JP2005050797A - 発光装置 - Google Patents
発光装置 Download PDFInfo
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- JP2005050797A JP2005050797A JP2004200816A JP2004200816A JP2005050797A JP 2005050797 A JP2005050797 A JP 2005050797A JP 2004200816 A JP2004200816 A JP 2004200816A JP 2004200816 A JP2004200816 A JP 2004200816A JP 2005050797 A JP2005050797 A JP 2005050797A
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Abstract
【解決手段】 第1の発光素子904と、第2の発光素子905とを一組とした画素900を有し、共通の交流電源回路908から、前記第1の発光素子904の対向電源端子906と前記第2の発光素子905の対向電源端子907とに、逆極性の交流電圧を印加することで、第1の発光素子904と第2の発光素子905とが交互に発光することを特徴とする発光装置。
【選択図】図9
Description
Claims (8)
- 第1の発光素子と
第2の発光素子と
を一組とした画素を有し、
共通の交流電源から、前記第1の発光素子と前記第2の発光素子とに、交流電圧が印加されたときに、
第1の発光素子と第2の発光素子とが交互に発光する
ことを特徴とする発光装置。 - 第1の電極と第3の電極との間に第1の発光層を有する第1の発光素子と、
第2の電極と前記第3の電極との間に第2の発光層を有する第2の発光素子と、
を含み、
共通の交流電源から、
前記第1の発光素子に対し順バイアスが印加されるとき、
前記第2の発光素子に対し逆バイアスが印加され、
前記第1の発光素子に対し逆バイアスが印加されるとき、
前記第2の発光素子に対し順バイアスが印加される
ことを特徴とする発光装置。 - 前記第1の電極と前記第2の電極とは、前記第3の電極の第1の面に対向して設けられていることを特徴とする請求項2に記載の発光装置。
- 前記第3の電極において、前記第1の電極と対向する領域には陰極材料で形成された第1の補助電極を有し、
前記第2の電極には陽極材料で形成された第2の補助電極を有する
ことを特徴とする請求項2または請求項3に記載の発光装置。 - 前記第1の発光層と前記第2の発光層とが接続していることを特徴とする請求項2乃至請求項4のいずれか一項に記載の発光装置。
- 前記第1の発光素子と前記第2の発光素子は、バイポーラ性を有する層を含むことを特徴とする請求項1乃至請求項5のいずれか一項に記載の発光装置。
- スイッチング用TFTと、
第1の電流制御用TFTと、
第2の電流制御用TFTと、
第1の電極と第2の電極との間に第1の発光層を有する第1の発光素子と、
第3の電極と第4の電極との間に第2の発光層を有する第2の発光素子と、
を有し、
前記第1の電流制御用TFTのゲート電極と、前記第2の電流制御用TFTのゲート電極とは、共に前記スイッチング用TFTに接続され、
前記第1の電極は、前記第1の電流制御用TFTに接続され、
前記第3の電極は、前記第2の電流制御用TFTに接続され、
前記スイッチング用TFTがオンのとき、前記第1の電流制御用TFTと前記第2の電流制御用TFTとはオンになり、前記第1の電極と前記第3の電極に電圧が入力され、前記第2の電極と前記第4の電極とのいずれか一の電極には、対向電源から電圧が入力され、前記第1の発光層と前記第2の発光層のいずれか一の発光層に電流が流れる
ことを特徴とする発光装置。 - 前記第1の電流制御用TFTのソースと前記第2の電流制御用TFTのソースとは、共通の電流供給線に接続されていることを特徴とする請求項7に記載の発光装置。
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Cited By (6)
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JP2009175716A (ja) * | 2007-12-27 | 2009-08-06 | Semiconductor Energy Lab Co Ltd | 表示装置および当該表示装置を具備する電子機器 |
JPWO2008126269A1 (ja) * | 2007-03-30 | 2010-07-22 | パイオニア株式会社 | 発光装置 |
KR101137853B1 (ko) * | 2005-08-05 | 2012-04-20 | 엘지디스플레이 주식회사 | 발광표시장치 |
US8564509B2 (en) | 2006-01-16 | 2013-10-22 | Samsung Display Co., Ltd. | Display device and driving method thereof |
JP2015526898A (ja) * | 2012-07-18 | 2015-09-10 | エルジー・ケム・リミテッド | 有機発光素子 |
CN113097258A (zh) * | 2021-03-22 | 2021-07-09 | 深圳市华星光电半导体显示技术有限公司 | 显示面板及显示面板的制备方法 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101137853B1 (ko) * | 2005-08-05 | 2012-04-20 | 엘지디스플레이 주식회사 | 발광표시장치 |
US8564509B2 (en) | 2006-01-16 | 2013-10-22 | Samsung Display Co., Ltd. | Display device and driving method thereof |
JPWO2008126269A1 (ja) * | 2007-03-30 | 2010-07-22 | パイオニア株式会社 | 発光装置 |
JP5058251B2 (ja) * | 2007-03-30 | 2012-10-24 | パイオニア株式会社 | 発光装置 |
JP2009175716A (ja) * | 2007-12-27 | 2009-08-06 | Semiconductor Energy Lab Co Ltd | 表示装置および当該表示装置を具備する電子機器 |
JP2015526898A (ja) * | 2012-07-18 | 2015-09-10 | エルジー・ケム・リミテッド | 有機発光素子 |
CN113097258A (zh) * | 2021-03-22 | 2021-07-09 | 深圳市华星光电半导体显示技术有限公司 | 显示面板及显示面板的制备方法 |
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