Lead-in electrode structure for electrochromic displays of the segmented type
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United States of America Patent
Stats
-
Aug 30, 1983
Grant Date -
N/A
app pub date -
Jul 10, 1980
filing date -
Jul 12, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrochromic display device comprises terminals formed on one of two substrates for connecting the electrochromic display device to a driver circuit, and one or more cut-off and lead-in electrodes each for connecting display segments to corresponding terminals. The cut-off and lead-in electrodes are adapted to have resistance values such that the results of a multiplication of each of the resistance values and the area of a corresponding one of the display segments are approximately constant as compared to remaining couples of the remaining display segments and corresponding lead-in electrodes. Each of the cut-off and lead-in electrodes has a cut-off portion not available for electrical interconnection. In another form of the present invention, the lead-in electrodes, regardless of whether or not the cut-off portion is present, are formed on a substantially entire surface of one of the two substrates so that gaps therebetween are not noticed by a visual scale.
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