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. 06, 2016
Filed:
Apr. 02, 2013
Panasonic Corporation, Kadoma-shi, Osaka, JP;
Toshiki Onishi, Osaka, JP;
Kazuhito Kimura, Shiga, JP;
Abstract
A video display device is provided to achieve local control for a high-quality 3D image while reducing extraneous radiation. A video display device that receives video signals from two video signal lines with an identical frame period and is capable of displaying a stereoscopic image based on left-eye and right-eye images, the video display device including: a liquid crystal drive unit; a liquid crystal panel; an LED backlight that has a plurality of light emission areas; a combination unit that generates a composite video signal by combining the video signals with the identical frame period; a local control unit that detects a video feature quantity such as the intensity value of the composite video signal and determines the light-emission intensity value of the light emission area; and an LED driver.