CN101188098B - 显示驱动电路 - Google Patents
显示驱动电路 Download PDFInfo
- Publication number
- CN101188098B CN101188098B CN200710188626XA CN200710188626A CN101188098B CN 101188098 B CN101188098 B CN 101188098B CN 200710188626X A CN200710188626X A CN 200710188626XA CN 200710188626 A CN200710188626 A CN 200710188626A CN 101188098 B CN101188098 B CN 101188098B
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- CN
- China
- Prior art keywords
- mentioned
- backlight
- control part
- brightness
- control signal
- 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.)
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Classifications
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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
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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
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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
- G09G3/3413—Details of control of colour illumination sources
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/40—Image enhancement or restoration by the use of histogram techniques
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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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
-
- 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
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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
- G09G2320/06—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
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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
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
- G09G2320/0653—Controlling or limiting the speed of brightness adjustment of the illumination source
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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
- 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
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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
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
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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
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
Abstract
Description
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP313832/2006 | 2006-11-21 | ||
JP2006313832A JP4247269B2 (ja) | 2006-11-21 | 2006-11-21 | 表示装置用駆動回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101188098A CN101188098A (zh) | 2008-05-28 |
CN101188098B true CN101188098B (zh) | 2010-06-02 |
Family
ID=39480455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200710188626XA Active CN101188098B (zh) | 2006-11-21 | 2007-11-21 | 显示驱动电路 |
Country Status (5)
Country | Link |
---|---|
US (3) | US20080136844A1 (zh) |
JP (1) | JP4247269B2 (zh) |
KR (1) | KR100931096B1 (zh) |
CN (1) | CN101188098B (zh) |
TW (1) | TW200836156A (zh) |
Families Citing this family (24)
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JP4247269B2 (ja) * | 2006-11-21 | 2009-04-02 | 株式会社ルネサステクノロジ | 表示装置用駆動回路 |
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JP5249703B2 (ja) * | 2008-10-08 | 2013-07-31 | シャープ株式会社 | 表示装置 |
GB2465194A (en) * | 2008-11-10 | 2010-05-12 | Iti Scotland Ltd | Randomly or pseudo-randomly modulated switching waveform for LED backlight |
JP5193827B2 (ja) * | 2008-11-28 | 2013-05-08 | 三洋電機株式会社 | 映像表示装置及び投写型映像表示装置 |
KR101543631B1 (ko) * | 2009-01-23 | 2015-08-12 | 삼성디스플레이 주식회사 | 광원 구동방법, 이를 수행하기 위한 광원 장치 및 이 광원 장치를 갖는 표시 장치 |
WO2010092179A1 (en) * | 2009-02-16 | 2010-08-19 | Arcelik Anonim Sirketi | A display device and the control method thereof |
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US9075559B2 (en) * | 2009-02-27 | 2015-07-07 | Nvidia Corporation | Multiple graphics processing unit system and method |
CN102237056A (zh) * | 2010-04-21 | 2011-11-09 | 瑞萨电子株式会社 | 显示驱动装置 |
KR101200499B1 (ko) * | 2010-08-20 | 2012-11-12 | 전자부품연구원 | 표시장치 및 백라이트 제어방법 |
JP2012198464A (ja) * | 2011-03-23 | 2012-10-18 | Fujitsu Ten Ltd | 表示制御装置、画像表示システム及び表示制御方法 |
CN102737585A (zh) * | 2011-04-06 | 2012-10-17 | 中兴通讯股份有限公司 | 一种降低显示设备背光功耗的方法及装置 |
CN102543024B (zh) * | 2012-02-03 | 2014-04-02 | 福州瑞芯微电子有限公司 | 一种动态背光平衡的控制电路 |
US9262992B2 (en) * | 2012-09-28 | 2016-02-16 | Apple Inc. | Multiple hardware paths for backlight control in computer systems |
JP6367529B2 (ja) * | 2013-06-25 | 2018-08-01 | ソニー株式会社 | 表示装置、表示制御方法、表示制御装置、および電子機器 |
US9275584B2 (en) | 2014-01-17 | 2016-03-01 | Getac Technology Corporation | Brightness control apparatus and brightness control method |
DE102014100905B3 (de) * | 2014-01-27 | 2015-06-25 | Getac Technology Corp. | Helligkeitsregelgerät und Helligkeitsregelverfahren |
US9459141B2 (en) | 2014-03-11 | 2016-10-04 | Getac Technology Corporation | Brightness control apparatus and brightness control method |
DE102014104087A1 (de) * | 2014-03-25 | 2015-10-01 | Getac Technology Corp. | Helligkeitsregelgerät und Helligkeitsregelverfahren |
JP6585893B2 (ja) * | 2014-10-27 | 2019-10-02 | シナプティクス・ジャパン合同会社 | 表示駆動回路 |
KR102171467B1 (ko) * | 2014-11-07 | 2020-11-02 | 엘지디스플레이 주식회사 | 데이터 클리핑 방법 및 장치와 이를 이용한 표시장치 |
KR20180071821A (ko) * | 2016-12-20 | 2018-06-28 | 삼성전자주식회사 | 디스플레이 장치 및 그 구동 방법 |
CN108257580B (zh) * | 2016-12-28 | 2020-08-28 | 中科创达软件股份有限公司 | 一种基于背光亮度的显示画面的调节方法及装置 |
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JP4422709B2 (ja) * | 2006-10-26 | 2010-02-24 | 株式会社ルネサステクノロジ | 表示輝度制御回路 |
JP4264558B2 (ja) * | 2006-11-10 | 2009-05-20 | ソニー株式会社 | バックライト装置、バックライト駆動方法及びカラー画像表示装置 |
JP4643545B2 (ja) * | 2006-11-20 | 2011-03-02 | 株式会社日立製作所 | 液晶表示装置 |
KR101318081B1 (ko) * | 2006-11-21 | 2013-10-14 | 엘지디스플레이 주식회사 | 액정표시장치와 그 구동방법 |
JP4247269B2 (ja) * | 2006-11-21 | 2009-04-02 | 株式会社ルネサステクノロジ | 表示装置用駆動回路 |
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2006
- 2006-11-21 JP JP2006313832A patent/JP4247269B2/ja active Active
-
2007
- 2007-10-31 TW TW096140978A patent/TW200836156A/zh not_active IP Right Cessation
- 2007-11-20 KR KR1020070118448A patent/KR100931096B1/ko active IP Right Grant
- 2007-11-20 US US11/943,199 patent/US20080136844A1/en not_active Abandoned
- 2007-11-21 CN CN200710188626XA patent/CN101188098B/zh active Active
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2013
- 2013-01-04 US US13/734,144 patent/US8754841B2/en active Active
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2014
- 2014-05-13 US US14/275,955 patent/US9626916B2/en active Active
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Also Published As
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US20130120480A1 (en) | 2013-05-16 |
JP2008129302A (ja) | 2008-06-05 |
US20140247291A1 (en) | 2014-09-04 |
CN101188098A (zh) | 2008-05-28 |
TWI379279B (zh) | 2012-12-11 |
TW200836156A (en) | 2008-09-01 |
US20080136844A1 (en) | 2008-06-12 |
JP4247269B2 (ja) | 2009-04-02 |
US9626916B2 (en) | 2017-04-18 |
KR100931096B1 (ko) | 2009-12-10 |
KR20080046112A (ko) | 2008-05-26 |
US8754841B2 (en) | 2014-06-17 |
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