专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明公开

US20230180598A1 ORGANIC ELECTROLUMINESCENT ELEMENT 审中-公开
公开(公告)号：US20230180598A1
公开(公告)日：2023-06-08
申请号：US17925619
申请日：2021-06-16
申请人： HODOGAYA CHEMICAL CO., LTD. , SFC CO., LTD.
发明人： Yuta HIRAYAMA , Takeshi YAMAMOTO , Kouki KASE , Kazuyuki SURUGA , Shuichi HAYASHI , Soon-Wook CHA , Sung-Hoon JOO , Byung-Sun YANG , Ji-Hwan KIM
IPC分类号： H10K85/60 , C09K11/06
CPC分类号： H10K85/633 , H10K85/658 , C09K11/06 , H10K50/156
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.

2. 发明申请

US20200287141A1 ORGANIC ELECTROLUMINESCENCE DEVICE 审中-公开
公开(公告)号：US20200287141A1
公开(公告)日：2020-09-10
申请号：US16650717
申请日：2018-09-21
申请人： HODOGAYA CHEMICAL CO., LTD. , SFC CO., LTD.
发明人： Yuta HIRAYAMA , Takeshi YAMAMOTO , Kazuyuki SURUGA , Se-Jin LEE , Oun-Gyu LEE , Bong-Ki SHIN
IPC分类号： H01L51/00 , C09K11/06 , 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/electron injection/transport performance, electron blocking performance, stability in a thin film state, and durability, are combined as materials for an organic EL device that has high light emission efficiency and high durability 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 electroluminescence 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 electroluminescence device being characterized in that the hole transport layer contains an arylamine compound represented by the following general formula (1), and the light-emitting layer contains a heterocyclic compound having a fused ring structure represented by the following general formula (2) or a heterocyclic compound having a fused ring structure represented by the following general formula (3).

3. 发明公开

US20230345817A1 ORGANIC ELECTROLUMINESCENT DEVICE 审中-公开
公开(公告)号：US20230345817A1
公开(公告)日：2023-10-26
申请号：US18021251
申请日：2021-08-13
申请人： HODOGAYA CHEMICAL CO., LTD. , SFC CO., LTD.
发明人： Junichi IZUMIDA , Sang-Won KO , Bong-Hyang LEE , Jung-Ho RYU , Takeshi YAMAMOTO , Kazuyuki SURUGA , Soon-Wook CHA , Sung-Hoon JOO , Byung-Sun YANG , Ji-Hwan KIM
IPC分类号： H10K85/60 , C07C211/54 , C09K11/06 , C07F7/08 , H10K85/40 , C07F5/02
CPC分类号： H10K85/633 , C07C211/54 , C09K11/06 , C07F7/081 , H10K85/40 , C07F5/027 , H10K85/658 , H10K50/156
摘要： An object 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. 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.

4. 发明申请

US20230101400A1 ORGANIC ELECTROLUMINESCENT ELEMENT 有权
公开(公告)号：US20230101400A1
公开(公告)日：2023-03-30
申请号：US17792001
申请日：2021-01-21
申请人： HODOGAYA CHEMICAL CO., LTD. , SFC CO., LTD.
发明人： Junichi IZUMIDA , Takeshi YAMAMOTO , Kouki KASE , Kazuyuki SURUGA , Shuichi HAYASHI , Soon-Wook CHA , Sung-Hoon JOO , Byung-Sun YANG , Ji-Hwan KIM
IPC分类号： H01L51/00 , H01L51/50
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, in which 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).

5. 发明公开

US20240032321A1 ORGANIC ELECTROLUMINESCENT ELEMENT 审中-公开
公开(公告)号：US20240032321A1
公开(公告)日：2024-01-25
申请号：US18034552
申请日：2021-10-29
申请人： HODOGAYA CHEMICAL CO., LTD. , SFC CO., LTD.
发明人： Kazuyuki SURUGA , Sang-Won KO , Bong-Hyang LEE , Jung-Ho RYU , Takeshi YAMAMOTO , Junichi IZUMIDA , Soon-Wook CHA , Sung-Hoon JOO , Byung-Sun YANG , Ji-Hwan KIM , Bong-Ki SHIN
IPC分类号： H10K50/12 , H10K50/15 , H10K85/40
CPC分类号： H10K50/12 , H10K50/15 , H10K85/40
摘要： The present invention relates to an organic electroluminescent element (organic EL element) including at least an anode, a first hole transport layer, a second hole transport layer, a blue light-emitting layer, an electron transport layer, and a cathode in this order, in which the second hole transport layer contains an arylamine compound represented by the following general formula (1).

6. 发明申请

US20200207748A1 ORGANIC ELECTROLUMINESCENCE DEVICE 审中-公开
公开(公告)号：US20200207748A1
公开(公告)日：2020-07-02
申请号：US16646980
申请日：2018-09-04
申请人： HODOGAYA CHEMICAL CO., LTD.
发明人： Kazuyuki SURUGA , Takeshi YAMAMOTO , Kouki KASE , Shunji MOCHIZUKI
IPC分类号： C07D413/10 , C07D413/04 , C07D413/14 , C07D417/10 , C07D417/04 , C07D417/14 , C07C211/54 , C07C211/58 , C07D263/57 , C07D277/66 , C07D209/82 , C07D307/91 , C07D333/76 , H01L51/42 , H01L51/00
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, Ar1 to Ar5 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. Ar6 to Ar8 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. Ar3 and Ar4 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. Ar3 or Ar4 may form a ring with a benzene ring to which Ar3Ar4—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, Ar9 and Ar10 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. Y1 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. Z1 and Z2 may be the same or different from each other, and represent a carbon atom or a nitrogen atom.)

7. 发明公开

US20230255103A1 ORGANIC ELECTROLUMINESCENT DEVICE 审中-公开
公开(公告)号：US20230255103A1
公开(公告)日：2023-08-10
申请号：US18013101
申请日：2021-06-24
申请人： HODOGAYA CHEMICAL CO., LTD.
发明人： Eriko CHIBA , Kouki KASE , Takeshi YAMAMOTO , Yuta HIRAYAMA , Kazuyuki SURUGA
IPC分类号： H10K85/60 , H10K50/844 , H10K50/858 , C07D413/14 , C07D417/14
CPC分类号： H10K85/636 , H10K50/844 , H10K50/858 , C07D413/14 , C07D417/14 , H10K85/6576 , H10K85/657 , H10K85/6572
摘要： An object of the present invention is to provide an organic EL device having a capping layer constituted by a material having (1) high absorption coefficient, (2) high refractive index, (3) good thin film stability, (4) excellent durability, (5) excellent light resistance, (6) no absorption in the blue, green, and red wavelength regions, respectively.
Since an arylamine based material having a specific structure in the present invention is excellent in the stability and durability of the thin film, an organic EL device obtained by selecting amine compounds with high absorbance in the absorption spectrum at concentration 10−5 mol/L at wavelengths of 400 nm to 410 nm, from amine compounds having a specific benzazole ring structure with a high refractive index as a material of a capping layer, exhibits good characteristics.

8. 发明申请

US20200335703A1 ORGANIC ELECTROLUMINESCENCE DEVICE 审中-公开
公开(公告)号：US20200335703A1
公开(公告)日：2020-10-22
申请号：US16764442
申请日：2018-11-14
申请人： HODOGAYA CHEMICAL CO., LTD.
发明人： Shunji MOCHIZUKI , Hiroshi OHKUMA , Takeshi YAMAMOTO , Kazuyuki SURUGA
IPC分类号： H01L51/00 , C07F15/00 , C09K11/06 , C07C211/57 , C07C211/61 , C07D209/88 , C07D307/91
摘要： [Object] It is an object of the present invention to provide an organic compound having excellent properties such as excellent hole injection/transport performance, electron blocking performance, high stability in a thin-film state, and high light emission efficiency as a material for a highly efficient organic EL device having a high durability, and a highly efficient organic EL device having a high durability by using this compound.[Solving Means] An organic EL device, including, between an anode and a cathode, at least a first hole transport layer, a second hole transport layer, a green light-emitting layer, and an electron transport layer in the stated order from a side of the anode, the organic EL device being characterized in that, the second hole transport layer, or at least one of stacked films disposed between the first hole transport layer and the electron transport layer contains an arylamine compound represented by the following general formula (1). (In the formula, Ar1, Ar2, Ar3, and Ar4 may be the same as or different from each other, and each represent a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted fused polycyclic aromatic group. L1 represents a divalent group of a substituted or unsubstituted aromatic hydrocarbon, a divalent group of a substituted or unsubstituted aromatic heterocyclic, or a divalent group of a substituted or unsubstituted fused polycyclic aromatic. R1, R2, and R3 each represent a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a cyano group, a nitro group, a linear or branched alkyl group having 1 to 6 carbon atoms which may have a substituted group, a cycloalkyl group having 5 to 10 carbon atoms which may have a substituted group, a linear or branched alkenyl group having 2 to 6 carbon atoms which may have a substituted group, a linear or branched alkyloxy group having 1 to 6 carbon atoms which may have a substituted group, a cycloalkyloxy group having 5 to 10 carbon atoms which may have a substituted group, 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 aryloxy group. n represents an integer of 1 to 3.)

9. 发明申请

US20180351101A1 ORGANIC ELECTROLUMINESCENT DEVICES 审中-公开
公开(公告)号：US20180351101A1
公开(公告)日：2018-12-06
申请号：US15776582
申请日：2016-11-16
申请人： HODOGAYA CHEMICAL CO., LTD.
发明人： Kazuyuki SURUGA , Kouki KASE , Junichi IZUMIDA , Syunji MOCHIDUKI
IPC分类号： H01L51/00 , C07C211/58 , C09K11/02
CPC分类号： C09K11/06 , C07C211/58 , C07D307/91 , H01L51/50
摘要： The present invention provides an organic EL device having at least an anode, a hole-transporting layer, a luminous layer, an electron-transporting layer and a cathode arranged in this order, wherein the hole-transporting layer contains an arylamine compound represented by the following general formula (1). The organic EL device of the present invention has a high efficiency, drives on a low voltage, and features a specifically long life.

10. 发明公开

US20230309339A1 ORGANIC ELECTROLUMINESCENT ELEMENT AND METHOD FOR PRODUCING SAME 审中-公开
公开(公告)号：US20230309339A1
公开(公告)日：2023-09-28
申请号：US18325613
申请日：2023-05-30
申请人： HODOGAYA CHEMICAL CO., LTD.
发明人： Kouki KASE , Takeshi YAMAMOTO , Kazuyuki SURUGA , Shunji MOCHIZUKI , Shuichi HAYASHI
IPC分类号： H10K50/844
CPC分类号： H10K50/844
摘要： The present disclosure is related to an organic EL element including a capping layer that contains a compound represented by formula (A-1). In the formula, A and X are monovalent groups represented by formula (B-1) having 1 binding site among R1 to R6. Z represents a monovalent group represented by formula (B-1) having 1 binding site among R1 to R6, an aromatic hydrocarbon group, an aromatic heterocyclic group or a fused polycyclic aromatic group. Ar is a single bond or a divalent group of an aromatic hydrocarbon group, an aromatic heterocyclic group, or a fused polycyclic aromatic group. R1 to R6 are each defined in the specification, and Q represents a nitrogen atom, an oxygen atom, or a sulfur atom.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式