Toshiba has introduced its first CMOS image sensor to enable iris recognition for improved security on mobile devices. The tech giant says that its 2.1-megapixel (MP) T4KE1 captures images for recognition with higher sensitivity than conventional CMOS image sensors by omitting the usual color filter in the pixel structure, which increases sensitivity in the near-infrared (NIR) spectrum.”This is an exciting time for the image sensor business, as new applications and technologies are affording electronics manufacturers wider opportunities for improving their devices' capabilities,” said Andrew Burt, vice president of the Image Sensor Business Unit, System LSI Group at TAEC. “Toshiba is helping device makers meet these growing requirements by continually introducing innovative technology into our CMOS image sensor family, such as the NIR iris recognition in our new T4KE1.”The T4KE1 features an optical size of 1/7.3 inch and pixel pitch of 1.12 micrometer BSI. Image output is 60 frames per second (fps) at 1080p (100fps at VGA). Its MIPI CSI-2 serial interface, widely used in mobile devices, facilitates the sensor's integration into end products, and a picture flipping function allows output images to be easily flipped both horizontally and vertically. While samples of the T4KE1 CMOS image sensor are available now, mass production is set to begin in December 2015.

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