KR100489629B1 - 광학공간변조장치및화상표시장치 - Google Patents
광학공간변조장치및화상표시장치 Download PDFInfo
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- KR100489629B1 KR100489629B1 KR10-1998-0023990A KR19980023990A KR100489629B1 KR 100489629 B1 KR100489629 B1 KR 100489629B1 KR 19980023990 A KR19980023990 A KR 19980023990A KR 100489629 B1 KR100489629 B1 KR 100489629B1
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- 239000004973 liquid crystal related substance Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 25
- 239000005262 ferroelectric liquid crystals (FLCs) Substances 0.000 claims description 14
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- 238000006386 neutralization reaction Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 description 2
- 239000004988 Nematic liquid crystal Substances 0.000 description 2
- 239000004983 Polymer Dispersed Liquid Crystal Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 206010010305 Confusional state Diseases 0.000 description 1
- 239000005264 High molar mass liquid crystal Substances 0.000 description 1
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Classifications
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- 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]
- H04N9/3197—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using light modulating optical valves
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- 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
- G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
- G09G3/002—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background to project the image of a two-dimensional display, such as an array of light emitting or modulating elements or a CRT
-
- 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
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
-
- 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
-
- 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]
- H04N9/3141—Constructional details thereof
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
-
- 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
- G09G2310/0237—Switching ON and OFF the backlight within one frame
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- 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
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Liquid Crystal (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
Description
Claims (13)
- 복수의 화소로 구성되고, 상기 화소 각각에 대하여 조사(照射)된 광을 표시될 화상의 화소 데이터에 따라 변조하는 데 사용되는 상기 화소 각각에 대한 광학 공간 변조 장치에 있어서,표시될 화상의 화소 데이터를 기억하는 제1 메모리와,상기 제1 메모리에 기억된 화소 데이터가 전달되는 제2 메모리와,상기 제2 메모리에 전달된 화소 데이터에 따라 구동 수단과 결합된 화소의 상태를 변화시키는 상기 구동 수단을 추가로 포함하고,상기 화상을 구성하는 모든 화소 각각에 대응하는 상기 제1 메모리 내에 화소 데이터를 기억하고,상기 화소 데이터를 상기 제1 메모리로부터 상기 제2 메모리로 전달하고,상기 제2 메모리에 전달된 상기 화소 데이터에 따라 상기 화소에 대응하는 상기 구동 수단을 사용함으로써 상기 화소 각각의 상태를 변화시키는 것을 특징으로 하는 광학 공간 변조 장치.
- 제1항에 있어서,상기 화소 각각은 상기 화소의 상기 구동 수단에 의해 행해진 제어에 의하여, 광투과율, 광반사율 또는 편광 상태를 가진 제1 상태, 또는 상기 제1 상태와 상이한 광투과율, 광반사율 또는 편광 상태를 가진 제2 상태로 될 수 있는 것을 특징으로 하는 광학 공간 변조 장치.
- 제1항에 있어서,상기 화소 모두에 대한 상기 구동 수단이 상기 화소 모두의 상태를 일괄 처리(batch) 동작으로 변화시키는 것을 특징으로 하는 광학 공간 변조 장치.
- 제1항에 있어서,상기 화소 모두에 대한 상기 구동 수단이 상기 화소 모두의 상태를 소정 간격으로 변화시키는 것을 특징으로 하는 광학 공간 변조 장치.
- 제1항에 있어서,표시된 화상을 변화시키는 동작에 있어서, 먼저 상기 화소 모두에 대한 상기 구동 수단이 상기 표시된 화상을 지움으로써 상기 화소 모두를 초기 상태로 하고, 다음에 신규로 표시될 화상에 따라 상기 화소의 상태를 변화시키는 것을 특징으로 하는 광학 공간 변조 장치.
- 제1항에 있어서,표시된 화상을 변화시키는 동작에 있어서, 변화가 필요한 화소의 상태만이 상기 구동 수단에 의하여 변화되는 것을 특징으로 하는 광학 공간 변조 장치.
- 제6항에 있어서,상기 화소 각각에 대한 상기 광학 공간 변조 장치는,상기 표시된 화상을 변화시키는 상기 동작 전에, 상기 표시된 화상의 화소 각각의 상태가, 신규로 표시될 상기 화상의 상기 화소의 상태와 동일한가의 여부의 판정을 수행하는 판정 수행 수단과,상기 판정 수행 수단에 의하여 형성된 상기 판정의 결과를 기억하는 제3 메모리를 포함하는 것을 특징으로 하는 광학 공간 변조 장치.
- 제7항에 있어서,표시된 화상을 변화시키는 동작에 있어서, 변화가 필요한 화소의 상태만이 상기 제3 메모리에 기억된 상기 판정의 결과에 따라 상기 구동 수단에 의하여 변화되는 것을 특징으로 하는 광학 공간 변조 장치.
- 제1항에 있어서,상기 화소 각각은 액정 물질을 사용하고, 상기 액정 물질의 상태를 변화시킴으로써, 상기 화소의 광투과율, 광반사율 또는 편광 상태가 변화될 수 있는 것을 특징으로 하는 광학 공간 변조 장치.
- 제9항에 있어서,상기 액정 물질은 상태 기억 특성 모드를 가지는 액정 물질인 것을 특징으로 하는 광학 공간 변조 장치.
- 제10항에 있어서,상기 액정 물질은 강유전성 액정 물질 또는 폴리머 확산 액정 물질인 것을 특징으로 하는 광학 공간 변조 장치.
- 제1항에 있어서,상기 화소 각각은 변화된 광투과율, 광반사율 또는 편광 상태를 가진 상태를 기억할 수 있는 것을 특징으로 하는 광학 공간 변조 장치.
- 광을 조사하는 광원 및 복수의 화소로 구성되고, 상기 화소 각각에 대하여 상기 광원에 의하여 조사된 상기 광을 표시될 화상의 화소 데이터에 따라 변조하는 데 사용되는 광학 공간 변조 장치를 포함하는 화상 표시 장치에 있어서,상기 화소 각각에 대한 상기 광학 공간 변조 장치는,표시될 화상의 화소 데이터를 기억하는 제1 메모리와,상기 제1 메모리에 기억된 화소 데이터가 전달되는 제2 메모리와,상기 제2 메모리에 전달된 화소 데이터에 따라 구동 수단과 결합된 화소의 상태를 변화시키는 상기 구동 수단을 추가로 포함하고,화상을 표시하는 동작은 상기 화상을 구성하는 모든 화소 각각에 대응하는 상기 제1 메모리 내에 화소 데이터를 기억하고,상기 화소 데이터를 상기 제1 메모리로부터 상기 제2 메모리로 전달하고,상기 제2 메모리에 전달된 상기 화소 데이터에 따라 상기 화소에 대응하는 상기 구동 수단을 사용함으로써 상기 화소 각각의 상태를 변화시키는 것을 포함하는 것을 특징으로 하는 화상 표시 장치.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP97-169195 | 1997-06-25 | ||
JP16919597 | 1997-06-25 | ||
JP98-94877 | 1998-04-07 | ||
JP09487798A JP3900663B2 (ja) | 1997-06-25 | 1998-04-07 | 光学空間変調素子及び画像表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990007304A KR19990007304A (ko) | 1999-01-25 |
KR100489629B1 true KR100489629B1 (ko) | 2005-11-11 |
Family
ID=26436113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1998-0023990A Expired - Lifetime KR100489629B1 (ko) | 1997-06-25 | 1998-06-24 | 광학공간변조장치및화상표시장치 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6326942B1 (ko) |
EP (1) | EP0887786B1 (ko) |
JP (1) | JP3900663B2 (ko) |
KR (1) | KR100489629B1 (ko) |
CN (1) | CN1146852C (ko) |
DE (1) | DE69807603T2 (ko) |
Families Citing this family (15)
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JP3697997B2 (ja) * | 2000-02-18 | 2005-09-21 | ソニー株式会社 | 画像表示装置と階調補正データ作成方法 |
JP3705086B2 (ja) * | 2000-07-03 | 2005-10-12 | 株式会社日立製作所 | 液晶表示装置 |
US6992652B2 (en) * | 2000-08-08 | 2006-01-31 | Semiconductor Energy Laboratory Co., Ltd. | Liquid crystal display device and driving method thereof |
JP3796654B2 (ja) | 2001-02-28 | 2006-07-12 | 株式会社日立製作所 | 表示装置 |
JP3767737B2 (ja) | 2001-10-25 | 2006-04-19 | シャープ株式会社 | 表示素子およびその階調駆動方法 |
US9530363B2 (en) | 2001-11-20 | 2016-12-27 | E Ink Corporation | Methods and apparatus for driving electro-optic displays |
US9412314B2 (en) | 2001-11-20 | 2016-08-09 | E Ink Corporation | Methods for driving electro-optic displays |
US10726798B2 (en) | 2003-03-31 | 2020-07-28 | E Ink Corporation | Methods for operating electro-optic displays |
JP4560275B2 (ja) * | 2003-04-04 | 2010-10-13 | 株式会社半導体エネルギー研究所 | アクティブマトリクス型表示装置とその駆動方法 |
WO2005006290A1 (en) * | 2003-06-30 | 2005-01-20 | E Ink Corporation | Methods for driving electro-optic displays |
US7439965B2 (en) * | 2004-03-05 | 2008-10-21 | Anderson Daryl E | Method for driving display device |
US7705842B2 (en) * | 2006-01-11 | 2010-04-27 | Microsoft Corporation | Fast display initialization and light up |
JP5625287B2 (ja) * | 2009-08-21 | 2014-11-19 | カシオ計算機株式会社 | 光源装置、投影装置、投影方法及びプログラム |
KR101690398B1 (ko) | 2010-04-09 | 2016-12-27 | 이 잉크 코포레이션 | 전기광학 디스플레이의 구동 방법 |
CN112750397B (zh) * | 2019-10-31 | 2022-04-12 | 京东方科技集团股份有限公司 | 显示面板及其驱动方法、显示装置 |
Citations (4)
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JPH0563918A (ja) * | 1989-12-21 | 1993-03-12 | Xerox Corp | 光学イメージングシステム |
KR930006660A (ko) * | 1991-09-06 | 1993-04-21 | 윌리엄 이. 힐러 | 공간 광 변조기용 분할 프레임 메모리 |
KR930006659A (ko) * | 1991-09-06 | 1993-04-21 | 윌리엄 이. 힐러 | 비디오 디스플레이 시스템 및 이 시스템에 공간 광 변조기를 사용하는 방법 |
KR970016664A (ko) * | 1995-09-29 | 1997-04-28 | 모리시타 요이찌 | 투사형 표시 장치 |
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EP0287996A3 (en) * | 1987-04-20 | 1989-02-08 | Hitachi, Ltd. | Liquid crystal display and method of driving the same |
US5111195A (en) * | 1989-01-31 | 1992-05-05 | Sharp Kabushiki Kaisha | Driving circuit for a matrix type display device |
JPH03203776A (ja) * | 1989-12-29 | 1991-09-05 | Sharp Corp | 強誘電性液晶パネルの表示制御装置 |
KR940008180B1 (ko) * | 1990-12-27 | 1994-09-07 | 가부시끼가이샤 한도다이 에네르기 겐꾸쇼 | 액정 전기 광학 장치 및 그 구동 방법 |
DE69231597T2 (de) * | 1991-03-19 | 2001-05-31 | Hitachi, Ltd. | Flüssigkristallanzeigevorrichtung |
JP3251064B2 (ja) * | 1991-11-07 | 2002-01-28 | シャープ株式会社 | 液晶パネルの表示制御装置 |
US5627557A (en) * | 1992-08-20 | 1997-05-06 | Sharp Kabushiki Kaisha | Display apparatus |
JP2974564B2 (ja) * | 1993-12-20 | 1999-11-10 | シャープ株式会社 | 液晶電子装置およびその駆動方法 |
US5499062A (en) * | 1994-06-23 | 1996-03-12 | Texas Instruments Incorporated | Multiplexed memory timing with block reset and secondary memory |
US5959598A (en) * | 1995-07-20 | 1999-09-28 | The Regents Of The University Of Colorado | Pixel buffer circuits for implementing improved methods of displaying grey-scale or color images |
US6181311B1 (en) * | 1996-02-23 | 2001-01-30 | Canon Kabushiki Kaisha | Liquid crystal color display apparatus and driving method thereof |
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1998
- 1998-04-07 JP JP09487798A patent/JP3900663B2/ja not_active Expired - Lifetime
- 1998-06-23 US US09/102,753 patent/US6326942B1/en not_active Expired - Lifetime
- 1998-06-24 KR KR10-1998-0023990A patent/KR100489629B1/ko not_active Expired - Lifetime
- 1998-06-25 DE DE69807603T patent/DE69807603T2/de not_active Expired - Lifetime
- 1998-06-25 CN CNB981031897A patent/CN1146852C/zh not_active Expired - Lifetime
- 1998-06-25 EP EP98401566A patent/EP0887786B1/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0563918A (ja) * | 1989-12-21 | 1993-03-12 | Xerox Corp | 光学イメージングシステム |
KR930006660A (ko) * | 1991-09-06 | 1993-04-21 | 윌리엄 이. 힐러 | 공간 광 변조기용 분할 프레임 메모리 |
KR930006659A (ko) * | 1991-09-06 | 1993-04-21 | 윌리엄 이. 힐러 | 비디오 디스플레이 시스템 및 이 시스템에 공간 광 변조기를 사용하는 방법 |
KR970016664A (ko) * | 1995-09-29 | 1997-04-28 | 모리시타 요이찌 | 투사형 표시 장치 |
Also Published As
Publication number | Publication date |
---|---|
DE69807603D1 (de) | 2002-10-10 |
EP0887786A2 (en) | 1998-12-30 |
KR19990007304A (ko) | 1999-01-25 |
CN1146852C (zh) | 2004-04-21 |
EP0887786B1 (en) | 2002-09-04 |
JPH1175144A (ja) | 1999-03-16 |
JP3900663B2 (ja) | 2007-04-04 |
US6326942B1 (en) | 2001-12-04 |
DE69807603T2 (de) | 2003-04-24 |
CN1211782A (zh) | 1999-03-24 |
EP0887786A3 (en) | 2000-07-05 |
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