While the publicity predicts that OLED (organic light emitting diode) will supersede the LCD, Sharp and Qualcomm have demonstrated a MEMS (microelectromechanical system) mirasol display that may be the successor.

MEMS uses nanoscale technology and eventually may be able to use deposition technology (photolithography) to produce commercial quantities of screens. Behind each pixel is a LED backlight that flashes red, green and blue in fast succession. In front of that is a pixel-sized shutter that can open to let light through.

In contrast, today's LCD screens create colored pixels using three filters that absorb about two thirds of the backlights brightness. MEMS lets all the light through reducing the need for an energy hungry backlight.

Qualcomm has a paper on it here.

Initial production trials were on a 7”, 1280x800 screen and it received favourable reviews. The test has been made possible by Qualcomm investing US$120M into Sharp.


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Ray Shaw

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Ray Shaw ray@im.com.au  has a passion for IT ever since building his first computer in 1980. He is a qualified journalist, hosted a consumer IT based radio program on ABC radio for 10 years, has developed world leading software for the events industry and is smart enough to no longer own a retail computer store!






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