OSRAM Opto Semiconductors has developed a transparent white OLED with outstanding performance. The large-scale prototype is transparent either on or off. Under laboratory conditions it has achieved a luminous efficacy of more than 20 lm/W at a brightness of 1000 cd/m². This opens up possible applications such as partitions that are almost invisible by day and then provide a pleasant diffused light at night.
The prototype of the transparent white OLED tile with color coordinates 0.396/0.404 (CIEx/y main emissive side) lights up over an area of almost 90 cm². At present, the transparence of the OLED is 55%. As the
The prototype of the transparent white OLED tile with color coordinates 0.396/0.404 (CIEx/y main emissive side) lights up over an area of almost 90 cm². At present, the transparence of the OLED is 55%. As the
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