In short, microcurrent is better for facial toning as it is able to help lift and firm while LED light works on the quality ...

In this review, we first introduce the fundamentals of OLEDs, including their working mechanisms, materials and device ...

Electroretinography (ERG) is an ophthalmic diagnostic method used to determine whether the retina is functioning normally. It ...

In many cities today, streets are lit by white lights, screens show vivid colors, and buildings glow with precise patterns of illumination, all depending on a small but important invention from the ...

Electroretinography (ERG) is an ophthalmic diagnostic method used to determine whether the retina is functioning normally.

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 light through a process ...

Organic light-emitting diodes (OLEDs) are now widely used. For use in displays, blue OLEDs are additionally required to supplement the primary colors red and green. Especially in blue OLEDs ...

Blue organic light-emitting diode with a turn-on voltage of 1.47 V. Nature Communications, 2023; 14 (1) DOI: 10.1038/s41467-023-41208-7 ...