CN111179750A - Structure of display panel and manufacturing method thereof - Google Patents
Structure of display panel and manufacturing method thereof Download PDFInfo
- Publication number
- CN111179750A CN111179750A CN201911276278.0A CN201911276278A CN111179750A CN 111179750 A CN111179750 A CN 111179750A CN 201911276278 A CN201911276278 A CN 201911276278A CN 111179750 A CN111179750 A CN 111179750A
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- electrodes
- substrate
- display panel
- bonding agent
- receiving grooves
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
-
- 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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Geometry (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
A structure of a display panel and a manufacturing method thereof comprise: the bonding agent comprises a first substrate, a bonding agent and a second substrate. The bonding agent is disposed in the plurality of accommodating grooves and connects the plurality of first electrodes and the plurality of second electrodes.
Description
Technical Field
The invention relates to the technical field of display, in particular to a structure of a display panel and a manufacturing method thereof.
Background
With the development of display technology, the demand of Anisotropic Conductive Film (ACF) is increasing, and the ACF plays an important role in the bonding process. Many bonding processes require ACF for circuit conduction. Due to the colloid fluidity, the ACF can not be fixed on the traditional smooth electrode, and in the pressing process, the conductive particles in the ACF can be extruded to the positions on the two sides of the electrode and can not be concentrated between the upper electrode and the lower electrode, so that the conductive effect of the upper electrode and the lower electrode is influenced, and the possibility of short circuit of the left electrode and the right electrode is increased. Furthermore, as the pitch between the electrodes is made narrower and narrower, the ACF must be made into an array in order to avoid shorting the left and right electrodes, so that the material cost increases.
Disclosure of Invention
In view of the defects of the prior art, the invention provides a structure of a display panel and a manufacturing method thereof, wherein a containing groove with an arc-shaped surface is formed on the surface of an electrode, and a bonding agent is arranged in the containing groove, so that the number of conductive particles in an electrode area after being pressed can be increased, and the upper electrode and the lower electrode have better conductive effects.
In order to solve the above problems, the present invention provides a structure of a display panel, including: a first substrate; a bonding agent and a second substrate; wherein, a plurality of first electrodes are arranged on one surface of the first substrate, a plurality of second electrodes are arranged on one surface of the second substrate, a plurality of containing grooves are arranged on one surface of the plurality of first electrodes or the plurality of second electrodes, and the binding agent is arranged in the plurality of containing grooves and connects the plurality of first electrodes and the plurality of second electrodes.
The surfaces of the plurality of accommodating grooves are arc-shaped.
The first substrate is a rigid substrate or a flexible substrate.
The second substrate is a rigid substrate or a flexible substrate.
The bonding agent includes a metal and an insulating resin.
The plurality of first electrodes are spaced apart from each other at a distance, the plurality of second electrodes are spaced apart from each other at a distance, and the plurality of first electrodes and the plurality of second electrodes are disposed opposite to each other.
The plurality of accommodating grooves are spaced at a certain distance from each other.
In order to solve the above problems, the present invention further provides a method for manufacturing a structure of a display panel, including: s1, providing a first substrate, and forming a plurality of first electrodes on a surface of the first substrate; s2, forming a plurality of receiving grooves on a surface of the plurality of first electrodes; s3, filling the bonding agent in the plurality of receiving slots; s4, providing a second substrate, and forming a plurality of second electrodes corresponding to the plurality of first electrodes on a surface of the second substrate; s5, pressing the first substrate and the second substrate together to connect the first electrodes and the second electrodes via the bonding agent.
The surfaces of the plurality of accommodating grooves are arc-shaped.
The plurality of accommodating grooves are spaced at a certain distance from each other.
The beneficial effects of the invention are as follows: according to the structure of the display panel, the plurality of accommodating grooves with the arc-shaped surfaces are formed on the surfaces of the electrodes, and the bonding agent is filled in the plurality of accommodating grooves with the arc-shaped surfaces, so that the number of the conductive particles in the electrode area after being pressed together is increased, the upper electrode and the lower electrode have better conductive effects, and the risk of short circuit of the adjacent left electrode and the right electrode is reduced.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view illustrating a structure of a display panel according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view illustrating a structure of a first electrode according to an embodiment of the present invention.
Fig. 3 is a process flow chart of a method for manufacturing a structure of a display panel according to an embodiment of the invention.
Detailed Description
The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced. Directional phrases used herein, such as, for example, upper, lower, front, rear, left, right, inner, outer, lateral, etc., refer only to the orientation of the accompanying drawings.
Embodiments of the present invention will be described in detail herein with reference to the accompanying drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. The embodiments are provided to explain the practical application of the invention so as to enable others skilled in the art to understand the invention for various embodiments and with various modifications as are suited to the particular use contemplated.
As shown in fig. 1 and 2, an embodiment of the present invention provides a structure of a display panel, including: a first substrate 10; a bonding agent 11; a second substrate 12; wherein a plurality of first electrodes 101 are disposed on a surface of the first substrate 10, a plurality of second electrodes 121 are disposed on a surface of the second substrate 12, a plurality of receiving grooves 1011 are disposed on the plurality of first electrodes 101, and the bonding agent 11 is disposed in the plurality of receiving grooves 1011 and electrically connects the plurality of first electrodes 101 and the plurality of second electrodes 121, it should be noted that in other embodiments of the present invention, the plurality of receiving grooves 1011 may also be disposed on the plurality of second electrodes 121 instead of the plurality of first electrodes 101.
The bonding agent 11 is Anisotropic Conductive Film (ACF) including metal and insulating resin. Specifically, the bonding agent 11 includes one or more of metal particles such as nickel, gold-plated on nickel, and silver-tin alloy, and the metal particles are coated with the insulating resin such as epoxy resin. The principle used in this embodiment is: when the insulating resin on the outer layer of the bonding agent 11 is subjected to pressure from the upper side and the lower side, the insulating resin deforms and cracks, so that the metal particles at the cracking positions are exposed and directly contact with the upper electrode and the lower electrode to form circuit conduction. In this embodiment, since the bonding agent 11 is filled and fixed in the plurality of receiving grooves 1011, when the insulating resin is broken, the metal particles are concentrated between the plurality of first electrodes 101 and the plurality of second electrodes 121 corresponding to each other, so that the number of the metal particles flowing between the plurality of adjacent first electrodes 101 is reduced, and by such a design, the conductive effect of the plurality of first electrodes 101 and the plurality of second electrodes 121 corresponding to each other can be enhanced and the risk of short circuit of the plurality of first electrodes 101 disposed on the same plane.
Further, the structure of the display panel provided by the present embodiment does not require the bonding agent 11 to be disposed in an array, and specifically, referring to fig. 1 and fig. 2, the plurality of first electrodes 101 are spaced apart from each other by a certain distance, the plurality of second electrodes 121 are spaced apart from each other by a certain distance, and the plurality of first electrodes 101 and the plurality of second electrodes 121 are disposed opposite to each other. The plurality of receiving grooves 1011 are spaced apart from each other at a certain distance, so as to better control the amount of the bonding agent 11 filled in the plurality of receiving grooves 1011, thereby significantly saving material cost.
In the present embodiment, the surfaces of the plurality of receiving grooves 1011 are arc-shaped, so that the bonding agent 11 can be stably fixed in the plurality of receiving grooves 1011, it should be noted that the surface shapes of the plurality of receiving grooves 1011 are not limited to arc-shaped, and those skilled in the art can think of the plurality of receiving grooves 1011 with other surface shapes with reference to the present embodiment. Furthermore, the structure of the display panel provided in this embodiment can be applied to any bonding process, and therefore, the first substrate 10 can be a rigid substrate or a flexible substrate, the second substrate 12 can also be a rigid substrate or a flexible substrate, the rigid substrate can be made of epoxy resin, and the flexible substrate can be made of polyimide, polyethylene terephthalate, or polyethylene naphthalate.
As shown in fig. 3, to solve the above problem, another embodiment of the present invention further provides a method for manufacturing a structure of a display panel, including the following steps: s1, providing a first substrate, and forming a plurality of first electrodes on a surface of the first substrate; s2, forming a plurality of receiving grooves on a surface of the plurality of first electrodes; s3, filling the bonding agent in the plurality of receiving slots; s4, providing a second substrate, and forming a plurality of second electrodes corresponding to the plurality of first electrodes on a surface of the second substrate; s5, pressing the first substrate and the second substrate together to connect the first electrodes and the second electrodes via the bonding agent. It should be noted that, in other embodiments of the present invention, the plurality of receiving grooves may also be disposed on the plurality of second electrodes instead of the plurality of first electrodes.
In this embodiment, the surfaces of the plurality of receiving grooves are arc-shaped, so that the bonding agent can be stably fixed in the plurality of receiving grooves. The specific manufacturing method of the plurality of accommodating grooves is as follows: round hole patterns are formed on the first electrodes at certain intervals, the round hole patterns are etched by using a photoetching process to form a plurality of accommodating grooves with arc-shaped surfaces, the accommodating grooves are mutually spaced at certain intervals, so that the dosage of the bonding agent filled in the accommodating grooves is better controlled, and the material cost is remarkably saved. It should be noted that the surface shapes of the plurality of receiving grooves are not limited to circular arc shapes, and those skilled in the art can devise the plurality of receiving grooves with other surface shapes with reference to the embodiment. Furthermore, the manufacturing method of the display panel structure provided in this embodiment may be applied to any bonding process, and therefore, the first substrate may be a rigid substrate or a flexible substrate, the second substrate may also be a rigid substrate or a flexible substrate, the rigid substrate may be made of epoxy resin, and the flexible substrate may be made of polyimide, polyethylene terephthalate, or polyethylene naphthalate.
The bonding agent is an ACF including a metal and an insulating resin. Specifically, the bonding agent includes one or more of metal particles such as nickel, gold-plated on nickel, and silver-tin alloy, and the metal particles are coated with an insulating resin such as epoxy resin. The principle used in this embodiment is the same as that in the previous embodiment, and is not described again. In this embodiment, since the bonding agent is filled and fixed in the plurality of receiving grooves, when the insulating resin is broken, the metal particles are concentrated between the plurality of first electrodes and the plurality of second electrodes corresponding to each other, so that the number of the metal particles flowing between the plurality of first electrodes adjacent to each other is reduced, and by such a design, it is possible to enhance the conductive effect of the plurality of first electrodes and the plurality of second electrodes corresponding to each other and reduce the risk of the plurality of first electrodes disposed on the same plane being short-circuited to each other.
In the above embodiment, by improving the structure of the conventional display panel, the plurality of receiving grooves are formed on the electrodes on the substrate, and the bonding agent is filled in the plurality of receiving grooves, so that the conductive effect between the upper and lower electrodes is optimized, and the risk of short circuit between the adjacent left and right electrodes is reduced.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (10)
1. A structure of a display panel, comprising:
the display device comprises a first substrate, a second substrate and a plurality of first electrodes, wherein one surface of the first substrate is provided with the plurality of first electrodes;
a bonding agent;
a second substrate, wherein a surface of the second substrate is provided with a plurality of second electrodes;
wherein, a plurality of containing grooves are arranged on one surface of the plurality of first electrodes or the plurality of second electrodes, and the binding agent is arranged in the plurality of containing grooves and connects the plurality of first electrodes and the plurality of second electrodes.
2. The structure of the display panel of claim 1, wherein the surfaces of the plurality of receiving grooves are arc-shaped.
3. The display panel structure of claim 1, wherein the first substrate is a rigid substrate or a flexible substrate.
4. The display panel structure of claim 1, wherein the second substrate is a rigid substrate or a flexible substrate.
5. The structure of the display panel according to claim 1, wherein the bonding agent includes metal and insulating resin.
6. The structure of the display panel according to claim 1, wherein the plurality of first electrodes are spaced apart from each other at a distance, the plurality of second electrodes are spaced apart from each other at a distance, and the plurality of first electrodes and the plurality of second electrodes are disposed opposite to each other.
7. The structure of the display panel according to claim 1, wherein the plurality of receiving grooves are spaced apart from each other at a distance.
8. A manufacturing method of a display panel structure comprises the following steps:
s1, providing a first substrate, and forming a plurality of first electrodes on a surface of the first substrate;
s2, forming a plurality of receiving grooves on a surface of the plurality of first electrodes;
s3, filling the bonding agent in the plurality of receiving slots;
s4, providing a second substrate, and forming a plurality of second electrodes corresponding to the plurality of first electrodes on a surface of the second substrate;
s5, pressing the first substrate and the second substrate together to connect the first electrodes and the second electrodes via the bonding agent.
9. The method of claim 8, wherein the surfaces of the plurality of receiving grooves are arc-shaped.
10. The method of claim 8, wherein the plurality of receiving grooves are spaced apart from each other by a predetermined distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911276278.0A CN111179750A (en) | 2019-12-12 | 2019-12-12 | Structure of display panel and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911276278.0A CN111179750A (en) | 2019-12-12 | 2019-12-12 | Structure of display panel and manufacturing method thereof |
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| CN111179750A true CN111179750A (en) | 2020-05-19 |
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| CN201911276278.0A Pending CN111179750A (en) | 2019-12-12 | 2019-12-12 | Structure of display panel and manufacturing method thereof |
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Application publication date: 20200519 |