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. 28, 2003
Filed:
Nov. 30, 2001
Applicant:
Inventor:
Man Ho Na, Kyonggi-do, KR;
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 2/114 ; G03B 2/128 ; G03B 2/100 ; G02F 1/1335 ;
U.S. Cl.
CPC ...
G03B 2/114 ; G03B 2/128 ; G03B 2/100 ; G02F 1/1335 ;
Abstract
Disclosed is an optical system for a liquid crystal projector enabling to minimize a size of the optical system and a count of optical parts constructing the optical system using three pieces of reflective type liquid crystal displays. Accordingly, the present invention simplifies the optical system, thereby enabling to reduce a cost of production as well as a span length of the optical system.