Abstract: A compound comprising a ligand of LA of Formula I, is provided with variables as defined herein. Formulations, OLEDs, and consumer products including the compound are also disclosed.

Abstract: An OLED comprising an anode, a cathode, and an emissive layer, disposed between the anode and the cathode is provided. The emissive layer comprises a first phosphorescent emitter and a first host, where the first phosphorescent emitter is a metal complex; the first host is partially or fully deuterated; the first host is an electron transporting host; and the first host has a HOMO level (H1HOMO) greater than ?5.65 eV, with the proviso that the first host is at least 25% deuterated if H1HOMO is less than ?5.6 eV. Consumer products incorporating the OLED are also provided.

Abstract: A compound is disclosed that has a metal coordination complex structure having at least two ligands coordinated to the metal; wherein the compound has a first substituent R1 at one of the ligands' periphery; wherein a first distance is defined as the distance between the metal and one of the atoms in R1 where that atom is the farthest away from the metal among the atoms in R1; wherein the first distance is also longer than any other atom-to-metal distance between the metal and any other atoms in the compound; and wherein when a sphere having a radius r is defined whose center is at the metal and the radius r is the smallest radius that will allow the sphere to enclose all atoms in the compound that are not part of R1, the first distance is longer than the radius r by at least 2.9 ?.

Abstract: An OLED structure including a first organic layer disposed between the anode and the cathode is disclosed. The first organic layer includes a primary phosphorescent emitter and a first host, and where one of the following conditions is true: (1) the first organic layer further includes a secondary emitter; or (2) the OLED further includes a second organic layer disposed between the anode and the cathode, wherein the second organic layer includes a secondary emitter. The phosphorescent emitter has a peak emission wavelength ?max that is ?600 nm and ?750 nm, the secondary emitter has a peak emission wavelength ?max that is ?750 nm, and the first host has a lowest excited state triplet energy T1 that is at least 0.1 eV higher than that of the primary phosphorescent emitter.

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 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: Provided is a compound of Formula of Ir(LA)n(LB)m(LC)o, wherein ligand LA has a structure of Formula I, ligand LB has a structure of Formula II, and LC is a bidentate ligand; and wherein n is 1, or 2; m is 1, or 2; o is 0, or 1; and n+m+o=3; and all the remaining variables are defined herein. Formulations, OLEDs, and consumer products containing the compound are also provided.

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 heteroleptic compound of formula Ir(LA)m(LB)n(LC)o, where LA has a structure of Formula I, and LB has Formula II, is provided; and LC is a bidentate ligand. In Formulae I and II, moieties A and D are independently a rings or polycyclic ring systems, one of moiety A and moiety D is coordinated to Ir by a 5-membered ring, and the other is coordinated to Ir by a 6-membered ring; each of X, X1 to X12 is C or N; Y is a linking atom; each RA, RB, RC, RD, and RE is hydrogen or a general substituent; and at least one RD or RE substituent comprises an electron-withdrawing group, or an aryl or heteroaryl substituted with an electron-withdrawing group. Formulations, OLEDs, and consumer products containing the compound are also provided.

Abstract: The present disclosure provides a metal coordination complex compound. The metal complex compound is capable of functioning as an emitter in an organic light emitting device (OLED) at room temperature, and has a vertical dipole ratio (VDR) greater than 0.33 in the OLED. Formulations, OLEDs, and consumer products including the same are also provided.

Abstract: A compound is disclosed that has a metal coordination complex structure having at least two ligands coordinated to the metal; wherein the compound has a first substituent R1 at one of the ligands' periphery; wherein a first distance is defined as the distance between the metal and one of the atoms in R1 where that atom is the farthest away from the metal among the atoms in R1; wherein the first distance is also longer than any other atom-to-metal distance between the metal and any other atoms in the compound; and wherein when a sphere having a radius r is defined whose center is at the metal and the radius r is the smallest radius that will allow the sphere to enclose all atoms in the compound that are not part of R1, the first distance is longer than the radius r by at least 2.9 ?.

Abstract: Provided is an OLED structure includes an organic layer having a primary phosphorescent emitter and a first host; where one of the following conditions is true: (1) the organic layer further includes a secondary emitter; or (2) the OLED further includes a second organic layer where the second organic layer includes a secondary emitter. The primary phosphorescent emitter has a peak emission wavelength ?max that is ?600 nm and ?750 nm; the secondary emitter has a peak emission wavelength ?max that is ?750 nm; the primary phosphorescent emitter is capable of transferring energy to the secondary emitter; the first host has a lowest excited state triplet energy T1 that is at least 0.1 eV higher than that of the primary phosphorescent emitter; the primary phosphorescent emitter has the formula Pt(L1)m; L1 can represent one or more ligands that are the same or different; each L1 is independently monodentate or multidentate; and m represents a maximum possible number of ligands L1 that can coordinate to Pt.

Abstract: Embodiments of the disclosed subject matter provide a device that may include an emissive surface having a plurality of pixels, where each pixel has four or more sub-pixels, and where each pixel may be capable of: (a) a color rendering index (CRI) that is ga minimum of 85; and (b) a minimum color gamut equal to 85% of a color space, wherein the color space is selected from at least one of a group consisting of: DCI-3, BT.2020, and Adobe™ RGB 1998.

Abstract: A compound of Formula M(L1)(L2)x(L3)y that functions as an OLED emitter and has a peak wavelength emission energy is provided. In Formula M(L1)(L2)x(L3)y, M is a metal atom; L1, L2, and L3 are bidentate ligands; x is 1 or 2; y is 0 or 1; M(L1)3, M(L2)3, and M(L3)3 have first triplet excited state energies of T1(L1), T1(L2), and T1(L3), respectively; where T1(L1) < T1(L2), and T1(L2) ? T1(L3) when L3 is present. The compound has an energy gap parameter, T1(L2) - T1(L1), of at least 0.13 eV; and a calculated angle between the rod-like axis and the transition dipole moment (TDM) vector is less than 20 degrees. Also provided is a compound of Formula M(L1*)(L2)x(L3)y wherein the compound is defined herein.

Abstract: A compound of Formula Ir(LA)n(LB)m(LC)p is provided where m and n are 1 or 2, p is 0 or 1, and m+n+p=3. Ligand LA has a structure of ligand LB has a structure of and ligand LC is a bidentate ligand. In the compound, ring A? is a ring or is absent; each of R1 and R1? is alkyl, heteroalkyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, silyl, germyl, or a combination thereof; moiety C is a monocyclic ring or a fused ring system; each of Z1 and Z2 and X1 to X11 is independently C or N, except that X12 and X13 are C if ring A? is present; each RA, RA?, RB, RC, and RD is hydrogen or one of the General Substituents; and at least one RC or RD comprises an electron withdrawing group. Formulations, OLEDs, and consumer products containing the compound are also provided.

Abstract: An OLED including an anode, a cathode, and an organic layer between the anode and the cathode, where the organic layer includes a compound having the formula [LA]3-nIr[LB]n is disclosed.

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 ?-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.

Abstract: Provided is a compound of Formula of Ir(LA)n(LB)m(LC)o, wherein ligand LA has a structure of Formula I, ligand LB has a structure of Formula II, and LC is a bidentate ligand; and wherein n is 1, or 2; m is 1, or 2; o is 0, or 1; and n+m+o=3; and all the remaining variables are defined herein. Formulations, OLEDs, and consumer products containing the compound are also provided.

Abstract: A compound of formula Ir(LA)m(LB)n is provided, where m and n are 1 or 2, and m + n = 3; where ligand LA has a structure of Formula I, ; ligand LB has a structure of Formula II, and LA and LB are different. In Formulae I and II, moiety E is a ring or polycyclic fused ring system; each of X1 to X10 is C or N; Y is a linking group that forms a 5-membered ring; each R*, R?, R?, RA, RB, RC, RD, and RF is hydrogen or a General Substituent; RE is hydrogen or a General Substituent other than silyl; and RE and at least one of RA or RB comprise aliphatic carbon atoms. Formulations, OLEDs, and consumer products containing the compound are also provide.

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 (?E) 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.