公开(公告)号：US09496516B2

公开(公告)日：2016-11-15

申请号：US14233628

申请日：2012-07-03

申请人： Hirotaka Sakuma ,  Sukekazu Aratani ,  Shunichiro Nobuki ,  Shingo Ishihara

发明人： Hirotaka Sakuma ,  Sukekazu Aratani ,  Shunichiro Nobuki ,  Shingo Ishihara

IPC分类号： H01J1/62 ,  H01L51/52 ,  H01L51/56 ,  H01L51/00

CPC分类号： H01L51/5203 ,  H01L51/0012 ,  H01L51/0087 ,  H01L51/5271 ,  H01L51/5275 ,  H01L51/56

摘要： In order to achieve the increased efficiency of an organic light-emitting element, there is a need to reduce the influence of non-radiative recombination of electron-hole pairs except for surface plasmon polariton excitation, to convert most of exciton energy into visible light, and to tremendously improve the luminous efficiency of the organic light-emitting element. An organic light-emitting element according to the present invention includes a reflective electrode, a transparent electrode, and a light-emitting layer placed between the reflective electrode and the transparent electrode, and the organic light-emitting element is configured so that the light-emitting layer contains a host and a first dopant, and for the first dopant, one of the vertical component and horizontal component of the average value for transition dipole moments with respect to a substrate surface is larger than the other of the components.

摘要翻译： 为了实现有机发光元件的提高效率，需要减少除表面等离子体激元激发之外的电子 - 空穴对的非辐射复合的影响，将大部分激子能转化为可见光， 并且极大地提高有机发光元件的发光效率。 根据本发明的有机发光元件包括反射电极，透明电极和放置在反射电极和透明电极之间的发光层，并且有机发光元件被配置为使得发光元件 发光层包含主体和第一掺杂剂，并且对于第一掺杂剂，相对于衬底表面的跃迁偶极矩的平均值的垂直分量和水平分量中的一个大于其他分量。

公开(公告)号：US09118031B2

公开(公告)日：2015-08-25

申请号：US13881094

申请日：2011-10-31

申请人： Hirotaka Sakuma ,  Sukekazu Aratani

发明人： Hirotaka Sakuma ,  Sukekazu Aratani

IPC分类号： H01L51/50 ,  H01L51/56 ,  H01L51/00

CPC分类号： H01L51/5028 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/007 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/56 ,  H01L2251/5346

摘要： An organic light-emitting device includes a lower electrode, an upper electrode, and an organic layer disposed between the lower electrode and the upper electrode, the organic layer including a charge transport layer and a mixed layer in contact with the charge transport layer, the mixed layer including a host, a first dopant, and a charge transporting material, the first dopant including a first functional group, the charge transporting material including a second functional group, the first dopant being drawn to a charge transport layer contact surface where the mixed layer is in contact with the charge transport layer, and the charge transporting material being drawn to the mixed layer surface other than the charge transport layer contact surface. With the present invention, the concentrations of the molecules contained in the mixed layer of the light-emitting layer and the charge transport layer can be easily controlled.

摘要翻译： 有机发光器件包括下电极，上电极和设置在下电极和上电极之间的有机层，有机层包括电荷输送层和与电荷输送层接触的混合层， 包括主体，第一掺杂剂和电荷输送材料的混合层，所述第一掺杂剂包括第一官能团，所述电荷输送材料包括第二官能团，所述第一掺杂剂被吸引到电荷输送层接触表面， 层与电荷输送层接触，并且电荷输送材料被吸引到电荷输送层接触表面以外的混合层表面。 通过本发明，可以容易地控制包含在发光层和电荷输送层的混合层中的分子的浓度。

公开(公告)号：US20130153881A1

公开(公告)日：2013-06-20

申请号：US13818646

申请日：2011-08-16

申请人： Naoya Tokoo ,  Shingo Ishihara ,  Sukekazu Aratani ,  Hirotaka Sakuma

发明人： Naoya Tokoo ,  Shingo Ishihara ,  Sukekazu Aratani ,  Hirotaka Sakuma

IPC分类号： H01L51/50

CPC分类号： H01L51/5096 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5016 ,  H01L51/504 ,  H01L2251/552

摘要： The present invention provides an organic light-emitting device including a first electrode (101), a second electrode (102), organic multi-layers (105, 115) in which the organic multi-layers (105, 115) is formed between the first electrode (101) and the second electrode (102) and has a hole blocking layer (16), an emission layer (15), and an electron blocking layer (14), and the emission layer 15 is interposed between the hole blocking layer (16) and the electron blocking layer (14), a first light-emitting dopant is added to the hole blocking layer (16), a second light-emitting dopant is added to the emission layer (15), a third light-emitting dopant is added to the electron blocking layer (14), and the first light-emitting dopant and the third light-emitting dopant trap carriers penetrating the emission layer.According to the invention, the emission layer can emit light at high efficiency and deterioration of the emission layer can be suppressed.

摘要翻译： 本发明提供一种有机发光装置，其包括第一电极（101），第二电极（102），有机多层（105,115），其中有机多层（105,115）形成在有机多层 第一电极（101）和第二电极（102），并具有空穴阻挡层（16），发射层（15）和电子阻挡层（14），发光层15插入在空穴阻挡层 （16）和电子阻挡层（14）中，向空穴阻挡层（16）添加第一发光掺杂剂，向发光层（15）添加第二发光掺杂剂，将第三发光掺杂物 掺杂剂添加到电子阻挡层（14）中，并且第一发光掺杂剂和第三发光掺杂剂陷阱载流子穿透发射层。 根据本发明，发光层可以高效率地发光，并且能够抑制发光层的劣化。

公开(公告)号：US09281489B2

公开(公告)日：2016-03-08

申请号：US13817960

申请日：2010-09-10

申请人： Hirotaka Sakuma ,  Sukekazu Aratani

发明人： Hirotaka Sakuma ,  Sukekazu Aratani

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

CPC分类号： H01L51/5012 ,  C09K11/06 ,  C09K2211/185 ,  H01L51/0085 ,  H01L51/5004 ,  H01L51/5036 ,  H01L2251/5346 ,  H05B33/14

摘要： The objects of the present invention are to provide an organic luminescent material capable of being easily controlled for dopant concentrations. The present invention is characterized in that a organic light-emitting device comprising a upper electrode, a lower electrode; and a light-emitting layer positioned between the upper electrode and the lower electrode, wherein the light-emitting layer contains a host, a first dopant and a second dopant, the first dopant is a blue-light-emitting dopant or a green-light-emitting dopant, the first dopant has a first functional group, and the first functional group makes the first dopant transfer toward the surface of the light-emitting layer on the upper electrode side in the light-emitting layer.

摘要翻译： 本发明的目的是提供能够容易地控制掺杂剂浓度的有机发光材料。 本发明的特征在于，包括上电极，下电极的有机发光器件; 位于所述上部电极和下部电极之间的发光层，其中，所述发光层含有主体，第一掺杂剂和第二掺杂剂，所述第一掺杂剂为蓝色发光掺杂剂或绿色光 第一掺杂剂具有第一官能团，并且第一官能团使第一掺杂剂朝向发光层中的上电极侧的发光层的表面转移。

公开(公告)号：US09935291B2

公开(公告)日：2018-04-03

申请号：US13976499

申请日：2011-12-27

申请人： Sukekazu Aratani ,  Hirotaka Sakuma ,  Hiroshi Sasaki

发明人： Sukekazu Aratani ,  Hirotaka Sakuma ,  Hiroshi Sasaki

IPC分类号： H01L51/52 ,  C09K11/06 ,  H01L51/00 ,  H05B33/14 ,  H01L51/50

CPC分类号： H01L51/5262 ,  C09K11/06 ,  C09K2211/1029 ,  C09K2211/1416 ,  C09K2211/185 ,  H01L51/0032 ,  H01L51/0035 ,  H01L51/0085 ,  H01L51/5056 ,  H01L51/5072 ,  H01L2251/5346 ,  H05B33/14

摘要： An organic light-emitting device includes a lower electrode, an upper electrode, and an organic layer disposed between these electrodes. The organic layer is a laminate of a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, and an electron injection layer. The light-emitting layer includes a host and a first dopant. The hole transport layer includes a hole transporting material, and the electron transport layer includes an electron transporting material. The hole transporting material and the electron transporting material have functional groups. The first dopant in the light-emitting layer has a functional group, and is concentrated on the side of the light-emitting layer in contact with the hole transport layer or the electron transport layer.

公开(公告)号：US20140138663A1

公开(公告)日：2014-05-22

申请号：US14131852

申请日：2012-07-11

申请人： Sukekazu Aratani ,  Hirotaka Sakuma ,  Shingo Ishihara ,  Naoya Tokoo ,  Hiroshi Sasaki

发明人： Sukekazu Aratani ,  Hirotaka Sakuma ,  Shingo Ishihara ,  Naoya Tokoo ,  Hiroshi Sasaki

IPC分类号： H01L51/50 ,  H01L51/56 ,  H01L51/00

CPC分类号： H01L51/5024 ,  H01L27/3204 ,  H01L27/3211 ,  H01L51/0085 ,  H01L51/5004 ,  H01L51/5036 ,  H01L51/5203 ,  H01L51/524 ,  H01L51/56 ,  H01L2251/5361 ,  H05B33/10 ,  H05B33/14

摘要： In an organic light-emitting element including a first electrode, a second electrode, and a light-emitting layer placed between the first electrode and the second electrode, the light-emitting layer includes a host material, a first emitter, and a second emitter, the emission peak wavelength of the first emitter is longer than the emission peak wavelength of the second emitter, and an aromatic heterocyclic ligand or an auxiliary ligand of the first emitter include an electron withdrawing group. Accordingly, an organic light-emitting element can be provided in which the HOMO value of a specific luminescent dopant is closer to the HOMO value of another luminescent dopant.

摘要翻译： 在包括第一电极，第二电极和放置在第一电极和第二电极之间的发光层的有机发光元件中，发光层包括主体材料，第一发射极和第二发光体 第一发射极的发射峰值波长比第二发射极的发射峰值波长长，第一发射极的芳族杂环配体或辅助配体包括吸电子基团。 因此，可以提供特定发光掺杂剂的HOMO值更接近于另一种发光掺杂剂的HOMO值的有机发光元件。

公开(公告)号：US08729536B2

公开(公告)日：2014-05-20

申请号：US13659947

申请日：2012-10-25

申请人： Hirotaka Sakuma ,  Sukekazu Aratani ,  Hiroshi Sasaki

发明人： Hirotaka Sakuma ,  Sukekazu Aratani ,  Hiroshi Sasaki

IPC分类号： H01L51/54

CPC分类号： H01L51/56 ,  C09K11/06 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/185 ,  H01L51/0002 ,  H01L51/5028 ,  H01L51/5036 ,  H05B33/14 ,  Y02B20/181

摘要： It is an object of the present invention to provide an organic light-emitting device which can emit white light by easily controlling dopant concentrations. The organic light-emitting device has a first electrode (112) and second electrode (111) which hold a light-emitting layer (113) in-between, wherein the light-emitting layer contains a host material (104), red-light-emitting dopant (105), green-light-emitting dopant (106) and blue-light-emitting dopant (107), the red-light-emitting dopant containing a first functional group for transferring the dopant toward the first electrode and the green-light-emitting dopant containing a second functional group for transferring the dopant toward the second electrode.

摘要翻译： 本发明的目的是提供一种可以通过容易地控制掺杂剂浓度而发出白光的有机发光装置。 有机发光器件具有在其间保持发光层（113）的第一电极（112）和第二电极（111），其中发光层包含主体材料（104），红光 发光掺杂剂（105），绿色发光掺杂物（106）和蓝色发光掺杂剂（107），所述红色发光掺杂剂含有用于将掺杂剂转移到第一电极的第一官能团，并且绿色 含有用于将掺杂剂转移到第二电极的第二官能团的发光掺杂剂。

公开(公告)号：US20130299788A1

公开(公告)日：2013-11-14

申请号：US13881094

申请日：2011-10-31

申请人： Hirotaka Sakuma ,  Sukekazu Aratani

发明人： Hirotaka Sakuma ,  Sukekazu Aratani

IPC分类号： H01L51/50 ,  H01L51/56

CPC分类号： H01L51/5028 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/007 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/56 ,  H01L2251/5346

摘要： An organic light-emitting device includes a lower electrode, an upper electrode, and an organic layer disposed between the lower electrode and the upper electrode, the organic layer including a charge transport layer and a mixed layer in contact with the charge transport layer, the mixed layer including a host, a first dopant, and a charge transporting material, the first dopant including a first functional group, the charge transporting material including a second functional group, the first dopant being drawn to a charge transport layer contact surface where the mixed layer is in contact with the charge transport layer, and the charge transporting material being drawn to the mixed layer surface other than the charge transport layer contact surface. With the present invention, the concentrations of the molecules contained in the mixed layer of the light-emitting layer and the charge transport layer can be easily controlled.

摘要翻译： 有机发光器件包括下电极，上电极和设置在下电极和上电极之间的有机层，有机层包括电荷输送层和与电荷输送层接触的混合层， 包括主体，第一掺杂剂和电荷输送材料的混合层，所述第一掺杂剂包括第一官能团，所述电荷输送材料包括第二官能团，所述第一掺杂剂被吸引到电荷输送层接触表面， 层与电荷输送层接触，并且电荷输送材料被吸引到电荷输送层接触表面以外的混合层表面。 通过本发明，可以容易地控制包含在发光层和电荷输送层的混合层中的分子的浓度。

公开(公告)号：US20130277662A1

公开(公告)日：2013-10-24

申请号：US13976499

申请日：2011-12-27

申请人： Sukekazu Aratani ,  Hirotaka Sakuma ,  Hiroshi Sasaki

发明人： Sukekazu Aratani ,  Hirotaka Sakuma ,  Hiroshi Sasaki

IPC分类号： H01L51/52 ,  H01L51/00

CPC分类号： H01L51/5262 ,  C09K11/06 ,  C09K2211/1029 ,  C09K2211/1416 ,  C09K2211/185 ,  H01L51/0032 ,  H01L51/0035 ,  H01L51/0085 ,  H01L51/5056 ,  H01L51/5072 ,  H01L2251/5346 ,  H05B33/14

摘要： An organic light-emitting device includes a lower electrode, an upper electrode, and an organic layer disposed between these electrodes. The organic layer is a laminate of a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, and an electron injection layer. The light-emitting layer includes a host and a first dopant. The hole transport layer includes a hole transporting material, and the electron transport layer includes an electron transporting material. The hole transporting material and the electron transporting material have functional groups. The first dopant in the light-emitting layer has a functional group, and is concentrated on the side of the light-emitting layer in contact with the hole transport layer or the electron transport layer.

摘要翻译： 有机发光器件包括下电极，上电极和设置在这些电极之间的有机层。 有机层是空穴注入层，空穴传输层，发光层，电子传输层和电子注入层的层叠体。 发光层包括主体和第一掺杂剂。 空穴传输层包括空穴传输材料，电子传输层包括电子传输材料。 空穴传输材料和电子传输材料具有官能团。 发光层中的第一掺杂剂具有官能团，并且集中在与空穴传输层或电子传输层接触的发光层侧。

公开(公告)号：US08319211B2

公开(公告)日：2012-11-27

申请号：US12858470

申请日：2010-08-18

申请人： Hirotaka Sakuma ,  Sukekazu Aratani ,  Hiroshi Sasaki

发明人： Hirotaka Sakuma ,  Sukekazu Aratani ,  Hiroshi Sasaki

IPC分类号： H01L51/54

CPC分类号： H01L51/56 ,  C09K11/06 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/185 ,  H01L51/0002 ,  H01L51/5028 ,  H01L51/5036 ,  H05B33/14 ,  Y02B20/181

摘要： It is an object of the present invention to provide an organic light-emitting device which can emit white light by easily controlling dopant concentrations. The organic light-emitting device has a first electrode (112) and second electrode (111) which hold a light-emitting layer (113) in-between, wherein the light-emitting layer contains a host material (104), red-light-emitting dopant (105), green-light-emitting dopant (106) and blue-light-emitting dopant (107), the red-light-emitting dopant containing a first functional group for transferring the dopant toward the first electrode and the green-light-emitting dopant containing a second functional group for transferring the dopant toward the second electrode.

摘要翻译： 本发明的目的是提供一种可以通过容易地控制掺杂剂浓度而发出白光的有机发光装置。 有机发光器件具有在其间保持发光层（113）的第一电极（112）和第二电极（111），其中发光层包含主体材料（104），红光 发光掺杂剂（105），绿色发光掺杂物（106）和蓝色发光掺杂剂（107），所述红色发光掺杂剂含有用于将掺杂剂转移到第一电极的第一官能团，并且绿色 含有用于将掺杂剂转移到第二电极的第二官能团的发光掺杂剂。