公开(公告)号：US12281248B2

公开(公告)日：2025-04-22

申请号：US17296347

申请日：2019-11-28

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

Inventor： Sung-hoon Joo ,  Byung-sun Yang ,  Su-jin Kim ,  Ji-hwan Kim ,  Hyeon-jun Jo ,  Sung-eun Choi ,  Bong-ki Shin ,  Young-hwan Park ,  Shuichi Hayashi ,  Takeshi Yamamoto ,  Shunji Mochizuki ,  Yuta Hirayama

IPC: H01L51/00 ,  C07F5/02 ,  C07F11/00 ,  C09K11/06 ,  H10K85/30 ,  H10K85/60 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/844

Abstract: 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.

公开(公告)号：US20230138055A1

公开(公告)日：2023-05-04

申请号：US17909100

申请日：2021-02-16

Applicant: Hodogaya Chemical Co., Ltd. ,  SFC Co., Ltd.

Inventor： Junichi Izumida ,  Kouki Kase ,  Takeshi Yamamoto ,  Kazuyuki Suruga ,  Shuichi Hayashi ,  Norimasa Yokoyama ,  Soon-wook Cha ,  Sung-hoon Joo ,  Byung-sun Yang ,  Ji-hwan Kim

IPC: H10K85/60 ,  C07C211/54 ,  C09K11/06 ,  C07C211/61

Abstract: 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：US20220416165A1

公开(公告)日：2022-12-29

申请号：US17770392

申请日：2020-10-20

Applicant: Hodogaya Chemical Co., Ltd. ,  SFC Co., Ltd.

Inventor： Kazuyuki Suruga ,  Kouki Kase ,  Takeshi Yamamoto ,  Shuichi Hayashi ,  Soon-wook Cha ,  Sung-hoon Joo ,  Byung-sun Yang ,  Ji-hwan Kim

IPC: H01L51/00 ,  C07C211/54 ,  C09K11/06 ,  C07C211/58 ,  C07F5/02

Abstract: 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：US11456428B2

公开(公告)日：2022-09-27

申请号：US16687890

申请日：2019-11-19

Applicant: SFC CO., LTD.

Inventor： SungHoon Joo ,  Ji-Hwan Kim ,  Byung-sun Yang ,  Hyeon Jun Jo ,  Sungeun Choi ,  Su-jin Kim

IPC: H01L51/50 ,  H01L51/00

Abstract: Disclosed are indolocarbazole polycyclic aromatic derivatives that can be employed in various organic layers of organic electroluminescent devices. The indolocarbazole derivatives have a boron-containing structure. Also disclosed are organic electroluminescent devices including the indolocarbazole derivatives. The organic electroluminescent devices are highly efficient and long lasting and have greatly improved luminous efficiency.

公开(公告)号：US11985891B2

公开(公告)日：2024-05-14

申请号：US17172171

申请日：2021-02-10

Applicant: SFC CO., LTD.

Inventor： SungHoon Joo ,  Ji-Hwan Kim ,  Byung-sun Yang ,  Hyeon Jun Jo ,  Sungeun Choi ,  Su-jin Kim ,  Bong-Ki Shin

IPC: H01L51/50 ,  C07F5/02 ,  C09K11/06 ,  H10K85/60 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18

CPC classification number: H10K85/636 ,  C07F5/027 ,  C09K11/06 ,  H10K85/626 ,  H10K85/633 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  C09K2211/1007 ,  C09K2211/1018 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171 ,  H10K50/18

Abstract: Disclosed are polycyclic aromatic compounds that can be employed in various organic layers of organic electroluminescent devices. Also disclosed are organic electroluminescent devices including the polycyclic aromatic compounds. The organic electroluminescent devices are highly efficient and long lasting and have greatly improved luminous efficiency.

公开(公告)号：US11482676B2

公开(公告)日：2022-10-25

申请号：US16932802

申请日：2020-07-19

Applicant: SFC CO., LTD.

Inventor： Sung Hoon Joo ,  Ji-Hwan Kim ,  Byung-sun Yang ,  Hyeon Jun Jo ,  Sungeun Choi ,  Su-Jin Kim ,  Bong-Ki Shin ,  Soon-Wook Cha ,  Yoona Shin ,  Sung woo Kim ,  Jiwon Lee ,  Tae Young Kim ,  Seok-bae Park ,  Yu-rim Lee ,  Hee-dae Kim ,  Seongeun Woo ,  Dong Myung Park

IPC: H01L51/00 ,  H01L51/50

Abstract: Disclosed herein is an organic light emitting diode comprising a compound represented by Chemical Formula A or B and an anthracene derivative represented by Chemical Formula H. Here, Chemical Formulas A, B, and H are as described in the specification.

公开(公告)号：US10957865B2

公开(公告)日：2021-03-23

申请号：US15660388

申请日：2017-07-26

Applicant: SFC CO., LTD.

Inventor： Yeongtae Choi ,  Se-jin Lee ,  Seok-bae Park ,  Taejung Yu ,  Byung-sun Yang ,  Dajung Lee

IPC: H01L51/00 ,  C07D405/04 ,  C07D405/10 ,  C07D491/048 ,  C07D495/04 ,  C07D409/14 ,  C09K11/06 ,  C07D405/14 ,  H01L51/50 ,  H01L51/52

Abstract: Disclosed is an organic light emitting compound represented by Formula I: HAr1-(L)n-HAr2  (I). Also disclosed is an organic light emitting diode including the organic light emitting compound. Particularly, the organic light emitting diode employs the organic light emitting compound as a material for electron injection and transport. The organic light emitting diode can be driven at a low voltage and has improved life characteristics compared to conventional organic light emitting diodes. Due to these advantages, the organic light emitting diode is useful in a variety of industrial applications, including displays and lighting systems.

公开(公告)号：US11476426B2

公开(公告)日：2022-10-18

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: H01L51/54 ,  H01L51/00 ,  H05B33/20 ,  C07D209/86 ,  C07D251/24 ,  C07D405/10 ,  C09K11/02 ,  C09K11/06 ,  H01L51/50

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：US11075343B2

公开(公告)日：2021-07-27

申请号：US15405766

申请日：2017-01-13

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 ,  C09K11/02 ,  C07D491/048 ,  C07D405/14 ,  C07D405/10 ,  C07D209/86 ,  C09K11/06 ,  C07D405/04 ,  H05B33/20 ,  H01L51/50

Abstract: Disclosed is an organic light emitting compound represented by Formula 1: HAr1—(L)n—HAr2  (1); an organic light emitting device including the organic light emitting compound of Formula 1: and
an organic light emitting device including the organic light emitting compound of Formula 1 as a first compound and a second compound represented by Formula 2: HAr3—(L)n—HAr4  (2) .

公开(公告)号：US10981938B2

公开(公告)日：2021-04-20

申请号：US16687916

申请日：2019-11-19

Applicant: SFC CO., LTD.

Inventor： SungHoon Joo ,  Ji-Hwan Kim ,  Byung-sun Yang ,  Hyeon Jun Jo ,  Sungeun Choi ,  Su-jin Kim ,  Bong-Ki Shin

IPC: H01L51/50 ,  C07F5/02 ,  C07F11/00 ,  H01L51/00

Abstract: Disclosed are polycyclic aromatic compounds that can be employed in various organic layers of organic electroluminescent devices. Also disclosed are organic electroluminescent devices including the polycyclic aromatic compounds. The organic electroluminescent devices are highly efficient and long lasting and have greatly improved luminous efficiency.