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:
Aug. 04, 2020
Filed:
Mar. 30, 2018
Hisense Co., Ltd., Qingdao, Shandong, CN;
Hisense Usa Corp., Suwanee, GA (US);
Hisense International Co., Ltd., Qingdao, Shandong, CN;
Fei Zhao, Shandong, CN;
HISENSE CO., LTD., Qingdao, Shandong, CN;
HISENSE USA CORP., Suwanee, GA (US);
HISENSE INTERNATIONAL CO., LTD., Qingdao, Shandon, CN;
Abstract
A color wheel includes a base substrate and at least one fluorescent block. The base substrate includes a first annular portion and a second annular portion. The at least one fluorescent block is arranged on the first annular portion. The fluorescent block is configured to emit fluorescent light in a predetermined wavelength band after being irradiated with a laser beam. The second annular portion includes at least one color filtering portion, and the color filtering portion is configured to filter the fluorescent light. An inner circumference of the second annular portion is not smaller than an outer circumference of the first annular portion, or an outer circumference of the second annular portion is not larger than an inner circumference of the first annular portion.