Today vivo announced that it has been developing its own image sensor for the past year. The new sensor uses an RGBW color filter array and vivo claims can collect 200% more light than a conventional RGGB-equipped sensor. vivo says its new RGBW sensor will collect 60% more light than the Huawei-used RYYB sensors while not being prone to the RYYB's color casting issues. Back in the day, Sony used an RGBW color filter in some of its Xperia cameras to gather more light compared to the conventional RGB matrix. The inherent issue with these RGBW-equipped sensors was the reduced...