Design of random depolarization film using various birefringent particles for real-color displays

Shizuki Sasaki; Yasuhiro Koike

doi:10.1117/12.3002020

13 March 2024 Design of random depolarization film using various birefringent particles for real-color displays

Shizuki Sasaki, Yasuhiro Koike

Author Affiliations +

Proceedings Volume 12909, Ultra-High-Definition Imaging Systems VII; 129090C (2024) https://doi.org/10.1117/12.3002020
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

Liquid-crystal and organic light-emitting diode displays emit linearly polarized light, which causes blackout and color change problems when the displays are viewed through polarized sunglasses. To address both the blackout and color change problems, we proposed a random depolarization film (RDF), a polymer film doped with birefringent microparticles. Owing to the birefringence of randomly dispersed particles, the RDF converts linearly polarized light to randomly polarized light. In this study, to realize real-color displays with the RDF, the dopant particles were investigated based on a retardation, which is defined as a product of a birefringence and thickness of the dopant particles.

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Citation Download Citation

Shizuki Sasaki and Yasuhiro Koike "Design of random depolarization film using various birefringent particles for real-color displays", Proc. SPIE 12909, Ultra-High-Definition Imaging Systems VII, 129090C (13 March 2024); https://doi.org/10.1117/12.3002020

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