Organic electroluminescent device

Details Organic electroluminescent device Organic electroluminescent device

1994-09-20

1996-01-30

Nold, Charles R.

Stock material or miscellaneous articles

Composite

Of inorganic material

428917, 313503, 313504, 313505, 313506, 313507, 313508, 313509, H05B 3320, H01J 162

Patent

active

054879531

ABSTRACT:
An organic electroluminescent device comprises an organic emitting layer and a hole transport layer laminated with each other and arranged between a cathode and an anode, in characterized in that the hole transport layer made of the triphenylbenzene derivative. This hole transport layer has the high heart-resistant property and high conductivity to improve the durability and thus this device emits light at a high luminance and a high efficiency upon application of a low voltage.

REFERENCES:
patent: 5256945 (1993-10-01), Imai et al.
patent: 5374489 (1994-12-01), Imai et al.

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