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:
May. 20, 2025
Filed:
Nov. 29, 2021
Applicant:
Nichia Corporation, Anan, JP;
Inventor:
Toshiaki Yamashita, Komatsushima, JP;
Assignee:
NICHIA CORPORATION, Anan, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10H 20/851 (2025.01); G02B 5/20 (2006.01); H10H 20/01 (2025.01);
U.S. Cl.
CPC ...
H10H 20/8512 (2025.01); G02B 5/20 (2013.01); H10H 20/01 (2025.01); H10H 20/0361 (2025.01);
Abstract
A light-transmissive member includes: a light transmitting portion having an emission surface from which light is emitted; and a metal region on the emission surface, wherein the metal region comprises either (i) a metal film having a thickness in a range of 1 nm to 10 nm, or (ii) dispersed metal particles each having a maximum length in a direction perpendicular to the emission surface in a range of 1 nm to 100 nm.