‘Isocell’ technology to eliminate’interference phenomenon’,’Nona Pixel’ technology to overcome nighttime noise
|[서울=뉴시스] Samsung Electronics’Isocell Bright HMX’: 108Mp Image Sensor’ YouTube video capture|
Samsung Electronics has been leading the premium image sensor market by releasing an image sensor with a number of pixels reaching 180 million since last year. The era has come when you can even check the skin texture even if you shoot with a smartphone.
Since 18 million pixels had to be integrated into an image sensor chip with the size of a small nail, Samsung Electronics had to overcome several limitations until development.
According to Samsung Electronics, making smaller pixels was a big challenge, but as the pixels became smaller, another problem arose. As the pixels became smaller, it became difficult to receive light as there was an’interference phenomenon’ in which light leaked to the next pixel. In this case, since the image sensor receives the signal from the adjacent pixel as noise, color clarity and resolution may be lowered. For this reason, the key was to prevent light from leaking to other pixels.
Accordingly, Samsung Electronics developed a’isocell’ technology that reduces inter-pixel interference by striking an insulating layer in each pixel, and this method was able to dramatically reduce optical loss and interference.
To overcome this problem, Samsung Electronics applied’Nona Pixel’ technology, which uses 9 adjacent pixels as one large pixel (3×3) to receive more light. The amount of light was increased by combining the information of the light coming from 9 pixels into one, and this enabled it to take clear pictures and videos without noise even in night photography or dark environments.
Through this, in an environment with sufficient light, clear high-definition images with 180 million small pixels of 0.8 µm (micrometer, 1 millionth of a meter) are used, and high-sensitivity shooting is performed using adjacent pixels as large pixels of 2.4 µm in dark environments. I can do it.
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