Display device
View Patent ↗A display device includes a display panel, a case that has a middle frame disposed around the display panel and a lower frame disposed on the display panel on the opposite side from a display face, a circuit board that has a circuit for performing display control of the display panel, a flexible wiring board at least a part of which is disposed between the lower frame of the case and the circuit board for electrically connecting the display panel with the circuit board, and a connector that is mounted on the circuit board on the opposite side from the flexible wiring board for electrically connecting to the outside, wherein the flexible wiring board has holes, and the circuit board is fixed to the lower frame via the holes of the flexible wiring board.
1. A display device comprising:
a display panel;
a lower frame disposed on the display panel on the opposite side from a display face;
a circuit board disposed on a face of the lower frame on the opposite side from the display panel, the circuit board having a first surface facing to the lower frame and a second surface opposite to the first surface; and
a flexible wiring board connected to the display panel and the circuit board, wherein
the flexible wiring board is turned back from the display panel side to the face of the lower frame on the opposite side from the display panel, at least a part of the flexible wiring board being disposed between the lower frame and the circuit board,
the flexible wiring board has a first part and a second part which overlap with the circuit board, the first part being disposed between the lower frame and the first surface of the circuit board, and the second part being spaced from the first part and being connected to the circuit board, and
the flexible wiring board has holes therein, and the circuit board is fixed to the lower frame via the holes of the flexible wiring board.
2. The display device according to claim 1 , wherein
the lower frame has convex portions protruding toward the circuit board,
the convex portions are inserted into the holes of the flexible wiring board to support the circuit board, and
the circuit board is fixed to the lower frame by the convex portions.
3. The display device according to claim 2 , wherein
a height of at least one of the first convex portion and the second convex portion is greater than a thickness of the flexible wiring board, and
a gap is formed at least one of between the circuit board and the flexible wiring board and between the lower frame and the flexible wiring board.
4. The display device according to claim 3 , wherein
a connector is mounted on the second surface of the circuit board, and
the circuit board is fixed to the lower frame at a position between a mounting position of the connector and an end of the circuit board closest to the connector mounting position.
5. The display device according to claim 3 , wherein
a connector is mounted on the second surface of the circuit board, and
at least the first part of the flexible wiring board is disposed between the connector and the lower frame.
6. The display device according to claim 3 , wherein
a first connector and a second connector are mounted on the second surface of the circuit board on the opposite side from the flexible wiring board,
the first connector has a connecting port, and
the second part of the flexible wiring board and the circuit board are connected to each other by the second connector while avoiding the front of the connecting port of the first connector.
7. The display device according to claim 2 , wherein
a connector is mounted on the second surface of the circuit board, and
the circuit board is fixed to the lower frame at a position between a mounting position of the connector and an end of the circuit board closest to the connector mounting position.
8. The display device according to claim 2 , wherein
a connector is mounted on the second surface of the circuit board, and
at least the first part of the flexible wiring board is disposed between the connector and the lower frame.
9. The display device according to claim 2 , wherein
a first connector and a second connector are mounted on the second surface of the circuit board,
the first connector has a connecting port, and
the second part of the flexible wiring board and the circuit board are connected to each other by the second connector while avoiding the front of the connecting port of the first connector.
10. The display device according to claim 1 , wherein
the lower frame has a first convex portion and a second convex portion protruding toward the circuit board,
the first convex portion and the second convex portion are inserted into the holes of the flexible wiring board to support the circuit board, and
the circuit board is fixed to the lower frame by the first convex portion but not fixed thereto by the second convex portion.
11. The display device according to claim 10 , wherein
a height of the first convex portion and a height of the second convex portion are both greater than a thickness of the flexible wiring board, and
a gap is formed at least one of between the circuit board and the flexible wiring board and between the lower frame and the flexible wiring board.
12. The display device according to claim 11 , wherein
a connector is mounted on the second surface of the circuit board, and
the circuit board is fixed to the lower frame at a position between a mounting position of the connector and an end of the circuit board closest to the connector mounting position.
13. The display device according to claim 11 , wherein
a connector is mounted on the second surface of the circuit board, and
at least the first part of the flexible wiring board is disposed between the connector and the lower frame.
14. The display device according to claim 11 , wherein
a first connector and a second connector are mounted on the second surface of the circuit board,
the first connector has a connecting port, and
the second part of the flexible wiring board and the circuit board are connected to each other by the second connector while avoiding the front of the connecting port of the first connector.
15. The display device according to claim 10 , wherein
a connector is mounted on the second surface of the circuit board on the opposite side from the flexible wiring board, and
the circuit board is fixed to the lower frame at a position between a mounting position of the connector and an end of the circuit board closest to the connector mounting position.
16. The display device according to claim 10 , wherein
a connector is mounted on the second surface of the circuit board, and
at least the first part of the flexible wiring board is disposed between the connector and the lower frame.
17. The display device according to claim 10 , wherein
a first connector and a second connector are mounted on the second surface of the circuit board,
the first connector has a connecting port, and
the second part of the flexible wiring board and the circuit board are connected to each other by the second connector while avoiding the front of the connecting port of the first connector.
18. The display device according to claim 1 , wherein
a connector is mounted on the second surface of the circuit board, and
the circuit board is fixed to the lower frame at a position between a mounting position of the connector and an end of the circuit board closest to the connector mounting position.
19. The display device according to claim 1 , wherein
a connector is mounted on the second surface of the circuit board, and
at least the first part of the flexible wiring board is disposed between the connector and the lower frame.
20. The display device according to claim 19 , wherein
the connector has a connecting port,
the connecting port faces a predetermined direction, and
the predetermined direction is a direction from a mounting position of the connector toward a portion where the flexible wiring board is turned back.
21. The display device according to claim 1 , wherein
a first connector and a second connector are mounted on the second surface of the circuit board,
the first connector has a connecting port,
the second part of the flexible wiring board and the circuit board are connected to each other by the second connector, and
the second part of the flexible wiring board overlaps with the second surface of the circuit board.