This invention relates to an electrophoretic display comprising isolated cells of well-defined shape, size and aspect ratio which cells are filled with charged pigment particles dispersed in a solvent, a backlight and optionally a background layer. The display may have the traditional up/down switching mode, an in-plane switching mode or a dual switching mode.

 
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< Beamformed ultrasonic imager with delta-sigma feedback control

< Interface device for sensing position and orientation and outputting force to a user

> Fresnel lens sheet and rear projection screen

> Miniature x-ray tube with micro cathode

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