26 19 180 0 168 cd/klm 90 270 IANUS Pierluigi Nicolin 2013 material diffuser material structure colour symbols emission / IP20 PTOT: 23 W PLED: 20 W 132 LED x 0,15 W CCT 3000K - Ra 80 energy label 1 η LED Lm/W R η lamp Lm/W 126 85% 67 LED Lm lamp Lm 2520 1340 276 iconic |