JP2021535416A - 表示パネルおよびその駆動方法 - Google Patents
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Abstract
Description
本願は、2018年8月30日に提出された中国出願番号201811004718.2の優先権を主張し、そのすべての公開内容を参照によりここに援用する。
2 遮光層
3 バッファ層
4 半導体層
5
6 ゲート絶縁層
7 中間誘電体層
8 ソース・ドレイン層
9 パッシベーション層
10 カラーフィルタ
11 ブラックマトリクス
12 ガラス層
13 バッファ層
14 半導体層
16 ゲート絶縁層
17 中間誘電体層
18 ソース・ドレイン層
19 パッシベーション層
20 カラーフィルタ
21 樹脂層
22 アノード
23 画素定義層
24 発光層
25 カソード層
26 フィラー層
100 画素ユニット
101 発光素子
110 第1の基板
111 第1のベース基板
112 第1のトランジスタ
120 第2の基板
121 第2のベース基板
122 第2のトランジスタ
123 遮光層
124 第2のカラーフィルタ層
130 接着層
140 検出線
150 サンプリング回路
221 プロセッサ
222 メモリ
1011 第1の電極
1012 発光層
1013 第2の電極
1120 ゲート
1121 第1の端子
1122 第2の端子
1123 活性層
1220 ゲート
1221 第1の端子
1222 第2の端子
1223 活性層
Claims (20)
- 発光素子と前記発光素子の発光を駆動する第1のトランジスタとを備える画素ユニットを備える第1の基板と、
前記第1の基板に対向し、第2のトランジスタを備える第2の基板と、を備える表示パネルであって、
前記第2のトランジスタは、同一の環境条件において、前記第1のトランジスタの第1の閾値電圧の第1のドリフト値と特定の関係を有する、第2の閾値電圧の第2のドリフト値を有するように構成されている、
表示パネル。 - ある温度に起因する前記第1のトランジスタの前記第1の閾値電圧の前記第1のドリフト値は、前記温度に起因する前記第2のトランジスタの前記第2の閾値電圧の前記第2のドリフト値と実質的に同一である、
請求項1に記載の表示パネル。 - 前記第2のトランジスタは、前記第1のトランジスタと構造および材料が実質的に同一であり、前記特定の関係は、前記第2のドリフト値が前記第1のドリフト値に比例するというものである、
請求項1に記載の表示パネル。 - 前記第1のトランジスタと前記第2のトランジスタの活性層は、寸法が同一であり、同一の材料からなり、前記特定の関係は、前記第2のドリフト値と前記第1のドリフト値が同一であるというものである、
請求項1に記載の表示パネル。 - 前記第1のトランジスタと前記第2のトランジスタの前記活性層のドーピング領域は、寸法およびドープ濃度が同一である、
請求項4に記載の表示パネル。 - 前記第1のトランジスタと前記第2のトランジスタの前記活性層のチャネル領域は、アスペクト比が同一である、
請求項4に記載の表示パネル。 - 前記第2のトランジスタの前記第1の基板上の正射影は、前記第1のトランジスタの前記第1の基板上の正射影と実質的に重なる、
請求項1に記載の表示パネル。 - 前記画素ユニットは、複数の第1のトランジスタを備える複数の画素ユニットを備え、
前記第2の基板は、複数の第2のトランジスタを備え、前記複数の第2のトランジスタは、前記複数の第1のトランジスタと一対一で対応する、
請求項1に記載の表示パネル。 - 前記画素ユニットは、複数の第1のトランジスタを備える複数の画素ユニットを備え、
前記第2の基板は、複数の第2のトランジスタを備え、前記複数の第2のトランジスタの各々は、前記複数の第1のトランジスタのうちの2つ以上に対応する、
請求項1に記載の表示パネル。 - 前記第2の基板は、検出回路をさらに備え、前記検出回路は前記第2のトランジスタに接続され、前記第2のトランジスタの前記第2の閾値電圧を検出するように構成される、
請求項1に記載の表示パネル。 - 前記検出回路は、第3のトランジスタと、第4のトランジスタと、第1のコンデンサとを備え、
前記第3のトランジスタのゲートおよび第1の端子は、第1の走査信号およびデータ信号をそれぞれ受信するように構成され、前記第3のトランジスタの第2の端子は、前記第2のトランジスタのゲートに接続され、
前記第2のトランジスタの第1の端子および第2の端子は、第1の電源電圧および前記第4のトランジスタの第1の端子にそれぞれ接続され、
前記第4のトランジスタのゲートおよび第2の端子は、第2の走査信号および検出信号をそれぞれ受信するようにそれぞれ構成され、
前記第1のコンデンサは、前記第2のトランジスタの前記ゲートと前記第2の端子との間に接続されている、
請求項10に記載の表示パネル。 - 前記第2の基板は、遮光層をさらに備え、前記遮光層は、前記第2のトランジスタを外部の環境光から遮るように構成されている、
請求項1に記載の表示パネル。 - 前記第1の基板および前記第2の基板は、第1のカラーフィルタ層と、第2のカラーフィルタ層とをそれぞれ備え、
前記第1のカラーフィルタ層は、前記第1のトランジスタを覆う第1のブラックマトリクスの間の領域に位置し、
前記第2のカラーフィルタ層は、前記第2のトランジスタを覆う第2のブラックマトリクスの間の領域に位置する、
請求項1に記載の表示パネル。 - 前記第1のカラーフィルタ層および前記第2のカラーフィルタ層の第1のベース基板上の正射影は、前記発光素子の前記第1のベース基板上の正射影とそれぞれ実質的に重なっている、
請求項13に記載の表示パネル。 - 前記表示パネルは、有機発光ダイオード表示パネルである、
請求項1から14のいずれか1項に記載の表示パネル。 - 前記第2のトランジスタの前記第2の閾値電圧を検出することにより、前記第1のトランジスタの前記第1の閾値電圧を補償することを含む、
請求項1から15のいずれか1項に記載の表示パネルの駆動方法。 - 前記第2のトランジスタの閾値電圧補償値と前記第1のトランジスタの閾値電圧補償値との間の特定の関係を確立することを含み、
前記第2のトランジスタの前記閾値電圧を検出することにより、前記第1のトランジスタの前記閾値電圧を補償することは、
前記特定の関係および前記第2のトランジスタの前記検出された閾値電圧を用いて、前記第1のトランジスタの前記閾値電圧を補償することを含む、
請求項16に記載の駆動方法。 - 前記第2のトランジスタの前記閾値電圧補償値は、前記第1のトランジスタの前記閾値電圧補償値と実質的に等しい、
請求項17に記載の駆動方法。 - 前記第2のトランジスタの前記閾値電圧を検出することによりリアルタイム温度を取得することをさらに含み、
前記第2のトランジスタの前記閾値電圧を検出することにより、前記第1のトランジスタの前記閾値電圧を補償することは、
前記リアルタイム温度に基づいて前記第1のトランジスタの前記閾値電圧を補償することを含む、
請求項16に記載の駆動方法。 - 前記第2のトランジスタの前記閾値電圧を検出することにより前記リアルタイム温度を取得することは、
前記第2のトランジスタの温度−閾値電圧関係曲線を取得し、前記第2のトランジスタの前記閾値電圧を検出し前記第2のトランジスタの前記温度−閾値電圧関係曲線を参照することにより前記リアルタイム温度を取得することを含み、
前記リアルタイム温度に基づいて前記第1のトランジスタの前記閾値電圧を補償することは、
前記第1のトランジスタの温度−閾値電圧関係曲線を取得し、前記リアルタイム温度を用い前記第1のトランジスタの前記温度−閾値電圧関係曲線を参照することにより前記第1のトランジスタの前記閾値電圧補償値を取得することを含む、
請求項19に記載の駆動方法。
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