| 摘要 |
An illumination device includes a mounting unit and a light source unit removably mounted to the mounting unit and provided with a flat light emitting panel. The mounting unit includes an engaged portion provided in one end portion of a mounting surface to which the light source unit is mounted and a held portion provided in the other end portion of the mounting surface opposing to one end portion. The light source unit includes a package configured to cover the light emitting panel and an engaging portion and a holding portion arranged on the surface of the package facing the mounting unit. The engaging portion is arranged to engage with the engaged portion. The holding portion is arranged to engage with the held portion. The engaging portion and the holding portion has mutually-opposing slant surfaces. The slant surfaces are inclined toward a center of the light source unit.
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