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    • 2. 发明申请
    • Organic field emission device and emission device
    • 有机场致发射装置及排放装置
    • US20050064232A1
    • 2005-03-24
    • US10240328
    • 2002-05-31
    • Tadashi IshibashiShinichiro TamuraNaoyuki UedaMari IchimuraJiro Yamada
    • Tadashi IshibashiShinichiro TamuraNaoyuki UedaMari IchimuraJiro Yamada
    • H01L51/50H05B33/14
    • H01L51/5012
    • The present invention provides an organic electroluminescence light emitting device capable of preventing a color (hue) of light and a luminous efficiency from being varied depending on a concentration of a luminous material contained in a light emission layer and an operational condition such as an applied voltage, thereby exhibiting a high luminance, a high performance, and a stable, reliability. The light emitting device includes an anode (6), a hole transport layer (2), a light emission layer (3), an electron transport layer (4), or includes an anode (6), a hole transport layer (2), and a light emission layer (4) serving as an electron transport layer. A light emission region is formed by a mixed layer made from a luminescent material and a charge injection accelerating material. The luminescent material exhibits, in a state held as a single thin film between the anode (6) and the cathode (7), electroluminescence light emission when a DC voltage is applied thereto and has a charge transport characteristic. The charge injection accelerating material is different from the luminous material and has a charge transport characteristic capable of accelerating injection of charges in the luminescent material. The light emission region exists not only at an interface with an adjacent layer or its vicinity but also over a specific thickness region in the layer thickness direction.
    • 本发明提供一种能够防止光的颜色(色调)和发光效率根据发光层中包含的发光材料的浓度和施加电压等操作条件而变化的有机电致发光发光装置。 ,从而表现出高亮度,高性能和稳定的可靠性。 发光器件包括阳极(6),空穴传输层(2),发光层(3),电子传输层(4),或包括阳极(6),空穴传输层(2) ,以及用作电子传输层的发光层(4)。 发光区域由发光材料和电荷注入加速材料制成的混合层形成。 发光材料在阳极(6)和阴极(7)之间作为单个薄膜保持的状态下,在施加直流电压时具有电致发光,并具有电荷传输特性。 电荷注入加速材料与发光材料不同,并且具有能够加速在发光材料中注入电荷的电荷传输特性。 发光区域不仅存在于与相邻层或其附近的界面处,而且存在于层厚度方向上的特定厚度区域上。
    • 3. 发明授权
    • Display device and display unit using the same
    • 显示设备和使用其的显示单元
    • US07224114B2
    • 2007-05-29
    • US10672962
    • 2003-09-26
    • Jiro YamadaNobutoshi AsaiShinichiro Tamura
    • Jiro YamadaNobutoshi AsaiShinichiro Tamura
    • H01L51/00G02B5/28
    • H01L51/5265H01L27/3211H01L27/322
    • Provided are a display device and a display unit having higher light extraction efficiency. An optical distance L1 between a maximum light-emitting position of a light-emitting layer and a first end portion satisfies L1=tL1+a1 and (2tL1)/λ=−Φ1/(2π)+m1. An optical distance L2 between the maximum light-emitting position and a second end portion satisfies L2=tL2+a2 and (2tL2)/λ=−Φ2/(2π)+m2. In the formulas, tL1 and tL2 represent a theoretical optical distance between the first end portion and the maximum light-emitting position and a theoretical optical distance between the second end portion and the maximum light-emitting position, respectively, a1 and a2 represent correction amounts based upon a light-emitting distribution in the light-emitting layer, λ represents a peak wavelength of the spectrum of light desired to be extracted, Φ1 and Φ2 represent a phase shift of reflected light generated in the first end portion and a phase shift of reflected light generated in the second end portion, respectively, and each of m1 and m2 is 0 or an integer.
    • 提供了具有较高光提取效率的显示装置和显示单元。 在发光层的最大发光位置和第一端部之间的光学距离L 1> 1 1满足L 1 = t L 1< 1& + 1< 1>和(2tL 1/1)/λ= -P 1/2(2pi)+ m 1。 在最大发光位置和第二端部之间的光学距离L 2 2满足L 2 + 2 2 + 2 + 2< 2> 和(2tL 2 2)/λ= -Phi 2 /(2pi)+ m 2。 在公式中,t L 1和t L 2表示第一端部和最大发光位置之间的理论光学距离,以及第二端部之间的理论光学距离 并且最大发光位置分别表示基于发光层中的发光分布的校正量,λ表示峰值 期望提取的光的光谱的波长,Phi1和Φ2表示在第一端部中产生的反射光的相移和反射光的相移 分别在第二端部产生,并且m 1和m 2 2中的每一个为0或整数。
    • 4. 发明授权
    • Display device and display unit using the same
    • 显示设备和使用其的显示单元
    • US07602117B2
    • 2009-10-13
    • US11693906
    • 2007-03-30
    • Jiro YamadaNobutoshi AsaiShinichiro Tamura
    • Jiro YamadaNobutoshi AsaiShinichiro Tamura
    • H01L51/00G02B5/28
    • H01L51/5265H01L27/3211H01L27/322
    • Provided are a display device and a display unit having higher light extraction efficiency. An optical distance L1 between a maximum light-emitting position of a light-emitting layer and a first end portion satisfies L1=tL1+a1 and (2tL1)/λ=−Φ1/(2π)+m1. An optical distance L2 between the maximum light-emitting position and a second end portion satisfies L2=tL2+a2 and (2tL2)/λ=−Φ2/(2π)+m2. In the formulas, tL1 and tL2 represent a theoretical optical distance between the first end portion and the maximum light-emitting position and a theoretical optical distance between the second end portion and the maximum light-emitting position, respectively, a1 and a2 represent correction amounts based upon a light-emitting distribution in the light-emitting layer, λ represents a peak wavelength of the spectrum of light desired to be extracted, Φ1 and Φ2 represent a phase shift of reflected light generated in the first end portion and a phase shift of reflected light generated in the second end portion, respectively, and each of m1 and m2 is 0 or an integer.
    • 提供了具有较高光提取效率的显示装置和显示单元。 发光层的最大发光位置和第一端部之间的光学距离L1满足L1 = tL1 + a1和(2tL1)/λ= -Phi1 /(2pi)+ m1。 最大发光位置和第二端部之间的光学距离L2满足L2 = tL2 + a2和(2tL2)/λ= -Phi2 /(2pi)+ m2。 在公式中,tL1和tL2分别表示第一端部和最大发光位置之间的理论光学距离以及第二端部与最大发光位置之间的理论光学距离,a1和a2表示校正量 基于发光层中的发光分布,λ表示期望提取的光谱的峰值波长,Phi1和Phi2表示在第一端部中产生的反射光的相移和相移 在第二端部产生的反射光分别为m1和m2,为0或整数。
    • 5. 发明申请
    • DISPLAY DEVICE AND DISPLAY UNIT USING THE SAME
    • 显示设备和使用该显示设备的显示单元
    • US20070170852A1
    • 2007-07-26
    • US11693906
    • 2007-03-30
    • Jiro YamadaNobutoshi AsaiShinichiro Tamura
    • Jiro YamadaNobutoshi AsaiShinichiro Tamura
    • H01J1/62
    • H01L51/5265H01L27/3211H01L27/322
    • Provided are a display device and a display unit having higher light extraction efficiency. An optical distance L1 between a maximum light-emitting position of a light-emitting layer and a first end portion satisfies L1=tL1+a1 and (2tL1)/λ=−Φ1/(2π)+m1. An optical distance L2 between the maximum light-emitting position and a second end portion satisfies L2=tL2+a2 and (2tL2)/λ=Φ2/(2π)+m2. In the formulas, tL1 and tL2 represent a theoretical optical distance between the first end portion and the maximum light-emitting position and a theoretical optical distance between the second end portion and the maximum light-emitting position, respectively, a1 and a2 represent correction amounts based upon a light-emitting distribution in the light-emitting layer, λ represents a peak wavelength of the spectrum of light desired to be extracted, Φ1 and Φ2 represent a phase shift of reflected light generated in the first end portion and a phase shift of reflected light generated in the second end portion, respectively, and each of m1 and m2 is 0 or an integer.
    • 提供了具有较高光提取效率的显示装置和显示单元。 在发光层的最大发光位置和第一端部之间的光学距离L 1> 1 1满足L 1 = t L 1< 1& + 1< 1>和(2tL 1/1)/λ= -P 1/2(2pi)+ m 1。 在最大发光位置和第二端部之间的光学距离L 2 2满足L 2 + 2 2 + 2 + 2< 2> 和(2tL 2 2)/λ= Phi 2 /(2pi)+ m 2 2。 在公式中,t L 1和t L 2表示第一端部和最大发光位置之间的理论光学距离,以及第二端部之间的理论光学距离 并且最大发光位置分别表示基于发光层中的发光分布的校正量,λ表示峰值 期望提取的光的光谱的波长,Phi1和Φ2表示在第一端部中产生的反射光的相移和反射光的相移 分别在第二端部产生,并且m 1和m 2 2中的每一个为0或整数。
    • 7. 发明授权
    • Organic electroluminescence device with silver alloy anode and method of manufacturing the same
    • 具有银合金阳极的有机电致发光器件及其制造方法
    • US08937428B2
    • 2015-01-20
    • US11899431
    • 2007-09-06
    • Koji HanawaJiro YamadaTakashi Hirano
    • Koji HanawaJiro YamadaTakashi Hirano
    • H01J1/62H01J63/04H01L51/52
    • H01L51/5218C22C5/06C22C5/08H01L51/5012H01L51/5088H01L51/5206H01L51/5221H01L51/5225H01L51/5231H01L51/5234H01L51/5262H01L51/5265H01L2251/301H01L2251/308H01L2251/5315
    • Provided are an organic electroluminescence device capable of enhancing reflectance of an anode, thereby resulting in improved light-emitting efficiency and a method of manufacturing the same. An anode (12), a thin film layer for hole injection (13), an insulating layer (14), an organic layer (15) including a luminescent layer (15C) and a cathode (16) including a semi-transparent electrode (16A) are laminated in order on a substrate (11). The anode (12) comprises silver which is a metal with high reflectance or an alloy including silver, and the thin film layer for hole injection (13) comprises chromium oxide or the like. Light generated in the luminescent layer (15C) is multiply reflected between the anode (12) and the semi-transparent electrode (16A) to be emitted from the cathode (16). As the reflectance of the anode (12) is enhanced, the light generated in the luminescent layer (15C) can be efficiently emitted. An alloy comprised in the anode (12) preferably includes silver, palladium and copper, and a silver content is preferably 50% by mass or over.
    • 提供能够提高阳极反射率的有机电致发光器件,从而提高发光效率及其制造方法。 阳极(12),用于空穴注入的薄膜层(13),绝缘层(14),包括发光层(15C)的有机层(15)和包括半透明电极的阴极(16) 16A)依次层叠在基板(11)上。 阳极(12)包括银,其是具有高反射率的金属或包括银的合金,并且用于空穴注入的薄膜层(13)包括氧化铬等。 在发光层(15C)中产生的光在阳极(12)和半透明电极(16A)之间被反射,从阴极(16)发射。 随着阳极(12)的反射率增强,可以有效地发射在发光层(15C)中产生的光。 包含在阳极(12)中的合金优选包括银,钯和铜,并且银含量优选为50质量%以上。
    • 9. 发明授权
    • Light-emitting apparatus, illumination apparatus, and display apparatus
    • 发光装置,照明装置和显示装置
    • US08373342B2
    • 2013-02-12
    • US13010991
    • 2011-01-21
    • Toshihiro FukudaJiro YamadaYohei Ebihara
    • Toshihiro FukudaJiro YamadaYohei Ebihara
    • H01L51/52
    • H05B33/22
    • A light-emitting apparatus includes: light-emitting devices emitting light of different single colors in a visible wavelength region, wherein each of the light-emitting devices includes an organic layer which is interposed between first and second electrodes and in which a first or second light-emitting layer emitting light of different single colors is included at a first or second position separated from each other in a direction from the first electrode to the second electrode; a first reflective interface which is provided on the side of the first electrode so as to reflect light emitted from the first or second light-emitting layer to be emitted from the side of the second electrode; and a second reflective interface and a third reflective interface which are provided on the side of the second electrode at mutually separated positions in that order in a direction from the first electrode to the second electrode.
    • 发光装置包括:发光装置,其在可见光波长区域发射不同单色光,其中每个发光装置包括介于第一和第二电极之间的有机层,并且其中第一或第二 在从第一电极到第二电极的方向彼此分离的第一或第二位置处包含发射不同单色光的发光层; 第一反射界面,设置在第一电极的一侧,以便反射从第二或第二发光层发射的光从第二电极侧发射; 以及第二反射界面和第三反射界面,其在从第一电极到第二电极的方向上以相互分开的位置设置在第二电极的侧面上。