Display device with backlit multiple symbols
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United States of America Patent
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Apr 9, 2019
Grant Date -
May 11, 2017
app pub date -
Nov 4, 2016
filing date -
Nov 6, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A display device is provided. The display device comprises a display surface with several segments that can be backlit, which are configured in such a way that, if subsets of the segments are backlit together, a different one of several symbols is in each case depicted by the display surface, a number of light sources corresponding to the number of symbols, a layer structure of several flat light transmitting layers made of a transparent or translucent material, preferably plastic, wherein the light transmitting layers are stacked with the main surfaces facing each other and are in each case configured in such a way that, primarily, light of exactly one of the light sources is transmitted from a narrow side of the light transmitting layer provided for light entrance to another narrow side of the light transmitting layer as a light exit to at least one segment of the associated symbol.
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Family
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Cited Art Landscape
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