The surprises for the mobile segment do not stop with Samsung, the South Korean firm also presented during MWC 2018 its new 3-layer ISOCELL Fast 2L3 image sensors, which was used for the camera of the new Samsung Galaxy S9.
The new series of Samsung ISOCELL image sensors is composed of a 1.4 micron (μm) and 12 megapixel (Mp) image sensor, with integrated dynamic random access memory, achieves very fast data read speeds to capture fast movements in super slow motion, achieving sharper photos, with less noise and distortion.
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According to Ben K. Hur, Vice President of Marketing for System LSI at Samsung Electronics “Samsung’s ISOCELL image sensors have made great strides throughout their history with technologies such as ISOCELL, for high color fidelity, and Dual Pixel. , for ultra-fast autofocus, bringing the smartphone camera closer to the level of DSLR cameras ”.
How Samsung’s new ISOCELL sensors work
Conventional image sensors are built with two layers of silicon: a pixel matrix layer that converts light to an electrical signal, and an analog logic layer that digitizes that electrical signal.
But the new Samsung Fast 2L3 ISOCELL sensors They are 3-layer high-speed CMOS incorporating two gigabits of Samsung’s LPDDR4 DRAM memory located under the analog logic layer.
With the incorporation of this technology, the image sensor has the ability to store in the sensor’s DRAM memory, temporarily and quickly, a greater number of frames captured at high speed before sending the frames to the mobile processor and then to the DRAM memory Of the device.
Likewise, it allows you to record video in slow motion with up to 960 frames per second, which is 32 times the typical recording speed of 30 fps.
With Samsung’s new ISOCELL sensors, fast reading can greatly enhance the photographic experience, as the sensor captures the image at a very high speed and this significantly reduces the jello effect, the distortion in the image that occurs when photographing objects with rapid movements such as a run.
Finally, the Samsung’s new ISOCELL sensors They are equipped with Dual Pixel technology that allows each and every one of the 12 million pixels in the image sensor to use two photodiodes as a phase detection focusing system.