摘要:
A liquid crystal composition comprising a chiral dopant compound represented by the following formula: wherein: R1, R2 are independently aryl, alkyl, alkenyl, cycloalkyl, alkoxyaryl, alkaryl or heterocyclic all either substituted or unsubstituted, or combine to form a carbocyclic or heterocyclic ring; R3 and R4 are independently hydrogen, halogen, cyano, alkoxy, NHCOR7, NHSO2R7, COOR7, OCOR7, aryl, alkyl, alkenyl, cycloalkyl, alkoxyaryl, alkaryl or heterocyclic all either substituted or unsubstituted, or combine with either R1 or R2 to form a carbocylic or heterocyclic ring; R5 and R6 are independently hydrogen, CH2, CH, alkyl or aryl either substituted or unsubstituted, COOR7, or combine with L to form a carbocyclic or heterocyclic ring; R7 is aryl, alkyl, alkenyl, cycloalkyl, alkoxyaryl or heterocyclic all either substituted or unsubstituted; L is the non-metallic elements required to form a carbocyclic or heterocyclic ring, or a single bond or a double bond; m is 1-3; n is 0-12.
摘要翻译:一种液晶组合物,其包含由下式表示的手性掺杂剂化合物:其中:R 1,R 2独立地为取代或未取代的芳基,烷基,烯基,环烷基,烷氧基芳基,烷芳基或杂环,或组合形成碳环或杂环 ; R 3和R 4独立地为氢,卤素,氰基,烷氧基,NHCOR 7,NHSO 2 R 7,COOR 7,OCOR 7,芳基,烷基,烯基,环烷基,烷氧基芳基,烷芳基或杂环,均为取代或未取代的,或与R 1或R 2结合形成 碳环或杂环; R 5和R 6独立地是氢,CH 2,CH,被取代或未取代的COOR 7的烷基或芳基,或与L结合以形成碳环或杂环; R7是芳基,烷基,烯基,环烷基,烷氧基芳基或杂环,全部是取代或未取代的; L是形成碳环或杂环或单键或双键所需的非金属元素; m为1-3; n为0-12。
摘要:
A process for forming a fixed liquid crystal layer having a predetermined tilt on an orientation layer comprises: a) adding a predetermined amount of an onium salt to a liquid crystal pre-polymer coating solution containing a liquid crystal pre-polymer and a UV initiator selected from the group consisting of benzophenone and acetophenone and their derivatives; benzoin, benzoin ethers, benzil, benzil ketals, fluorenone, xanthanone, alpha and beta naphthyl carbonyl compounds and ketones; b) coating the solution over the orientation layer; c) drying the coating to form a layer; and then d) UV irradiating the layer to fix the liquid crystal molecules.
摘要:
Disclosed is a multilayer film comprising a substrate bearing an aligned liquid crystal layer wherein the aligned liquid crystal layer contains an azolium salt represented by formula (I): wherein the subscripts represent the ring positions and each X is independently N or C—R; each Z is independently N, N—R, C—(R)(R), 0, S, S02, SO, C═O, C═S, or C═NR; each R group is independently hydrogen or a substituent; and Y is a charge balancing anion, which may be a separate moiety or part of an X, Z, or R; provided two or more X, Z and R groups may form a ring; provided the salt may be part of an oligomer or polymer. Such a film provides a predetermined increase in pre-tilt angle for use in liquid crystal devices.
摘要:
A tubeless pneumatic tire having a pair of beads characterized in that the area of the bead beneath the bead core comprises a layer of cellular elastomeric material.
摘要:
The present invention relates to a photoalignable material comprising a photoactive stilbazolium-containing polymer of formula I: wherein, Ma, Mb, Mc are monomer units making up the polymer; x, y, z, are mole fractions of the monomer units Ma, Mb, Mc, wherein in each case 0
摘要翻译:本发明涉及一种光可光化材料,其包含式I的含光敏的含il唑烷的聚合物:其中,M a,b, 是构成聚合物的单体单元; x,y,z是单体单元M a,M b,M c C的摩尔分数,其中在每种情况下0
摘要:
Conjugation agents of the formula: are described, wherein Sx is —S—, —SO— or —SO2—; Rs is a carbon-containing substituent that does not include a cyano group; each R is a substituent, with at least one R having a reaction site that is not a carboxylic acid; n is 0-5; each A is carbon or nitrogen, with the proviso that no more than three A can be nitrogen; and Sx—Rs is a leaving group. The conjugation agents have good thiol reactivity and selectivity, and good stability with regard to hydrolysis.
摘要:
Disclosed is a multilayer film comprising a substrate bearing an aligned liquid crystal layer wherein the liquid crystal layer contains an onium salt represented by formula (I): (R)bM+X− Iwherein: each R is an independently selected straight, branched or cyclic alkyl group or an aromatic group and b is 2, 3, or 4; M+ is a cation chosen from periodic group Va, VIa, and VIIa of the Periodic Table of Elements; and X− is a counter-ion; provided the salt may be present as an oligomeric or polymeric form of the salt.
摘要翻译:公开了一种多层膜,其包含具有取向液晶层的基板,其中液晶层包含由式(I)表示的鎓盐:<?在线公式描述=“在线公式”末端=“铅” (R)&lt;&lt;&lt;&lt;&lt; / i&gt; I in-line-formula description =“In-line Formulas”end =“ 尾“→其中:每个R是独立选择的直链,支链或环状烷基或芳基,b是2,3或4; M +是选自周期表元素周期表Va,VIa和VIIa的阳离子; 而X - 是一种抗衡离子; 只要盐可以作为盐的低聚或聚合形式存在。
摘要:
The invention relates to a class of compounds useful as chiral dopants, which compounds are available in both enantiomeric forms, in liquid-crystal formulations. Such formulations are advantageous in displays and various other products.
摘要:
The present invention relates to a phototunable chiral dopant represented by the following structure: wherein: A, B, C and D are independent divalent groups; X and Z are any independently selected substituent; n is an integer and independently varies from 0 to 3; q is an integer and independently varies from 0 to 5; RNG1 and RNG2 independently represent any ring group; m represents an integer independently varying from 0 to 4; p represents an integer independently varying from 1 to 4; Q independently represents a carbon C—RC, or nitrogen, wherein RC is independently hydrogen or any substituent. The invention also relates to the use of the dopant in a liquid crystalline composition and a display containing the same, as well as a material composition comprising an enantiomeric excess of one enantiomer of the compound.
摘要:
The present invention relates to a bistable polymer dispersed liquid crystal display comprising a support, at least one patterned first conductor layer having thereon at least one dried imaging layer comprising a substantial monolayer of isolated domains of liquid crystal material dispersed in a continuous polymer matrix, wherein said dried imaging layer further comprises at least one absorber colorant, and wherein said isolated domains have a size distribution such that the coefficient of variation (cv) is less than 0.35.