CN203480484U - Touch display screen and touch display device - Google Patents
Touch display screen and touch display device Download PDFInfo
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- CN203480484U CN203480484U CN201320555032.9U CN201320555032U CN203480484U CN 203480484 U CN203480484 U CN 203480484U CN 201320555032 U CN201320555032 U CN 201320555032U CN 203480484 U CN203480484 U CN 203480484U
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Abstract
The utility model discloses a touch display screen and a touch display device to reduce the width of the side frame of the touch display device and meet the requirement of a user for a narrow frame of the touch display device. The touch display screen comprises a plurality of transversely arranged first electrode wires and an FPC located above a display area or below the display area. Each first electrode wire corresponds to a first electrode line in electric connection, and each first electrode line is led out from one side, close to the FPC, of the display area and is in electric connection with the FPC. In the technical scheme, each first electrode line is led out from one side, close to the FPC, of the display area and cannot occupy the width of the side frame. Therefore, the side frame of the touch display device can be designed narrow, so that the requirement of the user for the narrow frame of the touch display device is greatly met.
Description
Technical field
The utility model relates to touch-control display technique field, particularly relates to a kind of touching display screen and touch control display apparatus.
Background technology
Touching display screen is as a kind of input medium, than keyboard and mouse, for user provides better convenience.In all kinds of touching display screens, mutual capacitance type touch control display screen, by means of the advantage of its higher sensitivity and the true touch-control of multiple spot, is subject to pursuing of more and more consumers.
Mutual capacitance type touch control display screen comprises one group of drive electrode line and the one group of exploring electrode line that mutual intersection and insulation arrange, when having n (n refers to more than 1 natural number) bar drive electrode line and m (m refers to more than 1 natural number) bar exploring electrode line, need m+n strip electrode cabling to connect with flexible print circuit board (Flexible Printed circuit is called for short FPC) conduction respectively.Its ultimate principle is: to drive electrode line making alive, detect the signal intensity of exploring electrode line.Drive electrode line is determined X-direction coordinate, and exploring electrode line is determined Y-direction coordinate.When detecting, X-direction drive electrode line is lined by line scan, when the every a line drive electrode line of scanning, all read every signal on exploring electrode line, by a scanning of taking turns, just the intersection point of each ranks can be scanned, scan altogether m*n signal.This detection mode can be concrete the coordinate of definite multiple spot, therefore can realize multi-point touch.Its equivalent-circuit model as shown in Figure 1, comprising: signal source 101, drive electrode line resistance 103, mutual capacitance 102 between drive electrode line and exploring electrode line, the stray capacitance 104 of drive electrode line, exploring electrode line and public electrode interlayer, exploring electrode line resistance 105, testing circuit 106.When finger touch, some electric current flows into finger, and the mutual capacitance being equivalent between drive electrode line and exploring electrode line changes, and detects the weak current variation causing thus can determine multiple spot coordinate in test side.
As shown in Figure 2, in existing a kind of touching display screen, each drive electrode line 11 is connected by being positioned at the electrode cabling 13 in side frame region 12 and the FPC15 of 14 belows, viewing area conduction.The defect that the prior art exists is, electrode cabling is arranged on side frame region need to take certain side frame width, and the narrow frame development trend that this is unfavorable for touch control display apparatus cannot meet the narrow frame demand of user to touch control display apparatus.
Utility model content
The utility model provides a kind of touching display screen and touch control display apparatus, to reduce the side frame width of touch control display apparatus, meets the narrow frame demand of user to touch control display apparatus.
The touching display screen that the utility model embodiment provides, comprising:
Many the first electrode wires of horizontally set;
Be positioned at the FPC above or below viewing area;
Each the first electrode wires the first electrode cabling of connecting of corresponding conduction, each described first electrode cabling is drawn near a side of described FPC from viewing area and is connected with described FPC conduction.
In this technical scheme, each first electrode cabling from viewing area the side near FPC directly draw, can not take the width of side frame, therefore, it is narrower that the side frame of touch control display apparatus can design, and greatly met the narrow frame demand of user to touch control display apparatus.
Preferably, described touching display screen is the embedded touch display screen of ADS display mode, comprises first substrate and second substrate that position is relative, wherein:
Described first substrate comprises described many tabular common electrode layer that the first electrode wires forms, and the slit-shaped pixel electrode layer that is positioned at described common electrode layer top;
Described second substrate comprises many second electrode wires arranged in a crossed manner with described many first electrode wires.
Many the first electrode wires of this programme, both as the main components that realizes touch controllable function, show for ADS pattern as tabular common electrode layer again.Embedded touch display screen is compared external hanging type touching display screen, there is the advantage that thickness is thinner, performance is higher, cost is lower, and the embedded touch display screen of ADS display mode has more high resolving power, high permeability, low-power consumption, wide visual angle, high aperture, low aberration, without advantages such as water of compaction ripples.
Preferably, described first substrate also comprises many data lines that arrange along first direction; Each described the first electrode cabling and described many data lines arrange with layer and are parallel to described many data lines, between each described first electrode cabling and corresponding described the first electrode wires, by the first insulation course via structure, are realized and are conducted electricity connection.In this structure, the first electrode cabling and data line bit, in layer, can not increase the thickness of touching display screen, are conducive to the thin type development of touching display screen.
More excellent, described the first electrode cabling adopts identical material with described data line.The first electrode cabling of this structure and data line can made with in a composition technique, can not increase the usage quantity of mask plate and the complexity of increase technique, therefore, are conducive to save manufacturing cost.
Preferably, described in each, the number of vias of the first insulation course via structure is at least two.At least two via holes not only can guarantee good electric conductivity between the first electrode cabling and the first electrode wires of correspondence, and are conducive to reduce the impedance of the first electrode wires.
Preferably, described first substrate also comprises many grid lines and many second electrode cablings that arrange along second direction, described second direction and described first direction are arranged in a crossed manner, described many grid lines, described many second electrode cablings and described many data lines have defined and have been a plurality of sub-pixs unit that matrix is arranged, and each described first electrode cabling is between two adjacent row sub-pix unit; Described many second electrode cablings and described many grid lines are with layer setting, and each described second electrode cabling is realized conduction connection with a relative second insulation course via structure that also passes through in described the first electrode wires position.
In this scheme, many grid lines, many second electrode cablings, many data lines, many first electrode cablings form fenestral fabric, effectively reduce the impedance of the first electrode wires, and the second electrode cabling and grid line be positioned at layer, can not increase the thickness of touching display screen.
Optionally, described many grid lines are many group double-gate structures.
More excellent, described many grid lines and described many second electrode cabling materials are identical.Grid line and the second electrode cabling can made with in a composition technique, can not increase the usage quantity of mask plate and the complexity of increase technique, therefore, are conducive to save manufacturing cost.
Preferably, for each the first electrode cabling, the join domain correspondence of described FPC is provided with connecting line, realizes conduction connect between each described first electrode cabling and corresponding described connecting line by the 3rd insulation course via structure.When the first electrode cabling and data line are when making in a composition technique, this structure can make the cabling of the first electrode cabling tripping data line and the cabling of grid line, avoids being short-circuited, thereby has further ensured the electric reliability of product.
The utility model embodiment also provides a kind of touch control display apparatus, comprises the touching display screen described in aforementioned arbitrary technical scheme, and it is narrower that its side frame can design, and met greatly the narrow frame demand of user to touch control display apparatus.
Accompanying drawing explanation
Fig. 1 is the equivalent-circuit model schematic diagram of mutual capacitance type touch screen;
Fig. 2 is the plan structure schematic diagram of existing a kind of touching display screen;
Fig. 3 is the plan structure schematic diagram of the touching display screen of the utility model one embodiment;
Fig. 4 is the plan structure schematic diagram of the touching display screen of another embodiment of the utility model.
Reference numeral:
101-signal source 102-mutual capacitance 103-drive electrode line resistance
104-stray capacitance 105-exploring electrode line resistance 106-testing circuit
11-drive electrode line 12-side frame region 13-electrode cabling
14-viewing area 15-FPC 21-the first electrode wires
22-first electrode cabling 23-data line 24-the first insulation course via structure
25-grid line 26-the second electrode cabling 27-sub-pix unit
28-the second insulation course via structure 29-connecting line 30-the 3rd insulation course via structure
Embodiment
In order to reduce the side frame width of touch control display apparatus, meet the narrow frame demand of user to touch control display apparatus, the utility model embodiment provides a kind of touching display screen and touch control display apparatus.In technical solutions of the utility model, each first electrode cabling from viewing area the side near FPC directly draw, can not take the width of side frame, therefore, it is narrower that the side frame of touch control display apparatus can design, and greatly met the narrow frame demand of user to touch control display apparatus.For making the purpose of this utility model, technical scheme and advantage clearer, by the following examples the utility model is described in further detail.
As shown in Figure 3, the touching display screen that the utility model embodiment provides, comprising:
Many the first electrode wires 21 of horizontally set;
Be positioned at the FPC15 of 14 belows, viewing area;
The first electrode cablings 22 that the corresponding conduction of 21 of each first electrode wires connects, each described first electrode cabling 22 14 is drawn and is connected with described FPC15 conduction near a side of FPC15 from viewing area.
In this embodiment, the particular type of touching display screen is not limit, can, for the touching display screen (touch-screen separates making with display screen and then fits together) of external hanging type, can be also embedded touching display screen (for realizing the drive electrode line of touch controllable function and the substrate that exploring electrode line is arranged on display screen) for example.In the prior art, no matter be external hanging type touching display screen or embedded touch display screen, its drive electrode line is all connected with the FPC of below, viewing area by the electrode cabling in side frame region, is unfavorable for the narrow frame design of touch control display apparatus.And in the scheme of this embodiment, each first electrode cabling 22 14 is directly drawn near a side of FPC15 from viewing area, can not take the width of side frame, therefore, narrower (comparison diagram 2 and Fig. 3 are known) that the side frame of touch control display apparatus can design, has met the narrow frame demand of user to touch control display apparatus greatly.
The first electrode wires 21 can be drive electrode line (the second electrode wires of now hereinafter mentioning is exploring electrode line), can be also exploring electrode line (the second electrode wires of now hereinafter mentioning is drive electrode line).According to the concrete structure design of touching display screen, FPC15 both can design above viewing area 14 (i.e. the top of close touching display screen), also can design below viewing area 14 (i.e. the bottom margin of close touching display screen), its particular location is unrestricted.Each first electrode cabling 22 need to be from viewing area 14 be drawn near a side of FPC15, but its concrete cabling form is unrestricted, as long as the first electrode wires 21 of correspondence reliably can be connected with FPC15.
Preferably, described touching display screen is the embedded touch display screen of ADS display mode, comprises the relative first substrate in position (can with reference to shown in figure 4) and second substrate (not shown), wherein:
Described first substrate comprises described many tabular common electrode layer that the first electrode wires 21 forms, and the slit-shaped pixel electrode layer that is positioned at described common electrode layer top;
Described second substrate comprises many second electrode wires arranged in a crossed manner with described many first electrode wires 21.
First substrate refers to array base palte, and second substrate refers to color membrane substrates.Many the first electrode wires 21 of this programme are both as the main components that realizes touch controllable function, as tabular common electrode layer, be used for ADS(ADvanced Super Dimension Switch again, senior super Wei Chang conversion, be called for short ADS, ADS pattern is a kind of liquid crystal display pattern that can widen visual angle, its electric field producing by electric field that in same plane, gap electrode edge produces and gap electrode layer and plate electrode interlayer forms multi-dimensional electric field, make between the interior gap electrode of liquid crystal cell, directly over electrode, all aligned liquid-crystal molecules can both produce rotation, thereby improved liquid crystal work efficiency and increased light transmission efficiency) pattern demonstration.Embedded touch display screen is compared external hanging type touching display screen, there is the advantage that thickness is thinner, performance is higher, cost is lower, and the embedded touch display screen of ADS display mode has more high resolving power, high permeability, low-power consumption, wide visual angle, high aperture, low aberration, without advantages such as water of compaction ripples.
Please refer to shown in Fig. 4, described first substrate also comprises many data lines 23 that arrange along first direction; Each described first electrode cabling 22 arranges with layer with described many data lines 23 and is parallel to described many data lines 23, between each described first electrode cabling 22 and corresponding described the first electrode wires 21, by the first insulation course via structure 24, is realized and is conducted electricity connection.
The first insulation course via structure 24 refers to: the first electrode cabling 22 and data line 23 and the first electrode wires 21 are in different layers, between between it, be separated with insulation course, on insulation course, be provided with via hole, the first electrode cabling 22 is realized conduction with the first corresponding electrode wires 21 and is connected at via hole place.In this structure, the first electrode cabling 22 is positioned at layer with data line 23, can not increase the thickness of touching display screen, is conducive to the thin type development of touching display screen.
In a preferred embodiment, described the first electrode cabling 22 adopts identical material with described data line 23.The first electrode cabling 22 of this structure and data line 23 can made with in a composition technique, can not increase the usage quantity of mask plate and the complexity of increase technique, therefore, are conducive to save manufacturing cost.
In each first insulation course via structure 24, number of vias is not limit, for example, can be one, two, three etc., and preferably, described in each, the number of vias of the first insulation course via structure 24 is at least two.At least two via holes not only can guarantee good electric conductivity between the first electrode cabling 22 and the first electrode wires 21 of correspondence, and are conducive to reduce the impedance of the first electrode wires 21.
Shown in Fig. 4, described first substrate also comprises many grid lines 25 and many second electrode cablings 26 that arrange along second direction, described second direction and described first direction are arranged in a crossed manner, described many grid lines 25, described many second electrode cablings 26 and described many data lines 23 have defined and have been a plurality of sub-pixs unit 27 that matrix is arranged, and each described first electrode cabling 22 is between two adjacent row sub-pix unit 27; Described many second electrode cablings 26 and the same layer setting of described many grid lines 25, each described second electrode cabling 26 is relative also by the second insulation course via structure 28 realization conduction connections with described first electrode wires 21 positions.
The second insulation course via structure 28 need to connect the second electrode cabling 26 with the first corresponding electrode wires 21 conductions, to reduce the impedance of the first electrode wires 21, also can further the second electrode cabling 26 be connected with the first electrode cabling conduction, its concrete magnitude setting and setting position are unrestricted, similar with the first insulation course via structure 24, it is no longer repeated here.In this embodiment, every three row sub-pix unit are one group, are designed with a first electrode cabling 22 between two adjacent groups.It is worth mentioning that, the arrangement mode of the first electrode cabling 22 is not limited to this, for example, can also be that every six row sub-pix unit are one group, is designed with a first electrode cabling between two adjacent groups, and its concrete arrangement mode is relevant with the quantity of the first electrode wires.In this scheme, many grid lines 25, many second electrode cablings 26, many data lines 23, many first electrode cablings 22 form fenestral fabric, effectively reduce the impedance of the first electrode wires 21, and the second electrode cabling 26 is positioned at layer with grid line 25, can not increase the thickness of touching display screen.Described many grid lines 25 can be both many single grid structures, also can, for many group double-gate structures, be not specifically limited here.In the embodiment shown in fig. 4, many concrete employings of grid line 25 are organized double-gate structures more.
In a preferred embodiment, described many grid lines 25 and described many second electrode cabling 26 materials are identical.Grid line 25 and the second electrode cabling 26 can made with in a composition technique, can not increase the usage quantity of mask plate and the complexity of increase technique, therefore, are conducive to save manufacturing cost.
As shown in Figure 4, for each the first electrode cabling 22, the join domain correspondence of described FPC15 is provided with connecting line 29, realizes conduction connect between each described first electrode cabling 22 and corresponding described connecting line 29 by the 3rd insulation course via structure 30.The 3rd insulation course via structure 30 and the first insulation course via structure 24, the second insulation course via structure 28 are similar, and it is no longer repeated here.When the first electrode cabling 22 is made in a same composition technique with data line 23, this structure can make the first electrode cabling 22 cablings of tripping data line and cabling of grid line, avoids being short-circuited, thereby has further ensured the electric reliability of product.
Wherein, described first direction and second direction are arranged in a crossed manner.Preferably, the described first direction in the embodiment of the present invention is mutually vertical with second direction, and described first direction can be for laterally, and described second direction can be for longitudinally; Or described first direction can be for longitudinally, described second direction can be for laterally.
The utility model embodiment also provides a kind of touch control display apparatus, comprises the touching display screen of aforementioned arbitrary embodiment, and it is narrower that its side frame can design, and has met greatly the narrow frame demand of user to touch control display apparatus.Described touch control display apparatus can be: any product or parts with touch display function such as liquid crystal panel, Electronic Paper, oled panel, LCD TV, liquid crystal display, digital album (digital photo frame), mobile phone, panel computer.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (10)
1. a touching display screen, is characterized in that, comprising:
Many the first electrode wires of horizontally set;
Be positioned at the FPC above or below viewing area;
Each the first electrode wires the first electrode cabling of connecting of corresponding conduction, each described first electrode cabling is drawn near a side of described FPC from viewing area and is connected with described FPC conduction.
2. touching display screen as claimed in claim 1, is characterized in that, described touching display screen is the embedded touch display screen of ADS display mode, comprises first substrate and second substrate that position is relative, wherein:
Described first substrate comprises described many tabular common electrode layer that the first electrode wires forms, and the slit-shaped pixel electrode layer that is positioned at described common electrode layer top;
Described second substrate comprises many second electrode wires arranged in a crossed manner with described many first electrode wires.
3. touching display screen as claimed in claim 2, is characterized in that,
Described first substrate also comprises many data lines that arrange along first direction;
Each described the first electrode cabling and described many data lines arrange with layer and are parallel to described many data lines, between each described first electrode cabling and corresponding described the first electrode wires, by the first insulation course via structure, are realized and are conducted electricity connection.
4. touching display screen as claimed in claim 3, is characterized in that, described the first electrode cabling adopts identical material with described data line.
5. touching display screen as claimed in claim 3, is characterized in that, described in each, the number of vias of the first insulation course via structure is at least two.
6. touching display screen as claimed in claim 3, is characterized in that,
Described first substrate also comprises many grid lines and many second electrode cablings that arrange along second direction, described second direction and described first direction are arranged in a crossed manner, described many grid lines, described many second electrode cablings and described many data lines have defined and have been a plurality of sub-pixs unit that matrix is arranged, and each described first electrode cabling is between two adjacent row sub-pix unit;
Described many second electrode cablings and described many grid lines are with layer setting, and each described second electrode cabling is realized conduction connection with a relative second insulation course via structure that also passes through in described the first electrode wires position.
7. touching display screen as claimed in claim 6, is characterized in that, described many grid lines are many group double-gate structures.
8. touching display screen as claimed in claim 6, is characterized in that, described many grid lines and described many second electrode cabling materials are identical.
9. the touching display screen as described in claim 1～8 any one, is characterized in that,
For each the first electrode cabling, the join domain correspondence of described FPC is provided with connecting line, realizes conduction connect between each described first electrode cabling and corresponding described connecting line by the 3rd insulation course via structure.
10. a touch control display apparatus, is characterized in that, comprises the touching display screen as described in claim 1～9 any one.
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| CN201320555032.9U CN203480484U (en) | 2013-09-06 | 2013-09-06 | Touch display screen and touch display device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103472963A (en) * | 2013-09-06 | 2013-12-25 | 北京京东方光电科技有限公司 | Touch display screen and touch display device |
| US8866787B2 (en) | 2008-12-05 | 2014-10-21 | Apple Inc. | Integrated touch panel for a TFT display |
| CN104461152A (en) * | 2014-12-23 | 2015-03-25 | 昆山国显光电有限公司 | Touch display panel and touch display device |
| CN104503617A (en) * | 2014-12-26 | 2015-04-08 | 合肥鑫晟光电科技有限公司 | Frame structure for touch screens, manufacturing method thereof, touch screen and display device |
| US9367188B2 (en) | 2014-05-23 | 2016-06-14 | Apple Inc. | RC matching in a touch screen |
| CN105760035A (en) * | 2016-03-24 | 2016-07-13 | 京东方科技集团股份有限公司 | Touch control display panel and display device |
| US9395583B2 (en) | 2012-06-06 | 2016-07-19 | Apple Inc. | Column spacer design for a display incorporating a third metal layer |
| CN107516467A (en) * | 2017-09-21 | 2017-12-26 | 京东方科技集团股份有限公司 | A kind of array base palte and display device |
| US10268295B2 (en) | 2014-04-16 | 2019-04-23 | Apple Inc. | Structure for pixelated self-capacitance |
| CN109857279A (en) * | 2019-03-19 | 2019-06-07 | 厦门天马微电子有限公司 | Display panel and display device |
| US10852876B2 (en) | 2014-05-28 | 2020-12-01 | Apple Inc. | Narrow border touch screen |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US8866787B2 (en) | 2008-12-05 | 2014-10-21 | Apple Inc. | Integrated touch panel for a TFT display |
| US9395583B2 (en) | 2012-06-06 | 2016-07-19 | Apple Inc. | Column spacer design for a display incorporating a third metal layer |
| US10061164B2 (en) | 2012-06-06 | 2018-08-28 | Apple Inc. | Column spacer design for a display incorporating a third metal layer |
| CN103472963B (en) * | 2013-09-06 | 2016-05-11 | 北京京东方光电科技有限公司 | A kind of touching display screen and touch control display apparatus |
| US9542048B2 (en) | 2013-09-06 | 2017-01-10 | Boe Technology Group Co., Ltd. | Touch display panel and touch display apparatus |
| CN103472963A (en) * | 2013-09-06 | 2013-12-25 | 北京京东方光电科技有限公司 | Touch display screen and touch display device |
| US10268295B2 (en) | 2014-04-16 | 2019-04-23 | Apple Inc. | Structure for pixelated self-capacitance |
| US9367188B2 (en) | 2014-05-23 | 2016-06-14 | Apple Inc. | RC matching in a touch screen |
| US10345972B2 (en) | 2014-05-23 | 2019-07-09 | Apple Inc. | RC matching in a touch screen |
| US10852876B2 (en) | 2014-05-28 | 2020-12-01 | Apple Inc. | Narrow border touch screen |
| CN104461152A (en) * | 2014-12-23 | 2015-03-25 | 昆山国显光电有限公司 | Touch display panel and touch display device |
| CN104503617A (en) * | 2014-12-26 | 2015-04-08 | 合肥鑫晟光电科技有限公司 | Frame structure for touch screens, manufacturing method thereof, touch screen and display device |
| CN104503617B (en) * | 2014-12-26 | 2017-10-13 | 合肥鑫晟光电科技有限公司 | Border structure and its manufacture method, the touch-screen and display device of touch-screen |
| US10007367B2 (en) | 2014-12-26 | 2018-06-26 | Boe Technology Group Co., Ltd. | Bezel structure of touch screen and method for manufacturing the same, touch screen and display device |
| CN105760035B (en) * | 2016-03-24 | 2018-12-25 | 京东方科技集团股份有限公司 | A kind of touch-control display panel, display device |
| CN105760035A (en) * | 2016-03-24 | 2016-07-13 | 京东方科技集团股份有限公司 | Touch control display panel and display device |
| CN107516467A (en) * | 2017-09-21 | 2017-12-26 | 京东方科技集团股份有限公司 | A kind of array base palte and display device |
| CN109857279A (en) * | 2019-03-19 | 2019-06-07 | 厦门天马微电子有限公司 | Display panel and display device |
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