KR102721171B1 - 표시 장치 - Google Patents
표시 장치 Download PDFInfo
- Publication number
- KR102721171B1 KR102721171B1 KR1020190074119A KR20190074119A KR102721171B1 KR 102721171 B1 KR102721171 B1 KR 102721171B1 KR 1020190074119 A KR1020190074119 A KR 1020190074119A KR 20190074119 A KR20190074119 A KR 20190074119A KR 102721171 B1 KR102721171 B1 KR 102721171B1
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- South Korea
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- hole
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- metal
- metal layer
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
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-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/87—Passivation; Containers; Encapsulations
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- H10K59/8731—Encapsulations multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
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- H10K59/873—Encapsulations
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/15—Hole transporting layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/16—Electron transporting layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/17—Carrier injection layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
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- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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Abstract
Description
도 2는 본 발명의 일 실시예에 따른 표시 장치를 개략적으로 도시한 단면도이다.
도 3은 본 발명의 일 실시예에 따른 표시 패널을 개략적으로 도시한 평면도이다.
도 4는 도 3의 표시 패널에 포함된 일 화소의 등가 회로도이다.
도 5는 본 발명의 일 실시예에 따른 표시 패널의 일부를 도시한 평면도이다.
도 6a는 도 5의 AA'선에 다른 단면도이다.
도 6b는 도 6의 B부분을 확대한 단면도이다.
도 6c는 도 6b의 변형 실시예에 따른 단면도이다.
도 7은 내지 도 9는 본 발명의 일 실시예에 따른 표시 패널에 구비된 그루브의 예들을 도시한 단면도들이다.
도 10a 내지 도 10g는 본 발명의 일 실시예에 따른 표시 장치의 제조 공정을 순차적으로 도시한 단면도들이다.
도 11a 내지 도 11g는 본 발명의 다른 실시예에 따른 표시 장치의 제조 공정을 순차적으로 도시한 단면도들이다.
111: 버퍼층
112: 게이트절연층
113: 제1층간절연층
115: 제1층간절연층
117: 제1평탄화층
119: 제2평탄화층
121: 화소정의막
222b: 기능층
223: 대향전극
CM: 연결금속
ST: 금속 적층 구조
L1: 제1금속층
L2: 제2금속층
Claims (20)
- 개구를 포함하는 기판;
상기 개구를 둘러싸는 표시영역에 배치되며, 화소전극, 대향전극, 및 상기 화소전극과 상기 대향전극 사이의 중간층을 각각 포함하는 복수의 표시요소들;
상기 복수의 표시요소들 상에 배치되며, 제1무기봉지층, 상기 제1무기봉지층 상의 제2무기봉지층, 및 상기 제1무기봉지층과 상기 제2무기봉지층 사이의 유기봉지층을 포함하는 봉지층; 및
상기 개구와 상기 표시영역 사이에 위치하는 복수의 금속 적층 구조들;을 포함하며,
상기 복수의 금속 적층 구조들 각각은,
제1홀을 포함하는 제1서브금속층;
상기 제1서브금속층의 아래에 위치하며, 상기 제1홀과 중첩하며 상기 제1홀 보다 큰 직경의 제2홀을 포함하는 제2서브금속층; 및
상기 제2서브금속층 아래에 배치되며, 상기 제1홀 및 상기 제2홀과 중첩하는 제3홀을 포함하는 제3서브금속층;을 포함하고,
상기 제1무기봉지층 및 상기 제2무기봉지층은 상기 개구와 상기 표시영역 사이로 연장되며 서로 접촉하고,
상기 복수의 금속 적층 구조들 중 적어도 어느 하나는, 상기 제1무기봉지층과 상기 제2무기봉지층의 접촉 구조 아래에 위치하는, 표시 장치. - 제1항에 있어서,
상기 제2홀을 정의하는 상기 제2서브금속층의 에지는, 상기 제1홀을 정의하는 상기 제1서브금속층의 에지보다 상기 제2홀의 중심을 향해 더 돌출되어 팁을 형성하고, 상기 중간층에 포함된 적어도 하나의 유기물층은 상기 팁에 의해 분리된, 표시 장치. - 제2항에 있어서,
상기 복수의 금속 적층 구조들의 아래에 배치된 무기절연층을 더 포함하고,
상기 팁에 의해 단절된 상기 적어도 하나의 유기물층의 일부는 상기 무기절연층 상에 위치하는, 표시 장치. - 제2항에 있어서,
상기 대향전극은 상기 팁에 의해 분리된, 표시 장치. - 제2항에 있어서,
상기 적어도 하나의 유기물층은, 홀 수송층, 홀 주입층, 전자 수송층, 전자 주입층 중에서 선택된 하나 또는 그 이상을 포함하는, 표시 장치. - 제1항에 있어서,
상기 제1서브금속층과 상기 제2서브금속층은 서로 다른 금속을 포함하는, 표시 장치. - 제1항에 있어서,
상기 제1서브금속층 위에 위치하며, 상기 제1홀과 중첩하는 홀을 포함하는 유기절연층을 더 포함하는, 표시 장치. - 제7항에 있어서,
상기 유기절연층의 상기 홀의 직경은 상기 제1홀의 직경과 실질적으로 동일하거나 그보다 큰, 표시 장치. - 삭제
- 제1항에 있어서,
상기 제3홀의 직경은 상기 제2홀의 직경과 실질적으로 동일하거나 그 보다 작은, 표시 장치. - 개구, 상기 개구를 둘러싸는 표시영역, 및 상기 개구와 상기 표시영역 사이의 비표시영역을 포함하는 기판;
상기 표시영역에 배치되며, 화소전극, 대향전극, 및 상기 화소전극과 상기 대향전극 사이의 중간층을 각각 포함하는 복수의 표시요소들;
상기 복수의 표시요소들을 커버하고, 제1무기봉지층, 상기 제1무기봉지층 상의 제2무기봉지층, 및 상기 제1무기봉지층과 상기 제2무기봉지층 사이의 유기봉지층을 포함하는 박막봉지층;
상기 비표시영역에 위치하는 격벽; 및
상기 비표시영역에서 상기 격벽과 상기 기판의 상기 개구 사이에 위치하고 복수의 서브금속층들을 구비하는 금속 적층 구조;를 포함하며,
상기 금속 적층 구조는,
제1홀을 포함하는 제1서브금속층; 및
상기 제1서브금속층의 바로 아래에 위치하며, 상기 제1홀과 중첩하는 제2홀을 포함하는 제2서브금속층;을 포함하고,
상기 제1홀을 정의하는 상기 제1서브금속층의 에지는, 상기 제2홀을 정의하는 상기 제2서브금속층의 에지 보다 상기 제2홀의 중심을 향해 돌출된 팁을 포함하고,
상기 제1무기봉지층과 상기 제2무기봉지층은 상기 비표시영역에서 서로 접촉하며, 상기 중간층에 구비된 적어도 하나의 유기물층 또는 상기 대향전극 중 적어도 하나는 상기 제2무기봉지층과 상기 제1무기봉지층의 접촉영역 아래에서 상기 팁에 의해 분리되는, 표시 장치. - 제11항에 있어서,
상기 적어도 하나의 유기물층은, 홀 수송층, 홀 주입층, 전자 수송층, 전자 주입층 중에서 선택된 하나 또는 그 이상을 포함하는, 표시 장치. - 제11항에 있어서,
상기 제1서브금속층과 상기 제2서브금속층은 서로 다른 금속을 포함하는, 표시 장치. - 제13항에 있어서,
상기 제1서브금속층은 티타늄을 포함하고, 상기 제2서브금속층은 알루미늄을 포함하는, 표시 장치. - 제11항에 있어서,
상기 제1서브금속층 위에 위치하고, 상기 제1홀과 중첩하는 홀을 포함하는 절연층을 더 포함하는, 표시 장치. - 제15항에 있어서,
상기 절연층은 유기절연층 또는 무기절연층을 포함하는, 표시 장치. - 제15항에 있어서,
상기 절연층의 상기 홀의 직경은 상기 제1홀의 직경과 실질적으로 동일하거나 그 보다 큰, 표시 장치. - 제11항에 있어서,
상기 금속 적층 구조는,
상기 제2서브금속층 아래에 배치되며, 상기 제1홀 및 상기 제2홀과 중첩하는 제3홀을 포함하는 제3서브금속층을 더 포함하는, 표시 장치. - 제18항에 있어서,
상기 제3홀의 직경은 상기 제2홀의 직경과 실질적으로 동일하거나 그 보다 작은, 표시 장치. - 제11항에 있어서,
상기 제1무기봉지층은, 상기 제1홀 및 상기 제2홀의 각각의 내측면과 연속적으로 중첩하는, 표시 장치.
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US17/850,909 US12207491B2 (en) | 2019-06-21 | 2022-06-27 | Display device including sub-metal layers and tip |
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