Invention Grant
- Patent Title: Light emitting display device
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Application No.: US16547224Application Date: 2019-08-21
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Publication No.: US10991727B2Publication Date: 2021-04-27
- Inventor: Dongmin Sim , Kangju Lee , Jintae Kim
- 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: KR10-2018-0103000 20180830
- Main IPC: H01L27/12
- IPC: H01L27/12 ; H01L27/32

Abstract:
Disclosed is a light emitting display device that can enhance light extraction efficiency of light which is emitted from a light emitting element. The light emitting display device includes: an uneven portion that is provided on a substrate and includes a plurality of concave portions separated from each other and protruding portions between the plurality of concave portions; and a light emitting element that is provided on the uneven portion. Each protruding portion includes a vertex portion that is provided between three neighboring concave portions and a connection portion that is connected to two neighboring vertex portions between two neighboring concave portions and has a height less than that of the vertex portions.
Public/Granted literature
- US20200075634A1 LIGHT EMITTING DISPLAY DEVICE Public/Granted day:2020-03-05
Information query
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