公开(公告)号：US20230337522A1

公开(公告)日：2023-10-19

申请号：US18297781

申请日：2023-04-10

Applicant: UNIVERSAL DISPLAY CORPORATION

Inventor： Wei-Chun Shih ,  Tyler Fleetham ,  Eric A. Margulies ,  Jui-Yi Tsai ,  Pierre-Luc T. Boudreault ,  Rasha Hamze ,  Walter Yeager ,  Alexey Borisovich Dyatkin ,  Sarwat Chowdhury

IPC: H10K85/30 ,  C07F15/00 ,  C09K11/06

CPC classification number: H10K85/342 ,  C07F15/0033 ,  C09K11/06 ,  C09K2211/185 ,  C09K2211/1029 ,  C09K2211/1044 ,  H10K50/11

Abstract: Provided is a compound having a formula of Ir(LA*)m(LB*)n(LC*)p; wherein



each LA, LB, and LC is independently a monoanionic bidentate ligand and different from each other;
n and p each is independently 0, 1, or 2; m is 1 or 2; and m+n+p is 3;
a free-state of LA has a first triplet energy T1 of EA at 77K;
a free-state of LB has a first triplet energy T1 of EB at 77K;
a free-state of LC has a first triplet energy T1 of EC at 77K;
EA is less than EB and EC whichever EB and EC is present;
LA comprises at least one π-electron deficient electron-withdrawing group; and
the compound has an emission spectrum with a FWHM value of no more than 45 nm.




Also provided is a compound comprising a first ligand LA having a structure of Formula I,




wherein the variables are defined herein.

公开(公告)号：US20200168812A1

公开(公告)日：2020-05-28

申请号：US16683507

申请日：2019-11-14

Applicant: UNIVERSAL DISPLAY CORPORATION

Inventor： Peter Wolohan ,  Tyler Fleetham ,  Jason Brooks ,  Rasha Hamze ,  Nicholas J. Thompson

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

Abstract: A compound of Formula I: wherein ring A is a 5-membered or 6-membered aromatic ring; wherein RA, RB, and RC each independently represent mono to the maximum allowable substitution, or no substitution; wherein Y1 is absent or present, and when present is selected from the group consisting of a direct bond, O, S, Se, CRR′, NR, SiRR′, and BR; wherein each X1-X3 is N or CR; wherein at least one of X1-X3 is N; wherein each A1-A5 is independently C or N; wherein the maximum number of N atoms that can connect to each other within each ring is two; wherein each R1, R2, R3, and R4 is independently selected from the group consisting of alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, aryl, heteroaryl, and combinations thereof; wherein each R, R′, RA, RB, and RC is independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; and wherein any two substituents may be joined or fused together to form a ring.

公开(公告)号：US12250872B2

公开(公告)日：2025-03-11

申请号：US17001052

申请日：2020-08-24

Applicant: UNIVERSAL DISPLAY CORPORATION

Inventor： Jui-Yi Tsai ,  Pierre-Luc T. Boudreault ,  Alexey Borisovich Dyatkin ,  Jerald Feldman ,  Zhiqiang Ji ,  Hsiao-Fan Chen ,  Tyler Fleetham ,  Sean Michael Ryno ,  Rasha Hamze ,  Morgan C. Macinnis

IPC: H10K85/30 ,  H10K85/60

Abstract: Provided is a new composition of matter for phosphorescent emitters containing a chelating ligand comprised of a fused heterocyclic structure containing boron. The disclosed ligands form two bonds to the metal forming a 6-membered chelate and can be further substituted to form tridentate or tetradentate ligands.

公开(公告)号：US20250063940A1

公开(公告)日：2025-02-20

申请号：US18804155

申请日：2024-08-14

Applicant: UNIVERSAL DISPLAY CORPORATION

Inventor： Fadi M. Jradi ,  Hsiao-Fan Chen ,  Rasha Hamze

IPC: H10K85/30 ,  C07F15/00 ,  C09K11/02 ,  C09K11/06 ,  H10K50/12

Abstract: Provided are organometallic compounds wherein a central metal atom is coordinated by a tetradentate ligand comprising at least four 5- or 6-membered carbocyclic or heterocyclic rings, wherein one of the at least four 5- or 6-membered carbocyclic or heterocyclic rings is fused to an imidazole ring. Also provided are formulations comprising these organometallic compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these organometallic compounds.

公开(公告)号：US12187751B2

公开(公告)日：2025-01-07

申请号：US17129963

申请日：2020-12-22

Applicant: Universal Display Corporation

Inventor： Rasha Hamze ,  Hsiao-Fan Chen ,  Tyler Fleetham ,  Sean Michael Ryno

IPC: H01L51/50 ,  C07F5/02 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60 ,  H10K50/11 ,  H10K50/15 ,  H10K50/17 ,  H10K50/18 ,  H10K101/10 ,  H10K101/30

Abstract: Provided are organometallic compounds as both sensitizer and as acceptor. Also provided are formulations comprising these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.

公开(公告)号：US12048246B2

公开(公告)日：2024-07-23

申请号：US18047797

申请日：2022-10-19

Applicant: UNIVERSAL DISPLAY CORPORATION

Inventor： Peter Wolohan ,  Tyler Fleetham ,  Jason Brooks ,  Rasha Hamze ,  Nicholas J. Thompson

IPC: H10K85/60 ,  C07D403/14 ,  C07D487/04 ,  C09K11/02 ,  C09K11/06 ,  H10K50/11 ,  H10K101/00 ,  H10K101/10

CPC classification number: H10K85/6572 ,  C07D403/14 ,  C07D487/04 ,  C09K11/02 ,  C09K11/06 ,  H10K85/654 ,  C09K2211/1007 ,  C09K2211/1018 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/185 ,  H10K50/11 ,  H10K2101/10 ,  H10K2101/90

Abstract: A compound of Formula I:






wherein ring A is a 5-membered or 6-membered aromatic ring;
wherein RA, RB, and RC each independently represent mono to the maximum allowable substitution, or no substitution;
wherein Y1 is absent or present, and when present is selected from the group consisting of a direct bond, O, S, Se, CRR′, NR, SiRR′, and BR;
wherein each X1-X3 is N or CR;
wherein at least one of X1-X3 is N;
wherein each A1-A5 is independently C or N;
wherein the maximum number of N atoms that can connect to each other within each ring is two;
wherein each R1, R2, R3, and R4 is independently selected from the group consisting of alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, aryl, heteroaryl, and combinations thereof;
wherein each R, R′, RA, RB, and RC is independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; and
wherein any two substituents may be joined or fused together to form a ring.

公开(公告)号：US20220109120A1

公开(公告)日：2022-04-07

申请号：US17528552

申请日：2021-11-17

Applicant: Universal Display Corporation

Inventor： MORGAN C. MACINNIS ,  Hsiao-Fan Chen ,  Tyler Fleetham ,  Peter Wolohan ,  Jerald Feldman ,  Jui-Yi Tsai ,  Pierre-Luc T. Boudreault ,  Alexey Borisovich Dyatkin ,  Zhiqiang JI ,  Sean Michael Ryno ,  Rasha Hamze ,  Chun Lin ,  Elena Sheina

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

Abstract: A compound comprising a ligand LA comprising a moiety L having a structure of Formula I is provided. In Formula I, LA coordinated to a metal M; A1 is selected from B, N, P, P═O, P═S, Al, Ga, SiR″, GeR″, and SnR″; where rings A, B, and C are 5- or 6-membered rings; Y1, Y2, and Y3 are selected from direct bonds, the metal M, and a variety of linkers; a+b+c=2 or 3; and one of a number of specific conditions is met. OLED devices, consumer products, and formulations including the compound are also provided.