Organic light emitting diode display device

An organic light emitting diode display device which can improve brightness and color coordinate characteristics in all emission wavelength ranges, and thus can enhance light extraction efficiency and color reproducibility. The organic light emitting diode display device includes a substrate (100),...

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Bibliographic Details
Main Authors KOO, YOUNG-MO, JUN, HYUK-SANG, JEONG, HYE-IN, SONG, OK KEUN
Format Patent
LanguageEnglish
French
German
Published 09.12.2009
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Summary:An organic light emitting diode display device which can improve brightness and color coordinate characteristics in all emission wavelength ranges, and thus can enhance light extraction efficiency and color reproducibility. The organic light emitting diode display device includes a substrate (100), a first electrode (103) disposed on the substrate, an organic layer disposed on the first electrode (103) and having an emission layer, a second electrode (105) disposed on the organic layer, and first (102) and second (101) refraction layers. A stack of the first (102) and second (101) refraction layers is disposed either between the first electrode (103) and the substrate (100) or on the second electrode. A refractive index of the first refraction layer is smaller than a refractive index of the second refraction layer. A thickness of the first refraction layer is no greater than 100 nm.
Bibliography:Application Number: EP20090251503