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. 29, 2011
Filed:
Oct. 10, 2008
Norihiro Kawahara, Kawasaki, JP;
Norihiro Kawahara, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid crystal display apparatus includes a liquid crystal modulation element configured to modulate light from a light source, and including a first electrode, a second electrode, a liquid crystal layer disposed between the first electrode and the second electrode, and a controller configured to provide a first potential to the first electrode and a second potential to the second electrode. While the light source is turned off, the controller provides a third potential to the first electrode and a fourth potential to the second electrode, such that the difference between the third and fourth potentials has a constant sign but a variable magnitude in an in-plane direction of the liquid crystal layer.