P‐47: A Geometric Waveguide with Two‐Dimensional Pupil Expansion for Near‐Eye Displays | Zendy

Chien Hung-Ta | Zendy; Wei Shih-Chih | Zendy; Chang Chuan-Chung | Zendy; Chuang Fu-Ming | Zendy

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P‐47: A Geometric Waveguide with Two‐Dimensional Pupil Expansion for Near‐Eye Displays

Author(s) -

Chien Hung-Ta,

Wei Shih-Chih,

Chang Chuan-Chung,

Chuang Fu-Ming

Publication year - 2021

Publication title -

sid symposium digest of technical papers

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.351

H-Index - 44

eISSN - 2168-0159

pISSN - 0097-966X

DOI - 10.1002/sdtp.14924

Subject(s) - diagonal , optics , luminance , projector , pupil , waveguide , exit pupil , process (computing) , computer science , mathematics , physics , materials science , geometry , operating system

We have designed and simulated a geometric waveguide for near‐eye displays. The image source is a DLP projector with a 4mm pupil. The waveguide consists of two pupil expanders for the horizontal and vertical directions. Simple optical coating and inject molding process could reduce the cost. A near‐eye display with field‐of‐view 40 degrees in diagonal is achieved. The luminance efficiency is 0.5% and the total weight is only 6.1g.

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