Palm rejection is a feature of advanced touch panels, mainly projected capacitive (PCAP), designed to ignore unintended touches from the palm or wrist during use. The technology distinguishes precise inputs (such as from a stylus tip) from broad-area contact, preventing accidental interactions like shifts or clicks. Palm rejection improves accuracy, comfort, and fluidity, which is especially important in handwriting applications, graphic tablets, HMI systems, and industrial panels. Depending on device design, the function may work automatically or activate when a stylus is detected.
Palm Rejection
Palm rejection lets a touch panel – typically PCAP – ignore accidental contact from the palm or wrist while registering intended finger or stylus input.
Also known as: palm detection, accidental touch rejection
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