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, 2026
Filed:
Dec. 09, 2024
Shanghai Tianma Micro-electronics Co., Ltd., Shanghai, CN;
Kouichi Ooga, Kawasaki, JP;
SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., Shanghai, CN;
Abstract
A display device includes a backlight including a plurality of backlight blocks, a display panel configured to display an image with light from the backlight, and a controller. The controller is configured to acquire a video frame, determine gray-level feature values to be associated with the plurality of backlight blocks from gray levels of pixels specified in the video frame, determine emission amounts for the plurality of backlight blocks from the gray-level feature values in accordance with a current conversion function, and determine whether to change the current conversion function based on results of comparison of a statistic of the emission amounts of the plurality of backlight blocks with one or more predetermined threshold emission amounts.