Organic electroluminescent element and light emitting device with optical path control layer

摘要

According to one embodiment, an organic electroluminescent element includes a first electrode, a second electrode provided opposite to the first electrode, an organic light emitting layer provided between the first electrode and the second electrode, and a protrusion. The protrusion is provided at least one of between the first electrode and the organic light emitting layer and between the organic light emitting layer and the second electrode.

主权项

1. An organic electroluminescent element comprising:
a first electrode; a second electrode provided opposite to the first electrode; an organic light emitting layer provided between the first electrode and the second electrode; and a protrusion provided at least one of between the first electrode and the organic light emitting layer and between the organic light emitting layer and the second electrode; and an optical path control layer provided on an opposite side of the first electrode from a side provided with the organic light emitting layer, a formula
n1×0.9≦n2≦n1×1.1 is satisfied, where n2 is a refractive index of an optical path control layer, and n1 is a refractive index of the organic light emitting layer.