Liquid crystal alignment layer
AssigneeUniversity of Hull
InventorsMary O'Neill, Stephen Malcolm Kelly, Adam Edward Alexander Contoret, Gary James Richards, David Coates
Life of this patent
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Abstract
There is provided a liquid crystal alignment layer comprising an alignment layer; and chemically bound to said alignment layer, a transport material. Also provided are methods for forming the liquid crystal alignment layer and the use thereof in displays for electronic apparatus.
Claims26
A liquid crystal alignment layer comprising an alignment layer;
- and chemically bound to said alignment layer, a transport material, wherein said alignment layer is an electrically insulating alignment layer in tbe absence of the transport material;
- wherein the alignment layer is an electrically conducting alignment layer with the transport material;
- and wherein the alignment layer comprises a side chain liquid crystal polymer having the formula:
A liquid crystal alignment layer comprising an alignment layer;
- and chemically bound to said alignment layer, a transport material, wherein said alignment layer is an electrically insulating alignment layer in the absence of the transport material;
- wherein the alignment layer is an electrically conducting alignment layer with the transport material;
- and wherein the alignment layer comprises a reactive liquid crystal obtained from a reactive mesogen having the formula:
A liquid crystal alignment layer comprising an alignment layer;
- and chemically bound to said alignment layer, a transport material, wherein the alignment layer and the transport material are comprised as a co-polymer obtained by co-polymerising a coumarin alignment layer with a transport material comprising a methacrylate end-group, wherein the co-polymer is selected from the group consisting of:
- wherein, x is greater than 0 and less than 1;
- and n is from 5 to 500.
A transporting-alignment layer, comprising:
- a transporting-alignment copolymer layer formed from an alignment material and a transport material, wherein the alignment material is a photoalignment material, wherein the transport material is selected from the group consisting of ion transport compounds, hole transport compounds, electron transport compounds, and a mixture thereof, wherein the transport material is a hole transport compound, and wherein the hole transport compound, prior to copolymerization, is:
A transporting-alignment layer, comprising:
- a transporting-alignment copolymer layer formed from an alignment material and a transport material, wherein the alignment material is a photoalignment material, wherein the transport material is selected from the group consisting of ion transport compounds, hole transport compounds, electron transport compounds, and a mixture thereof, wherein the transport material is a hole transport compound, wherein the hole transport compound, prior to copolymerization, is:
A transporting-alignment layer, comprising:
- a transporting-alignment copolymer layer formed from an alignment material and a transport material, wherein the alignment material is a photoalignment material, wherein the transport material is selected from the group consisting of ion transport compounds, hole transport compounds, electron transport compounds, and a mixture thereof, wherein the transport material is a hole transport compound, wherein the hole transport compound, prior to copolymerization, is:
A transporting-alignment layer, comprising:
- a transporting-alignment copolymer layer formed from an alignment material and a transport material, wherein the alignment material is a photoalignment material, wherein the co-polymer is:
- wherein, x is greater than 0 and less than 1;
- and n is from 5 to 500.
A transporting-alignment layer, comprising:
- a transporting-alignment copolymer layer formed from an alignment material and a transport material, wherein the alignment material is a photoaligmnent material, wherein the co-polymer is:
- wherein, x is greater than 0 and less than 1;
- and n is from 5 to 500.
A transporting-alignment layer, comprising:
- a transporting-alignment copolymer layer formed from an alignment material and a transport material, wherein the alignment material is a photoalignment material, wherein the co-polymer is:
- wherein, x is greater than 0 and less than 1;
- and n is from 5 to 500.
A backlight or display device, comprising a transporting-alignment layer, comprising:
- a copolymer formed from an alignment material and a transport material, wherein the alignment material is a pbotoaligmnent material and the transport material is a hole transport material, wherein the photoalignment material, prior to copolymerization, is:
- the hole transport material, prior to copolymerization, is selected from the group consisting of:
Dependencies are inferred from the claim text.