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1. 发明公开

EP3229284A1 ORGANIC ELECTROLUMINESCENT ELEMENT 有权
公开(公告)号：EP3229284A1
公开(公告)日：2017-10-11
申请号：EP15866092.8
申请日：2015-12-01
申请人： Hodogaya Chemical Co., Ltd. , SFC Co., Ltd.
发明人： HAYASHI, Shuichi , KABASAWA, Naoaki , KANDA, Daizou , MOCHIZUKI, Shunji , CHA, Soon-wook , PARK, Sang-woo , SONG, Ju-man , JEON, Kyung-seok
IPC分类号： H01L51/50 , C09K11/06
CPC分类号： H01L51/0059 , C09K11/025 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1029 , C09K2211/1088 , C09K2211/1092 , C09K2211/1096 , H01L51/0052 , H01L51/0054 , H01L51/0058 , H01L51/006 , H01L51/0061 , H01L51/0067 , H01L51/0072 , H01L51/0073 , 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.

2. 发明公开

EP3941159A1 ORGANIC ELECTROLUMINESCENCE ELEMENT 审中-实审
公开(公告)号：EP3941159A1
公开(公告)日：2022-01-19
申请号：EP20771069.0
申请日：2020-02-28
申请人： Hodogaya Chemical Co., Ltd. , SFC Co., Ltd.
发明人： HIRAYAMA, Yuta , MOCHIZUKI, Shunji , YAMAMOTO, Takeshi , HAYASHI, Shuichi , Park, Young-hwan
IPC分类号： H05B33/02 , H01L51/50
摘要： It is an object of the present invention to provide an organic EL element including a capping layer constituted by two layers consisting of a first capping layer and a second capping layer that has a refractive index that is higher than that of the first capping layer, in order to improve the light extraction efficiency compared with an organic EL element including a capping layer constituted by a single layer. The present invention provides an organic electroluminescent element at least including an anode, a hole transport layer, a light emitting layer, an electron transport layer, a cathode, and a capping layer arranged in this order, wherein the capping layer has a structure constituted by two layers consisting of a first capping layer and a second capping layer, a refractive index of the second capping layer is higher than a refractive index of the first capping layer throughout a wavelength range from 450 to 650 nm, and the second capping layer contains an arylamine compound having a specific structure.

3. 发明公开

EP3929193A1 ARYLAMINE COMPOUND HAVING BENZOAZOLE RING STRUCTURE, AND ORGANIC ELECTROLUMINESCENT ELEMENT 有权
公开(公告)号：EP3929193A1
公开(公告)日：2021-12-29
申请号：EP20759116.5
申请日：2020-02-21
申请人： Hodogaya Chemical Co., Ltd. , SFC Co., Ltd.
发明人： MOCHIZUKI, Shunji , UEHARA, Takuya , KASE, Kouki , HIRAYAMA, Yuta , YAMAMOTO, Takeshi , HAYASHI, Shuichi , CHOI, Young-Tae , LEE, Se-Jin , PARK, Seok-Bae , YU, Tae-Jung , YANG, Byung-Sun
IPC分类号： C07D405/14 , C09K11/06 , C07D209/82 , C07D263/62 , C07D277/66 , C07D251/24 , H01L51/50 , H05B33/24
摘要： An objective of the invention is to provide an organic EL device that combines various materials of the device and a capping layer composed from a material that absorbs sunlight within the wavelength range of 400 nm to 410 nm to prevent impact on materials inside the organic EL device, has a high light absorption coefficient and a high refractive index to significantly improve light extraction efficiency, has excellent stability, durability and light resistance in a thin film, and has no absorption within the wavelength ranges of blue, green and red, to thereby effectively achieve the characteristics of the various materials of the device. The invention is an arylamine compound having a benzazole structure, and is also an organic EL device including a capping layer containing the arylamine compound and a light-emitting layer containing a host and a phosphorescent dopant.

4. 发明公开

EP3240057A1 ORGANIC ELECTROLUMINESCENT ELEMENT 有权
标题翻译：有机电致发光元件
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
申请人： Hodogaya Chemical Co., Ltd. , SFC Co., Ltd.
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。

5. 发明公开

EP3889236A1 ORGANIC LIGHT-EMITTING ELEMENT USING POLYCYCLIC AROMATIC DERIVATIVE COMPOUND 有权转让
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
申请人： SFC Co., Ltd. , Hodogaya Chemical Co., Ltd.
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
IPC分类号： C09K11/06 , C07F5/02 , H01L51/00
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.

6. 发明公开

EP4043512A1 ORGANIC ELECTROLUMINESCENCE ELEMENT HAVING ORGANIC LAYER COMPRISING HIGH MOLECULAR WEIGHT COMPOUND 无效
公开(公告)号：EP4043512A1
公开(公告)日：2022-08-17
申请号：EP20873565.4
申请日：2020-10-07
申请人： Hodogaya Chemical Co., Ltd.
发明人： TOGASHI, Kazunori , SHINODA, Mika , IZUMIDA, Junichi , MOCHIZUKI, Shunji , HIRAI, Hiroki , SAEGUSA, Yuta
IPC分类号： C08G73/02 , H01L51/50
摘要： It is an object of the present invention to provide a polymer organic EL element that has a low driving voltage, high light emission efficiency, and a long lifespan. The present invention provides an organic electroluminescence element having a pair of electrodes and at least one organic layer between the electrodes, wherein the organic layer is constituted by two or more high molecular weight compounds including at least high molecular weight compounds α and β, and the high molecular weight compound α has a substituted triarylamine structural unit represented by a general formula (1) below and has a weight average molecular weight of 10,000 or more and less than 1,000,000 in terms of polystyrene. For the symbols in the formula, see the Description.

7. 发明授权

EP2960958B1 ORGANIC ELECTROLUMINESCENCE ELEMENT 有权
公开(公告)号：EP2960958B1
公开(公告)日：2018-10-31
申请号：EP14754850.7
申请日：2014-02-21
申请人： Hodogaya Chemical Co., Ltd.
发明人： YOKOYAMA, Norimasa , HAYASHI, Shuichi , KABASAWA, Naoaki , MOCHIZUKI, Shunji
IPC分类号： H01L51/54 , C07C211/54 , C07D235/18 , C07D235/20 , C09K11/06
CPC分类号： H01L51/0059 , C07C211/54 , C07D209/08 , C07D209/86 , C07D401/10 , C07D401/14 , C07D471/04 , H01L51/0052 , H01L51/0058 , H01L51/006 , H01L51/0061 , H01L51/0067 , H01L51/0072 , H01L51/5064 , H01L51/5072 , H01L51/5096
摘要： An organic EL device having high efficiency, low driving voltage and a long lifetime is provided by combining various materials for an organic EL device, which are excellent, as materials for an organic EL device having high 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. In the organic EL device having at least an anode, a hole injection layer, a first hole transport layer, a second hole transport layer, a light emitting layer, an electron transport layer and a cathode in this order, the second hole transport layer includes an arylamine compound represented by the following general formula (1). [Chemical Formula 1]

8. 发明公开

EP3683852A1 ORGANIC ELECTROLUMINESCENT ELEMENT 有权
公开(公告)号：EP3683852A1
公开(公告)日：2020-07-22
申请号：EP18855786.2
申请日：2018-09-04
申请人： Hodogaya Chemical Co., Ltd.
发明人： SURUGA, Kazuyuki , YAMAMOTO, Takeshi , KASE, Kouki , MOCHIZUKI, Shunji
IPC分类号： H01L51/50
摘要： [Object] It is an object of the present invention to provide an organic EL device in which various materials for an organic EL device, which is excellent in hole injection/transport performance, electron injection/transport performance, electron blocking performance, stability in a thin film state, and durability, are combined so that properties of each of the materials can be effectively expressed, thereby achieving (1) high light emission efficiency and power efficiency, (2) a low light emission start voltage, (3) a low practical driving voltage, and particularly (4) a long lifetime.
[Solving Means] There is provided an organic EL device, including at least an anode, a hole transport layer, a light-emitting layer, an electron transport layer, and a cathode in the stated order, the organic EL device being characterized in that the hole transport layer contains an arylamine compound represented by the following general formula (1), and the electron transport layer contains a compound having a benzoazole ring structure represented by the following general formula (2).

(In the formula, Ar 1 to Ar 5 may be the same or different from each other, and represent a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted fused polycyclic aromatic group. Ar 6 to Ar 8 may be the same or different from each other, and represent a hydrogen atom, a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted fused polycyclic aromatic group. n1 represents 0, 1, or 2. Ar 3 and Ar 4 may form a ring with a single bond or may be bonded to each other via a substituted or unsubstituted methylene group, an oxygen atom, or a sulfur atom to form a ring. Ar 3 or Ar 4 may form a ring with a benzene ring to which Ar 3 Ar 4 -N group is bonded, with a single bond or may be bonded to each other via a substituted or unsubstituted methylene group, an oxygen atom, or a sulfur atom to form a ring.)

(In the formula, Ar 9 and Ar 10 may be the same or different from each other, and represent a hydrogen atom, a deuterium atom, a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, a substituted or unsubstituted fused polycyclic aromatic group, or a substituted or unsubstituted alkyl group. Y 1 represents a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, a substituted or unsubstituted fused polycyclic aromatic group, or a substituted or unsubstituted alkyl group. X represents an oxygen atom or a sulfur atom. Z 1 and Z 2 may be the same or different from each other, and represent a carbon atom or a nitrogen atom.)

9. 发明公开

EP3598517A1 ORGANIC ELECTROLUMINESCENT ELEMENT 审中-公开
公开(公告)号：EP3598517A1
公开(公告)日：2020-01-22
申请号：EP18766856.1
申请日：2018-03-09
申请人： Hodogaya Chemical Co., Ltd.
发明人： MOCHIZUKI, Shunji , YAMAMOTO, Takeshi , KABASAWA, Naoaki
IPC分类号： H01L51/50
摘要： An object of the present invention is to provide an organic EL element that has (1) high light emission efficiency and high power efficiency, (2) a low light-emission start voltage, (3) a low actual driving voltage, and (4) an especially long lifespan. According to the present invention, provided is an organic electroluminescent element, or organic EL element, having at least an anode, a hole injection layer, a first hole transport layer, a second hole transport layer, a light emitting layer, an electron transport layer, and a cathode, in this order, wherein the second hole transport layer contains an arylamine compound represented by the general formula (1) below, and the electron transport layer contains a pyrimidine derivative represented by the general formula (2) below. Note that A in the general formula (2) represents a monovalent group represented by the structural formula (3) below.

10. 发明公开

EP4207947A1 ORGANIC ELECTROLUMINESCENT ELEMENT AND METHOD FOR PRODUCING SAME 有权
公开(公告)号：EP4207947A1
公开(公告)日：2023-07-05
申请号：EP23157767.7
申请日：2018-12-21
申请人： Hodogaya Chemical Co., Ltd.
发明人： KASE, Kouki , YAMAMOTO, Takeshi , SURUGA, Kazuyuki , MOCHIZUKI, Shunji , HAYASHI, Shuichi
IPC分类号： H05B33/04 , C07D263/57 , H10K50/844 , H05B33/10 , H10K85/60
摘要： The present invention relates to an organic electroluminescent element comprising an organic layer which comprises a luminous layer between a first electrode and a second electrode,
wherein a capping layer is laminated on an opposite surface of the first electrode with respect to the organic layer, and
the capping layer comprises a tertiary amine compound represented by general formula (A-2) having a benzazole ring structure,

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