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:
Dec. 03, 2013
Filed:
Jul. 21, 2011
Kenichi Shioiri, Matsumoto, JP;
Masahide Tsuda, Shiojiri, JP;
Osamu Saito, Matsumoto, JP;
Shigehiro Yanase, Matsumoto, JP;
Kenichi Shioiri, Matsumoto, JP;
Masahide Tsuda, Shiojiri, JP;
Osamu Saito, Matsumoto, JP;
Shigehiro Yanase, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A projection-type display device according to an embodiment of the invention modulates light emitted from a solid-state light source array and projects the modulated light on a screen. The projection-type display device includes a power source device that generates power used for driving the solid-state light source array using power supplied from a power source, an instant interruption detecting circuit that detects an instant interruption of the power source, and a control device that, in a case where the instant interruption of the power source is detected by the instant interruption detecting circuit, performs control of extinguishing the solid-state light source array during at least a part of an instant interruption period until recovery after the detection of the instant interruption of the power source.