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Blue phase liquid crystal and production method thereof

A technology of blue-phase liquid crystals and manufacturing methods, which is applied in liquid crystal materials, chemical instruments and methods, optics, etc., and can solve problems such as inability to apply to display fields

Inactive Publication Date: 2013-04-10
INNOCOM TECH SHENZHEN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Inhomogeneous blue-phase liquid crystals will form a color platelet structure due to the Bragg reflection affected by the lattice plane (Miller index, (h, k, l)), and cannot be used in the display field

Method used

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  • Blue phase liquid crystal and production method thereof
  • Blue phase liquid crystal and production method thereof
  • Blue phase liquid crystal and production method thereof

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Embodiment Construction

[0032] A blue-phase liquid crystal and its manufacturing method according to preferred embodiments of the present invention will be described below with reference to related drawings, wherein the same components will be described with the same reference symbols.

[0033] figure 1 It is a step diagram of the manufacturing method of the blue phase liquid crystal according to the first embodiment of the present invention, which includes steps S01-S03.

[0034] First, the manufacturing method includes step S01: a temperature control step, controlling the temperature of a liquid crystal mixture within a coexistence temperature range of a blue phase and an isotropic phase. Herein, the liquid crystal mixture may include at least one type of liquid crystal, and the liquid crystal may have chirality or non-rotation. When the liquid crystal species has low handedness or no handedness, the liquid crystal mixture may further include a chiral dopant, so as to make the liquid crystal have ...

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Abstract

The invention discloses a production method of a blue phase liquid crystal. The production method comprises a temperature control step, a temperature decreasing step and a repetition step, wherein the temperature control step is conducted to control the temperature of liquid crystal mixture within a blue phase and isotropic phase coexistence temperature range; and the temperature decreasing step is conducted to decrease the temperature of the liquid crystal mixture to blue phase operating temperature, and the blue phase operating temperature is higher than temperature of conversion from a blue phase to a lower-temperature phase; and the repetition step is conducted to repeat the temperature control step and the temperature decreasing step.

Description

technical field [0001] The invention relates to a liquid crystal and a manufacturing method thereof, in particular to a blue phase liquid crystal and a manufacturing method thereof. Background technique [0002] Blue phase liquid crystal (BPLC) is a self-aggregated three-dimensional photonic crystal structure. This liquid crystal phase appears between the isotropic phase (Isotropic phase) and the cholesterol phase (Cholesteric phase), but it can also be mixed with other structural liquid crystals Appears in the composition example, such as smectic liquid crystal or bow-shaped liquid crystal (bend-shape, or called banana-type liquid crystal banana-shape). Blue-phase liquid crystal has self-assembled 3D lattice characteristics, but retains the nature of fluid, and the lattice parameters are easy to change, and can have different optoelectronic characteristics. It is an excellent adjustable photonic crystal. [0003] Inhomogeneous blue-phase liquid crystals will form a platele...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K19/52G02F1/1334G02F1/133
Inventor 陈宏山吴俊宏林怡欣徐旭宽
Owner INNOCOM TECH SHENZHEN
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