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    • 1. 发明专利
    • Cellulose acylate film, retardation plate, polarizing plate and liquid crystal display device
    • 纤维素丙烯酸酯薄膜,延展板,偏光板和液晶显示装置
    • JP2011207964A
    • 2011-10-20
    • JP2010075570
    • 2010-03-29
    • Fujifilm Corp富士フイルム株式会社
    • HAGIO HIROYUKIYOSHIDA AIKOFUKAGAWA NOBUTAKA
    • C08J5/18C08K5/00C08L1/12C08L3/04G02F1/13363
    • C09K19/36C08J5/18C08J2301/12G02B5/3033G02B5/3083Y10T428/1041
    • PROBLEM TO BE SOLVED: To provide a cellulose acylate film, in which in-plane retardation Re is developed and the Re exhibits reverse wavelength dispersion characteristics.SOLUTION: The cellulose acylate film comprises at least one cellulose acylate, at least one sterol derivative represented by formula (1), and at least one saccharide derivative and/or at least one oligomer plasticizer. In the formula, R, Rand Reach represent a hydrogen atom, a hydroxyl group or a substituent represented by -L-R, provided that at least one of them represents the substituent represented by -L-R; L represents a single bond or a divalent connecting group selected from a group consisting of -O-, -CO-, -CONR-, -CH- and a combination thereof; Rrepresents a substituted or unsubstituted aromatic ring group, heterocyclic group or alkyl group; Rrepresents a carboxyl group or -CHR-CH(CH); and Rrepresents a hydrogen atom or a methyl group.
    • 要解决的问题:提供一种纤维素酰化物膜,其中面内延迟Re显现出来,并且Re表现出反向波长分散特性。解决方案:酰化纤维素膜包含至少一种纤维素酰化物,至少一种由 式(1)和至少一种糖衍生物和/或至少一种低聚物增塑剂。 在式中,R,Rand Reach表示氢原子,羟基或-L-R表示的取代基,条件是它们中至少有一个表示由-L-R表示的取代基; L表示单键或选自-O - , - CO - , - CONR - , - CH-及其组合的二价连接基团; R表示取代或未取代的芳族环基,杂环基或烷基; R表示羧基或-CHR-CH(CH); 并且R表示氢原子或甲基。
    • 2. 发明专利
    • Cellulose composition, optical film, retardation plate, polarizing plate, and liquid crystal display
    • 纤维素组合物,光学膜,延展板,极化板和液晶显示
    • JP2010254949A
    • 2010-11-11
    • JP2009228643
    • 2009-09-30
    • Fujifilm Corp富士フイルム株式会社
    • YOSHIDA AIKOTANAKA SATOSHIKUMON YOSHIAKI
    • C08L1/00C08J5/18C08K5/10C08K5/45G02B5/30G02F1/13363
    • C08L1/10C08K5/0008C08K5/45G02F1/13363
    • PROBLEM TO BE SOLVED: To provide an optical film manufacturable efficiently and inexpensively, and giving high display quality without inducing coloring in black display when the display is observed in an oblique direction. SOLUTION: This cellulose composition includes: at least one cellulose compound; at least one compound expressed by general formula (I); and at least one low molecular weight compound (A), whose molecular absorption wavelength derived from an electric dipole transition moment My in a direction approximately orthogonal to the molecular long axis direction is longer than the molecular absorption wavelength derived from an electric dipole transition moment Mx in a direction approximately parallel to the molecular long axis direction, and the magnitude ¾My¾ of the electric dipole transition moment My in the direction approximately orthogonal to the molecular long axis direction is larger than the magnitude ¾Mx¾ of the electric dipole transition moment Mx in a direction approximately parallel to the molecular long axis direction. The cellulose film includes this composition. In the formula (I), L 1 , L 2 , L 3 and L 4 each independently represents a single bond -O-, -CO-, or -NR A - (R A is a 1-7C alkyl group or a hydrogen atom). COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种可以有效且廉价地制造的光学膜,并且当在倾斜方向上观察显示器时,不会引起黑色显示中的着色,并且提供高的显示质量。 解决方案:该纤维素组合物包括:至少一种纤维素化合物; 至少一种由通式(I)表示的化合物; 和至少一种低分子量化合物(A),其分子吸收波长来自电偶极子跃迁矩I i在大致正交于分子长轴方向的方向上比从电偶极子跃迁时刻Mx导出的分子吸收波长长 在大致平行于分子长轴方向的方向上,电偶极子跃迁矩I i在大致与分子长轴方向正交的方向上的大小¾M¾大于电偶极子跃迁时刻Mx在方向上的大小¾M¾ 大致平行于分子长轴方向。 纤维素膜包括该组合物。 在式(I)中,L 1 ,L 2 ,L 3 和L 4 各自独立地表示 单键-O - , - CO-或-NR A - (R SP)是1-7C烷基或氢原子)。 版权所有(C)2011,JPO&INPIT
    • 3. 发明专利
    • Liquid crystal composition and anisotropic material
    • 液晶组合物和各向异性材料
    • JP2008050553A
    • 2008-03-06
    • JP2006280719
    • 2006-10-13
    • Fujifilm Corp富士フイルム株式会社
    • YOSHIDA AIKOKAMIHIRA SHIGEOTAKEUCHI HIROSHI
    • C09K19/44C09K19/34C09K19/38G02B5/30G02F1/13363
    • Y02P20/52
    • PROBLEM TO BE SOLVED: To provide a liquid crystal composition causing no deterioration of optical characteristics by suppressing orientation disturbance of liquid crystal materials, and to provide an anisotropic material using the composition. SOLUTION: The liquid crystal composition contains at least one compound represented by general formula (I) and a triazine compound represented by general formula (III), substituted at 2,4,6 position with -L 1 -R 1 -L 2 -R 2 or -NHR (wherein, at least one is -NHR; L 1 and L 2 are a single bond or a bivalent coupler; R 1 and R 2 are hydrogen atom or a substituent; and R is a polymerizable group). General formula (I) is Q1-SP1-X1-MG-X2-SP2-Q2 (wherein, Q1 and Q2 are a polymerizable group; SP1 and SP2 are a spacer group; X1 and X2 are a coupler and MG is mesogenic group). COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供通过抑制液晶材料的取向紊乱而不会使光学特性劣化的液晶组合物,并使用该组合物提供各向异性材料。 解决方案:液晶组合物含有至少一种由通式(I)表示的化合物和通式(III)表示的三嗪化合物,其在2,4,6位被-L 1取代, SB> -R 1 -R SB 2或-NHR(其中,至少一个是-NHR; L 1 和L 2 是单键或二价成色剂; R SB 1和R SB 2是氢原子或取代基;以及 R是可聚合基团)。 通式(I)为Q1-SP1-X1-MG-X2-SP2-Q2(其中Q1和Q2为可聚合基团; SP1和SP2为间隔基团; X1和X2为偶合剂,MG为介晶基团) 。 版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • Outdoor display device
    • 室外显示设备
    • JP2014115524A
    • 2014-06-26
    • JP2012270502
    • 2012-12-11
    • Fujifilm Corp富士フイルム株式会社
    • YAMADA NAOYOSHINAITO YUFUKAGAWA NOBUTAKAYOSHIDA AIKOWATANABE YUKIE
    • G02B5/30G02B5/22G02F1/1335H01L51/50H05B33/02
    • G02B5/208G02B5/223G02F1/133528G02F2001/133562G02F2201/086
    • PROBLEM TO BE SOLVED: To provide an outdoor display device that has high display quality and effectively suppresses the degradation of a polarizer due to ultraviolet radiation even when the display device is exposed to sunlight outdoor for a long time.SOLUTION: The outdoor display device includes a display unit. The display unit includes a polarizing plate having a light absorption layer and polarizer layer on its visible side surface. The light absorption layer includes: a first light absorbent having at least one absorption peak in a wavelength range of 280 nm or more and less than 360 nm; and a second light absorbent having at least one absorption peak in a wavelength range of 360 nm or more and 400 nm or less. The light absorption layer is disposed closer to the visible side than the polarizer layer.
    • 要解决的问题:提供具有高显示质量的室外显示装置,并且即使当显示装置长时间暴露在户外的阳光下也能有效地抑制由于紫外线辐射引起的偏振器的劣化。解决方案:室外显示装置包括 显示单元。 显示单元包括在其可见侧表面上具有光吸收层和偏振层的偏振片。 光吸收层包括:在280nm以上且小于360nm的波长范围内具有至少一个吸收峰的第一吸光体; 以及在360nm以上且400nm以下的波长范围内具有至少一个吸收峰的第二吸光体。 光吸收层设置成比偏振层更靠近可见侧。