CN115331556B - Display panel and display device - Google Patents

Display panel and display device Download PDF

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Publication number
CN115331556B
CN115331556B CN202210993423.2A CN202210993423A CN115331556B CN 115331556 B CN115331556 B CN 115331556B CN 202210993423 A CN202210993423 A CN 202210993423A CN 115331556 B CN115331556 B CN 115331556B
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China
Prior art keywords
area
width
sub
region
display
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CN202210993423.2A
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Chinese (zh)
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CN115331556A (en
Inventor
都阿娟
高亮
杨恩建
杨虎飞
孙浩
黄允晖
李非凡
黄小霞
王永乐
曾国栋
吴易谦
曾乙伦
陈伟
姚孟亮
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BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
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BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
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Priority to CN202210993423.2A priority Critical patent/CN115331556B/en
Publication of CN115331556A publication Critical patent/CN115331556A/en
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating 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 around the display area; the non-display area comprises a first area, and one side of the first area far away from the display area comprises at least one bending part; along the first direction, the length of at least one kink is less than the length of first region, is equipped with many in the first region and walks the line, walks the line and extends to the kink, and first region includes first subregion, and first subregion links to each other with the side of kink, and in the second direction, the width of first subregion is less than the width of second subregion. In the display panel, the part of the first area adjacent to the bending part is provided with the first subarea connected with the bending part, and the width of the first subarea is smaller than that of the first area, so that the distance from the bending outer side surface of the bending part to the display area is reduced, and the width of the lower frame of the display panel can be effectively reduced.

Description

Display panel and display device
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, smart narrow frames become one of the main stream developments of electronic products, mobile phone manufacturers gradually take extremely narrow frames as one of selling points of products to improve the competitiveness of the products, and the design of the existing products cannot meet the requirements of consumers on the frames, so that how to further reduce the frames of the electronic products is an important design project studied by various manufacturers at present.
Disclosure of Invention
The invention discloses a display panel and a display device, wherein in the display panel, as a first subarea connected with a bending part is arranged at a position, adjacent to the bending part, of a first area, the width of the first subarea is smaller than that of the first area, so that a transition section of the bending part is lifted upwards in the first area, the distance from the bending outer side surface of the bending part to the display area is reduced, the width of the first area of the display panel can be effectively reduced, and the narrowing design of the first area of the display panel is facilitated.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a display panel, comprising: 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 far away from the display area is provided with at least one bending part; along the first direction, the length of at least one kink is less than the length of first region, be equipped with many in the first region and walk the line and extend to the kink, first region includes first subregion, first subregion with the kink links to each other, in the second direction, the width of first subregion is less than the width of first region, the second direction with first direction is crossing.
In the display panel, as the first subarea connected with the bending part is arranged at the position, adjacent to the bending part, of the first area, the width of the first subarea is smaller than that of the first area, the transition section of the bending part is lifted upwards in the first area, the distance from the bending outer side surface of the bending part to the display area is reduced, and the first area is used as the lower frame of the display panel, so that 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; and the line width of the part of the wire in the first subarea is smaller than the line width of the part of the wire in the second subarea, and/or the distance between the parts of the two wires in the first subarea is smaller than the distance between the parts of the two wires in the second subarea.
Optionally, the first sub-area and the second sub-area are alternately connected, the side edge of the first sub-area deviating from the display area, the side edge of the second sub-area deviating from the display area, and the connecting line between the side edge of the first sub-area deviating from the display area and the side edge of the second sub-area deviating from the display area form a special-shaped side edge, and each trace and the special-shaped side edge have the same appearance.
Optionally, at least two bending parts are arranged on one side of the first area, which faces away from the display area, and the bending parts are distributed at intervals along the first direction.
Optionally, at least one first sub-region is connected between two adjacent bending portions.
Optionally, an angle phi between the connecting line and an extension line of a side edge 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 edge of the first region and the closest bending portion 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, the width of the bending part is larger than the width of the second subarea along the first direction.
The invention also provides a display device which comprises any display panel provided by the technical scheme.
Drawings
FIG. 1 is a schematic view of a display panel according to the prior art;
fig. 2 is a schematic partial structure of a display panel according to an embodiment of the present invention;
fig. 3 is a schematic plan view of a display panel according to an embodiment of the present invention;
fig. 4 is a schematic plan view of a display panel according to an embodiment of the present invention;
FIG. 5 is an enlarged schematic view of the structure shown at F in FIG. 4;
icon: 1, 01-display panel; 11-a first region; 12 012-fold; 13-wiring; 14 014-protective layer; a 111-concave structure; 112-a second subregion; 121-transition section.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 2 and 3, the embodiment of the present invention provides a display panel, the display panel 1 includes a display area AA and a non-display area disposed around the display area; 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 far away from the display area AA is provided with at least one bending part 12 which protrudes outwards and extends; the sum of the lengths of all the bending parts is smaller than the length of the first area along the first direction, the first direction is a direction parallel to the side edge of the display area facing the first area, the length of the bending parts along the first direction is smaller than the length of the first area, the bending parts are in the range of the first area, the two sides of the bending parts do not exceed the first area, a plurality of parallel and spaced wires 13 are arranged in the first area, each wire 13 extends to the bending parts, the part, which is far away from one side of the display area AA, of the first area 11 and is adjacent to the bending part 12 is provided with a concave structure 111, the concave structure 111 is connected with the side edge of the bending part 12, a first subarea is formed at the part, which is opposite to the concave structure, of the first subarea is connected with the bending part, and the width of the first subarea is smaller than the whole width of the first area along the second direction due to the existence of the concave structure, wherein the second direction intersects with the first direction, and the second direction can be a direction perpendicular to the first direction in the plane of the display panel.
In the display panel, referring to fig. 1 and 2, the free end of the bending part is bent toward the back of the display panel, a transition part is required, the part of the bending part connected with the lower frame is provided with a transition section 121, the transition section is flat and parallel to the lower frame, the part of the transition section away from the lower frame is bent to form a bending part, the connection boundary between the bending part and the transition section is a bending line, and the bending line, the bending part and the lower frame are provided with the transition sectionA bending gap (length dimension B shown in fig. 2) is formed between connecting lines of the frames, the bending portion bends towards the back surface of the display panel, along a direction perpendicular to the lower frame of the display panel, the length dimension B of a transition section of the bending portion is set according to requirements, 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 a bending line of the bending portion, illustratively, 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, in the prior art, as shown in fig. 1, the width=h+b+r+c+d of the lower frame of the display panel 01, wherein H is a distance from the side edge of the display area AA towards the lower frame to a connecting boundary line between the lower frame and the transition section, B is a length of the transition section, R is a bending radius inside the bending portion, C is a layer thickness of the bending portion, and D is a layer thickness of a protective layer 014 disposed on the bending outside of the bending portion 012. In the present embodiment, as shown in fig. 2, the width=h of the lower frame of the display panel 1 1 +B+R+C+D, where H 1 In order to move from the bottom of the concave structure in the lower frame toward the display area AA to the connection boundary between 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, D is the layer thickness of the protection layer 14 arranged on the bending outer side of the bending part 12, H is due to the existence of the concave structure 1 It can also be understood that, being smaller than H, since the portion of the lower frame adjacent to the bending portion in the embodiment is provided with the concave structure, the numerical value of the transition section of the bending portion is unchanged, and the transition section is lifted upwards from the connection boundary between the bending portion and the bottom of the concave structure, which is equivalent to the actual connection boundary between the bending portion and the lower frame.
In the display panel of this embodiment, because the first subregion that links to each other with the kink is provided with in the position that the kink was adjacent to in first region, the width of first subregion is less than the width of first region for the changeover portion of kink upwards promotes in first region, makes the distance of the crooked lateral surface of kink to the display region reduce, can effectively reduce display panel's lower frame width, is favorable to display panel lower frame narrowing design.
In a possible implementation manner, in the display panel, the first area further includes a second sub-area 112, where the second sub-area 112 is located on a side of the first sub-area facing away from the bending portion, and a width of the second sub-area is the same as a width of the first area along the second direction; the line width of the part of the wire in the first subarea is smaller than the line width of the part of the wire in the second subarea, and/or the distance between the parts of the two wires in the first subarea is smaller than the distance between the parts of the two wires in the second subarea in the same group of two adjacent wires. The width of the first subarea is smaller than that of the non-concave part, so that the width of the first subarea after narrowing is adapted, the line width of the part of the wiring in the first subarea is reduced, or the line distance of the part of the adjacent wiring in the first subarea is reduced, or the line width of the part of the wiring in the first subarea is reduced, and meanwhile, the line distance of the part of the adjacent wiring in the first subarea is reduced, so that the wirings in the first subarea can be reasonably distributed, and the performance of the display panel is not affected.
Specifically, as shown in fig. 4 and fig. 5, the first sub-area and the second sub-area are alternately connected, the adjacent first sub-area and second sub-area are connected, the side edge of the first sub-area deviating from the display area, the side edge of the second sub-area deviating from the display area, and the connecting line between the side edge of the first sub-area deviating from the display area and the side edge of the second sub-area deviating from the display area form a special-shaped side edge, the special-shaped side edge forms a part of the bottom edge of the display panel, in order to enable the routing to adapt to the special-shaped arrangement at the bottom edge of the first area 11 better, each routing and the special-shaped side edge have the same appearance, and the routing can be enabled to be better extended and transited into the first sub-area by the second sub-area.
In one possible embodiment, as shown in fig. 4, at least two bending portions 12 are disposed at a side of the first region facing away from the display area, and the bending portions are spaced apart along the first direction. And specifically, at least one first subregion is included between two adjacent kinks, and exemplary, can include a first subregion between two adjacent kinks, namely the first subregion that is located between two adjacent kinks in first region links to each other directly, and the indent structure that is located between two adjacent kinks in first region links to each other directly, and the whole appearance of display panel makes to cut from the mother board, links to each other the first subregion that is located between two adjacent kinks in first region, can simplify the cutting route shape between two adjacent kinks when the mother board cuts, and the preparation is cut more easily, is favorable to simplifying preparation technology.
Further, as shown in fig. 5, in order to make the transition between the first sub-area and the second sub-area smooth, the side of the first sub-area away from the bending portion is connected with the second sub-area, the junction of the first sub-area and the second sub-area forms a slope structure, the side of the first sub-area away from the display area is connected with the side of the second sub-area away from the display area through the slope structure, that is, the side wall of the concave structure 111 away from the bending portion 12 forms a slope structure, the bottom of the concave structure is connected with the outer side of the normal wiring area through the slope structure, and the slope of the slope structure forms a connecting line between the side of the first sub-area away from the display area and the side of the second sub-area away from the display area; the included angle phi between the connecting line and the extension line of the side edge of the second sub-region far away from the display region is more than 0 DEG and less than or equal to 90 deg. Specifically, the included angle Φ is 28 °, 28.3 °, or 30 °. The structural strength of the bottom edge of the first area is guaranteed, the special-shaped side edge of the first area can be smooth, and wiring arrangement of the first area is facilitated.
In the above display panel, as shown in fig. 4 and 5, in order to ensure that the wirings in the first area can be reasonably arranged, the concave depth H of the concave structure is also ensured 2 The width of the first sub-area cannot be too large, and is guaranteed not to be too small. Specifically, in the second direction, the width of the second sub-region (i.e. the distance between the side of the second sub-region facing away from the display area and the side of the display area facing towards the second sub-region) is a first width H, the width of the first sub-region (i.e. the first sub-region facing away from the display areaThe distance between the side edge of the display area facing the side of the first sub-area) is the second width H 1 Wherein the first width H and the second width H 1 The method meets the following conditions:
H 1 =(0.7~0.9)×H。
wherein h=h 1 +H 2 Then H 2 = (0.1-0.3) x H for have suitable distance between the bottom of indent structure and the side of display area towards lower frame one side, when making the width of lower frame reduce, be convenient for walk the line and arrange, guarantee to walk the line performance.
Further, the first width H and the second width H can be selectively set 1 The method meets the following conditions: h 1 =0.84×h, i.e. H 2 =0.16×h so that the first sub-region has the best width, better routing.
Specifically, as shown in fig. 5, for the length setting of the first sub-area, it may be: in the first direction, the distance between the side edge of the first region and the nearest bending part is a first length L, and the distance between the edge of the first sub-region 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 The method meets the following conditions:
L 1 =(0.1~0.5)×L。
the length of the first subarea is reasonably set, so that the length of the first subarea is ensured not to be too long, the wiring of the first subarea is not too long, the influence on the wiring performance caused by the overlong length of the wiring line width or the wiring distance is avoided, the wiring performance is ensured, and the display performance of the display panel is ensured.
Preferably, the first length L and the second length L can be set 1 The method meets the following conditions: l (L) 1 = 0.2215 ×l. The first subarea has the optimal length, so that the running lines can be smoothly extended and arranged, and the running line energy can be ensured.
Specifically, along the first direction, the width of the bending part is larger than that of the second subarea, so that more space can be provided for wiring, and the stability of wiring 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 modifications and variations can be made to the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (7)

1. A display panel, comprising: 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 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, the first direction is parallel to the side edge of the display area, which faces the first area, a plurality of wires are arranged in the first area, and the wires extend to the bending part;
a concave structure is formed at a part, adjacent to the bending part, of the first area, which is far away from one side of the display area, a first subarea is formed at a part, opposite to the concave structure, of the first area, the first subarea is connected with the bending part, the width of the first subarea is smaller than that of the first area in a second direction, and the second direction is intersected with the first direction;
the first region further comprises a second sub-region, and the width of the second sub-region is the same as the width of the first region along the second direction; wherein, in the same wire, the line width of the part of the wire in the first subarea is smaller than the line width of the part of the wire in the second subarea, and/or the interval between the parts of two adjacent wires in the first subarea is smaller than the interval between the parts of two wires in the second subarea;
the first subareas and the second subareas are alternately connected, the side edge of the first subareas, which is away from the display area, the side edge of the second subareas, which is away from the display area, and the connecting line between the side edge of the first subareas, which is away from the display area, and the side edge of the second subareas, which is away from the display area, form a special-shaped side edge, and each wiring and the special-shaped side edge have the same appearance;
an included angle phi between the connecting line and an extension line of the side edge, away from the display area, of the second sub-area is larger than 0 degrees and smaller than or equal to 90 degrees.
2. The display panel of claim 1, wherein a side of the first region facing away from the display area has at least two of the bent portions, the bent portions being spaced apart along the first direction.
3. The display panel of claim 2, wherein at least one of the first sub-regions is included between two adjacent bends.
4. The display panel of claim 1, wherein 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 H 1 The method meets the following conditions:
H 1 =(0.7~0.9)×H。
5. the display panel of claim 1, wherein a width of the bend is greater than a width of the second sub-region along the first direction.
6. The display panel of any one of claims 1-5, wherein a distance between a side edge of the first region and the closest bend is a first length L, and a distance between an edge of the first sub-region away from the bend and the bend is a second length L 1 Wherein the first lengthL and the second length L 1 The method meets the following conditions:
L 1 =(0.1~0.5)×L。
7. a display device comprising the display panel according to any one of claims 1-6.
CN202210993423.2A 2022-08-18 2022-08-18 Display panel and display device Active CN115331556B (en)

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CN115331556B true CN115331556B (en) 2023-11-28

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Citations (4)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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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