Abstract: Provided are ortho-substituted biphenyl compounds with one or more bicarbazole linkages. Also provided are formulations comprising these ortho-substituted biphenyl compounds. Further provided are OLEDs and related consumer products that utilize these ortho-substituted biphenyl compounds.

Abstract: This invention discloses iridium complexes with ligands based on a phenyl quinoline backbone with at least a double substitution on the quinoline moiety. These complexes can be used as phosphorescent emitters in OLEDs.

Abstract: A compound is disclosed that includes a ligand LA of Formula I where ring C is a 5-membered or a 6-membered carbocyclic or heterocyclic ring; each RA, RB, and RC independently represents mono to the maximum allowable number of substitutions, or no substitution; LA is complexed to a metal M; M is optionally coordinated to other ligands; the ligand LA is optionally linked with other ligands to comprise a tridentate, tetradentate, pentadentate, or hexadentate ligand; and any two substituents of RB and RC may be joined or fused together to form a ring.

Abstract: Provided are organometallic compounds comprising at least a germanium containing group in the compound, wherein the germanium containing group is linked via a linker to a moiety containing at least one aromatic group. 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: Devices and techniques are provided in which an OLED panel is operated in two modes. The first mode operates in a standard way to display an image or video or otherwise illuminate sub-pixels of the panel. In the second mode, some pixels are operated at a lower brightness than in the first mode. The use of multiple modes allows for improved sub-pixel lifetime and reduced sub-pixel and image degradation.

Abstract: A compound comprising a ligand LA of Formulae I, II, or III wherein the ligand LA is coordinated to a transition metal M, and optionally, M is also coordinated to a ligand LB; A is N, B, or CR7; Y is absent, or selected from the group consisting of C(O), C(Rya)(Ryb), C?C(Rya)(Ryb), and Si(Rya)(Ryb), where if Y of Ring A is absent then ring carbon of R2 is bonded to N; wherein for the compounds of formula III at least one of R2, R3, and R4 is selected from N(Ar1)RN? or aryloxy; wherein Ar1 is selected from aryl or heteroaryl, each of which is optionally substituted. An OLED that includes an organic layer disposed between an anode and a cathode, and the organic layer includes a compound comprising a ligand LA of Formulae I, II, or III above. The OLED can be incorporated into one or more of a consumer product, e.g., an electronic component module, a flat panel display, e.g., a display for a phone, television, laptop, and/or a lighting panel for either commercial or residential applications.

Abstract: Provided is an OLED comprising: an anode electrode; a cathode electrode; an organic emissive layer, disposed between the anode and the cathode, comprising: a first host material having a HOMO energy EHH; and an emitter material having a HOMO energy EHE; wherein, all materials in the organic emissive layer are mixed together; the emitter is selected from the group consisting of a phosphorescent metal complex, and a delayed fluorescent emitter; and provided that the emitter material is not a Pt complex; EHH is equal or greater than ?5.45 eV; EHE is equal or less than ?5.15 eV; and EHE is greater than EHH.

Abstract: A compound having a Pt tetradentate structure of Formula 1, is provided. In the structure of Formula 1, rings C and D each independently represent 5- or 6-membered carbocyclic or heterocyclic ring; L1, L2, and L3 are each independently a direct bond, BR, NR, PR, O, S, Se, C?O, S?O, SO2, SiRR?, GeRR?, alkyl, cycloalkyl, or a combination thereof; the sum of n1 and n2 is 1 or 2; X is selected from NRE, O, S, and Se; X3 and X4 each independently carbon or nitrogen; and one of Q1, Q3, and Q4 is oxygen, and the remaining two of Q1, Q3, and Q4 each represents a direct bond. Formulations and devices, such as an OLEDs, that include the compound of Formula 1 are also described.

Abstract: A compound having a formula M(LA)x(LB)y(LC)z, where ligand LA is ligand LB is and ligand LC is is disclosed. In formula M(LA)x(LB)y(LC)z, M is a metal having an atomic number greater than 40; x is 1 or 2; y and z are independently 0, 1, or 2; x+y+z is the oxidation state of the metal M; A1-A8 are carbon or nitrogen; ring B is bonded to ring A through a C—C bond; M is bonded to ring A through a M-C bond; X is O, S, Se, CRR?, or NR1; rings C and D are each independently a 5 or 6-membered carbocyclic or heterocyclic ring; at least one R4 is a five-membered or six-membered heterocyclic ring which can be further substituted by RE; each R substituent is independently selected from the several substituents; and any adjacent R substitutents are optionally joined to form a ring.

Abstract: Devices, arrangements, and techniques are provided to improve the color saturation of displays such as OLED displays while avoiding or substantially reducing any increase in power consumption that typically would be associated with such increase in saturation. A three-subpixel per pixel red/green/blue (RGB) architecture is provided as well as a four sub-pixel approach which uses two red sub-pixels for each pixel (red/red/green/blue, or R1R2GB).

Abstract: A compound comprising a first ligand LA of Formula I, and a structure of Formula II, is provided. Formula II is fused to ring A by two adjacent ones of X1 to X4, which are both C. In Formula I and II, X1 to X4 are C or N; K is a direct bond, O, S, N(R?), P(R?), B(R?), C(R?)(R?), and Si(R?)(R?); moiety E is H or D; C1 is C; each of moiety B and moiety C is independently a ring or a fused ring system; each R?, R?, RA, RB, and RC is hydrogen or a General Substituent; and LA is coordinated to a metal M with an atomic mass of at least 40. If moiety C is a 6-membered ring, then moiety B is a fused ring system and then all the RC substituents comprise two or more of combined carbon atoms. Formulations, OLEDs, and consumer product including the compound are also provided.

Abstract: A compound comprising a first ligand LA of Formula I, wherein; two adjacent RA are joined together to form a structure of Formula II, fused to ring A is provided. In Formulas I and II, each of X1 to X4 is C or N; K is a direct bond, O, S, N(R?), P(R?), B(R?), C(R?)(R?), or Si(R?)(R?); Y1 is a linking group that forms a five-membered ring with ring A; Y2 is CR? or N; Z is linking group selected from O, S, Se, CRZRZ?, SiRZRZ?, GeRZRZ?, PRZ, NRZ and combinations thereof; and each R, R?, R?, R?, R?, RA, RB, RC, RZ, and RZ? is hydrogen or a General Substituent. Formulations, OLEDs, and consumer products containing the same are also provided.

Abstract: Novel metal complexes incorporating boron-containing aromatic compounds useful as a phosphorescent OLED material are disclosed.

Abstract: A first product may be provided that comprises a substrate having a first surface, a first side, and a first edge where the first surface meets the first side; and a device disposed over the substrate, the device having a second side, where at least a first portion of the second side is disposed within 3 mm from the first edge of the substrate. The first product may further comprise a first barrier film that covers at least a portion of the first edge of the substrate, at least a portion of the first side of the substrate, and at least the first portion of the second side of the device.

Abstract: A metal iridium complexes, devices containing the same, and formulations including the same described.

Abstract: Provided are organometallic compounds comprising a first ligand LA of Formula I wherein RA, RB, RC, RD, K3, ring A and ring B are each defined herein.

Abstract: Provided is a compound comprising a first ligand LA having a structure of Formula I, wherein the variables are defined herein. Also provided are formulations and products containing a compound comprising a structure of Formula I.

Abstract: A compound comprising a first ligand LA of where two adjacent ones of X1 to X4 are C and are fused to a structure selected from the group consisting of and provided. In ligand LA, each of X1 to X4 and Z to Z2 is C or N; moiety B is a fused ring system comprising two or more rings; each of Y1 and Y2 is a bridging moiety; K is selected from the group consisting of a direct bond, O, S, N(R?), P(R?), B(R?), C(R?), C(R?)(R?), and Si(R?)(R?); each R, R?, R?, R?, RA, RB, and RC is a hydrogen or a General Substituent; and LA is coordinated to a metal M having an atomic mass of at least 40. Formulations, OLEDs, and consumer products containing the compound are also provided.

Abstract: A compound including a ligand LA of Formula I, where C1 and C2 are carbon atoms and a moiety of Formula II, is bonded to one of C1 and C2 by the two dashed lines in Formula II is provided. The variables in Formulae I and II are as defined in the present disclosure.

Abstract: A compound, Ir(LA)2(LC), having a structure of Formula I, where two adjacent ones of X1, X2, X3, and X4 are C and are joined to a structure of Formula II, by the dashed lines is provided. In Formulas I and II, each of X1 to X4 is C or N; moiety B is a monocyclic ring or a fused ring system; Z is C or N; Y is CRR?, SiRR?, GeRR?, BR, or BRR?; R* is hydrogen or deuterium; each R, R?, RA, RB, R1, R2, and R3 is hydrogen or a General Substituent; RC is selected from a variety of substituents; and any two substituents can be joined or fused to form a ring. Formulations, OLEDS, and consumer products including the compound are also provided.