Invention Grant
- Patent Title: Light-emitting device
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Application No.: US17355798Application Date: 2021-06-23
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Publication No.: US11892157B2Publication Date: 2024-02-06
- Inventor: Motokazu Yamada
- Applicant: NICHIA CORPORATION
- Applicant Address: JP Anan
- Assignee: Nichia Corporation
- Current Assignee: Nichia Corporation
- Current Assignee Address: JP Anan
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP 17167944 2017.08.31 JP 18131915 2018.07.11
- Main IPC: H01L33/00
- IPC: H01L33/00 ; F21V7/00 ; H01L33/56 ; H01L33/50 ; H01L33/46 ; H01L25/075 ; H01L33/60 ; F21Y105/10 ; F21Y115/10

Abstract:
A light-emitting device includes a base member, a plurality of light sources on or above an upper surface of the base member, and a reflector that comprises a plurality of surrounding portions. Each of the plurality of surrounding portions surrounds a respective one of the plurality of light sources in a plan view. Each of the plurality of surrounding portions has inclined lateral surfaces widened upward. Intervals between adjacent ones of the plurality of light sources are constant in the plan view. Upper peripheries of the inclined lateral surfaces of each of the plurality of surrounding portions define an opening having a substantially rectangular shape. The plurality of surrounding portions include a plurality of first surrounding portions and a plurality of second surrounding portions surrounding the plurality of first surrounding portions. An area of the opening of each of the plurality of second surrounding portions is smaller than an area of the opening of each of the plurality of first surrounding portions.
Public/Granted literature
- US20210317970A1 LIGHT-EMITTING DEVICE Public/Granted day:2021-10-14
Information query
IPC分类: