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:
Nov. 10, 2020
Filed:
Sep. 06, 2019
Sharp Kabushiki Kaisha, Sakai, JP;
Kunihiko Yamamoto, Sakai, JP;
SHARP KABUSHIKI KAISHA, Sakai, JP;
Abstract
A liquid crystal display device includes: a liquid crystal panel including a curved screen; a backlight; a signal corrector configured to generate a control signal that sets a luminance of the backlight to a lower level at a lower grayscale level of a video signal input thereto, and output the video signal and the control signal; a liquid crystal panel driver configured to drive the liquid crystal panel based on the video signal output from the signal corrector; and a backlight driver configured to drive the backlight based on the control signal output from the signal corrector, the liquid crystal panel including a first polarizing plate, a liquid crystal cell, and a second polarizing plate, the first and second polarizing plates being disposed such that their transmission axes form an angle θ (unit: °), the angle θ satisfying a relationship 85<θ<90 or 90<θ<95.