Support bracket, sub-backlight module, display device and splicing display module

A sub-backlight module, characterized in comprising:

• a back plate comprising a bottom plate and a side plate;
• an intermediate frame and a diffuser, wherein the intermediate frame is assembled with and fixed to the back plate;
• and
• a support bracket for supporting the diffuser, wherein the support bracket comprises a support post and a mounting part arranged in a first direction, wherein the mounting part comprises a connection part and a base arranged opposite to each other along the first direction;
• wherein the connection part is connected to the base;
• wherein the support post extends in the first direction, and an end of the support post close to the mounting part is fixed to the connection part;
• wherein the side plate is positioned on a first side of the bottom plate and connected to an edge portion of the bottom plate;
• wherein the support bracket is positioned on the first side of bottom plate, with the mounting part of the support bracket fixed to the bottom plate;
• wherein the intermediate frame comprises:
• a first support structure and a second support structure, wherein a side of the first support structure away from the bottom plate is a first support surface, and the second support structure is positioned on a side of the first support surface away from the bottom plate;
• wherein the diffuser is positioned on the side of the first support surface away from the bottom plate and on an inner side of the second support structure, a clearance space is formed between the diffuser and an inner side wall of the second support structure, and an orthographic projection of the diffuser on the first support surface overlaps the first support surface;
• wherein a light guide bar is provided between the first support surface and the diffuser;
• and
• wherein a first side of the light guide bar close to the second support structure is in contact with the inner side wall of the second support structure.

A sub-backlight module, characterized in comprising:

• a back plate comprising a bottom plate and a side plate;
• a support bracket for supporting a diffuser, wherein the support bracket comprises a support post and a mounting part arranged in a first direction, wherein the mounting part comprises a connection part and a base arranged opposite to each other along the first direction;
• and
• a plurality of light bars arranged in a third direction, wherein each light bar comprises a plurality of lamp beads arranged in a fourth direction, and a ratio of the number of lamp beads to the number of support brackets is 6:1 to 10:1;
• wherein the connection part is connected to the base;
• wherein the support post extends in the first direction, and an end of the support post close to the mounting part is fixed to the connection part;
• wherein the side plate is positioned on a first side of the bottom plate and connected to an edge portion of the bottom plate;
• wherein the support bracket is positioned on the first side of bottom plate, with the mounting part of the support bracket fixed to the bottom plate;
• wherein all the light bars are divided into a plurality of light bar sets, each light bar set comprises at least one light bar, each light bar set is configured with a corresponding adapter plate, and each light bar is electrically connected to the corresponding adapter plate through a first cable;
• wherein the adapter plate is fixed on a first side of the bottom plate, and the adapter plate is electrically connected to a power supply control module on a second side of the bottom plate through a second cable penetrating the bottom plate;
• and
• wherein a receiving slot is formed on the bottom plate in a region corresponding to the adapter plate, and the adapter plate is positioned in the corresponding receiving slot.