A deep blue organic light-emitting diode (OLED) developed by researchers at Science Tokyo operates on just a single 1.5 V, overcoming the high-voltage and color-purity problems that have long limited ...
Organic light-emitting diodes are used in smart phones, tablets, and large TV screens. As they do not need any additional background illumination, they are energy-efficient. The can be produced at low ...
Traffic management systems play an essential role in organizing vehicle and pedestrian movement on roads. As cities expand and traffic volumes increase, ...