CN109061962B - Display panel, manufacturing method thereof and display device - Google Patents
Display panel, manufacturing method thereof and display device Download PDFInfo
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- CN109061962B CN109061962B CN201811256257.8A CN201811256257A CN109061962B CN 109061962 B CN109061962 B CN 109061962B CN 201811256257 A CN201811256257 A CN 201811256257A CN 109061962 B CN109061962 B CN 109061962B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract description 261
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 14
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive Effects 0.000 claims description 6
- 230000003068 static Effects 0.000 abstract description 24
- 230000005611 electricity Effects 0.000 abstract description 17
- 238000010586 diagram Methods 0.000 description 11
- 238000009825 accumulation Methods 0.000 description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- 239000004332 silver Substances 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
Abstract
The invention discloses a display panel, a manufacturing method thereof and a display device, wherein the display panel comprises: the lower substrate and the upper substrate are oppositely arranged; a liquid crystal layer disposed between the lower substrate and the upper substrate; the conductive film is arranged on one side of the upper substrate, which is far away from the lower substrate; the lower substrate comprises a flexible substrate, and the flexible substrate comprises a main body part and a step part; the main body part and the upper substrate are overlapped in a direction perpendicular to the display panel; the step part at least comprises a first step part and a second step part; the first step part comprises a binding area, the electronic element is bound in the binding area, and the first step part is bent towards one side of the main body part, which is far away from the upper substrate; the second step portion comprises a wiring, one end of the wiring is connected to the electronic element, the second step portion is bent towards one side, away from the lower substrate, of the upper substrate, and one end of the second step portion is connected with the conductive film, so that the other end of the wiring is connected to the conductive film. The invention effectively removes the static electricity accumulated on the upper substrate and improves the display quality of the display panel.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display panel, a manufacturing method of the display panel and a display device.
Background
With the development of scientific technology, flat panel displays have replaced heavy CRT displays increasingly deeply into people's daily lives. Currently, common flat panel displays include liquid crystal displays and organic light emitting diode displays. Especially, the liquid crystal display has been rapidly developed in recent years due to its characteristics of small volume, light weight, thin thickness, low power consumption, no radiation, etc., and has taken a leading position in the current flat panel display market, and has been widely applied to various products of large, medium and small sizes, and almost covers a plurality of fields of main electronic products of the current information society, such as liquid crystal televisions, computers, mobile phones, PDAs, GPS, vehicle-mounted displays, projection displays, video cameras, digital cameras, electronic watches, calculators, electronic instruments, meters, public displays, illusion displays, etc.
The display panel is the most important component of a flat panel display. The liquid crystal display panel includes an array substrate (TFT substrate), a color filter substrate (CF substrate) opposite to the array substrate, and liquid crystal filled between the array substrate and the color filter substrate. How to solve the problem of static accumulation on the outer surface of the color film substrate is an important technical problem to be solved urgently in the industry.
Disclosure of Invention
In view of the above, the present invention provides a display panel, including: the lower substrate and the upper substrate are oppositely arranged; a liquid crystal layer disposed between the lower substrate and the upper substrate; the conductive film is arranged on one side of the upper substrate, which is far away from the lower substrate; the lower substrate comprises a flexible substrate, and the flexible substrate comprises a main body part and a step part; the main body part and the upper substrate are overlapped in a direction perpendicular to the display panel; the step part at least comprises a first step part and a second step part; the first step part comprises a binding area, the electronic element is bound in the binding area, and the first step part is bent towards one side of the main body part, which is far away from the upper substrate; the second step portion comprises a wiring, one end of the wiring is connected to the electronic element, the second step portion is bent towards one side, away from the lower substrate, of the upper substrate, and one end of the second step portion is connected with the conductive film, so that the other end of the wiring is connected to the conductive film.
The invention also provides a manufacturing method of the display panel, which comprises the following steps: forming a flexible substrate in the first rigid transparent substrate, wherein the flexible substrate comprises a main body part and a step part, a display array layer is formed on one side of the main body part, which is far away from the first rigid transparent substrate, and a plurality of routing lines are formed on one side of the step part, which is far away from the first rigid transparent substrate, so that at least one lower substrate is formed; forming at least one upper substrate in the second rigid transparent substrate, the upper substrate including a conductive film; the upper substrate and the lower substrate both comprise a display area and a non-display area surrounding the display area; dropping liquid crystal into the display area of each lower substrate or the display area of each upper substrate; the first rigid transparent substrate and the second rigid transparent substrate are attached, so that the upper substrate and the lower substrate are arranged in a one-to-one correspondence mode, and the conductive film is located on one side, far away from the lower substrate, of the upper substrate; dividing a mother board formed by the first rigid transparent substrate and the second rigid transparent substrate which are attached to each other to form at least one sub-panel comprising an upper substrate and a lower substrate, wherein the main body part and the upper substrate are overlapped in a direction perpendicular to the sub-panel; cutting the step part into at least a first step part and a second step part; binding an electronic element on the first step part, wherein one end of the wire is connected with the electronic element; cutting a portion of the first rigid transparent substrate overlapped with the step portion in a direction perpendicular to the sub-panel in each sub-panel, and peeling it from the lower substrate; or, stripping all the part of the first rigid transparent substrate positioned on each sub-panel from the lower substrate; then, the first step portion is bent towards one side of the main body portion far away from the upper substrate, the second step portion is bent towards one side of the main body portion near the upper substrate, one end of the second step portion is connected with the conductive film, and therefore the other end of the wiring is connected with the conductive film.
The invention also provides a display device which comprises the display panel provided by the invention.
Compared with the prior art, the display panel, the manufacturing method thereof and the display device provided by the invention at least realize the following beneficial effects:
the one end of walking the line is connected with the electronic component that is located first step portion, and one side bending of keeping away from the infrabasal plate towards the base plate through second step portion to walk the other end of line and set up the conductive film that keeps away from the one side of infrabasal plate in the upper substrate and be connected, the last static of accumulation of upper substrate is through walking the line transmission to electronic component of conductive film, and rethread electronic component ground connection effectively gets rid of the last static of accumulation of upper substrate, has improved display panel's display quality.
Of course, it is not necessary for any product in which the present invention is practiced to achieve all of the above-described technical effects simultaneously.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view taken along A-A' of the display panel of FIG. 1;
FIG. 3 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a lower substrate according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
fig. 7 is a schematic cross-sectional view illustrating another display panel according to an embodiment of the invention;
FIG. 8 is a schematic cross-sectional view of another display panel according to an embodiment of the present invention;
fig. 9 is a schematic cross-sectional view of another display panel according to an embodiment of the invention;
fig. 10 is a schematic flow chart illustrating a method for manufacturing a display panel according to an embodiment of the present invention;
fig. 11 is a front view of a display device according to an embodiment of the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the prior art, silver paste or conductive paste is disposed between the step portion and the upper substrate, so that the conductive film on the upper substrate is electrically connected to the electronic element of the step portion through the silver paste or conductive paste, thereby removing static electricity accumulated on the upper substrate. However, the adhesive end of the silver paste is flexible and is easy to move relatively, so that the silver paste is easy to break. Particularly, when the upper substrate and the lower substrate are both flexible substrates, the silver paste is more likely to break, so that static electricity accumulated on the upper substrate cannot be removed, and the display quality of the display panel is affected; the conductive adhesive increases the manufacturing cost of the display panel.
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 cross-section of the display panel along a-a' in fig. 1, and referring to fig. 1 and fig. 2, an embodiment of the present invention provides a display panel, including:
a lower substrate 10 and an upper substrate 20 disposed opposite to each other;
a liquid crystal layer 30 disposed between the lower substrate 10 and the upper substrate 20;
a conductive film 21 disposed on a side of the upper substrate 20 away from the lower substrate 10;
the lower substrate 10 includes a flexible substrate 11, the flexible substrate 11 including a body portion 12 and a step portion 13; the main body 12 and the upper substrate 20 are overlapped in a direction perpendicular to the display panel; the step portion 13 includes at least a first step portion 14 and a second step portion 15;
the first step portion 14 includes a bonding region 141, the electronic component 40 is bonded to the bonding region 141, and the first step portion 14 is bent toward a side of the main body portion 12 away from the upper substrate 20;
the second stepped portion 15 includes a trace 151, one end of the trace 151 is connected to the electronic component 40, the second stepped portion 15 is bent toward a side of the upper substrate 20 away from the lower substrate 10, and one end of the second stepped portion 15 is connected to the conductive film 21, so that the other end of the trace 151 is connected to the conductive film 21.
Specifically, with continued reference to fig. 1 and 2, the display panel provided in the embodiment of the present invention includes a lower substrate 10 and an upper substrate 20. The display panel is a liquid crystal display panel, and a liquid crystal layer 30 is further provided between the lower substrate 10 and the upper substrate 20. The lower substrate 10 includes a flexible substrate 11, the flexible substrate 11 includes a main body portion 12 and a step portion 13, the main body portion 12 and the upper substrate 20 overlap in a direction perpendicular to the display panel, and the step portion 13 and the upper substrate 20 do not overlap in the direction perpendicular to the display panel before the step portion 13 is not bent.
The step part 13 includes a first step part 14 and a second step part 15, the second step part 15 includes a wire 151, one end of the wire 151 is connected with the electronic element 40 located on the first step part 14, the second step part 15 is bent towards one side of the upper substrate 20 far away from the lower substrate 10, so that the other end of the wire 151 is connected with the conductive film 21 arranged on one side of the upper substrate 20 far away from the lower substrate 10, the static electricity accumulated on the upper substrate 20 is transmitted to the electronic element 40 through the wire 151 via the conductive film 21, and then is grounded via the electronic element 40, the static electricity accumulated on the upper substrate 20 is effectively removed, and the display quality of the display panel is improved.
Second step portion 15 is flexible, thereby walk line 151 and be connected with conductive film 21 along with second step portion 15 is crooked together, second step portion 15 plays certain guard action to walking line 151, effectively reduces to walk line 151 and receives the external force influence to take place cracked possibility, effectively improves the life of walking line 151, connects conductive film 21 and electronic component 40 through walking line 151, and connection structure is more firm, the difficult condition that the static that accumulates on the base plate can't be got rid of takes place.
For example, the lower substrate 10 may be an array substrate, the upper substrate 20 may be a color filter substrate, static electricity accumulated on the color filter substrate is transmitted to the electronic element 40 disposed on the array substrate through the conductive film 21 via the trace 151, and then grounded through the electronic element 40, so that the static electricity accumulated on the color filter substrate is effectively removed.
With continuing reference to fig. 1, optionally, a display panel provided by the embodiment of the present invention further includes: a display area AA and a non-display area NA surrounding the display area AA;
the first stepped portion 14 and the second stepped portion 15 are located on the same side of the display area AA.
Specifically, the display panel provided in the embodiment of the present invention includes a display area AA and a non-display area NA, one end of the trace 151 is electrically connected to the electronic component 40 located on the first step portion 14, the other end of the trace is connected to the conductive film 21, and the first step portion 14 and the second step portion 15 are located on the same side of the display area AA, so that the distance between the first step portion 14 and the second step portion 15 is relatively short, thereby facilitating the setting of the trace 151, effectively reducing the winding of the trace 151 in the non-display area NA, and facilitating the realization of a narrow frame of the display panel.
Fig. 3 is a schematic structural diagram of another display panel provided in an embodiment of the present invention, and fig. 4 is a schematic structural diagram of another display panel provided in an embodiment of the present invention, referring to fig. 1, fig. 3 and fig. 4, optionally, wherein the first step portion 14 includes a first edge 142, the second step portion 15 includes a second edge 152, and the first edge 142 and the second edge 152 are adjacently disposed;
the first edge 142 and the second edge 152 are both straight line segments, or the first edge 142 and the second edge 152 are both arc line segments, or the first edge 142 and the second edge 152 are both curved line segments.
Specifically, with continued reference to fig. 1, 3 and 4, the first step portion 14 and the second step portion 15 are located on the same side of the display area AA, so that the first edge 142 and the second edge 152 are adjacently disposed, and both the first edge 142 and the second edge 152 are straight line segments, or both the first edge 142 and the second edge 152 are arc segments, or both the first edge 142 and the second edge 152 are curved line segments. It should be noted that the present invention is not limited to the first edge 142 and the second edge 152 being one of a straight line segment, an arc segment, or a curved line segment, and in other embodiments of the present invention, the first edge and the second edge may also be line segments with other shapes.
Fig. 5 is a schematic structural diagram of a lower substrate according to an embodiment of the present invention, and optionally, the main body 12 includes: a third edge 121 extending in a first direction X and a fourth edge 122 extending in a second direction Y, the first direction X and the second direction Y intersecting; at least one fifth edge 123 connected to the third edge 121 and the fourth edge 122;
the second step 15 and the fifth edge 123 are connected.
In particular, with continued reference to fig. 5, the body portion 12 includes at least one fifth edge 123 connecting the third edge 121 and the fourth edge 122, and the second step 15 is connected to the fifth edge 123. The second step portion 15 and the first step portion 14 are prevented from being connected to the third edge 121, and the area of the first step portion 14 is prevented from being reduced for providing the second step portion 15, so that the arrangement of the signal lines in the first step portion 14 and the arrangement of the electronic components are not affected.
With continued reference to fig. 5, optionally, the fifth edge 123 is a straight line segment, or an arc segment.
The lower substrate of the display panel provided by the embodiment of the invention is a special-shaped lower substrate, specifically, the main body 12 at least includes one fifth edge 123, the fifth edge 123 may be a straight line segment or an arc segment, and only the fifth edge 123 is taken as a straight line segment in fig. 5 for illustration. In the embodiment of the present invention, only the main body 12 includes at least four fifth edges 123 for illustration, and optionally, the main body may further include one, two, three, or more than four fifth edges, which is not specifically limited in the embodiment of the present invention.
Fig. 6 is a schematic structural diagram of another display panel provided in an embodiment of the present invention, and referring to fig. 2 and fig. 6, optionally, the step portion 13 includes two second step portions 15 oppositely disposed on two sides of the first step portion 14 along the first direction X.
Specifically, with continued reference to fig. 2 and fig. 6, the second stepped portion 15 includes traces 151, one end of the traces 151 is connected to the electronic component 40 on the first stepped portion 14, the second stepped portion 15 is bent toward the side of the upper substrate 20 away from the lower substrate 10, so that the other end of the trace 151 is connected to the conductive film 21 disposed on the side of the upper substrate 20 away from the lower substrate 10, the static electricity accumulated on the upper substrate 20 is transmitted to the electronic component 40 through the trace 151 via the conductive film 21, and then is grounded via the electronic component 40, so as to effectively remove the static electricity accumulated on the upper substrate 20, the step portion 13 includes two second step portions 15, when the connection between one of the second stepped portions 15 and the conductive film 21 fails, static electricity accumulated on the upper substrate 20 can be transferred to the electronic component 40 through the other second stepped portion 15, thereby further reducing the situation that the static electricity accumulated on the upper substrate 20 cannot be removed.
It should be noted that, in the embodiment of the present invention, only the step portion 13 includes two second step portions 15 for an example, alternatively, the step portion may further include more than two second step portions, which is not specifically limited in the embodiment of the present invention.
FIG. 7 is a schematic cross-sectional view of another display panel provided in an embodiment of the invention, referring to
Fig. 7, optionally, the display panel further includes an upper polarizer 51 located on a side of the upper substrate 20 away from the lower substrate 10, and a lower polarizer 52 located on a side of the lower substrate 10 away from the upper substrate 20, wherein the conductive film 21 is located between the upper substrate 20 and the upper polarizer 51.
Specifically, with reference to fig. 7, the display panel further includes an upper polarizer 51 and a lower polarizer 52, the lower polarizer 52 is attached to the side of the lower substrate 10 away from the upper substrate 20, the upper polarizer 51 is attached to the side of the upper substrate 20 away from the lower substrate 10, and the conductive film 21 is located between the upper substrate 20 and the upper polarizer 51.
With continued reference to fig. 7, optionally, one end of the second stepped portion 15 connected to the conductive film 21 is located between the upper substrate 20 and the upper polarizer 51.
Specifically, the second stepped portion 15 is bent toward the side of the upper substrate 20 away from the lower substrate 10, one end of the second stepped portion 15 is connected to the conductive film 21, and one end of the second stepped portion 15 connected to the conductive film 21 is located between the upper substrate 20 and the upper polarizer 51. Because the upper polarizer 51 is attached to the side of the upper substrate 20 away from the lower substrate 10, the portion of the second step portion 15 connected to the conductive film 21 can be clamped by the upper polarizer 51 and the upper substrate 20, so that one end of the second step portion 15 is connected to the conductive film 21, and the process step of connecting the second step portion 15 to the conductive film 21 is not required to be additionally added, thereby effectively reducing the process difficulty and the production cost.
Fig. 8 is a schematic cross-sectional structure view of another display panel provided in an embodiment of the present invention, and referring to fig. 8, alternatively, in a direction perpendicular to the display panel, one end of the second step portion 15 close to the conductive film 21 and the upper polarizer 51a do not overlap.
Specifically, with reference to fig. 8, the display panel further includes an upper polarizer 51a and a lower polarizer 52, the lower polarizer 52 is attached to a side of the lower substrate 10 away from the upper substrate 20, the upper polarizer 51a is attached to a side of the upper substrate 20 away from the lower substrate 10, the conductive film 21 is located between the upper substrate 20 and the upper polarizer 51a, in a direction perpendicular to the display panel, one end of the second step portion 15 close to the conductive film 21 is not overlapped with the upper polarizer 51a, that is, one end of the second step portion 15 connected to the conductive film 21 is not overlapped with the upper polarizer 51a, because the second step portion 15 has a certain thickness, the upper polarizer 51a avoids the conductive film attached to the second step portion 15, so that a plane where the upper polarizer 51a is located and a plane where the upper substrate 20 is located are approximately parallel, and the display effect of the display panel is.
With reference to fig. 8, optionally, the display panel further includes a conductive paste 60, the conductive paste 60 is located on a side of the conductive film 21 away from the lower substrate 10, and the second step portion 15 is connected to the conductive film 21 through the conductive paste 60.
Specifically, the conductive paste 60 may make the connection between the second stepped portion 15 and the conductive film 21 more stable, or may transmit static electricity on the conductive film 21 to the second stepped portion 15, so that the static electricity accumulated on the upper substrate 20 is transmitted to the electronic component 40 through the second stepped portion 15.
It should be noted that, in the embodiment of the present invention, only the second step portion 15 and the conductive film 21 are connected by the conductive adhesive 60, alternatively, in other embodiments of the present invention, the second step portion and the conductive film may also be connected by other structures, and the present invention is not limited to this.
With continued reference to fig. 2, optionally, the electronic component 40 is a flexible circuit board and/or chip.
Specifically, with reference to fig. 2, the static electricity accumulated on the upper substrate 20 is transmitted to the electronic element 40 through the conductive film 21 via the traces 151, and then grounded through the electronic element 40, so as to effectively remove the static electricity accumulated on the upper substrate 20, where the electronic element 40 may be an Integrated Circuit (IC) or/and a Flexible Printed Circuit (FPC).
Fig. 9 is a schematic cross-sectional structure view of another display panel according to an embodiment of the present invention, referring to fig. 9, optionally, the display panel further includes a rigid transparent substrate 70, and the rigid transparent substrate 70 is located on a side of the lower substrate 10 away from the upper substrate 20.
Specifically, with reference to fig. 9, a rigid transparent substrate 70 is disposed on a side of the lower substrate 10 away from the upper substrate 20, so that the lower substrate 10 has sufficient hardness to ensure the quality of the finished process in the lower substrate 10 during the manufacturing process of the display panel, thereby improving the quality of the display panel.
It should be noted that, in the embodiment of the present invention, only the rigid transparent substrate 70 is located on the side of the lower substrate 10 away from the upper substrate 20 as an example for illustration, alternatively, to meet the requirement of actual production, the rigid transparent substrate may also be located on the side of the upper substrate away from the lower substrate, or both the upper substrate and the lower substrate are provided with the rigid transparent substrate, which is not limited by the present invention.
Fig. 10 is a schematic flowchart of a manufacturing method of a display panel according to an embodiment of the present invention, and referring to fig. 10, the manufacturing method of a display panel according to an embodiment of the present invention includes:
s101, forming a flexible substrate in a first rigid transparent substrate, wherein the flexible substrate comprises a main body part and a step part, a display array layer is formed on one side of the main body part, which is far away from the first rigid transparent substrate, and a plurality of routing lines are formed on one side of the step part, which is far away from the first rigid transparent substrate, so that at least one lower substrate is formed;
s102, forming at least one upper substrate in a second rigid transparent substrate, wherein the upper substrate comprises a conductive film;
s103, both the upper substrate and the lower substrate comprise display areas and non-display areas surrounding the display areas; dropping liquid crystal into the display area of each lower substrate or the display area of each upper substrate;
s104, attaching the first rigid transparent substrate and the second rigid transparent substrate to enable the upper substrate and the lower substrate to be arranged in a one-to-one correspondence mode, wherein the conductive film is located on one side, far away from the lower substrate, of the upper substrate;
s105, cutting the mother board formed by the first rigid transparent substrate and the second rigid transparent substrate which are attached to form at least one sub-panel comprising an upper substrate and a lower substrate, wherein the main body part and the upper substrate are overlapped in a direction vertical to the sub-panel;
s106, cutting the step part into at least a first step part and a second step part;
s107, binding an electronic element on the first step part, wherein one end of the wire is connected with the electronic element;
s108, cutting the part of the first rigid transparent substrate which is overlapped with the step part in the direction vertical to the sub-panel in each sub-panel, and stripping the first rigid transparent substrate from the lower substrate; or, stripping all the part of the first rigid transparent substrate positioned on each sub-panel from the lower substrate;
and S109, bending the first step part towards one side of the main body part far away from the upper substrate, bending the second step part towards one side of the main body part near the upper substrate, and connecting one end of the second step part with the conductive film, so that the other end of the wiring is connected with the conductive film.
With reference to fig. 1 and fig. 2, in the display panel manufactured by the method for manufacturing a display panel according to the embodiment of the present invention, one end of the trace 151 is connected to the electronic component 40 located on the first step portion 14, and is bent toward the side of the upper substrate 20 away from the lower substrate 10 through the second step portion 15, so that the other end of the trace 151 is connected to the conductive film 21 disposed on the side of the upper substrate 20 away from the lower substrate 10, and the static electricity accumulated on the upper substrate 20 is transmitted to the electronic component 40 through the trace 151 by the conductive film 21, and is grounded by the electronic component 40, so that the static electricity accumulated on the upper substrate 20 is effectively removed, and the display quality of the display panel is improved.
Second step portion 15 is flexible, thereby walk line 151 and be connected with conductive film 21 along with second step portion 15 is crooked together, second step portion 15 plays certain guard action to walking line 151, effectively reduces to walk line 151 and receives the external force influence to take place cracked possibility, effectively improves the life of walking line 151, connect conductive film 21 and electronic component 40 through walking line 151, connection structure is more firm, the difficult condition that the static that accumulates on the base plate can't be got rid of takes place.
Referring to fig. 11, fig. 11 is a front view of a display device according to an embodiment of the present invention, and the display device 1000 according to an embodiment of the present invention includes the display panel as described above.
Specifically, with continuing reference to fig. 11, the display device 1000 according to the embodiment of the present invention is a mobile phone, and the display device 1000 includes the display panel as described above, and it can be understood by those skilled in the art that the display device 1000 of the present application may include other known structures besides the display panel. Such well-known structures will not be further described in order not to obscure the focus of the present application. The display device of the present application is not limited to the mobile phone shown in fig. 11, and may be a computer, a television, an electronic book, or the like.
As can be seen from the above embodiments, the display panel, the manufacturing method thereof, and the display device provided by the present invention at least achieve the following advantages:
the one end of walking the line is connected with the electronic component that is located first step portion, and one side bending of keeping away from the infrabasal plate towards the base plate through second step portion to walk the other end of line and set up the conductive film that keeps away from the one side of infrabasal plate in the upper substrate and be connected, the last static of accumulation of upper substrate is through walking the line transmission to electronic component of conductive film, and rethread electronic component ground connection effectively gets rid of the last static of accumulation of upper substrate, has improved display panel's display quality.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (14)
1. A display panel, comprising:
the lower substrate and the upper substrate are oppositely arranged;
a liquid crystal layer disposed between the lower substrate and the upper substrate;
the conductive film is arranged on one side of the upper substrate, which is far away from the lower substrate;
the lower substrate comprises a flexible substrate, and the flexible substrate comprises a main body part and a step part; the main body portion and the upper substrate are overlapped in a direction perpendicular to the display panel; the step part at least comprises a first step part and a second step part;
the first step portion comprises a binding region to which an electronic component is bound, and the first step portion is bent toward a side of the main body portion away from the upper substrate;
the second step portion comprises a wire, one end of the wire is connected to the electronic element, the second step portion bends towards one side of the upper substrate, which is far away from the lower substrate, and one end of the second step portion is connected with the conductive film, so that the other end of the wire is connected to the conductive film.
2. The display panel according to claim 1, further comprising:
a display area and a non-display area surrounding the display area;
the first step portion and the second step portion are located on the same side of the display area.
3. The display panel according to claim 2,
the first step portion comprises a first edge, the second step portion comprises a second edge, and the first edge and the second edge are adjacently arranged;
the first edge and the second edge are both straight line segments, or the first edge and the second edge are both arc line segments, or the first edge and the second edge are both curved line segments.
4. The display panel according to claim 2, wherein the main body portion comprises:
a third edge extending in a first direction and a fourth edge extending in a second direction, the first direction and the second direction intersecting;
at least one fifth edge connected to the third edge and the fourth edge;
the second step portion and the fifth edge are connected.
5. The display panel according to claim 4,
the fifth edge is a straight line segment or an arc segment.
6. The display panel according to claim 4,
the step part comprises two second step parts which are oppositely arranged at two sides of the first step part along the first direction.
7. The display panel according to claim 1,
the display panel further comprises an upper polaroid and a lower polaroid, wherein the upper polaroid is located on one side, away from the lower substrate, of the upper substrate, the lower polaroid is located on one side, away from the upper substrate, of the lower substrate, and the conductive film is located between the upper substrate and the upper polaroid.
8. The display panel according to claim 7,
one end of the second step part connected with the conductive film is positioned between the upper substrate and the upper polaroid.
9. The display panel according to claim 7,
in the direction perpendicular to the display panel, one end of the second step part close to the conductive film and the upper polarizer do not overlap.
10. The display panel according to claim 9,
the display panel further comprises a conductive adhesive, the conductive adhesive is located on one side, far away from the lower substrate, of the conductive film, and the second step portion is connected with the conductive film through the conductive adhesive.
11. The display panel according to claim 1,
the electronic element is a flexible circuit board and/or a chip.
12. The display panel according to claim 1,
the display panel further comprises a rigid transparent substrate, and the rigid transparent substrate is located on one side, far away from the upper substrate, of the lower substrate.
13. A method of manufacturing a display panel, comprising:
forming a flexible substrate in a first rigid transparent substrate, wherein the flexible substrate comprises a main body part and a step part, a display array layer is formed on one side of the main body part, which is far away from the first rigid transparent substrate, and a plurality of routing lines are formed on one side of the step part, which is far away from the first rigid transparent substrate, so that at least one lower substrate is formed;
forming at least one upper substrate in a second rigid transparent substrate, the upper substrate including a conductive film;
the upper substrate and the lower substrate both comprise a display area and a non-display area surrounding the display area;
dropping liquid crystal into the display area of each lower substrate or the display area of each upper substrate;
the first rigid transparent substrate and the second rigid transparent substrate are attached, so that the upper substrate and the lower substrate are arranged in a one-to-one correspondence mode, and the conductive film is located on one side, far away from the lower substrate, of the upper substrate;
dividing a mother board formed by the first rigid transparent substrate and the second rigid transparent substrate which are attached to each other to form at least one sub-panel including the upper substrate and the lower substrate, wherein the main body part and the upper substrate are overlapped in a direction perpendicular to the sub-panel;
cutting the step into at least a first step and a second step;
binding an electronic element on the first step part, wherein one end of the routing is connected with the electronic element;
cutting, in each of the sub-panels, a portion of the first rigid transparent substrate overlapping the step portion in a direction perpendicular to the sub-panel, and peeling it from the lower substrate; or, peeling off all the part of the first rigid transparent substrate positioned on each sub-panel from the lower substrate;
then, the first step portion is bent towards the side of the main body portion, which is far away from the upper substrate, the second step portion is bent towards the side of the main body portion, which is close to the upper substrate, and one end of the second step portion is connected with the conductive film, so that the other end of the routing line is connected with the conductive film.
14. A display device characterized by comprising the display panel according to any one of claims 1 to 12.
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| CN113327891A (en) * | 2021-05-18 | 2021-08-31 | Tcl华星光电技术有限公司 | Preparation method of display panel |
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| CN103824870A (en) * | 2012-11-19 | 2014-05-28 | 三星显示有限公司 | Display panel and bonding apparatus for manufacturing the same |
| KR20140143538A (en) * | 2013-06-07 | 2014-12-17 | 엘지디스플레이 주식회사 | Display device |
| CN106384736A (en) * | 2016-11-29 | 2017-02-08 | 合肥鑫晟光电科技有限公司 | Flexible substrate, flexible display substrate and manufacture method for the same, and display device |
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| JP3610077B2 (en) * | 1992-03-26 | 2005-01-12 | セイコーエプソン株式会社 | Liquid crystal display device and electronic device |
| CN104460070B (en) * | 2014-12-31 | 2018-09-07 | 合肥鑫晟光电科技有限公司 | Display panel and preparation method thereof, display device |
| CN106920829A (en) * | 2017-03-30 | 2017-07-04 | 京东方科技集团股份有限公司 | A kind of preparation method of flexible display panels, display device and flexible display panels |
| CN108564886A (en) * | 2018-01-25 | 2018-09-21 | 上海天马微电子有限公司 | Display panel and display device |
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| CN103824870A (en) * | 2012-11-19 | 2014-05-28 | 三星显示有限公司 | Display panel and bonding apparatus for manufacturing the same |
| KR20140143538A (en) * | 2013-06-07 | 2014-12-17 | 엘지디스플레이 주식회사 | Display device |
| CN106384736A (en) * | 2016-11-29 | 2017-02-08 | 合肥鑫晟光电科技有限公司 | Flexible substrate, flexible display substrate and manufacture method for the same, and display device |
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