CN109860119B - Display screen body and display device - Google Patents
Display screen body and display device Download PDFInfo
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- CN109860119B CN109860119B CN201910023063.1A CN201910023063A CN109860119B CN 109860119 B CN109860119 B CN 109860119B CN 201910023063 A CN201910023063 A CN 201910023063A CN 109860119 B CN109860119 B CN 109860119B
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Abstract
The embodiment of the invention provides a display screen body and a display device, wherein the display screen body comprises pixel islands which are distributed in an array; a conductive line electrically connected to the at least one pixel island, the conductive line including two or more conductive line segments; and the stress release assembly is used for connecting two adjacent lead segments, and the two adjacent lead segments absorb tensile stress through the stress release assembly. In the display screen body provided by the embodiment of the invention, the lead segments are connected with each other through the stress release assembly, and when the lead segments are subjected to tensile stress, most of the tensile stress can be absorbed through the stress release assembly, so that the tensile property of the screen body is effectively improved. Therefore, in the display screen body, the stress release assembly can absorb most of the tensile stress in the stretching process of the display screen body, and finally, little or no tensile stress is applied to the lead, so that the stretching performance of the lead can be improved, and the lead is prevented from being broken in the stretching process of the display screen body.
Description
Technical Field
The invention relates to the technical field of display equipment, in particular to a display screen body and a display device.
Background
Organic Light-Emitting diodes (OLEDs) are active Light-Emitting devices. Compared with the traditional Liquid Crystal Display (LCD) Display mode, the OLED Display technology does not need a backlight lamp and has the self-luminous characteristic. The OLED adopts a thin organic material film layer and a glass substrate, and when a current flows, the organic material can emit light. Therefore, the OLED display panel can save electric energy remarkably, can be made lighter and thinner, can endure a wider range of temperature variation than the LCD display panel, and has a larger visual angle. The OLED display panel is expected to become a next-generation flat panel display technology following the LCD, and is one of the technologies that receives the most attention among the flat panel display technologies at present.
With the development of display technology and the increasing demand of people for visual display, stretch display is in progress. However, due to the current screen body design, three sides of the screen body are provided with linear leads extending along a preset direction, and one side of the screen body is used for binding an FPC/IC, so that the stretching direction of the screen body is limited. Meanwhile, in the process that the screen body is stretched, the lead is easy to break, and the screen body is abnormal in display, invalid and even scrapped.
Therefore, a new display panel and a new display device are needed.
Disclosure of Invention
The embodiment of the invention provides a display screen body and a display device, and aims to solve the problem that a wire is easy to break in the stretching process of the screen body.
The embodiment of the invention provides a display screen body on one hand, which comprises pixel islands distributed in an array; a conductive line electrically connected to the at least one pixel island, the conductive line including two or more conductive line segments; and the stress release assembly is used for connecting two adjacent lead segments, and the two adjacent lead segments absorb tensile stress through the stress release assembly.
According to one aspect of the invention, the stress relief assembly comprises a resilient conductive member by which two adjacent wire segments are connected to each other.
According to an aspect of the present invention, the stress releasing assembly further includes a guide rod and two sliding rings respectively sleeved at two ends of the guide rod, the sliding rings are slidably disposed relative to the guide rod, the two sliding rings are respectively connected to two ends of the elastic conductive member, and two adjacent wire segments are respectively connected to the two sliding rings.
According to one aspect of the invention, the elastic conductive member is circumferentially arranged along the extending direction of the guide bar.
According to an aspect of the present invention, the stress relief assembly further comprises at least two conductive wires, two of the conductive wires are respectively connected to two of the slip rings, and the conductive wires are formed by the slip rings extending in a direction away from the elastic conductive member, and two adjacent conductive wire segments are respectively connected to two of the conductive wires.
According to one aspect of the invention, the stress relief assembly further comprises an encapsulation layer, the resilient conductive member, the guide bar and the slip ring being located within the encapsulation layer.
According to one aspect of the invention, the guide bar comprises two opposite connecting ends, the sliding ring being slidably arranged between the two connecting ends, the connecting ends being connected to the encapsulation layer.
According to one aspect of the invention, the conductive wire extends from the slip ring outside the encapsulation layer.
According to one aspect of the invention, at least two stress relief assemblies are disposed on the wire;
and/or more than two wires are arranged between two adjacent pixel islands, and the stress release assembly is arranged on at least one wire;
and/or the conducting wire extends and forms along the bent path.
The invention further provides a display device which comprises the display screen body.
In the display screen body of the embodiment of the invention, the display screen body comprises a plurality of pixel islands distributed in an array manner, and a conducting wire electrically connected with at least one pixel island. Two adjacent pixel islands can be connected through a wire to realize electrical connection or signal connection between the two adjacent pixel islands. The wire includes the wire segmentation more than two, is provided with the stress release subassembly between the wire segmentation, and the wire segmentation passes through stress release subassembly interconnect, and when the wire segmentation received tensile stress, can absorb most tensile stress through the stress release subassembly to effectively improve the tensile properties of the screen body. Therefore, in the display screen body, the stress release assembly can absorb most of the tensile stress in the stretching process of the display screen body, and finally, little or no tensile stress is applied to the lead, so that the stretching performance of the lead can be improved, and the lead is prevented from being broken in the stretching process of the display screen body.
Drawings
Other features, objects and advantages of the invention will become apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings in which like or similar reference characters refer to the same or similar parts.
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 a stress relief assembly of a display panel according to an embodiment of the present invention;
FIG. 3 is a side view of a strain relief assembly according to another embodiment of the invention;
fig. 4 is a side view of a stress relief assembly according to yet another embodiment of the present invention.
Description of reference numerals:
100. a pixel island;
200. a wire;
210. conducting wire segmentation;
300. a stress relief assembly;
310. an elastic conductive member;
320. a guide bar; 321. a connecting end;
330. a slip ring;
340. a conductive wire;
350. and (7) packaging the layer.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention. In the drawings and the following description, at least some well-known structures and techniques have not been shown in detail in order to avoid unnecessarily obscuring the present invention; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The directional terms appearing in the following description are intended to be illustrative in all directions, and are not intended to limit the specific construction of embodiments of the present invention. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as either a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
For better understanding of the present invention, the display screen body and the display device according to the embodiment of the present invention are described in detail below with reference to fig. 1.
Fig. 1 is a schematic structural diagram of a display screen according to an embodiment of the present invention, where the display screen includes pixel islands 100 distributed in an array; a conductive line 200 connected to at least one pixel island 100, the conductive line 200 including two or more conductive line segments 210; and a stress relief assembly 300 connecting the two adjacent conductor segments 210, wherein the two adjacent conductor segments 210 absorb the tensile stress through the stress relief assembly 300.
The pixel island 100 is not limited herein, and the pixel island 100 may include a TFT device layer and an OLED device layer sequentially disposed on a flexible substrate, or the pixel island 100 includes an OLED device layer disposed on a planarization layer of the TFT device layer.
The connection mode between the conductive line 200 and the pixel island 100 is not limited herein, and both opposite ends of the conductive line 200 are connected to the pixel island 100, or one end of the conductive line 200 is connected to the pixel island 100. The number of the conductive lines 200 connected to the pixel island 100 is not limited, and only one conductive line 200 may be connected to the pixel island 100, or two or more conductive lines 200 may be connected to the pixel island 100.
The number of conductor segments 210 included in one conductor 200 is not limited herein, and one conductor 200 may include two conductor segments 210, and the two conductor segments 210 are connected to each other by a stress relief assembly 300; or a conductor 200 may include more than three conductor segments 210, with more than three conductor segments 210 interconnected by more than two strain relief assemblies 300.
In the display screen body of the embodiment of the invention, the display screen body includes a plurality of pixel islands 100 distributed in an array, and further includes a conducting wire 200, where the conducting wire 200 is electrically connected to at least one of the pixel islands 100, for example, two adjacent pixel islands 100 may be connected by the conducting wire 200, so as to implement electrical connection or signal connection between two adjacent pixel islands 100. The lead 200 comprises more than two lead segments 210, the stress release assemblies 300 are arranged between the lead segments 210, the lead segments 210 are connected with each other through the stress release assemblies 300, and when the lead segments 210 are subjected to tensile stress, most of the tensile stress can be absorbed through the stress release assemblies 300, so that the tensile property of the screen body is effectively improved. Therefore, in the display panel of the present invention, during the stretching process of the display panel, the stress relief assembly 300 can absorb most of the tensile stress, and finally, little or no tensile stress is applied to the wires 200, so that the stretching performance of the wires 200 can be improved, and the wires 200 are prevented from breaking during the stretching process of the display panel.
The stress release member 300 may be disposed in various ways, for example, the stress release member 300 may be a conductive member wrapped with a flexible film. In some alternative embodiments, the strain relief assembly 300 includes a resilient conductive member 310, and two adjacent wire segments 210 are connected to each other by the resilient conductive member 310.
In these alternative embodiments, the elastic conductive element 310 has certain elasticity, and when the wire segments 210 at the two ends of the elastic conductive element 310 are subjected to tensile stress, the tensile stress can be absorbed by the elasticity of the elastic conductive element 310, so as to improve the tensile property of the wire 200 and prevent the wire 200 from breaking during the stretching process of the screen body.
The elastic conductive member 310 may be disposed in various manners, for example, the elastic conductive member 310 may be made of an elastic material, or the elastic conductive member 310 may be bent along a predetermined path, and may be deformed when the elastic conductive member 310 is stressed, so that the elastic conductive member 310 absorbs the tensile stress.
The stretching screen body in the prior art is usually formed once, can only be stretched once, and is very easy to damage when being stretched twice or more.
In order to solve the above technical problem, in some alternative embodiments, the stress releasing assembly 300 further includes a guide rod 320 and two sliding rings 330 respectively sleeved at two ends of the guide rod 320, the sliding rings 330 are slidably disposed relative to the guide rod 320, the two sliding rings 330 are respectively connected to two ends of the elastic conductive member 310, and two adjacent wire segments 210 are respectively connected to the two sliding rings 330.
In these alternative embodiments, the wire segment 210 is connected to the elastic conductive member 310 through a sliding ring 330, and the sliding ring 330 is sleeved on the guiding rod 320 and slidably disposed on the guiding rod 320.
In the above embodiment, when the display screen body is under the tensile stress, the elastic conductive member 310 is elongated under the tensile stress, the two sliding rings 330 move in the direction away from each other, and the wire segment 210 is under little or no tensile stress; when the display screen body is subjected to compressive stress, i.e. when the display screen body is restored from a stretched state, the elastic conductive member 310 is elastically deformed, and the two slip rings 330 move in a direction approaching each other, so that the wire segments 210 are only slightly disposed and are not subjected to compressive stress. Therefore, in this embodiment, under the action of the sliding ring 330 and the guide bar 320, not only the tensile property of the display screen body can be improved, but also the anti-squeezing property of the display screen body can be improved, so that the display screen body can withstand multiple times of stretching and squeezing, and the service life of the display screen body is prolonged.
The relative positions of the elastic conductive member 310 and the guide bar 320 are not limited herein, and in some alternative embodiments, the elastic conductive member 310 is circumferentially disposed in the extending direction of the guide bar 320.
In these alternative embodiments, during the process of the elastic conductive member 310 elastically deforming and the sliding ring 330 moving along the guiding rod 320, since the elastic conductive member 310 extends around the guiding rod 320, the guiding rod 320 is not subjected to the shear stress of the sliding ring 330, and the stability of the relative position between the elastic conductive member 310 and the guiding rod 320 is ensured, thereby improving the service life of the stress relieving assembly 300.
The connection between the slip ring 330 and the wire segment 210 is not limited thereto, and the slip ring 330 may be directly connected to the wire segment 210. Alternatively, in other alternative embodiments, the stress relieving assembly 300 further includes at least two conductive lines 340, the two conductive lines 340 are respectively connected to the two slip rings 330, the conductive lines 340 are formed by extending the slip rings 330 in a direction away from the elastic conductive member 310, and the two adjacent conductive line segments 210 are respectively connected to the two conductive lines 340.
In these alternative embodiments, the slip ring 330 is connected with the conductive wire 340, the slip ring 330 is connected to the conductive wire segment 210 through the conductive wire 340, during the manufacturing process of the stress relief assembly 300, the slip ring 330 and the conductive wire 340 may be connected in advance, and then the connection between the slip ring 330 and the conductive wire segment 210 may be realized through the wire connection between the conductive wire 340 and the conductive wire segment 210, so as to prevent the conductive wire segment 210 from being connected with the slip ring 330 directly, which is not easy to operate, simplify the manufacturing process of the display screen body, and improve the manufacturing efficiency of the display screen body.
In some alternative embodiments, stress relief assembly 300 further comprises an encapsulation layer 350, and resilient conductive member 310, guide bar 320, and slip ring 330 are located within encapsulation layer 350.
The specific arrangement of the encapsulation layer 350 is not limited herein, and the encapsulation layer 350 may be a flexible encapsulation layer 350, and the encapsulation layer 350 is used to absorb a part of the tensile stress; alternatively, the encapsulating layer 350 may be a rigid layer as long as the slip ring 330 can slide along the guide rod 320 in the encapsulating layer 350, and the elastic conductive member is elastically deformed in the encapsulating layer 350.
The material for manufacturing the encapsulation layer 350 is not limited herein, and when the encapsulation layer 350 is a flexible encapsulation layer 350, the encapsulation layer 350 is preferably formed by stacking one or more of a polyimide layer, a polyester layer, a magnesium fluoride layer, a zinc sulfide layer, an organic-inorganic layer stack, and the like.
In these alternative embodiments, the stress relieving assembly 300 further includes an encapsulating layer 350, and the elastic conductive member 310, the guide rod 320 and the sliding ring 330 are located in the encapsulating layer 350, so as to protect them from being damaged, and to ensure the stability of the relative positions among the elastic conductive member 310, the guide rod 320 and the sliding ring 330, and ensure the normal use of the stress relieving assembly 300.
The encapsulation layer 350 may be disposed in various ways, which are not limited herein. For example, the elastic conductive member 310, the guide bar 320 and the sliding ring 330 are located at the same layer, and the encapsulation layer 350 is disposed on the bottom layer or the top layer of the elastic conductive member 310, the guide bar 320 and the sliding ring 330. Preferably, the top layer and the bottom layer of the elastic conductive member 310, the guide bar 320 and the sliding ring 330 are provided with an encapsulation layer 350, so as to further ensure the stability of the relative positions among the elastic conductive member 310, the guide bar 320 and the sliding ring 330.
In some alternative embodiments, the guiding rod 320 includes two opposite connecting ends 321, the sliding ring 330 is slidably disposed between the two connecting ends 321, and the connecting ends 321 are connected to the packaging layer 350.
In these alternative embodiments, the two connecting ends 321 of the guiding rod 320 are connected to the packaging layer 350, which can prevent the sliding ring 330 from separating from the guiding rod 320 during the sliding process, ensure the normal use of the stress relieving assembly 300, and improve the service life of the stress relieving assembly 300.
In other alternative embodiments, the conductive lines 340 extend from the slip ring 330 outside the encapsulation layer 350.
In these alternative embodiments, a portion of the conductive wires 340 is outside the encapsulation layer 350, and the wire segments 210 can be connected to a portion of the conductive wires 340 outside the encapsulation layer 350 in a simple, convenient and easy manner.
The shape of the conductive line 200 is not limited herein as long as the conductive line 200 is connected between two adjacent pixel islands 100. In some alternative embodiments, the wire 200 is formed as a bent wire 200 extending along a meandering path.
In these alternative embodiments, the wire 200 is a bent wire 200, the bending of the wire 200 can improve the tensile property of the wire 200, and when the stress relief assembly 300 does not completely absorb the tensile stress, and a small part of the tensile stress is applied to the wire 200, the bent wire 200 has a better tensile property, and is not easily broken under the action of the small part of the tensile stress, so that the wire 200 can be further ensured not to be easily broken during the stretching process of the screen body, and the screen body can receive a larger amount of stretching.
The curved shape of the conductive lines 200 is not limited herein, and the conductive lines 200 may be formed to extend along a trapezoidal array path, or the conductive lines 200 may be formed to extend along a wavy path, etc. In these alternative embodiments, the wire 200 is formed to extend along a path having a certain regularity, which facilitates the manufacturing process of the wire 200.
A second embodiment of the present invention further provides a display device, including the display screen body according to any one of the first embodiments. Since the display device of the present invention includes the display screen body according to any of the first embodiments, the display device of the present invention has the beneficial effects of the display screen body according to any of the first embodiments, and details thereof are not repeated herein.
The display device may be a computer display screen, a mobile phone display screen, or the like, which is not limited herein. As long as the display device includes the display screen body of any of the above embodiments.
The present invention may be embodied in other specific forms without departing from its spirit or essential characteristics. For example, the algorithms described in the specific embodiments may be modified without departing from the basic spirit of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (9)
1. A display screen body is characterized by comprising
Pixel islands distributed in an array;
a conductive line electrically connected to at least one of the pixel islands, the conductive line including two or more conductive line segments;
the stress release assembly is used for connecting two adjacent lead segments, and the two adjacent lead segments absorb tensile stress through the stress release assembly;
the stress release assembly comprises elastic conductive pieces, two adjacent wire sections are connected with each other through the elastic conductive pieces, the stress release assembly further comprises a guide rod and two sliding rings respectively sleeved at two ends of the guide rod, the two sliding rings are respectively connected with two ends of the elastic conductive pieces, and the two adjacent wire sections are respectively connected with the two sliding rings.
2. The display screen body of claim 1, wherein the slip ring is slidably disposed relative to the guide bar.
3. The display screen body of claim 2, wherein the elastic conductive member is circumferentially disposed along the extending direction of the guide bar.
4. The display screen body of claim 2, wherein the stress relief assembly further comprises at least two conductive wires, two of the conductive wires are respectively connected to two of the slip rings, and the conductive wires are formed by the slip rings extending in a direction away from the elastic conductive member, and two adjacent conductive wire segments are respectively connected to two of the conductive wires.
5. The display screen body of claim 4, wherein the stress relief assembly further comprises an encapsulation layer, the resilient conductive member, the guide rods, and the slip ring being located within the encapsulation layer.
6. The display screen body of claim 5, wherein the guide bar includes two opposing connection ends, the slip ring being slidably disposed relative to the guide bar between the two connection ends, the connection ends being connected to the encapsulation layer.
7. The display screen body of claim 5, wherein the conductive lines extend from the slip ring outside the encapsulation layer.
8. The display screen body of any of claims 1-7,
at least two stress release assemblies are arranged on the lead;
and/or more than two wires are arranged between two adjacent pixel islands, and the stress release assembly is arranged on at least one wire;
and/or the conducting wire is formed along the bent path in an extending mode.
9. A display device comprising the display screen body according to any one of claims 1 to 8.
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| CN201910023063.1A CN109860119B (en) | 2019-01-10 | 2019-01-10 | Display screen body and display device |
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| CN201910023063.1A CN109860119B (en) | 2019-01-10 | 2019-01-10 | Display screen body and display device |
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| CN109860119A CN109860119A (en) | 2019-06-07 |
| CN109860119B true CN109860119B (en) | 2020-11-24 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111754878B (en) * | 2020-07-06 | 2022-04-12 | 武汉天马微电子有限公司 | Display panel and display device |
| TWI742977B (en) * | 2020-08-21 | 2021-10-11 | 友達光電股份有限公司 | Stretchable pixel array substrate |
| CN112054045B (en) * | 2020-08-26 | 2023-11-21 | 合肥维信诺科技有限公司 | Display panel and display device |
| CN112435589B (en) * | 2020-12-15 | 2022-11-01 | 合肥维信诺科技有限公司 | Display panel and display terminal |
| CN113345326B (en) * | 2021-05-17 | 2022-12-09 | 武汉天马微电子有限公司 | Stretchable display panel and stretchable display device |
| CN113990193A (en) * | 2021-10-29 | 2022-01-28 | 昆山工研院新型平板显示技术中心有限公司 | Flexible display panel and flexible display screen |
| CN114170899B (en) * | 2021-11-24 | 2023-07-25 | 武汉华星光电半导体显示技术有限公司 | Display panel, preparation method thereof and mobile terminal |
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| TWI419094B (en) * | 2010-09-10 | 2013-12-11 | Au Optronics Corp | Flexible display panel |
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