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Electrical connections for plastic panels having conductive grids

A technology for electrical connectors and panels, which is applied in the field of connection of plastic panels, and can solve problems such as spring contacts becoming loose, heating grids not working, unacceptable bonding strength and/or reliability, etc.

Inactive Publication Date: 2015-07-22
EXATEC LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, over the life of the vehicle, due to fatigue and / or vibration, the spring contacts may become loose, resulting in non-operating or poor working condition of the heating grill
Regarding the pad bond structure, applying too much or too little solder weakens the bond between the terminal and the pad, which may cause the terminal itself to easily come off the pad
Due to the low glass transition temperature of the plastics used in plastic panels and windows, conventional high temperature solders cannot be used to form a strong connection to the busbars
Unfortunately, commercially available low temperature solders and even conductive adhesives have unacceptable bond strength and / or reliability

Method used

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  • Electrical connections for plastic panels having conductive grids
  • Electrical connections for plastic panels having conductive grids
  • Electrical connections for plastic panels having conductive grids

Examples

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Embodiment Construction

[0048] The following description of the preferred embodiment is exemplary only in nature and is in no way intended to limit the scope of the invention or its application or uses.

[0049] now refer to figure 1 , which generally illustrates a plastic window or body panel system 10 comprising, as its main component, a conductive grid 12 disposed on a panel 14 . Conductive grid 12 may be one of a variety of elements that provide functionality to window system 10 . Thus, the conductive grid can be an antenna well known in the art, an electroluminescent border, a heat generating grid, and a device like an electrochromic device, a photochromic device, a liquid crystal device, a user-controllable photochromic device, a polymer dispersed liquid crystal One of the color rendering devices such as devices and suspended particle devices. However, for convenience, the conductive grid is generally described herein as the heat generating grid 12 .

[0050] The heat generating grid 12 pref...

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PUM

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Abstract

A plastic panel system including a transparent plastic panel and an electrically conductive grid. The panel includes a substrate and the grid is provided on the panel so as to overlie the substrate. Including with the grid is at least one conductive mounting location. An electrical connector, which includes a plastic portion and an electrically conductive portion, is secured to the panel by ultrasonically welding the plastic portion to the panel. As a result of the retention of the connector with the panel, the conductive portion of the panel is in electrical contact with the mounting location of the conductive grid. The electrical system of an automotive vehicle can be attached to the connector of the panel system.

Description

technical field [0001] The present invention generally relates to the connection of electrical terminals to a plastic panel having a conductive grid thereon. More particularly, the present invention relates to connecting electrical terminals to electrical circuits applied to a plastic substrate in a plastic window system to provide defrosting and defogging, signal reception, lighting, and other functions to the window system. Background technique [0002] Conductive grids have long been used to provide functionality to glass panels. For example, electrically heated grilles can be used for defrosting and defogging of windows, especially the rear windows of automobiles. Various types of electrically heated windows have been devised which generally include an electrically conductive heating grid placed proximate the inside or outside of the window. A heat generating grid typically includes a pair of opposing bus bars between which a set of grid wires extends. During the flow...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B3/84
CPCH05B2203/016H05B3/84
Inventor E·F·J·M·范德默伦K·D·维斯R·A·施文克
Owner EXATEC LLC