ORGANIC ELECTROLUMINESCENCE DEVICE
First Claim
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1. An electroluminescence device comprising an anode, a cathode, and an emitting layer located between the anode and the cathode, wherein the emitting layer contains a compound selected from the group consisting of neutral red and derivatives of neutral red.
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Abstract
An electroluminescence device has an anode, a cathode and an emitting layer located between the anode and the cathode. The emitting layer contains a compound selected from a group consisting of neutral red and its derivatives.
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4 Claims
- 1. An electroluminescence device comprising an anode, a cathode, and an emitting layer located between the anode and the cathode, wherein the emitting layer contains a compound selected from the group consisting of neutral red and derivatives of neutral red.
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4. Use of a compound of having a formula selected from the group consisting of formulas I, II, III, IV, and V
for doping a light emitting layer of an electroluminescence device, wherein in general formulas I, II, IV, and V, R1-R8 are selected independently from the group consisting of hydrogen, halogen, cyano, nitro, carbonyl, sulfone, ester, alkoxy, alkyl, alkylamino, dialkylamino, arylamino, diarylamino, haloalkyl containing a lower alkyl, hydroxyalkyl containing a lower alkyl, styryl, alkoxyl, alkyloxy, alkylthio, aryloxy, arylthio, siloxy, aryl or substituted aryl, and substituted or unsubstituted heterocyclic hydrocarbons, and in formula III, R1-R6 are selected independently from the group consisting of halogen, cyano, nitro, carbonyl, sulfone, ester, alkoxy, alkyl, alkylamino, dialkylamino, arylamino, diarylamino, haloalkyl containing a lower alkyl, hydroxyalkyl containing a lower alkyl, styryl, alkoxyl, alkyloxy, alkylthio, aryloxy, arylthio, siloxy, aryl or substituted aryl, and substituted or unsubstituted heterocyclic hydrocarbons, and R5 and R6 cannot both be hydrogen.
Specification