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:
May. 26, 2026
Filed:
Sep. 29, 2022
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Kohei Ueyama, Osaka, JP;
Shuichiro Yamada, Osaka, JP;
PANASONIC PROJECTOR & DISPLAY CORPORATION, Osaka, JP;
Abstract
A color wheel unit includes a color wheel assembly, a rod integrator, and a holder. The holder includes a first base configured to be attached to a housing of a projection display apparatus, a second base protruding from the first base, and a third base protruding from the second base and to which the rod integrator is attached. The third base includes a first guide wall and a second guide wall configured to guide the color wheel assembly. The color wheel assembly includes a color wheel, a motor configured to rotationally drive the color wheel, and a support part configured to rotatably support the color wheel. The support part includes a first restricting part configured to have a movement thereof restricted and guided by the first guide wall, and a second restricting part configured to have a movement thereof restricted and guided by the second guide wall.