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. 12, 2019
Filed:
Apr. 17, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Yoshihisa Furumoto, Machida, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided is a display device including: a first panel of which light transmittance is controlled; a second panel of which light transmittance is controlled, the second panel being disposed on the rear surface side of the first panel; a light emitting unit of which brightness is individually controlled for each divided area, the light emitting unit being disposed on the rear surface side of the second panel; a second panel control unit configured to control the transmittance of the second panel based on a brightness distribution of the light emitting unit so that the brightness of the transmitted light of the second panel becomes uniform; and a first panel control unit configured to control the transmittance of the first panel based on image data.