摘要:
The present invention relates to mesogenic media and to electro-optical displays comprising these media as light modulation media. In particular, the electro-optical displays according to the present invention are displays, which are operated at a temperature, at which the mesogenic modulation media are in an optically isotropic phase, preferably in a blue phase.
摘要:
The present invention provides a polymerizable composition having low birefringence which contains at least two types of polymerizable compounds represented by Formula (I): in the formula, A represents a phenylene or a trans-1,4-cyclohexylene, L represents -OC(=O)-, -OC(=O)O-, and the like, m represents 3 to 12, Sp 1 and Sp 2 represent an alkylene of which -CH 2 - may be substituted with -O- or the like, and the like, and Q 1 and Q 2 represent a polymerizable group, and the like, in which when a number obtained by dividing the number of trans-1,4-cyclohexylenes represented by A by m is set to mc, the polymerizable compounds include a polymerizable compound satisfying 0.5
摘要:
The invention provides a switchable lens element comprising an inverse lens structure formed by an isotropic material and an isotropic cover sheet wherein the resulting lens structure comprises an electrically switchable polymer stabilized blue phase LC medium having the same refractive index in its isotropic state. Furthermore, the present invention relates to the use of such a lens element in an electro-optical device i.e. an autostereoscopic display device operable in a 2D mode or a 3D mode, in which a lens arrangement directs the output from different pixels to different spatial positions to enable a stereoscopic image to be viewed and wherein the lens arrangement comprises a plurality of said switchable lens elements.
摘要:
The instant invention relates to mesogenic media comprising one or more compounds of formula D wherein the parameters are as specified in the text, preferably to mesogenic media showing a blue phase, preferably stabilised by a polymer, and their use in electro-optical light modulation elements and their respective use in displays, as well as to such devices.
摘要:
The instant invention relates to mesogenic media exhibiting a blue phase, comprising one, two or more compounds of formula I-A
wherein the parameters are as specified in the text, preferably stabilised by a polymer, and their use in electro-optical light modulation elements and their respective use in displays, as well as to such displays.
摘要:
A manufacturing method of blue phase liquid crystal (BPLC), comprising steps of: a temperature control step which controls a temperature of a liquid crystal (LC) mixture within a range of a coexistence temperature of the blue phase and the isotropic phase; a temperature descending step which descends the temperature of the LC mixture to an operation temperature of the blue phase, wherein the operation temperature of the blue phase is higher than the phase transition temperature of the blue phase and the lower temperature phase; and a repeating step which repeats the temperature control step and the temperature descending step.
摘要:
The present invention relates to a blue phase liquid crystal composition and to a method of stabilizing a blue phase state of a liquid crystal material. Moreover, the present invention also relates to a method of lowering the operating voltage of a liquid crystal material. Furthermore, the present invention relates to a blue phase liquid crystal material stabilized by the method according to the present invention or having an operating voltage that is lowered by the method according to the present invention. Furthermore, the present invention relates to a liquid crystal cell comprising a blue phase liquid crystal material and to a liquid crystal display comprising a blue phase liquid crystal material. The present invention also relates to a method of broadening the stability temperature range of a liquid crystal material in its blue phase state.
摘要:
Die vorliegende Erfindung betrifft flüssigkristalline Verbindungen mit zwei fluorierten Biphenyleinheiten, einer terminalen Trifluormethyl- oder Trifluormethoxygruppe und einer -CF 2 O- Brücke zwischen den zwei fluorierten Biphenyleinheiten. Die Erfindung betrifft außerdem damit hergestellte flüssigkristalline Medien und diese Medien enthaltende Flüssigkristall-Anzeigevorrichtungen (LC-Displays).