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公开(公告)号：EP4195304A1
公开(公告)日：2023-06-14
申请号：EP21853832.0
申请日：2021-08-02
发明人： HIRAYAMA, Yuta , YAMAMOTO, Takeshi , KASE, Kouki , HAYASHI, Shuichi , CHA Soon-Wook , JOO Sung-Hoon , YANG Byung-Sun , KIM Ji-Hwan
IPC分类号： H01L51/50
摘要： An objective of the present invention is to provide an organic EL device having high efficiency, low driving voltage and long lifetime by using a material for organic EL devices offering excellent hole injectability and transportability, electron blockability, stability in a thin-film state, and durability, and also by employing, in combination, the aforementioned material and various other materials for organic EL devices offering excellent hole/electron injectability and transportability, electron blockability, stability in a thin-film state, and durability, in a manner that the properties of each material can be brought out effectively. The present invention relates to an organic electroluminescence device having, between an anode and a cathode, at least a hole transport layer, a light-emitting layer, and an electron transport layer in this order from the anode side, wherein the hole transport layer contains a triarylamine compound having a specific structure.
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公开(公告)号：EP4050083A1
公开(公告)日：2022-08-31
申请号：EP20878630.1
申请日：2020-10-20
发明人： SURUGA, Kazuyuki , KASE, Kouki , YAMAMOTO, Takeshi , HAYASHI, Shuichi , CHA, Soon-wook , JOO, Sung-hoon , YANG, Byung-sun , KIM, Ji-hwan
摘要： [Object]
An object of the present invention is to provide a material for an organic EL device that is excellent in hole injection and transport abilities, electron blocking ability, thin film stability, and durability, as a material for an organic EL device with high efficiency and high durability, and also to provide an organic EL device having a high efficiency, a low driving voltage, and a long lifetime by combining the material with various materials for an organic EL device that is excellent in hole and electron injection and transport abilities, electron blocking ability, thin film stability, and durability, in such a manner that the characteristics of the materials can be effectively exhibited.
[Means of Realizing the Object]
The present inventors have focused the fact that an arylamine material having a specific structure is excellent in hole injection / transport ability, thin film stability and durability. The arylamine compound of the above can be selected as a material for the hole transport layer, holes injected from the anode side can be efficiently transported. Furthermore, various organic EL devices combining electron transport materials having a specific structure and the like were manufactured, and the characteristics of the devices were evaluated diligently.-
公开(公告)号：EP4170001A1
公开(公告)日：2023-04-26
申请号：EP21826650.0
申请日：2021-06-16
发明人： HIRAYAMA, Yuta , YAMAMOTO, Takeshi , KASE, Kouki , SURUGA, Kazuyuki , HAYASHI, Shuichi , CHA, Soon-Wook , JOO, Sung-Hoon , YANG, Byung-Sun , KIM, Ji-Hwan
摘要： An objective of the present invention is to provide a material for organic EL devices offering excellent hole injectability and transportability, electron blockability, stability in a thin-film state, and durability, and also to provide an organic EL device having high efficiency, low driving voltage and long lifetime by employing, in combination, the aforementioned material and various materials for organic EL devices offering excellent hole/electron injectability and transportability, electron blockability, stability in a thin-film state, and durability, in a manner that the properties of each of the materials can be brought out effectively. The present invention relates to an organic EL device containing a specific arylamine compound as a material constituting a second hole transport layer, wherein the difference between the HOMO level of the second hole transport layer and the HOMO level of a first hole transport layer is 0.15 eV or less.
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公开(公告)号：EP3255692A1
公开(公告)日：2017-12-13
申请号：EP16746537.6
申请日：2016-01-29
发明人： HAYASHI, Shuichi , KITAHARA, Hideyoshi , YAMAMOTO, Takeshi , KANDA, Daizou , KABASAWA, Naoaki , CHA, Soon-wook , PARK, Sang-woo , SONG, Ju-man , JEON, Kyung-seok
IPC分类号： H01L51/50 , C07C211/54 , C07C211/61
CPC分类号： H01L51/0059 , C07C211/54 , C07C211/58 , C07C211/61 , C07D209/56 , C07D235/08 , C07D239/26 , C07D307/94 , C07D401/10 , C07D401/14 , C07D471/04 , C07D493/10 , C07D495/10 , C07F7/0814 , C09K11/06 , C09K2211/1007 , C09K2211/1022 , H01L51/0052 , H01L51/0056 , H01L51/0058 , H01L51/006 , H01L51/0061 , H01L51/0067 , H01L51/0071 , H01L51/0072 , H01L51/0073 , H01L51/0094 , H01L51/50 , H01L51/5012 , H01L51/5064
摘要： [Object]
An organic electroluminescent device having high luminous efficiency, low driving voltage, and particularly a long lifetime is provided by combining various materials for an organic electroluminescent device, which have excellent hole and electron injection/transport performances, electron blocking ability, stability in a thin-film state, and durability as materials for an organic electroluminescent device having high luminous efficiency and high durability so as to allow the respective materials to effectively reveal their characteristics.
[Means of Realizing the Object]
In the organic electroluminescent device having at least an anode, a hole transport layer, a light emitting layer, an electron transport layer and a cathode in this order, the hole transport layer includes an arylamine compound represented by the following general formula (1), and the light emitting layer includes an amine derivative of the following general formula (2) having a condensed ring structure.摘要翻译： 一种具有高发光效率，低驱动电压，并且特别是长寿命的有机电致发光装置通过组合用于有机电致发光装置的各种材料来提供，所述有机电致发光装置具有优异的空穴和电子注入/传输性能，电子阻挡能力， 薄膜状态和作为用于具有高发光效率和高耐久性的有机电致发光装置的材料的耐久性，从而允许各种材料有效地显示其特性。 [实现目的的手段]在至少具有阳极，空穴传输层，发光层，电子传输层和阴极的有机电致发光器件中，空穴传输层包含由下式表示的芳基胺化合物 （1）表示，并且所述发光层包含具有稠环结构的下述通式（2）的胺衍生物。
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公开(公告)号：EP3244465A1
公开(公告)日：2017-11-15
申请号：EP16735040.4
申请日：2016-01-05
发明人： YOKOYAMA, Norimasa , HAYASHI, Shuichi , YAMAMOTO, Takeshi , KABASAWA, Naoaki , KANDA, Daizo , MOCHIDUKI, Shunji , LEE, Se-Jin , LEE, Oun-gyu , SHIN, Bong-Ki
IPC分类号： H01L51/50 , C07C211/54 , C07C211/61 , C07D403/04 , C07D403/10 , C07D491/048 , C07D495/04 , C07D495/14 , C09K11/06
CPC分类号： H01L51/0059 , C07C211/54 , C07C211/61 , C07D403/04 , C07D403/10 , C07D491/048 , C07D495/04 , C07D495/14 , C09K11/06 , C09K2211/1007 , C09K2211/1018 , H01L51/0052 , H01L51/0058 , H01L51/006 , H01L51/0067 , H01L51/0071 , H01L51/0072 , H01L51/0077 , H01L51/0085 , H01L51/50 , H01L51/5016 , H01L51/5024 , H01L51/5056 , H01L51/5064 , H01L51/5072
摘要： The organic EL device of the present invention has an anode, a hole transport layer, a luminous layer, an electron transport layer, and a cathode in the order of description. The hole transport layer includes an arylamine compound represented by the following general formula (1):
in the formula,
Ar 1 to Ar 4 each represent a monovalent aromatic hydrocarbon group or a monovalent aromatic heterocyclic group, and the luminous layer includes an N-aromatic substituted nitrogen-containing heterocyclic compound.摘要翻译： 本发明的有机EL元件按照说明的顺序具有阳极，空穴输送层，发光层，电子输送层和阴极。 空穴输送层包含下述通式（1）所示的芳胺化合物，式中，Ar 1〜Ar 4分别表示1价芳香族烃基或1价芳香族杂环基，发光层含有N-芳香族取代氮 含杂环化合物。
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公开(公告)号：EP3240057A1
公开(公告)日：2017-11-01
申请号：EP15872858.4
申请日：2015-12-16
发明人： YOKOYAMA, Norimasa , HAYASHI, Shuichi , YAMAMOTO, Takeshi , KABASAWA, Naoaki , KANDA, Daizou , MOCHIZUKI, Shunji , CHA, Soon-wook , PARK, Sang-woo , SONG, Ju-man , JEON, Kyung-seok
IPC分类号： H01L51/50
CPC分类号： H01L51/006 , C07C211/54 , C07C211/58 , C07C211/61 , C07D209/08 , C07D209/86 , C07D235/18 , C07D239/26 , C07D307/91 , C07D333/76 , C07D401/10 , C07D401/14 , C07D471/04 , H01L51/0052 , H01L51/0054 , H01L51/0056 , H01L51/0058 , H01L51/0059 , H01L51/0061 , H01L51/0067 , H01L51/0072 , H01L51/0073 , H01L51/0074 , H01L51/50 , H01L51/5012 , H01L51/5056 , H01L51/5072 , H01L51/5088 , H01L51/5206 , H01L51/5221
摘要： [Object]
An organic electroluminescent device having low driving voltage, high luminous efficiency, and a long lifetime is provided by combining various materials for an organic electroluminescent device, which are excellent, as materials for an organic electroluminescent device having high luminous efficiency and high durability, in hole and electron injection/transport performances, electron blocking ability, stability in a thin-film state and durability, so as to allow the respective materials to effectively reveal their characteristics.
[Means of Realizing the Object]
In the organic electroluminescent device having at least an anode, a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer and a cathode in this order, the hole injection layer includes an arylamine compound of the following general formula (1) and an electron acceptor.
In the formula, Ar 1 to Ar 4 may be the same or different, and represent a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted condensed polycyclic aromatic group.摘要翻译： 本发明提供一种具有低驱动电压，高发光效率和长寿命的有机电致发光装置，其通过组合作为具有高发光效率和高耐久性的有机电致发光装置的材料而优异的用于有机电致发光装置的各种材料来提供 空穴和电子注入/传输性能，电子阻挡能力，薄膜状态下的稳定性和耐久性，以使各种材料有效地显示其特性。 [实现目的的手段]在至少具有阳极，空穴注入层，空穴传输层，发光层，电子传输层和阴极的有机电致发光器件中，空穴注入层包括 以下通式（1）的芳基胺化合物和电子受体。 式中，Ar 1〜Ar 4可以相同也可以不同，表示取代或未取代的芳香族烃基，取代或未取代的芳香族杂环基或取代或未取代的稠合多环芳香族基。
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公开(公告)号：EP4198104A1
公开(公告)日：2023-06-21
申请号：EP21858253.4
申请日：2021-08-13
发明人： IZUMIDA, Junichi , KO, Sang-Won , LEE, Bong-Hyang , RYU, Jung-Ho , YAMAMOTO, Takeshi , SURUGA, Kazuyuki , CHA, Soon-Wook , JOO, Sung-Hoon , YANG, Byung-Sun , KIM, Ji-Hwan
摘要： [Problem]
An object of the present invention is to provide a material for an organic EL device having excellent hole injection and transport performance, electron blocking ability, stability in a thin film state, and durability, and further to provide an organic EL device having high efficiency, a low driving voltage, and a long lifetime by combining the material with various materials for an organic EL device having excellent hole and electron injection and transport performance, electron blocking ability, stability in a thin film state, and durability in such a manner that the characteristics of each of the materials can be effectively exhibited.
[Solution]
An organic EL device was fabricated by focusing on the fact that a triarylamine compound having a specific structure has excellent hole injection and transport ability, thin film stability, and durability, and selecting a specific arylamine compound as a material for forming a second hole transport layer, and the invention was completed.-
公开(公告)号：EP4116393A1
公开(公告)日：2023-01-11
申请号：EP21765224.7
申请日：2021-02-16
发明人： IZUMIDA, Junichi , KASE, Kouki , YAMAMOTO, Takeshi , SURUGA, Kazuyuki , HAYASHI, Shuichi , YOKOYAMA, Norimasa , CHA, Soon-wook , JOO, Sung-hoon , YANG, Byung-sun , KIM, Ji-hwan
摘要： [Object]
An object of the present invention is to provide materials for an organic EL device with excellent hole injection and transport ability, electron blocking capability, stability and durability in the thin film state, and also to provide an organic EL device having a high efficiency, a low driving voltage, and a long lifetime by combining the various materials for an organic EL device that is excellent, in such a manner that the characteristics of the each materials can be effectively exhibited.
[Means of Realizing the Object]
The triarylamine compound having a specific structure in the present invention is excellent in hole injection / transport ability, stability and durability of thin film. By selecting the triarylamine compound having a specific structure as the material for the hole transport layer, holes injected from the anode side can be efficiently transported. Furthermore, various organic EL devices combining luminescent materials having a specific structure or the like exhibit good device characteristics.
The triarylamine compound having a specific structure in the present invention is excellent in hole injection / transport ability, stability and durability of thin film. By selecting the triarylamine compound having a specific structure as the material for the hole transport layer, holes injected from the anode side can be efficiently transported. Furthermore, various organic EL devices combining luminescent materials having a specific structure or the like exhibit good device characteristics.-
公开(公告)号：EP3889236A1
公开(公告)日：2021-10-06
申请号：EP19890930.1
申请日：2019-11-28
发明人： JOO, Sung-hoon , YANG, Byung-sun , KIM, Su-jin , KIM, Ji-hwan , JO, Hyeon-jun , CHOI, Sung-eun , SHIN, Bong-ki , PARK, Young-hwan , HAYASHI, Shuichi , YAMAMOTO, Takeshi , MOCHIZUKI, Shunji , HIRAYAMA, Yuta
摘要： An organic light-emitting element according to the present invention employs a polycyclic aromatic derivative compound in a light-emitting layer inside the element, and further comprises a capping layer. Thus, the organic light-emitting element can be made highly efficient and can be useful for a device selected from among a flat panel display device, a flexible display device, a monochrome or white flat panel lighting device, and a monochrome or white flexible lighting device.
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公开(公告)号：EP4095216A1
公开(公告)日：2022-11-30
申请号：EP21744719.2
申请日：2021-01-21
发明人： IZUMIDA, Junichi , YAMAMOTO, Takeshi , KASE, Kouki , SURUGA, Kazuyuki , HAYASHI, Shuichi , CHA, Soon-Wook , JOO, Sung-Hoon , YANG, Byung-Sun , KIM, Ji-Hwan
摘要： An organic electroluminescent element including an anode and a cathode and including, between the anode and the cathode, at least a first hole transport layer, a second hole transport layer, a blue-light-emitting layer, and an electron transport layer disposed in this order from the anode side, wherein at least one of the layers disposed between the first hole transport layer and the electron transport layer includes an arylamine compound represented by general formula (1).
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