KR102613734B1 - 유기발광 표시장치 - Google Patents
유기발광 표시장치 Download PDFInfo
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Abstract
Description
도 2는 서브픽셀의 개략적인 회로도이다.
도 3은 서브픽셀의 구체적인 회로도이다.
도 4는 본 발명에 따른 서브픽셀의 평면 레이아웃을 개략적으로 나타낸 도면이다.
도 5는 도 4의 절취선 I-I'에 따라 절취한 단면도이다.
도 6은 본 발명의 바람직한 실시예에 따른 표시장치를 개략적으로 나타낸 평면도이다.
도 7은 도 6을 Ⅱ-Ⅱ', Ⅲ-Ⅲ', Ⅳ-Ⅳ'로 절취한 단면도들이다.
도 8은 제1 전극들의 형상 및 위치 관계를 설명하기 위한 도면이다.
도 9는 본 발명의 효과를 설명하기 위한 도면이다.
도 10 내지 도 13은 제1 전극, 뱅크, 및 유기 발광층의 형성 과정을 시계열적으로 설명하기 위한 도면들이다.
도 14는 제1 전극 및 제2 뱅크의 형상의 다른 예를 설명하기 위한 도면이다.
도 15는 본 발명의 제1 변형예에 따른 표시장치를 개략적으로 나타낸 평면도이다.
도 16은 도 15를 Ⅷ-Ⅷ', Ⅸ-Ⅸ', Ⅹ-Ⅹ'로 절취한 단면도들이다.
도 17은 본 발명의 제2 변형예에 따른 표시장치를 개략적으로 나타낸 평면도이다.
도 18은 도 17을 A-A', B-B' 및 C-C'로 절취한 단면도들이다.
160 : 제1 전극 160-1 : 제1-1 전극
160-2 : 제1-2 전극 160-3 : 제1-3 전극
172 : 제1 뱅크 OA1 : 제1 개구부
176 : 제2 뱅크 OA2 : 제2 개구부
175 : 유기 발광층 180 : 제2 전극
DP : 유기 발광 물질 적하 영역
Claims (13)
- 행 방향 및 상기 행 방향과 교차하는 열 방향을 따라 배열된 복수의 서브 픽셀들을 갖는 기판;
상기 서브 픽셀들에 각각 할당되며, 제3n-2(n은 1 이상의 자연수) 열에 배열되는 제1-1 전극들, 제3n-1 열에 배열되는 제1-2 전극들, 및 제3n 열에 배열되는 제1-3 전극을 갖는 제1 전극들; 및
상기 제1 전극들을 노출하는 개구부를 갖는 뱅크를 포함하고,
상기 제1-1 전극은,
일측 방향으로 돌출된 철부를 포함하고,
상기 제1-3 전극은,
상기 제1-1 전극과 이웃하는 일측에 형성되며, 상기 철부에 대향하는 요부를 포함하고,
상기 뱅크는,
상기 열 방향을 따라 이웃하는 상기 제1 전극들 사이에 배치되는 제1 뱅크; 및
상기 행 방향을 따라 이웃하는 상기 제1 전극들 사이에 배치되는 제2 뱅크를 포함하고,
상기 제2 뱅크는,
제3n-2 열에 배열된 상기 제1-1 전극들과 제3n-1 열에 배열된 상기 제1-2 전극들 사이에서, 직선 형태로 열 방향을 따라 연장되고,
제3n-1 열에 배열된 상기 제1-2 전극들과 제3n 열에 배열된 상기 제1-3 전극들 사이에서, 직선 형태로 열 방향을 따라 연장되고,
제3n 열에 배열된 상기 제1-3 전극들과 제3n-2 열에 배열된 상기 제1-2 전극들 사이에서, 지그 재그 형태로 열 방향을 따라 연장되는, 유기발광 표시장치.
- 제 1 항에 있어서,
상기 제1-1 전극의 철부는,
상기 제1-3 전극의 요부에 인입되는, 유기발광 표시장치.
- 제 1 항에 있어서,
상기 서브 픽셀들은,
상기 제1-1 전극을 갖는 제1 서브 픽셀, 상기 제1-2 전극을 갖는 제2 서브 픽셀, 제1-3 전극을 갖는 제3 서브 픽셀을 포함하고,
상기 제1 서브 픽셀, 상기 제2 서브 픽셀, 상기 제3 서브 픽셀들에 각각 할당된 상기 개구부들의 면적 및 형상은, 서로 상이한, 유기발광 표시장치.
- 제 1 항에 있어서,
상기 뱅크는,
상기 제1 전극들을 각각 노출하는 제1 개구부들을 갖는 제1 뱅크; 및
상기 제1 뱅크 상에 배치되며, 상기 제1 전극들을 각각 노출하는 제2 개구부들을 갖는 제2 뱅크를 포함하는, 유기발광 표시장치.
- 제 4 항에 있어서,
하나의 상기 서브 픽셀에 할당되는, 상기 제1 전극 및 상기 제2 개구부의 평면 형상은 서로 대응되는, 유기발광 표시장치.
- 제 4 항에 있어서,
상기 서브 픽셀들은,
상기 제1-1 전극을 갖는 제1 서브 픽셀, 상기 제1-2 전극을 갖는 제2 서브 픽셀, 제1-3 전극을 갖는 제3 서브 픽셀을 포함하고,
상기 제1 서브 픽셀, 상기 제2 서브 픽셀, 상기 제3 서브 픽셀들에 각각 할당된 상기 제2 개구부들의 면적 및 형상은, 서로 상이한, 유기발광 표시장치.
- 삭제
- 제 1 항에 있어서,
상기 제1 뱅크와 상기 제2 뱅크에 조합 구조에 의해 노출된 상기 제1 전극의 적어도 일 부분은, 발광 영역으로 정의되고,
상기 발광 영역의 평면 형상은,
상기 제1 전극의 평면 형상과 대응되는, 유기발광 표시장치.
- 제 8 항에 있어서,
상기 제1-1 전극을 갖는 제1 서브 픽셀, 상기 제1-2 전극을 갖는 제2 서브 픽셀, 제1-3 전극을 갖는 제3 서브 픽셀을 포함하고,
상기 제1 서브 픽셀, 상기 제2 서브 픽셀, 상기 제3 서브 픽셀들에 각각 할당된 상기 발광 영역들의 면적 및 형상은, 서로 상이한, 유기발광 표시장치.
- 삭제
- 제 1 항에 있어서,
상기 제2 뱅크는,
제3n-2 열에 배열된 제1-1 전극들을 동시에 노출하는 제2-1 개구부들;
제3n-1 열에 배열된 제1-2 전극들을 동시에 노출하는 제2-2 개구부들; 및
제3n 열에 배열된 제1-3 전극들을 동시에 노출하는 제2-3 개구부들을 포함하고,
상기 제2-1 개구부, 상기 제2-2 개구부, 상기 제2-3 개구부의 면적 및 형상은, 서로 상이한, 유기발광 표시장치.
- 제 1 항에 있어서,
상기 철부는,
코너가 라운드된 형상을 갖고,
상기 요부는,
상기 철부의 형상에 대응하여, 코너가 라운드된 형상을 갖는, 유기발광 표시장치.
- 제 1 항에 있어서,
상기 제1 뱅크는,
친수 특성을 갖고,
상기 제2 뱅크는,
소수 특성을 갖는, 유기발광 표시장치.
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US16/714,789 US11569312B2 (en) | 2018-12-24 | 2019-12-15 | Organic light emitting display device |
CN201911291165.8A CN111354767B (zh) | 2018-12-24 | 2019-12-16 | 有机发光显示设备 |
US18/087,860 US20230135044A1 (en) | 2018-12-24 | 2022-12-23 | Organic light emitting display device |
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KR102613734B1 (ko) * | 2018-12-24 | 2023-12-13 | 엘지디스플레이 주식회사 | 유기발광 표시장치 |
CN110649185B (zh) * | 2019-09-26 | 2022-08-09 | 合肥京东方卓印科技有限公司 | 显示基板及其喷墨打印方法、显示装置 |
US11980046B2 (en) * | 2020-05-27 | 2024-05-07 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method for forming an isolation structure having multiple thicknesses to mitigate damage to a display device |
TWI765788B (zh) * | 2021-07-28 | 2022-05-21 | 友達光電股份有限公司 | 顯示面板及其製造方法 |
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