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：US20230345817A1

公开(公告)日：2023-10-26

申请号：US18021251

申请日：2021-08-13

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

Inventor： 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: H10K85/60 ,  C07C211/54 ,  C09K11/06 ,  C07F7/08 ,  H10K85/40 ,  C07F5/02

CPC classification number: H10K85/633 ,  C07C211/54 ,  C09K11/06 ,  C07F7/081 ,  H10K85/40 ,  C07F5/027 ,  H10K85/658 ,  H10K50/156

Abstract: 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.

公开(公告)号：US20250024698A1

公开(公告)日：2025-01-16

申请号：US18574791

申请日：2022-08-01

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

Inventor： Junichi IZUMIDA ,  Sang-Won KO ,  Bong-Hyang LEE ,  Jung-Ho RYU ,  Jin-ho LEE ,  Kouki KASE ,  Shuichi HAYASHI ,  Se-Jin LEE ,  Tae-Jung YU ,  Young-Tae CHOI ,  Sung-Hoon JOO ,  Byung-Sun YANG ,  Ji-Hwan KIM ,  Bong-Ki SHIN

IPC: H10K50/15 ,  H10K50/12 ,  H10K85/60

Abstract: An object of the present invention is to provide a material for organic EL elements, the material being excellent in hole injecting/transporting performance, electron-blocking capability, stability in the form of a thin film, and durability. Another object of the present invention is to provide an organic EL element having high efficiency, a low driving voltage, and a long lifespan, by combining the aforementioned material with various materials for organic EL elements, the materials being excellent in hole/electron injecting/transporting performance, electron-blocking capability, stability in the form of a thin film, and durability, such that the properties of the individual materials can be effectively exhibited. Focusing on the finding that a triarylamine compound having a specific structure is excellent in hole injecting/transporting capability, stability in the form of a thin film, and durability, a specific arylamine compound was selected and used as a material for a hole-transporting layer to produce an organic EL element, and thus, the present invention has been accomplished.

公开(公告)号：US20230099897A1

公开(公告)日：2023-03-30

申请号：US17798144

申请日：2021-02-25

Applicant: HODOGAYA CHEMICAL CO., LTD.

Inventor： Kouki KASE ,  Sang-Won KO ,  Jung-Ho RYU ,  Bong-Hyang LEE ,  Junichi IZUMIDA

IPC: H01L51/00 ,  C07D307/93

Abstract: An object of the present invention is to provide a material for a highly efficient and highly durable organic EL device, and specifically, an organic compound with excellent properties including excellent hole-injecting/transporting performance, electron-blocking capability, and high stability in the form of a thin film. Another object of the present invention is to provide a highly efficient and highly durable organic EL device by using this compound. The present invention is directed to an arylamine compound having a fluorenyl skeleton-containing heterocycle structure, with excellent heat resistance and good hole-transporting capability. An organic EL device including this compound in its hole-transporting layer, electron-blocking layer, light-emitting layer, or hole-injecting layer exhibited good device characteristics.

公开(公告)号：US20170222160A1

公开(公告)日：2017-08-03

申请号：US15416693

申请日：2017-01-26

Applicant: SFC CO., LTD.

Inventor： Se-jin LEE ,  Taejung YU ,  Seok-bae PARK ,  Byung-sun YANG ,  Su-Jin LEE ,  Bong-Hyang LEE ,  Yeongtae CHOI

IPC: H01L51/00 ,  C07D251/24 ,  C07D209/86 ,  C07D405/10 ,  C09K11/06 ,  C09K11/02

CPC classification number: H01L51/0072 ,  C07D209/86 ,  C07D251/24 ,  C07D405/10 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/185 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0067 ,  H01L51/0073 ,  H01L51/0085 ,  H01L51/5016 ,  H01L51/504 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5096 ,  H01L2251/5384 ,  H05B33/20

Abstract: Disclosed is an organic light emitting device including a first electrode, a second electrode opposite to the first electrode, and at least one organic layer interposed between the first and second electrodes. The organic layer includes first and second compounds represented by Formulae A and B, respectively: The organic light emitting device exhibits low driving voltage, high efficiency, and long life. Due to these advantages, the organic light emitting device is useful in a variety of industrial applications, including displays and lighting systems.

公开(公告)号：US20210408390A1

公开(公告)日：2021-12-30

申请号：US17292713

申请日：2019-11-18

Applicant: SFC CO., LTD.

Inventor： Se-Jin Lee ,  Bong-Hyang LEE ,  Taejung Yu ,  Yeong-Tae Choi ,  Kyung-Tae Kim

IPC: H01L51/00 ,  C07F5/02

Abstract: The present disclosure relates to a boron compound useful in an organic light-emitting diode and an organic light-emitting diode comprising same and, more particularly, to a boron compound represented by any one of [Chemical Formula A] to [Chemical Formula C], wherein [Chemical Formula A] to [Chemical Formula C] are as defined in the description.

公开(公告)号：US20210376241A1

公开(公告)日：2021-12-02

申请号：US17399259

申请日：2021-08-11

Applicant: SFC CO., LTD.

Inventor： Se-jin LEE ,  Bong-Hyang LEE ,  Taejung YU ,  Yeongtae CHOI ,  Dajung LEE

IPC: H01L51/00 ,  C07C211/58 ,  C09K11/06 ,  C07C211/54 ,  C07D333/76 ,  C07C211/61 ,  C07D213/72

Abstract: Disclosed are amine-substituted naphthalene derivatives and organic light emitting diodes including the same. In the organic light emitting diodes, at least one of the amine-substituted naphthalene derivatives is employed in a hole auxiliary layer interposed between a hole transport layer and a light emitting layer to enable efficient hole transport to the light emitting layer, achieving high luminous efficiency and long lifetime.

公开(公告)号：US20200227644A1

公开(公告)日：2020-07-16

申请号：US16629072

申请日：2018-07-23

Applicant: SFC CO., LTD.

Inventor： Se-Jin LEE ,  Seok-Bae PARK ,  Bong-Hyang LEE ,  Taejung YU ,  Yeong-Tae CHOI ,  Dajung LEE ,  Seongeun WOO

IPC: H01L51/00

Abstract: Disclosed herein is an organic light-emitting diode comprising: a first electrode; a second electrode facing the first electrode; a light-emitting layer interposed between the first electrode and the second electrode, wherein the light-emitting layer contains at least one of fused ring compounds represented by Chemical Formula A and at least one of hetero ring compounds represented by Chemical Formula D, the Chemical formulas A and B being as defined in the description of the invention.

公开(公告)号：US20190140177A1

公开(公告)日：2019-05-09

申请号：US16184491

申请日：2018-11-08

Applicant: SFC CO., LTD.

Inventor： Se-jin LEE ,  Bong-Hyang LEE ,  Taejung YU ,  Yeongtae CHOI ,  Dajung LEE

IPC: H01L51/00 ,  C07C211/58

Abstract: Disclosed are amine-substituted naphthalene derivatives and organic light emitting diodes including the same. In the organic light emitting diodes, at least one of the amine-substituted naphthalene derivatives is employed in a hole auxiliary layer interposed between a hole transport layer and a light emitting layer to enable efficient hole transport to the light emitting layer, achieving high luminous efficiency and long lifetime.

公开(公告)号：US20180072753A1

公开(公告)日：2018-03-15

申请号：US15561041

申请日：2016-04-05

Applicant: SFC CO., LTD.

Inventor： Taejung YU ,  Yeong-Tae CHOI ,  Bong-Hyang LEE ,  Byung-Sun YANG ,  Se-Jin LEE

IPC: C07D495/04 ,  C07D491/048 ,  C07D487/04 ,  C07D403/04 ,  C09K11/06 ,  H01L51/50 ,  H01L51/00

CPC classification number: C07D495/04 ,  C07D403/04 ,  C07D487/04 ,  C07D491/048 ,  C09K11/06 ,  C09K2211/1088 ,  C09K2211/1092 ,  H01L51/0052 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0085 ,  H01L51/50 ,  H01L51/5016

Abstract: The present invention relates to an organic light-emitting compound represented by [Chemical Formula A] and an organic light-emitting device. In Chemical Formula, A, X, Y, Z, and the substituents R1 to R8, and R11 to R20 are as defined in the specification.