Coated glazing having improved readability and method of making same

A window glass, readability technology, applied in the field of vehicle coated laminated window glass, can solve problems such as electromagnetic interference and reflection

Pending Publication Date: 2020-09-01
SAINT GOBAIN VITRAGE SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The present invention aims to solve the problem of electromagnetic interference caused by the conduction of the film, the reflection of RF waves caused by the metal layer in the window glass, and eliminate the grounding caused by the RFID device embedded in the laminated window glass

Method used

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  • Coated glazing having improved readability and method of making same
  • Coated glazing having improved readability and method of making same
  • Coated glazing having improved readability and method of making same

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Embodiment Construction

[0023] The invention will now be discussed in more detail with reference to the drawings accompanying this application. In the figures, identical and / or corresponding elements are indicated by identical reference numerals.

[0024] Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. The object of the present invention is to provide an improved motor vehicle glazing which, in addition to the usual functions, also contains other functions. The invention also provides an improved automotive glazing incorporating one or more data transponders, in particular a laminated glazing having better data transponder readability properties.

[0025] The present disclosure provides a coated laminated glazing having a first substrate, a second substrate and one or more interlayers, the coated laminated glazing being designed to provide improved readability. The glazing includes a surface coating disposed on at least one subs...

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Abstract

A coated laminated glazing providing the improved readability for a data transponder device is disclosed. The coated laminated glazing includes a surface coating layer provided on at least one of facetwo or face three of the laminated glazing and having an etched area selectively provided on the surface coating layer. The coated laminated glazing comprises the data transponder or an antenna positioned below the etched area and sandwiched between a first substrate and a second substrate of the laminated glazing, alternatively, the data transponder is fixed in close proximity to the etched areato face 1 or face 4 of the laminated glazing. The etched area is characterized by a plurality of disjoint patterns to provide the improved data readability through RF transparency. The coated laminated glazing further comprises one or more interlayers disposed between the first substrate and the second substrate.

Description

technical field [0001] The present disclosure relates generally to vehicle coated laminated glazings embedded with one or more data transponders, and more particularly to laminated glazings having improved data transponder readability performance. Background technique [0002] The Background Description includes information that may be useful in understanding the present disclosure. It is not an admission that any information presented herein is prior art or relevant to the presently claimed invention, or that any publication specifically or implicitly referenced is prior art. [0003] Currently, radio frequency identification (RFID) tags and near field communication (NFC) tags are provided on vehicle windshields in the form of stickers and used as data storage devices to store vehicle-related data or information. Furthermore, there are solutions which disclose embedding data transponders in the middle of laminated glazing or windshields. [0004] US Patent No. 6,275,157 t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K19/077
CPCG06K19/07722G06K19/07749G06K19/07773G06K19/07745B32B17/1022B32B17/10201B32B17/10761B32B17/1077B32B17/10743B32B17/10146H01Q1/40H01Q1/2225H01Q1/1271
Inventor S·R·戴维A·唐加尼
Owner SAINT GOBAIN VITRAGE SA
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