What Is A Light-Emitting Diode? A light-emitting diode (LED) is a semiconductor device that emits light when an electric current flows through it. LEDs function by converting electrical current into ...

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 ...

The world's first automatic and adaptive, dual-mode light-emitting diode (LED)-based optical wireless power transmission ...

LED lighting technology is increasingly adopted for its energy efficiency, durability, and longevity, making it an ideal solution for modernizing urban areas and developing smart city infrastructures.

To be more energy efficient, many people have replaced their incandescent lights with light-emitting diode (LED) bulbs. However, those currently on the market emit a lot of blue light, which has been ...

Eric Franklin led the CNET Tech team as Editorial Director. A 20-plus-year industry veteran, Eric began his tech journey testing computers in the CNET Labs. When not at work he can usually be found at ...

Seawater parameters are important indicators of coastal water conditions. One of the essential parameters is the total suspended solids (TSS). This study probed how to use a low-cost 535-nm green LED ...

Universal Display (OLED) shares dropped 11% after the New Jersey-based innovator in organic light-emitting diode technologies delivered third-quarter 2025 financial results that fell short of market ...