Photovoltaic front glass and solar cell modules

CN224439543UActive Publication Date: 2026-06-30WUXI UTMOST LIGHT TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WUXI UTMOST LIGHT TECH CO LTD
Filing Date
2025-06-30
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing photovoltaic front-panel glass lacks UV blocking capabilities, leading to aging or oxidation damage to the encapsulant film and cells inside the photovoltaic module, affecting module quality. Furthermore, the existing UV blocking agent has a complex manufacturing process.

Method used

An ultraviolet (UV) cutoff layer is set on the front glass of a photovoltaic panel, including a UV cutoff body layer and a protective layer. A gradient transition design is formed through an intermediate connecting layer and a transition layer. Silicon nitride, silicon oxynitride, and silicon dioxide materials are used, and the film thickness and structure are optimized to improve UV resistance.

Benefits of technology

It improves the UV resistance of the photovoltaic front glass, reduces the risk of acid rain corrosion and internal aging damage to the battery module, enhances the light transmittance and structural stability of the module, and extends its service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

This application relates to the field of solar cell technology and provides a photovoltaic front panel glass and a solar cell module. The photovoltaic front panel glass of this application includes a glass substrate and an ultraviolet (UV) blocking layer. The UV blocking layer includes a UV blocking body layer disposed on the light-facing side of the glass substrate and a protective layer disposed on the light-facing side of the UV blocking body layer. The UV blocking body layer can block at least a portion of ultraviolet rays, and the protective layer protects the UV blocking body layer. The photovoltaic front panel glass of this application can both improve UV resistance performance using the UV blocking body layer and provide protection for the UV blocking body layer using the protective layer, ensuring the durability of the UV resistance performance of the photovoltaic front panel glass. It also reduces the risk of corrosion from acid rain and other factors such as aging or oxidation damage to the internal encapsulant film and cells (or film) of the solar cell module, thereby improving the quality of the solar cell module.
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