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:
Apr. 21, 2026
Filed:
Aug. 21, 2024
Ushio Denki Kabushiki Kaisha, Tokyo, JP;
Mitsuo Funakoshi, Tokyo, JP;
Takahiro Inoue, Tokyo, JP;
Ushio Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided is a light source unit in which mounted light-emitting elements are cooled more homogeneously. The light source unit includes: a substrate having a first main surface on which a plurality of light-emitting diodes (LEDs) are mounted; a first through hole that communicates between the first main surface and a second main surface on a side opposite to the first main surface, the first through hole having a center located within a predetermined range from the center of gravity of the first main surface when viewed in a direction orthogonal to the first main surface of the substrate; a heatsink provided on the side of the second main surface of the substrate; and a first fixing screw that is inserted through the first through hole of the substrate and screwed into a screw hole, provided corresponding to the first through hole, to fix the substrate and the heatsink.