ORGANIC EL DISPLAY DEVICE
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United States of America Patent
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Issued Date -
Feb 25, 2010
app pub date -
Aug 5, 2009
filing date -
Aug 22, 2008
priority date (Note) -
Abandoned
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Abstract
An organic EL display device includes a first organic EL element which includes a first organic layer including a first light emission layer which emits the color of light in the first wavelength range and a hole blocking layer between a pixel electrode and a counter-electrode, a second organic EL element which includes a second organic layer including a second light emission layer which emits the color of light in the first wavelength range between a pixel electrode and the counter-electrode, the second organic EL element being thinner than the first organic EL element, and a third organic EL element which includes a third organic layer including the third light emission layer which emits the color of light in the first wavelength range between a pixel electrode and the counter-electrode, the third organic EL element being thicker than the first organic EL element.
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