Patent Number: 6,637,891

Title: Optical system of liquid crystal projector

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.

Inventors: Na; Man Ho (Kyonggi-do, KR)

Assignee: LG Electronics Inc.

International Classification: G02B 27/14 (20060101); G02B 27/28 (20060101); H04N 9/31 (20060101); G03B 021/14 (); G03B 021/28 (); G03B 021/00 (); G02F 001/133 ()

Expiration Date: 10/28/2020