COMPARISON BETWEEN FLUORESCENT AND LED LIGHTING ON VISIBILITY AND VISUAL COMFORT IN SCHOOL CLASSROOMS

被引：0

作者：

Chen, Y. ^{[1
]}

Peng, S. ^{[1
]}

Tang, X. ^{[1
]}

Heynderickx, I ^{[2
,3
]}

机构：

[1] Philips Res China, Shanghai, Peoples R China

[2] Philips Res Labs, Eindhoven, Netherlands

[3] Delft Univ Technol, Delft, Netherlands

来源：

PROCEEDINGS OF THE CIE CENTENARY CONFERENCE TOWARDS A NEW CENTURY OF LIGHT | 2013年

关键词：

Fluorescent; LED lighting; visibility; visual comfort; students; classroom; BRIGHT LIGHT; SLEEP; TEMPERATURE; MELATONIN;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The impact of technological differences between LED and traditional light sources on visibility and visual comfort is still insufficiently understood. The aim of our current study is to evaluate the impact of fluorescent and LED lighting on visibility and visual comfort for students in classrooms when watching a projector screen. 19 students participated in the experiment. Luminaires with fluorescent lamps were compared to luminaires with LEDs at an ambient illumination level of 300lux. At 5 seating positions and 5 different screen luminance levels, the students were asked to tune the contrast of the letters on the projection screen to 1) a value that corresponded to the visibility threshold of the letters, and 2) a value that corresponded to a comfortable threshold for reading the text. The results indicate no significant difference in contrast visibility and in comfortable contrast between the fluorescent and LED based ambient lighting.

引用

页码：727 / 732

页数：6

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