公开(公告)号：US07466074B2

公开(公告)日：2008-12-16

申请号：US11548893

申请日：2006-10-12

申请人： Keiji Okinaka ,  Naoki Yamada ,  Akihito Saitoh

发明人： Keiji Okinaka ,  Naoki Yamada ,  Akihito Saitoh

IPC分类号： H01J1/62

CPC分类号： H01L51/5012 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/5048

摘要： In an organic light-emitting device which uses, in particular, a light-emitting layer material having a wide band gap, a lowering in emission intensity due to continuous driving is alleviated while maintaining a high emission efficiency. There is provided an organic light-emitting device in which a hole-transporting layer contains a second component in addition to a main component; an energy of a lowest triplet excited state of the second component is less than an energy of a lowest triplet excited state of the main component of the hole-transporting layer; a lowest unoccupied molecular orbital energy of the second component is higher than a lowest unoccupied molecular orbital energy of the main component of a light-emitting layer; and the second component has an energy gap of 2.7 eV or more.

摘要翻译： 在特别使用具有宽带隙的发光层材料的有机发光装置中，由于连续驱动而导致的发光强度降低，同时保持高的发光效率。 提供除了主要成分之外，空穴传输层包含第二成分的有机发光器件; 第二成分的最低三重激发态的能量小于空穴传输层的主要成分的最低三重态激发态的能量; 第二组分的最低未占分子轨道能量高于发光层的主要成分的最低未占分子轨道能量; 第二成分的能隙为2.7eV以上。

公开(公告)号：US20070205713A1

公开(公告)日：2007-09-06

申请号：US11548893

申请日：2006-10-12

申请人： Keiji Okinaka ,  Naoki Yamada ,  Akihito Saitoh

发明人： Keiji Okinaka ,  Naoki Yamada ,  Akihito Saitoh

IPC分类号： H05B33/00

CPC分类号： H01L51/5012 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/5048

摘要： In an organic light-emitting device which uses, in particular, a light-emitting layer material having a wide band gap, a lowering in emission intensity due to continuous driving is alleviated while maintaining a high emission efficiency. There is provided an organic light-emitting device in which a hole-transporting layer contains a second component in addition to a main component; an energy of a lowest triplet excited state of the second component is less than an energy of a lowest triplet excited state of the main component of the hole-transporting layer; a lowest unoccupied molecular orbital energy of the second component is higher than a lowest unoccupied molecular orbital energy of the main component of a light-emitting layer; and the second component has an energy gap of 2.7 eV or more.

摘要翻译： 在特别使用具有宽带隙的发光层材料的有机发光装置中，由于连续驱动而导致的发光强度降低，同时保持高的发光效率。 提供除了主要成分之外，空穴传输层包含第二成分的有机发光器件; 第二成分的最低三重激发态的能量小于空穴传输层的主要成分的最低三重态激发态的能量; 第二组分的最低未占分子轨道能量高于发光层的主要成分的最低未占分子轨道能量; 第二成分的能隙为2.7eV以上。

公开(公告)号：US08227094B2

公开(公告)日：2012-07-24

申请号：US12103162

申请日：2008-04-15

申请人： Keiji Okinaka ,  Masataka Yashima ,  Akihito Saitoh ,  Naoki Yamada

发明人： Keiji Okinaka ,  Masataka Yashima ,  Akihito Saitoh ,  Naoki Yamada

IPC分类号： H01L51/54

CPC分类号： H05B33/20 ,  C09B1/00 ,  C09B57/00 ,  C09B57/001 ,  C09B57/008 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1044 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/5012 ,  H01L2251/308 ,  H01L2251/552 ,  Y10S428/917

摘要： Provided is an organic electroluminescent device for emitting blue light, which has high luminous efficiency and good drive durability. This organic electroluminescent device for emitting blue light includes an anode 2, a cathode 6, and a layer which contains an organic compound interposed between the anode 2 and the cathode 6, the layer which contains an organic compound including at least a light-emitting layer 4, wherein the light-emitting layer 4 contains a bipolar host having a hole mobility and an electron mobility of 10−4 cm2/Vs or greater, a light-emitting dopant and a carrier trapping dopant, and the light-emitting dopant energy gap EgB, the bipolar host energy gap Egh, and the carrier trapping dopant energy gap Egd are such that Egd>Egh>EgB.

摘要翻译： 本发明提供一种发光蓝色光的有机电致发光元件，其发光效率高，驱动耐久性良好。 用于发射蓝光的这种有机电致发光器件包括阳极2，阴极6和包含介于阳极2和阴极6之间的有机化合物的层，该层包含至少包含发光层的有机化合物 如图4所示，其中发光层4包含具有10 -4 cm 2 / Vs以上的空穴迁移率和电子迁移率的双极性主体，发光掺杂剂和载流子捕获掺杂剂，并且发光掺杂剂能隙 EgB，双极主能隙Egh和载流子俘获掺杂剂能隙Egd是Egd> Egh> EgB。

公开(公告)号：US07604873B2

公开(公告)日：2009-10-20

申请号：US11175206

申请日：2005-07-07

申请人： Keiji Okinaka ,  Akihito Saitoh ,  Naoki Yamada ,  Masataka Yashima ,  Koichi Suzuki ,  Akihiro Senoo ,  Kazunori Ueno

发明人： Keiji Okinaka ,  Akihito Saitoh ,  Naoki Yamada ,  Masataka Yashima ,  Koichi Suzuki ,  Akihiro Senoo ,  Kazunori Ueno

IPC分类号： H01L51/54

CPC分类号： H01L51/5012 ,  Y10S428/917 ,  Y10T428/24942

摘要： It is an object of the present invention to provide an organic light emitting device having a long-life optical output. The organic light emitting device according to the present invention is provided with an emission layer including at least a host material, a light emitting material, and another material, wherein the another material has a smaller ionization potential than and almost the same hole mobility as or a greater hole mobility than an ionization potential and a hole mobility of a compound which forms an emission layer-side-interface.

摘要翻译： 本发明的目的是提供一种具有长寿命光输出的有机发光器件。 根据本发明的有机发光器件设置有至少包括主体材料，发光材料和另一种材料的发射层，其中另一种材料具有比或几乎相同的空穴迁移率或几乎相同的电离电位 比形成发射层侧界面的化合物的电离电位和空穴迁移率更大的空穴迁移率。

公开(公告)号：US20050236977A1

公开(公告)日：2005-10-27

申请号：US11102668

申请日：2005-04-11

申请人： Naoki Yamada ,  Akihito Saitoh ,  Keiji Okinaka ,  Koichi Suzuki ,  Akihiro Senoo

发明人： Naoki Yamada ,  Akihito Saitoh ,  Keiji Okinaka ,  Koichi Suzuki ,  Akihiro Senoo

IPC分类号： H01L51/50 ,  C07C13/465 ,  C07C13/567 ,  C07C13/66 ,  C07C211/54 ,  C07C211/61 ,  C07C255/49 ,  C07F7/08 ,  C09K11/06 ,  H01J1/62 ,  H01J63/04 ,  H01L51/00 ,  H05B33/14 ,  H05B33/22

CPC分类号： C07C13/567 ,  C07C211/61 ,  C09K11/06 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/1037 ,  C09K2211/1048 ,  C09K2211/1059 ,  C09K2211/1088 ,  C09K2211/185 ,  C09K2211/186 ,  C09K2211/188 ,  H01L51/0039 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/5012 ,  H01L51/5048 ,  H01L2251/308 ,  H05B33/14 ,  Y10S428/917

摘要： A novel substituted fluorene compound is provided which is represented by the general formula [I]:

摘要翻译： 提供了由通式[I]表示的新型取代的芴化合物：

公开(公告)号：US20080268285A1

公开(公告)日：2008-10-30

申请号：US12103162

申请日：2008-04-15

申请人： Keiji Okinaka ,  Masataka Yashima ,  Akihito Saitoh ,  Naoki Yamada

发明人： Keiji Okinaka ,  Masataka Yashima ,  Akihito Saitoh ,  Naoki Yamada

IPC分类号： H05B33/14

CPC分类号： H05B33/20 ,  C09B1/00 ,  C09B57/00 ,  C09B57/001 ,  C09B57/008 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1044 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/5012 ,  H01L2251/308 ,  H01L2251/552 ,  Y10S428/917

摘要： Provided is an organic electroluminescent device for emitting blue light, which has high luminous efficiency and good drive durability. This organic electroluminescent device for emitting blue light includes an anode 2, a cathode 6, and a layer which contains an organic compound interposed between the anode 2 and the cathode 6, the layer which contains an organic compound including at least a light-emitting layer 4, wherein the light-emitting layer 4 contains a bipolar host having a hole mobility and an electron mobility of 10−4 cm2/s or greater, a light-emitting dopant and a carrier trapping dopant, and the light-emitting dopant energy gap EgB, the bipolar host energy gap Egh, and the carrier trapping dopant energy gap Egd are such that Egd>Egh>EgB.

摘要翻译： 本发明提供一种发光蓝色光的有机电致发光元件，其发光效率高，驱动耐久性良好。 用于发射蓝光的这种有机电致发光器件包括阳极2，阴极6和包含介于阳极2和阴极6之间的有机化合物的层，该层包含至少包含发光层的有机化合物 如图4所示，其中发光层4包含具有空穴迁移率和电子迁移率为10 -4 cm 2 / s以上的双极主体，发光 掺杂剂和载流子俘获掺杂剂，以及发光掺杂剂能隙E BAT，双极性主体能隙E gh，以及载流子俘获掺杂剂能隙E _{gd 是这样的，例如，G g E gB 。}

公开(公告)号：US20070029539A1

公开(公告)日：2007-02-08

申请号：US11459571

申请日：2006-07-24

申请人： MASATAKA YASHIMA ,  Keiji Okinaka ,  Akihito Saitoh ,  Naoki Yamada ,  Toshinori Hasegawa

发明人： MASATAKA YASHIMA ,  Keiji Okinaka ,  Akihito Saitoh ,  Naoki Yamada ,  Toshinori Hasegawa

IPC分类号： H01L29/06

CPC分类号： H01L51/5262 ,  H01L27/3211 ,  H01L51/5265

摘要： There is provided a light-emitting element array having a plurality of light-emitting elements of different emission colors each comprising a light extraction electrode, a reflecting electrode, and an organic layer disposed between the electrodes, said organic layer comprising a light-emitting layer and a carrier-transporting layer disposed between the light-emitting layer and the reflecting electrode, wherein the geometrical distances between the reflecting electrode and light-emitting layer are the same irrespective of the emission color, and the specific relational equations (1), (2), and (3) are satisfied.

摘要翻译： 提供了一种发光元件阵列，其具有多个发光颜色不同的发光元件，每个发光元件均包括光提取电极，反射电极和设置在电极之间的有机层，所述有机层包括发光层 以及布置在发光层和反射电极之间的载流子传输层，其中反射电极和发光层之间的几何距离与发射颜色无关，并且具体的关系式（1），（ 2），（3）。

公开(公告)号：US20060113528A1

公开(公告)日：2006-06-01

申请号：US11274140

申请日：2005-11-16

申请人： Keiji Okinaka ,  Masataka Yashima ,  Akihito Saitoh ,  Naoki Yamada ,  Akihiro Senoo ,  Kazunori Ueno

发明人： Keiji Okinaka ,  Masataka Yashima ,  Akihito Saitoh ,  Naoki Yamada ,  Akihiro Senoo ,  Kazunori Ueno

IPC分类号： H01L29/08

CPC分类号： H01L51/0058 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1048 ,  C09K2211/1088 ,  C09K2211/1092 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/006 ,  H01L51/5012 ,  H05B33/14 ,  Y10S428/917

摘要： An organic light-emitting device is provided which has an optical output with a high efficiency, a high luminance and a long life and which includes a pair of electrodes including an anode and a cathode, and at least one layer comprising an organic compound provided between the pair of electrodes, wherein at least one layer having a light-emitting region of the at least one layer comprising the organic compound comprises a first compound represented by the general formula (1): and a second compound having a bandgap larger than a bandgap of the first compound.

摘要翻译： 提供一种有机发光装置，其具有高效率，高亮度和长寿命的光学输出，并且包括一对包括阳极和阴极的电极，以及至少一层包含有机化合物的层， 所述一对电极，其中具有包含所述有机化合物的所述至少一层的发光区域的至少一层包含由通式（1）表示的第一化合物：和具有大于带隙的带隙的第二化合物 的第一种化合物。

公开(公告)号：US20060017376A1

公开(公告)日：2006-01-26

申请号：US11175206

申请日：2005-07-07

申请人： Keiji Okinaka ,  Akihito Saitoh ,  Naoki Yamada ,  Masataka Yashima ,  Koichi Suzuki ,  Akihiro Senoo ,  Kazunori Ueno

发明人： Keiji Okinaka ,  Akihito Saitoh ,  Naoki Yamada ,  Masataka Yashima ,  Koichi Suzuki ,  Akihiro Senoo ,  Kazunori Ueno

IPC分类号： H05B33/12

CPC分类号： H01L51/5012 ,  Y10S428/917 ,  Y10T428/24942

摘要： It is an object of the present invention to provide an organic light emitting device having a long-life optical output. The organic light emitting device according to the present invention is provided with an emission layer including at least a host material, a light emitting material, and another material, wherein the another material has a smaller ionization potential than and almost the same hole mobility as or a greater hole mobility than an ionization potential and a hole mobility of a compound which forms an emission layer-side-interface.

公开(公告)号：US20120075171A1

公开(公告)日：2012-03-29

申请号：US13232287

申请日：2011-09-14

申请人： Masashi Hashimoto ,  Jun Kamatani ,  Kenichi Ikari ,  Akihito Saitoh

发明人： Masashi Hashimoto ,  Jun Kamatani ,  Kenichi Ikari ,  Akihito Saitoh

IPC分类号： G09G3/32 ,  H01L27/32 ,  H01L51/54 ,  C07D333/76 ,  C07D409/14

CPC分类号： C07D333/76 ,  C07D409/14 ,  H01L27/3244 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/0087 ,  H01L51/5016 ,  H01L51/5096

摘要： An aspect of the present invention provides the dibenzothiophene compound expressed by General Formula 1 in Claim 1. In General Formula 1, R1 is either a hydrogen atom or an unsubstituted phenyl group, and Ar1 is any of phenanthrenyl, fluorenyl, triphenylenyl, naphthyl, chrysenyl, and pyrenyl groups. The options for the Ar1 substituents, namely the phenanthrenyl, fluorenyl, triphenylenyl, naphthyl, chrysenyl, and pyrenyl groups, may contain at least one of an alkyl group having one to four carbon atoms and an aryl group as a substituent.

摘要翻译： 本发明的一个方面提供了权利要求1中通式1表示的二苯并噻吩化合物。在通式1中，R 1为氢原子或未取代的苯基，Ar 1为菲基，芴基，三苯基，萘基， 和芘基。 Ar 1取代基的选择，即菲基，芴基，三苯基，萘基，氯苯基和芘基可以含有至少一个具有1-4个碳原子的烷基和芳基作为取代基。