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    • 1. 发明授权
    • Organic electroluminescent element
    • 有机电致发光元件
    • US08822040B2
    • 2014-09-02
    • US12257599
    • 2008-10-24
    • Toshitaka MoriYasuyuki OhyagiJunji Kido
    • Toshitaka MoriYasuyuki OhyagiJunji Kido
    • H01L51/54H01L51/52H01L51/50
    • H01L51/5221H01L51/5088H01L51/5092H01L51/5206H01L51/5215Y10S428/917
    • A main object of the present invention is to provide an organic EL element which can ease damages of an organic EL layer upon formation of an electrode layer, and enables display of a high quality image. The present invention attains the above object by providing an organic electroluminescent element comprising: a substrate; a first electrode layer formed on the substrate; an organic electroluminescent layer which is formed on the first electrode layer, and has at least a light emitting layer; a semiconductor buffer layer which is formed on the organic electroluminescent layer, and contains an inorganic compound having a band gap of 2.0 eV or more and a metal; and a second electrode layer formed on the semiconductor buffer layer.
    • 本发明的主要目的是提供一种有机EL元件,其可以在形成电极层时减轻有机EL层的损伤,并且能够显示高质量的图像。 本发明通过提供一种有机电致发光元件实现上述目的,该有机电致发光元件包括:基片; 形成在所述基板上的第一电极层; 有机电致发光层,其形成在所述第一电极层上,并且至少具有发光层; 半导体缓冲层,形成在有机电致发光层上,并且含有带隙为2.0eV以上的无机化合物和金属; 以及形成在半导体缓冲层上的第二电极层。
    • 3. 发明授权
    • Organic electroluminescent display
    • 有机电致发光显示
    • US07012364B2
    • 2006-03-14
    • US10673179
    • 2003-09-30
    • Toshitaka MoriYasuyuki OhyagiJunji Kido
    • Toshitaka MoriYasuyuki OhyagiJunji Kido
    • H01J1/62H01J63/04
    • H01L51/5048H01L51/5092H01L51/5221H01L51/5253H01L2251/5315
    • An organic electroluminescent image display apparatus capable of displaying a high-quality image wherein light is taken out from a cathode layer side of an upper surface is described. The organic electroluminescent image display apparatus includes an anode layer, an organic layer, a barrier conductive layer having optical transparency, and a cathode layer having the optical transparency successively disposed on a substrate. The barrier conductive layer contains a metal, an inorganic nitride, and/or an inorganic oxide. Alternatively, the organic electroluminescent image display apparatus includes an anode layer, an organic layer, a first cathode layer having optical transparency, an electron transport protective layer having the optical transparency, and a second cathode layer having the optical transparency successively disposed on a substrate. The electron transport protective layer contains an alkali metal and/or an alkali earth metal in an electron transporting organic material.
    • 描述能够显示其中从上表面的阴极层侧取出光的高质量图像的有机电致发光图像显示装置。 有机电致发光图像显示装置包括阳极层,有机层,具有光学透明性的阻挡导电层和具有依次设置在基板上的光学透明度的阴极层。 阻挡导电层含有金属,无机氮化物和/或无机氧化物。 或者,有机电致发光图像显示装置包括阳极层,有机层,具有光学透明度的第一阴极层,具有光学透明度的电子传输保护层,以及具有依次设置在基板上的光学透明性的第二阴极层。 电子传输保护层在电子传输有机材料中含有碱金属和/或碱土金属。
    • 4. 发明申请
    • Organic electroluminescent display
    • 有机电致发光显示
    • US20050127824A1
    • 2005-06-16
    • US10673179
    • 2003-09-30
    • Toshitaka MoriYasuyuki OhyagiJunji Kido
    • Toshitaka MoriYasuyuki OhyagiJunji Kido
    • H01L51/50H01L51/52H05B33/00
    • H01L51/5048H01L51/5092H01L51/5221H01L51/5253H01L2251/5315
    • An organic electroluminescent image display apparatus capable of displaying a high-quality image wherein light is taken out from a cathode layer side of an upper surface is described. The organic electroluminescent image display apparatus includes an anode layer, an organic layer, a barrier conductive layer having optical transparency, and a cathode layer having the optical transparency successively disposed on a substrate. The barrier conductive layer contains a metal, an inorganic nitride, and/or an inorganic oxide. Alternatively, the organic electroluminescent image display apparatus includes an anode layer, an organic layer, a first cathode layer having optical transparency, an electron transport protective layer having the optical transparency, and a second cathode layer having the optical transparency successively disposed on a substrate. The electron transport protective layer contains an alkali metal and/or an alkali earth metal in an electron transporting organic material.
    • 描述能够显示其中从上表面的阴极层侧取出光的高质量图像的有机电致发光图像显示装置。 有机电致发光图像显示装置包括阳极层,有机层,具有光学透明性的阻挡导电层和具有依次设置在基板上的光学透明度的阴极层。 阻挡导电层含有金属,无机氮化物和/或无机氧化物。 或者,有机电致发光图像显示装置包括阳极层,有机层,具有光学透明度的第一阴极层,具有光学透明度的电子传输保护层,以及具有依次设置在基板上的光学透明性的第二阴极层。 电子传输保护层在电子传输有机材料中含有碱金属和/或碱土金属。
    • 7. 发明授权
    • Optical system and device using the same
    • 光学系统和使用它的设备
    • US06704128B2
    • 2004-03-09
    • US10201318
    • 2002-07-24
    • Tetsuhide TakeyamaYasuyuki Ohyagi
    • Tetsuhide TakeyamaYasuyuki Ohyagi
    • G02B532
    • G02B17/086G02B5/04G02B5/32G02B13/007G02B17/026G02B17/08G02B23/14G02B23/243G02B25/001G02B27/0172G02B2027/011G02B2027/0132G02B2027/0138G02B2027/0174G02B2027/0178H04N5/2254
    • A viewing optical system for display devices or an image pickup optical system, which can be used with high efficiency at a plurality of wavelengths and enables bright images to be viewed with satisfactory color reproducibility and well-corrected aberrations. The optical system comprises a first prism, a second prism and a volume hologram element disposed between them and cemented to them. The hologram element comprises a first volume hologram optimized in such a way as to effect diffraction at least at a first wavelength and a second hologram optimized in such a way as to effect diffraction at a second wavelength different from the first wavelength. The first and second holograms are identical with each other in terms of the shape and spacing of interference fringes on their surfaces but different from each other in terms of the spacing and tilt of interference fringes in their hologram media.
    • 用于显示装置的观察光学系统或摄像光学系统,其可以以多个波长的高效率使用,并且能够以令人满意的颜色再现性和良好校正的像差观看明亮的图像。 光学系统包括第一棱镜,第二棱镜和布置在它们之间的胶体的全息元件。 全息元件包括以这样的方式优化的第一体积全息图,以便至少在第一波长处实现衍射,并且以这样的方式优化的第二全息图,以在不同于第一波长的第二波长处进行衍射。 第一和第二全息图在其表面上的干涉条纹的形状和间隔方面彼此相同,但是在其全息图介质中的干涉条纹的间隔和倾斜方面彼此不同。
    • 8. 发明授权
    • Optical system and device using the same
    • 光学系统和使用它的设备
    • US06621606B2
    • 2003-09-16
    • US10186677
    • 2002-07-02
    • Tetsuhide TakeyamaYasuyuki OhyagiDaijiro Kodama
    • Tetsuhide TakeyamaYasuyuki OhyagiDaijiro Kodama
    • G02B532
    • G02B5/32G02B27/0172G02B2027/011G02B2027/0132G02B2027/0138G02B2027/0178
    • The invention relates to a viewing and an image pickup optical system for display devices, which can be used with high efficiency at a plurality of wavelengths and enables bright images to be viewed with satisfactory color reproducibility. The optical system comprises a first prism 3, a second prism 4 and a volume hologram element 6 disposed between them and cemented to them. The hologram element 6 comprises a first grating vector corresponding to at least a first wavelength and a second grating vector corresponding to a second wavelength shorter than the first wavelength. As the light beam comprising the first and second wavelengths passes through the hologram element 6, the component of the first wavelength transmits at a given angle of incidence in a region between a first &lgr;&thgr; continuous curved region in which the diffraction efficiency is 10% or greater as determined form the first grating vector and a second &lgr;&thgr; continuous curved region in which the diffraction efficiency is 10% or greater as determined from the second grating vector, and the component of the second wavelength transmits at a given angle of incidence in a region on a shorter wavelength side with respect to the 2 &lgr;&thgr; continuous curved region.
    • 本发明涉及用于显示装置的观看和摄像光学系统,其可以以多个波长的高效率使用,并且能够以令人满意的颜色重现性观看明亮的图像。 光学系统包括第一棱镜3,第二棱镜4和布置在它们之间并与其粘合的体积全息元件6。 全息元件6包括对应于至少第一波长的第一光栅矢量和对应于比第一波长短的第二波长的第二光栅矢量。 当包含第一和第二波长的光束穿过全息元件6时,第一波长的分量以其中衍射效率为10%或更大的第一平坦连续弯曲区域之间的区域以给定的入射角透射 如从第二光栅矢量确定的衍射效率为10%或更大的第一光栅矢量和第二兰氏连续弯曲区域确定的,并且第二波长的分量以给定的入射角在 相对于2条连续弯曲区域的波长较短的一侧。