公开(公告)号：US20230023959A1

公开(公告)日：2023-01-26

申请号：US17894659

申请日：2022-08-24

Applicant: Universal Display Corporation

Inventor： LICHANG ZENG ,  Chuanjun Xia ,  Zhiqiang Ji ,  Chun Lin

IPC: H01L51/00 ,  C09K11/06 ,  C09K11/02 ,  C07F15/00

Abstract: Metal complexes with ligands bearing a five member aromatic moiety fused with dibenzofuran or its analogues useful as electroluminescence materials in OLEDs are disclosed.

公开(公告)号：US20200303657A1

公开(公告)日：2020-09-24

申请号：US16821297

申请日：2020-03-17

Applicant: UNIVERSAL DISPLAY CORPORATION

Inventor： MINGJUAN SU ,  WALTER YEAGER ,  ALAN DEANGELIS ,  BIN MA ,  JUI-YI TSAI ,  LICHANG ZENG ,  CHUANJUN XIA

IPC: H01L51/00 ,  C09K11/06 ,  C07F15/00

Abstract: The present invention includes a new series of benzofused heterocyclic ligands for metal complexes. These complexes show promising photophysical performance when incorporated into OLEDs.

公开(公告)号：US20230183280A1

公开(公告)日：2023-06-15

申请号：US17965283

申请日：2022-10-13

Applicant: UNIVERSAL DISPLAY CORPORATION

Inventor： LICHANG ZENG ,  Zhiqiang JI ,  Mingjuan T. SU ,  Edward BARRON ,  Chun LIN

IPC: C07F15/00 ,  H01L51/00 ,  H01L51/50 ,  C09K11/06

CPC classification number: C07F15/0086 ,  C07F15/0033 ,  C09K11/06 ,  H01L51/0085 ,  H01L51/0087 ,  H01L51/5012 ,  C09K2211/185 ,  H01L51/5016

Abstract: Metal complexes with cyclic ligands having Formula (I),





are disclosed. Ligands with cyclic structure are believed to be beneficial to the rigidity and stability of the metal complexes, which is desirable for improving OLED device performance.

公开(公告)号：US20230126221A1

公开(公告)日：2023-04-27

申请号：US17955933

申请日：2022-09-29

Applicant: Universal Display Corporation

Inventor： LICHANG ZENG ,  Ting-Chih Wang ,  Alexey Borisovich Dyatkin ,  Chuanjun Xia

IPC: H01L51/00 ,  C09K11/02 ,  C09K11/06 ,  H05B33/20

Abstract: A mixture of carbazole and triazine derivatives that can be thermally evaporated from one crucible to fabricate thin films for electroluminescent devices is disclosed.

公开(公告)号：US20170125702A1

公开(公告)日：2017-05-04

申请号：US15332353

申请日：2016-10-24

Applicant: UNIVERSAL DISPLAY CORPORATION

Inventor： CHUAJUN XIA ,  ZHIQIANG JI ,  LICHANG ZENG

IPC: H01L51/00 ,  C07D403/14 ,  C07D209/08 ,  C09K11/02 ,  C09K11/06

CPC classification number: H01L51/0072 ,  C07D209/08 ,  C07D403/14 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/1037 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1088 ,  C09K2211/1092 ,  C09K2211/185 ,  C09K2211/188 ,  H01L51/0054 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/5056 ,  H05B33/14 ,  H05B33/20

Abstract: Bis-Indole compounds are disclosed and used as hosts to improve the organic electroluminescent devices (OLEDs) performance.