Title:
OPTICAL DISPLAY SYSTEM WITH EXIT PUPIL STEERING
Document Type and Number:
WIPO Patent Application WO/2022/166985
Kind Code:
A1
Abstract:
An exit pupil steering device (110) comprises: at least one first lens coupler module, each of which includes: a first controllable polarization converter (114), which can convert an incident light (140) of a first polarization state into a second polarization state under control, and a first diffractive lens (113), which diffracts the incident light of the first polarization state to a first pupil location of a viewer (142) and passes the incident light of the second polarization state, or which passes the incident light of the first polarization state and diffracts the incident light of the second polarization state to the first pupil location (142); and a second lens coupler module, which is placed after the first lens coupler module anddiffracts the incident light to a second pupil location of the viewer (144). The exit pupil steering device (110) can be used in an optical display system and an electronics apparatus (70).
Inventors:
XIONG JIANGHAO (US)
LI YANNANQI (US)
LI KUN (US)
WU SHIN-TSON (US)
LI YANNANQI (US)
LI KUN (US)
WU SHIN-TSON (US)
Application Number:
PCT/CN2022/075506
Publication Date:
August 11, 2022
Filing Date:
February 08, 2022
Export Citation:
Assignee:
UNIV CENTRAL FLORIDA RES FOUND INC (US)
GOERTEK INC (CN)
GOERTEK INC (CN)
International Classes:
G02B27/01; G02B5/30; G02F1/29
Foreign References:
| CN112166372A | 2021-01-01 | |||
| US20120188467A1 | 2012-07-26 | |||
| CN104204926A | 2014-12-10 | |||
| CN112305778A | 2021-02-02 | |||
| CN110928101A | 2020-03-27 |
Attorney, Agent or Firm:
BEYOND TALENT PATENT AGENT FIRM (CN)
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