Invention Grant
- Patent Title: Light emitting device with good visibility
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Application No.: US17134337Application Date: 2020-12-26
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Publication No.: US11843078B2Publication Date: 2023-12-12
- Inventor: Shusaku Bando , Hirokazu Sasa
- Applicant: NICHIA CORPORATION
- Applicant Address: JP Anan
- Assignee: NICHIA CORPORATION
- Current Assignee: NICHIA CORPORATION
- Current Assignee Address: JP Anan
- Agency: HUNTON ANDREWS KURTH LLP
- Priority: JP 19236640 2019.12.26
- Main IPC: H01L33/50
- IPC: H01L33/50 ; H01L25/075 ; H01L33/58

Abstract:
The light emitting device includes: at least one light emitting element including a light-extracting surface and at least one lateral surface; a wavelength converting member including; a first upper surface and a second upper surface, a lower surface located at an opposite side from the first upper surface and the second upper surface, at least one first lateral surface connecting the second upper surface and the first upper surface, and at least one second lateral surface connecting the second upper surface and the lower surface, in which a thickness between the lower surface and the first upper surface is smaller than a thickness between the lower surface and the second upper surface, and the first upper surface is located at an opposite side from the light-extracting surface of a corresponding one of the at least one light emitting element, and the lower surface is located facing the light-extracting surface of the corresponding one of the at least one light emitting element; a covering member covering the at least one second lateral surface of the wavelength converting member and the at least one lateral surface of the light emitting element; and a light-shielding film covering the second upper surface of the wavelength converting member.
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Information query
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