作者: Satoshi Seo , Hisao Ikeda
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摘要: Described is a solid-state light-emitting element, device using the and lighting device. The element comprises member with low refractive index which has hemispherical structure on first surface an uneven second surface, bonding layer high planarizes structure, body whose in contact flat of layer. provided inside at least outside shape formed surface; such that region smaller than overlaps structure.