Compound, and Preparation Method and Use Thereof
AssigneeHuawei Technologies Co., Ltd.
InventorsYongquan Tang, Jiaxiang Xiang, Liang Wu, Hongyu CHEN
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Abstract
A compound includes a first chain hydrocarbon group, a first phenyl group, a second phenyl group, a thieno[3,2-b]thiophene group, and a second chain hydrocarbon group. The first chain hydrocarbon group is linked to one carbon atom of the first phenyl group, another carbon atom of the first phenyl group is linked to one carbon atom of the second phenyl group by a first linkage bond, another carbon atom of the second phenyl group is linked to one carbon atom of the thieno[3,2-b]thiophene group by a second linkage group, and another carbon atom of the thieno[3,2-b]thiophene group is linked to the second chain hydrocarbon group.
Claims20
A compound, comprising:
- a first chain hydrocarbon group;
- a first phenyl group comprising:
- a first carbon atom linked to the first chain hydrocarbon group;
- a second carbon atom;
- and
- one or two first substituents comprising F, —CF3, or —OCF3 and adjacent to the second carbon atom;
- a second phenyl group comprising:
- a third carbon atom linked to the second carbon atom by a first linkage bond;
- and
- a fourth carbon atom;
- a thieno[3,2-b]thiophene group comprising:
- a fifth carbon atom linked to the fourth carbon atom by a second linkage bond;
- and
- a sixth carbon atom;
- and
- a second chain hydrocarbon group linked to the sixth carbon atom,
- wherein the first chain hydrocarbon group and the second chain hydrocarbon group are selected from a linear alkyl, a linear alkoxy, a linear fluoroalkyl, a linear alkenyl, a linear alkenyloxy, or a difluorovinyl.
A liquid crystal material, comprising:
- a first liquid crystal monomer comprising a compound, wherein the compound comprises:
- a first chain hydrocarbon group;
- a first phenyl group comprising:
- a first carbon atom linked to the first chain hydrocarbon group;
- a second carbon atom;
- and
- one or two first substituents comprising F, —CF3, or —OCF3 and adjacent to the second carbon atom;
- a second phenyl group comprising:
- a third carbon atom linked to the second carbon atom by a first linkage bond;
- and
- a fourth carbon am atom;
- a thieno[3,2-b]thiophene group comprising:
- a fifth carbon atom linked to the fourth carbon atom by a second linkage bond;
- and
- a sixth carbon atom;
- and
- a second chain hydrocarbon group linked to the sixth carbon atom, wherein the first chain hydrocarbon group and the second chain hydrocarbon group are selected from a first linear alkyl, a first linear alkoxy, a linear fluoroalkyl, a linear alkenyl, a linear alkenyloxy, or a difluorovinyl;
- and
- a second liquid crystal monomer that, when mixed with the first liquid crystal monomer, exhibits no crystallization at a temperature less than or equal to 0 degrees Celsius (° C.).
An optoelectronic device, comprising:
- an encapsulation structure;
- and
- a liquid crystal material encapsulated in the encapsulation structure and comprising:
- a first liquid crystal monomer comprising a compound, wherein the compound comprises:
- a first chain hydrocarbon group;
- a first phenyl group comprising:
- a first carbon atom linked to the first chain hydrocarbon group;
- a second carbon atom;
- and
- one or two first substituents comprising F, —CF3, or —OCF3 and adjacent to the second carbon atom;
- a second phenyl group comprising:
- a third carbon atom linked to the second carbon atom by a first linkage bond;
- and
- a fourth carbon atom;
- a thieno[3,2-b]thiophene group comprising:
- a fifth carbon atom linked to the fourth carbon atom by a second linkage bond;
- and
- a sixth carbon atom;
- and
- a second chain hydrocarbon group linked to the sixth carbon atom, wherein the first chain hydrocarbon group and the second chain hydrocarbon group are selected from a linear alkyl, a linear alkoxy, a linear fluoroalkyl, a linear alkenyl, a linear alkenyloxy, or a difluorovinyl;
- and
- a second liquid crystal monomer that, when mixed with the first liquid crystal monomer, exhibits no crystallization at a temperature less than or equal to 0 degrees Celsius (° C.).
Dependencies are inferred from the claim text.