The emergence of ripples/ white spots is a common problem faced by LCD modules at present. The pressing of the fingers, the extrusion of the back cable, and the contact of the shell can cause short-term ripples or permanent white spots.
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Handheld devices in our daily use are easily contacted with sweat, rain, or in some extreme cases, they will fall into the water. Therefore, the waterproof sealing requirement for them has been increasingly stricter.
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The sealing ring used in fast chargers provide consistent sealing and water resistance in high temperature and repeated insertion and removal environments.
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