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Document Type

Thesis - University Access Only

Award Date

1989

Degree Name

Master of Science in Engineering (MSE)

Department

Electrical Engineering

First Advisor

D. E. Sander

Abstract

The technology of the Glow CubeR* display pixel and the reasons for testing it are explained. Glow Cube performance characteristics are defined, and the variables that affect them are outlined. A linear Hall effect transducer is used to measure the magnetic field emanating from a pixel as it is driven and rotates. A test device is constructed using a commercially available data acquisition board to sample the transducer signal and store it in a personal computer. The mechanical and electrical contributions to this signal are determined. Signal measurements are used to quantify Glow Cube quality, and a new Glow Cube quality control test is proposed. The design of the Glow Cube display pixel, including theory of operation and plastic and magnetic component specifications, is considered proprietary by Daktronics, Inc. Al though it may seem that certain of these details would be necessary for this paper, the author feels that a thorough description of the function of the Glow Cube pixel and-the variables that influence it is presented.

Library of Congress Subject Headings

Daktronics, Inc

Electroluminescent display systems -- Testing

Information display systems -- Testing

Optoelectronic devices

Format

application/pdf

Number of Pages

86

Publisher

South Dakota State University

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