Display apparatus with a data driving chip and a gate driving chip disposed on a same side of a display panel
A display apparatus includes a display panel and a display panel driver. The display panel includes a first substrate and a second substrate facing the first substrate, wherein the first substrate includes a switching element, a data line and a gate line, wherein the data line and the gate line are electrically connected to the switching element. The display panel driver includes a data driving chip and a gate driving chip, wherein the data driving chip applies a data signal to the data line and the gate driving chip applies a gate signal to the gate line, wherein the gate driving chip is disposed on a surface of the data driving chip.
1. A display apparatus comprising:
a display panel including a first substrate and a second substrate facing the first substrate, wherein the first substrate includes a switching element, a data line and a gate line, wherein the data line and the gate line are electrically connected to the switching element; and
a display panel driver including a data driving chip and a gate driving chip, wherein the data driving chip and the gate driving chip are both disposed on a same side of the display panel, wherein the data driving chip applies a data signal to the data line and the gate driving chip applies a gate signal to the gate line, wherein the gate driving chip is disposed on a surface of the data driving chip.
2. The display apparatus of claim 1 , wherein the display panel driver further comprises:
a printed circuit board including a driving circuit; and
a flexible substrate including a plurality of bonding pads, wherein the flexible substrate electrically connects the printed circuit board with the display panel,
wherein the data driving chip is disposed on the flexible substrate.
3. The display apparatus of claim 2 , wherein the data driving chip comprises:
a data driving chip body; and
a first pad disposed on a top surface of the data driving chip body,
wherein the display panel driver further includes a first bonding wire electrically connecting the first pad with a first bonding pad of the plurality of bonding pads of the flexible substrate.
4. The display apparatus of claim 3 , wherein the gate driving chip comprises:
a gate driving chip body; and
a second pad disposed on a top surface of the gate driving chip body,
wherein the display panel driver further includes a second bonding wire electrically connecting the second pad with a second bonding pad of the plurality of bonding pads of the flexible substrate.
5. The display apparatus of claim 4 , wherein the data driving chip further comprises a third pad disposed on the top surface of the data driving chip body, wherein the second bonding wire electrically connects the second pad and the third pad with the second bonding pad of the plurality of bonding pads of the flexible substrate.
6. The display apparatus of claim 2 , wherein the data driving chip comprises:
a data driving chip body; and
a third pad disposed on a bottom surface of the data driving chip body,
wherein the display panel driver further includes a first conductive adhesive layer disposed between the data driving chip and the flexible substrate, and
wherein the first conductive adhesive layer electrically connects the third pad with a first bonding pad of the plurality of bonding pads of the flexible substrate.
7. The display apparatus of claim 6 , wherein the gate driving chip comprises
a gate driving chip body; and
a second pad disposed on a top surface of the gate driving chip body,
wherein the display panel driver further includes a second bonding wire electrically connecting the second pad with a second bonding pad of the plurality of bonding pads of the flexible substrate.
8. The display apparatus of claim 7 , wherein the data driving chip further includes a first pad disposed on a top surface of the data driving chip body, and
wherein the second bonding wire electrically connects the first pad and the second pad with the second bonding pad of the plurality of bonding pads of the flexible substrate.
9. The display apparatus of claim 6 , wherein the gate driving chip comprises:
a gate driving chip body; and
a fourth pad disposed on a bottom surface of the gate driving chip body,
wherein the data driving chip further includes a first pad disposed on a top surface of the data driving chip body,
wherein the display panel driver further includes a second conductive adhesive layer disposed between the gate driving chip and the data driving chip, and
wherein the second conductive adhesive layer electrically connects the fourth pad with the first pad.
10. The display apparatus of claim 1 , wherein the data driving chip is disposed on the first substrate, wherein the first substrate includes a plurality of bonding pads, wherein the data driving chip is electrically connected to the first substrate through the plurality of bonding pads.
11. The display apparatus of claim 10 , wherein the data driving chip further comprises:
a data driving chip body; and
a first pad disposed on a top surface of the data driving chip body,
wherein the display panel driver further includes a first bonding wire electrically connecting the first pad with a first bonding pad of the plurality of bonding pads of the first substrate.
12. The display apparatus of claim 11 , wherein the gate driving chip further comprises:
a gate driving chip body; and
a second pad disposed on a top surface of the gate driving chip body,
wherein the display panel driver further includes a second bonding wire electrically connecting the second pad with a second bonding pad of the plurality of bonding pads of the first substrate.
13. The display apparatus of claim 12 , wherein the data driving chip further comprises a third pad disposed on the top surface of the data driving chip body, wherein the second bonding wire electrically connects the second pad and the third pad with the second bonding pad of the plurality of bonding pads of the first substrate.
14. The display apparatus of claim 10 , wherein the data driving chip comprises:
a data driving chip body; and
a third pad disposed on a bottom surface of the data driving chip body,
wherein the display panel driver further includes a first conductive adhesive layer disposed between the data driving chip and the first substrate, and
wherein the first conductive adhesive layer electrically connects the third pad with a first bonding pad of the plurality of bonding pads of the first substrate.
15. The display apparatus of claim 14 , wherein the gate driving chip comprises:
a gate driving chip body; and
a second pad disposed on a top surface of the gate driving chip body,
wherein the display panel driver further includes a second bonding wire electrically connecting the second pad with a second bonding pad of the plurality of bonding pads of the first substrate.
16. The display apparatus of claim 15 , wherein the data driving chip further includes a first pad disposed on a top surface of the data driving chip body, and
wherein the second bonding wire electrically connects the first pad and the second pad with the second bonding pad of the plurality of bonding pads of the first substrate.
17. The display apparatus of claim 14 , wherein the gate driving chip comprises:
a gate driving chip body; and
a fourth pad disposed on a bottom surface of the gate driving chip body,
wherein the data driving chip further includes a first pad disposed on a top surface of the data driving chip body,
wherein the display panel driver further includes a second conductive adhesive layer disposed between the gate driving chip and the data driving chip, and
wherein the second conductive adhesive layer electrically connects the fourth pad with the first pad.
18. The display apparatus of claim 1 , wherein a size of the gate driving chip is substantially the same as a size of the data driving chip in plan view.
19. The display apparatus of claim 1 , wherein a size of the gate driving chip is less than a size of the data driving chip in plan view.
20. The display apparatus of claim 1 , wherein the display panel driver further includes a sealing member covering the data driving chip and the gate driving chip.
21. The display apparatus of claim 1 , wherein the display panel further comprises:
a flexible substrate including a plurality of bonding pads arranged in a row, Wherein odd numbered bonding pads are connected to pads of the gate driving chip and even numbered bonding pads are connected to pads of the data driving chip, wherein the odd numbered bonding pads are connected to a plurality of the gate lines and the even numbered bonding pads are connected to a plurality of the data lines.
22. The display apparatus of claim 1 ,
wherein the display panel driver is connected to a plurality of pads of the display panel by a plurality of bonding wires disposed in a fan shape,
wherein each of the plurality of bonding wires extends diagonally from a side of the display panel driver nearest to the display panel,
wherein the plurality of bonding wires further includes odd numbered bonding wires connected to pads of the gate driving chip and even numbered bonding wires connected to pads of the data driving chip, and
wherein the plurality of pads are disposed in a straight line parallel to a first gate line.