12 years of experience in industrial touch screen R&D and manufacturing.
Common Causes Of Damage To Touchscreens: Controller Damage
2025-12-10
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- Touchscreen Controller Malfunction: A Crucial Factor The touchscreen controller is a vital component of the touchscreen system, responsible for interpreting touch inputs and converting them into digital signals. Damage to the controller can occur due to electrical surges, overheating, physical impacts, or manufacturing defects. Such damage can result in unresponsive or erratic touch behavior, necessitating the repair or replacement of the controller unit. Ensuring proper electrical grounding and using high-quality components can help to reduce the risk of controller damage.
- Static Electricity: A Unique Hazard for Capacitive Screens Capacitive touchscreens are particularly vulnerable to static electricity. Small static discharges can cause 'drift', a phenomenon where the screen's touch sensitivity becomes erratic. In severe cases, this can lead to permanent damage to the screen, emphasizing the importance of careful handling and static prevention measures.
- Conductive Substances: An Unseen Risk Other conductive substances, such as water vapor or perspiration, also pose a significant risk. These substances can inadvertently conduct electricity, leading to erratic touchscreen behavior or, worse, damage. This highlights the need for touchscreens in environments where exposure to such substances is likely, such as industrial settings or outdoor installations.
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