Abstract: Compounds that are organic radicals that can have a dual function. The compounds can be fluorescent emitters that emit in the near-IR. The compounds can also facilitate reverse intersystem crossing (RISC) to convert triplet excitons in an OLED to singlet excited states to maximize utilization of generated excitons in the OLED and approach 100% internal quantum efficiency.

Abstract: Compounds of Formula I, and Formula IIa, Formula IIb, are provided. In these structures, M is Pt or Pd; each of X1 to X6, X9 to X12, and Z1 to Z3 is C or N; each of L1, L2, L3, and L4 is a direct bond or a linker; at least three of L1, L2, L3, and L4 are present; each K1, K2, and K3 is a bond, O, or S; when Z1 is N, ring A in Formula I is not a pyridine or pyrazole; L5 is a bond or an organic linker; Y is selected from the group consisting of amino, alkoxy, aryloxy, or SiR1R2R3; when Y is SiR1R2R3, L2 is not BR. Devices, consumer products, and formulations containing these compounds are also disclosed.

Abstract: A compound of Formula I: wherein ring A is a 5-membered or 6-membered aromatic ring; wherein RA, RB, and RC each independently represent mono to the maximum allowable substitution, or no substitution; wherein Y1 is absent or present, and when present is selected from the group consisting of a direct bond, O, S, Se, CRR?, NR, SiRR?, and BR; wherein each X1-X3 is N or CR; wherein at least one of X1-X3 is N; wherein each A1-A5 is independently C or N; wherein the maximum number of N atoms that can connect to each other within each ring is two; wherein each R1, R2, R3, and R4 is independently selected from the group consisting of alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, aryl, heteroaryl, and combinations thereof; wherein each R, R?, RA, RB, and RC is independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroa

Abstract: Novel organic metal complexes containing fused isoquinoline type ligands useful as emitters for near infrared OLED devices are disclosed.

Abstract: The present disclosure relates to organometallic compounds and formulations and their various uses including as hosts or emitters in devices such as organic light emitting diodes and related electronic devices. In particular, the present disclosure provides are compounds having the structure of Formula I as defined herein. Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.

Abstract: A compound including a first bidentate ligand LA that includes a structure of Formula I, are provided. The ligand LA is coordinated to a metal M and can be joined with other ligands. In Formula I, in addition to some exclusions, each of X1, X2, X3, and X4 is C or N; two R1, R2, and R3 can be joined or fused to form a ring; and each R1, R2, and R3 is independently a group containing the metal M, a hydrogen, or a General Substituent defined herein. Formulations, OLEDs, and consumer products containing the compound are also provided.

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: An organic light emitting device (OLED) architecture in which efficient operation is achieved for the OLED having three hosts in the emissive layer by incorporating at least one multi-component functional layer selected from the group consisting of a hole injecting layer, a hole transporting layer, an electron blocking layer, a hole blocking layer, an electron transporting layer, and an electron injecting layer.

Abstract: A compound of Formula I, or Formula II, is provided. In Formulae I and II, M is Pt or Pd; each RA, RA?, RA?, RB, R1, R2, R3, R4, and R5 is hydrogen or one of the General Substituents; R1? is one of the General Substituents; at least one of RA?, RA?, and RB is not hydrogen; any two of RA, RA?, RA?, RB, R1, R2, R3, R4, and R5 may be joined or fused together to form a ring; and RA?, RA?, and RB together comprise at least one heterocyclic group or at least two carbocyclic groups; with the proviso that at least one of RA? and RA? comprises a cyclic group when RB is one of five specific moieties.

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: Provided is an organic light emitting device that includes, sequentially: an anode; a hole transporting layer; an emissive region; an electron transporting layer; and a cathode; where the emissive region includes a first compound, and a second compound whose lowest-energy excited state is not a lowest excited triplet state T1.

Abstract: Compounds that are organic radicals that can have a dual function. The compounds can be fluorescent emitters that emit in the near-IR. The compounds can also facilitate reverse intersystem crossing (RISC) to convert triplet excitons in an OLED to singlet excited states to maximize utilization of generated excitons in the OLED and approach 100% internal quantum efficiency.

Abstract: Compounds comprising a first ligand LA of are disclosed. In LA, ring B is a 5- or 6-membered ring; Y is O, S, NRY, or CRYRY?; Z1 is O, S, NR, or CRR?; X1 is C or N; each R, R?, RY, RY?, RA, and RB is hydrogen or a substituent; LA is coordinated to a metal M by the dashed lines; any two of R, R?, RY, RY?, RA, and RB can be joined to form a ring; and with the proviso that the compound does not comprise Formula II, wherein each of Z? and Z? is C or N. Formulations, OLEDs, and consumer products containing the compound are also disclosed.

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: Provided are new compositions of matter for host materials in OLEDs by incorporating deuterated moieties in the organic molecules. Also provided are formulations comprising these deuterated compounds. Further provided are OLEDs and related consumer products that utilize these deuterated compounds.

Abstract: Organic emissive devices are provided that include host structures with electron and/or hole transporting components having specific energy levels that promote good charge balance and enhanced charge capture. The disclosed energy level structures provide host systems that reduce exciplex formation and thereby promote improved device internal quantum efficiency and stability, or which intentionally include exciplex formation so as to modify the average orientation of the dipole.

Abstract: High performance OLED that includes deuterated compounds in the emissive layer are disclosed. The OLED includes an anode; a cathode; and an emissive layer, disposed between the anode and the cathode. In the OLED, the emissive layer includes a first phosphorescent emitter and a first host; the first phosphorescent emitter is a metal complex; the first host is partially or fully deuterated; and at least one additional condition is true.

Abstract: Provided are OLEDs and related electronic devices that utilize these OLED devices. The OLED includes an emissive region that includes a sensitizer and an acceptor, where the sensitizer has a lowest excitation energy state ET1, and is capable of harvesting triplet excitons; where the acceptor is capable of receiving energy from the sensitizer and functioning as a fluorescent emitter at room temperature; where the acceptor has a first moiety and a second moiety, the first moiety having a lowest singlet excitation energy state ES1A and a lowest triplet excitation energy state ET1A, and the second moiety having a lowest singlet excitation energy state ES1B and a lowest triplet excitation energy state ET1B; and where ES1A<ES1B, ET1A>ET1B, and ET1>ES1A.

Abstract: Embodiments of the disclosed subject matter provide a device including one or more organic layers that include an emissive layer, a first electrode layer disposed over the one or more organic layers, a plurality of nanostructures formed as part of the first electrode layer, a substrate, a second electrode layer, where the second electrode layer is disposed on the substrate, the one or more organic layers are disposed on the second electrode layer, and the first electrode layer including the plurality of nanostructures is disposed on the one or more organic layers and within the predetermined threshold distance of the emissive layer.

Abstract: Devices and techniques are provided for achieving OLED devices that include one or more enhancement layers formed at least partially from a plasmonic material exhibiting surface plasmon resonance that non-radiatively couples to an organic emissive material in the organic emissive layer, where a majority of excited state energy is transferred from the organic emissive material to a non-radiative mode of surface plasmon polaritons of the enhancement layer.