Manufacturer Claims Abound in the Development of LED Technology
Osram's organic light-emitting diode (OLED) prototype boasts a luminous efficiency of more than 20 lm/W at a brightness of 1,000 cd/m2, while Seoul Semiconductor claims its product Acriche (inset), a semiconductor light source for AC power outlets, achieves near-daylight quality with 42 lm/W.