Ding Hui Science and Technology has continuously made new progress in the field of human-computer interaction technology of intelligent mobile terminals, including mobile phones, tablet computers and wearable products, and successively introduced a number of full touch and fingerprint identification technologies with independent intellectual property rights, including single-layer multi-touch technology, near-field communication technology based on capacitance detection, sapphire panel fingerprint identification technology and fingerprint identification technology integrating touch panel and fingerprint identification panel.