FR2647934B1 - Dispositif d'affichage a cristaux liquides - Google Patents
Dispositif d'affichage a cristaux liquidesInfo
- Publication number
- FR2647934B1 FR2647934B1 FR9006990A FR9006990A FR2647934B1 FR 2647934 B1 FR2647934 B1 FR 2647934B1 FR 9006990 A FR9006990 A FR 9006990A FR 9006990 A FR9006990 A FR 9006990A FR 2647934 B1 FR2647934 B1 FR 2647934B1
- Authority
- FR
- France
- Prior art keywords
- liquid crystal
- display device
- crystal display
- liquid
- display
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/65—Control of camera operation in relation to power supply
- H04N23/651—Control of camera operation in relation to power supply for reducing power consumption by affecting camera operations, e.g. sleep mode, hibernation mode or power off of selective parts of the camera
-
- 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
- G02F1/1336—Illuminating devices
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
- G09G2330/022—Power management, e.g. power saving in absence of operation, e.g. no data being entered during a predetermined time
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1143496A JPH039320A (ja) | 1989-06-06 | 1989-06-06 | 液晶表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2647934A1 FR2647934A1 (fr) | 1990-12-07 |
FR2647934B1 true FR2647934B1 (fr) | 1994-03-18 |
Family
ID=15340064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9006990A Expired - Fee Related FR2647934B1 (fr) | 1989-06-06 | 1990-06-06 | Dispositif d'affichage a cristaux liquides |
Country Status (5)
Country | Link |
---|---|
US (1) | US5313225A (fr) |
JP (1) | JPH039320A (fr) |
DE (1) | DE4018119C2 (fr) |
FR (1) | FR2647934B1 (fr) |
GB (1) | GB2235079B (fr) |
Families Citing this family (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6782483B2 (en) * | 1990-03-23 | 2004-08-24 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
GB9125331D0 (en) * | 1991-11-28 | 1992-01-29 | Shaye Communications Ltd | Illumination of displays |
JPH05165410A (ja) * | 1991-12-12 | 1993-07-02 | Fanuc Ltd | 液晶表示装置 |
US5606346A (en) * | 1992-12-22 | 1997-02-25 | Matsushita Electric Industrial Co., Ltd. | Coordinate input device |
GB2282307A (en) * | 1993-09-24 | 1995-03-29 | Ibm | Disabling display unit when image is unchanged |
JP3307486B2 (ja) * | 1993-11-19 | 2002-07-24 | 富士通株式会社 | 平面表示装置及びその制御方法 |
US5532854A (en) * | 1994-01-25 | 1996-07-02 | Fergason; James L. | Folded variable birefringerence zeroth order hybrid aligned liquid crystal apparatus |
US5717422A (en) * | 1994-01-25 | 1998-02-10 | Fergason; James L. | Variable intensity high contrast passive display |
WO1995020180A1 (fr) * | 1994-01-25 | 1995-07-27 | Fergason James L | Systeme et procede d'affichage |
US5541745A (en) * | 1994-01-25 | 1996-07-30 | Fergason; James L. | Illumination system for a display using cholesteric liquid crystal reflectors |
TW475079B (en) * | 1994-05-24 | 2002-02-01 | Semiconductor Energy Lab | Liquid crystal display device |
US6184969B1 (en) * | 1994-10-25 | 2001-02-06 | James L. Fergason | Optical display system and method, active and passive dithering using birefringence, color image superpositioning and display enhancement |
KR0137917B1 (ko) * | 1994-10-28 | 1998-05-15 | 김광호 | 액정표시소자의 후면광원 구동회로 |
JP3764504B2 (ja) * | 1995-02-28 | 2006-04-12 | ソニー株式会社 | 液晶表示装置 |
US5808597A (en) * | 1995-03-08 | 1998-09-15 | Canon Kabushiki Kaisha | Illumination device for liquid crystal display apparatus |
KR0148053B1 (ko) * | 1995-05-12 | 1998-09-15 | 김광호 | 액정 표시 소자의 후면 광원 구동 제어 장치 및 그 방법 |
US5579144A (en) * | 1995-06-30 | 1996-11-26 | Siemens Components, Inc. | Data access arrangement having improved transmit-receive separation |
US6256006B1 (en) | 1996-02-01 | 2001-07-03 | Asahi Kogaku Kogyo Kabushiki Kaisha | Liquid crystal display with temperature detection to control data renewal |
US5990858A (en) * | 1996-09-04 | 1999-11-23 | Bloomberg L.P. | Flat panel display terminal for receiving multi-frequency and multi-protocol video signals |
JP3392024B2 (ja) * | 1997-11-14 | 2003-03-31 | キヤノン株式会社 | 表示装置及びその省電力制御方法 |
US6621520B1 (en) | 1998-06-09 | 2003-09-16 | Pentax Corporation | Display unit of digital camera |
KR100490391B1 (ko) * | 1998-06-11 | 2005-08-01 | 삼성전자주식회사 | 엘.씨.디를 구비한 컴퓨터의 비디오 모드 제어장치 및 그 방법 |
KR100537887B1 (ko) * | 1998-06-26 | 2006-03-14 | 삼성전자주식회사 | 액정표시장치의모듈제어장치 |
US6204752B1 (en) * | 1999-11-24 | 2001-03-20 | Shimano Inc. | Bicycle display unit with backlight |
DE10044255A1 (de) * | 2000-09-07 | 2002-04-18 | Siemens Ag | Verfahren und Vorrichtung zur Stromsteuerung eines Leuchtmittels für die Hintergrundbeleuchtung eines transmissiven Displays insbesondere eines LC-Displays |
US6762742B2 (en) * | 2000-12-29 | 2004-07-13 | Samsung Electronics Co., Ltd. | Apparatus and method for automatic brightness control for use in liquid crystal display device |
KR20020057246A (ko) * | 2000-12-30 | 2002-07-11 | 주식회사 현대 디스플레이 테크놀로지 | 액정표시장치 및 그 구동방법 |
US7064740B2 (en) * | 2001-11-09 | 2006-06-20 | Sharp Laboratories Of America, Inc. | Backlit display with improved dynamic range |
KR100425765B1 (ko) * | 2002-04-12 | 2004-04-01 | 엘지.필립스 엘시디 주식회사 | 액정표시장치 |
JP2004080285A (ja) | 2002-08-15 | 2004-03-11 | Fuji Photo Film Co Ltd | デジタルカメラ |
US8243004B2 (en) | 2003-03-10 | 2012-08-14 | Fergason Patent Properties, Llc | Apparatus and method for preparing, storing, transmitting and displaying images |
US7623105B2 (en) | 2003-11-21 | 2009-11-24 | Sharp Laboratories Of America, Inc. | Liquid crystal display with adaptive color |
WO2005067453A2 (fr) * | 2003-12-18 | 2005-07-28 | Sharp Laboratories Of America, Inc. | Gamma dynamique pour un affichage a cristaux liquides |
US8395577B2 (en) * | 2004-05-04 | 2013-03-12 | Sharp Laboratories Of America, Inc. | Liquid crystal display with illumination control |
US7532192B2 (en) * | 2004-05-04 | 2009-05-12 | Sharp Laboratories Of America, Inc. | Liquid crystal display with filtered black point |
US7777714B2 (en) * | 2004-05-04 | 2010-08-17 | Sharp Laboratories Of America, Inc. | Liquid crystal display with adaptive width |
US7612757B2 (en) * | 2004-05-04 | 2009-11-03 | Sharp Laboratories Of America, Inc. | Liquid crystal display with modulated black point |
US7872631B2 (en) * | 2004-05-04 | 2011-01-18 | Sharp Laboratories Of America, Inc. | Liquid crystal display with temporal black point |
US20050248553A1 (en) * | 2004-05-04 | 2005-11-10 | Sharp Laboratories Of America, Inc. | Adaptive flicker and motion blur control |
US7505018B2 (en) | 2004-05-04 | 2009-03-17 | Sharp Laboratories Of America, Inc. | Liquid crystal display with reduced black level insertion |
US7023451B2 (en) * | 2004-06-14 | 2006-04-04 | Sharp Laboratories Of America, Inc. | System for reducing crosstalk |
US7556836B2 (en) * | 2004-09-03 | 2009-07-07 | Solae, Llc | High protein snack product |
US7898519B2 (en) * | 2005-02-17 | 2011-03-01 | Sharp Laboratories Of America, Inc. | Method for overdriving a backlit display |
JP2006140647A (ja) * | 2004-11-10 | 2006-06-01 | Sharp Corp | 液晶表示装置 |
US8050511B2 (en) * | 2004-11-16 | 2011-11-01 | Sharp Laboratories Of America, Inc. | High dynamic range images from low dynamic range images |
US7525528B2 (en) * | 2004-11-16 | 2009-04-28 | Sharp Laboratories Of America, Inc. | Technique that preserves specular highlights |
US8050512B2 (en) | 2004-11-16 | 2011-11-01 | Sharp Laboratories Of America, Inc. | High dynamic range images from low dynamic range images |
US8125572B2 (en) * | 2005-03-15 | 2012-02-28 | Maxim Integrated Products, Inc. | System and method for automatic power-up and power-down of an output video circuit |
US7595847B2 (en) * | 2005-06-20 | 2009-09-29 | Zippy Technology Corp. | Audio/video playback control system of liquid crystal display television |
JP4771065B2 (ja) * | 2005-09-30 | 2011-09-14 | ゲットナー・ファンデーション・エルエルシー | 光源装置、表示装置及び端末装置 |
US9143657B2 (en) * | 2006-01-24 | 2015-09-22 | Sharp Laboratories Of America, Inc. | Color enhancement technique using skin color detection |
US8121401B2 (en) * | 2006-01-24 | 2012-02-21 | Sharp Labortories of America, Inc. | Method for reducing enhancement of artifacts and noise in image color enhancement |
US8941580B2 (en) * | 2006-11-30 | 2015-01-27 | Sharp Laboratories Of America, Inc. | Liquid crystal display with area adaptive backlight |
JP2010112967A (ja) * | 2008-08-29 | 2010-05-20 | Toshiba Corp | 映像再生装置および照明装置の制御方法 |
US20110166968A1 (en) * | 2010-01-06 | 2011-07-07 | Richard Yin-Ching Houng | System and method for activating display device feature |
JP6024084B2 (ja) * | 2011-09-14 | 2016-11-09 | ソニー株式会社 | プロジェクタ装置及びプロジェクタ装置の光源制御方法 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2619367A1 (de) * | 1976-04-30 | 1977-11-17 | Siemens Ag | Fluessigkristallanzeige mit zusatzbeleuchtung |
JPS5459340U (fr) * | 1977-10-04 | 1979-04-24 | ||
JPS55117382A (en) * | 1979-03-05 | 1980-09-09 | Itsuki Ban | Preventing device for forgetful switch-off of television picture receiver |
US4417135A (en) * | 1979-05-28 | 1983-11-22 | Olympus Optical Co., Ltd. | Power saving electronic counter circuit for tape recorder |
JPS6053507B2 (ja) * | 1980-04-25 | 1985-11-26 | 株式会社日立製作所 | 複数画面表示テレビジョン受信機 |
JPS57196221A (en) * | 1981-05-28 | 1982-12-02 | Asahi Optical Co Ltd | Warning display mechanism for photographic information of camera |
JPS5887551A (ja) * | 1981-11-20 | 1983-05-25 | Nippon Kogaku Kk <Nikon> | カメラの表示装置 |
DE3147619A1 (de) * | 1981-12-02 | 1983-06-09 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Schaltung fuer die beleuchtung einer lcd-anzeige in kraftfahrzeugen |
JPS58129880A (ja) * | 1982-01-27 | 1983-08-03 | Canon Inc | 撮像装置 |
JPS60177777A (ja) * | 1984-02-23 | 1985-09-11 | Matsushita Electric Ind Co Ltd | 撮影装置 |
JPS6157814A (ja) * | 1984-08-29 | 1986-03-24 | Hitachi Ltd | 電子計器盤 |
EP0187998B1 (fr) * | 1984-12-25 | 1993-03-10 | Mitsubishi Denki Kabushiki Kaisha | Unité d'affichage |
EP0211308B1 (fr) * | 1985-07-22 | 1993-03-17 | Sharp Kabushiki Kaisha | Dispositif de traitement de données |
JPS62125329A (ja) * | 1985-11-27 | 1987-06-06 | Hosiden Electronics Co Ltd | 透過形表示装置 |
US4811200A (en) * | 1987-05-12 | 1989-03-07 | Motorola, Inc. | Multiple microprocessor watchdog system |
JP2531184B2 (ja) * | 1987-06-26 | 1996-09-04 | ソニー株式会社 | カメラのビュ−ファインダ− |
JPS6414181A (en) * | 1987-07-09 | 1989-01-18 | Shinko Electric Ind Co | Production of ceramic material |
US4825143A (en) * | 1987-08-12 | 1989-04-25 | Leo Cheng | Digital meter automatic off power supply circuit |
JPS6474876A (en) * | 1987-09-17 | 1989-03-20 | Seiko Epson Corp | Video camera with electronic view finder |
US4868563A (en) * | 1987-09-25 | 1989-09-19 | Motorola, Inc. | Microcomputer controlled display backlight |
JPH02105112A (ja) * | 1988-10-14 | 1990-04-17 | Nec Corp | 液晶表示装置 |
JP2752665B2 (ja) * | 1988-11-09 | 1998-05-18 | 日本電気株式会社 | 表示付携帯無線機 |
US5078476A (en) * | 1989-06-30 | 1992-01-07 | Goldstar Co. Ltd. | Automatic backlight on/off control apparatus for liquid crystal display television |
-
1989
- 1989-06-06 JP JP1143496A patent/JPH039320A/ja active Pending
-
1990
- 1990-06-05 GB GB9012556A patent/GB2235079B/en not_active Expired - Fee Related
- 1990-06-06 FR FR9006990A patent/FR2647934B1/fr not_active Expired - Fee Related
- 1990-06-06 DE DE4018119A patent/DE4018119C2/de not_active Expired - Fee Related
-
1992
- 1992-06-19 US US07/900,757 patent/US5313225A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE4018119C2 (de) | 1993-10-14 |
GB2235079A (en) | 1991-02-20 |
GB9012556D0 (en) | 1990-07-25 |
FR2647934A1 (fr) | 1990-12-07 |
US5313225A (en) | 1994-05-17 |
DE4018119A1 (de) | 1990-12-13 |
JPH039320A (ja) | 1991-01-17 |
GB2235079B (en) | 1993-09-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20070228 |