Shark’s foray in beauty continues to impress with this high-quality LED mask.
Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...
Abstract: White organic light-emitting diodes (WOLEDs) with ultrahigh color rendering index (CRI ≥90) are ideal for lighting. However, ultrahigh CRIs are usually obtained via complicated architectures ...
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