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7746 results about "Pixel array" patented technology

Single-chip imager system with programmable dynamic range

The imager system of the invention, provided in a semiconductor substrate, includes a plurality of photosensitive, charge integrating pixels that are arranged in rows and columns of a pixel array for capturing illumination of a scene to be imaged. Each pixel includes a photogenerated charge accumulation region of the semiconductor substrate and a sense node at which an electrical signal, indicative of pixel charge accumulation, can be measured without discharging the accumulation region. Pixel access control circuitry is connected to pixel array rows and columns to deliver pixel access signals generated by the access control circuitry for independently accessing a selected pixel in the array. An input interface circuit is connected to accept a dynamic range specification input for the array pixels. Integration control circuitry is connected to access a selected pixel of the array to read the sense node electrical signal of the selected pixel, and configured to generate pixel-specific integration control signals delivered to the selected pixel, independent of other pixels, based on dynamic range specification input provided by the input interface circuit. An output interface circuit is connected to the pixel array to produce output image data based on sense node electrical signals from the pixel array.
Owner:MASSACHUSETTS INST OF TECH

Multi-view pixel directional backlight module and naked-eye 3D display device

The invention discloses a multi-view pixel directional backlight module and a naked-eye 3D display device. The multi-view pixel directional backlight module comprises at least two rectangular light guide plates, wherein all the rectangular light guide plates are tightly stacked together, multiple pixels which are formed through nanometer diffraction gratings and point to different directions are formed on the light emergence surface of each rectangular light guide plate, at least one side edge of each rectangular light guide plate is provided with a light source set, and emergent light is formed by light emitted by the light source sets on pixels of multiple pixel arrays on the light emergency surfaces of the light guide plates after the light emitted by the light source sets enters the corresponding light guide plates. According to the multi-view pixel directional backlight module and the naked-eye 3D display device, due to the fact that the multiple light guide plates are stacked, the problem that mutual interference of three light sources can not be avoided on one light guide plate is solved, the pixel directional rectangular light guide plates are obtained, a feasible scheme is provided for industrial application of the multi-view pixel directional light guide plates in the naked-eye 3D display technique, and the problems which can not be solved in the prior art are solved.
Owner:SUZHOU UNIV +1
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