公开(公告)号：US20230150992A1

公开(公告)日：2023-05-18

申请号：US17909255

申请日：2020-10-20

Applicant: P&H TECH Co., Ltd.

Inventor： Seo-Yong HYUN ,  Seok-Keun YOON

IPC: C07D413/14 ,  H10K85/60 ,  C07D519/00

CPC classification number: C07D413/14 ,  H10K85/6572 ,  H10K85/657 ,  C07D519/00 ,  H10K85/652 ,  H10K85/654 ,  H10K2102/351

Abstract: The present invention relates to an organic light emitting compound that is employed for a light efficiency improving layer provided in an organic light emitting device. The organic light emitting device employing the same achieves low-voltage driving of a further improved device and excellent luminous efficiency through improved light extraction efficiency, and thus can be usefully used in various display devices.

公开(公告)号：US20220093899A1

公开(公告)日：2022-03-24

申请号：US17470495

申请日：2021-09-09

Applicant: P&H TECH Co., Ltd

Inventor： Seo-Yong HYUN ,  Seok-Keun YOON ,  Do Yeol YOON ,  Eunji KO

IPC: H01L51/52

Abstract: The present invention relates to an organic light emitting diode which complexly includes capping layers having different refractive indexes to improve light extraction efficiency, reduce a driving voltage, and improve current efficiency.

公开(公告)号：US20240228470A1

公开(公告)日：2024-07-11

申请号：US18555493

申请日：2021-09-27

Applicant: P&H TECH Co., Ltd

Inventor： Seok-Keun YOON ,  Seo-Yong HYUN ,  In-Ho LEE

IPC: C07D405/10 ,  C07D401/10 ,  C07D405/14 ,  C07D409/04 ,  C07D409/10 ,  C07D409/14 ,  C07D413/14 ,  C07D417/14 ,  C07D491/048 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18 ,  H10K85/60

CPC classification number: C07D405/10 ,  C07D401/10 ,  C07D405/14 ,  C07D409/04 ,  C07D409/10 ,  C07D409/14 ,  C07D413/14 ,  C07D417/14 ,  C07D491/048 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  H10K50/181 ,  H10K85/654 ,  H10K85/6574 ,  H10K85/6576

Abstract: The present invention provides an organic compound that is employed in an organic layer, such as an electron transport layer, in an organic light-emitting device to realize the characteristics thereof, such as significantly improved excellence in luminosity efficiency, alongside low voltage driving characteristics of the organic light-emitting device. The organic compound and the organic light-emitting device comprising same, according to the present invention, can be industrially utilized in various lighting, display devices and the like.

公开(公告)号：US20220085336A1

公开(公告)日：2022-03-17

申请号：US17470389

申请日：2021-09-09

Applicant: P&H TECH Co., Ltd

Inventor： Seo-Yong HYUN ,  Seok-Keun YOON ,  Do Yeol YOON ,  Eunji KO

IPC: H01L51/52

Abstract: The present invention relates to an organic light emitting diode which includes a capping layer with a low refractive index to improve light extraction efficiency, thereby reducing a driving voltage, improving power efficiency, and improving current efficiency.

公开(公告)号：US20200377492A1

公开(公告)日：2020-12-03

申请号：US16817820

申请日：2020-03-13

Applicant: P&H TECH Co., Ltd

Inventor： Seo-Yong HYUN ,  Seok-Keun YOON

IPC: C07D413/14 ,  H01L51/00 ,  C07D417/14

Abstract: Disclosed is a novel organic electroluminescent compound represented by Formula (I): The organic electroluminescent compound is employed as a material for at least one organic layer of an organic electroluminescent device such as a light emitting layer, a hole transport layer, an electron transport layer, an electron blocking layer, and/or a capping layer, achieving excellent luminescent properties (including high luminous efficiency and quantum efficiency) of the device. Also disclosed is an organic electroluminescent device including the organic electroluminescent compound.

公开(公告)号：US20240260453A1

公开(公告)日：2024-08-01

申请号：US18558728

申请日：2022-05-11

Applicant: P&H TECH Co., Ltd

Inventor： Seo-Yong HYUN ,  Seok-Keun YOON ,  Gwan-hee PARK

IPC: H10K85/60 ,  C07D405/12 ,  C07D409/10 ,  C09K11/06 ,  H10K50/18

CPC classification number: H10K85/636 ,  C07D405/12 ,  C07D409/10 ,  C09K11/06 ,  H10K85/633 ,  C09K2211/1018 ,  H10K50/181 ,  H10K85/615 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576

Abstract: An organic compound according to the present invention has, as the skeleton thereof, a structure that has a phenyl group incorporated at the —N terminus at position 9 in carbazole wherein an aryl(heteroaryl)amine group is incorporated via a linker at position 4 in carbazole, and the amine group includes a terphenyl group, dibenzofuran, or dibenzothiophene. Due to these structural characteristics, the compound according to the present invention may be employed in organic layers, such as an electron block layer, in organic light-emitting devices to realize an organic light-emitting device having light emission characteristics such as low driving voltage, excellent luminous efficiency, and the like of the device, and thus may be advantageously used industrially in a variety of display devices.

公开(公告)号：US20230329101A1

公开(公告)日：2023-10-12

申请号：US17802213

申请日：2021-03-12

Applicant: P&H TECH Co., Ltd.

Inventor： Seo-Yong HYUN ,  Seok-Keun YOON ,  Gwan-hee PARK

IPC: H10K85/60 ,  C07D209/86 ,  C09K11/06 ,  C07D405/10 ,  C07D471/04

CPC classification number: H10K85/6572 ,  C07D209/86 ,  C09K11/06 ,  H10K50/84 ,  C07D405/10 ,  H10K85/6574 ,  C07D471/04 ,  H10K85/615

Abstract: The present invention relates to an organic light emitting compound adopted as a material for a light efficiency improving layer and the like provided in an organic light emitting device, and an organic light emitting device including the same, and when the organic light emitting compound according to the present invention is adopted as a material for a light efficiency improving layer provided in an organic light emitting device, the organic light emitting compound can be industrially usefully used for various display devices, lighting devices, and the like because it is possible to implement light emitting characteristics such as low voltage driving excellent color purity and excellent light emitting efficiency of the device.