Omnivision’s OV50K40 smartphone image sensor with TheiaCel technology achieves human eye-level high dynamic range (HDR) with a single exposure. Initially introduced in automotive image sensors, TheiCel employs lateral overflow integration capacitors (LOFIC) to provide superior single-exposure HDR, regardless of lighting conditions.
The OV50K40 50-Mpixel image sensor features a 1.2-µm pixel in a 1/1.3-in. optical format. High gain and correlated multiple sampling enable optimal performance in low-light conditions. At 50 Mpixels, the sensor has a maximum image transfer rate of 30 fps. Using 4-cell pixel binning, the OV50K40 delivers 12.5 Mpixels at 120 fps, dropping to 60 fps in HDR mode but with a fourfold increase in sensitivity.
To achieve high-speed autofocus, the OV50K40 offers quad phase detection (QPD). This enables 2×2 phase detection autofocus across the sensor’s entire image array for 100% coverage. An on-chip QPD remosaic enables full 50-Mpixel Bayer output, 8K video, and 2x crop-zoom functionality.
The OV50K40 image sensor is now in mass production.
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