关注教室黑板与课桌面亮度比

Focusing on Luminance Ratios of Chalkboard and Desk in the Classroom

本文从视觉舒适性角度,强调教室黑板与课桌面亮度比的重要性。根据黑板与课桌面亮度比的要求,对"白色"黑板与"黑色"黑板作了比较与分析,得出"白色"黑板的照明效果既有利于视觉舒适又节能明显的结论。

Based on the angle of human visual comfort,this paper mainly focuses on the importance of luminance ratios of chalkboard and desk in the classroom.According to the requirements of luminance ratios of chalkboard and desk in the classroom,＂white＂ chalkboard and ＂black＂ chalkboard are studied and compared.The research result shows that ＂white＂ chalkboard can offer a more effects of visual comfort and significant energy saving than ＂black＂ chalkboard.