ORGANIC ELECTROLUMINESCENT ELEMENT, EXPOSURE HEAD, CARTRIDGE, AND IMAGE FORMING APPARATUS

PROBLEM TO BE SOLVED: To provide an organic electroluminescent element in which distortion of a light emission profile is suppressed.SOLUTION: The organic electroluminescent element includes: a cathode 115; an anode 111; a light-emitting layer 114 provided between the cathode 115 and the anode 111;...

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Bibliographische Detailangaben
Hauptverfasser:	YONEYAMA HIROTO, SATO KATSUHIRO, NISHINO YOHEI, YAMAGUCHI YOSHINORI, MASHITA KIYOKAZU, MATSUMURA TAKASHI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOSITIONS BASED THEREON ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS SEMICONDUCTOR DEVICES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an organic electroluminescent element in which distortion of a light emission profile is suppressed.SOLUTION: The organic electroluminescent element includes: a cathode 115; an anode 111; a light-emitting layer 114 provided between the cathode 115 and the anode 111; a hole injection layer 112 provided between the anode 111 and the light-emitting layer 114; and an insulating layer 113 which is provided between the cathode 115 and the hole injection layer 112 and has an opening 113A.