| Budget Amount *help |
¥18,070,000 (Direct Cost: ¥13,900,000、Indirect Cost: ¥4,170,000)
Fiscal Year 2015: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2014: ¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2013: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2012: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
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| Outline of Final Research Achievements |
This research work aims to clarify spectral properties of visual- and non-visual effects of optical radiation and to propose a view of solid-state lighting design that enhances health of luminous environment. Results are as follows: light sources having broadband spectral power distribution would be practically effective in adjusting sleep and awakening, short-wavelength optical radiation had a larger non-visual effect but the wavelength dependence of human physiological responses was reduced for polychromatic optical radiation, main photic factors in glare were different between photopic and mesopic conditions, and alertness during the post-lunch hours was kept in luminous environment of low colour temperature.
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