Abstract: Provided are compounds comprising a first ligand LA; wherein LA comprises a 5-membered heterocycle joined to a metal M by a M-C or M-N bond; wherein the 5-membered heterocycle comprises at least one boron atom; wherein M is selected from the group consisting of Os, Ir, Pd, Pt, Cu, Ag, and Au; and wherein LA does not comprise a structure of Formula I. wherein X is B or N; with the proviso that the 5-membered heterocycle does not comprise a B—B bond; and with the proviso that if M is Pd or Pt and the 5-membered heterocycle is fused to a benzene ring, the benzene ring is not part of a 6-membered chelate ring comprising M. Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.

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: Provided is a compound of Formula I in which at least one moiety A, moiety B, moiety C, or moiety D is a 6-membered carbocyclic or heterocyclic ring, and at least one RA, RB, RC, or RD includes a group having Formula II where RX can be silyl, germyl, boryl, nitrile, F, CF3, cycloalkyl, heterocycloalkyl, or monocyclic heteroaryl. The compounds are useful as emitters in OLEDs providing improved efficiency.

Abstract: The present invention includes novel platinum complexes with tridentate ligands forming dimeric structures that are calculated to have blue emission. The ligand backbone and pendant donor rings can be altered to give different emission maxima. The present invention also includes various pendant donor rings and multiple different ligand backbones. Such complexes are suitable for use as an emitter in organic light emitting devices.

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.

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: Provided are organometallic compounds having a formula Ir(LA)(LB)(LC), wherein: ligand LA is ligand LB is and ligand LC is Also provided are formulations including these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.

Abstract: Provided are organometallic complexes including 5-membered heterocyclic rings. The compounds include a ligand LA having a structure of Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.

Abstract: Provided are organometallic compounds including a ligand LA of a structure of Formula I Also provided are formulations including these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.

Abstract: A compound of Formula I useful as an emitter in OLED is disclosed.

Abstract: A compound comprising a ligand LA of Formula I, where G has a structure of is disclosed. In ligand LA, Ring C is a 5-membered or 6-membered ring; K is a direct bond, O, or S; when K is O or S, X6 is C; each of RA, RB, and RC is H or a substituent, and can be joined together to form a ring; each of X1 to X6 is independently C or N; X1 is C if it is connected to ring C; the RB substituents of at least two adjacent ones of X2 to X5 are joined to form a ring; and the ligand LA is complexed to Ir through the two indicated dash lines to form a 5-membered chelate ring. Organic light emitting devices, consumer products, formulations, and chemical structures containing the compounds are also disclosed.

Abstract: A compound comprising a ligand LA having the formula: is disclosed. Such a compound is suitable for use an emitter in organic light emitting devices.

Abstract: The present invention includes novel heterocyclic materials for use as blue phosphorescent materials in OLED devices. The novel materials include two fused 5-membered aromatic or pseudoaromatic rings, which are bonded with 6 membered aromatic rings to serve as chelation ligands for a transition metal. The novel materials were determined computationally to have appropriate triplet energies for use as blue emitters and to possess sufficient chemical stability for use in devices.

Abstract: This invention relates to compounds containing heterocycles or azaheterocycles and phenylene or azaphenylene wherein at least one ring is a five-membered ring. These novel compounds are useful as host materials for phosphorescent electroluminescent devices.

Abstract: The present invention relates to compounds containing fused dibenzo more-than-six-membered heterocycles or azaheterocycles. These compounds may be useful as host materials for phosphorescent electroluminescent devices.

Abstract: This invention relates to the development of heterocyclic materials for use as red, green, and blue phosphorescent materials in OLED devices. The materials are based in part on a pair of aromatic or psuedoaromatic rings bonded to one another and complexed to a transition metal. Azaborinane, borazine, and related aromatic structures including boron may be incorporated as fused rings, as pendant groups, or as bridging groups to tune color and improve chemical stability. Desirable structures may be selected by being determined computationally to have appropriate triplet energies for use as blue emitters and to possess sufficient chemical stability for use in devices.

Abstract: Provided are compounds comprising a ligand LA of Formula I

Abstract: According to an aspect of the invention, a rotary feeder for transferring comminuted fibrous material is provided having as components: a rotary feeder housing, having at least one inlet opening for receiving material (chips) and at least one opening for discharging material (chips), and an internal shear edge assembly adjacent the inlet; wherein a protective baffle (doctor blade) is adjacent to the shear edge assembly; a rotor, rotatably mounted with the rotary feeder housing and having pockets for accepting material introduced to the rotary feeder housing; and a power source which rotates the rotor in said housing; and wherein the rotary feeder housing has a recess along the length of the rotor in the inlet at an exit end of the inlet, the recess being of sufficient size to allow the shear edge assembly and doctor blade to sit within the recess.

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: This invention relates to the development of heterocyclic materials for use as blue phosphorescent materials in OLED devices. The materials are based on a pair of 5-membered aromatic or psuedoaromatic rings bonded to one another and complexed to a transition metal. The materials were determined computationally to have appropriate triplet energies for use as blue emitters and to possess sufficient chemical stability for use in devices.