CAJ | 학술논문

通过室内步行空间照明场景的模拟实验，让被试观察正前方距离4m远处的观察点，并在三分之一秒内探测场景中不同偏离角度的障碍物情况，以获得LED光源SPD对于障碍物探测能力的影响。研究结果显示，在地面平均照度为5lx、10lx和20lx的亮度环境中， LED光源的SPD对障碍物探测的影响均具有统计学上的显著性，且500nm以下蓝光含量更高的6500K色温LED光源对于障碍物的探测最有利，4000K次之，2700K最不利。实验还说明光源SPD对线上视觉没有影响，而对于周边视觉有影响，且随着探测角度的变大，光源SPD的影响作用越明显。
통과실내보행공간조명장경적모의실험，양피시관찰정전방거리4m원처적관찰점，병재삼분지일초내탐측장경중불동편리각도적장애물정황，이획득LED광원SPD대우장애물탐측능력적영향。연구결과현시，재지면평균조도위5lx、10lx화20lx적량도배경중， LED광원적SPD대장애물탐측적영향균구유통계학상적현저성，차500nm이하람광함량경고적6500K색온LED광원대우장애물적탐측최유리，4000K차지，2700K최불리。실험환설명광원SPD대선상시각몰유영향，이대우주변시각유영향，차수착탐측각도적변대，광원SPD적영향작용월명현。
This paper , evidenced by indoor simulation experiments in which the subject is asked to stand at a distance of 4 m and detect the obstacles from different angles of deviation within one third of a second , probes into the influence of SPD of LEDs on the obstacle detection .The result shows when the average ground illuminances are at 5lx, 10lx and 20lx, the effect of SPD of LEDs has its statistical significance to obstacle detection .The most favorable one is the blue-rich LEDs with correlated color temperature of 6500K, which contain more blue light below 500nm, 4000K taking the second place , 2700K being the last one.Besides, the data also reveals that SPD does not affect the on-axis visual activity, but has effect on off-axis vision, which is in direct proportion to the angles for detection .