Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Patent
1997-10-28
1999-10-05
Chen, Vivian
Stock material or miscellaneous articles
Structurally defined web or sheet
Including components having same physical characteristic in...
428430, 428480, 359494, 359495, 359500, 359580, 359583, 359586, B32B 1710, B32B 2706, B32B 2708, B32B 2736
Patent
active
059621141
ABSTRACT:
A light beam-splitting optical component comprising an optical film formed from a layer of a first polymeric material and a layer of a second polymeric material wherein the refractive index of the first material in a first in-plane direction (x) is different from the refractive index of the second material in the first in-plane direction and wherein the difference in the refractive indices of the first material and the second material in a second in-plane direction (y) is the same sign as the difference in the refractive indices of the first material and the second material in the thickness direction (z), such that light polarized in the plane containing the x-axis is reflected from the component and light polarized in the plane containing the y-axis is transmitted through the component.
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Jonza James M.
Ouderkirk Andrew J.
Stover Carl A.
Weber Michael F.
3M Innovative Properties Company
Chen Vivian
Miller William D.
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