Display with embedded touch control device
Technical field
The utility model relates to a kind of display, particularly a kind of display with embedded touch control device.
Background technology
Contact panel has been widely used in fields such as household supplies, communicator and electronic information aid, its modal purposes is as intelligent mobile phone (smart phone), worldwide navigation device (GPS) and digital camera input interfaces such as (DSC), that is conduct clicks or the instrument of the page of operation display, for example: LCD, active matrix organic light-emitting diode (AMOLED) and plasma scope.The integration trend of contact panel and display screen can allow the user to choose the representative image (icon) that shows on the panel with finger or contact pen at present, so can make intelligent mobile phone (smart phone), worldwide navigation device (GPS) and digital camera (DSC) carry out the function of hobby.This kind contact panel also is applied to the public information inquiry system, and the public can be provided efficient operating system.
The tradition contact panel comprises a transparency carrier, and this transparency carrier has the surface that a plurality of sensing region constitutes, and the sensing region of these distributions is used for the sensing user and touches the signal that is caused with finger or contact pen, to import or to control.This sensing region is made of transparent conductive film, and for example: tin indium oxide (ITO), the user can touch the corresponding transparent conductive film that is shown in ad-hoc location on the display screen, can this device of valid function.
Yet the combination of aforementioned display device and contact panel not only increases whole thickness, even must consider to assemble and the problem of contraposition.In addition, contact panel need be implemented the multiple tracks photoetching process in a transparency carrier, that is can't combine with photoetching process in the display, and transparency carrier can absorb the whole light transmittance reduction that light causes this combination.
Summary of the invention
Problem at the prior art existence, the purpose of this utility model is to provide a kind of display of integrating integrated touch control induction circuit, that is be display with embedded touch control device, or claim a kind of embedded type touch control (in-cell touch sensor) display, can reduce the employed material of traditional contact panel, and just can finish the part circuit of touch control induction circuit by the original technology of display, so can effectively save the manufacturing cost of display.
For achieving the above object, a kind of display of the utility model one embodiment with embedded touch control device, comprise one first substrate, one second substrate and and be located at the contactor control device of this second substrate surface, wherein the surface that is provided with a transistor array and this second substrate, a surface of this first substrate is provided with pixel unit array of the same colour, and this transistor array and color pixel cell array are facing each other and aim at.This contactor control device comprises a plurality of electrodes, a plurality of first lead and a plurality of first connection pad, and each described a plurality of first lead connects this electrode and this first connection pad.Be provided with a plurality of second connection pads, a plurality of second lead, a plurality of connecting line and a plurality of terminal pad on this first substrate in addition, respectively this second lead is electrically connected to this second connection pad and this connecting line, and at least one this connecting line and a plurality of this second lead are electrical connected.Respectively this connecting line and at least one this terminal pad are electrically connected, and respectively this first connection pad and this second connection pad are electrical connected again.
Among the utility model one embodiment, this tie line also comprises a plurality of terminal pad, and respectively this connecting line and at least one this terminal pad are electrically connected.
Among the utility model one embodiment, this display also comprises one and is set around described a plurality of electrode protection circuit or reference electrode on every side.
Among the utility model one embodiment, this protection circuit or this reference electrode comprise the first conduction filament around the periphery that is positioned at described a plurality of first connection pads and described a plurality of electrodes, and in a plurality of second conduction filaments that are positioned at described a plurality of electrodes both sides.
Among the utility model one embodiment, an only side end of described a plurality of second conduction filaments is connected to this first conductor wire.
Among the utility model one embodiment, this protection circuit or reference electrode are connected with this first connection pad.
Among the utility model one embodiment, respectively this electrode is a latticed conductor wire silk screen, and this conductor wire silk screen is arranged on this second substrate in alignment with the interval of this color pixel cell array.
Among the utility model one embodiment, described a plurality of electrodes comprise a plurality of first electrode and a plurality of second electrodes that are aligned to a plurality of row at first direction respectively that stretch along second direction.
Among the utility model one embodiment, there is at least one insulation course to separate between described a plurality of second lead and described a plurality of connecting line, this insulation course is provided with a plurality of through holes and has a plurality of metals or conductive material to insert in described a plurality of through hole again, makes this connecting line and a plurality of this second lead be electrical connected by described a plurality of metals or conductive material.
Among the utility model one embodiment, this transistor array comprises at least two metal levels, and described a plurality of second leads and described a plurality of connecting line are positioned at identical one deck with this two metal level respectively.
A kind of display of the utility model one embodiment with embedded touch control device, comprise one first substrate, one second substrate and and be located at the contactor control device of this second substrate surface, wherein the surface that is provided with a transistor array and this second substrate, a surface of this first substrate is provided with pixel unit array of the same colour, and this transistor array and color pixel cell array are facing each other and aim at.This contactor control device comprises a plurality of electrodes, a plurality of first lead and a plurality of first connection pad, each described a plurality of first lead connects this electrode and this first connection pad, wherein said a plurality of first connection pad is divided into two groups, and this two group is located at the relative both sides of this second substrate respectively again.Be provided with a plurality of second connection pads, a plurality of second lead, a plurality of connecting line and a plurality of terminal pad on this first substrate in addition, wherein said a plurality of second connection pads are to be divided into two groups, and this two group is located at the relative both sides of this first substrate respectively again.Respectively this second lead is electrically connected to this second connection pad and this connecting line, and at least one this connecting line and a plurality of this second lead are electrical connected.Respectively this connecting line and at least one this terminal pad are electrically connected, and respectively this first connection pad and this second connection pad are electrical connected again.
Among the utility model one embodiment, this tie line also comprises a plurality of terminal pad, and respectively this connecting line and at least one this terminal pad are electrically connected.
Among the utility model one embodiment, go back display and also comprise a protection circuit or a reference electrode that is set around around described a plurality of electrode.
Among the utility model one embodiment, this protection circuit or reference electrode are contained in the periphery first conduction filament all around of described a plurality of first connection pads and described a plurality of electrodes, and in a plurality of second conduction filaments that are positioned at described a plurality of electrodes both sides.
Among the utility model one embodiment, an only side end of described a plurality of second conduction filaments is connected to this first conduction filament.
Among the utility model one embodiment, this protection circuit or reference electrode are connected with this first connection pad.
Among the utility model one embodiment, respectively this electrode is a latticed conductor wire silk screen, and this conductor wire silk screen is arranged on this second substrate in alignment with the interval of this color pixel cell array.
Among the utility model one embodiment, described a plurality of electrodes comprise a plurality of first electrode and a plurality of second electrodes that are aligned to a plurality of row at first direction respectively that stretch along second direction.
Among the utility model one embodiment, there is at least one insulation course to separate between described a plurality of second lead and described a plurality of connecting line, this insulation course is provided with a plurality of through holes and has a plurality of metals or conductive material to insert in described a plurality of through hole again, makes this connecting line and a plurality of this second lead be electrical connected by described a plurality of metals or conductive material.
Among the utility model one embodiment, this transistor array comprises at least two metal levels, and described a plurality of second leads and described a plurality of connecting line are positioned at identical one deck with this two metal level respectively.
Among the utility model one embodiment, described a plurality of second connection pads are divided into two second connection pad groups, and these two second connection pad groups are located at this relative both sides of first substrate respectively.
The beneficial effects of the utility model are, can reduce the employed material of traditional contact panel, and just can finish the part circuit of touch control induction circuit by the original technology of display, so can effectively save the manufacturing cost of display.
Description of drawings
Fig. 1 is the diagrammatic cross-section of the display of the utility model one embodiment;
Fig. 2 is the conspectus of the contactor control device of the utility model one embodiment;
Fig. 3 is the synoptic diagram of tie line on first substrate of the utility model one embodiment;
Fig. 4 is the local enlarged diagram that one first electrode connects up between former color pixel;
Fig. 5 is the conspectus of the contactor control device of another embodiment of the utility model;
Fig. 6 is the synoptic diagram of tie line on first substrate of another embodiment of the utility model; And
Fig. 7 is the utility model conspectus of the contactor control device of an embodiment again.
Wherein, description of reference numerals is as follows:
10 displays, 11 first substrates
12 second substrates, 13,53,73 contactor control devices
14 common electrodes, 15 liquid crystal layers
110,510 thin film transistor (TFT) array districts
111 thin film transistor (TFT)s, 112,512 tie lines
113,513 insulation courses, 121 color filtering devices
131,531,731 electrodes, 132,532,732 first leads
133,533,733 first connection pads, 134,534 protection circuits
1111 grids, 1112 source electrodes
1113 drain electrodes, 1114 pixel electrodes
1121,5,121 second connection pads, 1122,5,122 second leads
1123,5123 connecting lines, 1124,5124 terminal pad
1211 former color pixel 1212 black matrix frames
1311,5,311 first electrodes
1312~1318,5312~5,318 second electrodes
1341,1342,5341,5342 conduction filament or reference electrodes
13111 conduction filaments
Embodiment
Fig. 1 is the diagrammatic cross-section of the display of the utility model one embodiment.One display 10 comprises the contactor control device 13 that one first substrate 11, one second substrate 12 and are located at these second substrate, 12 surfaces.These first substrate, 11 surfaces are provided with the thin film transistor (TFT) (TFT) 111 that array-like is arranged, and these second substrate, 12 surfaces are provided with the color filtering device 121 that contains the color pixel cell array.Yet application of the present utility model does not limit because of the LCD of present embodiment; for example: active matric Organic Light Emitting Diode (AMOLED) and plasma scope etc., as have two substrates and have the display of the color pixel cell array of similar color filtering device to be application protection domain of the present utility model.
This color filtering device 121 that contains the color pixel cell array comprises a plurality of former color pixels 1211 (Red) and black matrix frame 1212, again should black matrix frame 1212 be the hollow clathrate and be located in respectively between this former color pixel 1211.Be provided with usefulness electrode (common electrode) 14 altogether in a surface of described a plurality of former color pixels 1211, the electric field of 1114 formation of pixel electrode can be controlled the sense of rotation of liquid crystal molecule in the liquid crystal layer 15 on this common electrode 14 and this thin film transistor (TFT) 111.Contactor control device 13 is located on this black matrix frame 1212, can extend in these black matrix frame 1212 surfaces as shown in the figure.Right this contactor control device 13 can also be located between this black matrix frame 1212 and this second substrate 12, so the opposite layer of this contactor control device 13 and this black matrix frame 1212 is not subjected to the restriction of this embodiment.In addition, about the embodiment of contactor control device with the relative position that is somebody's turn to do black matrix frame, or can be referring to Fig. 1, Figure 12~Figure 14 of M373498 number application of TaiWan, China patent.
Be provided with a tie line 112 (Fig. 1 is not shown, referring to Fig. 3) on this first substrate 11 in addition, this tie line 112 and contactor control device 13 are electrical connected, and this tie line 112 can be connected to a control IC element (not shown).In addition, this this tie line 112 can utilize the technology that forms two metal levels of grid 1111 and source electrode 1112 (or draining 1113) in the thin film transistor (TFT) 111 to finish in the lump, so the utility model does not need to increase in addition the related process of this tie line 112.
Fig. 2 is the conspectus of the contactor control device of the utility model one embodiment.This contactor control device 13 of being located on this second substrate 12 comprises a plurality of electrodes 131, a plurality of first lead 132 and a plurality of first connection pad 133, and each described a plurality of first lead 132 connects this electrode 131 and this first connection pad 133.Described a plurality of electrode 131 can be categorized as a plurality of first electrodes 1311 and a plurality of second electrode 1312~1318, respectively this first electrode 1311 is extended into a row electrode along Y direction (or claiming second direction), described again a plurality of second electrode 1312 (or claim first direction) on directions X is aligned to a plurality of row (present embodiment is 7 row, promptly with the label 1312~1318 of delegation) respectively.Connection respectively this first lead 132 of this electrode 131 extends upwardly to this first connection pad 133, and therefore described a plurality of electrodes 131 still keep electrically independent on this second substrate 12.
Around being set around described a plurality of electrode 131 at least one protection circuit (or reference electrode (referenceelectrode)) 134 is arranged; can protect described a plurality of electrode 131 not to be subjected to the interference of external electrical field and the error-detecting touch-control moves; or the reference potential of 131 at this electrode is provided, to improve the sensitivity of touch-control.This protection circuit 134 is connected to one first connection pad 133 in the upper left corner among the figure; it is contained in the outermost conduction filament 1341 all around of described a plurality of first connection pads 133 and described a plurality of electrode 131, and in the conduction filament 1342 that is positioned at described a plurality of second electrodes 1311 both sides.The conduction filament 1341 of the bottom side conduction filament 1342 of can getting along well is connected, but the conduction filament 1342 of this kind embodiment needs be connected with the conduction filament 1341 of top side.
Fig. 3 is the synoptic diagram of tie line on first substrate of the utility model one embodiment.The tie line 112 that one thin film transistor (TFT) array district 110 and aims at this contactor control device 13 is set on this first substrate 11.This tie line 112 comprises a plurality of second connection pads 1121, a plurality of second lead 1122, a plurality of connecting line 1123 and a plurality of terminal pad 1124.Respectively this second connection pad 1121 and this first connection pad 133 are electrical connected, that is this first substrate 11 and second substrate 12 be with the combination of frame glue, and facing each other this second connection pad 1121 can electrically connect (referring to Fig. 2) by anisotropic conducting rubber with this first connection pad 133.Can also use other modes that electrically conducts, make each this second connection pad 1121 and these first connection pad, 133 vertical conducting correspondence.Described a plurality of second lead 1122 and a plurality of connecting line 1123 are positioned at other metal level of different layers, as previously mentioned, can lay respectively in the two identical metal levels of source electrode 1112 in this thin film transistor (TFT) 111 (or draining 1113) and grid 1111.
Respectively this second lead 1122 is electrically connected to this second connection pad 1121 and this connecting line 1123.Part this connecting line 1123 is electrical connected with a plurality of these second leads 1122, and it forms a plurality of through holes in 113 of insulation courses to each other, and inserts metal or conductive material with vertical conducting in through hole, and the position of through hole is to represent the node position with round dot among Fig. 3.These second leads 1122 that electrically connect by a connecting line 1123 correspond to along second electrode 1312~1318 of directions X aligning with delegation again, so embodiment is a two-dimensional position touch-control display screen.Respectively this terminal pad 1124 is connected with this connecting line 1123, and can be connected to a control IC element (not shown).
Fig. 4 is the local enlarged diagram of first electrode that extends along the Y direction.This first electrode 1311 is made of a latticed conduction filament 13111, and it is located on 1211 black matrix frames 1212 of this former color pixel.This second electrode 1312~1318 also is made of similar latticed conduction filament again, and is positioned at place, this black matrix frame 1212 places equally, so this first electrode 1311 and second electrode 1312 can not cause the light transmittance of this display 10 to descend.
Fig. 5 is the conspectus of the contactor control device of another embodiment of the utility model.The contactor control device 53 of present embodiment is divided into two groups with a plurality of first connection pads 533, and these two groups are located at the relative both sides of this second substrate 12 respectively, and present embodiment is in the both sides up and down of this second substrate 12.Therefore, a plurality of first leads 532 extend from the past respectively both sides up and down of described a plurality of electrodes 531, and are connected to this first connection pad 533 separately.Compared to Fig. 2, shorter in the present embodiment from the length of first lead 532 of drawing near the partial electrode 531 of downside, therefore can reduce resistance value and promote the electrical specification of this contactor control device 53, be particularly useful for giant display.
Around being set around described a plurality of electrode 531 at least one protection circuit (or reference electrode (referenceelectrode)) 534 is arranged; can protect described a plurality of electrode 531 not to be subjected to the interference of external electrical field and the error-detecting touch-control moves; or the reference potential of 531 at this electrode is provided, to improve the sensitivity of touch-control.This protection circuit 534 is connected to one first connection pad 533 in the upper left corner among the figure; it is contained in the outermost conduction filament 5341 all around of described a plurality of first connection pads 533 and described a plurality of electrode 531, and in the conduction filament 5342 that is positioned at described a plurality of first electrodes 5311 both sides.The conduction filament 5341 of bottom side is not connected with conduction filament 5342.
Fig. 6 is the synoptic diagram of tie line on first substrate of another embodiment of the utility model.The tie line 512 that this thin film transistor (TFT) array district 510 and one aims at this contactor control device 53 is set on this first substrate 11.This tie line 512 is used for connection layout 5 contactor control devices 53 to control IC element (figure does not show), and it comprises a plurality of second connection pads 5121, a plurality of second lead 5122, a plurality of connecting line 5123 and a plurality of terminal pad 5124.Described a plurality of second connection pad 5121 also is divided into two groups, and these two groups are located at the relative upper and lower both sides of this first substrate 11 respectively.Respectively this second connection pad 5121 and this first connection pad 533 (referring to Fig. 5) are electrical connected, that is this first substrate 11 and second substrate 12 be with the combination of frame glue, and facing each other this second connection pad 5121 can electrically connect by anisotropic conducting rubber with this first connection pad 533.Can also use other modes that electrically conducts, make each corresponding this second connection pad 5121 and these first connection pad, 533 vertical conductings.Described a plurality of second lead 5122 and a plurality of connecting line 5123 are positioned at other metal level of different layers.
Respectively this second lead 5122 is electrically connected to this second connection pad 5121 and this connecting line 5123, and same described a plurality of second leads 5122 and a plurality of connecting line 5123 also are divided into upper and lower two groups.Part this connecting line 5123 is electrical connected with a plurality of these second leads 5122, and it forms a plurality of through holes in 513 of insulation courses to each other, and inserts metal or conductive material with vertical conducting in through hole, and the position of through hole is to represent the node position with round dot among Fig. 6.These second leads 5122 that electrically connect by a connecting line 5123 correspond to along second electrode 5312~5318 of directions X aligning with delegation again, so present embodiment is a two-dimensional position touch-control display screen.Respectively this terminal pad 5124 is connected with this connecting line 5123.
Fig. 7 is the utility model conspectus of the contactor control device of an embodiment again.This contactor control device 73 of being located on this second substrate 12 comprises a plurality of electrodes 731, a plurality of first lead 732 and a plurality of first connection pad 733, and each described a plurality of first lead 732 connects this electrode 731 and this first connection pad 733.Described a plurality of electrode 731 has six row along Y direction (or claiming second direction) alignment, and described again a plurality of electrodes 731 have seven row along (or claiming first direction) alignment on the directions X.Connection respectively this first lead 732 of this electrode 731 extends to this first connection pad 733 up or down, and described again a plurality of first connection pads 733 also are divided into upper and lower two groups to shorten the length of this first lead 732 of part.
Technology contents of the present utility model and technical characterstic disclose as above, yet those skilled in the art still may be based on instruction of the present utility model and announcements and done all replacement and modifications that does not deviate from the utility model spirit.Therefore, protection domain of the present utility model should be not limited to those disclosed embodiments, and should comprise various do not deviate from replacement of the present utility model and modifications, and is contained by following claim protection domain.