On July 29, 2022, local time in the United States, OmniVision, a global leader in advanced digital imaging, analog, touch screen, and display technology semiconductor solutions, announced the release of its new 50-megapixel image sensor, the OV50E.
According to the introduction, this sensor provides industry-leading low-light image and high dynamic range (HDR) video capture capabilities for the main rear camera of mid-to-high-end smartphones. The OV50E utilizes staggered HDR and DCG™ technology to further support HDR and cropping zoom, while 100% quad-phase detection (QPD) enhances autofocus functionality, with low-light performance surpassing that of the previous generation image sensor. The new OV50E combines a 50-megapixel resolution with a 1.0-micron pixel size in a 1/1.5-inch optical format.
The OV50E employs staggered HDR and patented DCG technology to expand dynamic range and reduce motion artifacts in challenging lighting conditions, along with a built-in dual conversion gain combination that provides single-exposure HDR support. The maximum dynamic range exceeds 100dB. Additionally, the second-generation QPD of the OV50E enables 2×2 phase detection autofocus (PDAF) across the entire sensor image array, achieving 100% coverage, thereby improving distance calculation accuracy, autofocus speed, and low-light performance. The on-chip pixel restoration algorithm for the QPD color filter array, combined with full Bayer resolution, further enhances image quality.
James Liu, Senior Product Marketing Manager at OmniVision, stated: “Video is increasingly becoming the primary source of information for people, and smartphones are gradually replacing professional video recording equipment. However, the zoom performance of smartphones has traditionally been inadequate. The OV50E image sensor supports video HDR cropping zoom, helping users seamlessly switch between full resolution and lower resolutions while achieving full HDR functionality. Coupled with industry-leading low-light still image performance, a single smartphone can meet various consumer needs.”
The OV50E image sensor integrates a 1.0-micron large pixel size, built-in advanced noise reduction technology, and high-gain mode support, providing excellent low-light performance. The OV50E can achieve up to 64x analog gain (for full resolution) or 256x analog gain (for four-in-one pixel merged resolution). Utilizing OmniVision’s PureCel® Plus-S chip stacking technology, the OV50E can also use near-pixel merging to output 12.5-megapixel images or 4K/2K video with four times the sensitivity, achieving 2.0-micron equivalent performance for preview and video use. In any case, the OV50E can continuously capture high-quality images and enable 2x digital cropping zoom at lower resolutions and fast mode switching.
The output formats of the OV50E include 50-megapixel or 8K video (QPD autofocus, 30 frames per second), 12.5-megapixel (QPD autofocus, 60 frames per second), 4K/2K video (QPD autofocus, 60 frames per second), and 1080p video (240 frames per second). The OV50E supports CPHY/DPHY MIPI interfaces and dual DOVDD (1.8V and 1.2V).
Editor: Chip Smart News – Lin Zi
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