Ultrathin flexible bendable light guide plate structure

Through a multi-layer composite structure design, the problem of uneven optical performance and mechanical strength of traditional flexible light guide plates under bending conditions is solved, achieving efficient light transmission and uniform light output, extending service life, and making it suitable for flexible displays and curved lighting.

CN224287176UActive Publication Date: 2026-05-26SHENZHEN GOMANY ELECTRONIC CO LTD
0 Cites 0 Cited by

Patent Information

Application Number
CN202520918188.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-12
Publication Date
2026-05-26
Estimated Expiration
2035-05-12

AI Technical Summary

Technical Problem

Traditional flexible light guide plates are prone to micro-cracks and optical interface separation under repeated bending conditions, resulting in severe light efficiency attenuation, shortened service life, and difficulty in balancing optical performance and mechanical strength.

Method used

It adopts a multi-layer composite structure, including a polymethyl methacrylate core light guide layer, a glass microsphere scattering layer, a polyurethane acrylate flexible coating, and a transparent polyimide substrate, which are tightly bonded together with optical adhesive to ensure light transmission efficiency and flexible bending characteristics. A white PET reflective film is used to recover leaked light and enhance structural stability.

Benefits of technology

It achieves stable optical performance of ultra-thin flexible light guide plates under repeated bending, improves light energy utilization and service life, adapts to curved surface installation requirements, and provides lightweight flexible display and curved lighting solutions.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The utility model provides an ultrathin flexible bendable light guide plate structure, which belongs to the technical field of optical lighting equipment and comprises a bottom frame, a light-transmitting plate fixedly mounted on the inner wall of the bottom frame, a light-transmitting hole formed in the surface of the light-transmitting plate, a core component arranged on the inner wall of the light-transmitting plate and a connecting component arranged on the surface of the core component. The reflecting plate is fixedly connected to the inner wall of the bottom frame. Through the arrangement of the multi-layer composite structure, the excellent optical performance and the flexible bendable characteristic of the light guide plate in the ultrathin form are achieved, the polymethyl methacrylate core light guide layer is matched with the glass bead scattering layer, and even area light source output is achieved while the light conduction efficiency is guaranteed; due to the unique design of the flexible coating and the transparent polyimide substrate, the product has excellent bending performance and can adapt to various curved surface mounting requirements, and due to the combination of the ultrathin glass filling layer and the atomized PET film mounting layer, the structural stability is ensured, and good optical interface characteristics are maintained.
Need to check novelty before this filing date? Find Prior Art