LIGHT EMITTER
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United States of America Patent
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Issued Date -
Feb 16, 2017
app pub date -
Apr 24, 2015
filing date -
Apr 28, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a light-emitting element capable of taking out emitted light efficiently and securing sufficient light-emitting area. The light-emitting element includes translucent substrate, concavo-convex layer having a concavo-convex pattern, first electrode layer, organic luminescent layer having a light-emitting part, second electrode layer, and lens member having diameter D1. The concavo-convex, first electrode, organic luminescent, and second electrode layers form a laminate on the first surface side of the substrate, with the concavo-convex pattern arranged on the first electrode layer side of the concavo-convex layer. The substrate is provided with the lens member on the second surface, and the light-emitting part is a laminated region of a diameter D2 of the organic luminescent layer, and the light-emitting part is aligned concentrically to the lens member. The ratio D2/D1 is 0.7
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