Journal
JAPANESE JOURNAL OF APPLIED PHYSICS
Volume 47, Issue 8, Pages 6347-6353Publisher
IOP PUBLISHING LTD
DOI: 10.1143/JJAP.47.6347
Keywords
electronic paper; light printer; flexible display; ORW; photoalignment
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Funding
- HKUST RGC [612406]
- [RPC07/08.EG01]
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The new principle of electronic paper that can display two-dimensional (2D) or even stereoscopic three-dimensional (3D) images was developed by us. We review the structure of the display unit that is the light printable rewritable matter with polarization dependent gray scale. It consists of one or two liquid crystal displays based on optical rewritable (ORW) technology. ORW display uses bare plastic or polarizers as substrates, while no conductor is required. Continuous grey image on ORW e-paper maintains proper performance even when the device is bent. The image is changed by light printer. We discuss and experimentally verify the possible design of the light printer device based on polarization rotation. Alternative designs based on twist nematic (TN) or ferroelectric liquid crystals (FLC) operational element are also suggested. Simple construction provides durability and low cost of the ORW e-paper concept, while amazing possibility of 3D Picture on ORW electronic paper is principally proved.
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