公开(公告)号：US07285907B2

公开(公告)日：2007-10-23

申请号：US11211385

申请日：2005-08-24

Applicant: Brian D'Andrade ,  Mark E. Thompson ,  Stephen R. Forrest

Inventor： Brian D'Andrade ,  Mark E. Thompson ,  Stephen R. Forrest

IPC: H01L51/50 ,  H01L51/54 ,  H05B33/14

CPC classification number: C09K11/06 ,  C09K2211/1029 ,  C09K2211/1092 ,  C09K2211/185 ,  H01L51/5016 ,  H01L51/5036 ,  H01L51/5088 ,  H01L51/5096 ,  Y10S428/917 ,  Y10T428/24942

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20060134465A1

公开(公告)日：2006-06-22

申请号：US11353338

申请日：2006-02-13

Applicant: Mark Thompson ,  Xiaofan Ren ,  Vadim Adamovich ,  Steven Cordero ,  Brian D'Andrade ,  Bert Alleyne ,  Stephen Forrest

Inventor： Mark Thompson ,  Xiaofan Ren ,  Vadim Adamovich ,  Steven Cordero ,  Brian D'Andrade ,  Bert Alleyne ,  Stephen Forrest

IPC: H01L51/54 ,  H05B33/12

CPC classification number: H01L51/5096 ,  H01L51/0034 ,  H01L51/0035 ,  H01L51/0037 ,  H01L51/005 ,  H01L51/0059 ,  H01L51/0062 ,  H01L51/007 ,  H01L51/0077 ,  H01L51/0079 ,  H01L51/0081 ,  H01L51/0082 ,  H01L51/0084 ,  H01L51/0085 ,  H01L51/5016 ,  H01L51/5048 ,  Y10S428/917 ,  Y10T428/24942

Abstract: Light emitting devices having blocking layers comprising one or more metal complexes are provided. The blocking layers may serve to block electrons, holes, and/or excitons. Preferably, the devices further comprise a separate emissive layer in which charge and/or excitons are confined. Metal complexes suitable for blocking layers can be selected by comparison of HOMO and LUMO energy levels of materials comprising adjacent layers in devices of the present invention.

公开(公告)号：US09385167B2

公开(公告)日：2016-07-05

申请号：US12565115

申请日：2009-09-23

Applicant: Michael Hack ,  Julia J. Brown ,  Michael S. Weaver ,  Brian D'Andrade

Inventor： Michael Hack ,  Julia J. Brown ,  Michael S. Weaver ,  Brian D'Andrade

IPC: F21V9/00 ,  H01L27/32 ,  H01L51/50

CPC classification number: H01L27/3213 ,  H01L27/3216 ,  H01L51/5016

Abstract: A device that may be used as a multi-color pixel is provided. The device has a first organic light emitting device, a second organic light emitting device, a third organic light emitting device, and a fourth organic light emitting device. The device may be a pixel of a display having four sub-pixels. The first device may emit red light, the second device may emit green light, the third device may emit light blue light and the fourth device may emit deep blue light.

Abstract translation: 提供可用作多色像素的装置。 该器件具有第一有机发光器件，第二有机发光器件，第三有机发光器件和第四有机发光器件。 该装置可以是具有四个子像素的显示器的像素。 第一装置可以发射红光，第二装置可以发射绿光，第三装置可以发射浅蓝光，并且第四装置可以发射深蓝光。

公开(公告)号：US08778511B2

公开(公告)日：2014-07-15

申请号：US13139227

申请日：2009-10-01

Applicant: Vadim Adamovich ,  Brian D'Andrade ,  Michael S. Weaver

Inventor： Vadim Adamovich ,  Brian D'Andrade ,  Michael S. Weaver

IPC: H01L51/54

CPC classification number: H01L51/5052 ,  H01L51/002 ,  H01L51/0059 ,  H01L51/0081

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US08513658B2

公开(公告)日：2013-08-20

申请号：US13062162

申请日：2009-09-04

Applicant: Brian D'Andrade ,  James Esler ,  Vadim Adamovich

Inventor： Brian D'Andrade ,  James Esler ,  Vadim Adamovich

IPC: H01L35/24

CPC classification number: H01L51/5036 ,  H01L51/0061 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5016 ,  H01L51/5096

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US08476822B2

公开(公告)日：2013-07-02

申请号：US12257648

申请日：2008-10-24

Applicant: Brian D'Andrade

Inventor： Brian D'Andrade

IPC: H01L51/52

CPC classification number: H01L51/0002 ,  H01L51/0025 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5016 ,  H01L51/5096 ,  H01L2251/552

Abstract: An organic light emitting device is provided. The device has a first electrode, a second electrode, and an emissive layer disposed between the first and second electrodes. The emissive layer includes an emissive material with an intrinsic emission spectrum having a peak emission wavelength in the visible spectrum less than 500 nm. The device includes a color saturation enhancement layer in direct contact with the first electrode. The color saturation enhancement layer consists essentially of one or more metals or conductive doped inorganic semiconductors, and has an index of refraction at least 0.2 different from that of the organic layers. The color saturation enhancement layer has a thickness of 1-10 nm. The reflectivity of the color saturation enhancement layer is in the range 5% to 30% for the peak wavelength in the intrinsic emission spectrum of the emissive material. Preferably, the color saturation enhancement layer is disposed between the first and second electrodes.

Abstract translation: 提供有机发光装置。 该器件具有第一电极，第二电极和布置在第一和第二电极之间的发射层。 发射层包括具有在可见光谱中小于500nm的峰值发射波长的本征发射光谱的发射材料。 该装置包括与第一电极直接接触的色彩饱和度增强层。 色彩饱和度增强层基本上由一种或多种金属或导电掺杂的无机半导体组成，并且折射率与有机层的折射率至少为0.2。 色饱和度增强层的厚度为1-10nm。 对于发射材料的本征发射光谱中的峰值波长，色彩饱和度增强层的反射率在5％至30％的范围内。 优选地，色彩饱和度增强层设置在第一和第二电极之间。

公开(公告)号：US08372526B2

公开(公告)日：2013-02-12

申请号：US12174286

申请日：2008-07-16

Applicant: Brian D'Andrade

Inventor： Brian D'Andrade

IPC: H01L51/54

CPC classification number: H05B33/26 ,  C09K11/06 ,  C09K2211/1022 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1092 ,  C09K2211/185 ,  H01L27/3209 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5278

Abstract: A device is provided, having an anode, a cathode, and an intermediate connector disposed between the anode and the cathode. A first organic layer including an emissive sublayer is disposed between the anode and the intermediate connector, and a second including an emissive sublayer is disposed between the intermediate connector and the cathode. The intermediate connector includes a first metal having a work function lower than 4.0 eV and a second metal having a work function lower than 5.0 eV. The work function of the first metal is at least 0.5 eV less than the work function of the second metal. The first metal is in contact with a sublayer of the second organic layer that includes a material well adapted to receive holes from a low work function metal.

Abstract translation: 提供一种具有阳极，阴极和设置在阳极和阴极之间的中间连接器的装置。 包括发射子层的第一有机层设置在阳极和中间连接器之间，并且包括发射子层的第二有机层设置在中间连接器和阴极之间。 中间连接器包括具有低于4.0eV的功函数的第一金属和功函数低于5.0eV的第二金属。 第一金属的功函比第二金属的功函数小至少0.5eV。 第一金属与第二有机层的子层接触，该第二有机层的子层包括适于从低功函数金属接收孔的材料。

公开(公告)号：US08040053B2

公开(公告)日：2011-10-18

申请号：US12332945

申请日：2008-12-11

Applicant: Brian D'Andrade ,  James Esler

Inventor： Brian D'Andrade ,  James Esler

IPC: H01J1/62

CPC classification number: H01L51/5036

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20110215309A1

公开(公告)日：2011-09-08

申请号：US13062162

申请日：2009-09-04

Applicant: Brian D'Andrade ,  James Esler ,  Vadim Adamovich

Inventor： Brian D'Andrade ,  James Esler ,  Vadim Adamovich

IPC: H01L51/52

CPC classification number: H01L51/5036 ,  H01L51/0061 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5016 ,  H01L51/5096

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US07800295B2

公开(公告)日：2010-09-21

申请号：US11521431

申请日：2006-09-15

Applicant: Brian D'Andrade ,  Mike Weaver

Inventor： Brian D'Andrade ,  Mike Weaver

IPC: H01L51/50 ,  H05B33/14 ,  H05B33/00

CPC classification number: H01L27/3209 ,  H01L51/5036 ,  H01L51/5265

Abstract: The present invention provides OLEDs incorporating microcavities. By combining a microcavity with a non-microcavity emissive layer, improved saturation and luminance may be achieved. OLEDs incorporating microcavities according to the invention may be used to produce white light, and as sub-pixels in full-color displays.

Abstract translation: 本发明提供了结合微腔的OLED。 通过将微腔与非微腔发射层组合，可以实现改善的饱和度和亮度。 根据本发明的结合微腔的OLED可以用于产生白光，并且可以用作全色显示器中的子像素。