| 摘要 |
The present invention relates to an organic electroluminescent light emitting device including: a substrate; and a plurality of organic electroluminescent elements being arranged and mounted on the substrate and each having a transparent electrode, a reflective electrode and an organic light emitting layer interposed between the transparent electrode and the reflective electrode, with surface emission of the organic light emitting layer being allowed to outgo toward a top side of the organic electroluminescent light emitting device through the transparent electrode, in which the substrate has a ridge between two adjacent elements of the organic electroluminescent elements, and the ridge has reflecting surfaces facing side end faces of the two adjacent elements for reflecting side lights outgoing from the side end faces of the two adjacent elements toward the top side of the organic electroluminescent light emitting device.
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