JP2017151345A - 表示装置 - Google Patents
表示装置 Download PDFInfo
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- JP2017151345A JP2017151345A JP2016035246A JP2016035246A JP2017151345A JP 2017151345 A JP2017151345 A JP 2017151345A JP 2016035246 A JP2016035246 A JP 2016035246A JP 2016035246 A JP2016035246 A JP 2016035246A JP 2017151345 A JP2017151345 A JP 2017151345A
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- switching element
- voltage
- electrode
- display
- display device
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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
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
-
- 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
- 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
- G09G2300/0819—Several active elements per pixel in active matrix panels used for counteracting undesired variations, e.g. feedback or autozeroing
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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
- 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
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/10—Special adaptations of display systems for operation with variable images
- G09G2320/103—Detection of image changes, e.g. determination of an index representative of the image change
-
- 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
- G09G2330/12—Test circuits or failure detection circuits included in a display system, as permanent part thereof
-
- 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
- G09G3/3696—Generation of voltages supplied to electrode drivers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
(表示装置の全体の基本構成)
図1は、本発明の実施の形態1に係る表示装置500の断面図である。表示装置500は、例えば、液晶を利用して映像を表示する液晶表示装置である。なお、表示装置500は、液晶表示装置に限定されず、他の方式の表示装置であってもよい。表示装置500は、例えば、有機EL(Electroluminescence)ディスプレイであってもよい。
次に、本実施の形態の特徴的な処理(以下、「表示安定処理Pr1」ともいう)について説明する。以下においては、表示安定処理Pr1に使用される制御信号を、「制御信号Gts」または「Gts」ともいう。
本実施の形態の変形例の構成は、電圧印加処理が行われる期間を、垂直ブランキング期間Tvbと異なる期間にした構成(以下、「構成Ct2」ともいう)である。構成Ct2における表示装置は、実施の形態1の表示装置500である。
Claims (3)
- 映像を表示する表示装置であって、
前記映像を表示するために使用される第1スイッチング素子と、
前記第1スイッチング素子の状態を検査するための第2スイッチング素子と、を備え、
前記表示装置は、前記第1スイッチング素子を駆動させることにより、前記映像を表示し、
前記第1スイッチング素子および前記第2スイッチング素子の各々であるスイッチング素子は、第1電極、第2電極および第3電極を有し、
前記スイッチング素子の状態には、当該スイッチング素子の前記第1電極および前記第2電極が電気的に接続されたオン状態と、当該スイッチング素子の当該第1電極および当該第2電極が電気的に接続されていないオフ状態とが存在し、
前記第3電極は、前記スイッチング素子の状態を前記オン状態にするための電圧である第1電圧、および、当該スイッチング素子の状態を前記オフ状態にするための電圧である第2電圧が選択的に印加されるための電極であり、
前記第2スイッチング素子の前記第2電極は、前記第1スイッチング素子に接続されており、
前記表示装置は、当該表示装置が前記映像を表示している期間である表示期間において、前記スイッチング素子である前記第2スイッチング素子の状態を前記オフ状態にするための前記第2電圧であるオフ第2電圧を、当該第2スイッチング素子の前記第3電極に印加し、
前記表示装置は、前記第1スイッチング素子の状態が前記オフ状態である期間において、前記第1電圧、または、前記オフ第2電圧の値と当該第1電圧の値との間の値を示す第3電圧を、前記第2スイッチング素子の前記第3電極に印加する電圧印加処理を行う
表示装置。 - 前記表示装置が表示する前記映像は、当該表示装置が、静止画像である複数のフレームを順次表示することにより、表現され、
前記複数のフレームのうちのn番目のフレームが表示される期間と、当該複数のフレームのうちの(n+1)番目のフレームが表示される期間との間の期間である垂直ブランキング期間において、前記表示装置は前記電圧印加処理を行う
請求項1に記載の表示装置。 - 前記映像は、静止画像を含み、
前記表示装置が前記静止画像全体を表示するための期間には、水平ブランキング期間が含まれ、
前記表示装置は、前記水平ブランキング期間において、前記電圧印加処理を行う
請求項1に記載の表示装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016035246A JP2017151345A (ja) | 2016-02-26 | 2016-02-26 | 表示装置 |
US15/435,010 US10522063B2 (en) | 2016-02-26 | 2017-02-16 | Display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016035246A JP2017151345A (ja) | 2016-02-26 | 2016-02-26 | 表示装置 |
Publications (2)
Publication Number | Publication Date |
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JP2017151345A true JP2017151345A (ja) | 2017-08-31 |
JP2017151345A5 JP2017151345A5 (ja) | 2019-03-14 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2016035246A Pending JP2017151345A (ja) | 2016-02-26 | 2016-02-26 | 表示装置 |
Country Status (2)
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US (1) | US10522063B2 (ja) |
JP (1) | JP2017151345A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6653593B2 (ja) * | 2016-02-29 | 2020-02-26 | パナソニック液晶ディスプレイ株式会社 | 表示装置及び表示装置の検査方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0635414A (ja) * | 1992-07-16 | 1994-02-10 | Nec Corp | アクティブマトリクス型液晶表示装置とその駆動方法 |
JP2008224863A (ja) * | 2007-03-09 | 2008-09-25 | Hitachi Displays Ltd | 画像表示装置 |
JP2010169739A (ja) * | 2009-01-20 | 2010-08-05 | Videocon Global Ltd | アクティブマトリックス型液晶パネル |
JP2011242742A (ja) * | 2010-05-13 | 2011-12-01 | Samsung Mobile Display Co Ltd | 液晶表示装置および液晶表示装置の検査方法 |
JP2014134647A (ja) * | 2013-01-10 | 2014-07-24 | Mitsubishi Electric Corp | 表示装置及びその検査方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3667548B2 (ja) | 1998-03-27 | 2005-07-06 | シャープ株式会社 | アクティブマトリクス型液晶表示パネル及びその検査方法 |
WO2012057044A1 (ja) * | 2010-10-28 | 2012-05-03 | シャープ株式会社 | 表示装置およびその表示方法、ならびに液晶表示装置 |
US9342181B2 (en) * | 2012-01-09 | 2016-05-17 | Nvidia Corporation | Touch-screen input/output device touch sensing techniques |
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2016
- 2016-02-26 JP JP2016035246A patent/JP2017151345A/ja active Pending
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2017
- 2017-02-16 US US15/435,010 patent/US10522063B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0635414A (ja) * | 1992-07-16 | 1994-02-10 | Nec Corp | アクティブマトリクス型液晶表示装置とその駆動方法 |
JP2008224863A (ja) * | 2007-03-09 | 2008-09-25 | Hitachi Displays Ltd | 画像表示装置 |
JP2010169739A (ja) * | 2009-01-20 | 2010-08-05 | Videocon Global Ltd | アクティブマトリックス型液晶パネル |
JP2011242742A (ja) * | 2010-05-13 | 2011-12-01 | Samsung Mobile Display Co Ltd | 液晶表示装置および液晶表示装置の検査方法 |
JP2014134647A (ja) * | 2013-01-10 | 2014-07-24 | Mitsubishi Electric Corp | 表示装置及びその検査方法 |
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US10522063B2 (en) | 2019-12-31 |
US20170249883A1 (en) | 2017-08-31 |
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