Lead-in electrode structure for electrochromic displays of the s

Details Lead-in electrode structure for electrochromic displays of the s Lead-in electrode structure for electrochromic displays of the s

1980-07-10

1983-08-30

Davie, James W.

G02F 117

Patent

active

044013701

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.

REFERENCES:
patent: 3947801 (1976-03-01), Bube
patent: 4153344 (1979-05-01), Hamada et al.
patent: 4210390 (1980-07-01), Yaguchi
patent: 4331386 (1982-05-01), Minami

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