Mirror device and vehicle display device

The invention provides a mirror device and a display device for a vehicle, wherein the size of the device can be reduced. A mirror device is provided with: a mirror (20) including a main body (21) having a reflecting surface (21a) for reflecting display light (L1), and a rotating shaft (22) protruding from a first side wall (21b) of the main body (21); and a driving member (30) including: a motor (31) including an output shaft (31a) disposed parallel to the rotating shaft (22) and adjacent to the rotating shaft (22) in a direction orthogonal to a rotation axis (AX1) of the rotating shaft (22); a first gear part (32) connected to the output shaft (31a); and a second gear part (33) which meshes with the first gear part (32) and is connected to the rotating shaft (22), and which rotates the mirror (20) by transmitting the rotation of the output shaft (31a) of the motor (31) to the rotating shaft (22) via the first gear part (32) and the second gear part (33). 一种能够使装置尺寸小型化的反射镜装置以及车辆用显示装置。反射镜装置具备：反射镜(20)，其包括具有反射显示