Low viscosity liquid crystal material

A liquid crystal material, low viscosity technology, applied in the direction of liquid crystal materials, instruments, chemical instruments and methods, etc., can solve the problems of difficult measurement experiments, unpredictable effects, and difficulties in predicting its performance, so as to achieve the goal of reducing bulk viscosity Effect
CN1257532AInactive Publication Date: 2000-06-21KENT DISPLAY SYST
4 Cites 15 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
KENT DISPLAY SYST
Publication Date
2000-06-21
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

A liquid crystal material for a display device includes a first chiral nematic liquid crystal component and a second component that exhibits no liquid crystalline phase at any temperature. The second component is present in an amount effective to reduce the bulk viscosity of the liquid crystal material by at least about 26 % at room temperature or is present in an amount of at least about 5 % by weight based upon the total weight of the liquid crystal material. The liquid crystal material may have a positive dielectric anisotropy. The second component may have a molecular weight not exceeding 205 grams / mole. Embodiments relate to a display device comprising the present material. Another aspect includes a method of increasing the switching speed in a display that employs the present material.
Need to check novelty before this filing date? Find Prior Art

Description

[0001] This application was made with Government support in part under Cooperative Agreement Nos. NG1331-94C-0042 and NG1331-96C-0042 entered into by the Defense Advanced Research Projects Agency. The Government therefore has certain rights in this application. field of invention

[0002] The present invention relates to chiral nematic liquid crystal materials for use in displays, which materials contain additives which reduce the viscosity of said materials. Background of the invention

[0003] Stabilized cholesteric liquid crystals have a high viscosity due to the presence of a large amount of chiral dopants in the chiral material and the corresponding strong inherent twist. However, high viscosity may undesirably increase the response time of such materials when they are used in electro-optic devices.

[0004] In order to lower the viscosity of nematic liquid crystals, various substances have been added to the material in the past. Nematic liquid crystal materials have ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More