Organic light emitting devices containing a metal complex of 5-h

Details Organic light emitting devices containing a metal complex of 5-h Organic light emitting devices containing a metal complex of 5-h

1997-04-15

1999-01-19

Nold, Charles

Stock material or miscellaneous articles

Composite

Of inorganic material

428691, 428917, 313504, H05B 3300

Patent

active

058612190

ABSTRACT:
The present invention is directed to organic light emitting devices comprised of an electroluminescent layer containing a host material comprised of a metal complex of (5-hydroxy)quinoxaline: ##STR1## wherein M is Al, Ga, In, Zn or Mg, with n=3, if M is Al, Ga or In and n=2, if M is Zn or Mg, and to a method for fabricating such devices. Further disclosed for use in the electroluminescent layer of organic light emitting devices are dopant materials comprised of a bisphenyl-squarilium compound, an indigo dye compound or a fullerene compound.

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Forrest, S. et al., "Organic emitters promise a new generation of displays," Laser Focus World, Feb. 1995, pp. 99-107.
You, Y. et al., New Orange and Red Organic Light-Emitting Devices (OLEDS) Using Aluminum Tris(5-Hydroxyquinoxaline), 213TH ACS National Meeting, San Francisco, CA, Apr. 13-17, 1997, Poster Session Paper No. 619, Apr. 15, 1997, (Abstract).

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