Organic light emitting diode display for suppressing reflection of external light
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United States of America Patent
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Jun 12, 2012
Grant Date -
Jan 28, 2010
app pub date -
Jul 23, 2009
filing date -
Jul 25, 2008
priority date (Note) -
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Abstract
An organic light emitting diode (OLED) display is disclosed. In one embodiment, the OLED display includes i) an OLED comprising i) a first electrode, ii) an organic emission layer formed on the first electrode, and iii) a second electrode formed on the organic emission layer, ii) a dual brightness enhancement film (DBEF) formed over the second electrode of the OLED, iii) a first polarizing plate formed on the DBEF, iv) a cholesteric liquid crystal (CLC) layer formed on the first polarizing plate, v) a phase delay plate that is a ¼ wavelength plate formed on the CLC layer and vi) a second polarizing plate formed on the phase delay plate.
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