A newer form of LED is the organic LED (OLED), which employs an natural and organic polymer because the semiconductor substance. As well as a Newer type of LED would be the quantum dot LED (QLED), which includes a layer of nanoparticles to improve color and luminance. The Saiji Bed https://jasperxkwfp.tribunablog.com/acrylic-book-display-fundamentals-explained-49552779