Glass assembly and window assembly

EP4747096A1Pending Publication Date: 2026-05-27SAINT GOBAIN SEKURIT FRANCE
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
SAINT GOBAIN SEKURIT FRANCE
Filing Date
2024-07-18
Publication Date
2026-05-27

AI Technical Summary

Technical Problem

Existing vehicle window glass technologies struggle to provide effective privacy protection while maintaining a lighting effect or decorative pattern, especially in reducing the influence of yellow-green visible light sensitive to human eyes.

Method used

A glass assembly comprising a first glass body, a second glass body, and an intermediate layer, with a light extraction structure or an active luminescent layer that reduces light transmittance of the yellow-green visible light wavelength band, thereby providing privacy protection and reducing external influence.

Benefits of technology

The glass assembly effectively reduces light transmittance of yellow-green visible light, enhancing privacy and security by minimizing the impact of sensitive light on outside vehicles and pedestrians, while maintaining a lighting or pattern effect inside the vehicle.

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    Figure CN2024106103_23012025_PF_FP_ABST
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Abstract

The present disclosure provides a glass assembly and a window assembly. The glass assembly comprises a first glass body, a second glass body and an intermediate layer for attaching the first glass body and the second glass body to each other; the glass assembly further comprises a light extraction structure, incident light entering the glass assembly is extracted at the light extraction structure and led out from the second glass body, and / or the glass assembly further comprises an active luminescent layer, light emitted by the active luminescent layer is led out from the second glass body; wherein the glass assembly is configured to reduce a light transmittance T1 of at least portion of the wavelength band of yellow-green visible light. By reducing the light transmittance of the yellow-green visible light sensitive to human eyes, the glass assembly disclosed by the present disclosure can set the light transmittance of the glass assembly according to different application occasions, meet functional requirements such as privacy, and reduce or avoid the influence of the yellow-green visible light sensitive to human eyes in some occasions.
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