[LCTp1-11L] Reverse-Mode Light Dimming Device Using Liquid Crystal Phase Grating for Flexible Smart Windows | Proceedings of the International Display Workshops Volume 32 (IDW '25)

Proceedings of the International Display Workshops Volume 32 (IDW '25)

Dec 2 - Dec 5, 2025International Convention Center Hiroshima

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Proceedings of the International Display Workshops Volume 32 (IDW '25)

Dec 2 - Dec 5, 2025International Convention Center Hiroshima

[LCTp1-11L]Reverse-Mode Light Dimming Device Using Liquid Crystal Phase Grating for Flexible Smart Windows

*Seiya Sugawara¹, Takahiro Ishinabe¹(1. Tohoku University (Japan))

https://doi.org/10.36463/idw.2025.0110

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Keywords:

Smart window,Light dimming device,Reverse mode,LC grating,LC polymer

We have developed a reverse-mode light dimming device using a liquid crystal (LC) phase grating instead of a polymer network to achieve a flexible smart window with strong resistance to external forces. By optimizing the pitch and height of the LC phase grating, we realized a light dimming device with high transparency in a voltage-off state and confirmed its effectiveness for flexible smart window applications.

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