Organic electroluminescent devices with high thermal stability

Details Organic electroluminescent devices with high thermal stability Organic electroluminescent devices with high thermal stability

1995-03-08

1996-09-10

Ryan, Patrick

Stock material or miscellaneous articles

Composite

Of inorganic material

428457, 428704, 428917, 313506, B32B 900

Patent

active

055544509

ABSTRACT:
An organic electroluminescent device which includes an anode and a cathode, and an organic electroluminescent element disposed between the anode and cathode. The organic electroluminescent element has at least one hole transporting layer. The hole transport layer includes a polyaromatic amine of the formula: ##STR1## where n is equal to 3, 4, 5, or 6;

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