CN110109297B - Display panel and method for manufacturing the same - Google Patents
Display panel and method for manufacturing the same Download PDFInfo
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- CN110109297B CN110109297B CN201910249194.1A CN201910249194A CN110109297B CN 110109297 B CN110109297 B CN 110109297B CN 201910249194 A CN201910249194 A CN 201910249194A CN 110109297 B CN110109297 B CN 110109297B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims description 15
- 239000000758 substrate Substances 0.000 claims abstract description 77
- 239000000565 sealant Substances 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000010408 film Substances 0.000 description 48
- 238000005452 bending Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 2
- 229920001621 AMOLED Polymers 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000006467 substitution reaction 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
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
-
- 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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
Abstract
The application discloses display panel and manufacturing method thereof, through setting up binding area and breach in the frame district of array substrate, binding area and breach are listed as the setting, and binding area is perpendicular with the width direction in frame district with the breach is listed as, and flexible film is bound in binding the district and passes the breach in order to buckle to display panel's the back for when display panel does not have the frame, improve the binding yield of flexible film and array substrate.
Description
Technical Field
The present disclosure relates to display technologies, and particularly to a display panel and a manufacturing method thereof.
Background
Liquid Crystal Display (LCD) and Active Matrix Light Emitting diode (AMOLED) industries are changing day by day, and various Display technologies fill the market, and various high-tech material suppliers in the industry also propose more and more new technologies to be developed and under development.
Currently, users seek higher screen ratios in addition to better user experience, more exotic appearance, and longer endurance. In pursuit of a full screen and completely frameless display design, each large mobile phone manufacturer proposes a narrow-bezel design, even a visual frameless design. The size of the left and right frames of the display is reduced, and the frame width of a Liquid Crystal Module (LCM) in 14 years is 1.0mm, and the frame width of the current Liquid Crystal Module is 0.5mm, so that the size of the left and right frames of the display is greatly improved; the SumSun edge series mobile phones realize the visual frameless effect through the special design of the left edge and the right edge, and the upper frame and the lower frame of the mobile phones still cannot realize the frameless design.
As shown in fig. 1, the side bonding (side bonding) technique is an effective method for realizing a narrow bezel by bonding a flip-chip film 40 to the side surfaces of an array substrate 10 and a color filter substrate 20, and making an output pin on the flip-chip film 40 contact a metal line 12 on the array substrate 10 in the thickness direction of the metal line 12 (about 3000 angstroms) to reduce the lower bezel. However, for a high-resolution mobile phone, in the conventional side binding technology, since Low Temperature polysilicon has (LTPS) requirements for high resolution, thin line width and high precision, there are risks of poor contact and binding failure when side binding is adopted.
Therefore, a technical solution is needed to achieve a narrow frame of a display and ensure the bonding yield of the flip chip film.
Disclosure of Invention
The present disclosure is directed to a display panel and a manufacturing method thereof, in which the display panel has no frame and the bonding yield between a flexible film and the display panel is high.
In order to realize the purpose, the technical scheme is as follows:
a display panel, the display panel comprising:
the array substrate is provided with a display area and a frame area surrounding the periphery of the display area, a binding area is arranged in the frame area, the array substrate is provided with a notch, the notch is arranged in the frame area and is arranged in the same row with the binding area, and the row direction of the notch and the binding area is vertical to the width direction of the frame area;
and the flexible film is bound to the binding area and penetrates through the notch to be bent to one side of the array substrate, which is far away from the display area.
In the display panel, a first plane of the gap, which is close to the binding region, is an arc-shaped surface.
In the display panel, the flexible film includes an input portion and a main body portion connected to the input portion, and the input portion is bound to the binding region and passes through the notch so that the main body portion is located on a side of the array substrate away from the display region.
In the display panel, the display panel further includes a frame adhesive and a color film substrate, the color film substrate is arranged opposite to the array substrate, the frame adhesive is located in the frame area and on the flexible film of the binding area, and the frame adhesive is connected with the color film substrate and the array substrate.
In the display panel, the ratio of the length of the notch along the width direction of the frame area to the width of the frame area is 1/6-1/5.
A manufacturing method of a display panel, the manufacturing method comprising the steps of:
providing an array substrate and a flexible film, wherein the array substrate is provided with a display area and a frame area surrounding the periphery of the display area, and a binding area is arranged in the frame area;
forming a notch in the frame area of the array substrate, wherein the notch is arranged in the frame area, the binding areas are arranged in the same row, and the row direction of the notch and the binding areas is vertical to the width direction of the frame area;
and binding the flexible film to the binding area and penetrating through the notch to bend to one side of the array substrate far away from the display area.
In the manufacturing method of the display panel, the first plane of the notch close to the binding region is an arc-shaped plane.
In the manufacturing method of the display panel, the step of binding the flexible film to the binding region and bending the flexible film to the side of the array substrate away from the display region through the notch includes:
and binding an input part to the binding area and penetrating through the gap so that a main body part is positioned on one side of the array substrate away from the display area, wherein the flexible film comprises the input part and the main body part connected with the input part.
In the above method for manufacturing a display panel, the method further includes:
forming frame glue on the frame area and the flexible film of the frame area;
and placing a color film substrate on the frame glue so that the color film substrate is arranged opposite to the array substrate.
In the above manufacturing method of the display panel, a ratio of a length of the notch along the width direction of the frame region to the width of the frame region is 1/6-1/5.
Has the advantages that: the application provides a display panel and a manufacturing method thereof, a binding area and a notch are arranged in a frame area of an array substrate, the binding area and the notch are arranged in the same row, the binding area and the notch are arranged in the row and perpendicular to the width direction of the frame area, a flexible film is bound to the binding area and penetrates through the notch to be bent to the back of the display panel, so that the display panel is free of frames, and meanwhile the binding yield of the flexible film and the array substrate is improved.
Drawings
FIG. 1 is a schematic diagram of a conventional flip-chip on film bonded to a side of a display panel;
FIG. 2 is a schematic view of a first structure of a display panel according to an embodiment of the present application;
FIG. 3 is a top view of an array substrate of the display panel shown in FIG. 2;
FIG. 4 is a schematic view of a flexible film on the array substrate shown in FIG. 3;
FIG. 5 is a second structural diagram of a display panel according to an embodiment of the present application;
fig. 6 is a flowchart of a method for manufacturing a display panel according to an embodiment of the present application.
The attached drawings are marked as follows:
10 an array substrate; 20, a color film substrate; 30 of frame glue; 40 flip chip film, flexible film; 12 a metal wire; 100b a display area; 100a frame area; 100 a' binding region; 11 an input pin; a 100c notch; 41 an input part; 42 a main body portion; 43 a driver chip; 101 first plane.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 2, fig. 3 and fig. 4, fig. 2 is a schematic view of a first structure of a display panel according to an embodiment of the present disclosure, fig. 3 is a top view of an array substrate of the display panel shown in fig. 2, and fig. 4 is a schematic view of a flexible film on the array substrate shown in fig. 3. The display panel includes an array substrate 10, a color film substrate 20, a sealant 30, and a flexible film 40.
The array substrate 10 has a display area 100b and a frame area 100a surrounding the display area 100 b. The display area 100b has scan lines and data lines, and pixel units including thin film transistors are disposed in a region where two adjacent scan lines and two adjacent data lines vertically intersect. The frame area 100a is used for coating the frame glue 30 to connect the array substrate 10 and the color film substrate 20. A binding region 100a ' is arranged in the frame region 100a, the data line and the peripheral trace extend to the binding region 100a ', an input pin 11 is arranged in the binding region 100a ', a gate control signal is output to the peripheral trace through the input pin 11, the peripheral trace transmits the gate control signal to a scan driving circuit (not shown), the scan driving circuit outputs a scan signal to control the on-state of the thin film transistor, and the data signal is input through the input pin 11 and transmitted to the data line; the data line writes a data signal into the pixel unit through the thin film transistor.
The array substrate 10 has a notch 100c, the notch 100c is disposed in the frame area 100a and is disposed in the same row as the bonding area 100a ', and the row direction of the notch 100c and the bonding area 100 a' is perpendicular to the width direction of the frame area 100 a. The ratio of the length d1 of the notch 100c along the width direction of the frame area 100a to the width d2 of the frame area 100a is 1/6-1/5, so that the inclined segment of the peripheral trace extending to the bonding area 100 a' and the fan-shaped trace of the data line extending to the bonding area have enough wiring space in the width direction of the frame area 100 a.
The flexible film 40 may be a flip chip film or a flexible printed circuit board. The flexible film 40 includes an input portion 41 and a main body portion 42 connected to the input portion 41, wherein the input portion 41 is bound to the binding region 100 a' and passes through the notch 100c to locate the main body portion 42 on a side of the array substrate 10 away from the display region 100 b. When the input portion 41 is bound to the binding region 100a ', a side edge of the input portion 41 away from the display region 100b is located in the binding region 100 a', or is flush with an edge of the array substrate 10, that is, the side edge of the input portion 41 away from the display region 100b is not located outside the edge of the array substrate 10, and after the main body portion 42 is bent to the back of the array substrate 10, the main body portion 42 does not exceed the edge of the array substrate 10, so that the display panel has no frame. In addition, since the area of the input portion 41 contacting the input pin of the bonding region 100 a' is large, the yield of the flexible film 40 bonded on the display panel is increased. The flexible film 40 further includes a driving chip 43, and the driving chip 43 is disposed on the main body portion 42.
The sealant 30 is located in the frame area 100a and on the flexible film 40 of the binding area 100 a', and the sealant 30 is connected to the color film substrate 20 and the array substrate 10. The sealant 30 is an insulating sealant.
Please refer to fig. 5, which is a second structural schematic diagram of the display panel according to the embodiment of the present application, and is substantially similar to the display panel shown in fig. 2, except that the first plane 101 of the notch 100c near the bonding area 100 a' is an arc-shaped plane, so that the bending radian of the input portion 41 in the bending process is changed slowly to avoid the circuit on the input portion 41 from being broken due to bending.
According to the display panel, the binding area and the notch are arranged in the frame area of the array substrate, the binding area and the notch are arranged in the same row, the binding area is perpendicular to the width direction of the frame area where the notch is located, the flexible film is bound to the binding area and penetrates through the notch to be bent to the back of the display panel, and therefore when the display panel is free of the frame, the binding yield of the flexible film and the array substrate is improved.
Please refer to fig. 6, which is a flowchart illustrating a method for manufacturing a display panel according to an embodiment of the present disclosure. The manufacturing method of the display panel comprises the following steps:
s10, an array substrate and a flexible film are provided.
The array substrate is provided with a display area and a frame area surrounding the periphery of the display area, and a binding area is arranged in the frame area.
The flexible film includes an input portion and a main body portion connected to the input portion.
S11: a notch is formed in the frame area of the array substrate.
Specifically, a notch is formed by cutting and digging holes in the array substrate, the notch is arranged in the frame area and is arranged in the same row with the binding area, and the row direction of the notch and the binding area is perpendicular to the width direction of the frame area.
S12: and binding the flexible film on the binding area and penetrating through the notch to bend to the side of the array substrate far away from the display.
Specifically, the input part is bound on the binding area and penetrates through the notch so that the main body part is located on one side of the array substrate far away from the display area.
Furthermore, the first plane of the notch close to the binding area is an arc-shaped surface so that the bending radian in the bending process of the input part is slowly changed, and therefore the circuit on the input part is prevented from being broken due to bending.
Further, after step S12, the manufacturing method further includes the steps of: and forming frame glue on the frame area and the flexible thin film of the frame area, and arranging the color film substrate on the frame glue so that the color film substrate and the array substrate are oppositely arranged. And after the color film substrate and the array substrate are assembled in a pair, assembling the flexible film, wherein the assembling comprises mounting a driving chip and other devices on the main body part of the flexible film.
Further, the ratio of the length of the gap along the width direction of the bezel to the width of the bezel is 1/6-1/5, so that the inclined segment of the peripheral trace extending to the bonding area 100 a' and the fan-shaped trace of the data line extending to the bonding area have enough wiring space in the width direction of the bezel area 100 a.
According to the manufacturing method of the display panel, the binding area and the notch are arranged in the frame area of the array substrate, the binding area and the notch are arranged in the same row, the row of the binding area and the notch is perpendicular to the width direction of the frame area, the flexible film is bound to the binding area and penetrates through the notch to be bent to the back of the display panel, and therefore the binding yield of the flexible film and the array substrate is guaranteed while the display panel is free of frames.
The above description of the embodiments is only for assisting understanding of the technical solutions and the core ideas thereof; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A display panel, comprising:
the array substrate is provided with a display area and a frame area surrounding the periphery of the display area, a binding area is arranged in the frame area, the array substrate is provided with a notch, the notch is arranged in the frame area and is arranged in the same row with the binding area, the binding areas are arranged along the row direction, and the row of the notch and the binding area is vertical to the width direction of the frame area;
the flexible film is bound to the binding area and penetrates through the notch to be bent to one side, far away from the display area, of the array substrate;
any data line of the display area and the peripheral routing line connected with the data line extend to the binding area.
2. The display panel of claim 1, wherein the first plane of the notch adjacent to the bonding area is an arc-shaped plane.
3. The display panel of claim 1, wherein the flexible film comprises an input portion and a main body portion connected to the input portion, the input portion is bound to the binding region and passes through the gap so that the main body portion is located on a side of the array substrate away from the display region.
4. The display panel according to claim 1, wherein the display panel further comprises a sealant and a color film substrate, the color film substrate is disposed opposite to the array substrate, the sealant is located in the sealant region, the flexible film of the bonding region is located at a periphery of the sealant, and the sealant is connected to the color film substrate and the array substrate.
5. The display panel according to any one of claims 1 to 4, wherein the ratio of the length of the notch in the width direction of the border region to the width of the border region is 1/6-1/5.
6. A method of manufacturing a display panel, the method comprising:
providing an array substrate and a flexible film, wherein the array substrate is provided with a display area and a frame area surrounding the periphery of the display area, and a binding area is arranged in the frame area;
forming a gap in the frame area of the array substrate, wherein the gap is arranged in the frame area, the binding areas are arranged in the same row, the binding areas are arranged along the row direction, and the gap and the row of the binding areas are vertical to the width direction of the frame area;
binding the flexible film to the binding area and penetrating through the notch to be bent to one side of the array substrate far away from the display area;
any data line of the display area and the peripheral routing line connected with the data line extend to the binding area.
7. The method of claim 6, wherein the first plane of the notch adjacent to the bonding region is an arc-shaped plane.
8. The method for manufacturing the display panel according to claim 6, wherein the step of binding the flexible film to the binding region and passing through the notch to bend to the side of the array substrate away from the display region comprises the following steps:
and binding an input part to the binding area and penetrating through the gap so that a main body part is positioned on one side of the array substrate away from the display area, wherein the flexible film comprises the input part and the main body part connected with the input part.
9. The method for manufacturing a display panel according to claim 6, further comprising the steps of:
forming frame glue in the frame area, wherein the flexible film of the frame area is positioned at the periphery of the frame glue;
and placing a color film substrate on the frame glue so that the color film substrate is arranged opposite to the array substrate.
10. The method for manufacturing a display panel according to any one of claims 6 to 9, wherein a ratio of a length of the notch in the width direction of the bezel region to the width of the bezel region is 1/6 to 1/5.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910249194.1A CN110109297B (en) | 2019-03-29 | 2019-03-29 | Display panel and method for manufacturing the same |
| PCT/CN2019/106377 WO2020199518A1 (en) | 2019-03-29 | 2019-09-18 | Display panel and fabrication method therefor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910249194.1A CN110109297B (en) | 2019-03-29 | 2019-03-29 | Display panel and method for manufacturing the same |
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| CN110109297A CN110109297A (en) | 2019-08-09 |
| CN110109297B true CN110109297B (en) | 2021-06-22 |
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| WO (1) | WO2020199518A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110109297B (en) * | 2019-03-29 | 2021-06-22 | 武汉华星光电技术有限公司 | Display panel and method for manufacturing the same |
| CN110673409B (en) * | 2019-09-11 | 2020-11-24 | 深圳市华星光电技术有限公司 | Liquid crystal display module |
| WO2021227031A1 (en) * | 2020-05-15 | 2021-11-18 | 京东方科技集团股份有限公司 | Display panel, drive method therefor, and display device |
| CN111584518B (en) * | 2020-05-15 | 2022-07-12 | 武汉华星光电技术有限公司 | Array substrate, manufacturing method thereof and display panel |
| CN111591549A (en) * | 2020-05-25 | 2020-08-28 | 惠州市华星光电技术有限公司 | Packing case of display panel |
| CN113257143A (en) * | 2021-03-29 | 2021-08-13 | 北海惠科光电技术有限公司 | Display panel, display device and manufacturing method of display panel |
| CN113534516A (en) * | 2021-06-16 | 2021-10-22 | 北海惠科光电技术有限公司 | Array substrate, display device and manufacturing method of display device |
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- 2019-09-18 WO PCT/CN2019/106377 patent/WO2020199518A1/en active Application Filing
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| WO2020199518A1 (en) | 2020-10-08 |
| CN110109297A (en) | 2019-08-09 |
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