High efficiency multi-color electro-phosphorescent OLEDs
    3.
    发明授权
    High efficiency multi-color electro-phosphorescent OLEDs 有权
    高效多色电磷光OLED

    公开(公告)号:US07285907B2

    公开(公告)日:2007-10-23

    申请号:US11211385

    申请日:2005-08-24

    IPC分类号: H01L51/50 H01L51/54 H05B33/14

    摘要: The present invention relates to efficient organic light emitting devices (OLEDs) doped with multiple light-emitting dopants, at least one dopant comprising a phosphorescent emitter, in a thin film emissive layer or layers. The present invention is directed to an efficient phosphorescent organic light emitting device utilizing a plurality of emissive dopants in an emissive region, wherein at least one of the dopants is a phosphorescent material. Thus, the present invention provides an organic light emitting device comprising an emissive region, wherein the emissive region comprises a host material, and a plurality of emissive dopants, wherein the emissive region is comprised of a plurality of bands and each emissive dopant is doped into a separate band within the emissive region, and wherein at least one of the emissive dopants emits light by phosphorescence.

    摘要翻译: 本发明涉及掺杂有多个发光掺杂剂的有效的有机发光器件(OLED),至少一种包含磷光发射体的掺杂剂在薄膜发射层或多层中。 本发明涉及在发射区域中利用多个发射掺杂剂的有效磷光有机发光器件,其中至少一种掺杂剂是磷光材料。 因此,本发明提供了一种包括发射区域的有机发光器件,其中发射区域包括主体材料和多个发射掺杂剂,其中发射区域由多个带组成,并且每个发光掺杂剂被掺杂到 发射区域内的单独的带,并且其中至少一个发射掺杂剂通过磷光发光。

    High efficiency multi-color electro-phosphorescent OLEDs
    4.
    发明授权
    High efficiency multi-color electro-phosphorescent OLEDs 有权
    高效多色电磷光OLED

    公开(公告)号:US07009338B2

    公开(公告)日:2006-03-07

    申请号:US10144419

    申请日:2002-05-13

    IPC分类号: H05B33/14 H05B33/00

    摘要: The present invention relates to efficient organic light emitting devices (OLEDs) doped with multiple light-emitting dopants, at least one dopant comprising a phosphorescent emitter, in a thin film emissive layer or layers. The present invention is directed to an efficient phosphorescent organic light emitting device utilizing a plurality of emissive dopants in an emissive region, wherein at least one of the dopants is a phosphorescent material. Thus, the present invention provides an organic light emitting device comprising an emissive region, wherein the emissive region comprises a host material, and a plurality of emissive dopants, wherein the emissive region is comprised of a plurality of bands and each emissive dopant is doped into a separate band within the emissive region, and wherein at least one of the emissive dopants emits light by phosphorescence.

    摘要翻译: 本发明涉及掺杂有多个发光掺杂剂的有效的有机发光器件(OLED),至少一种包含磷光发射体的掺杂剂在薄膜发射层或多层中。 本发明涉及在发射区域中利用多个发射掺杂剂的有效磷光有机发光器件,其中至少一种掺杂剂是磷光材料。 因此,本发明提供了一种包括发射区域的有机发光器件,其中发射区域包括主体材料和多个发射掺杂剂,其中发射区域由多个带组成,并且每个发光掺杂剂被掺杂到 发射区域内的单独的带,并且其中至少一个发射掺杂剂通过磷光发光。

    Organic light emitting device having a transparent microcavity
    5.
    发明申请
    Organic light emitting device having a transparent microcavity 有权
    具有透明微腔的有机发光装置

    公开(公告)号:US20080061680A1

    公开(公告)日:2008-03-13

    申请号:US11517513

    申请日:2006-09-08

    IPC分类号: H01J1/62

    CPC分类号: H01L51/5265 H01L2251/5323

    摘要: An organic light emitting device having a microcavity is provided. The device may be transparent to the resonant wavelength of the microcavity, allowing for saturated emission at the wavelength or wavelengths of light transmitted by the microcavity.

    摘要翻译: 提供了具有微腔的有机发光器件。 该器件对于微腔的谐振波长可以是透明的,允许在由微腔传输的光的波长或波长处的饱和发射。

    OLED stability via doped hole transport layer
    8.
    发明授权
    OLED stability via doped hole transport layer 有权
    OLED通过掺杂空穴传输层的稳定性

    公开(公告)号:US08778511B2

    公开(公告)日:2014-07-15

    申请号:US13139227

    申请日:2009-10-01

    IPC分类号: H01L51/54

    摘要: An organic light emitting device is provided. The device includes an anode and a cathode. A first organic layer is disposed between the anode and the cathode. The first organic layer is an emissive layer that includes a first organic emitting material. The device also includes a second organic layer disposed between the anode and the first organic layer. The second organic layer is a non-emissive layer. The second organic layer includes an organic small molecule hole transport material having a concentration of 50 to 99 wt %, and an organic small molecule electron transport material having a concentration of 0.1 to 5 wt %. Other materials may be present.

    摘要翻译: 提供有机发光装置。 该装置包括阳极和阴极。 第一有机层设置在阳极和阴极之间。 第一有机层是包括第一有机发射材料的发射层。 该装置还包括设置在阳极和第一有机层之间的第二有机层。 第二有机层是非发射层。 第二有机层包括浓度为50〜99重量%的有机小分子空穴传输材料和浓度为0.1〜5重量%的有机小分子电子传输材料。 可能存在其他材料。

    White phosphorescent organic light emitting devices
    9.
    发明授权
    White phosphorescent organic light emitting devices 有权
    白色磷光有机发光器件

    公开(公告)号:US08513658B2

    公开(公告)日:2013-08-20

    申请号:US13062162

    申请日:2009-09-04

    IPC分类号: H01L35/24

    摘要: 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 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 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.

    摘要翻译: 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。 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。

    WHITE PHOSPHORESCENT ORGANIC LIGHT EMITTING DEVICES
    10.
    发明申请
    WHITE PHOSPHORESCENT ORGANIC LIGHT EMITTING DEVICES 有权
    白色有机有机发光装置

    公开(公告)号:US20110215309A1

    公开(公告)日:2011-09-08

    申请号:US13062162

    申请日:2009-09-04

    IPC分类号: H01L51/52

    摘要: 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.

    摘要翻译: 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。 第一有机发射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。