JP7646397B2 - ディスプレイ装置 - Google Patents
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- JP7646397B2 JP7646397B2 JP2021036692A JP2021036692A JP7646397B2 JP 7646397 B2 JP7646397 B2 JP 7646397B2 JP 2021036692 A JP2021036692 A JP 2021036692A JP 2021036692 A JP2021036692 A JP 2021036692A JP 7646397 B2 JP7646397 B2 JP 7646397B2
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Description
110 画素回路層
210、210R、210G、210B 画素電極
221 第1機能層
222 第2機能層
223、223R、223G、223B 発光層
230 対向電極
240 画素定義膜
PC 画素回路
OLED 有機発光ダイオード
P1、P2、P3 第1画素、第2画素、第3画素
OP1、OP2、OP3 第1開口、第2開口、第3開口
DM1 第1ダム部
DM2 第2ダム部
SDM1 第1サブダム
SDM2 第2サブダム
V バレー
DM1a、DM2a 突出部
Claims (21)
- 基板上に互いに離隔して配置され、互いに異なる色を発光する、第1画素、第2画素、及び第3画素と、
前記第1画素、前記第2画素、及び前記第3画素のそれぞれに対応する開口を含んで発光領域を定義する画素定義膜と、
前記第1画素と前記第2画素との間の前記画素定義膜上に位置した第1ダム部と、
前記第2画素と前記第3画素との間の前記画素定義膜上に位置した第2ダム部と、
前記画素定義膜上に配置されるスペーサと、を備え、
前記第1画素、前記第2画素、及び前記第1ダム部は、第1方向に沿って配置され、前記第2画素、前記第3画素、及び前記第2ダム部は、前記第1方向と交差する第2方向に沿って配置され、
平面上において、前記第1ダム部及び前記第2ダム部のそれぞれは方形であり、
前記第1ダム部の長軸方向は、前記第1方向であり、
前記第2ダム部の長軸方向は、前記第2方向であり、
前記第1ダム部及び前記第2ダム部は、スペーサと同一物質を含む、ディスプレイ装置。 - 基板上に互いに離隔して配置され、互いに異なる色を発光する、第1画素、第2画素、及び第3画素と、
前記第1画素、前記第2画素、及び前記第3画素のそれぞれに対応する開口を含んで発光領域を定義する画素定義膜と、
前記第1画素と前記第2画素との間の前記画素定義膜上に位置した第1ダム部と、
前記第2画素と前記第3画素との間の前記画素定義膜上に位置した第2ダム部と、
前記画素定義膜上に配置されるスペーサと、を備え、
前記第1画素、前記第2画素、及び前記第1ダム部は、第1方向に沿って配置され、前記第2画素、前記第3画素、及び前記第2ダム部は、前記第1方向と交差する第2方向に沿って配置され、
前記第1ダム部及び前記第2ダム部のそれぞれは、第1距離に離隔して配置された第1サブダム及び第2サブダムを含み、
前記第1サブダムと前記第2サブダムとの間に位置するバレー(Valley)をさらに含み、
前記第1ダム部及び前記第2ダム部は、スペーサと同一物質を含む、ディスプレイ装置。 - 基板上に互いに離隔して配置され、互いに異なる色を発光する、第1画素、第2画素、及び第3画素と、
前記第1画素、前記第2画素、及び前記第3画素のそれぞれに対応する開口を含んで発光領域を定義する画素定義膜と、
前記第1画素と前記第2画素との間の前記画素定義膜上に位置した第1ダム部と、
前記第2画素と前記第3画素との間の前記画素定義膜上に位置した第2ダム部と、を備え、
前記第1画素、前記第2画素、及び前記第1ダム部は、第1方向に沿って配置され、前記第2画素、前記第3画素、及び前記第2ダム部は、前記第1方向と交差する第2方向に沿って配置され、
前記第1ダム部の長軸方向は、前記第1方向であり、
前記第1ダム部の短軸方向は、前記第1ダム部の長軸方向と交差する方向であり、
前記第2ダム部の長軸方向は、前記第2方向であり、
前記第2ダム部の短軸方向は、前記第2ダム部の長軸方向と交差する方向であり、
前記第1ダム部は、前記第1ダム部の短軸方向に突出した突出部を含み、
前記第2ダム部は、前記第2ダム部の短軸方向に突出した突出部を含み、
前記第1ダム部の突出部は、前記第1ダム部の短軸方向に沿う1μm以上5μm以下の第3幅を有し、前記第1ダム部の長軸方向に沿う1μm以上5μm以下の第4幅を有する、ディスプレイ装置。 - 前記第1画素と前記第2画素との最短距離は、前記第1画素と前記第3画素との最短距離よりも短い、請求項1~3のいずれか一つに記載のディスプレイ装置。
- 前記第1画素と前記第2画素との最短距離は、17μm未満である、請求項4に記載のディスプレイ装置。
- 前記第1画素と前記第3画素との最短距離は、20μm以上25μm以下である、請求項4に記載のディスプレイ装置。
- 前記第1ダム部及び前記第2ダム部は、前記画素定義膜と同一物質を含んで一体に備えられる、請求項1~3のいずれか一つに記載のディスプレイ装置。
- 前記第1ダム部及び前記第2ダム部は、前記画素定義膜と互いに異なる物質を含む、請求項1~3のいずれか一つに記載のディスプレイ装置。
- 前記第1ダム部及び前記第2ダム部は、逆テーパ状を有する、請求項1~3のいずれか一つに記載のディスプレイ装置。
- 前記第1距離は、1μm以上3μm以下である、請求項2に記載のディスプレイ装置。
- 前記第1ダム部および前記第2ダム部のそれぞれの前記長軸方向は、第1軸方向であって、
前記第1ダム部および前記第2ダム部は、前記第1軸方向に8μm以上12μm以下の第1幅を有し、前記第1軸方向と垂直な第2軸方向に4μm以上8μm以下の第2幅を有する、請求項1または3に記載のディスプレイ装置。 - 前記画素定義膜の前記開口と前記第1ダム部または前記第2ダム部との最短距離は、3μm以下である、請求項1~3のいずれか一つに記載のディスプレイ装置。
- 前記第1画素は、赤色光を発光し、
前記第2画素は、緑光を発光し、
前記第3画素は、青色光を発光する、請求項1~3のいずれか一つに記載のディスプレイ装置。 - 前記第1画素、前記第2画素、及び前記第3画素は、それぞれ複数個備えられ、
前記複数の第1画素及び前記複数の第3画素は、第3方向に沿って交互に配置され、
前記複数の第2画素は、前記第3方向と交差する第4方向に沿って配置される、請求項13に記載のディスプレイ装置。 - 前記第3方向に沿う前記第1ダム部と前記第2ダム部との最短距離は、3μm以下である、請求項14に記載のディスプレイ装置。
- 前記第1ダム部及び前記第2ダム部は、それぞれ複数個備えられ、
前記第4方向に沿う、前記複数の第1ダム部間の最短距離及び前記複数の第2ダム部間の最短距離は、3μm以下である、請求項15に記載のディスプレイ装置。 - 前記第1ダム部及び前記第2ダム部の高さは、2μm以上である、請求項1~3のいずれか一つに記載のディスプレイ装置。
- 前記第1画素は、第1色発光用であり、第1画素電極を有し、
前記第2画素は、第2色発光用であり、第2画素電極を有し、
前記第1画素に対応する開口は、第1開口であって、前記第1画素電極の中央部を露出させ、
前記第2画素に対応する開口は、第2開口であって、前記第2画素電極の中央部を露出させ、
前記第1開口と前記第2開口との最短距離は、17μm未満である、請求項1~3のいずれか一つに記載のディスプレイ装置。 - 前記基板上に配置される第3色発光用第3画素電極と、
前記第2画素電極と前記第3画素電極との間の前記画素定義膜上に配置される第2ダム部と、をさらに含み、
前記第3画素は、前記第3色発光用第3画素電極を有し、
前記画素定義膜は、前記第3画素電極の中央部を露出させる第3開口を有し、
前記第2開口と前記第3開口との最短距離は、17μm未満である、請求項18に記載のディスプレイ装置。 - 前記第1画素電極、前記第1ダム部、及び前記第2画素電極は、前記第1方向に沿って配置され、
前記第2画素電極、前記第2ダム部及び前記第3画素電極は、前記第1方向と交差する第2方向に沿って配置される、請求項19に記載のディスプレイ装置。 - 前記画素定義膜は、前記第1ダム部および前記第2ダム部のいずれから露出する部分を有し、
前記露出する部分の前記基板からの高さは、前記第1ダム部および前記第2ダム部の前記基板からの高さと異なる、請求項1~3のいずれか一つに記載のディスプレイ装置。
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