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: Provided are compounds having a tetradentate structure of that are useful as emitters in OLED applications.

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 are compounds having a tetradentate structure of that are useful as emitters in OLED applications.

Abstract: This invention relates to a composition including (a) a dopant, (b) a first host having at least one unit of Formula I, and (c) a second host compound having Formula II. The formulae have the structures: where Q is a fused ring linkage having the formula In Formula I: Ar1 is an aromatic group including at least one electron-withdrawing group or a deuterated analog; Ar2 is an aryl group, an aromatic group including at least one electron-withdrawing group or a deuterated analog; R1 and R2 are the same or different at each occurrence and are H, D, aryl or deuterated aryl. In Formula II: R3 is the same or different at each occurrence and is D, aryl, or deuterated aryl, with the proviso that at least one R3 is aryl or deuterated aryl; R4 and R5 are the same or different at each occurrence and are D, aryl, or deuterated aryl; a is an integer from 1-4; and b and c are the same or different and are an integer from 0-4.

Abstract: There is provided a compound having Formula I In Formula I: R1-R10 are the same or different and can be H, D, alkyl, aryl, alkoxy, aryloxy, silyl, or deuterated analogs of alkyl, aryl, alkoxy, aryloxy and silyl, where adjacent R groups can be joined together to form a ring; and all other sites are H or D. Additionally in Formula I: (i) at least one of R1-R3 and at least one of R4-R6 is alkyl, alkoxy, silyl, or a deuterated analog, and (ii) at least one of R1-R3 and at least one of R4-R6 is aryl, aryloxy, or a deuterated analog.

Abstract: This invention relates to a composition including (a) a dopant, (b) a first host having at least one unit of Formula I, and (c) a second host compound having Formula II. The formulae have the structures: where Q is a fused ring linkage having the formula In Formula I: Ar1 is an aromatic group including at least one electron-withdrawing group or a deuterated analog; Ar2 is an aryl group, an aromatic group including at least one electron-withdrawing group or a deuterated analog; R1 and R2 are the same or different at each occurrence and are H, D, aryl or deuterated aryl. In Formula II: R3 is the same or different at each occurrence and is D, aryl, or deuterated aryl, with the proviso that at least one R3 is aryl or deuterated aryl; R4 and R5 are the same or different at each occurrence and are D, aryl, or deuterated aryl; a is an integer from 1-4; and b and c are the same or different and are an integer from 0-4.

Abstract: There is provided a compound having Formula I In Formula I: R1-R10 are the same or different and can be H, D, alkyl, aryl, alkoxy, aryloxy, silyl, or deuterated analogs of alkyl, aryl, alkoxy, aryloxy and silyl, where adjacent R groups can be joined together to form a ring; and all other sites are H or D. Additionally in Formula I: (i) at least one of R1-R3 and at least one of R4-R6 is alkyl, alkoxy, silyl, or a deuterated analog, and (ii) at least one of R1-R3 and at least one of R4-R6 is aryl, aryloxy, or a deuterated analog.