To provide plant factory for solving the food supply problems behind the illuminating device as the optimum artificial light source (flowers not only plants, seafood, including livestock). An illuminating device 1 includes a mounting substrate 2 is mounted on a surface of the mounting board 2, met in a plurality of kinds of light emitting portions 5,5A which emit light at different wavelength bands, and 5B, the mounting substrate 2 surface Te, comprise a plurality of types of light emitting portions 5,5A, a plurality of partition walls 3 provided in each of the 5B boundary between a plurality of mounting areas 4 formed between the plurality of partition walls 3,. Multiple types of light emitting portions 5,5A, each 5B, includes a plurality of light emitting elements 51 is a bare chip mounted on the mounting area 4. The mounting substrate 2 has a substantially circular, substantially elliptical shape, one of the rectangular and polygonal. .BACKGROUND【課題】背景にある食料供給問題を解決するための植物工場(植物だけでなく生花、魚介類、家畜などを含む)に最適な人工光源となる照明装置を提供する。【解決手段】照明装置1は、実装基板2と、実装基板2の表面に実装される、異なる波長帯域で発光する複数の種類の発光部5,5A,5Bと、実装基板2の表面であって、複数の種類の発光部5,5A,5Bの境界のそれぞれに設けられる複数の隔壁3と、複数の隔壁3同士の間に形成される複数の実装領域4と、を備える。複数の種類の発光部5,5A,5Bのそれぞれは、実装領域4に実装されるベアチップである複数の発光素子51を含む。実装基板2は、略円形、略楕円形、方形および多角形のいずれかを有している。【選択図】図5
