The III-nitride light-emitting diodes (III-N LEDs) coated with phosphors are currently the most efficient white light sources for general lighting 1,2,3,4. The most efficient violet III-N LEDs reach ...

Light-emitting electrochemical cells (LECs) are next-generation devices that are flexible, emit light and have several advantages over organic light-emitting diodes, such as a simpler structure and ...

Chains of fused carbon-containing rings have unique optoelectronic properties that make them useful as semiconductors. These chains, known as acenes, can also be tuned to emit different colors of ...

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 ...

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 ...

Learn the science behind why combining red light LEDs and infrared lasers is the most effective approach for deep-tissue ...

These light-emitting devices are all over the internet. We asked experts if they can reduce wrinkles, clear acne and more. By Melinda Wenner Moyer You’ve probably noticed this scene on social media: ...

(Nanowerk Spotlight) Augmented-reality glasses and near-eye microdisplays need tightly packed light-emitting pixels. At that scale, a pattern can fail even when it looks correctly drawn. A narrow ...

Scientists suggest algae could be embedded within biosensors that glow when toxins detected in the environment The captivating blue glow emitted by a sea-dwelling species of algae has been harnessed ...

Metasurfaces make quantum dot films cooler where they emit more efficiently, turning light-controlled temperature gradients into self-powered electrical signals.