JP2017203973A - 液晶表示装置およびその駆動方法 - Google Patents
液晶表示装置およびその駆動方法 Download PDFInfo
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 25
- 235000019557 luminance Nutrition 0.000 description 42
- 238000010586 diagram Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000015654 memory Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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
- G09G3/36—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
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
-
- 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
-
- 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
-
- 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
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
-
- 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
- G09G2320/0209—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display
- G09G2320/0214—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display with crosstalk due to leakage current of pixel switch in active matrix panels
-
- 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
- G09G2320/0233—Improving the luminance or brightness uniformity across 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
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Liquid Crystal (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
【解決手段】液晶表示装置は、液晶表示パネルと、ドライバとを含む。液晶表示パネルは、走査線と、データ線と、画素単位とを含む。画素単位は、それぞれ走査線とデータ線の交差部分に配置され、画素単位は、複数の画素群に分割される。ドライバは、走査線およびデータ線にカップリングされ、表示データに基づいて、走査駆動信号およびデータ駆動信号をそれぞれ走査線およびデータ線に提供することにより、異なる駆動時間点で、または変動する駆動周波数で、液晶表示パネルの画素群を駆動し、それにより、走査駆動周波数が減少した時に生じるフリッカ現象を効果的に防ぎ、液晶表示装置の表示品質を大幅に改善する。
【選択図】図7
Description
102 表示パネル
104 ドライバ
SL1 走査線
DL1 データ線
P1 画素単位
G1〜G4、G1’〜G4’ 画素群
T1 単位駆動期間
t1 第1期間
t2 第2期間
S702〜S704 液晶表示装置の駆動方法のステップ
Claims (10)
- 複数の走査線と、
複数のデータ線と、
前記走査線と前記データ線の複数の交差部分にそれぞれ配置され、対応する前記走査線とデータ線にカップリングされ、複数の画素群に分割された複数の画素単位と、
を含む液晶表示パネルと、
前記走査線および前記データ線にカップリングされ、表示データに基づいて、複数の走査駆動信号および複数のデータ駆動信号をそれぞれ前記走査線および前記データ線に提供し、異なる駆動時間点で、または変動する駆動周波数で、前記画素群を駆動するドライバと、
を含む液晶表示装置。 - 前記ドライバが、同じフレーム周期の異なる時間点で、対応する前記画素群をそれぞれ駆動する請求項1に記載の液晶表示装置。
- 前記液晶表示装置の各単位駆動期間が、第1期間および第2期間を含み、前記ドライバが、前記第1期間において第1駆動周波数で前記画素群を駆動し、前記第2期間において第2駆動周波数で前記画素群を駆動する請求項1に記載の液晶表示装置。
- 前記第2駆動周波数が、前記第1駆動周波数よりも高い請求項3に記載の液晶表示装置。
- 前記画素群の輝度が、前記第2期間において漸進的に変化する請求項3又は4に記載の液晶表示装置。
- 複数の走査線、複数のデータ線、および複数の画素単位を含み、前記複数の画素単位が、それぞれ前記走査線と前記データ線の複数の交差部分に配置されて、対応する前記走査線および前記データ線にカップリングされるとともに、複数の画素群に分割された液晶表示装置の駆動方法であって、
表示データを受信するステップと、
前記表示データに基づいて、複数の走査駆動信号および複数のデータ駆動信号をそれぞれ前記走査線および前記データ線に提供し、異なる駆動時間点で、または変動する駆動周波数で、前記画素群を駆動するステップと、
を含む駆動方法。 - 同じフレーム周期の異なる時間点で、対応する前記画素群をそれぞれ駆動するステップを含む請求項6に記載の駆動方法。
- 前記液晶表示装置の各単位駆動期間が、第1期間および第2期間を含み、前記駆動方法が、
前記第1期間において第1駆動周波数で前記画素群を駆動し、前記第2期間において第2駆動周波数で前記画素群を駆動するステップを含む請求項6に記載の駆動方法。 - 前記第2駆動周波数が、前記第1駆動周波数よりも高い請求項8に記載の駆動方法。
- 前記画素群の輝度が、前記第2期間において漸進的に変化する請求項8又は9に記載の駆動方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201610300481.7 | 2016-05-09 | ||
CN201610300481.7A CN107358922A (zh) | 2016-05-09 | 2016-05-09 | 液晶显示设备及其驱动方法 |
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JP2017203973A true JP2017203973A (ja) | 2017-11-16 |
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US (1) | US20170323610A1 (ja) |
JP (1) | JP2017203973A (ja) |
CN (1) | CN107358922A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112259052A (zh) * | 2020-10-30 | 2021-01-22 | 合肥京东方光电科技有限公司 | 一种亮度调节方法、亮度调节装置和显示装置 |
Families Citing this family (6)
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CN108919537B (zh) * | 2018-07-24 | 2021-07-30 | 上海天马微电子有限公司 | 3d打印用液晶面板的驱动方法及3d打印方法 |
KR102482983B1 (ko) * | 2018-08-02 | 2022-12-30 | 삼성디스플레이 주식회사 | 표시 패널 및 표시 장치 |
KR102647169B1 (ko) | 2019-01-14 | 2024-03-14 | 삼성디스플레이 주식회사 | 표시 장치 및 이를 이용한 표시 패널의 구동 방법 |
CN110164392A (zh) * | 2019-04-28 | 2019-08-23 | 珠海黑石电气自动化科技有限公司 | 一种抗静电干扰的液晶驱动方法、电路、装置及存储介质 |
CN110070821B (zh) * | 2019-05-31 | 2022-08-23 | 上海天马微电子有限公司 | 一种显示面板及其驱动方法和显示装置 |
CN110930926B (zh) * | 2019-12-09 | 2023-07-25 | 厦门天马微电子有限公司 | 显示面板的驱动方法、显示驱动装置和电子设备 |
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2016
- 2016-05-09 CN CN201610300481.7A patent/CN107358922A/zh active Pending
- 2016-06-08 US US15/177,161 patent/US20170323610A1/en not_active Abandoned
- 2016-10-25 JP JP2016208206A patent/JP2017203973A/ja active Pending
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JPS6397921A (ja) * | 1986-10-14 | 1988-04-28 | Seiko Epson Corp | 液晶表示装置 |
JP2003177723A (ja) * | 2001-12-11 | 2003-06-27 | Seiko Epson Corp | 電気光学装置の駆動方法、駆動回路及び電気光学装置並びに電子機器 |
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JP2014153531A (ja) * | 2013-02-08 | 2014-08-25 | Panasonic Liquid Crystal Display Co Ltd | 表示装置 |
JP2014232916A (ja) * | 2013-05-28 | 2014-12-11 | ソニー株式会社 | 画像処理装置、および画像処理方法、並びにプログラム |
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CN112259052A (zh) * | 2020-10-30 | 2021-01-22 | 合肥京东方光电科技有限公司 | 一种亮度调节方法、亮度调节装置和显示装置 |
CN112259052B (zh) * | 2020-10-30 | 2022-01-11 | 合肥京东方光电科技有限公司 | 一种亮度调节方法、亮度调节装置和显示装置 |
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