High-brightness liquid crystal handwriting device
AssigneeWicue USA INC.
InventorFenghua Li
Life of this patent
Estimating the term…
Abstract
A high-brightness handwriting liquid crystal device is provided. The device includes a substrate, a first base layer disposed on the substrate, a first conductive layer disposed on a side of the first base layer away from the substrate, a second conductive layer opposite to the first conductive layer, a liquid crystal layer disposed between the first conductive layer and the second conductive layer, and a second base layer disposed on a side of the second conductive layer away from the liquid crystal layer. The liquid crystal layer includes a cholesteric liquid crystal mixture and a plurality of spacers, wherein a plurality of lattices is defined by the plurality of spacers, and the cholesteric liquid crystal mixture is filled in the plurality of lattices.
Claims20
A high-brightness handwriting liquid crystal device, comprising:
- a substrate,
- a first base layer disposed on the substrate,
- a first conductive layer disposed on a side of the first base layer away from the substrate,
- a second conductive layer opposite to the first conductive layer,
- a liquid crystal layer disposed between the first conductive layer and the second conductive layer, and
- a second base layer disposed on a side of the second conductive layer away from the liquid crystal layer,
- wherein the liquid crystal layer includes a cholesteric liquid crystal mixture and a plurality of spacers, an upper end of each of the plurality of spacers is in contact with the second conductive layer, and a lower end of each of the plurality of spacers is in contact with the first conductive layer;
- wherein a plurality of lattices is defined by the plurality of spacers, and the cholesteric liquid crystal mixture is filled in the plurality of lattices;
- wherein the cholesteric liquid crystal mixture is obtained by mixing nematic liquid crystals, chiral agents and microparticles.
A preparation method for high-brightness handwriting liquid crystal device, comprising:
- providing a first base layer and a second base layer;
- disposing a first conductive layer on the first base layer, and disposing a second conductive layer on the second base layer,
- forming a plurality of spacers on the first conductive layer, wherein a plurality of lattices is defined by the plurality of spacers;
- preparing a liquid crystal mixture with TN type liquid crystal, chiral agent and microparticles;
- filing the liquid crystal mixture into the plurality of lattices;
- covering the plurality of spacers and the plurality of lattices with the second base layer and the second conductive layer, wherein the second conductive layer contacts with the plurality of spacers tightly;
- and
- disposing the second base layer on a substrate.
Dependencies are inferred from the claim text.