CN109920821A - Flexible display apparatus - Google Patents
Flexible display apparatus Download PDFInfo
- Publication number
- CN109920821A CN109920821A CN201910149364.9A CN201910149364A CN109920821A CN 109920821 A CN109920821 A CN 109920821A CN 201910149364 A CN201910149364 A CN 201910149364A CN 109920821 A CN109920821 A CN 109920821A
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- CN
- China
- Prior art keywords
- flexible
- conductive film
- anisotropic conductive
- display apparatus
- bonding pad
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Abstract
This announcement provides flexible display apparatus.The flexible display apparatus includes flexible panel, flexible bonding pad, anisotropic conductive film and integrated circuit.The flexibility bonding pad is arranged on the flexible panel.The two sides definition of the flexibility bonding pad has logicalnot circuit area, and logicalnot circuit area setting is fluted.The anisotropic conductive film is attached on the flexible bonding pad and is arranged in the groove in the logicalnot circuit area.The integrated circuit is attached in the anisotropic conductive film.This announcement can make have good adhesion strength between the anisotropic conductive film and the flexible bonding pad, so as to improve the separation problem between the anisotropic conductive film and the flexible bonding pad.
Description
[technical field]
This announcement is related to field of display technology, in particular to a kind of flexible display apparatus.
[background technique]
With the development of industrial technology technology, flexible display apparatus, such as flexible Organic Light Emitting Diode (organic
Light emitting diode, OLED) display device more and more attention has been paid to.Flexibility OLED display is being folded at present
The separation problem being be easy to cause in journey between anisotropic conductive film and flexible bonding pad.
Therefore it is in need a kind of flexible display apparatus is provided, it is of the existing technology to solve the problems, such as.
[summary of the invention]
In order to solve the above technical problems, the one of this announcement is designed to provide a flexible display apparatus, can make each to different
Property conductive film and flexible bonding pad between there is good adhesion strength, so as to improve the anisotropic conductive film and the flexibility
Separation problem between bonding pad.
To reach above-mentioned purpose, this announcement provides a flexible display apparatus.The flexible display apparatus include flexible panel,
Flexible bonding pad, anisotropic conductive film and integrated circuit.The flexibility bonding pad is arranged on the flexible panel.It is described
The two sides definition of flexible bonding pad has logicalnot circuit area, and logicalnot circuit area setting is fluted.The anisotropic conductive film patch
It is attached on the flexible bonding pad and is arranged in the groove in the logicalnot circuit area.The integrated circuit is attached to described each
On anisotropy conductive film.
In this announcement embodiment therein, the anisotropic conductive film covers the described recessed of the logicalnot circuit area
Slot.
In this announcement embodiment therein, the width range of the groove is between 1mm and 2mm.
In this announcement embodiment therein, the substantially u-shaped shape of anisotropic conductive film side view.
In this announcement embodiment therein, the anisotropic conductive film is the colloid with conducting particles.
In this announcement embodiment therein, the anisotropic conductive film, which has, contacts the more of the flexible bonding pad
A contact surface, the contact surface of the anisotropic conductive film include mutually perpendicular plane and vertical plane.
In this announcement embodiment therein, flexibility described in the plane contact of the anisotropic conductive film is combined
The upper surface of pad, and the side of flexibility bonding pad described in the vertical face contact of the anisotropic conductive film.
In this announcement embodiment therein, the flexible panel includes fexible film and array film, the battle array
Column film is provided with the groove in the logicalnot circuit area.
In this announcement embodiment therein, the fexible film is provided with the groove in the logicalnot circuit area.
In this announcement embodiment therein, the material of the fexible film includes polyimides.
Since in the flexible display apparatus of this revealed embodiment, the two sides definition of the flexibility bonding pad has non-thread
Road area and logicalnot circuit area setting is fluted, the anisotropic conductive film is attached on the flexible bonding pad and setting exists
In the groove in the logicalnot circuit area, it can make to have between the anisotropic conductive film and the flexible bonding pad good
Adhesion strength, so as to improve the separation problem between the anisotropic conductive film and the flexible bonding pad.
For the above content of this announcement can be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate institute's accompanying drawings, makees
Detailed description are as follows:
[Detailed description of the invention]
Fig. 1 shows the side schematic view of the flexible display apparatus of the embodiment according to this announcement；
Fig. 2 shows the schematic top view of the flexible display apparatus of the embodiment according to this announcement；
Fig. 3 shows the schematic diagram of the flexible display apparatus of the embodiment according to this announcement；
Fig. 4 shows the schematic diagram of the flexible display apparatus of the embodiment according to this announcement；And
Fig. 5 shows the schematic diagram of the flexible display apparatus of the embodiment according to this announcement.
[specific embodiment]
In order to which the above-mentioned and other purposes of this announcement, feature, advantage can be clearer and more comprehensible, it is excellent that spy is hereafter lifted into this announcement
Embodiment is selected, and cooperates institute's accompanying drawings, is described in detail below.Furthermore the direction term that this announcement is previously mentioned, such as above and below,
Top, bottom, front, rear, left and right, inside and outside, side layer, around, center, it is horizontal, laterally, vertically, longitudinally, axial direction, radial direction, top layer or
Lowest level etc. is only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand this announcement, and
It is non-to limit this announcement.
The similar unit of structure is to be given the same reference numerals in the figure.
Referring to FIG. 1 and FIG. 2, the flexible display apparatus 100 of an embodiment of this announcement includes flexible panel 110, flexible knot
Close pad (bonding pad) 120, anisotropic conductive film 130 (anisotropic conductive film, ACF) and collection
At circuit (integrated circuit, IC) 140.The flexibility bonding pad 120 is arranged on the flexible panel 110.Institute
The two sides definition for stating flexible bonding pad 120 has logicalnot circuit area 150 and the logicalnot circuit area 150 to be arranged fluted 160.It is described respectively to
Anisotropic conductive film 130 is attached on the flexible bonding pad 120 and is arranged in the groove 160 in the logicalnot circuit area 150.
The integrated circuit 140 is attached in the anisotropic conductive film 130.This revealed embodiment can make the anisotropy
There is good adhesion strength between conductive film 130 and the flexible bonding pad 120, so as to improve the anisotropic conductive film
Separation (peeling) problem between 130 and the flexible bonding pad 120.
Specifically, the groove 160 is dug in the two sides (the i.e. described logicalnot circuit area 150) of the flexible bonding pad 120, then
When the anisotropic conductive film 130 pressing attaches to the flexible bonding pad 120, the anisotropic conductive film 130 flows
Solidify to the groove 160, and in the groove 160, states anisotropic conductive film 130 and the flexible knot to reach increase
The adhesion strength between pad 120 is closed, so as to improve point between the anisotropic conductive film 130 and the flexible bonding pad 120
From problem, that is, improve the separation problem of the integrated circuit 140, preferably completes the bending of the flexible display apparatus 100.
The flexible display apparatus 100 is, for example, flexible Organic Light Emitting Diode (organic light emitting
Diode, OLED) display device.This revealed embodiment can be applied to COP (chip on plastic) processing procedure, that is, pass through by
The integrated circuit 140 is mounted on flexible circuit board with part winding displacement, and winding displacement chip area is folded to the screen back side to realize
Narrow frame.Due in this revealed embodiment, the anisotropic conductive film 130 be attached on the flexible bonding pad 120 and
It is arranged in the groove 160 in the logicalnot circuit area 150, the anisotropic conductive film 130 and the flexible knot can be made
Closing has good adhesion strength between pad 120, be easy to cause in the process of bending so as to improve the flexible OLED display
COP processing procedure Problem of Failure improves the separation problem of the integrated circuit 140, preferably complete the flexibility OLED display dress
The bending set.
In this announcement embodiment therein, the anisotropic conductive film 130 covers the institute in the logicalnot circuit area 150
State groove 160.Specifically, the width range of the groove 160 is between 1mm and 2mm.The anisotropic conductive film 130
The substantially u-shaped shape of side view.
In this announcement embodiment therein, the anisotropic conductive film 130, which has, contacts the flexible bonding pad
120 multiple contact surfaces, the contact surface of the anisotropic conductive film 130 include mutually perpendicular plane 132 and vertical
Face 134.The plane 132 of the anisotropic conductive film 130 contacts the upper surface 122 of the flexible bonding pad 120, and institute
The vertical plane 134 for stating anisotropic conductive film 130 contacts the side 124 of the flexible bonding pad 120.The implementation of this announcement
(plane is changed to plane and hangs down example by way of changing the anisotropic conductive film 130 and contacting the flexible bonding pad 120
Face directly) Lai Zengjia adhesion strength.
Referring to Fig. 3, in this announcement embodiment therein, the flexible panel 110 includes fexible film 112 and battle array
Column film 114, the array film 114 are provided with the groove 160 in the logicalnot circuit area 150.
Referring to Fig. 4, in this announcement embodiment therein, the fexible film 112 is arranged in the logicalnot circuit area 150
There is the groove 160.Specifically, the material of the fexible film 112 includes polyimides.
Referring to Fig. 5, in this announcement embodiment therein, the anisotropic conductive film 130 is with conducting particles
136 colloid 138.After the colloid 138 solidifies in the groove 160, it can greatly increase the anisotropic conductive film
130 with the adhesion strength of the flexible bonding pad 120.
Referring to Fig. 3 to Fig. 5, in this announcement embodiment therein, the array film 114 is slow including what is set gradually
Rush layer 1141, semiconductor layer 1142, first grid insulating layer 1143, first grid 1144, second grid insulating layer 1145, second
Grid 1146, interlevel dielectric layer 1147 and flatness layer 1148.The buffer layer 1141, the first grid insulating layer 1143,
The second grid insulating layer 1145, the interlevel dielectric layer 1147 and the flatness layer 1148 are in the logicalnot circuit area 150
It is provided with the groove 160.
Since in the flexible display apparatus of this revealed embodiment, the two sides definition of the flexibility bonding pad has non-thread
Road area and logicalnot circuit area setting is fluted, the anisotropic conductive film is attached on the flexible bonding pad and setting exists
In the groove in the logicalnot circuit area, it can make to have between the anisotropic conductive film and the flexible bonding pad good
Adhesion strength preferably completed so as to improve the separation problem between the anisotropic conductive film and the flexible bonding pad
The bending of the flexible display apparatus.
Although this announcement, those skilled in the art have shown and described relative to one or more implementations
It will be appreciated that equivalent variations and modification based on the reading and understanding to the specification and drawings.This announcement includes all such repairs
Change and modification, and is limited only by the scope of the following claims.In particular, to various functions executed by the above components, use
It is intended to correspond in the term for describing such component and executes the specified function of the component (such as it is functionally of equal value
) random component (unless otherwise instructed), even if in structure with execute the exemplary of this specification shown in this article and realize
The open structure of function in mode is not equivalent.In addition, although the special characteristic of this specification is relative to several realization sides
Only one in formula is disclosed, but this feature can with such as can be for a given or particular application expectation and it is advantageous
One or more other features combinations of other implementations.Moreover, with regard to term " includes ", " having ", " containing " or its deformation
For being used in specific embodiments or claims, such term is intended to wrap in a manner similar to the term " comprising "
It includes.
The above is only the preferred embodiments of this announcement, it is noted that for those of ordinary skill in the art, is not departing from
Under the premise of this announcement principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as the guarantor of this announcement
Protect range.
Claims (10)
1. a kind of flexible display apparatus characterized by comprising
Flexible panel；
Flexible bonding pad is arranged on the flexible panel, wherein the two sides definition of the flexibility bonding pad has logicalnot circuit area, and
The logicalnot circuit area setting is fluted；
Anisotropic conductive film is attached on the flexible bonding pad and is arranged in the groove in the logicalnot circuit area；With
And
Integrated circuit is attached in the anisotropic conductive film.
2. flexible display apparatus as described in claim 1, which is characterized in that the anisotropic conductive film covering is described non-thread
The groove in road area.
3. flexible display apparatus as described in claim 1, which is characterized in that the width range of the groove is in 1mm and 2mm
Between.
4. flexible display apparatus as described in claim 1, which is characterized in that the anisotropic conductive film side view is substantially in U
Word shape.
5. flexible display apparatus as described in claim 1, which is characterized in that the anisotropic conductive film is with conductive particle
The colloid of son.
6. flexible display apparatus as described in claim 1, which is characterized in that the anisotropic conductive film has described in contact
Multiple contact surfaces of flexible bonding pad, the contact surface of the anisotropic conductive film include mutually perpendicular plane and vertical
Face.
7. flexible display apparatus according to claim 6, which is characterized in that the plane of the anisotropic conductive film
Contact the upper surface of the flexible bonding pad, and flexibility bonding pad described in the vertical face contact of the anisotropic conductive film
Side.
8. flexible display apparatus according to claim 1, which is characterized in that the flexible panel include fexible film and
Array film, the array film are provided with the groove in the logicalnot circuit area.
9. flexible display apparatus according to claim 8, which is characterized in that the fexible film is set in the logicalnot circuit area
It is equipped with the groove.
10. flexible display apparatus according to claim 9, which is characterized in that the material of the fexible film includes polyamides
Imines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910149364.9A CN109920821B (en) | 2019-02-28 | 2019-02-28 | Flexible display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910149364.9A CN109920821B (en) | 2019-02-28 | 2019-02-28 | Flexible display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109920821A true CN109920821A (en) | 2019-06-21 |
| CN109920821B CN109920821B (en) | 2022-02-01 |
Family
ID=66962613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910149364.9A Active CN109920821B (en) | 2019-02-28 | 2019-02-28 | Flexible display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109920821B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872077A (en) * | 2012-12-10 | 2014-06-18 | 三星显示有限公司 | Display device and method of manufacturing same |
| CN108877501A (en) * | 2018-07-02 | 2018-11-23 | 京东方科技集团股份有限公司 | Display panel and preparation method thereof, display device |
-
2019
- 2019-02-28 CN CN201910149364.9A patent/CN109920821B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872077A (en) * | 2012-12-10 | 2014-06-18 | 三星显示有限公司 | Display device and method of manufacturing same |
| CN108877501A (en) * | 2018-07-02 | 2018-11-23 | 京东方科技集团股份有限公司 | Display panel and preparation method thereof, display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109920821B (en) | 2022-02-01 |
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