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    • 3. 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。
    • 4. 发明授权
    • Organic electroluminescent element and luminescent apparatus employing the same
    • 有机电致发光元件和采用其的发光装置
    • US07255935B2
    • 2007-08-14
    • US10009021
    • 2001-04-09
    • Tadashi IshibashiMari IchimuraNaoyuki UedaShinichiro Tamura
    • Tadashi IshibashiMari IchimuraNaoyuki UedaShinichiro Tamura
    • H01J1/62
    • H01L51/5012C07C211/54C07C211/58C07C217/92C07C255/58H01L27/32H01L51/0052H01L51/0059H01L51/006H01L51/0081H01L51/5048H01L2251/308Y10S428/917
    • This invention provides an organic electroluminescent element which emits red light with high color purity, high luminance, and high reliability, owing to the compound used therein which has high fluorescence yields and good thermal stability. The organic electroluminescent element which is made up of a glass substrate (1), an ITO transparent electrode (2), a hole transfer layer (6), an electron transfer layer (7), and a metal electrode (3) (which are laminated in the order mentioned), with the hole transfer layer (6) and/or the electron transfer layer (7) being formed of a mixture containing at least one species of the aminostyryl compound represented by the following general formula [I], and a hole blocking layer (30) is interposed between the hole transfer layer (6) and the electron transfer layer (7). Y1—CH═CH—X1—CH═CH—Y2General formula [I] [where, in the general formula [I] above, X1 denotes any aryl group such as a phenyl group having a substituent groups such as a nitro group, and Y1 and Y2 each is a group having an aminophenyl group in the skeleton.]
    • 本发明提供了由于其中使用的具有高荧光产率和良好的热稳定性的化合物而发出具有高纯度,高亮度和高可靠性的红光的有机电致发光元件。 由玻璃基板(1),ITO透明电极(2),空穴转移层(6),电子转移层(7)和金属电极(3)构成的有机电致发光元件 以所述顺序层叠),空穴转移层(6)和/或电子转移层(7)由含有至少一种由以下通式[I]表示的氨基苯乙烯基化合物的混合物形成,以及 在空穴转移层(6)和电子转移层(7)之间插入空穴阻挡层(30)。 <?in-line-formula description =“In-line Formulas”end =“lead”?> Y -CH-CH-X 1 -CH-CH- 通式[I] <?in-line-formula description =“In-line Formulas”end =“tail”?> [其中,在上述通式[I]中,X < SUP> 1表示任何芳基,例如具有硝基等取代基的苯基,Y 1和Y 2各自为基团 在骨架中具有氨基苯基。]