Title:
PROJECTION DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/152489
Kind Code:
A1
Abstract:
A projection display device (100), comprising: a light source (10) for emitting a light beam (11); a first light path (20), the first light path (20) being used for projecting the light beam (11) emitted from the light source (10) to a first display position (31); a second light path (30), the second light path (30) being used for projecting the light beam (11) emitted from the light source (10) to a second display position (21); a light path switching apparatus (40) for switching the light beam (11) emitted from the light source (10) between the first light path (20) and the second light path (30); and a light modulation apparatus (50), wherein the first light path (20) and the second light path (30) both pass the light modulation apparatus (50), and the light modulation apparatus (50) is configured to modulate the light beam (11) passing the light modulation apparatus (50) so as to generate a display image. The projection display device (100) can display a plurality of paths of images at different display positions (21, 31).
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Inventors:
LI ZHONGXIAO (CN)
Application Number:
PCT/CN2016/082003
Publication Date:
September 14, 2017
Filing Date:
May 13, 2016
Export Citation:
Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
International Classes:
G03B21/20; G02B30/26
Foreign References:
| CN105549314A | 2016-05-04 | |||
| CN102119362A | 2011-07-06 | |||
| CN104220921A | 2014-12-17 | |||
| CN102413344A | 2012-04-11 | |||
| CN104054336A | 2014-09-17 | |||
| US8982459B1 | 2015-03-17 |
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD. (CN)
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