Head-mounted display and optical engine thereof

Details Head-mounted display and optical engine thereof Head-mounted display and optical engine thereof

2005-01-25

2005-01-25

Dang, Hung Xuan (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

C359S618000, C359S627000, C359S629000, C359S631000, C359S632000, C359S633000, C359S634000, C349S013000, C349S096000

Reexamination Certificate

active

06847489

ABSTRACT:
A head-mounted display comprises monocular or binocular display chambers. Each display chamber is equipped with an optical engine that displays images. The mechanism of the optical engine is as follows: cast rays from a light source onto an LCoS device through a first polarizer, and an image is formed with rays, which reflect off the bottom of the LCoS device. The reflective rays penetrate the first polarizer and a film-coated beam splitter. With a concave mirror, the image is magnified and projected onto the surface of the beam splitter. Finally, the magnified image is formed in a viewer's eyeballs by means of the beam splitter.

REFERENCES:
patent: 5726807 (1998-03-01), Nakaoka et al.
patent: 20020167733 (2002-11-01), Roest

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