CN-119133185-B - Display panel and display device

Abstract

The application discloses a display panel and a display device. The display panel comprises a display area, a first central line, wherein the width of the display panel in the first direction is D, the first central line extends along the second direction, the distance between the first central line and the first edge of the display panel in the first direction is D1, d1=D/4, at least one grid driving circuit is arranged on two sides of the first central line in the first direction respectively, the first direction and the second direction are intersected, and the grid driving circuit is located in the display area. According to the embodiment of the application, the frame-free structure can be realized, and the display uniformity can be improved.

Inventors

• JIA ZHENYU
• CHEN WANG
• XI KERUI
• WU TIANYI
• ZHAI YINGTENG
• XU MINGYAN
• HUANG JIALI

Assignees

• 天马新型显示技术研究院(厦门)有限公司

Dates

Publication Date

20260508

Application Date

20240826

Claims (20)

1. 1. A display panel, comprising a display area; The display device comprises a first central line, a second central line, a first display panel and a second display panel, wherein the width of the display panel in the first direction is D, the first central line extends along the second direction, the distance between the first central line and the first edge of the display panel in the first direction is D1, d1=D/4, and at least one grid driving circuit is arranged on two sides of the first central line in the first direction; the grid driving circuit is positioned in the display area; The grid driving circuit comprises a first type of grid driving circuit and other types of grid driving circuits, wherein grid signals output by the first type of grid driving circuit are used for controlling data signals to be written into the pixel circuit, and the other types of grid driving circuits are used for controlling functional modules in the pixel circuit; In the first direction, the distance between the first type of gate driving circuit and the first center line is smaller than the distance between the other types of gate driving circuits and the first center line.
2. 2. The display panel according to claim 1, wherein a distance between a second center line of the display panel and a first edge of the display panel in the first direction is D2, d2=d/2, and at least one gate driving circuit is disposed between the first center line and the second center line.
3. 3. The display panel according to claim 1, wherein the display panel includes N pixel circuit columns arranged in the first direction, the pixel circuit columns including a plurality of pixel circuits arranged in a second direction; at least one gate driving circuit is arranged on each of two sides of the N/4 th pixel circuit column in the first direction, wherein N/4 is an integer part.
4. 4. A display panel according to claim 3, characterized in that in the first direction at least one gate drive circuit is comprised between the N/4 th and N/2 th columns of pixel circuits, where N/2 is an integer fraction.
5. 5. The display panel according to claim 1, wherein the display panel includes a partition region, the first center line is located in the partition region, at least one gate driving circuit is disposed on each of two sides of the partition region in the first direction, and a width of the partition region in the first direction is less than or equal to 625 μm.
6. 6. The display panel according to claim 5, wherein the display panel includes N pixel circuit columns arranged in the first direction, the pixel circuit columns including a plurality of pixel circuits arranged in a second direction; the N/4 th pixel circuit column is positioned in the separation area.
7. 7. The display panel of claim 2, wherein the pixel circuits of the display panel include an amplitude modulation sub-circuit and a pulse width modulation sub-circuit, the first type of gate driving circuit includes a first gate driving circuit and a second gate driving circuit, the gate signal output by the first gate driving circuit is used for controlling a first data signal to be written into the amplitude modulation sub-circuit, and the gate signal output by the second gate driving circuit is used for controlling a second data signal to be written into the pulse width modulation sub-circuit.
8. 8. The display panel of claim 7, wherein the display panel comprises, In the first direction, the first gate driving circuit is located at one side of the first neutral line close to the second neutral line, and the second gate driving circuit is located at one side of the first neutral line far from the second neutral line; or in the first direction, the first gate driving circuit is located at one side of the first neutral line far away from the second neutral line, and the second gate driving circuit is located at one side of the first neutral line close to the second neutral line.
9. 9. The display panel of claim 8, wherein the display panel comprises, In the first direction, a distance between the first gate driving circuit and the first center line is d3, and a distance between the second gate driving circuit and the first center line is d4, where d3=d4.
10. 10. The display panel of claim 8, wherein in the first direction, the first gate driving circuit is spaced from the first center line by a distance d3, and the second gate driving circuit is spaced from the first center line by a distance d4, d3+.d4.
11. 11. The display panel of claim 10, wherein d3< d4.
12. 12. The display panel of claim 8, wherein in the first direction, the input of the first gate driving circuit is closer to the first center line and the input of the second gate driving circuit is closer to the first center line.
13. 13. The display panel according to claim 8, wherein a plurality of first signal lines are connected to the first gate driving circuit, the number of the first signal lines distributed on a side of the first gate driving circuit close to the first center line is n1, the number of the first signal lines distributed on a side of the first gate driving circuit far from the first center line is n2, n1< n2; The second gate driving circuit is connected with a plurality of second signal lines, in the first direction, the number of the second signal lines distributed on one side of the second gate driving circuit, which is close to the first central line, is n3, and the number of the second signal lines distributed on one side of the second gate driving circuit, which is far away from the first central line, is n4, wherein n3 is less than n4.
14. 14. The display panel according to claim 1, wherein the other types of gate driving circuits include a second type of gate driving circuit for controlling the writing of a reset signal into the pixel circuit and a third type of gate driving circuit for outputting a sweep signal and/or a light emission control signal; the third type of gate driving circuit is spaced between the first type of gate driving circuit and the second type of gate driving circuit in the first direction.
15. 15. The display panel according to claim 14, wherein the pixel circuit includes an amplitude modulation sub-circuit and a pulse width modulation sub-circuit, the second type of gate driving circuit includes a third gate driving circuit and a fourth gate driving circuit, a gate signal output from the third gate driving circuit is used for controlling a reset signal to be written into the amplitude modulation sub-circuit, and a gate signal output from the fourth gate driving circuit is used for controlling a reset signal to be written into the pulse width modulation sub-circuit; In the first direction, the third gate driving circuit and the fourth gate driving circuit are respectively located at two sides of the first center line.
16. 16. The display panel according to claim 15, wherein the third type of gate driving circuit includes a fifth gate driving circuit for outputting a first light emission control signal, a sixth gate driving circuit for outputting a second light emission control signal, and a seventh gate driving circuit for outputting a sweep signal, the fifth gate driving circuit being electrically connected to the amplitude modulation sub-circuit, the sixth gate driving circuit and the seventh gate driving circuit being electrically connected to the pulse width modulation sub-circuit; In the first direction, the fifth gate driving circuit and the sixth gate driving circuit are adjacent.
17. 17. The display panel of claim 16, wherein in the first direction, the fifth gate driving circuit and the sixth gate driving circuit are located on one side of the first center line, and the seventh gate driving circuit is located on the other side of the first center line.
18. 18. The display panel of claim 1, wherein the pixel circuit comprises an amplitude modulation sub-circuit and a pulse width modulation sub-circuit, the display panel comprising two sub-display regions arranged in a first direction, the sub-display regions comprising the first centerline; The same sub display area comprises n target gate driving circuits which output the same gate signals, and the n target gate driving circuits in the sub display area are uniformly distributed in the first direction, wherein n is more than or equal to 2.
19. 19. The display panel of claim 18, wherein each of the n target gate driving circuits is configured to output a sweep signal; or the n target gate driving circuits are all used for outputting a first light emitting control signal for controlling the amplitude modulation subcircuit.
20. 20. The display panel of claim 18, wherein the display panel comprises, The n target gate driving circuits comprise n first gate driving circuits, and gate signals output by the n first gate driving circuits are used for controlling first data signals to be written into the amplitude modulation subcircuit; and/or the n target gate driving circuits comprise n second gate driving circuits, and gate signals output by the n second gate driving circuits are used for controlling second data signals to be written into the pulse width modulation sub-circuits.

Description

Display panel and display device Technical Field The application relates to the technical field of display, in particular to a display panel and a display device. Background With the development of display technology, the application of display panels is becoming more common, and the requirements of users on the display panels are also increasing. Display panels are gradually evolving towards lighter and thinner, higher screen ratios, and even borderless. How to achieve borderless is an important issue facing the person skilled in the art. Disclosure of Invention The embodiment of the application provides a display panel and a display device, which can realize frame-free and improve display uniformity. In a first aspect, an embodiment of the present application provides a display panel, including a display area, where a width of the display panel in a first direction is D, the first center line extends along a second direction, a distance between the first center line and a first edge of the display panel in the first direction is D1, d1=d/4, at least one gate driving circuit is disposed on two sides of the first center line in the first direction, the first direction and the second direction intersect, and the gate driving circuit is located in the display area. In a second aspect, an embodiment of the present application provides a display device, including a display panel according to any one of the embodiments of the first aspect. The display panel and the display device provided by the embodiment of the application break through the conventional design thinking, the grid driving circuits are not limited to the edge display area any more, but are scattered on the two sides of the first central line, so that even if the number of the grid driving circuits is large, enough display areas are reserved, and no frame is realized. Drawings Other features, objects and advantages of the present application will become more apparent upon reading the following detailed description of non-limiting embodiments, taken in conjunction with the accompanying drawings, in which like reference characters designate the same or similar features, and in which the figures are not to scale. Fig. 1 shows a schematic structural diagram of a display panel according to an embodiment of the present application; Fig. 2 is a schematic diagram showing another structure of a display panel according to an embodiment of the present application; fig. 3 is a schematic structural diagram of a display panel according to an embodiment of the present application; Fig. 4 is a schematic structural diagram of a display panel according to an embodiment of the present application; fig. 5 is a schematic structural diagram of a pixel circuit in a display panel according to an embodiment of the present application; Fig. 6 is a schematic diagram showing another structure of a pixel circuit in a display panel according to an embodiment of the present application; Fig. 7 is a schematic diagram showing a pixel circuit in a display panel according to an embodiment of the present application; fig. 8 is a schematic structural diagram of a display panel according to an embodiment of the present application; FIG. 9 shows a schematic structural view of the region Q1 of FIG. 8; fig. 10 is a schematic view illustrating another structure of a display panel according to an embodiment of the present application; fig. 11 is a schematic structural view of a display panel according to an embodiment of the present application; fig. 12 is a schematic view showing another structure of a display panel according to an embodiment of the present application; Fig. 13 is a schematic structural view of a display panel according to an embodiment of the present application; Fig. 14 is a schematic view showing another structure of a display panel according to an embodiment of the present application; Fig. 15 shows a schematic structural diagram of a display panel according to an embodiment of the present application; fig. 16 is a schematic view showing another structure of a display panel according to an embodiment of the present application; fig. 17 is a schematic view showing another structure of a display panel according to an embodiment of the present application; fig. 18 is a schematic structural diagram of a display device according to an embodiment of the present application. Part of the reference numerals illustrate: 100. a display panel; AA. A1, a first sub-display area, A2, a second sub-display area; L1, a first midline, L2, a second midline; C1, a first edge; 10. Gate driving circuits, 10a, a first type gate driving circuit, 10b, a second type gate driving circuit, 10c, a third type gate driving circuit, 10d, and other types of gate driving circuits; 11. First gate driving circuit, 12, second gate driving circuit, 13, third gate driving circuit, 14, fourth gate driving circuit, 15, fifth gate driving circuit, 16, sixth gate driving circuit, 17, seventh gate driving circui