申请人:UNIVERSAL DISPLAY CORPORATION
公开号:US20220281898A1
公开(公告)日:2022-09-08
Provided are compounds having Formula I:
wherein rings A, B, C, D, E, and F are each independently a single or fused ring system, consisting of one or more 5-membered or 6-membered carbocyclic or heterocyclic rings; L
1
, L
2
, L
3
, L
4
, L
5
, and L
6
are each independently optionally present or is selected from the group consisting of O, S, Se, BR, BRR′, NR, C═R, CRR′, SiRR′, P(O)R, and GeRR′; a, b, c, d, e and f are each 0 for not present or 1 for present; each of R, R′, R
1
, R
2
, R
3
, R
4
, R
5
, and R
6
is independently a hydrogen or a substituent; and any two of adjacent R, R′, R
1
, R
2
, R
3
, R
4
, R
5
, and R
6
can be joined or fused to form a ring. Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.