CN106648234A - Touch panel and display device - Google Patents
Touch panel and display device Download PDFInfo
- Publication number
- CN106648234A CN106648234A CN201611183576.1A CN201611183576A CN106648234A CN 106648234 A CN106648234 A CN 106648234A CN 201611183576 A CN201611183576 A CN 201611183576A CN 106648234 A CN106648234 A CN 106648234A
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- Prior art keywords
- touch
- control grid
- contact panel
- common electrode
- black
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- 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
- G06F3/0412—Digitisers structurally integrated in a display
-
- 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
- G02F1/13338—Input devices, e.g. touch panels
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Position Input By Displaying (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides a touch panel and a display device. The touch panel comprises an array substrate and a color film substrate, wherein the array substrate comprises a first substrate, a TFT structure layer, an insulating layer, a pixel electrode layer and a common electrode layer; the common electrode layer comprises a plurality of horizontal common electrode lines and a plurality of vertical common electrode lines, one vertical common electrode line is arranged above each data line correspondingly, the horizontal common electrode lines and the vertical common electrode lines are connected in a crossed manner, and a plurality of mutually independent touch grid cells are formed at intervals; a plurality of black matrix layers are arranged on the color film substrate, and the black matrix layers are used for shading gate lines; a disconnected area is formed between every two adjacent touch grid cells in the vertical direction, and the disconnected areas are positioned at corresponding positions below the black matrix layer. The touch panel solves the problem that a touch panel of a DBS technology in the prior art needs the addition of one or more photomask layers so as to form a plurality of induction electrodes of a capacitor.
Description
【Technical field】
The present invention relates to liquid panel technique field, more particularly to a kind of contact panel and display device.
【Background technology】
Contact panel is widely used in the various electronic installations with display screen, such as smart mobile phone, TV, PDA, flat
Plate computer, notebook computer, show comprising industry and touch computer or the electronics such as machining tool, Integral computer and ultrabook
Equipment etc..Contact panel can be divided into condenser type, resistance-type and surface optical waves type etc. according to operation principle.Capacitance touching control face
Plate is operated using the electric current sensing of human body.When finger is touched on the metal layer, due to human body electric field, user and touch
Control panel surface is formed with a coupled capacitor, and for high frequency electric, electric capacity is direct conductor, and then finger is from contact point
Siphon away the electric current of a very little.Flow out in this electric current electrode respectively from the corner of contact panel, and flow through this four
The electric current of electrode is directly proportional to the distance of finger to corner, and controller is drawn by the accurate calculating to this four current ratios
The position of touch point.
When capacitance plate is designed, it will usually additionally increase one or more layers light shield for forming the induction electrode of electric capacity.DBS
The pixel of (Data Line BM Less) is mainly designed to be taken in data wire (Data line) top common electrode (Com ITO)
For black matrix" (BM) shading, the data wire contraposition deviation of the same array base paltes of the BM (Array) of color membrane substrates (CF) can be overcome
Cause the related problem of light leak occur, the technology is widely used in flat Qu Gongyong product designs, and its common electrode is in array base palte
In mesh design.However, this contact panel based on DBS technologies of prior art has a problem that, exactly need extra
Increase one or more layers light shield for forming multiple induction electrodes of electric capacity, each one touch point of induction electrode correspondence.So
Increase the making step of contact panel, it is also desirable to consume more materials.
【The content of the invention】
It is an object of the invention to provide a kind of contact panel and display device, to solve prior art in, DBS technologies
Contact panel needs additionally to increase multiple induction electrodes of one or more layers light shield for forming electric capacity, each induction electrode correspondence
One touch point, so that needing the making step for increasing contact panel, it is also desirable to consume the problem of more materials.
Technical scheme is as follows：
A kind of contact panel, including array base palte and color membrane substrates, and located at the array base palte and the color membrane substrates
Between liquid crystal；Wherein,
The array base palte includes first substrate, the TFT structure layer on the first substrate, ties located at the TFT
Insulating barrier on structure layer and pixel electrode layer and common electrode layer on the insulating barrier；
Wherein, gate line and a plurality of vertical direction of the array base palte including a plurality of horizontal direction of the arrangement that intersects
Data wire, the common electrode layer includes a plurality of cross-coupled horizontal common-battery polar curve and a plurality of vertical common-battery polar curve, a plurality of institute
State horizontal common-battery polar curve to be spaced to form multiple separate touch-control grid cells with a plurality of vertical common-battery polar curve, and arbitrarily
Two touch-control grid cells are spaced from each other, and each described touch-control grid cell is connected respectively with touch chip；
Wherein, a plurality of vertical common-battery polar curve is corresponded with a plurality of data wire, and per vertical common-battery described in bar
Polar curve carries out shading to the corresponding data wire；
The color membrane substrates include second substrate and the multiple black-matrix layers on the second substrate, multiple described
Black-matrix layer is corresponded with a plurality of gate line, and each described black-matrix layer is to the corresponding grid
Line carries out shading；
Wherein, in the separated from each other formation discontiguous area of the two neighboring touch-control grid cell of vertical direction, the interruption
Region is located at black-matrix layer lower section correspondence position, and each described black-matrix layer is to the corresponding discontiguous area
Carry out shading.
Preferably, it is equipped with the unconnected area per corresponding each described touch-control grid cell in gate line top described in bar
Domain.
Preferably, vertically, the width of each discontiguous area is less than the width of the black-matrix layer, each
The area of the corresponding black-matrix layer in the little side thereon of area of the discontiguous area.
Preferably, the black-matrix layer is light-proof material, and the making material of the common electrode layer is ITO materials, institute
State black-matrix layer to be located on the color membrane substrates.
Preferably, each described touch-control grid cell is integrated.
Preferably, multiple touch-control grid cells form the matrix arrangement of multiple lines and multiple rows, the touch-control of adjacent rows
It is separated from each other between two adjacent touch-control grid cells of each column to form the discontiguous area in grid cell.
Preferably, in the horizontal direction, the spacing of the adjacent two row touch-control grid cell is adjacent two data wires
Between spacing.
Preferably, the pixel electrode layer is in same aspect with the common electrode layer.
Preferably, the horizontal common-battery polar curve is in same aspect with the vertical common-battery polar curve, and by same making
Step is made.
A kind of display device, it includes the contact panel described in any of the above-described.
Beneficial effects of the present invention：
A kind of contact panel and display device of the present invention, by being provided with above every data line and its form fit
Vertically common-battery polar curve, makes a plurality of vertical common-battery polar curve and a plurality of horizontal common-battery polar curve interconnection, interval be formed multiple mutually only
Vertical touch-control grid cell, and touch-control grid cell is spaced from each other described in any two, each described touch-control grid cell difference
It is connected with touch chip, in solving prior art, the contact panel of DB S technologies needs additionally to increase one or more layers light shield
For forming multiple induction electrodes of electric capacity, each one touch point of induction electrode correspondence, so that needing to increase contact panel
Making step, it is also desirable to consume the problem of more materials.
【Description of the drawings】
Fig. 1 is a kind of multiple touch-control grid cell combination diagrams of the contact panel of the embodiment of the present invention；
Fig. 2 is another kind of multiple touch-control grid cell combination diagrams of the contact panel of the embodiment of the present invention；
Fig. 3 is the black-matrix layer of the contact panel of the embodiment of the present invention to the two neighboring touch-control grid cell of vertical direction
The schematic diagram of the discontiguous area shading of formation；
Fig. 4 is the touch-control fundamental diagram of the touch-control grid cell of the contact panel of the embodiment of the present invention；
Fig. 5 is the common electrode layer signal graph of the touch-control grid cell of the contact panel of the embodiment of the present invention；
Fig. 6 is the pixel design principle figure of the contact panel of the embodiment of the present invention.
【Specific embodiment】
The explanation of following embodiment is the particular implementation implemented to illustrate the present invention may be used to reference to additional schema
Example.The direction term that the present invention is previously mentioned, for example " on ", D score, "front", "rear", "left", "right", " interior ", " outward ", " side "
Deng being only the direction with reference to annexed drawings.Therefore, the direction term for using is to illustrate and understand the present invention, and is not used to
Limit the present invention.In figure, the similar unit of structure is represented with identical label.
Embodiment one
Fig. 1, Fig. 2 and Fig. 3 are refer to, Fig. 1 is a kind of multiple touch-control grid cells of the contact panel of the embodiment of the present invention
10 combination diagrams, this touch-control grid cell 10 rectangular shape on the whole.
Fig. 2 is another kind of multiple combination diagrams of touch-control grid cell 10 of the contact panel of the embodiment of the present invention, this
Touch-control grid cell 10 assumes diamond in shape on the whole shape.
Fig. 3 is the black-matrix layer 30 of the contact panel of the embodiment of the present invention to the two neighboring touch-control grid list of vertical direction
The schematic diagram of the shading of discontiguous area 20 that unit 10 is formed.Can see from Fig. 1, Fig. 2 and Fig. 3：
A kind of contact panel of the present invention, including array base palte and color membrane substrates, and located at the array base palte with it is described
Liquid crystal between color membrane substrates；Wherein,
The array base palte includes first substrate, the TFT structure layer on the first substrate, ties located at the TFT
Insulating barrier on structure layer and pixel electrode layer and common electrode layer on the insulating barrier；
Wherein, the array base palte include intersect arrangement a plurality of horizontal direction gate line (not indicating in figure) with
The data wire (not indicating in figure) of a plurality of vertical direction, the common electrode layer includes a plurality of cross-coupled horizontal common-battery polar curve 12
And a plurality of vertical common-battery polar curve 11, it is many that a plurality of horizontal common-battery polar curve 12 is spaced formation with a plurality of vertical common-battery polar curve 11
Individual separate touch-control grid cell 10, and touch-control grid cell 10 is spaced from each other described in any two, each described touch-control
Grid cell 10 is connected respectively with touch chip, and each described touch-control grid cell 10 is by its touch-control connector 13 and wire point
It is not connected with touch chip.；
Wherein, a plurality of vertical common-battery polar curve 11 is corresponded with a plurality of data wire, and per vertically common described in bar
Electrode wires 11 carry out shading to the corresponding data wire；
The color membrane substrates include second substrate and the multiple black-matrix layers 30, Duo Gesuo on the second substrate
State black-matrix layer 30 to correspond with a plurality of gate line, and each described black-matrix layer 30 is to corresponding institute
Stating gate line carries out shading；
Wherein, discontiguous area 20 is formed the two neighboring touch-control grid cell 10 of vertical direction is separated from each other, it is described
Discontiguous area 20 is located at the lower section correspondence position of the black-matrix layer 30, and each described black-matrix layer 30 is to corresponding institute
Stating discontiguous area 20 carries out shading.
In the present embodiment, it is equipped with per corresponding each described touch-control grid cell 10 in gate line top described in bar described
Discontiguous area 20.
In the present embodiment, the width of each discontiguous area 20 is less than the width of the black-matrix layer 30, each
The area of the corresponding black-matrix layer 30 in the little side thereon of area of the discontiguous area 20.In a word, the black matrix"
Layer 30 can completely cover the discontiguous area 20 makes its not light leak.
In the present embodiment, the black-matrix layer 30 is light-proof material, and the making material of the common electrode layer is adopted
ITO materials, the black-matrix layer 30 is on the color membrane substrates.
In the present embodiment, each described touch-control grid cell 10 is integrated.Integral structure is formed as one
Individual overall touch point, it is easier to precise positioning position of touch.
In the present embodiment, multiple touch-control grid cells 10 form the matrix arrangement of multiple lines and multiple rows, adjacent rows
In the touch-control grid cell 10, between two adjacent touch-control grid cells 10 of each column described in separated from each other formation between
Disconnected region 20.
In the present embodiment, in the horizontal direction, the spacing of the adjacent two row touch-control grid cell 10 is adjacent two numbers
According to the distance between the spacing between line, i.e., two neighboring vertical common-battery polar curve 11.
In the present embodiment, the pixel electrode layer and the common electrode layer are in same aspect, and so the rwo can be with
Made by same making step, greatly reduce cost of manufacture.
In the present embodiment, the horizontal common-battery polar curve 12 is in same aspect with the vertical common-battery polar curve 11, and leads to
Cross same making step to make.The vertical common-battery polar curve 11 is formed with the horizontal common electrode layer by unified light shield manufacture,
Greatly reduce cost of manufacture.
The present invention is corresponding below black-matrix layer 30 while the touch-control grid cell 10 of multiple independent controls is formed
Place arranges discontiguous area 20 (including the discontiguous area 20 of itself of touch-control grid cell 10 each described), realizes using black square
Battle array layer 30 carries out shading in discontiguous area 20, solves the leakage problem of the corresponding described data wire of discontiguous area 20, there is guarantor
The independence of the touch-control performance between each touch-control grid cell 10 is demonstrate,proved.
As shown in figure 4, touch-control operation principles of the Fig. 4 for the touch-control grid cell 10 of the contact panel of the embodiment of the present invention
Figure, it is self-capacitance touch-control principle.Com ITO and the electric capacity that ground (GND) is constituted are Cp before finger (Finger) touch-control.Work as hand
When referring to touch contact panel, finger can occur Capacitance Coupled with Com ITO and ground, and electric capacity Cf, Com ITO after touch are formed respectively
It is Cp+Cf/2 with the capacitance variations on ground, that is, ComITO changes with the electric capacity between ground before and after touching, and is connected by Com ITO
In leading to touch chip, touch chip can detect capacitance variations and bring change in electric, and then confirm touch-control site.
Refer to the common electrode layer of Fig. 5 and Fig. 6, Fig. 5 for the touch-control grid cell 10 of the contact panel of the embodiment of the present invention
Signal graph, Fig. 6 designs general principle figure for the pixel of the contact panel of the embodiment of the present invention.
Fig. 5 is the oscillogram of common electrode (Com ITO) layer signal of 1 frame picture, is divided into two stages, and the last stage shows
(Display) chip supply Com ITO direct current signals, for normal display, rear stage touch-control (Touch) supplies the sine of touch-control
Signal, when finger touch screen, electric capacity increases, and corresponding sinusoidal signal changes (become apparent from relative to direct current signal)
Can be detected by touch chip, so that it is determined that touch-control site.Fig. 6 is the circuit diagram of pixel, and liquid crystal deflection receives pixel electrode
(PE) the potential difference control and ComITO between, determines display effect.When Com ITO signals are when DC is changed into sine wave, PE's
Voltage is subject to the Capacitance Coupled effect of Cst also to make corresponding change, and the variable quantity for setting Com ITO and PE voltages is used respectively
Δ Vcom, Δ VPE represents that relation between the two is：
Δ VPE=Δ Vcom*Cst/Ctotal, Ctotal are all electric capacity sum (Cst, Clc, the Cgs formed with PE
Deng), because Cst it is larger, Cst/Ctotal >=90%, so Δ VPE ≈ Δ vcom, therefore Com point positions by DC signal intensities for just
During string ripple, difference Δ (VPE-Vcom) the ≈ 0V of PE and Com current potentials, the i.e. change of Com signals is not interfered between PE and Com ITO
Potential difference, display effect is not interfered with, so in Touch signal phases, panel still can normally show.
A kind of contact panel of the present invention, by being provided with the vertical common electrode with its form fit above every data line
Line 11, makes a plurality of vertical common-battery polar curve 11 and the interconnection of a plurality of horizontal common-battery polar curve 12, interval form multiple separate
Touch-control grid cell 10, and touch-control grid cell 10 is spaced from each other described in any two, each 10 points of described touch-control grid cell
It is not connected with touch chip, in solving prior art, the contact panel of DB S technologies needs additionally to increase one or more layers light
Cover is used for forming multiple induction electrodes of electric capacity, each one touch point of induction electrode correspondence, so that needing to increase contact panel
Making step, it is also desirable to consume the problem of more materials.
Embodiment two
The present embodiment provides a kind of display device, and it includes the contact panel described in embodiment one, and the contact panel is
It has been described in detail in embodiment one, here is no longer described.
A kind of display device of the present invention, its contact panel above every data line by by being provided with and its profile
The vertical common-battery polar curve 11 for coordinating, makes a plurality of vertical common-battery polar curve 11 and the interconnection of a plurality of horizontal common-battery polar curve 12, is spaced shape
Into multiple separate touch-control grid cells 10, and touch-control grid cell 10 is spaced from each other described in any two, described in each
Touch-control grid cell 10 is connected respectively with touch chip, and in solving prior art, the contact panel of DBS technologies needs extra increasing
Plus one or more layers light shield is used for forming multiple induction electrodes of electric capacity, each one touch point of induction electrode correspondence, so that needing
Increase the making step of contact panel, it is also desirable to consume the problem of more materials.
In sum, although the present invention it is disclosed above with preferred embodiment, but above preferred embodiment and be not used to limit
The system present invention, one of ordinary skill in the art without departing from the spirit and scope of the present invention, can make various changes and profit
Adorn, therefore protection scope of the present invention is defined by the scope that claim is defined.
Claims (10)
1. a kind of contact panel, it is characterised in that including array base palte and color membrane substrates, and located at the array base palte with it is described
Liquid crystal between color membrane substrates；Wherein,
The array base palte is including first substrate, the TFT structure layer on the first substrate, located at the TFT structure layer
On insulating barrier and pixel electrode layer and common electrode layer on the insulating barrier；
Wherein, the array base palte includes the gate line of a plurality of horizontal direction of the arrangement that intersects and the number of a plurality of vertical direction
According to line, the common electrode layer includes a plurality of cross-coupled horizontal common-battery polar curve and a plurality of vertical common-battery polar curve, a plurality of water
Flat common-battery polar curve is spaced to form multiple separate touch-control grid cells with a plurality of vertical common-battery polar curve, and any two
The touch-control grid cell is spaced from each other, and each described touch-control grid cell is connected respectively with touch chip；
Wherein, a plurality of vertical common-battery polar curve is corresponded with a plurality of data wire, and per vertical common-battery polar curve described in bar
Shading is carried out to the corresponding data wire；
The color membrane substrates include second substrate and the multiple black-matrix layers on the second substrate, multiple black
Matrix layer is corresponded with a plurality of gate line, and each described black-matrix layer is entered to the corresponding gate line
Row shading；
Wherein, in the separated from each other formation discontiguous area of the two neighboring touch-control grid cell of vertical direction, the discontiguous area
Positioned at black-matrix layer lower section correspondence position, each described black-matrix layer is carried out to the corresponding discontiguous area
Shading.
2. contact panel according to claim 1, it is characterised in that corresponding described in each per gate line top described in bar
Touch-control grid cell is equipped with the discontiguous area.
3. contact panel according to claim 1 and 2, it is characterised in that vertically, each discontiguous area
Width is less than the width of the black-matrix layer, the little corresponding black square in side thereon of area of each discontiguous area
The area of battle array layer.
4. contact panel according to claim 1, it is characterised in that the black-matrix layer is light-proof material, described
The making material of common electrode layer is ITO materials, and the black-matrix layer is on the color membrane substrates.
5. contact panel according to claim 1, it is characterised in that the integrated knot of each described touch-control grid cell
Structure.
6. contact panel according to claim 1, it is characterised in that multiple touch-control grid cells form multiple lines and multiple rows
Matrix arrangement, in the touch-control grid cell of adjacent rows, between two adjacent touch-control grid cells of each column
It is separated from each other to form the discontiguous area.
7. contact panel according to claim 1, it is characterised in that in the horizontal direction, the adjacent two row touch-control grid
The spacing of unit is the spacing between adjacent two data wires.
8. contact panel according to claim 1, it is characterised in that the pixel electrode layer is in the common electrode layer
Same aspect.
9. contact panel according to claim 1, it is characterised in that the horizontal common-battery polar curve and the vertical common electrode
Line is in same aspect, and is made by same making step.
10. a kind of display device, it is characterised in that it includes the contact panel described in any one of claim 1～9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183576.1A CN106648234A (en) | 2016-12-20 | 2016-12-20 | Touch panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183576.1A CN106648234A (en) | 2016-12-20 | 2016-12-20 | Touch panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106648234A true CN106648234A (en) | 2017-05-10 |
Family
ID=58833493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611183576.1A Pending CN106648234A (en) | 2016-12-20 | 2016-12-20 | Touch panel and display device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106648234A (en) |
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| CN107290909A (en) * | 2017-06-30 | 2017-10-24 | 深圳市华星光电技术有限公司 | Array base palte and liquid crystal display panel |
| CN107861286A (en) * | 2017-12-08 | 2018-03-30 | 深圳市华星光电技术有限公司 | Display panel |
| WO2021179403A1 (en) * | 2020-03-09 | 2021-09-16 | Tcl华星光电技术有限公司 | Liquid crystal display panel |
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| US11852936B2 (en) | 2020-03-09 | 2023-12-26 | Tcl China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display panel |
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Application publication date: 20170510 |