Abstract: An improved organic light emitting device is disclosed that includes an emissive layer between an anode and a cathode, where the emissive layer has an aggregate of one or more neutral transition metal complexes having a square planar geometry. At least one of the one or more neutral transition metal complexes has a coordination metal selected from Ni, Pd, and Au. When a voltage is applied across the anode and cathode at room temperature, the emissive layer emits a luminescent radiation that has a first luminescent radiation component produced from exciplex formation by the transition metal complexes present in the emissive layer, and the first luminescent radiation component has a peak maximum wavelength ?max that is ?500 nm at room temperature.

Abstract: A compound comprising a first ligand LA comprising a structure of Formula I, is provided. In Formula I, each of moiety A and moiety B is a monocyclic ring or a polycyclic fused ring system; each of X1 to X4 and Z1 to Z4 is C or N; at least one of X1 to X4 is N; each of K1 and K2 is a direct bond or a linker; Y is a linker; each R, R?, R?, R?, RA, RB, and RC is hydrogen or a substituent; LA is coordinated to a metal M; and at least one of five conditions related to X1 to X4 and/or RC is met. Formulations, OLEDs, and consumer products containing the compound are also provided.

Abstract: An organic light emitting device (OLED) comprising, sequentially an anode; a hole transporting layer; an emissive region; an electron transporting layer; and a cathode is provided. In the OLED, the emissive region comprises a compound S1 and a compound A1, where the compound S1 is an organometallic sensitizer that transfers energy to the compound A1, and the compound A1 is an acceptor that is an emitter; the compound A1 has an emission onset greater than 750 nm; and the PLQY of the emissive region comprising both compound S1 and compound A1 is greater than the PLQY of an equivalent emissive region without compound A1. Consumer products containing the OLED are also provided.

Abstract: A compound E1 capable of functioning as an emitter an organic light emitting device (OLED) at room temperature is provided. The compound is a metal coordination complex; the metal coordination complex comprises a first ligand, LA, that comprises a first group; and the metal coordination complex comprises a covalent bond between the metal and the first group; wherein the transition dipole moment (TDM) of the emissive state of the complex has a vector, wherein an angle formed between the TDM vector and the covalent bond between the metal and the first group is less than or equal to 40°, and wherein an excited state of the metal coordination complex has a LC character localized on the first group of greater than or equal to 45%. Formulations, OLEDs, and consumer products containing the compound are also provided.

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.

Abstract: Embodiments of the disclosed subject matter provide an emissive layer, a first electrode layer, a plurality of nanoparticles and a material disposed between the first electrode layer and the plurality of nanoparticles. In some embodiments, the device may include a second electrode layer and a substrate, where the second electrode layer is disposed on the substrate, and the emissive layer is disposed on the second electrode layer. In some embodiments, a second electrode layer may be disposed on the substrate, the emissive layer may be disposed on the second electrode layer, the first electrode layer may be disposed on the emissive layer, a first dielectric layer of the material may be disposed on the first electrode layer, the plurality of nanoparticles may be disposed on the first dielectric layer, and a second dielectric layer may be disposed on the plurality of nanoparticles and the first dielectric layer.

Abstract: Provided are compounds, formulations comprising compounds, and devices that utilize compounds, where the devices include a substrate, a first electrode, an organic emissive layer comprising an organic emissive material disposed over the first electrode. The device includes an enhancement layer, comprising a plasmonic material exhibiting surface plasmon resonance that non-radiatively couples to the organic emissive material and transfers excited state energy from the organic emissive material to the non-radiative mode of surface plasmon polaritons. The enhancement layer is provided no more than a threshold distance away from the organic emissive layer, where the organic emissive material has a total non-radiative decay rate constant and a total radiative decay rate constant due to the presence of the enhancement layer. At least one of the organic emissive material and the organic emissive layer has a vertical dipole ratio (VDR) value of equal or greater than 0.33.

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 R?, R?, 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.

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.

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

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.

Abstract: A compound comprising a first ligand LA of Formula I, is provided. In Formula I, moiety A is a carbocyclic or heterocyclic ring; Q is C, N, B, or Si; each of X1 to X5 is C or N; Y is a linking group; K is a direct bond or a linking group; each R, R?, R?, R?, R?, RA, RB, and RC is hydrogen or a General Substituent defined herein; no two RA are joined; and at least one RA, RB, or RC includes a silyl group or a germyl group. Formulations, OLEDs, and consumer products containing the same are also provided.

Abstract: A compound comprising a structure of Formula I, is provided. In Formula I, RW has a structure of Formula II, where at least two RE substituents are joined to form a 5- to 10-membered ring; each of X1 to X11 and Z1 to Z3 is C or N; M is Pd or Pt; each of moiety A, moiety B, moiety C, and moiety D is a ring or a polycyclic fused ring system; each of L1 and L2 is a direct bond or a linker; each substituent is hydrogen or a General Substituents defined herein; and any two substituents may be joined or fused to form a ring, Formulations, OLEDs, and consumer products containing the compound are also provided.

Abstract: This invention discloses iridium complexes containing phenylpyridine ligand wherein there is an aryl or heterocyclic ring fused into phenyl ring. The iridium complexes showed desired device performance.

Abstract: Full-color pixel arrangements for use in devices such as OLED displays are provided, in which multiple sub-pixels are configured to emit different colors of light, with each sub-pixel having a different optical path length than some or all of the other sub-pixels within the pixel.

Abstract: A compound comprising a first ligand LA of Formula I, is provided. In Formula I, each of moiety A and moiety B is a monocyclic ring or a polycyclic fused ring system; each of X1 to X4 is C, N, or B; Z1 and Z2 are C or N; Y is a one-atom long linker; K1 and K2 are a direct bond or a one-atom long linker, where one of K1 and K2 is a linker; each R, R?, R?, R?, RA and RB is a hydrogen or a General Substituent defined herein; 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: An OLED having an emission spectrum is provided. The OLED comprises an anode; a cathode; and an organic emissive region, disposed between the anode and the cathode. The emissive region comprises a first compound and a second compound where the first compound comprises a first moiety (F1), a second moiety (F2), and a direct bond or an organic linker (L1) connecting the first moiety (F1) and the second moiety (F2); a free form of the first moiety (F1) is capable of forming an exciplex with the second compound; L1 does not comprise a 5-membered ring containing a spiro carbon or a silicon atom as a ring atom; a root mean squared function (RMSD) value for the emission spectrum of the OLED and an emission spectrum of a Reference OLED is not greater than 0.1. Formulations and consumer products related to the same are also provided.

Abstract: A compound of Formula Ir(LA)x(LB)y(LC)z is provided. In Formula Ir(LA)x(LB)y(LC)z, x, Y, and z are non-negative integers; x+y+z=3; LA has a structure of Formula I, LB and LC are bidentate ligands; moiety A is a monocyclic ring or a polycyclic fused ring system; ring C is a 5- or 6-membered heterocyclic ring; each of Z, Z1, X1 to X6 is independently C or N; each of X and Y is a linker that is one-atom in length; each independently represents a single bond or a double bond; each R, R?, RA, RB, and RC is hydrogen or a General Substituent defined herein. Formulations, OLEDs, and consumer products containing the compound are also provided.

Abstract: Embodiments of the disclosed subject matter provide a full-color pixel arrangement for a device, the full-color pixel arrangement including a plurality of sub-pixels, each having an emissive region of a first color, where the full-color pixel arrangement comprises emissive regions having exactly one emissive color that is a red-shifted color of a deep blue sub-pixel of the plurality of sub-pixels. Embodiments of the disclosed subject matter may also provide a full-color pixel arrangement for a device, the full-color pixel arrangement including a plurality of sub-pixels, each having an emissive region of a first color, where the full-color pixel arrangement comprises emissive regions having exactly one emissive color, and where the plurality of sub-pixels comprise a light blue sub-pixel, a deep blue sub-pixel, a red sub-pixel, and a green sub-pixel.

Abstract: Provided are phenylthienothiazole containing compounds. The compound of the present invention comprises a first phenylthienothiazole-derived ligand LA according to Formula I as described herein which is coordinated to Ir to form a 5-membered chelate ring. Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.