Abstract: Provided are organic and organometallic compounds which have a cyclic structure and which comprise at least one of SiR1R2, GeR1R2, P?O, and Se in the cyclic structure. Also provided are formulations comprising these organic and organometallic compounds. Further provided are organic light-emitting devices (OLEDs) and related consumer products that utilize these organic and organometallic compounds.

Abstract: Provided are compounds comprising a 9-membered ring to which four 6-membered carbocyclic or heterocyclic aromatic rings as well as one further 5-membered or 6-membered heterocyclic ring are fused. Also provided are formulations comprising these compounds. Further provided are organic light emitting devices (OLEDs) as well as related consumer products that utilize these compounds.

Abstract: A compound having a ligand LA comprising a structure of Formula I, is provided. In Formula I, moiety A is a monocyclic ring or a polycyclic fused-ring system; each of X1 to X12 is C or N; represents a single bond or a double bond in a Lewis structure; each RA, RB, RC, and RD is hydrogen, metal M, a General Substituent, or a substituent comprising metal M; metal M has an atomic mass of at least 40; and any two substituents may be joined to form a ring. Formulations, OLEDs, and consumer products comprising the compound are also provided.

Abstract: Provided are compounds comprising a first moiety and a second moiety, wherein the first moiety comprises an azabenzene joined to a trivalent nitrogen atom that is part of an at least three-cyclic heteroaromatic ring system. Also provided are formulations comprising these compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these compounds.

Abstract: Provided are macrocyclic compounds comprising at least one eight-membered ring and at least four further 5-membered or 6-membered carbocyclic and heterocyclic rings which may be further substituted. Also provided are formulations comprising these macrocyclic compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these macrocyclic compounds.

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: Provided are organometallic compounds that include a ligand LA of that are useful as emitters in OLEDs. Also provided are formulations comprising these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.

Abstract: A compound of Formula I, is provided. In Formula I, one of Z1, Z2, and Z3 is N and the remainder are C; each of L1 and L2 is independently selected from a direct bond and a linking group; at least one of R1, R2, RA, RB, RC, RD, and RE comprises a group R* having a structure selected form the group consisting of Formula II, -Q(R3)(R4)a(R5)b, Formula III, and Formula IV, Each R, R?, R?, R1, R2, R3, R4, R5, RA, RB, RC, RD, RE, RF, RG, and RH is independently hydrogen or a General Substituent, with the proviso that group R* is not adamantyl. Formulations, OLEDs, and consumer products containing the compound are also provided.

Abstract: A compound of a first ligand LA of Formula I, is provided. In Formula I, moieties A and B are each a monocyclic ring or a polycyclic fused-ring system; Z1 to Z4 are each C or N; K is a direct bond, O, or S; each RA and RB is independently a hydrogen or a General Substituent; at least one RA or RB is R*, wherein R* has a structure of Formula II, ---L-GeR1R2R3; L is a direct bond or an organic linker; and LA is coordinated to a metal M by the dashed lines; and metal M is selected from Ir, Rh, Re, Ru, Os, Pt, Pd, Ag, Au, or Cu.

Abstract: This invention discloses a herbal composition for treating or preventing severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), including the wild type and its different variant strains. The composition comprises the extract of Platycodon grandiflorum, which showed the synergistic inhibitory effect of infection compared to the Anti-epidemic No. 1 (AN1) consisted of Astragalus membranaceus, Atractylodes macrocephala, Saposhnikovia divaricata, Atractylodes lancea, Pogostemon cablin, Glehnia littoralis, Lonicera japonica and Cyrtomium fortunei.

Abstract: A compound having a formula of M(LA)p(LB)q(LC)r, where LA has a structure of Formula I, LB is a bidentate ligand; and LC has a structure of Formula II, is provided. In Formula I and Formula II, the compound can be homoleptic or heteroleptic and can include up to three different ligands; K3 and K4 are each independently a direct bond, O, or S; each of moiety A and moiety B represents a monocyclic ring or a polycyclic, fused-ring structure; each of Z1 and Z2 is C or N; and at least one of RA, RB, RC1, RC2, or RC3 comprises a structure of Formula III, In Formula III, L is bivalent organic linker, and Z is Si or Ge. Each RA, RB, RC1, RC2, and RC3 is independently hydrogen or a General Substituent, and each of R1, R2, and R3 is a General Substituent. Formulations, OLEDs, and consumer products including such compounds are also provided.

Abstract: Provided are organometallic compounds based on platin or palladium and their various uses including as emitters in devices having the structure of Formula I comprising at least four rings as defined herein. Also provided are formulations comprising these compounds. Further provided are organic light emitting devices and related consumer products that utilize these compounds.

Abstract: A compound including a tetradentate ligand, LA, is provided. In the compound, LA is coordinated to a metal M selected from Pt, Pd, Cu, Ag, and Au; LA comprises a first moiety and a second moiety that are different form each other and are independently coordinated to the metal M; the first moiety is a heterocyclic carbene, that is coordinated to the metal M through a metal-carbene bond, while the second moiety is a 5-membered heterocycle; and the ligand LA forms at least one M-O or M-S bond. Formulations, OLEDs, and consumer products containing the compound are also provided.

Abstract: A compound of Formula I, is provided. In Formula I, rings A, B, and D are independently 5- or 6-membered rings; Z1-Z3 and X1-X5 are independently C or N; each of K1 and K2 are a direct bond, O, and S; Y1 is BR, NR1, O, S, Se, or CRR?; represents a single bond or no bond; when present, L1, L2, L3, and L4 are each independently a direct bond or a linker; each substituent is hydrogen or a general substituent and can be joined together to form a ring. Formulations, OLEDs, and consumer products containing the same 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: Provided is a compound comprising a first ligand LA of

Abstract: Provided are compounds comprising a structure of the following Formula I: where the structure of Formula I can be coordinated to a metal M. Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.

Abstract: A compound comprising a metal M and a first ligand LA having a structure of Formula I, is described. In Formula I, each independently represents a single bond or a double bond; each of X1? to X4? is independently C, N, or NR?; at least one of X1 to X4 is NR?; each RA?, R?, R1, R2, and R3 is independently hydrogen or a general substituent; at least one of RA?, R?, R1, R2, and R3 comprises the metal M; when X1 and X2 are both NR?, the B atom of Formula I forms a maximum of one direct bond to a nitrogen atom, and does not form a direct bond to an oxygen atom; and any two adjacent RA, R?, R1, R2, and R3 can be joined or fused to form a ring. Formulations, OLEDs, and consumer products including the compounds are also described.

Abstract: Provided are organometallic compounds that include a ligand LA of that are useful as emitters in OLEDs. Also provided are formulations comprising these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.

Abstract: A control method is provided, applied to an electronic device. The electronic device includes a screen and a knob module. The control method includes: receiving a trigger signal to enable the knob module, and displaying an operating interface corresponding to the knob module on the screen according to the trigger signal, where the operating interface includes a plurality of functional regions that is arranged annularly, and the functional regions are configured to display a plurality of function options, where one of the functional regions shows a marked state; switching the functional region corresponding to the marked state according to a first input signal from the knob module; and selecting the functional region corresponding to the marked state according to a second input signal from the knob module.