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    • 1. 发明专利
    • Method for manufacturing optically anisotropic body
    • 制造光学非线性体的方法
    • JP2008287066A
    • 2008-11-27
    • JP2007132762
    • 2007-05-18
    • Dic CorpDic株式会社Hong Kong Univ Of Science & Technology香港科技大学
    • TAKATSU HARUYOSHIHASEBE HIROSHIOLEG YAROSHCHUKJACOB HOCHIGRINOV VLADIMIR GKWOK HOI-SING
    • G02B5/30G02F1/13363
    • PROBLEM TO BE SOLVED: To provide a method for efficiently manufacturing an optically anisotropic body, in which inclination of an optical axis in a thickness direction is controlled, without using an optical alignment film which needs a large-scale UV irradiation apparatus. SOLUTION: The method for manufacturing the optically anisotropic body comprises (1) a first step of forming an alignment film by applying a mixture of an alignment film material (A) for horizontally aligning a liquid crystal and an alignment film material (B) for vertically aligning the liquid crystal onto a substrate and subjecting the applied mixture of the alignment film materials (A), (B) to heating treatment and rubbing treatment and (2) a second step of applying a polymerizable liquid crystal material onto the formed alignment film, aligning the polymerizable liquid crystal material and polymerizing the aligned polymerizable liquid crystal material. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种有效地制造光学各向异性体的方法,其中光学各向异性体在厚度方向上的倾斜被控制,而不使用需要大规模UV照射装置的光学取向膜。 解决方案:制造光学各向异性体的方法包括:(1)通过施加用于使液晶水平取向的取向膜材料(A)和取向膜材料(B)的混合物来形成取向膜的第一步骤 )将液晶垂直取向到基板上,对取向膜材料(A),(B)的涂布混合物进行加热处理和摩擦处理,以及(2)将可聚合液晶材料施加到形成的 取向膜,使聚合性液晶材料取向并使取向的聚合性液晶材料聚合。 版权所有(C)2009,JPO&INPIT
    • 3. 发明专利
    • 重合性組成物溶液、および、それを用いた光学異方体
    • 可聚合组合物溶液和使用其的光学异相物质
    • JP2014231560A
    • 2014-12-11
    • JP2013112917
    • 2013-05-29
    • Dic株式会社Dic CorpDic株式会社
    • KUWANA YASUHIRONAKATA HIDETOSHINOBUTO KOICHIYAMAMOTO MIKAKOTANI KUNIHIKOHASEBE HIROSHIONO YOSHIYUKI
    • C08F220/30C07C69/54C07C69/90C07C69/94C07C255/54C09K19/38C09K19/54
    • 【課題】基材に塗布し、乾燥過程で溶剤が除去された後、重合性組成物中の重合性化合物を欠陥なく良好に配向させることができる保存安定性に優れる重合性組成物溶液を提供し、併せて、当該溶液を用いた欠陥なく良好に配向した光学異方体を提供することにある。【解決手段】重合性組成物と有機溶媒を含み、該重合性組成物が3種類以上の重合性化合物を含み、該重合性化合物として、分子内に1個の重合性官能基と1個又は2個以上の2−メチル−1,4−フェニレン基、又は、3−メチル−1,4−フェニレン基を有する単官能性化合物を1種又は2種以上及び分子内に2個の重合性官能基と1個又は2個以上の2−メチル−1,4−フェニレン基、又は、3−メチル−1,4−フェニレン基を有する2官能性化合物を1種又は2種以上含む溶液、及び、当該溶液を用いた光学異方体を提供する。【選択図】なし
    • 要解决的问题:提供一种聚合性组合物优异的聚合性组合物溶液,其中在将干燥工序中将溶液涂布在基材上并除去溶剂后,可聚合组合物中的聚合性化合物可有利地排列而没有缺陷, 并提供使用上述溶液的光学各向异性物质,其有利地排列没有缺陷。溶液:可聚合组合物溶液包含可聚合组合物和有机溶剂,其中可聚合组合物包含三种或更多种可聚合化合物。 该溶液作为可聚合化合物含有一个或多个在分子中具有一个可聚合官能团和一个或多个2-甲基-1,4-亚苯基或3-甲基-1,4-亚苯基的单官能化合物,一个 或更多的分子中具有两个可聚合官能团和一个或多个2-甲基-1,4-亚苯基或3-甲基-1,4-亚苯基的双官能化合物。 还提供了使用上述溶液的光学各向异性物质。
    • 5. 发明专利
    • Polymerizable liquid crystal composition
    • 可聚合液晶组合物
    • JP2014167111A
    • 2014-09-11
    • JP2014032838
    • 2014-02-24
    • Dic CorpDic株式会社
    • YAMAZAKI OSAMUHASEBE HIROSHITAKEUCHI KIYOBUMI
    • C09K19/54C08F2/44C08F20/30C09K19/38G02B5/30
    • PROBLEM TO BE SOLVED: To provide a polymerizable liquid crystal composition from which an optical anisotropy material showing little changes in a phase difference at a high temperature can be produced.SOLUTION: The polymerizable liquid crystal composition contains an antioxidant having a molecular weight of less than 700 and having a phenolic skeleton in which at least one hydrogen atom is replaced by a tert-butyl group. An optical anisotropic material is provided, which is a cured product of the above polymerizable liquid crystal composition. As the optical anisotropic material comprising the above polymerizable liquid crystal composition can decrease reduction in a phase difference caused by decrease in an order parameter even at a high temperature, the optical anisotropic material can be suitably used as an optical anisotropic material to be assembled in a liquid crystal cell.
    • 要解决的问题:提供一种聚合性液晶组合物,可以制造出在高温下几乎不发生相位差变化的光学各向异性材料。解决方案:聚合性液晶组合物含有分子量小于 并且具有其中至少一个氢原子被叔丁基代替的酚骨架。 提供了作为上述聚合性液晶组合物的固化物的光学各向异性材料。 由于包含上述可聚合液晶组合物的光学各向异性材料即使在高温下也可以降低由顺序参数的降低引起的相位差的降低,所以光学各向异性材料可以适合用作组装在 液晶单元
    • 7. 发明专利
    • Method of manufacturing biaxial retardation film
    • 制造双向延迟膜的方法
    • JP2011002556A
    • 2011-01-06
    • JP2009144185
    • 2009-06-17
    • Dic CorpDic株式会社
    • HASEBE HIROSHIKUWANA YASUHIRONISHIYAMA ISA
    • G02B5/30G02F1/13363
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a biaxial retardation film for not deteriorating or improving heat resistance of the film without prolonging a polarized ultraviolet ray irradiation time even if polarized ultraviolet radiation intensity is lowered for increasing a front face phase difference.SOLUTION: The method of manufacturing a biaxial retardation film includes a first exposure step and a second exposure step. In the first exposure step, a polymerizable liquid crystal composition, which comprises a polymerizable liquid crystal compound, an optically active compound and a photopolymerization initiator and shows a chiral nematic phase, is irradiated with polarized ultraviolet rays with optical absorption wavelength equal to that of the photopolymerization initiator. In the second exposure step, the polymerizable liquid crystal composition is irradiated with unpolarized ultraviolet rays with wavelength of 200-400 nm.
    • 要解决的问题:提供一种制造双轴延迟膜的方法,即使偏振紫外线强度降低以增加正面相位差,也不会延长偏振紫外线照射时间而不降低或改善膜的耐热性。 :制造双轴延迟膜的方法包括第一曝光步骤和第二曝光步骤。 在第一曝光步骤中,将具有可聚合液晶化合物,光学活性化合物和光聚合引发剂并显示手性向列相的可聚合液晶组合物用光学吸收波长等于 光聚合引发剂。 在第二曝光步骤中,用200-400nm波长的非偏振紫外线照射聚合性液晶组合物。
    • 8. 发明专利
    • Polymerizable liquid crystal composition
    • 可聚合液晶组合物
    • JP2009062513A
    • 2009-03-26
    • JP2008146744
    • 2008-06-04
    • Dic CorpDic株式会社
    • YAMAZAKI OSAMUHASEBE HIROSHITAKEUCHI KIYOBUMI
    • C09K19/38C08F2/44G02F1/13
    • PROBLEM TO BE SOLVED: To provide a polymerizable liquid crystal composition which has an effect of decreasing a tilt angle on an air interface when coated on a substrate and which does not degrade a voltage holding ratio of a liquid crystal display when an optically anisotropic body of a cured product from the polymerizable liquid crystal composition is incorporated in a liquid crystal cell.
      SOLUTION: The polymerizable liquid crystal composition contains a compound having a repeating unit expressed by general formula (I) which contains a fluorine atom, and having a weight-average molecular weight of 100 or more. This polymerizable liquid crystal composition is characterized by being useful as a material for the optically isotropic body which aligns horizontally on an air interface because of having an effect of decreasing a tile angle on the air interface, and by forming easily a laminate film without degrading a voltage holding ratio of a liquid crystal display because of containing no polar substance such as a surfactant or the like.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 解决的问题:提供一种聚合性液晶组合物,其具有在涂布在基板上时降低空气界面上的倾斜角的效果,并且当光学上不影响液晶显示器的电压保持率时,其不会降低 来自聚合性液晶组合物的固化物的各向异性体被结合在液晶单元中。 解决方案:聚合性液晶组合物含有具有由通式(I)表示的含有氟原子,重均分子量为100以上的重复单元的化合物。 该可聚合液晶组合物的特征在于可用作光学各向同性体的材料,其在空气界面上水平排列,因为具有降低空气界面上的瓦片角度的作用,并且通过容易地形成层压膜而不降解 不含极性物质如表面活性剂等的液晶显示器的电压保持率。 版权所有(C)2009,JPO&INPIT
    • 9. 发明专利
    • Polymerizable liquid crystal composition
    • 可聚合液晶组合物
    • JP2008248159A
    • 2008-10-16
    • JP2007092965
    • 2007-03-30
    • Dic CorpDic株式会社
    • YAMAZAKI OSAMUHAYASHI MASANAOHASEBE HIROSHITAKEUCHI KIYOBUMI
    • C08F230/02C08F20/30C09K19/38G02B5/30G02F1/13363
    • PROBLEM TO BE SOLVED: To obtain a polymerizable liquid crystal composition that is useful as a constituent member of an optically anisotropic body having excellent adhesivity to various substrates, especially to ITO transparent electrodes. SOLUTION: The polymerizable liquid crystal composition comprises a polymerizable phosphorus-based compound represented by general formula (I). Since an optically anisotropic body composed of the polymerizable liquid crystal composition has an excellent adhesivity to various substrates, especially to ITO transparent electrodes, the optically anisotropic body is preferably used as one to be incorporated into the inside of a liquid crystal cell. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:获得可用作各种基材,特别是ITO透明电极的粘附性优异的光学各向异性体的构成成分的聚合性液晶组合物。 解决方案:可聚合液晶组合物包含由通式(I)表示的可聚合的磷基化合物。 由于由聚合性液晶组合物构成的光学各向异性体对于各种基材,特别是ITO透明电极具有优异的粘合性,所以优选使用光学各向异性体作为一个结合到液晶单元的内部。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Polymerizable liquid crystal composition
    • 可聚合液晶组合物
    • JP2008248157A
    • 2008-10-16
    • JP2007092959
    • 2007-03-30
    • Dic CorpDic株式会社
    • YAMAZAKI OSAMUHAYASHI MASANAOHASEBE HIROSHITAKEUCHI KIYOBUMI
    • C08F230/02C08F20/30C09K19/38G02B5/30G02F1/13363
    • PROBLEM TO BE SOLVED: To obtain a polymerizable liquid crystal composition that is useful as a constituent member of an optical anisotropic substance having excellent adhesivity to various substrates, especially to ITO transparent electrodes and has an excellent compatibility. SOLUTION: The polymerizable liquid crystal composition comprises a polymerizable phosphorus-based compound represented by general formula (I). Since an optical anisotropic substance composed of the polymerizable liquid crystal composition has an excellent adhesivity to various substrates, especially to ITO transparent electrodes, the optical anisotropic substance is preferably used as one to be incorporated into the inside of a liquid crystal cell. COPYRIGHT: (C)2009,JPO&INPIT
    • 解决问题的方法:获得可用作各种基材,特别是ITO透明电极的粘合性优异的光学各向异性物质的组成成分的聚合性液晶组合物,具有优异的相容性。 解决方案:可聚合液晶组合物包含由通式(I)表示的可聚合的磷基化合物。 由于由聚合性液晶组合物构成的光学各向异性物质对各种基板,特别是ITO透明电极具有优异的粘合性,所以优选使用光学各向异性物质作为将其并入到液晶单元的内部。 版权所有(C)2009,JPO&INPIT