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Samsung ISOCELL HM3 comes in 0.8µm and with nine-pixel binning, providing optimum brightness and enhanced auto-focusing Smart ISO Pro and Super PD Plus fine-tune the sensor’s performance for premium mobile imaging experiences
Samsung, a world leader in advanced semiconductor technology, today introduced its latest 108-megapixel (Mp) mobile image sensor, Samsung ISOCELL HM3. With a wide spectrum of advanced sensor technologies, the HM3 can capture sharper and more vivid images in ultra-high resolution with faster auto-focus and extended dynamic range.
“While a pixel is just a single dot of colour when in millions, these dots can be transformed into stunning snapshots of life. With more pixels, images are sharper, with fuller details that can maintain their integrity even when enlarged. Samsung has been at the forefront of bringing the most pixels to mobile image sensors as well as various supporting technologies that take sensor performances to the next level,” said Duckhyun Chang, executive vice president of the sensor business at Samsung Electronics. “The ISOCELL HM3 is the culmination of Samsung’s latest sensor technologies that will help deliver premium mobile experiences to today’s smart-device users.”
The 1/1.33” ISOCELL HM3 with 0.8μm-sized pixels is a new addition to Samsung ISOCELL’s 108Mp product line-up. For faster auto-focus, the HM3 integrates an improved Super PD Plus feature. Super PD Plus adds AF-optimised micro-lenses over the phase-detection focusing agents, increasing measurement accuracy of the agents by 50-per cent. The enhanced phase-detection autofocusing (PDAF) solution helps to keep moving subjects in sharp focus and delivers optimum results in dark environments.
In mixed-light environments, such as at the end of a tunnel, the HM3 adopts Smart ISO Pro, a high-dynamic-range (HDR) imaging technology that uses an intra-scene dual conversion gain (iDCG) solution. Smart ISO Pro simultaneously captures a frame in both high and low ISO, then merges them into a single image in 12-bit colour depth and with reduced noise. As Smart ISO Pro does not require multiple exposure shots to create a standard HDR image, it can significantly reduce motion artefacts. In addition, with a low-noise mode, it improves the light sensitivity by 50-per cent to capture brighter and clearer results in low-light environments than its predecessor.
The HM3’s pixel layout is specially arranged in three-by-three single colour structures suitable for nine-pixel binning. By merging nine neighbouring pixels, the 108Mp HM3 mimics a 12Mp image sensor with large 2.4μm-pixels, heightening light sensitivity when taking photographs in low-light environments. With an improved binning hardware IP, the HM3 supports seamless transitions between 108Mp and 12Mp resolutions.
Designs of the new sensor have also been optimised to reduce energy usage under preview mode by 6.5-per cent, offering added power efficiency to the overall mobile device.
Samsung ISOCELL HM3 is currently in mass production.
Actual performance may vary depending on the device and user environment.
* Samsung first announced its ISOCELL technology in 2013, which reduces colour crosstalk between pixels by placing a physical barrier, allowing small-sized pixels to achieve higher colour fidelity. Based on this technology, Samsung introduced the industry’s first 1.0um-pixel image sensor in 2015 and a 0.9-pixel sensor in 2017. Samsung continues to enhance its pixel isolation methods with ISOCELL Plus and the ISOCELL 2.0 technologies.
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