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:
Feb. 17, 2026
Filed:
Jan. 27, 2021
Maxell, Ltd., Kyoto, JP;
Hiroshi Nakamori, Kyoto, JP;
Hiroshi Shiina, Kyoto, JP;
Kazuo Shikita, Kyoto, JP;
Yusuke Matsumoto, Kyoto, JP;
MAXELL, LTD., Kyoto, JP;
Abstract
A projection type image display apparatus including a light source apparatus includes a light emitting element emitting blue light; a phosphor receiving the blue light to emit predetermined light; a heat sink provided with a bottom portion and a plurality of heat radiation fins extending from the bottom portion; and a cooling fan arranged to cool the plurality of heat radiation fins of the heat sink. The light emitting element is attached to the bottom portion of the heat sink. The phosphor is attached to the bottom portion of the heat sink at a predetermined interval from the light emitting element. Heat pipes conducting heat by repeating evaporation and liquefaction of working liquid are embedded in the bottom portion. The heat pipes are respectively provided with sections opposing the light emitting element in a thickness direction of the bottom portion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile