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. 25, 2003
Filed:
Dec. 27, 2001
Seung Gyu Lee, Kyonggi-do, KR;
LG Electronics Inc., Seoul, KR;
Abstract
Projector is provided, including a light source, a color wheel for splitting two, or more than two color beams from the beam from the light source, a rod lens for making a distribution of the color beam from the color wheel uniform, a polarization beam converter for converting the color beams into particular polarization beams, an optical system for focusing the color beams converted into the particular polarization beams, a color selecting plate for converting particular polarization color beams in the focused color beams, two displays for reflecting the color beams from the color selecting plate differently according to a video signal to form picture beams, a polarization beam sprite prism for supplying a particular color beam having polarization converted at the color selecting plate to one of the displays, and color beams of other colors to the other display, and a projection lens for enlarging, and projecting the picture beams.