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. 03, 2021
Filed:
Dec. 10, 2019
Panasonic Liquid Crystal Display Co., Ltd., Himeji, JP;
Pasona Knowledge Partner Inc., Osaka, JP;
Toshikazu Koudo, Hyogo, JP;
PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD., Hyogo, JP;
PASONA KNOWLEDGE PARTNER INC., Osaka, JP;
Abstract
A liquid crystal display device that displays an input video signal, the liquid crystal display device comprising: a first liquid crystal display panel and a second liquid crystal display panel disposed to be laminated; a gamma corrector that generates a corrected video signal by performing gamma correction decided depending on a first control signal input from an outside with respect to the video signal; a first video signal generator that generates a first video signal for the first liquid crystal display panel using the corrected video signal; and a second video signal generator that generates a second video signal for the second liquid crystal display panel using the first video signal.