OPTICAL METHOD AND SYSTEM FOR LIGHT FIELD (LF) INDICATIONS BASED ON TUNBILABLE LIQUID CRYSTAL (LC) DIFFUSERS

DE602020073128T2Active Publication Date: 2026-06-10INTERDIGITAL MADISON PATENT HLDG
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Patent Information

Application Number
DE602020073128
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Priority Date
2019-06-28
Filing Date
2020-06-24
Publication Date
2026-06-10
Estimated Expiration
2040-06-24

AI Technical Summary

Technical Problem

Existing 3D displays, such as volumetric displays, suffer from low resolution, large physical size, and high manufacturing costs, making them cumbersome for use outside specialized settings, and multiview displays face challenges in achieving high spatial and angular resolution with complex components and high costs.

Method used

The use of tunable liquid crystal (LC) diffusers, including surface effect liquid crystal (SELC) diffusers and LC gratings, allows for angularly-selective light diffusion without mechanical movement, enabling a multiview display that can switch between 2D and 3D modes and adjust brightness based on field of view selection.

Benefits of technology

This approach reduces the number of light emitting components and manufacturing costs while achieving high spatial and angular resolution, providing a more versatile and cost-effective 3D display experience.

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