PROBLEM TO BE SOLVED: To provide an on-vehicle display device capable of achieving further improvement.SOLUTION: An on-vehicle display device 10 includes a display screen 104, a visible light camera 106 for receiving a visible light from a person receiving a light emitted by the display screen 104, an infrared light LED 107, an infrared light camera 108 for receiving an infrared light from a person receiving an infrared light emitted by the infrared light LED 107, and a CPU 101. Based on a waveform extracted from the light reception intensity of the visible light received by the visible light camera 106, and a waveform extracted from the light reception intensity of the infrared light received by the infrared light camera 108, the CPU 101 controls the emission of the infrared light by the infrared light LED 107, calculates pulse wave information on the person's pulse wave from the waveform extracted from the light reception intensity of the infrared light received by the infrared light camera 108 after the control, and outputs the calculated pulse wave information.SELECTED DRAWING: Figure 1【課題】更なる改善を実現できる車載表示装置を提供する。【解決手段】車載表示装置10は、表示画面104と、表示画面104が出射した光を受けた人から発せられる可視光を受光する可視光カメラ106と、赤外光LED107と、赤外光LED107が出射した赤外光を受けた人から発せられる赤外光を受光する赤外光カメラ108と、CPU101とを備え、CPU101は、可視光カメラ106が受光した可視光の受光強度から抽出される波形と、赤外光カメラ106が受光した赤外光の受光強度から抽出される波形とに基づいて、赤外光LED107による赤外光の出射の制御をし、制御の後に赤外光カメラ108が受光した赤外光の受光強度から抽出される波形から人の脈波に関する脈波情報を算出し、算出した脈波情報を出力する。【選択図】図1