KR900016777A - LCD Projector for Rear Projection - Google Patents

LCD Projector for Rear Projection Download PDF

Info

Publication number
KR900016777A
KR900016777A KR1019890005676A KR890005676A KR900016777A KR 900016777 A KR900016777 A KR 900016777A KR 1019890005676 A KR1019890005676 A KR 1019890005676A KR 890005676 A KR890005676 A KR 890005676A KR 900016777 A KR900016777 A KR 900016777A
Authority
KR
South Korea
Prior art keywords
liquid crystal
projection
crystal panel
projector
rear projection
Prior art date
Application number
KR1019890005676A
Other languages
Korean (ko)
Other versions
KR0141836B1 (en
Inventor
박홍철
Original Assignee
이헌조
주식회사 금성사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 이헌조, 주식회사 금성사 filed Critical 이헌조
Priority to KR1019890005676A priority Critical patent/KR0141836B1/en
Publication of KR900016777A publication Critical patent/KR900016777A/en
Application granted granted Critical
Publication of KR0141836B1 publication Critical patent/KR0141836B1/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)

Abstract

내용 없음.No content.

Description

리어프로젝션용 액정프로젝터LCD Projector for Rear Projection

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명 리어프로젝션용 액정프로젝터에 있어서, 1미러를 이용한 액정프로젝터의 예시도,1 is an illustration of a liquid crystal projector using one mirror in the liquid crystal projector for rear projection of the present invention;

제2도는 본 발명 리어프로젝션용 액정프로젝터에 있어서, 2미러를 이용한 액정프로젝터의 예시도.2 is an exemplary view of a liquid crystal projector using two mirrors in the liquid crystal projector for rear projection according to the present invention.

Claims (4)

TV 영상을 투사하여 디형화면을 형성하도록한 프로젝터 TV에 있어서, 액정판넬(4)을 TV 이미지 디스플레이어로 사용하여 스크린(1)의 뒷면측에서 프로젝션렌즈(3)를 통해 영상을 투사하며, 상기 프로젝션렌즈(3)와 스크린(1)사이에 1개 이상의 미러를 사용하여 광선의 경로를 꺽어주고, 상기 액정판넬(4)의 뒷면에서 조명계(5)를 형성하여 조명을 공급하는 것을 특징으로 하는 리어프로젝션용 액정 프로젝터.In a projector TV configured to project a TV image to form a dimmed screen, the image is projected through the projection lens 3 on the rear side of the screen 1 using the liquid crystal panel 4 as a TV image display, and the projection Rear, characterized in that to use one or more mirrors between the lens (3) and the screen (1) to break the path of the light beam, and to provide illumination by forming the illumination system (5) on the back of the liquid crystal panel (4) Liquid crystal projector for projection. 제1항에 있어서, 상기 조명계(5)에 1개의 백미러(11), 1개의 램프(12), 1판 이상의 렌즈로 된 집속렌즈(12)를 그 구성요소로 포함하는 것을 특징으로 하는 리어프로젝션용 액정프로젝터.2. Rear projection according to claim 1, characterized in that the illumination system (5) comprises a focusing lens (12) consisting of one rearview mirror (11), one lamp (12), and one or more lenses as its components. LCD Projector 제1항 또는 제2항에 있어서, 상기 집속렌즈(13)와 액정판넬(3)사이에 적외선필터와 1판이상의 디퓨저를 삽입한 것을 특징으로 하는 리어프로젝션용 액정르프젝터.The rear projection liquid crystal projector according to claim 1 or 2, wherein an infrared filter and at least one diffuser are inserted between the focusing lens (13) and the liquid crystal panel (3). 제1항 또는 제2항에 있어서, 상기 집속렌즈(13)와 액정판넬(3)사이에 1판이상의 디퓨저를 삽입하고 상기 디퓨저의 한면에 적외선반사코팅을 한 것을 특징으로 하는 리어프로젝션용 액정프로젝터.The rear projection liquid crystal projector according to claim 1 or 2, wherein at least one diffuser is inserted between the focusing lens (13) and the liquid crystal panel (3) and infrared reflection coating is applied to one surface of the diffuser. . ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890005676A 1989-04-28 1989-04-28 Lcd projector for rear projection KR0141836B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890005676A KR0141836B1 (en) 1989-04-28 1989-04-28 Lcd projector for rear projection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890005676A KR0141836B1 (en) 1989-04-28 1989-04-28 Lcd projector for rear projection

Publications (2)

Publication Number Publication Date
KR900016777A true KR900016777A (en) 1990-11-14
KR0141836B1 KR0141836B1 (en) 1998-08-17

Family

ID=19285715

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890005676A KR0141836B1 (en) 1989-04-28 1989-04-28 Lcd projector for rear projection

Country Status (1)

Country Link
KR (1) KR0141836B1 (en)

Also Published As

Publication number Publication date
KR0141836B1 (en) 1998-08-17

Similar Documents

Publication Publication Date Title
KR910021147A (en) LCD projector optical system
EP0989449A3 (en) Optical system for rear projection picture display apparatus
JPS6313019A (en) Liquid crystal display device
KR900017835A (en) Daytime high brightness and nighttime high contrast automatic head-up display
KR950006532A (en) Overhead projector
ATE203867T1 (en) CONTRAST IMPROVEMENT IN IMAGE PROJECTORS WITH LIQUID CRYSTAL LIGHT VALVE
KR950001339A (en) LCD Projector with Image Monitor
KR900016777A (en) LCD Projector for Rear Projection
KR960020463A (en) Rear Projection Projector
KR960032033A (en) Wide control device and image projector using the same
KR900016779A (en) LCD Projector
KR970019542A (en) Front and rear liquid crystal projectors and projection methods
KR960028369A (en) Multifunction projector
JP2678863B2 (en) Image projection device
KR960039935A (en) Rear Projection Projector
KR900014910A (en) LCD Projector Optics
KR960028374A (en) Projector with Reflective PD Panel
KR970057665A (en) Rear projection type liquid crystal projector
JPS5461527A (en) Projector
KR930023762A (en) 2-panel projection display
KR920007458A (en) LCD Projector Using Polarization Rotation
KR970016921A (en) Notebook PC with Projection Display
KR970012275A (en) LCD Project Device
KR910013917A (en) Optical Mechanism of LCD Projector Using Two Light Sources
KR940020820A (en) LCD Projector

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20001228

Year of fee payment: 4

LAPS Lapse due to unpaid annual fee