不同色温LED背光屏的蓝光危害和非视觉生物效应

杨超普; 方文卿; 刘明宝; 李春; 张美丽; 周春生

doi:doi:10.3788/lop54.101701

激光与光电子学进展, 2017, 54 (10): 101701, 网络出版: 2017-10-09

不同色温LED背光屏的蓝光危害和非视觉生物效应下载： 1547次

Blue Light Hazard and Non-Visual Biological Effect of LED Backlight Displayer at Different Color Temperatures

论文大纲

杨超普 ^1,2,*方文卿 ³刘明宝 ^1,2李春 ^1,2张美丽 ^1,2周春生 ^1,2

作者单位

¹ 商洛学院化学工程与现代材料学院, 陕西商洛 726000

² 商洛学院陕西省尾矿资源综合利用重点实验室, 陕西商洛 726000

³ 南昌大学理学院, 江西南昌 330047

生物技术光生物效应蓝光危害节律效应色温液晶屏 biotechnology photobiological effect blue light hazard circadian effect color temperature liquid crystal display

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摘要

测量不同色温LED背光屏的光谱分布, 根据相关原始数据对多个函数表达式进行高质量拟合。通过MATLAB研究了照度因子、蓝光危害因子和节律因子随色温的变化。在可见光范围, 对不同色温LED背光屏的蓝光占比进行计算。结果表明: 照度因子随年龄和色温增大而减小; 蓝光危害因子和节律因子均随色温升高而增大, 随年龄增大而减小; 当色温为1200 K时, LED背光屏蓝光占比与烛光蓝光占比的比值为0.783, 6500 K时为10.294。青年人受LED背光屏的蓝光危害和非视觉生物效应影响相对较大, 在使用时应尽量调低色温。该研究为LED背光屏的个性化设计及色温调节提供了理论参考。

Abstract

The spectral distributions of LED backlight displayer are measured at different color temperatures. Several function expressions are fitted according to the related initial data. The variations of illumination factor, blue light hazard factor and circadian factor with color are studied with the utilization of MATLAB. In the visible range, the blue-light-ratio of LED backlight displayer at different color temperatures is calculated. The result show that illumination factor decreases with the increase of the age and color temperature; blue light hazard factor and circadian factor increase with the increase of color temperature, and decrease with the increase of the age. When the color temperature is 1200 K, the ratio of blue-light-ratio of the displayer to blue-light-ratio of candle is 0.783, and the ratio is 10.294 when the color temperature is 6500 K. The influences of the blue light hazard and non-visual biological effect on young people are relatively large, and the young people should try to reduce color temperature of LED backlight displayer. This research provides theoretical reference for personalized design and color temperature adjustment of LED backlight displayer.

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杨超普, 方文卿, 刘明宝, 李春, 张美丽, 周春生. 不同色温LED背光屏的蓝光危害和非视觉生物效应[J]. 激光与光电子学进展, 2017, 54(10): 101701. Yang Chaopu, Fang Wenqing, Liu Mingbao, Li Chun, Zhang Meili, Zhou Chunsheng. Blue Light Hazard and Non-Visual Biological Effect of LED Backlight Displayer at Different Color Temperatures[J]. Laser & Optoelectronics Progress, 2017, 54(10): 101701.

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