ORGANIC EL ELEMENT, AND IMAGE DISPLAY DEVICE PROVIDED WITH THE SAME

PROBLEM TO BE SOLVED: To provide an organic EL element having a high reverse bias withstand voltage and an image display device provided with the same. SOLUTION: The organic EL element 1 is provided with a substrate 2, an anode 3, an organic layer 4, and a cathode 5. The cathode 5 is provided with a...

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Main Authors DAIHISA KAZUHISA, WATANABE KEISUKE, TOKURA TOMOJI, ISHIGURO SHIGEYUKI, MARUOKA TOSHIAKI, KUMAGAI MICHIHIRO, CHIKAMORI HIDEKI
Format Patent
LanguageEnglish
Published 19.10.2006
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Summary:PROBLEM TO BE SOLVED: To provide an organic EL element having a high reverse bias withstand voltage and an image display device provided with the same. SOLUTION: The organic EL element 1 is provided with a substrate 2, an anode 3, an organic layer 4, and a cathode 5. The cathode 5 is provided with a first cathode material 51 and a second cathode material 52, and the second cathode material 51 is formed to be laminated on the first cathode material 51. The cathode 5 is formed with the purpose that the thickness (sum of the thickness of the first cathode material 51 and the second cathode material 52) will be at least 50 nm. COPYRIGHT: (C)2007,JPO&INPIT
Bibliography:Application Number: JP20050104784