Organic element for low voltage electroluminescent devices
    51.
    发明申请
    Organic element for low voltage electroluminescent devices 审中-公开
    低电压电致发光器件的有机元件

    公开(公告)号:US20070092754A1

    公开(公告)日:2007-04-26

    申请号:US11258719

    申请日:2005-10-26

    IPC分类号: H01L51/54

    摘要: An OLED device comprises a cathode, a light emitting layer and an anode, in that order, and comprising; (i) in the light-emitting layer at least one light emitting compound selected from amine containing monostyryl, amine containing distyryl, amine containing tristyryl and amine containing tetrastyryl compounds, and (ii) a further layer located between the cathode and the light emitting layer, containing (a) 10-volume % or more of a carbocyclic fused ring aromatic compound, and (b) at least one salt or complex of a Group IA, IIA, IIIA or IIB element of the Periodic Table. Such devices exhibit reduce drive voltage while maintaining good luminance.

    摘要翻译: OLED器件依次包括阴极,发光层和阳极,并且包括: (i)在发光层中至少一种发光化合物选自含有单苯乙烯胺,含胺二苯乙烯基胺,含三苯甲酰胺和含四苯甲酰胺化合物的胺,和(ii)位于阴极和发光层之间的另一层 含有(a)10体积%以上的碳环稠环芳族化合物,和(b)至少一种元素周期表IA,IIA,IIIA或IIB族元素的盐或络合物。 这样的器件在保持良好亮度的同时表现出降低驱动电压。

    Organic element for low voltage electroluminescent devices
    52.
    发明申请
    Organic element for low voltage electroluminescent devices 审中-公开
    低电压电致发光器件的有机元件

    公开(公告)号:US20070092755A1

    公开(公告)日:2007-04-26

    申请号:US11258740

    申请日:2005-10-26

    IPC分类号: H01L51/54

    摘要: An OLED device comprises a cathode, a light emitting layer and an anode, in that order, and comprises; (i) a further layer located between the cathode and the light emitting layer, containing (a) 10 vol % or more of a carbocyclic fused ring aromatic compound, and (b) at least one salt or complex of a Group IA, IIA, IIIA and IIB element of the Periodic Table, and (ii) an additional layer, located between the anode and the light emitting layer, containing a compound of Formula (8) wherein: each R independently represents hydrogen or an independently selected substituent, at least one R representing an electron-withdrawing substituent having a Hammett's sigma para value of at least 0.3. Such devices exhibit reduce drive voltage while maintaining good luminance.

    摘要翻译: OLED器件依次包括阴极,发光层和阳极,并且包括: (i)位于阴极和发光层之间的另一层,其含有(a)10体积%以上的碳环稠环芳族化合物,和(b)至少一种IA,IIA, IIIA和IIB元素,和(ii)位于阳极和发光层之间的附加层,其包含式(8)的化合物,其中:每个R独立地表示氢或独立选择的取代基,至少 一个R代表具有至少0.3的哈米特σ对位值的吸电子取代基。 这样的器件在保持良好亮度的同时表现出降低驱动电压。

    Organic light-emitting devices with mixed electron transport materials
    53.
    发明申请
    Organic light-emitting devices with mixed electron transport materials 审中-公开
    具有混合电子传输材料的有机发光装置

    公开(公告)号:US20060204784A1

    公开(公告)日:2006-09-14

    申请号:US11077218

    申请日:2005-03-10

    IPC分类号: H01L51/54 H05B33/12

    摘要: An OLED device comprises a cathode, an anode, a light emitting layer, and on the cathode side of said emitting layer, a further layer containing a) a first compound that has the lowest LUMO value of the compounds in the layer, in an amount greater than or equal to 10% by volume and less than 100% by volume of the layer; b) at least one second compound exhibiting a higher LUMO value than the first compound, where at least one of the second compounds is a low voltage electron transport material, the total amount of such second compounds(s) is less than or equal to 90% by volume of the layer; and c) a metallic material based on a metal having a work function less than 4.2 eV.

    摘要翻译: OLED器件包括阴极,阳极,发光层,并且在所述发光层的阴极侧,还包含a)第一化合物,其中该化合物在该层中具有最低的LUMO值,其量为 大于或等于10体积%且小于100体积%的层; b)至少一种第二化合物,其表现出比第一化合物更高的LUMO值,其中至少一种第二化合物是低电压电子传递材料,这种第二化合物的总量小于或等于90 该层的体积百分比; 和c)基于功函数小于4.2eV的金属的金属材料。

    Low voltage organic electroluminescent element
    54.
    发明申请
    Low voltage organic electroluminescent element 有权
    低电压有机电致发光元件

    公开(公告)号:US20070026257A1

    公开(公告)日:2007-02-01

    申请号:US11192072

    申请日:2005-07-28

    IPC分类号: H01L51/54 H05B33/12

    摘要: An OLED device comprises a cathode, an electron-transporting layer (ETL), a light-emitting layer (LEL) containing a fluorescent light-emitting material, a hole-transporting layer (HTL), and an anode, in that order, wherein the ETL comprises a mixture of compounds, including a first compound and at least one second compound, and wherein there is present a hole blocking layer (HBL) adjacent to the LEL on the cathode side. It provides a reduced drive voltage with comparable color hue.

    摘要翻译: OLED器件依次包括阴极,电子传输层(ETL),含有荧光发光材料的发光层(LEL),空穴传输层(HTL)和阳极,其中 ETL包括包含第一化合物和至少一种第二化合物的化合物的混合物,并且其中在阴极侧存在与LEL相邻的空穴阻挡层(HBL)。 它提供了具有可比色调的降低的驱动电压。

    Electroluminescent devices with mixed electron transport materials
    56.
    发明申请
    Electroluminescent devices with mixed electron transport materials 有权
    具有混合电子传输材料的电致发光器件

    公开(公告)号:US20060204786A1

    公开(公告)日:2006-09-14

    申请号:US11215505

    申请日:2005-08-30

    IPC分类号: H01L51/54 H05B33/12

    摘要: An OLED device comprises a cathode, an anode, a light emitting layer, and on the cathode side of said emitting layer, a further layer, wherein the further layer is an electron-transporting layer containing: a) a first compound that has the lowest LUMO value of the compounds in the layer, the amount being greater than 10% by volume and less than 100% by volume of the layer; b) at least one second compound that is a low voltage electron transport material, exhibiting a higher LUMO value than the first compound, the total amount of said compound(s) being less than 90% by volume and more than 0% by volume of the layer; provided, that when paragraphs a) and b) each contain a single compound and the compound of paragraph a) is tris(8-quinolinolato)aluminum(III), then the compound of paragraph b) is not 4,7-diphenyl-1,10-phenanthroline; and provided further that when paragraphs a) and b) each contain a single compound and the compound of paragraph b) is tris(8-quinolinolato)aluminum(III), then the compound of paragraph a) is not 2,2′-(1,1′-biphenyl)-4,4′-diylbis(4,6-(p-tolyl)-1,3,5-triazine).

    摘要翻译: OLED器件包括阴极,阳极,发光层,并且在所述发光层的阴极侧上具有另外的层,其中所述另外的层是电子传输层,其包含:a)具有最低的第一化合物 层中化合物的LUMO值,其量大于10体积%且小于100体积%的层; b)至少一种第二化合物,其是低电压电子传输材料,其表现出比第一化合物更高的LUMO值,所述化合物的总量小于90体积%且大于0体积% 层; 条件是当段落a)和b)各自含有单一化合物,而a)段的化合物是三(8-羟基喹啉)铝(III)时,则段落b)的化合物不是4,7-二苯基-1 ,10-菲咯啉; 并进一步规定,当段落a)和b)各自含有单一化合物,并且段落b)的化合物是三(8-羟基喹啉)铝(III)时,则a)段的化合物不是2,2' - ( 1,1'-联苯基)-4,4'-二基双(4,6-(对甲苯基)-1,3,5-三嗪)。