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. 01, 2025
Filed:
Jul. 10, 2024
Seiko Epson Corporation, Tokyo, JP;
Sebdani Mahmood Mazrouei, Markham, CA;
Kumar Anandabairavasamy Anand, Richmond, CA;
Stanislav Zaozerskii, Markham, CA;
Yasutoshi Akiba, Chino, JP;
SEIKO EPSON CORPORATION, , JP;
Abstract
A circuit device controls a display device including light source elements and a display panel. The circuit device includes a luminance analysis circuit and a dimmer circuit. The luminance analysis circuit performs luminance analysis on image data of an input image to output luminance information. The dimmer circuit performs local dimming processing for dimming each of the light source elements based on the luminance information and global dimming processing using a global dimming parameter based on a sensor output of an ambient light sensor, to determine light source luminance information indicating light-emission luminance of each of the light source elements. The dimmer circuit performs dimming processing in which a speed to change the light-emission luminance in the global dimming processing is slower than a speed to change the light-emission luminance in the local dimming processing.