Invention Grant
- Patent Title: Light emitting device
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Application No.: US16369715Application Date: 2019-03-29
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Publication No.: US10763407B2Publication Date: 2020-09-01
- Inventor: Yoshio Ichihara , Mitsuhiro Isono
- Applicant: NICHIA CORPORATION
- Applicant Address: JP Anan-Shi
- Assignee: NICHIA CORPORATION
- Current Assignee: NICHIA CORPORATION
- Current Assignee Address: JP Anan-Shi
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@729acc0c
- Main IPC: H01L33/54
- IPC: H01L33/54 ; H01L33/48 ; H01L33/56 ; H01L33/60 ; H01L23/00 ; H01L33/62 ; H01L23/16 ; H01L23/31 ; H01L23/04 ; H01L23/02 ; H01L23/28 ; H01L33/44 ; H01L23/10 ; H01L33/52

Abstract:
Alight emitting device includes a package, alight emitting element, and a light-transmissive encapsulant. The package has a top surface and a recessed portion formed with an opening at the top surface. The light emitting element is located on a bottom surface of the recessed portion. The light-transmissive encapsulant is supplied in the recessed portion. The package is provided with a groove formed in the top surface and surrounding the opening. A surface of the groove includes depressed portions and projecting portions. The encapsulant covers at least a part of the surface of the groove, and a portion of the encapsulant that covers the surface of the groove includes a surface irregularity.
Public/Granted literature
- US20190305196A1 LIGHT EMITTING DEVICE Public/Granted day:2019-10-03
Information query
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