Title:
IMAGE CONVERSION USING MULTIPLE POLARIZATION ROTATORS
Document Type and Number:
WIPO Patent Application WO/2019/102363
Kind Code:
A1
Abstract:
The present specification discloses an image conversion device comprising: a light dividing device configured to receive light corresponding to at least a part of a plane (2D) image, output a first part of the received light, which has polarization state 1, through optical path 1, and output a second part of the received light, which has polarization state 2, through optical path 2; polarization rotating unit 1 disposed in optical path 1, and configured to receive a first part having polarization state 1, and delay polarization state 1 by a 1/4 wavelength, so as to output a first part having polarization state 3; polarization rotating unit 2 for receiving a first part having polarization state 3, and delaying polarization state 3 by a 1/4 wavelength, thereby outputting a first part having polarization state 2; polarization switch 1 which is disposed in optical path 1, receives a first part having polarization state 2, and selectively outputs a first part having polarization state 1 or the first part having polarization state 2; and polarization switch 2 which is disposed in optical path 2, receives a second part having polarization state 2, and selectively outputs a second part having polarization state 1 or the second part having polarization state 2, wherein the image conversion device is configured to output a stereoscopic (3D) image including the first part output from the polarization switch 1 and the second part output from the polarization switch 2.
Inventors:
YU KIM HUNG (CN)
Application Number:
PCT/IB2018/059160
Publication Date:
May 31, 2019
Filing Date:
November 21, 2018
Export Citation:
Assignee:
YU KIM HUNG (CN)
International Classes:
G02B27/22; G02B30/25; H04N13/302
Foreign References:
| KR20160066552A | 2016-06-10 | |||
| US20130100414A1 | 2013-04-25 | |||
| JP2007011149A | 2007-01-18 | |||
| KR101387096B1 | 2014-04-18 | |||
| KR20150101153A | 2015-09-03 |
Attorney, Agent or Firm:
CHOI, Jaejin et al. (KR)
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