Panel device and manufacturing method thereof
View Patent ↗The present invention provides a display device and a manufacturing method thereof. The display device includes a display panel, a driving chip and a flexible circuit board. The driving chip is electrically connected to the flexible circuit board and the display panel. The display panel includes a display area and a connecting area disposed on one side of the display area. The driving chip and the flexible circuit board are disposed in the connecting area, and the driving chip and the flexible circuit board at least partially overlap. By setting the driving chip and the flexible circuit boards are at least partially overlapped, which can reduce width of frame of the display device, increase screen ratio of the display device, and realize narrow frame display.
1. A display device, comprising: a display panel, a driving chip, and a flexible circuit board, wherein the driving chip is electrically connected to the flexible circuit board and the display panel, and
the display panel comprises a display area and a connecting area disposed on a side of the display area, both the driving chip and the flexible circuit board are disposed in the connecting area, and the driving chip at least partially overlaps the flexible circuit board;
wherein a plurality of first pins are disposed at intervals in the connecting area;
a plurality of second pins are disposed at intervals on a side surface of the flexible circuit board away from the display panel;
a plurality of output pins are disposed on the driving chip corresponding to the first pins respectively, and a plurality of input pins are disposed on the driving chip corresponding to the second pins respectively; and
the driving chip partially overlaps the flexible circuit board, each of the output pins is bound to one of the first pins, and each of the input pins is bound to one of the second pins.
2. The display device as claimed in claim 1 , wherein a plurality of first pins are disposed at intervals in the connecting area;
a plurality of second pins are disposed at intervals on a side surface of the flexible circuit board away from the display panel, a plurality of connection vias are further formed on the flexible circuit board, the connection vias correspond to the first pins respectively, each of the connection vias passes through the flexible circuit board and correspondingly exposes one of the first pins, each of the connection vias is disposed within a connection pin, and an end of the connection pin is bound to the first pin corresponding to the connection vias;
a plurality of output pins are disposed on the driving chip corresponding to the first pins respectively, and a plurality of input pins are disposed on the driving chip corresponding to the second pins respectively; and
the driving chip completely overlaps the flexible circuit board, each output pins is correspondingly bound to the other end of the connection pin, and each input pins is bound to one of the second pins.
3. The display device as claimed in claim 1 , wherein the connecting area is disposed on a lower side of the display area.
4. The display device as claimed in claim 1 , wherein the driving chip is a driving chip with an in cell touch function.
5. A manufacturing method of a display device, comprising the following steps:
step S 1 . providing a display panel, wherein the display panel comprises a display area and a connecting area disposed on a side of the display area;
step S 2 . providing a flexible circuit board and disposing the flexible circuit board in the connecting area; and
step S 3 . providing a driving chip and disposing the driving chip in the connecting area, wherein the driving chip is electrically connected to the flexible circuit board and the display panel, and the driving chip at least partially overlaps the flexible circuit board;
wherein the step S 1 further comprises: forming a plurality of first pins disposed at intervals in the connecting area;
the step S 2 further comprises: forming a plurality of second pins disposed at intervals on a side surface of the flexible circuit board away from the display panel; and
the step S 3 further comprises: disposing the driving chip with a plurality of output pins corresponding to the first pins respectively, and a plurality of input pins corresponding to the second pins respectively; and
disposing the driving chip partially overlapping the flexible circuit board, each of the output pins is bound to one of the first pins, and each of the input pins is bound to one of the second pins.
6. The manufacturing method of the display device as claimed in claim 5 , wherein the step S 1 further comprises: forming a plurality of first pins disposed at intervals in the connecting area:
the step S 2 further comprises:
forming a plurality of second pins disposed at intervals on a side surface of the flexible circuit board away from the display panel;
forming a plurality of connection vias on the flexible circuit board, wherein the connection vias correspond to the first pins respectively, each of the connection vias passes through the flexible circuit board and correspondingly exposes one of the first pins;
each of the connection vias is disposed within a connection pin, and an end of the connection pin is bound to the first pin corresponding to the connection vias;
the driving chip provided by the step 3 is disposed with a plurality of output pins corresponding to the first pins respectively, and a plurality of input pins corresponding to the second pins respectively; and
the step S 3 further comprises: disposing the driving chip partially overlapping the flexible circuit board, each output pins is bound to the other end of the connection pin, and each input pins is bound to one of the second pins.
7. The manufacturing method of the display device as claimed in claim 5 , wherein the connecting area is disposed on a lower side of the display area.
8. The manufacturing method of the display device as claimed in claim 5 , wherein the driving chip is a driving chip with an in cell touch function.