Abstract: Provided are organometallic compounds comprising a platinum atom as the central atom which is complexed by a tetradentate ligand comprising at least three rings as well as a at least one bicyclic moiety comprising at least one nitrogen atom. 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.
Abstract: A compound having a structure of the formula Ir(LA)(LB), in which LA is a bidentate, tridentate, tetradentate, pentadentate, or hexadentate ligand and LB is a monodentate, bidentate, tridentate, or tetradentate ligand, or not present, and where the total denticity of LA plus LB is 6, and LA includes at least one structure of Formula I: is disclosed as a useful phosphorescent emitter compound.
Type:
Application
Filed:
July 24, 2023
Publication date:
March 14, 2024
Applicant:
UNIVERSAL DISPLAY CORPORATION
Inventors:
Geza SZIGETHY, Joseph A. MACOR, Charles STANTON, Galyna DUBININA, Douglas WILLIAMS
Abstract: A compound comprising a first ligand LA of Formula I, is provided. In Formula I, moiety C is a monocyclic ring or fused polycyclic system; each of X1 to X6 is C or N; K is a direct bond or a linker; at least one of RB or RC has the formula ---L-SiR1R2R3, or ---L-GeR1R2R3; L is a direct bond or an organic linker; each R?, R?, R1, R2, R3, RA, RB, and RC is hydrogen or a General Substituent defined herein; LA is coordinated to a metal M by the dashed lines in Formula I; and M has an atomic mass of at least 40 and may be coordinated to other ligands. Formulations, OLEDs, and consumer products containing the compound are also provided.
Type:
Application
Filed:
July 6, 2023
Publication date:
March 14, 2024
Applicant:
Universal Display Corporation
Inventors:
Zhiqiang JI, Pierre-Luc T. BOUDREAULT, Jerald FELDMAN
Abstract: Provided are organometallic compounds comprising a first ligand LA which may be a bidentate, tridentate, tetradentate, pentadentate, or hexadentate ligand and which forms at least one 5-membered ring with a metal atom. 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.
Type:
Application
Filed:
July 27, 2023
Publication date:
March 14, 2024
Applicant:
UNIVERSAL DISPLAY CORPORATION
Inventors:
Jui-Yi TSAI, Geza SZIGETHY, Morgan C. MACINNIS, Alexey Borisovich DYATKIN, Llorenç BENAVENT, Miguel A. ESTERUELAS, Ana M. LOPEZ, Enrique OÑATE
Abstract: Provided are organic light emitting devices (OLED) comprising an anode; a cathode, and an organic layer between the anode and the cathode, the organic layer comprising a light-emitting dopant within a host material, the light-emitting dopant being an optically active Pt complex comprising a tetradentate ligand; wherein one enantiomer of the optically active Pt complex is present in an enantiomeric excess (ee) of at least 5%. Further provided are OLEDs comprising an anode, a cathode, and an organic layer between the anode and the cathode, the organic layer the organic layer comprising a light-emitting chiral dopant within a chiral host material, the light-emitting chiral dopant being an optically active complex; wherein one enantiomer of the optically active complex of the chiral dopant is present in an ee of at least 5%, and wherein one enantiomer of the chiral host material is present in an ee of at least 5%.
Type:
Application
Filed:
July 14, 2023
Publication date:
March 14, 2024
Applicant:
UNIVERSAL DISPLAY CORPORATION
Inventors:
Ting-Chih WANG, Hsiao-Fan CHEN, Geza SZIGETHY, Joseph A. MACOR, Neil PALMER, Jerald FELDMAN, Jason BROOKS
Abstract: Provided are compounds comprising a ligand LA of Formula I
Type:
Grant
Filed:
August 3, 2020
Date of Patent:
March 12, 2024
Assignee:
UNIVERSAL DISPLAY CORPORATION
Inventors:
Hsiao-Fan Chen, George Fitzgerald, Tyler Fleetham, Peter Wolohan, Joseph A. Macor, Morgan C. Macinnis, Wystan Neil Palmer, Geza Szigethy, Noah Horwitz
Abstract: Provided are organometallic compounds comprising a chelating tetradentate ligand with at least four cyclic structures located around a central Pt or Pd atom that can be used as light-emitters. 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.
Type:
Application
Filed:
July 6, 2023
Publication date:
March 7, 2024
Applicant:
UNIVERSAL DISPLAY CORPORATION
Inventors:
Hsiao-Fan CHEN, Peter WOLOHAN, Rasha HAMZE, Morgan C. MACINNIS, Tyler FLEETHAM, Sean Michael RYNO, Dmitry ANDRIANOV, George FITZGERALD, Geza SZIGETHY
Abstract: Novel ligands for metal complexes containing five-membered ring fused on pyrimidine ring combined with partially fluorinated side chains exhibiting improved external quantum efficiency and lifetime are disclosed.
Abstract: Provided is a new composition of matter for phosphorescent emitters containing a chelating ligand including five or more fused carbocyclic or heterocyclic rings that form two bonds to a metal forming a 7-membered chelate. This fused ring structure provides added rigidity to the molecule for enhanced stability in an OLED device and improve photophysical properties.
Abstract: Provided are boron-containing compounds. Also provided are formulations comprising these boron-containing compounds. Further provided are OLEDs and related consumer products that utilize these boron-containing compounds.
Type:
Grant
Filed:
October 6, 2020
Date of Patent:
March 5, 2024
Assignee:
UNIVERSAL DISPLAY CORPORATION
Inventors:
Peter Wolohan, Tyler Fleetham, Jerald Feldman
Abstract: A compound capable of functioning as a phosphorescent emitter in an organic light emitting device at room temperature that includes at least one aromatic ring and at least one substituent R where each of the at least one R is of Formula I
Type:
Grant
Filed:
May 14, 2019
Date of Patent:
March 5, 2024
Assignee:
UNIVERSAL DISPLAY CORPORATION
Inventors:
Zhiqiang Ji, Alexey Borisovich Dyatkin, Jui-Yi Tsai, Pierre-Luc T. Boudreault
Abstract: A compound that has the structure according to Formula M(LA)x(LB)y(LC)z is disclosed. In Formula M(LA)x(LB)y(LC)z, ligand LA is ligand LB is and ligand LC is and OLEDs and formulations containing these compounds are disclosed. In Formula M(LA)x(LB)y(LC)z; M is a metal; x is 1 or 2; X1-X4 and A1-A8 are C or N; at least one of A1-A8 is N; X is O, S, or Se; two adjacent RB form a six-member aromatic ring E fused to ring B; and each RA-RE and R1R4 is independently hydrogen or a substituent.
Abstract: Provided are compounds comprising ligands LA that are ligands of Pt and Ir complexes for OLED applications. Also provided are formulations comprising these compounds comprising ligands LA that are ligands of Pt and Ir complexes for OLED applications. Further provided are OLEDs and related consumer products that utilize these compounds comprising ligands LA that are ligands of Pt and Ir complexes for OLED applications.
Type:
Application
Filed:
October 5, 2023
Publication date:
February 29, 2024
Applicant:
UNIVERSAL DISPLAY CORPORATION
Inventors:
Wystan Neil PALMER, Wei-Chun SHIH, George FITZGERALD, Joseph A. MACOR, Rasha HAMZE, Pierre-Luc T. BOUDREAULT, Geza SZIGETHY, Zhiqiang JI, Derek Ian WOZNIAK, Hsiao-Fan CHEN
Abstract: Circulene compounds of Formula I or Formula II, and organic light emitting devices (OLED) that include an organic layer disposed between an anode and a cathode, wherein the organic layer includes a compound of Formula I or Formula II. In addition, the OLED can be incorporated into one or more of a consumer product, for example, an electronic component module, and/or a lighting panel.
Abstract: Provided are organoboron compounds. Also provided are formulations comprising these organoboron compounds. Further provided are OLEDs and related consumer products that utilize these organoboron compounds.
Abstract: Provided are OLEDs that are designed with a specific material sets that minimize the lifetime degradation of the OLED at elevated temperatures, where the features of such OLED are defined by a ratio ?LT defined as (LT90 of the OLED measured at 40° C.)/(LT90 of an identical OLED measured at 20° C.) when each of the OLED and the identical OLED is run at the same current density; wherein the resulting ?LT is greater than 0.4.
Abstract: Provided are organometallic compounds comprising a ligand which comprises a first moiety A which is a heterocyclic ring comprising at least 7 ring atoms selected from the group consisting of C, Si, B, O, S, and N, and a second moiety B which is a 5-membered or 6-membered carbocyclic or heterocyclic 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.
Type:
Application
Filed:
July 12, 2023
Publication date:
February 22, 2024
Applicant:
UNIVERSAL DISPLAY CORPORATION
Inventors:
Hsiao-Fan CHEN, Rasha HAMZE, Elena SHEINA, Noah HORWITZ, George FITZGERALD, Jerald FELDMAN, Tyler FLEETHAM, Diana DRENNAN