Organic EL display device and method of manufacturing the same

An organic EL display device comprising:

• a pixel electrode;
• a first light emission layer which includes a first dopant material having a first absorbance peak in absorbance spectrum characteristics in an optical quenching state and a first host material having a second absorbance peak on a shorter wavelength side than the first absorbance peak, the first light emission layer being disposed above the pixel electrode;
• a second light emission layer which includes a second dopant material having a third absorbance peak in absorbance spectrum characteristics in an optical quenching state and a second host material having a fourth absorbance peak on a shorter wavelength side than the first absorbance peak and than the third absorbance peak, the second light emission layer being disposed above the first light emission layer;
• a third light emission layer which includes a third dopant material and a third host material, the third light emission layer being disposed above the second light emission layer;
• and
• a counter-electrode which is disposed above the third light emission layer.

An organic EL display device comprising:

• a pixel electrode;
• a first light emission layer which includes a first dopant material having a first absorbance peak in an optical quenching state and a first host material having a first absorbance bottom, at which a normalized absorbance in normalized absorbance spectrum characteristics is 10% or less, on a shorter wavelength side than the first absorbance peak, the first light emission layer being disposed above the pixel electrode;
• a second light emission layer which includes a second dopant material having a second absorbance peak and a second host material having a second absorbance bottom, at which a normalized absorbance in normalized absorbance spectrum characteristics is 10% or less, on a shorter wavelength side than the first absorbance peak and the second absorbance peak, the second light emission layer being disposed above the first light emission layer;
• a third light emission layer which includes a third dopant material and a third host material, the third light emission layer being disposed above the second light emission layer;
• and
• a counter-electrode which is disposed above the third light emission layer.

An organic EL display device comprising:

• a pixel electrode;
• a first light emission layer which includes a first dopant material having a first absorbance peak in an optical quenching state and a first host material having a first absorbance bottom, at which a normalized absorbance in normalized absorbance spectrum characteristics is 10% or less, on a shorter wavelength side than the first absorbance peak, the first light emission layer being disposed above the pixel electrode;
• a second light emission layer which includes a second dopant material having a second absorbance peak in an optical quenching state and a second host material having a second absorbance bottom, at which a normalized absorbance in normalized absorbance spectrum characteristics is 10% or less, on a shorter wavelength side than the first absorbance peak and the second absorbance peak, the second light emission layer being disposed above the first light emission layer;
• a third light emission layer which includes a third dopant material and a third host material, the third light emission layer being disposed above the second light emission layer;
• and
• a counter-electrode which is disposed above the third light emission layer.