ORGANIC ELECTROLUMINESCENT ELEMENT
PROBLEM TO BE SOLVED: To provide an organic EL element which does not change in light emission color and has excellent performance. SOLUTION: In the organic electroluminescent element having a hole transport layer and a light emitting layer held between a pair of electrodes, the hole transport layer...
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| creator | ARIMOTO YOICHI ASAKO YOSHINOBU |
| description | PROBLEM TO BE SOLVED: To provide an organic EL element which does not change in light emission color and has excellent performance. SOLUTION: In the organic electroluminescent element having a hole transport layer and a light emitting layer held between a pair of electrodes, the hole transport layer includes a metal oxide, and the light emitting layer includes at least one kind of boron compound represented by general formula (1) [R1, R2and R3are each independently an aryl group or heterocyclic group, or any two of R1, R2 and R3 are combined with each other to form a ring; R4is a hydrogen atom or a substituent; m is an integer of 0 to 2; Q is a linking group, X is a nitrogen atom, an oxygen atom, a sulfur atom, a phosphorus atom or a selenium atom; a dotted line half arc represents that Q and X may be parts of a common ring; a dotted and a solid line between Q and X represents a single bond and a double bond, respectively; an arrow extending from X to B represents a coordinate bond; Ra is hydrogen or a monovalent to quadrivalent organic skeleton; and n is an integer of 1 to 4]. COPYRIGHT: (C)2011,JPO&INPIT |
| format | Patent |
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SOLUTION: In the organic electroluminescent element having a hole transport layer and a light emitting layer held between a pair of electrodes, the hole transport layer includes a metal oxide, and the light emitting layer includes at least one kind of boron compound represented by general formula (1) [R1, R2and R3are each independently an aryl group or heterocyclic group, or any two of R1, R2 and R3 are combined with each other to form a ring; R4is a hydrogen atom or a substituent; m is an integer of 0 to 2; Q is a linking group, X is a nitrogen atom, an oxygen atom, a sulfur atom, a phosphorus atom or a selenium atom; a dotted line half arc represents that Q and X may be parts of a common ring; a dotted and a solid line between Q and X represents a single bond and a double bond, respectively; an arrow extending from X to B represents a coordinate bond; Ra is hydrogen or a monovalent to quadrivalent organic skeleton; and n is an integer of 1 to 4]. 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SOLUTION: In the organic electroluminescent element having a hole transport layer and a light emitting layer held between a pair of electrodes, the hole transport layer includes a metal oxide, and the light emitting layer includes at least one kind of boron compound represented by general formula (1) [R1, R2and R3are each independently an aryl group or heterocyclic group, or any two of R1, R2 and R3 are combined with each other to form a ring; R4is a hydrogen atom or a substituent; m is an integer of 0 to 2; Q is a linking group, X is a nitrogen atom, an oxygen atom, a sulfur atom, a phosphorus atom or a selenium atom; a dotted line half arc represents that Q and X may be parts of a common ring; a dotted and a solid line between Q and X represents a single bond and a double bond, respectively; an arrow extending from X to B represents a coordinate bond; Ra is hydrogen or a monovalent to quadrivalent organic skeleton; and n is an integer of 1 to 4]. 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| subjects | ADHESIVES BASIC ELECTRIC ELEMENTS CHEMISTRY DYES ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES SEMICONDUCTOR DEVICES |
| title | ORGANIC ELECTROLUMINESCENT ELEMENT |
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