摘要:
A laminated quarter-wave plate having: a laminate of a quarter-wave plate and a half-wave plate, wherein: the quarter-wave plate and the half-wave plate are laminated on each other so that directions of in-plane slow axes intersect each other; and each of the quarter-wave plate and the half-wave plate satisfies a relation Nz=(nx−nz)/(nx−ny)>1.05 in which nx and ny are in-plane main refractive indices, and nz is a thickness wise refractive index; and a circularly polarizing plate having: a laminate of a laminated quarter-wave plate defined above and a polarizer.
摘要:
An optically compensatory film in which a birefringent phase retarder layer is adhesively supported by a transparent film base is provided. The transparent film base has a specific gravity of not larger than 1.15 or a water absorption coefficient of not higher than 1.0% (at 23° C. and for 24 hours), and has an photoelastic coefficient of not larger than 30×10−12 m2/N. An optically compensatory polarizing plate is constituted of a laminate of the optically compensatory film and a polarizing plate, the optically compensatory film including a phase retarder layer composed of a liquid-crystal polymer. A liquid-crystal display device in which the optically compensatory film or a combination of the optically compensatory film and a polarizing plate are disposed on at least one side of a liquid-crystal cell is provided.
摘要翻译:提供了一种光学补偿膜,其中双折射相延迟层由透明膜基底粘合地支撑。 透明膜基材的比重不大于1.15或吸水系数不高于1.0%(在23℃和24小时),光弹性系数不大于30×10-12 m2 / N. 光学补偿性偏振片由光学补偿膜和偏振片的层压体构成,光学补偿膜包括由液晶聚合物构成的相位延迟层。 提供了一种液晶显示装置,其中光学补偿膜或光学补偿膜和偏振片的组合设置在液晶盒的至少一侧。
摘要:
A composite retarder plate is constituted by a combination of at least one retarder film and at least one liquid-crystal phase sheet. The liquid-crystal phase sheet includes a transparent substrate, and a liquid-crystal polymer layer provided on the transparent substrate. At least one of refractive indices nx, ny and nz of the retarder film is different from the other refractive indices when nx and ny are main refractive indices (nx≧ny) in in-plane directions and nz is a refractive index in a direction of the thickness of the composite retarder plate, respectively. All the refractive indices nx, ny and nz of the transparent substrate are different from one another. The retarder film, the transparent substrate and the liquid-crystal polymer layer are different in wavelength dependence of birefringence. The retarder film and the transparent substrate are different in Nz defined by the expression (nx−nz)/(nx−ny). Each of the retarder film and the transparent substrate is constituted by a film having non-liquid-crystal high molecules oriented. An optically compensatory polarizing plate, and a liquid-crystal display device is provided by disposing the aforementioned composite retarder plate on an absorption type polarizing plate.
摘要:
A wavelength plate which shows little undesirable retardation in a specific wavelength range while substantially maintaining the function of 1/2 wavelength plate or 1/4 wavelength plate over the entire visible light range and a circular polarizing plate which shows little reflection at the interface and exhibits an anti-reflection effect over a wide wavelength range and an excellent thermal stability. A laminated wavelength plate comprising a plurality of oriented films giving a retardation having a wavelength half that of monochromatic light laminated with their optical axes crossing each other, wherein the dependence of the birefringence differences .DELTA.n.sub.1 and .DELTA.n.sub.2 of said oriented films on wavelength each satisfy the relationship .DELTA.n.sub.1 /.DELTA.n.sub.2
摘要:
A laminated quarter-wave plate having: a laminate of a quarter-wave plate and a half-wave plate, wherein: the quarter-wave plate and the half-wave plate are laminated on each other so that directions of in-plane slow axes intersect each other; and each of the quarter-wave plate and the half-wave plate satisfies a relation Nz=(nx−nz)/(nx−ny)>1.05 in which nx and ny are in-plane main refractive indices, and nz is a thicknesswise refractive index; and a circularly polarizing plate having: a laminate of a laminated quarter-wave plate defined above and a polarizer.
摘要:
A liquid crystal cell substrate having a polarizing function is disclosed which can be extremely thin and lightweight and is excellent in heat resistance, impact resistance and quality stability. The liquid crystal cell substrate comprises a resin substrate and, closely adhered thereon, at least a gas barrier layer, a crosslinked resin layer and a polarizing layer, wherein the polarizing layer comprises a coating layer. This cell substrate, having a polarizing function and high durability, can be efficiently produced because an exceedingly thin polarizing layer having excellent heat resistance can be deposited on a resin substrate by coating and because a gas barrier layer and a crosslinked resin layer also can be easily formed. It is excellent in moisture resistance, gas resistance and impact resistance, can be extremely thin and lightweight, and has excellent heat resistance. With this liquid crystal cell substrate, a liquid crystal cell excellent in the long-term stability of display quality can be fabricated.
摘要:
There is provided a transparent substrate which is excellent in dimensional stability, which significantly prevents the progress of a crack in an inorganic glass and the rupture of the inorganic glass, and which is excellent in flexibility. A transparent substrate according to an embodiment of the present invention includes: an inorganic glass having a thickness of 10 μm to 100 μm; and a resin layer on one side, or each of both sides, of the inorganic glass, wherein: a ratio of a total thickness of the resin layer to a thickness of the inorganic glass is 0.9 to 4; the resin layer has a modulus of elasticity at 25° C. of 1.5 GPa to 10 GPa; and the resin layer has a fracture toughness value at 25° C. of 1.5 MPa·m1/2 to 10 MPa·m1/2.
摘要:
An optical compensating film using a norbornene-based resin film in which the durability at an interface surface of the adhesive of a LCD is improved, a polarizing plate, and a liquid crystal display using the same is provided. The optical compensating film of the present invention is formed by coating an adhesive on a stretched norbornene-based resin film. In the optical compensating film, the adhesive force between the optical compensating film and the adhesive layer is 10 N/20 mm or more.
摘要:
A fluorine-containing benzophenone derivative of the formula: ##STR1## wherein R.sup.1 is a group of the formula: --OM (in which M is hydrogen or alkali metal), lower alkoxy, lower acyloxy, a group of the formula: ##STR2## (in which R.sup.3 and R.sup.4 are same or different and hydrogen or lower alkyl) or a group of the formula: --OCH.sub.2 COOR.sup.5 (in which R.sup.5 is hydrogen, lower alkyl or alkali metal); R.sup.2 is halogen, nitro, chlorosulfonyl, sulfo, trifluoromethyl or a group of the formula: --SCF.sub.2 H; and m and n are each an integer of 1 to 4 provided that the sum of m and n is not more than 5 having selective herbicidal activities on grasses and crops.
摘要翻译:下式的含氟二苯甲酮衍生物:其中R 1是下式基团-OM(其中M是氢或碱金属),低级烷氧基,低级酰氧基,下式的基团: (其中R3和R4相同或不同,氢或低级烷基)或式-OCH2COOR5(其中R5是氢,低级烷基或碱金属)的基团; R 2为卤素,硝基,氯磺酰基,磺基,三氟甲基或下式基团:-SCF 2 H; m和n各自为1〜4的整数,条件是m和n之和不大于5,对草和作物具有选择性除草活性。