CN115331556A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN115331556A CN115331556A CN202210993423.2A CN202210993423A CN115331556A CN 115331556 A CN115331556 A CN 115331556A CN 202210993423 A CN202210993423 A CN 202210993423A CN 115331556 A CN115331556 A CN 115331556A
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- 238000005452 bending Methods 0.000 claims abstract description 86
- 230000007704 transition Effects 0.000 description 17
- 239000010410 layer Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
Abstract
The invention relates to the technical field of display, and discloses a display panel and a display device, wherein the display panel comprises: the display area and the non-display area are arranged around the display area; the non-display area comprises a first area, and one side of the first area, which is far away from the display area, comprises at least one bending part; the length of at least one bending part is smaller than that of the first area along the first direction, a plurality of routing lines are arranged in the first area, the routing lines extend to the bending parts, the first area comprises a first sub-area, the first sub-area is connected with the side edges of the bending parts, and the width of the first sub-area is smaller than that of the second sub-area in the second direction. In the display panel, a first sub-area connected with the bending part is arranged at a part of the first area, which is adjacent to the bending part, and the width of the first sub-area is smaller than that of the first area, so that the distance from the bent outer side surface of the bending part to the display area is reduced, and the width of a lower frame of the display panel can be effectively reduced.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
Along with the development of the mobile phone industry, the requirements of consumers on electronic products are higher and higher, the smart narrow frame becomes one of the mainstream developments of the electronic products, mobile phone manufacturers gradually use the extremely narrow frame as one of the selling points of the products as a declaration to improve the competitiveness of the products, and the existing product design lacks the frame to meet the requirements of the consumers, so how to further reduce the frame of the electronic products is an important design project researched by various manufacturers at present.
Disclosure of Invention
The invention discloses a display panel and a display device, wherein a first sub-area connected with a bent part is arranged at a position of a first area, which is adjacent to the bent part, the width of the first sub-area is smaller than that of the first area, so that a transition section of the bent part is upwards lifted in the first area, the distance from the bent outer side surface of the bent part to a display area is reduced, the width of the first area of the display panel can be effectively reduced, and the first area narrowing design of the display panel is facilitated.
In order to achieve the purpose, the invention provides the following technical scheme:
a display panel, comprising: the display area and the non-display area are arranged around the display area;
the non-display area comprises a first area, and one side of the first area, which is far away from the display area, is provided with at least one bending part; the length of the at least one bending part is smaller than that of the first area along a first direction, a plurality of routing wires are arranged in the first area, the routing wires extend to the bending parts, the first area comprises a first sub-area, the first sub-area is connected with the bending parts, the width of the first sub-area is smaller than that of the first area in a second direction, and the second direction is intersected with the first direction.
In the display panel, the first sub-region connected with the bending part is arranged at the position, adjacent to the bending part, of the first region, the width of the first sub-region is smaller than that of the first region, so that the transition section of the bending part is upwards lifted in the first region, the distance from the bent outer side surface of the bending part to the display region is reduced, the first region is used as the lower frame of the display panel, the width of the lower frame of the display panel can be effectively reduced, and the narrowing design of the lower frame of the display panel is facilitated.
Optionally, the first region further includes a second sub-region, and a width of the second sub-region is the same as a width of the first region along the second direction; in the same routing line, the line width of the part of the routing line in the first sub-area is smaller than the line width of the part of the routing line in the second sub-area, and/or the distance between the parts of the two routing lines in the first sub-area is smaller than the distance between the parts of the two routing lines in the second sub-area in two adjacent routing lines.
Optionally, the first sub-region and the second sub-region are alternately connected, a connection line between a side of the first sub-region away from the display region, a side of the second sub-region away from the display region, and a side of the first sub-region away from the display region and a side of the second sub-region away from the display region forms an irregular side, and each of the traces has the same appearance as the irregular side.
Optionally, one side of the first region, which is away from the display region, has at least two bending portions, and the bending portions are distributed at intervals along the first direction.
Optionally, at least one first sub-region is included and connected between two adjacent bending portions.
Optionally, an included angle Φ between the connection line and an extension line of a side of the second sub-region away from the display region is greater than 0 ° and less than or equal to 90 °.
Optionally, in the second direction, the width of the second sub-region is a first width H, and the width of the first sub-region is a second width H 1 Wherein the first width H and the second width H1 satisfy:
H 1 ＝(0.7～0.9)×H。
optionally, along the first direction, a distance between a side of the first region and the bending portion closest to the side of the first region is a first length L, and a distance between an edge of the first sub-region away from the bending portion and the bending portion is a second length L 1 Wherein the first length L and the second length L1 satisfy:
L 1 ＝(0.1～0.5)×L。
optionally, along the first direction, the width of the bending portion is greater than the width of the second sub-region.
The invention also provides a display device which comprises any one display panel provided by the technical scheme.
Drawings
Fig. 1 is a schematic partial structure diagram of a display panel in the prior art;
fig. 2 is a schematic partial structure diagram of a display panel according to an embodiment of the present invention;
fig. 3 is a schematic plan view illustrating a display panel according to an embodiment of the present invention;
fig. 4 is a schematic plan view illustrating a display panel according to an embodiment of the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 4 at F;
icon: 1, 01-display panel; 11-a first region; 12 012-a bent section; 13-routing; 14 014-protective layer; 111-a concave structure; 112-a second sub-region; 121-transition section.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 2 and fig. 3, an embodiment of the present invention provides a display panel, in which a display panel 1 includes a display area AA and a non-display area disposed around the display area AA; the non-display area comprises a first area 11, the first area 11 of the display panel can be used as a lower frame of the display panel, and one side of the first area 11, which is far away from the display area AA, is provided with at least one bending part 12 which protrudes and extends outwards; along the first direction, the sum of the lengths of all the bending parts is smaller than the length of the first area, the first direction is a direction parallel to the side of the display area facing the first area, the length of the bending part along the first direction is smaller than the length of the first area, so that the bending part does not exceed the first area on both sides within the range of the first area, a plurality of parallel and spaced routing lines 13 are arranged in the first area, each routing line 13 extends to the bending part, a concave structure 111 is formed at a position of one side of the first area 11 away from the display area AA and adjacent to the bending part 12, the concave structure 111 is connected with the side of the bending part 12, wherein a first sub-area is formed at a position of the first area opposite to the concave structure, the first sub-area is connected with the bending part, and due to the existence of the concave structure, in the second direction, the width of the first sub-area is smaller than the width of the first area as a whole, wherein the second direction intersects with the first direction, exemplarily, the second direction may be a direction perpendicular to the first direction within the plane of the display panel.
In the display panel, referring to fig. 1 and 2, the free end of the bending portion is bent toward the back of the display panel, a transition portion 121 is required to be provided at a portion where the bending portion is connected to the lower frame, the transition portion is straight and parallel to the lower frame, a portion of the transition portion away from the lower frame is curved to form a curved portion, a connection boundary line between the curved portion and the transition portion is a bending line, a bending gap (length dimension B shown in fig. 2) is formed between the bending line and a connection line between the bending portion and the lower frame, the bending portion is bent toward the back of the display panel, the length dimension B of the transition portion of the bending portion is set as required in a direction perpendicular to the lower frame of the display panel, in the prior art, the length dimension B of the transition section of the bending portion is a distance from the bottom edge of the lower frame to the bending line of the bending portion, and exemplarily, the length dimension of the transition section is a distance from the bottom surface of the concave structure to the bending line of the bending portion, as shown in fig. 1, the width = H + B + R + C + D of the lower frame of the display panel 01, where H is a distance from the side edge of the display area AA facing the lower frame to the connection boundary line between the lower frame and the transition section, B is a length of the transition section, R is a bending radius of the inner side of the bending portion, C is a layer thickness of the bending portion, and D is a layer thickness of the protective layer 014 disposed at the outer side of the bending portion 012. In the embodiment, as shown in fig. 2, the width of the lower frame of the display panel 1 = H 1 + B + R + C + D, wherein H 1 The distance from the display area AA to the bottom of the concave structure in the lower frame to the connecting boundary line of the lower frame and the transition section, B is the length of the transition section, R is the bending radius of the bending inner side of the bending part, C is the layer thickness of the bending part, and D is the layer thickness of the protective layer 14 arranged on the bending outer side of the bending part 12, because of the concave structureExistence of a structure H 1 Smaller than H, it can also be understood that, because the portion of the lower border in this embodiment adjacent to the bending portion is provided with the concave structure, the value of the transition section of the bending portion is not changed, and the transition section is calculated from the bottom connection boundary line of the bending portion and the concave structure, which is equivalent to that the actual connection boundary line of the bending portion and the lower border is lifted upwards, compared with the prior art, the important size parameter affecting the width size of the lower border in this embodiment is reduced, and therefore, the width of the lower border is effectively reduced, so that the lower border is narrowed.
In the display panel of this embodiment, because the portion of the first region adjacent to the bending portion is provided with the first sub-region connected to the bending portion, the width of the first sub-region is smaller than that of the first region, so that the transition section of the bending portion is lifted upwards in the first region, the distance from the curved outer side surface of the bending portion to the display area is reduced, the width of the lower frame of the display panel can be effectively reduced, and the narrowing design of the lower frame of the display panel is facilitated.
In a possible implementation manner, in the display panel, the first region further includes a second sub-region 112, the second sub-region 112 is located on a side of the first sub-region departing from the bending portion, and along the second direction, a width of the second sub-region is the same as a width of the first region; in the same routing, the line width of the part of the routing in the first sub-area is smaller than the line width of the part of the routing in the second sub-area, and/or in two adjacent routing in the same group, the distance between the parts of the two routing in the first sub-area is smaller than the distance between the parts of the two routing in the second sub-area. The width of the part of the first sub-area arranged in the first area is smaller than that of the non-concave part, so that the width of the first sub-area after narrowing is adapted, the line width of the part of the routing in the first sub-area is reduced, or the line distance of the parts of the adjacent routing in the first sub-area is reduced, or the line width of the part of the routing in the first sub-area is reduced, and the line distance of the parts of the adjacent routing in the first sub-area is reduced, so that the routing in the first sub-area can be reasonably distributed, and the performance of the display panel cannot be influenced.
Specifically, as shown in fig. 4 and 5, the first sub-regions and the second sub-regions are alternately connected, the adjacent first sub-regions and the adjacent second sub-regions are connected, a side of the first sub-region departing from the display area, a side of the second sub-region departing from the display area, and a connecting line between the side of the first sub-region departing from the display area and the side of the second sub-region departing from the display area form a special-shaped side, the special-shaped side forms a part of a bottom edge of the display panel, in order to make the routing better adapt to special-shaped arrangement at the bottom edge of the first area 11, each routing and the special-shaped side have the same appearance, so that the routing can better extend from the second sub-regions to be transited into the first sub-regions.
In one possible embodiment, as shown in fig. 4, at least two bending portions 12 are disposed on a side of the first region facing away from the display area, and the bending portions are spaced apart along the first direction. Specifically, at least one first sub-region is included between two adjacent bending portions, exemplarily, a first sub-region may be included between two adjacent bending portions, that is, the first sub-region located between two adjacent bending portions in the first region is directly connected, the concave structure located between two adjacent bending portions in the first region is directly connected, the overall shape of the display panel is cut from the motherboard, and the first sub-region located between two adjacent bending portions in the first region is connected, so that the shape of the cutting route between two adjacent bending portions can be simplified when the motherboard is cut, the cutting preparation is easier, and the preparation process is facilitated to be simplified.
Further, as shown in fig. 5, in order to make the first sub-region and the second sub-region smoothly transition, a side of the first sub-region away from the bending portion is connected to the second sub-region, a slope structure is formed at a connection portion of the first sub-region and the second sub-region, a side of the first sub-region away from the display region is connected to a side of the second sub-region away from the display region through the slope structure, that is, a side wall of the concave structure 111 away from the bending portion 12 forms a slope structure, a bottom of the concave structure is connected to an outer side of the normal wiring region through the slope structure, and a slope of the slope structure forms a connection line between the side of the first sub-region away from the display region and the side of the second sub-region away from the display region; an included angle phi between the connecting line and an extended line of the side edge of the second sub-area far away from the display area is larger than 0 degree and smaller than or equal to 90 degrees. In particular, the angle phi is 28 °, 28.3 ° or 30 °. The structural strength of the bottom edge of the first area is guaranteed, the shape of the special-shaped side edge of the first area is gentle, and routing arrangement of the first area is facilitated.
In the above display panel, as shown in fig. 4 and 5, in order to ensure the reasonable arrangement of the wires in the first region, the concave depth H of the concave structure is also ensured 2 It cannot be too large, ensuring that the width of the first sub-region is not too small. In particular, in the second direction, the width of the second sub-area (i.e. the distance between the side of the second sub-area facing away from the presentation area and the side of the presentation area facing towards the second sub-area) is a first width H, and the width of the first sub-area (i.e. the distance between the side of the first sub-area facing away from the presentation area and the side of the presentation area facing towards the first sub-area) is a second width H 1 Wherein the first width H and the second width H 1 Satisfies the following conditions:
H 1 ＝(0.7～0.9)×H。
wherein H = H 1 +H 2 Then H is 2 And the distance is set to be equal to or greater than 0.1 to 0.3 multiplied by H, so that the bottom of the concave structure is away from the side edge of the display area facing to the lower frame, the width of the lower frame is reduced, and meanwhile, the wiring arrangement is facilitated, and the wiring performance is ensured.
Further, the first width H and the second width H can be selectively set 1 Satisfies the following conditions: h 1 =0.84 × H, i.e. H 2 =0.16 × H, so that the first sub-area has the best width, better routing is achieved.
Specifically, as shown in fig. 5, for the length setting of the first sub-region, it may be: in the first direction, the distance between the side of the first region and the bending part closest to the side of the first region is a first length L, and the distance between the edge of the first sub-region far away from the bending part and the bending part is a second length L 1 Wherein the first length L and the second length L 1 Satisfies the following conditions:
L 1 ＝(0.1～0.5)×L。
the length of the first sub-area is reasonably set, the length of the first sub-area is ensured not to be too long, the routing of the first sub-area is also ensured not to be too long, the influence of the overlong length for changing the line width or the line distance on the routing performance is avoided, the routing performance is favorably ensured, and the display performance of the display panel is ensured.
Preferably, the first length L and the second length L may be set 1 Satisfies the following conditions: l is 1 =0.2215 × L. The first sub-area has the optimal length, the smooth extending arrangement of the wiring is ensured, and the wiring performance is also ensured.
Specifically, along the first direction, the width of the bending part is greater than that of the second sub-region, so that more space arrangement routing can be realized, and the stability of routing is improved.
As described with reference to fig. 2, the present embodiment also provides a display device including any one of the display panels 1 provided in the above embodiments.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A display panel, comprising: the display device comprises a display area and a non-display area arranged around the display area;
the non-display area comprises a first area, and one side of the first area, which is far away from the display area, is provided with at least one bending part; along a first direction, the length of the at least one bending part is smaller than that of the first area, the first direction is parallel to the side edge of the display area facing the first area, a plurality of routing lines are arranged in the first area, and the routing lines extend to the bending parts; the first region comprises a first sub-region, the first sub-region is connected with the bending part, the width of the first sub-region is smaller than that of the first region in a second direction, and the second direction is intersected with the first direction.
2. The display panel according to claim 1, wherein the first region further comprises a second sub-region having a width the same as that of the first region in the second direction; in the same routing line, the line width of the part of the routing line located in the first sub-area is smaller than the line width of the part of the routing line located in the second sub-area, and/or the distance between the parts of two adjacent routing lines located in the first sub-area is smaller than the distance between the parts of the two routing lines located in the second sub-area.
3. The display panel according to claim 2, wherein the first sub-area and the second sub-area are alternately connected, a side of the first sub-area facing away from the display area, a side of the second sub-area facing away from the display area, and a connection line between the side of the first sub-area facing away from the display area and the side of the second sub-area facing away from the display area form a special-shaped side, and each of the traces has the same shape as the special-shaped side.
4. The display panel according to claim 1, wherein a side of the first region facing away from the display area has at least two of the bending portions, and the bending portions are distributed at intervals along the first direction.
5. The display panel according to claim 4, wherein at least one of the first sub-regions is included between two adjacent bending portions.
6. The display panel according to claim 3, wherein an angle Φ between the connection line and an extension line of a side of the second sub-region away from the display region is greater than 0 ° and equal to or less than 90 °.
7. The display panel according to claim 2, wherein the width of the second sub-area is a first width H and the width of the first sub-area is a second width H in the second direction 1 Wherein the first width H and the second width H 1 Satisfies the following conditions:
H 1 ＝(0.7～0.9)×H。
8. the display panel according to claim 2, wherein the width of the bent portion is greater than the width of the second sub-region along the first direction.
9. The display panel according to any one of claims 1 to 8, wherein along the first direction, a distance between a side of the first region and the bending portion closest thereto is a first length L, and a distance between an edge of the first sub-region away from the bending portion and the bending portion is a second length L 1 Wherein the first length L and the second length L 1 Satisfies the following conditions:
L 1 ＝(0.1～0.5)×L。
10. a display device characterized by comprising the display panel according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210993423.2A CN115331556B (en) | 2022-08-18 | 2022-08-18 | Display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210993423.2A CN115331556B (en) | 2022-08-18 | 2022-08-18 | Display panel and display device |
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| Publication Number | Publication Date |
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| CN115331556A true CN115331556A (en) | 2022-11-11 |
| CN115331556B CN115331556B (en) | 2023-11-28 |
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| CN202210993423.2A Active CN115331556B (en) | 2022-08-18 | 2022-08-18 | Display panel and display device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109377883A (en) * | 2018-11-30 | 2019-02-22 | 云谷（固安）科技有限公司 | A kind of display panel and display device |
| CN110211490A (en) * | 2019-05-31 | 2019-09-06 | 上海天马有机发光显示技术有限公司 | A kind of display panel, display panel mother matrix and display device |
| CN111413834A (en) * | 2020-03-27 | 2020-07-14 | 厦门天马微电子有限公司 | Display device |
| WO2022160399A1 (en) * | 2021-01-28 | 2022-08-04 | 武汉华星光电半导体显示技术有限公司 | Display panel and display apparatus |
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2022
- 2022-08-18 CN CN202210993423.2A patent/CN115331556B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109377883A (en) * | 2018-11-30 | 2019-02-22 | 云谷（固安）科技有限公司 | A kind of display panel and display device |
| CN110211490A (en) * | 2019-05-31 | 2019-09-06 | 上海天马有机发光显示技术有限公司 | A kind of display panel, display panel mother matrix and display device |
| CN111413834A (en) * | 2020-03-27 | 2020-07-14 | 厦门天马微电子有限公司 | Display device |
| WO2022160399A1 (en) * | 2021-01-28 | 2022-08-04 | 武汉华星光电半导体显示技术有限公司 | Display panel and display apparatus |
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| CN115331556B (en) | 2023-11-28 |
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