公开(公告)号：US20210011208A1

公开(公告)日：2021-01-14

申请号：US17034549

申请日：2020-09-28

申请人： FUJIFILM Corporation

发明人： Yukito SAITOH ,  Hiroshi SATO ,  Daisuke KASHIWAGI

IPC分类号： G02B5/24 ,  G02B5/30 ,  G02B5/20

摘要： Provided is an optical element in which the amount of light having a wavelength causing a disturbance noise can be reduced and light can be diffracted with a high diffraction efficiency. The optical element comprising: an optically-anisotropic layer that is formed using a composition including a liquid crystal compound and a dichroic colorant, in which the optically-anisotropic layer has a liquid crystal alignment pattern in which a direction of an optical axis derived from the liquid crystal compound changes while continuously rotating in at least one in-plane direction.

公开(公告)号：US20200075896A1

公开(公告)日：2020-03-05

申请号：US16678821

申请日：2019-11-08

申请人： FUJIFILM Corporation

发明人： Ayako MURAMATSU ,  Daisuke KASHIWAGI ,  Shinichi YOSHINARI ,  Kunihiro ATSUMI ,  Ryoji GOTO

IPC分类号： H01L51/52 ,  H01L27/32

摘要： The present invention provides an organic EL image display device including a light emitting element substrate, and a circularly polarizing plate, in which the light emitting element substrate includes a reflecting layer and an organic electroluminescent layer on the reflecting layer, the reflecting layer, the organic electroluminescent layer, and the circularly polarizing plate are arranged in this order, a polarization separation layer is provided between the organic electroluminescent layer and the circularly polarizing plate, the polarization separation layer includes a polarization separation region that reflects light of one polarization state in light emitted from the organic electroluminescent layer, and transmits light of another polarization state, and a visible light transmission region, the polarization separation region is formed of a layer formed by immobilizing a cholesteric liquid crystalline phase, and a positive C region-containing layer is provided between the organic electroluminescent layer and the circularly polarizing plate. The organic EL image display device according to the present invention has high brightness and little light leakage and blurring at the time of oblique observation.

公开(公告)号：US20200050009A1

公开(公告)日：2020-02-13

申请号：US16654959

申请日：2019-10-16

申请人： FUJIFILM Corporation

发明人： Yukito SAITOH ,  Daisuke KASHIWAGI ,  Hirofumi TOYAMA ,  Naoyoshi YAMADA ,  Takashi YONEMOTO ,  Eiichiro AMINAKA

IPC分类号： G02B27/22 ,  G02B5/30 ,  C09K19/36

摘要： An optical film includes a cholesteric liquid crystal layer formed in a stripe-shaped pattern in which an optically anisotropic region having optical anisotropy and an optically isotropic region having optical isotropy are alternately disposed, a helical axis of a cholesteric liquid crystal in the optically anisotropic region is oriented in one axial direction tin a plane of the optical film, and the helical axis is oriented in a normal direction t of a boundary surface between the optically anisotropic region and the optically isotropic region.

公开(公告)号：US20190377117A1

公开(公告)日：2019-12-12

申请号：US16546872

申请日：2019-08-21

申请人： FUJIFILM Corporation

发明人： Yukito SAITOH ,  Daisuke KASHIWAGI ,  Ayako MURAMATSU ,  Yujiro YANAI ,  Hideki KANEIWA

IPC分类号： G02B5/30

摘要： Provided is a depolarizing film including a depolarizing layer composed of a first region and a second region having differing optical characteristics, wherein in the depolarizing layer, the ratio between the area of the first region and the area of the second region is 0.45:0.55 to 0.55:0.45, the first region is an optically anisotropic region causing 90° optical rotation of light that is incident on one surface of the depolarizing layer before the light is emitted from the other surface, and the second region is an optically isotropic region having optical isotropy.

公开(公告)号：US20220326566A1

公开(公告)日：2022-10-13

申请号：US17847506

申请日：2022-06-23

申请人： FUJIFILM Corporation

发明人： Hiroaki OGAWA ,  Keiji YAMAMOTO ,  Daisuke KASHIWAGI

IPC分类号： G02F1/1335

摘要： Provided are a color filter including a green pixel and a red pixel, in which the green pixel includes Color Index Pigment Green 7 and Color Index Pigment Yellow 150, and the red pixel includes one or more red colorants selected from Color Index Pigment Red 177, Color Index Pigment Red 264, and Color Index Pigment Red 269, and a yellow colorant other than Color Index Pigment Yellow 150; a method for manufacturing a color filter; a solid-state imaging element; and a display device.

公开(公告)号：US20200264475A1

公开(公告)日：2020-08-20

申请号：US16866522

申请日：2020-05-04

申请人： FUJIFILM Corporation

发明人： Shinichi YOSHINARI ,  Ayako MURAMATSU ,  Naoya SHIBATA ,  Kunihiro ATSUMI ,  Daisuke KASHIWAGI

IPC分类号： G02F1/1335 ,  H01L27/32

摘要： An object of the present invention is to provide is an optical laminate film exhibiting excellent reflection tint and an organic EL display device using this optical laminate film and exhibiting excellent reflection tint when turned off. The object is achieved by providing an optical laminate film including a polarizer, a phase difference layer, and a circularly polarized light separating layer in this order, in which an in-plane retardation Re(550) of the phase difference layer is 120 to 160 nm, the polarizer and the phase difference layer are arranged to form an angle of 45°±10°, the circularly polarized light separating layer is a cholesteric liquid crystal layer formed by fixing a cholesteric liquid crystalline phase and having a liquid crystalline molecule as a main component, and Re(550) is 0.5 to 3.0 nm, and an optical laminate film in which a circularly polarized light separating layer has an in-plane phase difference and an angle formed between a slow axis of a phase difference layer and a slow axis of the circularly polarized light separating layer is −30° to 30°.

公开(公告)号：US20190353956A1

公开(公告)日：2019-11-21

申请号：US16529160

申请日：2019-08-01

申请人： FUJIFILM Corporation

发明人： Yujiro YANAI ,  Hideki KANEIWA ,  Nobuyuki AKUTAGAWA ,  Daisuke KASHIWAGI

IPC分类号： G02F1/1335 ,  G02B5/30 ,  G09F9/30 ,  H01L27/32 ,  H05B33/02 ,  G02F1/13363 ,  G02F1/137 ,  H01L51/52

摘要： Provided is an organic EL display device in which blue brightness is improved, and an antireflection function in an oblique direction is enhanced. The problem is solved by ensuring that a polarizer, a phase difference layer, a circularly polarized light separating layer, and a light emitting element are provided from a viewing side, an in-plane retardation Re(550) of the phase difference layer is set to 100 to 160 nm, the circularly polarized light separating layer is a cholesteric liquid crystal layer having a selective reflection center wavelength in a range of 425 to 475 nm, and a sum of retardations Rth(550) in a thickness direction of members arranged between the polarizer and the light emitting element is set to −50 to 50 nm.

公开(公告)号：US20190317352A1

公开(公告)日：2019-10-17

申请号：US16453007

申请日：2019-06-26

申请人： FUJIFILM Corporation

发明人： Yukito SAITOH ,  Daisuke KASHIWAGI

IPC分类号： G02F1/1335

摘要： The optical film is an optical film including a cholesteric liquid crystal layer, in which first regions having a first film thickness and second regions having a second film thickness which is smaller than the first film thickness are alternately arranged with a period P of 0.5 μm to 2.0 μm in at least one direction in a plane, a difference in film thickness between the first film thickness and the second film thickness is in a range of 0.2 μm to 1.0 μm, and a helical pitch of a cholesteric phase in the first region is different from a helical pitch of a cholesteric phase in the second region.

公开(公告)号：US20170227693A1

公开(公告)日：2017-08-10

申请号：US15496646

申请日：2017-04-25

申请人： FUJIFILM Corporation

发明人： Yoji ITO ,  Daisuke KASHIWAGI ,  Michio NAGAI ,  Akira YAMAMOTO ,  Nobuhiko ICHIHARA ,  Hideyuki NAKAMURA

IPC分类号： G02B5/26 ,  G06F3/042

CPC分类号： G02B5/26 ,  G06F3/0321 ,  G06F3/03545 ,  G06F3/0421

摘要： An optical member and an image display device including an optical member having a support, an underlayer, and a wavelength selective reflection portion in this order, in which the wavelength selective reflection portion has wavelength selective reflecting properties, the wavelength selective reflection portion has a cholesteric structure which has a stripe pattern including bright portions and dark portions in a cross-sectional view of the wavelength selective reflection portion when observed with a scanning electron microscope, the underlayer absorbs invisible light, and a wavelength range where the wavelength selective reflection portion has wavelength selective reflecting properties overlaps a wavelength range of invisible light absorbed by the underlayer. In the optical member, a Signal/Noise ratio is high which is a ratio of a reflectance of the wavelength selective reflection portion to a reflectance of the underlayer in a wavelength range where the wavelength selective reflection portion has wavelength selective reflecting properties.

公开(公告)号：US20160327865A1

公开(公告)日：2016-11-10

申请号：US15212936

申请日：2016-07-18

申请人： FUJIFILM Corporation

发明人： Daisuke KASHIWAGI ,  Takeshi ANDOU ,  Satoru YAMADA ,  Yasumasa KAWABE ,  Hisamitsu TOMEBA

IPC分类号： G03F7/039 ,  G03F7/16 ,  G03F7/20 ,  H01L51/52 ,  G02B5/20 ,  G02B5/22 ,  G02F1/1335 ,  G03F7/00 ,  G03F7/32

CPC分类号： G03F7/0397 ,  C08F212/14 ,  C08F220/10 ,  C09B55/002 ,  G02B5/20 ,  G02B5/206 ,  G02B5/208 ,  G02B5/223 ,  G02F1/133516 ,  G03F7/0007 ,  G03F7/0045 ,  G03F7/038 ,  G03F7/0388 ,  G03F7/0392 ,  G03F7/168 ,  G03F7/20 ,  G03F7/32 ,  G03F7/40 ,  H01L27/14621 ,  H01L27/14623 ,  H01L27/322 ,  H01L51/5253 ,  H01L51/5284

摘要： Provided is a photosensitive resin composition from which a cured product having thin film thickness, excellent light-shielding properties, and high surface hardness is obtained. A a cured film and a method for producing the same, a method for producing a resin pattern, and an LCD device, an organic EL display device, an infrared cut filter, or a solid-state imaging device are also provided. The photosensitive resin composition includes a polymer component including at least one of categories (1) or (2), a photoacid generator, a solvent, and titanium black, wherein (1) includes (a1) a constitutional unit containing a group in which an acid group is protected by an acid-decomposable group, and (a2) a constitutional unit containing a crosslinkable group, and (2) includes (a1) a constitutional unit containing a group in which an acid group is protected by an acid-decomposable group, and (a2) a constitutional unit containing a crosslinkable group.

摘要翻译： 提供了一种感光性树脂组合物，其具有薄膜厚度，优异的遮光性和高表面硬度的固化产物。 还提供了固化膜及其制造方法，树脂图案的制造方法，以及LCD装置，有机EL显示装置，红外截止滤光器或固态成像装置。 感光性树脂组合物包括含有（1）或（2）类中的至少一种的光聚合物成分，光致酸产生剂，溶剂和钛黑，其中（1）包括（a1）包含其中 酸基被酸分解基团保护，（a2）含有交联基团的结构单元，（2）包括（a1）含有酸基被酸分解基团保护的基团的结构单元 ，（a2）含有交联性基团的结构单元。