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US 7,063,901 B2Granted
Organic electroluminescent device
AssigneeFuji Photo Film Co., Ltd.
InventorsTatsuya Igarashi, Kohsuke Watanabe
Life of this patent
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Abstract
An organic electroluminescent device comprising: a pair of electrodes; and at lest one organic layer provided between the pair of electrodes, at least one of the at least one organic layer being a light emitting layer, wherein the light-emitting layer comprises a compound represented by the formula (I) as defined herein.
Claims18
An organic electroluminescent device comprising:
- a pair of electrodes;
- and
- at least one organic layer provided between the pair of electrodes, at least one of the at least one organic layer being a light emitting layer,
- wherein the light-emitting layer comprises a compound represented by the formula (II):
- wherein Q21 and Q22 each represent a group necessary to form a nitrogen-containing heterocyclic ring;
- Y22 represents a nitrogen atom or a substituted or unsubstituted carbon atom;
- M21 represents a transition metal ion;
- L21 represents a ligand;
- n21 represents an integer of 1 to 3;
- and n22 represents an integer of 0 to 4;
- with proviso that a compound in which Q21 and Q22 are connected together to form a porphyrin ring is excluded.
8 more elements
An organic electroluminescent device comprising:
- a pair of electrodes;
- and
- at least one organic layer provided between the pair of electrodes, at least one of the at least one organic layer being a light emitting layer,
- wherein the light-emitting layer comprises a compound represented by the formula (III):
- wherein Q31 and Q32 each represent a group necessary to form a nitrogen-containing heterocyclic ring;
- Y32, Y34, and Y35 each represent a nitrogen atom or a substituted or unsubstituted carbon atom;
- M31 represents a transition metal ion;
- L31 represents a ligand;
- n31 represents an integer of 1 to 3;
- and n32 represents an integer of 0 to 4.
7 more elements
A compound represented by the formula (VI):
- wherein Y67 and Y68 each represent an oxygen atom, a sulfur atom, a quaternary carbon atom or a substituted or unsubstituted nitrogen atom;
- R61, R62, R63, R64, and R65 each represent a substituent;
- and n62, n63, 64, and n65 each represent an integer of 0 to 4.
An organic electroluminescent device comprising:
- a pair of electrodes;
- and
- at least one organic layer provided between the pair of electrodes, at least one of the at least one organic layer being a light emitting layer,
- wherein the light-emitting layer comprises a compound represented by the formula (I):
- wherein R11 and R12 each represent a substituent;
- Y11, Y12, and Y13 each represent a substituted carbon atom, M11 represents iridium;
- L11 represents 2-phenyl pyridine;
- X11 represents a counter ion;
- n11 represents an integer of 1;
- n12 represents an integer of2;
- and n13 represents an integer of 0;
- with proviso that a compound in which R11 and R12 are connected together to form a porphyrin ring is excluded.
9 more elements
Dependencies are inferred from the claim text.