Invention Grant
- Patent Title: Light emitting device
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Application No.: US15764961Application Date: 2016-09-30
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Publication No.: US10553756B2Publication Date: 2020-02-04
- Inventor: Jong Sub Lee , Hyun Don Song , Ki Man Kang , Seung Hwan Kim , Sung Dal Jung
- Applicant: LG INNOTEK CO., LTD.
- Applicant Address: KR Seoul
- Assignee: LG INNOTEK CO., LTD.
- Current Assignee: LG INNOTEK CO., LTD.
- Current Assignee Address: KR Seoul
- Agency: KED & Associates, LLP
- Priority: KR10-2015-0137808 20150930
- International Application: PCT/KR2016/011024 WO 20160930
- International Announcement: WO2017/057977 WO 20170406
- Main IPC: H01L33/22
- IPC: H01L33/22 ; H01L33/50 ; H01L33/58 ; H01L33/14 ; H01L33/32
Abstract:
An embodiment of the present invention includes: a gallium nitride substrate; and a light-emitting structure disposed on the other surface of the substrate, wherein the substrate includes a plurality of light extraction structures formed on one surface thereof, the thickness of the substrate is 80 μm or more, and the average height of the plurality of light extraction structures is 10 μm or more.
Public/Granted literature
- US20180287013A1 LIGHT EMITTING DEVICE Public/Granted day:2018-10-04
Information query
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