CN205247365U - Touch -control display panel and touch display apparatus - Google Patents
Touch -control display panel and touch display apparatus Download PDFInfo
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- CN205247365U CN205247365U CN201521028269.7U CN201521028269U CN205247365U CN 205247365 U CN205247365 U CN 205247365U CN 201521028269 U CN201521028269 U CN 201521028269U CN 205247365 U CN205247365 U CN 205247365U
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Abstract
The utility model provides a touch -control display panel and touch display apparatus, include: first base plate and second base plate. The shielding layer is including shielding slab and shielding net, the shielding layer set up in on the second base plate, in the printing opacity direction, the shielding slab is located in the net space of shielding net, the shielding slab is connected through electrically conductive material electricity with the shielding net to reduce capacitive sensing, at least one control switch, set up in on the first base plate, through control control switch switches on, can give shielding layer incoming signal. The utility model discloses when technical scheme touched the display screen at external static, ground connection can be derived with electrostatic charge fast to the shielding layer, avoided electrostatic charge to cause the electrostatic damage to the display screen, had compromise antistatic capability, display effect and the touch -control effect of product.
Description
Technical field
The utility model relates to touch-control Display Technique field, relates in particular to a kind of touch-control display panel and touchDisplay unit.
Background technology
Current, in display floater field, the display floater with touch controllable function has more and more become main flowShowing product, occurred the integration mode of various display floaters and contact panel, is of a great variety, exampleAs embedded (in-cell), the outer formula (on-cell) of box and external hanging type. On the other hand, if operation principleClassify, the display floater with touch controllable function can roughly be divided into again condenser type, resistance-type, infraredFormula etc. Wherein, capacitance type touch control display panel mainly comprises two types of self-capacitance formula and mutual capacitance types.The touch-control display panel of every type is each have their own Pros and Cons all. Touch-control based on self-capacitance formula showsPanel will be arranged on the inside of display floater outermost layer substrate conventionally for the electrode of touch-control, thereby, self-capacitanceTouch-control display panel integral thickness less, more frivolous.
In the touch-control display panel of self-tolerant, on TFT substrate, there is metal level can get rid of static, and colorThe part that film substrate is not but connected to the ground, gets rid of the non-constant of electrostatic capacity. Human finger is with static,Can make screen with a small amount of static at finger contact during to touch-control display panel, produce static residual, therebyAffect touch controllable function and the display effect of touch-control display panel. In order to prevent that electrostatic charge is to embedded touchThe impact of display floater, conventionally between the underlay substrate of color membrane substrates and polaroid, arrange one planar thoroughlyBright conductive shielding layer, like this, in the time that extraneous static touches display screen, screen layer can be rapidly by staticElectric charge ground connection, avoids electrostatic charge to cause electrostatic damage to display screen. But planar screen layer is by quietWhen electricity electric charge ground connection, can affect the electric field of touch-control electrode in embedded touch display floater, thus shadowThe touch controllable function that rings screen, has greatly affected the realization of touch-control effect.
Utility model content
The utility model embodiment provides a kind of touch-control display panel and touch display unit, existing in order to solveThe technology that has embedded touch display floater planar screen layer is set affects touch-control effect at color membrane substrates is askedTopic.
The utility model embodiment is by the following technical solutions:
First aspect, the technical program provides a kind of touch-control display panel, comprising:
First substrate and second substrate;
Screen layer, comprises shielding slab and shielding grid;
Described shielding slab is laid in a side of described second substrate with matrix form;
Described shielding grid is positioned at a side of described second substrate;
In printing opacity direction, described shielding slab is positioned at the grid-gap of described shielding grid, described shieldingPiece and shielding grid are electrically connected by conductive materials;
At least one gauge tap, is arranged on described first substrate;
By controlling the conducting of described gauge tap, can give described screen layer input signal.
Further, the material of described shielding slab and shielding grid is indium tin oxide.
Further, described shielding slab and shielding grid are positioned at the same side of described second substrate, described screenCovering piece and shielding grid arranges or different layers setting with layer.
Further, described gauge tap is thin film transistor (TFT).
Further, described first substrate also comprises that an integrated control module is connected liner with one;
Described screen layer is electrically connected with the described liner that is connected by conductive silver glue;
The grid of described thin film transistor (TFT) is connected with described integrated control module, the leakage of described thin film transistor (TFT)The utmost point and described liner electrical connection, the source electrode connection input signal end of described thin film transistor (TFT) of being connected.
Further, the material of described connection liner is that metal, indium tin oxide or other conduct electricity arbitrarilyMaterial.
Further, described first substrate comprises touch-control electrode block, is laid in described first with matrix formOn substrate, described touch-control electrode block is completely overlapping in printing opacity direction and described shielding slab.
Further, described first substrate comprises common electrode layer, and described common electrode layer comprises described touchingControl electrode block.
Further, described gauge tap is in the conducting of the first period, described screen layer input grounding current potential;Described gauge tap cut out in the second period, and described screen layer current potential is unsettled.
Further, described gauge tap is in the conducting of the first period, described screen layer input grounding current potential;Described gauge tap is in the conducting of the second period, and described screen layer is inputted and described touch-control electrode block same potential.
Second aspect, the technical program provides a kind of touch display unit, comprise first aspect arbitrary described inTouch-control display panel.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought:
In the technical program, shielding slab and shielding grid are electrically connected by conductive materials, reduce inductance capacitance.By gauge tap in the conducting of the first period, screen layer input grounding current potential, gauge tap is in the second periodClose, described screen layer current potential is unsettled; So arrange, in the first period, when extraneous static touches aobviousWhile showing screen, screen layer can be derived ground connection by electrostatic charge rapidly, avoids electrostatic charge to cause display screenElectrostatic damage. Or gauge tap is in the conducting of the first period, screen layer input grounding current potential, control is openedClose in the conducting of the second period described screen layer input and touch-control electrode block same potential; So arrange,The first period and the second period, in the time that extraneous static touches display screen, screen layer is all avoided electrostatic chargeCause electrostatic damage therefore to display screen. Technical solutions of the utility model taken into account product anti-static ability,Display effect and touch-control effect.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below will be new to this practicalityDuring type embodiment describes, the accompanying drawing of required use is briefly described, apparently, and in the following describesAccompanying drawing be only embodiment more of the present utility model, for those of ordinary skill in the art,Do not pay under the prerequisite of creative work, can also be attached according to the content of the utility model embodiment and theseFigure obtains other accompanying drawing.
The top view of the touch-control display panel 1001 that Fig. 1 provides for the utility model embodiment.
Fig. 2 be in Fig. 1 touch-control display panel 1001 along the sectional view of A-A` line.
The wiring schematic diagram of a kind of gauge tap that Fig. 3 provides for the utility model embodiment.
The top view of the described first substrate 10 that Fig. 4 the utility model embodiment provides.
Fig. 5 is a kind of sequential chart about touch-control display panel shown in Fig. 1.
Fig. 6 is the equivalent circuit diagram under a kind of finger touch.
The structural representation of a kind of touch display unit that Fig. 7 provides for the utility model embodiment.
Detailed description of the invention
For the technique effect that makes the technical scheme of technical problem, employing that the utility model solves and reach moreAdd clearly, below in conjunction with accompanying drawing, the technical scheme of the utility model embodiment is done further to retouch in detailState, obviously, described embodiment is only the utility model part embodiment, instead of wholeEmbodiment. Based on the embodiment in the utility model, those skilled in the art are not making creative laborThe every other embodiment obtaining under moving prerequisite, belongs to the scope that the utility model is protected. For narrationConvenient, hereinafter alleged " left side " " right side " " on " left and right, the upper and lower of D score and accompanying drawing itselfTo unanimously, but structure of the present utility model is not played to restriction effect.
Please refer to Fig. 1 and Fig. 2, the touch-control display panel 1001 that Fig. 1 provides for the utility model embodimentTop view, Fig. 2 be in Fig. 1 touch-control display panel 1001 along the sectional view of A-A` line. Described touch-controlDisplay floater 1001 comprises first substrate 10 and second substrate 20, and wherein said first substrate 10 is battle arrayRow substrate, described second substrate 20 is color membrane substrates.
Screen layer 21 comprises shielding slab 212 and shielding grid 211, described in described screen layer 21 is arranged atOn second substrate 20. The material of described shielding slab 212 and described shielding grid 211 is indium tin oxide.In printing opacity direction, described shielding slab 212 is positioned at the grid-gap of described shielding grid 211. DescribedShielding slab 212 and described shielding grid 213 can adopt mask to carry out etching realization. Particularly, please joinExamine Fig. 2, in the present embodiment, described shielding slab 212 and described shielding grid 211 are positioned at described secondThe same side of substrate 20, and arrange with layer. In other embodiments, described shielding slab 212 and described screenCover grid 211 and also can be positioned at the below of described second substrate 20, described shielding slab 212 and described shieldingGrid 211 also can different layers setting. Described printing opacity direction be perpendicular to described first substrate 10 and described inSecond substrate 20, and point to described second substrate 20 from described first substrate 10.
Please continue to refer to Fig. 1 and Fig. 2, described shielding slab 212 and described shielding grid 211 are by conductionMaterial 23 is electrically connected. Described conductive materials 23 can be led arbitrarily for metal, indium tin oxide or otherIsoelectric substance.
Described first substrate 10 comprises gauge tap 12, integrated control module 13, connects liner 11 and softProperty circuit board 14. Described screen layer 21 is electrically connected with the described liner 11 that is connected by conductive silver glue 15,The material of described connection liner 11 is metal, indium tin oxide or other any conductive materials, in this realityExecute described in example and connect liner 11 for indium tin oxide. Please refer to Fig. 1 to Fig. 3, Fig. 3 is that this practicality is newThe wiring schematic diagram of a kind of gauge tap that type embodiment provides. Described gauge tap 12 is film crystalPipe, the grid of described thin film transistor (TFT) is connected with described integrated control module 13, described thin film transistor (TFT)Drain electrode is electrically connected with the described liner 11 that is connected, and the source electrode of described thin film transistor (TFT) connects input signal end, toolBody ground, described input signal end is described flexible PCB 14 in the present embodiment. By described integrated controlThe conducting of described gauge tap 12 is controlled in unit 13 processed, can give described screen layer 21 input signals. ToolBody ground, in the present embodiment, described gauge tap 12 is N-type thin film transistor (TFT), certainly, described controlSwitch 12 processed can be also P type thin film transistor (TFT).
Please refer to Fig. 1 and Fig. 4, the bowing of the described first substrate 10 that Fig. 4 the utility model embodiment providesView. Described first substrate 10 also comprises multiple touch-control electrode blocks 16, and described touch-control electrode block 16 is with squareFormation formula is laid on described first substrate 10, described touch-control electrode block 16 in described printing opacity direction andDescribed shielding slab 212 is completely overlapping. Described first substrate 10 comprises common electrode layer 17, described publicElectrode layer 17 comprises described touch-control electrode block 16, and the touch-control net insulating with described touch-control electrode block 16Lattice 18. Described touch-control electrode block 16 and described touch-control grid 18 are used and are covered by described common electrode layer 17Film etching forms. In the utility model embodiment, in described printing opacity direction, described shielding slab 212 HesDescribed touch-control electrode block 16 is overlapping, and described touch-control grid 18 is identical with the pattern of described shielding grid 211,Therefore, can adopt same mask to carry out etching realization, can not increase mask cost one, and techniqueSimply. Described touch-control display panel 1001 can be applied to from molar formula, and touch-control electrode block 16 is multiplexed withPublic electrode, a frame time comprises displaying time and touch-control time, in display time interval, described touch-control electricityUtmost point piece 16 receives display drive signals, realizes Presentation Function; Within the touch-control period, described touch-control electrode block16 receive touching signals, realize touch controllable function. Touch-control display panel integral thickness from molar formula is less,The advantages such as more frivolous, high-resolution, high permeability, low-power consumption, wide visual angle, low aberration.
Please continue to refer to Fig. 1 to Fig. 4, within the first period, the high electricity of described integrated control module 13 outputFlat, described gauge tap 12 conductings, described screen layer 21 is by described flexible PCB 14 input groundingsCurrent potential; Within the second period, described integrated control module 13 output low levels, described gauge tap 12Close, described screen layer 21 current potentials are unsettled. It should be noted that, described the first period is display time interval,Described the second period is the touch-control period. So arrange, in the time that extraneous static touches display screen, showingPeriod, described screen layer 21 can be derived ground connection by electrostatic charge rapidly, avoids electrostatic charge to display screenCause electrostatic damage; In the touch-control period, described screen layer 21 current potentials are unsettled, can not shield described touch-control electricityThe touching signals of utmost point piece 16, therefore, technical solutions of the utility model taken into account product anti-static ability,Display effect and touch-control effect.
Optionally, within the first period, described integrated control module 13 is exported high level, and described control is openedClose 12 conductings, described screen layer 21 is by described flexible PCB 14 input grounding current potentials; At second o'clockIn section, described integrated control module 13 is still exported high level, and described gauge tap 12 conductings, pass throughDescribed integrated control module 13 gives described screen layer 21 input the electricity identical with described touch-control electrode block 16Position. It should be noted that, described the first period is display time interval, and described the second period is the touch-control period.Particularly, please refer to Fig. 5, Fig. 5 is a kind of sequential chart about touch-control display panel shown in Fig. 1. DFor earthing potential; E is the electric potential signal of described public electrode piece 16, public in described display time interval inputCurrent potential, at described touch-control period input touch control detection current potential; F is the electric potential signal of described screen layer 21,At described display time interval input grounding current potential, at described touch-control period input touch control detection current potential. So establishPut, in the time that extraneous static touches display screen, at display time interval, described screen layer 21 can be rapidly by quietElectricity electric charge is derived ground connection, avoids electrostatic charge to cause electrostatic damage to display screen; In the touch-control period, concreteGround, please refer to Fig. 6, and Fig. 6 is the equivalent circuit diagram under a kind of finger touch; A end is earthing potential; BEnd is the current potential of described touch-control electrode block 16; C1 is electricity between described touch-control electrode block 16 and earthing potentialHold; C2 is electric capacity between described screen layer 21 and described touch-control electrode block 16; C3 be described screen layer 21 withElectric capacity between finger; C4 is electric capacity between finger and earthing potential; C5 is between described touch-control electrode block 16 and fingerElectric capacity. Because described screen layer 21 has identical current potential with described touch-control electrode block 16, can makeC2 becomes very littlely, the total capacitance after C2 is in parallel with C5 again after connecting with C3 is approximately C5. Therefore,This equivalent circuit, with not set up described screen layer 21 roughly the same, in the touch-control period, is avoided described screen layer21 impacts on described touch-control display panel 1001 touch controllable functions, have also improved anti-static ability simultaneously.
The utility model embodiment also provides a kind of touch display unit, please refer to Fig. 7, and Fig. 7 is this realityThe structural representation of a kind of touch display unit providing by new embodiment. This touch display unit 2 wrapsDraw together touch-control display panel 1, described touch-control display panel 1 is the touch-control display panel described in above-mentioned any one;Can also comprise the miscellaneous part for supporting described touch-control display panel 1 normal work, touch and show dressPutting 2 can be smart mobile phone or computer.
Obviously, above are only preferred embodiment of the present utility model and institute's application technology principle. This area skillArt personnel will appreciate that, the utility model is not limited to specific embodiment described here, to art technology peopleMember can carry out various obvious variations, readjust and substitute and can not depart from of the present utility modelProtection domain.
Claims (11)
1. a touch-control display panel, is characterized in that, comprising:
First substrate and second substrate;
Screen layer, comprises shielding slab and shielding grid;
Described shielding slab is laid in a side of described second substrate with matrix form;
Described shielding grid is positioned at a side of described second substrate;
In printing opacity direction, described shielding slab is positioned at the grid-gap of described shielding grid, described shielding slabBe electrically connected by conductive materials with shielding grid;
At least one gauge tap, is arranged on described first substrate;
By controlling the conducting of described gauge tap, can give described screen layer input signal.
2. touch-control display panel according to claim 1, is characterized in that, described shielding slab and shieldingThe material of grid is indium tin oxide.
3. touch-control display panel according to claim 1, is characterized in that, described shielding slab and shieldingGrid is positioned at the same side of described second substrate, and described shielding slab and shielding grid arrange or different layers with layerArrange.
4. touch-control display panel according to claim 1, is characterized in that, described gauge tap is thinFilm transistor.
5. touch-control display panel according to claim 4, is characterized in that, described first substrate also wrapsDraw together an integrated control module and be connected liner with one;
Described screen layer is electrically connected with the described liner that is connected by conductive silver glue;
The grid of described thin film transistor (TFT) is connected with described integrated control module, the drain electrode of described thin film transistor (TFT)With described liner electrical connection, the source electrode connection input signal end of described thin film transistor (TFT) of being connected.
6. touch-control display panel according to claim 5, is characterized in that, the material of described connection linerMatter is metal, indium tin oxide or other any conductive materials.
7. according to the arbitrary described touch-control display panel of claim 1-6, it is characterized in that described the first basePlate comprises touch-control electrode block, is laid on described first substrate with matrix form, and described touch-control electrode block is thoroughlyLight direction and described shielding slab are completely overlapping.
8. touch-control display panel according to claim 7, is characterized in that, described first substrate comprisesCommon electrode layer, described common electrode layer comprises described touch-control electrode block.
9. touch-control display panel according to claim 8, is characterized in that, described gauge tap isThe conducting of one period, described screen layer input grounding current potential; Described gauge tap cut out in the second period, described inScreen layer current potential is unsettled.
10. touch-control display panel according to claim 8, is characterized in that, described gauge tap existsThe conducting of the first period, described screen layer input grounding current potential; Described gauge tap is in the conducting of the second period, instituteState screen layer input and described touch-control electrode block same potential.
11. 1 kinds of touch display units, is characterized in that, comprise touching as described in as arbitrary in claim 8-10Control display floater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521028269.7U CN205247365U (en) | 2015-12-11 | 2015-12-11 | Touch -control display panel and touch display apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521028269.7U CN205247365U (en) | 2015-12-11 | 2015-12-11 | Touch -control display panel and touch display apparatus |
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| CN205247365U true CN205247365U (en) | 2016-05-18 |
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| CN201521028269.7U Active CN205247365U (en) | 2015-12-11 | 2015-12-11 | Touch -control display panel and touch display apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340908A (en) * | 2017-06-23 | 2017-11-10 | 厦门天马微电子有限公司 | Touching display screen, touch control display apparatus, progress control method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340908A (en) * | 2017-06-23 | 2017-11-10 | 厦门天马微电子有限公司 | Touching display screen, touch control display apparatus, progress control method and device |
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| GR01 | Patent grant |