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    • 1. 发明申请
    • WHITE PHOSPHORESCENT ORGANIC LIGHT EMITTING DEVICES
    • WO2010028262A9
    • 2010-03-11
    • PCT/US2009/056066
    • 2009-09-04
    • UNIVERSAL DISPLAY CORPORATIOND'ANDRADE, BrianESLER, JamesADAMOVICH, Vadim
    • D'ANDRADE, BrianESLER, JamesADAMOVICH, Vadim
    • H01L51/52H01L51/54
    • A device is provided. The device includes an anode, a cathode and a double emissive layer disposed between the anode and the cathode. The double emissive layer includes a first organic emissive layer and a second organic emissive layer. The first organic emissive layer includes a first phosphorescent material having a concentration of 15-35 wt% in the first organic emissive layer, and a peak emissive wavelength in the visible spectrum at a wavelength between 400 nm and 500 nm; and a first host material having a triplet energy at least 0.2 eV and not more than 1.0 eV greater than the triplet energy of the first phosphorescent material. The second organic emissive layer includes a second phosphorescent material having a concentration of 15-35 wt% in the second organic emissive layer, and a peak emissive wavelength in the visible spectrum at a wavelength between 500 nm and 600 nm, and a third phosphorescent material having a concentration of 0.1 - 3 wt% in the second organic emissive layer, and a peak emissive wavelength in the visible spectrum at a wavelength between 600 nm and 700 nm. The second host material has a triplet energy greater than that of the third phosphorescent emissive material. The second organic emissive layer is disposed between the anode and the cathode, and is adjacent to the first organic emissive layer. The device also includes a blocking layer disposed adjacent to the second organic emissive layer and between the second organic emissive layer and the anode. The blocking layer has a lowest unoccupied molecular orbital that is at least 0.1 eV greater than the lowest unoccupied molecular orbital of the second host material. The device also includes a hole transport layer disposed between the blocking layer and the anode. At least one of the anode and the cathode is transmissive.
    • 5. 发明申请
    • WHITE PHOSPHORESCENT ORGANIC LIGHT EMITTING DEVICES
    • 白色有机有机发光装置
    • WO2010028262A1
    • 2010-03-11
    • PCT/US2009056066
    • 2009-09-04
    • UNIVERSAL DISPLAY CORPD ANDRADE BRIANESLER JAMESADAMOVICH VADIM
    • D ANDRADE BRIANESLER JAMESADAMOVICH VADIM
    • H01L51/52H01L51/54
    • H01L51/5036H01L51/0061H01L51/0071H01L51/0072H01L51/0085H01L51/5016H01L51/5096
    • A device is provided. The device includes an anode, a cathode and a double emissive layer disposed between the anode and the cathode. The double emissive layer includes a first organic emissive layer and a second organic emissive layer. The first organic emissive layer includes a first phosphorescent material having a concentration of 15-35 wt% in the first organic emissive layer, and a peak emissive wavelength in the visible spectrum at a wavelength between 400 nm and 500 nm; and a first host material having a triplet energy at least 0.2 eV and not more than 1.0 eV greater than the triplet energy of the first phosphorescent material. The second organic emissive layer includes a second phosphorescent material having a concentration of 15-35 wt% in the second organic emissive layer, and a peak emissive wavelength in the visible spectrum at a wavelength between 500 nm and 600 nm, and a third phosphorescent material having a concentration of 0.1 - 3 wt% in the second organic emissive layer, and a peak emissive wavelength in the visible spectrum at a wavelength between 600 nm and 700 nm. The second host material has a triplet energy greater than that of the third phosphorescent emissive material. The second organic emissive layer is disposed between the anode and the cathode, and is adjacent to the first organic emissive layer. The device also includes a blocking layer disposed adjacent to the second organic emissive layer and between the second organic emissive layer and the anode. The blocking layer has a lowest unoccupied molecular orbital that is at least 0.1 eV greater than the lowest unoccupied molecular orbital of the second host material. The device also includes a hole transport layer disposed between the blocking layer and the anode. At least one of the anode and the cathode is transmissive.
    • 提供了一种设备。 该装置包括阳极,阴极和布置在阳极和阴极之间的双发射层。 双发射层包括第一有机发射层和第二有机发射层。 第一有机发光层包括在第一有机发射层中具有15-35重量%的浓度的第一磷光材料和在400nm和500nm之间的波长下的可见光谱中的峰值发射波长; 以及具有比所述第一磷光材料的三线态能量大至少0.2eV且不大于1.0eV的三线态能量的第一宿主材料。 第二有机发光层包括在第二有机发射层中具有15-35重量%的浓度的第二磷光材料和在500nm和600nm之间的波长的可见光谱中的峰值发射波长和第三磷光材料 在第二有机发光层中具有0.1-3重量%的浓度,在600nm和700nm之间的波长下的可见光谱中的峰值发射波长。 第二主体材料具有大于第三磷光发光材料的三重态能量。 第二有机发光层设置在阳极和阴极之间,并且与第一有机发射层相邻。 该装置还包括邻近第二有机发射层设置的阻挡层,并且在第二有机发射层和阳极之间。 阻挡层具有比第二主体材料的最低未占有分子轨道大至少0.1eV的最低未占据的分子轨道。 该装置还包括设置在阻挡层和阳极之间的空穴传输层。 阳极和阴极中的至少一个是透射的。
    • 9. 发明申请
    • ORGANIC LICHT EMITTING DEVICE WITH A NON-EMISSIVE ORGANOMETALLIC LAYER
    • 具有非易燃有机层的有机发光装置
    • WO2009099705A1
    • 2009-08-13
    • PCT/US2009/030545
    • 2009-01-09
    • UNIVERSAL DISPLAY CORPORATIOND'ANDRADE, BrianESLER, James
    • D'ANDRADE, BrianESLER, James
    • H01L51/50
    • H01L51/5036
    • An organic light emitting device is provided. The device includes an anode and a cathode. A first emissive layer is disposed between the anode and the cathode. The first emissive layer includes a first non-emitting organic material, which is an organometallic material present in the first emissive layer in a concentration of at least 50 wt%. The first emissive layer also includes a first emitting organic material. A second emissive layer is disposed between the first emissive layer and the cathode, preferably, in direct contact with the first emissive layer. The second emissive material includes a second non-emitting organic material and a second emitting organic material. The first and second non-emitting materials, and the first and second emitting materials, are all different materials. A first non-emissive layer is disposed between the first emissive layer and the anode, and in direct contact with the first emissive layer. The first non-emissive layer comprises the first non-emissive organic material.
    • 提供有机发光装置。 该装置包括阳极和阴极。 第一发射层设置在阳极和阴极之间。 第一发射层包括第一非发射有机材料,其是以至少50重量%的浓度存在于第一发射层中的有机金属材料。 第一发射层还包括第一发射有机材料。 第二发射层设置在第一发射层和阴极之间,优选地与第一发射层直接接触。 第二发射材料包括第二不发射有机材料和第二发射有机材料。 第一和第二非发射材料以及第一和第二发射材料都是不同的材料。 第一非发射层设置在第一发射层和阳极之间,并且与第一发射层直接接触。 第一非发射层包括第一非发射有机材料。