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:
Mar. 08, 2011
Filed:
Feb. 14, 2008
Koji Hirata, Yokohama, JP;
Masahiko Yatsu, Fujisawa, JP;
Takanori Hisada, Yokohama, JP;
Hidehiro Ikeda, Yokohama, JP;
Koji Hirata, Yokohama, JP;
Masahiko Yatsu, Fujisawa, JP;
Takanori Hisada, Yokohama, JP;
Hidehiro Ikeda, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A display apparatus comprises a lighting unit for emitting a light, and a first light modulation unit for forming an image through modulation of the light from a light source unit, wherein the lighting unit includes a light source for emitting the light, a second light modulation unit for modulating the light from the light source, being smaller than the first light modulation unit for modulating the light from the light source, and a projection unit for projecting the light modulated through the second light modulation unit, enlargely, upon the first light modulation unit for use of display.