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    • 1. 发明专利
    • Ink for organic el hole injection layer, manufacturing method therefor, manufacturing method for organic el display device, and organic el display device
    • 用于有机EL孔注入层的墨水,其制造方法,有机EL显示装置的制造方法和有机EL显示装置
    • JP2003338380A
    • 2003-11-28
    • JP2002146562
    • 2002-05-21
    • Toshiba Corp株式会社東芝
    • HASEGAWA TSUTOMUMORI YASUSHINAITO KATSUYUKIYAMAMOTO KAZUE
    • H01L51/50C09D11/00C09D11/30C09K11/06H05B33/10H05B33/14H05B33/22
    • PROBLEM TO BE SOLVED: To provide an organic EL display device using ink for an organic EL hole injection layer providing an organic EL element having high light emission efficiency, high luminance, and a long service life. SOLUTION: This organic EL display device includes a picture element having an anode composed by a transparent electrode, a cathode, and a polymer light emitting layer arranged between the anode and the cathode, a picture element having one kind of light emission color or a picture element having a plurality kinds of light emission colors for emitting different colors are two-dimensionally arranged, and the picture element showing at least one light emission color has the hole injection layer. The hole injection layer includes an associated body of donor molecule containing polythiophen and its derivative and acceptor molecule containing polystyrene sulfonate and its derivative. The hole injection layer is formed using the ink for the organic EL hole injection layer having ionization potential which is larger than 5.3 eV and is smaller than ionization potential of the polymer light emitting layer. COPYRIGHT: (C)2004,JPO
    • 解决的问题:提供一种使用油墨用于有机EL空穴注入层的有机EL显示装置,其提供具有高发光效率,高亮度和长使用寿命的有机EL元件。 解决方案:该有机EL显示装置包括具有由透明电极,阴极和布置在阳极和阴极之间的聚合物发光层构成的阳极的像素,具有一种发光颜色的像素 或具有用于发射不同颜色的多种发光颜色的像素被二维地布置,并且表现出至少一种发光颜色的像素具有空穴注入层。 空穴注入层包括含有聚噻吩及其衍生物和含有聚苯乙烯磺酸盐及其衍生物的受体分子的供体分子的缔合体。 空穴注入层使用具有大于5.3eV的电离电位且小于聚合物发光层的电离电位的有机EL空穴注入层的墨形成。 版权所有(C)2004,JPO
    • 6. 发明专利
    • JPH05307179A
    • 1993-11-19
    • JP5244692
    • 1992-03-11
    • TOSHIBA CORP
    • SANO KENJIMACHIDA SHIGERUMORI YASUSHI
    • B01J19/00B05D1/20B32B9/00C08J5/18C09D5/00C09D125/00C09D125/18C09D129/04C09K3/00C09K11/00C23C14/24G02F1/1337G02F1/361G02F1/377
    • PURPOSE:To increase the bonding strength of molecules to a substrate and to obtain the monomolecular film oriented with the molecules oriented in the same direction by treating the surface of the substrate to impart reactivity thereto and bringing functional groups into reaction with the surface of the substrate by using the specific molecules. CONSTITUTION:The surface of the substrate 1 is treated, by that, the reactivity is imparted to a treated layer 2. The molecules 3 having the two functional groups at both ends of the rigid molecular skeleton having >=15 angstrom length are used and one of the two functional groups is brought into reaction with the surface of the substrate 1, by that, the monomolecular film of the first layer is formed. Further, the molecules 4 having the two functional groups at both ends of the rigid molecular skeleton having >=15 angstrom length are used and one of the two functional groups is brought into reaction with the other functional group of the molecules constituting the monomolecular film of the lower layer, by that, the monomolecular film of the upper layer is formed. The reason that the length in the longitudinal direction of the molecular skeleton is limited to >=15 angstrom lies in that the control of the molecule orientation on the substrate 1 is difficult if the length is below 15 angstrom.
    • 7. 发明专利
    • LIQUID CRYSTAL DISPLAY ELEMENT AND PRODUCTION OF LIQUID CRYSTAL ORIENTED FILM
    • JPH0580335A
    • 1993-04-02
    • JP24570491
    • 1991-09-25
    • TOSHIBA CORP
    • TAKATO TAKAKISAKAMOTO MASANORISANO KENJIMORI YASUSHIHASEGAWA MAKOTO
    • G02F1/1337G09F9/35
    • PURPOSE:To uniformly orient liquid crystal molecules and to suppress the interference effect of a liquid crystal oriented film so as to improve a display grade by forming the liquid crystal oriented film of a high-polymer thin film having stripe patterns and having irregular rugged patterns. CONSTITUTION:The liquid crystal oriented film 3 of the liquid crystal display element formed by sealing a liquid crystal compd. between substrates consists of the high- polymer thin film having the stripe patterns and having the irregular rugged patterns. The irregular rugged patterns include the patterns which are formed with, for example, projecting parts in a stripe form along one direction but are irregular in the width of the projecting parts and the intervals between the projecting parts, the patterns which have the tendency of the projecting parts arrayed along one direction but are not formed with the projecting parts in the stripe form, have intricate plane shapes and are irregular in the width, length and spacings of the projecting parts, etc. These patterns signify the patterns without having periodicity. The generation of interference light is obviated in such a manner or even if such light is generated, the light has no wavelength peaks in a visible region; therefore, the interference effect of the liquid crystal oriented film is suppressed and the deterioration in the display grade is prevented.
    • 10. 发明专利
    • NONLINEAR OPTICAL ELEMENT AND PRODUCTION THEREOF
    • JPH02208639A
    • 1990-08-20
    • JP2927789
    • 1989-02-08
    • TOSHIBA CORP
    • MORI YASUSHIDONARUDO DONATSUTO KONAA BURATKAWAMONZEN YOSHIHIRO
    • G02F1/35C08L101/00G02F1/355G02F1/361
    • PURPOSE:To easily form the pattern of a conjugated high-polymer film by forming the pattern of the conjugated high-polymer film having a desired shape on a substrate. CONSTITUTION:After a nonconjugated precursor high-polymer film 2 is formed on the substrate 1, the pattern 5 of the conjugated high-polymer film is formed in the desired region of the nonconjugated precursor high-polymer film 2 by selectively irradiating the region with an electromagnetic wave, electron beam or particle beam. Namely, the nonconjugated precursor high-polymer film 2 is formed on the substrate 1 and a mask 3 formed with the prescribed pattern is installed thereon. The desired region of the nonconjugated precursor high- polymer film 2 is selectively irradiated with the electromagnetic wave, electron beam or particle beam 4 through this mask 3. As a result, the conjugated high- polymer film 5 is formed. The conjugated precursor high-polymer film 2 is removed by using a solvent which dissolves the nonconjugated precursor high- polymer film alone to form the pattern of the conjugated high-polymer film 5. The nonlinear optical element formed by using the conjugated high-polymer with which patterning of waveguides, etc., is heretofore difficult is produced in this way.