A display assembly and a display device are provided. The display assembly includes: a flexible display panel including first and second regions arranged side by side; at least one tension member each including a connection portion that is fixed in the first region, the connection portion has a first surface distal to the flexible display panel; at least one first support member in the first region; at least one second support member in the second region; wherein the at least one first support member, the at least one second support member and the connection portion are all on a non-display side of the flexible display panel; the at least one first support member has a first surface distal to the flexible display panel; and the first surface of the connection portion is closer to the flexible display panel than the first surface of the first support member.