Abstract: The present disclosure provides an air conditioner for a vehicle including a door disposed inside an air conditioning case and configured to adjust an opening degree of an air flow path including a first gear and a second gear coupled to the door or door driving components, wherein the first gear and the second gear include a first tooth and a second tooth meshing with each other, the first gear includes a rib protruding in an axial direction and a first cover disposed above the first tooth, and the second gear includes a first groove into which the rib is inserted and a second groove into which the first cover is inserted.

Abstract: According to an exemplary embodiment, the output end may be reduced in thickness when compared to that of the output end in accordance with the related art. Therefore, the output end may be applied to the light guide plate having the thin thickness, and also, the display device including the backlight unit having the thin thickness may be manufactured. In addition, the light emitting device package may not be limited to the thickness thereof, unlike the light emitting device package in accordance with the related art.