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:
Oct. 07, 2025
Filed:
Feb. 09, 2022
Ushio Denki Kabushiki Kaisha, Tokyo, JP;
Takahiro Inoue, Tokyo, JP;
Ushio Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A heating light source device includes a plurality of heating light source modules; each of the heating light source modules includes; a light-emitting element substrate having a placement surface and a back side surface, the back side surface being opposite to the placement surface; a plurality of light-emitting elements mounted on the placement surface; and a cooling member being in contact with the back side surface and including a cooling channel formed inside the cooling member and that communicates cooling medium for cooling the light-emitting elements, an inlet port that introduces the cooling medium into the cooling channel, an outlet port that discharges the cooling medium to the outside of the cooling member; and the cooling channel has a spiral shape being gradually from a center portion side of the light-emitting element substrate to a circumferential edge portion side thereof when viewed from a direction orthogonal to the placement surface.