Panasonic Corporation has developed a white OLED with the world's highest luminous efficiency*1 of 114 lm/W (light-emitting area of 1 cm²). In addition, a luminous efficiency of 110 lm/W has also been achieved with a device with a larger emitting area of 25 cm². In order to achieve such a level of high efficiency with the OLED, the company focused on "light extraction technology" and the "all phosphorescent white OLED technology" (technology for the multilayering of the organic emitting layer). OLEDs are capable of emitting any co...