CN110085128B - Display panel and display device - Google Patents
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- CN110085128B CN110085128B CN201910439078.6A CN201910439078A CN110085128B CN 110085128 B CN110085128 B CN 110085128B CN 201910439078 A CN201910439078 A CN 201910439078A CN 110085128 B CN110085128 B CN 110085128B
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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
- G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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Abstract
The invention discloses a display panel and display equipment, relates to the technical field of display, and achieves the purposes of improving the bending performance of foldable display equipment, not influencing the integral resolution of the display equipment and ensuring the display effect of the display equipment. The main technical scheme of the invention is as follows: the display panel comprises a display panel body, a first display panel and a second display panel, wherein the display panel body comprises a first area and a second area, and the first area comprises a plurality of holes penetrating through the display panel body; the data line driving unit is correspondingly arranged in each second area, is used for generating data signals and provides the data signals to the data lines.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display panel and display equipment.
Background
With the continuous development of display technology, portable display devices such as mobile phones and tablet computers can be seen everywhere in life, and the display screen of the enlarged display device can improve the visual enjoyment of users, but the portability of the display device can be affected by the enlargement of the display screen, so that the display device with a foldable screen is produced.
Collapsible display device among the prior art can adopt single flexible display panel, but conventional flexible display panel usually has the radius ratio of buckling great, and thickness occupation space is more, can't satisfy the demand of ultra-thin display device design, if will buckle the radius and reduce by force, will appear that display panel rete fracture, fracture and metal walk the condition such as line fracture and take place, influence display device's normal use. Can improve flexible display panel's tensile, the performance of buckling through setting up the trompil structure, but the setting of trompil structure has reduced the usable space of data line on the display panel, can lead to display panel's resolution ratio to reduce, influences display device's display effect promptly.
Therefore, how to improve the bending performance of the foldable display panel on the premise of ensuring that the overall resolution of the display panel is not affected is a problem to be solved urgently.
Disclosure of Invention
In view of this, embodiments of the present invention provide a display panel and a display device, and mainly aim to improve the bending performance of a foldable display device, and ensure the display effect of the display device without affecting the overall resolution of the display device.
In order to achieve the purpose, the invention mainly provides the following technical scheme:
in one aspect, an embodiment of the present invention provides a display panel, including: the display panel comprises a display panel body, a first display panel and a second display panel, wherein the display panel body comprises a first area and a second area, and the first area comprises a plurality of holes penetrating through the display panel body; the data line driving unit is correspondingly arranged in each second area, is used for generating data signals and provides the data signals to the data lines.
Optionally, the data line driving unit is correspondingly disposed at a first side of each of the second regions; the first side of the second area is a side far away from the first area.
Optionally, each data line is connected to the corresponding second region, and the tail end of a part of the data lines is connected to the first region.
Optionally, the aperture divides the first region into a plurality of islands connected by a bridge; wherein the island is used for arranging the light emitting device, and the bridge is used for arranging the data line.
Optionally, the display panel body is a flexible display panel, and the first region corresponds to the folding region of the display panel body.
Optionally, a straight line parallel to any direction of the display panel body passes through at least one of the openings.
Optionally, the area occupied by the plurality of openings in the first region is not greater than the area of the non-opening region.
Optionally, the plurality of openings are uniformly distributed in the first area, and the size and the shape of the plurality of openings are equal.
Optionally, the cross-sectional shape of the opening is rectangular; the length directions of the rectangular cross sections of the openings adjacent in the first direction and the second direction are perpendicular to each other.
On the other hand, an embodiment of the present invention further provides a display device, where the display device includes: display device body and above-mentioned display panel.
According to the display panel and the display device provided by the embodiment of the invention, the opening is arranged in the first area, and when the first area is bent, the opening can provide effective deformation, so that the first area can generate a deformation degree greater than the material characteristic of the first area, the bending radius of the display panel is reduced to a certain degree, and the bending and stretching performances of the display panel are improved; the second area is a non-perforated area, the data line driving unit is arranged in each second area, the second area can be connected with each data line driven by the data line driving unit, only the tail ends of part of the data lines are connected to the second area, and the display effect of the second area can be ensured, namely the large-area display area of the display panel maintains high pixel density. The display panel has good stretching and bending performance locally, and the overall display effect of the display panel is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
fig. 4 is a schematic view of an opening structure of a display panel according to an embodiment of the invention;
FIG. 5 is a schematic view of an opening structure of another display panel according to an embodiment of the present invention;
fig. 6 is a schematic view of an opening structure of another display panel according to an embodiment of the invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the display panel and the display device according to the present invention, with reference to the accompanying drawings and preferred embodiments, will be made to the following detailed description of the embodiments, structures, features and effects thereof.
Example one
As shown in fig. 1 to 6, a display panel according to a first embodiment of the present invention includes: the display panel comprises a display panel body 1, wherein the display panel body 1 comprises a first area 101 and a second area 102, and the first area 101 comprises a plurality of holes 2 penetrating through the display panel body 1; the data line driving unit 3 is disposed in each of the second regions 102 corresponding to the plurality of data lines 4, and the data line driving unit 3 generates a data signal and supplies the data signal to the plurality of data lines 4.
The display panel body 1 can be a flexible display panel in the prior art, can be bent to realize the folding function of the display device, and the display panel body 1 can also be a non-flexible display panel in the prior art; the following description will be made by taking the display panel body 1 as a flexible display panel, where the display panel body 1 includes a first region 101 and a second region 102, the first region 101 may be a folding region of the flexible display panel body 1, and the corresponding second region 102 may be an unfolding region, when one first region 101 is provided, the second region 102 may be provided on one side thereof, the second regions 102 may be provided on both sides thereof, or a plurality of first regions 101 may be provided, and the display panel body 1 may be bent by the first regions 101. The display panel is characterized in that a plurality of holes 2 penetrating through the display panel are formed in the first area 101, namely, the holes 2 are designed in the folding area of the flexible display panel body 1, the holes 2 can be through holes penetrating through all structural layers of the display panel body 1, and the holes 2 can provide a certain deformation amount when the first area 101 is folded, so that the stress generated when the first area 101 is bent can be reduced, on one hand, elements arranged in the first area 101 can be protected, and the elements are prevented from being damaged due to overlarge stress generated when the elements are bent; on the other hand, the first region 101 can be deformed more than the material characteristics thereof, the flexibility of the first region 101 is improved, the bending radius of the display panel body 1 can be reduced under the condition that the first region 101 is not broken or damaged, the overall thickness of the display panel body 1 after being bent is reduced, and the light and thin requirements of the display device are met. The shape of the opening 2 may be any regular or irregular shape of a rectangular or circular lamp, and the size, number, arrangement and the like of the opening 2 are not specifically limited herein, so as to ensure that the first region 101 has good stretching and bending properties and is not easy to break.
When the data line driving units 3 are disposed in each of the second regions 102, and the second regions 102 are disposed on both sides of the first region 101, the data line driving units 3 are disposed in the second regions 102 corresponding to the two data line driving units 3, respectively, so as to realize bidirectional driving of the display panel body 1. The data lines 4 connected by the data line driving unit 3 are arranged at intervals in a first direction (X direction) of the display panel body 1, the display panel body 1 further includes gate lines 5 arranged at intervals in a second direction (Y direction), and a pixel region is formed at the intersection of two adjacent data lines 4 and two adjacent gate lines 5. Display panel body 1 among the prior art all adopts unilateral drive, set up a data line drive unit 3 promptly, after setting up trompil 2 structure, because trompil 2 structure occupies the usable space of data line 4, the quantity of the data line 4 of 2 regional connections in trompil will reduce, and the quantity of the data line 4 of the display panel body 1 connection of one-way drive can only be according to the 4 quantity decisions of data line that 2 regions in trompil can set up, can lead to the quantity that the holistic data line 4 of display panel body 1 connects to reduce, thereby reduce the holistic pixel density of display panel body 1, can influence the definition that display panel body 1 shows promptly. The utility model provides a set up two-way driven display panel body 1, the aforesaid is through setting up data line drive unit 3 respectively in two second regions 102, many data lines 4 are connected to data line drive unit 3, many data lines 4 all are connected with second region 102, and according to the condition that sets up of trompil 2 in first region 101, only with the tail end and the first region 101 of partial data line 4 be connected can, it has higher pixel density to set up like this and to guarantee that display panel body 1 large tracts of land display area has, display quality requirement for a large scale of display panel body 1 has been satisfied.
In the display panel provided by the first embodiment of the invention, the first region is provided with the opening, and the opening can provide effective deformation when the first region is bent, so that the first region can generate a deformation degree greater than the material characteristic of the first region, the bending radius of the display panel is reduced to a certain degree, and the bending and stretching performances of the display panel are improved; the second area is a non-perforated area, the data line driving unit is arranged in each second area, the second area can be connected with each data line driven by the data line driving unit, only the tail end of part of the data lines is connected to the second area, and the display effect of the second area can be ensured, namely the large-area display area of the display panel maintains high pixel density. The display panel has good tensile and bending performance locally, and meanwhile, the good display effect of the whole display panel is guaranteed.
Specifically, the data line driving unit 3 is correspondingly disposed at a first side of each second region 102; the first side of the second region 102 is a side far from the first region 101. The data line driving unit 3 may be disposed in the non-display region of the display panel body 1, and the data line driving unit 3 may be optimally disposed on the side of the second region 102 away from the first region 101 based on the arrangement of the data lines 4 in the display panel body 1. Specifically, based on the above-mentioned situation that the first region 101 is a folding region of the display panel body 1, two sides of the first region 101 are respectively provided with non-folding regions, that is, the second regions 102, and the second regions 102 on two sides are respectively provided with the data line driving units 3, so as to realize bidirectional driving of the display panel body 1, the plurality of data lines 4 connected to the data line driving units 3 are arranged at intervals in the first direction (X direction) of the display panel body 1, and form a pixel region with the gate lines 5 arranged at intervals in the second direction (Y direction). Specifically, the driving of the gate line 5 may be bidirectional driving (as shown in fig. 2) or unidirectional driving (as shown in fig. 1), and is not limited in particular here. The data line driving unit 3 is connected to the beginning end of each data line 4, each data line 4 is connected to the corresponding second region 102, the end of a part of the data lines 4 is connected to the first region 101, and the number of the data lines 4 connected to the first region 101 depends on the arrangement of the openings 2 of the first region 101, which is not limited herein.
Specifically, as shown in fig. 3, after the first region 102 is provided with the opening, the opening 2 divides the first region 101 into a plurality of islands 7 connected by bridges 6; wherein the islands 7 are used for arranging the light emitting devices 8 and the bridges 6 are used for arranging said data lines 4. The openings 2 are formed in the first region 101 to improve the stretching and bending performance of the first region 101, the openings 2 divide the first region 101 into a plurality of islands 7 in which the light emitting devices 8 can be disposed, adjacent islands 7 are connected by the bridge 6, the data lines 4 can be disposed on the upper portion of the bridge 6, and the arrangement form, number, size and the like of the islands 7 and the bridges 6 in the first region 101 are determined by the arrangement of the openings 2 in the first region 101.
Specifically, the display panel body 1 is a flexible display panel, and the first region 101 corresponds to a folding region of the display panel body 1. Display panel body 1 is arbitrary flexible display panel among the prior art, it can be along predetermineeing the region and folding the use, this predetermine the region and can be first region 101 in this application, so at first region 101, the folding region of flexible display panel body 1 sets up a plurality of trompils 2 promptly, can improve the deformation degree of the folding region of display panel body 1, make the folding region produce the deformation degree that is greater than its material characteristic, thereby improve the tensile of display panel body 1, the bending property, and can also play the effect of its internal component of protection through reducing the stress that buckles and produce. The folding area of the flexible display panel body 1 may be one, or a plurality of folding areas may be provided, that is, the display panel body 1 may be folded along a plurality of areas for use, so as to improve the portability of the display panel body 1, and the number of the corresponding first areas 101 may be one or a plurality of, which is not specifically limited herein.
The openings 2 may be arranged in various specific forms, specifically, taking the shape of the openings 2 as a rectangle as an example, as shown in fig. 4, the openings 2 may be uniformly arranged at certain intervals along both the first direction (X direction) and the second direction (Y direction), when the first region 101 is bent, the ab position along the first direction (X direction) is provided with a plurality of openings 2, and the openings 2 can provide a larger deformation amount for the ab position of the first region 101, so the stretching performance of the ab position is better, and the cd position along the first direction (X direction) is not provided with the openings 2, and the deformation amount during bending is limited, so that there is a risk of easy fracture, so the arrangement form of the openings 2 as shown in fig. 4 cannot meet the requirement of good bending performance of the first region 101. Therefore, when the openings 2 are provided, the first region 101 should be bent in all directions or all regions when the first region is bent in one direction are provided with the openings 2, and optimally, the arrangement of the openings 2 in the first region 101 needs to satisfy: a straight line parallel to any direction of the display panel body 1 passes through at least one opening 2, for example: can make trompil 2 all evenly just all stagger according to certain interval along first direction (X direction) and second direction (Y direction) and arrange, as shown in fig. 5, trompil 2 all staggers in first direction (X direction) and second direction (Y direction) and arranges, can guarantee that display panel body 1 can both pass through at least one trompil 2 along arbitrary direction bending. The arrangement form of the open hole 2 can ensure that when the first region 101 is bent along any direction, at least one open hole 2 can provide deformation, the deformation of the first region 101 can be increased to a certain degree, the possibility of breakage and damage of the display panel body 1 is reduced, the display panel body 1 and internal elements can be effectively protected, and the service life of the display panel body 1 is prolonged.
When the opening 2 is formed, it is obvious that increasing the number of the openings 2 and the size of the openings 2 is beneficial to increasing the deformation amount of the openings 2 provided when the display panel body 1 is bent, that is, the deformation degree of the display panel body 1 can be increased, but the strength of the first region 101 can be reduced by increasing the number and size of the openings 2, and the display panel body 1 is easy to break. Therefore, when the holes 2 are specifically arranged, it is required to ensure that the area occupied by the holes 2 in the first region 101 is smaller than the area of the non-hole region, or the area occupied by the holes 2 in the first region 101 can also be equal to the area of the non-hole region, so that the first region 101 of the display panel body 1 can be ensured to have good stretching and bending performance, and meanwhile, the first region 101 can be ensured to have reliable strength, and is not easy to break and damage in the bending process.
The arrangement of the opening 2 can provide a certain amount of deformation when the first region 101 is bent, and optimally, when the display panel body 1 is bent through the first region 101, the bending deformation and the stress applied to each part in the first region 101 are equal, so that the stress generated when the first region 101 is bent is uniformly distributed, and the damage of internal elements of the first region 101 or the breakage of the display panel body 1 caused by the stress concentration of the certain region is avoided. Therefore, when the openings 2 are disposed, the openings 2 may be uniformly distributed in the first region 101, and the sizes and shapes of the openings 2 are all equal, the specific shape of the opening 2 may be circular, rectangular, hexagonal, etc., and the size of the opening 2 is set according to the actual situation, which is not specifically limited herein.
As shown in fig. 5 and 6, the cross-sectional shape of the opening 2 may be rectangular; specifically, when the rectangular openings 2 are arranged, the specific arrangement mode may be: the length directions of the rectangular cross sections of the adjacent openings 2 in the first direction (X direction) and the second direction (Y direction) are perpendicular to each other, as shown in fig. 6, that is, the rectangular openings in the first direction (X direction) are the rectangular openings 2 arranged along the Y direction and the rectangular openings 2 arranged along the X direction, similarly, the rectangular openings 2 in the second direction (Y direction) are also the rectangular openings 2 arranged along the Y direction and the rectangular openings 2 arranged along the X direction, so that the length directions of the two adjacent openings 2 are perpendicular to each other, and the size of each rectangular opening 2 is equal and the distribution is uniform, on one hand, the arrangement mode that the openings 2 are staggered in the first direction (X direction) and the second direction (Y direction) can make the bending deformation amount and the stress of each portion in the first area equal, and satisfy the above-mentioned "a straight line parallel to any direction of the display panel body 1 passes through at least one opening 2", the bendable and stretchable performance of the first region 101 can be effectively guaranteed, and the display panel body 1 and elements inside the display panel body are protected; on the other hand, the intersection of the openings 2 in the two adjacent rows of the first direction (X direction) and the openings 2 in the two adjacent columns of the second direction (Y direction) can form an island 7, that is, a setting area of the light emitting device 8, and the setting of the island 7 is regular and is uniformly distributed, which is convenient for the setting of the light emitting device 8 and the arrangement of the data lines 4.
Example two
An embodiment of the present invention provides a display device, including: display device body and above-mentioned display panel.
The display device body is an electronic device with a display function in the prior art, for example: the mobile phone, the tablet computer, the notebook computer, the watch and the like are devices, and the display panel is applied.
The second embodiment of the invention provides a display device, wherein the first area of the display panel is provided with the opening, and the opening can provide effective deformation when the display panel is bent, so that the first area can generate a deformation degree greater than the material characteristic of the first area, the bending radius of the display device is reduced to a certain degree, and the light and thin design requirement of the display device is met; the second area is a non-hole-opening area of the display panel, the data line driving unit is arranged in each second area, the second area can be connected with each data line driven by the data line driving unit, only the tail end of part of the data lines is connected to the second area, and the display effect of the second area can be ensured, namely the large-area display area of the display panel maintains high pixel density. The display device has good stretching and bending performance locally, and the overall display effect of the display device is ensured.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. A display panel, comprising:
the display panel comprises a display panel body, a first display panel and a second display panel, wherein the display panel body comprises a first area and second areas arranged on two opposite sides of the first area, and the first area comprises a plurality of openings penetrating through the display panel body;
the data line driving unit is correspondingly arranged at the first side edge of each second area, is used for generating data signals and provides the data signals for the data lines;
the first side of the second area is a side far away from the first area, each data line is connected with the corresponding second area, and the tail end of part of the data lines is connected with the first area.
2. The display panel according to claim 1,
the opening divides the first area into a plurality of islands connected by bridges;
wherein the island is used for arranging a light emitting device, and the bridge is used for arranging the data line.
3. The display panel according to claim 1,
the display panel body is a flexible display panel, and the first area corresponds to the folding area of the display panel body.
4. The display panel according to claim 1,
a straight line parallel to any direction of the display panel body passes through at least one of the openings.
5. The display panel according to claim 1,
the area occupied by the plurality of openings in the first region is not larger than the area of the non-opening region.
6. The display panel according to claim 1,
the openings are uniformly distributed in the first area, and the sizes and the shapes of the openings are equal.
7. The display panel according to claim 6,
the cross section of the opening is rectangular;
the length directions of the rectangular cross sections of the openings adjacent in the first direction and the second direction are perpendicular to each other.
8. A display device, comprising:
a display device body;
the display panel according to any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910439078.6A CN110085128B (en) | 2019-05-24 | 2019-05-24 | Display panel and display device |
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| CN201910439078.6A CN110085128B (en) | 2019-05-24 | 2019-05-24 | Display panel and display device |
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| CN110085128A CN110085128A (en) | 2019-08-02 |
| CN110085128B true CN110085128B (en) | 2022-05-17 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111243442B (en) * | 2020-03-13 | 2021-12-21 | 京东方科技集团股份有限公司 | Display panel and curved surface display device |
| CN111710245B (en) | 2020-07-17 | 2022-05-20 | 京东方科技集团股份有限公司 | Flexible display panel, preparation method thereof, display device and display module |
| TWI788844B (en) * | 2021-05-13 | 2023-01-01 | 達運精密工業股份有限公司 | Foldable metal back panel |
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| CN110085128A (en) | 2019-08-02 |
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