CN104808375B - A kind of display panel, display device and production method - Google Patents
A kind of display panel, display device and production method Download PDFInfo
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- CN104808375B CN104808375B CN201510232884.8A CN201510232884A CN104808375B CN 104808375 B CN104808375 B CN 104808375B CN 201510232884 A CN201510232884 A CN 201510232884A CN 104808375 B CN104808375 B CN 104808375B
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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
- G02F1/13338—Input devices, e.g. touch 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
-
- 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
-
- 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
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- 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
-
- 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
- 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
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a kind of display panel, display device and production method, display panel includes: array substrate, the color membrane substrates being oppositely arranged with the array substrate, and the display function layer between the array substrate and the color membrane substrates；The array substrate includes underlay substrate；Multiple touch control electrode blocks of the underlay substrate adjacent to display function layer side are set；A plurality of touching signals line, every touching signals line are correspondingly arranged with a touch control electrode block；The pixel electrode and public electrode above the touch control electrode block film layer and being electrically insulated are set；Wherein, side of the array substrate far from the display function layer is touch-control side.Display device includes: above-mentioned display panel and backlight module, driving chip；Wherein, backlight module is located at the color membrane substrates of the display panel far from the side of display function layer；The driving chip improves preparation process compatibility, product yield and touch-control sensitivity for showing driving and touch-control driving.
Description
Technical field
The present embodiments relate to technical field of touch-control display more particularly to a kind of display panels, display device and production
Method.
Background technique
With the development of electronics technology, the function of display device is not limited only to reception vision signal and is then shown
Show, display device now is also integrated with touch function, can be defeated according to operator to the touch control operation information of display device
Enter control instruction.
At present with the display device of touch function, it can be divided into according to structure: external hanging type touch screen, covering surface-type touching
Control screen and embedded touch screen.Wherein, the touch control electrode of touch screen is embedded in inside liquid crystal display by embedded touch screen,
The thickness of mould group entirety can be thinned, and the cost of manufacture of touch screen can be substantially reduced, favored by major panel producer.
Existing embedded touch screen is to save process flow, and public electrode is generally multiplexed with touch control electrode, but touch-control
Time can compress the occupancy display time, so the structure of public electrode and touch control electrode time-sharing multiplex is difficult to adapt to display panel
High-resolution and large-sized development trend.But the structure that traditional public electrode and touch control electrode are not multiplexed usually will
Side of the color membrane substrates close to liquid crystal layer is arranged in touch control electrode, but since the film layer on color membrane substrates is organic matter mostly, has
The binding force of machine object and touch control electrode is weaker, is easily peeled off, and when etching touch control electrode pattern, is easy to color membrane substrates
Organic film damages, and processing compatibility is poor, therefore volume production yield is low.Further, since using color membrane substrates side as touch-control
Side, farther out, touch-control sensitivity is poor for the distance between position of touch and touch control electrode.
Summary of the invention
The present invention provides a kind of display panel, display device and production method, promotes preparation process compatibility to realize, produces
Product yield and touch-control sensitivity.
In a first aspect, the embodiment of the invention provides a kind of display panels, comprising: array substrate, with the array substrate
The color membrane substrates being oppositely arranged, and the display function layer between the array substrate and the color membrane substrates；
The array substrate includes underlay substrate；The underlay substrate is set adjacent to multiple touchings of display function layer side
Control electrode block；A plurality of touching signals line, every touching signals line are correspondingly arranged with a touch control electrode block；It is arranged in the touch-control
Above electrode block film layer and the pixel electrode and public electrode that are electrically insulated；
Wherein, side of the array substrate far from the display function layer is touch-control side.
Further, the array substrate includes multiple pixel units arranged in arrays, and each pixel unit includes one
A thin film transistor (TFT) and with a pixel electrode, the pixel electrode connects with the drain electrode of the thin film transistor (TFT), institute
It states below film layer where touch control electrode block is located at the thin film transistor (TFT).
Further, the touching signals line and the touch control electrode block same layer or different layer are arranged.
Further, the thin film transistor (TFT) is top gate structure or bottom grating structure.
Further, when the thin film transistor (TFT) is bottom grating structure, the array substrate further includes being located at the film
Light shield layer between transistor and the substrate.
Further, the touching signals line and the light shield layer same layer are arranged, and are mutually electrically insulated.
Further, the touching signals line and the light shield layer of same layer setting are in same manufacture craft, by of the same race
Material is made.
Further, the array substrate includes multiple data lines and multi-strip scanning line, the touching signals line with it is described
Data line or scan line are parallel, and are electrically insulated.
Further, orthographic projection of the touching signals line in the array substrate is located at the data line or scan line
In the orthographic projection in the array substrate.
Further, the public electrode and the pixel electrode same layer or different layers are arranged.
Further, the quantity of the touch control electrode block is less than or equal to the quantity of the pixel unit.
Further, the touch control electrode block has fluting, positive throwing of the thin film transistor (TFT) in the array substrate
Shadow is located at described be recessed in the orthographic projection in the array substrate.
Further, the touch control electrode block has fluting, and the transmission region of the pixel unit is in the array substrate
Interior orthographic projection is located at described be recessed in the orthographic projection in the array substrate.
Further, the touch control electrode block has fluting, orthographic projection of the pixel unit in the array substrate
In the orthographic projection being recessed in the array substrate.
Further, the touch control electrode is block-shaped identical as the spread geometry of the pixel unit.
Second aspect, the embodiment of the invention also provides a kind of display devices, comprising: any one of claim 1-15 institute
Display panel and backlight module, the driving chip stated；
Wherein, the backlight module is located at the color membrane substrates of the display panel far from the side of display function layer；
The driving chip is for showing driving and touch-control driving.
Further, the display device further include:
Electrostatic screen circuit positioned at the display panel periphery, the electrostatic screen circuit on one side ground connection setting, one end
Connecting driving chip, the other end is by the corresponding touch control electrode block of each touching signals line connection, when the non-touch-control period, the driving
The conducting of electrostatic screen circuit described in chip controls, to shield electrostatic.
Further, the electrostatic screen circuit includes multiple thin film transistor (TFT)s, wherein the source electrode of the thin film transistor (TFT)
The drain electrode of ground connection setting, thin film transistor (TFT) connects corresponding public electrode block, the grid of thin film transistor (TFT) by each touching signals line
Pole connects driving chip.
The third aspect, the embodiment of the invention also provides a kind of production methods of display panel, comprising:
Multiple touch control electrode blocks and a plurality of touching signals line, every touching signals are formed on the underlay substrate of array substrate
Line is correspondingly arranged with a touch control electrode block, and is electrically connected；
Form the public electrode and pixel electrode being electrically insulated；
In the separate underlay substrate side of the array substrate, color membrane substrates are set；
Display function layer is set between the array substrate and color membrane substrates；
Wherein, side of the array substrate far from the display function layer is touch-control side.
The present invention by the way that multiple touch control electrode blocks are arranged on the underlay substrate of display function layer side in array substrate,
A plurality of touching signals line, every touching signals line are correspondingly arranged with a touch control electrode block, on the touch control electrode block film layer
The pixel electrode and public electrode being electrically insulated just are set, and the side by the array substrate far from the display function layer is
Touch-control side solves the problems, such as that color membrane substrates preparation process in the prior art and touch control electrode preparation process are incompatible, improves
The sensitivity of product yield and touch-control.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is a kind of partial profile structure of display panel provided in an embodiment of the present invention；
Fig. 2 is the partial profile structure of another display panel provided in an embodiment of the present invention；
Fig. 3 is the partial profile structure of another display panel provided in an embodiment of the present invention；
Fig. 4 is the partial profile structure of another display panel provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of touch control electrode block provided in an embodiment of the present invention and the setting of touching signals line same layer；
Fig. 6 is the partial profile structure of another display panel provided in an embodiment of the present invention；
Fig. 7 is the partial profile structure of another display panel provided in an embodiment of the present invention；
Fig. 8 is the partial profile structure of another display panel provided in an embodiment of the present invention；
Fig. 9 is the partial profile structure of another display panel provided in an embodiment of the present invention；
Figure 10 is a kind of touch control electrode block notching construction schematic diagram provided in an embodiment of the present invention；
Figure 11 is another touch control electrode block notching construction schematic diagram provided in an embodiment of the present invention；
Figure 12 is another touch control electrode block notching construction schematic diagram provided in an embodiment of the present invention；
Figure 13 is a kind of the schematic diagram of the section structure of display device provided in an embodiment of the present invention；
Figure 14 is the overlooking structure diagram of another display device provided in an embodiment of the present invention；
Figure 15 is a kind of structural schematic diagram of electrostatic screen circuit provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
The embodiment of the present invention provides a kind of display panel.Fig. 1 is a kind of office of display panel provided in an embodiment of the present invention
Portion's the schematic diagram of the section structure.As shown in Figure 1, the display panel includes: array substrate 11, it is opposite with the array substrate 11 to set
The color membrane substrates 12 set, and the display function layer 13 between the array substrate 11 and the color membrane substrates 12；Wherein,
The array substrate 11 includes underlay substrate 111；The underlay substrate 111 is set adjacent to the multiple of 13 side of display function layer
Touch control electrode block 112；A plurality of touching signals line 113, every touching signals line 113 are correspondingly arranged with a touch control electrode block 112；
The pixel electrode 114 and public electrode 115 above 112 film layer of touch control electrode block and being electrically insulated are set；Wherein, described
Side of the array substrate 11 far from the display function layer 13 is touch-control side.
The embodiment of the present invention is avoided in the prior art by the way that touch control electrode block is first arranged in array substrate in color film base
The low problem of yield caused by technique is incompatible when touch control electrode block is arranged in plate side, not due to touch control electrode block and public electrode
Multiplexing can prepare large scale and high-resolution display panel there is no need to compress the display time.The embodiment of the present invention provides
Array substrate due to using the side far from display function layer for touch-control side, reduce finger touch position and touch control electrode block
The distance between, therefore the sensitivity of touch-control can be promoted.
Display panel provided in an embodiment of the present invention is applicable to the liquid crystal drive mode of FFS type and IPS type etc..At it
In his embodiment, the structure of the display panel can there are many concrete implementation modes, such as touch control electrode block to be located at battle array
The thin film transistor (TFT) below or above of column substrate, touching signals line and the touch control electrode block same layer or the setting of different layer etc., but only
Realize array substrate side setting touch control electrode block be located at pixel electrode and public electrode below, touch control electrode with it is public
Electrode is not multiplexed, and the side using array substrate far from display function layer is as touch-control side.It below will be with regard to preferred embodiment
It is described in detail.
Fig. 2 is the partial profile structure of another display panel provided in an embodiment of the present invention.As shown in Fig. 2,
The display panel includes: array substrate 21, the color membrane substrates 22 being oppositely arranged with the array substrate 21, and is located at described
Display function layer 23 between array substrate 21 and the color membrane substrates 22.Wherein, the array substrate 21 includes underlay substrate
211；Multiple touch control electrode blocks 212 of the underlay substrate 211 adjacent to 23 side of display function layer are set；A plurality of touching signals line
213, every touching signals line 213 is correspondingly arranged with a touch control electrode block 212；It is in matrix that the array substrate 21, which includes multiple,
The pixel unit of arrangement, each pixel unit include a thin film transistor (TFT) 214 and with a pixel electrode 215, pixel electricity
Pole 215 connects 2141 with the drain electrode of thin film transistor (TFT) 214, and touch control electrode block 212 is located in 214 place film layer of thin film transistor (TFT)
Side；Public electrode 216 below pixel electrode 215 is set, and the pixel electrode 215 and public electrode 216 are electrically insulated.Its
In, side of the array substrate 21 far from the display function layer 23 is touch-control side.Wherein, the touch control electrode block 212 is gone back
It can be located at below the 214 place film layer of thin film transistor (TFT), as shown in Figure 3.The benefit of structure shown in Fig. 2 and Fig. 3 is: due to
Side of the array substrate 21 far from the display function layer 23 is touch-control side, therefore touch control electrode block 212 is arranged in institute
It states below 214 place film layer of thin film transistor (TFT), further reduces the distance of finger touch position and touch control electrode block, therefore
Touch-control accuracy is higher.
The top of touch control electrode block is illustratively arranged in touching signals line by Fig. 1-Fig. 3, not to the embodiment of the present invention
Restriction, optionally, the touching signals line can also be arranged in below the touch control electrode block film layer, as shown in Figure 4.Fig. 4
For the partial profile structure of another display panel provided in an embodiment of the present invention.As shown in figure 4, the display panel
It include: array substrate 41, the color membrane substrates 42 being oppositely arranged with the array substrate 41, and it is located at 41 He of array substrate
Display function layer 43 between the color membrane substrates 42；Wherein, the array substrate 41 includes underlay substrate 411；Setting is in institute
State multiple touch control electrode blocks 412 of the underlay substrate 411 adjacent to 43 side of display function layer；A plurality of touching signals line 413, every touching
Control signal wire 413 is correspondingly arranged with a touch control electrode block 412, and the touching signals line 413 is located under touch control electrode block 412
Side, and is provided with insulating layer between touching signals line 413 and touch control electrode block 412, touching signals line 413 passes through via hole and right
The touch control electrode block 412 answered connects.
The array substrate 41 further includes multiple pixel units arranged in arrays, and each pixel unit includes a film
Transistor 414 and with a pixel electrode 415, pixel electrode 415 connects 4141 with the drain electrode of thin film transistor (TFT) 414, touch-control
Electrode block 412 is located at below the 414 place film layer of thin film transistor (TFT)；Public electrode below pixel electrode 415 is set
416, pixel electrode 415 and public electrode 416 are electrically insulated.Wherein, side of the array substrate 41 far from display function layer 43 is
Touch-control side.
In addition, the touching signals line can also be arranged with touch control electrode block same layer, Fig. 5 is provided in an embodiment of the present invention
The structural schematic diagram of touch control electrode block and the setting of touching signals line same layer, as shown in figure 5, every touching signals line 511 and one
Touch control electrode block 512 is correspondingly arranged, and touch control electrode block 512 and touching signals line 511 are located at same film layer, and the two can be in same system
Make in technique, be made of same material, therefore reduce manufacturing process, has saved cost.
Fig. 2-Fig. 4 illustratively selects the thin film transistor (TFT) of top gate structure, optional not to the restriction of the embodiment of the present invention
, thin film transistor (TFT) can also be bottom grating structure.Fig. 6 is the part section of another display panel provided in an embodiment of the present invention
Structural schematic diagram.As shown in fig. 6, the display panel includes: array substrate 61, the coloured silk being oppositely arranged with the array substrate 61
Ilm substrate 62, and the display function layer 63 between array substrate 61 and color membrane substrates 62.Wherein, array substrate 61 includes
Underlay substrate 611；Multiple touch control electrode blocks 612 of the underlay substrate 611 adjacent to 63 side of display function layer are set；A plurality of touch-control
Signal wire 613, every touching signals line 613 is correspondingly arranged with a touch control electrode block 612, and touching signals line 613 is located at
612 lower section of touch control electrode block.Array substrate 61 further includes multiple pixel units arranged in arrays, and each pixel unit includes one
A thin film transistor (TFT) 614 and with a pixel electrode 615, pixel electrode 615 connects with the drain electrode of thin film transistor (TFT) 614
6141, touch control electrode block 612 is located at below 614 place film layer of thin film transistor (TFT), and thin film transistor (TFT) 714 is bottom grating structure；Setting
Public electrode 616 below pixel electrode 615, pixel electrode 615 and public electrode 616 are electrically insulated.Wherein, array substrate
61 sides far from display function layer 63 are touch-control side.
On the basis of the above embodiments, according to the thin film transistor (TFT) of bottom grating structure, array substrate further includes positioned at thin
Light shield layer 617 between film transistor and underlay substrate, as shown in fig. 7, the semiconductor layer for blocking thin film transistor (TFT) 614
6142, it prevents that semiconductor layer 6142 is caused to be degenerated due to prolonged illumination, causes component failure.
On the basis of the above embodiments, touching signals line 613 can be arranged with 617 same layer of light shield layer, and mutually electrically
Insulation, the benefit being arranged in this way is the thickness for further decreasing display panel.Optionally, touching signals line 613 and same layer are arranged
The light shield layer 617 can be made in same manufacture craft of same material, only need exposure mask to carve in the production process
Etching technique saves cost, reduces processing procedure number without making mask plate and photoetching respectively to touching signals line and light shield layer
Amount, improves production efficiency.
It should be noted that on the basis of the above embodiments, display panel provided in an embodiment of the present invention, wherein each
Touch control electrode block can be electrically connected with a plurality of touching signals line, and it is disconnected that the benefit being arranged in this way can be prevented from single touching signals line
Split and cause touch-control failure, the embodiment of the present invention to the quantity of touching signals line corresponding to each touch control electrode block with no restriction.
In addition, every touching signals line can also be connected by multiple via holes with corresponding touch control electrode block, the benefit being arranged in this way is
The touch-control Its Failures as caused by poor contact when can prevent the via hole from connecting, can also reduce the electricity of touch control electrode block
Resistance.
On the basis of the above embodiments, optionally, array substrate further includes multiple data lines and multi-strip scanning line, touch-control
Signal wire is located at data line or scan line in the orthographic projection in array substrate in the orthographic projection in the array substrate.It sets in this way
The benefit set is can to guarantee that each touching signals line does not influence the aperture opening ratio of each pixel unit.
The top of the public electrode is illustratively arranged in the pixel electrode by the various embodiments described above, rather than to this hair
The restriction of bright embodiment.Fig. 8 is the partial profile structure of another display panel provided in an embodiment of the present invention, is such as schemed
Shown in 8, the display panel includes: array substrate 81, the color membrane substrates 82 being oppositely arranged with array substrate 81, and is located at battle array
Display function layer 83 between column substrate 81 and color membrane substrates 82；Wherein, array substrate 81 includes underlay substrate 811；Setting exists
Multiple touch control electrode blocks 812 of the underlay substrate 811 adjacent to 83 side of display function layer；A plurality of touching signals line 813, every touch-control
Signal wire 813 is correspondingly arranged with a touch control electrode block 812, which is located at 812 lower section of touch control electrode block.
Array substrate 81 includes multiple pixel units arranged in arrays, and each pixel unit includes a thin film transistor (TFT)
814 and with a pixel electrode 815, pixel electrode 815 connects 8141 with the drain electrode of thin film transistor (TFT) 814, touch control electrode block
812 are located at below 814 place film layer of thin film transistor (TFT), which is bottom grating structure.It is arranged in pixel electrode 815
The public electrode 816 of top, pixel electrode 815 and public electrode 816 are electrically insulated.Wherein, array substrate 81 is far from described aobvious
The side for showing functional layer 83 is touch-control side.
Further, public electrode can be also arranged with pixel electrode same layer, as shown in figure 9, display panel includes: array base
Plate 91, the color membrane substrates 92 being oppositely arranged with array substrate 91, and it is aobvious between array substrate 91 and color membrane substrates 92
Show functional layer 93.Wherein, array substrate 91 includes underlay substrate 911；It is arranged in underlay substrate 911 adjacent to display function layer 93 1
Multiple touch control electrode blocks 912 of side；A plurality of touching signals line 913, every touching signals line 913 and a touch control electrode block 912
It is correspondingly arranged, touching signals line 913 is located at 912 lower section of touch control electrode block.Array substrate 91 further includes multiple arranged in arrays
Pixel unit, each pixel unit include a thin film transistor (TFT) 914 and with a pixel electrode 915, the pixel electrode
915 connect 9141 with the drain electrode of thin film transistor (TFT) 914, and touch control electrode block 912 is located under the 914 place film layer of thin film transistor (TFT)
Side, the thin film transistor (TFT) 914 are bottom grating structure.It further include the public electrode 916 with 915 same layer of pixel electrode setting.
Wherein, side of the array substrate 91 far from display function layer 93 is touch-control side.
It should be noted that various embodiments of the present invention can be used top gate structure thin film transistor (TFT) or bottom grating structure it is thin
Film transistor, it is preferred that the display panel is made using the thin film transistor (TFT) of top gate structure, the reason of setting in this way is, by
In touch-control side be side of the array substrate far from display function layer, therefore source light from color membrane substrates side enter, due to top
The thin film transistor (TFT) of grid structure blocks light source to the semiconductor layer of thin film transistor (TFT) by grid in the side close to color membrane substrates
Irradiation, the light-induced degradation that there is no need to light shield layer is arranged to prevent semiconductor layer reduce manufacturing process, have saved cost.
On the basis of the various embodiments described above, optionally, the quantity of touch control electrode block is less than or equal to the quantity of pixel unit, this
The benefit of sample setting is can suitably to reduce the quantity of touching signals line, improves the light transmittance of display panel.
In order to reduce influencing each other between touch control electrode block and thin film transistor (TFT), optionally, set in touch control electrode block
Set fluting.Figure 10 is a kind of touch control electrode block notching construction schematic diagram provided in an embodiment of the present invention, and as shown in Figure 10, film is brilliant
Orthographic projection of the body pipe 101 in array substrate is located at the fluting 103 of touch control electrode block 102 in the orthographic projection in array substrate.
Figure 11 is another touch control electrode block notching construction schematic diagram provided in an embodiment of the present invention, as shown in figure 11, as
Orthographic projection of the transmission region 1101 of plain unit in array substrate is located at the fluting 1103 of touch control electrode block 1102 in array base
In orthographic projection on plate.The transmission region 1101 of pixel unit is located in transmission region 1101, can make transmission region 1101
Transmitance improve.
Figure 12 is another touch control electrode block notching construction schematic diagram provided in an embodiment of the present invention, as shown in figure 12, whole
Orthographic projection of a pixel unit 1201 in array substrate is located at the fluting 1203 of touch control electrode block 1202 in the array substrate
On orthographic projection in.The design of Figure 12 has the advantages of two kinds of structures of Figure 10 and Figure 11, that is, reduce reduce touch control electrode block and
Influencing each other between thin film transistor (TFT), and the transmitance of transmission region 1101 is improved, so that touch control display apparatus has more
Superior performance.
On the basis of the various embodiments described above, optionally, according to the arrangement mode of pixel unit in display panel, described in setting
Touch control electrode is block-shaped identical as the spread geometry of the pixel unit, avoids the visible problem of the display of touch control electrode block.
The embodiment of the present invention also provides a kind of display device, and Figure 13 is a kind of display device provided in an embodiment of the present invention
The schematic diagram of the section structure, as shown in figure 13, the display device include: 131 display panels, backlight module 132, driving chip
133.Wherein, display panel 131 is display panel described in the various embodiments described above, and backlight module 132 is located at display panel 131
Side of the color membrane substrates 1311 far from display function layer 1312, driving chip 133 is for showing driving and touch-control driving.
The embodiment of the present invention passes through as using display panel described in the various embodiments described above, the display panel in array
First touch control electrode is arranged in substrate, avoid in the prior art color membrane substrates side be arranged touch control electrode block when technique it is incompatible
Caused by the low problem of yield, there is no need to compress the display time, can be prepared since touch control electrode block is not multiplexed with public electrode
Large scale and high-resolution display panel, due to using side of the array substrate far from display function layer as touch-control side,
The distance between finger touch position and touch control electrode block are reduced, improves the sensitivity of touch-control, therefore display device is same
With the beneficial effect, additionally due to the backlight module of the display device is located at the color membrane substrates of the display panel far from aobvious
Show the side of functional layer, therefore when the array substrate of display panel uses top gate structure, no setting is required light shield layer reduces work
Skill processing procedure, has saved cost, improves production efficiency.It should be noted that the embodiment of the present invention display device is provided can be with
The circuit and device for including other being used to that touch control display apparatus to be supported to work normally.Above-mentioned display device can be mobile phone, put down
One of plate computer, Electronic Paper, digital photo frame.
Figure 14 is the overlooking structure diagram of another display device provided in an embodiment of the present invention, the display device packet
It includes: display panel 141, backlight module (not shown), driving chip 142.Wherein, the display panel 141 is above-mentioned each implementation
Display panel described in example, the backlight module are located at the color membrane substrates of the display panel 141 far from the one of display function layer
Side, the driving chip 142 is for showing driving and touch-control driving.The display device further includes being located at the display panel
The electrostatic screen circuit 143 of 141 peripheries, 143 one end of electrostatic screen circuit ground connection setting, one end connect driving chip 142,
The other end connects corresponding touch control electrode block 1412 by each touching signals line 1411, in the non-touch-control period, the driving core
Piece 142 controls the electrostatic screen circuit 143 and is connected, to shield electrostatic.The embodiment of the present invention is set in the display panel periphery
Electrostatic screen circuit is set, the electrostatic export that can be generated on a display panel when the non-touch-control period touching finger shields outer
Influence of portion's electrostatic to display.
In other embodiments, the structure of electrostatic screen circuit can be put up with below there are many concrete implementation mode
Preferred embodiment is described in detail.
Figure 15 is a kind of structural schematic diagram of electrostatic screen circuit provided in an embodiment of the present invention, as shown in figure 15, described
Electrostatic screen circuit includes multiple thin film transistor (TFT)s 151, wherein the source electrode 1511 of the thin film transistor (TFT) 151 is grounded setting, thin
The drain electrode 1512 of film transistor 151 connects corresponding touch control electrode block 153, thin film transistor (TFT) 151 by each touching signals line 152
Grid 1513 connect driving chip 154.Concrete operating principle are as follows: each touch control electrode block corresponds to one in electrostatic screen circuit
A thin film transistor (TFT), after touch-control, driving chip controls thin film transistor (TFT) and opens, electrostatic screen circuit conducting, due to touch-control
The electrostatic retained on a display panel passes through touching signals line and ground line export.
Same design according to the present invention, the embodiment of the present invention also provide a kind of production method of display panel, comprising:
Multiple touch control electrode blocks and a plurality of touching signals line, every touching signals line and a touching are formed on the underlay substrate of array substrate
Control electrode block is correspondingly arranged, and is electrically connected；
Form the public electrode and pixel electrode being electrically insulated；
In the separate underlay substrate side of the array substrate, color membrane substrates are set；
Display function layer is set between the array substrate and color membrane substrates；
Wherein, side of the array substrate far from the display function layer is touch-control side.
The embodiment of the present invention is avoided in the prior art by the way that touch control electrode block is first arranged in array substrate in color film base
The low problem of yield caused by technique is incompatible when touch control electrode block is arranged in plate side, not due to touch control electrode block and public electrode
Multiplexing can prepare large scale and high-resolution display panel there is no need to compress the display time.The embodiment of the present invention provides
Array substrate due to using the side far from display function layer for touch-control side, reduce finger touch position and touch control electrode block
The distance between, therefore the sensitivity of touch-control can be promoted.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (15)
1. a kind of display panel characterized by comprising array substrate, the color membrane substrates being oppositely arranged with the array substrate,
And the display function layer between the array substrate and the color membrane substrates；
The array substrate includes underlay substrate；
Multiple touch control electrode blocks of the underlay substrate adjacent to display function layer side are set；
A plurality of touching signals line, every touching signals line are correspondingly arranged with a touch control electrode block；
The pixel electrode and public electrode above the touch control electrode block film layer and being electrically insulated are set；
Wherein, side of the array substrate far from the display function layer is touch-control side；
The array substrate includes multiple pixel units arranged in arrays, and each pixel unit includes a thin film transistor (TFT)；
The touch control electrode block has fluting；
The thin film transistor (TFT) in the array substrate orthographic projection or the pixel unit in the array substrate just
Projection is located at described be recessed in the orthographic projection in the array substrate；
The display panel further includes driving chip and the electrostatic screen circuit positioned at the display panel periphery；
The driving chip is for showing driving and touch-control driving；The electrostatic screen circuit on one side ground connection setting, one end connection
The driving chip, the other end connect corresponding touch control electrode block by each touching signals line, when the non-touch-control period, the driving
The conducting of electrostatic screen circuit described in chip controls, to shield electrostatic.
2. display panel according to claim 1, which is characterized in that the array substrate includes multiple arranged in arrays
Pixel unit, each pixel unit include a thin film transistor (TFT) and with a pixel electrode, the pixel electrode and
The drain electrode of the thin film transistor (TFT) connects, where the touch control electrode block is located at the thin film transistor (TFT) below film layer.
3. display panel according to claim 1, which is characterized in that the touching signals line and the touch control electrode block are same
Layer or the setting of different layer.
4. display panel according to claim 1, which is characterized in that the thin film transistor (TFT) is top gate structure or bottom gate knot
Structure.
5. display panel according to claim 4, which is characterized in that when the thin film transistor (TFT) is bottom grating structure, institute
Stating array substrate further includes the light shield layer between the thin film transistor (TFT) and the color membrane substrates.
6. display panel according to claim 5, which is characterized in that the touching signals line is set with the light shield layer same layer
It sets, and is mutually electrically insulated.
7. display panel according to claim 6, which is characterized in that the screening of the touching signals line and same layer setting
Photosphere is made in same manufacture craft of same material.
8. display panel according to claim 1, which is characterized in that the array substrate includes multiple data lines and a plurality of
Scan line, the touching signals line is parallel with the data line or scan line, and is electrically insulated.
9. display panel according to claim 8, which is characterized in that the touching signals line is in the array substrate
Orthographic projection is located at the data line or scan line in the orthographic projection in the array substrate.
10. display panel according to claim 1, which is characterized in that the public electrode and the pixel electrode same layer,
Or different layers setting.
11. display panel according to claim 1, which is characterized in that the quantity of the touch control electrode block is less than or equal to institute
State the quantity of pixel unit.
12. display panel according to claim 1, which is characterized in that the touch control electrode is block-shaped with pixel unit
Spread geometry is identical.
13. a kind of display device characterized by comprising display panel of any of claims 1-12, and back
Optical mode group；
Wherein, the backlight module is located at the color membrane substrates of the display panel far from the side of display function layer.
14. display device according to claim 13, which is characterized in that the electrostatic screen circuit includes that multiple films are brilliant
Body pipe, wherein the source electrode of the thin film transistor (TFT) is grounded setting, and the drain electrode of thin film transistor (TFT) passes through the connection pair of each touching signals line
The grid of the touch control electrode block answered, thin film transistor (TFT) connects driving chip.
15. a kind of production method of display panel characterized by comprising
Form multiple touch control electrode blocks and a plurality of touching signals line on the underlay substrate of array substrate, every touching signals line with
One touch control electrode block is correspondingly arranged, and is electrically connected；
Form the public electrode and pixel electrode being electrically insulated；
In the separate underlay substrate side of the array substrate, color membrane substrates are set；
Display function layer is set between the array substrate and color membrane substrates；
Wherein, side of the array substrate far from the display function layer is touch-control side；The array substrate includes multiple
The pixel unit of matrix arrangement, each pixel unit include a thin film transistor (TFT)；The touch control electrode block has fluting；It is described
Thin film transistor (TFT) is located in the orthographic projection of orthographic projection or the pixel unit in the array substrate in the array substrate
In the orthographic projection being recessed in the array substrate；
Driving chip and the electrostatic screen circuit positioned at the display panel periphery are set；
The driving chip is for showing driving and touch-control driving；The electrostatic screen circuit on one side ground connection setting, one end connection
The driving chip, the other end connect corresponding touch control electrode block by each touching signals line, when the non-touch-control period, the driving
The conducting of electrostatic screen circuit described in chip controls, to shield electrostatic.
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| KR102600040B1 (en) * | 2018-08-03 | 2023-11-08 | 삼성디스플레이 주식회사 | Display device |
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