一种显示器的USB接口接地连接结构

By incorporating conductive foam and metal springs inside the monitor, a reliable grounding system for the USB interface is achieved, resolving the screen flicker issue when the USB interface is plugged in and improving the monitor's user experience.

CN224520358UActive Publication Date: 2026-07-17SHENZHEN JIEXIANG ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN JIEXIANG ELECTRONICS CO LTD
Filing Date
2025-07-28
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The USB ports on existing monitors do not have proper grounding, which can cause screen flickering when a USB flash drive is inserted, affecting the user experience.

Method used

By incorporating conductive foam and metal springs inside the display, the PCB board of the USB interface is electrically connected to the conductive sheet of the LCD module and the main board of the module control box, achieving a good grounding effect and eliminating static electricity.

Benefits of technology

It effectively avoids screen flickering when the USB port is plugged in, improving the user experience of the monitor.

✦ Generated by Eureka AI based on patent content.

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Abstract

本实用新型公开一种显示器的USB接口接地连接结构，包括：壳体，分别安装在所述壳体上的液晶模组、USB接口，分别安装在所述壳体内的模组控制盒、第一导电件、第二导电件；所述液晶模组的背面设置有导电片；所述模组控制盒包括：五金外壳、安装在所述五金外壳内的主板，所述五金外壳与主板的地电连接；所述五金外壳通过第一导电件与所述导电片电连接，所述导电片通过第二导电件与所述USB接口的PCB小板的地电连接，最终使得USB的PCB小板和主板接地串通，实现去除静电，避免外部USB接口插入时导致的屏闪现象。
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Claims

1. A USB interface ground connection structure of a display, characterized by, include: The housing includes a liquid crystal module and a USB interface mounted on the housing, and a module control box, a first conductive component, and a second conductive component mounted inside the housing. A conductive sheet is provided on the back of the liquid crystal module; The module control box includes: a metal housing and a main board installed inside the metal housing, wherein the metal housing and the main board are connected to ground. The metal casing is electrically connected to the conductive sheet via a first conductive component, and the conductive sheet is connected to the ground of the PCB board of the USB interface via a second conductive component.

2. The USB interface ground connection structure of a display according to claim 1, wherein, The first conductive element is conductive foam, and the second conductive element is a metal spring.

3. The USB interface ground connection structure of a display according to claim 1, wherein, The liquid crystal module is reinforced with a metal casing, and the conductive sheet is also a metal casing.

4. The USB interface ground connection structure of a display according to claim 1, wherein, The housing includes: a rear shell, a mid-frame connected to the rear shell, and a front panel attached to the mid-frame.

5. The USB interface grounding connection structure for a display according to claim 4, characterized in that, The module control box and USB interface are mounted on the rear cover, and the LCD module is mounted on the middle frame; the first conductive component is sandwiched between the LCD module and the module control box, and the second conductive component is sandwiched between the USB interface and the LCD module.