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:
Nov. 27, 2018
Filed:
Dec. 29, 2016
Hoya Candeo Optronics Corporation, Toda-shi, Saitama, JP;
Norio Kobayashi, Toda, JP;
HOYA CANDEO OPTRONICS CORPORATION, Toda-Shi, Saitama, JP;
Abstract
The light irradiating device includes a substrate; a plurality of light emitting diode elements disposed on a surface of the substrate; a cooling unit which is disposed on a rear surface of the substrate; an inner wall which is disposed to enclose a light passage area through which light of the plurality of light emitting diode elements passes; a housing which accommodates the substrate, the plurality of light emitting diode elements, the cooling unit, and the inner wall and generates a space between the inner wall and the housing; an air inlet which introduces air in the light passage area onto the rear surface of the substrate; a flow channel which passes through the rear surface of the substrate and connects the air inlet and the space; and a circulation port which is provided to discharge the air in the space to the light passage area.