Title:
OPTICAL GRATING FOR DUAL-FIELD-OF-VIEW DISPLAY AND DUAL-FIELD-OF-VIEW DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/007061
Kind Code:
A1
Abstract:
An optical grating (01) for dual-field-of-view display and a dual-field-of-view display device. The optical grating (01) comprises a plurality of light transmitting units (10) and light shading units (20) distributed alternately; the light transmitting unit (10) comprises a first lens unit (101) and a second lens unit (102), wherein the first lens unit (101) is configured to converge incident light to the first direction to achieve image display of a first viewing angle, and the second lens unit (102) is configured to converge incident light to the second direction to achieve image display of a second viewing angle.
Inventors:
CHEN XIUYUN (CN)
YOON DAE-KEUN (CN)
YOON DAE-KEUN (CN)
Application Number:
PCT/CN2018/075557
Publication Date:
January 10, 2019
Filing Date:
February 07, 2018
Export Citation:
Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
BEIJING BOE OPTOELECTRONICS TECH CO LTD (CN)
BEIJING BOE OPTOELECTRONICS TECH CO LTD (CN)
International Classes:
G02B5/18
Foreign References:
| CN107193069A | 2017-09-22 | |||
| CN106896575A | 2017-06-27 | |||
| CN105654874A | 2016-06-08 | |||
| CN104317060A | 2015-01-28 | |||
| CN105892074A | 2016-08-24 | |||
| US6882381B2 | 2005-04-19 | |||
| US5764319A | 1998-06-09 |
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD. (CN)
Download PDF: