Organic electroluminescent device and organic electroluminescent display device

An organic EL device having excellent light-emitting properties, particularly a long lifetime, by controlling a balance between a hole and an electron, which is required for light-emitting in the organic EL device, includes a structure in which an anode, an organic layer including a light-emitting l...

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Bibliographic Details
Main Authors SAEKI YUMIKO, FUJITA YOSHIMASA
Format Patent
LanguageEnglish
Published 15.03.2011
Subjects
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
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Summary:An organic EL device having excellent light-emitting properties, particularly a long lifetime, by controlling a balance between a hole and an electron, which is required for light-emitting in the organic EL device, includes a structure in which an anode, an organic layer including a light-emitting layer, and a cathode are stacked on a substrate in this order, wherein the light-emitting layer includes two or more different light-emitting materials, and a difference in photoluminescence peak wavelength between the two or more different light-emitting materials is about 50 nm or less.
Bibliography:Application Number: US20080279082