LCD PANEL HAVING IMPROVED RESPONSE
First Claim
Patent Images
1. A liquid crystal display (LCD) panel, comprising:
- a liquid crystal layer disposed between two substrates, the liquid crystal layer including;
a nematic liquid crystal material comprising a plurality of liquid crystal molecules in an untwisted state;
a right-handed chiral dopant dispersed within the nematic liquid crystal material and configured to bias the plurality of liquid crystal molecules in a right-handed direction while maintaining the liquid crystal molecules in the untwisted state; and
a polymer network disposed among the plurality of liquid crystal molecules and configured to bias the liquid crystal molecules toward the untwisted state.
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Abstract
A liquid crystal display (LCD) having a liquid crystal layer is provided. In one embodiment, the liquid crystal layer includes a nematic liquid crystal material having liquid crystal molecules in an untwisted state. A chiral dopant is dispersed within the liquid crystal layer and configured to bias the liquid crystal molecules toward a twisted state. Furthermore, a polymer network is disposed among the liquid crystal molecules and configured to bias the liquid crystal molecules toward the untwisted state. Various additional devices and methods are also provided.
102 Citations
26 Claims
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1. A liquid crystal display (LCD) panel, comprising:
a liquid crystal layer disposed between two substrates, the liquid crystal layer including; a nematic liquid crystal material comprising a plurality of liquid crystal molecules in an untwisted state; a right-handed chiral dopant dispersed within the nematic liquid crystal material and configured to bias the plurality of liquid crystal molecules in a right-handed direction while maintaining the liquid crystal molecules in the untwisted state; and a polymer network disposed among the plurality of liquid crystal molecules and configured to bias the liquid crystal molecules toward the untwisted state. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An electronic device, comprising:
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one or more input structures; a storage structure encoding one or more executable routines; a processor capable of receiving inputs from the one or more input structures and of executing the one or more executable routines when loaded in a memory; and a liquid crystal display (LCD) capable of displaying an output of the processor, wherein the LCD includes; a pixel electrode; a common electrode disposed adjacent to a first side of the pixel electrode; and a liquid crystal layer disposed adjacent to a second side of the pixel electrode, the second side being substantially opposite from the first side, wherein the liquid crystal layer comprises a plurality of liquid crystal molecules in an untwisted state; wherein the plurality of liquid crystal molecules are configured to twist in response to an electrical field generated between the pixel electrode and the common electrode, and wherein the liquid crystal layer comprises a chiral dopant configured to bias the plurality of liquid crystal molecules toward a twisted state while permitting the plurality of liquid crystal molecules to remain in the untwisted state until the electrical field is applied. - View Dependent Claims (8, 9, 10, 11)
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12. A display panel comprising:
a liquid crystal layer having a thickness and a plurality of liquid crystal molecules configured to transition between a first orientation that inhibits transmission of light through the display panel and a second orientation that facilitates transmission of light through the display panel, wherein the liquid crystal layer includes an amount of chiral dopant sufficient to bias the liquid crystal molecules toward the second orientation but less than that which would effect rotation of the liquid crystal molecules toward the second orientation in the absence of an electrical field. - View Dependent Claims (13, 14, 15, 16)
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17. A liquid crystal display (LCD) panel comprising:
a liquid crystal layer having a plurality of liquid crystal molecules configured to transition between a first orientation that inhibits transmission of light through the LCD panel and a second orientation that facilitates transmission of light through the LCD panel, wherein the liquid crystal layer includes a polymer network configured to bias the liquid crystal molecules toward the first orientation. - View Dependent Claims (18, 19, 20, 21)
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22. A method of manufacturing a fringe field switching (FFS) liquid crystal display (LCD) panel, the method comprising:
forming a liquid crystal layer, wherein forming the liquid crystal layer comprises; disposing nematic liquid crystal material between a plurality of alignment layers; dispersing a chiral dopant within the nematic liquid crystal material, wherein the chiral dopant is configured to reduce a response time of the FFS LCD panel; and forming a polymer network within the liquid crystal layer, wherein the polymer network is also configured to reduce the response time of the FFS LCD panel. - View Dependent Claims (23, 24, 25, 26)
Specification