CN101893965A - Touch display panel - Google Patents
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- CN101893965A CN101893965A CN2010102489353A CN201010248935A CN101893965A CN 101893965 A CN101893965 A CN 101893965A CN 2010102489353 A CN2010102489353 A CN 2010102489353A CN 201010248935 A CN201010248935 A CN 201010248935A CN 101893965 A CN101893965 A CN 101893965A
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Abstract
The invention relates to a touch display panel, comprising a display substrate, a shared substrate and a touch substrate, wherein the display substrate is provided with a first conductive layer; the share substrate corresponds to the display substrate; a second conductive layer and a third conductive layer are respectively arranged on two lateral surfaces of the shared substrate; the second conductive substrate corresponds to the first conductive layer; and the touch substrate corresponds to the shared substrate and is provided with a fourth conductive layer which corresponds to the third conductive layer. Therefore, the touch display panel can reduce the production cost and improve the touch precision of the touch display panel.
Description
Technical field
The invention relates to a kind of display panel, it is meant a kind of touch-control display panel especially.
Background technology
The producer of Ke Ji progress, so electronics now many electronic installations in order to develop in response to the common people's demand, and the function of those electronic installations more and more is powerful, and brings the many on the living conditions conveniences of the common people now.Various now electronic installations mostly provide a panel, the function of watching electronic installation to provide for the user, allowing the user according to the shown function of panel, and the button of operating electronic devices and carry out the function of electronic installation, but this kind mode of operation is that certain inconvenience is arranged.Electronic installation manufacturer is for more convenient user's operating electronic devices now, so the display panel that provides mostly is touch-control display panel, touch-control display panel is a kind of typical coordinate entering device, the user can get final product the function that simple and easy execution electronic installation is provided by the shown function of simple contact touch-control display panel.
Along with the economic boost and the industrial structure change, science and technology is maked rapid progress now, produces very big change for the industrial structure, also impact,, make enterprise's energy sustainable for meeting world trends, have only and reduce production costs, improve the integrated operation performance, just can strengthen enterprise competitiveness.Touch-control display panel industry development in recent years is rapid, also is to drive the important industry that economy of taiwan is grown up after semi-conductive.Touch-control display panel all is to add that by single display module single touch-control module is assembled now.Owing to display module all is a single individuality with touch-control module, therefore in production, must be assembled to constitute touch-control display panel, so can increase production cost.In addition,, so promptly can increase the integral thickness of touch-control display panel, not be particular about light, thin, short, little trend and meet present electronic installation because touch-control display panel is to be assembled by single display module and single touch-control module.
Seeing also Fig. 1, is the cut-open view of prior art touch-control display panel.As shown in the figure, the prior art touch-control display panel comprises display module and touch-control module, and display module comprises one first basic unit 10 ', one second basic unit 12 ', a colored filter 14 ', one first conductive layer, 16 ' one second conductive layer 18 ' and a glue frame 19 '.First basic unit 10 ' corresponds to second basic unit 12 ', colored filter 14 ' is arranged at first basic unit 10 ', first conductive layer 16 ' and second conductive layer 18 ' are arranged at the colored filter 14 ' and second basic unit 12 ' respectively, and glue frame 19 ' is arranged between first conductive layer 16 ' and second conductive layer 18 '.
Consult Fig. 1 again, touch-control module comprises one first basic unit 20 ', one second basic unit 22 ', one first conductive layer, 26 ' one second conductive layer 28 ' and a glue frame 29 '.First basic unit 20 ' corresponds to second basic unit, 22 ', the first conductive layer 26 ' and second conductive layer 28 ' is arranged at first basic unit 20 ' and second basic unit 22 ' respectively, and glue frame 29 ' is arranged between first conductive layer 26 ' and second conductive layer 28 '.From the above, the prior art touch-control display panel is to be assembled by single display module and single touch-control module, thus can increase assembly expenses, and improve production cost, and can increase the integral thickness of touch-control display panel.In addition, because the processing procedure precision of touch-control module is not high,,, so promptly can limit the touch-control precision of touch-control module so the quantity of signal line promptly can be subjected to certain limitation so the live width of the signal line of first conductive layer 26 ' and second conductive layer 28 ' is bigger.
Therefore, the present invention is promptly proposing a kind of touch-control display panel at the problems referred to above, and it not only can improve above-mentioned prior art shortcoming, can improve the restriction of live width of the signal line of traditional touch-control module again, and the touch-control precision of raising touch-control display panel, to address the above problem.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of touch-control display panel, and it need not assemble single display module and single touch-control module, and only comprises three basic units, so can reduce production costs and integral thickness.
Another object of the present invention is to provide a kind of touch-control display panel, and it can improve the precision of signal line of the conductive layer of touch-control module, and improves the touch-control precision of touch-control display panel.
Another purpose of the present invention, be to provide a kind of touch-control display panel, it integrates the touch-control chip in touch-control display panel, with the circuit board of reduction electronic installation and the complexity of the circuit between touch-control display panel, and reduce circuit and take the area of the circuit board of electronic installation, and then reduce cost.
Another purpose of the present invention is to provide a kind of touch-control display panel, and it reduces impedance and the purpose that increases stable signal transmission by metal level being set in conductive layer to reach.
To achieve the above object, the present invention is a kind of touch-control display panel, and it includes:
One shows basic unit, has one first conductive layer;
One shares basic unit, shows basic unit corresponding to this, and the two sides of this shared basic unit have one second conductive layer and one the 3rd conductive layer respectively, and this second conductive layer is corresponding to this first conductive layer; And
One touch-control basic unit corresponding to this shared basic unit, have one the 4th conductive layer, and the 4th conductive layer is corresponding to the 3rd conductive layer.
Among the present invention, wherein the 3rd conductive layer or the 4th conductive layer are provided with a metal level.
Among the present invention, more comprise a touch-control circuit, it electrically connects the 3rd conductive layer and the 4th conductive layer.
Among the present invention, more comprise:
One touch-control chip is arranged at this shared basic unit, and electrically connects the 3rd conductive layer and the 4th conductive layer, the length that is shorter in length than this shared basic unit of this touch-control basic unit; And
One flexible circuit board electrically connects this touch-control chip.
Among the present invention, more comprise a transmission assembly, it is arranged between the 3rd conductive layer and the 4th conductive layer.
Among the present invention, wherein this flexible circuit board has at least one I/O port and electrically connects with at least one I/O port of this touch-control chip.
Among the present invention, more comprise:
One touch-control chip is located at this shared basic unit, and electrically connects the 3rd conductive layer and the 4th conductive layer, and this touch-control basic unit has a perforation, and this touch-control chip is through at this perforation and is arranged at this shared basic unit; And
One flexible circuit board is electrically connected at this touch-control chip.
Among the present invention, more comprise:
One first transmission assembly is arranged between the 3rd conductive layer and this flexible circuit board; And
One second transmission assembly is arranged between the 4th conductive layer and this flexible circuit board.
Among the present invention, wherein this flexible circuit board has a plurality of vias.
Among the present invention, wherein this flexible circuit board has at least one I/O port and electrically connects with at least one I/O port of this touch-control chip.
Among the present invention, more comprise one and cover brilliant thin-film module, it electrically connects the 3rd conductive layer and the 4th conductive layer.
Among the present invention, wherein this covers brilliant thin-film module and is arranged at this shared basic unit, the length that is shorter in length than this shared basic unit of this touch-control basic unit.
Among the present invention, more comprise:
One first transmission assembly is arranged at this shared basic unit and this covers between the brilliant thin-film module; And
One second transmission assembly is arranged between this shared basic unit and this touch-control basic unit.
Among the present invention, wherein this covers brilliant thin-film module and is arranged at this shared basic unit and this touch-control basic unit.
Among the present invention, more comprise:
One first transmission assembly is arranged at this shared basic unit and this covers between the brilliant thin-film module; And
One second transmission assembly is arranged at this touch-control basic unit and this covers between the brilliant thin-film module.
Among the present invention, wherein this covers brilliant thin-film module and comprises:
One pliability wiring board is electrically connected at the 3rd conductive layer and the 4th conductive layer; And
One touch-control chip is arranged at this pliability wiring board.
Among the present invention, the external flexible circuit board of this pliability wiring board wherein.
Among the present invention, wherein this flexible circuit board has at least one I/O port and electrically connects with at least one I/O port of this touch-control chip.
Among the present invention, more comprise:
One flexible circuit board is arranged between the 3rd conductive layer and the 4th conductive layer, and is electrically connected at the 3rd conductive layer and the 4th conductive layer respectively; And
One covers brilliant thin-film module, is connected in this flexible circuit board.
Among the present invention, more comprise:
One first transmission assembly is arranged between the 3rd conductive layer and this flexible circuit board; And
One second transmission assembly is arranged between the 4th conductive layer and this flexible circuit board.
Among the present invention, wherein this covers brilliant thin-film module and more comprises:
One pliability wiring board is electrically connected at this flexible circuit board; And
One touch-control chip is arranged at this pliability wiring board.
Among the present invention, external another flexible circuit board of this pliability wiring board wherein.
Among the present invention, wherein this this external flexible circuit board has at least one I/O port and electrically connects with at least one I/O port of this touch-control chip.
Among the present invention, wherein this flexible circuit board of electrically connecting of this pliability wiring board, the 3rd conductive layer and the 4th conductive layer has at least one I/O port and electrically connects with at least one I/O port of this touch-control chip.
Among the present invention, more comprise a display control chip, it electrically connects this first conductive layer and this second conductive layer.
Among the present invention, more comprise a flexible circuit board, it electrically connects this display control chip.
Among the present invention, more comprise a glue frame, it is arranged between this first conductive layer and this second conductive layer.
Among the present invention, more comprise a colored filter, it is arranged between this demonstration basic unit and this first conductive layer.
Among the present invention, more comprise a metal level, it is arranged between this demonstration basic unit and this first conductive layer.
Among the present invention, more comprise a glue frame, it is arranged between the 3rd conductive layer and the 4th conductive layer.
Among the present invention, wherein this touch-control basic unit is a diaphragm.
Among the present invention, wherein this demonstration basic unit is a glass substrate with sharing basic unit.
The beneficial effect that the present invention has: touch-control display panel of the present invention, because being arranged at respectively, second conductive layer and the 3rd conductive layer share basic unit, so touch-control display panel of the present invention only needs three basic units, and four basic units need be set, so can reduce production costs and the integral thickness of touch-control display panel.In addition, the live width of the signal line of the 3rd conductive layer and the 4th conductive layer can reduce, and improves the precision of the signal line of the 3rd conductive layer and the 4th conductive layer, and then improves the touch-control precision of touch-control display panel.
Description of drawings
Fig. 1 is the cut-open view of prior art touch-control display panel;
Fig. 2 is the cut-open view of first preferred embodiment of touch-control display panel of the present invention;
Fig. 3 is the top view of second preferred embodiment of touch-control display panel of the present invention;
Fig. 4 is the cut-open view of second preferred embodiment of touch-control display panel of the present invention;
Fig. 5 is the top view of the 3rd preferred embodiment of touch-control display panel of the present invention;
Fig. 6 is the cut-open view of the 4th preferred embodiment of touch-control display panel of the present invention;
Fig. 7 is the cut-open view of the 5th preferred embodiment of touch-control display panel of the present invention;
Fig. 8 is the top view of the 6th preferred embodiment of touch-control display panel of the present invention;
Fig. 9 is the cut-open view of the 6th preferred embodiment of touch-control display panel of the present invention;
Figure 10 is the top view of the 7th preferred embodiment of touch-control display panel of the present invention;
Figure 11 is the cut-open view of the 7th preferred embodiment of touch-control display panel of the present invention;
Figure 12 is the top view of the 8th preferred embodiment of touch-control display panel of the present invention;
Figure 13 is the cut-open view of the 8th preferred embodiment of touch-control display panel of the present invention;
Figure 14 is the top view of the 9th preferred embodiment of touch-control display panel of the present invention; And
Figure 15 is the cut-open view of the 9th preferred embodiment of touch-control display panel of the present invention.
[figure number is to as directed]
12 ' second basic unit of 10 ' first basic unit
14 ' colored filter, 16 ' first conductive layer
18 ' second conductive layer, 19 ' glue frame
22 ' second basic unit of 20 ' first basic unit
26 ' first conductive layer, 28 ' second conductive layer
29 ' glue frame 10 shows basic unit
11 share 12 touch-control basic units of basic unit
121 perforation, 13 first conductive layers
14 colored filters, 15 second conductive layers
16 the 3rd conductive layers 17 the 4th conductive layer
173 signal line, 18 glue frames
19 glue frames, 20 display control chips
21 transmission assemblies, 22 transmission assemblies
23 flexible circuit boards, 231 conductting layers
233 conductting layers, 24 transmission assemblies
25 touch-control chips, 26 transmission assemblies
27 transmission assemblies, 28 flexible circuit boards
281 conductting layers, 283 conductting layers
29 transmission assemblies, 30 the first metal layers
31 second metal levels, 33 touch-control chips
34 flexible circuit boards, 341 vias
343 conductting layers, 345 conductting layers
347 conductting layers, 36 first transmission assemblies
37 second transmission assemblies 38 the 3rd transmission assembly
40 cover brilliant thin-film module 42 pliability wiring boards
44 touch-control chips, 421 conductting layers
423 conductting layers, 45 first transmission assemblies
46 second transmission assemblies, 47 flexible circuit boards
471 conductting layers, 473 I/O ports
48 transmission assemblies 50 cover brilliant thin-film module
52 pliability wiring boards, 521 vias
523 conductting layers, 525 conductting layers
527 conductting layers, 54 touch-control chips
56 first transmission assemblies, 57 second transmission assemblies
58 flexible circuit boards, 581 conductting layers
583 I/O ports, 59 transmission assemblies
60 flexible circuit boards, 601 vias
603 conductting layers, 605 conductting layers
607 conductting layers, 62 first transmission assemblies
64 second transmission assemblies 70 cover brilliant thin-film module
72 pliability wiring boards, 721 conductting layers
723 conductting layers, 74 touch-control chips
76 transmission assemblies, 80 flexible circuit boards
801 conductting layers, 803 I/O ports
82 transmission assemblies
Embodiment
Further understand and understanding for making architectural feature of the present invention and the effect reached had, cooperate detailed explanation, be described as follows in order to preferred embodiment and accompanying drawing:
At first, seeing also Fig. 2, is the cut-open view of first preferred embodiment of touch-control display panel of the present invention.As shown in the figure, touch-control display panel of the present invention comprises one and shows 10, one a shared basic unit 11 and a touch-control basic unit 12 of basic unit, shares basic unit 11 corresponding to showing basic unit 10, and touch-control basic unit 12 is corresponding to shared basic unit 11.Show that a basic unit 10 and an embodiment of shared basic unit 11 are a glass substrate, and an embodiment of touch-control basic unit 12 is a diaphragm.Show that basic unit 10 has one first conductive layer 13, and a colored filter 14 is arranged between the demonstration basic unit 10 and first conductive layer 13.In another embodiment, colored filter 14 is replaceable to be a metal level.Share basic unit 11 and have one second conductive layer 15 and one the 3rd conductive layer 16, and be arranged at the two sides of sharing basic unit 11 respectively, second conductive layer 15 is corresponding to first conductive layer 13.Touch-control basic unit 12 has one the 4th conductive layer 17, and it is corresponding to the 3rd conductive layer 16.Be provided with a glue frame 18 between first conductive layer 13 and second conductive layer 15, and be provided with a glue frame 19 between the 3rd conductive layer 16 and the 4th conductive layer 17.Above-mentioned first conductive layer 13, second conductive layer 15, the 3rd conductive layer 16 and the 4th conductive layer 17 include a plurality of signal line respectively, and this technology that those skilled in the art all knew for this reason is so be not described in detail in this.
From the above, because touch-control display panel of the present invention only needs to show basic unit 10, shares basic unit 11 and touch-control basic unit 12, so need four basic units compared to the prior art touch-control display panel, therefore the integral thickness of touch-control display panel of the present invention is less, and meet light, thin, short, the little trend of being particular about now, and can reduce production costs.In addition, touch-control display panel of the present invention is directly to form touch-control module in the display module top, so do not need to assemble single display module and single touch-control module, so do not need built-up time and expense, therefore more can further save production cost.In addition, because touch-control display panel of the present invention is directly to form touch-control module in the display module top, so can adopt the processing procedure of display module, so can reduce the 3rd conductive layer 16 and the 4th conductive layer 17 signal line live width, so can improve the quantity of the signal line of the 3rd conductive layer 16 and the 4th conductive layer 17, and the precision of raising touch-control module, and then the touch-control precision of raising touch-control display panel, to promote the usefulness of touch-control display panel.Above-mentioned display module can be the display module of LCD MODULE or other type.
Seeing also Fig. 3 and Fig. 4, is the front view and the cut-open view of second preferred embodiment of touch-control display panel of the present invention.As shown in the figure, this embodiment is compared to Fig. 2 embodiment, this embodiment more includes a display control circuit and a touch-control circuit, display control circuit is used to electrically connect first conductive layer 13 and second conductive layer 15, with control display module show image, touch-control circuit then is used to electrically connect the 3rd conductive layer 16 and the 4th conductive layer 17, to receive the touch-control signal that signal line was produced of the 3rd conductive layer 16 and the 4th conductive layer 17, pushes the position of touch-control display panel to learn the user.
Display control circuit comprises a display control chip 20 in this embodiment, and it is arranged at shares basic unit 11, and is electrically connected at first conductive layer 13 and second conductive layer 15.Display control chip 20 covers crystal glass joining technique (Chip On Glass) for utilization and is arranged at shared basic unit 11.In this embodiment, the length that shows basic unit 10 is to be shorter than the length of sharing basic unit 11, shares basic unit 11 to allow display control chip 20 be arranged at.Display control circuit more comprises two transmission assemblies 21 and 22, transmission assembly 21 is arranged between first conductive layer 13 and second conductive layer 15, get final product transmitting signals between first conductive layer 13 like this and second conductive layer 15, and transmission assembly 22 is arranged between the display control chip 20 and second conductive layer 15, so display control chip 20 can electrically connect second conductive layer 15, and can be by second conductive layer 15 to electrically connect with first conductive layer 13, so display control chip 20 can transmitting signals to the first conductive layer 13 and second conductive layer 15.
Consult Fig. 4 again, touch-control circuit comprises a touch-control chip 25 in this embodiment, and it is arranged at shares basic unit 11 and be electrically connected at the 3rd conductive layer 16 and the 4th conductive layer 17.Touch-control chip 25 covers the crystal glass joining technique for utilization and is arranged at shared basic unit 11.In this embodiment, the length of touch-control basic unit 12 is to be shorter than the length of sharing basic unit 11, shares basic unit 11 to allow touch-control chip 25 be arranged at.Touch-control circuit more comprises two transmission assemblies 26 and 27, transmission assembly 26 is arranged between the 3rd conductive layer 16 and the 4th conductive layer 17, get final product transmitting signals between the 3rd conductive layer 16 like this and the 4th conductive layer 17, and transmission assembly 27 is arranged between touch-control chip 25 and the 3rd conductive layer 16, so touch-control chip 25 can electrically connect the 3rd conductive layer 16, and can be by the 3rd conductive layer 16 to electrically connect with the 4th conductive layer 17, so touch-control chip 25 can receive the touch-control signal that signal line produced of the 3rd conductive layer 16 and the 4th conductive layer 17, and learns that the user pushes the position of touch-control display panel.
Touch-control chip 25 more electrically connects a flexible circuit board 28, and flexible circuit board 28 has two conductting layers 281 and 283, and is arranged at the two ends of flexible circuit board 28 respectively.One transmission assembly 29 is arranged between the conductting layer 281 and the 3rd conductive layer 16 of flexible circuit board 28, so flexible circuit board 28 promptly is electrically connected at the 3rd conductive layer 16, with can with touch-control chip 25 transmitting signals, so touch-control chip 25 promptly can be sent to position of touch flexible circuit board 28.The conductting layer 283 of flexible circuit board 28 is connected in the internal circuit board of electronic installation, transfer to the control chip of electronic installation with the position of touch that touch-control chip 25 is transmitted, learn that for control chip the user pushes the position of touch-control display panel, and then carry out corresponding function.One preferred embodiment of above-mentioned transmission assembly 25,26,29 is an anisotropic conductive.
The present invention shares basic unit 11 by touch-control chip 25 is arranged at, and electrically connects with the 3rd conductive layer 16 of shared basic unit 11 and the 4th conductive layer 17 of touch-control basic unit 12.So when the user presses this touch-control display panel, the touch-control signal that signal line produced of the 3rd conductive layer 16 and the 4th conductive layer 17, promptly can be passed to touch-control chip 25, so touch-control chip 25 can learn that the user presses the position of this touch-control display panel, and position of touch is passed to the control chip of the circuit board of electronic installation by flexible circuit board 28, carry out follow-up respective action for the control chip of electronic installation according to this position of touch.This embodiment integrates touch-control chip 25 in touch-control display panel, be to allow the circuit board of electronic installation not need to be connected with all signal line of the 4th conductive layer 17 with the 3rd conductive layer 16 of touch-control display panel, and only need several signal line to be connected with touch-control chip 25, can learn user's position of touch.
From the above, if improve the touch-control precision of touch-control display panel or have the multi-point touch function, and when increasing the quantity of signal line of the 3rd conductive layer 16 and the 4th conductive layer 17, the present invention only can increase the pin count that touch-control chip 25 is connected with the signal line of the 3rd conductive layer 16 and the 4th conductive layer 17, and need not increase the pin that touch-control chip 25 is connected with the circuit board of electronic installation, just need not increase the circuit of the circuit board of electronic installation, so can reduce the complexity of the circuit between electronic installation and the touch-control display panel, and the circuit that reduces circuit board takies the area of circuit board, and then can reduce cost.Because the technology of chip is quite progressive now, can't increase too many area and cost compared to the pin count that increases circuit board so increase the pin count of touch-control chip 25.
Seeing also Fig. 5, is the front view of the 3rd preferred embodiment of touch-control display panel of the present invention.The difference of this embodiment and Fig. 4 embodiment is in the flexible circuit board 23 of this embodiment more can have a plurality of conductting layers 233, promptly increase a plurality of I/O port, and the position at those conductting layer 233 places is inequality, those conductting layers 233 can electrically connect with at least one I/O port of display control chip 20 (figure does not show) via flexible circuit board 23, so can be positioned at diverse location, and make flexible circuit board 23 be convenient to connect the circuit board of electronic installation in response to the set input/output end port of various circuit boards.Be same as above-mentioned, flexible circuit board 28 more can have a plurality of conductting layers 283, promptly increase a plurality of I/O port, and the position at those conductting layer 283 places is inequality, and those conductting layers 283 can electrically connect with at least one I/O port of touch-control chip 25 (figure does not show) via flexible circuit board 28.
Seeing also Fig. 6, is the cut-open view of the 4th preferred embodiment of touch-control display panel of the present invention.As shown in the figure, this embodiment is different from Fig. 4 embodiment part and is that this embodiment increases a first metal layer 30 and one second metal level 31, the first metal layer 30 and second metal level 31 lay respectively at the 3rd conductive layer 16 and the 4th conductive layer 17, and contain the 3rd conductive layer 16 and the 4th conductive layer 17, and can be used for reducing impedance and interference, to improve the stability of signal.The present invention also can only be provided with metal level in the 3rd conductive layer 16 or the 4th conductive layer 17.
Seeing also Fig. 7, is the cut-open view of the 5th preferred embodiment of touch-control display panel of the present invention.As shown in the figure.This embodiment is different from an embodiment part and is the first metal layer 30 of this embodiment and all areas that second metal level 31 is not contained the 3rd conductive layer 16 and the 4th conductive layer 17, the first metal layer 30 of this embodiment only letter lid with respect to three conductive layer 16 of transmission assembly 26 with transmission assembly 29 positions, and second metal level 31 only the letter lid with respect to the 4th conductive layer 17 of transmission assembly 26 positions.This mode can allow the frame of touch-control display panel can not be subjected to the first metal layer 30 and the 31 opaque influences of second metal level, so that the frame of touch-control display panel can keep is transparent.
Seeing also Fig. 8 and Fig. 9, is the front view and the cut-open view of the 6th preferred embodiment of touch-control display panel of the present invention.As shown in the figure, touch-control basic unit 12 has a perforation 121, the position of perforation 121 shown in Figure 8, and it is one embodiment of the invention only, is not to limit to the 121 set positions of boring a hole, it can determine according to user demand.One touch-control chip 33 is through at the perforation 121 of touch-control basic unit 12 and is arranged at shares basic unit 11, and electrically connects the 3rd conductive layer 16 and the 4th conductive layer 17, and touch-control chip 33 covers the crystal glass joining technique for utilization and is arranged at shared basic unit 11.One flexible circuit board 34, it is arranged between the end of an end of sharing basic unit 11 and touch-control basic unit 12, and is electrically connected at the 3rd conductive layer 16 of sharing basic unit 11 and the 4th conductive layer 17 of touch-control basic unit 12 respectively.Because touch-control chip 33 electrically connects the 3rd conductive layer 16, so flexible circuit board 34 is electrically connected at touch-control chip 33.Flexible circuit board 34 has a plurality of vias (VIA) 341, to allow the 3rd conductive layer 16 and the 4th conductive layer 17 electrically connect by flexible circuit board 34, with transmitting signals.
Accept above-mentionedly, flexible circuit board 34 has two conductting layers 343,345.One first transmission assembly 36 is arranged between the conductting layer 343 of the 3rd conductive layer 16 and flexible circuit board 34, makes flexible circuit board 34 be electrically connected at the 3rd conductive layer 16.One second transmission assembly 37 is arranged between the conductting layer 345 of the 4th conductive layer 17 and flexible circuit board 34, makes flexible circuit board 34 be electrically connected at the 4th conductive layer 17.One the 3rd transmission assembly 38 is arranged between the 3rd conductive layer 16 of touch-control chip 33 and shared basic unit 11.A plurality of signal line 173 of three conductive layer 16 of touch-control chip 33 by sharing basic unit 11 are to be electrically connected with flexible circuit board 34, and those vias 341 via flexible circuit board 34, be electrically connected with the 4th conductive layer 17 with touch-control basic unit 12, so touch-control chip 33 can receive the touch-control signal of the signal line of the 4th conductive layer 17.One preferred embodiment of above-mentioned transmission assembly 36,37,38 is an anisotropic conductive.
Touch-control chip 33 is used for the both sides that pin that the signal line with the signal line of the 3rd conductive layer 16 and the 4th conductive layer 17 electrically connects can be arranged at touch-control chip 33 respectively, to receive the touch-control signal of the 3rd conductive layer 16 and the 4th conductive layer 17 respectively.In this embodiment, the pin that touch-control chip 33 is used to receive the touch-control signal of the 3rd conductive layer 16 is the left side that is arranged at touch-control chip 33, and touch-control chip 33 is used to receive the pin of the touch-control signal of the 4th conductive layer 17 are the right sides that are arranged at touch-control chip 33, so can allow the pin of touch-control chip 33 on average be arranged at the both sides of touch-control chip 33, and can not concentrate on a side, reducing impedance and can avoid pin too concentrated, and avoid the phase mutual interference, and then improve the stability of signal.
In addition, flexible circuit board 34 has more a conductting layer 347, to be used to connect the internal circuit board of electronic installation.Touch-control chip 33 is according to the touch-control signal of the 3rd conductive layer 16 and the 4th conductive layer 17, and the position of touch of being learnt can transfer to flexible circuit board 34 by those signal line 173 of the 3rd conductive layer 16, and via the control chip of conductting layer 347 transmission position of touch to electronic installation, learn that for control chip the user pushes the position of touch-control display panel, and then carry out corresponding function.In addition, the flexible circuit board 34 of this embodiment more can have a plurality of conductting layers 347, promptly increase a plurality of I/O port, and the position at those conductting layer 347 places is inequality, those conductting layers 347 can electrically connect with at least one I/O port of touch-control chip 33 (figure does not show) via flexible circuit board 34, so can be positioned at diverse location, and make flexible circuit board 34 be convenient to connect the circuit board of electronic installation in response to the set input/output end port of various circuit boards.
Seeing also Figure 10 and Figure 11, is the top view and the cut-open view of the 7th preferred embodiment of touch-control display panel of the present invention.The touch-control circuit of this embodiment comprise one cover brilliant thin-film module (Chip On Film, COF) 40, it is arranged at shares basic unit 11 and is electrically connected at the 3rd conductive layer 16 and the 4th conductive layer 17.In this embodiment, the length of touch-control basic unit 12 is to be shorter than the length of sharing basic unit 11, covers brilliant thin-film module 40 and is arranged at and shares basic unit 11 to allow.Cover brilliant thin-film module 40 and include a pliability wiring board 42 and a touch-control chip 44.Pliability wiring board 42 has two conductting layers 421 and 423, and is arranged at the two ends of pliability wiring board 42 respectively.
Consult Figure 10 and Figure 11 again, one first transmission assembly 45 is arranged between the 3rd conductive layer 16 of the conductting layer 421 of pliability wiring board 42 and shared basic unit 11, promptly first transmission assembly 45 is arranged at and covers between brilliant thin-film module 40 and the shared basic unit 11, so cover brilliant thin-film module 40 and promptly be arranged at shared basic unit 11, and be electrically connected at the 3rd conductive layer 16, to receive the touch-control signal of the 3rd conductive layer 16.One second transmission assembly 46 is arranged between the 4th conductive layer 17 of the 3rd conductive layer 16 of sharing basic unit 11 and touch-control basic unit 12, and the 3rd conductive layer 16 like this can transmit touch-control signal to the four conductive layers 17, and transfers to pliability wiring board 42.One embodiment of first transmission assembly 45 and second transmission assembly 46 is an anisotropic conductive.
In addition, touch-control chip 44 is arranged at pliability wiring board 42, and with the touch-control signal of the signal line that receives the 3rd conductive layer 16 and the 4th conductive layer 17, so touch-control chip 44 can learn that the user pushes the position of touch-control display panel according to the touch-control signal.In addition, pliability wiring board 42 can interconnect by conductting layer 423 circuit boards (figure does not show) direct and electronic installation, make between touch-control chip 44 and the circuit board transmitting signals mutually, push the position of touch-control display panel to circuit board and directly transmit the user, perhaps as shown in figure 11, by conductting layer 423 external flexible circuit boards 47, make touch-control chip 44 interconnect, but touch-control chip 44 transmitting signals like this are to the control chip of the circuit board of electronic installation via the circuit board of flexible circuit board 47 with electronic installation.One end of flexible circuit board 47 has a conductting layer 471, one transmission assemblies 48 and is arranged between the conductting layer 471 of the conductting layer 423 of pliability wiring board 42 and flexible circuit board 47.So, flexible circuit board 47 promptly is electrically connected at pliability wiring board 42.One embodiment of above-mentioned transmission assembly 48 is an anisotropic conductive.
The present invention is arranged at shared basic unit 11 by covering brilliant thin-film module 40, make that covering brilliant thin-film module 40 can electrically connect mutually with the signal line of the 3rd conductive layer 16 of shared basic unit 11, and electrically connect with the signal line of the 4th conductive layer 17 of touch-control basic unit 12 via second transmission assembly 46.So when the user presses this touch-control display panel, the touch-control signal that signal line produced of the signal line of the 3rd conductive layer 16 of shared basic unit 11 and the 4th conductive layer 17 of touch-control basic unit 12, promptly can be passed to touch-control chip 44, so touch-control chip 44 can learn that the user presses the position of this touch-control display panel, and position of touch is passed to the control chip of the circuit board of electronic installation, carry out follow-up respective action for the control chip of electronic installation according to this position of touch.This embodiment integrates touch-control chip 44 in touch-control display panel, be to allow the circuit board of electronic installation not need to be connected, and only need several signal line and cover brilliant thin-film module 40 and be connected the position of touch that to learn the user with the 3rd conductive layer 16 of touch-control display panel and the signal line of the 4th conductive layer 17.In addition, cover brilliant thin-film module 40 and also can be arranged at touch-control basic unit 12, and electrically connect, limit and cover brilliant thin-film module 40 and must be arranged at and share basic unit 11 with the 3rd conductive layer 16 and the 4th conductive layer 17.
Consult Figure 10 again, flexible circuit board 47 of the present invention can have a plurality of I/O port 473 and a plurality of conductting layers 471, those I/O ports 473 are corresponding with those conductting layers 471, and the position at those input/output end port 473 places is inequality, and pliability wiring board 42 correspondences have a plurality of conductting layers 423, promptly see through those conductting layers 423 to electrically connect with those I/O ports 473, those conductting layers 423 are to electrically connect with at least one I/O port of touch-control chip 44 (figure does not show), so can be positioned at diverse location, and make flexible circuit board 47 be convenient to connect the circuit board of electronic installation inside in response to the set input/output end port of the various circuit boards of electronic installation.
Seeing also Figure 12 and Figure 13, is the top view and the cut-open view of the 8th preferred embodiment of touch-control display panel of the present invention.As shown in the figure, this embodiment is different from the length that length that Figure 11 embodiment part is the shared basic unit 11 of this embodiment is same as touch-control basic unit 12, and one cover brilliant thin-film module 50 and be located between the end of an end of sharing basic unit 11 and touch-control basic unit 12, and be electrically connected at the 3rd conductive layer 16 of sharing basic unit 11 and the 4th conductive layer 17 of touch-control basic unit 12 respectively.The two sides of the pliability wiring board 52 that covers brilliant thin-film module 50 of this embodiment electrically connect the 3rd conductive layer 16 and the 4th conductive layer 17 respectively, and have a plurality of vias (VIA) 521, a touch-control chip 54 that so is arranged at pliability wiring board 52 can receive the touch-control signal of the signal line of the 3rd conductive layer 16 and the 4th conductive layer 17, and touch-control chip 54 can learn that the user presses the position of this touch-control display panel according to the touch-control signal.
Accept above-mentionedly, pliability wiring board 52 has three conductting layers 523,525,527, and conductting layer 523,525 is arranged at the both sides of an end of pliability wiring board 52 respectively, and conductting layer 527 then is arranged at the other end of pliability wiring board 52.One first transmission assembly 56 is arranged between the conductting layer 523 of the 3rd conductive layer 16 of sharing basic unit 11 and pliability wiring board 52, promptly is arranged at shared basic unit 11 and covers between the brilliant thin-film module 50.57 of one second transmission assemblies are arranged between the conductting layer 525 of the 4th conductive layer 17 of touch-control basic unit 12 and pliability wiring board 52, promptly are arranged at touch-control basic unit 12 and cover between the brilliant thin-film module 50.527 external flexible circuit boards 58 of the conductting layer of pliability wiring board 52.Be provided with a transmission assembly 59 between one conductting layer 581 of the conductting layer 527 of pliability wiring board 525 and external flexible circuit board 58.Flexible circuit board 58 is same as previous embodiment to have a plurality of I/O port 583 and electrically connects with at least one I/O port of the touch-control chip 54 that covers brilliant thin-film module 50.An above-mentioned transmission assembly 56,57 and an embodiment of 59 are anisotropic conductive.
Seeing also Figure 14 and Figure 15, is the top view and the cut-open view of the 9th preferred embodiment of touch-control display panel of the present invention.As shown in the figure, the touch-control circuit of this embodiment comprises a flexible circuit board 60 and and covers brilliant thin-film module 70, flexible circuit board 60 is arranged between the 4th conductive layer 17 of the 3rd conductive layer 16 of sharing basic unit 11 and touch-control basic unit 12, and electrically connects the 3rd conductive layer 16 and the 4th conductive layer 17.Flexible circuit board 60 has more a plurality of vias 601, makes the two sides of flexible circuit board 60 to be electrically connected and transmitting signals.Flexible circuit board 60 has three conductting layers 603,605,607, and conductting layer 603 and 605 is arranged at the two sides of an end of flexible circuit board 60, and conductting layer 607 then is arranged at the other end of flexible circuit board 60.One first transmission assembly 62 is arranged between the conductting layer 603 of the 3rd conductive layer 16 and flexible circuit board 60, makes flexible circuit board 60 be electrically connected at the 3rd conductive layer 16.One second transmission assembly 64 is arranged between the conductting layer 605 of the 4th conductive layer 17 and flexible circuit board 60, makes flexible circuit board 60 be electrically connected at the 4th conductive layer 17.One embodiment of first transmission assembly 62 and second transmission assembly 64 is an anisotropic conductive.
Cover brilliant thin-film module 70 and be arranged at flexible circuit board 60, and have a pliability wiring board 72 and a touch-control chip 74.Pliability wiring board 72 is electrically connected at flexible circuit board 60, and touch-control chip 74 is arranged at pliability wiring board 72.The pliability wiring board 72 that covers brilliant thin-film module 70 has two conductting layers 721,723, conductting layer 721,723 are located at the two ends of the pliability wiring board 72 that covers brilliant thin-film module 70, be provided with a transmission assembly 76 between the conductting layer 607 of conductting layer 721 and flexible circuit board 60, make the pliability wiring board 72 that covers brilliant thin-film module 70 be electrically connected at flexible circuit board 60, the touch-control chip 74 that so covers brilliant thin-film module 70 promptly is electrically connected with flexible circuit board 60, so touch-control chip 74 can be electrically connected by flexible circuit board 60 and the 3rd conductive layer 16 of shared basic unit 11 and the 4th conductive layer 17 of touch-control basic unit 12, and receives the touch-control signal.One embodiment of transmission assembly 76 is an anisotropic conductive.
In addition, cover pliability wiring board 72 more external flexible circuit boards 80 of brilliant thin-film module 70, flexible circuit board 80 has a conductting layer 801, be provided with a transmission assembly 82 between the conductting layer 723 of conductting layer 801 and pliability wiring board 72, the feasible pliability wiring board 72 external flexible circuit boards 80 that cover brilliant thin-film module 70.One embodiment of transmission assembly 82 is an anisotropic conductive.Flexible circuit board 80 is same as previous embodiment to have at least one I/O port 803 and electrically connects with at least one I/O port of the touch-control chip 74 that covers brilliant thin-film module 70.In addition, flexible circuit board 60 also can electrically connect by at least one I/O port and with at least one I/O port of the touch-control chip 74 that covers brilliant thin-film module 70, promptly electrically connect, so can not need external flexible circuit board 80 by the conductting layer 607 of flexible circuit board 60 and at least one I/O port of touch-control chip 74.
In sum, touch-control display panel of the present invention includes and shows basic unit, shares basic unit and touch-control basic unit, show that basic unit has first conductive layer, shared basic unit has second conductive layer and the 3rd conductive layer, touch-control basic unit has the 4th conductive layer, corresponding second conductive layer of first conductive layer, corresponding the 4th conductive layer of the 3rd conductive layer.Because touch-control display panel of the present invention only needs three basic units, so can reduce production costs and the integral thickness of touch-control display panel.In addition, the live width of the signal line of the 3rd conductive layer and the 4th conductive layer can reduce, and improves the precision of the signal line of the 3rd conductive layer and the 4th conductive layer, and then improves the touch-control precision of touch-control display panel.
In sum, it only is a preferred embodiment of the present invention, be not to be used for limiting scope of the invention process, all equalizations of doing according to the described shape of claim scope of the present invention, structure, feature and spirit change and modify, and all should be included in the claim scope of the present invention.
Claims (32)
1. touch-control display panel is characterized in that it includes:
One shows basic unit, has one first conductive layer;
One shares basic unit, shows basic unit corresponding to this, and the two sides of this shared basic unit have one second conductive layer and one the 3rd conductive layer respectively, and this second conductive layer is corresponding to this first conductive layer; And
One touch-control basic unit corresponding to this shared basic unit, have one the 4th conductive layer, and the 4th conductive layer is corresponding to the 3rd conductive layer.
2. touch-control display panel as claimed in claim 1 is characterized in that, wherein the 3rd conductive layer or the 4th conductive layer are provided with a metal level.
3. touch-control display panel as claimed in claim 1 is characterized in that, more comprises a touch-control circuit, and it electrically connects the 3rd conductive layer and the 4th conductive layer.
4. touch-control display panel as claimed in claim 1 is characterized in that, more comprises:
One touch-control chip is arranged at this shared basic unit, and electrically connects the 3rd conductive layer and the 4th conductive layer, the length that is shorter in length than this shared basic unit of this touch-control basic unit; And
One flexible circuit board electrically connects this touch-control chip.
5. touch-control display panel as claimed in claim 4 is characterized in that, more comprises a transmission assembly, and it is arranged between the 3rd conductive layer and the 4th conductive layer.
6. touch-control display panel as claimed in claim 4 is characterized in that, wherein this flexible circuit board has at least one I/O port and electrically connects with at least one I/O port of this touch-control chip.
7. touch-control display panel as claimed in claim 1 is characterized in that, more comprises:
One touch-control chip is located at this shared basic unit, and electrically connects the 3rd conductive layer and the 4th conductive layer, and this touch-control basic unit has a perforation, and this touch-control chip is through at this perforation and is arranged at this shared basic unit; And
One flexible circuit board is electrically connected at this touch-control chip.
8. touch-control display panel as claimed in claim 7 is characterized in that, more comprises:
One first transmission assembly is arranged between the 3rd conductive layer and this flexible circuit board; And
One second transmission assembly is arranged between the 4th conductive layer and this flexible circuit board.
9. touch-control display panel as claimed in claim 8 is characterized in that wherein this flexible circuit board has a plurality of vias.
10. touch-control display panel as claimed in claim 7 is characterized in that, wherein this flexible circuit board has at least one I/O port and electrically connects with at least one I/O port of this touch-control chip.
11. touch-control display panel as claimed in claim 1 is characterized in that, more comprises one and covers brilliant thin-film module, it electrically connects the 3rd conductive layer and the 4th conductive layer.
12. touch-control display panel as claimed in claim 11 is characterized in that, wherein this covers brilliant thin-film module and is arranged at this shared basic unit, the length that is shorter in length than this shared basic unit of this touch-control basic unit.
13. touch-control display panel as claimed in claim 12 is characterized in that, more comprises:
One first transmission assembly is arranged at this shared basic unit and this covers between the brilliant thin-film module; And
One second transmission assembly is arranged between this shared basic unit and this touch-control basic unit.
14. touch-control display panel as claimed in claim 11 is characterized in that, wherein this covers brilliant thin-film module and is arranged at this shared basic unit and this touch-control basic unit.
15. touch-control display panel as claimed in claim 14 is characterized in that, more comprises:
One first transmission assembly is arranged at this shared basic unit and this covers between the brilliant thin-film module; And
One second transmission assembly is arranged at this touch-control basic unit and this covers between the brilliant thin-film module.
16. touch-control display panel as claimed in claim 11 is characterized in that, wherein this covers brilliant thin-film module and comprises:
One pliability wiring board is electrically connected at the 3rd conductive layer and the 4th conductive layer; And
One touch-control chip is arranged at this pliability wiring board.
17. touch-control display panel as claimed in claim 16 is characterized in that, wherein the external flexible circuit board of this pliability wiring board.
18. touch-control display panel as claimed in claim 17 is characterized in that, wherein this flexible circuit board has at least one I/O port and electrically connects with at least one I/O port of this touch-control chip.
19. touch-control display panel as claimed in claim 1 is characterized in that, more comprises:
One flexible circuit board is arranged between the 3rd conductive layer and the 4th conductive layer, and is electrically connected at the 3rd conductive layer and the 4th conductive layer respectively; And
One covers brilliant thin-film module, is connected in this flexible circuit board.
20. touch-control display panel as claimed in claim 19 is characterized in that, more comprises:
One first transmission assembly is arranged between the 3rd conductive layer and this flexible circuit board; And
One second transmission assembly is arranged between the 4th conductive layer and this flexible circuit board.
21. touch-control display panel as claimed in claim 19 is characterized in that, wherein this covers brilliant thin-film module and more comprises:
One pliability wiring board is electrically connected at this flexible circuit board; And
One touch-control chip is arranged at this pliability wiring board.
22. touch-control display panel as claimed in claim 21 is characterized in that, wherein external another flexible circuit board of this pliability wiring board.
23. touch-control display panel as claimed in claim 22 is characterized in that, wherein this this external flexible circuit board has at least one I/O port and electrically connects with at least one I/O port of this touch-control chip.
24. touch-control display panel as claimed in claim 21, it is characterized in that wherein this flexible circuit board of electrically connecting of this pliability wiring board, the 3rd conductive layer and the 4th conductive layer has at least one I/O port and electrically connects with at least one I/O port of this touch-control chip.
25. touch-control display panel as claimed in claim 1 is characterized in that, more comprises a display control chip, it electrically connects this first conductive layer and this second conductive layer.
26. touch-control display panel as claimed in claim 25 is characterized in that, more comprises a flexible circuit board, it electrically connects this display control chip.
27. touch-control display panel as claimed in claim 1 is characterized in that, more comprises a glue frame, it is arranged between this first conductive layer and this second conductive layer.
28. touch-control display panel as claimed in claim 1 is characterized in that, more comprises a colored filter, it is arranged between this demonstration basic unit and this first conductive layer.
29. touch-control display panel as claimed in claim 1 is characterized in that, more comprises a metal level, it is arranged between this demonstration basic unit and this first conductive layer.
30. touch-control display panel as claimed in claim 1 is characterized in that, more comprises a glue frame, it is arranged between the 3rd conductive layer and the 4th conductive layer.
31. touch-control display panel as claimed in claim 1 is characterized in that, wherein this touch-control basic unit is a diaphragm.
32. touch-control display panel as claimed in claim 1 is characterized in that, wherein this demonstration basic unit is a glass substrate with sharing basic unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102489353A CN101893965A (en) | 2010-08-06 | 2010-08-06 | Touch display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102489353A CN101893965A (en) | 2010-08-06 | 2010-08-06 | Touch display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101893965A true CN101893965A (en) | 2010-11-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102489353A Pending CN101893965A (en) | 2010-08-06 | 2010-08-06 | Touch display panel |
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| Country | Link |
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| CN (1) | CN101893965A (en) |
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| CN102645772A (en) * | 2011-12-30 | 2012-08-22 | 友达光电股份有限公司 | Touch control display panel |
| CN103034355A (en) * | 2011-10-07 | 2013-04-10 | 杰圣科技股份有限公司 | Touch sensing structure and manufacturing method thereof |
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| US20060102460A1 (en) * | 2004-11-12 | 2006-05-18 | Eastman Kodak Company | Touch screen having undercut spacer dots |
| CN201021960Y (en) * | 2007-03-27 | 2008-02-13 | 宸鸿光电科技股份有限公司 | Display panel with touch control circuit |
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Application publication date: 20101124 |