Abstract: A wire grid polarizer (WGP) can have a conformal-coating to protect the WGP from at least one of the following: corrosion, dust, and damage due to tensile forces in a liquid on the WGP. The conformal-coating can include a silane conformal-coating with chemical formula (1), chemical formula (2), or combinations thereof: A method of applying a conformal-coating over a WGP can include exposing the WGP to Si(R1)d(R2)e(R3)g. In the above WGP and method, X can be a bond to the ribs; each R1 can be a hydrophobic group; each R3, if any, can be any chemical element or group; d can be 1, 2, or 3, e can be 1, 2, or 3, g can be 0, 1, or 2, and d+e+g=4; R2 can be a silane-reactive-group; and each R6 can be an alkyl group, an aryl group, or combinations thereof.

Abstract: A wire grid polarizer (WGP) can have a conformal-coating to protect the WGP from at least one of the following: corrosion, dust, and damage due to tensile forces in a liquid on the WGP. The conformal-coating can include a silane conformal-coating with chemical formula (1), chemical formula (2), or combinations thereof: A method of applying a conformal-coating over a WGP can include exposing the WGP to Si(R1)a(R2)e(R3)g. In the above WGP and method, X can be a bond to the ribs; each R1 can be a hydrophobic group; each R3, if any, can be any chemical element or group; d can be 1, 2, or 3, e can be 1, 2, or 3, g can be 0, 1, or 2, and d+e+g=4; R2 can be a silane-reactive-group; and each R6 can be an alkyl group, an aryl group, or combinations thereof.

Abstract: A wire grid polarizer (WGP) can have a conformal-coating to protect the WGP from at least one of the following: corrosion, dust, and damage due to tensile forces in a liquid on the WGP. The conformal-coating can include a silane conformal-coating with chemical formula (1), chemical formula (2), or combinations thereof: A method of applying a conformal-coating over a WGP can include exposing the WGP to Si(R1)d(R2)e(R3)g. In the above WGP and method, X can be a bond to the ribs; each R1 can be a hydrophobic group; each R3, if any, can be any chemical element or group; d can be 1, 2, or 3, e can be 1, 2, or 3, g can be 0, 1, or 2, and d+e+g=4; R2 can be a silane-reactive-group; and each R6 can be an alkyl group, an aryl group, or combinations thereof.

Abstract: A wire grid polarizer (WGP) can have a conformal-coating to protect the WGP from at least one of the following: corrosion, dust, and damage due to tensile forces in a liquid on the WGP. The conformal-coating can include a silane conformal-coating with chemical formula (1), chemical formula (2), or combinations thereof: A method of applying a conformal-coating over a WGP can include exposing the WGP to Si(R1)d(R2)e(R3)g. In the above WGP and method, X can be a bond to the ribs; each R1 can be a hydrophobic group; each R3, if any, can be any chemical element or group; d can be 1, 2, or 3, e can be 1, 2, or 3, g can be 0, 1, or 2, and d+e+g=4; R2 can be a silane-reactive-group; and each R6 can be an alkyl group, an aryl group, or combinations thereof.

Abstract: A wire grid polarizer (WGP) can have a conformal-coating to protect the WGP from oxidation and/or corrosion. The conformal-coating can include a barrier layer with at least one: of aluminum oxide, silicon oxide, silicon nitride, silicon oxynitride, silicon carbide, hafnium oxide, and zirconium oxide. A method of making a WGP can include applying the barrier layer over ribs of a WGP by vapor deposition.

Abstract: A wire grid polarizer (WGP) can have a phosphonate conformal-coating to protect the WGP from at least one of the following: corrosion, dust, and damage due to tensile forces in a liquid on the WGP. The conformal-coating can include a chemical: where R1 can include a hydrophobic group, Z can include a bond to the ribs, and R5 can be any suitable chemical element or group. A method of applying a phosphonate conformal-coating over a WGP can include exposing the WGP to (R1)iPO(R4)j(R5)k, where: i is 1 or 2, j is 1 or 2, k is 0 or 1, and i+j+k=3; each R1 can independently include a hydrophobic group; R4 can include a phosphonate-reactive-group; each R6 can independently include an alkyl group, an aryl group, or combinations thereof; and each R5, if any, can independently be any suitable chemical element or group.

Abstract: A wire grid polarizer (WGP) can have a phosphonate conformal-coating to protect the WGP from at least one of the following: corrosion, dust, and damage due to tensile forces in a liquid on the WGP. The conformal-coating can include a chemical: where R1 can include a hydrophobic group, Z can include a bond to the ribs, and R5 can be any suitable chemical element or group. A method of applying a phosphonate conformal-coating over a WGP can include exposing the WGP to (R1)iPO(R4)j(R5)k, where: i is 1 or 2, j is 1 or 2, k is 0 or 1, and i+j+k=3; each R1 can independently include a hydrophobic group; R4 can include a phosphonate-reactive-group; each R6 can independently include an alkyl group, an aryl group, or combinations thereof; and each R5, if any, can independently be any suitable chemical element or group.

Abstract: A wire grid polarizer (WGP) can have a phosphonate conformal-coating to protect the WGP from at least one of the following: corrosion, dust, and damage due to tensile forces in a liquid on the WGP. The conformal-coating can include a chemical: where R1 can include a hydrophobic group, Z can be a bond to the ribs, and R5 can be any suitable chemical element or group. A method of applying a phosphonate conformal-coating over a WGP can include exposing the WGP to (R1)iPO(R4)j(R5)k, where: i is 1 or 2, j is 1 or 2, k is 0 or 1, and i+j+k=3; each R1 can independently be a hydrophobic group; R4 can be a phosphonate-reactive-group; each R6 can independently be an alkyl group, an aryl group, or combinations thereof; and each R5, if any, can independently be any suitable chemical element or group.

Abstract: Wire grid polarizer (WGP) performance can be improved by use of certain water-soluble materials. Such water-soluble materials can be protected by a conformal coating, which can be applied by an anhydrous method, such as vapor deposition for example.

Abstract: A wire grid polarizer (WGP) can have a phosphonate conformal-coating to protect the WGP from at least one of the following: corrosion, dust, and damage due to tensile forces in a liquid on the WGP. The conformal-coating can include a chemical: where R1 can include a hydrophobic group, Z can be a bond to the ribs, and R5 can be any suitable chemical element or group. A method of applying a phosphonate conformal-coating over a WGP can include exposing the WGP to (R1)iPO(R4)j(R5)k, where: i is 1 or 2, j is 1 or 2, k is 0 or 1, and i+j+k=3; each R1 can independently be a hydrophobic group; R4 can be a phosphonate-reactive-group; each R6 can independently be an alkyl group, an aryl group, or combinations thereof; and each R5, if any, can independently be any suitable chemical element or group.

Abstract: A wire grid polarizer (WGP) can have a conformal-coating to protect the WGP from oxidation and/or corrosion. The conformal-coating can include a barrier layer with at least one: of aluminum oxide, silicon oxide, silicon nitride, silicon oxynitride, silicon carbide, hafnium oxide, and zirconium oxide. A method of making a WGP can include applying the barrier layer over ribs of a WGP by vapor deposition.