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    • 1. 发明授权
    • Chemical adsorbate compound, organic film, liquid crystal alignment film, and liquid crystal display device utilizing the chemical adsorbate compound
    • 化学吸附物质化合物,有机膜,液晶取向膜和利用化学吸附物质的液晶显示装置
    • US06451392B1
    • 2002-09-17
    • US09610292
    • 2000-07-05
    • Tadashi OotakeKazufumi OgawaTakaiki NomuraTakako Takebe
    • Tadashi OotakeKazufumi OgawaTakaiki NomuraTakako Takebe
    • C09K1956
    • B82Y30/00C07F7/025G02F1/133719G02F1/133788Y10T428/1014
    • A novel chemical adsorbate compound capable of forming a monomolecular thin film is provided. The chemical adsorbate compound is transparent and stable in the visible light range, and has a photosensitive group which causes a photochemical reaction in the ultraviolet light range. Utilizing the chemical adsorbate compound, a liquid crystal alignment film is also provided. The liquid crystal alignment film has an excellent thermal stability and alignment control performance. Utilizing liquid crystal alignment film, a liquid crystal display device is further provided. The liquid crystal display device achieves wide viewing angles and clear display images at small driving voltages. These are achieved by, as one example, providing a chemical adsorbate compound including a chalcone derivative having a COO group at the 4′ position in the chalcone skeleton and an —SiX3 group, where X is a halogen, at the molecular end adjacent to the COO group. Another example of the chemical adsorbate compound is a compound in which a linear hydrocarbon group is ether-linked at the 4 position of the benzene ring in the chalcone skeleton and an —SiX3 group, where X is a halogen, is ether-linked to the hydrocarbon group.
    • 提供能形成单分子薄膜的新型化学吸附物质化合物。 化学吸附物质在可见光范围内是透明和稳定的,并且具有在紫外光范围内引起光化学反应的光敏基团。 利用化学吸附物质,还提供液晶取向膜。 液晶取向膜具有优异的热稳定性和取向控制性能。 利用液晶取向膜,还提供了液晶显示装置。 液晶显示装置在较小的驱动电压下实现宽视角和清晰的显示图像。 这些通过作为一个实例来实现,其提供化学吸附物质化合物,其包括在查耳酮骨架中在4'位具有COO基团的查耳酮衍生物和X 1为卤素的-SiX 3基团, 首席运营组。 化学吸附物质化合物的另一个例子是在查耳酮骨架中的苯环的4位和直链烃基被醚连接的化合物和其中X是卤素的-SiX 3基团与 烃基。
    • 2. 发明授权
    • Thin-film forming chemical adsorption material, producing method thereof and applications thereof
    • 薄膜形成化学吸附材料及其制备方法及应用
    • US06524715B1
    • 2003-02-25
    • US09786158
    • 2001-03-01
    • Tadashi OotakeKazufumi OgawaTakaiki NomuraTakako Takebe
    • Tadashi OotakeKazufumi OgawaTakaiki NomuraTakako Takebe
    • B32B904
    • B82Y30/00C07F7/025C07F7/12Y10T428/3154Y10T428/31663
    • A thin film forming chemical absorption material including at least a functional group of the formula CF3—CF2—CH2—O—(benzene)—CH=CH—C(O)—(benzene)— and a —SiX group (X represents halogen) as an end group bonded by siloxane bond. The chemical absorption material can form a monomolecular thin-film having photosensitive groups that are transparent and stable in a visible light region and cause photochemical reaction in an ultraviolet region. A liquid crystal alignment film includes an aggregation of adsorption molecules chemically absorbed directly on a surface with electrodes or chemically adsorbed indirectly thereon through another material layer having a characteristic group the formula above and a —O—Si bond group at a molecular end group. The liquid crystal alignment film is uniformly and strongly anchored on the substrate, has excellent thermal alignment stability, alignment controllability, and a film thickness permitting formation with good productivity.
    • 至少包含式CF 3 -CF 2 -CH 2 -O-(苯)-CH = CH-C(O) - (苯)官能团和-SiX基团(X代表卤素)的薄膜形成化学吸收材料 )作为通过硅氧烷键键合的端基。 化学吸收材料可以形成具有在可见光区域是透明和稳定的光敏基团并在紫外区域引起光化学反应的单分子薄膜。 液晶取向膜包括通过具有上述特征基团的另一材料层和分子端基上的-O-Si键基直接化学吸附在具有电极的表面上或通过其间接化学吸附的吸附分子的聚集体。 液晶取向膜均匀且牢固地锚定在基板上,具有优异的热取向稳定性,取向可控性和允许形成的膜厚度,并且生产率高。