Vehicle display system using a holographic windshield prepared to withstand lamination process
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United States of America Patent
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Jun 27, 1989
Grant Date -
N/A
app pub date -
Jun 12, 1987
filing date -
Jun 12, 1987
priority date (Note) -
Expired
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Abstract
A holographic windshield (10) includes an inner glass ply (36) having an inner flexible optically transparent inner interlayer (42) overlaid upon its inner surface (40). A middle flexible transparent interlayer (44) is overlaid upon the inner interlayer. The middle interlayer has an opening (46) formed therein. A flexible hologram (12) is fitted within the opening in the middle interlayer. An outer interlayer (48) is overlaid upon the middle interlayer including the flexible hologram. An outer glass ply (50) is overlaid upon the outer interlayer. The two glass plies are bonded together to form a unitary article. Also disclosed is a method for processing a holographic combiner to withstand a windshield construction process employing lamination techniques.
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