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CMOS imaging systems experts, SmartSens Technology, has added four new CMOS image sensors outfitted with the company’s new DSI imaging technology. The new sensors, SC2320, SC4335, SC5335 and SC8220, have resolutions of two to eight mega pixels and are the first in SmartSens' portfolio to include proprietary DSI imaging technology since debuted at ISC West 2019.

DSI pixel technology is the next-generation sensor technology provided by SmartSens that gives customers better image performance, faster time to market and higher cost effectiveness, compared to previous technologies. Additionally, the DSI pixel technology innovatively integrates SmartSens' design and pixel process knowledge into the foundry service by DB HiTek.

The release of the new sensors heralds the next generation of SmartSens's SmartPixel technology, capable of even broader applications, such as under ultra-low-light conditions and wider area surveillance. Known as SmartPixel-2, SmartSens' proprietary DSI imaging technology now performs better than the first generation of image sensors utilizing FSI technology in the following ways:

• Two-fold increase in Sensitivity
• Five-fold reduction of Dark Current
• Improved Signal-to-Noise Ratio

When compared to other BSI sensors, SC4335 performed with 42% higher sensitivity and 16% better dynamic range. Additionally, with an improved signal-to-noise ratio that makes them ideal for Artificial Intelligence applications, DSI sensors have the potential to dominate in the mid-market sector, setting a new standard for CMOS imaging sensitivity and better servicing the various applications that demand high definition imaging capabilities.

In addition to enhanced general performance of DSI technology, the four new sensors are built to meet the specific needs of target applications.

SC8220 (8M pixels)

It is primarily designed for Smart City, Smart Home and similar applications that require 4K high resolution and high quality videos, SC8220 supports both 4K resolutions and an 1/1.8" optical format, and is designed to be highly sensitive while keeping low in power consumption.

SC2320 (2M pixels), SC4335 (4M pixels) and SC5335 (5M pixels)

These sensors are primarily designed for Security and Surveillance applications. They rely on their heightened sensitivity and improved signal-to-noise ratio to produce high clarity images even in dim lighting conditions, effectively resolving the industry's common issues of nighttime blur or 'fog.' SmartSens' DSI sensors have specifically enhanced quantum efficiency in the Near-Infrared (NIR) region, i.e. 850nm-940nm wavelength. To maintain user friendliness, these three sensors are designed to fit the same industry standard 1/3" optical format, allowing for "Pin to Pin" compatibility, and making a smooth upgrade path.

Four different DSI sensors are currently available to sampling, projected for mass production by the end of 2019.