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:
Oct. 20, 2026
Filed:
Jul. 23, 2025
Panasonic Holdings Corporation, Osaka, JP;
Takashi Ikeda, Osaka, JP;
Yusaku Nishikawa, Osaka, JP;
Shigeyoshi Matsui, Osaka, JP;
Taichi Yoshimura, Osaka, JP;
PANASONIC PROJECTOR & DISPLAY CORPORATION, Osaka, JP;
Abstract
A wavelength conversion wheel according to the present disclosure includes: a base plate rotatable around an axis; and at least one wavelength conversion element arranged on the base plate and the wavelength conversion element including a wavelength conversion material that is capable of converting incident light to light of a different wavelength. The wavelength conversion element includes at least one segment, the segment is defined by an inner arc edge, an outer arc edge, and both side edges each connecting two corresponding end points of the inner arc edge and the outer arc edge, the outer arc edge includes a first arcuate section having the same shape and arc length as that for the inner arc edge, and the wavelength conversion element is arranged so that concave sides of the inner arc edges and the outer arc edges face toward the inside of the base plate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile