公开(公告)号：US20230180598A1

公开(公告)日：2023-06-08

申请号：US17925619

申请日：2021-06-16

Applicant: HODOGAYA CHEMICAL CO., LTD. ,  SFC CO., LTD.

Inventor： Yuta HIRAYAMA ,  Takeshi YAMAMOTO ,  Kouki KASE ,  Kazuyuki SURUGA ,  Shuichi HAYASHI ,  Soon-Wook CHA ,  Sung-Hoon JOO ,  Byung-Sun YANG ,  Ji-Hwan KIM

IPC: H10K85/60 ,  C09K11/06

CPC classification number: H10K85/633 ,  H10K85/658 ,  C09K11/06 ,  H10K50/156

Abstract: 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.

公开(公告)号：US20190067588A1

公开(公告)日：2019-02-28

申请号：US16072223

申请日：2017-02-07

Applicant: SFC CO., LTD.

Inventor： Soon-Wook CHA ,  Sang-Woo PARK ,  Yoona SHIN ,  Jung-Ho YOO ,  Ji-Hwan KIM ,  Sung Woo KIM

IPC: H01L51/00 ,  C07D493/04 ,  C09K11/06 ,  C07F7/08

Abstract: The present invention relates to a novel amine compound and an organic light-emitting diode including the same. More particularly, the present disclosure relates to an amine compound that allows for high efficiency and a long lifespan in an organic light-emitting diode if used as an element therein and to an organic light-emitting diode including the same.

公开(公告)号：US20180166638A1

公开(公告)日：2018-06-14

申请号：US15574892

申请日：2016-05-27

Applicant: SFC CO., LTD.

Inventor： Young-Hwan PARK ,  SeoYeon YOON ,  Soon-Wook CHA ,  Sung-Keun CHOI ,  Si-In KIM

IPC: H01L51/00 ,  H01L51/52 ,  H01L51/50 ,  H01L27/32 ,  C09K11/06

CPC classification number: H01L51/0073 ,  C09K11/06 ,  C09K2211/1033 ,  C09K2211/1048 ,  C09K2211/1088 ,  C09K2211/1092 ,  C09K2211/1096 ,  H01L27/3209 ,  H01L51/0053 ,  H01L51/0058 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0094 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5092 ,  H01L51/5096 ,  H01L51/5203

Abstract: The present invention relates to an organic light-emitting diode which can operate at a low voltage and has a long lifespan compound and, more particular, to an organic light-emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer and an electron transport layer sequentially arranged between the first and the second electrode, wherein the light-emitting layer contains at least one of the amine compounds represented by following Chemical Formula A or Chemical Formula B, and the electron transport layer contains at least one of the compounds represented by the following Chemical Formula E. The structures of Chemical Formulas A, B, and E are as shown in the specification.

公开(公告)号：US20180013071A1

公开(公告)日：2018-01-11

申请号：US15545700

申请日：2016-01-15

Applicant: SFC CO., LTD.

Inventor： Soon-Wook CHA ,  Seok-Bae PARK ,  Sang-woo PARK ,  Yoona SHIN ,  Hee-Dae KIM

IPC: H01L51/00 ,  C07D493/10 ,  C09K11/06 ,  C07D307/91 ,  C07D307/94 ,  C09K11/02 ,  H01L51/50

CPC classification number: H01L51/0061 ,  C07D307/91 ,  C07D307/94 ,  C07D493/10 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1022 ,  H01L51/00 ,  H01L51/0002 ,  H01L51/006 ,  H01L51/0073 ,  H01L51/50 ,  H01L51/5024 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092

Abstract: The present disclosure relates to an organic light-emitting diode having a low driving voltage and long lifespan and more particularly, to an organic light-emitting diode, comprising a first electrode, a second electrode facing the first electrode, and a light-emitting layer interposed therebetween, wherein the light-emitting layer contains at least one of the amine compounds represented by the following Chemical Formula A or Chemical Formula B, plus the compound represented by Chemical Formula D. The structures of Chemical Formulas A, B, and D are the same as in the specification.

公开(公告)号：US20210296590A1

公开(公告)日：2021-09-23

申请号：US16338725

申请日：2017-09-14

Applicant: SFC CO., LTD.

Inventor： Soon-Wook CHA ,  Sang-Woo PARK ,  Jung-Ho YOO ,  Ji-Hwan Kim ,  Sung Woo KIM ,  Hyeon Jun JO ,  Young-Hwan PARK

IPC: H01L51/00

Abstract: The present disclosure relates to an organic light-emitting diode and, more particularly, to an organic-light-emitting diode comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer intercalated between the first electrode and the second electrode, wherein the light-emitting layer comprises at least one of the amine compounds represented by the following Chemical Formula A and at least one of the anthracene compounds represented by the following Chemical Formula B or C. The structures of Chemical Formulas A to C are the same as in the specification.

公开(公告)号：US20200168803A1

公开(公告)日：2020-05-28

申请号：US16558856

申请日：2019-09-03

Applicant: SFC CO., LTD.

Inventor： Young-Hwan PARK ,  Soon-Wook CHA ,  Yoona SHIN ,  Sungeun CHOI

IPC: H01L51/00 ,  H01L51/50

Abstract: Disclosed herein is an organic light emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and a light emitting layer interposed between the first electrode and the second electrode, wherein the light-emitting layer contains at least one of the anthracene derivatives represented by the following Chemical Formula A and having an orbital energy level of TTA phenomenon-based singlet generation in which the second triplet excited orbital energy level (T2) is higher than two times the lowest triplet excited orbital energy level (T1) (T2>2T1).

公开(公告)号：US20180006244A1

公开(公告)日：2018-01-04

申请号：US15543192

申请日：2016-01-08

Applicant: SFC CO., LTD.

Inventor： Soon-Wook CHA ,  Sang-woo PARK ,  Seok-Bae PARK ,  Hee-Dae KIM

IPC: H01L51/00 ,  C07D333/78 ,  C07D495/10 ,  C07D307/93 ,  C09K11/02 ,  C07D307/94 ,  C07D493/10 ,  H01L51/50

CPC classification number: H01L51/0073 ,  C07D307/93 ,  C07D307/94 ,  C07D333/78 ,  C07D493/10 ,  C07D495/10 ,  C09K11/025 ,  C09K11/06 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/0074 ,  H01L51/50 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092

Abstract: The present invention relates to a novel anthracene derivative, for an organic light-emitting device, and an organic light-emitting device comprising same, the anthracene derivative enabling excellent device characteristics when used as a light-emitting material.

公开(公告)号：US20170342318A1

公开(公告)日：2017-11-30

申请号：US15533064

申请日：2015-11-06

Applicant: SFC CO., LTD.

Inventor： Hee-Dae KIM ,  Seok-Bae PARK ,  Yoona SHIN ,  Yu-Rim LEE ,  Sang-Woo PARK ,  Soon-Wook CHA

IPC: C09K11/06 ,  H01L51/00 ,  C07F7/30 ,  H01L51/50

CPC classification number: C09K11/06 ,  C07F7/30 ,  C09K2211/1491 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0069 ,  H01L51/0071 ,  H01L51/0073 ,  H01L51/0094 ,  H01L51/50 ,  H01L51/5012

Abstract: The present invention relates to an organic light-emitting diode exhibiting high efficiency and longevity. The organic light-emitting diode comprises: a first electrode; a second electrode facing the first electrode; and a light-emitting layer interposed between the first electrode and the second electrode, wherein the light-emitting layer contains at least one of the amine compounds represented by Chemical Formula A or Chemical Formula B and at least one of the compounds represented by Chemical Formulas H1 to H7, Chemical Formulas A, B, and H1 to H7 being the same as in the specification.

公开(公告)号：US20240032321A1

公开(公告)日：2024-01-25

申请号：US18034552

申请日：2021-10-29

Applicant: HODOGAYA CHEMICAL CO., LTD. ,  SFC CO., LTD.

Inventor： 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: H10K50/12 ,  H10K50/15 ,  H10K85/40

CPC classification number: H10K50/12 ,  H10K50/15 ,  H10K85/40

Abstract: 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).

公开(公告)号：US20230247850A1

公开(公告)日：2023-08-03

申请号：US18015893

申请日：2021-08-02

Applicant: HODOGAYA CHEMICAL CO., LTD. ,  SFC CO., LTD.

Inventor： Yuta HIRAYAMA ,  Takeshi YAMAMOTO ,  Kouki KASE ,  Shuichi HAYASHI ,  Soon-Wook CHA ,  Sung-Hoon JOO ,  Byung-Sun YANG ,  Ji-Hwan KIM

IPC: H10K50/15 ,  H10K85/60

CPC classification number: H10K50/15 ,  H10K85/631 ,  H10K85/6574 ,  H10K85/636 ,  H10K85/615 ,  H10K85/626 ,  H10K85/633 ,  H10K85/654 ,  H10K85/655 ,  H10K85/657 ,  H10K85/622

Abstract: 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.