Antenna structure, laminated assembly and vehicle

By designing an antenna structure with a light-transmitting area, the space limitation and aesthetics of the on-board glass antenna layout are solved, and diversified layout and performance improvement on the light-transmitting substrate are achieved.

CN119726077APending Publication Date: 2025-03-28GUANGZHOU FUYAO GLASS GRP
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Patent Information

Application Number
CN202411841720.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

Existing automotive glass antennas face space limitations and aesthetic problems when laying out, especially after the black edge area of ​​the glass and the thin line area on the rear windshield, the antenna performance is damaged and the car's beauty is affected.

Method used

An antenna structure is designed, wherein part of the region of the first radiator and/or the second radiator is a light-transmissive region, which can be arranged on the light-transmissive substrate, enriching the layout selection of the antenna structure, and achieving broadband matching and circular polarization through the hollowed-out area and the metal grid conductive structure.

Benefits of technology

The design expands the range of placement of the antenna on automotive glass, avoids the impact on the aesthetics of the automobile, while improving the performance of the antenna, including broadband matching and circular polarization efficiency.

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Abstract

The invention provides an antenna structure, a laminated assembly and a carrying tool. The antenna structure comprises a first radiator and a second radiator, the second radiator and the first radiator are arranged at an interval and are coupled, and at least partial area of the first radiator and / or the second radiator is a light-transmitting area; the second radiator and the first radiator generate electromagnetic waves with corresponding frequencies under the excitation of the feed source; the first radiator comprises a hollow area, and the second radiator is arranged in the hollow area of the first radiator and is surrounded by the first radiator. Therefore, in the application, at least partial area of the first radiator and / or the second radiator is the light-transmitting area and can be arranged on the light-transmitting substrate, the types of substrates capable of being provided with the antenna structure are enriched, and the second radiator is arranged in the hollow area of the first radiator and is surrounded by the first radiator, so that the antenna structure can be arranged on the substrate by adjusting the size of the hollow area. Broadband matching and circular polarization of the antenna structure are adjusted.
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