Display device
View Patent ↗The present application discloses a display device, the display device includes: a display panel and a printed circuit board. A first bonding region is disposed on the display panel. The first bonding region includes a first bonding terminal. A second bonding region is disposed on the printed circuit board. The second bonding region includes a second bonding terminal. The first bonding terminal is connected to and contacts the second bonding terminal. The display device provided by the present application can reduce a width of a frame of the display device and improve a screen ratio of the display device.
1. A display device, comprising:
a display panel, wherein a first bonding region, disposed on the display panel, comprises a first bonding terminal; and
a printed circuit board, wherein a second bonding region, disposed on the printed circuit board, comprises a second bonding terminal connected to and contacting the first bonding terminal;
wherein in the first bonding region, the display panel comprises a flexible substrate and a driving functional layer thereon; the driving functional layer that is configured to receive and process a control signal and driving functional comprises a thin film transistor and a fanout wiring electrically connected between the thin film transistor and the first bonding terminal.
2. The display device according to claim 1 , wherein the display panel comprises a non-display region in which the first bonding region is disposed; the first bonding region further comprises a driver module that is electrically connected to the first bonding terminal, and is configured to receive and process a control signal.
3. The display device according to claim 2 , wherein the driver module comprises a driver chip and a fanout wiring coupled between the driver chip and the first bonding terminal.
4. The display device according to claim 2 , wherein the driver module comprises a first driver chip, a second driver chip, and a first fanout wiring and second fanout wiring; the first fanout wiring is electrically connected between the first driver chip and the first bonding terminal; the second fanout wiring is electrically connected between the second driver chip and the first driver chip.
5. The display device according to claim 1 , wherein the driving functional layer comprises a metal layer and an oxide layer disposed on a side of the metal layer away from the flexible substrate; a plurality of the fanout wirings are disposed on the oxide layer at intervals, orthographic projections of at least some of the fanout wirings on the flexible comprise an overlap, and some of the fanout wirings on the overlap are disposed on the metal layer.
6. The display device according to claim 1 , wherein the display panel comprises a display region and a non-display region disposed adjacently, the first bonding region is disposed in the display region, and/or, and the first bonding region is disposed on the non-display region.
7. The display device according to claim 1 , wherein the first bonding region comprises a plurality of first bonding terminals, and a pitch between adjacent two of the first bonding terminals is greater than or equal to 250 microns.
8. The display device according to claim 1 , wherein the driving functional layer is further configured to generate and process a timing signal and data signal according to the control signal.
9. The display device according to claim 8 , wherein the display device further comprises zero insertion force connector disposed on the flexible substrate, and the display panel is electrically connected to the printed circuit board through the zero insertion force connector.
10. The display device according to claim 9 , wherein the display device further comprises reinforcement patch disposed on the flexible substrate away from the zero insertion force connector, and disposed on the flexible substrate near the printed circuit board.
11. A display device, comprising:
a display panel, wherein a first bonding region disposed on the display panel comprises a plurality of first bonding terminals, and a pitch between adjacent two of the first bonding terminals is greater than 120 microns; and
a printed circuit board, wherein a second bonding region disposed on the printed circuit board comprises a plurality of second bonding terminals connected to and contacting the first bonding terminal;
wherein in the first bonding region, the display panel comprises a flexible substrate and a driving functional layer thereon; the driving functional layer that is configured to receive and process a control signal and driving functional comprises a thin film transistor and a fanout wiring electrically connected between the thin film transistor and the first bonding terminal.
12. The display device according to claim 11 , wherein the display panel comprises a non-display region in which the first bonding region is disposed; the first bonding region further comprises a driver module that is electrically connected to the first bonding terminal, and is configured to receive and process a control signal.
13. The display device according to claim 12 , wherein the driver module comprises a driver chip and a fanout wiring coupled between the driver chip and the first bonding terminal.
14. The display device according to claim 12 , wherein the driver module comprises a first driver chip, a second driver chip, and a first fanout wiring and second fanout wiring; the first fanout wiring is electrically connected between the first driver chip and the first bonding terminal; the second fanout wiring is electrically connected between the second driver chip and the first driver chip.
15. The display device according to claim 11 , wherein the driving functional layer comprises a metal layer and an oxide layer disposed on a side of the metal layer away from the flexible substrate; a plurality of the fanout wirings are disposed on the oxide layer at intervals, orthographic projections of at least some of the fanout wirings on the flexible comprise an overlap, and some of the fanout wirings on the overlap are disposed on the metal layer.
16. The display device according to claim 11 , wherein the display panel comprises a display region and a non-display region disposed adjacently, the first bonding region is disposed in the display region, and/or, and the first bonding region is disposed on the non-display region.
17. The display device according to claim 11 , wherein the first bonding region comprises a plurality of first bonding terminals, and a pitch between adjacent two of the first bonding terminals is greater than or equal to 250 microns.
18. The display device according to claim 11 , wherein the driving functional layer is further configured to generate and process a timing signal and data signal according to the control signal.