Electroluminescent devices

Details Electroluminescent devices Electroluminescent devices

1997-10-02

1999-09-14

Robinson, Ellis

Stock material or miscellaneous articles

Composite

Of inorganic material

313504, 428216, 428917, 548416, 548418, H05B 3318

Patent

active

059521155

ABSTRACT:
An organic electroluminescent (EL) device with a charge transport component of an indolocarbazole compound represented by Formulas (I) or (II) ##STR1## wherein R and R' are independently selected from the group consisting of hydrogen, alkyl, alkoxyl, aryl, and halogen; m and n are numbers from 0 to 4; A.sup.1 and A.sup.2 are arylene; Ar.sup.1, Ar.sup.2, Ar.sup.3, and Ar.sup.4 are aryl; R.sup.1 and R.sup.2 are independently selected from the group consisting of hydrogen, alkyl, alkoxyl, aryl, and halogen; and p is a number from 1 to 3.

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patent: 5516577 (1996-05-01), Matsuura et al.
patent: 5554450 (1996-09-01), Shi et al.

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