Sony uses clear pixels to offer low-light performance and 'HDR movies' 
Sony has announced smartphone image sensors that use clear pixels to improve low light performance and allow 'HDR videos' with greater dynamic range. The chips, which will be branded 'Exmor RS' also use the company's latest 'stacked CMOS' design to maximize the light capturing area of each pixel. Adding a white (clear) pixel to the conventional red, green and blue (RGB) filters has been proposed before but Sony says its processing allows it to 'heighten sensitivity without compromising its high resolution.' The first chips to use the design will be small, smartphone-targeted 1/3"-type 13MP and 1/4"-type 8MP designs.
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