2P1-13 高齢者の視覚機能を考慮した好ましい照明 : ものがきれいに見える照明(講演,福祉機器設計)

概要

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This paper deals with a preferred lighting for elderly people. The term, the preferred lighting is led Japanese term Kirei. In this study, the term of Kirei is defined beautiful, bright, vivid, clear, shape and so on. The experiments are carried out in darkroom for getting accurated comparison values between elderly people and younger people. The five light sources are used, the incandescent lamp (2700K, Ra=100), two kinds of the fluorescent lamps (4100K, Ra=87.5; 4900K, Ra=87.5) and two kinds of the LEDs (4000K, Ra=84; 5300K, Ra=85). The evaluation is performed by the Semantic Differential Method. The illuminance is 500lx. We discussed the experimental results between the elderly people and younger people. As the results, it is found that LEDs are the best lighting.
社団法人日本機械学会の論文
2005-12-07