DISPLAY DEVICE

A display device in one embodiment includes: a base layer; a circuit layer including a plurality of transistors spaced apart from each other on a base layer, a plurality of insulating layers arranged on the base layer, and a plurality of contact electrodes electrically connected to the transistors;...

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Main Authors LEE JOONGU, LEE YEONHWA, LEE HYOUNG SUB, GWARK HYE JIN, KIM ARONG, HWANG KYU HWAN, KIM JAEIK, PARK JUNGSUN, PARK HEEMIN
Format Patent
LanguageEnglish
Korean
Published 15.02.2023
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Abstract A display device in one embodiment includes: a base layer; a circuit layer including a plurality of transistors spaced apart from each other on a base layer, a plurality of insulating layers arranged on the base layer, and a plurality of contact electrodes electrically connected to the transistors; a first light emitting unit disposed on the circuit layer; a second light emitting unit; and a lower protrusion part disposed between at least one of the transistors and a second lower electrode. At least one of the contact electrodes has a structure that follows the shape of the lower protrusion part in the circuit layer and extends to the upper surface of the lower protrusion part, thereby simplifying an etching process of an encapsulation layer. 일 실시예의 표시 장치는 베이스층, 베이스층 상에서 서로 이격되어 배치된 복수 개의 트랜지스터들, 및 베이스층 상에 배치된 복수 개의 절연층들, 및 트랜지스터들과 전기적으로 연결된 복수 개의 컨택전극들을 포함하는 회로층, 회로층 상에 배치되는 제1 발광 유닛, 제2 발광 유닛, 트랜지스터들 중 적어도 하나의 트랜지스터와 제2 하부 전극 사이에 배치된 하부 돌기부를 포함하고, 상기 컨택전극들 중 적어도 하나는 상기 회로층에서 상기 하부 돌기부의 형상을 추종하며 상기 하부 돌기부의 상면까지 연장되어 배치되는 구조를 가져, 봉지층의 식각 공정을 간소화할 수 있다.
AbstractList A display device in one embodiment includes: a base layer; a circuit layer including a plurality of transistors spaced apart from each other on a base layer, a plurality of insulating layers arranged on the base layer, and a plurality of contact electrodes electrically connected to the transistors; a first light emitting unit disposed on the circuit layer; a second light emitting unit; and a lower protrusion part disposed between at least one of the transistors and a second lower electrode. At least one of the contact electrodes has a structure that follows the shape of the lower protrusion part in the circuit layer and extends to the upper surface of the lower protrusion part, thereby simplifying an etching process of an encapsulation layer. 일 실시예의 표시 장치는 베이스층, 베이스층 상에서 서로 이격되어 배치된 복수 개의 트랜지스터들, 및 베이스층 상에 배치된 복수 개의 절연층들, 및 트랜지스터들과 전기적으로 연결된 복수 개의 컨택전극들을 포함하는 회로층, 회로층 상에 배치되는 제1 발광 유닛, 제2 발광 유닛, 트랜지스터들 중 적어도 하나의 트랜지스터와 제2 하부 전극 사이에 배치된 하부 돌기부를 포함하고, 상기 컨택전극들 중 적어도 하나는 상기 회로층에서 상기 하부 돌기부의 형상을 추종하며 상기 하부 돌기부의 상면까지 연장되어 배치되는 구조를 가져, 봉지층의 식각 공정을 간소화할 수 있다.
Author KIM ARONG
KIM JAEIK
PARK JUNGSUN
PARK HEEMIN
GWARK HYE JIN
LEE HYOUNG SUB
LEE JOONGU
HWANG KYU HWAN
LEE YEONHWA
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– fullname: KIM JAEIK
– fullname: PARK JUNGSUN
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Title DISPLAY DEVICE
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