Laundry dryer comprising: - an outer casing including a basement and having a front wall and a rear wall; - a drum adapted to house the laundry to be dried, said drum being rotatably mounted inside the casing so that is apt to rotate around an axis and comprising a front end facing the front wall of the casing and a rear end facing the rear wall of the casing; - a back wall to close the rear end of said drum, said back wall including a portion which is air permeable, said air permeable portion having a delimiting edge; - a hot-air generator structured to circulate a stream of process drying air through the rotatable drum; - the rear wall of the casing comprising an outer cover facing the rear end of the drum, the outer cover delimiting an inner conduit which is fluidly connected to the hot-air generator and which channels the stream of process drying air towards the rear end of the drum; - wherein the rear wall of the casing furthermore comprises an air-deflector member (17, 17') characterized in that, said air-deflector member (17, 17') is positioned in the inner conduit and is fixed to the rear wall so that it is stationary with respect to the drum, sucht that the air-deflector member is configured to deflect the majority of the stream of process drying air that is flowing in the inner conduit towards a portion of the back wall of the drum located below a horizontal plane passing through the axis of rotation of the drum, said portion of the back wall of the drum including a part of the delimiting edge of the air permeable portion of the back wall so that the stream of process air hits the laundry included in the drum staying for the majority of the time at the lower part of the drum. - an outer casing including a basement and having a front wall and a rear wall; - a drum adapted to house the laundry to be dried, said drum being rotatably mounted inside the casing so that is apt to rotate around an axis and comprising a front end facing the front wall of the casing and a rear end facing the rear wall of the casing; - a back wall to close the rear end of said drum, said back wall including a portion which is air permeable, said air permeable portion having a delimiting edge; - a hot-air generator structured to circulate a stream of process drying air through the rotatable drum; - the rear wall of the casing comprising an outer cover facing the rear end of the drum, the outer cover delimiting an inner conduit which is fluidly connected to the hot-air generator and which channels the stream of process drying air towards the rear end of the drum; - wherein the rear wall of the casing furthermore comprises an air-deflector member (17, 17') characterized in that, said air-deflector member (17, 17') is positioned in the inner conduit and is fixed to the rear wall so that it is stationary with respect to the drum, sucht that the air-deflector member is configured to deflect the majority of the stream of process drying air that is flowing in the inner conduit towards a portion of the back wall of the drum located below a horizontal plane passing through the axis of rotation of the drum, said portion of the back wall of the drum including a part of the delimiting edge of the air permeable portion of the back wall so that the stream of process air hits the laundry included in the drum staying for the majority of the time at the lower part of the drum.