CN-119153474-B - Display panel and display device

Abstract

The display area is provided with a plurality of pixels electrically connected with a pixel circuit, the pixels comprise a plurality of first signal ends arranged along a first direction and first signal lines respectively connected with the first signal ends, the first signal ends are configured to provide first power voltage signals for the pixel circuit through the first signal ends, the first signal lines extend along a second direction, the first direction and the second direction intersect and are parallel to a light emitting surface of the display panel, the first signal ends comprise a first group of signal ends and a second group of signal ends, the number of the first signal ends contained in the second group of signal ends is larger than that of the first signal ends contained in the first group of signal ends, and the first group of signal ends are located between the second group of signal ends and the edge of the display panel along the first direction. Therefore, the voltage drop of the first power supply voltage signal in the transmission process is reduced, and the display uniformity is improved.

Inventors

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

Assignees

• 天马新型显示技术研究院(厦门)有限公司

Dates

Publication Date

20260505

Application Date

20240823

Claims (20)

1. 1. A display panel, comprising: the display area is provided with a plurality of pixels, and the pixels are electrically connected with the pixel circuit; A plurality of first signal terminals arranged along a first direction and first signal lines connected to the first signal terminals, respectively, the first signal terminals being configured to supply a first power voltage signal to the pixel circuits through the first signal terminals; the first signal terminals comprise a first group of signal terminals and a second group of signal terminals, and the number of the first signal terminals contained in the second group of signal terminals is larger than that of the first signal terminals contained in the first group of signal terminals; The display area includes a plurality of sub-display areas and a plurality of pixel circuit columns arranged along the first direction; the sub display area and the pixel circuit columns are not included between the first signal lines connected with at least two different first signal terminals in the second group of signal terminals; The pixel circuit columns in the sub-display area between the first signal lines connected to the adjacent first and second sets of signal terminals are commonly supplied with the first power supply voltage signal by the first signal line connected to one of the first signal terminals and the first signal line connected to one of the second signal terminals, respectively; The pixel circuit columns of the sub-display area between the first signal lines connected with two adjacent second groups of signal terminals are respectively provided with the first power voltage signal by the first signal line connected with one first signal terminal in one second group of signal terminals and the first signal line connected with one first signal terminal in the other second group of signal terminals.
2. 2. The display panel of claim 1, wherein the number of signal terminals of the second set is greater than the number of signal terminals of the first set.
3. 3. The display panel of claim 1, wherein the first set of signal terminals comprises one of the first signal terminals and the second set of signal terminals comprises two of the first signal terminals.
4. 4. The display panel of claim 2, wherein a distance between the first signal lines corresponding to the second set of signal terminals is smaller than a distance between the first signal lines corresponding to the first set of signal terminals and the first signal lines corresponding to the second set of signal terminals in the first direction.
5. 5. The display panel of claim 1, wherein a minimum distance between a first signal line corresponding to the first set of signal terminals and a first signal line corresponding to the second set of signal terminals along the first direction is S1, and a width of the display panel along the first direction is S0, S1/S0 is less than or equal to 1/2.
6. 6. The display panel of claim 5, wherein S1/S0 is less than or equal to 1/10.
7. 7. The display panel according to claim 5, comprising at least two sets of the second set of signal terminals, wherein a minimum distance between the first signal lines corresponding to two adjacent sets of the second set of signal terminals along the first direction is S2, s2=s1.
8. 8. The display panel of claim 1, wherein the first signal line connected to the first set of signal terminals is located between a first edge of the display panel and the first signal line connected to the second set of signal terminals, and the pixel circuit is not included between the first signal line and the first edge, the first edge extending in the second direction.
9. 9. The display panel according to claim 1, wherein the display panel includes N1 pixel circuit columns arranged in the first direction, and a minimum number of the pixel circuit columns included between the first signal lines connected to the first group of signal terminals and the first signal lines connected to the second group of signal terminals is N2, N2/N1 is 1/2 or less.
10. 10. The display panel of claim 9, wherein N2/N1 is less than or equal to 1/10.
11. 11. The display panel of claim 1, wherein the display panel comprises a plurality of columns of pixel circuits arranged along the first direction, the display panel comprising at least two sets of the second set of signal terminals; And in the first direction, the minimum number of pixel circuit columns included between the first signal lines connected with the first signal terminals and the first signal lines connected with the second signal terminals in the adjacent first group signal terminals and the second group signal terminals is n1, and the number of pixel circuit columns included between the first signal lines connected with the two second group signal terminals in the adjacent second group signal terminals is n2, wherein n1 = n2.
12. 12. The display panel according to claim 11, wherein the pixel circuit is included between the first signal lines to which at least two of the first signal terminals are connected in the second group of signal terminals.
13. 13. The display panel according to claim 1, wherein the second group of signal terminals includes two of the first signal terminals, and a distance between the first signal terminals connected to the two of the first signal terminals in the second group of signal terminals in the first direction is less than 625 μm.
14. 14. The display panel of claim 1, wherein the number of signal terminals in the second group is Q, Q is greater than or equal to 3, and Q is an odd number.
15. 15. The display panel of claim 14, wherein Q = 9.
16. 16. The display panel of claim 1, wherein the display area includes N sub-display areas having an equal width aligned in the first direction, and the second set of signal terminals is located between the nth sub-display area and the n+1th sub-display area, wherein 1N 1.
17. 17. The display panel of claim 16, wherein N = 10.
18. 18. The display panel of claim 17, wherein the display panel includes two of the first set of signal terminals, the first set of signal terminals being located between an edge of the display panel and the second set of signal terminals.
19. 19. The display panel of claim 16, wherein the first set of signal terminals comprises one of the first signal terminals and the second set of signal terminals comprises two of the first signal terminals.
20. 20. The display panel of claim 19, wherein the pixel circuit is not included between the first signal lines corresponding to the two first signal terminals in the second set of signal terminals.

Description

Display panel and display device Technical Field The disclosure relates to the field of display technologies, and in particular, to a display panel and a display device. Background With the continuous development of science and technology, more and more display products, such as mobile phones, tablet computers, notebook computers, intelligent wearing equipment and the like, are widely applied to daily life and work of people, bring great convenience to daily life and work of people, and become an indispensable important tool for people at present. At present, how to improve the uniformity of the display brightness and the display effect of the display product becomes one of the technical problems to be solved. Disclosure of Invention In order to solve the above technical problems, the present disclosure provides a display panel and a display device, which are used for improving uniformity of display brightness and improving display effect. In a first aspect, the present disclosure provides a display panel, comprising: the display area is provided with a plurality of pixels, and the pixels are electrically connected with the pixel circuit; A plurality of first signal terminals arranged along a first direction and first signal lines connected to the first signal terminals, respectively, the first signal terminals being configured to supply a first power voltage signal to the pixel circuits through the first signal terminals; The first signal terminals comprise a first group of signal terminals and a second group of signal terminals, the number of the first signal terminals contained in the second group of signal terminals is larger than that of the first signal terminals contained in the first group of signal terminals, and the first group of signal terminals are located between the second group of signal terminals and the edge of the display panel along the first direction. In a second aspect, the present disclosure provides a display device including the display panel provided in the first aspect of the present disclosure, based on the same inventive concept. Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages: In the disclosure, a first group of signal terminals and a second group of signal terminals are introduced into a display panel, the first group of signal terminals and the second group of signal terminals are both used for providing first power supply voltage signals for pixel circuits, wherein the number of the first signal terminals contained in the second group of signal terminals is larger than that of the first signal terminals contained in the first group of signal terminals, each first signal terminal is respectively and electrically connected with different first signal wires, the first power supply voltage signals are provided for the pixel circuits of different display areas in the display panel through the first signal wires, so that the first power supply voltage signals are equivalent to that the first signal wires connected with the first signal terminals are all introduced into the area near the center line of the display panel extending along the second direction and the area near the edge of the display panel extending along the second direction, and when the first power supply voltage signals are provided for the pixel circuits of the display area, each first signal terminal in the first group of signal terminals and each first signal terminal in the second group of signal terminals transmits the first power supply voltage signals to the corresponding first signal wires. In addition, the first group of signal ends close to the edge are provided with the first signal ends with fewer numbers, the second group of signal ends far away from the edge are provided with the first signal ends with more numbers, and the first signal ends can be distributed uniformly along the first direction as much as possible and transmit first power supply voltage signals to the corresponding first signal lines, so that display brightness difference between a display area around the first signal ends and other display areas is reduced, and the overall display brightness uniformity of the display panel is improved. Drawings The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure. In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort. Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the disclosure; Fig. 2 is a sch