公开(公告)号：US20050260452A1

公开(公告)日：2005-11-24

申请号：US11188660

申请日：2005-07-26

申请人： Toshihiro Ise ,  Tatsuya Igarashi ,  Yousuke Miyashita ,  Hidetoshi Fujimura ,  Masayuki Mishima ,  Hisashi Okada ,  Qiu Xuepeng

发明人： Toshihiro Ise ,  Tatsuya Igarashi ,  Yousuke Miyashita ,  Hidetoshi Fujimura ,  Masayuki Mishima ,  Hisashi Okada ,  Qiu Xuepeng

IPC分类号： C09K11/06 ,  H01L51/00 ,  H01L51/30 ,  H01L51/50 ,  H05B33/14

CPC分类号： H01L51/0085 ,  C09K11/06 ,  H01L51/0035 ,  H01L51/0038 ,  H01L51/004 ,  H01L51/0043 ,  H01L51/005 ,  H01L51/0059 ,  H01L51/0061 ,  H01L51/0062 ,  H01L51/0067 ,  H01L51/0068 ,  H01L51/007 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/008 ,  H01L51/0081 ,  H01L51/0094 ,  H01L51/5016 ,  H01L2251/308 ,  Y10S428/917 ,  Y10T428/24942 ,  Y10T428/265

摘要： The present invention relates to a light emitting element comprising at least a light emitting layer containing a light emitting material and a host material and having a light emission maximum wavelength of 500 nm or less wherein the minimum excitation triplet energy level of the host material is higher than the minimum excitation triplet energy level of the light emitting material.

摘要翻译： 本发明涉及至少包含发光材料和主体材料并具有500nm或更小的发光最大波长的发光层的发光元件，其中主体材料的最小激发三重态能级更高 比发光材料的最小激发三线态能级高。

公开(公告)号：US06830836B2

公开(公告)日：2004-12-14

申请号：US10671406

申请日：2003-09-26

申请人： Hisashi Okada ,  Toshihiro Ise

发明人： Hisashi Okada ,  Toshihiro Ise

IPC分类号： H05B3314

CPC分类号： H01L51/0094 ,  C07D471/04 ,  H01L51/0037 ,  H01L51/004 ,  H01L51/0042 ,  H01L51/0051 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0055 ,  H01L51/0059 ,  H01L51/0067 ,  H01L51/0068 ,  H01L51/007 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5012 ,  H01L2251/308 ,  Y10S428/917

摘要： Disclosed is a material for a light emitting device excellent in color purity, good in light emitting characteristics and excellent in stability, which consists of a compound represented by the following general formula (I): L&Parenopenst;A)m  (I) wherein A represents a heterocyclic group in which two or more aromatic heterocycles are condensed; m represents an integer of 2 or more, and the heterocyclic groups represented by A may be the same or different; and L represents a connecting group.

摘要翻译： 公开了由以下通式（I）表示的化合物构成的色纯度优异，发光特性好，稳定性优异的发光装置的材料：其中A表示两个以上的杂环基 芳香杂环缩合; m表示2以上的整数，由A表示的杂环基可以相同或不同， L表示连接基。

公开(公告)号：US06818325B2

公开(公告)日：2004-11-16

申请号：US09987639

申请日：2001-11-15

申请人： Masayuki Mishima ,  Hisashi Okada ,  Katsumi Araki ,  Xuepeng Qiu ,  Toshihiro Ise

发明人： Masayuki Mishima ,  Hisashi Okada ,  Katsumi Araki ,  Xuepeng Qiu ,  Toshihiro Ise

IPC分类号： H05B3312

CPC分类号： H01L51/5048 ,  H01L51/004 ,  H01L51/0042 ,  H01L51/0043 ,  H01L51/005 ,  H01L51/0059 ,  H01L51/5016 ,  Y10S428/917

摘要： A light-emitting device comprising: a pair of electrodes formed on a substrate; and organic compound layers provided in between the electrodes, wherein the organic compound layers comprises a light-emitting layer comprising a hole-transporting material and a phosphorescent compound and an electron-transporting layer comprising an electron-transporting material, and an ionization potential of the electron-transporting material is 5.9 eV or more or wherein the organic compound layers comprises a hole-transporting layer comprising a hole-transporting material, a light-emitting layer comprising a phosphorescent compound and an electron-transporting layer comprising an electron-transporting material, and an ionization potential of the electron-transporting material is 5.9 eV or more.

摘要翻译： 一种发光器件，包括：形成在基板上的一对电极; 以及设置在电极之间的有机化合物层，其中有机化合物层包括包含空穴传输材料和磷光化合物的发光层和包含电子传输材料的电子传输层， 电子输送材料为5.9eV以上，或者其中有机化合物层包括空穴传输材料的空穴传输层，包含磷光化合物的发光层和包含电子传输材料的电子传输层， 并且电子传输材料的电离电位为5.9eV以上。

公开(公告)号：US10468607B2

公开(公告)日：2019-11-05

申请号：US14237764

申请日：2012-08-02

申请人： Koji Takaku ,  Tetsu Kitamura ,  Wataru Sotoyama ,  Yasunori Yonekuta ,  Toru Watanabe ,  Toshihiro Ise ,  Saki Takada

发明人： Koji Takaku ,  Tetsu Kitamura ,  Wataru Sotoyama ,  Yasunori Yonekuta ,  Toru Watanabe ,  Toshihiro Ise ,  Saki Takada

IPC分类号： H01L51/00 ,  C07D403/04 ,  C07D405/04 ,  C07D471/04 ,  C07D487/04 ,  C07D491/052 ,  C07D491/16 ,  C07D209/86 ,  C07D209/88 ,  C09K11/06 ,  H05B33/10 ,  H01L51/50

摘要： An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which the organic layer includes a compound represented by the following general formula (1), has high luminous efficiency, excellent blue color purity, and a small change in the chromaticity due to deterioration by driving, wherein Cy, Dn1, Ac1, L1, L2, L3, ring Z1, u1, q1, n1, m1, A11, and A12 are as defined herein.

公开(公告)号：US09876175B2

公开(公告)日：2018-01-23

申请号：US14239696

申请日：2012-08-06

申请人： Koji Takaku ,  Tetsu Kitamura ,  Toru Watanabe ,  Yosuke Yamamoto ,  Kimiatsu Nomura ,  Wataru Sotoyama ,  Saki Takada ,  Toshihiro Ise

发明人： Koji Takaku ,  Tetsu Kitamura ,  Toru Watanabe ,  Yosuke Yamamoto ,  Kimiatsu Nomura ,  Wataru Sotoyama ,  Saki Takada ,  Toshihiro Ise

IPC分类号： H01L51/00 ,  H05B33/14 ,  H01L51/50 ,  C07D209/56

CPC分类号： H01L51/0056 ,  C07D209/56 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1088 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/50 ,  H01L51/5012 ,  H05B33/14

摘要： An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which a compound represented by the following formula (I) is contained in any layer of the at least one organic layer. The organic electroluminescent element has high luminous efficiency and a strong effect of improving the durability by driving aging: wherein X, A1, A2, A3, A4, and R1 to R8 are as defined herein.

公开(公告)号：US09133118B2

公开(公告)日：2015-09-15

申请号：US13522180

申请日：2010-12-28

申请人： Tetsu Kitamura ,  Toru Watanabe ,  Toshihiro Ise

发明人： Tetsu Kitamura ,  Toru Watanabe ,  Toshihiro Ise

IPC分类号： H01L51/50 ,  C07D209/86 ,  C09K11/06 ,  H01L51/00 ,  H01L51/52

CPC分类号： C07D209/86 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  H01L51/0037 ,  H01L51/0072 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/0087 ,  H01L51/0094 ,  H01L51/5016 ,  H01L51/5096 ,  H01L51/5268

摘要： Provided is an organic electroluminescence device having excellent light emission efficiency and durability. Furthermore, provided is an organic electroluminescence device having a low driving voltage, a small change in chromaticity when driving at high luminance, a small change in chromaticity by aging and a small voltage rise by aging.An organic electroluminescence device including a pair of electrodes composed of an anode and a cathode, a light emitting layer between the electrodes and an organic layer which is adjacent to the light emitting layer between the light emitting layer and the cathode, on a substrate, whereto the the light emitting layer contains at least one compound having a carbazole structure and the organic layer adjacent to the light emitting layer contaions at least one hydrocarbon compound having a specific structure.

摘要翻译： 提供了发光效率和耐久性优异的有机电致发光元件。 此外，提供了具有低驱动电压，在高亮度驱动时的色度变化小，老化引起的色度变化小，并且老化的电压上升小的有机电致发光元件。 一种有机电致发光器件，包括由阳极和阴极构成的一对电极，电极之间的发光层和与发光层和阴极之间的发光层相邻的有机层，在基板上， 发光层含有至少一种具有咔唑结构的化合物，并且与发光层相邻的有机层包含至少一种具有特定结构的烃化合物。

公开(公告)号：US20140291652A1

公开(公告)日：2014-10-02

申请号：US14238367

申请日：2012-08-06

申请人： Saki Takada ,  Koji Takaku ,  Tetsu Kitamura ,  Toshihiro Ise ,  Wataru Sotoyama

发明人： Saki Takada ,  Koji Takaku ,  Tetsu Kitamura ,  Toshihiro Ise ,  Wataru Sotoyama

IPC分类号： H01L51/00 ,  H01L51/50

CPC分类号： H01L51/0071 ,  C07D209/80 ,  C07D221/18 ,  C07D235/18 ,  C07D307/93 ,  C07D471/16 ,  C07D491/06 ,  C07D519/00 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/1037 ,  C09K2211/104 ,  C09K2211/1044 ,  C09K2211/1048 ,  C09K2211/1059 ,  C09K2211/1088 ,  C09K2211/1096 ,  H01L51/0051 ,  H01L51/0054 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0068 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0094 ,  H01L51/5012

摘要： An organic electroluminescent element using a compound represented by the following general formula (I) emits dark blue light and has small changes in the chromaticity and in the driving voltage even after driving for a long period of time: wherein R1 to R6; Q1 and Q2; X1, X2, X3 and X4 are as defined herein.

摘要翻译： 使用由以下通式（I）表示的化合物的有机电致发光元件发射深蓝色光，即使在长时间驱动之后，色度和驱动电压变化也小，其中R1至R6; Q1和Q2; X1，X2，X3和X4如本文所定义。

公开(公告)号：US20140203252A1

公开(公告)日：2014-07-24

申请号：US14124851

申请日：2012-06-05

申请人： Tetsu Kitamura ,  Koji Takaku ,  Wataru Sotoyama ,  Yasunori Yonekuta ,  Toshihiro Ise ,  Saki Takada ,  Toru Watanabe

发明人： Tetsu Kitamura ,  Koji Takaku ,  Wataru Sotoyama ,  Yasunori Yonekuta ,  Toshihiro Ise ,  Saki Takada ,  Toru Watanabe

IPC分类号： H01L51/00 ,  H01L51/50

CPC分类号： H01L51/50 ,  C07D251/14 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1059 ,  H01L51/0051 ,  H01L51/0054 ,  H01L51/0059 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0081 ,  H01L51/0094 ,  H01L51/5012 ,  H01L51/5016 ,  H05B33/10

摘要： An organic electroluminescent element which has a substrate, a pair of electrodes disposed on this substrate and composed of an anode and a cathode, and at least one organic layer disposed between these electrodes and including a light-emitting layer, and in which a compound expressed by General Formula 1-1 is contained in at least one layer of the aforementioned light-emitting layer(s) exhibits high luminous efficiency, excellent blue color purity, and little change in chromaticity accompanying drive deterioration. (R1 to R10 [each] represent a hydrogen atom or a substituent, and at least one of R1 to R10 is a substituent expressed by General Formula 1-2; however, a pyrene skeleton is never contained in R1 to R10; the asterisk indicates the bonding position with a pyrene ring; X1 to X5 [each] represent a carbon atom or a nitrogen atom, and at least one of X1 to X5 is a nitrogen atom; R11 to R15 [each] represent a hydrogen atom or a substituent, and at least one of R11 to R15 is an alkyl group or a silyl group; however, if X1 to X5 represent nitrogen atoms, there is no R11 to R15 bonded on these nitrogen atoms.)

摘要翻译： 一种有机电致发光元件，其具有基板，一对电极，设置在该基板上，由阳极和阴极构成，以及至少一个有机层，设置在这些电极之间并且包括发光层，其中化合物表达 通式1-1包含在上述发光层的至少一层中，发光效率高，蓝色纯度优异，伴随着驱动劣化的色度变化小。 （R 1〜R 10各自表示氢原子或取代基，R 1〜R 10中的至少一个为通式1-2所示的取代基，但在R 1〜R 10中不含芘骨架，星号表示 与芘环的键合位置; X 1〜X 5各自表示碳原子或氮原子，X 1〜X 5中的至少一个为氮原子，R 11〜R 15为氢原子或取代基， 并且R 11〜R 15中的至少一个为烷基或甲硅烷基;但是，如果X 1〜X 5表示氮原子，则在这些氮原子上不存在R 11〜R 15键合。

公开(公告)号：US20130292654A1

公开(公告)日：2013-11-07

申请号：US13809073

申请日：2011-06-30

申请人： Atsushi Matsunaga ,  Toshihiro Ise

发明人： Atsushi Matsunaga ,  Toshihiro Ise

IPC分类号： H01L51/00

CPC分类号： H01L51/0085 ,  C09K11/06 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/185 ,  H01L51/0072 ,  H01L51/5016 ,  H05B33/14 ,  H05B33/20

摘要： Disclosed is an organic electroluminescent element that has the characteristic of excellent blue chromaticity, achieves a higher level of both external quantum efficiency and driving durability compared to conventional organic electroluminescent elements, and has a low change in chromaticity before and after driving the element. The organic electroluminescent element has a pair of electrodes and a light-emitting layer between said electrodes on a substrate, and the aforementioned light-emitting layer contains: a carbazole compound having a particular structure; and an iridium complex having a particular structure as a blue phosphorescent light-emitting material.

摘要翻译： 公开了具有优异的蓝色色度的特征的有机电致发光元件，与传统的有机电致发光元件相比，实现了更高的外部量子效率和驱动耐久性，并且在驱动元件之前和之后具有低的色度变化。 有机电致发光元件在基板上的所述电极之间具有一对电极和发光层，上述发光层含有：具有特定结构的咔唑化合物; 和具有特定结构的铱络合物作为蓝色磷光发光材料。

公开(公告)号：US08349473B2

公开(公告)日：2013-01-08

申请号：US12731230

申请日：2010-03-25

申请人： Toshihiro Ise ,  Wataru Sotoyama

发明人： Toshihiro Ise ,  Wataru Sotoyama

IPC分类号： H01L51/54 ,  C07D487/04

CPC分类号： C07D487/04 ,  H01L51/0054 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/0087 ,  H01L51/5016

摘要： An organic electroluminescent device is provided and includes: a cathode; an anode; and at least one organic layer between the cathode and the anode. The at least one organic layer includes a light emitting layer containing at least one light emitting material. A compound represented by the following formula (I) is contained in the at least one organic layer. where n stands for an integer of 2 or greater, L represents an n-valent linking group, and R1, R2, R3, and R4 each independently represents a hydrogen atom or a substituent.

摘要翻译： 提供有机电致发光器件，包括：阴极; 阳极; 以及阴极和阳极之间的至少一个有机层。 至少一个有机层包括含有至少一种发光材料的发光层。 由下式（I）表示的化合物包含在至少一个有机层中。 其中n表示2以上的整数，L表示n价连接基，R 1，R 2，R 3和R 4各自独立地表示氢原子或取代基。