JP4580775B2 - 表示装置及びその駆動方法 - Google Patents
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- JP4580775B2 JP4580775B2 JP2005036652A JP2005036652A JP4580775B2 JP 4580775 B2 JP4580775 B2 JP 4580775B2 JP 2005036652 A JP2005036652 A JP 2005036652A JP 2005036652 A JP2005036652 A JP 2005036652A JP 4580775 B2 JP4580775 B2 JP 4580775B2
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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
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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
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
-
- 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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0876—Supplementary capacities in pixels having special driving circuits and electrodes instead of being connected to common electrode or ground; Use of additional capacitively coupled compensation 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
- G09G2310/0243—Details of the generation of driving signals
- G09G2310/0251—Precharge or discharge of pixel before applying new pixel voltage
-
- 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
- G09G2320/0219—Reducing feedthrough effects in active matrix panels, i.e. voltage changes on the scan electrode influencing the pixel voltage due to capacitive coupling
-
- 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
- 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
Description
Claims (11)
- マトリクス状に配置された複数の画素を備え、
前記画素は、少なくとも、第1のトランジスタと、第2のトランジスタと、画像信号メモリと、付加容量と、電気光学媒体と、共通電極とを備え、
前記画素は、少なくとも信号線と、走査線と、基準電圧線とに接続され、
前記第1のトランジスタのドレイン又はソースのいずれか一方は、前記信号線に接続され、
前記第1のトランジスタのドレイン又はソースのいずれか他方は、前記第2のトランジスタのゲートに接続され、
前記第1のトランジスタのゲートは前記走査線に接続され、
前記第2のトランジスタのドレイン又はソースのいずれか一方は、前記電気光学媒体に接続され、
前記第2のトランジスタのドレイン又はソースのいずれか他方は、前記基準電圧線に接続され、
前記画像信号メモリは、前記第2のトランジスタのゲートと、前記基準電圧線に接続され、
前記付加容量は、前記第2のトランジスタのゲートと、前記第2のトランジスタのドレイン又はソースのいずれか一方に接続され、
前記電気光学媒体は、前記第2のトランジスタのドレイン又はソースのいずれか一方と、前記共通電極とに接続され、
前記付加容量は、前記第2のトランジスタのゲートと、前記第2のトランジスタのソース又はドレインのいずれか一方との重なり部で形成され、
前記第2のトランジスタのソース又はドレインのいずれか一方と前段の走査線との間に接続された保持容量と、前記第2のトランジスタのソース又はドレインのいずれか一方と前記基準電圧線との間に画素電極寄生容量が存在することを特徴とする表示装置。 - マトリクス状に配置された複数の画素を備え、
前記画素は、少なくとも、第1のトランジスタと、第2のトランジスタと、画像信号メモリと、付加容量と、電気光学媒体と、共通電極とを備え、
前記画素は、少なくとも信号線と、走査線と、基準電圧線とに接続され、
前記第1のトランジスタのドレイン又はソースのいずれか一方は、前記信号線に接続され、
前記第1のトランジスタのドレイン又はソースのいずれか他方は、前記第2のトランジスタのゲートに接続され、
前記第1のトランジスタのゲートは前記走査線に接続され、
前記第2のトランジスタのドレイン又はソースのいずれか一方は、前記電気光学媒体に接続され、
前記第2のトランジスタのドレイン又はソースのいずれか他方は、前記基準電圧線に接続され、
前記画像信号メモリは、前記第2のトランジスタのゲートと、前記基準電圧線に接続され、
前記付加容量は、前記第2のトランジスタのゲートと、前記第2のトランジスタのドレイン又はソースのいずれか一方に接続され、
前記電気光学媒体は、前記第2のトランジスタのドレイン又はソースのいずれか一方と、前記共通電極とに接続されるよう構成した表示装置の駆動方法において、
前記画像信号メモリをリフレッシュする走査期間と、前記画像信号メモリに書き込まれた画像信号を保持する画像信号保持期間とを備え、
前記画像保持期間においては、前記基準電圧線の駆動波形はある周波数の矩形波であり、
前記走査期間における、ある走査線を選択する1走査線の選択期間において、
前記電気光学媒体の両端の電圧差を初期化するリセット期間と、前記画像信号メモリに画像信号を書き込む画像信号書き込み期間とを備え、
前記リセット期間においては、前記信号線の電圧をハイレベルとし、
前記画像信号書き込み期間においては、前記信号線の電圧を画像信号に応じてハイレベル又はローレベルとすることを特徴とする表示装置の駆動方法。 - 請求項2に記載の表示装置の駆動方法において、
前記走査期間においては、前記基準電圧線の電圧をハイレベルとすることを特徴とする表示装置の駆動方法。 - 請求項2に記載の表示装置の駆動方法において、
前記第1のトランジスタのゲートと前記第1のトランジスタのドレイン又はソースのいずれか他方との間に存在する寄生容量と、
前記第2のトランジスタのソース又はドレインのいずれか一方と前段の走査線との間に接続された保持容量と、
前記第2のトランジスタのソース又はドレインのいずれか一方と前記基準電圧線との間に画素電極寄生容量が存在することを特徴とする表示装置の駆動方法。 - 請求項2に記載の表示装置の駆動方法において、
1回の画像保持期間に対して、複数回の走査期間を設けたことを特徴とする表示装置の駆動方法。 - 請求項10に記載の表示装置の駆動方法において、
前記複数回の走査期間における最後の、前記第2のトランジスタのドレイン又はソースのいずれか一方に接続される前記電気光学媒体の画素電極電圧の変動ΔVpxwBが、最初の前記画素電極電圧の変動ΔVpxwAより大きいことを特徴とする表示装置の駆動方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2005036652A JP4580775B2 (ja) | 2005-02-14 | 2005-02-14 | 表示装置及びその駆動方法 |
TW094139305A TW200629211A (en) | 2005-02-14 | 2005-11-09 | Display and method of driving same |
CNB2005101357572A CN100414579C (zh) | 2005-02-14 | 2005-12-29 | 显示装置及其驱动方法 |
KR1020060013566A KR100783238B1 (ko) | 2005-02-14 | 2006-02-13 | 표시 장치 및 그 구동 방법 |
US11/352,234 US7710376B2 (en) | 2005-02-14 | 2006-02-13 | Display and method of driving same |
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JP2005036652A JP4580775B2 (ja) | 2005-02-14 | 2005-02-14 | 表示装置及びその駆動方法 |
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JP2006221095A JP2006221095A (ja) | 2006-08-24 |
JP4580775B2 true JP4580775B2 (ja) | 2010-11-17 |
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JP2005036652A Expired - Fee Related JP4580775B2 (ja) | 2005-02-14 | 2005-02-14 | 表示装置及びその駆動方法 |
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Country | Link |
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US (1) | US7710376B2 (ja) |
JP (1) | JP4580775B2 (ja) |
KR (1) | KR100783238B1 (ja) |
CN (1) | CN100414579C (ja) |
TW (1) | TW200629211A (ja) |
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CN1319035C (zh) * | 2003-02-17 | 2007-05-30 | 友达光电股份有限公司 | 主动矩阵式显示器及其像素驱动装置 |
CN1536551A (zh) * | 2003-04-08 | 2004-10-13 | 友达光电股份有限公司 | 有机发光二极管显示面板 |
JP4369710B2 (ja) * | 2003-09-02 | 2009-11-25 | 株式会社 日立ディスプレイズ | 表示装置 |
JP4213637B2 (ja) * | 2003-09-25 | 2009-01-21 | 株式会社日立製作所 | 表示装置及びその駆動方法 |
JP4549889B2 (ja) * | 2004-05-24 | 2010-09-22 | 三星モバイルディスプレイ株式會社 | キャパシタ及びこれを利用する発光表示装置 |
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2005
- 2005-02-14 JP JP2005036652A patent/JP4580775B2/ja not_active Expired - Fee Related
- 2005-11-09 TW TW094139305A patent/TW200629211A/zh not_active IP Right Cessation
- 2005-12-29 CN CNB2005101357572A patent/CN100414579C/zh not_active Expired - Fee Related
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2006
- 2006-02-13 US US11/352,234 patent/US7710376B2/en not_active Expired - Fee Related
- 2006-02-13 KR KR1020060013566A patent/KR100783238B1/ko not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
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TW200629211A (en) | 2006-08-16 |
US7710376B2 (en) | 2010-05-04 |
CN1822076A (zh) | 2006-08-23 |
JP2006221095A (ja) | 2006-08-24 |
KR20060091249A (ko) | 2006-08-18 |
TWI315860B (ja) | 2009-10-11 |
US20060181497A1 (en) | 2006-08-17 |
CN100414579C (zh) | 2008-08-27 |
KR100783238B1 (ko) | 2007-12-06 |
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