When it comes to cameras, Sony is one of the leading manufacturers of camera sensors and is fighting against Samsung and Omnivision. Sony generally works on cutting edge technology when it comes to photography, whether you’re talking about smartphones or whatever. Earlier, they announced an innovation that should make smartphone photography even better.

Sony aims to take mobile photography to a whole new level

Sony has announcement what he calls the world’s stacked CMOS image sensor with a “2-layer transistor pixel”. But what does that mean exactly?

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While the photodiodes and pixel transistors of conventional CMOS image sensors occupy the same substrate, new technology from Sony separates the photodiodes and pixel transistors on different substrate layers.

On top of that, Sony also released an image to give a better idea of ​​what has changed compared to the conventional sensors we’ve seen in smartphones. You can look at the picture below and see if you can figure it out.

According to Sony, this solution will double the saturation signal level of a sensor, resulting in a more complete dynamic range. The company also said that moving the pixel transistors to a separate substrate frees up space and allows the company to increase the size of the amplifying transistors. Another explanation suggests that larger amp transistors result in significantly reduced noise, which should theoretically be beneficial for low-light photography. The company also adds that the technology will allow the sensor pixels to maintain or improve existing performance, even at smaller pixel sizes.

In simpler terms, we can assume that Sony believes that this technology could be the way to achieve higher resolution smartphone cameras with smaller pixels. This would allow Sony to go up to 108 megapixels like Samsung does, or even more.

Sony has confirmed that this technology is intended for smartphones. However, they haven’t given us a timeline for when smartphones should be expected to use this technology, given how Sony sensors are found around the world and other companies. It would be exciting to see this sensor technology come to life and how far it takes smartphone cameras.


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