Ultraviolet-B (UV-B) semiconductor lasers are highly sought for medical, biotechnology, and precision manufacturing ...

Tsukuba, Japan—Light-emitting electrochemical cells (LECs) are a type of organic light-emitting devices. Compared to organic light-emitting diodes (OLEDs), LECs exhibit a simpler structure, greater ...

Now researchers in Japan have reported the world’s first continuous-wave UV-B semiconductor laser diode operating at room temperature on a low-cost sapphire substrate. This breakthrough by researchers ...

Perovskites have emerged as a transformative class of materials for both photovoltaic cells and light-emitting diodes, offering the promise of high efficiency alongside cost-effective fabrication. The ...

TVs demonstrate significantly superior durability compared to liquid crystal display (LCD) TVs, even after prolonged use. The ...

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, ...

A joint research team led by Tae‑Woo Lee, Professor in the Department of Materials Science and Engineering at Seoul National University, and Yury ...