KR930013822A - 투사형 lcd의 다색시스템 - Google Patents
투사형 lcd의 다색시스템 Download PDFInfo
- 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
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
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)
- 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.
- 제1항에 있어서, 상기 칼라의 단색광이 상기 광셔터(9)에 의해서 1/3t 주기로 순차적으로 조사됨을 특징으로 하는 투사형 LCD의 다색화 시스템.
- 제1항에 있어서, 상기 광원(7)에서 조사되는 단색광의 밝기를 전원에 의해 개별적으로 조절할 수 있음을 특징으로 하는 투사형 LCD의 다색화 시스템.
- 제1항에 있어서, 상기 광셔터에 필터를 부착하여 광필터겸용 셔터(9)를 사용할 수 있음을 특징으로하는 투사형 LCD의 칼라화 시스템.
- 제4항에 있어서, 광필터겸용 셔터(90)의 단색광원 통과부(91)와 광차단부(92)의 면적은 이것의 주기와 비례함을 이룸을 특징으로 하는 투사형 LCD의 다색화 시스템.
- 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.
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)
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)
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)
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 |
-
1991
- 1991-12-30 KR KR1019910025223A patent/KR940004306B1/ko not_active IP Right Cessation
-
1992
- 1992-11-23 GB GB9224593A patent/GB2263185B/en not_active Expired - Fee Related
- 1992-11-25 US US07/981,861 patent/US5287131A/en not_active Expired - Lifetime
- 1992-12-15 DE DE4242287A patent/DE4242287A1/de not_active Ceased
- 1992-12-21 JP JP4355444A patent/JPH05257118A/ja active Pending
Cited By (2)
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 |
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