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:
Apr. 12, 2016
Filed:
Mar. 12, 2015
Panasonic Intellectual Property Management Co., Ltd., Osaka-shi, Osaka, JP;
Iori Hayashi, Osaka, JP;
Teruto Tanaka, Osaka, JP;
Abstract
A video display device includes a light source, a rotating substrate, a light detection unit, a light valve, and a control section. The light detection unit detects intensity of first color light emitted from the wheel in a second period included in a first period and in a third period which is included in the first period and does not overlap with the second period, where the first period is a period equal to time during which light continuously enters a first region. The control section controls at least one of the wheel and the light valve based on the intensity of the first color light detected in the light detection unit.