Optical: systems and elements – Glare or unwanted light reduction
Patent
1996-12-13
1997-12-16
Callahan, Timothy P.
Optical: systems and elements
Glare or unwanted light reduction
359581, 427168, 427169, G02B 110, B05D 506
Patent
active
056991894
ABSTRACT:
Very thin films of liquid anti-reflection materials are applied to optical substrates to increase effectively visual clarity and visual acuity by reducing reflection light losses, reducing internal reflections and increasing light transmission. The primary properties of the materials which are useful as anti-reflection films are characterized as non-volatile, optically clear liquids having a refractive index less than the refractive index of the optical substrate to which they are applied. Low cost, effective anti-reflection coatings are thus applied to optical substrates, such as eyeglasses, using a single liquid layer of the anti-reflective material.
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Callahan Timothy P.
Englund Terry L.
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