CN116013163B - Display panel and active matrix organic light emitting diode display device - Google Patents
Display panel and active matrix organic light emitting diode display device Download PDFInfo
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- 229920001621 AMOLED Polymers 0.000 title claims abstract description 10
- 238000005452 bending Methods 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 39
- 230000002829 reductive effect Effects 0.000 description 11
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
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Abstract
本申请涉及一种显示面板和有源矩阵有机发光二极体显示装置，显示面板包括包括支撑层和显示模组，支撑层包括多个连接板，连接板包括平行的上板和下板，上板和下板错开设置，且通过斜板连接，斜板与上板、下板之间的夹角均为钝角；多个连接板在左右向排列布置，相邻两个连接板中，左侧的连接板的下板端部和右侧的连接板的上板端部在上下向相对，且固定连接，相邻两个连接板的上板相间隔；显示模组固定于支撑层上。本申请具有尽量避免发生弯折变形时产生应力集中的现象，减少弯折使得显示面板损坏的可能性的效果。
The present application relates to a display panel and an active matrix organic light emitting diode display device, wherein the display panel includes a support layer and a display module, wherein the support layer includes a plurality of connecting plates, wherein the connecting plates include a parallel upper plate and a lower plate, wherein the upper plate and the lower plate are staggered and connected by an inclined plate, wherein the angles between the inclined plate and the upper plate and the lower plate are all obtuse angles; wherein the plurality of connecting plates are arranged in a left-right direction, wherein the lower plate end of the connecting plate on the left side and the upper plate end of the connecting plate on the right side are opposite in the vertical direction and fixedly connected, and the upper plates of the two adjacent connecting plates are spaced apart; and the display module is fixed on the support layer. The present application has the effect of avoiding the phenomenon of stress concentration when bending and deformation occur as much as possible, and reducing the possibility of damage to the display panel caused by bending.
Description
Technical Field
The present application relates to the field of display devices, and more particularly, to a display panel and an active matrix organic light emitting diode display device.
Background
In order to improve the comfort of users watching mobile devices such as mobile phones, the screen of the mobile device has a trend to be increased. But too large a screen may limit its portability. In order to solve the problem that a large screen is convenient to watch and carry, some mobile devices adopt folding screens. The folding screen is folded by adopting the flexible display screen, the size of the folded screen is reduced, the portability is improved, and the screen can be unfolded when in use, so that the large-size display effect is achieved. When the folding display product adopts a double-sided bending scheme, the bending resistance is weaker, and the stress generated by mutual extrusion of the film layer and the bending protective layer in the display area in the screen folding process is difficult to release, so that the display panel has cracking risk and the using effect of the display panel is seriously influenced.
Disclosure of Invention
In order to reduce stress on a display panel and reduce damage to the display panel, the present application provides a display panel and an active matrix organic light emitting diode display device.
The application provides a display panel and an active matrix organic light emitting diode display device, which adopt the following technical scheme:
The application provides a display panel which comprises a supporting layer and a display module, wherein the supporting layer comprises a plurality of supporting bars, the supporting bars are parallel and are arranged in the front-rear direction, each supporting bar comprises a plurality of connecting plates, the connecting plates comprise an upper plate and a lower plate which are parallel, the upper plate and the lower plate are arranged in a staggered mode and are connected through inclined plates, included angles between the inclined plates and the upper plate and between the inclined plates are obtuse angles, the connecting plates are arranged in the left-right direction, the lower plate end part of the connecting plate on the left side and the upper plate end part of the connecting plate on the right side are opposite in the up-down direction and are fixedly connected, the upper plates of the adjacent two connecting plates are spaced, and the display module is fixed on the supporting layer.
Through adopting above-mentioned technical scheme, set up the supporting layer of whole face into a plurality of connecting plates that connect gradually, because in each connecting plate, connect through the swash plate between upper plate and the hypoplastron, when display module assembly and supporting layer buckle, can take place to buckle relatively between swash plate and the upper plate, make the junction of swash plate and upper plate warp, can take place to buckle relatively between swash plate and the hypoplastron, make the junction of swash plate and hypoplastron warp, two junctions of each connecting plate all can take place to warp, the tiny deformation accumulation of a plurality of junctions forms the great deformation of display panel degree, can avoid taking place to buckle the phenomenon that produces stress concentration when warping, reduce the possibility that the messenger display panel damaged of buckling. The plurality of connecting plates are connected to form the supporting layer, so that the supporting strength of the supporting layer can be ensured. The upper plate and the inclined plate can be bent in opposite directions, and also can be bent back, the lower plate and the inclined plate can be bent in opposite directions, and also can be bent back, so that the support layer formed by connecting the plurality of connecting plates can realize bidirectional bending of the display panel, and meanwhile, selective bending can be performed at the position of any inclined plate.
Optionally, the inclined plate is thick at the upper end and the lower end and narrow in the middle.
Through adopting above-mentioned technical scheme, the swash plate middle part is narrower, can improve the pliability of swash plate for the stress is littleer when the swash plate is buckled.
Optionally, both sides of the joint of the sloping plate and the upper plate are provided with wedge grooves, and both sides of the joint of the sloping plate and the lower plate are provided with wedge grooves.
Through adopting above-mentioned technical scheme, the setting in wedge groove is convenient for take place relative buckling between upper plate, hypoplastron and the swash plate, reduces the phenomenon that produces stress concentration when taking place buckling deformation.
Optionally, the swash plate is provided with a plurality of oval through holes, and a plurality of through holes are arranged at intervals in the front-back direction.
Through adopting above-mentioned technical scheme, offered the through-hole on the swash plate, can further avoid taking place to buckle the phenomenon that produces stress concentration when warping, this through-hole is oval form, for square through-hole, can reduce stress concentration, for circular through-hole, can strengthen the intensity of swash plate.
Optionally, the long axis direction of the through hole faces the upper plate and the lower plate.
By adopting the technical scheme, the middle part of the inclined plate is convenient to slightly deform, and the stress concentration phenomenon is reduced.
Optionally, the connection parts of the upper plate, the lower plate and the sloping plate are rounded.
By adopting the technical scheme, when the supporting layer is bent, the rounded corner can effectively alleviate stress concentration.
Optionally, the lower plate of the connecting plate on the left side and the upper plate of the connecting plate on the right side are connected by a supporting block, and the supporting block has elasticity.
Through adopting above-mentioned technical scheme, when the supporting layer takes place to buckle, also can take place to extrude between the upper plate of left lower plate and right side in two adjacent connecting plates, through being equipped with elastic supporting shoe, can avoid stress concentration between left lower plate and the right side upper plate.
Optionally, the upper plate and the lower plate are all penetrated and are provided with jacks, the positions of the supporting blocks, which are opposite to the jacks, are convexly provided with elastic protrusions, and the protrusions are inserted into the jacks.
Through adopting above-mentioned technical scheme, be equipped with the jack on upper plate and the hypoplastron, can improve the pliability of upper plate and hypoplastron, the through-hole interpolation has elastic arch, can reduce the stress concentration of jack department.
Optionally, the supporting layer and the protrusion are integrally formed.
Through adopting above-mentioned technical scheme, can strengthen the intensity of being connected between supporting shoe and the arch, be convenient for the production of supporting shoe and arch simultaneously.
In a second aspect, the present application also provides an active matrix organic light emitting diode display device comprising a display panel as described above.
Through adopting above-mentioned technical scheme, can realize the double-sided buckling of display device, reduce simultaneously and can avoid taking place to buckle the phenomenon that produces stress concentration when warping, reduce and buckle the possibility that makes display panel damage.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The upper plate and the inclined plate can be bent in opposite directions, the lower plate and the inclined plate can be bent in opposite directions, the inclined plate can also be bent in opposite directions, the support layer formed by connecting the plurality of connecting plates is ensured, the support strength of the support layer is ensured, and meanwhile, the bidirectional bending of the display panel can be realized.
2. When the display module and the supporting layer are bent, two connection positions of each connection plate can deform, the tiny deformation of the connection positions is accumulated to form deformation with larger degree of the display panel, the phenomenon of stress concentration during bending deformation can be avoided, and the possibility of damage to the display panel caused by bending is reduced.
3. The wedge-shaped grooves are arranged at the joints of the sloping plate, the upper plate and the lower plate, so that the phenomenon of stress concentration during bending deformation can be reduced.
Drawings
Fig. 1 is a schematic structural view of a display panel in embodiment 1 of the present application;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged partial schematic view at B in FIG. 1;
Fig. 4 is a schematic view of the structure of the swash plate in embodiment 2 of the present application.
The reference numerals indicate 100, a supporting layer, 1, a connecting plate, 1a, an inserting hole, 11, an upper plate, 12, a lower plate, 13, an inclined plate, 13a, a through hole, 14, a connecting part, 14a, a wedge-shaped groove, 2, a supporting block, 21, a bulge, an included angle between the inclined plate and the upper plate, an included angle between the inclined plate and the lower plate, 200, a display module, 300, a shading layer, 400, a backboard, 500, a polaroid, 600, a light guide sheet and 700, and a cover plate.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to fig. 1 to 4. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to fall within the scope of the application.
In the description of the present application, it should be understood that the terms "longitudinal," "transverse," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," and the like indicate an orientation or a positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The present application may repeat reference numerals and/or letters in the various examples, and this repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
The embodiment of the application discloses a display panel and an active matrix organic light emitting diode display device, wherein the active matrix organic light emitting diode display device comprises the display panel.
Referring to fig. 1, the display panel includes a support layer 100 and a display module 200, the display module 200 is fixed on the support layer 100, the support layer 100 supports the flexible display module 200 on the whole, a light shielding layer 300 and a back plate 400 may be further disposed between the support layer 100 and the display module 200, and a polarizer 500, a light guide sheet 600, a cover plate 700 and the like may be further disposed on a side of the display module 200 facing away from the support layer 100, which is a prior art, and thus not described in detail.
As shown in fig. 1, the X direction is rightward, the Y direction is upward, and the directions perpendicular to the X direction and the Y direction are forward and backward directions, and the support layer 100 includes a plurality of support bars which are parallel and are arranged in the forward and backward directions. Referring to fig. 2, the support bar includes a plurality of connection plates 1, the connection plates 1 include parallel upper plates 11 and lower plates 12 (refer to fig. 3), the upper plates 11 and the lower plates 12 are staggered, and are connected through inclined plates 13, an included angle α between the inclined plates 13 and the upper plates 11 is an obtuse angle, an included angle β between the inclined plates 13 and the lower plates 12 is an obtuse angle, and the included angles α and β may be the same or different.
The connecting plates 1 are arranged in a left-right direction, and the end parts of the lower plate 12 of the connecting plate 1 on the left side and the end parts of the upper plate 11 of the connecting plate 1 on the right side are opposite in the up-down direction in the two adjacent connecting plates 1, are fixedly connected, can be directly connected, can also be connected through intermediaries, and are fixedly connected to form a whole, so that the supporting layer 100 can play a supporting role on the display module 200.
The upper plates 11 of two adjacent connecting plates 1 are spaced apart, so that the flexibility of the whole supporting layer 100 can be improved, the bending of the supporting layer 100 is facilitated, and the stress on the display module 200 is reduced.
It will be appreciated that, as shown in fig. 3, the supporting layer 100 and the display module 200 may be concave in the middle to achieve upward bending, so that the included angle α between the inclined plate 13 and the upper plate 11 becomes larger, the included angle β between the inclined plate 13 and the lower plate 12 becomes smaller, and the supporting layer 100 and the display module 200 may also be convex in the middle to achieve downward bending, so that the included angle α between the inclined plate 13 and the upper plate 11 becomes smaller, and the included angle β between the inclined plate 13 and the lower plate 12 becomes larger, so that the supporting layer 100 is configured as a plurality of connecting plates 1, so that the display panel can achieve double-sided bending, and meanwhile, selective bending can occur at the position of any inclined plate 13. The number and size of the connection plates 1 may be set according to actual requirements, and it may be understood that the greater the number of the connection plates 1, the more uniform the stress dispersion throughout the support layer 100, thereby reducing the possibility of damage to the display panel.
The junction 14 of upper plate 11 and swash plate 13 sets up for the chamfer, and the junction 14 of lower plate 12 and swash plate 13 sets up for the chamfer, and when supporting layer 100 buckled, the chamfer set up can effectively alleviate stress concentration.
In an alternative embodiment, the connecting plate 1 is in a central symmetrical pattern on the cross section, and the included angle alpha between the upper plate 11 and the inclined plate 13 is equal to the included angle beta between the inclined plate 13 and the lower plate 12, so that the stress applied to the display panel when the display panel is bent towards two sides is the same, and the display panel is prevented from being damaged easily due to overlarge stress applied to one side.
Further, the inclined plate 13 is thick at the upper end and the lower end and narrow in the middle, so that the flexibility of the inclined plate 13 can be improved, and the stress is smaller when the inclined plate 13 is bent. In other embodiments, the swash plate 13 may be provided to have a uniform thickness throughout.
Wedge-shaped grooves 14a are formed in the two side surfaces of the connecting position 14 of the inclined plate 13 and the upper plate 11, and wedge-shaped grooves 14a are formed in the two side surfaces of the connecting position 14 of the inclined plate 13 and the lower plate 12. The wedge-shaped groove 14a is arranged, so that the upper plate 11, the lower plate 12 and the inclined plate 13 are convenient to bend relatively, and the phenomenon of stress concentration during bending deformation is reduced.
In an alternative embodiment, the wedge-shaped grooves 14a on both sides of the joint 14 may be disposed opposite to each other. In order to avoid the thickness of the connection portion 14 being too small, in this embodiment, the wedge-shaped grooves 14a on both sides of the connection portion 14 are staggered, so as to ensure the strength of the connection portion 14 and prevent the connection portion 14 from being easily broken when the display panel is bent.
The lower plate 12 of the left connecting plate 1 and the upper plate 11 of the right connecting plate 1 are connected through the supporting blocks 2, the supporting blocks 2 have elasticity, when the supporting layer 100 is bent, extrusion can also occur between the lower plate 12 on the left and the upper plate 11 on the right in the two adjacent connecting plates 1, and stress concentration between the lower plate 12 on the left and the upper plate 11 on the right can be avoided by the elastic supporting blocks 2. The supporting block 2 can play a certain buffering role on the extrusion stress between the upper plate 11 and the lower plate 12 on one hand, and on the other hand, the supporting block 2 deforms to adapt to the distance between the upper plate 11 and the lower plate 12 after extrusion. In other embodiments, the support blocks 2 may be rigid to increase the strength of the support layer 100 as a whole.
The upper plate 11 and the lower plate 12 are provided with insertion holes 1a in a penetrating manner, elastic protrusions 21 are arranged at positions, opposite to the insertion holes 1a, of the supporting blocks 2, and the protrusions 21 are inserted into the insertion holes 1 a. The upper plate 11 and the lower plate 12 are provided with the insertion holes 1a, so that the flexibility of the upper plate 11 and the lower plate 12 can be improved, and the elastic protrusions 21 are inserted into the insertion holes 1a, so that the stress concentration at the insertion holes 1a can be reduced.
The supporting layer 100 and the protrusions 21 are integrally formed, so that the strength of connection between the supporting block 2 and the protrusions 21 can be enhanced, and meanwhile, the production of the supporting block 2 and the protrusions 21 is facilitated. In other embodiments, the supporting block 2 and the protrusion 21 may be separate, and connected by adhesion or the like.
The implementation principle of the display panel of the embodiment of the application is that the whole supporting layer 100 is provided with a plurality of connecting plates 1 which are sequentially connected, and as the upper plate 11 and the lower plate 12 are connected through the sloping plate 13 in each connecting plate 1, the display module 200 and the supporting layer 100 can be bent upwards or downwards, so that double-sided bending is realized. Specifically, when the display module 200 and the support layer 100 are bent upward, the joint 14 between the upper plate 11 and the inclined plate 13 is deformed, the angle α between the inclined plate 13 and the upper plate 11 is increased, the joint 14 between the lower plate 12 and the inclined plate 13 is deformed, the angle β between the inclined plate 13 and the lower plate 12 is decreased, when the display module 200 and the support layer 100 are bent downward, the joint 14 between the upper plate 11 and the inclined plate 13 is deformed, the angle α between the inclined plate 13 and the upper plate 11 is decreased, the joint 14 between the lower plate 12 and the inclined plate 13 is deformed, and the angle β between the inclined plate 13 and the lower plate 12 is decreased.
Because the two connection parts 14 of each connection plate 1 can deform, the tiny deformation of the connection parts 14 can accumulate to form the deformation with larger degree of the display panel, the phenomenon of stress concentration during bending deformation can be avoided, and the possibility of damage to the display panel caused by bending is reduced. Wedge-shaped grooves 14a are formed in the two side faces of the connecting portion 14, so that the connecting plate 1 is convenient to deform, and the phenomenon of stress concentration is further reduced.
Example 2
Referring to fig. 4, embodiment 2 is different from embodiment 1 in that the swash plate 13 is provided with a plurality of elliptical through holes 13a, the plurality of elliptical through holes 13a are provided at intervals in the front-rear direction (the front-rear direction is perpendicular to the X-direction and the Y-direction), and the swash plate 13 is provided with the through holes 13a, so that the occurrence of stress concentration during bending deformation can be further avoided, the through holes 13a are elliptical, the stress concentration can be reduced with respect to the square through holes 13a, and the strength of the swash plate 13 can be enhanced with respect to the circular through holes 13 a.
Specifically, the long axis direction of the through hole 13a is directed to the upper plate 11 and the lower plate 12, and the middle portion of the swash plate 13 is easily deformed slightly as compared with the short axis direction of the through hole 13a is directed to the upper plate 11 and the lower plate 12, so that the stress concentration phenomenon can be reduced.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.
Claims (10)
1. The display panel is characterized by comprising a supporting layer (100) and a display module (200), wherein the supporting layer (100) comprises a plurality of supporting bars, the supporting bars are arranged in parallel and in the front-rear direction, each supporting bar comprises a plurality of connecting plates (1), each connecting plate (1) comprises an upper plate (11) and a lower plate (12) which are parallel, the upper plates (11) and the lower plates (12) are arranged in a staggered mode and are connected through inclined plates (13), included angles between each inclined plate (13) and each upper plate (11) and each lower plate (12) are obtuse angles, the connecting plates (1) are arranged in the left-right direction, the end parts of the lower plates (12) on the left side and the end parts of the upper plates (11) on the right side of the connecting plates (1) are opposite in the up-down direction and are fixedly connected, and the display module (200) is fixed on the supporting layer (100).
2. A display panel according to claim 1, characterized in that the sloping plate (13) is thick at the upper and lower ends and narrow in the middle.
3. The display panel according to claim 1, wherein wedge-shaped grooves (14 a) are formed on both sides of a joint (14) between the inclined plate (13) and the upper plate (11), and wedge-shaped grooves (14 a) are formed on both sides of a joint (14) between the inclined plate (13) and the lower plate (12).
4. The display panel according to claim 1, wherein the tilt plate (13) is provided with a plurality of elliptical through holes (13 a), and the plurality of through holes (13 a) are arranged at intervals in the front-rear direction.
5. The display panel according to claim 4, wherein the long axis direction of the through hole (13 a) is oriented toward the upper plate (11) and the lower plate (12).
6. The display panel according to claim 1, characterized in that the joints (14) of the upper plate (11), the lower plate (12) and the sloping plate (13) are rounded.
7. A display panel according to claim 1, characterized in that the lower plate (12) of the connection plate (1) on the left and the upper plate (11) of the connection plate (1) on the right are connected by means of a support block (2), which support block (2) has elasticity.
8. The display panel according to claim 7, wherein the upper plate (11) and the lower plate (12) are each provided with a through hole (1 a), the support block (2) is provided with an elastic protrusion (21) protruding at a position opposite to the through hole (1 a), and the protrusion (21) is inserted into the through hole (1 a).
9. A display panel according to claim 8, characterized in that the supporting layer (100) is provided integrally with the protrusions (21).
10. An active matrix organic light emitting diode display device comprising a display panel as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310130308.7A CN116013163B (en) | 2023-02-08 | 2023-02-08 | Display panel and active matrix organic light emitting diode display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310130308.7A CN116013163B (en) | 2023-02-08 | 2023-02-08 | Display panel and active matrix organic light emitting diode display device |
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| CN116013163A CN116013163A (en) | 2023-04-25 |
| CN116013163B true CN116013163B (en) | 2025-01-24 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114822235A (en) * | 2021-01-20 | 2022-07-29 | 三星显示有限公司 | display screen |
| CN115331558A (en) * | 2022-08-23 | 2022-11-11 | 昆山国显光电有限公司 | Display panel, preparation method thereof and display device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111866236B (en) * | 2019-04-30 | 2021-10-26 | 华为技术有限公司 | Supporting structure and foldable display device |
| CN113450654B (en) * | 2021-06-30 | 2023-04-21 | Oppo广东移动通信有限公司 | Flexible display module, manufacturing method thereof, and mobile terminal |
| CN114842755B (en) * | 2022-05-31 | 2023-10-27 | 湖北长江新型显示产业创新中心有限公司 | Support plate, display module and display device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114822235A (en) * | 2021-01-20 | 2022-07-29 | 三星显示有限公司 | display screen |
| CN115331558A (en) * | 2022-08-23 | 2022-11-11 | 昆山国显光电有限公司 | Display panel, preparation method thereof and display device |
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