device restricting the rotation of the spring shaft(16) to limit the entire movement of the door.
Patent KR-20020008891-A (KR)
Inventor: CHAE CHAN BOK
IPC: F03B13/12
Filed: 2000-07-20
Abstract: PURPOSE: A power generator using waves is provided to generate power only by using waves without a separate fuel after a power generator is installed. CONSTITUTION: Air containers(61b) continuously generate power by the force of waves. Drums(49) rotate in a direction with upward and downward motions. When waves rise, the air containers make a spur gear(66a) rotate in a direction via a ratchet(50). When waves fall, the air containers move downward and rotate in a direction. A rotating pulley of a compressor generates compressed air via a rotating pulley connected with the spur gear. An elastic member is prepared to make intake and exhaust and to control opening and closing of a cylinder by the pressure of a low pressure air container. Thereby, air of uniform amount is sent by the low pressure air container. By rotating a rotating pulley of a cylinder, energy is generated limitlessly.
Patent KR-20000063634-A (KR)
Inventor: KIM HAK WON
IPC: C07D211/40
Filed: 2000-07-27
Abstract: PURPOSE: A manufacturing method of piperidine derivatives and pharmaceutically acceptable salt thereof is provided, which simplifies the process and is cost effective by using cheap raw materials. CONSTITUTION: Piperidine derivative of formula (1) is prepared by reacting compound of formula (2) and compound of formula (3). Wherein, R1 and R2 are independently hydrogen, alkyl groups of linear chain or branched chain having 1-6 carbons or selected from cycloalkyl group having 3-6 carbons; M is alkali metal or halogenated metal. A preparation method of ethyl 4-(4-hydroxypiperidino)butanoate comprises the steps of: adding 5.0g of 4-hydroxypiperidine, 0.9g of sodium carbonate, 80mg of potassium iodine, 5.0g of ethyl chlrobutylate to 50ml of ethyl acetate, circulation-shaking for 20hrs; cooling to room temperature, filtering, washing the organic layer twice with water, and extracting the water layer with ethylacetate; adding the organic layer, drying with magnesium sulfate; filtering, concentrating under decompression to get 8.5g of objective material.
Patent KR-20020009933-A (KR)
Title: Bookmark Management And Service System In Internet
Inventor: LIM DAE YEONG
IPC: G06F17/00
Filed: 2000-07-28
Abstract: PURPOSE: A service and management system for bookmarks on the Internet is provided to enable a user to use consistent bookmark information all the time although the user moves to other place and performs an Internet connection using other Internet terminal. CONSTITUTION: The bookmark management system(201) has inherent identification information according to users based on the Internet, and performs a recording and management of bookmark information according to users. The bookmark management system(201) is connected to a bookmark agent(202). The bookmark agent(202) may consist of a Java program. The bookmark agent(202) is connected to users(Internet terminal)(203,204) based on the Internet, and takes charge of an update control of bookmark information in accordance with a bookmark information upload from a user, a bookmark information download to a user, and a comparative search. The users(203,204) store web browsers(203a,204a), respectively. Kinds of the web browsers(203a,204a) may be identified or different. The web browsers(203a,204a) have local bookmark information(203b,204b), respectively.
Patent KR-20010021255-A (KR)
Title: Magnetoresistive effect element/head and magnetoresistive detection system
Inventor: HAYASHI KAZUHIKO
IPC: G11B5/39
Filed: 2000-08-09
Abstract: PURPOSE: A magneto-resistance effect element, magneto-resistance effect head, magneto-resistance detecting system and magnetic storage system are provided to enhance reproducing sensitivity and reproducing output of a magnetic head in a magnetic recording and reproducing device. CONSTITUTION: The magneto-resistance effect element is provided with at least one combination consisting of a free layer(31), a non-magnetic layer(32) and a fixed layer(33). In this case, an easily-magnetized axis direction(36) of the free layer(31) and an easily-magnetized axis direction(34) of the fixed layer are specified to be almost parallel to each other. Thereby, the easily-magnetized axis direction of the free layer, which is a leakage magnetic field from a medium, is aligned with the direction of the leakage magnetic field from the medium and the free layer magnetized direction is changed to a large extent even for a small quantity of magnetic field information because the easily-magnetized axis has a small anisotropic magnetic field. Therefore, magnetic field sensitivity of the magnetic head can be enhanced compared with a conventional one.
Patent KR-20020017316-A (KR)
Title: Thin film transistor array panel for liquid crystal display and manufacturing method of the same
Inventor: KIM JANG SU
IPC: G02F1/136
Filed: 2000-08-29
Abstract: PURPOSE: A thin film transistor substrate for a liquid crystal display and a method for manufacturing the same are provided to simplify the manufacturing process by forming a protection insulating film having contact holes simultaneously with protrusion patterns and realize the wide viewing angle by forming slant surfaces of the protrusion patterns and the protection film in the same direction with the center of the protrusion patterns. CONSTITUTION: A thin film transistor substrate for a liquid crystal display includes an insulated substrate(10), gate lines formed on the insulated substrate, a gate insulating film formed on the gate lines, a semiconductor layer formed on the gate insulating film and overlapping the gate lines partially, a contact layer formed on the semiconductor layer and separated at both sides of gate electrodes of the gate lines, source electrodes formed on a side of the contact layer, drain electrodes formed on the other side of the contact layer, data lines formed on the gate insulating film, crossing the gate lines and connected to the source electrodes, a protection insulating film(70) covering the semiconductor layer between the source electrodes and the drain electrodes and having protrusion patterns(76) in pixel areas defined by the crossing data and gate lines, and pixel electrodes(82) formed on the protrusion patterns and the protection insulating film to be connected to the drain electrodes and having openings.
Patent KR-20020017817-A (KR)
Title: device formation method for preventing pattern shift caused by BPSG reflow
Inventor: LEE SEONG GWON
IPC: H01L21/316
Filed: 2000-08-31
Abstract: PURPOSE: A method of fabricating a semiconductor device for preventing a movement of a conductive layer pattern according to a reflow of BPSG(Boron Phosphorus Silicate Glass) is provided to prevent a movement of a conductive layer pattern due to a reflow of a BPSG. CONSTITUTION: A TEOS layer(32) is formed on a semiconductor substrate(30) having a lower conductive layer pattern(31). The first BPSG layer(33) is formed on a wholes surface of the above structure. A formation process of the BPSG layer(33) includes a BPSG layer deposition process and a flow process. A photoresist pattern is formed on the first BPSG layer(33) in order to define a conductive layer pattern. An opening portion is formed by etching the BPSG layer(33). The photoresist pattern is removed. A conductive layer is formed on a whole surface of the above structure. A conductive layer pattern(34) is formed within the opening portion. The second BPSG layer(35) is formed on the whole surface of the above structure. A contact hole is formed by etching the second BPSG layer(35), the first BPSG layer(33), and the TEOS layer(32). A plug(36) is formed within the contact hole.
Patent KR-20020018517-A (KR)
Title: Removable Printed Circuit Board for Liquid Crystal Display Device
Inventor: KIM HYO JIN
IPC: G02F1/13
Filed: 2000-09-02
Abstract: PURPOSE: A detachable PCB(Printed Circuit Board) for an LCD(Liquid Crystal Display) is provided to simplify the exchange or repair of a control circuit board separately without disassembling the whole LCD module, thereby preventing the reject due to the impurities introduced by the disassembling of the LCD module. CONSTITUTION: A detachable PCB for an LCD includes an LCD panel having top and bottom substrates and a liquid crystal layer implanted between the top and bottom substrates, a first PCB(250) electrically connected to the liquid crystal panel, a second PCB electrically connected to the first PCB, and having detachable driving circuit elements for substantially driving the LCD panel and at least one mounting groove at a predetermined peripheral position, and a first frame having a bottom surface, at least one first folded protrusion part(226a) at a position corresponding to the mounting groove of the second PCB(260) for fixing the second PCB, and a second folded protrusion part(226b) formed at an opposite position to the first folded protrusion part with a distance equal to a width of the second PCB.
Patent KR-20020020598-A (KR)
Inventor: LIM SANG HYEON
IPC: C09D133/06
Filed: 2000-09-09
Abstract: PURPOSE: Provided is an acryl-based plastisol composition excellent in storage-stability at an ordinary temperature and mechanical properties, which can be used for underbody-coating of a car or sealing. CONSTITUTION: The acryl-based plastisol composition comprises 100pts.wt. of copolymer particles containing alkyl(meth)acrylate and monomers capable of self-crosslinking, 80-200pts.wt. of a plasticizer, and/or 0-300pts.wt. of a water-insoluble inorganic filler, and/or an auxiliary and an additive, wherein the monomer capable of self-crosslinking is N-isobutoxy methyl acrylamide and N-butoxy methyl acrylamide. And the plastisol composition is gelated when heating at 100-200deg.C for 5-60 minutes.
Patent KR-20020024383-A (KR)
Title: A wiring system of vehicle
Inventor: KIM HYEONG UK
IPC: B60R16/02
Filed: 2000-09-25
Abstract: PURPOSE: A wiring system of a vehicle is provided to reduce the number of wires formed between an electric equipment section and a load terminal by transmitting the power and control signals through one power wire and control wire. CONSTITUTION: A wiring system of a vehicle includes a battery for supplying a driving power to the vehicle, an electric equipment section(10) receiving the power from the battery so as to control the signal, a wire(12) for transmitting signals from the electric equipment section(10), and a load terminal(11) driven by the signal transmitted through the wire(12). A control box(20) having a microcomputer is mounted on the electric equipment section(10). The load terminal(11) is grouped depending on position information and a load current. A control box(21) having a microcomputer is mounted on the grouped load terminal(11). A pair of power wire(22) and control wire(23) are connected between the control boxes(20,21).
Patent KR-20020024878-A (KR)
Title: Reflective type Cholesteric Liquid Crystal Display Device
Inventor: BAEK HEUM IL
IPC: G02F1/133
Filed: 2000-09-27
Abstract: PURPOSE: A reflecting cholesteric LCD(Liquid Crystal Display) device is provided to adopt a black plate instead of an optical absorbing layer and a lower substrate in the reflecting cholesteric LCD device, so that one layer configuring a liquid crystal panel is removed. Accordingly, a processes is simplified and inferiority relating to a process of coating the optical absorbing layer is reduced. CONSTITUTION: A black plate(21) absorbs light transmitted in a CLC C/F(Cholesteric Liquid Crystal Color Filter(23). The CLC C/F(23) has a predetermined range of pitch corresponding to each color of RGB(Red/Green/Blue) on the black plate(21). An upper substrate(25) is adhered to the black plate(21) at a predetermined distance. A QWP(Quarter Wave Plate,26) formed on the upper substrate(25) circularly polarizes a wavelength of incident light in lambda/4, and delivers the circularly polarized light. A linear polarizer(27) located on the QWP(26) linearly polarizes incident light, and delivers the linearly polarized incident light. A liquid crystal layer(24) is injected between the black plate(21) and the upper substrate(25).