Definition: Light-emitting diodes (LEDs) are semiconductor devices that emit light when an electric current passes through them. This category encompasses various technologies including traditional ...

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, as demonstrated by researchers from ...

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 ...

Of course, the making of organic light-emitting diodes requires more than just a rare-earth metal, not least of which is the experience in the field that [Jeroen Vleggaar] brings to this project.

Nearly every TV on the market today is either OLED or LCD. Here's a look at the pros and cons of each technology.

An OLED does its best work in a darker viewing space ... As mentioned, LG's QNED lineup is just the company's stab at QLED (quantum dot light-emitting diode) technology, but with an extra shot of LG.

Highly efficient perovskite light-emitting diodes for next-generation display technology Perovskite LEDs with the world's highest efficiency (EQE = 23.4%) -- Seoul National University and ...

These light-emitting devices are all over the internet. We asked experts if they can reduce wrinkles, clear acne and more.