FR2905027B1 - Dispositif d'affichage a cristaux liquides et son procede de pilotage - Google Patents
Dispositif d'affichage a cristaux liquides et son procede de pilotageInfo
- Publication number
- FR2905027B1 FR2905027B1 FR0704567A FR0704567A FR2905027B1 FR 2905027 B1 FR2905027 B1 FR 2905027B1 FR 0704567 A FR0704567 A FR 0704567A FR 0704567 A FR0704567 A FR 0704567A FR 2905027 B1 FR2905027 B1 FR 2905027B1
- Authority
- FR
- France
- Prior art keywords
- liquid crystal
- display device
- crystal display
- control method
- backlighting
- 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.)
- Active
Links
- 239000004973 liquid crystal related substance Substances 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 125000004122 cyclic group Chemical group 0.000 abstract 2
- 238000006073 displacement reaction Methods 0.000 abstract 1
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
-
- 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
- G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
-
- 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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
- H05B41/2825—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a bridge converter in the final stage
- H05B41/2828—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a bridge converter in the final stage using control circuits for the switching elements
-
- 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
- G09G2310/024—Scrolling of light from the illumination source over the display in combination with the scanning of the display screen
-
- 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
-
- 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
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
- G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the 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
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
- G09G2320/0646—Modulation of illumination source brightness and image signal correlated to each other
-
- 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
- G09G2320/10—Special adaptations of display systems for operation with variable images
- G09G2320/103—Detection of image changes, e.g. determination of an index representative of the image change
-
- 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
- G09G2320/10—Special adaptations of display systems for operation with variable images
- G09G2320/106—Determination of movement vectors or equivalent parameters within the image
-
- 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
- G09G2330/028—Generation of voltages supplied to electrode drivers in a matrix display other than LCD
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/16—Determination of a pixel data signal depending on the signal applied in the previous frame
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20060078858 | 2006-08-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2905027A1 FR2905027A1 (fr) | 2008-02-22 |
FR2905027B1 true FR2905027B1 (fr) | 2013-12-20 |
Family
ID=39100945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0704567A Active FR2905027B1 (fr) | 2006-08-21 | 2007-06-26 | Dispositif d'affichage a cristaux liquides et son procede de pilotage |
Country Status (4)
Country | Link |
---|---|
US (1) | US8325129B2 (fr) |
KR (1) | KR20080017280A (fr) |
CN (1) | CN101131505B (fr) |
FR (1) | FR2905027B1 (fr) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20090059179A (ko) * | 2007-12-06 | 2009-06-11 | 삼성전자주식회사 | 백라이트 장치와 이의 제어방법과 이를 갖는 액정표시장치 |
KR20090069791A (ko) * | 2007-12-26 | 2009-07-01 | 삼성전자주식회사 | 표시 장치의 광원 제어 장치 및 방법 |
TWI423226B (zh) * | 2008-09-24 | 2014-01-11 | Himax Media Solutions Inc | 背光控制系統和方法 |
US8334834B2 (en) * | 2008-09-30 | 2012-12-18 | Himax Media Solutions, Inc. | Backlight control system and method |
TWI475544B (zh) | 2008-10-24 | 2015-03-01 | Semiconductor Energy Lab | 顯示裝置 |
KR101494212B1 (ko) * | 2008-10-29 | 2015-02-23 | 삼성디스플레이 주식회사 | 광원 구동 방법, 이를 수행하기 위한 광원 장치 및 이 광원장치를 갖는 표시 장치 |
KR101536216B1 (ko) * | 2008-11-21 | 2015-07-14 | 삼성디스플레이 주식회사 | 광원 구동 방법, 이를 수행하기 위한 표시 장치 및 이 표시장치의 구동 방법 |
KR101591652B1 (ko) * | 2008-12-01 | 2016-02-11 | 삼성디스플레이 주식회사 | 액정 표시 장치 및 그 구동 방법 |
KR101510901B1 (ko) * | 2008-12-15 | 2015-04-10 | 엘지디스플레이 주식회사 | 액정표시장치 |
CN101888726A (zh) * | 2009-05-13 | 2010-11-17 | 承景科技股份有限公司 | 动态背光控制的适应性步进控制***及方法 |
US20100309213A1 (en) * | 2009-06-08 | 2010-12-09 | Himax Media Solutions, Inc. | Adaptive Stepping-Control System and Method for Dynamic Backlight Control |
CN102472904A (zh) * | 2009-07-03 | 2012-05-23 | 夏普株式会社 | 液晶显示装置和光源控制方法 |
US20120086628A1 (en) * | 2009-07-03 | 2012-04-12 | Sharp Kabushiki Kaisha | Liquid crystal display device and light source control method |
WO2011008724A2 (fr) | 2009-07-13 | 2011-01-20 | Dolby Laboratories Licensing Corporation | Systèmes et procédés de commande de signaux de pilotage dans des dispositifs d'affichage à modulateur spatial de lumière |
JP5084949B2 (ja) * | 2009-10-02 | 2012-11-28 | パナソニック株式会社 | バックライト装置 |
US8581941B2 (en) * | 2009-10-02 | 2013-11-12 | Panasonic Corporation | Backlight device and display apparatus |
KR101476858B1 (ko) * | 2009-10-08 | 2014-12-26 | 엘지디스플레이 주식회사 | 액정표시장치 |
KR101450920B1 (ko) | 2009-12-17 | 2014-10-23 | 엘지디스플레이 주식회사 | 액정표시장치와 그 소프트웨어 업데이트 방법 |
KR102011801B1 (ko) * | 2010-01-20 | 2019-08-19 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 액정 표시 장치의 구동 방법 |
KR101842860B1 (ko) | 2010-01-20 | 2018-03-28 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 표시 장치의 구동 방법 |
TWI434269B (zh) | 2010-02-02 | 2014-04-11 | Novatek Microelectronics Corp | 背光控制裝置及其控制方法 |
CN102157140A (zh) * | 2010-02-11 | 2011-08-17 | 联咏科技股份有限公司 | 背光控制装置及其控制方法 |
CN102157133B (zh) * | 2010-02-12 | 2014-06-11 | 联咏科技股份有限公司 | 背光控制装置及其控制方法 |
KR20110114075A (ko) * | 2010-04-12 | 2011-10-19 | 삼성전자주식회사 | 백라이트 유닛 및 이를 포함한 디스플레이 장치 |
US8698852B2 (en) * | 2010-05-20 | 2014-04-15 | Semiconductor Energy Laboratory Co., Ltd. | Display device and method for driving the same |
KR101726632B1 (ko) * | 2010-11-15 | 2017-04-14 | 엘지디스플레이 주식회사 | 표시장치 |
KR101289650B1 (ko) * | 2010-12-08 | 2013-07-25 | 엘지디스플레이 주식회사 | 액정표시장치와 그 스캐닝 백라이트 구동 방법 |
KR101289651B1 (ko) * | 2010-12-08 | 2013-07-25 | 엘지디스플레이 주식회사 | 액정표시장치와 그 스캐닝 백라이트 구동 방법 |
KR20120075168A (ko) * | 2010-12-28 | 2012-07-06 | 삼성모바일디스플레이주식회사 | 액정 표시 장치 및 그 구동 방법 |
CN106504697B (zh) | 2012-03-13 | 2019-11-26 | 株式会社半导体能源研究所 | 发光装置及其驱动方法 |
KR102093244B1 (ko) | 2012-04-03 | 2020-03-26 | 삼성디스플레이 주식회사 | 잔상 제거 대상 위치 설정 방법, 유기 발광 표시 장치 및 이의 구동 방법 |
KR101560240B1 (ko) * | 2012-05-29 | 2015-10-14 | 엘지디스플레이 주식회사 | 백라이트 드라이버 및 그 구동 방법과 그를 이용한 액정 표시 장치 |
TWI618058B (zh) | 2013-05-16 | 2018-03-11 | 半導體能源研究所股份有限公司 | 半導體裝置 |
JP2015114443A (ja) * | 2013-12-11 | 2015-06-22 | キヤノン株式会社 | 表示装置及び表示装置の制御方法 |
US9653611B2 (en) | 2014-03-07 | 2017-05-16 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
TWI767772B (zh) | 2014-04-10 | 2022-06-11 | 日商半導體能源研究所股份有限公司 | 記憶體裝置及半導體裝置 |
WO2015170220A1 (fr) | 2014-05-09 | 2015-11-12 | Semiconductor Energy Laboratory Co., Ltd. | Dispositif de mémoire et dispositif électronique |
CN105489170B (zh) * | 2014-09-16 | 2019-08-06 | 青岛海信电器股份有限公司 | 一种背光源的驱动方法、装置及显示设备 |
KR102280939B1 (ko) | 2015-01-29 | 2021-07-27 | 삼성디스플레이 주식회사 | 표시 장치 및 그것의 휘도 제어 방법 |
US9905700B2 (en) | 2015-03-13 | 2018-02-27 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device or memory device and driving method thereof |
US9741400B2 (en) | 2015-11-05 | 2017-08-22 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device, memory device, electronic device, and method for operating the semiconductor device |
US9887010B2 (en) | 2016-01-21 | 2018-02-06 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device, memory device, and driving method thereof |
TWI716799B (zh) * | 2019-01-08 | 2021-01-21 | 佳世達科技股份有限公司 | 調整動態模糊效果的方法及具有調整動態模糊效果能力的顯示系統 |
JP2020129066A (ja) * | 2019-02-08 | 2020-08-27 | シャープ株式会社 | 表示装置及びバックライト制御装置 |
US10504453B1 (en) * | 2019-04-18 | 2019-12-10 | Apple Inc. | Displays with adjustable direct-lit backlight units |
CN111554240B (zh) * | 2020-05-29 | 2022-08-16 | 上海天马微电子有限公司 | 显示装置的驱动方法及显示装置 |
CN112164360A (zh) * | 2020-09-24 | 2021-01-01 | 合肥维信诺科技有限公司 | 显示驱动电路和显示装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003050569A (ja) * | 2000-11-30 | 2003-02-21 | Hitachi Ltd | 液晶表示装置 |
TWI227768B (en) * | 2002-10-29 | 2005-02-11 | Fujitsu Display Tech | Illumination device and liquid crystal display device using the same |
CN100472597C (zh) * | 2002-12-06 | 2009-03-25 | 夏普株式会社 | 液晶显示装置 |
US8451209B2 (en) * | 2002-12-06 | 2013-05-28 | Sharp Kabushiki Kaisha | Liquid crystal display device |
JP4299622B2 (ja) * | 2003-09-24 | 2009-07-22 | Nec液晶テクノロジー株式会社 | 液晶表示装置及び該液晶表示装置に用いられる駆動方法 |
KR100580552B1 (ko) * | 2003-11-17 | 2006-05-16 | 엘지.필립스 엘시디 주식회사 | 액정표시장치의 구동방법 및 구동장치 |
US7375719B2 (en) * | 2003-12-29 | 2008-05-20 | Lg. Philips Lcd. Co., Ltd | Method and apparatus for driving liquid crystal display |
CN100489948C (zh) * | 2004-06-21 | 2009-05-20 | 钰瀚科技股份有限公司 | 一种去除画面间影像重叠模糊的方法与装置 |
-
2007
- 2007-06-26 FR FR0704567A patent/FR2905027B1/fr active Active
- 2007-06-29 CN CN2007101268972A patent/CN101131505B/zh active Active
- 2007-07-24 US US11/878,391 patent/US8325129B2/en active Active
- 2007-08-21 KR KR1020070083978A patent/KR20080017280A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US20080042968A1 (en) | 2008-02-21 |
KR20080017280A (ko) | 2008-02-26 |
FR2905027A1 (fr) | 2008-02-22 |
US8325129B2 (en) | 2012-12-04 |
CN101131505B (zh) | 2010-06-09 |
CN101131505A (zh) | 2008-02-27 |
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