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    • 1. 发明授权
    • Optically anisotropic film
    • 光学各向异性薄膜
    • US5736066A
    • 1998-04-07
    • US555807
    • 1995-11-09
    • Takanobu NoguchiToshihiro OhnishiMichitaka MorikawaMasato Kuwabara
    • Takanobu NoguchiToshihiro OhnishiMichitaka MorikawaMasato Kuwabara
    • G02B5/30G02F1/13363C09K19/52C09K19/00
    • G02F1/13363G02B5/3016G02F2001/133633G02F2001/133637G02F2203/21
    • The present invention provides an optically anisotropic film characterized in that the retardation at 80.degree. C. is 20-97% of that at 30.degree. C., and the film is made from a mixture of a transparent or semitransparent polymer and at least one liquid crystal compound, wherein the ratio of the liquid crystal compound in the mixture is 0.5-50% by weight based on the combined weight of the liquid crystal compound and the polymer, or an optically anisotropic film characterized in that the retardation at 60.degree. C. is 50-99% of that at 30.degree. C., and the film comprises a mixture of a transparent or semitransparent polymer and at least one liquid crystal compound, wherein the ratio of the liquid crystal compound in the mixture is 0.5-50% by weight based on the combined weight of the liquid crystal compound and the polymer. These optically anisotropic films have a temperature dependence of retardation corresponding to that of the liquid crystal display cell used in combination with the film, show a temperature compensating effect, and are also excellent in viewing angle characteristics and display performance, so that they can be used for the production of composite optically anisotropic films or liquid crystal display devices.
    • 本发明提供一种光学各向异性膜,其特征在于在80℃下的延迟是在30℃下的延迟的20-97%,并且该膜由透明或半透明聚合物和至少一种液体 晶体化合物,其中液晶化合物在液晶化合物和聚合物的组合重量中的比例为0.5-50重量%,或者是在60℃下的延迟的光学各向异性膜。 在30℃下为50-99%,膜包含透明或半透明聚合物和至少一种液晶化合物的混合物,其中混合物中液晶化合物的比例为0.5-50% 基于液晶化合物和聚合物的组合重量。 这些光学各向异性膜具有与膜结合使用的液晶显示元件的延迟的温度依赖性,显示出温度补偿效果,并且也具有优异的视角特性和显示性能,因此可以使用它们 用于生产复合光学各向异性膜或液晶显示装置。
    • 6. 发明授权
    • Polymer light emitting device
    • 聚合物发光装置
    • US06403236B1
    • 2002-06-11
    • US09145338
    • 1998-09-01
    • Toshihiro OhnishiTakanobu NoguchiShuji Doi
    • Toshihiro OhnishiTakanobu NoguchiShuji Doi
    • H05B3300
    • H01L51/5012H01L51/0035H01L51/0038Y10S428/917Y10T428/24942
    • A polymer light emitting device at least having a light emitting layer containing a polymeric fluorescent substance and a charge transporting layer, wherein said polymeric fluorescent substance contains one or more kind of repeating units represented by the following formula (1), —Ar1—CR1═CR2—  (1) and said charge transporting layer contains an organic compound satisfying the following conditions 1 and 2 in an amount of from 1 to 70% by weight EOX2−0.15≦EOX1≦EOX2+0.10  (condition 1) &lgr;edge2−30≦&lgr;edge1≦&lgr;edge2+20  (condition 2) (wherein EOX1 and &lgr;edge1 respectively represent an electrochemically determined oxidation potential and an absorption edge wavelength of an absorption spectrum of said organic compound; EOX2 and &lgr;edge2 respectively represent an electrochemically determined oxidation potential and an absorption edge wavelength of an absorption spectrum of said polymeric fluorescent substance used in said light emitting layer; and the unit in the condition 1 is V and the unit in the condition 2 is nm). The polymer light emitting device has a long and excellent stability on driving.
    • 至少具有含有聚合物荧光物质和电荷输送层的发光层的聚合物发光元件,其中所述聚合物荧光物质含有一种以上由下式(1)表示的重复单元,所述电荷输送层 含有满足以下条件1和2的有机化合物的量为1至70重量%(其中EOX1和lambdedge1分别表示所述有机化合物的吸收光谱的电化学测定的氧化电位和吸收边缘波长; EOX2和 lambdedge2分别表示在所述发光层中使用的所述聚合物荧光物质的电化学测定的氧化电位和吸收光谱的吸收边缘波长;条件1中的单位为V,条件2中的单位为nm)。 聚合物发光装置在驱动时具有长且极好的稳定性。