Invention Grant
- Patent Title: Light emitting display apparatus
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Application No.: US16716388Application Date: 2019-12-16
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Publication No.: US11417809B2Publication Date: 2022-08-16
- Inventor: Mingeun Choi , KeumKyu Min , Soyoung Jo , Yonghoon 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: Seed IP Law Group LLP
- Priority: KR10-2018-0169922 20181226
- Main IPC: H01L33/58
- IPC: H01L33/58 ; H01L33/50 ; H01L25/075 ; H01L33/38

Abstract:
A light emitting display apparatus is disclosed, which can improve light extraction efficiency of light emitted from a light emitting diode. The light emitting display apparatus comprises a substrate including a plurality of pixel areas having an opening area, an uneven portion arranged in the opening area, and a light emitting diode arranged over the uneven portion, the uneven portion may have roughness average value of about 0.19 to about 0.29 for a unit size.
Public/Granted literature
- US20200212275A1 LIGHT EMITTING DISPLAY APPARATUS Public/Granted day:2020-07-02
Information query
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