| 摘要 |
One object is to reduce the weight of a lighting device including an electroluminescent material. An object is to achieve high reliability of a lighting device including an electroluminescent material. In a lighting device including a light-emitting element having an electroluminescence (EL) layer, a housing formed using an organic resin whose refractive index is greater than or equal to that of the EL layer is provided to cover a light emission surface and a top surface of the light-emitting element. In addition, an inorganic insulating film covering an inner wall of the housing provided with the light-emitting element and the top surface of the light-emitting element is preferably provided.
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