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:
Sep. 09, 2025
Filed:
May. 20, 2024
Sony Semiconductor Solutions Corporation, Kanagawa, JP;
SONY SEMICONDUCTOR SOLUTIONS CORPORATION, Kanagawa, JP;
Abstract
Provided is a display device that includes a plurality of pixel circuits in a matrix, a plurality of data lines that supplies signal voltage corresponding to gradation to the plurality of pixel circuits, a ramp line, a voltage generator that supplies a ramp wave voltage to the ramp line. Display device further includes a plurality of first switches, each of the plurality of first switches having a first terminal electrically connected to the ramp line and a second terminal electrically connected to a corresponding one of the plurality of data lines. Display device further includes at least one correction current source that supplies a correction current to the first terminal of at least one of the plurality of first switches, and a controller including a comparator, the comparator having a first input terminal electrically connected to the ramp line and a second input terminal electrically connected to the ramp line.