Samsung introduces a 5.1mm image sensor for hole-in & notched phones

Samsung Electronics, the semiconductor manufacturing wing of Samsung, has developed the smallest image sensor ever to snuggly fit into smartphones covering a less space and allowing for greater screen real estate but retaining high-quality images.

Known as ISOCELL Slim 3T2, the image sensor is at 1/3.4-inch width i.e. 5.1mm diagonally with 20 million pixels of 0.8micrometer pixels each and delivers a high-octane 20MP resolution at the best of quality. The sensor is designed to fit various sensor configurations and for both front and rear-facing cameras.

With the growing technology advancement and the stagnant smartphones sales, innovation and technology are few driving factors. Also, smartphone makers are trying to fit in high-end specs in mid-range smartphones which pushed Samsung to develop a smaller image sensor without compromising over the quality. Thus, here is the ISOCELL 3T2.

An article posted on Samsung Newsroom stated that the image sensor has 20 million sensors. The sensor promises optimum clarity and color fidelity backed by the ISOCELL Plus technology that enables the pixels to absorb more light that simply translates into higher image quality, accurate color reproduction with even sub-micrometer-sized pixels.

The 3T2 takes the same space as Samsung’s 13MP sensor while having a prowess of a 20MP sensor. This will allow OEMs to innovate their smartphone design since they have a larger space to decorate due to the snuggly image sensor that can be placed both in the notch and in the hole-in display.

At the back, the sensor can be used in many sensor configurations such as a telephoto sensor that maintains 60% resolution even at a whopping 10x digital zoom and it is still 7% smaller than Samsung 1/3-inch 20MP sensor.

Furthermore, the 3T2 uses tetracell technology too that merges 4 pixels in one or it is also known as Super Pixel or pixel binning that allows higher light absorption and greater resolution by converting the 0.8micrometer sensor into a 1.6micrometer sensor in terms of light sensitivity at 5MP.

Finally, Samsung Electronics has stated that it will begin mass production by the first quarter of this year while the phones with this ISOCELL 3T2 image sensor could roll out by the second or third quarter of this year although this is just an assumptive timeline and not at all confirmed by the tech giant as of now.


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