Polarized holographic heads up display

Details Polarized holographic heads up display Polarized holographic heads up display

1989-10-27

1990-11-27

Arnold, Bruce Y.

350 37, 350169, G02B 2714

Patent

active

049731327

ABSTRACT:
A head-up vehicle instrument display system that includes an imaging illumination source located in a recess in the vehicle dashboard or on the dashboard, and a combiner/retarder element embedded in a vehicle windshield. The combiner/retarder element includes a reflection hologram and one or more half-wave retarders, and optionally the inside surface of the vehicle windshield.

REFERENCES:
patent: 2750833 (1956-06-01), Gross
patent: 3622220 (1971-11-01), Kogelnick
patent: 3949490 (1976-04-01), Derderian et al.
patent: 4763990 (1988-08-01), Wood
patent: 4790613 (1988-12-01), Moss
patent: 4808978 (1989-02-01), Vernay
patent: 4859031 (1989-08-01), Berman et al.

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