Conductive Sheet Grounding for Flat Panel Display Connectors

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Conventional methods for ground connection in flat panel display apparatuses require additional wiring, leading to increased space usage and a complex, time-consuming connector assembly process due to the need for an additional ground wire between the circuit board and connector.

Innovation Solution

A conductive sheet with a connecting, ground, and main sheet portion is used, where the main sheet extends along the connector's contour to contact the conductive frame, eliminating the need for an additional ground wire and simplifying the assembly process by providing a direct surface contact ground connection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If an additional ground wire is used to connect the circuit board and connector, then the ground connection is achieved, but the wiring space increases and the assembly process becomes more complex and time-consuming

Engineering Contradiction:
Improveground connectionVSAvoidassembly process
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent merges the ground connection function with the existing connector structure by integrating a conductive sheet into the connector housing. The conductive sheet includes a ground terminal portion that connects to the circuit board ground pad and a ground connection portion that contacts the conductive frame, eliminating the need for a separate ground wire and simplifying the assembly process.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The connector housing is designed to serve multiple functions: it provides mechanical support for the connector, houses the conductive sheet for ground connection, and integrates the ground connection path within its structure. This multi-functionality reduces the number of separate components needed and simplifies the overall assembly.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If an additional ground wire is used to connect the circuit board and connector, then the ground connection is achieved, but the wiring space increases

Engineering Contradiction:
Improveground connectionVSAvoidwiring space
Core Design Contradiction:
ReliabilityVSArea of stationary object

Solution Approach 1:

The ground connection path is merged into the connector housing structure through the conductive sheet. The connecting sheet portion connects to the ground terminal, the main sheet portion extends along the connector contour, and the ground sheet portion contacts the conductive frame, creating an integrated ground path that occupies minimal space within the existing connector footprint.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The conductive sheet utilizes the three-dimensional space within and around the connector housing. The sheet portion extends along the contour of the connector in multiple directions, effectively using available spatial dimensions rather than requiring additional linear wiring space on the circuit board.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This design reduces the internal space required for ground connections, simplifies the assembly process, and prevents electromagnetic interference during signal transmission, while also supporting the thinning design of flat panel display apparatuses.

Implementation Method 1

The conductive sheet includes a connecting sheet portion, a main sheet portion, and at least one ground sheet portion... to make the at least one ground sheet portion contact the conductive frame for ground connection of the connector

Methodology Applied
Scientific EffectElectrical conduction: Conduction (electrical)

Data Source

PatentUS10763621B2Flat panel display apparatus and conductive sheet thereof
Publication Date: 2020.09.01 QISDA CORP
  • US10763621B2 patent drawing
  • US10763621B2 patent drawing
  • US10763621B2 patent drawing

AI summary

A flat panel display apparatus includes a flat panel display device, a conductive frame, a circuit board, a connector having a ground terminal, and a conductive sheet. The conductive frame is disposed at a back surface of the flat panel display device. The circuit board is disposed in the conductive frame and is electrically connected to the flat panel display device. The connector is disposed on the circuit board and is disposed through the conductive frame. The conductive sheet includes a connecting sheet portion, a ground sheet portion, and a main sheet portion. The connecting sheet portion is connected to the ground terminal. The main sheet portion extends from the connecting sheet portion to the ground sheet portion along a contour of the connector, to make the ground sheet portion be located at a side of the connector and contact the conductive frame for ground connection of the connector.