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:
Jun. 24, 2025
Filed:
Feb. 11, 2022
Nichia Corporation, Anan, JP;
Kiyoshi Enomoto, Komatsushima, JP;
Tatsuya Kanazawa, Anan, JP;
NICHIA CORPORATION, Anan, JP;
Abstract
A light-emitting device includes light-emitting elements to emit first and second lights; a package having a disposition surface on which the light-emitting elements are disposed and a light extracting surface through which the first and second lights are to be emitted; a wave plate bonded to the light extracting surface of the package at a position on which a main portion of the first light is to be incident and a main portion of the second light is not to be incident; a lens member having an incidence surface on which the first light transmitted through the wave plate and the second light emitted from the light extracting surface are to be incident; and bonding parts disposed between the package and the lens member. The wave plate is disposed between the package and the lens member without being in contact with the lens member.