Organic light emitting element, organic light emitting display panel, and organic light emitting display apparatus

2014 
A blue light emitting element of the present invention is provided with a reflection anode (2), a transparent cathode (8), an organic light emitting layer (6b), which is disposed between the reflection anode (2) and the transparent cathode (8), a first functional layer, which is disposed between the organic light emitting layer (6b) and the reflection anode (2), and a second functional layer, which is disposed between the organic light emitting layer (6b) and the transparent cathode (8), and the blue light emitting element has a resonator structure. The first functional layer has an optical film thickness of 48-62 nm. The transparent cathode (8) is formed by laminating a first transparent conductive layer (81), a metal layer (82), and a second transparent conductive layer (83) in this order from the second functional layer side. The first transparent conductive layer (81) has a refractive index of 2.0-2.4, and a film thickness of 85-97 nm. A difference between the refractive index of the metal layer (82) and that of the first transparent conductive layer (81) is 0-2.0, and the metal layer has a film thickness of 2-22 nm.
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