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:
Jul. 21, 2026
Filed:
Jun. 08, 2023
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
PANASONIC PROJECTOR & DISPLAY CORPORATION, Osaka, JP;
Abstract
A phosphor wheel includes a substrate that has a disk shape, and includes a first main surface, a second main surface opposite to the first main surface, and an opening. A phosphor layer has a curved shape and is provided along a circumferential direction of the substrate on the first main surface, and the phosphor layer is provided side by side with the opening in the circumferential direction in plan view. A heat dissipation fin is provided on the second main surface, and a projection is provided on the second main surface, and is different from the heat dissipation fin. The heat dissipation fin and the projection are disposed integrally with the substrate.
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