Touch Panel Housing Structure for Static Electricity Absorption
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Solution Overview
Problem
Existing touch panel apparatuses increase costs due to the need for additional parts to address static electricity, such as a lightning rod separate from the insulation case, leading to inefficiencies and potential safety concerns.
Innovation Solution
Integrally providing a rib on the support surface of the touch panel apparatus to attract static electricity, which is then absorbed by a metal part acting as a ground through a through hole, reducing the number of parts and costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a lightning rod separate from the insulation case is used to counter static electricity, then static electricity is effectively addressed, but the number of parts increases and cost increases
Solution Approach 1:
The patent combines the lightning rod and insulation case into a single integrated structure. The insulating case includes a through-hole formed directly in its body, eliminating the need for a separate lightning rod component. This merging reduces the total number of parts while maintaining static electricity protection functionality, as the through-hole allows static electricity to pass through the insulating case to reach the conductive sheet below.
2Reliability
If a lightning rod separate from the insulation case is used to counter static electricity, then static electricity is effectively addressed, but cost increases
Solution Approach 1:
The insulating case is designed with an integrated through-hole structure that eliminates the need for separate lightning rod components. This reduces assembly steps and manufacturing complexity, thereby lowering production costs while maintaining effective static electricity protection.
3Reliability
If additional parts are added for static electricity protection, then safety is improved, but aesthetic appearance is compromised
Solution Approach 1:
The lightning protection function is integrated into the insulating case itself through the through-hole design, eliminating the need for visible separate lightning rod components. This maintains the aesthetic appearance of the touchscreen device while providing effective static electricity protection through the integrated structure.
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
Effectively removes static electricity while minimizing cost and eliminating the need for additional safety measures, maintaining the apparatus' aesthetic appearance and preventing dust/moisture ingress.
Implementation Method 1
a metal part provided behind the support surface, and configured to absorb static electricity infiltrating from a surface of the touch panel
Implementation Method 2
a metal part provided behind the support surface, and configured to absorb static electricity infiltrating from a surface of the touch panel
Data Source
AI summary
A touch panel apparatus according to the present disclosure includes: a touch panel; a main body portion including a support surface supporting the touch panel, and configured to hold the touch panel supported by the support surface; and a metal part provided behind the support surface, and configured to absorb static electricity infiltrating from a surface of the touch panel. The main body portion includes a through hole penetrating through the main body portion from the support surface to a region facing the metal part of a region behind the support surface, and a rib provided adjacent to the through hole and integrally with the main body portion, on the support surface.