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    • 6. 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。]