CN108062174B - Flexible display device and method of manufacturing the same - Google Patents

Flexible display device and method of manufacturing the same Download PDF

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Publication number
CN108062174B
CN108062174B CN201610975554.2A CN201610975554A CN108062174B CN 108062174 B CN108062174 B CN 108062174B CN 201610975554 A CN201610975554 A CN 201610975554A CN 108062174 B CN108062174 B CN 108062174B
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layer
display device
flexible display
conductive layer
grid
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CN108062174A (en
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潘新叶
亢澎涛
鲁佳浩
林盈荣
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EverDisplay Optronics Shanghai Co Ltd
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EverDisplay Optronics Shanghai Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

The present invention provides a flexible display device and a method of manufacturing the same, the flexible display device including: a first flexible substrate; the organic light-emitting device layer is formed on one side of the first flexible substrate and comprises a plurality of pixel points, and each pixel point comprises a plurality of sub-pixels; the first conducting layer is formed on one side, far away from the first flexible substrate, of the organic light-emitting device layer and comprises a plurality of cathodes and a plurality of touch driving electrodes, and the cathodes are connected to the corresponding sub-pixels respectively; the second conducting layer is formed on one side, far away from the organic light-emitting device layer, of the first conducting layer, and at least patterned into a plurality of touch sensing electrodes; and the second flexible substrate is formed on one side of the second conducting layer, which is far away from the first conducting layer. The flexible display device can reduce the thickness of the flexible display device, integrates the touch function into the flexible display device, and improves the additional value of the flexible display device.

Description

Flexible display device and method of manufacturing the same
Technical Field
The invention relates to the field of OLED panel manufacturing processes, in particular to a flexible display device and a manufacturing method thereof.
Background
Flexible displays have been a research focus in the field of displays, and the advantage of flexibility is the bendable characteristic. However, the whole display panel needs a touch screen and a protection screen besides the display screen. The bending characteristics of the flexible display would be difficult to achieve if conventional means of attachment were used.
In view of the above, the inventors provide a flexible display device and a method of manufacturing the same.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a flexible display device and a manufacturing method thereof, which overcome the problem that the existing flexible product cannot be bent, can reduce the thickness of the flexible display device, integrate a touch function into the flexible display device and improve the additional value of the flexible display device.
According to an aspect of the present invention, there is provided a flexible display device including:
a first flexible substrate;
the organic light-emitting device layer is formed on one side of the first flexible substrate and comprises a plurality of pixel points, and each pixel point comprises a plurality of sub-pixels;
the first conducting layer is formed on one side, far away from the first flexible substrate, of the organic light-emitting device layer and comprises a plurality of cathodes and a plurality of touch driving electrodes, and the cathodes are connected to the corresponding sub-pixels respectively;
the second conducting layer is formed on one side, far away from the organic light-emitting device layer, of the first conducting layer, and at least patterned into a plurality of touch sensing electrodes; and
and the second flexible substrate is formed on one side of the second conducting layer, which is far away from the first conducting layer.
Preferably, the cathode and the touch driving electrode are arranged at intervals.
Preferably, the cathode is interlaced with the touch driving electrodes, the cathode is divided to form a grid array, and the sub-pixels are located in the range of each grid.
Preferably, the colors of two adjacent rows of the sub-pixels in the grid are different.
Preferably, the colors of two adjacent columns of the sub-pixels in the grid are different.
Preferably, the cathode is interlaced with the touch sensing electrode, the cathode is divided to form a grid array, and the sub-pixels are located in a grid of odd rows and odd columns or a grid of even rows and even columns in the grid.
Preferably, the cathode is interlaced with the touch sensing electrode, the cathode is divided to form a grid array, and the sub-pixels are located in a grid of odd rows and even columns or a grid of even rows and odd columns in the grid.
Preferably, the extending directions of the touch driving electrodes and the touch sensing electrodes are perpendicular to each other.
Preferably, the display device further comprises a thin film packaging layer formed between the first conductive layer and the second conductive layer.
Preferably, the display device further comprises a polarizer layer formed between the second conductive layer and the second flexible substrate.
According to another aspect of the present invention, there is provided a method of manufacturing a flexible display device, including the steps of:
step S101: providing a first flexible substrate;
step S102: forming an organic light emitting device layer on one side of the first flexible substrate, wherein the organic light emitting device layer comprises a plurality of pixel points, and each pixel point comprises a plurality of sub-pixels;
step S103: forming a first conductive layer on one side of the organic light-emitting device layer, which is far away from the first flexible substrate, wherein the first conductive layer comprises a plurality of cathodes and a plurality of touch driving electrodes, and the cathodes are respectively connected to the corresponding sub-pixels;
step S105: forming a second conductive layer on one side of the first conductive layer, which is far away from the organic light-emitting device layer, wherein the second conductive layer is at least patterned into a plurality of touch sensing electrodes; and
step S107: and forming a second flexible substrate on one side of the second conducting layer far away from the first conducting layer.
Preferably, between the step S103 and the step S105, further comprising:
step S104: and forming a thin film packaging layer between the first conductive layer and the second conductive layer.
Preferably, between the step S105 and the step S107, further comprising:
step S106: and forming a polarizer layer between the second conductive layer and the second flexible substrate.
Preferably, the cathode and the touch driving electrode are arranged at intervals.
In view of this, the flexible display device and the manufacturing method thereof of the present invention can reduce the thickness of the flexible display device, and integrate the touch function into the flexible display device, thereby increasing the added value of the flexible display device.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a cross-sectional view of a first flexible display device according to the invention;
fig. 2 is a top view of a first flexible display device according to the invention;
fig. 3 is a top view of a second flexible display device according to the invention;
fig. 4 is a cross-sectional view of a third flexible display device according to the invention;
fig. 5 is a top view of a third flexible display device according to the invention;
fig. 6 is a top view of a fourth flexible display device according to the invention; and
fig. 7 is a flow chart of a method of manufacturing a flexible display device of the present invention.
Reference numerals
1 first flexible substrate
2 organic light emitting device layer
21 red pixel
22 blue pixel
23 green pixel
3 first conductive layer
31 touch control driving electrode
32 cathode
33 cathode
4 thin film encapsulation layer
5 second conductive layer
51 touch control induction electrode
6 polarizer layer
7 second flexible substrate
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their repetitive description will be omitted.
The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In some instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring the invention.
Fig. 1 is a cross-sectional view of a first flexible display device according to the invention. Fig. 2 is a top view of a first flexible display device according to the invention. As shown in fig. 1 and 2, a first flexible display device of the present invention includes: the organic light emitting diode comprises a first flexible substrate 1, an organic light emitting device layer 2, a first conductive layer 3, a thin film packaging layer 4, a second conductive layer 5, a polarizer layer 6 and a second flexible substrate 7. The organic light emitting device layer 2 is formed on one side of the first flexible substrate 1, the organic light emitting device layer 2 includes a plurality of pixel points, and each pixel point includes a plurality of sub-pixels. The first conductive layer 3 is formed on the side of the organic light emitting device layer 2 away from the first flexible substrate 1. The first conductive layer 3 includes a plurality of cathodes 32 and a plurality of touch driving electrodes 31, and the cathodes 32 are respectively connected to the corresponding sub-pixels (red pixel 21, blue pixel 22, and green pixel 23). In the present embodiment, the cathode 32 and the touch driving electrode 31 are arranged at an interval, but not limited thereto. The thin film encapsulation layer 4 is formed on the side of the first conductive layer 3 away from the organic light emitting device layer 2. The second conductive layer 5 is formed on a side of the thin film encapsulation layer 4 away from the first conductive layer 3, and the second conductive layer 5 is at least patterned into a plurality of touch sensing electrodes 51. The extending directions of the touch driving electrode 31 and the touch sensing electrode 51 are perpendicular to each other, but not limited thereto. The second conductive layer 5 is a transparent conductive layer. The polarizer layer 6 is formed on the side of the second conductive layer 5 away from the thin-film encapsulation layer 4. A second flexible substrate 7 is formed on the side of the polarizer layer 6 remote from the second conductive layer 5.
In this embodiment, the sub-pixel to which each pixel belongs is only used to represent the image corresponding to the pixel. The cathode 32 is interlaced with the touch sensing electrode 51, the cathode 32 is divided by the touch sensing electrode 51 to form a grid array, and the sub-pixels are located in the range of each grid. The color of two adjacent rows of sub-pixels in the grid is different, but not limited to this. In one variation, the colors of two adjacent columns of subpixels in the grid are different.
The first flexible substrate 1, the polarizer layer 6 and the second flexible substrate 7 are made of flexible materials, so that the flexible display device has a touch function and good flexibility.
A control unit (not shown) of the present invention inputs a touch driving signal to the touch driving electrode 31, when an external finger touches the touch driving electrode, a capacitance at each intersection of the touch sensing electrode 51 and the touch driving electrode 31 changes, and receives a signal of the capacitance change on the touch sensing electrode 51 through a touch sensing electrode trace, thereby determining a touch position.
Fig. 3 is a top view of a second flexible display device according to the invention. As shown in fig. 3, a second flexible display device of the present invention includes: the organic light emitting device comprises a first flexible substrate 1, an organic light emitting device layer 2, a first conductive layer 3, a thin film packaging layer 4, a second conductive layer 5, a polarizer layer 6 and a second flexible substrate 7. The organic light emitting device layer 2 is formed on one side of the first flexible substrate 1, the organic light emitting device layer 2 includes a plurality of pixel points, and each pixel point includes a plurality of sub-pixels. The first conductive layer 3 is formed on the side of the organic light emitting device layer 2 away from the first flexible substrate 1. The first conductive layer 3 includes a plurality of cathodes 32 and a plurality of touch driving electrodes 31, and the cathodes 32 are respectively connected to the corresponding sub-pixels (red pixel 21, blue pixel 22, and green pixel 23). In the present embodiment, the cathode 32 and the touch driving electrode 31 are arranged at an interval, but not limited thereto. The thin film encapsulation layer 4 is formed on the side of the first conductive layer 3 away from the organic light emitting device layer 2. The second conductive layer 5 is formed on a side of the thin film encapsulation layer 4 away from the first conductive layer 3, and the second conductive layer 5 is at least patterned into a plurality of touch sensing electrodes 51. The extending directions of the touch driving electrode 31 and the touch sensing electrode 51 are perpendicular to each other, but not limited thereto. The second conductive layer 5 is a transparent conductive layer. The polarizer layer 6 is formed on the side of the second conductive layer 5 away from the thin-film encapsulation layer 4. A second flexible substrate 7 is formed on the side of the polarizer layer 6 remote from the second conductive layer 5.
In this embodiment, the sub-pixel to which each pixel belongs may share a pixel with other pixels to achieve high resolution and energy saving. The cathode 32 is interlaced with the touch sensing electrode 51, the cathode 32 is divided by the touch sensing electrode 51 to form a grid array, and the sub-pixels are located in a grid of odd rows and odd columns or a grid of even rows and even columns in the grid, but not limited thereto. In one variation, the subpixels are located in a grid of odd rows and even columns or a grid of even rows and odd columns in the grid.
The first flexible substrate 1, the polarizer layer 6 and the second flexible substrate 7 are made of flexible materials, so that the flexible display device has a touch function and good flexibility.
A control unit (not shown) of the present invention inputs a touch driving signal to the touch driving electrode 31, when an external finger touches the touch driving electrode, a capacitance at each intersection of the touch sensing electrode 51 and the touch driving electrode 31 changes, and receives a signal of the capacitance change on the touch sensing electrode 51 through a touch sensing electrode trace, thereby determining a touch position.
Fig. 4 is a cross-sectional view of a third flexible display device according to the invention. Fig. 5 is a top view of a third flexible display device according to the invention. As shown in fig. 4 and 5, a third flexible display device of the present invention includes: the organic light emitting diode comprises a first flexible substrate 1, an organic light emitting device layer 2, a first conductive layer 3, a thin film packaging layer 4, a second conductive layer 5, a polarizer layer 6 and a second flexible substrate 7. The organic light emitting device layer 2 is formed on one side of the first flexible substrate 1, the organic light emitting device layer 2 includes a plurality of pixel points, and each pixel point includes a plurality of sub-pixels. The first conductive layer 3 is formed on the side of the organic light emitting device layer 2 away from the first flexible substrate 1. The cathodes 33 are connected to the corresponding sub-pixels (red pixel 21, blue pixel 22, and green pixel 23), respectively. The thin film encapsulation layer 4 is formed on the side of the first conductive layer 3 away from the organic light emitting device layer 2. The second conductive layer 5 is formed on a side of the thin film encapsulation layer 4 away from the first conductive layer 3, and the second conductive layer 5 is at least patterned into a plurality of touch sensing electrodes 51. The extending directions of the cathode 33 configured as the touch electrode and the touch sensing electrode 51 are perpendicular to each other, but not limited thereto. The second conductive layer 5 is a transparent conductive layer. The polarizer layer 6 is formed on the side of the second conductive layer 5 away from the thin-film encapsulation layer 4. A second flexible substrate 7 is formed on the side of the polarizer layer 6 remote from the second conductive layer 5.
In this embodiment, the sub-pixel to which each pixel belongs is only used to represent the image corresponding to the pixel. The cathode 33 configured as a touch electrode is interlaced with the touch sensing electrode 51, the cathode 33 is divided by the touch sensing electrode 51 to form a grid array, and the sub-pixels are located in the range of each grid. The color of two adjacent rows of sub-pixels in the grid is different, but not limited to this. In one variation, the colors of two adjacent columns of subpixels in the grid are different.
The first flexible substrate 1, the polarizer layer 6 and the second flexible substrate 7 are made of flexible materials, so that the flexible display device has a touch function and good flexibility.
In the display phase, the cathode 33 in the present invention is configured as a common electrode to supply the operating voltage to the corresponding pixel. In the touch stage, a control unit (not shown) of the present invention inputs a touch driving signal to the cathode 33 configured as a touch electrode, when an external finger touches the touch driving signal, a capacitance at each intersection of the touch sensing electrode 51 and the cathode 33 configured as a touch electrode changes, and receives a signal of the capacitance change on the touch sensing electrode 51 through the touch sensing electrode trace, so as to determine a touch position.
Fig. 6 is a top view of a fourth flexible display device according to the invention. As shown in fig. 6, a fourth flexible display device of the present invention includes: the organic light emitting diode comprises a first flexible substrate 1, an organic light emitting device layer 2, a first conductive layer 3, a thin film packaging layer 4, a second conductive layer 5, a polarizer layer 6 and a second flexible substrate 7. The organic light emitting device layer 2 is formed on one side of the first flexible substrate 1, the organic light emitting device layer 2 includes a plurality of pixel points, and each pixel point includes a plurality of sub-pixels. The first conductive layer 3 is formed on the side of the organic light emitting device layer 2 away from the first flexible substrate 1. The cathodes 33 are connected to the corresponding sub-pixels (red pixel 21, blue pixel 22, and green pixel 23), respectively. The thin film encapsulation layer 4 is formed on the side of the first conductive layer 3 away from the organic light emitting device layer 2. The second conductive layer 5 is formed on a side of the thin film encapsulation layer 4 away from the first conductive layer 3, and the second conductive layer 5 is at least patterned into a plurality of touch sensing electrodes 51. The extending directions of the cathode 33 configured as the touch electrode and the touch sensing electrode 51 are perpendicular to each other, but not limited thereto. The second conductive layer 5 is a transparent conductive layer. The polarizer layer 6 is formed on the side of the second conductive layer 5 away from the thin-film encapsulation layer 4. A second flexible substrate 7 is formed on the side of the polarizer layer 6 remote from the second conductive layer 5.
In this embodiment, the sub-pixel to which each pixel belongs may share a pixel with other pixels to achieve high resolution and energy saving. The cathode 33 is interlaced with the touch sensing electrode 51, the cathode 33 is divided by the touch sensing electrode 51 to form a grid array, and the sub-pixels are located in a grid of odd rows and odd columns or a grid of even rows and even columns in the grid, but not limited thereto. In one variation, the subpixels are located in a grid of odd rows and even columns or a grid of even rows and odd columns in the grid.
The first flexible substrate 1, the polarizer layer 6 and the second flexible substrate 7 are made of flexible materials, so that the flexible display device has a touch function and good flexibility.
In the display phase, the cathode 33 in the present invention is configured as a common electrode to supply the operating voltage to the corresponding pixel. In the touch stage, a control unit (not shown) of the present invention inputs a touch driving signal to the cathode 33 configured as a touch electrode, when an external finger touches the touch driving signal, a capacitance at each intersection of the touch sensing electrode 51 and the cathode 33 configured as a touch electrode changes, and receives a signal of the capacitance change on the touch sensing electrode 51 through the touch sensing electrode trace, so as to determine a touch position.
Fig. 7 is a flow chart of a method of manufacturing a flexible display device of the present invention. As shown in fig. 7, the method for manufacturing a flexible display device of the present invention includes the steps of:
step S101: a first flexible substrate is provided.
Step S102: and forming an organic light-emitting device layer on one side of the first flexible substrate, wherein the organic light-emitting device layer comprises a plurality of pixel points, and each pixel point comprises a plurality of sub-pixels.
Step S103: and forming a first conductive layer on one side of the organic light-emitting device layer, which is far away from the first flexible substrate, wherein the first conductive layer comprises a plurality of cathodes and a plurality of touch drive electrodes, and the cathodes are respectively connected to the corresponding sub-pixels. The cathode and the touch driving electrode are arranged at an interval, but not limited thereto.
Step S104: a thin film encapsulation layer is formed between the first conductive layer and the second conductive layer.
Step S105: and forming a second conductive layer on one side of the first conductive layer, which is far away from the organic light-emitting device layer, wherein the second conductive layer is at least patterned into a plurality of touch sensing electrodes.
Step S106: and forming a polarizer layer between the second conductive layer and the second flexible substrate. And
step S107: and forming a second flexible substrate on one side of the second conductive layer far away from the first conductive layer.
In summary, the flexible display device and the manufacturing method thereof of the invention can reduce the thickness of the flexible display device, integrate the touch function into the flexible display device, and improve the added value of the flexible display device.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.

Claims (12)

1. A flexible display device, comprising:
a first flexible substrate;
the organic light-emitting device layer is formed on one side of the first flexible substrate and comprises a plurality of pixel points, and each pixel point comprises a plurality of sub-pixels;
the first conducting layer is formed on one side, far away from the first flexible substrate, of the organic light-emitting device layer and comprises a plurality of cathodes and a plurality of touch driving electrodes, the cathodes and the touch driving electrodes are arranged at intervals, and the cathodes are connected to the corresponding sub-pixels respectively;
the second conducting layer is formed on one side, far away from the organic light-emitting device layer, of the first conducting layer, the second conducting layer is at least patterned into a plurality of touch sensing electrodes, the cathodes are interwoven with the touch sensing electrodes, the cathodes are divided by the touch sensing electrodes to form a grid array, and the sub-pixels are located in the range of each grid; and
and the second flexible substrate is formed on one side of the second conducting layer, which is far away from the first conducting layer.
2. A flexible display device as claimed in claim 1, characterized in that: and the colors of two adjacent rows of the sub-pixels in the grid are different.
3. A flexible display device as claimed in claim 1, characterized in that: and the colors of the sub-pixels in two adjacent columns in the grid are different.
4. A flexible display device as claimed in claim 1, characterized in that: the sub-pixels are located in a grid of odd rows and odd columns or a grid of even rows and even columns in the grid.
5. A flexible display device as claimed in claim 1, characterized in that: the sub-pixels are located in a grid of odd rows and even columns or a grid of even rows and odd columns in the grid.
6. A flexible display device as claimed in claim 1, characterized in that: the extending directions of the touch driving electrodes and the touch sensing electrodes are perpendicular to each other.
7. A flexible display device as claimed in claim 1, characterized in that: the packaging structure also comprises a thin film packaging layer formed between the first conducting layer and the second conducting layer.
8. A flexible display device as claimed in claim 1, characterized in that: the polarizer layer is formed between the second conductive layer and the second flexible substrate.
9. A method of manufacturing a flexible display device, comprising the steps of:
step S101: providing a first flexible substrate;
step S102: forming an organic light emitting device layer on one side of the first flexible substrate, wherein the organic light emitting device layer comprises a plurality of pixel points, and each pixel point comprises a plurality of sub-pixels;
step S103: forming a first conductive layer on one side of the organic light-emitting device layer, which is far away from the first flexible substrate, wherein the first conductive layer comprises a plurality of cathodes and a plurality of touch driving electrodes, the cathodes and the touch driving electrodes are arranged at intervals, and the cathodes are respectively connected to the corresponding sub-pixels;
step S105: forming a second conductive layer on the first conductive layer at a side far from the organic light-emitting device layer, wherein the second conductive layer is at least patterned into a plurality of touch sensing electrodes, the cathodes are interwoven with the touch sensing electrodes, the cathodes are divided by the touch sensing electrodes to form a grid array, and the sub-pixels are located in the range of each grid; and
step S107: and forming a second flexible substrate on one side of the second conducting layer far away from the first conducting layer.
10. The method for manufacturing a flexible display device according to claim 9, wherein between the step S103 and the step S105, further comprising:
step S104: and forming a thin film packaging layer between the first conductive layer and the second conductive layer.
11. The method for manufacturing a flexible display device according to claim 9, wherein between the step S105 and the step S107, further comprising:
step S106: and forming a polarizer layer between the second conductive layer and the second flexible substrate.
12. A method of manufacturing a flexible display device according to claim 9, wherein: the cathode and the touch driving electrode are arranged at intervals.
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