| http://www.w3.org/ns/prov#value | - Furthermore, the EL layer may have a multi-layer configuration or a single-layer configuration by arbitrarily combining a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, or an electron injection layer. [0411] On the EL layer 4204, a negative electrode 4205 made of a conductive film (typically, conductive film mainly containing aluminum, copper, or
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