CN109686253B - Wiring structure and stretchable display device - Google Patents
Wiring structure and stretchable display device Download PDFInfo
- Publication number
- CN109686253B CN109686253B CN201910016933.2A CN201910016933A CN109686253B CN 109686253 B CN109686253 B CN 109686253B CN 201910016933 A CN201910016933 A CN 201910016933A CN 109686253 B CN109686253 B CN 109686253B
- Authority
- CN
- China
- Prior art keywords
- wire
- positioning pin
- substrate
- wiring structure
- stretched
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
Abstract
An embodiment of the present invention provides a wiring structure and a stretchable display device, including: a substrate; at least one curved conductive line on the substrate; a locator pin member on the substrate through which the wire extends, the locator pin member locating movement of the wire when the substrate is stretched or compressed, the locator pin member limiting or guiding a path of movement of the wire in at least one direction. According to the invention, by arranging the bent lead and the positioning pin component, the matching degree of the lead which is stretched along with the substrate is improved, and the capability of restoring the lead to the original shape when the substrate is compressed is improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of display, in particular to a wiring structure and a stretchable display device.
Background
An OLED (Organic Light-Emitting Diode) is called an Organic electroluminescent Diode. The OLED display technology has many advantages, such as full solid state, active light emission, high contrast, ultra-thin, low power consumption, fast effect speed, wide working range, and easy implementation of flexible display and 3D display, and is currently applied to many display devices, for example, televisions and mobile devices.
Flexible OLEDs refer to flexible organic light emitting diodes that are manufactured on a flexible substrate and run on the flexible substrate. Flexible OLEDs are more flexible, lighter and thinner than traditional rigid OLEDs, enabling foldable, rollable display technologies. With the intensive research on flexible OLED technology, the concept of a tensile display technology is proposed. The stretchable display technology enables the display screen to be bent in two directions, and the display screen can be elongated without affecting the resolution and can finally return to the original shape. The stretchable display technology is one of the important front directions in the next generation display technology.
There are places where the performance of prior art stretchable display devices needs to be improved.
Disclosure of Invention
The present invention provides a wiring structure including: a substrate; at least one curved conductive line on the substrate; a locator pin member on the substrate through which the wire extends, the locator pin member locating movement of the wire when the substrate is stretched or compressed, the locator pin member limiting or guiding a path of movement of the wire in at least one direction.
The invention also provides a stretchable display device which comprises the wiring structure.
Compared with the prior art, the technical scheme provided by the embodiment of the invention has the following advantages:
the invention provides a wiring structure for a stretchable device with excellent structural performance, which comprises at least one bent lead wire positioned on a substrate, wherein the bent lead wire provides allowance for the stretching of the lead wire, and a positioning pin component positioned on the substrate, wherein the lead wire extends through the positioning pin component, the positioning pin component has a positioning effect on the movement of the lead wire when the substrate is stretched or compressed, and the movement path of the lead wire is limited or guided in at least one direction. By arranging the positioning pin component, the moving path of the stretched or compressed wire is limited or guided by the positioning pin component, so that the wire does not move randomly any more, and the matching degree of the stretched degree of the wire and the stretched degree of the substrate is high when the substrate is stretched, thereby well solving the matching problem of the wire and the substrate during stretching and preventing the wire from being damaged due to the fact that the stretched degree of the wire cannot follow the stretched degree of the substrate; furthermore, during compression of the substrate after stretching, the path along which the wire is compressed is also planned by the locating pin members, so that the wire is compressed back to an unstretched shape. Therefore, the invention well solves the matching problem between the conducting wire and the substrate in the stretching or compressing process.
In addition, the positioning pin member includes a first positioning pin portion that restricts a moving path of the wire in a first direction and guides the moving path of the wire in a second direction, and a second positioning pin portion that guides the moving path of the wire in the first direction and restricts the moving path of the wire in the second direction. The first positioning pin part and the second positioning pin part limit and guide the moving path of the lead in different directions, and the first positioning pin part and the second positioning pin part are matched with each other, so that the capability of the lead to be stretched along with the substrate is further improved, and the lead can be lengthened in the same length when the substrate is stretched; and, when the substrate is compressed, the ability of the wire to return to the unstretched shape is further facilitated.
In addition, the bending convex points of the wires penetrate through the first positioning pin parts, and the bending concave points of the wires penetrate through the second positioning pin parts, so that the degree of the wires stretching along with the substrate is improved to the maximum extent, and the capability of the wires recovering to the shape before stretching is further improved.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a schematic top view of a wiring structure according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view taken along AA1 in FIG. 1;
FIG. 3 is a schematic top view of the wiring structure shown in FIG. 1 stretched in the Y-direction;
fig. 4 is a schematic top view of a wiring structure according to another embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view taken along the direction BB1 in FIG. 4;
FIG. 6 is a schematic cross-sectional view taken along line CC1 in FIG. 4;
FIG. 7 is a schematic top view of the wiring structure shown in FIG. 4 stretched in the Y-direction;
fig. 8 is a schematic top view of a wiring structure according to another embodiment of the present invention;
fig. 9 is a schematic top view of the wiring structure shown in fig. 8 stretched in the Y direction.
Detailed Description
As is known from the background art, there are places where the performance of prior art stretchable display devices needs to be improved.
The analysis shows that the stretchable display device comprises a screen body AA (Active Area) Area and a wire Area surrounding the screen body AA Area, wherein the wire Area is provided with four-side wires, the three-side wires are electrically connected with the screen body AA Area and are all straight lines, and the other side wire is used for binding an FPC (flexible printed circuit) or an IC (integrated circuit). When the AA area of the screen body is stretched, the linear wires cannot be correspondingly stretched and matched, and if the AA area of the screen body is forcibly stretched or the stretched length of the AA area of the screen body is longer, the wires in the wire area can be damaged, so that the problem of open circuit is caused, therefore, the wires in the wire area cannot be matched with the stretching degree of the AA area of the screen body during stretching at present, and the stretching distance of the stretchable display device is limited.
Further analysis shows that the straight line lead of the lead area is provided with a bent lead, so that the lead can be ensured to have allowance along with stretching of the AA area of the screen body. However, when the screen body AA area is stretched or compressed, the stretching moving direction or the compressing moving direction of the lead is disordered, so that the stretched degree of the lead is difficult to match with the screen body AA area, and during the stretching of the screen body AA area, the actually stretched degree of the lead is easily not equal to the stretched degree of the screen body AA area, so that the lead is damaged or even broken; moreover, the degree of compression of the wire is also difficult to match with the degree of compression of the screen body AA area, so that when the screen body AA area recovers the original shape, the wire is difficult to recover to the original state due to disordered moving directions of the wire, the performance of the wire is affected, and even unnecessary electrical connection between the wire and other components may occur.
In order to solve the above problem, an embodiment of the present invention provides a wiring structure, including a substrate; at least one curved conductive line on the substrate; a locator pin member on the substrate through which the wire extends, the locator pin member locating movement of the wire when the substrate is stretched or compressed, the locator pin member limiting or guiding a path of movement of the wire in at least one direction. The matching problem between base plate and the wire when solution that can be fine is tensile base plate works as when wiring structure is arranged in the display device that can stretch, can improve the wire is by the degree of stretching and the display screen by the uniformity between the degree of stretching, and when compression display screen the wire can the reconversion, avoids appearing the wire and takes place the problem that unnecessary electricity is connected with other parts.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
Fig. 1 is a schematic top view of a wiring structure according to an embodiment of the present invention.
Referring to fig. 1, the present embodiment provides a wiring structure including: a substrate 100, at least one bent wire 101 located on the substrate 100; a locating pin member on the substrate 100 through which the wire 101 extends, the locating pin member locating movement of the wire 101, the locating pin member limiting or guiding a path of movement of the wire 101 in at least one direction when the substrate is stretched or compressed.
The wiring structure provided in the present embodiment will be described in detail below with reference to the drawings.
The wiring structure 100 is used in a stretchable device, for example, in a stretchable display device, such as a stretchable OLED display device, a stretchable Micro LED display device, or a stretchable LCD display device.
Accordingly, the substrate 100 is a stretchable substrate, and compressing the substrate 100 after stretching the substrate 100 can restore the substrate 100. The material of the substrate 100 is a material having elasticity and ductility. The material of the substrate 100 includes Polyethylene (PE), polypropylene (PP), Polystyrene (PS), polyethylene terephthalate (PET), polyethylene naphthalate (PEN), or Polyimide (PI). The substrate 101 may also be an ultra-thin glass substrate, the thickness of which is less than or equal to 50 μm.
The conductive lines 101 are independent of the substrate 100. In this embodiment, the conductive wires 101 are suspended above the substrate 100. In other embodiments, the conductive lines may also be located on the substrate surface.
In the present embodiment, the number of the bent wires 101 is three as an example. In other embodiments, the number of the bent wires is any number, such as one, five or eight, according to the actual electrical connection requirement.
The bent conductive line 101 has a plurality of bent bumps 11 and a plurality of bent pits 12, and adjacent bent bumps 11 are separated by one bent pit 12. It should be noted that the curved convex points 11 and the curved concave grooves 12 are comparative.
In this embodiment, the shape of the bent wire 101 is regular wave-shaped, wherein the peak position is the bent convex point 11, and the valley position is the bent concave point 12. The curved wire 101 has a wave shape with a peak value equal to a peak value of a trough; since the bent wire 101 has a regular shape, it is advantageous to improve the ability of the wire 101 to return to its original shape after the bent wire 101 is stretched. .
The radius of curvature of the wire 101 should not be too large. If the radius of curvature of the wire 101 is too large, the positioning pin member has a low positioning capability for the movement of the wire 101, that is, the movement path of the wire 101 is limited or guided by the positioning pin member. For this reason, in the present embodiment, the radius of curvature of any point on the wire 101 is less than or equal to 10 mm.
It should be noted that, in other embodiments, the shape of the curved conducting wire may also be a triangular waveform, a square waveform, or other irregular waveforms.
The positioning pin member positions the movement of the wire 101, and restricts or guides the movement path of the wire 101 in at least one direction when the substrate 100 is stretched or compressed. Therefore, during the process of stretching or compressing the wire 101, the wire 101 is subjected to a limiting action or a movement guiding action from at least one direction, so that the path of the wire 101 is no longer disordered but planned in at least one direction when the wire 101 is stretched or compressed, therefore, the wire 101 can be stretched or compressed well following the substrate 100, the matching between the stretching degree of the wire 101 and the stretching degree of the substrate 100 is improved, the matching between the compressing degree of the wire 101 and the compressing degree of the substrate 100 is improved, the probability of breaking the wire 101 is reduced, and the wire 101 is prevented from being broken.
Specifically, in the present embodiment, the positioning pin member restricts the moving path of the wire 101 in the first direction, and guides the moving path of the wire 101 in the second direction. In order to increase the length of the wire 101 that can be stretched to the maximum, in this embodiment, the first direction is perpendicular to the second direction, where the first direction is the X direction and the second direction is the Y direction.
In this embodiment, the extending direction of the conductive line 101 is the same as the second direction.
Referring to fig. 2, in fig. 2, which is a schematic cross-sectional view along the direction AA1 in fig. 1, in this embodiment, the positioning pin member is a first positioning pin portion 102 fixed on the substrate 100, the first positioning pin portion 102 limits the moving path of the conductive wire 101 along a first direction, and guides the moving path of the conductive wire 101 along a second direction.
Specifically, the first positioning pin portion 102 includes: a first positioning pin body 112 fixed on the substrate 100, a first positioning hole 113 penetrating the first positioning pin body 112 in the second direction, and the wire 101 extending through the first positioning hole 113.
In this embodiment, in a cross section perpendicular to the second direction, the cross-sectional shape of the first positioning hole 113 is circular, and the cross-sectional area of the conductive wire 101 is smaller than the cross-sectional area of the first positioning hole 113, so that the conductive wire 101 passing through the first positioning hole 113 can move in the second direction.
In other embodiments, in a cross section perpendicular to the second direction, the cross section of the first positioning hole may be triangular, square, hexagonal, octagonal, or the like, and the cross section of the first positioning hole may be irregular, so as to ensure that the wire can move in the second direction in the first positioning hole.
The number of the first positioning pin portions 102 is plural, and for the first positioning pin portions 102 on the same wire 101, the arrangement direction of the plural first positioning pin portions 102 is the same as the second direction. In this embodiment, the plurality of first positioning pins 102 are arranged at intervals along the Y direction. When the substrate 100 is stretched to a certain extent, the plurality of first positioning pin portions 102 are aligned with each other, so that the lead wire 101 can be stretched linearly, and the extent to which the lead wire 101 can be stretched is increased to the maximum.
The bending convex point 11 or the bending concave point 12 is arranged in the first positioning pin part 102 in a penetrating way. This has the advantage that the bending peaks 11 and the bending valleys 12 move a greater amount relative to the rest of the wire 101 when the wire 101 is stretched or compressed, and therefore the uncertainty of the position of the movement of the bending peaks 11 and the bending valleys 12 is greater; for this reason, the first positioning pin 102 is used to limit the moving path of the conductive wire 101 in the first direction at the bending convex point 11 or the bending concave point 12 and guide the moving path of the conductive wire 101 in the second direction, thereby facilitating to maximally improve the matching between the degree of stretching the conductive wire 101 and the degree of stretching the substrate 100 and improving the ability of the conductive wire 101 to return to its original shape.
In this embodiment, the bent bumps 11 of the wires 101 extend through the first positioning holes 113.
Fig. 3 is a schematic top view of the wiring structure shown in fig. 1, which is stretched in the Y direction.
Referring to fig. 3, the substrate 100 is stretched in the Y direction, and the wires 101 on the substrate 100 are also stretched accordingly; and during the stretching process, the first positioning pin part 102 positions the stretching line of the wire 101. Specifically, during the drawing process, the distance between the adjacent first positioning pin parts 102 is increased from a first length W1 (refer to fig. 1) to a second length W1, the first positioning pin body 112 limits the moving path of the wire 101 in the X direction, and the first positioning hole 112 guides the wire 101 passing through the inside thereof to move in the Y direction; during the movement of the wire 101, the gradual decrease in curvature of the wire 101 may even tend to be linear.
When the stretched substrate 100 is compressed in the Y direction, the wires 101 on the substrate 100 are also compressed therewith; also, the first positioning pin part 102 positions the compressed line of the wire 101 during the compression process. Specifically, the first positioning pin bodies 112 limit the moving path of the wires 101 in the X direction, and the distance between the adjacent first positioning pin portions 102 is shortened, so that the wires 101 positioned between the adjacent first positioning pin portions 102 are in a loose state, and the first positioning holes 112 limit the moving path of the wires 101 in the X direction, and thus the curvature of the wires 101 between the adjacent first positioning pin portions 102 is gradually increased until the original shape is restored during the compression process.
In the wiring structure provided by this embodiment, the first positioning pin 102 is disposed on the substrate 100, and the wire 101 is inserted into the first positioning pin 102, when the substrate 100 is stretched or compressed, the first positioning pin 102 limits the moving path of the wire 101 in the X direction, and guides the moving path of the wire 101 in the Y direction, so that the moving path of the wire 101 has directionality and is related to the degree of stretching or compressing of the substrate 100, thereby reducing the probability of the wire 101 being damaged during stretching or compressing of the substrate 100, and ensuring that the wire 101 has excellent electrical connection capability.
Fig. 4 is a schematic top view of the wiring structure according to another embodiment of the present invention.
In this embodiment, the wiring structure includes: a substrate 200; at least one bent wire 201 on the substrate 200; a dowel member on the substrate 200 through which the wire 201 extends, the dowel member having a function of positioning movement of the wire 201, the dowel member limiting or guiding a path of movement of the wire 201 in at least one direction when the substrate 200 is stretched or compressed.
The wiring structure provided in the present embodiment will be described in detail below with reference to the drawings.
For a detailed description of the substrate 200 and the conductive wires 201, reference may be made to the corresponding description of the previous embodiment, which is not repeated herein.
In this embodiment, the curved conductive line 201 has a plurality of curved protruding points 21 and a plurality of curved recessed points 22.
Unlike the previous embodiment, in the present embodiment, the positioning pin member restricts the moving path of the wire 201 in the second direction, and guides the moving path of the wire 201 in the first direction. In order to maximize the degree to which the wire 201 can be stretched, in the present embodiment, the first direction is perpendicular to the second direction, and the first direction is an X direction and the second direction is a Y direction.
In this embodiment, the extending direction of the conductive wire 201 is the same as the second direction.
Fig. 5 is a schematic cross-sectional view taken along BB1 in fig. 4, and fig. 6 is a schematic cross-sectional view taken along CC1 in fig. 4.
Referring to fig. 4 to 6, in the present embodiment, the positioning pin member is a second positioning pin portion 203, and the second positioning pin portion 203 is fixed relative to the substrate 200 in the second direction and is movable on the substrate 200 along the first direction, and the first direction is perpendicular to the second direction.
The second positioning pin portion 203 includes: a limit groove part 230, the limit groove part 230 having a limit groove 214 extending in the first direction; the second positioning pin body 215 is clamped in the limiting groove 214, and the second positioning pin body 215 can move in the limiting groove 214 along the first direction; a second positioning hole 216 extending through the second dowel body 215 in the second direction, and the wire 201 extends through the second positioning hole 216.
In this embodiment, the position-limiting groove portion is located in the substrate 200, and the position-limiting groove portion 230 and the substrate 200 are an integral structure. It is considered that a part of the substrate 200 is the position limit groove part 230, and the position limit groove part 230 is shown by a dotted line in fig. 5 and 6 for convenience of illustration and description. It should be noted that, in other embodiments, the limiting groove portion may also be located on the surface of the substrate, and the limiting groove portion is independent from the substrate.
In this embodiment, in a cross section perpendicular to the second direction, the cross section of the second positioning hole 216 is circular, and the cross-sectional area of the conductive wire 201 is smaller than the cross-sectional area of the second positioning hole 216, so that the conductive wire 201 can move in the second positioning hole 216 in the second direction.
In other embodiments, in a cross section perpendicular to the second direction, the cross section of the second positioning hole may be triangular, square, hexagonal, octagonal, or the like, and the cross section of the second positioning hole may be irregular, so as to ensure that the wire can move in the second direction in the second positioning hole.
The bending convex point 21 or the bending concave point 22 is arranged in the second positioning pin part 203 in a penetrating way. This has the advantage that the bending peaks 21 and the bending valleys 22 move a greater amount relative to the rest of the wire 201 when the wire 201 is stretched or compressed, and therefore the positional uncertainty of the movement of the bending peaks 21 and the bending valleys 22 is greater; for this reason, the second positioning pin portion 203 is used to restrict the movement of the wire 201 in the second direction at the bending convex point 21 or the bending concave point 22, and guide the wire 201 to move in the first direction, thereby improving the matching degree of the wire 201 being stretched with the degree of the substrate 200 being stretched, and improving the ability of the wire 201 to return to its original shape.
In this embodiment, the curved concave point 21 of the wire 201 extends through the second positioning hole 216.
In order to prevent the second dowel pin body 215 from being disengaged from the limiting groove 214, in this embodiment, the second dowel part 203 may further include: a first stop portion 224 located on the sidewall of the limiting recess 214 and extending along the first direction; a second stopping portion 225 located on the second positioning pin body 215, wherein the second stopping portion 225 and the first stopping portion 224 cooperate with each other to limit the second positioning pin body 215 from moving in a direction perpendicular to the surface of the substrate 200. For example, the first stopper 224 and the second stopper 225 are protrusions or recesses, the second stopper 225 is a recess when the first stopper 224 is a protrusion, and the second stopper 225 is a protrusion when the first stopper 224 is a recess.
Fig. 7 is a schematic top view of the wiring structure shown in fig. 4 stretched in the Y direction.
Referring to fig. 7, the substrate 200 is stretched in the Y direction, and the wires 201 on the substrate 200 are also stretched accordingly. During the stretching process along the Y direction, the second positioning pin portion 203 positions the stretching line of the lead 201. Specifically, the second positioning pin body 215 limits the moving path of the wire 201 in the Y direction, and during the stretching process in the Y direction, the distance between the adjacent second positioning pins 203 increases from the first distance W2 (refer to fig. 4) to the second distance W2 for the same wire 201, that is, the distance between the adjacent limiting grooves 214 increases; the substrate 200, the second positioning pin part 203 and the lead 201 cooperate with each other, so that the second positioning pin body 215 moves in the limiting groove 214 along the X direction, and the purpose of guiding the lead 201 to move in the X direction is achieved; during the stretching process, the curvature of the wire 201 gradually decreases and may even tend to be straight.
When the stretched substrate 200 is compressed in the Y direction, the wires 201 on the substrate 200 are also compressed therewith; likewise, the second positioning pin portion 203 positions the compression route of the wire 201 during the compression process. Specifically, during the compression process, the distance between the adjacent second positioning pin portions 203 is shortened, so that the wire 201 between the adjacent second positioning pin portions 203 is in a loose state, and the second positioning hole 216 restricts the moving path of the wire 201 in the Y direction, and thus the curvature of the wire 201 between the adjacent second positioning pin portions 203 is gradually increased until the original shape is restored during the compression process.
In the wiring structure provided by the embodiment, the second positioning pin portion 203 is disposed on the substrate 200, and the wire 201 extends through the second positioning pin portion 203, when the substrate 200 is stretched or compressed, the second positioning pin portion 203 limits the moving path of the wire 201 in the Y direction, and guides the moving path of the wire 201 in the X direction, so that the moving path of the wire 201 has directionality and is related to the degree of compression or compression of the substrate 200, thereby reducing the probability of breakage of the wire 201 during stretching or compressing the substrate 200, and ensuring that the wire 201 has excellent electrical connection capability.
Fig. 8 is a schematic top view of the wiring structure according to another embodiment of the present invention.
Referring to fig. 8, the present embodiment provides a conductive structure including: a substrate 300; at least one bent wire 301 on the substrate 300; a guide pin member on the substrate 300 through which the wire 301 extends, the guide pin member positioning movement of the wire 301, the guide pin member limiting or guiding a movement path of the wire in at least one direction when the substrate 300 is stretched or compressed.
The wiring structure provided in the present embodiment will be described in detail below with reference to the drawings.
For a detailed description of the substrate 300 and the conductive wires 301, reference may be made to the corresponding description of the previous embodiment, which is not repeated herein.
Unlike the foregoing embodiment, in the present embodiment, the dowel member includes: a first positioning pin portion 302, the first positioning pin portion 302 restricting a moving path of the conductive wire 301 in a first direction and guiding the moving path of the conductive wire 301 in a second direction; a second positioning pin 303, the second positioning pin 303 limiting a moving path of the conductive wire 301 in a second direction, and guiding the moving path of the conductive wire 301 in the first direction.
In this embodiment, the first direction is perpendicular to the second direction, and the first direction is an X direction and the second direction is a Y direction.
When the substrate 300 is pulled in the Y direction, the first positioning pin 302 restricts the movement of the wire 301 in the X direction and guides the movement of the wire 301 in the Y direction, and at the same time, the second positioning pin 303 restricts the movement of the wire 301 in the Y direction and guides the movement of the wire 301 in the X direction. Therefore, when the substrate 200 is stretched in the Y direction, the first positioning pin 302 and the second positioning pin 303 are matched with each other, so that the wire 301 is guided in two directions and limited in two directions at the same time, and therefore, the degree of stretching the wire 301 is better matched with the degree of stretching the substrate 300, the stretched length of the wire 301 can be controlled to be consistent with the stretched length of the substrate 300, and the requirement that the wire 301 adapts to the stretching of the substrate 300 is better met; when compressing the base plate 300, the degree that the wire 301 was compressed with the degree matching nature that the base plate 300 was compressed is also corresponding better to better satisfy the demand that wire 301 adaptation base plate 300 was compressed, wire 301 resumes more easily.
The first positioning pin portion 302 includes: a first positioning pin body fixed to the substrate 300, a first positioning hole penetrating the first positioning pin body in a second direction, and the wire extending through the first positioning hole. For the corresponding descriptions of the first positioning pin body and the first positioning hole, reference may be made to the corresponding descriptions of the foregoing embodiments, and further description is omitted here.
The arrangement direction of the plurality of first positioning pin portions 302 is the same as the second direction for the same wire 301, that is, the plurality of first positioning pin portions 302 are arranged in the Y direction.
The second positioning pin portion 303 includes: a limit recess portion (not shown) having a limit recess 314 extending in the first direction; a second locating pin body (not shown) clamped in the limiting groove 314, wherein the second locating pin body is movable in the limiting groove 314 along the first direction; a second locating hole (not shown) extending through the second dowel body in the second direction, and through which the wire extends.
The second positioning pin portion 303 further includes: a first stop portion located on the sidewall of the limiting groove 314 and extending along the first direction; and the second stopping part is positioned on the second positioning pin body and matched with the first stopping part so as to limit the second positioning pin body to move along the direction vertical to the surface of the substrate, wherein the first stopping part and the second stopping part are in a convex shape or a concave shape.
For the corresponding descriptions of the limiting groove portion, the limiting groove, the second positioning pin body, the second positioning hole, the first stopping portion and the second stopping portion, reference may be made to the corresponding descriptions of the foregoing embodiments, and no further description is provided herein.
The bent wire 301 has a plurality of bending convex points 31 and a plurality of bending concave points 32, the bending convex points 31 of the wire 301 are inserted into the first positioning pin portion 302, and the bending concave points 32 of the wire are inserted into the second positioning pin portion 303. In other embodiments, it can be further provided that the bending concave point extends through the first positioning pin portion and the bending convex point extends through the second positioning pin portion.
The beneficial effects of the configuration that the bending convex point 31 is inserted into the first positioning pin portion 302 and the bending concave point 32 is inserted into the second positioning pin portion 303 can be obtained by referring to the corresponding description of the foregoing embodiments, and are not repeated herein.
The number of the first positioning pin parts 302 is plural, the number of the second positioning pin parts 303 is plural, and the first positioning pin parts 302 and the second positioning pin parts 303 are arranged at intervals in the extending direction of the lead wire 301.
Fig. 9 is a schematic top view of the wiring structure shown in fig. 8 stretched in the Y direction.
Referring to fig. 9, the substrate 300 is stretched, and the conductive wires 301 on the substrate 300 are also stretched accordingly; and during the stretching process, the first positioning pin part 302 and the second positioning pin part 303 jointly position the stretching line of the lead wire 301.
Specifically, in the process of stretching the substrate 300 in the Y direction, the distance between the adjacent first positioning pin portions 302 increases from a first length H1 (refer to fig. 8) to a second length H1 for the same wire 301, the first positioning pin body restricts the wire 301 moving path in the X direction, and the first positioning hole guides the wire 301 passing through the inside thereof to move in the Y direction; and the distance between the adjacent second positioning pin parts 303 increases from the first distance H2 (refer to fig. 8) to the second distance H2, i.e., the distance between the adjacent limit grooves 314 increases; the substrate 300, the second positioning pin 303 and the lead 301 are mutually cooperated, so that the second positioning pin body moves in the limiting groove 314 along the X direction, and the purpose of guiding the lead 301 to move in the X direction is achieved; meanwhile, the limiting groove limits the wire 301 to move in the Y direction. In the stretching process, the curvature of the wire 301 gradually decreases and may even tend to be a straight line, and when the wire 301 is stretched to be a straight line, the first positioning pin body and the second positioning pin body are correspondingly located on the same straight line.
When the stretched substrate 300 is compressed in the Y direction, the wires 301 located on the substrate 300 are also compressed. Likewise, during the compression process, the first positioning pin part 302 and the second positioning pin part 303 jointly position the compression line of the conducting wire 301.
In compressing the stretched substrate 300 in the Y direction, the distance between adjacent first positioning pin portions 302 is shortened, and the distance between adjacent second positioning pin portions 303 is shortened, so that the conductive wires 301 located between the first positioning pin portions 302 and the second positioning pin portions 303 are in a relaxed state; the first positioning pin body limits the moving path of the wire 301 in the X direction, and the second positioning hole limits the moving path of the wire 301 in the Y direction. Thus, during compression, the curvature of the wire 301 gradually increases until it returns to its original shape.
The embodiment of the invention also provides a stretchable display device which comprises the wiring structure. The stretchable display device is a display component in a product with a television function, such as a mobile phone, a tablet personal computer, a television, a display, a digital photo frame or a navigator.
The stretchable display device may be a stretchable OLED display device, a stretchable LCD display device, or a stretchable Micro LED display device.
The stretchable display device further comprises a display screen area, the display screen area is provided with a display screen, the wiring structure and the display screen can share a substrate, and wires in the wiring structure can also be located on the periphery of the display screen. The stretchable display device further comprises a flexible wiring board or an integrated circuit.
The wires in the wiring structure may be electrically connected to the display screen, and may also be electrically connected to a Flexible Printed Circuit (FPC) or an Integrated Circuit (IC).
When the number of the second positioning pin members is plural, the position of the limit groove satisfies the following relationship: w is not less than LR-Lmax(N-1), wherein N is the number of the limiting grooves, W is the distance between adjacent limiting grooves in the second direction, LRThe total length of the wire between adjacent limiting grooves, LmaxA designed tensile maximum in a second direction for the wire. In this embodiment, the second direction is the Y direction. For example, when the number of the limiting grooves is 10, W is more than or equal to LR-Lmax/9. The wire may be stretched a maximum along a design in a second direction,it may also be considered as a designed stretchable maximum in the second direction of the stretchable restriction device.
Wherein the design stretchable maximum of the stretchable display device along the second direction may also be considered as the design stretchable maximum of the substrate along the second direction.
The stretchable display device provided by the embodiment has the advantages that when the display screen is stretched, the bent conducting wires are correspondingly stretched, and the stretching moving force of the conducting wires is limited or guided by the positioning pins, so that the stretching degree of the conducting wires can be matched with the stretching degree of the display screen; when the display screen is compressed, the wires are correspondingly compressed, and the compressed degree of the wires can be matched with the compressed degree of the display screen due to the fact that the positioning pin portion plays a limiting or guiding role in the compression moving path of the wires. Therefore, the embodiment is favorable for improving the stretchable distance of the stretchable display device, can avoid the problem of wire breakage in the process of stretching or compressing the display screen, and can ensure that the stretchable display device has a good display effect while meeting the requirement of being stretchable and compressible.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A wiring structure characterized by comprising:
a substrate;
at least one curved conductive line on the substrate;
a dowel member on the substrate, the wire extending through the dowel member, the dowel member locating movement of the wire when the substrate is stretched or compressed, the dowel member limiting or guiding a path of movement of the wire in at least one direction;
the dowel member includes: a first positioning pin portion that restricts a moving path of the wire in a first direction and guides the moving path of the wire in a second direction; a second positioning pin portion that restricts a moving path of the wire in a second direction and guides the moving path of the wire in the first direction;
the first positioning pin part is fixed on the substrate; the second positioning pin is fixed relative to the substrate in the second direction and is movable on the substrate along the first direction, and the first direction is perpendicular to the second direction.
2. The wiring structure according to claim 1, wherein the number of the first positioning pin parts is plural, and the number of the second positioning pin parts is plural; in the extending direction of the lead, the first positioning pin parts and the second positioning pin parts are arranged at intervals in a staggered mode.
3. The wiring structure according to claim 2, wherein the bent wire has a plurality of bending convex points and a plurality of bending concave points, the bending convex points of the wire are inserted into the first positioning pin portions, and the bending concave points of the wire are inserted into the second positioning pin portions.
4. The wiring structure according to claim 1, wherein the first positioning pin portion includes: the first positioning pin body is fixed on the substrate, the first positioning hole penetrates through the first positioning pin body along a second direction, and the lead extends through the first positioning hole.
5. The wiring structure according to claim 1, wherein the second positioning pin portion includes: a limit groove portion having a limit groove extending in the first direction; the second positioning pin body is clamped in the limiting groove and can move in the limiting groove along the first direction; a second locating hole extending through the second locating pin body in the second direction, and through which the wire extends.
6. The wiring structure of claim 1 wherein said bent wire has a regular wave shape, wherein said bent wire has a wave shape having a peak to peak value equal to a valley to peak value.
7. A stretchable display device, comprising: the wiring structure according to any one of claims 1 to 6.
8. The stretchable display device of claim 7, wherein the second locating pin portion comprises: a limit groove portion having a limit groove extending in the first direction; the second positioning pin body is clamped in the limiting groove and can move in the limiting groove along the first direction; a second locating hole through the second locating pin body in the second direction, and through which the wire extends; the number of the second positioning pin parts is multiple, and the positions of the limiting grooves meet the following relations: w is not less than LR-Lmax(N-1), wherein N is the number of limiting grooves, W is the distance between adjacent limiting grooves along the second direction, LRThe total length of the wire between adjacent limiting grooves, LmaxA designed tensile maximum in a second direction for the wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910016933.2A CN109686253B (en) | 2019-01-08 | 2019-01-08 | Wiring structure and stretchable display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910016933.2A CN109686253B (en) | 2019-01-08 | 2019-01-08 | Wiring structure and stretchable display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109686253A CN109686253A (en) | 2019-04-26 |
| CN109686253B true CN109686253B (en) | 2021-04-23 |
Family
ID=66192226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910016933.2A Active CN109686253B (en) | 2019-01-08 | 2019-01-08 | Wiring structure and stretchable display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109686253B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350014B (en) | 2019-07-17 | 2021-10-26 | 京东方科技集团股份有限公司 | Display substrate, display device and preparation method of display substrate |
| CN111599284B (en) * | 2020-05-29 | 2022-02-25 | 上海天马微电子有限公司 | Manufacturing method of spliced display screen and spliced display screen |
| CN113124273B (en) * | 2021-04-21 | 2022-08-09 | 京东方科技集团股份有限公司 | Display screen stretching device and display system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1299073A (en) * | 1999-12-08 | 2001-06-13 | 三菱电机株式会社 | Liquid crystal display device and TFT panel |
| US7337012B2 (en) * | 2003-04-30 | 2008-02-26 | Lawrence Livermore National Security, Llc | Stretchable polymer-based electronic device |
| WO2010086033A1 (en) * | 2009-01-30 | 2010-08-05 | Interuniversitair Microelektronica Centrum Vzw | Stretchable electronic device |
| CN202240518U (en) * | 2011-10-07 | 2012-05-30 | 吴美俊 | Flexible positioning mechanism |
| CN102610171A (en) * | 2012-03-07 | 2012-07-25 | 王宁 | 360-degree folding flexible LED (light-emitting diode) screen |
| CN104978907A (en) * | 2015-07-28 | 2015-10-14 | 朱耀 | LED display module group, and base frame disc and optical control circuit board both for same |
| CN105826283A (en) * | 2015-01-28 | 2016-08-03 | 三星显示有限公司 | Electronic device |
| CN106796999A (en) * | 2014-09-29 | 2017-05-31 | 乐金显示有限公司 | The flexible display apparatus of the distribution reduced with bending stress |
| CN107154416A (en) * | 2016-03-02 | 2017-09-12 | 三星显示有限公司 | Display device |
| CN108235567A (en) * | 2016-12-22 | 2018-06-29 | 东洋铝株式会社 | Circuit board |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003109773A (en) * | 2001-07-27 | 2003-04-11 | Semiconductor Energy Lab Co Ltd | Light-emitting device, semiconductor device and its manufacturing method |
| US20100224878A1 (en) * | 2009-03-05 | 2010-09-09 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
| JP5855979B2 (en) * | 2012-03-07 | 2016-02-09 | 日本メクトロン株式会社 | Elastic flexible circuit board |
| KR101613588B1 (en) * | 2014-05-27 | 2016-04-19 | 광주과학기술원 | Electrode arrangement with 3d structure and fabrication method thereof |
-
2019
- 2019-01-08 CN CN201910016933.2A patent/CN109686253B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1299073A (en) * | 1999-12-08 | 2001-06-13 | 三菱电机株式会社 | Liquid crystal display device and TFT panel |
| US7337012B2 (en) * | 2003-04-30 | 2008-02-26 | Lawrence Livermore National Security, Llc | Stretchable polymer-based electronic device |
| WO2010086033A1 (en) * | 2009-01-30 | 2010-08-05 | Interuniversitair Microelektronica Centrum Vzw | Stretchable electronic device |
| CN202240518U (en) * | 2011-10-07 | 2012-05-30 | 吴美俊 | Flexible positioning mechanism |
| CN102610171A (en) * | 2012-03-07 | 2012-07-25 | 王宁 | 360-degree folding flexible LED (light-emitting diode) screen |
| CN106796999A (en) * | 2014-09-29 | 2017-05-31 | 乐金显示有限公司 | The flexible display apparatus of the distribution reduced with bending stress |
| CN105826283A (en) * | 2015-01-28 | 2016-08-03 | 三星显示有限公司 | Electronic device |
| CN104978907A (en) * | 2015-07-28 | 2015-10-14 | 朱耀 | LED display module group, and base frame disc and optical control circuit board both for same |
| CN107154416A (en) * | 2016-03-02 | 2017-09-12 | 三星显示有限公司 | Display device |
| CN108235567A (en) * | 2016-12-22 | 2018-06-29 | 东洋铝株式会社 | Circuit board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109686253A (en) | 2019-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109686253B (en) | Wiring structure and stretchable display device | |
| CN108933148B (en) | Display panel and display device | |
| CN108693992A (en) | Touch control display device | |
| CN112151696B (en) | Display panel and display device | |
| US20190273124A1 (en) | Flexible display panel | |
| CN108231854B (en) | Flexible display substrate, flexible display panel and flexible display device | |
| US20160293571A1 (en) | Stretchable display | |
| US11158824B2 (en) | Display component, display, manufacturing methods and electronic device | |
| US10103215B1 (en) | Display panel and display device containing display panel | |
| CN109410823B (en) | Display panel and display device | |
| US9332641B2 (en) | Connection structure of circuit board | |
| CN108877523B (en) | Array substrate, display panel and display device | |
| CN105513501A (en) | Flexible display panel and display device | |
| US20180267641A1 (en) | Display panel and display device with narrow bezel | |
| CN106920800A (en) | Flexible display device and forming method thereof | |
| US20210376281A1 (en) | Display device and method of fabricating the same | |
| CN209418504U (en) | Wire structures and stretchable display device | |
| CN111968519A (en) | Display device | |
| WO2020107881A1 (en) | Flexible display panel and display device | |
| US11568768B2 (en) | Electronic device | |
| US11925076B2 (en) | Display panel and display device | |
| CN109728066B (en) | Display panel and display device | |
| CN113096537B (en) | Telescopic electronic device | |
| EP2843297B1 (en) | Light bar structure | |
| US9480179B2 (en) | Display device, mobile device using the same, method of manufacturing the display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |