Researcher:
Sayınta, Murat

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PhD Student

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Murat

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Sayınta

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Sayınta, Murat

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2007 - 20082

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Researcher Of Publications: search.filters.isAuthorOfPublication.6712233a-c208-4492-a6f0-dcca46fe3fee

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    Scanning led array based volumetric display
    (IEEE, 2008) N/A; N/A; Department of Electrical and Electronics Engineering; Sayınta, Murat; Işıkman, Serhan Ömer; Ürey, Hakan; PhD Student; Master Student; Faculty Member; Department of Electrical and Electronics Engineering; Graduate School of Sciences and Engineering; Graduate School of Sciences and Engineering; College of Engineering; N/A; N/A; 8579
    A novel quasi-holographic display concept is developed using Light Emitting Diode (LED) arrays on scanning platform. The display system is capable of providing smooth motion parallax and solving the accommodation -vergence rivalry. Each scanner module contains I D LED array mounted on a polymer scanner with a lens for imaging the LEDs onto a special diffuser screen. The scanning modules are actuated electromagnetically and the LEDs are driven with an external LED driving Field Programmable Gate Array (FPGA) circuitry designed for the purpose. The scanners have a natural frequency of 12.7 Hz, scan line of 21.5 degrees Total Optical Scan Angle (TOSA) and a quality factor of 20. The three dimensional (3D) display concept is proved with two of these modules by displaying two points sequentially at two different depths.
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    Scanning led array based volumetric display
    (IEEE, 2007) N/A; Department of Electrical and Electronics Engineering; Sayınta, Murat; Ürey, Hakan; PhD Student; Faculty Member; Department of Electrical and Electronics Engineering; Graduate School of Sciences and Engineering; College of Engineering; N/A; 8579
    This paper reports a novel volumetric display system using 1D LED arrays mounted on rotating platforms to create a quasi-holographic display. the system employs a 2D array of such modules and a special diffuser screen in front of them. a virtual 3D image pixel (voxel) appears behind the screen at the intersection of 2 rays emitted from 2 LEDs at different rotation angles. the basic concept is reported for the first time here. a subsystem demonstrator is developed using a single LED mounted on a polymer scanner platform rotating at 60Hz, which corresponds to the refresh rate of the display system. Large rotation angle and high modulation speeds are achievable with LEDs mounted on polymer scanners. an array of LEDs can be driven by a LED Driving IC, integrated with the polymer scanner.