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Wednesday, November 11, 2020

Holographic Video Display for Mobile Phones

 New directions for display on mobile phone, multi dimensional?  Implications for typical phone tasks?  Advanced marketing?Sounds impressive.

Thin Holographic Video Display for Mobile Phones

IEEE Spectrum, Charles Q. Choi

At South Korea's Samsung Advanced Institute of Technology, researchers have invented a method for creating a thin holographic video display that may eventually enable 4K three-dimensional videos on mobile phones. The display has a special backlight with a beam deflector that can tilt the angles of coherent light beams from laser diodes, expanding the viewing angle 30-fold without increasing the number of pixels required. The Samsung researchers also used a slim geometric phase lens to gather scattered light from the pixels, shrinking the optical components' thickness to just 1 centimeter. The display’s single-chip holographic video processor can perform about 140 billion operations per second to generate 4K holographic color images at a speed of 30 frames per second.  ... 

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