CN103293780A - touch control liquid crystal display device - Google Patents
touch control liquid crystal display device Download PDFInfo
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- CN103293780A CN103293780A CN2012102851409A CN201210285140A CN103293780A CN 103293780 A CN103293780 A CN 103293780A CN 2012102851409 A CN2012102851409 A CN 2012102851409A CN 201210285140 A CN201210285140 A CN 201210285140A CN 103293780 A CN103293780 A CN 103293780A
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- 239000011159 matrix material Substances 0.000 claims abstract description 28
- 238000009413 insulation Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 3
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- 238000011161 development Methods 0.000 description 2
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- 239000002184 metal Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
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- 230000035945 sensitivity Effects 0.000 description 2
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- 230000000007 visual effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
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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
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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
- G02F1/13338—Input devices, e.g. touch panels
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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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
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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
- G06F3/044—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
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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Abstract
The invention discloses a touch liquid crystal display device, comprising: the first substrate and the second substrate are oppositely arranged; a liquid crystal layer disposed between the first substrate and the second substrate; a plurality of driving electrodes arranged in a matrix and a plurality of sensing electrodes arranged in a matrix are arranged on the inner side of the first substrate; the driving electrodes are electrically connected through driving connecting wires to form a plurality of driving wires in the X direction; the induction electrodes are electrically connected through induction connecting wires to form a plurality of induction wires in the Y direction; a plurality of scanning lines in the X direction and a plurality of data lines in the Y direction are arranged on the inner side of the second substrate; wherein the driving electrode and the sensing electrode do not overlap with the scan line and the data line. Because the driving electrode and the induction electrode in the touch liquid crystal display device provided by the invention are not overlapped with the scanning line and the data line, the interference effect in the whole touch liquid crystal display device is small.
Description
Technical field
The present invention relates to touch-control and show the field, particularly relate to a kind of touch control liquid crystal display device.
Background technology
Since 1974 resistance type touch control screens that occur in the world the earliest, touch technology is through development by leaps and bounds, and industry has produced such as polytype products such as condenser type, resistance-type, infrared type and sound wave types at present.Wherein capacitance type touch control screen becomes currently marketed main product owing to have accurately sensitive, advantages such as touch feeling is good, long service life and support multi-point touch of location.
Capacitive touch screen is divided into self-capacitance formula and mutual capacitance type.Because the mutual capacitance type touch-screen can be realized multi-point touch, thereby the mutual capacitance type touch-screen becomes main flow and developing tendency in future on the capacitive touch screen market.
What the mutual capacitance type touch-screen overwhelming majority adopted at present is the structure of external hanging type, is about to touch panel and fits in the display panel outside.But the structure of this external hanging type increases thickness and the weight of whole display inevitably, causes the decline of transmittance, does not meet the requirement of the lightening development trend of display.Simultaneously, the structure of this external hanging type causes the number of plies of whole display contact panel more, causes the decline of transmittance, has a strong impact on the display effect of display.
Therefore industry has proposed embedded (in-cell) formula mutual capacitance touch screen, is about to mutual capacitance touch-control device and is integrated in display panel inside.For the touch screen that display panel is display panels, divide from structure, its embedded mutual capacitance touch screen can be divided at present mutual capacitance touch-control device is integrated in liquid crystal panel upper substrate inboard, perhaps mutual capacitance touch-control device is integrated in liquid crystal panel infrabasal plate inboard, perhaps the different piece (as drive electrode and induction electrode) of mutual capacitance touch-control device is integrated in the situations such as upper and lower base plate inboard of liquid crystal panel respectively.
Yet there is interaction between inner touch-control device and the display device in existing embedded mutual capacitance touch screen display device and produces the problem of serious phase mutual interference.
Summary of the invention
Interaction produces the problem of serious mutual interference mutually with display device in order to solve the inner touch-control device of existing embedded mutual capacitance touch control display apparatus, the invention provides a kind of touch control liquid crystal display device, comprising:
First substrate that is oppositely arranged and second substrate;
Be arranged at the liquid crystal layer between described first substrate and described second substrate;
The inboard of described first substrate is provided with a plurality of induction electrodes that a plurality of drive electrodes that matrix arranges and matrix are arranged; Described drive electrode is electrically connected by driving connecting line, forms the drive wire of many directions Xs; Described induction electrode is electrically connected by the induction connecting line, forms the line of induction of many Y-directions;
The inboard of described second substrate is provided with the sweep trace of many directions Xs and the data line of many Y-directions;
Wherein, described drive electrode and described induction electrode are not overlapping with described sweep trace and described data line.
Preferably, be provided with latticed black matrix between described drive wire and the described line of induction and described first substrate, described black matrix blocks described drive electrode and described induction electrode.
Preferably, described black matrix limits pixel region;
Described pixel region is filled in look resistance unit, and described look resistance unit can be divided into along the multirow of directions X or along the multiple row of Y-direction;
Whenever being separated by one is provided with described drive electrode and/or described induction electrode to the described look of five-element resistance unit, and the described look resistance of one to the five row unit that perhaps whenever is separated by is provided with described drive electrode and/or described induction electrode.
Preferably, the delegation of whenever being separated by described look resistance unit is provided with described drive electrode and/or described induction electrode, and the described look resistance of the row unit that perhaps whenever is separated by is provided with described drive electrode and/or described induction electrode.
Preferably, described black matrix limits pixel region;
Described pixel region is filled in look resistance unit, and described look resistance unit can be divided into along the multirow of directions X or along the multiple row of Y-direction;
Whenever being separated by at least, triplex row is provided with described drive electrode and/or described induction electrode with the described look resistance unit that is listed as that is separated by.
Preferably, whenever the be separated by described looks resistance unit of triplex row and three row of being separated by are provided with described drive electrode and/or described induction electrode.
Preferably, described drive electrode and described induction electrode are quadrilateral, and the length range of described quadrilateral four edges is between 5 μ m to 150 μ m.
Preferably, a plurality of described drive electrodes are formed a drive electrode module, and a plurality of described induction electrodes are formed an induction electrode module.
Preferably, described drive electrode and described induction electrode are provided with transparent flatness layer, and described transparent flatness layer covers induction electrode and drive electrode; Also be provided with common electrode layer on the described transparent flatness layer.
Preferably, described common electrode layer hollows out corresponding to the part of described drive electrode and described induction electrode.
Preferably, described drive wire and the described line of induction are overlapped, and overlapping separates with insulation course.
Preferably, described insulation course is transparent flatness layer, a described driving connecting line and described induction connecting line part that belongs to described common electrode layer in the two.
Compared with prior art, the present invention has the following advantages:
In the solution of the present invention, it is not overlapped with sweep trace and data line that drive electrode and induction electrode are set, in this case, interference effect between drive electrode and induction electrode and sweep trace and the data line is lowered to very little, improve the signal to noise ratio (S/N ratio) of touch signal, made the touch-control sensitivity of touch control liquid crystal display device reach higher level.And whole drive electrode and induction electrode are in black matrix below, thereby drive electrode and induction deceived matrix and block, and can not realized by user's eyes, thereby the visual effect of whole touch control liquid crystal display device are good.
Description of drawings
Fig. 1 is the synoptic diagram of the touch control liquid crystal display device xsect of first embodiment of the invention;
Fig. 2 is the vertical view of first embodiment of the invention first substrate;
Fig. 3 is the vertical view of second embodiment of the invention first substrate;
Fig. 4 is the part synoptic diagram in AA cross section among Fig. 3;
Fig. 5 is the vertical view of third embodiment of the invention first substrate;
Fig. 6 is the vertical view of fourth embodiment of the invention first substrate.
Embodiment
Usually, sweep trace in the liquid crystal panel of prior art and data line all arrange black matrix and are used for blocking described sweep trace and data line on the printing opacity direction, can be luminous because sweep trace and data line are metal material, and the liquid crystal molecule of its annex is disorderly, blocks in order to avoid influence display effect with black matrix.And existing embedded mutual capacitance touch screen also all is arranged on the touch-control device the black matrix below of blocking described sweep trace and data line, will cause touch-control device and sweep trace and data line to produce bigger stray capacitance like this, influence the work effect of touch-control device.
For preventing the generation of above-mentioned this unfavorable situation, the inventor has proposed following solution: provide a kind of touch control liquid crystal display device, by first substrate and second substrate that is oppositely arranged; The inboard of described first substrate is provided with a plurality of induction electrodes that a plurality of drive electrodes that matrix arranges and matrix are arranged; Described drive electrode is electrically connected by driving connecting line, forms the drive wire of many directions Xs; Described induction electrode is electrically connected by the induction connecting line, forms the line of induction of many Y-directions;
The inboard of described second substrate is provided with the sweep trace of many directions Xs and the data line of many Y-directions;
Wherein, described drive electrode and described induction electrode are not overlapping with described sweep trace and described data line.Thereby reduce touch-control device and the big problem of display device interference in the integrated embedded touch screen.
Below in conjunction with accompanying drawing specific embodiments of the invention are elaborated.
First embodiment
Please refer to Fig. 1, Fig. 1 is the synoptic diagram of the touch control liquid crystal display device xsect of first embodiment of the invention.As can be seen from Figure 1, the touch control liquid crystal display device that present embodiment provides includes first substrate 1 and second substrate 2 that is oppositely arranged, between first substrate 1 and second substrate 2, also be provided with liquid crystal layer 4, disperse gapped particle 3 in the middle of the liquid crystal layer 4, gap particles 3 is used for being supported on makes whole touch control liquid crystal display device keep the box of stable uniform thick between first substrate 1 and second substrate 2.
As shown in Figure 1, first substrate 1 includes black matrix 11 and the look resistance unit 12 that is laid in the transparent region that is limited by black matrix 11 with respect to the inboard of second substrate 2, and touch-control electrode, described touch-control electrode includes induction electrode and drive electrode, but since Fig. 1 be touch control liquid crystal display device along one of them axial sectional view, thereby only demonstrated drive electrode 5 wherein.
In the present embodiment, include sweep trace 23 and data line 24 on second inboard of substrate 2 with respect to first substrate 1 shown in Figure 1, wherein, sweep trace 23 is positioned at data line 24 tops, separate with insulation course 21 between them, and sweep trace 23 tops are passivated layer 22 covering, and sweep trace 23 can also be positioned at the below of described data line 24 in other embodiments, and the present invention is not subjected to the restriction of above specific embodiment.
Should be noted that especially, from Fig. 1, can obviously find out, in the present embodiment, drive electrode 5 is not overlapped with sweep trace 23, that is drive electrode 5 is not in directly over the sweep trace 23, when on the same surface level that drive electrode 5 and sweep trace 23 is projected among the figure, they do not have lap in other words.In this case, the interference effect between drive electrode 5 and the sweep trace 23 is lowered to very little, can be so that the touch-control sensitivity of touch control liquid crystal display device reaches higher level.
Preferably, the top of described drive electrode 5 also is provided with black matrix 11, thereby drive electrode 5 blocked by black matrix 11, can not realized by user's eyes, thereby the visual effect of whole touch control liquid crystal display device is good.
For further specifying the concrete structure of above-mentioned touch control liquid crystal display device, please refer to Fig. 2.
Fig. 2 is the vertical view of first substrate 1 among Fig. 1.As can be seen from Figure 2, include black matrix 11 on first substrate, 1 inboard, red (R), green (G), blue (B) trichromatic look resistance unit 12 array arrangements are in the transparent region that black matrix 11 limits.
Unlike the prior art be, in the present embodiment, sweep trace 23 and the data line 24 that is arranged on the drive electrode 5 of first substrate, 1 inboard and induction electrode 6 and is arranged at second substrate, 2 inboards staggered, reduce the influence that stray capacitance detects touch signal.
As shown in Figure 2, be provided with delegation's touch-control electrode between per two circumstances in which people get things ready for a trip resistance unit 12, a plurality of drive electrodes 5 and induction electrode 6 that this touch-control rows of electrodes is arranged by the space are formed.As can be seen from Figure 2, Y-direction on first substrate, 1 inboard includes many and drives connecting line 51, every drives adjacent two drive electrodes 5 on the connecting line 51 connection Y-directions, makes drive electrode 5 form an integral body with driving connecting line 51, that is drive wire.And on the directions X in Fig. 2, being provided with the induction connecting line 61 that directions X extends, induction connecting line 61 connects the induction electrode 6 that driven electrode 5 separates in every capable touch-control electrode, makes induction electrode 6 and induction connecting line 61 form an integral body that is the line of induction.The line of induction of described directions X and the drive wire of Y-direction are arranged in a crossed manner mutually, have insulation course at interval in the intersection.
In the present embodiment, except described drive electrode 5 and induction electrode 6 discord be arranged at data line on second substrate 2 and sweep trace overlapping, also the get along well data line and the sweep trace that are arranged on second substrate 2 of many many induction connecting lines 61 that drive on connecting line 51 and the directions X on the described Y-direction is overlapping.Particularly, please in conjunction with reference Fig. 1 and 2, among Fig. 2, be parallel at many on directions X induction connecting lines 61 with sweep trace 23 (as shown in Figure 1) on being arranged at second substrate 2, induction connecting line 61 is arranged on the induction electrode 6 side towards liquid crystal layer, because touch control liquid crystal display device of the present invention only arranges pixel cell in the zone that second substrate 2 arranges coloured resistance unit 12 correspondences, the sweep trace that drives pixel cell namely in the zone that induction electrode 6 is set pixel cell is not set, so just need not be set yet; Driving connecting lines 51 at many on the Y-direction is parallel with data line on being arranged at second substrate 2, in the present embodiment, will drive connecting line 51 and data line and stagger in the horizontal direction, also just can accomplish to drive connecting line 51 and data line is not overlapping.Present embodiment can reduce the influence that stray capacitance detects touch signal widely because all the get along well sweep trace of liquid crystal indicator and data line of the electrode of touch-control structure and connecting line has overlappingly, improves the signal to noise ratio (S/N ratio) of touch signal.
Though do not illustrate among Fig. 2,, between induction connecting line 61 and drive electrode 5, and be provided with insulation course between induction connecting line 61 and the driving connecting line 51, so that induction connecting line 61 and drive wire insulation.In the process that forms structure shown in Figure 2, drive electrode 5, driving connecting line 51 and induction electrode 6 can be formed by same metal level or same metal oxide layer, and then on their surfaces insulation course is set, form induction connecting line 61 at surface of insulating layer at last, make induction connecting line 61 be connected to each induction electrode 6 by through hole and form lines of induction, make mutually insulated between each line of induction and each drive wire simultaneously.In other embodiments, drive electrode 5, driving connecting line 51 can also be formed by same metal level or same metal oxide layer, and then above it insulation course is set, above insulation course, form induction electrode 6 and induction connecting line 61 at last.
Need to prove, in the embodiment shown in Figure 2, being chosen in whenever is separated by arranges drive electrode 5 and induction electrode 6 between the circumstances in which people get things ready for a trip resistance unit 12, but, in other embodiments, also can be chosen at interval and between the resistance of two circumstances in which people get things ready for a trip below the above five-element of the delegation unit 12 drive electrode 5 and/or induction electrode 6 are set, perhaps between the look resistance unit 12 of one to five row of whenever being separated by, drive electrode 5 and/or induction electrode 6 are set, according to corresponding driving connecting line 51 and induction connecting line 61 drive electrode 5 and induction electrode 6 are connected into corresponding drive wire and the line of induction then.Be chosen in that whenever to be separated by one be because the touch-control electrode is set makes whole liquid crystal touch control display device can play good sensing effect to the touch of finger or pointer to drive electrode 5 and/or induction electrode 6 are set between five-element's look resistance unit or one to the five row look resistance unit in this scope.
In the present embodiment, preferably, between the circumstances in which people get things ready for a trip resistances unit 12 drive electrode 5 and induction electrode 6 are set whenever being separated by, perhaps preferably, between a row look resistance unit drive electrode and induction electrode are set whenever being separated by, viewing area and touch area namely are set equably, and setting can be so that the display effect of touch control liquid crystal display device be comparatively even like this.
On the other hand, if in order to improve aperture opening ratio, more than the delegation or of then can whenever being separated by is listed as drive electrode and induction electrode are set, as long as the size setting of described electrode can be satisfied the touch that can feel finger or pointer.
Among the embodiment shown in Figure 2, also be provided with black matrix 11 between described drive electrode 5 and induction electrode 6 and first substrate 1, like this, just can play the covering effect to drive electrode 5 and induction electrode 6, in order to avoid the reflective influence of touch-control electrode shows.Though certain aperture opening ratio has been sacrificed in arranging of drive electrode 5 and induction electrode 6, but in the present embodiment, aperture opening ratio still remains on more than 50%, thereby can guarantee to show needed level (normal demonstration requires aperture opening ratio usually more than 50%), and guaranteed good touch controllable function simultaneously.
Need to prove, Fig. 1 and Fig. 2 only are synoptic diagram, the entire infrastructure of whole touch control liquid crystal display device is not shown among the figure, for example do not demonstrate the line of induction and drive wire among Fig. 1 and Fig. 2 and be connected to a touch control controller, but these are not the improved place of the present invention, the present invention is for outstanding improvement, abbreviate, only the integrality of whole proposal is made necessary diagram and explanatory note, and emphatically emphasis is made in improved place and set forth, and then done corresponding omission for and some existing structures that those skilled in the art can be known irrelevant with invention.
In addition, be quadrilateral at the drive electrode 5 shown in Fig. 1 and Fig. 2 and induction electrode 6, because the size that the size of these drive electrodes 5 and induction electrode 6 hinders unit 12 with look usually about equally, thereby the range of size of the length range of this quadrilateral four edges and a look resistance unit 12 is roughly the same, usually between 5 μ m to 150 μ m.
For twisted-nematic (TN, Twisted Nematic) liquid-crystal apparatus of type, the inboard of its first substrate is provided with whole common electrode layer, and this just means when the touch-control device is placed on first substrate inboard, exists the problem that the touch-control device is disturbed by whole common electrode layer usually.
For this reason, in Fig. 1 and the described embodiment of Fig. 2, be provided with transparent flatness layer at drive electrode 5 and induction electrode 6 towards a side of liquid crystal layer, described transparent flatness layer covers induction electrode 6 and drive electrode 5, when above described transparent flatness layer, common electrode layer being set afterwards, the part that is right against drive electrode 5 and induction electrode 6 positions in the described common electrode layer is dug up, common electrode layer is just imperfect like this, also just reduce the interference effect of the right touch signal of common electrode layer, improved the signal to noise ratio (S/N ratio) of touch control liquid crystal display device.
Second embodiment
With reference to figure 3 and Fig. 4, Fig. 3 is the vertical view of second embodiment of the invention first substrate, and Fig. 4 is the part synoptic diagram (for the purpose of each structure being known schematic representation, 51 among the Fig. 3 of Fig. 4 done omission) in AA cross section among Fig. 3.In the present embodiment, on first substrate 1, the interlacing on directions X of look resistance unit 12 and touch-control electrode arranges, be to be provided with delegation's touch-control electrode between per two circumstances in which people get things ready for a trip resistance unit 12, also be to be provided with circumstances in which people get things ready for a trip resistance unit 12 between per two row touch-control electrodes, and the side towards liquid crystal layer on the described look resistance unit 12 is provided with transparent flatness layer 8 and common electrode layer, described common electrode layer is transparent electrode layer, on described touch-control electrode, be provided with flatness layer 8 and be used for the induction connecting lines 7 that the induction electrode 6 with directions X is electrically connected mutually towards a side of liquid crystal layer, described induction connecting line 7 and common electrode layer are same layer material, and form in same step.
On the basis of embodiment one, with above-mentioned transparent flatness layer 8 as induction connecting line 7 with drive insulation course between the connecting line 51, respond to 7 of connecting lines then by making with layer material with described common electrode layer, be that described transparent flatness layer 8 covers drive electrode 5, drives connecting line 51 and induction electrode 6 as insulation course, induction connecting line 7 then is that the material with the same layer of common electrode layer strides across described transparent flatness layer 8, and connect each induction electrode 6 by the contact hole that arranges on each induction electrode 6, to become many lines of induction 7.This scheme need not to increase other processing procedure just can produce insulation course and induction connecting line 7, makes that the manufacture craft of whole touch control display apparatus is simpler, and described touch control display apparatus is also more lightening simultaneously.
The 3rd embodiment
Please refer to Fig. 5, Fig. 5 is the vertical view of the third embodiment of the present invention first substrate.Present embodiment and first embodiment similarly are that the look resistance unit 12 of the delegation of whenever being separated by arranges drive electrode 5 and induction electrode 6.But, different with the design of first embodiment is, in the present embodiment, six drive electrode modules that adjacent drive electrode 5 is formed, namely be equivalent to a big drive electrode, these six drive electrodes 5 are divided into two row across circumstances in which people get things ready for a trip resistance unit, and every row comprises three adjacent drive electrodes 5, three adjacent drive electrodes 5 connect by short drive electrode lead 52 between any two, and connect with long drive electrode lead 52 between two row.Same, the induction electrode 6 of six relevant positions connects into an induction electrode module by corresponding induction electrode lead 62, namely is equivalent to a big induction electrode.In Fig. 5, between each big drive electrode and the annexation between each big induction electrode do not show, but can by with Fig. 2 in connected mode or other connected mode electrode that each is big correspondingly couple together, the present invention does not repeat them here.
Need to prove, among the shown embodiment of Fig. 5, each big electrode is made up of six little electrodes, but in other embodiments, described big electrode also can be made up of electrode more or still less, thereby the size of a big electrode can not be determined.But, suppose that big electrode (big electrode also can be called electrode module) is made up of N electrode, then the netted overall dimensions of this big electrode will drop between 5N μ m to the 150N μ m.
The 4th embodiment
Please refer to Fig. 6, Fig. 6 is the vertical view of fourth embodiment of the invention first substrate 1.Present embodiment is chosen between the looks resistances unit 12 of be separated by triplex row and three row of being separated by drive electrode 5 and induction electrode 6 is set, and as shown in Figure 4, wherein, drive electrode 5 is the Y-direction arrangement, and induction electrode 6 is arranged along directions X.Still can keep the homogeneity of look resistance unit in this arrangement mode, make display frame unaffected.Simultaneously, according to calculating as can be known, driven electrode 5 and induction electrode 6 shared aperture opening ratios are about 7/16 among the figure, i.e. the aperture opening ratio of display frame is about 9/16, thereby the aperture opening ratio of display frame still satisfies and is not less than 50% requirement.Though do not demonstrate the connected mode of each drive electrode 5 and each induction electrode 6 among Fig. 6, can connect with reference to the connected mode among Fig. 2, also can connect with reference to the described connected mode of instructions other parts of the present invention.
Need to prove, the mode of drive electrode 5 and induction electrode 6 is set to permutation again for full line among Fig. 6, when the driving connecting line that connects each drive electrode 5 is set (with reference to the driving connecting line 51 among the figure 2), it is own the driving connecting line directly can be striden across drive electrode 5, like this, just make that the driving connecting line is not overlapping with the sweep trace 23 of below yet, and when the induction connecting line is set, can make that the induction connecting line is not overlapping with data line 24 with reference to the way among the figure 2.So just can make that the driving connecting line is not overlapping with sweep trace 23, simultaneously, the induction connecting line is not overlapping with data line 24, makes that the interference effect between touch-control device and the display device is littler.
Need to prove, though present embodiment is chosen in the triplex row of being separated by described look resistance unit and the described look resistance of the three row unit that is separated by arranges described touch-control electrode (comprising drive electrode and induction electrode) simultaneously, but, in other embodiments, also can be chosen in the described look resistance unit line number of being separated by or in the described look resistance unit columns at least one number greater than between three the look resistance unit ranks described touch-control electrode being set.
Various piece adopts the mode of going forward one by one to describe in this instructions, and what each part stressed is and the difference of other parts that identical similar part is mutually referring to getting final product between the various piece.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments herein.Therefore, the present invention will can not be restricted to embodiment illustrated herein, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (11)
1. a touch control liquid crystal display device is characterized in that, comprising:
First substrate that is oppositely arranged and second substrate;
Be arranged at the liquid crystal layer between described first substrate and described second substrate;
The inboard of described first substrate is provided with a plurality of induction electrodes that a plurality of drive electrodes that matrix arranges and matrix are arranged; Described drive electrode is electrically connected by driving connecting line, forms the drive wire of many directions Xs; Described induction electrode is electrically connected by the induction connecting line, forms the line of induction of many Y-directions;
The inboard of described second substrate is provided with the sweep trace of many directions Xs and the data line of many Y-directions;
Wherein, described drive electrode and described induction electrode are not overlapping with described sweep trace and described data line.
2. touch control liquid crystal display device as claimed in claim 1 is characterized in that, is provided with latticed black matrix between described drive wire and the described line of induction and described first substrate, and described black matrix blocks described drive electrode and described induction electrode.
3. touch control liquid crystal display device as claimed in claim 2 is characterized in that, described black matrix limits pixel region;
Described pixel region is filled in look resistance unit, and described look resistance unit can be divided into along the multirow of directions X or along the multiple row of Y-direction;
Whenever being separated by one is provided with described drive electrode and/or described induction electrode to the described look of five-element resistance unit, and the described look resistance of one to the five row unit that perhaps whenever is separated by is provided with described drive electrode and/or described induction electrode.
4. touch control liquid crystal display device as claimed in claim 3, it is characterized in that, whenever the described look of delegation of being separated by hinders the unit and is provided with described drive electrode and/or described induction electrode, and the described look resistance of the row unit that perhaps whenever is separated by is provided with described drive electrode and/or described induction electrode.
5. touch control liquid crystal display device as claimed in claim 2 is characterized in that, described black matrix limits pixel region;
Described pixel region is filled in look resistance unit, and described look resistance unit can be divided into along the multirow of directions X or along the multiple row of Y-direction;
The described looks resistance unit of the triplex row at least of whenever being separated by and/or three row of being separated by are provided with described drive electrode and/or described induction electrode.
6. touch control liquid crystal display device as claimed in claim 1 is characterized in that, described drive electrode and described induction electrode are quadrilateral, and the length range of described quadrilateral four edges is between 5 μ m to 150 μ m.
7. touch control liquid crystal display device as claimed in claim 1 is characterized in that, a plurality of described drive electrodes are formed a drive electrode module, and a plurality of described induction electrodes are formed an induction electrode module.
8. touch control liquid crystal display device as claimed in claim 1 is characterized in that, described drive electrode and described induction electrode are provided with transparent flatness layer, and described transparent flatness layer covers induction electrode and drive electrode; Also be provided with common electrode layer on the described transparent flatness layer.
9. touch control liquid crystal display device as claimed in claim 8 is characterized in that, described common electrode layer hollows out corresponding to the part of described drive electrode and described induction electrode.
10. touch control liquid crystal display device as claimed in claim 9 is characterized in that, described drive wire and the described line of induction intersect mutually, and infall separates with insulation course.
11. touch control liquid crystal display device as claimed in claim 10 is characterized in that, described insulation course is transparent flatness layer, a described driving connecting line and described induction connecting line part that belongs to described common electrode layer in the two.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210285140.9A CN103293780B (en) | 2012-08-10 | 2012-08-10 | Touch control liquid crystal display device |
| PCT/CN2012/084664 WO2014023066A1 (en) | 2012-08-10 | 2012-11-15 | Touch liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210285140.9A CN103293780B (en) | 2012-08-10 | 2012-08-10 | Touch control liquid crystal display device |
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| Publication Number | Publication Date |
|---|---|
| CN103293780A true CN103293780A (en) | 2013-09-11 |
| CN103293780B CN103293780B (en) | 2016-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210285140.9A Expired - Fee Related CN103293780B (en) | 2012-08-10 | 2012-08-10 | Touch control liquid crystal display device |
Country Status (2)
| Country | Link |
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| CN (1) | CN103293780B (en) |
| WO (1) | WO2014023066A1 (en) |
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| CN103293780B (en) | 2016-12-21 |
| WO2014023066A1 (en) | 2014-02-13 |
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