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Title:
RTIR OPTICAL ELEMENT GROUP AND PROJECTION SYSTEM USING SAME
Document Type and Number:
WIPO Patent Application WO/2019/104970
Kind Code:
A1
Abstract:
Provided are an RTIR optical element group and a projection system. The RTIR optical element group comprises: a first optical element (21), a second optical element (22) and a third optical element (23), wherein the third optical element (23) is disposed between the first optical element (21) and the second optical element (22), and is used for transmitting illuminating beams emitted by the first optical element (21) to the second optical element (22). Thus, the size of a DLP projector can be reduced, and moreover, the projection aberration can be corrected, thereby improving the projection performance.

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Inventors:
GAO, Zhiqiang (Room 201, BlockA NO. 1,Qian Wan Road One, Shenzhen-Hongkong,Cooperation Zone, Qian Hai Distric, ShenZhen Guangdong 0, 518000, CN)
YEUNG, Steve (Room 201, BlockA NO. 1,Qian Wan Road One, Shenzhen-Hongkong,Cooperation Zone, Qian Hai Distric, ShenZhen Guangdong 0, 518000, CN)
ZHAO, Yuan (Room 201, BlockA NO. 1,Qian Wan Road One, Shenzhen-Hongkong,Cooperation Zone, Qian Hai Distric, ShenZhen Guangdong 0, 518000, CN)
LIN, Qingyun (Room 201, BlockA NO. 1,Qian Wan Road One, Shenzhen-Hongkong,Cooperation Zone, Qian Hai Distric, ShenZhen Guangdong 0, 518000, CN)
Application Number:
CN2018/088976
Publication Date:
June 06, 2019
Filing Date:
May 30, 2018
Export Citation:
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Assignee:
IVIEW DISPLAYS (SHENZHEN) COMPANY LTD (Room 201, BlockA NO. 1,Qian Wan Road One, Shenzhen-Hongkong,Cooperation Zone, Qian Hai Distric, ShenZhen Guangdong 0, 518000, CN)
International Classes:
G03B21/20; G02B17/08
Foreign References:
US20150138446A12015-05-21
CN207424510U2018-05-29
CN207424511U2018-05-29
CN101382659A2009-03-11
CN102906625A2013-01-30
CN102759801A2012-10-31
CN203838464U2014-09-17
US6992830B12006-01-31
CN1580867A2005-02-16
Attorney, Agent or Firm:
LIUJIA CHINA IP LAW OFFICE (Room 207, Shangqi Building4050# Nanhai Road, Nanshan Distric, Shenzhen Guangdong 7, 518057, CN)
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