CN104808375A - Display panel, display device and manufacturing method - Google Patents
Display panel, display device and manufacturing method Download PDFInfo
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- CN104808375A CN104808375A CN201510232884.8A CN201510232884A CN104808375A CN 104808375 A CN104808375 A CN 104808375A CN 201510232884 A CN201510232884 A CN 201510232884A CN 104808375 A CN104808375 A CN 104808375A
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- array base
- base palte
- touch control
- display panel
- control electrode
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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
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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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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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
- G02F1/136—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
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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
- G02F1/136—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
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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
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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
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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
- G02F1/136—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
Abstract
The invention discloses a display panel, a display device and a manufacturing method. The display panel comprises an array substrate, a color film substrate and a display function layer, wherein the color film substrate is opposite to the array substrate; the display function layer is positioned between the array substrate and the color film substrate; the array substrate comprises a substrate base plate, a plurality of touch electrode blocks, a plurality of touch signal lines, a pixel electrode and a public electrode; the touch electrode blocks are arranged on the side, adjacent to the display function layer, of the array substrate; each touch signal line corresponds to one touch electrode block; the pixel electrode and the public electrode are arranged above a touch electrode block film layer and are electrically insulated; the side, far away from the display function layer, of the array substrate is a touch side. The display device comprises the display panel, a backlight module and a driving chip, wherein the backlight module is positioned on the side, far away from the display function layer, of the color film substrate of the display panel; the driving chip is used for a display driver and a touch driver. The compatibility, the product yield and the touch sensitivity of a preparation process are improved.
Description
Technical field
The embodiment of the present invention relates to technical field of touch-control display, particularly relates to a kind of display panel, display device and method for making.
Background technology
Along with the development of electronics technology, the function of display device is not limited only to receiving video signals and then shows, and display device now is also integrated with touch controllable function, namely can according to the touch control operation information of operator to display device, input control order.
There is the display device of touch controllable function at present, can be divided into according to structure: external hanging type touch screen, covering surfaces formula touch screen and embedded touch shield.Wherein, the touch control electrode of touch screen is embedded in LCDs inside by embedded touch screen, can the thickness of thinning module entirety, greatly can reduce again the cost of manufacture of touch screen, be subject to the favor of Ge great panel producer.
Existing embedded touch screen is for saving technological process, generally public electrode is multiplexed with touch control electrode, but the touch-control time can be compressed and take displaying time, so the structure of public electrode and touch control electrode time-sharing multiplex is difficult to adapt to the high resolving power of display panel and large-sized development trend.But the structure that traditional public electrode and touch control electrode are not multiplexing, generally touch control electrode is arranged on the side of color membrane substrates near liquid crystal layer, but because the rete on color membrane substrates is organism mostly, the adhesion of organism and touch control electrode is more weak, easy stripping, and when etching touch control electrode pattern, easily the organic film of color membrane substrates is damaged, processing compatibility is poor, and therefore volume production yield is low.In addition, owing to adopting color membrane substrates side as touch-control side, distant between position of touch and touch control electrode, touch-control sensitivity is poor.
Summary of the invention
The invention provides a kind of display panel, display device and method for making, to realize promoting preparation technology's compatibility, product yield and touch-control sensitivity.
First aspect, embodiments provides a kind of display panel, comprising: array base palte, the color membrane substrates be oppositely arranged with described array base palte, and the Presentation Function layer between described array base palte and described color membrane substrates;
Described array base palte comprises underlay substrate; Be arranged on multiple touch control electrode blocks of the contiguous Presentation Function layer side of described underlay substrate; Many touching signals lines, every bar touching signals line is corresponding with touch control electrode block to be arranged; To be arranged on above described touch control electrode block rete and the pixel electrode be electrically insulated and public electrode;
Wherein, described array base palte is touch-control side away from the side of described Presentation Function layer.
Further, described array base palte comprises the pixel cell of multiple arrangement in matrix, each pixel cell comprise a thin film transistor (TFT) and and a described pixel electrode, described pixel electrode is connected with the drain electrode of described thin film transistor (TFT), and described touch control electrode block is positioned at below the rete of described thin film transistor (TFT) place.
Further, described touching signals line and described touch control electrode block are arranged with layer or different layer.
Further, described thin film transistor (TFT) is top gate structure or bottom grating structure.
Further, when described thin film transistor (TFT) is bottom grating structure, described array base palte also comprises the light shield layer between described thin film transistor (TFT) and described substrate.
Further, described touching signals line and described light shield layer are arranged with layer, and are mutually electrically insulated.
Further, described touching signals line and the described light shield layer arranged with layer, in same manufacture craft, are made up of same material.
Further, described array base palte comprises a plurality of data lines and multi-strip scanning line, and described touching signals line is parallel with described data line or sweep trace, and is electrically insulated.
Further, the orthogonal projection of described touching signals line in described array base palte is positioned at the orthogonal projection at described array base palte of described data line or sweep trace.
Further, described public electrode and the same layer of described pixel electrode, or different layers is arranged.
Further, the quantity of described touch control electrode block is less than or equal to the quantity of described pixel cell.
Further, described touch control electrode block has fluting, is recessed at the orthogonal projection of described array base palte described in the orthogonal projection of described thin film transistor (TFT) in described array base palte is positioned at.
Further, described touch control electrode block has fluting, is recessed at the orthogonal projection of described array base palte described in the orthogonal projection of transmission region in described array base palte of described pixel cell is positioned at.
Further, described touch control electrode block has fluting, is recessed at the orthogonal projection of described array base palte described in the orthogonal projection of described pixel cell in described array base palte is positioned at.
Further, the spread geometry of the block-shaped and described pixel cell of described touch control electrode is identical.
Second aspect, the embodiment of the present invention additionally provides a kind of display device, comprising: the display panel according to any one of claim 1-15, and backlight module, driving chip;
Wherein, described backlight module is positioned at the side of color membrane substrates away from Presentation Function layer of described display panel;
Described driving chip is used for display driver and touch-control drives.
Further, described display device also comprises:
Be positioned at the electrostatic screening circuit of described display panel periphery, described electrostatic screening circuit on one side ground connection is arranged, one end connects driving chip, the other end connects corresponding touch control electrode block by each touching signals line, during the non-touch-control period, described driving chip controls described electrostatic screening circuit turn-on, to shield electrostatic.
Further, described electrostatic screening circuit comprises multiple thin film transistor (TFT), and wherein, the source ground of described thin film transistor (TFT) is arranged, the drain electrode of thin film transistor (TFT) connects corresponding public electrode block by each touching signals line, and the grid of thin film transistor (TFT) connects driving chip.
The third aspect, the embodiment of the present invention additionally provides a kind of method for making of display panel, comprising:
The underlay substrate of array base palte is formed multiple touch control electrode block and many touching signals lines, and every bar touching signals line is corresponding with touch control electrode block to be arranged, and electrical connection;
Form the public electrode and pixel electrode that are electrically insulated;
At described array base palte, color membrane substrates is set away from underlay substrate side;
Presentation Function layer is set between described array base palte and color membrane substrates;
Wherein, described array base palte is touch-control side away from the side of described Presentation Function layer.
The present invention by arranging multiple touch control electrode block on the underlay substrate of the contiguous Presentation Function layer side of array base palte, many touching signals lines, every bar touching signals line is corresponding with touch control electrode block to be arranged, above described touch control electrode block rete, the pixel electrode and public electrode that are electrically insulated are set, and be touch-control side by described array base palte away from the side of described Presentation Function layer, solve the problem that color membrane substrates preparation technology and touch control electrode preparation technology in prior art are incompatible, improve the sensitivity of product yield and touch-control.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
The part section structural representation of a kind of display panel that Fig. 1 provides for the embodiment of the present invention;
The part section structural representation of another display panel that Fig. 2 provides for the embodiment of the present invention;
The part section structural representation of another display panel that Fig. 3 provides for the embodiment of the present invention;
The part section structural representation of another display panel that Fig. 4 provides for the embodiment of the present invention;
The touch control electrode block that Fig. 5 provides for the embodiment of the present invention and the structural representation that touching signals line is arranged with layer;
The part section structural representation of another display panel that Fig. 6 provides for the embodiment of the present invention;
The part section structural representation of another display panel that Fig. 7 provides for the embodiment of the present invention;
The part section structural representation of another display panel that Fig. 8 provides for the embodiment of the present invention;
The part section structural representation of another display panel that Fig. 9 provides for the embodiment of the present invention;
A kind of touch control electrode block notching construction schematic diagram that Figure 10 provides for the embodiment of the present invention;
Another touch control electrode block notching construction schematic diagram that Figure 11 provides for the embodiment of the present invention;
Another touch control electrode block notching construction schematic diagram that Figure 12 provides for the embodiment of the present invention;
The cross-sectional view of a kind of display device that Figure 13 provides for the embodiment of the present invention;
The plan structure schematic diagram of another display device that Figure 14 provides for the embodiment of the present invention;
The structural representation of a kind of electrostatic screening circuit that Figure 15 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not entire infrastructure.
The embodiment of the present invention provides a kind of display panel.The part section structural representation of a kind of display panel that Fig. 1 provides for the embodiment of the present invention.As shown in Figure 1, described display panel comprises: array base palte 11, the color membrane substrates 12 be oppositely arranged with described array base palte 11, and the Presentation Function layer 13 between described array base palte 11 and described color membrane substrates 12; Wherein, described array base palte 11 comprises underlay substrate 111; Be arranged on multiple touch control electrode blocks 112 of contiguous Presentation Function layer 13 side of described underlay substrate 111; Many touching signals lines 113, every bar touching signals line 113 is corresponding with touch control electrode block 112 to be arranged; To be arranged on above described touch control electrode block 112 rete and the pixel electrode 114 be electrically insulated and public electrode 115; Wherein, described array base palte 11 is touch-control side away from the side of described Presentation Function layer 13.
The embodiment of the present invention is by arranging touch control electrode block first at array base palte, avoid in prior art the problem that when arranging touch control electrode block in color membrane substrates side, the incompatible yield caused of technique is low, because touch control electrode block and public electrode are not multiplexing, therefore without the need to compressing displaying time, large scale and high-resolution display panel can be prepared.The array base palte that the embodiment of the present invention provides, owing to adopting the side away from Presentation Function layer to be touch-control side, reduces the distance between finger touch position and touch control electrode block, therefore can promote the sensitivity of touch-control.
The display panel that the embodiment of the present invention provides is applicable to the liquid crystal drive pattern of FFS type and IPS type etc.In other embodiments, the structure of described display panel can have multiple concrete implementation, such as, below the thin film transistor (TFT) that touch control electrode block is positioned at array base palte or top, touching signals line and described touch control electrode block are arranged with layer or different layer, but as long as realizing, touch control electrode block is set in array base palte side be positioned at pixel electrode and public electrode institute below, touch control electrode and public electrode are not multiplexing, and using array base palte away from the side of Presentation Function layer as touch-control side.To be described in detail with regard to preferred embodiment below.
The part section structural representation of another display panel that Fig. 2 provides for the embodiment of the present invention.As shown in Figure 2, described display panel comprises: array base palte 21, the color membrane substrates 22 be oppositely arranged with described array base palte 21, and the Presentation Function layer 23 between described array base palte 21 and described color membrane substrates 22.Wherein, described array base palte 21 comprises underlay substrate 211; Be arranged on multiple touch control electrode blocks 212 of contiguous Presentation Function layer 23 side of underlay substrate 211; Many touching signals lines 213, every bar touching signals line 213 is corresponding with touch control electrode block 212 to be arranged; Described array base palte 21 comprises the pixel cell of multiple arrangement in matrix, each pixel cell comprise a thin film transistor (TFT) 214 and and a pixel electrode 215, pixel electrode 215 is connected 2141 with the drain electrode of thin film transistor (TFT) 214, and touch control electrode block 212 is positioned at above the rete of thin film transistor (TFT) 214 place; Be arranged on the public electrode 216 below pixel electrode 215, described pixel electrode 215 and public electrode 216 are electrically insulated.Wherein, described array base palte 21 is touch-control side away from the side of described Presentation Function layer 23.Wherein, described touch control electrode block 212 can also be positioned at below the rete of described thin film transistor (TFT) 214 place, as shown in Figure 3.The benefit of structure shown in Fig. 2 and Fig. 3 is: because described array base palte 21 is touch-control side away from the side of described Presentation Function layer 23, therefore touch control electrode block 212 is arranged on below the rete of described thin film transistor (TFT) 214 place, further reduce the distance of finger touch position and touch control electrode block, therefore touch-control accuracy is higher.
Top touching signals line being arranged on touch control electrode block that Fig. 1-Fig. 3 is exemplary, the restriction not to the embodiment of the present invention, optionally, described touching signals line can also be arranged on below described touch control electrode block rete, as shown in Figure 4.The part section structural representation of another display panel that Fig. 4 provides for the embodiment of the present invention.As shown in Figure 4, described display panel comprises: array base palte 41, the color membrane substrates 42 be oppositely arranged with described array base palte 41, and the Presentation Function layer 43 between described array base palte 41 and described color membrane substrates 42; Wherein, described array base palte 41 comprises underlay substrate 411; Be arranged on multiple touch control electrode blocks 412 of contiguous Presentation Function layer 43 side of described underlay substrate 411; Many touching signals lines 413, every bar touching signals line 413 is corresponding with touch control electrode block 412 to be arranged, described touching signals line 413 is positioned at below touch control electrode block 412, and be provided with insulation course between touching signals line 413 and touch control electrode block 412, touching signals line 413 is connected with corresponding touch control electrode block 412 by via hole.
Described array base palte 41 also comprises the pixel cell of multiple arrangement in matrix, each pixel cell comprise a thin film transistor (TFT) 414 and and a pixel electrode 415, pixel electrode 415 is connected 4141 with the drain electrode of thin film transistor (TFT) 414, and touch control electrode block 412 is positioned at below the rete of described thin film transistor (TFT) 414 place; Be arranged on the public electrode 416 below pixel electrode 415, pixel electrode 415 and public electrode 416 are electrically insulated.Wherein, array base palte 41 is touch-control side away from the side of Presentation Function layer 43.
In addition, described touching signals line can also be arranged with layer with touch control electrode block, the touch control electrode block that Fig. 5 provides for the embodiment of the present invention and the structural representation that touching signals line is arranged with layer, as shown in Figure 5, every bar touching signals line 511 is corresponding with touch control electrode block 512 to be arranged, and touch control electrode block 512 and touching signals line 511 are positioned at same rete, the two can in same manufacture craft, being made up of same material, because this reducing manufacturing process, having saved cost.
The thin film transistor (TFT) of what Fig. 2-Fig. 4 was exemplary select top gate structure, the restriction not to the embodiment of the present invention, optionally, thin film transistor (TFT) can also be bottom grating structure.The part section structural representation of another display panel that Fig. 6 provides for the embodiment of the present invention.As shown in Figure 6, described display panel comprises: array base palte 61, the color membrane substrates 62 be oppositely arranged with described array base palte 61, and the Presentation Function layer 63 between array base palte 61 and color membrane substrates 62.Wherein, array base palte 61 comprises underlay substrate 611; Be arranged on multiple touch control electrode blocks 612 of contiguous Presentation Function layer 63 side of underlay substrate 611; Many touching signals lines 613, every bar touching signals line 613 is corresponding with touch control electrode block 612 to be arranged, and touching signals line 613 is positioned at below touch control electrode block 612.Array base palte 61 also comprises the pixel cell of multiple arrangement in matrix, each pixel cell comprise a thin film transistor (TFT) 614 and and a pixel electrode 615, pixel electrode 615 is connected 6141 with the drain electrode of thin film transistor (TFT) 614, touch control electrode block 612 is positioned at below the rete of thin film transistor (TFT) 614 place, and thin film transistor (TFT) 714 is bottom grating structure; Be arranged on the public electrode 616 below pixel electrode 615, pixel electrode 615 and public electrode 616 are electrically insulated.Wherein, array base palte 61 is touch-control side away from the side of Presentation Function layer 63.
On the basis of above-described embodiment, according to the thin film transistor (TFT) of bottom grating structure, array base palte also comprises the light shield layer 617 between thin film transistor (TFT) and underlay substrate, as shown in Figure 7, for blocking the semiconductor layer 6142 of thin film transistor (TFT) 614, prevent from, because long illumination causes semiconductor layer 6142 to be degenerated, causing component failure.
On the basis of above-described embodiment, touching signals line 613 can be arranged with layer with light shield layer 617, and is mutually electrically insulated, and the benefit arranged like this is the thickness reducing display panel further.Optionally, touching signals line 613 can in same manufacture craft with the described light shield layer 617 arranged with layer, be made up of same material, only a mask etching technique is needed in manufacturing process, without the need to making mask plate and photoetching respectively to touching signals line and light shield layer, provide cost savings, decrease processing procedure quantity, improve production efficiency.
It should be noted that, on the basis of above-described embodiment, the display panel that the embodiment of the present invention provides, wherein each touch control electrode block can be electrically connected with many touching signals lines, the benefit of such setting to prevent wall scroll touching signals thread breakage from causing touch-control malfunctioning, and the quantity of the embodiment of the present invention to the touching signals line corresponding to each touch control electrode block is not restricted.In addition, every bar touching signals line can also be connected with corresponding touch control electrode block by multiple via hole, the benefit arranged like this be when can prevent via hole from connecting due to the touch-control Its Failures that loose contact causes, the resistance of touch control electrode block can also be reduced.
On the basis of above-described embodiment, optionally, array base palte also comprises a plurality of data lines and multi-strip scanning line, and the orthogonal projection of touching signals line on described array base palte is positioned at data line or the orthogonal projection of sweep trace on array base palte.The benefit of such setting to ensure that each touching signals line does not affect the aperture opening ratio of each pixel cell.
The top described pixel electrode being arranged on described public electrode that the various embodiments described above are exemplary, but not the restriction to the embodiment of the present invention.The part section structural representation of another display panel that Fig. 8 provides for the embodiment of the present invention, as shown in Figure 8, described display panel comprises: array base palte 81, the color membrane substrates 82 be oppositely arranged with array base palte 81, and the Presentation Function layer 83 between array base palte 81 and color membrane substrates 82; Wherein, array base palte 81 comprises underlay substrate 811; Be arranged on multiple touch control electrode blocks 812 of contiguous Presentation Function layer 83 side of underlay substrate 811; Many touching signals lines 813, every bar touching signals line 813 is corresponding with touch control electrode block 812 to be arranged, and this touching signals line 813 is positioned at below touch control electrode block 812.
Array base palte 81 comprises the pixel cell of multiple arrangement in matrix, each pixel cell comprise a thin film transistor (TFT) 814 and and a pixel electrode 815, pixel electrode 815 is connected 8141 with the drain electrode of thin film transistor (TFT) 814, touch control electrode block 812 is positioned at below the rete of thin film transistor (TFT) 814 place, and this thin film transistor (TFT) 814 is bottom grating structure.Be arranged on the public electrode 816 above pixel electrode 815, pixel electrode 815 and public electrode 816 are electrically insulated.Wherein, array base palte 81 is touch-control side away from the side of described Presentation Function layer 83.
Further, public electrode also can be arranged with layer with pixel electrode, and as shown in Figure 9, display panel comprises: array base palte 91, the color membrane substrates 92 be oppositely arranged with array base palte 91, and the Presentation Function layer 93 between array base palte 91 and color membrane substrates 92.Wherein, array base palte 91 comprises underlay substrate 911; Be arranged on multiple touch control electrode blocks 912 of contiguous Presentation Function layer 93 side of underlay substrate 911; Many touching signals lines 913, every bar touching signals line 913 is corresponding with touch control electrode block 912 to be arranged, and touching signals line 913 is positioned at below touch control electrode block 912.Array base palte 91 also comprises the pixel cell of multiple arrangement in matrix, each pixel cell comprise a thin film transistor (TFT) 914 and and a pixel electrode 915, described pixel electrode 915 is connected 9141 with the drain electrode of thin film transistor (TFT) 914, touch control electrode block 912 is positioned at below the rete of described thin film transistor (TFT) 914 place, and described thin film transistor (TFT) 914 is bottom grating structure.Also comprise the public electrode 916 arranged with layer with described pixel electrode 915.Wherein, described array base palte 91 is touch-control side away from the side of Presentation Function layer 93.
It should be noted that, various embodiments of the present invention all can adopt the thin film transistor (TFT) of top gate structure or the thin film transistor (TFT) of bottom grating structure, preferably, the thin film transistor (TFT) of top gate structure is used to make described display panel, the reason of such setting is, because touch-control side is the side of array base palte away from Presentation Function layer, therefore source light enters from color membrane substrates side, because the thin film transistor (TFT) of top gate structure blocks the irradiation of light source to the semiconductor layer of thin film transistor (TFT) in the side near color membrane substrates by grid, therefore without the need to arranging light shield layer to prevent the light-induced degradation of semiconductor layer, decrease manufacturing process, save cost.
On the various embodiments described above basis, optionally, the quantity of touch control electrode block is less than or equal to the quantity of pixel cell, and the benefit arranged so suitably to reduce the quantity of touching signals line, improves the transmittance of display panel.
In order to reduce influencing each other between touch control electrode block and thin film transistor (TFT), alternatively, fluting is set in touch control electrode block.A kind of touch control electrode block notching construction schematic diagram that Figure 10 provides for the embodiment of the present invention, as shown in Figure 10, the orthogonal projection of thin film transistor (TFT) 101 on array base palte is positioned at the orthogonal projection of fluting 103 on array base palte of touch control electrode block 102.
Another touch control electrode block notching construction schematic diagram that Figure 11 provides for the embodiment of the present invention, as shown in figure 11, the orthogonal projection of transmission region 1101 on array base palte of pixel cell is positioned at the orthogonal projection of fluting 1103 on array base palte of touch control electrode block 1102.The transmission region 1101 of pixel cell is positioned at transmission region 1101, and the transmitance of transmission region 1101 can be made to improve.
Another touch control electrode block notching construction schematic diagram that Figure 12 provides for the embodiment of the present invention, as shown in figure 12, the orthogonal projection of whole pixel cell 1201 on array base palte is positioned at the orthogonal projection of fluting 1203 on described array base palte of touch control electrode block 1202.The design of Figure 12 possesses the advantage of Figure 10 and Figure 11 two kinds of structures, namely reduces and reduces influencing each other between touch control electrode block and thin film transistor (TFT), improves again the transmitance of transmission region 1101, makes touch control display apparatus possess more superior performance.
On the various embodiments described above basis, optionally, according to the arrangement mode of pixel cell in display panel, the spread geometry arranging the block-shaped and described pixel cell of described touch control electrode is identical, 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 the cross-sectional view of a kind of display device that Figure 13 provides for the embodiment of the present invention, as shown in figure 13, described display device comprises: 131 display panels, backlight module 132, driving chip 133.Wherein, display panel 131 is the display panel described in the various embodiments described above, and backlight module 132 is positioned at the side of color membrane substrates 1311 away from Presentation Function layer 1312 of display panel 131, and driving chip 133 drives for display driver and touch-control.
The embodiment of the present invention is owing to have employed the display panel described in the various embodiments described above, this display panel is by arranging touch control electrode first at array base palte, avoid in prior art the problem that when arranging touch control electrode block in color membrane substrates side, the incompatible yield caused of technique is low, because touch control electrode block and public electrode are not multiplexing, therefore without the need to compressing displaying time, large scale and high-resolution display panel can be prepared, owing to adopting array base palte away from the side of Presentation Function layer as touch-control side, reduce the distance between finger touch position and touch control electrode block, improve the sensitivity of touch-control, therefore display device has this beneficial effect equally, in addition because the backlight module of described display device is positioned at the side of color membrane substrates away from Presentation Function layer of described display panel, therefore when the array base palte employing top gate structure of display panel, without the need to arranging light shield layer, decrease manufacturing process, save cost, improve production efficiency.It should be noted that, the embodiment of the present invention provides display device can also comprise other for the circuit of supporting touch control display apparatus normally to work and device.Above-mentioned display device can be the one in mobile phone, panel computer, Electronic Paper, digital photo frame.
The plan structure schematic diagram of another display device that Figure 14 provides for the embodiment of the present invention, described display device comprises: display panel 141, backlight module (not shown), driving chip 142.Wherein, described display panel 141 is the display panel described in the various embodiments described above, and described backlight module is positioned at the side of color membrane substrates away from Presentation Function layer of described display panel 141, and described driving chip 142 drives for display driver and touch-control.Described display device also comprises the electrostatic screening circuit 143 being positioned at described display panel 141 periphery, described electrostatic screening circuit 143 one end ground connection is arranged, one end connects driving chip 142, the other end connects corresponding touch control electrode block 1412 by each touching signals line 1411, when the non-touch-control period, described driving chip 142 controls the conducting of described electrostatic screening circuit 143, to shield electrostatic.The embodiment of the present invention arranges electrostatic screening circuit in described display panel periphery, and can be derived by the electrostatic produced on a display panel during finger touch in the non-touch-control period, shielding exterior static is on the impact of display.
In other embodiments, the structure of electrostatic screening circuit can have multiple concrete implementation, will be described in detail below with regard to preferred embodiment.
The structural representation of a kind of electrostatic screening circuit that Figure 15 provides for the embodiment of the present invention, as shown in figure 15, described electrostatic screening circuit comprises multiple thin film transistor (TFT) 151, wherein, source electrode 1511 ground connection of described thin film transistor (TFT) 151 is arranged, the drain electrode 1512 of thin film transistor (TFT) 151 connects corresponding touch control electrode block 153 by each touching signals line 152, and the grid 1513 of thin film transistor (TFT) 151 connects driving chip 154.Specific works principle is: a thin film transistor (TFT) in the corresponding electrostatic screening circuit of each touch control electrode block, after touch-control terminates, driving chip controls thin film transistor (TFT) and opens, electrostatic screening circuit turn-on, and the electrostatic retained on a display panel due to touch-control is derived by touching signals line and ground wire.
According to same design of the present invention, the embodiment of the present invention also provides a kind of method for making of display panel, comprise: on the underlay substrate of array base palte, form multiple touch control electrode block and many touching signals lines, every bar touching signals line is corresponding with touch control electrode block to be arranged, and electrical connection;
Form the public electrode and pixel electrode that are electrically insulated;
At described array base palte, color membrane substrates is set away from underlay substrate side;
Presentation Function layer is set between described array base palte and color membrane substrates;
Wherein, described array base palte is touch-control side away from the side of described Presentation Function layer.
The embodiment of the present invention is by arranging touch control electrode block first at array base palte, avoid in prior art the problem that when arranging touch control electrode block in color membrane substrates side, the incompatible yield caused of technique is low, because touch control electrode block and public electrode are not multiplexing, therefore without the need to compressing displaying time, large scale and high-resolution display panel can be prepared.The array base palte that the embodiment of the present invention provides, owing to adopting the side away from Presentation Function layer to be touch-control side, reduces the distance between finger touch position and touch control electrode block, therefore can promote the sensitivity of touch-control.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (19)
1. a display panel, is characterized in that, comprising: array base palte, the color membrane substrates be oppositely arranged with described array base palte, and the Presentation Function layer between described array base palte and described color membrane substrates;
Described array base palte comprises underlay substrate;
Be arranged on multiple touch control electrode blocks of the contiguous Presentation Function layer side of described underlay substrate;
Many touching signals lines, every bar touching signals line is corresponding with touch control electrode block to be arranged;
To be arranged on above described touch control electrode block rete and the pixel electrode be electrically insulated and public electrode;
Wherein, described array base palte is touch-control side away from the side of described Presentation Function layer.
2. display panel according to claim 1, it is characterized in that, described array base palte comprises the pixel cell of multiple arrangement in matrix, each pixel cell comprise a thin film transistor (TFT) and and a described pixel electrode, described pixel electrode is connected with the drain electrode of described thin film transistor (TFT), and described touch control electrode block is positioned at below the rete of described thin film transistor (TFT) place.
3. display panel according to claim 1, is characterized in that, described touching signals line and described touch control electrode block are arranged with layer or different layer.
4. display panel according to claim 1, is characterized in that, described thin film transistor (TFT) is top gate structure or bottom grating structure.
5. display panel according to claim 4, is characterized in that, when described thin film transistor (TFT) is bottom grating structure, described array base palte also comprises the light shield layer between described thin film transistor (TFT) and described substrate.
6. display panel according to claim 5, is characterized in that, described touching signals line and described light shield layer are arranged with layer, and are mutually electrically insulated.
7. display panel according to claim 6, is characterized in that, described touching signals line and the described light shield layer arranged with layer, in same manufacture craft, are made up of same material.
8. display panel according to claim 1, is characterized in that, described array base palte comprises a plurality of data lines and multi-strip scanning line, and described touching signals line is parallel with described data line or sweep trace, and is electrically insulated.
9. display panel according to claim 8, is characterized in that, the orthogonal projection of described touching signals line in described array base palte is positioned at the orthogonal projection at described array base palte of described data line or sweep trace.
10. display panel according to claim 1, is characterized in that, described public electrode and the same layer of described pixel electrode, or different layers is arranged.
11. display panels according to claim 1, is characterized in that, the quantity of described touch control electrode block is less than or equal to the quantity of described pixel cell.
12. display panels according to claim 1, is characterized in that, described touch control electrode block has fluting, are recessed at the orthogonal projection of described array base palte described in the orthogonal projection of described thin film transistor (TFT) in described array base palte is positioned at.
13. display panels according to claim 1, is characterized in that, described touch control electrode block has fluting, are recessed at the orthogonal projection of described array base palte described in the orthogonal projection of transmission region in described array base palte of described pixel cell is positioned at.
14. display panels according to claim 1, is characterized in that, described touch control electrode block has fluting, are recessed at the orthogonal projection of described array base palte described in the orthogonal projection of described pixel cell in described array base palte is positioned at.
15. display panels according to claim 1, is characterized in that, described touch control electrode is block-shaped identical with the spread geometry of pixel cell.
16. 1 kinds of display device, is characterized in that, comprising: the display panel according to any one of claim 1-15, and backlight module, driving chip;
Wherein, described backlight module is positioned at the side of color membrane substrates away from Presentation Function layer of described display panel;
Described driving chip is used for display driver and touch-control drives.
17. display device according to claim 16, is characterized in that, also comprise:
Be positioned at the electrostatic screening circuit of described display panel periphery, described electrostatic screening circuit on one side ground connection is arranged, one end connects driving chip, the other end connects corresponding touch control electrode block by each touching signals line, during the non-touch-control period, described driving chip controls described electrostatic screening circuit turn-on, to shield electrostatic.
18. display device according to claim 17, it is characterized in that, described electrostatic screening circuit comprises multiple thin film transistor (TFT), wherein, the source ground of described thin film transistor (TFT) is arranged, the drain electrode of thin film transistor (TFT) connects corresponding touch control electrode block by each touching signals line, and the grid of thin film transistor (TFT) connects driving chip.
The method for making of 19. 1 kinds of display panels, is characterized in that, comprising:
The underlay substrate of array base palte is formed multiple touch control electrode block and many touching signals lines, and every bar touching signals line is corresponding with touch control electrode block to be arranged, and electrical connection;
Form the public electrode and pixel electrode that are electrically insulated;
At described array base palte, color membrane substrates is set away from underlay substrate side;
Presentation Function layer is set between described array base palte and color membrane substrates;
Wherein, described array base palte is touch-control side away from the side of described Presentation Function layer.
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| CN110441968B (en) * | 2019-08-14 | 2022-07-12 | 京东方科技集团股份有限公司 | Liquid crystal display panel and display device |
| CN111596794A (en) * | 2020-05-13 | 2020-08-28 | 深圳市华星光电半导体显示技术有限公司 | Touch display panel and display device |
| WO2021248557A1 (en) * | 2020-06-11 | 2021-12-16 | 武汉华星光电半导体显示技术有限公司 | Touch display panel and display device |
| CN113658960A (en) * | 2020-12-31 | 2021-11-16 | 友达光电股份有限公司 | Pixel array substrate |
| CN113655914A (en) * | 2021-08-31 | 2021-11-16 | 深圳市华星光电半导体显示技术有限公司 | Array substrate, touch display panel and touch display device |
| CN113655914B (en) * | 2021-08-31 | 2023-10-17 | 深圳市华星光电半导体显示技术有限公司 | Array substrate, touch display panel and touch display device |
| CN113867564A (en) * | 2021-09-14 | 2021-12-31 | Tcl华星光电技术有限公司 | Touch control display panel |
| CN113867564B (en) * | 2021-09-14 | 2023-10-13 | Tcl华星光电技术有限公司 | Touch display panel |
| CN114356151A (en) * | 2021-12-28 | 2022-04-15 | 厦门天马微电子有限公司 | Display panel and display device |
| CN114755863A (en) * | 2022-04-19 | 2022-07-15 | 武汉华星光电技术有限公司 | Array substrate, display panel and display device |
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