CN102880325A - Touch display panel - Google Patents
Touch display panel Download PDFInfo
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- CN102880325A CN102880325A CN2011101915697A CN201110191569A CN102880325A CN 102880325 A CN102880325 A CN 102880325A CN 2011101915697 A CN2011101915697 A CN 2011101915697A CN 201110191569 A CN201110191569 A CN 201110191569A CN 102880325 A CN102880325 A CN 102880325A
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Abstract
The invention discloses a touch display panel which comprises a first panel, a second panel and a clearance layer, wherein the first panel has a touch sensing area, and is configured in parallel to the second panel; the second panel has a displaying area which is correspondingly positioned below the touch sensing area; the clearance layer is configured between the first panel and the second panel; and the clearance layer has a plurality of conductive clearance parts for electrically connecting the first panel with the second panel.
Description
Technical field
The present invention relates to a kind of touch-control display panel (Touch-sensitive display panel), and particularly relate to a kind of touch-control display panel that receives touching signals or transmitting display signal therefor with conductive gap of inside.
Background technology
Since the contact panel technical development, contact panel has occupied high city and has accounted for rate in consumption electronic product.See the touch-control display panel that is integrated with touch-control and Presentation Function in the existing market, can be used on the consumption electronic products easy to carry products such as wireless communication handset, notebook computer, panel computer, digital camera.
Yet, the electronic product of integrating on the market touch controllable function is with contact panel and display panel direct-assembling together mostly, transmit touching signals and display with separately signal wire again, therefore electronic product must additionally increase the space of signal wire assembling and welding and the cost that increases the required electronic component of circuit, can't reach thin type and reduce assembly cost.
Summary of the invention
The present invention relates to a kind of touch-control display panel, is that conductive gap with inside receives touching signals or transmitting display signal therefor, reduces thus the space of signal wire assembling and welding and the cost that reduces the required electronic component of control circuit.
According to an aspect of the present invention, propose a kind of touch-control display panel, comprise the first panel, the second panel and clearance layer.The first panel has the touch sensing district.The second panel and the first panel configured in parallel, the second panel has the viewing area, is positioned at accordingly below, touch sensing district.Clearance layer is disposed between the first panel and the second panel, and clearance layer has a plurality of conductive gap, in order to be electrically connected the first panel and the second panel.
For there is better understanding above-mentioned and other aspect of the present invention, preferred embodiment cited below particularly, and cooperation accompanying drawing are described in detail below:
Description of drawings
Fig. 1 illustrates the diagrammatic cross-section according to the touch-control display panel of the embodiment of the invention.
Fig. 2 illustrates the synoptic diagram according to the first panel of embodiment.
Fig. 3 A and Fig. 3 B illustrate respectively the diagrammatic cross-section according to the sensing electrode of an embodiment.
Fig. 4 illustrates the diagrammatic cross-section according to the touch-control display panel of the embodiment of the invention.
Fig. 5 illustrates the synoptic diagram according to the touch-control display panel of the embodiment of the invention.
Fig. 6 illustrates the synoptic diagram according to the touch-control display panel of the embodiment of the invention.
Description of reference numerals
100: touch-control display panel 101: touch-control display panel
102: 110: the first panels of touch-control display panel
111: touch sensing district 112: first substrate
114: sensing electrode 114a: the first region piece
114b: the second electrode block 114c, 114d: wire
115: insulating material 116: protective seam
118,138: 120: the first conductive layers of through hole
122,142: 130: the second panels of connection pad
131: viewing area 132: second substrate
133: bottom electrode 134: pel array
135: top electrode 136: insulation course
137～139: 140: the second conductive layers of Organic Light Emitting Diode
150: clearance layer 152,158: conductive gap
153: directive property conductive materials 154: clearance wall
156: conducting resinl frame PX: pixel cell
160: control circuit 162: display driver
164: touching signals processor 166: flexible PCB
168: single-chip
Embodiment
The touch-control display panel of present embodiment, utilization has high conduction, low-impedance conductive material is made conductive gap, the conductive gap subgroup is loaded between contact panel and the display panel, and can receive by the detected touching signals of contact panel maybe with output display conduct to display panel, but allow user's transmission display picture carry out touch control operation.In an embodiment, conductive gap is the conducting resinl that comprises the directive property conductive materials.The directive property conductive materials reaches the effect that receives touching signals or transmitting display signal therefor thus such as for being vertically arranged in CNT, conducting polymer or the metal particle etc. between contact panel and the display panel.
Below propose various embodiment and be elaborated, embodiment in order to as the example explanation, is not the scope that limits wish protection of the present invention only.
The first embodiment
Please refer to Fig. 1, it illustrates the diagrammatic cross-section according to the touch-control display panel of the embodiment of the invention.Touch-control display panel 100 comprises the first panel 110, the first conductive layer 120, the second panel 130, the second conductive layer 140 and clearance layer 150.The first panel 110 has touch sensing district 111.The first conductive layer 120 be disposed at touch sensing district 111 around.The second panel 130 and the first panel 110 configured in parallel, the second panel 130 has viewing area 131, and correspondence is positioned at 111 belows, touch sensing district.The second conductive layer 140 be disposed at viewing area 131 around.Clearance layer 150 is disposed between the first panel 110 and the second panel 130, and clearance layer 150 comprises a plurality of conductive gap 152, in order to be electrically connected the first conductive layer 120 and the second conductive layer 140.
Please refer to Fig. 1 and Fig. 2, wherein Fig. 2 illustrates the synoptic diagram according to the first panel of embodiment.The first panel 110 for example is capacitance type touch-control panel or electric resistance touch-control panel.Take capacitance type touch-control panel as example, the first panel 110 comprises first substrate 112 and a plurality of staggered sensing electrode 114.These sensing electrodes 114 are disposed in the touch sensing district 111, in order to detect the coordinate position of touching signals on two crossing directions.Among the magnification region LA as shown in Figure 2, on the X-Y coordinate, a plurality of continuous the first region piece 114a are arranged on the first substrate 112 along first direction (for example being Building X mark direction).In addition, a plurality of the second continuous electrode block 114b are arranged on the first substrate 112 along second direction (for example being Building Y mark direction).Building X mark perpendicular direction is marked direction in the Building Y.
The first region piece 114a and the second electrode block 114b can be tin indium oxide, or other transparent conductive materials, such as the combination of cadmium tin (CTO), zinc oxide aluminum (AZO), indium zinc oxide (IZO), zinc paste (ZnO), tin oxide (SnO) or previous materials.In addition, first substrate 112 can be transparent cover plate (Cover lens), and it covers the first region piece 114a and the second electrode block 114b, and material can be the material that glass, acryl or engineering plastic etc. have the characteristics such as high strength, scratch resistance, high printing opacity.
The first region piece 114a and the second electrode block 114b can be arbitrary shape, and such as square, rectangle, rhombus, triangle, polygon, circle, ellipse etc., present embodiment is that electrode block take rhombus is as example.Please refer to Fig. 3 A and Fig. 3 B, it illustrates respectively the diagrammatic cross-section according to the sensing electrode of embodiment.Along the sensing electrode 114 of I-I profile line as example, the first region piece 114a and the second electrode block 114b are interconnected, to define the coordinate position (be Building X cursor position and Building Y cursor position) of touching signals on two crossing directions in Fig. 2.When the first region piece 114a and the second electrode block 114b are arranged on the first substrate 112, insulating material 115 can be set in the plotted point C of the two, make wherein that sensing electrode is connected across on another sensing electrode, to avoid the first region piece 114a and the second electrode block 114b short circuit.
Fig. 3 A and Fig. 3 B difference are: in Fig. 3 A, wire 114c is set directly on the plotted point C of sensing electrode 114, again with the insulating material 115 local wire 114c that cover.Adjacent the first region piece 114a is connected to wire 114c and is not insulated the part that material 115 covers, to electrically conduct.The wire of the second electrode block 114b is connected across insulating material 115 tops.In Fig. 3 B, the wire of the second electrode block 114b is coated with insulating material 115 on plotted point C, and wire 114d is arranged on the insulating material 115 and is connected across insulating material 115 tops, to be electrically connected adjacent the first region piece 114a.At last, cover the first sensing electrode 114a, the second sensing electrode 114b and wire 114d etc. with protective seam 116 again.
As described in Figure 1, the first panel 110 comprises protective seam 116, is covered on these a little sensing electrodes 114.In addition, protective seam 116 comprises that a plurality of through hole 118, the first conductive layers 120 are electrically connected via sensing electrode 114 these through holes 118 and corresponding.For instance, being positioned at the first region piece 114a that marks on the direction identical Building X can be electrically connected through the connection pad 122 (referring to Fig. 1) of the first corresponding through hole 118 (referring to Fig. 1) with the first conductive layer 120, and the second electrode block 114b that is positioned on the mark direction of identical Building Y can be electrically connected through the second corresponding through hole (scheming not illustrate) another connection pad (figure does not illustrate) with the first conductive layer 120.
In addition, the second panel 130 for example is liquid crystal display (LCD) panel or Organic Light Emitting Diode (OLED) display panel.The second panel 130 comprises second substrate 132 and pel array 134.Second substrate 132 can be glass substrate, plastic substrate or flexible PCB.Pel array 134 is disposed on the viewing area 131.If display panels, pel array 134 comprise a plurality of pixel switches with array format (such as thin film transistor (TFT)), signal wire (such as data line and sweep trace) and pixel electrode etc., with the demonstration of control image pixel.If organic LED display panel, pel array 134 comprise the array that is combined by a plurality of pixel cell PX (only illustrating one), each pixel cell PX comprises a plurality of Organic Light Emitting Diodes 137～139, with the demonstration of control image pixel.
The structure that above-mentioned organic LED display panel adopts, but do not limit, can be amorphous silicon film transistor (a-Si TFT), low temperature polycrystalline silicon transistor (LTPS TFT), organic transistor (Organic TFT), MOS transistor (Oxide TFT) or indium gallium zinc oxide transistor (IGZO TFT).
In addition, the second panel 130 comprises insulation course 136, be disposed at pixel cell PX around, insulation course 136 comprises that a plurality of through hole 138, the second conductive layers 140 are electrically connected with corresponding pixel cell PX via these through holes 138.For instance, the connection pad 142 (referring to Fig. 1) that the bottom electrode 133 of pixel cell PX can see through the first corresponding through hole 138 (referring to Fig. 1) and the second conductive layer 140 is electrically connected, and the top electrode 135 of pixel cell PX can be same layer electrode or different layers electrode with the second conductive layer 140.The required signal of top electrode 135 can transmit via the connection pad 142 of bottom electrode 133 and corresponding the first through hole 138, the second conductive layer 140 or directly be controlled by control circuit 160.
In Fig. 1, touch-control display panel 100 also comprises control circuit 160, is disposed on the second panel 130 or sees through flexible PCB 166 to be connected to the second panel 130.Because conductive gap 152 is disposed between the first panel 110 and the second panel 130, and be electrically connected between the first conductive layer 120 and the second conductive layer 140, therefore the first panel 110 detected touching signals can conduct to the second panel 130 via conductive gap 152, judge the coordinate position of touching signals on two orthogonal directions by control circuit 160 again, to learn the input instruction.Afterwards, control circuit 160 converts the touching signals of input to corresponding display, and exports the second panel 130 to, with display frame.Therefore, but user's transmission display picture carries out touch control operation.
In an embodiment, control circuit 160 comprises display driver 162, touching signals processor 164 or the single-chip 168 (referring to Fig. 5) that is combined by display driver 162 and touching signals processor 164.Use single-chip 168 can reduce the quantity of the required electronic component of control circuit 160, to reduce cost.
The second embodiment
Please refer to Fig. 4, it illustrates the diagrammatic cross-section according to the touch-control display panel of the embodiment of the invention.Different from the first embodiment is, when the configuration space of the first panel 110 during greater than the configuration space of the second panel 130, present embodiment can be disposed at control circuit 160 on the first panel 110 or see through flexible PCB 166 and be connected to the first panel 110.Because conductive gap 152 is disposed between the first panel 110 and the second panel 130, and be electrically connected between the first conductive layer 120 and the second conductive layer 140, therefore control circuit 160 can directly receive the first panel 110 detected touching signals, touching signals with input converts corresponding display to again, and see through conductive gap 152 output display signal to the second panels 130, with display frame.Therefore, but user's transmission display picture carries out touch control operation.
The detailed content of relevant touch-control display panel 100 please refer to the first embodiment, does not repeat them here.
The 3rd embodiment
Please refer to Fig. 5, it illustrates the synoptic diagram according to the touch-control display panel of the embodiment of the invention.In above-mentioned first and second embodiment, clearance layer 150 comprises clearance wall 154, around touch sensing district 111, and is supported between the first panel 110 and the second panel 130, to form the glue frame.Because conductive gap son 152 is separated from one another with clearance wall 154, so clearance wall 154 can be the hot-setting adhesive of insulating material, such as epoxy resin or acryl resin etc.What present embodiment was different from above-mentioned first and second embodiment is that above-mentioned conductive gap son 152 is connected as one with clearance wall 154.At this moment, clearance wall 154 and conductive gap 152 are to comprise that the conducting resinl of directive property conductive materials 153 coats the peripheral region of touch-control display panel 101, to form conducting resinl frame 156.
Directive property conductive materials 153 reaches the effect that receives touching signals or transmitting display signal therefor thus such as for being vertically arranged in CNT, conducting polymer or the metal particle etc. between contact panel and the display panel.
The detailed content of relevant touch-control display panel 101 please refer to the touch-control display panel 100 of the first embodiment, does not repeat them here.
The 4th embodiment
Please refer to Fig. 6, it illustrates the synoptic diagram according to the touch-control display panel of the embodiment of the invention.In first, second embodiment, an end of conductive gap 152 sees through the first conductive layer 120 and the first panel 110 is electrically connected, and the other end of conductive gap 152 sees through the second conductive layer 140 and the second panel 130 is electrically connected.What present embodiment was different from above-mentioned first and second embodiment is that conductive gap 158 need not see through the first conductive layer 120 and the second conductive layer 140, but directly is electrically connected the first panel 110 and the second panel 130.For instance, conductive gap 158 can be directly be electrically connected with corresponding sensing electrode 114, to receive touching signals.In addition, conductive gap 158 can be directly be electrically connected with the bottom electrode 133 of corresponding pixel cell 134, with the transmission touching signals to control circuit 160.
The detailed content of relevant touch-control display panel 102 please refer to the touch-control display panel 100 of the first embodiment, does not repeat them here.
In sum, although the present invention discloses as above with preferred embodiment, so it is not to limit the present invention.The persons of ordinary skill in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention defines and is as the criterion when looking claim.
Claims (15)
1. touch-control display panel comprises:
The first panel has the touch sensing district;
The second panel, with this first panel configured in parallel, this second panel has the viewing area, is positioned at accordingly this below, touch sensing district;
The second conductive layer, be disposed at this viewing area around; And
Clearance layer is disposed between this first panel and this second panel, and this clearance layer comprises a plurality of conductive gap, in order to be electrically connected this first panel and this second panel.
2. touch-control display panel as claimed in claim 1, wherein this first panel comprises first substrate and a plurality of staggered sensing electrode, these a plurality of sensing electrodes are disposed in this touch sensing district, in order to detect the coordinate position of touching signals on two crossing directions.
3. touch-control display panel as claimed in claim 2, wherein these a plurality of sensing electrodes comprise:
A plurality of continuous the first region pieces are arranged on this first substrate along first direction;
A plurality of the second continuous electrode blocks are arranged on this first substrate along second direction, and this second direction is perpendicular to this first direction; And
Insulating material is disposed at the confluce of these a plurality of the first region pieces and these a plurality of the second electrode blocks.
4. touch-control display panel as claimed in claim 2 also comprises the first conductive layer, this first conductive layer be disposed at this touch sensing district around, and be electrically connected with this a plurality of conductive gap.
5. touch-control display panel as claimed in claim 4; wherein this first panel comprises protective seam; this protective seam is covered on these a plurality of sensing electrodes, and this protective seam comprises a plurality of through holes, and this first conductive layer is electrically connected via a plurality of sensing electrodes of these a plurality of through holes and corresponding this.
6. touch-control display panel as claimed in claim 1, wherein this second panel comprises second substrate and pel array, and this pixel array configuration is on this viewing area, and this pel array comprises the array that is combined by a plurality of pixel cells.
7. touch-control display panel as claimed in claim 6, wherein respectively this pixel cell comprises a plurality of Organic Light Emitting Diodes.
8. touch-control display panel as claimed in claim 6 also comprises the second conductive layer, this second conductive layer be disposed at this viewing area around, and be electrically connected with this a plurality of conductive gap.
9. touch-control display panel as claimed in claim 8, wherein this second panel comprises insulation course, this insulation course be disposed at these a plurality of pixel cells around, this insulation course comprises a plurality of through holes, this second conductive layer is electrically connected via these a plurality of pixel cells these a plurality of through holes and corresponding.
10. touch-control display panel as claimed in claim 1, wherein this clearance layer comprises clearance wall, this clearance wall and is supported between this first panel and this second panel around this touch sensing district.
11. touch-control display panel as claimed in claim 10, wherein these a plurality of conductive gap are separated from one another with this clearance wall.
12. touch-control display panel as claimed in claim 10, wherein these a plurality of conductive gap are connected as one with this clearance wall.
13. such as claim 1,11 or 12 described touch-control display panels, wherein these a plurality of conductive gap are the conducting resinl that comprises the directive property conductive materials.
14. touch-control display panel as claimed in claim 1, also comprise control circuit, this control circuit is disposed on this first panel or this second panel, in order to receive the detected touching signals of this first panel and to export corresponding display to this two panel.
15. touch-control display panel as claimed in claim 12, wherein this control circuit comprises display driver, touching signals processor or the single-chip that is combined by this display driver and this touching signals processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101915697A CN102880325A (en) | 2011-07-12 | 2011-07-12 | Touch display panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101915697A CN102880325A (en) | 2011-07-12 | 2011-07-12 | Touch display panel |
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| CN102880325A true CN102880325A (en) | 2013-01-16 |
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| CN2011101915697A Pending CN102880325A (en) | 2011-07-12 | 2011-07-12 | Touch display panel |
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| CN103345901A (en) * | 2013-06-26 | 2013-10-09 | 京东方科技集团股份有限公司 | AMOLED pixel circuit and driving method and display device thereof |
| CN104238806A (en) * | 2013-06-20 | 2014-12-24 | 启耀光电股份有限公司 | Touch display panel and touch display device |
| CN105807992A (en) * | 2016-03-03 | 2016-07-27 | 京东方科技集团股份有限公司 | Touch display panel and touch display apparatus |
| CN106873238A (en) * | 2017-04-28 | 2017-06-20 | 京东方科技集团股份有限公司 | A kind of opposite substrate, display panel, display device and preparation method |
| CN106896951A (en) * | 2015-10-07 | 2017-06-27 | 财团法人工业技术研究院 | Touch display panel |
| CN109143702A (en) * | 2018-08-31 | 2019-01-04 | 武汉华星光电技术有限公司 | Touch-control display panel |
| WO2019200567A1 (en) * | 2018-04-18 | 2019-10-24 | 深圳市柔宇科技有限公司 | Oled touch panel preparation apparatus and oled touch panel preparation method |
| WO2022057530A1 (en) * | 2020-09-16 | 2022-03-24 | 京东方科技集团股份有限公司 | Drive control module, drive control method, dual-layer panel, and display device |
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| WO2022057530A1 (en) * | 2020-09-16 | 2022-03-24 | 京东方科技集团股份有限公司 | Drive control module, drive control method, dual-layer panel, and display device |
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Application publication date: 20130116 |