China Packaging Network Compilation: Siemens, Berlin, Germany will launch an electronic animated label in 2007. The extremely thin color display is based on an electrochromic substrate that can change color with changes in the voltage within the molecule because of the difference in voltage and absorption wavelengths. The display consists of an electrochromic material patterned with electrodes and the conductive film acts as the other electrode, twice the number of transparent windows. Currently, silicon rectifying components provide control. Researchers plan to use a printing process to fabricate the entire display, including control electrodes and power supplies (such as batteries or antennas). Siemens technology and automation and drive scientists are studying the best materials. You can change colors quickly to show continuous animation. The problem to be solved now is how to integrate the display into production and packaging.

Source of information: pack.cn

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