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EP-4739047-A1 - DISPLAY PANEL AND DISPLAY APPARATUS

EP4739047A1EP 4739047 A1EP4739047 A1EP 4739047A1EP-4739047-A1

Abstract

Provided are a display panel (100) and a display apparatus (1000). The display panel (100) comprises a substrate (00) and a first metal layer (M1) located on one side of the substrate (00), the first metal layer (M1) comprises a first metal portion (M11) and a second metal portion (M12) which are connected to each other, the first metal portion (M11) comprises a plurality of first exhaust holes (10), the second metal portion (M12) comprises a plurality of second exhaust holes (20), and an arrangement mode of the plurality of first exhaust holes (10) is different from an arrangement mode of the plurality of second exhaust holes (20). In the display panel (100) and the display apparatus (1000), a voltage drop of a signal transmitted by the first metal layer (M1) can be reduced, the display uniformity can be improved, the risk that film layer delamination of a large area metal can be reduced, and the product performance reliability can be improved.

Inventors

  • JIA, ZHENYU
  • YANG, BO
  • MENG, Fanqing
  • XI, KERUI
  • WU, Tianyi
  • ZHAI, YINGTENG
  • ZHANG, LIWEI
  • LI, WENLIANG
  • HUANG, Jiali

Assignees

  • Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd.

Dates

Publication Date
20260506
Application Date
20251031

Claims (20)

  1. A display panel (100), comprising a substrate (00) and a first metal layer (M1) located on one side of the substrate (00), wherein the first metal layer (M1) comprises a first metal portion (M11) and a second metal portion (M12) which are connected to each other; and the first metal portion (M11) comprises a plurality of first exhaust holes (10), and the second metal portion (M12) comprises a plurality of second exhaust holes (20), wherein an arrangement mode of the plurality of first exhaust holes (10) is different from an arrangement mode of the plurality of second exhaust holes (20).
  2. The display panel (100) according to claim 1, wherein, the second metal portion (M12) at least partially surrounds the first metal portion (M11).
  3. The display panel (100) according to claim 1, further comprising a pixel region (Z1) and a non-pixel region (Z2), wherein at least a part of the first metal portion (M11) is located in the pixel region (Z1), the pixel region (Z1) comprises light-emitting elements (60), and the second metal portion (M12) is located in the non-pixel region (Z2).
  4. The display panel (100) according to claim 1, wherein, multiple first exhaust holes (10) of the plurality of first exhaust holes (10) are arranged along a first direction, multiple first exhaust holes (10) of the plurality of first exhaust holes (10) are arranged along a second direction, and the first direction and the second direction intersect with each other; multiple second exhaust holes (20) of the plurality of second exhaust holes (20) are arranged along the first direction, and multiple second exhaust holes (20) of the plurality of second exhaust holes (20) are arranged along the second direction; and in the first direction, a pitch between two adjacent first exhaust holes (10) is different from a pitch between two adjacent second exhaust holes (20); and/or in the second direction, a pitch between two adjacent first exhaust holes (10) is different from a pitch between two adjacent second exhaust holes (20).
  5. The display panel (100) according to claim 4, wherein, in the first direction, a width of the first exhaust hole (10) is equal to a width of the second exhaust hole (20), and a spacing between two adjacent first exhaust holes (10) is different from a spacing between two adjacent second exhaust holes (20); and/or in the second direction, a width of the first exhaust hole (10) is equal to a width of the second exhaust hole (20), and a spacing between two adjacent first exhaust holes (10) is different from a spacing between two adjacent second exhaust holes (20).
  6. The display panel (100) according to claim 1, wherein, multiple first exhaust holes (10) of the plurality of first exhaust holes (10) are arranged along a first direction, and multiple first exhaust holes (10) of the plurality of first exhaust holes (10) are arranged along a second direction, wherein the first direction and the second direction intersect with each other; and multiple second exhaust holes (20) of the plurality of second exhaust holes (20) are arranged along the first direction, and multiple second exhaust holes (20) of the plurality of second exhaust holes (20) are arranged along the second direction; and a pitch between the first exhaust holes (10) in the first direction is not equal to a pitch between the first exhaust holes (10) in the second direction, and/or a pitch between the second exhaust holes (20) in the first direction is equal to a pitch between the second exhaust holes (20) in the second direction.
  7. The display panel (100) according to claim 1, wherein, multiple first exhaust holes (10) of the plurality of first exhaust holes (10) are arranged into a first hole column (10L) along a first direction, multiple first exhaust holes (10) of the plurality of first exhaust holes (10) are arranged into a first hole row (10H) along a second direction, two adjacent first exhaust holes (10) in the first hole row (10H) belong to two adjacent first hole columns (10L), and the first direction and the second direction intersect with each other; and multiple second exhaust holes (20) of the plurality of second exhaust holes (20) are arranged into a second hole column (20L) along the first direction, and multiple second exhaust holes (20) of the plurality of second exhaust holes (20) are arranged into a second hole row (20H) along the second direction; two adjacent second exhaust holes (20) in at least one second hole row (20H) are spaced by at least one second hole column (20L), and/or two adjacent second exhaust holes (20) in at least one second hole column (20L) are spaced by at least one second hole row (20H).
  8. The display panel (100) according to claim 1, wherein, multiple first exhaust holes (10) of the plurality of first exhaust holes (10) are arranged into a first hole column (10L) along a first direction, and three adjacent first exhaust holes (10) belonging to two adjacent first hole columns (10L) form a first triangle (41); a longest side of the first triangle (41) is a first side (411), an extension direction of the first side (411) intersects the first direction and a second direction, and the first direction and the second direction intersect with each other; and multiple second exhaust holes (20) of the plurality of second exhaust holes (20) are arranged into a second hole column (20L) along the first direction, three adjacent second exhaust holes (20) belonging to two adjacent second hole columns (20L) form a second triangle (42), a longest side of the second triangle (42) is a second side (421), and the second side (421) extends along the first direction; and/or multiple second exhaust holes (20) of the plurality of second exhaust holes (20) are arranged into a second hole row (20H) along the second direction, three adjacent second exhaust holes (20) belonging to two adjacent second hole rows (20H) form a third triangle (43), a longest side of the third triangle (43) is a third side (431), and the third side (431) extends along the second direction.
  9. The display panel (100) according to claim 1, wherein, an arrangement density of the first exhaust holes (10) is less than an arrangement density of the second exhaust holes (20).
  10. The display panel (100) according to claim 1, further comprising a second metal layer (M2) located on one side of the substrate (00), and the second metal layer (M2) and the first metal layer (M1) are located in different layers; the second metal layer (M2) comprises a third metal portion (M21), and the third metal portion (M21) comprises a plurality of third exhaust holes (30); along a direction perpendicular to a plane of the substrate (00), the third metal portion (M21) and the first metal portion (M11) overlap, and the third exhaust holes (30) and the first exhaust holes (10) at least partially do not overlap; and/or the second metal layer (M2) comprises a fourth metal portion (M22), and the fourth metal portion (M22) comprises a plurality of fourth exhaust holes; and along the direction perpendicular to the plane of the substrate (00), the fourth metal portion (M22) and the second metal portion (M12) overlap, and the fourth exhaust holes and the second exhaust holes (20) at least partially do not overlap.
  11. The display panel (100) according to claim 10, wherein, multiple of the plurality of fourth exhaust holes are arranged into a third hole column (40L) along a first direction, multiple of the plurality of fourth exhaust holes are arranged into a third hole row (40H) along a second direction, and the first direction and the second direction intersect with each other; two adjacent fourth exhaust holes in at least one third hole row (40H) are spaced by at least one third hole column (40L), and two adjacent fourth exhaust holes in at least one third hole column (40L) are spaced by at least one third hole row (40H); and an orthographic projection of at least one of the fourth exhaust holes on the substrate (00) is located in a region surrounded by orthographic projections of four adjacent second exhaust holes (20) on the substrate (00).
  12. The display panel (100) according to claim 1, further comprising a second metal layer (M2) located on one side of the substrate (00), and the second metal layer (M2) and the first metal layer (M1) are located in different layers; the second metal layer (M2) comprises a third metal portion (M21), and along a direction perpendicular to a plane of the substrate (00), the third metal portion (M21) and the first metal portion (M11) overlap; and the third metal portion (M21) comprises third exhaust holes (30); and the third metal portion (M21) comprises first electrodes (51) and second electrodes (52), the third metal portion (M21) has first grooves (53), the first electrodes (51) are located in the first grooves (53), and the second electrode (52) and at least one first groove (53) share at least one side wall.
  13. The display panel (100) according to claim 12, further comprising light-emitting elements (60); along the direction perpendicular to the plane of the substrate (00), one end of the light-emitting element (60) overlaps one of the first electrodes (51) and the other end of the light-emitting element (60) overlaps one of the second electrodes (52), and the light-emitting elements (60) and the third exhaust holes (30) do not overlap.
  14. The display panel (100) according to claim 12, wherein, a first gap (54) is formed between the first electrode (51) and a side wall of one of the first grooves (53) accommodating the at least one first electrode (51), along the direction perpendicular to the plane of the substrate (00), the first exhaust holes (10) do not overlap the first gap (54).
  15. The display panel (100) according to claim 12, wherein, in a first direction, a spacing between two adjacent first exhaust holes (10) is d1, and a width of the third exhaust hole (30) is d2, wherein d1 > d2.
  16. The display panel (100) according to claim 12, wherein, the first electrodes (51) and at least one of the second electrodes (52) each comprise the third exhaust holes (30); and a width of the second electrode (52) between two adjacent first grooves (53) in a second direction is greater than a width of the first exhaust hole (10) in the second direction, and/or a width of the first electrode (51) in the second direction is greater than a width of the first exhaust hole (10) in the second direction.
  17. The display panel (100) according to claim 12, wherein, the second metal layer (M2) comprises a fourth metal portion (M22) connected to the third metal portion (M21) and at least partially surrounding the third metal portion (M21); and along the direction perpendicular to the plane of the substrate (00), the fourth metal portion (M22) and the second metal portion (M12) overlap; and the fourth metal portion (M22) comprises a plurality of fourth exhaust holes.
  18. The display panel (100) according to claim 17, wherein, an area of at least one of the third exhaust holes (30) is smaller than an area of the fourth exhaust hole.
  19. The display panel (100) according to claim 1, further comprising a second metal layer (M2) located on one side of the substrate (00), and the second metal layer (M2) and the first metal layer (M1) are located in different layers; the second metal layer (M2) comprises a fourth metal portion (M22), and along a direction perpendicular to a plane of the substrate (00), the fourth metal portion (M22) and the second metal portion (M12) overlap; and the fourth metal portion (M22) comprises a plurality of fourth exhaust holes; multiple of the plurality of fourth exhaust holes are arranged into a third hole column (40L) along a first direction, multiple of the plurality of fourth exhaust holes are arranged into a third hole row (40H) along a second direction, and the first direction and the second direction intersect with each other; two adjacent fourth exhaust holes in the third hole row (40H) are spaced by at least one third hole column (40L), and two adjacent fourth exhaust holes in the third hole column (40L) are spaced by at least one third hole row (40H); and an orthographic projection of at least one of the fourth exhaust holes on the substrate (00) is located in a region surrounded by orthographic projections of four adjacent second exhaust holes (20) on the substrate (00).
  20. The display panel (100) according to claim 1, further comprising connection lines (65), pixel circuits (64), and light-emitting elements (60) located on one side of the substrate (00), wherein one end of the connection line (65) is connected to one of the pixel circuits (64), and the other end of the connection line (65) is connected to one of the light-emitting elements (60); the connection lines (65) and the first metal layer (M1) are located in a same layer; and the first metal layer (M1) comprises a second groove (55), and the connection lines (65) are located in the second groove (55).

Description

TECHNICAL FIELD The present disclosure relates to the field of display technology, and in particular, to a display panel and a display apparatus. BACKGROUND A light-emitting diode (LED) is a common light-emitting device and is widely used in fields such as lighting and display. With the development of display technology, a display product using Mini LEDs and Micro LEDs as display pixels has emerged. In the display product, a voltage drop on a power supply structure that drives the pixels to emit light affects the display uniformity. However, if the area of the power supply structure is increased to reduce the voltage drop, there will be a problem that a large area metal is prone to film layer delamination, which affects the performance reliability of the product. SUMMARY Embodiments of the present disclosure provide a display panel and a display apparatus to improve the performance reliability of the product. In a first aspect, an embodiment of the present disclosure provides a display panel including a substrate and a first metal layer located on one side of the substrate, where the first metal layer comprises a first metal portion and a second metal portion which are connected to each other; and the first metal portion comprises a plurality of first exhaust holes, and the second metal portion comprises a plurality of second exhaust holes, where an arrangement mode of the plurality of first exhaust holes is different from an arrangement mode of the plurality of second exhaust holes. In a second aspect, based on the same inventive concept, an embodiment of the present disclosure further provides a display apparatus including the display panel provided by the above embodiment of the present disclosure. Other embodiments in the summary are as disclosed in the claims as appended. The display panel and the display apparatus provided by the embodiments of the present disclosure have the following beneficial effects: in the embodiments of the present disclosure, the differentiated design of the arrangement modes of the exhaust holes is performed in coordination with the positions of different metal portions in the first metal layer, which can facilitate gas discharge during the fabrication process, preventing film layer delamination of the first metal layer. In application, by designing the first metal layer as a large area metal layer, a voltage drop of a signal transmitted by the first metal layer can be reduced, the display uniformity can be enhanced, the risk of film layer delamination of the large area metal can also be reduced, and the performance reliability of the product can be improved. BRIEF DESCRIPTION OF DRAWINGS To more clearly illustrate the technical solutions in the embodiments of the present disclosure or in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below. Apparently, the drawings in the following description are some of the embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without any creative efforts. FIG. 1 is a partial schematic diagram of a display panel provided by an embodiment of the present disclosure;FIG. 2 is a schematic diagram of another display panel provided by an embodiment of the present disclosure;FIG. 3A is a partial schematic diagram of another display panel provided by an embodiment of the present disclosure;FIG. 3B is a partial schematic diagram of another display panel provided by an embodiment of the present disclosure;FIG. 4 is a partial schematic diagram of another display panel provided by an embodiment of the present disclosure;FIG. 5 is a partial schematic diagram of another display panel provided by an embodiment of the present disclosure;FIG. 6 is a schematic diagram of another display panel provided by an embodiment of the present disclosure;FIG. 7A is a schematic diagram of another display panel provided by an embodiment of the present disclosure;FIG. 7B is a schematic diagram of a film layer structure of another display panel provided by an embodiment of the present disclosure;FIG. 8 is a schematic diagram of another display panel provided by an embodiment of the present disclosure;FIG. 9A is a schematic diagram of another display panel provided by an embodiment of the present disclosure;FIG. 9B is a schematic diagram of another display panel provided by an embodiment of the present disclosure;FIG. 9C is a schematic diagram of a pixel circuit provided by an embodiment of the present disclosure;FIG. 10 is a schematic diagram of another display panel provided by an embodiment of the present disclosure;FIG. 11 is a schematic diagram of another display panel provided by an embodiment of the present disclosure;FIG. 12 is a layout design diagram of a first metal layer of another display panel provided by an embodiment of the present disclosure;FIG. 13 is a partial schematic diagram of another display panel pr