KR20020080250A - 동화상의 표시를 위한 홀드형 표시유닛 - Google Patents
동화상의 표시를 위한 홀드형 표시유닛 Download PDFInfo
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- KR20020080250A KR20020080250A KR1020020017661A KR20020017661A KR20020080250A KR 20020080250 A KR20020080250 A KR 20020080250A KR 1020020017661 A KR1020020017661 A KR 1020020017661A KR 20020017661 A KR20020017661 A KR 20020017661A KR 20020080250 A KR20020080250 A KR 20020080250A
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Classifications
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- 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
-
- 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
- G09G3/2007—Display of intermediate tones
- G09G3/2011—Display of intermediate tones by amplitude modulation
-
- 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
-
- 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
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0469—Details of the physics of pixel operation
- G09G2300/0478—Details of the physics of pixel operation related to liquid crystal pixels
- G09G2300/0491—Use of a bi-refringent liquid crystal, optically controlled bi-refringence [OCB] with bend and splay states, or electrically controlled bi-refringence [ECB] for controlling the color
-
- 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
- G09G2310/06—Details of flat display driving waveforms
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0204—Compensation of DC component across the pixels in flat panels
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0261—Improving the quality of display appearance in the context of movement of objects on the screen or movement of the observer relative to the screen
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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
- G09G3/36—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
-
- 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
- G09G3/3614—Control of polarity reversal in general
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nonlinear Science (AREA)
- Liquid Crystal (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
Claims (36)
- 화소들의 어레이가 그 속에서 규정되는 표시패널과, 상기 표시패널과 관련되게 배치되어 상기 화소들을 구동하는 구동회로를 포함하며, 상기 구동회로는 상기 화소들의 계조레벨들에 기초하여 상기 화소들을 높은 휘도를 갖는 제1군 및 낮은 휘도를 갖는 제2군으로 나누며, 상기 제1군의 각 화소는 각 필드에서 높은 휘도계조레벨을 통과하여 특정 계조레벨에 도달하고, 상기 제2군의 각 화소는 높은 휘도계조레벨을 통과하지 않고 각 필드의 특정 계조레벨에 도달하는 홀드표시유닛.
- 제1항에 있어서, 상기 제1군의 상기 각 화소는 각 필드에서 소망의 계조레벨과 동일한 평균계조레벨을 가지는 홀드표시유닛.
- 제1항에 있어서, 상기 표시패널은 액정(LC)층을 갖는 LCD패널인 홀드표시유닛.
- 제3항에 있어서, 상기 LCD패널은 편광판과 관련되어 있는 홀드표시유닛.
- 제3항에 있어서, 상기 LC패널은 한 쌍의 편광판들 사이에 끼어있는 홀드표시유닛.
- 제3항에 있어서, 상기 LC층은 전기장의 짝수번째 파워들에 응답하는 것보다는 큰 정도로 상기 전기장의 홀수번째 파워들에 응답하는 홀드표시유닛.
- 제3항에 있어서, 상기 LC층은 강유전성 LC재료를 포함하는 홀드표시유닛.
- 제3항에 있어서, 상기 LC층은 반강유전성 LC재료를 포함하는 홀드표시유닛.
- 제3항에 있어서, 상기 LC층은 전기클리닉(electroclinic) LC재료를 포함하는 홀드표시유닛.
- 제5항에 있어서, 상기 편광판들은 서로 수직하게 연장되는 광축들을 갖는 홀드표시유닛.
- 제3항에 있어서, 상기 LC층은 기판표면 위에 타원의 사영(射影)을 갖는 굴절율타원면을 가지며, 상기 타원은 제1극성을 갖는 제1전기장의 적용 하에 제1방향으로 회전하는 장축을 가지는 홀드표시유닛.
- 제11항에 있어서, 상기 장축은 상기 제1극성과는 반대인 제2극성을 갖는 제2전기장을 인가할 때에 상기 제1방향과는 반대인 제2방향으로 회전하는 홀드표시유닛.
- 제12항에 있어서, 상기 장축은 가해지는 전기장이 없을 때에 한 쌍의 편광판들의 광축들 사이에 형성된 각도를 등간격으로 분할하는 홀드표시유닛.
- 제11항에 있어서, 상기 장축은 상기 제1극성에 반대인 제2극성을 갖는 제2전기장을 인가할 때에 거의 회전하지 않는 홀드표시유닛.
- 제14항에 있어서, 상기 장축은 전기장을 인가하지 않을 때와 상기 제2전기장을 인가할 때에 상기 한 쌍의 편광판들 중 하나의 광축으로 정렬되는 홀드표시유닛.
- 제3항에 있어서, 상기 LC층은 전기장의 홀수번째 파워들보다 큰 정도로 상기 전기장의 짝수번째 파워들에 응답하는 홀드표시유닛.
- 제3항에 있어서, 상기 LC층은 네마틱 LC재료를 포함하는 홀드표시유닛.
- 제3항에 있어서, 상기 LC층은 카이랄(chiral) 네마틱 LC재료를 포함하는 홀드표시유닛.
- 제3항에 있어서, 상기 LC층은 서로 수직하게 연장되는 광축들을 갖는 한 쌍의 편광판들 사이에 끼어있는 홀드표시유닛.
- 제17항, 제18항 및 제19항 중 어느 한 항에 있어서, 상기 LC층은 기판표면상에 타원의 사영을 갖는 굴절율타원면을 가지며, 상기 타원은 편광판들 중 하나의 광축과 정렬된 장축을 가지며 제1극성을 갖는 제1전기장의 인가 하에 상기 편광판들 중 다른 하나의 광축 쪽으로 장축이 회전하는 홀드표시유닛.
- 제3항에 있어서, 상기 LCD패널에는 인가된 전압에 대하여 상기 LC층의 투과율특성을 변경하는 기능을 갖는 광보상판이 부가된 홀드표시유닛.
- 제21항에 있어서, 상기 광보상판은 상기 LC층이 높은 전압구역(range)에서 동작하게 하는 홀드표시유닛.
- 제3항에 있어서, 저항기가 상기 LC층과는 병렬로 전기 접속된 홀드표시유닛.
- 제23항에 있어서, 상기 저항기 및 상기 LC층은 단일 필드 또는 그 이하의 시간에 대등한 RC시정수를 규정하는 홀드표시유닛.
- 제3항에 있어서, 상기 LC층은 혼합된 이온들을 포함하는 홀드표시유닛.
- 제25항에 있어서, 상기 LC층의 이온밀도 및 확산계수에 의해 정해지는 시정수는 단일 필드 또는 그 이하의 시간과 동등한 홀드표시유닛.
- 제26항에 있어서, 상기 LC층 양이온들과 음이온들을 포함하며 전기적으로 중성인 홀드표시유닛.
- 제3항에 있어서, 상기 화소들의 각각은 스위치를 구비하는 홀드표시유닛.
- 제28항에 있어서, 각 화소는 상기 각 화소의 유지기간 동안 특유의(specific) 시정수로 전하를 받는 홀드표시유닛.
- 제29항에 있어서, 상기 스위치는 관련된 화소의 유지기간 동안 상기 스위치의 단들 사이에 인가되는 전압에 대응하는 속도로 상기 관련된 화소에 전하를 도입시키는 홀드표시유닛.
- 제28항에 있어서, 저항기가 상기 LC층에 직렬로 연결된 홀드표시유닛.
- 제31항에 있어서, 상기 저항기는 상기 스위치의 온(ON)저항 및 오프(OFF)저항 사이의 저항을 가지는 홀드표시유닛.
- 제1항에 있어서, 상기 표시패널은 자체발광패널인 홀드표시유닛.
- 제1항에 있어서, 상기 표시패널은 모니터표시유닛인 홀드표시유닛.
- 제1항에 있어서, 상기 표시패널은 광밸브(light valve)인 홀드표시유닛.
- 제35항에 있어서, 상기 광밸브는 프로젝터에 이용되는 홀드표시유닛.
Applications Claiming Priority (2)
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JPJP-P-2001-00101705 | 2001-03-30 | ||
JP2001101705A JP4599743B2 (ja) | 2001-03-30 | 2001-03-30 | ホールド型表示素子、ディスプレイ、モニタ、ライトバルブ及びプロジェクタ |
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KR20020080250A true KR20020080250A (ko) | 2002-10-23 |
KR100496169B1 KR100496169B1 (ko) | 2005-06-20 |
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KR10-2002-0017661A KR100496169B1 (ko) | 2001-03-30 | 2002-03-30 | 동화상의 표시를 위한 홀드형 표시유닛 |
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US (1) | US7079099B2 (ko) |
EP (1) | EP1246158B1 (ko) |
JP (1) | JP4599743B2 (ko) |
KR (1) | KR100496169B1 (ko) |
CN (1) | CN100380432C (ko) |
DE (1) | DE60202391T2 (ko) |
TW (1) | TW550412B (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2003043949A (ja) * | 2001-07-30 | 2003-02-14 | Advanced Display Inc | 平面型表示装置 |
JP4376101B2 (ja) * | 2004-03-19 | 2009-12-02 | シャープ株式会社 | 液晶表示装置およびその駆動方法ならびに電子機器 |
JP4015157B2 (ja) * | 2004-07-20 | 2007-11-28 | シャープ株式会社 | 液晶表示装置の駆動装置、プログラムおよび記録媒体、並びに、液晶表示装置 |
US8264441B2 (en) | 2005-03-31 | 2012-09-11 | Sharp Kabushiki Kaisha | Method for driving liquid crystal display apparatus |
JP4574676B2 (ja) | 2005-03-31 | 2010-11-04 | シャープ株式会社 | 液晶表示装置の駆動方法 |
CN109493804B (zh) * | 2018-11-27 | 2020-08-21 | 上海天马有机发光显示技术有限公司 | 一种像素电路、显示面板及显示装置 |
CN111966318A (zh) * | 2020-10-20 | 2020-11-20 | 歌尔光学科技有限公司 | 图像显示方法、装置、设备及存储介质 |
CN113178177A (zh) * | 2021-04-25 | 2021-07-27 | 京东方科技集团股份有限公司 | 显示装置及其控制方法 |
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US3499112A (en) * | 1967-03-31 | 1970-03-03 | Rca Corp | Electro-optical device |
JPH063503B2 (ja) * | 1987-06-08 | 1994-01-12 | キヤノン株式会社 | 表示装置 |
DE3851557T2 (de) * | 1987-03-18 | 1995-01-26 | Matsushita Electric Ind Co Ltd | Videoprojektor. |
JP3448852B2 (ja) * | 1991-10-16 | 2003-09-22 | 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電気光学表示装置 |
JP2784615B2 (ja) * | 1991-10-16 | 1998-08-06 | 株式会社半導体エネルギー研究所 | 電気光学表示装置およびその駆動方法 |
JPH05297831A (ja) * | 1992-04-20 | 1993-11-12 | Hitachi Ltd | 液晶表示装置および表示切替装置 |
JPH05313603A (ja) * | 1992-05-08 | 1993-11-26 | Fujitsu Ltd | 液晶表示装置 |
US5302966A (en) * | 1992-06-02 | 1994-04-12 | David Sarnoff Research Center, Inc. | Active matrix electroluminescent display and method of operation |
US6038001A (en) | 1996-08-13 | 2000-03-14 | Casio Computer Co., Ltd. | Bistable nematic liquid crystal which remains tilted in first and second states and which is tilted according to driving voltage |
US6057817A (en) * | 1996-12-17 | 2000-05-02 | Casio Computer Co., Ltd. | Liquid crystal display device having bistable nematic liquid crystal and method of driving the same |
JP3929578B2 (ja) * | 1998-01-09 | 2007-06-13 | 株式会社東芝 | 液晶表示装置 |
JP3998311B2 (ja) * | 1998-01-09 | 2007-10-24 | 東芝松下ディスプレイテクノロジー株式会社 | 液晶表示装置 |
US6107980A (en) * | 1998-02-27 | 2000-08-22 | Geo-Centers, Inc. | Cell circuit for active matrix liquid crystal displays using high polarization, analog response liquid crystals |
JP3483759B2 (ja) * | 1998-03-19 | 2004-01-06 | 株式会社東芝 | 液晶表示装置 |
KR100306545B1 (ko) * | 1998-06-29 | 2001-11-22 | 마찌다 가쯔히꼬 | 액정 표시 장치 |
JP2001045524A (ja) * | 1999-01-26 | 2001-02-16 | Denso Corp | 立体表示装置 |
JP2001022315A (ja) * | 1999-07-12 | 2001-01-26 | Seiko Epson Corp | 電気光学装置、電気光学装置の駆動方法および電子機器 |
JP2001117074A (ja) * | 1999-10-18 | 2001-04-27 | Hitachi Ltd | 液晶表示装置 |
US6671019B1 (en) * | 1999-11-12 | 2003-12-30 | Case Western Reserve University | Electrode patterns for liquid crystal cells |
JP2001249319A (ja) * | 2000-03-02 | 2001-09-14 | Hitachi Ltd | 液晶表示装置 |
JP3722677B2 (ja) * | 2000-08-18 | 2005-11-30 | 株式会社アドバンスト・ディスプレイ | 液晶表示装置 |
-
2001
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-
2002
- 2002-03-28 DE DE60202391T patent/DE60202391T2/de not_active Expired - Lifetime
- 2002-03-28 US US10/109,247 patent/US7079099B2/en not_active Expired - Lifetime
- 2002-03-28 EP EP02007178A patent/EP1246158B1/en not_active Expired - Lifetime
- 2002-03-29 TW TW091106420A patent/TW550412B/zh not_active IP Right Cessation
- 2002-03-30 KR KR10-2002-0017661A patent/KR100496169B1/ko active IP Right Grant
- 2002-04-01 CN CNB021084556A patent/CN100380432C/zh not_active Expired - Lifetime
Also Published As
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EP1246158B1 (en) | 2004-12-29 |
EP1246158A1 (en) | 2002-10-02 |
JP4599743B2 (ja) | 2010-12-15 |
DE60202391T2 (de) | 2006-01-05 |
KR100496169B1 (ko) | 2005-06-20 |
US7079099B2 (en) | 2006-07-18 |
JP2002296567A (ja) | 2002-10-09 |
CN100380432C (zh) | 2008-04-09 |
CN1379387A (zh) | 2002-11-13 |
TW550412B (en) | 2003-09-01 |
DE60202391D1 (de) | 2005-02-03 |
US20020140658A1 (en) | 2002-10-03 |
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