First 200MP adaptive image sensor

September 02, 2021 // By Nick Flaherty
First 200MP adaptive image sensor
Samsung has launched an adaptive 200MP pixel with a 0.64um pitch, and an 8K sensor with two photodiodes in a single 1.0μm pixel

Samsung Electronics is taking on Sony in image sensors with a high capacity adaptive 200MPixel sensor and sensor with multidirectional focus

The ISOCELL HP1 is the industry’s first 200MP image sensor with pixels on a 0.64μm pitch, while the ISOCELL GN5 is the first image sensor to adopt a Dual Pixel Pro technology with two photodiodes in a single 1.0μm pixel.

“Samsung has been pioneering ultrafine pixel technologies that are taking high-resolution image sensors to the next level,” said Duckhyun Chang, executive vice president of sensor business at Samsung Electronics. “With the ISOCELL HP1 that is breaking barriers and ISOCELL GN5 bringing ultrafast auto focus, Samsung will continue to lead the trend for next-generation mobile imaging technologies.”

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The 0.64μm-sized pixel pitch allows higher spacial resolution and low light performance for handheld devices. The ISOCELL HP1 uses a new pixel-binning technology called ChameleonCell that uses a two-by-two, four-by-four or full pixel layout depending on the environment. In a low-lit environment, the HP1 transforms into a 12.5MP image sensor with large 2.56μm pixels by merging 16 neighbouring pixels. The 2.56μm pixel is capable of more light absorption and sensitivity, producing brighter and clearer photos in in-doors or in the evening. In bright outdoor environments, the sensor’s 200-million pixels can capture ultra-high-definition photography on mobile devices.

The ISOCELL HP1 can take 8K videos at 30 frames-per-second (fps) with minimum loss in the field of view. The HP1 merges four neighbouring pixels to bring the resolution down to 50MP or 8,192 x 6,144 to take 8K (7,680 x 4,320) videos without the need to crop or scale down the full image resolution.

The ISOCELL GN5 is the industry’s first 1.0μm image sensor to integrate Dual Pixel Pro, an all-directional autofocusing technology, that can substantially boost autofocusing capabilities. This technology places two photodiodes, the smallest in the industry, within each 1.0μm pixel of the sensor either horizontally or vertically to recognize pattern changes in all directions. With one million phase-detecting multi-directional photodiodes covering all areas of the sensor, the ISOCELL GN5’s autofocusing becomes instantaneous, enabling sharper images in either bright or low-lit environments.

The image sensor also makes use of Samsung’s proprietary pixel technology, which applies Front Deep Trench Isolation (FDTI) on a Dual Pixel product for the first time in the industry. Despite the microscopic photodiode size, FDTI enables each photodiode to absorb and hold more light information, improving the photodiodes’ full-well capacity (FWC) and decreasing crosstalk within the pixel.

Samples of Samsung ISOCELL HP1 and GN5 are currently available.

www.samsung.com

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