JP5710894B2 - 表示装置 - Google Patents
表示装置 Download PDFInfo
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- JP5710894B2 JP5710894B2 JP2010114974A JP2010114974A JP5710894B2 JP 5710894 B2 JP5710894 B2 JP 5710894B2 JP 2010114974 A JP2010114974 A JP 2010114974A JP 2010114974 A JP2010114974 A JP 2010114974A JP 5710894 B2 JP5710894 B2 JP 5710894B2
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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
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
- G09G3/3659—Control of matrices with row and column drivers using an active matrix the addressing of the pixel involving the control of two or more scan electrodes or two or more data electrodes, e.g. pixel voltage dependant on signal of two 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
- 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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/0426—Layout of electrodes and connections
-
- 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
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/0434—Flat panel display in which a field is applied parallel to the display plane
-
- 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
- G09G2300/0823—Several active elements per pixel in active matrix panels used to establish symmetry in driving, e.g. with polarity inversion
-
- 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
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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)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of El Displays (AREA)
Description
110 表示パネル
120 タイミングコントローラ
130、150、159 データドライバ
131 データ出力部
135 電圧発生ブロック
140 ゲートドライバ
210 コントロールボード
220 連結フィルム
230 印刷回路基板
240 第1チップオンフィルム
250 第2チップオンフィルム
Claims (10)
- 複数の映像信号を出力し、第1制御信号、第2制御信号、及び第3制御信号を出力するタイミングコントローラと、
前記第1制御信号に応答して前記映像信号を第1電圧に変換して出力し、前記第2制御信号に応答して少なくとも一フレーム単位でスイングする第2電圧を出力し、前記第3制御信号に応答して前記第2電圧が反転された位相を有する第3電圧を出力するデータドライバと、
互いに隣接する2つの画素を含む複数の画素を具備する表示パネルとを含み、
前記2つの画素のうちのいずれか1つの画素は、前記第1電圧のうちの対応する1つと、画像を表示するための前記第2電圧とを受信し、前記1つの画素に隣接する他の1つの画素は、前記第1電圧のうちの対応する1つと、同じフレーム単位の間に画像を表示するための前記第3電圧とを受信し、
前記第2制御信号及び前記第3制御信号の各々は、ハイ状態とロー状態とを有し、
前記タイミングコントローラは、
前記第1制御信号のうちデータイネーブル信号を反転させて反転信号を出力するインバータと、
前記データイネーブル信号を予め設定された基準時間だけ遅延させて遅延信号を出力する遅延部と、
前記反転信号と前記遅延信号とを論理積演算(AND)してフラッグ信号を出力する論理回路部と、
前記フラッグ信号のハイ区間をカウンティングして一フレームの最後のハイ区間をアンドフラッグ信号として出力するカウンタと、
前記アンドフラッグ信号に応答して前記第2制御信号及び前記第3制御信号の状態を転換させる状態転換部とを含むことを特徴とする表示装置。 - 前記データドライバは、
アナログ駆動電圧を受信し、前記アナログ駆動電圧と接地電圧との間で表現される複数の階調電圧のうち前記映像信号の各々に対応する階調電圧を選択して前記第1電圧として出力するデータ出力部と、
前記アナログ駆動電圧及び前記接地電圧のうちのいずれか1つを交互に選択して前記第2電圧として出力し、残りの1つを前記第3電圧として出力する電圧生成部とを含むことを特徴とする請求項1に記載の表示装置。 - 前記データドライバは、前記電圧生成部から出力された前記第2電圧及び前記第3電圧の電流量を増幅させるバッファ部をさらに含むことを特徴とする請求項2に記載の表示装置。
- 前記データドライバは、
n(nは1以上の自然数)ビットからなる前記複数の映像信号を前記第1電圧に変換して出力し、
前記nビットからなる予め設定された第1基準信号又は前記nビットからなる予め設定された第2基準信号のうちのいずれか1つを交互に選択し、選択された前記第1基準信号又は前記第2基準信号を前記第2電圧に変換して出力し、
選択されなかった前記第1基準信号又は前記第2基準信号を前記第3電圧に変換して出力するコンバータ部と、
前記コンバータ部から出力された前記第1電圧を出力する出力バッファとを含むことを特徴とする請求項1に記載の表示装置。 - 前記第1基準信号及び前記第2基準信号のうちのいずれか1つは、前記n個のビットが全部ハイ状態であり、残りの1つは、前記n個のビットが全部ロー状態であることを特徴とする請求項4に記載の表示装置。
- 前記出力バッファは、前記コンバータ部から出力された前記第2電圧及び前記第3電圧の電流量を増幅させることを特徴とする請求項4に記載の表示装置。
- 前記コンバータ部から出力された前記第2電圧及び前記第3電圧の電流量を増幅させるバッファ部をさらに含むことを特徴とする請求項4に記載の表示装置。
- 前記2つの画素の各々は、
同じゲート信号を受信するゲートラインに接続され、前記2つの画素の各々に対応する前記第1電圧を受信する第1信号ラインに接続された第1トランジスタと、
前記ゲートラインに接続され、前記2つの画素の各々に対応する前記第2電圧及び前記第3電圧を受信する第2信号ラインに接続された第2トランジスタと、
前記第1トランジスタのドレイン電極に接続された第1画素電極と、
前記第2トランジスタのドレイン電極に接続され、前記第1画素電極に隣接する第2画素電極と、
を含むことを特徴とする請求項1に記載の表示装置。 - 前記表示パネルは、アレイ基板と、前記アレイ基板に対向する対向基板と、前記アレイ基板と前記対向基板との間に介在する液晶層とを含み、
前記複数の画素は、前記アレイ基板の上に具備されることを特徴とする請求項8に記載の表示装置。 - 前記タイミングコントローラが具備されたコントロールボードと、
前記データドライバがチップ形態で実装され、前記表示パネルの一側に付着されるチップオンフィルムと、
前記チップオンフィルムと前記コントロールボードとの間に具備され、前記タイミングコントローラから出力された信号を前記データドライバに供給する印刷回路基板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。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2009-0104260 | 2009-10-30 | ||
KR1020090104260A KR101579272B1 (ko) | 2009-10-30 | 2009-10-30 | 표시장치 |
Publications (2)
Publication Number | Publication Date |
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JP2011095712A JP2011095712A (ja) | 2011-05-12 |
JP5710894B2 true JP5710894B2 (ja) | 2015-04-30 |
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Application Number | Title | Priority Date | Filing Date |
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JP2010114974A Expired - Fee Related JP5710894B2 (ja) | 2009-10-30 | 2010-05-19 | 表示装置 |
Country Status (5)
Country | Link |
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US (1) | US8963822B2 (ja) |
EP (1) | EP2317502B1 (ja) |
JP (1) | JP5710894B2 (ja) |
KR (1) | KR101579272B1 (ja) |
CN (1) | CN102053413B (ja) |
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JP5089252B2 (ja) | 2006-08-07 | 2012-12-05 | 株式会社ジャパンディスプレイウェスト | 電気光学素子の駆動方法、画素回路、電気光学装置および電子機器 |
JP4750780B2 (ja) | 2007-03-16 | 2011-08-17 | エルジー ディスプレイ カンパニー リミテッド | 液晶表示装置 |
US8330700B2 (en) * | 2007-03-29 | 2012-12-11 | Casio Computer Co., Ltd. | Driving circuit and driving method of active matrix display device, and active matrix display device |
JP2009122561A (ja) * | 2007-11-19 | 2009-06-04 | Hitachi Displays Ltd | 液晶表示装置 |
JP2009134043A (ja) | 2007-11-30 | 2009-06-18 | Sanyo Electric Co Ltd | 信号発生回路 |
KR101465606B1 (ko) * | 2008-04-29 | 2014-11-28 | 삼성전자주식회사 | 적은 면적과 높은 효율을 갖는 공통 전압발생기, 이를포함하는 디스플레이 장치, 및 공통 전압 발생방법 |
-
2009
- 2009-10-30 KR KR1020090104260A patent/KR101579272B1/ko not_active IP Right Cessation
-
2010
- 2010-04-16 US US12/761,711 patent/US8963822B2/en not_active Expired - Fee Related
- 2010-04-22 EP EP10004298.5A patent/EP2317502B1/en not_active Not-in-force
- 2010-05-19 JP JP2010114974A patent/JP5710894B2/ja not_active Expired - Fee Related
- 2010-10-22 CN CN201010519772.8A patent/CN102053413B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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CN102053413B (zh) | 2015-08-26 |
KR101579272B1 (ko) | 2015-12-22 |
EP2317502A2 (en) | 2011-05-04 |
EP2317502A3 (en) | 2014-07-09 |
US8963822B2 (en) | 2015-02-24 |
CN102053413A (zh) | 2011-05-11 |
JP2011095712A (ja) | 2011-05-12 |
KR20110047573A (ko) | 2011-05-09 |
US20110102415A1 (en) | 2011-05-05 |
EP2317502B1 (en) | 2017-08-16 |
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