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August 08, 2011

Taiwan i2r ePaper can be rewritten 260 times

The rewritable e-paper only requires heat to store or transmit images on the flexible cholesteric liquid crystal panel. This e-paper can achieve 300dpi high resolution with memory function. It does not consume electricity. To change any content, you can simply put the paper into a thermal writing device to complete at once image removing and writing step. It is both eco-friendly and rewritable for multiple times.

Taiwan Industrial Technology Research Institute has created i2r ePaper. i2r ePaper is rewritable e-paper that only requires heat to store or transmit images on the flexible cholesteric liquid crystal panel. The paper can be thermally reprinted up to 260 times, and researchers hope to increase that number to 500 times over the next year or two. ITRI expects the technology to be used mostly for frequently-changing signs in stores and other public places. But they’ve also been testing it out in some other interesting applications. Researchers demonstrated e-wallpaper, an e-paper clock that electronically refreshed each second and e-tickets that can be recycled and reprinted for multiple events. This new e-paper doesn’t require back-lighting

This e-paper can achieve 300dpi high resolution with memory function. It does not consume electricity. To change any content, you can simply put the paper into a thermal writing device to complete at once image removing and writing step. It is both eco-friendly and rewritable for multiple times. At the same time, since the thermal writing head is small in size and consumes minimal electricity, it is unnecessary to carry out the image removing step. Production cost is low and easy to carry out mass production. Recently, the technology has completed industry science and technology program with 4 material manufacturers and 5 equipment operators, and also transferred technology to Changchun Chemical Engineering for trial mass production. In the future, the technology may be used for producing digital books and pictorials without restriction on length, electronic bulletin board, situational wall paper, large size digital bulletin board and other innovative applications. Predictably, it will create new business opportunities for advertising, architecture and the cultural creative industry.



The new-type polarizer protective film HyTAC technology has been applied a unique organic and inorganic nano material mixing technology. The highly transparent optical film and low-toxic manufacturing processes not only conforms to the trend of environmental protection but can also replace using TAC film for the current polarizers. It is a critical material autonomously researched and developed in Taiwan. It will enhance the competitive edge of local LCD display industry and become extensive upstream materials for display.


i2R e-Paper liquid crystal has used ITRI’s leading cholesteric liquid crystal technology. It reflects the surrounding natural light with memory function and does not consume power in maintaining display. For output, it utilizes the current thermal writing head of the current fax machine for refit and uses the thermal mode for driving writing onto the cholesteric liquid crystal e-paper. The thermal writing head only requires 86°C in temperature and 37W power for writing. It is small, light and low power consuming without requirement for additional removal step. The user only needs to place the rewritable e-paper into the refit integration system to complete removal and writing in one step. It substantially leads internationally in terms of size, power consumption, writing temperature and function. Furthermore, i2R e-Paper is eco-friendly with plastic PET substrate, high molecular liquid crystal material, nano pigment absorption layer material and silver electrode are all recyclable and conform to the environmental protection laws and decrees of various nations.

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