- Patent Title: Light-emitting display device and method of manufacturing the same
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Application No.: US16101827Application Date: 2018-08-13
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Publication No.: US11101341B2Publication Date: 2021-08-24
- Inventor: Howon Choi
- Applicant: LG Display Co., Ltd.
- Applicant Address: KR Seoul
- Assignee: LG Display Co., Ltd.
- Current Assignee: LG Display Co., Ltd.
- Current Assignee Address: KR Seoul
- Agency: Morgan, Lewis & Bockius LLP
- Priority: KR10-2017-0166243 20171205
- Main IPC: H01L27/32
- IPC: H01L27/32 ; H01L51/52 ; H01L51/56 ; H01L27/12

Abstract:
A light-emitting display device includes: a first substrate, a subpixel on the substrate, a contact area on the first substrate, a cover layer including first to third cover layer portions separated from each other, a first passivation layer, the first passivation layer exposing part of the third cover layer portion, a second passivation layer, a pixel electrode layer including a plurality of pixel electrode layer portions including: a first pixel electrode layer portion, and a second pixel electrode layer portion, an organic insulating layer, the organic insulating layer including: an opening exposing part of the first pixel electrode layer, and a contact hole exposing part of the second pixel electrode layer, an organic emissive layer, and a common electrode layer electrically connected to the second pixel electrode layer, wherein the opening includes a first undercut shape and a second undercut shape.
Public/Granted literature
- US20190172898A1 LIGHT-EMITTING DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME Public/Granted day:2019-06-06
Information query
IPC分类: