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:
Apr. 21, 2025
Filed:
May. 25, 2022
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Yosuke Honda, Nara, JP;
Yoshiyuki Takahira, Kyoto, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2005.12); G02B 26/00 (2005.12);
U.S. Cl.
CPC ...
G03B 21/204 (2012.12); G02B 26/008 (2012.12);
Abstract
A fluorescent light-emitting module includes: a light source, a phosphor wheel including yellow phosphor that emits first fluorescence when excited by excitation light emitted by the light source; a color wheel including a color filter that trims the first fluorescence to desired color light by cutting a part of the first fluorescence; a red phosphor that emits second fluorescence when excited by a part of the first fluorescence.