Universal Display Corporation

Neil Palmer

Joseph A Macor

Geza Szigethy

Pierre-Luc T Boudreault

Zhiqiang Ji

Jason Brooks

Tyler Fleetham

Hsiao-Fan Chen

Wei-Chun Shih

George Fitzgerald

Woo-Young So

Diana Drennan

Muazzam Idris

Elena Sheina

Mahesh Paudyal

The present disclosure provides a compound including a first ligand Lof Formula I, In Formula I, ring A is a 7 to 12-membered heterocyclic ring that is fused to ring B, which is a 5-membered or 6-membered heterocyclic ring; ring C is a 5- or 6-membered ring; n is 1 or 2; X is selected from B, N, Al, In, and Ga; each W is selected from NR, O, S, Se, SO, SO, BR, CRR', C═CRR′, SiRR′, PRR′, and GeRR′; each of Z, Z, and Zis independently C or N; at least one of Z, Z, and Zis N; each R, R′, R, R, and Ris hydrogen or general substituent; each of Kand Kis a direct bond, O, or S; Lis coordinated to a metal M. Formulations, OLEDs, and consumer products containing the compound are also disclosed.

Organic electroluminescent materials and devices

Provided are compounds having the structure of Formula I: wherein rings A, B, and D are each independently a 5-membered or 6-membered carbocyclic or heterocyclic ring; X-Xare each independently C or N; Yis selected from the group consisting of a direct bond, O, S, Se, NR, SiRR', CRR′, and P(O)R; R, R′, R, R, R, and Reach independently represents mono to the maximum allowable substitution, or no substitution; each R, R′, R, R, R, and Ris independently a hydrogen or a substituent; and any two adjacent groups of R, R, R, and Rmay 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.

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.

Growing community of inventors

Frenchtown, NJ, United States of America

Neil Palmer