CYANOSTILBENES

• Main Authors: MOHAMMED IBN-ELHAJ, SABRINA CHAPPELLET, IZABELA BURY S PIRES, FREDERIC LINCKER
• Format: Patent
• Language: English; Japanese
• Published: 14.03.2019
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; COMPOSITIONS BASED THEREON; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; FREQUENCY-CHANGING; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; ORGANIC CHEMISTRY; ORGANIC MACROMOLECULAR COMPOUNDS; PHYSICS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; THEIR PREPARATION OR CHEMICAL WORKING-UP

To provide novel compounds that are particularly useful for the alignment, especially photoalignment, of slave material, especially liquid crystals for optical or electro-optical applications, such as security applications, liquid crystal devices or optical or electro-optical films.SOLUTION: The invention provides compounds according to general formula (I) in the figure, Arand Arare each independently a ring system of 4 to 40 atoms, with each ring system including at least one unsaturation; and, if X is hydrogen and Y is CN, then R, Rand Rare each independently hydrogen, halogen or -CF, with the proviso that R, Ror Rare not simultaneously hydrogen.SELECTED DRAWING: None 【課題】セキュリティ用途、液晶デバイス又は光学若しくは電気光学フィルムなどの光学又は電気光学用途のための従材料、とりわけ液晶の、アライメント、とりわけ光アライメントに特に有用な新規化合物を提供する。【解決手段】式（Ｉ）：［式中、Ａｒ１及びＡｒ２は、互いに独立して、４〜４０個の原子の環系であり、各環系は、１つ以上の不飽和を含み、Ｘが水素であり、そしてＹがＣＮである場合、Ｒ１、Ｒ２又はＲ３は、互いに独立して、水素、ハロゲン又は−ＣＦ３であるが、但し、Ｒ１、Ｒ２又はＲ３は、同時に水素ではない］に係る化合物。【選択図】なし