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公开(公告)号:US20060134460A1
公开(公告)日:2006-06-22
申请号:US11016108
申请日:2004-12-17
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)以及至少一个磷光发射体,并且其中每个共焦体的三重态能量 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:US20060063031A1
公开(公告)日:2006-03-23
申请号:US11016134
申请日:2004-12-17
CPC分类号: C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1029 , C09K2211/186 , H01L51/0081 , H01L51/5016 , H05B33/14 , Y10S428/917
摘要: An OLED device contains a layer comprising a hole transporting compound, a certain type of oxinoid compound, and a light emitting phosphorescent compound.
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公开(公告)号:US20060134461A1
公开(公告)日:2006-06-22
申请号:US11016460
申请日:2004-12-17
CPC分类号: H01L51/0087 , C07F15/0086 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1029 , C09K2211/1033 , C09K2211/1037 , C09K2211/1044 , C09K2211/1059 , C09K2211/1092 , C09K2211/185 , H01L51/0052 , H01L51/0059 , H01L51/0067 , H01L51/007 , H01L51/0071 , H01L51/008 , H01L51/5016 , H01L51/5036 , H01L51/5265 , H05B33/14
摘要: An electroluminescent device comprises a light-emitting layer containing an organometallic compound comprising a metal and a ligand that coordinates to the metal through at least four bonds as represented by Formula (1) wherein at least one is a carbon-metal bond: MX)n (1) wherein M represents a metal, X represents an independently selected atom, n≧4, at least one X is carbon, and all X are linked to form a multidentate ligand.
摘要翻译: 电致发光器件包括含有金属和配体的有机金属化合物的发光层,所述金属和配体通过如式(1)所示的至少四个键与金属配位,其中至少一个是碳 - 金属键: -line-formula description =“In-line Formulas”end =“lead”?> M X) sub>(1)<?in-line-formula 其中M表示金属,X表示独立选择的原子,n≥4,至少一个X为碳,X均连接形成多齿配体 。
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公开(公告)号:US20060063030A1
公开(公告)日:2006-03-23
申请号:US11015929
申请日:2004-12-17
CPC分类号: H05B33/14 , C09K11/06 , C09K2211/185 , C09K2211/186 , H01L51/0081 , H01L51/0085 , H01L51/5012 , Y10S428/917 , Y10T428/31507
摘要: An organic light emitting device contains a cathode, an anode, and has located there-between a light emitting layer, comprising co-hosts including a hole transporting compound and a particular aluminum chelate, together with at least one light emitting Iridium compound, wherein the Iridium compound is a tris CˆN-cyclometallated complex with a triplet energy less than or equal to the triplet energy of each of the co-hosts.
摘要翻译: 有机发光器件包含阴极,阳极,并且位于包含空穴传输化合物和特定铝螯合物的共主体的发光层与至少一种发光铱化合物之间,其中 铱化合物是具有小于或等于每个共主体的三线态能量的三线态能量的三CN-环金属化络合物。
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公开(公告)号:US20070252516A1
公开(公告)日:2007-11-01
申请号:US11412544
申请日:2006-04-27
申请人: Marina Kondakova , Denis Kondakov , Ralph Young , Christopher Brown , Kevin Klubek , Viktor Jarikov , Sheena Zuberi
发明人: Marina Kondakova , Denis Kondakov , Ralph Young , Christopher Brown , Kevin Klubek , Viktor Jarikov , Sheena Zuberi
IPC分类号: H01L51/54
CPC分类号: H01L51/5016 , H01L51/0058 , H01L51/0059 , H01L51/006 , H01L51/0067 , H01L51/0069 , H01L51/0072 , H01L51/0081 , H01L51/0085 , H01L51/5092 , H01L2251/5384
摘要: An OLED device comprises a cathode, an anode, and has therebetween a light emitting layer (LEL) comprising a phosphorescent emitting compound disposed in a host comprising a mixture of at least one electron transporting co-host and at least one hole transporting co-host, wherein there is present an electron transporting layer contiguous to the LEL on the cathode side and wherein there is present an EIL layer containing a heteroaromatic compound contiguous to the cathode.
摘要翻译: OLED器件包括阴极,阳极,并且在其间具有发光层(LEL),该发光层包括设置在包含至少一个电子传输共主体和至少一个空穴传输共主体的混合物的主体中的磷光发射化合物 其中存在与阴极侧的LEL邻接的电子传输层,并且其中存在包含与阴极相邻的杂芳族化合物的EIL层。
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公开(公告)号:US20060246315A1
公开(公告)日:2006-11-02
申请号:US11116096
申请日:2005-04-27
申请人: William Begley , Tukaram Hatwar , Joseph Deaton , Christopher Brown , Natasha Andrievsky , Marina Kondakova
发明人: William Begley , Tukaram Hatwar , Joseph Deaton , Christopher Brown , Natasha Andrievsky , Marina Kondakova
CPC分类号: H01L51/0058 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1029 , C09K2211/1044 , C09K2211/1059 , C09K2211/107 , C09K2211/1088 , C09K2211/186 , C09K2211/188 , H01L51/0052 , H01L51/0053 , H01L51/0081 , H01L51/0085 , H01L51/5016 , H01L51/5036 , H01L2251/308 , H05B33/14 , Y10S428/917
摘要: An OLED device comprises, in sequence, an anode, a light-emitting layer that comprises a phosphorescent light-emitting organometallic compound, a hole-blocking layer, and a cathode, and between the hole-blocking layer and the cathode, a further layer containing: a) a first compound that has the lowest LUMO value of the compounds in the layer, the amount being greater than or equal to 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 or equal to 90% by volume and more than 0% by volume of the layer. Such a device provides improved drive voltage.
摘要翻译: OLED器件依次包括阳极,包含磷光发光有机金属化合物,空穴阻挡层和阴极以及空穴阻挡层和阴极之间的发光层,另外的层 含有:a)层中化合物的LUMO值最低的第一化合物,其量大于或等于10体积%且小于100体积%的层; b)至少一种作为低电压电子传输材料的第二化合物,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或等于90体积%且大于0% 按层的体积计算。 这样的器件提供改进的驱动电压。
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公开(公告)号:US20070048544A1
公开(公告)日:2007-03-01
申请号:US11214176
申请日:2005-08-29
CPC分类号: C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1029 , C09K2211/1037 , C09K2211/1044 , C09K2211/1055 , C09K2211/107 , C09K2211/1092 , C09K2211/185 , C09K2211/188 , H01L51/0054 , H01L51/0055 , H01L51/0056 , H01L51/0059 , H01L51/0061 , H01L51/0079 , H01L51/008 , H01L51/0082 , H01L51/0085 , H01L51/0087 , H01L51/0089 , H01L51/5016 , H01L51/5096 , H05B33/14
摘要: An organic light-emitting device contains a cathode, an anode, and having located there-between a light-emitting layer, comprising: a) a host material including an organometallic compound represented by Formula (1): wherein: R1 through R6 each independently represent hydrogen or a substituent group, and L represents a substituent; and b) at least one phosphorescent light-emitting compound, with a triplet energy less than or equal to the triplet energy of the host material. The device provides an improved combination of low voltage and luminance efficiency.
摘要翻译: 有机发光装置包含阴极,阳极,并且位于发光层之间,包括:a)包含由式(1)表示的有机金属化合物的主体材料:其中:R 1 R 6各自独立地表示氢或取代基,L表示取代基; 和b)具有小于或等于所述主体材料的三线态能量的三线态能量的至少一种磷光发光化合物。 该器件提供了低电压和亮度效率的改进组合。
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公开(公告)号:US20050121666A1
公开(公告)日:2005-06-09
申请号:US10729208
申请日:2003-12-05
申请人: Marina Kondakova , Ralph Young
发明人: Marina Kondakova , Ralph Young
CPC分类号: H01L51/0085 , H01L51/5016 , H01L51/5096
摘要: Disclosed is an electroluminescent device comprising a cathode and an anode; and, located therebetween, a light-emitting layer (LEL) comprising a phosphorescent green-light-emitting material and a host material for the light-emitting material, and in a layer adjacent to the LEL on the anode side, an exciton-blocking layer containing a compound having a hole mobility of at least 1×10−3 cm2V−1s−1 and a triplet energy exceeding that of the green-light-emitting material of the LEL. Such a device provides useful light emission.
摘要翻译: 公开了一种包括阴极和阳极的电致发光器件; 并且位于它们之间,具有包含磷光绿色发光材料的发光层(LEL)和用于发光材料的主体材料,并且在与阳极侧的LEL相邻的层中具有激子阻挡 含有空穴迁移率为至少1×10 -3 cm 2以上的化合物的层包含至少1×10 -3 / 并且超过LEL的绿色发光材料的三重态能量。 这种装置提供有用的光发射。
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公开(公告)号:US20050123797A1
公开(公告)日:2005-06-09
申请号:US10729737
申请日:2003-12-05
申请人: Marina Kondakova , Ralph Young
发明人: Marina Kondakova , Ralph Young
CPC分类号: H01L51/5016 , H01L51/0059 , H01L51/0071 , H01L51/0081 , H01L51/0085 , H01L2251/308 , Y10S428/917
摘要: Disclosed is an electroluminescent device comprising a cathode and an anode and, located therebetween, a light-emitting layer (LEL) comprising a phosphorescent guest material, a hole- and electron-transporting host material, and an efficiency-enhancing material having an ionization potential lower than that of the host material and a triplet energy level that is lower than that of the phosphorescent guest material by no more than 0.2 eV. Such a device provides useful light emission features.
摘要翻译: 公开了一种电致发光器件,其包括阴极和阳极,并且位于其间,包含磷光客体材料,空穴和电子传输基质材料的发光层(LEL)和具有电离电位的效率增强材料 低于主体材料的三重态能级,低于磷光客体材料的三重态能级不超过0.2eV。 这种装置提供有用的发光特征。
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