Abstract: The present invention is a curtain rod assembly, to help create a blackout effect by the curtain blocking unwanted light entering between the wall and the top and sides of the curtain. When the curtain rod assembly is mounted to the wall, a flat front surface of a curtain rod is vertically inclined to guide a curtain header into contact with the wall to prevent light leakage from the top of the curtain. A mounting member may be contoured to define between the mounting member and the wall a space into which a side edge of the curtain may be tucked to prevent light leakage from the sides of the curtain. The mounting member may define a socket that extends along a vertically inclined axis, and into which an end of the curtain rod can be inserted so as to be removably retained by gravity.