Windshield for head-up display system

Details Windshield for head-up display system Windshield for head-up display system

1996-06-13

1998-09-22

Shafer, Ricky D.

Optical: systems and elements

Optical aperture or tube, or transparent closure

359630, 428 56, 428141, 428156, 428159, 428172, 428192, 428215, 428220, 428332, 428437, 156 99, 156102, G02B 2700, B32B 300, B32B 1710, B32B 2700

Patent

active

058123326

ABSTRACT:
A windshield for a head-up display system has a pair of opposing major surfaces that are nonparallel to one another in selected areas. Light rays directed toward the nonparallel area of the windshield are reflected from the outer and inner major surfaces of the windshield and directed toward the eye of the observer as parallel or superimposed light rays to eliminate ghost images when viewing images projected by the head-up display system through the windshield. The interlayer blank utilized to make the windshield has a non-uniform thickness profile with a tapered thickness positioned in the selected areas of the windshield.

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