A plasma display panel having barrier ribs designed to prevent phosphor material from forming on a top surface thereof. The barrier ribs include a plurality of parallel first barrier rib members and a plurality of parallel second barrier rib members formed substantially perpendicularly intersecting the first barrier rib members. The first barrier rib members have a cross-sectional apex width and the second barrier rib members have a cross-sectional apex. The apex width of the first barrier rib members is less than the apex width of the second barrier rib members, so that when the phosphor material is deposited thereon, the phosphor accumulates on the sidewalls of the barrier ribs and between the barrier ribs, and not on top of the barrier ribs, thus improving image quality.