Volumetric technology: enabling near-work compatible AR displays

Zabels, R.; Osmanis, Krišs; Ozols, Ainārs; Narels, Mārtiņš; Gertners, Uģis; Smukulis, Rendijs; Osmanis, Ilmars

doi:10.1117/12.2544891

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2022

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“…Methods for determination of liquid crystal layer thickness using light polarization are well developed and commercially available but do not work for diffuser (light scattering) type LCDs [2]. Scattering LC displays become more and more important in times of digitalization, since they allow for fast adaptive optical elements and highquality AR/VR visualization displays and glasses [3].…”

Section: Introductionmentioning

confidence: 99%

Development of Liquid Crystal Layer Thickness and Refractive Index Measurement Methods for Scattering Type Liquid Crystal Displays

Ozols

Mozolevskis

Zalubovskis

et al. 2022

Latvian Journal of Physics and Technical Sciences

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We report the measuring method of scattering type display liquid crystal layer thickness based on capacitance values suitable for inline production process control. The method is selected for its effectiveness and simplicity over spectroscopic methods as conventional methods for scattering type displays are not applicable. During the method approbation process, a novel diffuser liquid crystal mixture refractive index was determined based on liquid crystal layer thickness measurement data.

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Section: Introductionmentioning

confidence: 99%