-
公开(公告)号:US20250063938A1
公开(公告)日:2025-02-20
申请号:US18939368
申请日:2024-11-06
Applicant: Universal Display Corporation
Inventor: Jui-Yi TSAI , Mingjuan SU , Eric A. MARGULIES , Zhiqiang JI , Alexey Borisovich DYATKIN , Walter YEAGER
Abstract: A compound having a metal coordination complex structure, where the compound is capable of functioning as a phosphorescent emitter in an organic light emitting device at room temperature is disclosed. The compound has a first ligand coordinated to a metal. The free-state of the first ligand has a first triplet energy T1 of EL at 77K, while the compound has a first triplet energy T1 of E at 77K, and the difference in energy (ΔE) between E and EL is ≤250 meV. The compound has a triplet emission spectrum with a FWHM value of no more than 45 nm. Organic light emitting devices, consumer products, and formulations containing the compounds are also disclosed.
-
公开(公告)号:US20250048918A1
公开(公告)日:2025-02-06
申请号:US18592563
申请日:2024-03-01
Applicant: UNIVERSAL DISPLAY CORPORATION
Inventor: Tyler FLEETHAM , Geza SZIGETHY , Rasha HAMZE
Abstract: Provided are organic compounds comprising at least two 6-membered aromatic rings which are linked together via a direct bond and additionally via an nitrogen atom so to form a 5-membered nitrogen-containing ring, wherein a silyl or germyl group is attached in o-position of one of the 6-membered aromatic rings. Also provided are formulations comprising these organic compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these organic compounds.
-
公开(公告)号:US20250042927A1
公开(公告)日:2025-02-06
申请号:US18744928
申请日:2024-06-17
Applicant: Universal Display Corporation
Inventor: Pierre-Luc T. BOUDREAULT , Jerald FELDMAN , Zhiqiang JI , Derek Ian WOZNIAK , Bert ALLEYNE
Abstract: A compound having a formula of M(LA)x(LB)y(LC)z is provided. In the formula, each of LA, LB, and LC is a bidentate ligand; M is a metal; LA has a structure of Formula I, moiety A is a monocyclic ring or a polycyclic fused ring system; moiety B is a polycyclic ring system comprising two 6-membered rings; Z1 to Z4 are C or N; K1 and L1 are each a direct bond or a linker; each Rα, Rβ, RA and RB is hydrogen or a General Substituent; at least one RA or RB comprises RW, where RW has a structure of Formula II, or Formula III, In formulas II and III, R1 and R2 are H, D, or F; R3 is H, D, or alkyl; and at least one of R1 or R2 is H or D. Formulations, OLEDs, and consumer products containing the compound are also provided.
-
公开(公告)号:US20250034190A1
公开(公告)日:2025-01-30
申请号:US18894391
申请日:2024-09-24
Applicant: UNIVERSAL DISPLAY CORPORATION
Inventor: Pierre-Luc T. BOUDREAULT
IPC: C07F15/00 , C07F1/08 , C07F1/12 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/17 , H10K50/18 , H10K50/82 , H10K85/30 , H10K85/60 , H10K101/10 , H10K102/00
Abstract: A compound comprising a first ligand LA of Formula I, is disclosed. In the structure of Formula I, ring A is a 5-membered or 6-membered carbocyclic or heterocyclic ring; Z1-Z4 are each independently C or N; at least two consecutive Z1-Z4 are C, and are fused to a structure of Formula II or Formula III Y1 and Y2 are each independently O, S, Se, CRR′, SiRR′, or GeRR′; each RA, RB, RC, R, and R′ is a hydrogen or a substituent; and any two substituents may be joined or fused together to form a ring. In the compound, LA is complexed to a metal M by the dashed lines in Formula I to form a five-membered chelate ring, and M has an atomic weight greater than 40. Organic light emitting devices and consumer products containing the compounds are also disclosed.
-
公开(公告)号:US20250034189A1
公开(公告)日:2025-01-30
申请号:US18814299
申请日:2024-08-23
Applicant: Universal Display Corporation
Inventor: Jui-Yi TSAI , Alexey Borisovich Dyatkin , Walter Yeager , Pierre-Luc T. Boudreault , Hsiao-Fan Chen , Wei-Chun Shih , Derek Ian Wozniak
Abstract: A compound comprising a first ligand LA of Formula I, is provided. In Formula I, moiety A is a 5-membered or 6-membered ring; moiety B is a fused ring structure comprising at least four rings; K is a direct bond, O, or S; each of Z1 and Z2 is independently C or N; each RA and RB is independently hydrogen or a General Substituent; at least one RB comprises a cyclic group or an electron-withdrawing group; LA is coordinated to a metal M that has an atomic mass of at least 40 and is optionally coordinated to other ligands; and the ligand LA is optionally linked with other ligands. Formulations, OLEDs, and consumer products including the compound are also provided.
-
公开(公告)号:US12211414B2
公开(公告)日:2025-01-28
申请号:US17382412
申请日:2021-07-22
Applicant: Universal Display Corporation
Inventor: Michael Hack , Michael Stuart Weaver
IPC: G09G3/20 , G09G3/3208
Abstract: Embodiments of the disclosed subject matter provide a device that includes a full color display. A camera may be disposed below the full color display. A controller may modify a video signal applied to one or more sub-pixels of the full color display based on a predicted degradation of the one or more sub-pixels, such that the modification is updated by the controller based on luminance data for the one or more subpixels acquired by the camera.
-
公开(公告)号:US20250017100A1
公开(公告)日:2025-01-09
申请号:US18882041
申请日:2024-09-11
Applicant: UNIVERSAL DISPLAY CORPORATION
Inventor: Fadi M. JRADI , Nicholas J. THOMPSON , Tyler FLEETHAM , Eric A. MARGULIES
IPC: H10K85/30 , C09K11/02 , C09K11/06 , H10K50/12 , H10K85/40 , H10K85/60 , H10K101/00 , H10K101/20 , H10K101/30 , H10K102/00
Abstract: Provided are OLEDs whose EML has a figure of merit (FOM) value of equal to or larger than 2.50 that have enhanced efficiency and lifetimes. FOM can be determined according to the methods disclosed herein.
-
公开(公告)号:US12193319B2
公开(公告)日:2025-01-07
申请号:US18353347
申请日:2023-07-17
Applicant: Universal Display Corporation
Inventor: Tyler Fleetham , Nicholas J. Thompson
Abstract: Provided are organometallic compounds. Also provided are formulations comprising these organometallic compounds. Further provided are OLEDs and related consumer products that utilize both a disclosed compound and a Pt complex compound.
-
公开(公告)号:US20250008833A1
公开(公告)日:2025-01-02
申请号:US18668831
申请日:2024-05-20
Applicant: Universal Display Corporation
Inventor: Zhiqiang JI , Pierre-Luc T. BOUDREAULT
Abstract: A compound comprising a first ligand LA of Formula I, is provided. In the compound, X1 and X2 are C or N; YA and YC is each single atom bridges, which can be substituted; each RA, RB, and RC is a hydrogen or a General Substituent defined herein; LA is coordinated to a metal M, and LA may be joined with other ligands; and any two substituents may be joined or fused to form a ring. Formulations, OLEDs, and consumer products containing the compound are also provided.
-
公开(公告)号:US20250002779A1
公开(公告)日:2025-01-02
申请号:US18735646
申请日:2024-06-06
Applicant: Universal Display Corporation
Abstract: A compound comprising a first ligand LA of Formula I, is provided. In Formula I, each of X1 to X6 is C or N; K is a direct bond or a linker; each of L1 and L2 is a linker; each R, R′, Rα, Rβ, RA, and RB is hydrogen or a General Substituent defined herein; two RB are joined to form a ring; LA is coordinated to a metal M. Formulations, OLEDs, and consumer products containing the compound are also provided.
-
-
-
-
-
-
-
-
-