CN203117617U - Touch control and display integration driver chip and displaying device of liquid crystal display panel - Google Patents
Touch control and display integration driver chip and displaying device of liquid crystal display panel Download PDFInfo
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- CN203117617U CN203117617U CN 201320040600 CN201320040600U CN203117617U CN 203117617 U CN203117617 U CN 203117617U CN 201320040600 CN201320040600 CN 201320040600 CN 201320040600 U CN201320040600 U CN 201320040600U CN 203117617 U CN203117617 U CN 203117617U
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Abstract
The utility model discloses a touch control and display integration driver chip and a displaying device of a liquid crystal display panel. The touch control and display integration driver chip and the displaying device of the liquid crystal display panel comprise a first scanning pin set, a second scanning pin set and a first data pin set, wherein the first scanning pin set is provided with a plurality of first scanning pins which are used for outputting liquid crystal display panel driving signals and / or sensing touch control signals on the liquid crystal display panel respectively, the second scanning pin set is provided with a plurality of second scanning pins which are used for outputting the liquid crystal display panel driving signals and / or sensing the touch control signals on the liquid crystal display panel respectively, the scanning timing sequence of the second scanning pin set is the same as that of the first scanning pin set, the first data pin set is provided with a plurality of data pins, and the data pins, the first scanning pin set and the second scanning pin set are all connected to the liquid crystal display panel in a coupled mode to drive the liquid crystal display panel.
Description
Technical field
The utility model is about a kind of touch-control, shows that integrating the touch-control, the demonstration integration that drive chip, particularly a kind of liquid crystal panel drives chip.
Background technology
In the market of various consumption electronic products now, personal digital assistant (personal digital assistant, PDA), notebook computer (notebook) and even etc. portable electronic product PC, digital appliance system use contact panel (touch panel) to link up interface tool as the data between user and electronic installation gradually.When using contact panel, the user can directly operate by the object that shows on the screen and assign instruction, therefore can provide the user more humane operation interface.In addition, the design of electronic product all with light, thin, short, little be direction, the display device of the contact panel of therefore arranging in pairs or groups becomes the vital part of various electronic product gradually.
Existing touch control display apparatus is according to its structure, can be divided into adding formula touch control display apparatus and embedded touch display device.Add the formula touch control display apparatus except a display panel, independently contact panel is on the display surface of display panel also need to add one again, so the user can come its position of touch of sensing by contact panel when observing the image that display panel presents.The embedded touch display device then is that touch controllable function is integrated in display panel inside, makes same panel have input and the function of exporting simultaneously, can reduce the touch control display apparatus integral thickness, is a big main flow of present touch-control display panel.
Yet, existing touch-control display panel, because each of top panel first display pattern all need be coupled to a sweep trace (common line), therefore often because the first display pattern position diverse location of plate in the above, and cause the sweep trace configuration of plate in the above very complicated, make sweep trace can't join an enough quantity, so will cause top panel that too many position of touch can't be provided, cause the not high problem of touch-control resolution.
See also Fig. 1, Fig. 1 is traditional liquid crystal panel structure synoptic diagram.Traditional liquid crystal panel 1 ' has from top to bottom comprised one first substrate 11 ', a liquid crystal layer 12 ', one second substrate 13 ' and a touch-control in regular turn, has shown and integrate driving chip 14 ', wherein first substrate has comprised in regular turn that from top to bottom first surface 110 ' and second surface 111 ', the second substrate have from top to bottom comprised the 3rd surface 130 ' and the 4th surface 131 ' in regular turn.Wherein second surface 111 ' is gone up cloth and is had a plurality of sweep traces (common line) 141 ', on the 3rd surface then cloth have a plurality of data lines (segment line) 142 ', and described sweep trace 141 ' and data line 142 ' all are coupled to touch-control, show to integrate and drive chip 14 '.Can be learnt by Fig. 1, on the second surface 111 ' each first display pattern all need be coupled to a sweep trace 142 ', and each bar sweep trace 141 ' can not intersect each other, but the pin of sweep trace all is arranged at touch-control, shows and integrate the same side that drives chip 14 ', therefore cause the configuration of sweep trace 141 ' on second surface very difficult, limited the configuration quantity of second surface 111 ' upper tracer 141 '.
The utility model content
In view of this, the utility model proposes a kind of driving chip of liquid crystal panel, by changing the configuration mode of above-mentioned sweep trace pin in driving chip, to solve aforementioned top panel sweep trace configuration difficulty or complicated situation.
The utility model proposes a kind of driving chip of liquid crystal panel, comprise the first scanning pin group, the second scanning pin group, the first data pin group.The described first scanning pin group has a plurality of first scanning pins, respectively in order to the driving signal of exporting liquid crystal panel and/or the touching signals on the sensing liquid crystal panel; The described second scanning pin group has a plurality of second scanning pins, respectively in order to the driving signal of exporting liquid crystal panel and/or the touching signals on the sensing liquid crystal panel, and the described second scanning pin and first to scan the scanning sequence of pin identical; The described first data pin group has a plurality of data pins.Described data pin, the first scanning pin group and the second scanning pin group are coupled to liquid crystal panel respectively to drive liquid crystal panel; And the position of the first scanning pin group and the second scanning pin group is non-conterminous, and at least part of data pin is disposed between the first scanning pin group and the second scanning pin group.
According to this novel embodiment, the touch-control of liquid crystal panel, demonstration are integrated and are driven chip, also comprise the 3rd scanning pin group, have a plurality of the 3rd scanning pins in order to the driving signal of exporting liquid crystal panel and the touching signals on this liquid crystal panel of sensing, and the 3rd scanning pin group and first to scan the scanning sequence of pin group identical.
According to this novel embodiment, the first scanning pin and data pin are crisscross arranged.
According to this novel embodiment, the first data pin group is arranged between the first scanning pin group and the second scanning pin group.
According to this novel embodiment, the first scanning pin group is arranged on touch-control, shows and integrate first side that drives chip, and the second scanning pin group is arranged on touch-control, shows and integrate second side that drives chip.
According to this novel embodiment, the touch-control of described liquid crystal panel, demonstration are integrated and are driven chip, also comprise the 3rd scanning pin group, the first scanning pin group and the second scanning pin group are arranged on touch-control, show and integrate first side that drives chip that the 3rd scanning pin group is arranged on touch-control, shows and integrate second side that drives chip.
According to this novel embodiment, first scanning pin correspondence respectively is short-circuited to the second scanning pin to produce corresponding scanning sequence.
According to this novel embodiment, the touch-control of described liquid crystal panel, demonstration are integrated and are driven chip, also comprise first driver element and second driver element.First driver element is coupled to the first pin group; Second driver element is coupled to the second pin group, and first driver element is identical with the scanning sequence of second driver element.
According to this novel embodiment, the touch-control of described liquid crystal panel, demonstration are integrated and are driven chip, also comprise switch unit, display driver unit and touch-control sensing unit.Switch unit is coupled to the first scanning pin group and the second scanning pin group; The display driver unit is coupled to the first scanning pin group and the second scanning pin group via switch unit; Touch-control sensing unit is coupled to the first scanning pin group and the second scanning pin group via switch unit.
According to this novel embodiment, disclose a display device, comprise that liquid crystal panel, touch-control, demonstration integration drive chip.Described liquid crystal panel has viewing area and touch area.Described touch-control, demonstration are integrated and are driven chip, are coupled to described liquid crystal panel, and touch-control, demonstration are integrated the driving chip and also comprised the first scanning pin group, second scanning pin group and the first data pin group.The described first scanning pin group has a plurality of first scanning pins, and the first scanning pin is respectively in order to the driving signal of exporting liquid crystal panel and/or the touching signals on the sensing liquid crystal panel; The second scanning pin group has a plurality of second scanning pins, and the second scanning pin is with the driving signal of output liquid crystal panel and with the touching signals on this liquid crystal panel of sensing, and the first scanning pin group should be identical with the scanning sequence of the second scanning pin group; The first data pin group, have a plurality of data pins, data pin, the first scanning pin group and the second scanning pin group are coupled to liquid crystal panel respectively to drive liquid crystal panel, wherein the position of the first scanning pin group and the second scanning pin group is non-conterminous, and at least part of data pin is disposed between the first scanning pin group and the second scanning pin group; And the viewing area is different with the corresponding scanning pin in touch area.
The touch-control of the liquid crystal panel of this disclosure, demonstration are integrated and are driven chip, by changing existing touch-control, showing the configuration mode of integrating the scanning pin that drives chip, and then make the scanning pin can be configured in touch-control, show and integrate the diverse location that drives in the chip, therefore provide than the more flexible configuration mode of prior art.Also namely, the configuration mode of the second surface upper tracer of this disclosure is more simple and easy compared with prior art, and then can reduce the complexity of the sweep trace configuration of second surface, and reduces the manufacturing cost of touch-control display panel.In addition, owing to the touch-control of the liquid crystal panel of this disclosure, show to integrate and drive the scanning pin that chip has more groups, therefore can make each display pattern all independently be coupled to the one scan line, avoid when touch-control, taking place the situation that sense is mutually disturbed.
Description of drawings
Fig. 1 is traditional liquid crystal panel structure synoptic diagram.
Fig. 2 be traditional liquid crystal panel touch-control, show to integrate and drive the chip structure synoptic diagram.
Fig. 3 is according to the touch-control of the liquid crystal panel of this new embodiment, shows and integrate the structural representation that drives chip.
Fig. 4 is according to the touch-control of the liquid crystal panel of this novel another embodiment, shows and integrate the structural representation that drives chip.
Fig. 5 is according to the touch-control of the liquid crystal panel of this novel another embodiment, shows and integrate the structural representation that drives chip.
Fig. 6 is according to the touch-control of the liquid crystal panel of this novel another embodiment, shows and integrate the structural representation that drives chip.
Fig. 7 is according to the touch-control of the liquid crystal panel of this novel another embodiment, shows and integrate the structural representation that drives chip.
Fig. 8 is according to the touch-control of the liquid crystal panel of this novel another embodiment, shows and integrate the structural representation that drives chip.
Fig. 9 is according to the touch-control of the liquid crystal panel of this novel another embodiment, shows and integrate the structural representation that drives chip.
Figure 10 is the structural representation according to the display device of this novel embodiment.
Wherein, description of reference numerals is as follows:
1 ': liquid crystal panel
11 ': the first substrate
12 ': liquid crystal layer
13 ': the second substrate
14,14 ': touch-control, demonstration are integrated and are driven chip
110 ': first surface
111,111 ': second surface
130,130 ': the 3rd surface
The 131 ': the 4th surface
141,141 ': sweep trace
142,142 ': data line
143: the first driver elements
144: the second driver elements
145: switch unit
146: the display driver unit
147: touch-control sensing unit
112,113: the first display patterns
132,133: the second display patterns
1110: the first area
1111: second area
1112: the viewing area
1113: the touch area
Y1～Y4: the first scanning pin
Y5～Y8: the second ground connection pin
Y9～Y12: the 3rd scanning pin
S1 ~ S7: the first data pin
Embodiment
To describe various exemplary embodiments more fully referring to alterations hereinafter, in alterations, show some exemplary embodiments.Yet this novel concept may be with many multi-form embodiments, and should not be construed as and be limited to the exemplary embodiments of setting forth herein.Definite, provide these exemplary embodiments make this novel will be for detailed and complete, and will fully pass on the category of this novel concept to those who familiarize themselves with the technology.All graphic in, can be for clear and size and relative size that lavish praise on oneself floor and distinguish.Similar numeral is indicated like all the time.
Though should be understood that and may use the term first, second, third, etc. to describe various elements herein, these elements are not limited by these terms should.These terms are in order to distinguish an element and another element.Therefore, first element of hereinafter discussing can be described as second element and does not depart from the teaching of this novel concept.As used herein, term " and/or " comprise be associated list in the project any one and one or all combinations of many persons.
" embodiment that drives chip is integrated in the touch-control of liquid crystal panel, demonstration "
See also Fig. 3, Fig. 3 is according to the touch-control of the liquid crystal panel of this new embodiment, shows and integrate the structural representation that drives chip.As shown in Figure 3, the touch-control of the liquid crystal panel of present embodiment, demonstration are integrated and are driven chip 14 configuration mode of the scanning pin of existing touch-control display panel for a change.In the present embodiment, second surface 111 comprises first area 1110 and second area 1111, and the second surface 111 that also is about to first substrate 11 is divided into first area 1110 and second area 1111, in this this disclosure dividing mode of restricted area not.In the present embodiment, touch-control, show to integrate drive chip 14 and have a plurality of first scanning pin Y1 ~ Y4 in order to the touching signals of second surface 111 on the sensing liquid crystal panel and a plurality of second scanning pin Y5 ~ Y8 touching signals in order to second surface 111 on the sensing liquid crystal panel, and this two group of pins respectively the position in both sides of data pin S1 ~ S7.For convenience of explanation with understand this disclosure, it is an example that present embodiment is only respectively lifted four scanning pins, but it is not in order to limit the spirit of this disclosure.
Wherein said first scanning pin Y1 ~ Y4 is identical with the scanning sequence of second scanning pin Y5 ~ Y8.Furthermore, illustrate as Fig. 3, the scanning sequence of Y1 and Y5 is identical, the scanning sequence of Y2 and Y6 is identical, the scanning sequence of Y3 and Y7 is identical, and Y4 is identical with the scanning sequence of Y8.In other words, in the present embodiment, when need are coupled to second surface 111 with the scanning pin, can look first display pattern and optionally use first scanning pin Y1 ~ Y4 or second to scan pin Y5 ~ Y8 in the position at second surface place, also namely look first display pattern and can select to use the first scanning pin Y1 or the second scanning pin Y5, the first scanning pin Y2 or the second scanning pin Y6, first to scan pin Y3 or the second scanning pin Y7, the first scanning pin Y4 or the second scanning pin Y8 to reduce the complexity that connects up in the position at second surface place.
First scanning pin Y1～Y4 is coupled to sweep trace 141, the second scanning pin Y5～Y8 on the nearer first area 1110 of distance first scanning pin Y1～Y4 and then is coupled to sweep trace 141 on the nearer second area 1111 of distance second scanning pin Y5～Y8.Specifically, be coupled among the distance first scanning pin nearer first area 1110, scanning pin Y2 and the Y6 to be coupled among the distance first scanning pin nearer first area 1110, scanning pin Y3 and the Y7 to be coupled among the distance second scanning pin nearer second area 1111, scanning pin Y4 and the Y8 by the second scanning pin Y7 by the first scanning pin Y2 by the first scanning pin Y1 among scanning pin Y1 and the Y5 and be coupled to the nearer second area 1111 of the distance second scanning pin by the second scanning pin Y8.Hold above-mentioned, scanning pin configuration mode according to present embodiment, can be coupled to the sweep trace 141 of first area 1110 by distance first area 1,110 first nearer scanning pin Y1～Y4, be coupled to the sweep trace 141 of second area 1111 by distance second area 1,111 second nearer scanning pin Y5～Y8.
According to above-mentioned configuration mode, when first display pattern 112 is positioned at first area 1110, can be coupled to first display pattern 112 of first area 1110 by first scanning pin Y1 ~ Y4.Relatively, when first display pattern 112 is positioned at second area 1111, if be coupled to first display pattern 112 of second area 1111 by first scanning pin Y1 ~ Y4, then the configuration of sweep trace 141 must be crossed over first area 1110 and second area 1111, this kind configuration mode has increased the complexity of wiring, has also improved touch-control, the demonstration of liquid crystal panel and has integrated the production cost that drives chip 14.In the present embodiment, when first display pattern 112 is positioned at second area 1111, the deviser can be coupled to first display pattern 112 of second area 1111 by second scanning pin Y5 ~ Y8 (can be considered standby pin or the redundant pin of the first scanning pin), whereby so that the configuration of sweep trace 141 can not be across to first area 1110, and then can reduce the wiring complexity on the second surface 111 and reduce the touch-control of liquid crystal panel, the manufacturing cost that driving chip 14 is integrated in demonstration.
Next will illustrate, be that the operation principles that drives chip 14 is integrated in touch-control, the demonstration about the liquid crystal panel of present embodiment.
Second surface 111 has a plurality of first display patterns 112, described first display pattern can be the pattern (or representing the pattern that difference in functionality signifies) of different aspects, it is noted that each pattern of first display pattern 112 all need be coupled to one scan line 141.Also have a plurality of second display patterns 132 on the 3rd surface 130, described a plurality of second display pattern 132 can be the pattern (or representing the pattern that difference in functionality signifies) of different aspects, and each pattern of described a plurality of second display patterns 132 all needs corresponding to the first above-mentioned display pattern 112 one to one.In other words, first display pattern 112 and second display pattern 132 one to one correspondence be of similar shape, size and correspondence position, this disclosure for convenience of description wherein, present embodiment is the example explanation with first display pattern 112 of a heart type, second display pattern 132 corresponding with it.As shown in Figure 3, when the user touched first display pattern 112 of heart type, liquid crystal panel can utilize sweep trace 141 on the second surface 111 and the variation of the potential difference (PD) between the data line 142 on the 3rd surface 130, learns position of touch according to this.In simple terms, when finger touches first display pattern 112, then the potential difference (PD) between second surface 111 and the 3rd surface 130 changes, and can learn the position of touch of user's finger.
For the touch-control that illustrates in greater detail liquid crystal panel described in the utility model, show to integrate and drive chip 14, below will be for further illustrating one of at least among a plurality of embodiment.
In ensuing a plurality of embodiment, description is different from the part of above-mentioned Fig. 3 embodiment, and all the other clippeds are identical with the part of above-mentioned Fig. 3 embodiment.In addition, for the purpose of facility is described, similar reference number or the similar element of label indication.
(another embodiment that drives chip is integrated in the touch-control of liquid crystal panel, demonstration)
Below be another embodiment of the present utility model, please consult Fig. 2 and Fig. 4 simultaneously with the disclosed content of clear more understanding present embodiment, Fig. 2 be traditional liquid crystal panel touch-control, show to integrate and drive the chip structure synoptic diagram that Fig. 4 be according to the touch-control of the liquid crystal panel of this novel another embodiment, shows the structural representation of integrating the driving chip.The basic operation principles of present embodiment and above-mentioned Fig. 3 embodiment are similar, seldom give unnecessary details at this, next only explain with regard to present embodiment and not existing together of above-mentioned Fig. 3 embodiment.
Please consult Fig. 2 earlier, as shown in Figure 2, second surface 111 has on first display pattern 112 and 113, the three surfaces 130 and has second display pattern 132 and 133, and two display patterns 132 are corresponding to above-mentioned first display pattern 112 and 113 one to one with 133.The touch-control of traditional liquid crystal panel, demonstration are integrated and are driven chip because the negligible amounts of scanning pin Y1 ~ Y4, a common sweep trace 141 is coupled to not only first display pattern, scans pin Y2 in the present embodiment and is coupled to first display pattern 112 and 113.First display pattern 112 and 113 all is coupled to identical scanning pin Y2, and therefore when first display pattern 112 and 113 had touch-control to take place, the situation of interference took place in regular meeting each other, and reduced the precision of touch-control.Please continue to consult Fig. 4, as shown in Figure 4, the touch-control of the liquid crystal panel of present embodiment, demonstration are integrated driving chip 14 and are had first scanning pin group Y1 ~ Y4 and second scanning pin group Y5 ~ Y8, and first scanning pin group Y1 ~ Y4 and second scanning pin group Y5 ~ Y8 have identical scanning sequence, and the structure that it is detailed and operation principles are as described in the embodiment of Fig. 3.The touch-control of the liquid crystal panel of present embodiment, demonstration are integrated driving chip 14 and are had first scanning pin group Y1 ~ Y4 and second scanning pin group Y5 ~ Y8, therefore, first display pattern 113 can be coupled to the first scanning pin Y2, and first display pattern 112 then is coupled to the second scanning pin Y6 (the standby pin of the first scanning pin Y2); Because the first scanning pin Y2 and the second scanning pin Y6 have identical scanning sequence, so can export identical driving signal, but in the present embodiment because first display pattern 112 is coupled to different sweep trace 141 with 113, therefore when first display pattern 112 and 113 has touch-control to take place, the situation that can't disturb to each other, and increase the precision of touch-control.
(embodiment again who drives chip is integrated in the touch-control of liquid crystal panel, demonstration)
Below be another embodiment of the present utility model, see also Fig. 5 with the disclosed content of clear more understanding present embodiment, Fig. 5 is according to the touch-control of the liquid crystal panel of this novel another embodiment, shows and integrate the structural representation that drives chip.The basic operation principles of present embodiment and above-mentioned Fig. 3 embodiment are similar, seldom give unnecessary details at this, and next only not existing together with regard to the scanning pin configuration mode of present embodiment and above-mentioned Fig. 3 embodiment explains.
As shown in Figure 5, first scanning pin Y1 ~ Y4 and the first data pin S1 ~ S7 of the touch-control of the liquid crystal panel of present embodiment, demonstration integration driving chip 14 are crisscross arranged.Also namely, the touch-control of the liquid crystal panel of present embodiment, the pin that show to integrate drives chip 14 are the first data pin S1, the first scanning pin Y1, the first data pin S2, the first data pin S3, the first scanning pin Y2, the first data pin S4, the first scanning pin Y3, the first data pin S5, the first data pin S6, the first scanning pin Y4, the first data pin S7, the second scanning pin Y5, the second scanning pin Y6, the second scanning pin Y7, the second scanning pin Y8 in regular turn.So configuration mode can provide to have more flexible scanning pin position, thereby reduce the coiling complexity of sweep trace more, the touch-control precision that reduces manufacturing cost and improve liquid crystal panel.Scanning pin Y1 ~ Y8 configuration mode that present embodiment is lifted only is an example, but it is not in order to limit the spirit of this disclosure.
(another embodiment that drives chip is integrated in the touch-control of liquid crystal panel, demonstration)
Below be another embodiment of the present utility model, see also Fig. 6 with the disclosed content of clear more understanding present embodiment, Fig. 6 is according to the touch-control of the liquid crystal panel of this novel another embodiment, shows and integrate the structural representation that drives chip.The basic operation principles of present embodiment and above-mentioned Fig. 3 embodiment are similar, seldom give unnecessary details at this, and next only not existing together with regard to the scanning pin configuration mode of present embodiment and above-mentioned Fig. 3 embodiment explains.
As shown in Figure 6, in the present embodiment, the touch-control of liquid crystal panel, demonstration are integrated the first scanning pin group Y1 ~ Y4 that drives chip 14 and are arranged on touch-control, show that integration drives first side of chip 14, and second scanning pin group Y5 ~ Y8 is arranged on touch-control, shows and integrate second side that drives chip 14, in the present embodiment, it is touch-control that first side that drives chip 14 is integrated in touch-control, demonstration, show the left side of integrating driving chip 14, touch-control, demonstration are integrated first side that drives chip 14 and are touch-control, show the right side of integrating driving chip 14, but are not limited with present embodiment.So configuration mode can be coupled to nearer sweep trace 141, the second scanning pin Y5～Y8 of distance first scanning pin Y1～Y4 by first scanning pin Y1～Y4 and then be coupled to the nearer sweep trace 141 of distance second scanning pin Y5～Y8.Not only can reduce the complexity of distribution, more can increase the precision of liquid crystal panel touch-control.Scanning pin Y1 ~ Y8 configuration mode that present embodiment is lifted only is an example, but it is not in order to limit the spirit of this disclosure.
(another embodiment that drives chip is integrated in the touch-control of liquid crystal panel, demonstration)
Below be another embodiment of the present utility model, see also Fig. 7 with the disclosed content of clear more understanding present embodiment, Fig. 7 is according to the touch-control of the liquid crystal panel of this novel another embodiment, shows and integrate the structural representation that drives chip.The basic operation principles of present embodiment and above-mentioned Fig. 3 embodiment are similar, seldom give unnecessary details at this, and next only not existing together with regard to the scanning pin configuration mode of present embodiment and above-mentioned Fig. 3 embodiment explains.
As shown in Figure 7, in the present embodiment, the touch-control of liquid crystal panel, demonstration are integrated driving chip 14 and are also comprised the 3rd scanning pin group Y9 ~ Y12, have a plurality of the 3rd scanning pins and drive touching signals on signal and/or the sensing liquid crystal panel in order to export liquid crystal panel, and the 3rd scanning pin group Y9 ~ Y12 and first to scan the scanning sequence of pin group Y1 ~ Y4 identical.And, first scanning pin group Y1 ~ Y4 and second scanning pin group Y5 ~ Y8 are arranged on touch-control, show and integrate first side that drives chip 14, the 3rd scanning pin group Y9 ~ Y12 is arranged on touch-control, shows and integrate second side that drives chip 14, in the present embodiment, it is touch-control that first side that drives chip 14 is integrated in touch-control, demonstration, show the upside of integrating driving chip 14, touch-control, demonstration are integrated first side that drives chip 14 and are touch-control, show the downside of integrating driving chip 14, but are not limited with present embodiment.Configuration mode like this, more increased the 3rd scanning pin Y9 ~ Y12 of one group of tool same scan sequential, except providing more position of touch to improve the liquid crystal panel touch-control precision, more can reduce the complexity of distribution and significantly reduce the manufacturing cost of liquid crystal panel.Scanning pin Y1 ~ Y12 configuration mode that present embodiment is lifted only is an example, but it is not in order to limit the spirit of this disclosure.
(another embodiment that drives chip is integrated in the touch-control of liquid crystal panel, demonstration)
Below be this another novel embodiment, see also Fig. 8 with the disclosed content of clear more understanding present embodiment, Fig. 8 is according to the touch-control of the liquid crystal panel of this novel another embodiment, shows and integrate the structural representation that drives chip.The basic operation principles of present embodiment and above-mentioned Fig. 3 embodiment are similar, seldom give unnecessary details at this, and next only not existing together with regard to the scanning pin configuration mode of present embodiment and above-mentioned Fig. 3 embodiment explains.
As shown in Figure 8, in the present embodiment, the touch-control of liquid crystal panel, demonstration are integrated driving chip 14 and are also comprised first driver element 143 and second driver element 144.And first driver element 143 is coupled to first scanning pin group Y1 ~ Y4, and second driver element 144 is coupled to second scanning pin group Y5 ~ Y8.And first driver element 143 is identical with the scanning sequence of second driver element 144, so that first scanning pin Y1 ~ Y4 has identical scanning sequence with second scanning pin Y5 ~ Y8.First and second driver element that present embodiment is lifted only is an example, but it is not in order to limit the spirit of this disclosure.
(another embodiment that drives chip is integrated in the touch-control of liquid crystal panel, demonstration)
Below be this another novel embodiment, see also Fig. 9 with the disclosed content of clear more understanding present embodiment, Fig. 9 is according to the touch-control of the liquid crystal panel of this novel another embodiment, shows and integrate the structural representation that drives chip.The basic operation principles of present embodiment and above-mentioned Fig. 3 embodiment are similar, seldom give unnecessary details at this, and next only not existing together with regard to the scanning pin configuration mode of present embodiment and above-mentioned Fig. 3 embodiment explains.
As shown in Figure 9, in the present embodiment, first scanning pin Y1 ~ Y4 of the touch-control of liquid crystal panel, demonstration integration driving chip 14 correspondence respectively is short-circuited to second scanning pin Y5 ~ Y8 to produce corresponding scanning sequence.Furthermore, illustrate as Fig. 9, the Y1 short circuit is coupled to that Y5, Y2 short circuit are coupled to Y6, the Y3 short circuit is coupled to Y7, and the Y4 short circuit is coupled to Y8.Also be, be short-circuited to second scanning pin Y5 ~ Y8 by first scanning pin Y1 ~ Y4 correspondence, can make first scanning pin Y1 ~ Y4 have identical scanning sequence with second scanning pin Y5 ~ Y8, second scanning pin Y5 ~ Y8 is the standby pin (redundant pin) of first scanning pin Y1 ~ Y4.
Referring again to Fig. 9, described touch-control, demonstration are integrated driving chip 14 and are also comprised switch unit 145, display driver unit 146 and touch-control sensing unit 147.Switch unit 145 is coupled to first scanning pin group Y1 ~ Y4 and second scanning pin group Y5 ~ Y8; Display driver unit 146 is coupled to first scanning pin group Y1 ~ Y4 and second scanning pin group Y5 ~ Y8 via switch unit 145; Touch-control sensing unit 147 is coupled to first scanning pin group Y1 ~ Y4 and second scanning pin group Y5 ~ Y8 via switch unit 145.Furthermore, every through a switching cycle, switch unit 145 is about to touch-control, shows that integrating driving chip 14 switches to control mode touch mode or switch to display mode from control mode touch mode from display mode that wherein switching cycle (also being switching frequency) can further be set according to practical application request by the deviser.When touch-control, when showing that integrating driving chip 14 is in control mode touch mode, whether touch-control, demonstration are integrated the voltage that drives between chip 14 meeting detecting second surfaces 111 and the 3rd surface 130 and are changed, accordingly to learn the position whether touch-control and touch-control generation take place.
The scanning pin short circuit coupling mode that present embodiment is lifted and the setting of switch unit only are an example, but it is not in order to limit the spirit of this disclosure.
(embodiment of display device)
Below be this another novel embodiment, see also Figure 10 with the disclosed content of clear more understanding present embodiment, Figure 10 is the structural representation according to the display device of this novel embodiment.
As shown in figure 10, in the present embodiment, display device comprises that liquid crystal panel 111,130, touch-control, demonstration integration drive chip 14.Described liquid crystal panel 111,130 has viewing area 1110 and touch area 1113.Described touch-control, demonstration are integrated and are driven chip 14, are coupled to described liquid crystal panel 111,130, and touch-control, demonstration are integrated driving chip 14 and also comprised first scanning pin group Y1 ~ Y4, second scanning pin group Y5 ~ Y8 and the first data pin group S1 ~ S7.Described first scanning pin group Y1 ~ Y4 has a plurality of first scanning pins, and the first scanning pin is respectively in order to the touching signals on the sensing liquid crystal panel 111,130; Second scanning pin group Y5 ~ Y8 has a plurality of second scanning pins, and the second scanning pin is in order to the touching signals on this liquid crystal panel 111,130 of sensing, and first scanning pin group Y1 ~ Y4 should be identical with the scanning sequence of second scanning pin group Y5 ~ Y8; First data pin group S1 ~ S7, have a plurality of data pins, data pin S1 ~ S7, first scanning pin group Y1 ~ Y4 and second scanning pin group Y5 ~ Y8 are coupled to liquid crystal panel 111,130 respectively to drive liquid crystal panel 111,130, wherein the position of first scanning pin group Y1 ~ Y4 and second scanning pin group Y5 ~ Y8 is non-conterminous, and at least part of data pin S1 ~ S7 is disposed between first scanning pin group Y1 ~ Y4 and the second scanning pin group Y5 ~ Y8; And viewing area 1110 is different with touch area 1113 corresponding scanning pins.
Furthermore, present embodiment is divided into viewing area 1110 and touch area 1113 with liquid crystal panel 111, and be connected to different scanning pins respectively, for example: viewing area 1110 is coupled to apart from the viewing area 1,110 first nearer scanning pin group Y1 ~ Y4, touch area 1113 is coupled to apart from the touch area 1,113 second nearer scanning pin group Y5 ~ Y8, so configuration mode can reduce liquid crystal panel 111 the distribution complexity, avoid different position of touch to interfere with each other and then improve the touch-control precision.What deserves to be mentioned is that the dividing mode of the liquid crystal panel that present embodiment is lifted only is an example, but it is not in order to limit the spirit of this disclosure.
(the possible effect of embodiment)
In sum, the touch-control of the liquid crystal panel that this new embodiment provides, demonstration are integrated and are driven chip, by changing existing touch-control, showing the configuration mode of integrating the scanning pin that drives chip, and then make the scanning pin can be configured in touch-control, show and integrate the diverse location that drives in the chip, therefore provide than the more flexible configuration mode of prior art.Also namely, the configuration mode of the liquid crystal panel upper tracer of this disclosure is more simple and easy compared with prior art, and then can reduce the complexity of the sweep trace configuration of liquid crystal panel, and reduces the manufacturing cost of touch-control display panel.In addition, owing to the touch-control of the liquid crystal panel of this disclosure, show to integrate and drive the scanning pin that chip has more groups, therefore can make each display pattern all independently be coupled to the one scan line, avoid when touch-control, taking place the situation that sense is mutually disturbed.
The above only is this novel embodiment, and its its be not in order to this novel claim of limitation.
Claims (10)
1. the touch-control of a liquid crystal panel, demonstration are integrated and are driven chip, it is characterized in that, this touch-control, demonstration are integrated the driving chip and comprised:
The first scanning pin group has a plurality of first scanning pins, and described a plurality of first scanning pins are respectively in order to the touching signals on this liquid crystal panel of sensing;
The second scanning pin group has a plurality of second scanning pins, and described a plurality of second scanning pins are in order to the touching signals on this liquid crystal panel of sensing, and wherein this first scanning pin group should be identical with the scanning sequence of this second scanning pin group; And
The first data pin group has a plurality of data pins, and described a plurality of data pins, this first scanning pin group and this second scanning pin group are coupled to this liquid crystal panel respectively to drive this liquid crystal panel;
Wherein, the position of this first scanning pin group and this second scanning pin group is non-conterminous, and at least part of described a plurality of data pins are disposed between this first scanning pin group and this second scanning pin group.
2. the touch-control of liquid crystal panel as claimed in claim 1, demonstration are integrated and are driven chip, it is characterized in that, this touch-control, demonstration are integrated the driving chip and also comprised:
The 3rd scanning pin group has a plurality of the 3rd scanning pins, and described a plurality of first scanning pins are in order to the touching signals on this liquid crystal panel of sensing, and wherein the 3rd scanning pin group is identical with the scanning sequence of this first scanning pin group.
3. the touch-control of liquid crystal panel as claimed in claim 1, demonstration are integrated and are driven chip, it is characterized in that, described a plurality of first scanning pins and described a plurality of data pin are crisscross arranged.
4. the touch-control of liquid crystal panel as claimed in claim 1, demonstration are integrated and are driven chip, it is characterized in that, this first data pin group is arranged between this first scanning pin group and this second scanning pin group.
5. the touch-control of liquid crystal panel as claimed in claim 1, demonstration are integrated and are driven chip, it is characterized in that, this first scanning pin group is arranged on this touch-control, shows and integrate first side that drives chip, and this second scanning pin group is arranged on this touch-control, shows and integrate second side that drives chip.
6. the touch-control of liquid crystal panel as claimed in claim 1, demonstration are integrated and are driven chip, it is characterized in that, this touch-control, demonstration are integrated the driving chip and are also comprised the 3rd scanning pin group, wherein this first scanning pin group and this second scanning pin group are arranged on this touch-control, show and integrate first side that drives chip, and the 3rd scanning pin group is arranged on this touch-control, shows and integrate second side that drives chip.
The touch-control of liquid crystal panel as claimed in claim 1, show to integrate drive chip, it is characterized in that described a plurality of first scanning pins are corresponding respectively to be short-circuited to described a plurality of second scanning pin to produce corresponding scanning sequence.
8. the touch-control of liquid crystal panel as claimed in claim 1, demonstration are integrated and are driven chip, it is characterized in that, this touch-control, demonstration are integrated the driving chip and also comprised:
First driver element is coupled to this first pin group; And
Second driver element is coupled to this second pin group, and wherein this first driver element is identical with the scanning sequence of this second driver element.
9. the touch-control of liquid crystal panel as claimed in claim 1, demonstration are integrated and are driven chip, it is characterized in that, this touch-control, demonstration are integrated the driving chip and also comprised:
Switch unit is coupled to this first scanning pin group and this second scanning pin group;
The display driver unit is coupled to this first scanning pin group and this second scanning pin group via this switch unit; And
Touch-control sensing unit is coupled to this first scanning pin group and this second scanning pin group via this switch unit.
10. a display device is characterized in that, this display device comprises:
Liquid crystal panel has viewing area and touch area; And
Touch-control, demonstration are integrated and are driven chip, are coupled to this liquid crystal panel, and this touch-control, demonstration are integrated the driving chip and comprised:
The first scanning pin group has a plurality of first scanning pins, and described a plurality of first scanning pins are respectively in order to the touching signals on this liquid crystal panel of sensing;
The second scanning pin group has a plurality of second scanning pins, and described a plurality of second scanning pins are in order to the touching signals on this liquid crystal panel of sensing, and wherein this first scanning pin group should be identical with the scanning sequence of this second scanning pin group; And
The first data pin group, have a plurality of data pins, described a plurality of data pin, this first scanning pin group and this second scanning pin group are coupled to this liquid crystal panel respectively to drive this liquid crystal panel, wherein the position of this first scanning pin group and this second scanning pin group is non-conterminous, and at least part of described a plurality of data pins are disposed between this first scanning pin group and this second scanning pin group;
Wherein, this viewing area is different with the corresponding scanning pin in this touch area.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320040600 CN203117617U (en) | 2013-01-25 | 2013-01-25 | Touch control and display integration driver chip and displaying device of liquid crystal display panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320040600 CN203117617U (en) | 2013-01-25 | 2013-01-25 | Touch control and display integration driver chip and displaying device of liquid crystal display panel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015160659A1 (en) * | 2014-04-16 | 2015-10-22 | Microchip Technology Incorporated | Lcd controller with capacitive touch interface |
| CN109240539A (en) * | 2017-02-22 | 2019-01-18 | 敦泰电子有限公司 | Touch-control, which is shown, integrates driving circuit |
| US11150755B2 (en) | 2017-02-22 | 2021-10-19 | Focaltech Electronics, Ltd. | Touch display integrated circuit |
-
2013
- 2013-01-25 CN CN 201320040600 patent/CN203117617U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015160659A1 (en) * | 2014-04-16 | 2015-10-22 | Microchip Technology Incorporated | Lcd controller with capacitive touch interface |
| CN106104666A (en) * | 2014-04-16 | 2016-11-09 | 密克罗奇普技术公司 | There is the lcd controller of capacitance touch interface |
| US9569025B2 (en) | 2014-04-16 | 2017-02-14 | Microchip Technology Incorporated | LCD controller with capacitive touch interface |
| JP2017514157A (en) * | 2014-04-16 | 2017-06-01 | マイクロチップ テクノロジー インコーポレイテッドＭｉｃｒｏｃｈｉｐ Ｔｅｃｈｎｏｌｏｇｙ Ｉｎｃｏｒｐｏｒａｔｅｄ | LCD controller with capacitive touch interface |
| CN106104666B (en) * | 2014-04-16 | 2019-05-21 | 密克罗奇普技术公司 | LCD controller with capacitance touch interface |
| CN109240539A (en) * | 2017-02-22 | 2019-01-18 | 敦泰电子有限公司 | Touch-control, which is shown, integrates driving circuit |
| US11150755B2 (en) | 2017-02-22 | 2021-10-19 | Focaltech Electronics, Ltd. | Touch display integrated circuit |
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