Substrate for organic light-emitting device with enhanced light extraction efficiency, method of manufacturing the same and organic light-emitting device having the same
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United States of America Patent
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Dec 5, 2017
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Apr 5, 2013
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Apr 6, 2012
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Abstract
A substrate for an organic light-emitting device (OLED) with enhanced light extraction efficiency, a method of manufacturing the same and an OLED having the same, in which the light extraction efficiency is enhanced, thereby reducing the phenomenon of color shift in which color changes depending on the position of a viewer within the viewing angle. The transparent substrate used in an OLED includes an anode, an organic light-emitting layer and a cathode which are stacked on each other, the transparent substrate comprising a porous layer in at least one portion of one surface thereof that adjoins the organic light-emitting device, a refractive index of the porous layer being smaller than a refractive index of the transparent substrate.
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