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UDC

(Under Display Camera)

A camera that is hidden under the surface of a an active display area. Typically, this is a front-facing camera hidden under the main display of a phone or tablet.

The purpose of an under-display camera is to enable a display that covers most of the front surface of the device without a "notch" or "hole punch" cut-out for the camera.

This technology is enabled by special display technology — usually localized to just the area over the camera — with pixels that are smaller, enabling that area of the display to be mostly transparent to the camera.

See: Pixel

Image processing software may also play a role in compensating for the display's effects on the image from the camera sensor.

An under-display camera is generally only possible with OLED display technology.

See: OLED

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