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:
Dec. 28, 2004
Filed:
Aug. 28, 2003
Applicant:
Inventor:
Eun Seong Seo, Seoul, KR;
Assignee:
LG Electronics Inc., Seoul, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 2/114 ; G03B 2/120 ; G02B 5/30 ; G02B 2/700 ; G02B 7/00 ;
U.S. Cl.
CPC ...
G03B 2/114 ; G03B 2/120 ; G02B 5/30 ; G02B 2/700 ; G02B 7/00 ;
Abstract
The present invention relates to a projection system that can be applied to a projection TV or a projection monitor, and more particularly, to a projection system that can improve a contrast while maintaining a proper brightness of a set where the projection system is applied.