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:
Sep. 15, 2026
Filed:
Jun. 04, 2024
Coretronic Corporation, Hsin-Chu, TW;
Chia-Lun Tsai, Hsin-Chu, TW;
Coretronic Corporation, Hsin-Chu, TW;
Abstract
A color wheel module and a projection device. The color wheel module includes a driving element, a first rotating member, a second rotating member and an annular optical member. The first rotating member includes a first reflective area, a second reflective area and a wavelength conversion material. The second reflective area is connected to the first reflective area, and the first reflective area is inclined to the second reflective area. The wavelength conversion material is disposed on the first reflective area. The second rotating member is connected to the first reflective area. The annular optical member is disposed between the first rotating member and the second rotating member to form an optical cavity with the first rotating member and the second rotating member, one of the second rotating member and the annular optical member includes a dichroic layer, and the other includes a filter area and a transmission area.