公开(公告)号：US5920368A

公开(公告)日：1999-07-06

申请号：US984166

申请日：1997-12-03

申请人： Takuji Hatano ,  Kiyofumi Hashimoto ,  Nobuyuki Kobayashi

发明人： Takuji Hatano ,  Kiyofumi Hashimoto ,  Nobuyuki Kobayashi

IPC分类号： G02F1/1333 ,  C09K19/54 ,  G02F1/1334 ,  G02F1/137

CPC分类号： G02F1/13718 ,  G02F1/1334 ,  G02F2001/13345

摘要： A composite material includes a cholesteric liquid crystal; a polymer which is distributed in phase-separated domains and provides an effective form-retention property for the composite material; and an additional material which is dissolved in the cholesteric liquid crystal and maintains a cholesteric phase of the liquid crystal and bistability of a focal conic state and a planar state of the liquid crystal.

摘要翻译： 复合材料包括胆甾型液晶; 分散在相分离区域中并为复合材料提供有效的保形性的聚合物; 以及溶解在胆甾型液晶中并保持液晶的胆甾醇相和液晶的焦锥状态和平面状态的双稳态的附加材料。

公开(公告)号：US06331884B1

公开(公告)日：2001-12-18

申请号：US09115495

申请日：1998-07-14

申请人： Naoki Masazumi ,  Nobuyuki Kobayashi ,  Masakazu Okada ,  Kiyofumi Hashimoto ,  Takuji Hatano

发明人： Naoki Masazumi ,  Nobuyuki Kobayashi ,  Masakazu Okada ,  Kiyofumi Hashimoto ,  Takuji Hatano

IPC分类号： G02F11339

CPC分类号： G02F1/133377 ,  G02F1/13718

摘要： A method of making a liquid crystal device having a plurality of cells of liquid crystal material, includes the steps of: (a) preparing a first base having a first surface; (b) providing a first phase of a material and a plurality of second phases of at least one liquid crystal material on the first surface, said second phases being spatially dispersed in a first prescribed pattern; (c providing a second base having a second surface, the second surface being substantially in contact with the first and second phases; and (d) solidifying the material of the first phase. The liquid crystal cells are formed of the dispersed liquid crystal materials. The plurality of second phases may include at least a group of liquid crystal materials which exhibits a cholesteric characteristic having a selective reflection wavelength in the visible range and a group of liquid crystal materials which exhibits a cholesteric characteristic having a different selective reflection wavelength in the visible range.

摘要翻译： 制造具有多个液晶材料单元的液晶装置的方法包括以下步骤：（a）制备具有第一表面的第一基底; （b）在第一表面上提供至少一种液晶材料的材料和多个第二相的第一相，所述第二相以第一规定图案空间分散; （c）提供具有第二表面的第二基底，所述第二表面基本上与所述第一和第二相接触;以及（d）固化所述第一相的材料，所述液晶单元由分散的液晶材料形成。 多个第二相可以包括至少一组液晶材料，其表现出在可见光范围内具有选择性反射波长的胆甾醇特征，以及一组在可见光下具有不同选择反射波长的胆甾醇特性的液晶材料 范围。

公开(公告)号：US6015507A

公开(公告)日：2000-01-18

申请号：US555299

申请日：1995-11-08

申请人： Nobuyuki Kobayashi ,  Kiyofumi Hashimoto ,  Takuji Hatano

发明人： Nobuyuki Kobayashi ,  Kiyofumi Hashimoto ,  Takuji Hatano

IPC分类号： C09K19/54 ,  C09K19/52 ,  G02F1/1333 ,  G02F1/137

CPC分类号： C09K19/544

摘要： A liquid crystal element includes a pair of plates at least one of which is transparent, and a composite layer retained between the plates and including a liquid crystal material in a transparent resin substrate. In the liquid crystal element, (A) the liquid crystal material in the composite layer contains aromatic rings and exhibits a cholesteric phase, the substrate in the composite layer is made of resin and contains aromatic rings, and a ratio of the number of aromatic rings to that of carbon atoms in the main chain of monomer is in a range from 1:5 to 1:12; (B) the liquid crystal material in the composite layer is formed of a mixture of a liquid crystal material exhibiting a nematic phase and a liquid crystal material exhibiting a smectic phase, and exhibits a cholesteric phase as a whole; or (C) the liquid crystal material in the composite layer is formed of a mixture of a tolane liquid crystal material, a biphenyl liquid crystal material and a chiral ingredient, and exhibits a cholesteric phase as a whole.

摘要翻译： 液晶元件包括至少一个透明的一对板，并且复合层保持在板之间并且在透明树脂基板中包括液晶材料。 在液晶元件中，（A）复合层中的液晶材料含有芳环并呈现胆甾醇相，复合层中的基材由树脂构成，含有芳香环，芳环数 与单体主链中碳原子的比例在1:5至1:12的范围内; （B）复合层中的液晶材料由显示向列相的液晶材料和表现出近晶相的液晶材料的混合物形成，并且整体呈现胆甾型相。 或（C）复合层中的液晶材料由甲苯液晶材料，联苯液晶材料和手性成分的混合物形成，并且整体呈胆甾型相。

公开(公告)号：US5731861A

公开(公告)日：1998-03-24

申请号：US640585

申请日：1996-05-01

申请人： Takuji Hatano ,  Kiyofumi Hashimoto ,  Nobuyuki Kobayashi

发明人： Takuji Hatano ,  Kiyofumi Hashimoto ,  Nobuyuki Kobayashi

IPC分类号： G02F1/1333 ,  C09K19/54 ,  G02F1/1334 ,  G02F1/137

CPC分类号： G02F1/13718 ,  G02F1/1334 ,  G02F2001/13345

摘要： A composite material includes a cholesteric liquid crystal; a polymer which is distributed in phase-separated domains and provides an effective form-retention property for the composite material; and an additional material which is dissolved in the cholesteric liquid crystal and maintains a cholesteric phase of the liquid crystal and bistability of a focal conic state and a planar state of the liquid crystal.

公开(公告)号：US06433843B1

公开(公告)日：2002-08-13

申请号：US09586953

申请日：2000-06-05

申请人： Masakazu Okada ,  Takuji Hatano ,  Kiyofumi Hashimoto

发明人： Masakazu Okada ,  Takuji Hatano ,  Kiyofumi Hashimoto

IPC分类号： G02F11334

CPC分类号： G02F1/13473 ,  C09K19/586 ,  G02F1/1334 ,  G02F1/13718

摘要： A liquid crystal reflective display comprising cholesteric liquid crystal capable of selectively reflecting spectral rays of a specific wavelength in a visible range; and a carrier carrying said cholesteric liquid crystal, wherein at least one of said cholesteric liquid crystal and said carrier contains a coloring agent absorbing spectral rays in a wavelength range different from the selective reflection wavelength of said cholesteric liquid crystal.

摘要翻译： 一种液晶反射显示器，包括能够选择性地反射特定波长的光谱在可见光范围内的胆甾型液晶; 和携带所述胆甾型液晶的载体，其中所述胆甾型液晶和所述载体中的至少一种含有吸收与所述胆甾型液晶的选择反射波长不同的波长范围内的光谱的着色剂。

公开(公告)号：US06320631B1

公开(公告)日：2001-11-20

申请号：US09586954

申请日：2000-06-05

申请人： Masakazu Okada ,  Takuji Hatano ,  Kiyofumi Hashimoto

发明人： Masakazu Okada ,  Takuji Hatano ,  Kiyofumi Hashimoto

IPC分类号： G02F1137

CPC分类号： G02F1/13473 ,  C09K19/586 ,  G02F1/1334 ,  G02F1/13718

摘要： A liquid crystal reflective display comprising cholesteric liquid crystal capable of selectively reflecting spectral rays of a specific wavelength in a visible range; and a carrier carrying said cholesteric liquid crystal, wherein at least one of said cholesteric liquid crystal and said carrier contains a coloring agent absorbing spectral rays in a wavelength range different from the selective reflection wavelength of said cholesteric liquid crystal.

摘要翻译： 一种液晶反射显示器，包括能够选择性地反射特定波长的光谱在可见光范围内的胆甾型液晶; 和携带所述胆甾型液晶的载体，其中所述胆甾型液晶和所述载体中的至少一种含有吸收与所述胆甾型液晶的选择反射波长不同的波长范围内的光谱的着色剂。

公开(公告)号：US06278505B1

公开(公告)日：2001-08-21

申请号：US09586955

申请日：2000-06-05

申请人： Masakazu Okada ,  Takuji Hatano ,  Kiyofumi Hashimoto

发明人： Masakazu Okada ,  Takuji Hatano ,  Kiyofumi Hashimoto

IPC分类号： G02F11347

CPC分类号： G02F1/13473 ,  C09K19/586 ,  G02F1/1334 ,  G02F1/13718

摘要： A liquid crystal reflective display comprising cholesteric liquid crystal capable of selectively reflecting spectral rays of a specific wavelength in a visible range; and a carrier carrying said cholesteric liquid crystal, wherein at least one of said cholesteric liquid crystal and said carrier contains a coloring agent absorbing spectral rays in a wavelength range different from the selective reflection wavelength of said cholesteric liquid crystal.

公开(公告)号：US06204908B1

公开(公告)日：2001-03-20

申请号：US08929864

申请日：1997-09-15

申请人： Kiyofumi Hashimoto ,  Takuji Hatano ,  Masakazu Okada

发明人： Kiyofumi Hashimoto ,  Takuji Hatano ,  Masakazu Okada

IPC分类号： C09K1902

CPC分类号： G02F1/133504 ,  C09K19/544 ,  G02F1/1334 ,  G02F1/13718

摘要： A reflecting liquid crystal display unit that reflects light entering from an observer side to display an image. The reflecting liquid crystal display has a composite layer of cholesteric liquid crystal material and polymer resin, and an an isotropic scattering layer. The an isotoropic scattering layer scatters light entering this layer at a relative large incident angle passes light entering this layer at a relative small incident angle. The an isotoropic scattering layer is provided on an observer side of the composite layer.

摘要翻译： 反射液晶显示单元，反射从观察者侧进入的显示图像的光。 反射液晶显示器具有胆甾型液晶材料和聚合物树脂的复合层和各向同性散射层。 等角同位素散射层以相对大的入射角散射进入该层的光，以相对小的入射角进入该层。 在复合层的观察者侧设置等角度散射层。

公开(公告)号：US06549261B1

公开(公告)日：2003-04-15

申请号：US08759347

申请日：1996-12-03

申请人： Masakazu Okada ,  Takuji Hatano ,  Kiyofumi Hashimoto

发明人： Masakazu Okada ,  Takuji Hatano ,  Kiyofumi Hashimoto

IPC分类号： G02F1137

CPC分类号： G02F1/13473 ,  C09K19/586 ,  G02F1/1334 ,  G02F1/13718

摘要： A liquid crystal reflective display comprising cholesteric liquid crystal capable of selectively reflecting spectral rays of a specific wavelength in a visible range; and a carrier carrying said cholesteric liquid crystal, wherein at least one of said cholesteric liquid crystal and said carrier contains a coloring agent absorbing spectral rays in a wavelength range different from the selective reflection wavelength of said cholesteric liquid crystal.

公开(公告)号：US6124908A

公开(公告)日：2000-09-26

申请号：US872202

申请日：1997-06-10

申请人： Nobuyuki Kobayashi ,  Takuji Hatano ,  Masakazu Okada ,  Naoki Masazumi

发明人： Nobuyuki Kobayashi ,  Takuji Hatano ,  Masakazu Okada ,  Naoki Masazumi

IPC分类号： C09K19/54 ,  G02F1/1334 ,  G02F1/137 ,  G02F1/1335

CPC分类号： C09K19/542 ,  G02F1/1334 ,  G02F1/13718

摘要： A liquid crystal element has a pair of substrates at least one of which is transparent, and a composite layer, which is retained between said pair of substrates, comprising a transparent resin matrix and a liquid crystal material having cholesteric characteristics.(1) In the liquid crystal element, a contact angle between the liquid crystal material and the resin used in the transparent resin matrix is 30.degree. or less.(2) In the liquid crystal element, said liquid crystal material reflects a light component having a wavelength in a range from 1.0 .mu.m to 1.5 .mu.m in a planar state.(3) In the liquid crystal element, said transparent resin matrix is formed by polymerizing of a mixture of compound having the following formula (1) and multi-functional acrylate derivative, ##STR1## wherein n is a natural number from 1 to 2.

摘要翻译： 液晶元件具有至少一个透明的一对基板，并且保持在所述一对基板之间的复合层包括透明树脂基体和具有胆甾醇特性的液晶材料。 （1）在液晶元件中，透明树脂基体中使用的液晶材料与树脂的接触角为30°以下。 （2）在液晶元件中，所述液晶材料在平面状态下反射波长在1.0μm至1.5μm范围内的光成分。 （3）在液晶元件中，所述透明树脂基体是通过使具有下式（1）的化合物和多官能丙烯酸酯衍生物的混合物聚合形成的，其中n为1〜2的自然数。