Quantum dots (QDs) are tiny semiconductor particles whose size is on the order of a few nanometers. With unique and distinctive electronic and optical properties, QDs have found application in a variety of modern technologies, including solar cells, photo detectors, photodiodes, biological systems and light-emitting diodes (LEDs). Quantum dots have many advantages, including high illumination efficiency and color rendering, low cost and mass production capabilities. In addition, they are environmentally friendly. The excellent luminescence and charge transport properties of QDs have led to their increasingly popular application of back-light enhancement on high-quality displays.

Application fields of QDs

Using techniques now well established, manufacturers of liquid crystal displays add these nanoparticles to the layers of films, filters, glass and electronics that make up an LCD. When these quantum dots are illuminated, they re-emit light of a certain color producing displays with many more colors, better contrast and higher brightness. Quantum Dots technology that initially made its way into displays for the television market is now increasingly being used in image quality-sensitive applications where color depth and accuracy are of paramount importance, such as Medical applications. The optical properties of quantum dots can be adjusted for size and composition. The high brightness, resistance to photo-bleaching, multiplexing capability, and high surface-to-volume ratio, make QD technology "state of the art" for intracellular tracking, diagnostics, and in vivo imaging where the required color space is larger than in standard monitors.  

First Components presents Winstar's new Quantum Dot LCD WF101-19201200NL#0P0B-FC:

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