Head-up display and a combiner used to control diffraction of li

Details Head-up display and a combiner used to control diffraction of li Head-up display and a combiner used to control diffraction of li

1994-02-08

1995-12-12

Gonzalez, Frank

Optical: systems and elements

Holographic system or element

Head up display

359 14, 359629, 359630, G02B 532, G03H 100

Patent

active

054755123

ABSTRACT:
A hed-up display comprises a light source and a liquid crystal display device for displaying an image, and a hologram arranged on a windshield glass of a vehicle to diffract the light to an observer, wherein the hologram has the half width of the diffraction spectrum so that a white light entering into the vehicle from the outside is diffracted as substantially a white light.

REFERENCES:
patent: 3993398 (1976-11-01), Noguchi et al.
patent: 4613200 (1986-09-01), Hartman
patent: 5066102 (1991-11-01), Hirano
patent: 5153751 (1992-10-01), Ishikawa et al.
patent: 5157549 (1992-10-01), Suzuki et al.
patent: 5210626 (1993-05-01), Kumayama et al.
patent: 5243448 (1993-09-01), Banbury
patent: 5313292 (1994-05-01), Wood et al.

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