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Electrochemical Shift Register Disclosure Number: IPCOM000069424D
Original Publication Date: 1978-Apr-01
Included in the Prior Art Database: 2005-Feb-20

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Barclay, DJ [+details]


Under the influence of an electric field, charge is effectively transferred between display electrodes of an electrochromic display. In such a display, the display effect is achieved by electrochemically depositing a colored species, derived from a colorless electrolyte, on a display electrode. It has been proposed to address a matrix of display electrodes by an array of electric switches, such as thin-film transistors, one switch to each electrode. The addressing system proposed here, in which each row of display electrodes behaves like a shift register, substantially decreases the number of drivers required.