JP2008242336A5 - - Google Patents
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- JP2008242336A5 JP2008242336A5 JP2007086205A JP2007086205A JP2008242336A5 JP 2008242336 A5 JP2008242336 A5 JP 2008242336A5 JP 2007086205 A JP2007086205 A JP 2007086205A JP 2007086205 A JP2007086205 A JP 2007086205A JP 2008242336 A5 JP2008242336 A5 JP 2008242336A5
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- JP
- Japan
- Prior art keywords
- display device
- voltage
- driver circuit
- circuit
- source driver
- Prior art date
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Claims (10)
映像信号を出力するソースドライバ回路と、
前記表示画面の画素行を順次選択するゲートドライバ回路と、
前記EL素子のアノード電圧とカソード電圧のうち、少なくとも一方の電圧を発生する電源回路とを具備し、
前記電源回路は、前記アノード電圧を出力するアノード端子と前記カソード電圧を出力するカソード端子のうち、少なくとも一方の端子を電気的にハイインピーダンスにする機能を有することを特徴とするEL表示装置。 A panel substrate having a display screen in which pixels having EL elements are arranged in a matrix;
A source driver circuit for outputting a video signal;
A gate driver circuit for sequentially selecting pixel rows of the display screen;
A power supply circuit that generates at least one of an anode voltage and a cathode voltage of the EL element;
The EL display device according to claim 1, wherein the power supply circuit has a function of electrically setting at least one of an anode terminal for outputting the anode voltage and a cathode terminal for outputting the cathode voltage to have a high impedance .
前記パネル基板に前記ソースドライバ回路が形成または実装されており、
前記フレキシブル基板に前記電源回路が形成または実装されており、
前記フレキシブル基板が、前記パネル基板に接続されていることを特徴とする請求項1記載のEL表示装置。 Further comprising a flexible substrate,
The source driver circuit is formed or mounted on the panel substrate;
The power supply circuit is formed or mounted on the flexible substrate,
The EL display device according to claim 1 , wherein the flexible substrate is connected to the panel substrate .
前記ソース信号線へ電圧を印加するスイッチ回路が形成されていることを特徴とする請求項1記載のEL表示装置。 2. The EL display device according to claim 1, further comprising a switch circuit for applying a voltage to the source signal line.
前記駆動用トランジスタは、Pチャンネルトランジスタであることを特徴とする請求項1記載のEL表示装置。 2. The EL display device according to claim 1, wherein the driving transistor is a P-channel transistor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007086205A JP4751359B2 (en) | 2007-03-29 | 2007-03-29 | EL display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007086205A JP4751359B2 (en) | 2007-03-29 | 2007-03-29 | EL display device |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008242336A JP2008242336A (en) | 2008-10-09 |
JP2008242336A5 true JP2008242336A5 (en) | 2009-03-26 |
JP4751359B2 JP4751359B2 (en) | 2011-08-17 |
Family
ID=39913728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007086205A Active JP4751359B2 (en) | 2007-03-29 | 2007-03-29 | EL display device |
Country Status (1)
Country | Link |
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JP (1) | JP4751359B2 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010204617A (en) * | 2009-03-24 | 2010-09-16 | Casio Computer Co Ltd | Display device and method for manufacturing display device |
US8427170B2 (en) | 2009-03-05 | 2013-04-23 | Casio Computer Co., Ltd. | Drive circuit array substrate and production and test methods thereof |
JP2010231187A (en) * | 2009-03-05 | 2010-10-14 | Casio Computer Co Ltd | Drive circuit array substrate and production and test methods thereof |
JP5594977B2 (en) * | 2009-03-24 | 2014-09-24 | エルジー ディスプレイ カンパニー リミテッド | Image display device |
CN107561752B (en) * | 2017-09-28 | 2020-04-10 | 上海天马微电子有限公司 | Array substrate, driving method thereof and display panel |
JP7012548B2 (en) * | 2018-02-07 | 2022-01-28 | シャープ株式会社 | Display device and display system |
CN114255680A (en) * | 2020-09-24 | 2022-03-29 | 华为技术有限公司 | Display device, detection method thereof, storage medium, display driving chip and equipment |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10214060A (en) * | 1997-01-28 | 1998-08-11 | Casio Comput Co Ltd | Electric field light emission display device and its driving method |
JP2003066865A (en) * | 2001-08-24 | 2003-03-05 | Matsushita Electric Ind Co Ltd | Display substrate, and method and device for its inspection |
JP4211368B2 (en) * | 2002-11-25 | 2009-01-21 | 沖電気工業株式会社 | Test method for display drive circuit |
JP4039441B2 (en) * | 2003-05-19 | 2008-01-30 | セイコーエプソン株式会社 | Electro-optical device and electronic apparatus |
JP2005134494A (en) * | 2003-10-28 | 2005-05-26 | Toshiba Matsushita Display Technology Co Ltd | El display device |
JP4665419B2 (en) * | 2004-03-30 | 2011-04-06 | カシオ計算機株式会社 | Pixel circuit board inspection method and inspection apparatus |
JP4569194B2 (en) * | 2004-04-28 | 2010-10-27 | ソニー株式会社 | Light emitting device repair method and manufacturing method, light emitting device repair device and manufacturing apparatus |
JP2005338532A (en) * | 2004-05-28 | 2005-12-08 | Tohoku Pioneer Corp | Active drive type light emission display device and electronic equipment mounted with same display device |
JP4984815B2 (en) * | 2006-10-19 | 2012-07-25 | セイコーエプソン株式会社 | Manufacturing method of electro-optical device |
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2007
- 2007-03-29 JP JP2007086205A patent/JP4751359B2/en active Active
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