Optical: systems and elements – Glare or unwanted light reduction
Patent
1989-06-15
1992-08-25
Bovernick, Rodney B.
Optical: systems and elements
Glare or unwanted light reduction
359609, 359614, 40427, 40541, 40564, 40593, 362 23, 362 29, G02B 2700, G01D 1128, G09F 1304
Patent
active
051424150
ABSTRACT:
A back-lit display having a window including a light-collimating film. The light-collimating film has an opaque material on a surface thereof. A material of a predetermined color is on the opaque material in registration therewith.
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Bovernick Rodney B.
Buckingham Stephen W.
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
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