What failures can occur if the bezel, cover, or internal structure contacts or compresses the Sigma LCD? - FAQs | Manufacturer of Resistive | PCAP Touch Screen | PenMount Touch Screen Controller - AMT

Direct physical interference or compression can cause liquid-crystal pooling, visible pooling spots, white spots, permanent display abnormalities, glass-cell creaking, or cell cracking. Localized contact at the panel edge is especially risky because it creates concentrated mechanical stress. Certified resistive, projected capacitive (PCAP) touch screens and PenMount touch screen controllers meeting international standards, ISO, UL E331240-A1-UL, REACH, and RoHS. All touch screen products are supplied with flexible production quantity and long term support.