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:
Oct. 31, 1995
Filed:
Sep. 07, 1994
Applicant:
Inventor:
Hee S Koo, Seoul, KR;
Assignee:
Goldstar Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
353 84 ; 348743 ;
Abstract
An image projector for obtaining a full color and cooling a lamp and the LCD, including a lamp for generating parallel light, an image displaying device for displaying a video signal, a rotating shaft rotatably disposed at the projector body, a steamboat paddle wheel-shaped color filter, disposed in such a way of receiving visual rays from the lamp onto its surface, for passing through light with a selected bandwidth having a predetermined wavelength such as Red, Green, Blue as well as simultaneously substantially cooling the image displaying device by fanning action; and a projection lens for forming an image displayed onto the image displaying device and onto a screen.