CN101498851A - Touch control display panel and LCD - Google Patents
Touch control display panel and LCD Download PDFInfo
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- CN101498851A CN101498851A CNA2009101112785A CN200910111278A CN101498851A CN 101498851 A CN101498851 A CN 101498851A CN A2009101112785 A CNA2009101112785 A CN A2009101112785A CN 200910111278 A CN200910111278 A CN 200910111278A CN 101498851 A CN101498851 A CN 101498851A
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- induction
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Abstract
The invention relates to an embedded type touch display panel and a liquid crystal display. An induction line is arranged above and parallel to a data line in an active element array substrate, and an inductive element is arranged on a scanning line; the induction line above the data line generates electricity current through the pressure provided by the external and the scanning line leaks slight electricity to mark the X-coordinate and the Y-coordinate of a touch point. The embedded type touch display panel and a liquid crystal display have the advantages of truly reflecting the coordinate of he touching point, reducing the cost of the materials demanded by the traditional external touch liquid crystal display and reducing the thickness of the mechanism.
Description
Technical field
The invention relates to a kind of touch-control display panel and LCD, a kind of embedded touch display panel and LCD that is applicable to a finger or a pressure touch controls particularly is provided.
Background technology
Several contact panels are widely used in LCD to make the display that can have show image and input function simultaneously, for example resistance-type, condenser type and fluctuation formula (as sound wave, infrared ray and laser) etc.Resistance-type, capacitance touching control formula LCD are that contact panel and LCD are directly carried out up and down superimposed, are referred to as plug-in touch-control liquid crystal display.Because superimposed contact panel is transparent panel, thus image can penetrate superimposed at last contact panel show image, again by contact panel as the input media or interface.Yet this known technology because when superimposed, must increase the complete weight of a contact panel, makes LCD weight increase significantly, does not meet present market for the compact requirement of display.And direct superimposed touch-control shows panel and LCD, on thickness, has increased the thickness of contact panel itself.And for fixing and slow down vibrations, usually between contact panel and the LCD, still need and to dispose a rubber cushion pad, therefore, general touch-control liquid crystal display all can improve on thickness in a large number, cause and use and the inconvenience when mobile, moreover because the number of plies of light transmission touch panel is numerous, when causing light to penetrate, light quantity suffers the loss of absorbing light penetrance big.In addition, the imaging point position of all non-actual panel of press points of resistance-type, condenser type and fluctuation formula touch-control liquid crystal display, therefore the coordinate of pushing and the coordinate of actual panel imaging have error.Therefore, the utmost point need develop a kind of in light weight, thin thickness, can actual response press points position touch-control liquid crystal display.
Summary of the invention
The object of the present invention is to provide a kind of embedded touch display panel and LCD, reacting the press points position coordinate of touch-control more realistically, and reduce traditional plug-in touch-control liquid crystal display material requested cost and mechanism's thickness.
For reaching above-mentioned purpose, the invention provides a kind of touch-control display panel, it comprises an active component array base board, a subtend substrate and a liquid crystal layer.Active component array base board comprises data line, sweep trace, active member, pixel electrode, the line of induction and sensing element.The subtend substrate is this active component array base board configuration relatively, and it comprises black matrix", counter electrode, first column structure and second column structure, and first, second column structure is relative induction line and sensing element setting respectively.Liquid crystal layer then is folded between this active component array base board and this subtend substrate.At least one first column structure and second column structure electrically connect the line of induction or sensing element respectively owing to the extraneous pressure that provides.
The present invention provides a kind of LCD in addition, and it comprises a touch-control display panel and a module backlight.It comprises an active component array base board, a subtend substrate and a liquid crystal layer touch-control display panel.Active component array base board comprises data line, sweep trace, active member, pixel electrode, the line of induction and sensing element.The subtend substrate is this active component array base board configuration relatively, and it comprises black matrix", counter electrode, first column structure and second column structure, and first, second column structure is relative induction line and sensing element setting respectively.Liquid crystal layer then is folded between this active component array base board and this subtend substrate.At least one first column structure and second column structure electrically connect the line of induction or sensing element respectively owing to the extraneous pressure that provides.Module backlight is disposed at the opposite side of active component array base board with respect to the subtend substrate, and it comprises a light source, and this light source can be side-light type or directly-down light source.
Because embedded touch display panel of the present invention and LCD are to be built on the active component array base board in the line of induction and the sensing element, and touch point is arranged on the subtend substrate, therefore LCD of the present invention can be reacted the press points position coordinate of touch-control more realistically, the newly-increased line of induction and sensing element and original process-compatible, do not need additional step, also can reduce traditional plug-in touch-control liquid crystal display material requested cost and mechanism's thickness.
Description of drawings
Fig. 1 is the synoptic diagram of the preferred embodiment of touch-control liquid crystal display of the present invention.
Fig. 2 is the local enlarged diagram of active component array base board of the present invention.
Fig. 3 is the line of induction A-A ' schematic cross-section on the active component array base board of the present invention.
Fig. 4 is the sensing element B-B ' schematic cross-section on the active component array base board of the present invention.
Fig. 5 is synoptic diagram on the face of subtend substrate of the present invention.
Fig. 6 is the synoptic diagram after active component array base board of the present invention and subtend substrate in batch are stood.
Fig. 7 is the A-A ' schematic cross-section after active component array base board of the present invention and subtend substrate in batch are stood.
Fig. 8 is the B-B ' schematic cross-section after active component array base board of the present invention and subtend substrate in batch are stood.
[main element symbol description]
10 touch-control liquid crystal displays
20 touch-control display panels
21 active component array base boards
22 subtend substrates
23 liquid crystal layers
30 modules backlight
210,220 substrates
211 sweep traces
212 lock insulation courses
213 data lines
214 protective seams
215 pixel electrodes
216 lines of induction
217 sensing elements
218 active members
2171 gates
2172 source electrodes
2173 drains
2174 transparency conducting layers
2175 induction electrodes
2176 semiconductor layers
221 black matrix"s
222 first column structures
223 second column structures
224 counter electrodes
Embodiment
For making the general skill person who has the knack of the technical field of the invention can further understand the present invention, hereinafter the spy enumerates preferred embodiment of the present invention, and cooperate appended graphic, describe in detail constitution content of the present invention and the effect desiring to reach.
Please refer to Fig. 1.Fig. 1 is the synoptic diagram of the preferred embodiment of touch-control liquid crystal display of the present invention.As shown in Figure 1, the touch-control liquid crystal display 10 of present embodiment mainly comprises a touch-control display panel 20, and module backlight 30.Touch-control display panel 20 mainly comprises an active component array base board 21, a subtend substrate 22 and active component array base board 21 relative configurations, and a liquid crystal layer 23 is folded between active component array base board 21 and the subtend substrate 22.It is disposed at the opposite side of active component array base board 21 with respect to subtend substrate 22 module backlight 30, and its light source can be side-light type or directly-down light source.
The thin portion explanation of active component array base board 21 please refer to Fig. 2.Fig. 2 is the local enlarged diagram of active component array base board of the present invention.As shown in Figure 2, dispose the element of display panels necessity such as sweep trace 211, data line 213, active member 218, pixel electrode 215 on the active component array base board 21.Sweep trace 211 intersects vertically with data line 213, and active member 218 can be a membrane transistor, is disposed at the point of crossing of data line 213 and sweep trace 211, and 215 of pixel electrodes are electrically connected on active member 218, to receive the driving signal from data line 213.The line of induction 216 is parallel and be positioned at data line 213 tops, and sensing element 217 is positioned on the sweep trace 211.
The thin portion explanation of the line of induction 216 please refer to Fig. 3.Fig. 3 is the line of induction A-A ' schematic cross-section on the active component array base board of the present invention.As shown in Figure 3; one lock insulation course 212 is formed on the substrate 210, and data line 213 is formed on the lock insulation course 212, and the line of induction 216 is parallel and be positioned at data line 213 tops; one protective seam 214 is folded between the data line 213 and the line of induction 216, so that both are electrically insulated.The line of induction 216 and pixel electrode 215 (see figure 2)s are by being formed with one deck.
The thin portion explanation of sensing element 217 please refer to Fig. 4.Fig. 4 is the sensing element B-B ' schematic cross-section on the active component array base board of the present invention.As shown in Figure 4, on substrate 210, form gate 2171, lock insulation course 212, semiconductor layer 2176, source electrode 2172 and drain 2173 in regular turn.Sensing element 217 can be the film diode, and wherein the gate 2171 of sensing element and sweep trace 211 are by being formed with one deck, and the source electrode 2172 of sensing element 217, drain 2173 and data line 213 are by being formed with one deck.The gate 2171 of sensing element 217 electrically connects via a transparency conducting layer 2174 with source electrode 2172, and the drain 2173 of sensing element 217 and an induction electrode 2175 electric connections.The line of induction 216, transparency conducting layer 2174, induction electrode 2175 and pixel electrode 215 are by being formed with one deck.
Perfect for the touch controllable function that makes touch-control display panel 20, it must be provided with touch point on subtend substrate 22 (see figure 1)s, and the thin portion explanation of touch point please refer to Fig. 5.Fig. 5 is synoptic diagram on the face of subtend substrate of the present invention.As shown in Figure 5, the subtend substrate 22 of present embodiment mainly comprises a black matrix" 221, first column structure 222, second column structure 223 and counter electrode 224.First column structure 222 is positioned on the black matrix" 221, and second column structure 223 also is positioned on the black matrix" 221, and counter electrode 224 is covered on first column structure 222 and second column structure 223.
The first above-mentioned column structure 222 and second column structure 223 be relative induction line 216 and sensing element 217 settings respectively in the upright back of panel sets, please refer to Fig. 6.Fig. 6 is the synoptic diagram after active component array base board of the present invention and subtend substrate in batch are stood.As shown in Figure 6, first column structure 222 is provided with respect to the line of induction 216; Second column structure 223 is provided with respect to sensing element 217.The pressure that provides when the external world is during in touch-control display panel 20, will make near first column structure 222 the press points position electrically connect the lines of induction 216, and makes near second column structure 223 the press points position electrically connect sensing elements 217.
Fig. 7 is the A-A ' schematic cross-section after active component array base board of the present invention and subtend substrate in batch are stood.Shown in Fig. 7 (a), one black matrix" 221 is formed on the substrate 220 of subtend substrate 22, first column structure 222 is positioned on the black matrix" 221 and with respect to the line of induction 216 and is provided with, and the height of this first column structure 222 is about less than panel gap 1 μ m, 224 relative active component array base board 21 configurations of counter electrode, and cover first column structure 222.Refer again to Fig. 7 (b), when the external world provides pressure that counter electrode 224 on first column structure 222 is electrically connected with the line of induction 216, because of counter electrode 224 has Vcom voltage, can make the line of induction 216 generation induction currents and detect it, and then demarcate the Building X mark of touch point by the receiving end (not shown) of data line output terminal reverse side.
Please refer to Fig. 8, Fig. 8 is the B-B ' schematic cross-section after active component array base board of the present invention and subtend substrate in batch are stood.Shown in Fig. 8 (a), one black matrix" 221 is formed on the substrate 220 of subtend substrate 22, second column structure 223 is positioned on the black matrix" 221 and is provided with respect to the induction electrode 2175 of sensing element 217 (see figure 6)s, and the height of this second column structure 223 is about less than panel gap 1 μ m, 224 relative active component array base board 21 configurations of counter electrode, and cover second column structure 223.Refer again to Fig. 8 (b), when the external world provides pressure that counter electrode 224 on second column structure 223 is electrically connected with induction electrode 2175, can make the signal of sweep trace 211 slightly leak off to counter electrode 224, cause the electric current of sweep trace 211 that slight abnormality is arranged, should slightly leak electricity by receiving end (figure does not show) detecting of sweep trace output terminal reverse side again, and then demarcate the Building Y mark of touch point.
In sum, embedded touch-sensitive type LCD of the present invention is the line of induction that be arranged in parallel in the data line top of active component array base board, and a sensing element is set on sweep trace, borrow the extraneous pressure that provides to make the line of induction of data line top produce electric current, sweep trace then produces slight electric leakage, with X and the Building Y mark of demarcating the touch point.The invention has the advantages that the embedded touch-sensitive type LCD can react the press points position coordinate of touch-control more realistically, the newly-increased line of induction and sensing element and original process-compatible, do not need additional step, also can reduce traditional plug-in touch-control liquid crystal display material requested cost and mechanism's thickness.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to the present patent application claim change and modify, and all should belong to the present invention's covering scope.
Claims (10)
1. touch-control display panel is characterized in that: comprising:
One active component array base board, this active component array base board comprises:
A plurality of data lines;
A plurality of sweep traces intersect vertically with those data lines;
A plurality of active members are disposed at the point of crossing of this data line and this sweep trace;
A plurality of pixel electrodes are electrically connected on this active member;
A plurality of lines of induction, parallel and be positioned at those data lines top;
A plurality of sensing elements are positioned on those sweep traces;
One subtend substrate, this active component array base board configuration relatively comprises:
One black matrix";
A plurality of first column structures, it is positioned on this black matrix" and with respect to this line of induction setting;
A plurality of second column structures, it is positioned on this black matrix" and with respect to this sensing element setting;
One subtend electrode, this active component array base board configuration relatively, and be covered on those first column structures and those second column structures; And
One liquid crystal layer is folded between this active component array base board and this subtend substrate;
Wherein, at least one this first column structure and this second column structure electrically connect this line of induction or this sensing element respectively owing to the extraneous pressure that provides.
2. touch-control display panel according to claim 1 is characterized in that: described sensing element is a film diode, and this film diode comprises a gate, one source pole and a drain.
3. touch-control display panel according to claim 2 is characterized in that: this gate of described sensing element and this sweep trace are by being formed with one deck, and this source electrode of this sensing element, this drain and this data line are by being formed with one deck.
4. touch-control display panel according to claim 2, it is characterized in that: this gate of described sensing element electrically is connected via a transparency conducting layer with this source electrode, and electrically connect in this drain and an induction electrode, wherein this induction electrode is corresponding with this second column structure position, and this line of induction, this transparency conducting layer, this induction electrode and this pixel electrode are by being formed with one deck.
5. touch-control display panel according to claim 1 is characterized in that: described active member is a membrane transistor, and the height of described column structure is about less than panel gap 1 μ m.
6. LCD is characterized in that: comprising:
A kind of touch-control display panel comprises:
One active component array base board, this active component array base board comprises:
A plurality of data lines;
A plurality of sweep traces intersect vertically with those data lines;
A plurality of active members are disposed at the point of crossing of this data line and this sweep trace;
A plurality of pixel electrodes are electrically connected on this active member;
A plurality of lines of induction, parallel and be positioned at those data lines top;
A plurality of sensing elements are positioned on those sweep traces;
One subtend substrate, this active component array base board configuration relatively comprises:
One black matrix";
A plurality of first column structures, it is positioned on this black matrix" and with respect to this line of induction setting;
A plurality of second column structures, it is positioned on this black matrix" and with respect to this sensing element setting;
One subtend electrode, this active component array base board configuration relatively, and be covered on those first column structures and those second column structures;
One liquid crystal layer is folded between this active component array base board and this subtend substrate; And
One module backlight, it is disposed at the opposite side of this active component array base board with respect to this subtend substrate;
Wherein, at least one this first column structure and this second column structure electrically connect this line of induction or this sensing element respectively owing to the extraneous pressure that provides.
7. LCD according to claim 6 is characterized in that: described sensing element is a film diode, and this film diode comprises a gate, one source pole and a drain.
8. LCD according to claim 7 is characterized in that: this gate of described sensing element and this sweep trace are by being formed with one deck, and this source electrode of this sensing element, this drain and this data line are by being formed with one deck.
9. LCD according to claim 7, it is characterized in that: this gate of described sensing element electrically is connected via a transparency conducting layer with this source electrode, and electrically connect in this drain and an induction electrode, wherein this induction electrode is corresponding with this second column structure position, and this line of induction, this transparency conducting layer, this induction electrode and this pixel electrode are by being formed with one deck.
10. LCD according to claim 6, it is characterized in that: described active member is a membrane transistor, wherein highly being about less than panel gap 1 μ m of this column structure, wherein this module backlight comprises a light source, and this light source can be side-light type or directly-down light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101112785A CN101498851B (en) | 2009-03-17 | 2009-03-17 | Touch control display panel and LCD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101112785A CN101498851B (en) | 2009-03-17 | 2009-03-17 | Touch control display panel and LCD |
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| Publication Number | Publication Date |
|---|---|
| CN101498851A true CN101498851A (en) | 2009-08-05 |
| CN101498851B CN101498851B (en) | 2010-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101112785A Expired - Fee Related CN101498851B (en) | 2009-03-17 | 2009-03-17 | Touch control display panel and LCD |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102566182A (en) * | 2009-12-28 | 2012-07-11 | 友达光电（苏州）有限公司 | Liquid crystal display panel and touch control detection method thereof |
| CN102955311A (en) * | 2012-10-30 | 2013-03-06 | 南京中电熊猫液晶显示科技有限公司 | Liquid crystal display device with built-in touch device |
| CN103135292A (en) * | 2011-11-30 | 2013-06-05 | 乐金显示有限公司 | Liquid crystal display device having touch screen |
| WO2013189158A1 (en) * | 2012-06-21 | 2013-12-27 | 京东方科技集团股份有限公司 | Array substrate, display apparatus, electronic apparatus, scanning method, and scanning device |
| CN103676264A (en) * | 2012-09-14 | 2014-03-26 | 速博思股份有限公司 | Embedded touch display panel system with metal wires connected with electrodes of touch sensing layer |
| US9158406B2 (en) | 2013-07-17 | 2015-10-13 | Chunghwa Picture Tubes, Ltd. | In-cell touch display panel |
| US9256096B2 (en) | 2012-12-31 | 2016-02-09 | Shanghai Tianma Micro-electronics Co., Ltd. | Liquid crystal display with embedded touch panel and method of manufacturing the same |
| CN106094373A (en) * | 2016-06-02 | 2016-11-09 | 武汉华星光电技术有限公司 | TFT substrate and preparation method thereof |
| CN106354289A (en) * | 2015-07-17 | 2017-01-25 | 林志忠 | Touch display device |
| US9710089B2 (en) | 2015-01-04 | 2017-07-18 | Boe Technology Group Co., Ltd. | Touch display panel having a plurality of spacers connected to a thin film transistor and manufacturing method thereof |
| US10228787B2 (en) | 2015-06-05 | 2019-03-12 | Innolux Corporation | Display device |
-
2009
- 2009-03-17 CN CN2009101112785A patent/CN101498851B/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102566182A (en) * | 2009-12-28 | 2012-07-11 | 友达光电（苏州）有限公司 | Liquid crystal display panel and touch control detection method thereof |
| CN103135292A (en) * | 2011-11-30 | 2013-06-05 | 乐金显示有限公司 | Liquid crystal display device having touch screen |
| WO2013189158A1 (en) * | 2012-06-21 | 2013-12-27 | 京东方科技集团股份有限公司 | Array substrate, display apparatus, electronic apparatus, scanning method, and scanning device |
| CN103676264B (en) * | 2012-09-14 | 2016-05-11 | 速博思股份有限公司 | Embedded touch display panel system with metal wires connected with electrodes of touch sensing layer |
| CN103676264A (en) * | 2012-09-14 | 2014-03-26 | 速博思股份有限公司 | Embedded touch display panel system with metal wires connected with electrodes of touch sensing layer |
| CN102955311B (en) * | 2012-10-30 | 2015-12-09 | 南京中电熊猫液晶显示科技有限公司 | A kind of liquid crystal indicator of embedded touch control |
| CN102955311A (en) * | 2012-10-30 | 2013-03-06 | 南京中电熊猫液晶显示科技有限公司 | Liquid crystal display device with built-in touch device |
| US9256096B2 (en) | 2012-12-31 | 2016-02-09 | Shanghai Tianma Micro-electronics Co., Ltd. | Liquid crystal display with embedded touch panel and method of manufacturing the same |
| US9158406B2 (en) | 2013-07-17 | 2015-10-13 | Chunghwa Picture Tubes, Ltd. | In-cell touch display panel |
| TWI510988B (en) * | 2013-07-17 | 2015-12-01 | Chunghwa Picture Tubes Ltd | In-cell touch display panel |
| US9710089B2 (en) | 2015-01-04 | 2017-07-18 | Boe Technology Group Co., Ltd. | Touch display panel having a plurality of spacers connected to a thin film transistor and manufacturing method thereof |
| US10228787B2 (en) | 2015-06-05 | 2019-03-12 | Innolux Corporation | Display device |
| CN106354289A (en) * | 2015-07-17 | 2017-01-25 | 林志忠 | Touch display device |
| CN106094373A (en) * | 2016-06-02 | 2016-11-09 | 武汉华星光电技术有限公司 | TFT substrate and preparation method thereof |
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|---|---|
| CN101498851B (en) | 2010-09-15 |
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