ORGANIC ELECTRIC FIELD LIGHT-EMITTING ELEMENT

ORGANIC ELECTRIC FIELD LIGHT-EMITTING ELEMENT

An organic electric field light-emitting element, which contains: an anode; a cathode; and a light-emitting layer provided between the anode and the cathode, wherein the light-emitting layer contains two or more luminescent materials each giving a different emission peak, and a concentration ratio [...

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Hauptverfasser: YASUDA HIDEKI, SATOH TASUKU
Format: Patent
Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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creator YASUDA HIDEKI
SATOH TASUKU
description An organic electric field light-emitting element, which contains: an anode; a cathode; and a light-emitting layer provided between the anode and the cathode, wherein the light-emitting layer contains two or more luminescent materials each giving a different emission peak, and a concentration ratio [(B/A)×100] in the light-emitting layer gradually increases along with the direction from an anode side of the light-emitting layer to a cathode side of the light-emitting layer, where A denotes a concentration of the luminescent material having the emission peak at the shortest wavelength side compared to the emission peaks of other luminescent materials, and B denote a concentration of the luminescent material having the emission peak at the longest wavelength side compared to the emission peaks of other luminescent materials, and wherein the light-emitting layer satisfies the relationship of: [(B/A)×100] 10%.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
title ORGANIC ELECTRIC FIELD LIGHT-EMITTING ELEMENT
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