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:
Nov. 11, 2003
Filed:
Dec. 27, 2001
Applicant:
Inventor:
Seung Gyu Lee, Kyonggi-do, KR;
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 2/114 ; G03B 2/128 ; G03B 2/126 ; G03B 2/100 ; G02B 5/22 ;
U.S. Cl.
CPC ...
G03B 2/114 ; G03B 2/128 ; G03B 2/126 ; G03B 2/100 ; G02B 5/22 ;
Abstract
A projection system is provided that utilizes a prism which guides color components from a light source to a display without the use of reflection, and that reflects image encoded light from the display toward a projection lens, thereby minimizing loss of luminance and improving contrast. In one embodiment, the projection system utilizes a color drum for sequentially transmitting color components of a light source towards the prism.