Electrochromic display device
专利汇可以提供Electrochromic display device专利检索，专利查询，专利分析的服务。并且PURPOSE: To obviate consuming external power during displaying period, letting the power be consumed only at the erasing of display and achieve the saving of external power by so forming the electrochromic display device that the display body itself forms a bettery.
CONSTITUTION: A transparent glass made housing 1 sealed with a working electrode 5 made of a metal plate and electrochromic active medium (b) and a transparent glass made housing 2 sealed with a counter electrode 7 made of a metal plate and an aqueous solution 8 of a reduction potential lower than that of the abovementioned active medium 6 are equipotentially connected by means of a salt bridge (e.g., aqueous solution of saturated KCl is used) 4 contained in a glass tube 3 and the circuit is formed by the leads 10, 11 of the electrodes 5, 7, relay 12, external power source 13, etc. When the electrodes 5, 7 are shorted by letting the moving piece of the relay 12 touch the terminal on the upper right side of the figure colored insoluble substance deposits on the working electrode 5 and that color is retained. When the electrode 5 is connected to the external power source 13 via the relay 12, the color on the working electrode 5 disappears.
COPYRIGHT: (C)1979,JPO&Japio，下面是Electrochromic display device专利的具体信息内容。
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