A research team has successfully imaged a nova in high resolution—and the images suggest that the nova was not a single, impulsive explosion. A nova is an astronomical phenomenon that occurs in a ...
Ultraviolet-B (UV-B) semiconductor lasers are highly sought for medical, biotechnology, and precision manufacturing ...
The organic light-emitting diode (OLED) technology behind flexible cell phones, curved monitors, and televisions could one ...
Abstract: For AlGaN-based deep ultraviolet light-emitting diodes, more than 50% ultraviolet photons are not able to escape from chips despite the ever-designed advanced light extraction structures. In ...
Abstract: We propose an effective strategy for improving the color uniformity of phosphor-coated LEDs (pc-LEDs) by employing transparent bamboo (TB) as an optical management material. The “yellow ring ...
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