Display apparatus and displaying method for image display produc

Details Display apparatus and displaying method for image display produc Display apparatus and displaying method for image display produc

1996-11-14

1998-08-04

Dzierzynski, Paul M.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 1, 359 13, 359462, 345 7, 345 8, 348 52, 348 53, G02B 532, G02B 2722, G03H 100, G09G 500

Patent

active

057902844

ABSTRACT:
This specification discloses a displaying apparatus having a display emitting light, and an optical element formed by two holograms each having optical power and partially overlapping each other. The light from the display is diffracted by one of the holograms to be directed to an observer's left pupil, and is diffracted by the other hologram to be directed to the observer's right pupil.

REFERENCES:
patent: 4647142 (1987-03-01), Boot
patent: 5037166 (1991-08-01), Malcolm et al.
patent: 5187597 (1993-02-01), Kato et al.
patent: 5198895 (1993-03-01), Vick
patent: 5396349 (1995-03-01), Roberts et al.
patent: 5461499 (1995-10-01), Sugita et al.
patent: 5589956 (1996-12-01), Morishima et al.

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