Wide field of view head-mounted display

Details Wide field of view head-mounted display Wide field of view head-mounted display

1994-09-29

1996-01-09

Dowling, William C.

Optics: image projectors

Reflector

359630, 359631, 353 28, G02B 2710

Patent

active

054833078

ABSTRACT:
A head-mounted display (10). A spatial light modulator (12) generates the image to be viewed. A projection lens (14) projects the image to a rear projection screen (16), which diffuses the image to accommodate the spacing and size of the viewer's eyes. The image is reflected by a beam splitter (17) to a curved reflector (18) in front of the viewer's eyes. The reflector (18) reflects the image through the beam splitter (17) in parallel rays so that the image appears to be distant, and also magnifies the image to provide a wide field of view.

REFERENCES:
patent: 3549803 (1970-12-01), Becht et al.
patent: 4383740 (1983-05-01), Bordorsky
patent: 4859030 (1989-08-01), Rotier
patent: 4969714 (1990-11-01), Fournier, Jr. et al.
patent: 5164848 (1992-11-01), Firth et al.
patent: 5184250 (1993-02-01), Lacroix
patent: 5384654 (1995-01-01), Iba

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