DocumentCode
1050704
Title
A magnetic-particles display
Author
Lee, Lawrence L.
Author_Institution
Magnavox Company, Fort Wayne, Ind.
Volume
22
Issue
9
fYear
1975
fDate
9/1/1975 12:00:00 AM
Firstpage
758
Lastpage
765
Abstract
A new type of flat-panel ambient-illuminated display is described. Images in this display are formed by magnetically controlling the orientations of small spherical multicolored magnetic particles. A demonstration model is shown and the possibility for application to television is studied. It is estimated that for a 9 × 12-cm black-and-white screen with built-in magnetic memory and 500 × 500 sequential matrix addressing the display panel can be driven at TV rates with an average current of 0.27 A and dissipation of 0.26 W. Contrast ratios up to 40:1 seem achievable with continuously variable grays. The display also features a nonvolatile memory which can be very desirable for some applications. Methods for fabricating this display are also discussed.
Keywords
Cathode ray tubes; Consumer electronics; Image resolution; Liquid crystal displays; Magnetic memory; Magnetic particles; Manufacturing; Nonvolatile memory; Optical scattering; TV;
fLanguage
English
Journal_Title
Electron Devices, IEEE Transactions on
Publisher
ieee
ISSN
0018-9383
Type
jour
DOI
10.1109/T-ED.1975.18216
Filename
1478051
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