Title:
OPTICAL SYSTEM FOR STEREOPROJECTION AND PROJECTION METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2015/123901
Kind Code:
A1
Abstract:
An optical system for stereoprojection comprises an object image (101) and a projection object lens (102). The optical system is provided with a transmission light path and a reflection light path. A polarization beam splitter and a first liquid crystal variable phase retarder (107) are provided in the transmission light path, and the polarization beam splitter, a first lens or lens group (108), a second lens or lens group (109), a plane mirror (110) with an image inversion function and a second liquid crystal variable phase retarder (111) are provided in the reflection light path, wherein the polarization beam splitter comprises a first triangular prism (103), a second triangular prism (104), first flat glass (105) and second flat glass (106). A method for carrying out the stereoprojection is also provided.
Inventors:
LIU FEI (CN)
GONG JIE (CN)
SU PENGHUA (CN)
GONG JIE (CN)
SU PENGHUA (CN)
Application Number:
PCT/CN2014/073558
Publication Date:
August 27, 2015
Filing Date:
March 17, 2014
Export Citation:
Assignee:
SHENZHEN FUTURE 3D TECH CO LTD (CN)
International Classes:
G02B30/25; G03B35/26
Foreign References:
| CN103048798A | 2013-04-17 | |||
| CN203688987U | 2014-07-02 | |||
| CN203405635U | 2014-01-22 | |||
| CN103383494A | 2013-11-06 | |||
| US20120147280A1 | 2012-06-14 | |||
| CN102520575A | 2012-06-27 | |||
| CN203433207U | 2014-02-12 |
Attorney, Agent or Firm:
GUANGDONG ZHUOJIAN LAW FIRM (CN)
广东卓建律师事务所 (CN)
广东卓建律师事务所 (CN)
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