4.7 Article

High Dynamic Range Smart Window Display by Surface Hydrophilization and Inkjet Printing

期刊

ADVANCED MATERIALS TECHNOLOGIES
卷 7, 期 5, 页码 -

出版社

WILEY
DOI: 10.1002/admt.202101026

关键词

inkjet printing; light scattering; micro-etching-mask; smart window display; surface modification

资金

  1. Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy via the Excellence Cluster 3D Matter Made to Order [EXC-2082/1-390761711]
  2. Chinese Scholarship Council [201906150139]
  3. Projekt DEAL
  4. Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) [DFG-SPP 1839]

向作者/读者索取更多资源

This study developed a novel surface modification process and digital encoding for direct inkjet printing of micro-etching-masks on hydrophobic elastomers, achieving a pixelated haze distribution. Compared to traditional mechanoresponsive smart windows, this new technology allows for haze tunability in either static or strain-applied state, enhancing its potential for use in high dynamic range signage displays.
Mechanoresponsive smart windows have been intensively investigated in recent years as they offer various applications for signage and light management. However, integrating a display functionality into such smart windows remains a challenge since the realization of pixels in these devices is difficult. In addition, mechanoresponsive smart windows with a high dynamic range are rarely demonstrated because they would suffer from complex fabrication processes and high costs. In this work, a novel surface modification process and digital encoding were developed for direct inkjet printing of micro-etching-masks on hydrophobic elastomers, and a pixelated haze distribution was realized. Compared to the traditional mechanoresponsive smart windows, which modify the optical performance by applied strain solely, here, a smart window with haze tunability in either static or strain-applied state is demonstrated. The work enhances the potential of the fabricated smart window to be applied in high dynamic range signage displays.

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