公开(公告)号：US20240353603A1

公开(公告)日：2024-10-24

申请号：US18755881

申请日：2024-06-27

Applicant: FUJIFILM Corporation

Inventor： Yuki FUKUSHIMA ,  Keisuke KODAMA ,  Shunya KATOH ,  Hideki KANEIWA

IPC: G02B5/30 ,  C08F22/20 ,  C08F22/24 ,  C08K5/1545 ,  C08K5/17 ,  C09K19/04 ,  C09K19/38 ,  C09K19/54

CPC classification number: G02B5/3016 ,  C08F22/20 ,  C08F22/24 ,  C08K5/1545 ,  C08K5/17 ,  C09K19/3852 ,  C09K19/54 ,  C09K2019/0448

Abstract: A first object of the present invention is to provide a liquid crystalline composition capable of forming a film having excellent light resistance and also having excellent alignment properties of a liquid crystal compound in the film. In addition, a second object of the present invention is to provide a cured product obtained from the liquid crystalline composition, an optically anisotropic layer, an optical element, and a light guide element.
The liquid crystalline composition of the present invention is a liquid crystalline composition containing a compound A and an antioxidant, in which the compound A is a compound having a partial structure represented by Formula (I), in a case where the compound A exhibits liquid crystallinity and the composition does not contain a liquid crystal compound B having a structure different from a structure of the compound A, a distance ΔHSP between a HSP value of the antioxidant and a HSP value of the compound A is 10.5 MPa0.5 or less, and in a case where the composition contains the liquid crystal compound B, a distance ΔHSP between the HSP value of the antioxidant, and an average HSP value of the HSP value of the compound A and a HSP value of the liquid crystal compound B is 10.5 MPa0.5 or less.




In Formula (I), A1 and A2 each independently represent an aromatic hydrocarbon ring group or an aromatic heterocyclic group, which may have a substituent. * represents a bonding position.

公开(公告)号：US20230042009A1

公开(公告)日：2023-02-09

申请号：US17847658

申请日：2022-06-23

Applicant: FUJIFILM Corporation

Inventor： Yuki FUKUSHIMA ,  Megumi OKUBO ,  Keisuke KODAMA ,  Shunya KATOH

IPC: C09K19/28 ,  C07C323/19 ,  G02B5/30 ,  G02B6/27

Abstract: A compound represented by the General Formula (I) as defined herein, in which, in the General Formula (I), P1 and P2 each independently represent a hydrogen atom, —CN, —NCS, or a polymerizable group, Sp1 and Sp2 each independently represent a single bond or a divalent linking group as defined herein, Z1, Z2 and Z3 each independently represent a particular linking group as defined herein, X1 and X2 each independently represent a single bond or —S as defined herein, k represents an integer of 2 to 4, m and n each independently represent an integer of 0 to 3 as defined herein, A1, A2, A3, and A4 each independently represent a particular group as defined herein is provided.

公开(公告)号：US20220397788A1

公开(公告)日：2022-12-15

申请号：US17828540

申请日：2022-05-31

Applicant: FUJIFILM Corporation

Inventor： Keisuke KODAMA ,  Yujiro YANAI ,  Takeharu TANI ,  Shunya KATOH

IPC: G02F1/137 ,  G02F1/13363 ,  G01J1/04

Abstract: Provided are a bandpass filter having a high light transmittance in a transmission band and a wide wavelength range showing a high transmittance in the transmission band, and a sensor. The bandpass filter is a bandpass filter including a reflective member A and a reflective member B, in which a difference between a reflection center wavelength of the reflective member A and a reflection center wavelength of the reflective member B is larger than a sum of a half width at half maximum of a reflection band of the reflective member A and a half width at half maximum of a reflection band of the reflective member B; the reflective member A has a first cholesteric liquid crystal layer and a second cholesteric liquid crystal layer, and birefringence Δn1 of the first cholesteric liquid crystal layer is larger than birefringence Δn2 of the second cholesteric liquid crystal layer; and the reflective member B has a third cholesteric liquid crystal layer and a fourth cholesteric liquid crystal layer, and birefringence Δn3 of the third cholesteric liquid crystal layer is larger than birefringence Δn4 of the fourth cholesteric liquid crystal layer.

公开(公告)号：US20220204855A1

公开(公告)日：2022-06-30

申请号：US17670906

申请日：2022-02-14

Applicant: FUJIFILM Corporation

Inventor： Keisuke KODAMA ,  Yuki FUKUSHIMA ,  Shunya KATOH ,  Yuta TAKAHASHI ,  Shinpei YOSHIDA ,  Satoshi YANOKUCHI ,  Akira MARUYAMA ,  Hiroyuki HAGIO

IPC: C09K19/58 ,  C09K19/20 ,  G02B5/30 ,  H01L51/52

Abstract: Provided is a liquid crystal composition capable of forming an optically anisotropic layer, and method thereof, in which a variation in a twisted angle of liquid crystal compound in an in-plane direction is suppressed an optical film, and a circularly polarizing plate for an organic EL display. The liquid crystal composition contains a liquid crystal, optically active compound A which is a photosensitive optically active compound whose helical twisting power changes upon irradiation with light and has a molar absorption coefficient of 5,000 M−1·cm−1 or more with respect to light having a wavelength of 365 nm, and an optically active compound B having a molar absorption coefficient with respect to light having a wavelength of 365 nm smaller than the molar absorption coefficient of the optically active compound A, in which a mass content ratio of the optically active compound A to the liquid crystal compound is less than 0.01.

公开(公告)号：US20160369073A1

公开(公告)日：2016-12-22

申请号：US15254520

申请日：2016-09-01

Applicant: FUJIFILM Corporation

Inventor： Kazuomi INOUE ,  Keisuke KODAMA ,  Sotaro INOMATA

IPC: C08J5/22 ,  B01D69/12 ,  B01D71/28 ,  B01D69/02 ,  B01D53/22 ,  B01J41/14 ,  H01M2/16 ,  H01M8/0239 ,  H01M8/1023 ,  H01M8/1072 ,  H01M8/22 ,  B01D61/42 ,  B01D67/00

CPC classification number: C08J5/2231 ,  B01D53/228 ,  B01D61/42 ,  B01D67/0006 ,  B01D69/02 ,  B01D69/125 ,  B01D71/28 ,  B01D2323/12 ,  B01D2323/30 ,  B01D2323/34 ,  B01D2325/04 ,  B01D2325/42 ,  B01J41/14 ,  B01J47/12 ,  C08F2/50 ,  C08F12/28 ,  C08F12/34 ,  C08J2325/06 ,  C08J2325/18 ,  H01M2/162 ,  H01M8/0239 ,  H01M8/102 ,  H01M8/1023 ,  H01M8/103 ,  H01M8/1072 ,  H01M8/227 ,  H01M2008/1095 ,  Y02P70/56

Abstract: Provided is a functional polymer membrane having a structure represented by the following Formula (1) and a structure represented by the following Formula (2), in which an ion exchange capacity is 2.0 meq/g to 7.0 meq/g; and a method for producing the same, —S-LL1-LL-LL2-S—   Formula (1) in Formula (1), LL represents a single bond or an alkylene group which may have a substituent, —O—, —S—, —NRZ— or a linking group obtained by combining these, LL1 and LL2 represent —(CR1R2)I— or —(CR1R2)I—C(═O)O— (in which the atom bonded to LL is an oxygen atom), R1 and R2 represent a hydrogen atom or an alkyl group, I represents 1 or 2, RZ represents a hydrogen atom or a substituent, however, in a case where terminal atoms of a substituent in LL and a substituent of RZ are a sulfur atom, LL is the sulfur atom having a bond to be incorporated into the polymer chain, and in Formula (2), L1 represents an alkylene group or an alkenylene group, Ra, Rb, Rc, and Rd each independently represent an alkyl group or an aryl group, Ra and Rb, or/and Rc and Rd may be bonded to each other to form a ring, n1 represents an integer of 1 to 10, and X1− and X2− each independently represent an organic or inorganic anion.

Abstract translation: 提供具有由下式（1）表示的结构和由下式（2）表示的结构的功能性聚合物膜，其中离子交换容量为2.0meq / g至7.0meq / g; 及其制作方法，€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ-S-LL 1 -LL-LL 2 -S-€ƒ€ƒ€ƒ€ƒFormula（1 在式（1）中，LL表示单键或可以具有取代基的亚烷基，-O-，-S-，-NR Z - 或通过组合这些获得的连接基，LL 1和LL 2表示 - （CR 1 R 2）I - 或 - （CR 1 R 2）I -C（= O）O-（其中与LL键合的原子是氧原子），R 1和R 2表示氢原子或 烷基，I表示1或2，RZ表示氢原子或取代基，但是在LL中的取代基的末端原子和RZ的取代基为硫原子的情况下，LL为与硫原子键 在式（2）中，L 1表示亚烷基或亚烯基，Ra，Rb，Rc和Rd各自独立地表示烷基或芳基，Ra和Rb，或/ 并且R c和R d可以彼此键合形成环，n1表示1〜10的整数 d X 1 - 和X 2 - 各自独立地表示有机或无机阴离子。

公开(公告)号：US20140345456A1

公开(公告)日：2014-11-27

申请号：US14457577

申请日：2014-08-12

Applicant: FUJIFILM CORPORATION

Inventor： Satoshi SANO ,  Ichiro NAGATA ,  Keisuke KODAMA

IPC: B01D71/72 ,  B01D67/00 ,  B01D71/64 ,  B01D69/12 ,  B01D53/22

CPC classification number: B01D71/72 ,  B01D53/228 ,  B01D67/0006 ,  B01D67/0079 ,  B01D67/009 ,  B01D69/125 ,  B01D69/148 ,  B01D71/64 ,  B01D71/70 ,  B01D2053/221 ,  B01D2256/245 ,  B01D2257/504 ,  B01D2258/0233 ,  B01D2258/025 ,  B01D2258/0283 ,  B01D2323/30 ,  B01D2323/34 ,  B01D2323/40 ,  C07C7/144 ,  C08G65/40 ,  C08G73/1039 ,  C08G73/1042 ,  C08G73/1067 ,  C08G73/14 ,  Y02C10/10 ,  Y02C20/20 ,  Y02P20/152 ,  C07C9/04

Abstract: A gas separation composite membrane, containing a gas-permeable supporting layer and a gas separating layer containing a crosslinked organic-inorganic hybrid resin over the gas-permeable supporting layer, in which the crosslinked organic-inorganic hybrid resin has a structure in which a polymer incorporating therein an oxanthrene unit, or a polyimide compound has been crosslinked via a specific crosslinking chain.

Abstract translation: 一种气体分离复合膜，其包含透气性支撑层和在透气性支撑层上含有交联的有机 - 无机杂化树脂的气体分离层，其中交联的有机 - 无机杂化树脂具有其中聚合物 其中并入有一个氧
化硫单元或一种聚酰亚胺化合物已经通过特定的交联链交联。

公开(公告)号：US20240142676A1

公开(公告)日：2024-05-02

申请号：US18392996

申请日：2023-12-21

Applicant: FUJIFILM Corporation

Inventor： Yuki FUKUSHIMA ,  Megumi OKUBO ,  Keisuke KODAMA ,  Shunya KATOH ,  Kiyoshi TAKEUCHI

IPC: G02B5/18 ,  C08F20/30 ,  G02B5/30 ,  G02B6/27 ,  G02F1/1333

CPC classification number: G02B5/18 ,  C08F20/30 ,  G02B5/3016 ,  G02B6/2726 ,  G02F1/1333

Abstract: There is provided a compound represented by General Formula (I), a composition containing the compound represented by General Formula (I), a cured product, an optically anisotropic body, an optical element, and a light guide element. P1 and P2 each independently represent a hydrogen atom, —CN, —NCS, or a polymerizable group. However, at least one of P1 or P2 represents a polymerizable group. Sp1 and Sp2 each independently represent a specific group. A1, A2, A3, and A4 each independently represent an aromatic hydrocarbon ring group or aromatic heterocyclic group which may have a specific substituent. Z1 and Z2 each independently represent a specific linking group or a single bond. B1 represents a group represented by a specific formula. n1 and n2 each independently represent an integer of 0 to 2.

公开(公告)号：US20240004116A1

公开(公告)日：2024-01-04

申请号：US18467447

申请日：2023-09-14

Applicant: FUJIFILM Corporation

Inventor： Megumi OKUBO ,  Mitsuyoshi ICHIHASHI ,  Yuki FUKUSHIMA ,  Keisuke KODAMA ,  Shunya KATOH

IPC: G02B5/30 ,  C09K19/38

CPC classification number: G02B5/3016 ,  C09K19/3861 ,  C09K2019/0448

Abstract: Regarding an optical element that includes an optically-anisotropic layer having a liquid crystal alignment pattern where a direction of an optical axis derived from a liquid crystal compound changes while continuously rotating in at least one in-plane direction, an object of the present invention is to provide a liquid crystal composition with which an optical element having an excellent diffraction efficiency can be prepared, and an optical element and a light guide element. The liquid crystal composition according to the present invention includes a rod-like liquid crystal compound and a disk-like liquid crystal compound, and a ratio between a twist elastic constant K22 and a splay elastic constant K11 of the liquid crystal composition satisfies 0.7≤K22/K11.

公开(公告)号：US20230097214A1

公开(公告)日：2023-03-30

申请号：US18056536

申请日：2022-11-17

Applicant: FUJIFILM Corporation

Inventor： Yukito SAITOH ,  Hiroshi SATO ,  Takashi YONEMOTO ,  Jun WATANABE ,  Mitsuyoshi ICHIHASHI ,  Keisuke KODAMA

IPC: G02B5/30

Abstract: A transmissive liquid crystal diffraction element includes a first optically-anisotropic layer and a second optically-anisotropic layer each of which has a liquid crystal alignment pattern in which a direction of an optical axis derived from a liquid crystal compound changes while continuously rotating in at least one in-plane direction, in which a rotation direction of the optical axis in the liquid crystal alignment pattern of the first optically-anisotropic layer and a rotation direction of the optical axis in the liquid crystal alignment pattern of the second optically-anisotropic layer are opposite to each other, and a single period of the liquid crystal alignment pattern in the first optically-anisotropic layer and a single period of the liquid crystal alignment pattern in the second optically-anisotropic layer are the same.

公开(公告)号：US20230004044A1

公开(公告)日：2023-01-05

申请号：US17850392

申请日：2022-06-27

Applicant: FUJIFILM Corporation

Inventor： Yuta FUKUSHIMA ,  Keisuke KODAMA ,  Yoshinori MAEDA ,  Akira MARUYAMA ,  Yuki NAKAMURA ,  Shunya KATOH ,  Yuta TAKAHASHI

IPC: G02F1/1335 ,  G02F1/1337 ,  G02B5/30 ,  C09D125/06 ,  C09D123/08 ,  C09K19/58 ,  C09K19/20 ,  C09K19/32

Abstract: Provided are an optical film, a circularly polarizing plate, and an image display apparatus in each of which the occurrence of cracks is suppressed in the obtained film in a case of being punched. The optical film includes a stretched resin film and a liquid crystal layer formed by fixing a liquid crystal compound twist-aligned along a helical axis extending along a direction in thickness, in which a δa value calculated using a three-dimensional solubility parameter of a resin in the stretched resin film is 8.0 MPa1/2 or less, the liquid crystal layer contains a cured substance of a polyfunctional compound having two or more polymerizable groups in one molecule, and an absolute value of a difference between the δa value calculated using the three-dimensional solubility parameter of the polyfunctional compound and the δa value calculated using the three-dimensional solubility parameter of the resin is 4.0 MPa1/2 or less.