Hanlinhui smart drawing writing white boards pad menu memo whiteboard teaching lcd writing board

LCD writing tablet uses the flexible liquid crystal writing technology, utilizes the bistable liquid crystal characteristic.Tracks can be recorded on liquid crystal surfaces when has the pressure to work.When a certain voltage waveform is driven, the bistable LCD is restored to the initial state , only when the drive refresh needs weak current, so as to achieve low power consumption of the product.The whole process without paper, ink, no dust.