Backplate, backlight and display device

The utility model provides a backplate, backlight and display device belongs to and shows technical field. The backplate includes a frame that has hollow area, the frame includes four curb plates, four curb plates are two double -phase right, and end to end constitutes in proper order the frame, wherein, the inboard of at least a pair of relative curb plate is provided with the supporting part, the holding surface of supporting part is with to correspond curb plate place plane perpendicular, just the curb plate with the part that the supporting part is connected is located the middle part of curb plate the both sides of the holding surface of supporting part, the supporting part respectively with first portion of holding of framework components and the second portion of holding. The technical scheme of the utility model can save current gluey frame structure, simplify the structure of backlight, realize display device's narrow frame. 本实用新型提供了种背板、背光源及显示装置，属于显示技术领域。所述背板包括具有镂空区域的框架，所述框架包括四个侧板，所述四个侧板两两相对，依次首尾相接组成