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:
Jul. 11, 2023
Filed:
Nov. 30, 2020
Nichia Corporation, Anan, JP;
Eiko Minato, Anan, JP;
Masaaki Katsumata, Anan, JP;
NICHIA CORPORATION, Anan, JP;
Abstract
A surface-emitting light source includes: light-emitting modules; a wiring substrate including a base member having a surface at a light-emitting modules side and a rear surface opposite to that, a wiring layer on the rear surface of the base member and including wiring pads being portions of the wiring layer, electrically-conductive members each supplied across corresponding two or more of a plurality of vias in each of the wiring pads, and a covering layer covering the wiring layer and defining openings in each of which a portion of a corresponding one of the wiring pads is exposed; and an adhesive layer between the light-emitting modules and the wiring substrate. Each light-emitting module has an array of light emitting devices. The covering layer defines the openings at locations corresponding to the wiring pads with an area dimension smaller than respective area dimensions of the wiring pads.