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. 16, 2023
Filed:
Apr. 26, 2022
Nichia Corporation, Anan, JP;
Koki Shibai, Itano-gun, JP;
Shimpei Sasaoka, Itano-gun, JP;
Yoshihiro Sho, Fujiyoshida, JP;
Naoya Kashiwagi, Itano-gun, JP;
NICHIA CORPORATION, Anan, JP;
Abstract
A surface light source includes a plurality of light sources, a substrate, a first member disposed on the substrate and including a plurality of recessed first demarcating portions each including a first inclined portion and a first bottom portion and one or more recessed second demarcating portions each including a second inclined portion and a first opening, and a second member overlying a portion of the first member and including a third inclined portion overlapping with the second inclined portion, a fourth inclined portion adjacent to the third inclined portion and not overlapping with the second inclined portion, a second bottom portion located inside the first opening, and a third bottom portion continuous with a lower end of the fourth inclined portion, and the plurality of light sources being respectively disposed on the substrate exposed in the first bottom portion, the second bottom portion, and the third bottom portion.