JP2015102595A - 表示デバイスの駆動装置 - Google Patents
表示デバイスの駆動装置 Download PDFInfo
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- JP2015102595A JP2015102595A JP2013241070A JP2013241070A JP2015102595A JP 2015102595 A JP2015102595 A JP 2015102595A JP 2013241070 A JP2013241070 A JP 2013241070A JP 2013241070 A JP2013241070 A JP 2013241070A JP 2015102595 A JP2015102595 A JP 2015102595A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3265—Power saving in display device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3215—Monitoring of peripheral devices
- G06F1/3218—Monitoring of peripheral devices of display devices
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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
- G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
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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
- G09G3/3614—Control of polarity reversal in general
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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
- G09G3/3685—Details of drivers for data electrodes
-
- 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
- G09G2310/0264—Details of driving circuits
- G09G2310/0278—Details of driving circuits arranged to drive both scan and data electrodes
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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
- G09G2320/10—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
- 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
-
- 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
- G09G2330/023—Power management, e.g. power saving using energy recovery or conservation
-
- 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
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
- G09G2340/0435—Change or adaptation of the frame rate of the video stream
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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
- G09G2360/18—Use of a frame buffer in a display terminal, inclusive of the display panel
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- 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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
- Electroluminescent Light Sources (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
Description
11a フレーム一致判定部
13 データドライバ
20 表示デバイス
136 出力バッファ
Claims (3)
- 映像データ信号に応じて表示デバイスを駆動する表示デバイスの駆動装置であって、
前記映像データ信号に基づく各画素の輝度レベルを示す画素データ系列信号を生成する駆動制御部と、
前記画素データ系列信号に基づき画素各々の輝度レベルに対応した画素駆動電圧を生成して前記表示デバイスのデータラインに供給するデータドライバと、を含み、
前記駆動制御部は、互いに時系列的に隣接する1フレーム分の前記映像データ信号同士が一致している場合には前記データドライバへの前記画素データ系列信号の供給を停止することを特徴とする表示デバイスの駆動装置。 - 前記データドライバはN(Nは整数)フレーム表示期間毎に前記画素駆動電圧の極性を反転させ、
前記駆動制御部は、互いに時系列的に隣接する1フレーム分の前記映像データ信号同士が一致している場合には所定期間に亘り前記画素駆動電圧の極性を固定すべく前記データドライバを制御することを特徴とする請求項1記載の表示デバイスの駆動装置。 - 前記駆動制御部は、互いに時系列的に隣接する1フレーム分の前記映像データ信号同士が一致している場合にはK(KはNより大なる整数)フレーム表示期間に亘り前記画素駆動電圧の極性を固定することを特徴とする請求項2記載の表示デバイスの駆動装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013241070A JP6462208B2 (ja) | 2013-11-21 | 2013-11-21 | 表示デバイスの駆動装置 |
US14/549,105 US20150138259A1 (en) | 2013-11-21 | 2014-11-20 | Driving device for driving display unit |
CN201410670811.2A CN104658494A (zh) | 2013-11-21 | 2014-11-21 | 显示设备的驱动装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013241070A JP6462208B2 (ja) | 2013-11-21 | 2013-11-21 | 表示デバイスの駆動装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015102595A true JP2015102595A (ja) | 2015-06-04 |
JP6462208B2 JP6462208B2 (ja) | 2019-01-30 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013241070A Active JP6462208B2 (ja) | 2013-11-21 | 2013-11-21 | 表示デバイスの駆動装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20150138259A1 (ja) |
JP (1) | JP6462208B2 (ja) |
CN (1) | CN104658494A (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105448256B (zh) * | 2015-12-22 | 2019-04-05 | 昆山龙腾光电有限公司 | 液晶显示装置及其驱动方法 |
KR102498674B1 (ko) * | 2016-08-31 | 2023-02-09 | 엘지디스플레이 주식회사 | 표시 장치 및 이의 구동 방법 |
JP2018040963A (ja) * | 2016-09-08 | 2018-03-15 | ラピスセミコンダクタ株式会社 | 表示ドライバ及び表示装置 |
JP7101532B2 (ja) * | 2018-04-27 | 2022-07-15 | シャープ株式会社 | 表示制御装置、表示装置及び表示制御方法 |
US11922006B2 (en) * | 2018-06-03 | 2024-03-05 | Apple Inc. | Media control for screensavers on an electronic device |
JP7253332B2 (ja) * | 2018-06-26 | 2023-04-06 | ラピスセミコンダクタ株式会社 | 表示装置及び表示コントローラ |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10221675A (ja) * | 1997-02-12 | 1998-08-21 | Toshiba Corp | 液晶表示装置及び駆動方法 |
JP2004045520A (ja) * | 2002-07-09 | 2004-02-12 | Toshiba Corp | 平面表示装置の駆動方法 |
US20110157252A1 (en) * | 2009-12-28 | 2011-06-30 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and method for manufacturing the semiconductor device |
JP2011145667A (ja) * | 2009-12-18 | 2011-07-28 | Semiconductor Energy Lab Co Ltd | 液晶表示装置の駆動方法 |
JP2011237760A (ja) * | 2009-12-18 | 2011-11-24 | Semiconductor Energy Lab Co Ltd | 液晶表示装置及び電子機器 |
JP2012208270A (ja) * | 2011-03-29 | 2012-10-25 | Renesas Electronics Corp | 表示装置用データ伝送システム、表示装置用データ伝送方法及び表示装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4197322B2 (ja) * | 2004-01-21 | 2008-12-17 | シャープ株式会社 | 表示装置,液晶モニター,液晶テレビジョン受像機および表示方法 |
JP2006053442A (ja) * | 2004-08-13 | 2006-02-23 | Koninkl Philips Electronics Nv | マトリクス駆動回路及びこれを用いた液晶表示装置 |
CN100489933C (zh) * | 2006-06-09 | 2009-05-20 | 友达光电股份有限公司 | 面板模块及其省电方法 |
KR101319276B1 (ko) * | 2006-11-06 | 2013-10-18 | 엘지디스플레이 주식회사 | 액정표시장치 및 그의 구동 방법 |
WO2010143612A1 (ja) * | 2009-06-12 | 2010-12-16 | シャープ株式会社 | 画素回路および表示装置 |
KR101591055B1 (ko) * | 2009-09-08 | 2016-02-03 | 삼성디스플레이 주식회사 | 데이터 구동부, 표시 장치 및 표시 장치의 구동 방법 |
KR101733150B1 (ko) * | 2010-03-05 | 2017-05-25 | 삼성디스플레이 주식회사 | 액정 표시 장치 |
JP5236131B1 (ja) * | 2011-09-06 | 2013-07-17 | シャープ株式会社 | 表示装置およびその駆動方法 |
US20130265288A1 (en) * | 2012-04-05 | 2013-10-10 | Samsung Electronics Co., Ltd. | Liquid Crystal Display Device and Methods of Operating the Same |
KR101982830B1 (ko) * | 2012-07-12 | 2019-05-28 | 삼성디스플레이 주식회사 | 표시 장치 및 그 구동 방법 |
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2013
- 2013-11-21 JP JP2013241070A patent/JP6462208B2/ja active Active
-
2014
- 2014-11-20 US US14/549,105 patent/US20150138259A1/en not_active Abandoned
- 2014-11-21 CN CN201410670811.2A patent/CN104658494A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10221675A (ja) * | 1997-02-12 | 1998-08-21 | Toshiba Corp | 液晶表示装置及び駆動方法 |
JP2004045520A (ja) * | 2002-07-09 | 2004-02-12 | Toshiba Corp | 平面表示装置の駆動方法 |
JP2011145667A (ja) * | 2009-12-18 | 2011-07-28 | Semiconductor Energy Lab Co Ltd | 液晶表示装置の駆動方法 |
JP2011237760A (ja) * | 2009-12-18 | 2011-11-24 | Semiconductor Energy Lab Co Ltd | 液晶表示装置及び電子機器 |
US20110157252A1 (en) * | 2009-12-28 | 2011-06-30 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and method for manufacturing the semiconductor device |
JP2012208270A (ja) * | 2011-03-29 | 2012-10-25 | Renesas Electronics Corp | 表示装置用データ伝送システム、表示装置用データ伝送方法及び表示装置 |
Also Published As
Publication number | Publication date |
---|---|
CN104658494A (zh) | 2015-05-27 |
JP6462208B2 (ja) | 2019-01-30 |
US20150138259A1 (en) | 2015-05-21 |
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