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:
Jul. 28, 2026
Filed:
Jan. 21, 2022
Sony Group Corporation, Tokyo, JP;
Keita Mori, Kanagawa, JP;
Sony Group Corporation, Tokyo, JP;
Abstract
A projector apparatus or a light source device includes: a first light source; a second light source, a wavelength of primary color light of the second light source being different from a wavelength of primary color light of the first light source; a phase modulation element to convert light amount distribution of the second light source light; and an amplitude modulation element on which both the first light source light and the second light source light that has passed through the phase modulation element are incident. The signal processing unit generates a drive signal for the amplitude modulation element based on a gamma curve in accordance with a ratio between the first light source light and the second light source light incident on the amplitude modulation element.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile