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:
Mar. 22, 2022
Filed:
Sep. 17, 2020
Japan Display Inc., Tokyo, JP;
Ryo Imai, Tokyo, JP;
Japan Display Inc., Tokyo, JP;
Abstract
A driver device is provided and includes driver used for image display panel and having first display mode of performing display with first number of gradations of video signal; and second display mode of performing display with second number of gradations smaller than first number of gradations and larger than two, wherein driver is configured to: supply signals having first number of gradations to respective pixels in first display mode; supply signals having second number of gradations to respective pixels arranged in column direction in second display mode, amplify, by first amplifiers in first display mode, signals to be supplied to respective pixels, amplify, by second amplifiers in second display mode, gradation signals in one horizontal period, second amplifiers being smaller in number than first amplifiers, and temporally divide image for one frame into at least one first sub-frame and at least one second sub-frame.