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Designing with LEDs for Time Multiplexed Optical Shutter Displays

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Determining LED size during the design phase indicates the resulting display luminance, efficiency and power requirements.

Dr. Martin Kykta, Uni-Pixel Displays Inc.

A time multiplexed optical shutter display is an optical system that uses a thin polymeric film as a light valve to locally manipulate the phenomenon of total internal reflection at each pixel. The light valve is a deformable membrane with a micro-optical layer that contacts a clear and flat total internal reflection lightguide. The membrane covers the lightguide and is a microelectromechanical system (MEMS) (Figure 1). When the micro-optical layer on the membrane touches the lightguide surface, total internal reflection light escapes (Figure 2). Red, green and blue light is rapidly and...Read full article

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