Fingerprint readout circuit and display panel thereof
Abstract:
A fingerprint readout circuit and a display panel are disclosed. The fingerprint readout circuit includes a voltage amplifier unit, a fingerprint readout unit, and a source follower unit. The voltage amplifier unit is coupled to the fingerprint readout unit and the source follower unit, and the fingerprint readout unit is coupled to the source follower unit. The fingerprint readout circuit has both current and voltage amplification functions. Therefore, a voltage difference is amplified, facilitating reading out fingerprint signals accurately and enhancing fingerprint readout precision and accuracy.
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