Light-absorbing and anti-reflective coating for sunglasses
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United States of America Patent
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Mar 17, 1998
Grant Date -
N/A
app pub date -
Jul 29, 1994
filing date -
Jul 29, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A sunglass lens having improved anti-reflection and transmittance comprises a lens-shaped substrate and a coating formed on the concave surface of the lens. The first layer deposited adjacent to the concave surface of the lens comprises a titanium suboxide material, the second layer comprises a material having a high refractive index, and the third layer comprises a material having a low refractive index.
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