Quantum dot light-emitting diodes, or QLEDs, have emerged as a leading player in display technology. They offer a range of benefits, including richer colors, improved brightness, and energy efficiency. With its superior visual quality and performance, QLED is considered the next generation of visual displays after traditional LED.
This article explores the field of QLEDs and examines its principles and applications in various sectors, highlighting advancements in display technology. It also discusses recent developments and challenges in the field.
From Pixels to Quantum Dots
The history of QLED technology can be traced back to the discovery and development of quantum dots (QDs). QDs are semiconductor nanoparticles with unique optical and electrical properties. Initially, QDs were studied for their fundamental properties in research laboratories. However, they soon caught the attention of display technology experts because of their ability to emit light of specific wavelengths when stimulated by an external light source. This property allowed QDs to be integrated into light-emitting devices, giving rise to QLED technology.1
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