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:
Aug. 24, 2010
Filed:
Aug. 09, 2007
Katsuyuki Ito, Tokyo, JP;
Katsuyuki Ito, Tokyo, JP;
Oki Data Corporation, Tokyo, JP;
Abstract
An optical scanning projector apparatus includes a light emitting element array having a plurality of light emitting elements arranged in a row in a first direction for emitting light according to display data; a light scanning unit for scanning light of the light emitting elements in a second direction perpendicular to the first direction; a scanning optical system for collecting light of the light emitting elements to form an image on a screen; and a control unit for controlling the light scanning unit and the scanning optical system. The light emitting elements include micro resonator type light emitting diodes (LED) having a radiation angle smaller than or equal to 20 degrees at a half of maximum light intensity.