DORIS Panel light with Back-lit Panel is a new developed 
product on the basis of weakness of edge-lit panel.By adopting 
high quality 
.PMMA lens to significantly thin the thickness of luminaire and 
make the light more uniform compare with outdated back-lit 
panel. Without light guide plate,the light pass through diffuser 
plate directly which can improve light efficiency,and also 
reduced the cost. 
. WITHOUT LGP, the weight of luminaire becomes lighter and 
also avoids all kinds of adverse factors caused by LGP of edge
lit panel. 
. PS prism diffuser type offers nice glare-control, as UGR<19 , 
protecting people's eye perfectly 
. High reliability and long life.