CN204706018U

CN204706018U - Touch-control display panel and display device

Info

Publication number: CN204706018U
Application number: CN201520464820.6U
Authority: CN
Inventors: 王磊; 陈小川; 王海生; 杨盛际; 许睿; 王倩; 李昌峰; 杨明; 卢鹏程; 丁小梁; 刘伟; 刘红娟; 刘英明; 赵卫杰; 吕振华; 王世君
Original assignee: BOE Technology Group Co Ltd; Beijing BOE Optoelectronics Technology Co Ltd
Current assignee: BOE Technology Group Co Ltd; Beijing BOE Optoelectronics Technology Co Ltd
Priority date: 2015-06-30
Filing date: 2015-06-30
Publication date: 2015-10-14
Anticipated expiration: 2025-06-30

Abstract

The utility model discloses touch-control display panel and display device, comprise self-capacitance touch-control display panel and mutual capacitance type touch control display panel, by arranging separately one deck the first metal layer, drive lead-in wire to be arranged on the first metal layer in touch-control lead-in wire or touch-control and realize touch controllable function, touch-control lead-in wire is set in display panel neighboring area relative to prior art or touch-control drives lead-in wire to realize touch controllable function, the touch-control display panel that the utility model embodiment provides arranges separately one deck the first metal layer, can lead-in wire be driven to be arranged on the original circuit diagram of periphery touch-control lead-in wire or touch-control, unnecessary bezel locations is not needed to be conducive to realizing narrow frame design relative to prior art, concurrent multiplexing public electrode is self-capacitance touch control electrode or touch-control drive electrode, and public electrode and grid line, data line is without overlapping, in the touch-control stage, self-capacitance touch control electrode or the stray capacitance between touch-control drive electrode and other signal wires very little, be conducive to improving touch-control performance.

Description

Touch-control display panel and display device

Technical field

The utility model relates to display technique field, particularly relates to touch-control display panel and display device.

Background technology

At present, along with the development of display technique, display technique is widely used in the display of TV, mobile phone and public information, large scale display panel becomes a part important in people's life gradually, simultaneously along with the develop rapidly of display technique, touch-screen (Touch Screen Panel), gradually in the life of people, is pursuing today of excellent experience functions, touch-control performance is a large defect of large scale display panel always, or is limited to technology or is limited to cost.

Along with the development of touch screen technology, along with market demands, overall module is thinning is market trend, so touch structure by touch sensing external hanging type to the embedded development of touch sensing, so both can realize reducing the cost of touch-screen in a large number while that the thickness of contact panel being thinning, current embedded touch control panel mainly contains three types: electric resistance touch-control panel, capacitance type touch-control panel, optical touch control panel, corresponding embedded touch technology now tentatively applies in small size display screen, the touch-control performance of its excellence becomes the direction of following touch-control design, therefore, also for realizing the excellent touch-control performance of large scale display panel, provide the direction of effort.

In the prior art, the contact panel of self-capacitance realize principle as shown in Figure 1, usually, single touch point electrode m is designed to the square-shaped electrode of about 5mm*5mm, then this electrode is connected to touch chip p with a wire n inner, apply drive singal to this electrode by touch chip p, and this electrode m can oneself receiving feedback signals, namely when pointing non-touch-control, the electric capacity that electrode m bears is a fixed value, when finger touch, the electric capacity that electrode m bears is that finger capacitance adds original electric capacity, because capacitance size is different, RC delay (the resistance capacitance delay) time of signal is not identical yet, the front and back of such finger touch will receive different electric signal, thus realize the determination of touch point, wherein because finger is direct-coupled mode, therefore the touch-control variable quantity that finger causes can be larger, touch point is easy to determine, but in this design proposal, the cabling of connecting electrode and touch chip needs the frame region being arranged on contact panel both sides, so just need the area increasing frame region, be unfavorable for the narrow frame design of contact panel.

Therefore, how realizing the narrow frame design of touch-control display panel, improve the touch-control performance of touch-control display panel simultaneously, is those skilled in the art's technical matterss urgently to be resolved hurrily.

Utility model content

The utility model embodiment provides touch-control display panel and display device, in order to realize the narrow frame design of touch-control display panel, improves the touch-control performance of touch-control display panel simultaneously.

The utility model embodiment provides a kind of self-capacitance touch-control display panel, comprising: the array base palte of self-capacitance touch control electrode with the first metal layer and the arrangement in matrix, and touch chip; Wherein,

Described self-capacitance touch control electrode comprises multiple public electrode, described the first metal layer comprise many with described self-capacitance touch control electrode one to one touch-control go between, each described self-capacitance touch control electrode is gone between by corresponding described touch-control and is connected with described touch chip;

Described touch-control lead-in wire is used for transmitting common electrode signal in the display stage to described self-capacitance touch control electrode, transmit touch scanning signals in the touch-control stage to described self-capacitance touch control electrode, and the touching signals that the described self-capacitance touch control electrode that touch position occurs produces is transferred to described touch chip.

In a kind of possible embodiment, in the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, described the first metal layer is between gate metal layer and source-drain electrode layer and three's mutually insulated; Or,

Described the first metal layer to be positioned on source-drain electrode layer and mutually insulated.

In a kind of possible embodiment, in the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, described touch-control lead-in wire comprises the Part I extended along grid line direction and the Part II extended along data line direction.

In a kind of possible embodiment, in the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, described the first metal layer comprises: multiple and described self-capacitance touch control electrode base station one to one; Described base station is provided with via hole, and described self-capacitance touch control electrode is gone between with corresponding described touch-control by described base station and is connected.

In a kind of possible embodiment, in the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, multiple public electrodes that described self-capacitance touch control electrode comprises are matrix arrangement, be connected by connecting line between multiple public electrodes in often row public electrode in each described self-capacitance touch control electrode, in each described self-capacitance touch control electrode adjacent lines and connected by the wire jumper on described the first metal layer between the public electrode of same row or connected by the wire jumper on pixel electrode layer.

In a kind of possible embodiment, in the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, to arrange with layer for connecting connecting line between the multiple public electrodes in the often row public electrode in each described self-capacitance touch control electrode and grid line and to be parallel to each other.

In a kind of possible embodiment, in the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, also comprise: the second metal level; Described second metal level and described gate metal layer arrange with layer and are arranged in parallel with described the first metal layer.

The utility model embodiment provides a kind of mutual capacitance type touch control display panel, comprising: array base palte, the touch chip of touch-control drive electrode with the first metal layer and the arrangement in matrix, and has the color membrane substrates of touch-control sensing electrode; Wherein,

Described touch-control drive electrode comprises multiple public electrode, described the first metal layer comprise many with described row touch-control drive electrode one to one touch-control drives and go between, often arrange described touch-control drive electrode and gone between by corresponding described touch-control driving and be connected with described touch chip;

In the display stage, described touch-control drives lead-in wire to be used for transmitting common electrode signal to described touch-control drive electrode, in the touch-control stage, described touch-control drives lead-in wire to be used for transmitting touch scanning signals to described touch-control drive electrode, and described touch-control sensing electrode also exports the touching signals after coupling to described touch chip for the described touch scanning signals that is coupled, described touch chip determines according to described touching signals the position that touch-control occurs.

In a kind of possible embodiment, in the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, described the first metal layer is between gate metal layer and source-drain electrode layer and three's mutually insulated; Or,

In a kind of possible embodiment, in the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, described touch-control drives lead-in wire to comprise along the Part I of grid line direction extension and the Part II along the extension of data line direction.

In a kind of possible embodiment, in the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, described the first metal layer comprises: multiplely drive with touch-control the base station one to one that goes between; Described base station is provided with via hole, and described touch-control drive electrode drives to go between with corresponding described touch-control by described base station and is connected.

In a kind of possible embodiment, in the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, multiple public electrodes that described touch-control drive electrode comprises are matrix arrangement, be connected by connecting line between multiple public electrodes in often row public electrode in each described touch-control drive electrode, in each described touch-control drive electrode adjacent lines and connected by the wire jumper on described the first metal layer between the public electrode of same row or connected by the wire jumper on pixel electrode layer.

In a kind of possible embodiment, in the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, to arrange with layer for connecting connecting line between the multiple public electrodes in the often row public electrode in each described touch-control drive electrode and grid line and to be parallel to each other.

In a kind of possible embodiment, in the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, also comprise: the second metal level; Described second metal level and described gate metal layer arrange with layer and are arranged in parallel with described the first metal layer.

In a kind of possible embodiment, in the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, described the first metal layer comprises symmetrical two groups of touch-controls and drives lead-in wire, often arranges corresponding two the described touch-controls of described touch-control drive electrode and drives lead-in wire.

In a kind of possible embodiment, in the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, be provided with public electrode between touch-control drive electrode described in adjacent lines, be positioned at described touch-control sensing electrode on described color membrane substrates and described public electrode is parallel to each other.

The utility model embodiment provides a kind of display device, comprises above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides or the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides.

The beneficial effect that the utility model embodiment provides comprises:

The utility model embodiment provides touch-control display panel and display device, its touch-control display panel comprises self-capacitance touch-control display panel and mutual capacitance type touch control display panel, self-capacitance touch-control display panel is self-capacitance touch control electrode at touch-control stage multiplexing public electrode, by arranging separately one deck the first metal layer, touch-control lead-in wire is arranged on the first metal layer, respective capacitance touching control electrode is connected to touch chip by corresponding touch-control lead-in wire and realizes touch controllable function, mutual capacitance type touch control display panel is touch-control drive electrode at touch-control stage multiplexing public electrode, by arranging separately one deck the first metal layer, lead-in wire is driven by touch-control to be arranged on the first metal layer, and form mutual capacitance between the touch-control sensing electrode on color membrane substrates and realize touch controllable function, touch-control lead-in wire is set in display panel neighboring area relative to prior art or touch-control drives lead-in wire to realize touch controllable function, the touch-control display panel that the utility model embodiment provides arranges separately one deck the first metal layer, can lead-in wire be driven to be arranged on the original circuit diagram of periphery touch-control lead-in wire or touch-control, unnecessary bezel locations is not needed relative to prior art, be conducive to realizing narrow frame design, concurrent multiplexing public electrode is self-capacitance touch control electrode or touch-control drive electrode, public electrode is arranged at the region that adjacent grid line and adjacent data line define, such public electrode and grid line, data line is without overlapping, in the touch-control stage, self-capacitance touch control electrode or the stray capacitance between touch-control drive electrode and other signal wires very little, be conducive to improving touch-control performance.

Accompanying drawing explanation

Fig. 1 is the structural representation of self-capacitance touch-control display panel in prior art;

One of array base-plate structure schematic diagram of the self-capacitance touch-control display panel that Fig. 2 provides for the utility model embodiment;

The structural representation of the self-capacitance touch control electrode that Fig. 3 provides for the utility model embodiment;

The array base-plate structure schematic diagram two of the self-capacitance touch-control display panel that Fig. 4 provides for the utility model embodiment;

Preparation method's process flow diagram of the self-capacitance touch-control display panel that Fig. 5 provides for the utility model embodiment;

Concrete preparation method's process flow diagram of the self-capacitance touch-control display panel that Fig. 6 provides for the utility model embodiment;

The array base-plate structure schematic diagram three of the self-capacitance touch-control display panel that Fig. 7 provides for the utility model embodiment;

The driving method process flow diagram of the self-capacitance touch-control display panel that Fig. 8 provides for the utility model embodiment;

One of array base-plate structure schematic diagram of the mutual capacitance type touch control display panel that Fig. 9 provides for the utility model embodiment;

The array base-plate structure schematic diagram two of the mutual capacitance type touch control display panel that Figure 10 provides for the utility model embodiment;

The array base-plate structure schematic diagram three of the mutual capacitance type touch control display panel that Figure 11 provides for the utility model embodiment;

The structural representation of the touch-control drive electrode that Figure 12 provides for the utility model embodiment;

One of structural representation of the mutual capacitance type touch control display panel that Figure 13 provides for the utility model embodiment;

The structural representation two of the mutual capacitance type touch control display panel that Figure 14 provides for the utility model embodiment;

Preparation method's process flow diagram of the mutual capacitance type touch control display panel that Figure 15 provides for the utility model embodiment;

Concrete preparation method's process flow diagram of the mutual capacitance type touch control display panel that Figure 16 provides for the utility model embodiment;

The array base-plate structure schematic diagram four of the mutual capacitance type touch control display panel that Figure 17 provides for the utility model embodiment;

The driving method process flow diagram of the mutual capacitance type touch control display panel that Figure 18 provides for the utility model embodiment.

Embodiment

Below in conjunction with accompanying drawing, the embodiment of touch-control display panel, its preparation method, driving method and display device that the utility model embodiment provides is described in detail.

In accompanying drawing, the thickness of each rete and the size shape in region do not reflect the actual proportions of each parts of touch-control display panel, and object just signal illustrates the utility model content.

The utility model embodiment provides a kind of self-capacitance touch-control display panel, as shown in Figure 2, can comprise: the array base palte of self-capacitance touch control electrode 1 with the first metal layer and the arrangement in matrix, and touch chip 4; Wherein,

As shown in Figure 3, self-capacitance touch control electrode 1 comprises multiple public electrode 2, as shown in Figure 2, the first metal layer comprise many with self-capacitance touch control electrode 1 one to one touch-control go between 3, each self-capacitance touch control electrode 1 is gone between by corresponding touch-control and 3 to be connected with touch chip 4;

Touch-control lead-in wire 3 is for transmitting common electrode signal in the display stage to self-capacitance touch control electrode 1, transmit touch scanning signals in the touch-control stage to self-capacitance touch control electrode 1, and the touching signals that the self-capacitance touch control electrode 1 that touch position occurs produces is transferred to touch chip 4.

The above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, can comprise and have the self-capacitance touch control electrode 1 of arrangement and the array base palte of the first metal layer in matrix, wherein, self-capacitance touch control electrode 1 comprises multiple public electrode 2, the first metal layer comprise many with self-capacitance touch control electrode 1 one to one touch-control go between 3, each self-capacitance touch control electrode 1 is gone between by corresponding touch-control and 3 to be connected with touch chip 4, touch-control lead-in wire 3 is for transmitting common electrode signal in the display stage to self-capacitance touch control electrode 1, touch scanning signals is transmitted to self-capacitance touch control electrode 1 in the touch-control stage, and the touching signals that touch position generation occurs is transferred to touch chip 4, such self-capacitance touch-control display panel is self-capacitance touch control electrode at touch-control stage multiplexing public electrode, by arranging separately one deck the first metal layer, touch-control lead-in wire is arranged on the first metal layer, each self-capacitance touch control electrode is connected to touch chip by corresponding touch-control lead-in wire and realizes touch controllable function, in display panel neighboring area, touch-control lead-in wire is set to realize touch controllable function relative to prior art, the touch-control display panel that the utility model embodiment provides arranges separately one deck the first metal layer, can touch-control lead-in wire be arranged on the original circuit diagram of periphery, unnecessary bezel locations is not needed relative to prior art, be conducive to realizing narrow frame design, be simultaneously self-capacitance touch control electrode at touch-control stage multiplexing public electrode, as shown in Figure 3, public electrode 2 can be arranged at the region that adjacent grid line N and adjacent data line M defines, such public electrode 2 and grid line N, data line M is without overlapping, in the touch-control stage, stray capacitance between self-capacitance touch control electrode and other signal wires is very little, be conducive to improving touch-control performance.

In the specific implementation, in the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, in order to realize the touch controllable function of self-capacitance touch-control display panel in the touch-control stage, therefore one deck the first metal layer is set separately, and then can touch-control lead-in wire be arranged on the first metal layer, like this relative to adopting the frame region increasing display panel to arrange the mode of touch-control lead-in wire in prior art, the utility model embodiment arranges separately one deck the first metal layer to arrange the narrow frame design that touch-control lead-in wire can realize touch-control display panel, as shown in Figure 4, the first metal layer (touch-control go between 3 positions) for arranging touch-control lead-in wire can between gate metal layer Gate and source-drain electrode layer SD and three's mutually insulated, the position that wherein touch-control lead-in wire 3 is connected with self-capacitance touch control electrode 1 is provided with via hole U, and then by via hole U realize self-capacitance touch control electrode 1 and touch-control go between 3 electric connection, also the first metal layer can be arranged on source-drain electrode layer and mutually insulated, to realize the connection of touch-control lead-in wire and self-capacitance touch control electrode, both modes above-mentioned all can realize touch-control lead-in wire to be arranged on the first metal layer, can certainly according to actual production technique and product requirement, touch controllable function is realized to the setting position adjustment of the first metal layer, in this no limit.

In the specific implementation, in the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, in order to realize respective capacitance touching control Electrode connection to touch chip, to realize the touch controllable function of touch-control display panel in the touch-control stage, therefore each self-corresponding self-capacitance touch control electrode connects one to one to touch chip by each touch-control lead-in wire, due to the mode that self-capacitance touch control electrode is matrix arrangement, as shown in Figure 2, therefore touch-control lead-in wire 3 comprises the Part I 31 extended along grid line N direction and the Part II 32 extended along data line M direction, each like this touch-control lead-in wire 3 and respective capacitance touching control electrode 1 one_to_one corresponding, be connected with respective capacitance touching control electrode 1 by the Part I 31 extended along grid line N, Part II 32 again by extending along data line M is connected to touch chip, when adopting this connected mode, touch chip is arranged on the direction that extends along data line, also can be connected with respective capacitance touching control electrode by the Part II extended along data line, then be connected to touch chip by the Part I extended along grid line, when adopting this connected mode, touch chip is arranged on the direction that extends along grid line, in this no limit.

In the specific implementation, in the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, as shown in Figure 2, the first metal layer comprises: multiple with self-capacitance touch control electrode 1 base station P one to one; Base station P is provided with via hole U, and self-capacitance touch control electrode 1 is gone between by base station and corresponding touch-control and 3 to be connected.

Particularly, in the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, in order to realize self-capacitance touch control electrode 1 and touch-control go between 3 connection, needing goes between to self-capacitance touch control electrode 1 and touch-control carries out via hole between 3 and is connected, for the ease of implementing via hole technique, therefore arrange and respective capacitance touching control electrode 1 base station P one to one on the first metal layer, be convenient in base station P position like this implement via hole technique, contribute to realizing the good electric connection that self-capacitance touch control electrode and touch-control go between.

In the specific implementation, in the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, as shown in Figure 3, multiple public electrodes 2 that self-capacitance touch control electrode 1 comprises can arrange in matrix, be connected by connecting line 5 between multiple public electrodes 2 in often row public electrode 2 in each self-capacitance touch control electrode 1, in each self-capacitance touch control electrode 1 adjacent lines and connected by the wire jumper L on the first metal layer between the public electrode 2 of same row or connected by the wire jumper L on pixel electrode layer.

Particularly, in the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, public electrode is multiplexed with self-capacitance touch control electrode, in the touch-control stage to realize touch controllable function, wherein public electrode is positioned on the underlay substrate of array base palte, same layer is positioned at grid, each self-capacitance touch control electrode comprises multiple public electrode, in order to realize the touch controllable function of self-capacitance touch control electrode, need multiple public electrodes that a self-capacitance touch control electrode comprises to connect into a complete self-capacitance touch control electrode, such touch controllable function that could realize self-capacitance touch control electrode, usually, multiple public electrodes that self-capacitance touch control electrode comprises can arrange in matrix, therefore can be connected between the multiple public electrodes in the often row public electrode in each self-capacitance touch control electrode by connecting line, in each self-capacitance touch control electrode adjacent lines public electrode between connected by wire jumper on the first metal layer or connected by the wire jumper on pixel electrode layer, utilize existing metallic diaphragm in array base palte like this, such as the first metal layer or pixel electrode layer, can certainly be that other can arrange wire jumper to connect the metal level of adjacent lines public electrode, like this wire jumper that adjacent lines public electrode is arranged by other metal levels is connected, avoid being formed with grid line and intersect short circuit, can realize each public electrode that a self-capacitance touch control electrode comprises connects as a whole, and then realize the touch controllable function of self-capacitance touch control electrode, utilize existing metallic diaphragm that wire jumper is set simultaneously, the manufacture craft of array base palte can be simplified, simplify film layer structure, reduce production cost.

In the specific implementation, in the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, to arrange with layer for connecting connecting line between the multiple public electrodes in the often row public electrode in each self-capacitance touch control electrode and grid line and to be parallel to each other.

Particularly, in the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, public electrode is positioned on underlay substrate and can arranges with layer with grid, therefore can arrange with layer with grid line for connecting connecting line between the multiple public electrodes in the often row public electrode in each self-capacitance touch control electrode and be parallel to each other, certain connecting line can adopt gate metal material, like this in array base palte manufacturing process, can adopt and form grid with a patterning processes, grid line, connecting line, the manufacture craft of array base palte can be simplified like this, reduce production cost.

In the specific implementation, in the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, can also comprise: the second metal level; Second metal level and gate metal layer arrange with layer and are arranged in parallel with the first metal layer.

Particularly, in the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, in order to improve the driving frequency of touch-control display panel, the resistance of the touch-control lead-in wire on the first metal layer can be reduced further, namely by arranging the second metal level in gate metal layer, the pattern setting of the second metal level becomes the shape of multiple public electrode, go between with the touch-control on the first metal layer and be arranged in parallel, the public electrode that second metal level comprises and grid can be formed with a patterning processes, and the public electrode that comprises of the second metal level corresponding local go between to be connected to form by the touch-control on via hole and the first metal layer be arranged in parallel, being arranged in parallel of the first metal layer and the second metal level can be realized like this, thus can by the resistance of low the first metal layer, the touch-control driving frequency of its touch-control display panel approximately can improve 30%.

Conceive based on same utility model, the utility model embodiment provides the preparation method of the above-mentioned self-capacitance touch-control display panel that a kind of the utility model embodiment provides, and as shown in Figure 5, can specifically comprise:

S101, on underlay substrate, form the pattern of self-capacitance touch control electrode of the arrangement in matrix;

The self-capacitance touch control electrode wherein formed comprises multiple public electrode;

S102, on the underlay substrate being formed with self-capacitance touch control electrode pattern, form the pattern of the first metal layer;

Wherein, the first metal layer of formation comprise many with self-capacitance touch control electrode one to one touch-control go between, each self-capacitance touch control electrode is gone between by corresponding touch-control and is connected with touch chip;

Touch-control lead-in wire is used for transmitting common electrode signal in the display stage to self-capacitance touch control electrode, transmit touch scanning signals in the touch-control stage to self-capacitance touch control electrode, and the touching signals that the self-capacitance touch control electrode that touch position occurs produces is transferred to touch chip.

In the preparation method of the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, underlay substrate is formed the pattern of the self-capacitance touch control electrode of the arrangement in matrix, the self-capacitance touch control electrode wherein formed comprises multiple public electrode, the underlay substrate being formed with self-capacitance touch control electrode pattern is formed the pattern of the first metal layer, formed the first metal layer comprise many with self-capacitance touch control electrode one to one touch-control go between, each self-capacitance touch control electrode is connected with touch chip by corresponding touch-control lead-in wire, namely touch-control lead-in wire is set by arranging separately one deck the first metal layer, respective capacitance touching control electrode is connected to touch chip by corresponding touch-control lead-in wire and realizes touch controllable function, in display panel neighboring area, touch-control lead-in wire is set to realize touch controllable function relative to prior art, the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides arranges separately one deck the first metal layer, can touch-control lead-in wire be arranged on the original circuit diagram of periphery, unnecessary bezel locations is not needed relative to prior art, be conducive to realizing narrow frame design, concurrent multiplexing public electrode is self-capacitance touch control electrode, public electrode is arranged at the region that adjacent grid line and adjacent data line define, such public electrode and grid line, data line is without overlapping, in the touch-control stage, stray capacitance between self-capacitance touch control electrode and other signal wires is very little, the time that less stray capacitance can ensure abundance carries out touch-control driving scanning, be conducive to touch-control to drive scanning and detect, and then be conducive to improving touch-control performance.

In the specific implementation, in the preparation method of the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, on underlay substrate, formation is before or after the pattern of the self-capacitance touch control electrode of matrix arrangement, can also comprise: by the pattern of patterning processes formation grid, grid line and a connecting line.

Particularly, in the preparation method of the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, before underlay substrate is formed the pattern of the self-capacitance touch control electrode of the arrangement in matrix, grid can be formed by a patterning processes, the pattern of grid line and connecting line, also can form the pattern of the self-capacitance touch control electrode of the arrangement in matrix on underlay substrate after, grid is formed by a patterning processes, the pattern of grid line and connecting line, wherein self-capacitance touch control electrode is positioned on underlay substrate, can arrange with layer with grid, but public electrode generally adopts ITO material, grid adopts copper, the metal materials such as aluminium, although therefore both are arranged with layer, but cannot adopt and be formed with a patterning processes, and a same patterning processes can be adopted to be formed with grid for the connecting line of the multiple public electrodes connecting often row in each self-capacitance touch control electrode, manufacture craft can be simplified like this, reduce production cost.

In the specific implementation, in the preparation method of the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, on underlay substrate, formation is before or after the pattern of the self-capacitance touch control electrode of matrix arrangement, can also comprise: by the pattern of patterning processes formation grid, grid line, connecting line and second metal level.

Particularly, in the preparation method of the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, before underlay substrate is formed the pattern of the self-capacitance touch control electrode of the arrangement in matrix, grid can be formed by a patterning processes, grid line, the pattern of connecting line and the second metal level, also can form the pattern of the self-capacitance touch control electrode of the arrangement in matrix on underlay substrate after, grid is formed by a patterning processes, grid line, the pattern of connecting line and the second metal level, wherein self-capacitance touch control electrode is positioned on underlay substrate, can arrange with layer with grid, but public electrode generally adopts ITO material, grid adopts copper, the metal materials such as aluminium, although therefore both are arranged with layer, but cannot adopt and be formed with a patterning processes, and a same patterning processes can be adopted to be formed with grid for the connecting line of the multiple public electrodes connecting often row in each self-capacitance touch control electrode, and in order to improve the driving frequency of touch-control display panel, arranging second metal level in parallel with the first metal layer can adopt a same patterning processes to be formed with grid, manufacture craft can be simplified like this and reduce production cost.

In the specific implementation, in the preparation method of the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, the underlay substrate being formed with self-capacitance touch control electrode pattern is formed the pattern of the first metal layer, can specifically comprise: the pattern forming source-drain electrode layer on the underlay substrate of pattern being formed with the first metal layer; Or, the underlay substrate being formed with source-drain electrode layer pattern is formed the pattern of the first metal layer.

Particularly, in the preparation method of the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, because the first metal layer can be arranged between gate metal layer and source-drain electrode layer and mutually insulated, therefore the pattern of gate insulation layer can be formed on the underlay substrate forming gate pattern, the underlay substrate forming gate insulation layer pattern is formed the pattern of the first metal layer, the underlay substrate forming the first metal layer pattern is formed the pattern of a layer insulating, and then on the underlay substrate forming insulating layer pattern, be formed with the pattern of active layer and source-drain electrode layer, or the first metal layer to be arranged on source-drain electrode layer and mutually insulated, namely on the underlay substrate being formed with source-drain electrode layer pattern, form the pattern of a layer insulating, the underlay substrate being formed with insulating layer pattern is formed the pattern of the first metal layer, in this no limit.

In the specific implementation, in the preparation method of the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, can also comprise: on the underlay substrate of pattern being formed with the first metal layer, form the pattern comprising passivation layer and pixel electrode.

Particularly, in order to realize display and the touch controllable function of touch-control display panel, in the preparation process of touch-control display panel, also comprise the preparation of the necessary function such as passivation layer and pixel electrode layer rete, in the preparation method of the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, after formation the first metal layer, the underlay substrate being also included in the pattern being formed with the first metal layer is formed the pattern comprising passivation layer and pixel electrode, its preparation technology and film layer structure same as the prior art, be not described further at this.

Particularly, through the description of above-described embodiment, the preparation method of the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, as shown in Figure 6, can specifically comprise:

S111, on underlay substrate, formed the pattern of grid, grid line, connecting line and the second metal level by patterning processes;

S112, on underlay substrate, form the pattern of self-capacitance touch control electrode of the arrangement in matrix;

S113, on the underlay substrate being formed with self-capacitance touch control electrode pattern, form the pattern of the first metal layer;

S114, on the underlay substrate of pattern being formed with the first metal layer, form the pattern of source-drain electrode layer;

S115, the underlay substrate of pattern being formed with source-drain electrode layer is formed comprise the pattern of passivation layer and pixel electrode.

Wherein, the order between corresponding processing step can change, and has detailed description in the above-described embodiments, is not described further at this.

The integral membrane Rotating fields of the self-capacitance touch-control display panel formed through above-mentioned preparation method as shown in Figure 7, wherein, grid 6 and public electrode 2 (that is self-capacitance touch control electrode) arrange with layer and are positioned on underlay substrate G, wherein public electrode 2 contacts with connecting line 5, be positioned on grid 6 and public electrode 2 is gate insulation layer 7, be positioned on gate insulation layer 7 for active layer 8 and source-drain electrode 9, and the first metal layer (not shown) being provided with touch-control lead-in wire 3 can between gate insulation layer 7 and active layer 8, be positioned on active layer 8 and source-drain electrode 9 for passivation layer 10, be positioned on passivation layer 10 for pixel electrode 11, these are only a specific embodiment of self-capacitance touch display panel structure, in actual production and application, the concrete structure of self-capacitance touch-control display panel is not limited thereto, can according to needs of production, increase and decrease or change its film layer structure, to be applicable to the display panel of various modes, in this no limit.

Conceive based on same utility model, the utility model embodiment provides the driving method of the above-mentioned self-capacitance touch-control display panel that a kind of the utility model embodiment provides, and as shown in Figure 8, can specifically comprise the following steps:

S201, display the stage, in touch-control display panel touch-control lead-in wire apply common electrode signal, meanwhile, successively scanning gate signal is applied to the grid line in touch-control display panel, to data line apply data-signal;

S202, in the touch-control stage, touch scanning signals is applied to the touch-control lead-in wire in touch-control display panel, simultaneously, grid line in touch-control display panel and data line apply the synchronizing signal of modulating mutually with touch scanning signals, and the touching signals that the self-capacitance touch control electrode that touch position occurs produces is transferred to touch chip by touch-control lead-in wire, touch chip determines according to touching signals the position that touch-control occurs.

In the driving method of the above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides, display panel is driven to achieve Presentation Function and touch controllable function in display stage and touch-control stage correspondence, such touch-control and display stage adopt timesharing type of drive, public electrode is multiplexed with self-capacitance touch control electrode, in the display stage, common electrode signal is applied to touch-control lead-in wire, for public electrode provides common electrode signal, in the touch-control stage, touch scanning signals is applied to touch-control lead-in wire, touch-control display panel is driven to carry out touch-control scanning, the synchronizing signal that grid line and data line applying is simultaneously modulated mutually with touch scanning signals, to reduce the stray capacitance between self-capacitance touch control electrode and other electrode wires, thus the RC reduced between self-capacitance touch control electrode and other electrode wires postpones, and the touching signals that touch position generation occurs is transferred to touch chip by touch-control lead-in wire, touch chip is according to touching signals determination touch point position, such embedded touch control technology having merged self-capacitance, interior embedding technique is combined with existing large scale display panel, the excellence of the display and touch-control that achieve large scale display panel under low cost is experienced, public electrode is arranged at the region that adjacent grid line and adjacent data line define, such public electrode and grid line, data line is without overlapping, in the touch-control stage, stray capacitance between self-capacitance touch control electrode and other signal wires is very little, be conducive to improving touch-control performance.

Conceive based on same utility model, the utility model embodiment provides a kind of mutual capacitance type touch control display panel, as shown in Figure 9 and Figure 10, can comprise: array base palte, the touch chip 4 of touch-control drive electrode 01 with the first metal layer and the arrangement in matrix, and there is the color membrane substrates of touch-control sensing electrode; Wherein,

As shown in figure 11, touch-control drive electrode 01 comprises multiple public electrode 2, as shown in Figure 9 and Figure 10, the first metal layer comprise many with row touch-control drive electrode 01 one to one touch-control drives lead-in wire 03, often row touch-control drive electrode 01 is connected with touch chip 4 by corresponding touch-control driving lead-in wire 03;

In the display stage, touch-control drives lead-in wire 03 for transmitting common electrode signal to touch-control drive electrode 01, in the touch-control stage, touch-control drives lead-in wire 03 for transmitting touch scanning signals to touch-control drive electrode 01, and touch-control sensing electrode also exports the touching signals after coupling to touch chip 4 for the touch scanning signals that is coupled, touch chip 4 determines according to touching signals the position that touch-control occurs.

The utility model embodiment provides to obtain above-mentioned self-capacitance touch-control display panel, can comprise and have the touch-control drive electrode 01 of arrangement and the array base palte of the first metal layer in matrix, wherein, touch-control drive electrode 01 comprises multiple public electrode 2, the first metal layer comprise many with row touch-control drive electrode 01 one to one touch-control drive lead-in wire 03, often row touch-control drive electrode 01 drives lead-in wire 03 to be connected with touch chip 4 by corresponding touch-control, touch-control drives lead-in wire 03 for transmitting common electrode signal in the display stage to touch-control drive electrode 01, touch scanning signals is transmitted to touch-control drive electrode 01 in the touch-control stage, and touch-control sensing electrode also exports the touching signals after coupling to touch chip 4 for the touch scanning signals that is coupled, touch chip 4 determines according to touching signals the position that touch-control occurs, such mutual capacitance type touch control display panel is touch-control drive electrode at touch-control stage multiplexing public electrode, by arranging separately one deck the first metal layer, lead-in wire is driven by touch-control to be arranged on the first metal layer, each row touch-control drive electrode is connected to touch chip by corresponding touch-control lead-in wire and realizes touch controllable function, in display panel neighboring area, touch-control lead-in wire is set to realize touch controllable function relative to prior art, the mutual capacitance type touch control display panel that the utility model embodiment provides arranges separately one deck the first metal layer, touch-control can be driven lead-in wire to be arranged on the original circuit diagram of periphery, unnecessary bezel locations is not needed relative to prior art, be conducive to realizing narrow frame design, be simultaneously that touch-control drive electrode and touch-control sensing electrode form mutual capacitance and realize touch controllable function at touch-control stage multiplexing public electrode, as shown in figure 11, public electrode 2 is arranged at the region that adjacent grid line N and adjacent data line M defines, such public electrode 2 and grid line N, data line M is without overlapping, in the touch-control stage, stray capacitance between touch-control drive electrode and other signal wires is very little, the time that less stray capacitance can ensure abundance carries out touch-control driving scanning, be conducive to touch-control to drive scanning and detect, and then be conducive to improving touch-control performance.

In the specific implementation, in the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, in order to realize the touch controllable function of mutual capacitance type touch control display panel in the touch-control stage, therefore one deck the first metal layer is set separately, and then touch-control can be driven lead-in wire be arranged on the first metal layer, the mode gone between is driven like this relative to adopting the frame region increasing display panel to arrange touch-control in prior art, the utility model embodiment arranges separately one deck the first metal layer and drives lead-in wire can realize the narrow frame design of touch-control display panel to arrange touch-control, as shown in figure 12, drive the first metal layer (touch-control drive lead-in wire 03 position) of lead-in wire can between gate metal layer Gate and source-drain electrode layer SD and three's mutually insulated for arranging touch-control, the position that wherein touch-control drives lead-in wire 03 to be connected with touch-control drive electrode 01 is provided with via hole U, and then realize by via hole U the electric connection that touch-control drive electrode 01 and touch-control drive lead-in wire 03, also the first metal layer can be arranged on source-drain electrode layer and mutually insulated, to realize the connection that touch-control drives lead-in wire and touch-control drive electrode, both modes above-mentioned all can realize touch-control to drive lead-in wire to be arranged on the first metal layer, can certainly according to actual production technique and product requirement, touch controllable function is realized to the setting position adjustment of the first metal layer, in this no limit.

In the specific implementation, in the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, in order to realize that each touch-control drive electrode is connected to touch chip, to realize the touch controllable function of touch-control display panel in the touch-control stage, therefore each touch-control drives lead-in wire that each self-corresponding row touch-control drive electrode is connected to touch chip, due to the mode that touch-control drive electrode is matrix arrangement, as shown in Figure 9 and Figure 10, therefore touch-control drives lead-in wire 03 to comprise along the Part I 031 of grid line N direction extension and the Part II 032 along the extension of data line M direction, each like this touch-control drives lead-in wire 03 and each row touch-control drive electrode 01 one_to_one corresponding, be connected with each touch-control drive electrode 01 by the Part I 031 extended along grid line N, Part II 032 again by extending along data line M is connected to touch chip, when adopting this connected mode, touch chip is arranged on the direction that extends along data line, also can be connected with each touch-control drive electrode by the Part II extended along data line, then be connected to touch chip by the Part I extended along grid line, when adopting this connected mode, touch chip is arranged on the direction that extends along grid line, in this no limit.

In the specific implementation, in the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, as shown in Figure 9 and Figure 10, the first metal layer comprises: multiple with touch-control drive electrode 01 base station P one to one, base station P is provided with via hole U, and touch-control drive electrode 01 drives lead-in wire 03 to be connected by base station P with corresponding touch-control.

Particularly, in the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, the connection of lead-in wire 03 is driven in order to realize touch-control drive electrode 01 and touch-control, need to drive touch-control drive electrode 01 and touch-control to carry out via hole between lead-in wire 03 and be connected, for the ease of implementing via hole technique, therefore arrange and each touch-control drive electrode 01 base station P one to one on the first metal layer, be convenient in base station P position like this implement via hole technique, contribute to realizing touch-control drive electrode and touch-control drives the good electric connection gone between.

In the specific implementation, in the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, as shown in figure 11, multiple public electrodes 2 that touch-control drive electrode 01 comprises arrangement in matrix, be connected by connecting line 5 between multiple public electrodes 2 in often row public electrode 2 in each touch-control drive electrode 01, in each touch-control drive electrode 01 adjacent lines and connected by the wire jumper L on the first metal layer between the public electrode 2 of same row or connected by the wire jumper L on pixel electrode layer.

Particularly, in the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, public electrode is multiplexed with touch-control drive electrode, in the touch-control stage to realize touch controllable function, wherein public electrode is positioned on the underlay substrate of array base palte, same layer is positioned at grid, each touch-control drive electrode comprises multiple public electrode, in order to realize the touch controllable function of touch-control drive electrode, need multiple public electrodes that a touch-control drive electrode comprises to connect into a complete touch-control drive electrode, such touch controllable function that could realize touch-control drive electrode, usually, multiple public electrodes that touch-control drive electrode comprises can arrange in matrix, therefore can be connected between the multiple public electrodes in the often row public electrode in each touch-control drive electrode by connecting line, in each touch-control drive electrode adjacent lines public electrode between connected by wire jumper on the first metal layer or connected by the wire jumper on pixel electrode layer, utilize existing metallic diaphragm in array base palte like this, such as the first metal layer or pixel electrode layer, can certainly be that other can arrange wire jumper to connect the metal level of adjacent lines public electrode, like this wire jumper that adjacent lines public electrode is arranged by other metal levels is connected, avoid being formed with grid line and intersect short circuit, can realize each public electrode that a self-capacitance touch control electrode comprises connects as a whole, and then realize the touch controllable function of self-capacitance touch control electrode, utilize existing metallic diaphragm that wire jumper is set simultaneously, the manufacture craft of array base palte can be simplified, simplify film layer structure, reduce production cost.

In the specific implementation, in the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, to arrange with layer for connecting connecting line between the multiple public electrodes in the often row public electrode in each touch-control drive electrode and grid line and to be parallel to each other.

Particularly, in the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, public electrode is positioned on underlay substrate and can arranges with layer with grid, therefore can arrange with layer with grid line for connecting connecting line between the multiple public electrodes in the often row public electrode in each touch-control drive electrode and be parallel to each other, like this in array base palte manufacturing process, can adopt and form grid, grid line, connecting line with a patterning processes, manufacture craft can be simplified like this, reduce production cost.

In the specific implementation, in the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, can also comprise: the second metal level; Second metal level and gate metal layer arrange with layer and are arranged in parallel with the first metal layer.

Particularly, in the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, in order to improve the driving frequency of touch-control display panel, the touch-control that can reduce further on the first metal layer drives the resistance of lead-in wire, namely by arranging the second metal level in gate metal layer, the pattern setting of the second metal level becomes the shape of multiple public electrode, lead-in wire is driven to be arranged in parallel with the touch-control on the first metal layer, the public electrode that second metal level comprises and grid can be formed with a patterning processes, and the public electrode that comprises of the second metal level locally drives lead-in wire to be connected to form by the touch-control on via hole and the first metal layer to be arranged in parallel corresponding, being arranged in parallel of the first metal layer and the second metal level can be realized like this, thus the resistance of the first metal layer can be reduced, the touch-control driving frequency of its touch-control display panel approximately can improve 30%.

In the specific implementation, in the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, as shown in Figure 8, in order to improve the touch-control driving frequency of touch-control display panel, the first metal layer can be arranged to comprise symmetrical two groups of touch-controls and drive lead-in wire 03, often corresponding two touch-controls of row touch-control drive electrode 01 drive lead-in wire 03, and such touch-control display panel can realize bilateral driving in the touch-control stage, and then the frequency of touch-control scanning can be improved, improve touch-control performance further.

In the specific implementation, in the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, as shown in figure 13, one row touch-control drive electrode 01 is connected to same touch-control and drives lead-in wire 03, be that unit realizes touch-control driving scanning with row, public electrode 2 is provided with between adjacent lines touch-control drive electrode 01, the touch-control sensing electrode 02 be positioned on color membrane substrates is parallel to each other with public electrode 2, mutual capacitance is formed to realize touch controllable function between the touch-control sensing electrode 02 of such horizontally set and longitudinal touch-control drive electrode 01 arranged arrange, wherein, without overlapping between touch-control sensing electrode 02 and touch-control drive electrode 01, so therebetween, the stray capacitance formed is very little, mutual capacitance when there is touch-control between touch-control sensing electrode and touch-control drive electrode changes obvious, be easy to touching signals touch position occurring and produces be detected, and then be easy to the detection of touch position occurring and determining, particularly, as shown in figure 14, mutual tolerance formula touch-control display panel comprises the array base palte with touch-control drive electrode 01 and the color membrane substrates with touch-control sensing electrode 02, mutual capacitance is formed to realize touch controllable function between the touch-control sensing electrode 02 of horizontally set and longitudinal touch-control drive electrode arranged arrange.

Conceive based on same utility model, the utility model embodiment provides the preparation method of the above-mentioned mutual capacitance type touch control display panel that a kind of the utility model embodiment provides, and as shown in figure 15, can specifically comprise the following steps:

S301, on underlay substrate, form the pattern of touch-control drive electrode of the arrangement in matrix;

Wherein, the touch-control drive electrode of formation comprises multiple public electrode;

S302, on the underlay substrate being formed with touch-control drive electrode pattern, form the pattern of the first metal layer;

Wherein, the first metal layer of formation comprise many with row touch-control drive electrode one to one touch-control drives and go between, often row touch-control drive electrode is gone between by the driving of corresponding touch-control and is connected with touch chip;

S303, on color membrane substrates, form the pattern of touch-control sensing electrode;

In the display stage, touch-control drives lead-in wire to be used for transmitting common electrode signal to touch-control drive electrode;

In the touch-control stage, touch-control drives lead-in wire to be used for transmitting touch scanning signals to touch-control drive electrode, and touch-control sensing electrode also exports the touching signals after coupling to touch chip for the touch scanning signals that is coupled, touch chip determines according to touching signals the position that touch-control occurs.

In the preparation method of the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, underlay substrate is formed the pattern of the touch-control drive electrode of the arrangement in matrix, the touch-control drive electrode wherein formed comprises multiple public electrode, the underlay substrate being formed with touch-control drive electrode pattern is formed the pattern of the first metal layer, the first metal layer formed comprise many with row touch-control drive electrode one to one touch-control drive and go between, often row touch-control drive electrode drives lead-in wire to be connected with touch chip by corresponding touch-control, namely touch-control driving lead-in wire is set by arranging separately one deck the first metal layer, each row touch-control drive electrode drives lead-in wire to be connected to touch chip by corresponding touch-control and realizes touch controllable function, arranging touch-control relative to prior art in display panel neighboring area drives lead-in wire to realize touch controllable function, the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides arranges separately one deck the first metal layer, touch-control can be driven lead-in wire to be arranged on the original circuit diagram of periphery, unnecessary bezel locations is not needed relative to prior art, be conducive to realizing narrow frame design, concurrent multiplexing public electrode is touch-control drive electrode, public electrode is arranged at the region that adjacent grid line and adjacent data line define, such public electrode and grid line, data line is without overlapping, in the touch-control stage, stray capacitance between touch-control drive electrode and other signal wires is very little, the time that less stray capacitance can ensure abundance carries out touch-control driving scanning, be conducive to touch-control to drive scanning and detect, and then be conducive to improving touch-control performance.

In the specific implementation, in the preparation method of the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, on underlay substrate, formation is before or after the pattern of the touch-control drive electrode of matrix arrangement, can also comprise: by the pattern of patterning processes formation grid, grid line and a connecting line.

Particularly, in the preparation method of the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, before underlay substrate is formed the pattern of the touch-control drive electrode of the arrangement in matrix, grid can be formed by a patterning processes, the pattern of grid line and connecting line, also can form the pattern of the touch-control drive electrode of the arrangement in matrix on underlay substrate after, grid is formed by a patterning processes, the pattern of grid line and connecting line, wherein touch-control drive electrode is positioned on underlay substrate, can arrange with layer with grid, but public electrode generally adopts ITO material, grid adopts copper, the metal materials such as aluminium, although therefore both are arranged with layer, but cannot adopt and be formed with a patterning processes, and a same patterning processes can be adopted to be formed with grid for the connecting line of the multiple public electrodes connecting often row in each touch-control drive electrode, manufacture craft can be simplified like this and reduce production cost.

In the specific implementation, in the preparation method of the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, on underlay substrate, formation is before or after the pattern of the touch-control drive electrode of matrix arrangement, can also comprise: by the pattern of patterning processes formation grid, grid line, connecting line and second metal level.

Particularly, in the preparation method of the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, before underlay substrate is formed the pattern of the touch-control drive electrode of the arrangement in matrix, grid can be formed by a patterning processes, grid line, the pattern of connecting line and the second metal level, also can form the pattern of the touch-control drive electrode of the arrangement in matrix on underlay substrate after, grid is formed by a patterning processes, grid line, the pattern of connecting line and the second metal level, wherein touch-control drive electrode is positioned on underlay substrate, can arrange with layer with grid, but public electrode generally adopts ITO material, grid adopts copper, the metal materials such as aluminium, although therefore both are arranged with layer, but cannot adopt and be formed with a patterning processes, and a same patterning processes can be adopted to be formed with grid for the connecting line of the multiple public electrodes connecting often row in each touch-control drive electrode, and in order to improve the driving frequency of touch-control display panel, arranging second metal level in parallel with the first metal layer can adopt a same patterning processes to be formed with grid, manufacture craft can be simplified like this and reduce production cost.

In the specific implementation, in the preparation method of the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, the underlay substrate being formed with described touch-control drive electrode pattern is formed the pattern of the first metal layer, can specifically comprise: the pattern forming source-drain electrode layer on the underlay substrate of pattern being formed with the first metal layer; Or, the underlay substrate being formed with source-drain electrode layer pattern is formed the pattern of the first metal layer.

Particularly, in the preparation method of the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, because the first metal layer can be arranged between gate metal layer and source-drain electrode layer and mutually insulated, therefore the pattern of gate insulation layer can be formed on the underlay substrate forming gate pattern, the underlay substrate forming gate insulation layer pattern is formed the pattern of the first metal layer, the underlay substrate forming the first metal layer pattern is formed the pattern of a layer insulating, and then on the underlay substrate forming insulating layer pattern, be formed with the pattern of active layer and source-drain electrode layer, or the first metal layer to be arranged on source-drain electrode layer and mutually insulated, namely on the underlay substrate being formed with source-drain electrode layer pattern, form the pattern of a layer insulating, the underlay substrate being formed with insulating layer pattern is formed the pattern of the first metal layer, in this no limit.

In the specific implementation, in the preparation method of the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, can also comprise: on the underlay substrate of pattern being formed with the first metal layer, form the pattern comprising passivation layer and pixel electrode.

Particularly, in order to realize display and the touch controllable function of touch-control display panel, in the preparation process of touch-control display panel, also comprise the preparation of the necessary function such as passivation layer and pixel electrode layer rete, in the preparation method of the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, after formation the first metal layer, the underlay substrate being also included in the pattern being formed with the first metal layer is formed the pattern comprising passivation layer and pixel electrode, its preparation technology and film layer structure same as the prior art, be not described further at this.

Particularly, through the description of above-described embodiment, the preparation method of the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, as shown in figure 16, can specifically comprise:

S331, on underlay substrate, formed the pattern of grid, grid line, connecting line and the second metal level by patterning processes;

S332, on underlay substrate, form the pattern of touch-control drive electrode of the arrangement in matrix;

S333, on the underlay substrate being formed with touch-control drive electrode pattern, form the pattern of the first metal layer;

S334, on the underlay substrate of pattern being formed with the first metal layer, form the pattern of source-drain electrode layer;

S335, the underlay substrate of pattern being formed with source-drain electrode layer is formed comprise the pattern of passivation layer and pixel electrode;

S336, on color membrane substrates, form the pattern of touch-control sensing electrode.

The integral membrane Rotating fields of the mutual capacitance type touch control display panel formed through above-mentioned preparation method as shown in figure 17, wherein illustrate only the structure of the array base palte with touch-control drive electrode, the structure with the color membrane substrates of touch-control sensing electrode is not shown, particularly, grid 6 and public electrode 2 (that is touch-control drive electrode) arrange with layer and are positioned on underlay substrate G, wherein public electrode 2 contacts with connecting line 5, be positioned on grid 6 and public electrode 2 is gate insulation layer 7, be positioned on gate insulation layer 7 for active layer 8 and source-drain electrode 9, and the first metal layer (not shown) being provided with touch-control driving lead-in wire 03 can between gate insulation layer 7 and active layer 8, be positioned on active layer 8 and source-drain electrode 9 for passivation layer 10, be positioned on passivation layer 10 for pixel electrode 11, these are only a specific embodiment of mutual capacitance type touch control display panel structure, in actual production and application, the concrete structure of mutual capacitance type touch control display panel is not limited thereto, can according to needs of production, increase and decrease or change its film layer structure, to be applicable to the display panel of various modes, in this no limit.

Conceive based on same utility model, the utility model embodiment provides the driving method of the above-mentioned mutual capacitance type touch control display panel that a kind of the utility model embodiment provides, and as shown in figure 18, can specifically comprise the following steps:

S401, display the stage, in touch-control display panel touch-control drive lead-in wire apply common electrode signal, meanwhile, successively scanning gate signal is applied to the grid line in touch-control display panel, to data line apply data-signal;

S402, in the touch-control stage, lead-in wire is driven to apply touch scanning signals to the touch-control in touch-control display panel, simultaneously, grid line in touch-control display panel and data line apply the synchronizing signal of modulating mutually with touch scanning signals, and touch-control sensing electrode coupling touch scanning signals also exports the touching signals after being coupled to touch chip, touch chip determines according to touching signals the position that touch-control occurs.

In the driving method of the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, touch-control display panel achieves Presentation Function and touch controllable function in display stage and touch-control stage correspondence, timesharing type of drive is adopted by touch-control and display stage, in the touch-control stage, public electrode is multiplexed with self-capacitance touch control electrode, in the display stage, lead-in wire is driven to apply common electrode signal to touch-control, for public electrode provides common electrode signal, in the touch-control stage, lead-in wire is driven to apply touch scanning signals to touch-control, touch-control display panel is driven to carry out touch-control scanning, grid line and data line are applied to the synchronizing signal of modulating mutually with touch scanning signals simultaneously, to reduce the stray capacitance between touch-control drive electrode and other electrode wires, thus the RC reduced between touch-control drive electrode and other electrode wires postpones, and touch-control sensing electrode coupling touch scanning signals also exports the touching signals after being coupled to touch chip, touch chip determines according to touching signals the position that touch-control occurs, achieve display and the touch controllable function of touch-control display panel like this, public electrode is arranged at the region that adjacent grid line and adjacent data line define, such public electrode and grid line, data line is without overlapping, in the touch-control stage, stray capacitance between touch-control drive electrode and other signal wires is very little, be conducive to improving touch-control performance.

Conceive based on same utility model, the utility model embodiment provides a kind of display device, comprise above-mentioned self-capacitance touch-control display panel that the utility model embodiment provides or the above-mentioned mutual capacitance type touch control display panel that the utility model embodiment provides, this display device can be applied to any product or parts with Presentation Function such as mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.The principle of dealing with problems due to this display device is similar to above-mentioned self-capacitance touch-control display panel or mutual capacitance type touch control display panel, therefore the enforcement of this display device see the enforcement of above-mentioned self-capacitance touch-control display panel or mutual capacitance type touch control display panel, can repeat part and repeats no more.

The utility model embodiment provides touch-control display panel, preparation method, driving method and display device, its touch-control display panel comprises self-capacitance touch-control display panel and mutual capacitance type touch control display panel, self-capacitance touch-control display panel is self-capacitance touch control electrode at touch-control stage multiplexing public electrode, by arranging separately one deck the first metal layer, and then touch-control lead-in wire is arranged on the first metal layer, respective capacitance touching control electrode is connected to touch chip to realize touch controllable function by corresponding touch-control lead-in wire, correspondingly mutual capacitance type touch control display panel is touch-control drive electrode at touch-control stage multiplexing public electrode, by arranging separately one deck the first metal layer, and then drive lead-in wire to be arranged on the first metal layer touch-control, and form mutual capacitance between the touch-control sensing electrode on color membrane substrates and realize touch controllable function, touch-control lead-in wire is set in display panel neighboring area relative to prior art or touch-control drives lead-in wire to realize touch controllable function, the touch-control display panel that the utility model embodiment provides is by arranging one deck the first metal layer separately, and then can lead-in wire be driven to be arranged on the original circuit diagram of periphery touch-control lead-in wire or touch-control, do not need to take unnecessary bezel locations relative to prior art, be conducive to the narrow frame design realizing touch-control display panel like this, concurrent multiplexing public electrode is self-capacitance touch control electrode, public electrode is arranged at the region that adjacent grid line and adjacent data line define, such public electrode and grid line, data line is without overlapping, in the touch-control stage, self-capacitance touch control electrode or the stray capacitance between touch-control drive electrode and other signal wires very little, be conducive to improving touch-control performance.

Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.

Claims

1. a self-capacitance touch-control display panel, is characterized in that, comprising: the array base palte of self-capacitance touch control electrode with the first metal layer and the arrangement in matrix, and touch chip; Wherein,

2. self-capacitance touch-control display panel as claimed in claim 1, is characterized in that, described the first metal layer is between gate metal layer and source-drain electrode layer and three's mutually insulated; Or,

3. self-capacitance touch-control display panel as claimed in claim 2, is characterized in that, described touch-control lead-in wire comprises the Part I extended along grid line direction and the Part II extended along data line direction.

4. self-capacitance touch-control display panel as claimed in claim 3, it is characterized in that, described the first metal layer comprises: multiple and described self-capacitance touch control electrode base station one to one; Described base station is provided with via hole, and described self-capacitance touch control electrode is gone between with corresponding described touch-control by described base station and is connected.

5. the self-capacitance touch-control display panel as described in any one of claim 1-4, it is characterized in that, multiple public electrodes that described self-capacitance touch control electrode comprises are matrix arrangement, be connected by connecting line between multiple public electrodes in often row public electrode in each described self-capacitance touch control electrode, in each described self-capacitance touch control electrode adjacent lines and connected by the wire jumper on described the first metal layer between the public electrode of same row or connected by the wire jumper on pixel electrode layer.

6. self-capacitance touch-control display panel as claimed in claim 5, is characterized in that, to arrange for connecting connecting line between the multiple public electrodes in the often row public electrode in each described self-capacitance touch control electrode and grid line and to be parallel to each other with layer.

7. self-capacitance touch-control display panel as claimed in claim 6, is characterized in that, also comprise: the second metal level; Described second metal level and described gate metal layer arrange with layer and are arranged in parallel with described the first metal layer.

8. a mutual capacitance type touch control display panel, is characterized in that, comprising: array base palte, the touch chip of touch-control drive electrode with the first metal layer and the arrangement in matrix, and has the color membrane substrates of touch-control sensing electrode; Wherein,

9. mutual capacitance type touch control display panel as claimed in claim 8, is characterized in that, described the first metal layer is between gate metal layer and source-drain electrode layer and three's mutually insulated; Or,

10. mutual capacitance type touch control display panel as claimed in claim 9, is characterized in that, described touch-control drives lead-in wire to comprise along the Part I of grid line direction extension and the Part II along the extension of data line direction.

11. mutual capacitance type touch control display panels as claimed in claim 10, it is characterized in that, described the first metal layer comprises: multiple with touch-control drive electrode base station one to one; Described base station is provided with via hole, and described touch-control drive electrode drives to go between with corresponding described touch-control by described base station and is connected.

12. mutual capacitance type touch control display panels as described in any one of claim 8-10, it is characterized in that, multiple public electrodes that described touch-control drive electrode comprises are matrix arrangement, be connected by connecting line between multiple public electrodes in often row public electrode in each described touch-control drive electrode, in each described touch-control drive electrode adjacent lines and connected by the wire jumper on described the first metal layer between the public electrode of same row or connected by the wire jumper on pixel electrode layer.

13. mutual capacitance type touch control display panels as claimed in claim 12, is characterized in that, to arrange for connecting connecting line between the multiple public electrodes in the often row public electrode in each described touch-control drive electrode and grid line and to be parallel to each other with layer.

14. mutual capacitance type touch control display panels as claimed in claim 13, is characterized in that, also comprise: the second metal level; Described second metal level and described gate metal layer arrange with layer and are arranged in parallel with described the first metal layer.

15. mutual capacitance type touch control display panels as claimed in claim 14, is characterized in that, described the first metal layer comprises symmetrical two groups of touch-controls and drives lead-in wire, often arrange corresponding two the described touch-controls of described touch-control drive electrode and drive lead-in wire.

16. mutual capacitance type touch control display panels as claimed in claim 15, is characterized in that, be provided with public electrode described in adjacent lines between touch-control drive electrode, are positioned at described touch-control sensing electrode on described color membrane substrates and described public electrode is parallel to each other.

17. 1 kinds of display device, is characterized in that, comprise the self-capacitance touch-control display panel as described in any one of claim 1-7 or the mutual capacitance type touch control display panel as described in any one of claim 8-16.