Samsung has filed a patent for a dual under-display camera system for facial recognition


Samsung is probably working on the development of a rather interesting facial recognition system equipped with 2 cameras under the display. Details about this system can be read in Samsung’s patent application document submitted to KIPRIS (Korea Intellectual Property Legal Information Service) in March 2021.

The mentioned document was made public last week and a German publication also obtained a copy of it. The main idea used in this system seems relatively simple. For this purpose, several different images of the user have been recorded in 2 different angles and they are used to create a better 3D model of the face. This model can be used for authentication purposes.


Samsung has clearly mentioned the use of cameras under the display; A phenomenon that in turn seems interesting. Before this, the Korean technology giant has more or less evaluated this technology in the Galaxy Fold series without its wider release. One of the speculations is that Samsung is considering dual under-display camera technology for its foldable phones. Although this hypothesis seems quite logical; But the dual camera technology under the display probably has wider use cases.

The tendency to use cameras under the display comes from the need to access 2 cameras with the maximum possible distance from each other to record the user’s image from 2 different angles. This phenomenon probably requires the placement of the camera near the bottom of the display and around the place where the fingerprint sensor is now under the display. Meanwhile, even the integration of 2 cameras in the form of an optical module seems to be a possible scenario.

This patent doesn’t really go into much detail; But it shows a schematic image of a normal smartphone with 2 cameras under the display, one in the upper part and the other in the lower part of the screen. Another thing mentioned in the patent is related to the method of measuring the size of the pupil. The key idea here is that the size of the pupil of the human eye should vary depending on the lighting conditions. This feature can be used as a double security solution against the use of tools such as masks or glasses to deceive the face authentication system.

Undoubtedly, this conceptual design has an interesting nature; But it should be noted that we are currently only dealing with a concept and not a real product or any sign of it. However, more details about this technology will probably be published in the future.

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Adib Zahedi is the CEO and Founder of He has nearly a decade of experience in IT, including two years spent working on a Youtube Chennal. He is also an author and writes articles for Has articles include tutorials and covers everything from Windows PCs to smartphone's software.

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