Dichroic light polarizers
First Claim
1. A dichroic light polarizer comprising a dye of a formula selected from the group consisting of I--XX and XXII--XXXIV, the dye comprising molecules aggregated into particles oriented in a predetermined direction on a surface of a substrate to enable the dye to polarize light transmitted through the dye.
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Accused Products
Abstract
The present invention provides dyes of formula I-XXXIV, described in detail below, and dichroic light polarizers based on the dyes. In the dichroic light polarizers of this invention the dye molecules are aggregated into particles oriented in a predetermined direction on a surface of a substrate to enable the dye to polarize light transmitted through the dye. In another embodiment, a dichroic light polarizer includes a molecularly oriented layer of an organic dye on a surface of a substrate. The layer has a non-periodic arrangement of different polarizing elements. Each of the polarizing elements have differing orientations of the polarization vector in the substrate plane and/or differing colors. The dichroic light polarizer may contain one or more additional dye layers and may have a transparent layer intermediate to the dye layer.
273 Citations
21 Claims
- 1. A dichroic light polarizer comprising a dye of a formula selected from the group consisting of I--XX and XXII--XXXIV, the dye comprising molecules aggregated into particles oriented in a predetermined direction on a surface of a substrate to enable the dye to polarize light transmitted through the dye.
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20. A method of making a dichroic light polarizer comprising:
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a. coating a substrate with a solution of an organic dye occurring in the lyotropic liquid-crystal state in a solvent while simultaneously orienting the dye; and b. removing the solvent. - View Dependent Claims (21)
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Specification