CN104750345A - Touch control panel and touch control display screen - Google Patents
Touch control panel and touch control display screen Download PDFInfo
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- CN104750345A CN104750345A CN201510144680.9A CN201510144680A CN104750345A CN 104750345 A CN104750345 A CN 104750345A CN 201510144680 A CN201510144680 A CN 201510144680A CN 104750345 A CN104750345 A CN 104750345A
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- control
- touch
- touch control
- input end
- contact panel
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04107—Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention provides a touch control panel and a touch control display screen. The touch control panel comprises touch control units, a control module and control switches, wherein the touch control units are matrix-shaped and used for receiving a touch control instruction of a user and generating touch control signals, the control module is used for receiving and analyzing touch control signals and comprises a time sequence signal input end, a plurality of touch control signal input ends, a plurality of control signal output ends and a digit signal output end, the time sequence signal input end is connected with a time sequence signal generator, the touch control signal input ends are connected with the output ends of the control switches, the control signal output ends are connected with the control ends of the control switches, the control signal output ends generate scanning clock signals according to time sequence signals generated by the time sequence signal generator, the input ends of the control switches are connected to the touch control unit, the output ends of the control switches are connected to one touch control signal input end, and the control ends of the control switches are connected with one control signal output end. The touch control panel and the touch control display screen are clear in wiring, small in occupied space and capable of improving the analysis speed of the control module and reducing the error rate.
Description
Technical field
The present invention relates to technical field of liquid crystal display, particularly a kind of contact panel and touching display screen.
Background technology
Along with the development of smart mobile phone and panel computer, contact panel by external hanging type (bybird touch panel) to embedded (integrated touch panel) evolution.Wherein embedded touch control panel is because of the framework mode difference of electric capacity, can be divided into mutual tolerance formula and self-tolerant two kinds.
The inductive layer of self-capacitance type touch panel is divided into M (number of lines) * N (column number) individual touch control unit, and each touch control unit is connected to the induction input end of control module by the induction channels (channel) be made up of metallic circuit.The Mobile phone touch control display screen that the 30 row * 18 of such as 5 cun arrange, it includes 540 touch control units, and accordingly, the induction input end of described control module then needs access 540 induction channels, and passage described to received signal carries out processing and analyzing.
But, too much induction channels is had in above-mentioned design, not only cause wiring confusion, institute take up space larger, and for the end for process of induction channels, i.e. control module, it needs more interface to receive and analyzes the signal coming from different induction channels, and treatment capacity is large and probability that is error is high.
Summary of the invention
In view of this, the invention provides a kind of contact panel and touching display screen, when being intended to not affect touch-control susceptibility, reduce the port of control module, not only make wiring more regular, take up space little but also reduce the processing pressure of control module.
For solving the problems of the technologies described above, embodiments providing a kind of contact panel, comprising multiple touch control unit, control module and multiple gauge tap, wherein:
Described touch control unit is rectangular, for receiving the touch command of user and producing touching signals;
Described control module, for receiving and analyzing described touching signals to produce digital signal, described control module comprises a clock signal input end, multiple touching signals input end, multiple control signal output terminal, and digital signal output terminal, described clock signal input end is connected to pulse signal generator, described touching signals input end is connected to the output terminal of gauge tap, described control signal output terminal is connected to the control end of gauge tap, the clock signal that wherein said control signal output terminal produces according to described pulse signal generator generates scan clock signal, and
The input end of described gauge tap is connected to described touch control unit, and multiple described gauge tap output terminal is connected to touching signals input end described in, and the control end of multiple described gauge tap connects control signal output terminal described in.
Preferably, the described touching signals input end of the described control module that different described touch control units is corresponding is different, or the described control signal output terminal of the described control module of correspondence is different.
Preferably, described contact panel, also comprises:
Processing unit, for receiving described digital signal, and according to the agreement preset, produces the process action that described touch command is corresponding.
Preferably, described touch control unit is the matrix that the capable * N of M arranges, and the M often arranged a described touch control unit forms a touch-control group;
Total number of the input end of described touch switch corresponds to M*N, and total number of the output terminal of described touch switch is N number of, and the total number of control end of described touch switch is M.
Preferably, described touch control unit is the matrix that the capable * N of M arranges, and often the N number of described touch control unit of row forms a touch-control group;
Total number of the input end of described touch switch corresponds to M*N, and total number of the output terminal of described touch switch is M, and the total number of control end of described touch switch is N number of.
Preferably, described scan clock signal, comprises a high level signal and a low level signal, wherein:
When described high level signal, described control module reads successively and often organizes touching signals that in touch-control group, each touch control unit exports, suspends read at described low level signal; Or
When described low level signal, described control module reads successively and often organizes touching signals that in touch-control group, each touch control unit exports, suspends read at described high level signal.
Preferably, described contact panel, also comprises:
Neutral earthing compensator, is connected to described control module and is looped around the periphery of described touch control unit.
For solving the problems of the technologies described above, the embodiment of the present invention additionally provides a kind of touching display screen, comprises above-mentioned contact panel, also comprises: the first polaroid, first substrate, liquid crystal layer, second substrate, the second polaroid and backlight module.
Preferably, in described touching display screen, described contact panel is between described first substrate and described liquid crystal layer.
Preferably, in described touching display screen, described contact panel is between described first polaroid and described first substrate.
Relative to prior art, contact panel of the present invention and touching display screen, by the design by gauge tap, input end number in control module is fallen sharply, not only make cost reduce, connect up clear, institute take up space little and also can also help improve control module analysis speed, reduce analysis fault rate.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below the accompanying drawing used required in embodiment is briefly described.Accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the circuit diagram of contact panel in the embodiment of the present invention one;
Fig. 2 is the enlarged diagram of contact panel part A in the embodiment of the present invention one;
Fig. 3 is the circuit diagram of contact panel in the embodiment of the present invention two;
Fig. 4 is scan clock signal and schematic diagram touch-control group being carried out to Time share scanning in the embodiment of the present invention two;
Fig. 5 is the schematic diagram of embedded touch display screen in the embodiment of the present invention three;
Fig. 6 is box above formula touching display screen schematic diagram in the embodiment of the present invention four.
Embodiment
What please refer in accompanying drawing is graphic, and wherein identical element numbers represents identical assembly.The following description is based on the illustrated specific embodiment of the invention, and it should not be regarded as limiting the present invention not at other specific embodiment that this describes in detail.
Embodiment one
Refer to Fig. 1, be depicted as the circuit diagram of contact panel in the present invention.
Described contact panel 10, comprises multiple touch control unit 11, control module 12 and multiple gauge tap 13.
Described touch control unit 11 is rectangular, for receiving the touch command of user and producing touching signals.
Be understandable that, described touch control unit 11 matrix that capable * N arranges in M, the M often arranged a described touch control unit 11 forms a touch-control group 110, or the touch control unit 11 of the N often gone forms a touch-control group 110.Certainly, also 2-10 touch-control group 110 can be formed by M the touch control unit 11 often arranged.The present embodiment is set forth often to arrange formation 1 touch-control group.
Described control module 12, for receiving and analyzing described touching signals to produce digital signal.Described control module 12 comprises a clock signal input end 121, multiple touching signals input end 122, multiple control signal output terminal 123 and a digital signal output terminal 124.
Be understandable that, described clock signal input end 121 is connected to pulse signal generator 14, described touching signals input end 122 is connected to the output terminal of gauge tap 13, described control signal output terminal 123 is connected to the control end of gauge tap 13, and the clock signal that wherein said control signal output terminal 123 produces according to described pulse signal generator 14 generates scan clock signal.
Be understandable that, described scan clock signal, comprise a high level signal and a low level signal, wherein: when described high level signal, described control module 12 reads successively and often organizes touching signals that in touch-control group 110, each touch control unit 11 exports, suspends read at described low level signal; Or when described low level signal, described control module 12 reads successively and often organizes touching signals that in touch-control group 110, each touch control unit 11 exports, suspends read at described high level signal.
Be understandable that, the described touching signals input end 122 of the described control module 12 of different described touch control unit 11 correspondences is different, or the described control signal output terminal 123 of the described control module 12 of correspondence is different.
Please refer to Fig. 2, be depicted as the enlarged diagram of gauge tap 13 part A in contact panel 10 in the embodiment of the present invention.Wherein, described gauge tap 13 comprise 13 input ends 131, with output terminal 132 and control end 133.
Described gauge tap input end 131 is connected to described touch control unit 11, and multiple described gauge tap output terminal 132 is connected to touching signals input end 122 described in, and multiple described gauge tap control end 133 connects control signal output terminal 123 described in.
Be understandable that, when the N number of described touch control unit 11 of often going forms a touch-control group 110, total number of described touch switch input end 131 corresponds to M*N, and total number of described touch switch output terminal 132 is N number of, and the total number of described touch switch control end 133 is M.When the N number of described touch control unit 11 of often going forms a touch-control group 110, total number of described touch switch input end 131 corresponds to M*N, and total number of described touch switch output terminal 132 is M, and the total number of described touch switch control end 133 is N number of.
Be understandable that, described touch control unit 11 is the electrod-arrays arranged in horizontal and vertical made by transparent conductive material (being generally ITO), these horizontal and vertical electrodes form electric capacity with ground 15 respectively, and this electric capacity is exactly usually said self-capacitance.When finger touch is to capacitance plate, the electric capacity of finger will be added in screen body capacitance, and screen body capacitance amount is increased.
The touch control detection mode of self-capacitance, is equivalent to the touch point on touch screen to project to X-axis and Y direction respectively, then calculates coordinate in X-axis and Y direction respectively, be finally combined into the coordinate of touch point.
Contact panel of the present invention, by the design by gauge tap, input end number in control module is fallen sharply, not only make cost reduce, connect up clear, institute take up space little and also can also help improve control module analysis speed, reduce analysis fault rate.
Embodiment two
Refer to Fig. 3, described a kind of contact panel for providing in the embodiment of the present invention.Described contact panel 10` not only comprises multiple touch control units 11, control module 12 and multiple gauge tap 13 in above-described embodiment one, also comprises further: processing unit 16, pulse signal generator 14, neutral earthing compensator 17.
Processing unit 16, for receiving described digital signal, and according to the agreement preset, produces the process action that described touch command is corresponding.
Be understandable that, described preset protocol may be touch-control mobile phone agreement, touch-control Television protocol, touch-control refrigerator display screen agreement etc., for by described digital signal and process action one_to_one corresponding.
Wherein, pulse signal generator 14, for generation of scan clock signal.
Be understandable that, described pulse signal generator 14 can be a separate modular, also can be integrated into the submodule in control module 12.
Refer to Fig. 4, be depicted as scan clock signal and a schematic diagram touch-control group being carried out to Time share scanning.In the present embodiment, scan clock signal V
comcomprise a high level signal and a low level signal.When described high level signal, control module reads the touching signals V that in each touch-control group, each touch control unit exports successively
mux1~ V
mux5, and when low level signal suspend read.In other embodiments, carry out described reading when described control module can also be arranged on described low level signal, and suspend when high level signal.Or described clock signal Vcom comprises many group high level signals and organizes low level signal more, and reads successively according to the change of described level.
Be understandable that, by the multiple touch control units 11 in row or a line are merged into touch-control group 110, and by the extra scan clock signal increased, the touch control unit in touch-control group 110 is carried out to the distribution of sweep time, to reduce the induction input end quantity of control module 14.
For Fig. 4, the port of control module 12 reduces to 4+5=9 from 4*5=20, namely the port of control module 14 is from the line number * columns of original touch control unit 11, become line number+columns, reduce the amount of analysis of control module 12, provide analysis speed, and reduce fault rate, and more easily carry out wires design.
In addition, the ground wire 15 mentioned in embodiment one can also be made one group of neutral earthing compensator 17.Described neutral earthing compensator 17 is connected to described control module 14, and the matrix being looped around described touch control unit 11 is peripheral, namely saves space, and conduction evenly again.
Embodiment three
Refer to Fig. 5, be depicted as the schematic diagram of embedded in the embodiment of the present invention (in-Cell) touching display screen.
Described touching display screen 500, from touch-control finger side to backlight side, comprises: the first polaroid 2, first substrate 3, contact panel 1, liquid crystal layer 4, second substrate 5, second polaroid 6 and backlight module 7 successively.
Wherein, the structure of described contact panel 1 can refer to the contact panel 10 of embodiment one or the contact panel 10` of embodiment two, does not repeat them here.
Be understandable that, described contact panel 1 between described first substrate 3 and described liquid crystal layer 4, to form embedded touch display screen.Embedded touch display screen, has the advantage that anti-noise jamming is strong, technique is more frivolous.
Touching display screen of the present invention, by the design by gauge tap, input end number in control module is fallen sharply, not only make cost reduce, connect up clear, institute take up space little and also can also help improve control module analysis speed, reduce analysis fault rate.
Embodiment four
Refer to Fig. 6, be depicted as box above formula (on-Cell) touching display screen schematic diagram in the embodiment of the present invention.
Described touching display screen 600, from touch-control finger side to backlight side, comprises: the first polaroid 2, contact panel 1, first substrate 3, liquid crystal layer 4, second substrate 5, second polaroid 6 and backlight module 7 successively.
Wherein, the structure of described contact panel 1 can contact panel 10 or the contact panel 10` of embodiment two, do not repeat them here.
Be understandable that, described contact panel 1 between described first polaroid 2 and described first substrate 3, to form box above formula touching display screen.Box above formula touching display screen, has that susceptibility is high, the advantage of touch-control excellent performance.
Touching display screen of the present invention, by the design by gauge tap, input end number in control module is fallen sharply, not only make cost reduce, connect up clear, institute take up space little and also can also help improve control module analysis speed, reduce analysis fault rate.
Be understandable that: although each embodiment stress difference, its design philosophy is consistent, does not have the part described in detail in certain embodiment, see instructions detailed description in full, can repeat no more.
In sum; although the present invention discloses as above with preferred embodiment; but above preferred embodiment is also not used to limit the present invention; the common test personnel of this area; without departing from the spirit and scope of the present invention; all can do various change and retouching, the scope that therefore protection scope of the present invention defines with claim is as the criterion.
Claims (10)
1. a contact panel, is characterized in that, comprises multiple touch control unit, control module and multiple gauge tap, wherein:
Described touch control unit is rectangular, for receiving the touch command of user and producing touching signals;
Described control module, for receiving and analyzing described touching signals to produce digital signal, described control module comprises a clock signal input end, multiple touching signals input end, multiple control signal output terminal, and digital signal output terminal, described clock signal input end is connected to pulse signal generator, described touching signals input end is connected to the output terminal of gauge tap, described control signal output terminal is connected to the control end of gauge tap, the clock signal that wherein said control signal output terminal produces according to described pulse signal generator generates scan clock signal, and
The input end of described gauge tap is connected to described touch control unit, and multiple described gauge tap output terminal is connected to touching signals input end described in, and the control end of multiple described gauge tap connects control signal output terminal described in.
2. contact panel as claimed in claim 1, is characterized in that, the described touching signals input end of the described control module that different described touch control units is corresponding is different, or the described control signal output terminal of the described control module of correspondence is different.
3. contact panel as claimed in claim 1, is characterized in that, also comprise:
Processing unit, for receiving described digital signal, and according to the agreement preset, produces the process action that described touch command is corresponding.
4. contact panel as claimed in claim 1, is characterized in that:
Described touch control unit is the matrix that the capable * N of M arranges, and the M often arranged a described touch control unit forms a touch-control group;
Total number of the input end of described touch switch corresponds to M*N, and total number of the output terminal of described touch switch is N number of, and the total number of control end of described touch switch is M.
5. contact panel as claimed in claim 1, is characterized in that:
Described touch control unit is the matrix that the capable * N of M arranges, and often the N number of described touch control unit of row forms a touch-control group;
Total number of the input end of described touch switch corresponds to M*N, and total number of the output terminal of described touch switch is M, and the total number of control end of described touch switch is N number of.
6. the contact panel as described in claim 4 or 5, is characterized in that, described scan clock signal, comprises a high level signal and a low level signal, wherein:
When described high level signal, described control module reads successively and often organizes touching signals that in touch-control group, each touch control unit exports, suspends read at described low level signal; Or
When described low level signal, described control module reads successively and often organizes touching signals that in touch-control group, each touch control unit exports, suspends read at described high level signal.
7. contact panel as claimed in claim 1, is characterized in that, also comprise:
Neutral earthing compensator, is connected to described control module and is looped around the periphery of described touch control unit.
8. a touching display screen, is characterized in that, comprises the contact panel according to any one of claim 1 ~ 7, also comprises: the first polaroid, first substrate, liquid crystal layer, second substrate, the second polaroid and backlight module.
9. touching display screen as claimed in claim 8, it is characterized in that, described contact panel is between described first substrate and described liquid crystal layer.
10. touching display screen as claimed in claim 8, it is characterized in that, described contact panel is between described first polaroid and described first substrate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510144680.9A CN104750345A (en) | 2015-03-30 | 2015-03-30 | Touch control panel and touch control display screen |
| PCT/CN2015/075947 WO2016155031A1 (en) | 2015-03-30 | 2015-04-07 | Touch panel and touch display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510144680.9A CN104750345A (en) | 2015-03-30 | 2015-03-30 | Touch control panel and touch control display screen |
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| CN104750345A true CN104750345A (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510144680.9A Pending CN104750345A (en) | 2015-03-30 | 2015-03-30 | Touch control panel and touch control display screen |
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| CN (1) | CN104750345A (en) |
| WO (1) | WO2016155031A1 (en) |
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| CN105159513A (en) * | 2015-09-15 | 2015-12-16 | 武汉华星光电技术有限公司 | Array substrate, self-contained touch control display panel and electronic device |
| CN106933396A (en) * | 2015-12-30 | 2017-07-07 | 小米科技有限责任公司 | Touch-control display module and method of toch control, device, electronic equipment |
| CN107920751A (en) * | 2015-09-04 | 2018-04-17 | 国立研究开发法人科学技术振兴机构 | Connector base board, sensing system and wearable sensing system |
| TWI626572B (en) * | 2017-03-01 | 2018-06-11 | Display module and its drive control circuit |
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| Publication number | Publication date |
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| WO2016155031A1 (en) | 2016-10-06 |
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