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:
Jan. 31, 2017
Filed:
Jan. 20, 2014
Takehiro Nishimori, Kanagawa, JP;
Kazuhiro Fujita, Tokyo, JP;
Toshiharu Murai, Kanagawa, JP;
Ikuo Maeda, Kanagawa, JP;
Tatsuya Takahashi, Tokyo, JP;
Takehiro Nishimori, Kanagawa, JP;
Kazuhiro Fujita, Tokyo, JP;
Toshiharu Murai, Kanagawa, JP;
Ikuo Maeda, Kanagawa, JP;
Tatsuya Takahashi, Tokyo, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A light source unit includes a light emitting element supporter to support a plurality of light emitting elements disposed with a dispersed pattern in a two-dimensional direction as a light emitting element assembly, and light emitted from the light emitting element assembly exits to a target; a light return member disposed at a position facing a light emitting side of the light emitting element assembly while setting a space with the light emitting element supporter, the light return member returning light emitted from the light emitting element assembly toward at an inner side of two dimensional direction of the light emitting element assembly, and a flow path of the cooling air to pass through cooling air supplied from an air supply unit into the space.