JP2016081066A - 表示装置及びこれを用いた表示パネルの駆動方法 - Google Patents
表示装置及びこれを用いた表示パネルの駆動方法 Download PDFInfo
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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
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
- G09G3/3666—Control of matrices with row and column drivers using an active matrix with the matrix divided into sections
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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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G5/006—Details of the interface to the display terminal
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2230/00—Details of flat display driving waveforms
-
- 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
-
- 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
- G09G2310/0291—Details of output amplifiers or buffers arranged for use in a driving circuit
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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
- 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
- G09G2310/0297—Special arrangements with multiplexing or demultiplexing of display data in the drivers for data electrodes, in a pre-processing circuitry delivering display data to said drivers or in the matrix panel, e.g. multiplexing plural data signals to one D/A converter or demultiplexing the D/A converter output to multiple columns
-
- 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
- G09G2310/04—Partial updating 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
- G09G2310/00—Command of the display device
- G09G2310/06—Details of flat display driving waveforms
- G09G2310/061—Details of flat display driving waveforms for resetting or blanking
-
- 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
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
-
- 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
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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
-
- 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
Abstract
Description
200 タイミングコントローラ
220 映像変換部
240 低周波駆動部
260 信号生成部
320 第1ゲート駆動部
340 第2ゲート駆動部
400 ガンマ基準電圧生成部
500 データ駆動部
510 電源制御部
520 シフトレジスタ
530 ラッチ
540 信号処理部
550 バッファ部
600 電源電圧生成部
Claims (10)
- 第1ゲートライングループが配置される第1表示領域及び前記第1ゲートライングループと断絶される第2ゲートライングループが配置される第2表示領域を含む表示パネルと、
前記第1表示領域に表示される第1入力映像データに基づいて前記第1表示領域の第1駆動周波数を決定し、前記第2表示領域に表示される第2入力映像データに基づいて前記第2表示領域の第2駆動周波数を決定するタイミングコントローラと、
を含むことを特徴とする表示装置。 - 前記第1表示領域及び前記第2表示領域は、水平方向に隣接して配置されることを特徴とする請求項1に記載の表示装置。
- 前記第1表示領域のサイズは、前記第2表示領域のサイズと同一であることを特徴とする請求項1に記載の表示装置。
- 前記第1ゲートライングループにゲート信号を印加する第1ゲート駆動部と、
前記第2ゲートライングループにゲート信号を印加する第2ゲート駆動部と、
をさらに含むことを特徴とする請求項1に記載の表示装置。 - 前記タイミングコントローラは、前記第1入力映像データが動画を含む場合、前記第1駆動周波数を高周波数に決定し、前記第1入力映像データが静止画のみを含む場合、前記第1駆動周波数を低周波数に決定し、
前記タイミングコントローラは、前記第2入力映像データが動画を含む場合、前記第2駆動周波数を高周波数に決定し、前記第2入力映像データが静止画のみを含む場合、前記第2駆動周波数を低周波数に決定することを特徴とする請求項4に記載の表示装置。 - 前記第2入力映像データが動画及び静止画を含む場合、
前記第2ゲート駆動部は前記動画に対応するゲートラインのみにゲート信号を出力することを特徴とする請求項5に記載の表示装置。 - 前記第2入力映像データが動画及び静止画を含む場合、
前記タイミングコントローラは、前記静止画に対応するゲートクロックのパルスをマスキングするゲートマスキング信号を生成することを特徴とする請求項6に記載の表示装置。 - 前記第2入力映像データが動画及び静止画を含む場合、
前記第2ゲート駆動部は、前記動画の開始点に対応するゲートライン以降のゲートラインのみにゲート信号を出力することを特徴とする請求項5に記載の表示装置。 - 前記第2ゲート駆動部は、入力垂直開始信号及びN個の選択信号の入力を受けて、2N個の出力垂直開始信号のうち、前記動画の開始点を示す出力垂直開始信号を選択して出力するゲートデマルチプレクサを含むことを特徴とする請求項8に記載の表示装置。
- 前記第1表示領域及び前記第2表示領域にデータ電圧を出力するデータ駆動部をさらに含み、
前記第1入力映像データが静止画のみを含む場合、ブランク区間の間、前記データ駆動部のうち、前記第1入力映像データに対応する領域のバッファ部がターンオフされることを特徴とする請求項5に記載の表示装置。
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KR10-2014-0140042 | 2014-10-16 | ||
KR1020140140042A KR20160045215A (ko) | 2014-10-16 | 2014-10-16 | 표시 장치 및 이를 이용한 표시 패널의 구동 방법 |
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JP2016081066A true JP2016081066A (ja) | 2016-05-16 |
JP6881888B2 JP6881888B2 (ja) | 2021-06-02 |
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JP2015204518A Active JP6881888B2 (ja) | 2014-10-16 | 2015-10-16 | 表示装置及びこれを用いた表示パネルの駆動方法 |
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US (1) | US9972265B2 (ja) |
JP (1) | JP6881888B2 (ja) |
KR (2) | KR20160045215A (ja) |
CN (1) | CN106205449B (ja) |
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KR20210082134A (ko) | 2021-07-02 |
US9972265B2 (en) | 2018-05-15 |
CN106205449B (zh) | 2021-02-26 |
KR102312958B1 (ko) | 2021-10-15 |
JP6881888B2 (ja) | 2021-06-02 |
CN106205449A (zh) | 2016-12-07 |
KR20160045215A (ko) | 2016-04-27 |
US20160111055A1 (en) | 2016-04-21 |
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