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:
Aug. 27, 2007
Yukio Nakamura, Tokyo, JP;
Mitsuhiko Ogihara, Tokyo, JP;
Katsuyuki Ito, Tokyo, JP;
Takashi Ushikubo, Tokyo, JP;
Yukio Nakamura, Tokyo, JP;
Mitsuhiko Ogihara, Tokyo, JP;
Katsuyuki Ito, Tokyo, JP;
Takashi Ushikubo, Tokyo, JP;
Oki Data Corporation, Tokyo, JP;
Oki Electric Industry Co., Ltd., Tokyo, JP;
Abstract
A projection display apparatus includes an image forming section that forms an image based on image information received from an external device, and a projection lens that projects the image formed by the image forming section. The projection display apparatus includes a substrate, a plurality of light emitting elements, a first driver and a second driver. The light emitting elements are two-dimensionally arranged on the substrate. The light emitting elements include rows of light emitting elements and columns of light emitting elements such that the rows are substantially perpendicular to the columns. The first driver element selectively drives the rows. The second driver element selectively drives the columns. The plurality of light emitting elements include three groups of light emitting elements aligned either in the rows or in the columns, each group emitting light of a different wavelength from the remaining groups.