KR930013822A - 투사형 lcd의 다색시스템 - Google Patents

투사형 lcd의 다색시스템 Download PDF

Info

Publication number
KR930013822A
KR930013822A KR1019910025223A KR910025223A KR930013822A KR 930013822 A KR930013822 A KR 930013822A KR 1019910025223 A KR1019910025223 A KR 1019910025223A KR 910025223 A KR910025223 A KR 910025223A KR 930013822 A KR930013822 A KR 930013822A
Authority
KR
South Korea
Prior art keywords
shutter
light
lcd according
period
projection
Prior art date
Application number
KR1019910025223A
Other languages
English (en)
Other versions
KR940004306B1 (ko
Inventor
이종천
Original Assignee
김정배
삼성전관 주식회사
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 김정배, 삼성전관 주식회사 filed Critical 김정배
Priority to KR1019910025223A priority Critical patent/KR940004306B1/ko
Priority to GB9224593A priority patent/GB2263185B/en
Priority to US07/981,861 priority patent/US5287131A/en
Priority to DE4242287A priority patent/DE4242287A1/de
Priority to JP4355444A priority patent/JPH05257118A/ja
Publication of KR930013822A publication Critical patent/KR930013822A/ko
Application granted granted Critical
Publication of KR940004306B1 publication Critical patent/KR940004306B1/ko

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3111—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3607—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0235—Field-sequential colour display

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)

Abstract

내용 없음

Description

투사형 LCD의 다색시스템
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 이 발명에 따른 LCD의 칼라화 장치의 개략 단면도.
제2도는 이 발명에 따른 광셔터겸용 필터의 단면도.
제3도는 종래 투사형 LCD의 개략 단면도.
* 도면의 주요부분에 대한 부호의 설명
2 : 분산렌즈 3 : LCD패널
4, 5, 6 : 광학필터 7 : 광원
9 : 광셔터 21 : 렌즈
90 : 광필터겸용 셔터

Claims (6)

  1. 복수의 광원(7), 상기 각각의 광원에서 조사되는 빛을 집속하는 복수의 렌즈(21), 상기 렌즈의 전면으로 각각의 칼라로 이루어진 광학필터(4,5,6) 그리고 이것의 전면으로 설치되어 LCD 스크린과 전원으로 연결되어 있는 광셔터(9), 그리고 분산렌즈(2)와 상기한 구성들과 일정거리로 떨어져 스크린 역할을 하는 LCD(3)로 구성됨을 특징으로 하는 투사형 LCD의 다색화 시스템.
  2. 제1항에 있어서, 상기 칼라의 단색광이 상기 광셔터(9)에 의해서 1/3t 주기로 순차적으로 조사됨을 특징으로 하는 투사형 LCD의 다색화 시스템.
  3. 제1항에 있어서, 상기 광원(7)에서 조사되는 단색광의 밝기를 전원에 의해 개별적으로 조절할 수 있음을 특징으로 하는 투사형 LCD의 다색화 시스템.
  4. 제1항에 있어서, 상기 광셔터에 필터를 부착하여 광필터겸용 셔터(9)를 사용할 수 있음을 특징으로하는 투사형 LCD의 칼라화 시스템.
  5. 제4항에 있어서, 광필터겸용 셔터(90)의 단색광원 통과부(91)와 광차단부(92)의 면적은 이것의 주기와 비례함을 이룸을 특징으로 하는 투사형 LCD의 다색화 시스템.
  6. 제5항에 있어서, 상기 광필터겸용 셔터(90)가 t의 주기를 갖고 회전하면서 단색광원 통과부의 주기는 이것이 차지하는 면적과 비례함을 특징으로 하는 투사형 LCD의 칼라화 시스템.
    ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
KR1019910025223A 1991-12-30 1991-12-30 투사형 lcd의 다색시스템 KR940004306B1 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1019910025223A KR940004306B1 (ko) 1991-12-30 1991-12-30 투사형 lcd의 다색시스템
GB9224593A GB2263185B (en) 1991-12-30 1992-11-23 Colour LCD system of projection type
US07/981,861 US5287131A (en) 1991-12-30 1992-11-25 Color LCD system of projection type
DE4242287A DE4242287A1 (ko) 1991-12-30 1992-12-15
JP4355444A JPH05257118A (ja) 1991-12-30 1992-12-21 投写型カラー液晶表示システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910025223A KR940004306B1 (ko) 1991-12-30 1991-12-30 투사형 lcd의 다색시스템

Publications (2)

Publication Number Publication Date
KR930013822A true KR930013822A (ko) 1993-07-22
KR940004306B1 KR940004306B1 (ko) 1994-05-19

Family

ID=19326742

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910025223A KR940004306B1 (ko) 1991-12-30 1991-12-30 투사형 lcd의 다색시스템

Country Status (5)

Country Link
US (1) US5287131A (ko)
JP (1) JPH05257118A (ko)
KR (1) KR940004306B1 (ko)
DE (1) DE4242287A1 (ko)
GB (1) GB2263185B (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100330172B1 (ko) * 1999-07-29 2002-03-28 윤종용 Ｌｃｄ프로젝션시스템의 명암대비개선장치
KR100738067B1 (ko) * 2004-04-28 2007-07-10 삼성전자주식회사 광셔터와 이를 채용한 광주사장치

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10500535A (ja) * 1994-10-11 1998-01-13 インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン 複数の波長で光を発生するための発光ダイオードのモノリシック・アレイ及びそれをマルチカラー・デイスプレイに応用するための使用方法
US5632545A (en) * 1996-07-26 1997-05-27 Lextron Systems, Inc. Enhanced video projection system
US6161133A (en) 1998-10-19 2000-12-12 Lexton Systems, Inc. Method and apparatus for configuration of an internet appliance
US6603762B1 (en) 1999-03-12 2003-08-05 Lextron Systems, Inc. System for controlling processing of data passing through network gateway between two disparate communications network
KR100699159B1 (ko) * 2005-06-02 2007-03-22 엘지전자 주식회사 프로젝션 시스템
US7722190B2 (en) * 2005-08-17 2010-05-25 Hewlett-Packard Development Company, L.P. Projecting a luminance image
KR101620914B1 (ko) * 2009-07-02 2016-05-17 삼성전자주식회사 광학 시스템
EP4125306A1 (en) * 2021-07-30 2023-02-01 Infineon Technologies AG Illumination device for an optical sensor, optical sensor and method for controlling an illumination device

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4090219A (en) * 1974-12-09 1978-05-16 Hughes Aircraft Company Liquid crystal sequential color display
US4368963A (en) * 1978-06-29 1983-01-18 Michael Stolov Multicolor image or picture projecting system using electronically controlled slides
FI73325C (fi) * 1985-03-05 1987-09-10 Elkoteade Ag Foerfarande foer alstring av individuellt reglerbara bildelement och pao dessa baserad faergdisplay.
US4720706A (en) * 1985-08-26 1988-01-19 Stine Edward V Method and apparatus for electro-optical color imaging
JPS62208026A (ja) * 1986-03-10 1987-09-12 Kawasaki Heavy Ind Ltd 時分割カラ−光源
JPS63282716A (ja) * 1987-05-14 1988-11-18 Seiko Epson Corp 液晶表示装置
US4928123A (en) * 1987-06-16 1990-05-22 Sharp Kabushiki Kaisha Projection type liquid crystal display device
JPH01209482A (ja) * 1988-02-18 1989-08-23 Kawasaki Heavy Ind Ltd 液晶画像投影機構
JPH0830848B2 (ja) * 1988-04-15 1996-03-27 株式会社日立製作所 マルチスクリーンプロジェクタ
GB2218842A (en) * 1988-05-18 1989-11-22 Stc Plc Liquid crystal cell addressing
JP2792875B2 (ja) * 1988-12-22 1998-09-03 シャープ株式会社 液晶カラープリンタ
JP2726294B2 (ja) * 1989-01-06 1998-03-11 株式会社日立製作所 液晶パネル式投写形ディスプレイ
US5022750A (en) * 1989-08-11 1991-06-11 Raf Electronics Corp. Active matrix reflective projection system
JPH03175436A (ja) * 1989-12-05 1991-07-30 Matsushita Electric Ind Co Ltd カラー画像投写装置と、その液晶表示装置
GB9020892D0 (en) * 1990-09-25 1990-11-07 Emi Plc Thorn Improvements in or relating to display devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100330172B1 (ko) * 1999-07-29 2002-03-28 윤종용 Ｌｃｄ프로젝션시스템의 명암대비개선장치
KR100738067B1 (ko) * 2004-04-28 2007-07-10 삼성전자주식회사 광셔터와 이를 채용한 광주사장치

Also Published As

Publication number Publication date
KR940004306B1 (ko) 1994-05-19
GB9224593D0 (en) 1993-01-13
GB2263185B (en) 1996-03-06
GB2263185A (en) 1993-07-14
US5287131A (en) 1994-02-15
JPH05257118A (ja) 1993-10-08
DE4242287A1 (ko) 1993-07-01

Similar Documents

Publication Publication Date Title
ATE173123T1 (de) Flüssigkristallprojektor
EP1351523A3 (en) System for enhancing the quality of an image
RU94006803A (ru) Проекционная телевизионная система
KR960015068A (ko) 투영형 칼라 표시 장치
KR930013822A (ko) 투사형 lcd의 다색시스템
GB1472788A (en) Light source of adjustable colour
DE3785922D1 (de) Bildprojektionssystem.
JPS5737990A (en) Projection type color picture display device
KR950024538A (ko) 투사형 화상표시장치
US1808743A (en) Method of modifying photographs by printing
KR950702779A (ko) 칼라 표시 장치 (Colour display device)
ES2057479T3 (es) Sistema optico de reproduccion de imagenes de video en colores.
US4080624A (en) Optical color-separation system for use in a color television camera
JPS56144176A (en) Display device
JPS54111846A (en) Light valve type projector
KR940009161B1 (ko) 단일모드 lcd의 컬러화 방법과 그 장치
KR960024696A (ko) 노광장치(露光裝置)
US3615425A (en) Method of making a color photographic print from a color transparency or the like
GB1373649A (en) Luminance distribution photometers
JPH0830859B2 (ja) 液晶プロジェクター用光源
JPS53138326A (en) Projector
KR950001338A (ko) 단패널식 액정프로젝터
KR920013530A (ko) 칼라음극선관의 형광면 노광장치
KR920001952A (ko) 투사형 텔레비젼장치
JPS5319756A (en) Exposing method for fluorescent screen of color picture tube

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20110502

Year of fee payment: 18

EXPY Expiration of term