Display comprising touch panel
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United States of America Patent
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Feb 21, 2006
Grant Date -
N/A
app pub date -
Apr 14, 1999
filing date -
Dec 4, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The display device with touch sensor according to the invention consists of an electrochromic cell known per se or a liquid crystal cell, which is located between two transparent plates, a transparent cover plate and a transparent support plate. A radiation source whose light enters the cover plate and illuminates it is arranged on at least one of the end faces of the transparent cover plate. At least one photodetector, in whose photosensitive solid angle range some or all of the cover plate surface lies, is mounted on the support plate is.
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Cited Art Landscape
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