Sharp on Monday showed off its latest prototypes of a new type of display screen that it says brings several advantages over today's LCD (liquid crystal display) screens.
The screens, called MEMS displays for the tiny moving parts they contain, are being developed by the Japanese company in partnership with Qualcomm and were on show at the Ceatec electronics show just outside of Tokyo.
Behind each pixel in a MEMS display is a backlight that flashes red, green and blue in fast succession, and in front of it is a tiny shutter can be opened to let light through.
Synchronized to the backlight, the shutter can control the amount of each color of light allowed through. The eye perceives these flashes as the desired hue.
In contrast, today's LCD screens create colored pixels using three filters. The filters swallow about two thirds of the brightness of the backlight before it leaves the display, said Akira Imai, deputy general manager of Sharp's new business development center.
The MEMS display can allow all the light through, so the intensity of the backlight can be reduced using less power for the display, said Imai.
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