Organic electroluminescent device

Details Organic electroluminescent device Organic electroluminescent device

1993-03-26

1994-12-20

Nold, Charles R.

Stock material or miscellaneous articles

Composite

Of inorganic material

428691, 428917, 313503, 313504, 313505, 313506, 313507, 313508, 313509, H05B 3320

Patent

active

053744896

ABSTRACT:
An organic electroluminescent device having an organic emitting layer and a hole transport layer laminated with each other and arranged between a cathode and an anode, and the hole transport layer is made of tris-phenothiazinyl-triphenylamine or tris-phenoxazinyl-triphenylamine derivative. The hole transport layer has a high heat-resistant property and high conductivity to improve durability and emits light at a high luminance and a high efficiency upon application of a low voltage.

REFERENCES:
European Search Report dated Dec. 8, 1993.
Adv. Mater. 3(1991) No. 11 pp. 549-550 Higuchi et al.
J. Phys. Chem. (97) 6-10-93 No. 23 pp. 6240-6247 Naito et al.

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