JP2013190829A - 発光デバイス・ディスプレイを駆動するための方法およびシステム - Google Patents
発光デバイス・ディスプレイを駆動するための方法およびシステム Download PDFInfo
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- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
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Abstract
【解決手段】システムは、ディスプレイの精度を増加するタイミング・スケジュールを提供する。システムは、それによって行のグループ内において動作サイクルが連続的に実行されるタイミング・スケジュールを提供することができる。システムは、それによって複数のフレームについて老化ファクタが使用されるタイミング・スケジュールを提供することができる。
【選択図】図2
Description
Claims (21)
- ディスプレイ・システムであって、
行および列で配列された複数のピクセル回路を含むピクセル・アレイであって、前記ピクセル回路が発光デバイス、キャパシタ、スイッチ・トランジスタ、および前記発光デバイスを駆動するための駆動トランジスタを有するとともに、前記ピクセル回路が、プログラミングのためのパス、および前記駆動トランジスタのスレッショルドを生成するための第2のパスを含む、ピクセルアレイと、
前記ピクセル・アレイに前記プログラミングのためのデータを提供するための第1のドライバと、
1つまたは複数の駆動トランジスタのための前記スレッショルドの生成をコントロールするための第2のドライバと、
を含み、
前記第1のドライバおよび前記第2のドライバは、前記ピクセル・アレイを駆動して前記プログラミングおよび生成動作を独立に実行するディスプレイ・システム。 - 前記ピクセル回路が複数のセグメントに分割され、前記第1のドライバおよび前記第2のドライバは、前記ピクセル・アレイを駆動し、1つのセグメントに対して前記プログラミング動作を、別のセグメントに対して前記生成動作を実行する、請求項1に記載のディスプレイ・システム。
- 各セグメントが複数の行を含み、前記セグメント内の各行のための前記生成動作が順次連続的に実行される、請求項2に記載のディスプレイ・システム。
- 前記ピクセル回路が複数のセグメントに分割され、各セグメントが複数の行を含み、前記セグメント内の各行のための前記生成動作が連続的に実行される、請求項1に記載のディスプレイ・システム。
- 前記スイッチ・トランジスタが第1のスイッチ・トランジスタおよび第2のスイッチ・トランジスタを含み、前記第1のスイッチ・トランジスタのゲート端子が第1の選択ラインに接続され、前記第2のスイッチ・トランジスタのゲート端子が第2の選択ラインに接続され、前記第1および第2の選択ラインが前記第2のドライバによって駆動され、前記第2のスイッチ・トランジスタの第1の端子が前記駆動トランジスタのゲート端子に接続され、前記第1のスイッチ・トランジスタの第1の端子がデータ・ラインに接続され、かつ前記第1のスイッチ・トランジスタの第2の端子が前記駆動トランジスタのゲートに接続され、前記データ・ラインが前記第1のドライバによって駆動され、前記キャパシタが前記駆動トランジスタのゲートおよび前記発光デバイスに接続される、請求項1に記載のディスプレイ・システム。
- 前記キャパシタが第1のキャパシタおよび第2のキャパシタを含み、前記スイッチ・トランジスタが第1のスイッチ・トランジスタ、第2のスイッチ・トランジスタ、および第3のスイッチ・トランジスタを含み、前記第1および第2のスイッチ・トランジスタのゲート端子が第1の選択ラインに接続され、前記第3のスイッチ・トランジスタのゲート端子が第2の選択ラインに接続され、前記第1および第2の選択ラインが前記第2のドライバによって駆動され、前記第3のスイッチ・トランジスタの第1の端子が前記第1のドライバによって駆動されるデータ・ラインに接続され、かつ前記第3のスイッチ・トランジスタの第2の端子が前記第1および第2のキャパシタに接続され、前記第2のスイッチ・トランジスタの第1の端子が前記第1およびキャパシタに接続され、前記第1のスイッチ・トランジスタの第1の端子が前記駆動トランジスタおよび前記発光デバイスに接続され、かつ前記第1のスイッチ・トランジスタの第2の端子が前記駆動トランジスタのゲートに接続され、前記第1および第2のキャパシタが直列に前記駆動トランジスタのゲートに接続される、請求項1に記載のディスプレイ・システム。
- ディスプレイ・システムを駆動する方法であって、
前記ディスプレイ・システムが、
行および列で配列された複数のピクセル回路を含むピクセル・アレイであって、前記ピクセル回路が発光デバイス、キャパシタ、スイッチ・トランジスタ、および前記発光デバイスを駆動するための駆動トランジスタを有するとともに、前記ピクセル回路が、プログラミングのためのパス、および前記駆動トランジスタのスレッショルドを生成するための第2のパスを含む、ピクセルアレイと、
を含み、
前記方法が、
1つまたは複数の駆動トランジスタのための前記駆動トランジスタの前記スレッショルドの生成をコントロールするステップ、
前記コントロールするステップとは独立に、前記ピクセル・アレイにプログラミングのためのデータを提供するステップ、
を包含する方法。 - 前記ピクセル回路が複数のセグメントに分割され、各セグメントが複数の行を含み、前記コントロールするステップが、前記セグメント内の各行のための前記生成動作を連続的に実行する、請求項7に記載の方法。
- ディスプレイ・システムであって、
行および列で配列された複数のピクセル回路を含むピクセル・アレイであって、前記ピクセル回路が発光デバイス、キャパシタ、スイッチ・トランジスタ、および前記発光デバイスを駆動するための駆動トランジスタを有する、ピクセルアレイと、
前記ピクセル・アレイにプログラミングのためのデータを提供するための第1のドライバと、
行内の各ピクセル回路の老化ファクタを生成し、対応するピクセル回路内にストアするための第2のドライバであって、複数のフレームのための前記行内の前記ピクセル回路のプログラミングおよび駆動がストアされた老化ファクタに基づく、第2のドライバと、
を含み、
前記ピクセル・アレイが複数のセグメントに分割され、前記老化ファクタを生成するための前記第2のドライバによって駆動される信号ラインのうちの少なくとも1つがセグメント内において共有される、ディスプレイ・システム。 - 前記セグメント内の行のプログラミングのシーケンスが、前記第1および第2のドライバのコントロールの下に変更可能である、請求項9に記載のディスプレイ・システム。
- 表示のために各セグメントに補償区間が割り当てられ、前記補償区間は、補償サイクル、前記老化ファクタを生成するための生成フレーム・サイクル、および前記生成フレーム・サイクル内で生成された前記老化ファクタに基づいて通常動作のための後補償フレーム・サイクルを含み、前記後補償フレーム・サイクルが、前記補償区間内のフレーム数をLで表すとき、(L‐1)サイクルを有する、請求項10に記載のディスプレイ・システム。
- 前記キャパシタが第1のキャパシタおよび第2のキャパシタを含み、前記スイッチ・トランジスタが第1のスイッチ・トランジスタ、第2のスイッチ・トランジスタ、および第3のスイッチ・トランジスタを含み、前記第1および第2のスイッチ・トランジスタのゲート端子が第1の選択ラインに接続され、前記第3のスイッチ・トランジスタのゲート端子が第2の選択ラインに接続され、前記第1および第2の選択ラインが前記第2のドライバによって駆動され、前記第3のスイッチ・トランジスタの第1の端子が前記第1のドライバによって駆動されるデータ・ラインに接続され、かつ前記第3のスイッチ・トランジスタの第2の端子が前記第1および第2のキャパシタに接続され、前記第2のスイッチ・トランジスタの第1の端子が第1および第2のキャパシタに接続され、かつ前記第2のスイッチ・トランジスタの第2の端子が前記第2のドライバによって駆動されるコントロール可能な電圧ラインに接続され、前記第1のスイッチ・トランジスタの第1の端子が前記駆動トランジスタの第1の端子および前記発光デバイスに接続され、かつ前記第1のスイッチ・トランジスタの第2の端子が前記駆動トランジスタのゲートに接続され、前記第1および第2のキャパシタが直列に前記駆動トランジスタのゲートおよびコントロール可能な電圧ラインに接続され、前記駆動トランジスタの前記第2の端子が前記コントロール可能な電圧ラインに接続され、前記選択ラインおよび前記コントロール可能な電圧ラインのうちの少なくとも1つが前記セグメントによって共有される、請求項9に記載のディスプレイ・システム。
- 前記キャパシタが第1のキャパシタおよび第2のキャパシタを含み、前記スイッチ・トランジスタが第1のスイッチ・トランジスタおよび第2のスイッチ・トランジスタを含み、前記第1のスイッチ・トランジスタのゲート端子が第1の選択ラインに接続され、前記第2のスイッチ・トランジスタのゲート端子が第2の選択ラインに接続され、前記第1および第2の選択ラインが前記第2のドライバによって駆動され、前記第2のスイッチ・トランジスタの前記第1の端子が前記第1のドライバによって駆動されるデータ・ラインに接続され、かつ前記第2のスイッチ・トランジスタの第2の端子が前記第1および第2のキャパシタに接続され、前記第1のスイッチ・トランジスタの第1の端子が前記駆動トランジスタの第1の端子および前記発光デバイスに接続され、かつ前記第1のスイッチ・トランジスタの第2の端子が前記駆動トランジスタのゲートに接続され、前記第1および第2のキャパシタが前記駆動トランジスタの前記ゲートおよび前記第2のドライバによって駆動されるコントロール可能な電圧ラインに直列に接続され、前記駆動トランジスタの第2の端子が前記コントロール可能な電圧ラインに接続され、前記選択ラインおよび前記コントロール可能な電圧ラインのうちの少なくとも1つが前記セグメントによって共有される、請求項9に記載のディスプレイ・システム。
- 前記キャパシタが第1のキャパシタおよび第2のキャパシタを含み、前記スイッチ・トランジスタが第1のスイッチ・トランジスタ、第2のスイッチ・トランジスタ、および第3のスイッチ・トランジスタを含み、前記第1のスイッチ・トランジスタのゲート端子が信号ラインに接続され、前記第2のスイッチ・トランジスタのゲート端子が第1の選択ラインに接続され、前記第3のスイッチ・トランジスタのゲート端子が第2の選択ラインに接続され、前記第1および第2の選択ラインおよび前記信号ラインが前記第2のドライバによって駆動され、前記第1のトランジスタの前記第1の端子が前記第1のキャパシタに接続され、かつ前記第1のスイッチ・トランジスタの前記第2の端子が前記駆動トランジスタの第1の端子に接続され、前記第2のスイッチ・トランジスタの前記第1の端子が前記第1のドライバによって駆動されるデータ・ラインに接続され、かつ前記第2のスイッチ・トランジスタの前記第2の端子が前記第1および第2のキャパシタに接続され、前記第3のスイッチ・トランジスタの第1の端子が前記駆動トランジスタの前記第1の端子に接続され、前記第1および第2のキャパシタが前記駆動トランジスタのゲートに直列に接続され、前記選択ラインおよび前記信号ラインのうちの少なくとも1つが前記セグメントによって共有される、請求項9に記載のディスプレイ・システム。
- 前記電圧ラインが前記第2のドライバによってコントロール可能であり、前記第2の選択ラインが前記コントロール可能な電圧ラインであり、前記信号ラインおよび前記コントロール可能な電圧ラインのうちの少なくとも1つが前記セグメントによって共有される、請求項13に記載のディスプレイ・システム。
- 行および列で配列された複数のピクセル回路を含むピクセル・アレイを包含するディスプレイ・システムを駆動する方法であって、
前記ピクセル回路が、発光デバイス、キャパシタ、スイッチ・トランジスタ、および前記発光デバイスを駆動するための駆動トランジスタを有し、前記ピクセル・アレイが複数のセグメントに分割され、
前記方法が、
各行について、セグメント信号を使用して各ピクセル回路の老化ファクタを生成し、前記老化ファクタを対応するピクセル回路内にストアするステップ、および前記セグメント信号が各セグメントによって共有されること、および
前記ストアされた老化ファクタに基づいて複数のフレームについて前記行内の前記ピクセル回路をプログラムし、駆動するステップ、
を包含する方法。 - さらに、前記セグメント内の行のプログラミングのシーケンスを変更するステップを包含する、請求項16に記載の方法。
- 表示について各セグメントに対して補償区間が割り当てられ、前記補償区間が補償サイクル、前記老化ファクタを生成するための生成フレーム・サイクル、および前記生成フレーム・サイクル内で生成された前記老化ファクタを使用する通常動作のための後補償フレーム・サイクルを含み、前記後補償フレーム・サイクルが、前記補償区間内のフレーム数をLで表すとき、(L‐1)サイクルを有する、請求項17に記載の方法。
- 前記トランジスタのうちの少なくとも1つが、アモルファス・シリコン、ナノ/マイクロ結晶質シリコン、ポリ・シリコン、有機トランジスタを含む有機半導体、MOSFETを含むNMOS/PMOSテクノロジまたはCMOSテクノロジ、p型材料、またはn型材料を使用して製造される、請求項1または9に記載のディスプレイ・システム。
- 発光デバイスのためのピクセル・ドライバであって、
請求項5、6、12、13、14、および15のうちのいずれか1つによって定義されるキャパシタ、スイッチ・トランジスタ、および駆動トランジスタを包含するピクセル・ドライバ。 - 前記トランジスタのうちの少なくとも1つが、アモルファス・シリコン、ナノ/マイクロ結晶質シリコン、ポリ・シリコン、有機トランジスタを含む有機半導体、MOSFETを含むNMOS/PMOSテクノロジまたはCMOSテクノロジ、p型材料、またはn型材料を使用して製造される、請求項20に記載のピクセル・ドライバ。
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Also Published As
Publication number | Publication date |
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KR20080032072A (ko) | 2008-04-14 |
JP2008542845A (ja) | 2008-11-27 |
US10388221B2 (en) | 2019-08-20 |
JP6207472B2 (ja) | 2017-10-04 |
US20160217737A1 (en) | 2016-07-28 |
US20180018919A1 (en) | 2018-01-18 |
WO2006130981A1 (en) | 2006-12-14 |
CN102663977B (zh) | 2015-11-18 |
US9330598B2 (en) | 2016-05-03 |
US20060290614A1 (en) | 2006-12-28 |
JP2014240972A (ja) | 2014-12-25 |
US20110012884A1 (en) | 2011-01-20 |
EP1904995A1 (en) | 2008-04-02 |
JP2014194582A (ja) | 2014-10-09 |
US7852298B2 (en) | 2010-12-14 |
US20140375705A1 (en) | 2014-12-25 |
US8860636B2 (en) | 2014-10-14 |
TW200707376A (en) | 2007-02-16 |
EP1904995A4 (en) | 2011-01-05 |
CN102663977A (zh) | 2012-09-12 |
JP5355080B2 (ja) | 2013-11-27 |
US9805653B2 (en) | 2017-10-31 |
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