Abstract: Provided is an OLED that includes in its emissive region a first compound, a second compound, and a third compound, where the first compound is capable of functioning as a phosphorescent emitter in an OLED at room temperature, the second compound meets at least one of the following conditions: (1) the second compound is capable of functioning as a TADF emitter in an OLED at room temperature; and (2) the second compound is capable of forming an exciplex with the first compound in an OLED at room temperature, and the third compound is a fluorescent compound that functions as an emitter in the OLED of the present disclosure at room temperature.

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: A method for processing a wafer is provided. The method includes forming a photoresist layer over a passivation layer on the wafer; etching an opening in the passivation layer; after etching the opening in the passivation layer, moving the wafer into a first wafer carrier, wherein the first wafer carrier has a first box and a first cover pivotally connected with the first box, and one of the first box and the first cover has an opening; and performing a first gas removal process to remove a gas released from the wafer away from the first wafer carrier through the opening.

Abstract: A compound having formula (LA)nIr(LB)3-n or formula (LA)mPt(LC)2-m is provided, in which the ligand LA has a structure of Formula I, wherein R has the structure of where two adjacent atoms from the four atoms marked with * are C and are fused to ring B. In Formulas I and II, ring A is a carbocyclic or heterocyclic ring; ring B is an aromatic ring; X is NR?, CR?R?, SiR?R?, O, S or Se; each of Z and X1 to X13 are carbon or nitrogen; R1, R2, R3, R4, R?, and R? are each hydrogen or a substituent; LB is an unsubstituted or substituted phenyl pyridine bidentate ligand or its derivative; and LC is a bidentate ligand.

Abstract: Provided is an organic light emitting device (OLED) comprising: an anode; a cathode; and an emissive region disposed between the anode and the cathode; wherein the emissive region comprises: a compound S1; a compound A1; and a compound H1; wherein the compound S1 is a sensitizer that transfers energy to the compound A1; wherein the compound A1 is an acceptor that is an emitter, and wherein the compound H1 is a host. Also provided are the devices containing an OLED as described herein. Further provided are compositions and methods of deuterating aromatic compounds and for making these OLEDs.

Abstract: Provided is an OLED having an anode, a cathode and an organic emissive layer disposed between the anode and the cathode.

Abstract: A compound having a first ligand LA including a structure of Formula I, is provided. In Formula I, each of X1 to X6 is independently C or N; X and Y are selected from a group of linking atoms; K is a direct bond or a linking atom; each R is hydrogen or a General Substituent defined therein; 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: Iridium complexes comprising three different bidentate ligands and their use in OLEDs to enhance the device efficiency and lifetime are disclosed. The complexes have a structure of the formula Ir(LA)(LB)(LC), where ligand LA is selected from a variety of structures, ligand LB has the structure and LC has the structure In these structures rings A, B, C, and D are each independently a 5 or 6-membered carbocyclic or heterocyclic ring; R1, R2, R3, RA, RB, RC, and RD can be any of a variety of substituents, and Z1 and Z2 are each independently C or N.

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 A.

Abstract: A compound comprising a first ligand LA comprising a structure of Formula I, ?is provided. In Formula I, moieties A, B, C, and D are each independently a monocyclic ring or a multicyclic fused ring system; each of X1 to X8 is C or N; each independently represents a single bond or a double bond; each of L1, L2, L3, and L4 is independently a direct bond or a linking group; each R, R?, R?, RA, RB, RC, and RD is a hydrogen or a General Substituent; any two adjacent R, R?, R?, RA, RB, RC, and RD may be joined or fused to form a ring; and LA is coordinated to a transition metal M. Formulations, OLEDs, and consumer products containing the compound are also provided.

Abstract: A compound having formula (LA)nIr(LB)3-n or formula (LA)mPt(LC)2-m is provided, in which the ligand LA has a structure of Formula I, wherein R has the structure of where two adjacent atoms from the four atoms marked with * are C and are fused to ring B. In Formulas I and II, ring A is a carbocyclic or heterocyclic ring; ring B is an aromatic ring; X is NR?, CR?R?, SiR?R?, O, S or Se; each of Z and X1 to X13 are carbon or nitrogen; R1, R2, R3, R4, R?, and R? are each hydrogen or a substituent; LB is an unsubstituted or substituted phenyl pyridine bidentate ligand or its derivative; and LC is a bidentate ligand.

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: New organometallic complexes having bis- or tris- heteroleptic ligands and large aspect ratio in one direction and their use in OLEDs to enhance the efficiency is disclosed. Such compounds can have a structure of Formula III, where rings A, B, C, and D are ring; L1 and L3 each a direct bond or a linking group; n1 and n2 are 0 or 1; if n1 or n2 is 1, then L2 or L4 is a direct bond or a linking group, and if n1 or n2 is 0, L2 or L4 is not present; Q1, Q2, Q3 and Q4 are a direct bond or oxygen; ring A is trans to ring D, ring B is trans to ring C in a square-planar coordination configuration; M2 is Pt, and the compound comprises at least one Pt-carbene bond.

Abstract: Provided are compounds of formula Ir(LA)m(LB)n, where m and n are each independently 1 or 2; and m+n=3; where LA has a structure of Formula I and LB has a structure of Formula II that are useful as emitters in OLEDs. Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.

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: A compound comprising a first ligand LA comprising Formula I, is provided. In Formula I, moiety A is a monocyclic ring or a polycyclic fused ring system; moiety B is a fused ring structure; each of Z1 to Z4 is C or N; K and L are each direct bonds or linkers; each substituent is hydrogen or a General Substituent defined herein; at least one RB is an electron-withdrawing group, and at least one RB substituent ortho to REW comprises a structure of Formula II, or no RB substituent ortho to REW is H or D. Formulations, OLEDs, and consumer products containing the compound are also provided.

Abstract: Provided are compounds of formula Ir(LA)m(LB)n, where m and n are each independently 1 or 2; and m+n=3; where LA has a structure of Formula I and LB has a structure of Formula II that are useful as emitters in OLEDs. Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.

Abstract: The present invention discloses novel Pt(IV) compounds useful for enhancing the performance of organic electroluminescent devices.

Abstract: A heteroleptic compound of formula Ir(LA)x(LB)y(LC)z where LA comprises LB comprises a structure of and ligand LC is a bidentate ligand. In addition, moiety A is a monocyclic ring or a polycyclic fused ring system; each of Z1, Z2, and X1 to X13 is C or N; each of Y1 and Y2 is a linking group; Z is C, Si, or Ge; each R substituent is hydrogen or a General Substituent 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.