baber/WOPTO huggingface dataset:
Patent KR-20000036731-A (KR)
Inventor: LEE YOUNG MAN
IPC: G06F17/00
Filed: 2000-03-27
Abstract: PURPOSE: A contents executer for a computer control impossible of duplication is provided to input information on users in a front part of contents data, and to store the inputted information in a computer, when recording contents data supplied from a service provider, on the computer. CONSTITUTION: A contents executer for a computer control impossible of duplication executes requested contents by downloading contents data from a computer. The executer comprises an input unit, a searcher, a first comparator, a recorder, and a second comparator. The first comparator compares a user number of the executer and user information. The recorder records private information of a requester who desire receiving contents data, and user information of contents executer which the requester holds, on the contents data. The recorder does the contents data on a memory. The second comparator compares the user information within the mixed contents data and the recorded user information, when the requester desires downloading the mixed data with the executer. If the compared information are consisted, a contents manager program is executed so as to download the contents data with the executer. If not, the program is not executed, not to download the contents data with the executer.
Patent KR-20010094880-A (KR)
Title: A vacuum booster
Inventor: SIM TAE YEONG
IPC: B60T13/128
Filed: 2000-04-07
Abstract: PURPOSE: A vacuum servo mechanism is provided to form a suction port on an engine chamber, to remove nose while absorbing air and to travel a vehicle. CONSTITUTION: A vacuum servo mechanism comprises a master cylinder connected to diaphragms(31,32); a pedal assemblage(50') absorbing air; a vacuum seal housing; a bellows(30); an air tube(20) penetrating an engine chamber and an inner portion of an adjust element housing(6); a suction hole(21) of the air tube fixed on an end portion of the bellows; a discharge hole(25) of the air tube placed on the adjust element housing by opening the inner space of the engine chamber; a first air chamber(23) receiving the air by the air tube; a poppet valve(15); and a piston return spring(8) contained in a vacuum chamber(35). The poppet valve(15) opens a vacuum port(33) and closes an air port(34). The diaphragms are located in a release position by tension of the piston return spring. Thereby, the vacuum servo removes nose while absorbing air and to travel a vehicle by forming a suction port on an engine chamber.
Patent KR-20010095686-A (KR)
Title: Inlet structure of air-conditioner
Inventor: KIM JIN IL
IPC: F24F1/00
Filed: 2000-04-11
Abstract: PURPOSE: A suction structure for air conditioner is provided to reduce load of blower motor and achieve an enhanced power consumption efficiency by allowing indoor air to be sucked through three surfaces of front and both side surfaces of the cabinet. CONSTITUTION: An air conditioner comprises a cabinet having an air discharge grill(3) mounted at the upper front surface of the cabinet so as to discharge heat-exchanged air into an indoor area, an air suction grill mounted at the lower front surface of the cabinet so as to suck indoor air, and air suction ports formed at both side surfaces of the cabinet so as to suck indoor air; an air filter(6) incorporated into the front lower portion of the cabinet, and which purifies the air sucked through the air suction grill and air suction ports of the cabinet; a heat exchanger(5) mounted in the rear of the air filter, and which heat exchanges air sucked through the air suction grills and air suction ports of the cabinet; and a blower(4) disposed in the air flow channel of the cabinet, and which discharges the air passed through the heat exchanger to the indoor area.
Patent KR-20010049334-A (KR)
Inventor: NAKATA HIRONOBU
IPC: F26B13/10
Filed: 2000-05-06
Abstract: PURPOSE: To provide a hot wind drying device of a warp yarn-sizing machine having a high productivity and energy efficiency, and not causing drying irregularity of the warp yarn. CONSTITUTION: This device consists of drying chambers 4a, 4b through which hot air passes in reverse direction to the traveling of warp yarns 3 and hot air heating and blowing devices 2a, 2b, and is equipped with 2 systems of hot air circulating and exhausting systems 1a, 1b for circulating the hot air and exhausting a part of it along a warp yarn traveling passage. Each of the drying chambers 4a, 4b of each of the hot air circulating and exhausting systems 1a, 1b in the upstream side and down stream side are connected in a state of blocking from outside air. An exhausting wind-recovering duct 8b is equipped for connecting and sending the exhaust air from the down stream side hot air circulating and exhausting system 1b to the hot wind heating and blowing device in the upstream side 2a. At a hot air passage between a hot air blowing out port 13 and a hot air sucking port 14 of the upstream side drying chamber 4a, an air resistance-imparting part 15 for reducing the cross sectional area of the hot air is provided.
Patent KR-20000063195-A (KR)
Inventor: KYUNG WON SEOK
IPC: A47G1/06
Filed: 2000-05-06
Abstract: PURPOSE: A memorial photograph is provided to make persons feel lament during a memorial service. CONSTITUTION: A memorial photograph making voice includes a voice memory integrated circuit(1), a charging battery(2), a sensor for receiving light(9), a speaker(4) on a P.C.B(Printed Circuit Board) of the inside of a case, and a solar battery(3) in the outside of the memorial photograph for supplying current energy with all electric circuits. If a cover for shielding the light is opened to flow the light into the sensor for receiving light or an optical sensor(9) of the surface is shielded by hand during the memorial service for causing the change of amount of incident light, so that the natural voice of the deceased during his lifetime stored in a memory part is easily made through the speaker.
Patent KR-20010100491-A (KR)
Title: 트로틀 바디
Inventor: CHOI BUM YOUNG
Filed: 2000-05-02
Abstract: 본 발명은 트로틀 바디에 발생하는 아이싱현상으로 인하여 시동직후의 곧 시동꺼짐현상과 공회전상태(ldling)의 불안전,그리고 그로 인한 출발시의 출력저하나 유해배출가스의 저감을 가져올 수 있는 것에 관한 것이다. 
     이를 위하여 본 발명은 아이싱현상이 발생되는 기존의 트로틀 바디재료인 알루미늄 합금을 사용하지않고 엔지니어링 플라스틱(PolyEster+GF35%)을 사용하여 제조하였고, 구조적인 면에서는 흡입메니폴드와 트로틀 바디사이에 흡입공기의 회전 유동을 위한 임펠러를 설치하였다. 
     이러한 결과로써 알루미늄합금으로 제작된 트로틀 바디의 경우에 적용되고 있는 냉각수통로를 삭제하여 트로틀 바디의 경량화 및 정비작업에 있어서의 편의성을 도모하였고, 회전공기의 유입으로 연비의 증대효과와 매연저감을 가져오게 하였다. 또한 폐기시 재활용이 용이하도록 함으로써 환경적인 측면에서도 잇점을 가질 수 있도록 한 것이 또 하나의 특징이다.
Patent KR-20000050089-A (KR)
Inventor: AHN BYOUNG IK
IPC: H04W4/02
Filed: 2000-05-15
Abstract: PURPOSE: A method for arranging date with use of the Internet is provided to determine couple candidates according to couple matching rate counted via data comparison after obtaining individuals' profiles, to perceive position of the couple candidates, using a cellular phone, and to determine the candidates as a couple finally by deciding that the candidates are matched, if the both candidates are located within a specific position. CONSTITUTION: A method for arranging date by use of the Internet, in the basis that the men/women holding cellular phones and subscriber number of the cellular phone, contains steps. The first step is to receive profiles included the cellular phone numbers of the clients and desired men/women' profiles, and to establish the received profiles as a profile database. The second step is to count couple matching rate via comparison of the profiles, and to decide couple candidates. The third step is to track position of the cellular phones which the couple candidates holds within a service area of the cellular phones. The fourth step is to determine couples finally according to distance between the candidates, and to supply the candidates that informing distance of dates corresponded to each candidate via the cellular phones.
Patent KR-20010106739-A (KR)
Inventor: LEE KYU SUN
Filed: 2000-05-23
Abstract: 본 발명은 대전 결과와 포인트 점수에 따라 게이머들 사이에 사이버 계급체계를 갖도록 함으로써 게이머들의 흥미를 유발시키고, 게임의 종류도 개인전, 단체전, 및 포인트대전으로 나누어 대전의 종류를 다양하게 하면서 게이머 컴퓨터의 회선속도를 체크함으로써 게이머가 대전에 참여시 알맞은 시스템 환경을 갖고 있는지를 객관적인 정보를 통보해주는 대전 게임의 랭킹 서비스 시스템과 그 방법 및 이의 기록매체를 제공하는데 그 목적이 있다. 
     본 발명에서 대전 게임의 랭킹 서비스 시스템은 컴퓨터 네트워크를 통해서 진행되는 온라인 게임의 랭킹을 알려주되, 회원 등록수단과, 게임서버에 연결시키는 접속수단과, 게이머들로부터 개인전, 단체전, 포인트 대전중에서 어느 하나를 신청받아서 게이머들 사이의 대진표를 생성하는 대진표작성수단과, 회원들 사이의 계급을 구분하는 사이버 계급장을 부여하는 포인트수단과, 상기 게이머의 컴퓨터 단말기의 회선 속도를 실시간으로 체크하는 회선속도 체크수단과, 상기 게이머의 랭킹을 표시하고 대전 결과를 통보하는 랭킹 및 대전결과 조회수단을 포함하는 웹 서버와, 메일 서버와, 랭킹 서버와, DB서버를 구비한다.
Patent KR-20010107008-A (KR)
Inventor: JUNG HO SEOK
IPC: H04M1/00
Filed: 2000-05-24
Abstract: 본 발명은 전화 접속시 상대 지역의 현지 시간을 알려주는 장치 및 방법에 관한 것이다.  유무선 전화기, 휴대용 전화기 또는 컴퓨터 시스템 등의 전화 통화를 하기 위한 전자 장치는 전화 번호 입력을 위한 다수의 키패드들을 구비하는 입력 장치와, 전화 통화를 위한 오디오 및 비디오 정보를 출력하는 출력 장치 및 전자 장치의 제반 동작을 제어하는 제어부를 포함한다.  저장 장치는 호출자 및 피호출자의 시차 정보 및/또는 전화 접속시 입력되는 전화 번호를 판별하고 호출자와 피호출자 간의 시차를 계산하기 위한 시차 계산 프로그램을 구비한다.  따라서 전화 통화 개시 전에 시차 정보 및/또는 시차 계산 프로그램을 이용하여 사용자에게 상대 지역의 현지 시간을 알려줌으로써 편리한 통신 환경을 제공한다.  이 때, 전자 장치는 오디오 또는 비디오 정보를 이용하여 사용자에게 상대 지역의 현지 시간을 알려준다.
Patent KR-20010007179-A (KR)
Title: Method of fabricating trench for soi merged logic dram
Inventor: MA WILLIAM HSIOH LIEN
IPC: H01L21/8242
Filed: 2000-06-02
Abstract: PURPOSE: High performance SOI merged logic DRAM devices are provided to etch deep trenches into an SOI substrate without etching through a buried oxide layer. CONSTITUTION: An SOI(Silicon-On-Insulator) substrate comprises a buried oxide layer and selected layers forming an array device and logic device. In a process for forming high performance SOI merged logic DRAM devices, first, an insulating layer is formed on the surface of the SOI substrate and a blockout photoresist pattern is formed on the insulating layer over the selected area of the logic device. Secondly, the insulating layer is etched in order to remove the insulating layer of the selected area of the array device and the SOI substrate is etched through the buried oxide layer in the selected area of the array device. Thirdly, the photoresist pattern disposed to the selected area of the logic device is removed and a silicon layer is formed to the etched area of the selected area of the array device. Thereafter, a deep trench mask pattern is formed to the selected area of the array device and the deep trench is etched into the selected area of the array device.
Patent KR-20010007324-A (KR)
Inventor: HASHIMOTO TAKESHI
IPC: G02B6/00
Filed: 2000-06-09
Abstract: PURPOSE: To provide a flat-panel display device having a frame thinned and narrowed without lowering luminescence. CONSTITUTION: This device includes a display panel 200 containing a display cell, a driving circuit connected to the display cell and a control circuit board connected to the driving circuit, and a surface light source 100 provided with a tubular light source disposed on one side of a light guiding plate. An acute angle of θ is made between the other side 137 adjacent to the one side of the light guiding plate 130 and the outgoing surface 133 of the light guiding plate 130, and the driving circuit or a part of the control circuit is correspondingly disposed in a space made by this acute angle.
Patent KR-20010113073-A (KR)
Inventor: HWANG KYU SERK
IPC: A01K61/00
Filed: 2000-06-16
Abstract: 본 발명은 부이튜브 클램프 및 작업 발판, 탄성 연결구로 구성되는 가두리 기본틀을 손쉽고, 용이하게 조립하여 부상시켜 상기 그물을 지지함과 아울러, 가두리 양식 작업자들이 신속하고 안전하게 양식 작업을 수행할 수 있도록 하며, 파도로 인한 충격등에 상기 가두리 기본틀이 파손되는 경우가 발생하지 않도록한 조립식 내파성 가두리장치에 관한 것으로 그 기술적인 구성은, 표면으로 다수의 구멍(1)이 형성되는 작업발판(2)의 하측으로 상기 작업발판(2)을 수면에서 부유시킬 수 있도록 양측에 부이튜브(7) 및 발판지지 파이프(9)가 내삽 고정되는 부이 클램프(10)가 설치되고, 상기 작업발판(2) 및 부이 클램프(10)로 부이튜브(7)가 고정되는 가두리 기본틀(21)는, 탄성 연결구(25)로서 연결토록 하는 것을 요지로 한다.
Patent KR-20010113118-A (KR)
Inventor: KIM HYUN KON
IPC: A44C27/00
Filed: 2000-06-16
Abstract: 본 발명은 신체의 외관적 장식효과를 높이기 위하여 치장을 하게 되는 목걸이의 펜던트, 귀걸이, 머리핀, 브로우치 등의 신변 장신구 중에서 금속 재질을 기본틀로 하여 인공 진주 등의 보석류가 결합된 형태의 장신구를 제조하는 방법에 있어서, 고품위의 제품 정도를 유지하면서 생산의 효율성을 높이고 신뢰성 있는 보석결합 상태를 유지할 수 있는 인공 진주가 결합된 장신구와 그 제조방법에 관한 것으로, 보석류가 결합된 금속 재질의 장신구를 제작함에 있어서 비교적 저렴한 재질인 인공 진주를 효과적으로 이용함으로써 장신구 본래의 심미적 기능을 만족시키면서도 제작 비용을 저감시키고, 인공 진주가 갖는 변색이 쉽게 된다는 단점을 은도금과 24시간 이상의 세라믹 코팅과정을 통하여 극복함으로써 변질을 최소한으로 하게 하여 장신구 자체의 수명을 향상시키고 항상 심미감을 유지할 수 있도록 하며, 인공 진주의 중심부에 유색 크리스탈을 배치함으로써 전체적 심미감에 포인트를 주는 효과를 얻을 수 있다.
Patent KR-20000054692-A (KR)
Inventor: CHOI CHANG SEOK
IPC: G06Q50/00
Filed: 2000-06-19
Abstract: PURPOSE: A device and method for building a virtual society by using a moon or planet, and providing internet services therein are provided so that netizens can be more familiar with the virtual society, by giving form to the virtual society by using the moon as a medium. CONSTITUTION: A device and method for building a virtual society by using a moon or planet, and providing internet services therein include a scenario part showing an entire flow(Fig.1), an animation part composing an introduction of the site(Fig.2), an important character part for each race(Fig.3), a geographic and administrative section part showing active spaces for citizens(Figs. 4,5), a homepage part which is a direct active space for the citizens(Fig.9), a virtual society embodiment software part(Fig.8), and a Linux server clustering part taking a charge of technical parts(Figs.6,7). The detailed parts of the homepage include citizen registration, sale of the moon in lots, joining administrators, cyber money, chatting, game, culture/leisure, treasure hunting, shopping, education, and dream realization.
Patent KR-20010113371-A (KR)
Inventor: JEE GYU IN
Filed: 2000-06-19
Abstract: 본 발명은 인터넷망을 이용한 DGPS와 RTK 서비스 시스템 및 그 제어방법에 관한 것으로, GPS 시간이 기록된 GPS 데이터를 일정 간격으로 저장하며 RTCM 메시지를 생성하고, 사용자의 후처리 데이터 요구에 대비해서 GPS 데이터를 일정 간격으로 저장하여 서버로 전송하며, 사용자의 요구로 네트워크를 통해 기준국 시스템과 연결 설정될 때 가용한 사용자인지를 확인한 후, 사용자에 의해 실시간 전송 또는 후처리 데이터 전송 중 원하는 데이터 전송 유형이 설정되었을 때 HTTP 서버 또는 RTP 서버를 통해 데이터를 전송 보정함으로써, 사용자는 GPS 수신기의 데이터를 저장, 처리, 분석 및 인지하기 위해서 모빌 컴퓨터를 가지고 있으면 별도의 장비 없이 자신의 위치에서 인터넷에 접속할 수 있으며, 기존의 이동통신과 차세대 이동통신(IMT-2000) 등에서 제공이 예상되는 가입자 위치정보(위도, 경도, 고도) 결정 방법에 응용이 가능할 뿐만 아니라 웹브라우저를 가지고 있는 PDA에서 사용자의 위치정보를 실시간으로 인지할 수 있게 된다.
Patent KR-20010039672-A (KR)
Title: Cold cleaning compositions of the microemulsions type
Inventor: BROCHETTE PASCAL
IPC: C11D1/12
Filed: 2000-06-21
Abstract: PURPOSE: A detergent composition comprising water, an organic solvent that is liquid at room temperature, and at least one of surfactant is provided to form stable microemulsion at room temperature. CONSTITUTION: The detergent composition comprises 30-70 pts.wt. of water (A), 20-60 pts.wt. of an organic solvent (B), and 5-30 pts.wt of at least one of surfactant (C), wherein (A)+(B)+(C) is 100 pts.wt. The organic solvent of the component (B) is selected from aliphatic alcohols, aliphatic esters or the like, and the surfactant (C) is selected from compounds represented by the formula: £R1 and R2 are each a straight or branched chain 5-20C alkyl; M is a cation selected from Na+, K+ and NR4+ (R is H or a 1-4C alkyl group)|.
Patent KR-20020003905-A (KR)
Title: A service methode and system of public notice use internet
Inventor: KIM NAM SUK
Filed: 2000-06-22
Abstract: PURPOSE: A method and an apparatus for providing an advertising using the Internet are provided to increase the effectiveness of an advertisement by enabling a client connecting to a site to answer questions requested by an advertiser, and by enabling the advertiser and the client to make profit at an inexpensive price. CONSTITUTION: A user is connected to a web host server through a computer network(ST201). An advertisement relay server transmits a web document of a homepage to the user through the network. The homepage is displayed to a web browser(ST202). The user is requested to input an ID and a password(ST203). In case that the user isn't a member, the user registers an ID and a password including personal information(ST204). The information on the member is transmitted and stored in a user management database(ST205). The ID registered by the user is transmitted to a CGI(Common Gateway Interface) or an ASP(Attached Support Processor)(ST206). The advertisement relay server transmits a main web page to the user(ST207). The user clicks a window for selecting a banner or a moving picture advertisement(ST208). A relevant advertisement selected by the user is transmitted(ST209). An advertisement data and question database transmits questions(ST210). The advertisement data and question database transmits results of answers to the questions to the user management database(ST211). The data and question database transmits items relevant to the results to the user management database(ST212). The main page is displayed. According to that, incentive for the user is accumulated(ST213). The user performs a log-out(ST214).
Patent KR-20010049676-A (KR)
Title: Erythropoietin conjugates
Inventor: BAILON PASCAL SEBASTIAN
IPC: A61K47/48
Filed: 2000-06-30
Abstract: PURPOSE: To obtain a new erythropoietin compound having high in vivo bioactivity and useful for the therapy and/or prophylaxis of anemia, or the like, of chronic renal failure patients. CONSTITUTION: This new erythropoietin compound is a complex containing an erythropoietin glyco-protein having at least one free amino group, having an in vivo bioactivity increasing the production of reticullocyte, or the like, in myeloid cells and selected from human erythropoietin, or the like. The above glyco-protein is combined through a covalent bond with an 'n' polyethylene glycol group of the formula CO-(CH2)x-(OCH2CH2)m-OR (R is a lower alkyl; X is 2 or 3; (m) is about 450-900 and (n) is 1 to 3 with the proviso that (m) and (n) are selected in such a way that a difference in mol.wt. between the complex and the erythropoietin glyco-protein is 20-100 kDa). CO of each polyethylene glycol group is combined with one of amino groups mentioned above to form an amide linkage in the complex. The new compound is obtained by the condensation reaction of a compound of the formula with the erythropoietin glyco-protein.
Patent KR-20020002891-A (KR)
Title: Method for forming micro-pattern of semiconductor device
Inventor: HONG SEONG EUN
IPC: G03F7/11
Filed: 2000-06-30
Abstract: PURPOSE: A method for forming a fine pattern of a semiconductor device is provided to prevent defects of a photoresist pattern, such as undercut or footing, caused by inter-mixing between an organic bottom anti-reflective coating layer and a photoresist layer. CONSTITUTION: The organic bottom anti-reflective coating layer(120) is formed on a semiconductor substrate(100) and hard-baked. Next, by performing hardening process such as ion implantation or E-beam curing, a carbonized layer(120') is formed on a surface of the organic bottom anti-reflective coating layer(120). The photoresist layer is then coated on the carbonized layer(120') and soft-baked. Next, the photoresist pattern(140') is formed by performing exposure and development process to the substrate(100) coated with the photoresist layer. Here, the carbonized layer(120') prevents the inter-mixing between the organic anti-reflective coating layer(120) and the photoresist layer. Thereafter, a resultant structure is cleaned.
Patent KR-20020004095-A (KR)
Title: electrodes treated to be magnetized and methods for the same
Inventor: BANG KYUNG BAE
IPC: H01M4/134
Filed: 2000-07-01
Abstract: PURPOSE: Provided is a magnetized electrode for improving the diffusion of reactants and the velocity of a reaction and preventing the generation of catalyst poison, which is produced by dispersing fine magnetic material on an electrode. CONSTITUTION: The magnetized electrode is produced by a process comprising the steps of: preparing a dispersed solution by using iron oxide or samarium cobalt or neodymium, wherein the iron oxide, the samarium cobalt, and the neodymium are coated with a polystyrene thin film or silane; mixing the dispersed solution, 20wt% of Pt/C powder, 5% nafion water solution, water, and glycerol to produce a catalyst solution; spreading the catalyst solution on carbon cloth and drying. And the produced electrode contains 0.1-0.2mg/cm¬2 of magnetic powder.
Patent KR-20010015328-A (KR)
Title: Composite operational display unit for vehicle instrument panel
Inventor: KUMAZAWA KATSUHIRO
IPC: B60K37/02
Filed: 2000-07-13
Abstract: PURPOSE: A composite display device is provided to enhance the assembling property and the replaceability of a display or the like by a method wherein a second display which can see through a first display is arranged on the surface side of the first display, and a driving device for the second display is provided at an annular facing plate which is assembled from the surface side of the second display. CONSTITUTION: A speedometer(S), a tachometer, a gage and a warning device are provided at this display device. For example, a driving device(20), a dial(30) and a pointer(40) are provided at the speedometer(S). The dial(30) is constituted in such a way that an arcuate display pattern(31) is elevated in an inclined shape toward the surface side from its central part(32). The dial(30) is illuminated in such a way that light is incident through a light guiding plate, installed along the rear of the dial(30), from a cold cathode-ray tube which is supported inside a casing(10). The pointer(40) is supported by the tip of a pointer shaft(22) which passes the through hole of the dial(30). In addition, the speedometer(S) is provided with an electroluminescence(EL) panel(50) which is supported in parallel to the dial(30) inside an annular facting plate(60). The EL panel(50) digitally displays a vehicle speed on the inner circumferential side of the graduation part(31) on the dial(30).
Patent KR-20020007052-A (KR)
Title: Virtual Reality shopping mall system
Inventor: YOON SE JIN
Filed: 2000-07-15
Abstract: PURPOSE: A three-dimensional cyber shopping mall system is provided to create character through a generating program therefor in a three-dimensional cyber space on a communication network such as Internet. CONSTITUTION: The three-dimensional cyber shopping mall system consists of a network(10) for data communication through communication among plural clients, a plurality of client PCs(20) including web browsers for EC(Electronic Commerce) through the network, outputting log-in data inputted by each client if the clients select an EC mode, displaying EC data of a three-dimensional cyber shopping mall on a monitor, and outputting question data and product-buying data inputted by each client to outside; and an EC web server(30) constructing EC of three-dimensional cyber shopping mall type for each client to enjoy shopping by providing product data to the clients, deciding the identity of each client through log-in data inputted by the client, providing EC data constructed to a three-dimensional cyber shopping mall to the clients, and buying products through online according to the buying data of the clients.
Patent KR-20020016413-A (KR)
Inventor: JUN GWANG JO
IPC: G03B33/12
Filed: 2000-08-25
Abstract: PURPOSE: An optical projection engine for a monitor is provided to reduce size and weight and to be applied to a rear projection monitor suitable for a high resolution, large-sized screen. CONSTITUTION: An optical projection engine for a monitor comprises a lamp consisting of a bulb to emit a light and a reflector to reflect the light emitted from the bulb, a heat glass to remove the regions of ultraviolet rays and infrared rays except the region of visible rays, a light pipe to make uniform the intensity of the light passing the heat glass, a relay lens to focus the light on a desired position, a mirror to change the path of the light, a polarizer to remove a polarized light of wave P or S, a retarder foil to rotate the light of a specific wavelength zone opposite to an incident light and output the rotated light, a color corner to split a light and output the split light to respective LCD(Liquid Crystal Display), and a projection lens to project an image reflected on the LCD on a screen without distortion.