Title:
PROJECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/213101
Kind Code:
A1
Abstract:
A projection device, comprising: a light source (30), configured to emit three-color light beams; a light valve (40) configured to modulate and output the three-color light beams; a polarizer (60), located between the light valve (40) and a projection lens (120) and configured to change, under the control of a drive current, the position of the light beams outputted by the light valve; and the projection lens (120), configured to image the light beams, at different positions, outputted by means of the polarizer (60); wherein the polarizer (60) comprises a circuit board (61) and an optical mirror (62) provided on the circuit board, and the circuit board (61) is configured to drive the optical mirror (62) to flip under an electromagnetic action.
Inventors:
CUI RONGRONG (CN)
CAO LIMING (CN)
CAO LIMING (CN)
Application Number:
PCT/CN2021/081912
Publication Date:
October 28, 2021
Filing Date:
March 19, 2021
Export Citation:
Assignee:
HISENSE LASER DISPLAY CO LTD (CN)
International Classes:
G03B21/14; G02B26/10
Foreign References:
| CN211826864U | 2020-10-30 | |||
| CN110602470A | 2019-12-20 | |||
| CN107003498A | 2017-08-01 | |||
| CN101770071A | 2010-07-07 | |||
| US20060140511A1 | 2006-06-29 | |||
| CN103399402A | 2013-11-20 | |||
| CN102162919A | 2011-08-24 | |||
| CN110764253A | 2020-02-07 |
Attorney, Agent or Firm:
TDIP & PARTNERS (CN)
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