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公开(公告)号:US07597967B2
公开(公告)日:2009-10-06
申请号:US11016108
申请日:2004-12-17
IPC分类号: H01L51/54
CPC分类号: H01L51/5016 , C09K11/06 , C09K2211/1007 , C09K2211/1014 , C09K2211/1022 , C09K2211/1044 , C09K2211/1059 , C09K2211/1074 , C09K2211/1077 , C09K2211/185 , H01L51/0054 , H01L51/0059 , H01L51/0067 , H01L51/0069 , H01L51/007 , H01L51/0085 , H01L51/0087 , Y10S428/917
摘要: An electroluminescent device comprises a cathode and an anode; and, located therebetween, a light-emitting layer (LEL) comprising at least one hole transporting co-host and at least one electron transporting co-host, together with at least one phosphorescent emitter, and wherein the triplet energy of each of the co-host materials is greater than the triplet energy of the phosphorescent emitter, and further containing an exciton blocking layer comprising a hole transporting material with triplet energy greater or equal to 2.5 eV adjacent the emitting layer on the anode side. The invention provides devices that emit light with high luminous efficiency at low voltage.
摘要翻译: 电致发光器件包括阴极和阳极; 并且其间位于其间,包含至少一个空穴传输共主体和至少一个电子传输共主体的发光层(LEL)与至少一个磷光发射体一起,并且其中每个共聚物的三重态能量 主体材料大于磷光发射体的三重态能量,并且还包含激子阻挡层,其包含邻近阳极侧的发光层的三重态能量大于或等于2.5eV的空穴传输材料。 本发明提供了在低电压下发光效率高的装置。
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公开(公告)号:US08147989B2
公开(公告)日:2012-04-03
申请号:US12394935
申请日:2009-02-27
申请人: Marina E. Kondakova , Kevin P. Klubek , Margaret J. Helber , Peter G. Bessey , J. Ramon Vargas , Michele L. Ricks
发明人: Marina E. Kondakova , Kevin P. Klubek , Margaret J. Helber , Peter G. Bessey , J. Ramon Vargas , Michele L. Ricks
IPC分类号: H01L51/50
CPC分类号: H05B33/20 , C09K11/06 , C09K2211/1014 , C09K2211/185 , H01L51/0059 , H01L51/5012 , H05B33/14 , Y10S428/917
摘要: The invention provides an OLED device including an anode, a cathode and a green light-emitting layer located therebetween, said light-emitting layer including an anthracene host, a bis-diarylamine 9,10-substituted anthracene and a stabilizer compound which is selected from a quinacridone or a biphenylstyrylamine. Devices of the invention provide improvement in features such as stability and efficiency while maintaining excellent color.
摘要翻译: 本发明提供了一种OLED器件,包括阳极,阴极和位于其间的绿色发光层,所述发光层包括蒽主体,双 - 二芳基胺9,10-取代蒽和稳定剂化合物,其选自 喹吖啶酮或联苯基苯乙烯胺。 本发明的装置提供诸如稳定性和效率之类的特征的改进,同时保持优异的颜色。
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公开(公告)号:US20100219748A1
公开(公告)日:2010-09-02
申请号:US12394935
申请日:2009-02-27
申请人: Marina E. Kondakova , Kevin P. Klubek , Margaret J. Helber , Peter G. Bessey , J. R. Vargas , Michele L. Ricks
发明人: Marina E. Kondakova , Kevin P. Klubek , Margaret J. Helber , Peter G. Bessey , J. R. Vargas , Michele L. Ricks
IPC分类号: H01J1/63
CPC分类号: H05B33/20 , C09K11/06 , C09K2211/1014 , C09K2211/185 , H01L51/0059 , H01L51/5012 , H05B33/14 , Y10S428/917
摘要: The invention provides an OLED device including an anode, a cathode and a green light-emitting layer located therebetween, said light-emitting layer including an anthracene host, a bis-diarylamine 9,10-substituted anthracene and a stabilizer compound which is selected from a quinacridone or a biphenylstyrylamine. Devices of the invention provide improvement in features such as stability and efficiency while maintaining excellent color.
摘要翻译: 本发明提供了一种OLED器件,包括阳极,阴极和位于其间的绿色发光层,所述发光层包括蒽主体,双 - 二芳基胺9,10-取代蒽和稳定剂化合物,其选自 喹吖啶酮或联苯基苯乙烯胺。 本发明的装置提供诸如稳定性和效率之类的特征的改进,同时保持优异的颜色。
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公开(公告)号:US20080284318A1
公开(公告)日:2008-11-20
申请号:US11749899
申请日:2007-05-17
申请人: Joseph C. Deaton , Denis Y. Kondakov , Marina E. Kondakava , Kevin P. Klubek , Dustin L. Comfort
发明人: Joseph C. Deaton , Denis Y. Kondakov , Marina E. Kondakava , Kevin P. Klubek , Dustin L. Comfort
IPC分类号: H01J1/62
CPC分类号: H01L51/5044 , H01L51/0079 , H01L51/008 , H01L51/0081 , H01L51/0085 , H01L51/5016 , H01L2251/5376
摘要: An electroluminescent device comprises a) a fluorescent light emitting layer comprising a fluorescent emitter and a fluorescent host material wherein the HOMO energy level of the fluorescent host material is not more than 0.1 eV more negative than that of the fluorescent emitter; b) a phosphorescent light emitting layer comprising a phosphorescent emitter and a phosphorescent host material; and c) a spacer layer interposed between the fluorescent light emitting layer and the phosphorescent light emitting layer; wherein the triplet energy of the fluorescent host material is not more than 0.2 eV less than the triplet energy of both the spacer layer material and of the phosphorescent host material. The materials within these layers are selected so that the HOMO and triplet energy levels satisfy certain interrelationships. The invention provides devices that emit light with high luminous efficiency.
摘要翻译: 一种电致发光器件包括:a)包含荧光发射体和荧光主体材料的荧光发光层,其中荧光主体材料的HOMO能级不比荧光发射体的阴离子多0.1eV; b)包含磷光发射体和磷光主体材料的磷光发光层; 以及c)插入在荧光发光层和磷光发光层之间的间隔层; 其中所述荧光主体材料的三重态能量比所述间隔层材料和所述磷光主体材料的三线态能量小不超过0.2eV。 选择这些层内的材料,使得HOMO和三重态能级满足某些相互关系。 本发明提供发光效率高的装置。
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公开(公告)号:US20080284317A1
公开(公告)日:2008-11-20
申请号:US11749875
申请日:2007-05-17
IPC分类号: H01J1/63
CPC分类号: H01L51/5036
摘要: An organic light-emitting device (OLED) including an anode; a cathode; a blue light-emitting layer disposed between the anode and the cathode and includes at least one blue host and at least one fluorescent blue dopant; a first light-emitting layer disposed between the anode and the blue light-emitting layer, including a first phosphorescent dopant and a host; and a second light-emitting layer disposed between the blue light-emitting layer and the cathode, including a second phosphorescent dopant and a host.
摘要翻译: 一种包括阳极的有机发光器件(OLED); 阴极 布置在阳极和阴极之间的蓝色发光层,包括至少一个蓝色主体和至少一种荧光蓝色掺杂剂; 设置在阳极和蓝色发光层之间的第一发光层,包括第一磷光掺杂剂和主体; 以及设置在蓝色发光层和阴极之间的第二发光层,包括第二磷光掺杂剂和主体。
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公开(公告)号:US08956738B2
公开(公告)日:2015-02-17
申请号:US12573175
申请日:2009-10-05
申请人: William J. Begley , Tukaram K. Hatwar , Liang-Sheng Liao , Kevin P. Klubek , Manju Rajeswaran , Natasha Andrievsky
发明人: William J. Begley , Tukaram K. Hatwar , Liang-Sheng Liao , Kevin P. Klubek , Manju Rajeswaran , Natasha Andrievsky
CPC分类号: H01L51/0058 , H01L51/0052 , H01L51/0056 , H01L51/0059 , H01L51/0071 , H01L51/0072 , H01L51/0077 , H01L51/008 , H01L51/0081 , H01L51/5048 , H01L2251/308 , Y10S428/917 , Y10T428/265 , Y10T428/31504
摘要: An OLED device including a cathode, a light emitting layer and an anode, in that order, and, having located between the cathode and the light emitting layer, a further layer containing an alkali metal or alkaline earth metal salt of a 2-(2-hydroxyphenyl)phenanthroline derivative, according to Formula (MC) below. Such devices exhibit reduced drive voltage while maintaining good luminance.
摘要翻译: 一种包括阴极,发光层和阳极的OLED器件,依次具有位于阴极和发光层之间的另一层,该层含有2-(2)的碱金属或碱土金属盐 - 羟基苯基)菲咯啉衍生物,根据下式(MC)。 这样的器件在保持良好亮度的同时表现出降低的驱动电压。
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公开(公告)号:US07733009B2
公开(公告)日:2010-06-08
申请号:US11412426
申请日:2006-04-27
CPC分类号: C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1022 , C09K2211/1033 , C09K2211/1037 , C09K2211/104 , C09K2211/1044 , C09K2211/1059 , C09K2211/1088 , C09K2211/185 , H01L51/0052 , H01L51/0054 , H01L51/0059 , H01L51/006 , H01L51/0067 , H01L51/0071 , H01L51/0073 , H01L51/008 , H01L51/0081 , H01L51/5048 , H01L51/5092 , H01L2251/308 , H05B33/14 , Y10S428/917
摘要: An electroluminescent device comprises a cathode, an anode, and has therebetween a light emitting layer (LEL), the device further containing an electron transport layer (ETL) on the cathode side of the LEL and an organic electron injection layer (EIL) contiguous to the ETL on the cathode side, wherein the ETL contains a monoanthracene compound bearing aromatic groups in the 2-, 9-, and 10-positions.
摘要翻译: 电致发光器件包括阴极和阳极,并且在其间具有发光层(LEL),该器件还包含在LEL的阴极侧上的电子传输层(ETL)和与LEL相邻的有机电子注入层(EIL) ETL在阴极侧,其中ETL含有在2-,9-和10-位具有芳族基团的单蒽化合物。
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公开(公告)号:US20090091242A1
公开(公告)日:2009-04-09
申请号:US11867707
申请日:2007-10-05
申请人: Liang-Sheng Liao , Kevin P. Klubek
发明人: Liang-Sheng Liao , Kevin P. Klubek
IPC分类号: H01L51/52
CPC分类号: H01L51/5088 , H01L51/006 , H01L51/0072 , H01L51/0081 , H01L2251/554
摘要: An OLED including an anode; a cathode; a hole-injecting layer disposed over the anode, wherein the hole-injecting layer includes a first organic material with a reduction potential greater than −0.1 V and a lesser amount by volume of a second material with an oxidation potential less than 0.7 V, and wherein the second material does not include metal complexes; a hole-transporting layer disposed over the hole-injecting layer; a light-emitting layer disposed between the hole-transporting layer and the cathode; and an electron-transporting layer disposed between the light-emitting layer and the cathode.
摘要翻译: 包括阳极的OLED; 阴极 设置在所述阳极上的空穴注入层,其中所述空穴注入层包括具有大于-0.1V的还原电位的第一有机材料和具有小于0.7V的氧化电位的较小体积的第二材料,以及 其中所述第二材料不包括金属络合物; 设置在空穴注入层上的空穴传输层; 设置在空穴传输层和阴极之间的发光层; 以及设置在发光层和阴极之间的电子传输层。
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公开(公告)号:US07273663B2
公开(公告)日:2007-09-25
申请号:US10922606
申请日:2004-08-20
IPC分类号: H01L51/50
CPC分类号: H01L51/5278 , H01L51/5036 , Y10S428/917 , Y10T428/24942
摘要: A tandem white OLED device includes an anode, a cathode, and a plurality of organic electroluminescence units disposed between the anode and the cathode, wherein each organic electroluminescence unit includes at least one light-emitting layer, and wherein each organic electroluminescence unit emits white light. The device also includes an intermediate connector disposed between each adjacent organic electroluminescence unit, wherein the intermediate connector includes at least two different layers, and wherein the intermediate connector has no direct connection to an external power source.
摘要翻译: 串联白色OLED器件包括阳极,阴极和设置在阳极和阴极之间的多个有机电致发光单元,其中每个有机电致发光单元包括至少一个发光层,并且其中每个有机电致发光单元发射白光 。 该装置还包括设置在每个相邻的有机电致发光单元之间的中间连接器,其中中间连接器包括至少两个不同的层,并且其中中间连接器不直接连接到外部电源。
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公开(公告)号:US06919140B2
公开(公告)日:2005-07-19
申请号:US10617319
申请日:2003-07-10
CPC分类号: C09K11/06 , C09K2211/1029 , H01L51/0059 , H01L51/006 , H01L51/0061 , H01L51/0067 , H01L51/0071 , H01L51/0072 , H01L51/0073 , H01L51/0074 , H01L51/0081 , H01L51/5048 , H01L2251/308 , H05B33/14 , Y10S428/917
摘要: A multilayer electroluminescent device comprising a cathode, an anode, a light emitting layer, and a layer disposed between the cathode and anode containing a dihydrophenazine compound is disclosed.
摘要翻译: 公开了一种包括阴极,阳极,发光层以及设置在含有二氢吩嗪化合物的阴极和阳极之间的层的多层电致发光器件。
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