US 7,381,479 B2
Organometallic compounds and emission-shifting organic electrophosphorescence
Sergey Lamansky, Maplewood, Minn. (US); Mark E. Thompson, Anaheim, Calif. (US); Vadim Adamovich, Los Angeles, Calif. (US); Peter I. Djurovich, Long Beach, Calif. (US); Chihaya Adachi, Hokkaido (Japan); Marc A. Baldo, Princeton, N.J. (US); Stephen R. Forrest, Princeton, N.J. (US); and Raymond Kwong, Plainsboro, N.J. (US)
Assigned to The University of Southern California, Los Angeles, Calif. (US); The Trustees of Princeton University, Princeton, N.J. (US); and Universal Display Corporation, Ewing, N.J. (US)
Filed on May 03, 2005, as Appl. No. 11/122,160.
Application 11/122160 is a continuation of application No. 09/978455, filed on Oct. 16, 2001, granted, now 6,939,624.
Application 09/978455 is a continuation in part of application No. 09/637766, filed on Aug. 11, 2000, granted, now 6,911,271.
Claims priority of provisional application 60/283814, filed on Apr. 13, 2001.
Prior Publication US 2005/0214576 A1, Sep. 29, 2005
This patent is subject to a terminal disclaimer.
Int. Cl. H01L 51/54 (2006.01); C09K 11/06 (2006.01)
U.S. Cl. 428—690  [428/917; 313/504; 257/40; 257/E51.044; 546/2; 546/4; 546/5; 548/101; 548/103; 548/110; 548/402; 544/225] 9 Claims
 
1. A compound having a chemical structure represented by a formula selected from the group consisting of

OG Complex Work Unit Drawing

OG Complex Work Unit Drawing

OG Complex Work Unit Drawing