Backlight module and display device
A backlight module and a display apparatus are disclosed. The backlight module includes a circuit board, a driving chip on the circuit board, and a plurality of light-emitting areas corresponding to the driving chip. The driving chip includes a first pin and a third pin located on a first side of the driving chip, and a second pin and a fourth pin located on a second side of the driving chip, the first pin and the second pin are electrically connected inside the driving chip, and the third pin and the fourth pin are electrically connected inside the driving chip; the first side and the second side are opposite sides. The driving chip further includes a plurality of control terminals on a third side of the driving chip, the plurality of control terminals are correspondingly connected with the plurality of light-emitting areas.
1 . A display apparatus, comprising:
a lamp board, comprising a plurality of light-emitting units, wherein the plurality of light-emitting units on the lamp board are divided into a plurality of light-emitting areas;
a plurality of driving units disposed on the lamp board, wherein a first end of one of the plurality of the driving units is electrically connected with some of the light-emitting units in the same light-emitting area; and
an adapter plate, comprising a plurality of control signal lines, wherein one of the plurality of the control signal lines is electrically connected with a second end of the one of the plurality of the driving units;
wherein a first connecting terminal is disposed on the adapter plate, and a second connecting terminal is disposed on the lamp board;
the first connecting terminal is electrically connected with the second end of the one of the plurality of driving units, the second connecting terminal is electrically connected with one of the plurality of control signal lines, and the first connecting terminal is electrically connected with the second connecting terminal.
2 . The display apparatus according to claim 1 , wherein the display apparatus comprises a plurality of adapter plates, and short sides of adjacent adapter plates are disposed opposite to each other.
3 . The display apparatus according to claim 1 , wherein the display apparatus comprises a plurality of lamp boards arranged along a long-side direction of the adapter plate.
4 . The display apparatus according to claim 3 , wherein the second connecting terminal is disposed on a side of one of the lamp boards close to the adapter plate.
5 . The display apparatus according to claim 1 , wherein a plurality of first connecting terminals are disposed on two long sides of the adapter plate.
6 . The display apparatus according to claim 5 , wherein along a long-side direction of the adapter plate, distances between adjacent first connecting terminals are equal.
7 . The display apparatus according to claim 5 , wherein a distance between adjacent first connecting terminals is not less than a width of the lamp board.
8 . The display apparatus according to claim 3 , wherein the plurality of lamp boards are disposed in areas facing long sides of the adapter plate.
9 . The display apparatus according to claim 1 , further comprising:
a first circuit board, wherein the first circuit board comprises a third connecting terminal, a first controller is disposed on the first circuit board, the first controller is electrically connected with the control signal line through the third connecting terminal, and the first controller is further electrically connected with a main board.
10 . The display apparatus according to claim 1 , further comprising:
a first circuit board, wherein the first circuit board comprises a third connecting terminal, a first controller is disposed on the first circuit board, the first controller is electrically connected with the control signal line through the third connecting terminal, and the first controller is further electrically connected with a timing controller.
11 . The display apparatus according to claim 9 , wherein the first circuit board is a control board.
12 . The display apparatus according to claim 9 , wherein a power supply module is further disposed on the first circuit board, and the power supply module is configured to provide power for the first controller.
13 . The display apparatus according to claim 12 , wherein the first circuit board is a power board.
14 . The display apparatus according to claim 1 , further comprising:
a second circuit board, wherein the second circuit board comprises a fourth connecting terminal, a timing controller is disposed on the second circuit board, the timing controller is electrically connected with a control signal line through the fourth connecting terminal, and the timing controller is further electrically connected with a main board.
15 . The display apparatus according to claim 14 , wherein the second circuit board is a timing control board.
16 . The display apparatus according to claim 14 , wherein a second controller is disposed on the second circuit board, the second controller is electrically connected with the timing controller, and the timing controller is configured to transmit a timing control signal to the second controller.
17 . The display apparatus according to claim 14 , wherein the second circuit board is a control board.
18 . The display apparatus according to claim 1 , wherein the lamp board is a lamp bar.
19 . A display apparatus, comprising:
a lamp board, comprising a plurality of light-emitting units, wherein the plurality of light-emitting units on the lamp board are divided into a plurality of light-emitting areas;
a plurality of driving units disposed on the lamp board, wherein a first end of one of the plurality of the driving units is electrically connected with some of the light-emitting units in the same light-emitting area; and
an adapter plate, comprising a plurality of control signal lines, wherein one of the plurality of the control signal lines is electrically connected with a second end of the one of the plurality of the driving units;
wherein a power signal line configured to transmit a power signal is further disposed on the adapter plate.
20 . The display apparatus according to claim 19 ,
wherein a first connecting terminal is disposed on the adapter plate, and a second connecting terminal is disposed on the lamp board;
the first connecting terminal is electrically connected with the second end of the one of the plurality of driving units, the second connecting terminal is electrically connected with one of the plurality of control signal lines, and the first connecting terminal is electrically connected with the second connecting terminal.
21 . The display apparatus according to claim 19 , wherein the display apparatus comprises a plurality of adapter plates, and short sides of adjacent adapter plates are disposed opposite to each other.
22 . The display apparatus according to claim 20 , wherein the display apparatus comprises a plurality of lamp boards arranged along a long-side direction of the adapter plate.
23 . The display apparatus according to claim 22 , wherein the second connecting terminal is disposed on a side of one of the lamp boards close to the adapter plate.
24 . The display apparatus according to claim 20 , wherein a plurality of first connecting terminals are disposed on two long sides of the adapter plate.
25 . The display apparatus according to claim 24 , wherein along a long-side direction of the adapter plate, distances between adjacent first connecting terminals are equal.
26 . The display apparatus according to claim 24 , wherein a distance between adjacent first connecting terminals is not less than a width of the lamp board.
27 . The display apparatus according to claim 22 , wherein the plurality of lamp boards are disposed in areas facing long sides of the adapter plate.
28 . The display apparatus according to claim 20 , further comprising:
a first circuit board, wherein the first circuit board comprises a third connecting terminal, a first controller is disposed on the first circuit board, the first controller is electrically connected with the control signal line through the third connecting terminal, and the first controller is further electrically connected with a main board.
29 . The display apparatus according to claim 20 , further comprising:
a first circuit board, wherein the first circuit board comprises a third connecting terminal, a first controller is disposed on the first circuit board, the first controller is electrically connected with the control signal line through the third connecting terminal, and the first controller is further electrically connected with a timing controller.
30 . The display apparatus according to claim 28 , wherein the first circuit board is a control board.
31 . The display apparatus according to claim 28 , wherein a power supply module is further disposed on the first circuit board, and the power supply module is configured to provide power for the first controller.
32 . The display apparatus according to claim 31 , wherein the first circuit board is a power board.
33 . The display apparatus according to claim 20 , further comprising:
a second circuit board, wherein the second circuit board comprises a fourth connecting terminal, a timing controller is disposed on the second circuit board, the timing controller is electrically connected with a control signal line through the fourth connecting terminal, and the timing controller is further electrically connected with a main board.
34 . The display apparatus according to claim 33 , wherein the second circuit board is a timing control board.
35 . The display apparatus according to claim 33 , wherein a second controller is disposed on the second circuit board, the second controller is electrically connected with the timing controller, and the timing controller is configured to transmit a timing control signal to the second controller.
36 . The display apparatus according to claim 33 , wherein the second circuit board is a control board.
37 . The display apparatus according to claim 19 , wherein the lamp board is a lamp bar.