Backlight module and display panel

A display panel comprising a backlight module and a liquid crystal cell disposed in a light-exiting direction of the backlight module, wherein the backlight module comprises:

• a backboard comprising a bottom board and an outer frame fixedly connected to the bottom board, wherein the outer frame surrounds the bottom board to form an accommodation chamber;
• and the outer frame comprises a first side and a second side opposite in a first direction and parallel to each other in a second direction different from the first direction and a third side and a fourth side opposite in the second direction and parallel to each other in the first direction;
• and
• a plurality of the widening members disposed on a side of the outer frame opposite to the accommodation chamber and detachably connected to the outer frame,
• wherein the plurality of the widening members are detachably connected to each other, and
• wherein for each of the one or more of the first side, the second side, the third side, and the fourth side, a sum of widths of the outer frame and the widening member attached to the outer frame is adjustable by replacing the widening member with an additional widening member with different width from that of the widening member, and the additional widening member is configured to detachably attached to the outer frame.

A backlight module comprising:

• a backboard comprising a bottom board and an outer frame fixedly connected to the bottom board, wherein the outer frame surrounds the bottom board to form an accommodation chamber, and the outer frame comprises a first side and a second side opposite in a first direction and parallel to each other in a second direction different from the first direction and a third side and a fourth side opposite in the second direction and parallel to each other in the first direction;
• and
• one or more first widening members detachably attached to one or more outside surfaces of the outer frame away from the accommodation chamber at one or more of the first side, the second side, the third side, and the fourth side, respectively, wherein the one or more first widening members are detachably connected to each other,
• wherein for each of the one or more of the first side, the second side, the third side, and the fourth side, a sum of widths of the outer frame and the first widening member attached to the outer frame is adjustable by replacing the first widening member with a second widening member with different width from that of the first widening member, and the second widening member is configured to detachably attached to the outer frame.