Invention Grant
US08530062B2 Organic electroluminescent element and display 有权
有机电致发光元件和显示器

Organic electroluminescent element and display
Abstract:
An organic electroluminescent includes an organic layer with a total thickness of 150 nm or over is included between an anode and a cathode. The organic layer includes a light-emitting layer containing a host material of a polycyclic aromatic hydrocarbon compound with a basic skeleton having three to seven ring members, and hole supply layers arranged between the anode and the light-emitting layer and having a smaller thickness than a thickness of the light-emitting layer.
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