Vivo Makes an RGBW Camera Sensor with Additional White Filters

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vivo developed an RBGW camera sensor

The camera is one of the components of a smartphone that has experienced rapid development over the last few years. One of the latest innovations in shooting this has just been introduced by Vivo. In recent years, the Chinese cellphone vendor has developed a self-made image sensor.

Uniquely, the sensor uses an RGBW color filter, different from the existing RGGB Bayer and Quad Bayer, or RYYB models. “RGBW” stands for Red, Green, Blue, and White. This filter replaces the green sub-pixel with a white sub-pixel that is capable of receiving light in all waves. So, instead of the usual Red-Green-Green-Blue, you get Red-Green-Blue-White.

The advantage is that the camera sensor is more sensitive to light, thus improving the quality of image capture when in low-light situations. As compiled by KompasTekno from GSM Arena, Wednesday (9/9/2020), Vivo claims its RGBW sensor has sensitivity to light up to 160 percent higher than conventional RGGB sensors.

In fact, Vivo also claims that the RGBW sensor is able to capture 15 percent more light than the RYYB (Red-Yellow-Yellow-Blue) type sensor on Huawei flagship phones, while not experiencing color cast problems like the sensor.

The concept of an image sensor with an RGBW color filter itself is not new. Sony has already implemented it in Xperia phones several years ago. Likewise, Huawei has planted a similar sensor in the 2015 P8 mobile phone. In the past, the RGBW type sensor had a color problem that looked faded, especially when it was dark.

Vivo has reportedly found a solution to this problem using a software algorithm. However, the quality certainly needs to be proven with photos in the real world. The plan is that the Vivo RGBW sensor will begin to appear on the cameras of Vivo cellphones starting in 2021.

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