| http://www.w3.org/ns/prov#value | - the above-mentioned organic EL layer is a patterned luminous layer and is characterized in that the width of an area with uneven film thickness formed on the edge part of the above-mentioned patterned luminous layer is 15 ??m or less, preferable 10 ??m or less, and especially preferable 7 ??m or less.
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