Invention Application
- Patent Title: DISPLAY DEVICE
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Application No.: US17417422Application Date: 2019-10-14
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Publication No.: US20220085331A1Publication Date: 2022-03-17
- Inventor: Byunghan YOO , Geebum KIM , Sangwoo KIM , Chaungi CHOI , Jungha SON , Taekyung AHN , Kijune LEE , Jaeik LIM
- Applicant: Samsung Display Co., Ltd.
- Applicant Address: KR Yongin-si
- Assignee: Samsung Display Co., Ltd.
- Current Assignee: Samsung Display Co., Ltd.
- Current Assignee Address: KR Yongin-si
- Priority: KR10-2018-0171135 20181227
- International Application: PCT/KR2019/013432 WO 20191014
- Main IPC: H01L51/52
- IPC: H01L51/52 ; H01L27/32

Abstract:
A display device having an improved light-extraction efficiency and a reduced color sense variation according to a viewing angle includes a pixel electrode on a substrate, an insulating layer defining an emission area via an opening that covers edges of the pixel electrode and exposes a center portion of the pixel electrode, a first light extraction pattern on the pixel electrode, the first light extraction pattern having a side surface inclined at a first angle, and a second light extraction pattern surrounding the first light extraction pattern on an outer portion of the first light extraction pattern, the second light extraction pattern having a side surface inclined at a second angle that is less than the first angle.
Public/Granted literature
- US11871608B2 Display device Public/Granted day:2024-01-09
Information query
IPC分类: