The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 26, 2023
Filed:
Dec. 19, 2022
Nichia Corporation, Anan, JP;
NICHIA CORPORATION, Anan, JP;
Abstract
A light emitting device includes: a light emitting element configured to emit first light; a first wavelength conversion member disposed on the light emitting element and having a lower surface bonded to the light emitting element, an upper surface, and a lateral surface that meets the upper surface, the first wavelength conversion member being configured to emit second light when excited by the first light; a second wavelength conversion member covering the lateral surface of the first wavelength conversion member without covering the upper surface of the first wavelength conversion member, the second wavelength conversion member having an oblique surface extending outward from the lateral surface of the first wavelength conversion member, the second wavelength conversion member being configured to emit third light when excited by at least one of the first light and the second light; and a first light reflecting member covering the oblique surface.