Colorless photoalignment material for fabricating liquid crystal holographic optical elements
Year: 2025
Type: article
Abstract: The optical properties of a new colorless photoalignment material, RN-4942, its fabrication stability, and applications in fabricating passive liquid crystal devices, including Pancharatnam-Berry phase optical elements and polarization volume holograms for augmented reality (AR) and virtual reality (VR) displays, are studied. Compared to conventional alignment materials, RN-4942 offers a ∼1000x higher exposure sensitivity, faster fabrication process, lower dosage requirements, and greater humidity resistance during the patterned-alignment fabrication using a holographic exposure setup, ensuring a much better alignment stability. In addition, RN-4942-based devices exhibit high thermal, temporal, and photo stabilities, making them exceptional candidates for AR/VR display applications.
Source: Optics Express
DOI: 10.1364/oe.562494
Language: English
Field: Materials Science
Domain: Physical Sciences
Open Access status: gold
Estimated APC paid: $2,270
OpenAlex ID: W4409525331