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1. 发明授权

US07713437B2 Liquid crystal composition, liquid crystal element, reflective display material, and light-controlling material 失效
标题翻译：液晶组合物，液晶元件，反射显示材料和光控材料
公开(公告)号：US07713437B2
公开(公告)日：2010-05-11
申请号：US11806242
申请日：2007-05-30
申请人： Koji Takaku , Takashi Kato
发明人： Koji Takaku , Takashi Kato
IPC分类号： C09K19/00 , C09K19/06 , C09K19/52
CPC分类号： C09K19/544 , C09K19/2007 , C09K19/3068 , C09K19/3402 , C09K19/42 , C09K19/603 , C09K2019/0407 , C09K2019/3422 , G02F1/13476 , G02F1/13781 , Y10T428/10
摘要： The present invention provides a dual frequency addressable smectic A liquid crystal composition having a crossover frequency, wherein the smectic A phase is induced by mixing of at least a first nematic liquid crystal compound or composition and a second nematic liquid crystal compound or composition.
摘要翻译：本发明提供具有交叉频率的双频寻址性近晶A液晶组合物，其中通过混合至少第一向列型液晶化合物或组合物和第二向列型液晶化合物或组合物来诱导近晶A相。

2. 发明申请

US20100039595A1 LIQUID CRYSTAL DEVICE 有权
标题翻译：液晶装置
公开(公告)号：US20100039595A1
公开(公告)日：2010-02-18
申请号：US12199997
申请日：2008-08-28
申请人： Naoyuki Hayashi , Takashi Kato , Koji Takaku , Katsuyuki Yofu
发明人： Naoyuki Hayashi , Takashi Kato , Koji Takaku , Katsuyuki Yofu
IPC分类号： G02F1/1337
CPC分类号： C09K19/3003 , C09K19/3068 , C09K19/586 , C09K19/60 , C09K2019/3021 , G02F1/13725
摘要： A liquid crystal device including a pair of electrodes provided with a vertical alignment film and a liquid crystal layer disposed between the pair of electrodes and including a liquid crystal composition containing a liquid crystal with positive dielectric anisotropy, a dichroic dye and a chiral reagent, with a ratio (P/G) of a chiral pitch length (P) of the liquid crystal composition to a gap (G) between the pair of electrodes being from 0.06 to less than 1.0.
摘要翻译：一种液晶装置，包括一对电极，设置有垂直取向膜和设置在该对电极之间的液晶层，并且包括含有具有正介电各向异性的液晶的液晶组合物，二色性染料和手性试剂，液晶组合物的手性间距长度（P）与一对电极间的间隙（G）的比（P / G）为0.06〜小于1.0。

3. 发明授权

US07396573B2 Liquid crystal display element and light-modulating material 有权
标题翻译：液晶显示元件和调光材料
公开(公告)号：US07396573B2
公开(公告)日：2008-07-08
申请号：US11607857
申请日：2006-12-04
申请人： Takashi Kato , Koji Takaku
发明人： Takashi Kato , Koji Takaku
IPC分类号： C09K19/60 , C09K19/52 , G02F1/13
CPC分类号： C09K19/60 , C09K19/52 , C09K19/54 , C09K19/603 , C09K2019/526 , Y10T428/1036
摘要： The invention provides a liquid crystal display element and a light-modulating material each containing at least one low molecular weight gelling agent, at least one dichroic dye having a substituent represented by formula (1) and at least one host liquid crystal between a pair of electrodes at least one of which is a transparent electrode. Representations in formula (1) are: Het, O or S; B1 and B2, divalent arylene, heteroarylene or alicyclic hydrocarbon group; Q1, divalent linking group; C1, alkyl, cycloalkyl, alkoxy, alkoxycarbonyl, acyl or acyloxy group; j, 0 or 1; p, q and r, an integer 0 to 5; n, an integer 1 to 3; and (p+r)×n is an integer 3 to 10. -(Het)j-[(B1)p-(Q1)q-(B2)r]n-C1 Formula (1)
摘要翻译：本发明提供了一种液晶显示元件和光调制材料，它们分别含有至少一种低分子量胶凝剂，至少一种具有式（1）表示的取代基的二色性染料和至少一种主要液晶，电极中的至少一个是透明电极。式（1）中的表示为：Het，O或S; B 1和B 2，二价亚芳基，亚杂芳基或脂环族烃基; Q 1，2价连接基团; C 1-4烷基，环烷基，烷氧基，烷氧基羰基，酰基或酰氧基; j，0或1; p，q和r，整数0〜5; n，整数1〜3; 和（p + r）xn是3到10的整数。<？in-line-formula description =“In-line Formulas”end =“lead”？>（Het）（B 1） - （Q 1） - （B 1） - （B 1）式（1）<？in-line-formula description =“In-line Formulas”end =“ 尾巴“？>

4. 发明授权

US07871539B2 Liquid crystal composition, liquid crystal element, reflective display material, light-controlling material, and method of preparing liquid crystal composition 失效
标题翻译：液晶组合物，液晶元件，反射显示材料，光控材料以及制备液晶组合物的方法
公开(公告)号：US07871539B2
公开(公告)日：2011-01-18
申请号：US12124534
申请日：2008-05-21
申请人： Koji Takaku , Naoyuki Hayashi , Takashi Kato
发明人： Koji Takaku , Naoyuki Hayashi , Takashi Kato
IPC分类号： C09K19/00 , C09K19/06 , C09K19/52 , G03F1/1333
CPC分类号： C09K19/32 , C09K19/2007 , C09K19/36 , C09K19/586 , C09K19/60 , C09K19/603 , C09K2019/3408 , C09K2019/3425 , Y10T428/10
摘要： The present invention provides a liquid crystal composition having at least a liquid crystal and a chiral dopant, in which the chiral dopant is a compound having a liquid crystalline group of a specific structure bonded to a rigid optically active compound. The present invention provides a liquid crystal element having at least a pair of electrodes in which at least one of the electrodes is a transparent electrode, and a liquid crystal layer containing the liquid crystal composition. The present invention also provides a reflective display material and a light-controlling material having at least the liquid crystal element, and a method of preparing the liquid crystal element by adding the chiral dopant to a host liquid crystal.
摘要翻译：本发明提供了至少具有液晶和手性掺杂剂的液晶组合物，其中手性掺杂剂是具有与刚性光学活性化合物键合的特定结构的液晶基团的化合物。本发明提供一种具有至少一对电极的液晶元件，其中至少一个电极是透明电极，以及含有液晶组合物的液晶层。本发明还提供一种具有至少液晶元件的反射显示材料和光控材料，以及通过向主液晶中添加手性掺杂剂来制备液晶元件的方法。

5. 发明授权

US07623203B2 Light modulating material 失效
标题翻译：调光材料
公开(公告)号：US07623203B2
公开(公告)日：2009-11-24
申请号：US11907932
申请日：2007-10-18
申请人： Naoyuki Hayashi , Koji Takaku , Takashi Kato
发明人： Naoyuki Hayashi , Koji Takaku , Takashi Kato
IPC分类号： G02F1/1335 , G02F1/1337
CPC分类号： G02F1/13475
摘要： The invention provides a light modulating material capable of supplying a predetermined light modulating property over a long period of time regardless of an incident light condition. The light modulating material includes at least: a first liquid crystal layer which has at least a dichroic dye and changes from a colorless transparency state to a colored transparency state when voltage is applied thereto; and a second liquid crystal layer which changes from a colorless transparency state to a white light-scattering state when voltage is applied thereto. The second liquid crystal layer is provided closer to a surface of the light modulating material on which light is incident compared to the first liquid crystal layer.
摘要翻译：本发明提供一种光调制材料，能够长时间地提供预定的光调制特性，而与入射光条件无关。光调制材料至少包括：当施加电压时至少具有二色性染料并从无色透明状态变为着色透明度状态的第一液晶层; 以及当施加电压时，从无色透明状态变为白色光散射状态的第二液晶层。与第一液晶层相比，第二液晶层更靠近光入射的光调制材料的表面。

6. 发明授权

US07402331B2 Liquid crystal element 有权
标题翻译：液晶元件
公开(公告)号：US07402331B2
公开(公告)日：2008-07-22
申请号：US11521437
申请日：2006-09-15
申请人： Koji Takaku , Takashi Kato
发明人： Koji Takaku , Takashi Kato
IPC分类号： C09K19/52 , C09K19/38 , C09K19/60
CPC分类号： C09K19/02 , C09K19/60 , C09K19/603 , G02F1/13475 , G02F1/13781 , G09G3/3629 , G09G3/3651 , G09G2310/06 , Y10T428/10
摘要： A liquid crystal element in which a liquid crystal layer containing at least two types of dual frequency addressable smectic liquid crystal compositions having different threshold voltage are disposed between one pair of electrodes at least one of them being a transparent electrode.
摘要翻译：一种液晶元件，其中包含至少两种具有不同阈值电压的双重可寻址的近晶液晶组合物的液晶层设置在一对电极之间，其中至少一个是透明电极。

7. 发明授权

US07820071B2 Light modulating material and light modulating method 有权
标题翻译：光调制材料和光调制方法
公开(公告)号：US07820071B2
公开(公告)日：2010-10-26
申请号：US12095487
申请日：2006-12-08
申请人： Takashi Kato , Koji Takaku , Naoyuki Hayashi , Akihide Osaku
发明人： Takashi Kato , Koji Takaku , Naoyuki Hayashi , Akihide Osaku
IPC分类号： C09K19/00 , C09K19/06 , C09K19/52 , G02F1/03 , G02F1/13
CPC分类号： C09K19/603 , C09K19/60 , C09K19/601 , Y10T428/10 , Y10T428/1036
摘要： A light modulating material comprising at least one kind of dichroic dye having a substituent represented by the following Formula (1) and at least one kind of host liquid crystal between a pair of electrodes, and changing the transmittance of incident light. In the formula (1), Het is oxygen atom or sulfur atom; B1 and B2 each independently represent an arylene group, a heteroarylene group or a bivalent cyclic aliphatic hydrocarbon group; Q1 represents a bivalent linking group; C1 represents an alkyl group, a cycloalkyl group, an alkoxy group, an alkoxycarbonyl group, an acyl group, or an acyloxy group; j represents 0 or 1; p, q and r each independently represent an integer from 0 to 5; n represents an integer from 1 to 3; (p+r)×n is an integer from 3 to 10. -(Het)j-{(B1)p-(Q1)q-(B2)r}n—C1 Formula (1):
摘要翻译：一种光调制材料，其包含至少一种具有由下式（1）表示的取代基的二色性染料和一对电极之间的至少一种主体液晶，并且改变入射光的透射率。在式（1）中，Het是氧原子或硫原子; B1和B2各自独立地表示亚芳基，亚杂芳基或二价环状脂族烃基; Q1表示二价连接基团; C1表示烷基，环烷基，烷氧基，烷氧基羰基，酰基或酰氧基; j表示0或1; p，q和r各自独立地表示0至5的整数; n表示1〜3的整数，（p + r）×n为3〜10的整数。（Het）j - {（B1）p-（Q1）q-（B2）r} n-C1式（1）

8. 发明申请

US20090098314A1 Liquid crystal composition, liquid crystal device, reflective display material and light modulating material 失效
标题翻译：液晶组合物，液晶装置，反光显示材料和光调制材料
公开(公告)号：US20090098314A1
公开(公告)日：2009-04-16
申请号：US12285439
申请日：2008-10-06
申请人： Koji Takaku , Katsuyuki Yofu , Naoyuki Hayashi , Takashi Kato
发明人： Koji Takaku , Katsuyuki Yofu , Naoyuki Hayashi , Takashi Kato
IPC分类号： C09K19/52
CPC分类号： C09K19/603 , C09K19/544 , Y10T428/10
摘要： A liquid crystal composition including a liquid crystal and at least three anthraquinone dyes, at least two of the anthraquinone dyes having a substituent represented by the following Formula (I): wherein in Formula (I), * represents a linking position; R25 and R26 each independently represent an alkyl group, a halogen atom or an alkoxy group; R27 represents an alkyl group, an acyl group or an alkoxy group; R28 and R29 each independently represent a hydrogen atom or a substitutent; T1 represents an arylene group or a heteroarylene group; Z represents an oxygen atom, a sulfur atom or a carbonyl group; m represents an integer of 0 to 2; and i represents 0 or 1, wherein when i is 1 and Z is an oxygen atom or a sulfur atom, R27 is not an alkoxy group, and when i is 1 and Z is a carbonyl group, R27 is not an acyl group.
摘要翻译：一种包含液晶和至少三种蒽醌染料的液晶组合物，至少两种具有由下式（I）表示的取代基的蒽醌染料：其中在式（I）中，*表示连接位置; R 25和R 26各自独立地表示烷基，卤素原子或烷氧基; R 27表示烷基，酰基或烷氧基; R 28和R 29各自独立地表示氢原子或取代基; T1表示亚芳基或亚杂芳基; Z表示氧原子，硫原子或羰基; m表示0〜2的整数。 i表示0或1，其中当i为1且Z为氧原子或硫原子时，R27不为烷氧基，当i为1且Z为羰基时，R27为酰基。

9. 发明授权

US07427364B2 Liquid crystal composition, liquid crystal element, and cross-linked siloxane polymer 失效
标题翻译：液晶组合物，液晶元件和交联硅氧烷聚合物
公开(公告)号：US07427364B2
公开(公告)日：2008-09-23
申请号：US11476079
申请日：2006-06-28
申请人： Koji Takaku , Takashi Kato
发明人： Koji Takaku , Takashi Kato
IPC分类号： C09K19/00 , C09K19/52
CPC分类号： C09K19/60 , C09K19/408 , Y10T428/10
摘要： The present invention provides a liquid crystal composition obtained by dissolving a dichroic dye in a mixture of a cross-linked polymer having a liquid crystalline group in the side chains and a low molecular weight liquid crystal, and preferably the cross-linked polymer is a cross-linked siloxane polymer having a liquid crystalline group in the side chains, and the dielectric constant anisotropy of the liquid crystal composition is changed from positive to negative by increasing the frequency of the voltage to be applied. The present invention further provides a liquid crystal element containing the liquid crystal composition and a cross-linked siloxane polymer preferably usable for the liquid crystal composition.
摘要翻译：本发明提供了通过将二色性染料溶解在侧链中具有液晶基团的交联聚合物和低分子量液晶的混合物中获得的液晶组合物，优选地，交联聚合物是交叉在侧链中具有液晶基团的连接的硅氧烷聚合物，并且液晶组合物的介电常数各向异性通过增加施加的电压的频率而从正变为负。本发明还提供一种含有液晶组合物和优选可用于液晶组合物的交联硅氧烷聚合物的液晶元件。

10. 发明申请

US20080152843A1 Liquid Crystal Composition, Liquid Crystal Element, and Siloxane Polymer 失效
标题翻译：液晶组合物，液晶元件和硅氧烷聚合物
公开(公告)号：US20080152843A1
公开(公告)日：2008-06-26
申请号：US11883289
申请日：2006-01-30
申请人： Takashi Kato , Koji Takaku
发明人： Takashi Kato , Koji Takaku
IPC分类号： C09K19/02 , C08G77/14
CPC分类号： C09K19/601 , C09K19/2007 , C09K19/408 , C09K19/60 , C09K19/603 , Y10T428/10 , Y10T428/1055
摘要： The present invention provides a liquid crystal composition including a siloxane polymer, a nematic liquid crystal compound substituted with at least one fluorine atom, and at least one dichroic dye; and a liquid crystal composition including a siloxane polymer having liquid crystalline group at the side chain of the polymer, a low molecular-weight liquid crystal compound, and a dichroic dye, in which the dielectric constant anisotropy of the liquid crystal composition is changed from being positive to being negative when the frequency of the voltage to be applied is increased.
摘要翻译：本发明提供一种液晶组合物，其包含硅氧烷聚合物，被至少一个氟原子取代的向列型液晶化合物和至少一种二色染料; 以及包含在聚合物侧链具有液晶基团的硅氧烷聚合物，低分子量液晶化合物和二色性染料的液晶组合物，其中液晶组合物的介电常数各向异性从当要施加的电压的频率增加时为正。

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