US Patent 10267432 Display device of faucet

A display device is arranged in a faucet at a temperature detection zone to detect a temperature of water flowing therethrough and includes a sealing housing formed therein with an upper receiving space and a lower receiving space in communication with each other and having a bottom having a discharge hole extending therethrough; a circuit board arranged in the upper receiving space; a display module electrically connected with the circuit board; a temperature detection unit electrically connected with the circuit board and partly exposed outside the sealing housing; a hydraulic power generation module arranged in the lower receiving space and electrically connected with the circuit board, the display module, and the temperature detection unit; and a bottom cover fit to the bottom of the sealing housing in a manner of not covering the discharge hole and having a lower opening for entry of the mixture warm water.