Display screen module and display screen
The present disclosure provides a front maintenance display screen module, including: a bottom case, a PCB provided on the bottom case, and a through-hole structure penetrating the bottom case and the PCB. The through-hole structure includes a step structure at one end of the through hole structure near the PCB, and the step structure includes a convex portion and a step portion. The convex portion is configured to penetrate the PCB, a gap is provided between the convex portion and the PCB. The step portion includes a groove surrounding the convex portion. A side of the PCB near the bottom case is abutted against an edge of the groove. A sealant layer is provided in the gap and the groove.
1. A display screen module, comprising:
a bottom case,
a PCB provided on the bottom case, and
a through-hole structure penetrating through the bottom case and the PCB, wherein:
the through-hole structure comprises a step structure at one end of the through hole structure near the PCB, and the step structure comprises a convex portion and a step portion;
the convex portion is configured to penetrate the PCB, a gap is provided between the convex portion and the PCB;
the step portion comprises a groove surrounding the convex portion;
a side of the PCB near the bottom case is abutted against an edge of the groove; and
a sealant layer is provided in the gap and the groove;
wherein the convex portion comprises at least one arc structure protruded from an outer side wall of the convex portion;
the PCB comprises a through hole;
the convex portion is located in the through hole;
the through hole comprises a first notch corresponding to the arc structure, the first notch is arc-shaped; and
a radius of the first notch is larger than that of the arc structure.
2. The display screen module of claim 1 , wherein the first notch is also provided with a second notch.
3. The display screen module of claim 1 , wherein a plurality of lamp beads are provided on the PCB, and the first notch is located between two adjacent lamp beads.
4. The display screen module of claim 1 , wherein an outer diameter of the groove is larger than a diameter of the through hole.
5. The display screen module of claim 1 , wherein a rounded corner is provided at a joint between the convex portion and the groove.
6. The display screen module of claim 1 , wherein the through-hole structure is integrally formed with the bottom case.
7. The display screen module of claim 1 , wherein a side of the PCB away from the bottom case is also provided with the sealant layer.
8. A display screen, comprising a display screen module comprising a bottom case, a PCB provided on the bottom case, and a through-hole structure penetrating through the bottom case and the PCB, wherein:
the through-hole structure comprises a step structure at one end of the through hole structure near the PCB, and the step structure comprises a convex portion and a step portion;
the convex portion is configured to penetrate the PCB, a gap is provided between the convex portion and the PCB;
the step portion comprises a groove surrounding the convex portion;
a side of the PCB near the bottom case is abutted against an edge of the groove;
a sealant layer is provided in the gap and the groove;
the convex portion comprises at least one arc structure protruded from an outer side wall of the convex portion;
the PCB comprises a through hole;
the convex portion is located in the through hole;
the through hole comprises a first notch corresponding to the arc structure, the first notch is arc-shaped; and
a radius of the first notch is larger than that of the arc structure.
9. The display screen of claim 8 , wherein the first notch is also provided with a second notch.
10. The display screen of claim 8 , wherein a plurality of lamp beads are provided on the PCB, and the first notch is located between two adjacent lamp beads.
11. The display screen of claim 8 , wherein an outer diameter of the groove is larger than a diameter of the through hole.
12. The display screen of claim 8 , wherein a rounded corner is provided at a joint between the convex portion and the groove.
13. The display screen of claim 8 , wherein the through-hole structure is integrally formed with the bottom case.
14. The display screen of claim 8 , wherein a side of the PCB away from the bottom case is also provided with the sealant layer.