公开(公告)号：US08389131B2

公开(公告)日：2013-03-05

申请号：US13255193

申请日：2010-03-24

申请人： Takahiro Kai ,  Masaki Komori ,  Toshihiro Yamamoto ,  Megumi Matsumoto

发明人： Takahiro Kai ,  Masaki Komori ,  Toshihiro Yamamoto ,  Megumi Matsumoto

IPC分类号： H01L51/50

CPC分类号： H01L51/0072 ,  C07D487/04 ,  C07D487/22 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/1037 ,  C09K2211/1059 ,  H01L51/0067 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5016 ,  H05B33/14

摘要： Provided is an organic electroluminescent device (organic EL device), in which the luminous efficiency of the device is improved, driving stability is sufficiently ensured, and the construction of the device is simple. This organic EL device is an organic electroluminescent device, including a light-emitting layer between an anode and a cathode laminated on a substrate, in which the light-emitting layer contains a phosphorescent light-emitting dopant and an indolocarbazole compound as a host material. Examples of the indolocarbazole compound include a compound represented by the following formula (1). It should be noted that in the formulae: a ring A and a ring B are represented by the formulae (1a) and (1b), respectively; Ar's each represent an aromatic hydrocarbon group or an aromatic heterocyclic group; R's each represent a hydrogen atom, an alkyl group, or a cycloalkyl group; X represents a methine group or a nitrogen atom; A represents an aromatic hydrocarbon group, an alkyl group, a cycloalkyl group, or a group represented by the formula (1c); and n represents 0 or 1.

摘要翻译： 提供了一种有机电致发光器件（有机EL器件），其中器件的发光效率提高，充分确保了驱动稳定性，并且器件的构造简单。 这种有机EL器件是一种有机电致发光器件，其包括层叠在基板上的阳极和阴极之间的发光层，其中发光层含有磷光发光掺杂剂和作为主体材料的吲哚咔唑化合物。 吲哚咔唑化合物的实例包括由下式（1）表示的化合物。 应该注意的是，在下式中：环A和环B分别由式（1a）和（1b）表示： Ar各自表示芳香族烃基或芳香族杂环基; R各自表示氢原子，烷基或环烷基; X表示次甲基或氮原子; A表示芳香族烃基，烷基，环烷基或式（1c）所示的基团。 n表示0或1。

公开(公告)号：US20120001165A1

公开(公告)日：2012-01-05

申请号：US13256363

申请日：2010-03-25

申请人： Masaki Komori ,  Takahiro Kai ,  Toshihiro Yamamoto

发明人： Masaki Komori ,  Takahiro Kai ,  Toshihiro Yamamoto

IPC分类号： H01L51/54 ,  C07D487/04

CPC分类号： C07D487/04 ,  C07D403/14 ,  C09K11/06 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/1037 ,  C09K2211/1044 ,  C09K2211/1059 ,  H01L51/0058 ,  H01L51/0072 ,  H01L51/5016 ,  H05B33/14 ,  Y10S428/917

摘要： Provided is an organic electroluminescent device (organic EL device), which has improved luminous efficiency, has sufficient driving stability, and has a simple construction. The organic EL device of the present invention is an organic electroluminescent device, including a light-emitting layer and a hole-transporting layer between an anode and a cathode laminated on a substrate, in which the light-emitting layer contains a phosphorescent light-emitting dopant and an indolocarbazole compound that serves as a host material, or alternatively, the hole-transporting layer contains an indolocarbazole compound. The indolocarbazole compound is represented by the following formula (1). In the formula: A1's each represent an aromatic hydrocarbon group or an aromatic heterocyclic group, provided that at least one of A1's has a fused ring structure; and R1's each represent a hydrogen atom, an alkyl group, an alkoxy group, or an acyl group.

摘要翻译： 提供了一种有机电致发光器件（有机EL器件），其具有改善的发光效率，具有足够的驱动稳定性，并且具有简单的结构。 本发明的有机EL元件是有机电致发光器件，其包括层叠在基板上的阳极和阴极之间的发光层和空穴传输层，其中发光层含有磷光发光 掺杂剂和用作主体材料的吲哚咔唑化合物，或者空穴传输层含有吲哚并咔唑化合物。 吲哚咔唑化合物由下式（1）表示。 式中，A1表示芳香族烃基或芳香族杂环基，只要A1的至少一方具有稠环结构即可。 并且R 1各自表示氢原子，烷基，烷氧基或酰基。

公开(公告)号：US20110062429A1

公开(公告)日：2011-03-17

申请号：US12991129

申请日：2009-04-30

申请人： Takahiro Kai ,  Masaki Komori ,  Toshihiro Yamamoto

发明人： Takahiro Kai ,  Masaki Komori ,  Toshihiro Yamamoto

IPC分类号： H01L51/54 ,  C07D487/04 ,  C07D471/04 ,  C07D471/14

CPC分类号： C09K11/06 ,  C07D487/04 ,  C09B47/00 ,  C09B57/00 ,  C09B57/10 ,  C09B67/0033 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/185 ,  H01L51/0072 ,  H01L51/5016 ,  H05B33/20 ,  Y10S428/917

摘要： Disclosed is an organic electroluminescent device (organic EL device) that is improved in the luminous efficiency, fully secured of the driving stability, and of a simple structure and also disclosed is a compound for organic EL device useful for the said device. The compound for organic EL device is, for example, an indolocarbazole derivative represented by the following general formula (3). The organic EL device comprises a light-emitting layer disposed between an anode and a cathode piled one upon another on a substrate and the said light-emitting layer comprises a phosphorescent dopant and the aforementioned indolocarbazole derivative as a host material. In general formula (3), L is an aromatic heterocyclic group of a fused-ring structure with a valence of (n+1), Ar1 to Ar3 each is an alkyl group, an aralkyl group, or a substituted or unsubstituted aromatic hydrocarbon or aromatic heterocyclic group, and n is an integer of 0-5.

摘要翻译： 公开了提高发光效率的有机电致发光器件（有机EL器件），完全确保了驱动稳定性，并且具有简单的结构，并且还公开了一种用于所述器件的有机EL器件的化合物。 有机EL元件用化合物为例如下述通式（3）表示的吲哚咔唑衍生物。 有机EL器件包括设置在基板上彼此堆叠的阳极和阴极之间的发光层，并且所述发光层包含磷光掺杂剂和前述的吲哚并咔唑衍生物作为主体材料。 通式（3）中，L为（n + 1）化合价的稠环结构的芳香族杂环基，Ar 1〜Ar 3分别为烷基，芳烷基或取代或未取代的芳香族烃，或 芳香族杂环基，n为0〜5的整数。

公开(公告)号：US20130112952A1

公开(公告)日：2013-05-09

申请号：US13640000

申请日：2010-04-28

申请人： Vadim Adamovich ,  Michael Weaver ,  Raymond Kwong ,  Chuanjun Xia ,  Bert Alleyne ,  Takahiro Kai ,  Masaki Komori ,  Toshihiro Yamamoto

发明人： Vadim Adamovich ,  Michael Weaver ,  Raymond Kwong ,  Chuanjun Xia ,  Bert Alleyne ,  Takahiro Kai ,  Masaki Komori ,  Toshihiro Yamamoto

IPC分类号： H01L51/00 ,  C07D487/02

CPC分类号： H01L51/0071 ,  C09B57/00 ,  H01L51/002 ,  H01L51/0054 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5012 ,  H01L2251/308 ,  H01L2251/5384

摘要： A combination of host materials suitable for co-evaporation or premix evaporation, and devices containing the combination of host materials are provided. The combination of host materials provides improved lifetime and efficiency. A method for fabricating devices containing the host material combination is also provided.

摘要翻译： 提供适用于共蒸发或预混合蒸发的主体材料的组合，以及含有主体材料组合的装置。 主机材料的组合提供了改善的寿命和效率。 还提供了一种用于制造包含主体材料组合的装置的方法。

公开(公告)号：US20120305904A1

公开(公告)日：2012-12-06

申请号：US13578207

申请日：2011-02-07

申请人： Takahiro Kai ,  Masaki Komori ,  Toshihiro Yamamoto ,  Megumi Matsumoto

发明人： Takahiro Kai ,  Masaki Komori ,  Toshihiro Yamamoto ,  Megumi Matsumoto

IPC分类号： H01L51/54

CPC分类号： C07D487/14 ,  C07D519/00 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1059 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5012 ,  H05B33/10

摘要： Disclosed is an organic electroluminescent device (organic EL device) that is improved in luminous efficiency, sufficiently secures driving stability, and has a simple configuration. This organic EL device has a light-emitting layer between an anode and a cathode piled one upon another on a substrate and the said light-emitting layer contains a fused polycyclic compound in which seven or more rings are fused together as a host material. The aforementioned fused polycyclic compound has a structure formed by fusing two or more indole rings to a carbazole ring. A specific example thereof is the compound represented by the following formula.

摘要翻译： 公开了一种提高发光效率的有机电致发光器件（有机EL器件），足够确保驱动稳定性，并且具有简单的结构。 该有机EL元件具有在基板上彼此堆叠的阳极和阴极之间的发光层，并且所述发光层含有其中7个以上的环作为主体材料熔合在一起的稠合多环化合物。 上述稠合多环化合物具有通过将两个或更多个吲哚环与咔唑环熔融而形成的结构。 其具体实例是由下式表示的化合物。

公开(公告)号：US20110057184A1

公开(公告)日：2011-03-10

申请号：US12991167

申请日：2009-04-30

申请人： Takahiro Kai ,  Masaki Komori ,  Toshihiro Yamamoto

发明人： Takahiro Kai ,  Masaki Komori ,  Toshihiro Yamamoto

IPC分类号： H01L51/30 ,  C07F9/6561

CPC分类号： H01L51/0072 ,  C07F9/5728 ,  C07F9/65583 ,  C09K11/06 ,  C09K2211/1044 ,  H01L51/5016 ,  H05B33/14

摘要： Disclosed is an organic electroluminescent device (organic EL device) that is improved in the luminous efficiency, fully secured of the driving stability, and of a simple structure and disclosed also is a compound useful therefor. The organic EL device comprises a light-emitting layer disposed between an anode and a cathode piled one upon another on a substrate and the said light-emitting layer comprises a phosphorescent dopant and an indolocarbazole derivative as a host material. The indolocarbazole derivative is represented by the following formula (3) wherein Ar is an aromatic group and L is a direct bond or an aromatic group.

摘要翻译： 公开了提高发光效率的有机电致发光器件（有机EL器件），完全确保了驱动稳定性，并且具有简单的结构，并且还公开了一种有用的化合物。 有机EL器件包括设置在基板上彼此堆叠的阳极和阴极之间的发光层，并且所述发光层包含磷光掺杂剂和作为主体材料的吲哚并咔唑衍生物。 吲哚并咔唑衍生物由下式（3）表示，其中Ar是芳基，L是直接键或芳基。

公开(公告)号：US20110024735A1

公开(公告)日：2011-02-03

申请号：US12934078

申请日：2009-02-02

申请人： Yuichi Sawada ,  Takahiro Kai ,  Masaki Komori ,  Toshihiro Yamamoto

发明人： Yuichi Sawada ,  Takahiro Kai ,  Masaki Komori ,  Toshihiro Yamamoto

IPC分类号： H01L51/50

CPC分类号： C07D209/86 ,  C07D401/10 ,  C07D401/14 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1044 ,  H01L51/006 ,  H01L51/5048 ,  H05B33/14 ,  Y10S428/917

摘要： Disclosed is an organic electroluminescent device (organic EL device) that is improved in luminous efficiency, fully secured of driving stability, and of simple structure. The organic EL device comprises a light-emitting layer between an anode and a cathode piled one upon another on a substrate and the light-emitting layer comprises a phosphorescent dopant and a compound containing carbazolyl groups at both ends represented by the following formula (1) as a host material. In formula (1), X is independently CH optionally containing a substituent or N and L is a direct bond, an ethylene group, or an acetylene group.

摘要翻译： 公开了一种提高发光效率，完全确保驱动稳定性和结构简单的有机电致发光器件（有机EL器件）。 有机EL器件包括在基板上彼此堆叠的阳极和阴极之间的发光层，并且发光层包含磷光掺杂剂和由下式（1）表示的两端含有咔唑基的化合物， 作为主体材料。 在式（1）中，X独立地为任选地含有取代基的CH或N，L为直接键，亚乙基或乙炔基。

公开(公告)号：US20100148161A1

公开(公告)日：2010-06-17

申请号：US12600773

申请日：2008-05-28

申请人： Takahiro Kai ,  Masaki Komori ,  Toshihiro Yamamoto ,  Katsuhide Noguchi ,  Hiroshi Miyazaki

发明人： Takahiro Kai ,  Masaki Komori ,  Toshihiro Yamamoto ,  Katsuhide Noguchi ,  Hiroshi Miyazaki

IPC分类号： H01L51/54 ,  C07D401/04 ,  C07D403/04 ,  C07F15/00

CPC分类号： C07D487/04 ,  C09K11/06 ,  C09K2211/1029 ,  C09K2211/185 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/0087 ,  H01L51/5012

摘要： Disclosed are an organic electroluminescent device (organic EL device) which is improved in luminous efficiency, fully secured of driving stability, and of simple constitution and a compound useful for the fabrication of said organic EL device. The compound for the organic EL device has an indolocarbazole structure or a structure similar thereto in the molecule wherein an aromatic group is bonded to the nitrogen atom in the indolocarbazole. The organic EL device has a light-emitting layer disposed between an anode and a cathode piled one upon another on a substrate and said light-emitting layer comprises a phosphorescent dopant and the aforementioned compound for an organic electroluminescent device as a host material.

摘要翻译： 公开了一种提高发光效率，完全确保驱动稳定性和简单结构的有机电致发光器件（有机EL器件）和用于制造所述有机EL器件的化合物。 作为有机EL元件的化合物，在分子中具有吲哚咔唑结构或其结构，其中芳族基团与吲哚咔唑中的氮原子结合。 有机EL器件具有设置在基板上彼此堆叠的阳极和阴极之间的发光层，并且所述发光层包含磷光掺杂剂和上述用于有机电致发光器件的化合物作为主体材料。

公开(公告)号：US20090295276A1

公开(公告)日：2009-12-03

申请号：US12085348

申请日：2006-11-27

申请人： Tohru Asari ,  Toshihiro Yamamoto ,  Masaki Komori ,  Takahiro Kai

发明人： Tohru Asari ,  Toshihiro Yamamoto ,  Masaki Komori ,  Takahiro Kai

IPC分类号： H01J1/63

CPC分类号： H05B33/14 ,  C09K11/06 ,  C09K2211/1029 ,  C09K2211/1037 ,  C09K2211/1074 ,  C09K2211/185 ,  H01L51/0072 ,  H01L51/0078 ,  H01L51/0085 ,  H01L51/0087 ,  H01L51/5016

摘要： Disclosed is an organic electroluminescent device (organic EL device) which is improved in luminous efficiency, fully assured of driving stability, and simple in constitution. The organic electroluminescent device comprises a hole-transporting layer, a light-emitting layer, and an electron-transporting layer disposed between an anode and a cathode piled one upon another on a substrate and the light-emitting layer contains a phosphorescent dopant and an indolocarbazole compound of specific structure. Examples of the indolocarbazole compound are N,N′-diphenylindolocarbazole and bis(N-phenylindolo)carbazole.

摘要翻译： 公开了提高发光效率的有机电致发光器件（有机EL器件），完全确保驱动稳定性并且构造简单。 有机电致发光器件包括空穴传输层，发光层和设置在基板上彼此堆叠的阳极和阴极之间的电子传输层，并且发光层含有磷光掺杂剂和吲哚并咔唑 具体结构化合物。 吲哚咔唑化合物的实例是N，N'-二苯基吲哚并咔唑和双（N-苯基吲哚基）咔唑。

公开(公告)号：US09299947B2

公开(公告)日：2016-03-29

申请号：US13257163

申请日：2010-03-25

申请人： Takahiro Kai ,  Toshihiro Yamamoto ,  Masaki Komori ,  Kazuaki Yoshimura ,  Taishi Tsuji ,  Yasuhiro Takahashi

发明人： Takahiro Kai ,  Toshihiro Yamamoto ,  Masaki Komori ,  Kazuaki Yoshimura ,  Taishi Tsuji ,  Yasuhiro Takahashi

IPC分类号： H01L51/54 ,  C09K11/06 ,  H01L51/50 ,  H01L51/00 ,  H05B33/22

CPC分类号： H01L51/5096 ,  C09K11/06 ,  C09K2211/1029 ,  H01L51/0072 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5016 ,  H01L2251/552 ,  H05B33/22

摘要： Provided is an organic electroluminescent device (organic EL device), which has improved luminous efficiency, shows sufficiently ensured driving stability, and has a simple construction. The organic electroluminescent device includes an anode, a cathode, and organic layers including a hole-transporting layer and a light-emitting layer, the organic layers being interposed between the anode and the cathode, in which the light-emitting layer contains a phosphorescent light-emitting material and the hole-transporting layer and the light-emitting layer have an electron- and/or exciton-blocking layer therebetween, the electron- and/or exciton-blocking layer being adjacent to the light-emitting layer and containing an indolocarbazole compound represented by the general formula (2). In the formula, a ring B represents a heterocycle represented by the formula (1c) to be fused with adjacent rings, Z represents an n-valent aromatic hydrocarbon group or an aromatic heterocyclic group, and n represents 1 or 2.

摘要翻译： 提供了一种具有提高的发光效率，充分确保驱动稳定性的有机电致发光器件（有机EL器件），并且具有简单的结构。 有机电致发光器件包括阳极，阴极和包括空穴传输层和发光层的有机层，有机层介于阳极和阴极之间，其中发光层含有磷光 发射材料和空穴传输层和发光层之间具有电子和/或激子阻挡层，电子和/或激子阻挡层邻近发光层并含有吲哚并咔唑 由通式（2）表示的化合物。 在该式中，环B表示与相邻的环稠合的式（1c）表示的杂环，Z表示n价的芳香族烃基或芳香族杂环基，n表示1或2。