公开(公告)号：US20240260464A1

公开(公告)日：2024-08-01

申请号：US18599051

申请日：2024-03-07

Applicant: LG DISPLAY CO., LTD.

Inventor： In Bum SONG ,  Seung Hee YOON ,  Gwi Jeong CHO ,  So Yeon AHN ,  Yoo Yi SON ,  Tae Shick KIM

IPC: H10K85/60 ,  H10K50/12 ,  H10K50/18 ,  H10K101/00

CPC classification number: H10K85/6572 ,  H10K85/622 ,  H10K85/624 ,  H10K85/626 ,  H10K85/633 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/12 ,  H10K50/18 ,  H10K2101/90

Abstract: The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host, a second host and a blue dopant and positioned between the first and second electrodes; a first electron blocking layer including an electron blocking material of a spirofluorene-substituted amine derivative and positioned between the first electrode and the first emitting material layer; and a first hole blocking layer including a first hole blocking material of an azine derivative and positioned between the second electrode and the first emitting material layer, wherein the first host is an anthracene derivative, and the second host is a deuterated anthracene derivative.

公开(公告)号：US20210367164A1

公开(公告)日：2021-11-25

申请号：US17290591

申请日：2019-12-21

Applicant: LG DISPLAY CO., LTD.

Inventor： In Bum SONG ,  Seung Hee YOON ,  Gwi Jeong CHO ,  So Yeon AHN ,  Yoo Yi SON ,  Tae Shick KIM

IPC: H01L51/00

Abstract: The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host, a second host and a blue dopant and positioned between the first and second electrodes; a first electron blocking layer including an electron blocking material of a spirofluorene-substituted amine derivative and positioned between the first electrode and the first emitting material layer; and a first hole blocking layer including a first hole blocking material of an azine derivative and positioned between the second electrode and the first emitting material layer, wherein the first host is an anthracene derivative, and the second host is a deuterated anthracene derivative.

公开(公告)号：US20210305513A1

公开(公告)日：2021-09-30

申请号：US17260826

申请日：2019-12-21

Applicant: LG DISPLAY CO., LTD.

Inventor： Seung Hee YOON ,  In Bum SONG ,  Jin Ho PARK ,  Dong Hyeok LIM

IPC: H01L51/00 ,  C09K11/06

Abstract: The present disclosure relates to an organic light emitting diode that includes at least one emitting material layer including an anthracene-based host and a boron-based dopant, at least one electron blocking layer including an amine-based compound substituted with at least one fused aromatic or hetero aromatic ring, and optionally at least one hole blocking layer including an azine-based compound or a benzim-idazole-based compound. The organic light emitting diode has enhanced luminous efficiency as well as excellent luminous lifetime.

公开(公告)号：US20230301175A1

公开(公告)日：2023-09-21

申请号：US17622101

申请日：2020-12-23

Applicant: LG DISPLAY CO., LTD.

Inventor： Dae Won RYU ,  In Bum SONG ,  Seung Hee YOON ,  Sang Beom KIM

IPC: H10K85/60 ,  H10K50/13 ,  H10K59/35 ,  C09K11/06

CPC classification number: H10K85/633 ,  C09K11/06 ,  H10K50/13 ,  H10K59/35 ,  H10K85/626 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K50/12

Abstract: The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host being an anthracene derivative and a first dopant being a pyrene derivative and positioned between the first and second electrodes; and a first electron blocking layer including an electron blocking material of a spirofluorene-substituted amine derivative and positioned between the first electrode and the first emitting material layer, wherein at least one of hydrogen atoms in the anthracene derivative and the pyrene derivative is deuterated.

公开(公告)号：US20220278282A1

公开(公告)日：2022-09-01

申请号：US17618234

申请日：2020-12-23

Applicant: LG DISPLAY CO., LTD.

Inventor： Dae Won RYU ,  In Bum SONG ,  Seung Hee YOON ,  Sang Beom KIM

IPC: H01L51/00 ,  C07C15/28 ,  C07D307/91 ,  C07D333/76 ,  C07D209/86 ,  C07D405/14 ,  C07D409/14 ,  C07C211/26 ,  C07C211/30 ,  C07D403/14 ,  C07D401/10 ,  C07D403/10 ,  C07D471/04 ,  C07D235/20 ,  C07D401/14

Abstract: The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host being an anthracene derivative and a first dopant being a pyrene derivative and positioned between the first and second electrodes; and a first electron blocking layer including an electron blocking material of an amine derivative including a polycyclic aryl group and positioned between the first electrode and the first emitting material layer, wherein at least one of hydrogen atoms in the anthracene derivative and the pyrene derivative is deuterated.

公开(公告)号：US20220255009A1

公开(公告)日：2022-08-11

申请号：US17614911

申请日：2020-12-23

Applicant: LG DISPLAY CO., LTD.

Inventor： Dae Won RYU ,  In Bum SONG ,  Seung Hee YOON ,  Sang Beom KIM

IPC: H01L51/00

Abstract: The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host being an anthracene derivative and a first dopant being a pyrene derivative and positioned between the first and second electrodes; and a first electron blocking layer including an electron blocking material of a heteroaryl-substituted amine derivative and positioned between the first electrode and the first emitting material layer, wherein at least one of hydrogen atoms in the anthracene derivative and the pyrene derivative is deuterated.

公开(公告)号：US20220223793A1

公开(公告)日：2022-07-14

申请号：US17614863

申请日：2020-12-23

Applicant: LG DISPLAY CO., LTD.

Inventor： Dae Won RYU ,  In Bum SONG ,  Seung Hee YOON ,  Sang Beom KIM

IPC: H01L51/00 ,  C07C15/28 ,  C09K11/06 ,  C07D307/91

Abstract: The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; and a first emitting material layer including a first host being an anthracene derivative and a first dopant being a pyrene derivative and positioned between the first and second electrodes, wherein at least one of an anthracene core of the first host and a pyrene core of the first dopant is deuterated.

公开(公告)号：US20210320265A1

公开(公告)日：2021-10-14

申请号：US17260178

申请日：2019-12-21

Applicant: LG DISPLAY CO., LTD.

Inventor： In Bum SONG ,  Seung Hee YOON ,  Jin Ho PARK ,  Dong Hyeok LIM

IPC: H01L51/00

Abstract: The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host, a second host and a blue dopant and positioned between the first and second electrodes; a first electron blocking layer including an electron blocking material of an amine derivative and positioned between the first electrode and the first emitting material layer; and a first hole blocking layer including at least one of a first hole blocking material and a second hole blocking material and positioned between the second electrode and the first emitting material layer, wherein the first host is an anthracene derivative, and the second host is a deuterated anthracene derivative, and wherein the first hole blocking material is an azine derivative, and the second hole blocking material is a benzimidazole derivative.

公开(公告)号：US20220020929A1

公开(公告)日：2022-01-20

申请号：US17295315

申请日：2019-12-21

Applicant: LG DISPLAY CO., LTD.

Inventor： In Bum SONG ,  Seung Hee YOON ,  Jeong Dae SEO

IPC: H01L51/00 ,  C07C15/28 ,  C09K11/06 ,  C07D307/91 ,  C07F5/02

Abstract: The present disclosure relates to an organic light emitting diode that includes at least one emitting material layer including an anthracene-based host and a boron-based dopant, at least one electron blocking layer including an amine-based compound substituted with at least one fused aromatic or hetero aromatic ring, and optionally at least one hole blocking layer including an azine-based compound or a benzimidazole-based compound. The organic light emitting diode has enhanced luminous efficiency as well as excellent luminous lifetime.

公开(公告)号：US20210384436A1

公开(公告)日：2021-12-09

申请号：US17283791

申请日：2019-12-21

Applicant: LG DISPLAY CO., LTD.

Inventor： Seung Hee YOON ,  In Bum SONG ,  Gwi Jeong CHO ,  So Yeon AHN ,  Yoo Yi SON

IPC: H01L51/00

Abstract: The present disclosure relates to an organic light emitting diode that includes at least one emitting material layer including an anthracene-based host and a boron-based dopant, at least one electron blocking layer including an amine-based compound substituted with at least one fused aromatic or hetero aromatic ring, and optionally at least one hole blocking layer including an azine-based compound or a benzimidazole-based compound. The organic light emitting diode has enhanced luminous efficiency as well as excellent luminous lifetime.