JP4883729B2 - 液晶表示装置および液晶表示装置の駆動方法 - Google Patents
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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 81
- 238000000034 method Methods 0.000 title claims description 16
- 239000000758 substrate Substances 0.000 claims description 17
- 239000011159 matrix material Substances 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 description 7
- 206010047571 Visual impairment Diseases 0.000 description 6
- 230000005684 electric field Effects 0.000 description 6
- 239000010409 thin film Substances 0.000 description 5
- 101000746134 Homo sapiens DNA endonuclease RBBP8 Proteins 0.000 description 3
- 101000969031 Homo sapiens Nuclear protein 1 Proteins 0.000 description 3
- 102100021133 Nuclear protein 1 Human genes 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
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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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
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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
- G09G3/3655—Details of drivers for counter electrodes, e.g. common electrodes for pixel capacitors or supplementary storage capacitors
-
- 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
- G09G2310/0243—Details of the generation of driving signals
- G09G2310/0245—Clearing or presetting the whole screen independently of waveforms, e.g. on power-on
-
- 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
- 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
- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Nonlinear Science (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Description
Claims (4)
- 基板上にマトリクス状に配置された複数の第1電極と、
前記複数の第1電極の配列する行に沿って延びる走査線と、
前記複数の第1電極の配列する列に沿って延びる信号線と、
前記走査線と前記信号線との交差部近傍に配置され、前記走査線に供給された信号により前記信号線と前記第1電極との接続を切り替える画素スイッチと、
前記走査線を順次駆動する走査線駆動回路と、
前記行方向に並ぶ複数の前記第1電極と絶縁層を介して対向するように配置された第2電極と、
前記第2電極に第1電圧を供給する第1供給配線および第2電圧を供給する第2供給配線と、
前記第1供給配線および前記第2供給配線と前記第2電極との間に配置され、制御手段から出力された信号により、前記第1供給配線と前記第2電極との接続および前記第2供給配線と前記第2電極との接続を切り替える第1切替手段と、
前記第1供給配線と前記信号線との間に配置され、前記制御手段から出力された信号により前記第1供給配線と前記信号線との接続を切り替える第2切替手段と、
前記走査線駆動回路および前記制御手段から出力された信号が供給され、前記走査線に前記画素スイッチをオンする信号を供給可能に構成されたゲートオープン手段と、を備え、
前記制御手段は、前記液晶表示装置の電源がオフされた時に、前記第1切替手段を制御して、前記第1供給配線と前記第2電極とを接続させ、前記第2切替手段を制御して前記第1供給配線と前記信号線とを接続させ、前記ゲートオープン手段に全ての前記走査線に前記画素スイッチをオンする信号を、前記第1切替手段、前記第2切替手段、および前記ゲートオープン手段に供給するように構成された液晶表示装置。 - 前記第1切替手段は、前記制御手段から出力された制御信号により動作を制御され、前記第1供給配線と前記第2電極との接続を切り替える第1スイッチング素子と、前記第2供給配線と前記第2電極との接続を切り替える第2スイッチング素子と、を備え、
前記第2切替手段は、前記制御信号により動作を制御され、前記第1供給配線と前記信号線との接続を切り替える第3スイッチング素子を備え、
前記ゲートオープン手段は、前記走査線駆動回路から出力された信号が入力される否定回路と、前記否定回路から出力された信号と前記制御手段から出力された制御信号とが入力される否定論理積回路とを備え、
前記制御手段は、前記液晶表示装置の電源がオフされたときに、前記制御信号をローレベルとし、前記第1スイッチング素子をオンさせ、前記第2スイッチング素子をオフさせ、前記第3スイッチング素子をオンさせるように構成されている請求項1記載の液晶表示装置。 - 基板上にマトリクス状に配置された複数の第1電極と、
前記複数の第1電極の配列する行に沿って延びる走査線と、
前記複数の第1電極の配列する列に沿って延びる信号線と、
前記走査線と前記信号線との交差部近傍に配置され、前記走査線に供給された信号により前記信号線と前記第1電極との接続を切り替える画素スイッチと、
前記走査線を順次駆動する走査線駆動回路と、
前記行方向に並ぶ複数の前記第1電極と絶縁層を介して対向するように配置された第2電極と、
前記第2電極に電圧を供給する第1供給配線および第2供給配線と、
前記第1供給配線および前記第2供給配線と前記第2電極との間に配置され、前記第1供給配線と前記第2電極との接続および前記第2供給配線と前記第2電極との接続を切り替える第1切替手段と、
前記第1供給配線と前記信号線との間に配置され、前記第1供給配線と前記信号線との接続を切り替える第2切替手段と、
前記走査線駆動回路から出力された信号が供給され、前記走査線に前記画素スイッチをオンする信号を供給可能に構成されたゲートオープン手段と、を備えた液晶表示装置の駆動方法であって、
前記液晶表示装置の電源がオフされた時に、前記第1切替手段を制御して、前記第1供給配線と前記第2電極とを接続させ、
前記第2切替手段を制御して前記第1供給配線と前記信号線とを接続させ、
前記ゲートオープン手段に全ての前記走査線に前記画素スイッチをオンする信号を供給させる液晶表示装置の駆動方法。 - 前記第1切替手段は、前記制御手段から出力された制御信号により動作を制御され、前記第1供給配線と前記第2電極との接続を切り替える第1スイッチング素子と、前記第2供給配線と前記第2電極との接続を切り替える第2スイッチング素子と、を備え、
前記第2切替手段は、前記制御信号により動作を制御され、前記第1供給配線と前記信号線との接続を切り替える第3スイッチング素子を備え、
前記ゲートオープン手段は、前記走査線駆動回路から出力された信号が入力される否定回路と、前記否定回路から出力された信号と前記制御手段から出力された制御信号とが入力される否定論理積回路とを備えた液晶表示装置の駆動方法であって、
前記液晶表示装置の電源がオフされたときに、前記制御信号をローレベルとし、前記第1スイッチング素子をオンさせ、前記第2スイッチング素子をオフさせ、前記第3スイッチング素子をオンさせるように構成されている請求項3記載の液晶表示装置の駆動方法。
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JP2009251250A JP4883729B2 (ja) | 2009-10-30 | 2009-10-30 | 液晶表示装置および液晶表示装置の駆動方法 |
US12/912,100 US8836684B2 (en) | 2009-10-30 | 2010-10-26 | Liquid crystal display device and method of driving the same |
CN201010589068XA CN102054454B (zh) | 2009-10-30 | 2010-10-29 | 液晶显示设备及其驱动方法 |
US14/338,064 US9810933B2 (en) | 2009-10-30 | 2014-07-22 | Liquid crystal display device and method of driving the same |
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US20140333862A1 (en) | 2014-11-13 |
CN102054454A (zh) | 2011-05-11 |
JP2011095622A (ja) | 2011-05-12 |
US20110102405A1 (en) | 2011-05-05 |
CN102054454B (zh) | 2013-07-24 |
US9810933B2 (en) | 2017-11-07 |
US8836684B2 (en) | 2014-09-16 |
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