Why Your Next TV Could (and Should) Be Stuffed With Quantum Dots

Full-timewhistle.com has a nice primer on quantum dot technology:

The Consumer Electronics Show (CES) has arrived again, the world’s largest consumer electronics and technology exhibition in Las Vegas, where manufacturers will show off the new technologies available in 2015.

Wearables, 3D printers, curved displays and other technology that has graduated from the cutting edge into products available to the consumer – all of them have had their moment in the spotlight at CES.

Korean electronics and display manufacturer LG has set the ball rolling by announcing its 4Kultra high-definition television displays (UHDTVs) that use quantum dot technology, an improved method for producing colour displays.

What exactly is a quantum dot?

A significant improvement on existing LCD or LED methods, the technology works by shining blue light through nanocrystals of varying size from two to ten nanometers, which absorb light of one wavelength and emit light of another, very specific wavelength. Each dot emits a different color depending on its size. A film of quantum dots of a size suitable to produce red and green light is added in front of the screen’s backlight. Generating light via the quantum dots narrows the wavelength of the red and green light produced, meaning less light is caught by the LCD filter. This means better color rendition and brighter colors.

Read more at http://full-timewhistle.com/technology-22/why-your-next-tv-could-and-should-be-stuffed-with-quantum-dots-2190.html


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