公开(公告)号：US10423033B2

公开(公告)日：2019-09-24

申请号：US15027141

申请日：2014-09-30

申请人： DIC CORPORATION

发明人： Fumiaki Kodera ,  Kunihiko Kotani ,  Kazunori Maruyama ,  Yutaka Kadomoto ,  Masanao Takashima ,  Hiroshi Hasebe ,  Yoshitaka Saito

IPC分类号： G02F1/1337 ,  G02F1/1341

摘要： [Problem] The purpose of the present invention is to provide a method for developing a large anchoring energy by simple processes. [Solution] There is provided a method for manufacturing a liquid crystal alignment film, comprising: a process (I) of mixing a solvent with a photoresponsive polymer to prepare a photoresponsive polymer solution; a process (II) of coating the photoresponsive polymer solution on a substrate, followed by drying at 50 to 100° C. for 1 to 3 minutes and then drying at 120° C. to 180° C. for 5 to 75 minutes to form a coating film; and a process (III) of adjusting a temperature of the coating film while the coating film is irradiated with a light of 200 to 350 nm to 40° C. to 100° C.

公开(公告)号：US20160306236A1

公开(公告)日：2016-10-20

申请号：US15033535

申请日：2014-10-29

申请人： DIC CORPORATION

发明人： Yoshinori Iwashita ,  Shinji Ogawa ,  Hiroshi Hasebe ,  Masanao Takashima

IPC分类号： G02F1/1343 ,  G02F1/1337 ,  G02F1/1362 ,  C09K19/30 ,  G02F1/1368

CPC分类号： G02F1/134309 ,  C09K19/3003 ,  C09K19/44 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3027 ,  G02F1/133711 ,  G02F1/133788 ,  G02F1/13439 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/133738 ,  G02F2001/134372 ,  G02F2001/13712 ,  G02F2201/121 ,  G02F2201/123

摘要： An object of the present invention is to provide a liquid-crystal display element using a liquid-crystal composition having negative dielectric anisotropy, capable of realising excellent display characteristics by being used in an FFS mode liquid-crystal display element, without deteriorating various characteristics as a liquid-crystal display element such as dielectric anisotropy, viscosity, a nematic phase upper limit temperature, nematic phase stability at low temperatures, and γ1, and burn-in characteristics of a display element. A liquid-crystal display element containing at least one compound selected from the group consisting of compounds by the following General Formula (I) is provided: wherein each of R1 and R2 independently represents an alkyl group having 1 to 8 carbon atoms, an alkenyl group having 2 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, or an alkenyloxy group having 2 to 8 carbon atoms, A represents a 1,4-phenylene group or a trans-1,4-cyclohexylene group, k represents 1 or 2, and in a case where k is 2, two A's may be the same as or different from each other.

摘要翻译： 其中R 1和R 2各自独立地表示具有1至8个碳原子的烷基，具有2至8个碳原子的烯基，具有1至8个碳原子的烷氧基或具有2至8个碳原子的烯氧基，A 表示1,4-亚苯基或反式-1,4-亚环己基，k表示1或2，在k为2的情况下，两个A可以相同或不同。

公开(公告)号：US10108052B2

公开(公告)日：2018-10-23

申请号：US15033535

申请日：2014-10-29

申请人： DIC Corporation

发明人： Yoshinori Iwashita ,  Shinji Ogawa ,  Hiroshi Hasebe ,  Masanao Takashima

IPC分类号： C09K19/30 ,  G02F1/1343 ,  C09K19/44 ,  G02F1/1337 ,  G02F1/1362 ,  G02F1/1368 ,  C09K19/12 ,  G02F1/137

摘要： An object of the present invention is to provide a liquid-crystal display element using a liquid-crystal composition having negative dielectric anisotropy, capable of realising excellent display characteristics by being used in an FFS mode liquid-crystal display element, without deteriorating various characteristics as a liquid-crystal display element such as dielectric anisotropy, viscosity, a nematic phase upper limit temperature, nematic phase stability at low temperatures, and γ1, and burn-in characteristics of a display element. A liquid-crystal display element containing at least one compound selected from the group consisting of compounds by the following General Formula (I) is provided: wherein each of R1 and R2 independently represents an alkyl group having 1 to 8 carbon atoms, an alkenyl group having 2 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, or an alkenyloxy group having 2 to 8 carbon atoms, A represents a 1,4-phenylene group or a trans-1,4-cyclohexylene group, k represents 1 or 2, and in a case where k is 2, two A's may be the same as or different from each other.

公开(公告)号：US20180037680A1

公开(公告)日：2018-02-08

申请号：US15517871

申请日：2015-09-29

申请人： DIC Corporation

发明人： Yoshitaka Saito ,  Kazuki Obi ,  Hiroyuki Itou ,  Kouji Sato ,  Hiroshi Hasebe ,  Masanao Takashima ,  Fumiaki Kodera

IPC分类号： C08F20/40 ,  C08J5/18 ,  G02F1/1337 ,  B32B27/30

CPC分类号： C08F20/40 ,  B32B7/02 ,  B32B27/30 ,  B32B27/308 ,  B32B2457/206 ,  C08F220/30 ,  C08F222/10 ,  C08F2220/303 ,  C08F2222/102 ,  C08J5/18 ,  C08J2333/14 ,  G02B5/30 ,  G02F1/133711 ,  G02F1/133788 ,  Y10T428/10 ,  Y10T428/1005

摘要： The invention provides an acrylic resin-based transparent substrate having an alignment layer spread thereon, wherein the photo-alignment layer and the substrate are kept tightly bonded to each other. The invention also provides a layered body having an acrylic resin-containing transparent substrate and, as formed on one surface of the transparent substrate by spreading and bonding thereto, a photo-alignment layer containing photo-responsive molecules capable of responding to light. According to the invention, there can be provided an acrylic resin-based transparent substrate having on the surface thereof, a photo-alignment layer having excellent adhesion force and containing photo-responsive molecules capable of responding to light.

公开(公告)号：US20170205669A1

公开(公告)日：2017-07-20

申请号：US15313859

申请日：2015-05-21

申请人： DIC Corporation

发明人： Yoshiyuki Ono ,  Kunihiko Kotani ,  Kazunori Maruyama ,  Hiroshi Hasebe ,  Masanao Takashima ,  Shirou Taniguchi ,  Fumiaki Kodera

IPC分类号： G02F1/1337 ,  G02F1/1333 ,  G02F1/1368 ,  G02F1/1335

CPC分类号： G02F1/133788 ,  G02B5/3083 ,  G02F1/133345 ,  G02F1/133514 ,  G02F1/133528 ,  G02F1/13363 ,  G02F1/1337 ,  G02F1/134363 ,  G02F1/1368 ,  G02F2001/133738 ,  G02F2001/134318 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2201/124 ,  G02F2202/023

摘要： The present inventors have made earnest investigations for enhancing the alignment regulation force of the alignment film, and as a result, it has been found that the alignment regulation force can be easily achieved by controlling the yellowness index (YI) of the alignment film to a certain value or more, and thus has been found that the problems can be solved by the following invention. An image display device containing an image display part containing a liquid crystal layer containing a liquid crystal compound regulating a phase or a velocity of transmitted light, and in contact with the liquid crystal layer, a photo alignment layer regulating alignment of liquid crystal molecules contained in the liquid crystal compound, the alignment layer having a yellowness index (YI) of 0.001

公开(公告)号：US10437107B2

公开(公告)日：2019-10-08

申请号：US15033529

申请日：2014-10-29

申请人： DIC Corporation

发明人： Yoshinori Iwashita ,  Shinji Ogawa ,  Hiroshi Hasebe ,  Masanao Takashima

IPC分类号： G02F1/1333 ,  G02F1/1337 ,  C09K19/30 ,  C09K19/44 ,  G02F1/1343 ,  C09K19/56 ,  G02F1/1341 ,  G02F1/1362 ,  G02F1/1368 ,  G02F1/137 ,  C09K19/06 ,  C09K19/38 ,  C09K19/60 ,  C09K19/12 ,  G02F1/1335 ,  G02F1/1339 ,  C09K19/04

摘要： An object of the present invention is to provide a liquid-crystal display element using a liquid-crystal composition having negative dielectric anisotropy, capable of realizing excellent display characteristics by being used in a liquid-crystal display element provided with a photo-alignment film, without deteriorating various characteristics as a liquid-crystal display element such as dielectric anisotropy, viscosity, a nematic phase upper limit temperature, nematic phase stability at low temperatures, and γ1, and burn-in characteristics of a display element. A liquid-crystal display element using a liquid-crystal composition containing at least one compound selected from the group consisting of compounds represented by the following General Formula (I) is provided.

公开(公告)号：US20180230385A1

公开(公告)日：2018-08-16

申请号：US15954045

申请日：2018-04-16

申请人： DIC Corporation

发明人： Fumiaki Kodera ,  Yoshitaka Saito ,  Hiroshi Hasebe ,  Masanao Takashima ,  Shuuhei Yamamoto ,  Kouzi Satou ,  Sayaka Nose ,  Kazuki Obi ,  Hiroyuki Itou

IPC分类号： C09K19/56 ,  C07C245/08 ,  C08F220/30 ,  C08F222/20 ,  G02F1/1337

摘要： A compound and a polymer which can each form a photo-alignment film having excellent ability of controlling alignment, a photo-alignment film obtained using the polymer and an optically anisotropic body and a liquid crystal display element each having the photo-alignment film are provided. A compound represented by the general formula (1). In the formula, P represents a polymerizable group, Z and Z1 represent divalent linking groups, A and A1 represent divalent cyclic groups, and X1 to X5 each independently represent a hydrogen atom, a fluorine atom, a chlorine atom, a hydroxy group, a nitro group, a cyano group or an alkyl group having 1 to 40 carbon atoms which may have a substituent, provided that X1, X2, X4 and X5 are not simultaneously hydrogen atoms.

公开(公告)号：US20170088777A1

公开(公告)日：2017-03-30

申请号：US15316022

申请日：2015-05-26

申请人： DIC CORPORATION

发明人： Hiroshi Hasebe ,  Fumiaki Kodera ,  Masanao Takashima ,  Isa Nishiyama ,  Hiroyuki Itou ,  Yutaka Kadomoto ,  Kazuki Obi ,  Yoshitaka Saitou ,  Yuuichirou Tani ,  Keisuke Fujisawa

IPC分类号： C09K19/56 ,  G02F1/1337 ,  C08F20/36

CPC分类号： C09K19/56 ,  C08F20/30 ,  C08F20/36 ,  C08F20/58 ,  C08F20/60 ,  C08F22/40 ,  C09K19/601 ,  C09K2019/0448 ,  G02F1/1337 ,  G02F1/133711 ,  G02F1/133788

摘要： An object of the present invention is to provide a photoalignment layer with a more reliable absorption anisotropy parameter as a photoalignment layer that allows for reduced AC image-sticking. Specifically, provided is a photoalignment layer, obtained by exposure to polarized UV radiation, that has a maximum ΔA (=A1−A2, where A1 is the absorbance in a direction parallel to a vibration direction of the polarized UV radiation, and A2 is the absorbance in a direction parallel to the vibration direction of the polarized UV radiation) of 0.35 or more per micrometer of layer thickness in a range of 230 to 380 nm.

公开(公告)号：US20160231626A1

公开(公告)日：2016-08-11

申请号：US15027141

申请日：2014-09-30

申请人： DIC CORPORATION

发明人： Fumiaki Kodera ,  Kunihiko Kotani ,  Kazunori Maruyama ,  Yutaka Kadomoto ,  Masanao Takashima ,  Hiroshi Hasebe ,  Yoshitaka Saito

IPC分类号： G02F1/1337 ,  G02F1/1341

摘要： [Problem] The purpose of the present invention is to provide a method for developing a large anchoring energy by simple processes. [Solution] There is provided a method for manufacturing a liquid crystal alignment film, comprising: a process (I) of mixing a solvent with a photoresponsive polymer to prepare a photoresponsive polymer solution; a process (II) of coating the photoresponsive polymer solution on a substrate, followed by drying at 50 to 100° C. for 1 to 3 minutes and then drying at 120° C. to 180° C. for 5 to 75 minutes to form a coating film; and a process (III) of adjusting a temperature of the coating film while the coating film is irradiated with a light of 200 to 350 nm to 40° C. to 100° C.

摘要翻译： 发明内容本发明的目的是提供一种通过简单的工艺开发大的锚定能量的方法。 [解决方案]提供了一种制造液晶取向膜的方法，包括：将溶剂与光响应性聚合物混合以制备光响应聚合物溶液的方法（I）; 将光响应性聚合物溶液涂布在基材上的方法（II），然后在50〜100℃下干燥1〜3分钟，然后在120℃下干燥至180℃5〜75分钟，形成 涂膜; 以及在用200〜350nm〜40℃〜100℃的光照射涂膜的同时调整涂膜的温度的工序（III）

公开(公告)号：US20220057672A1

公开(公告)日：2022-02-24

申请号：US17274906

申请日：2019-07-18

申请人： DIC Corporation

发明人： Masanao Takashima ,  Shinichi Hirata ,  Kazunori Maruyama ,  Toru Fujisawa ,  Kazuaki Hatsusaka ,  Hidetoshi Nakata

IPC分类号： G02F1/1335 ,  C09K19/18 ,  C09K19/20 ,  C09K19/30 ,  C09K19/12

摘要： The present invention relates to a liquid crystal composition for a light-scattering liquid crystal device shown in FIG. 1 containing a polymerizable compound selected from the group consisting of compounds represented by the following general formula (1) as a first component and containing a compound having a negative dielectric anisotropy as a second component, a light-scattering liquid crystal device using the liquid crystal composition, and a smart window using the light-scattering liquid crystal device. A reverse mode type light-scattering liquid crystal device can have excellent transparency when no voltage is applied and a reduced driving voltage by the liquid crystal composition of the present invention.