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:
Mar. 12, 2024
Filed:
Aug. 11, 2022
Nichia Corporation, Anan, JP;
Noriaki Hiraide, Suwa-gun, JP;
NICHIA CORPORATION, Anan, JP;
Abstract
A light emission device includes: a wiring board; a plurality of light-emitting elements being disposed on the wiring board and electrically connected to a wiring layer of the wiring board; a first light diffusing member being disposed on the wiring board, the first light diffusing member having a plurality of throughholes and containing a light-diffusive material, each of the plurality of light-emitting elements being disposed in a corresponding one of the plurality of throughholes; a plurality of second light diffusing members covering the plurality of light-emitting elements and being disposed in the plurality of throughholes, each second light diffusing member containing a light-diffusive material, such that a content ratio of the light-diffusive material in each second light diffusing member is higher than a content ratio of the light-diffusive material in the first light diffusing member; and a wavelength converting member.