This video explains how LEDs (Light Emitting Diodes) function and why they are widely used in modern electronics. LEDs produce light by emitting energy when electrons recombine with holes in a ...
An upconversion organic light-emitting diode (OLED) based on a typical blue-fluorescence emitter achieves emission at an ultralow turn-on voltage of 1.47 V. The technology circumvents the traditional ...
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