CN106648251A - Novel embedded touch screen and liquid crystal display apparatus - Google Patents
Novel embedded touch screen and liquid crystal display apparatus Download PDFInfo
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- CN106648251A CN106648251A CN201611252065.0A CN201611252065A CN106648251A CN 106648251 A CN106648251 A CN 106648251A CN 201611252065 A CN201611252065 A CN 201611252065A CN 106648251 A CN106648251 A CN 106648251A
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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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- 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 discloses a novel embedded touch screen and a liquid crystal display apparatus comprising the same. The novel embedded touch screen is especially suitable for an ultrathin display with an array substrate located on the front surface (the upper surface) and a color film substrate located on the back surface (the lower surface), and the effects of reducing metal reflection and enhancing image display can be achieved. The liquid crystal display apparatus comprises the array substrate, the color film substrate, and a liquid crystal layer located between the array substrate and the color film substrate, wherein the array substrate is opposite to the color film substrate; in the array substrate, a conductive light shield layer and an interlayer insulation film are prepared in sequence before a scan line metal layer is prepared; the conductive light shield layer consists of a plurality of mesh electrodes; and the touch screen takes common electrodes as driver electrodes and takes the mesh electrodes as induction electrodes, the mesh electrodes and the driver electrodes are arranged in a crossed manner, and the common electrodes and the mesh electrodes are connected with a touch driver IC through lead wires.
Description
Technical field
The present invention relates to a kind of new In-cell touch panel and the liquid crystal indicator containing the In-cell touch panel, belong to
Touch display technology field.
Background technology
Touch-screen (Touch Panel) forms together touch display screen as a kind of input medium, and display screen, touches aobvious
Display screen has been increasingly becoming the main flow of display field.Touch-screen most widely used at present is the outer external hanging type being hung on the outside of display screen
Touch-screen (Add on Touch Panel) and In-cell touch panel (the In cell Touch being embedded in display screen
Panel).External hanging type touch screen display is separately produced with touch-screen, is then fitted together into touch and display work(
The touch display screen of energy.With the continuous improvement of the optical characteristics required by flat-panel monitor and electrology characteristic, and consumer
Demand to thinning flat-panel monitor, in the case where process conditions and display effect are constant, design high-performance, low cost,
Ultra-thin touch display screen is increasingly becoming the main target of all big enterprises' pursuit.There is structure in existing external hanging type touch display screen
It is complicated, the shortcomings of cost of manufacture is higher, light transmission rate is relatively low, module is thicker.
The content of the invention
Goal of the invention：The technical problem to be solved is to provide a kind of In-cell touch panel and embedded containing this
The liquid crystal indicator of touch-screen, the liquid crystal indicator has the advantages that simple structure, light transmission rate height, module are thin, especially
Front (above) is located at suitable for array base palte, color membrane substrates are located at the ultrathin display that the back side (below) shows, can realize
Metal reflective is reduced, strengthens the effect that picture shows.
The content of the invention：To solve above-mentioned technical problem, the technology used in the present invention means are：
A kind of new In-cell touch panel, including array base palte, the array base palte surface is formed with a plurality of horizontally set
Scan line and a plurality of longitudinally disposed data wire, transverse and longitudinal intersect scan line and data line form multiple pixel cells, each
Pixel cell includes pixel electrode and public electrode, and the public electrode is made up of multiple strip shaped electric poles；The array base palte exists
Prepare and be sequentially prepared conductive shading and interlayer insulating film before scan line metal level；The conductive shading is by multiple netted electricity
Pole constitutes；Driving electrodes with the public electrode as touch-screen, the mesh electrode for touch-screen induction electrode, the public affairs
Common electrode is arranged in a crossed manner with mesh electrode, and the public electrode and mesh electrode drive IC to be connected by wire with touching respectively.
Wherein, the mesh electrode includes a plurality of transvercal induction line and a plurality of along data along scan-line direction distribution
The longitudinal induction line of line directional spreding, transvercal induction line and longitudinal induction line cross arrangement form latticed.
Wherein, the transvercal induction line and longitudinal induction line are arranged with layer, and the transvercal induction line is being located at scan line just
Lower section, the longitudinal induction line is located at the underface of data wire, and the live width of the transvercal induction line is equal or slightly larger than scan line
Width, the live width of the longitudinal induction line is equal or slightly larger than the width of data wire.
Wherein, the spacing between the adjacent mesh electrode is left as 5um with the minimum spacing that processing procedure preparative capacibility can make
It is right.
Wherein, the conductive shading is blended by black resin doping conductive materials, or is coated on black resin
One layer of conductive materials and be obtained.
Wherein, the conductive materials are metal, tin indium oxide, indium zinc oxide, CNT or Graphene.
Wherein, the metal includes molybdenum, aluminium, niobium or antimony.
Wherein, the material of the public electrode is tin indium oxide or indium zinc oxide transparent conductive material.
A kind of liquid crystal indicator, including the new In-cell touch panel described in claim 1～8 any claim,
Also include the color membrane substrates being oppositely arranged with array base palte and the liquid crystal layer between color membrane substrates and array base palte.
Compared to prior art, technical solution of the present invention have the advantage that for：
Liquid crystal indicator of the present invention is contained within not only having light-proofness but also the conductive shading with electric conductivity, especially fits
Front (above) is located at for array base palte, color membrane substrates are located at the ultrathin display that the back side (below) shows, can realize subtracting
Few metal reflective, strengthens the effect that picture shows.
Description of the drawings
Fig. 1 is the structural representation I of liquid crystal indicator of the present invention；
Fig. 2 is the structural representation II of liquid crystal indicator of the present invention；
Fig. 3 is multiple mesh electrodes structural representation that horizontally matrix form is arranged；
Fig. 4 is multiple mesh electrodes along vertically to the structural representation of matrix form arrangement；
Fig. 5 is the structural representation in Fig. 1 with public electrode as driving electrodes, with mesh electrode as induction electrode；
Fig. 6 is the structural representation in Fig. 2 with public electrode as driving electrodes, with mesh electrode as induction electrode；
Fig. 7 is the distribution schematic diagram of array base palte upper tracer and data wire；
Fig. 8 is the schematic diagram that public electrode and mesh electrode are connected respectively by lead with touch drive circuit IC；
Fig. 9 is the drive waveforms figure of Fig. 8.
Specific embodiment
Below in conjunction with the accompanying drawings present invention is described further with specific embodiment.It should be understood that these case study on implementation
It is merely to illustrate the present invention rather than limits the scope of the invention.
As shown in Fig. 1～8, new In-cell touch panel of the invention, including array base palte 4, the surface of array base palte 4 is formed with
The scan line 12 of a plurality of horizontally set and a plurality of longitudinally disposed data wire 13, scan line 12 and the shape of data wire 13 that transverse and longitudinal is intersected
Into multiple pixel cells, each pixel cell includes pixel electrode and public electrode, and public electrode is by 11 groups of multiple strip shaped electric poles
Into multiple strip shaped electric poles 11 are arranged or along the arrangement of the direction of data wire 13 along the direction of scan line 12；Array base palte 4 is swept in preparation
Retouch and conductive shading and interlayer insulating film (conductive shading-interlayer insulating film-scan line gold have been sequentially prepared before line metal level
Category substrate-interlayer insulating film-data wire metal layer-interlayer insulating film-common electrode layer-other each layers), i.e., array base palte 4 exists
Scan line metal level has sputtered in turn below conductive shading and interlayer insulating film；Conductive shading is by 8 groups of multiple mesh electrodes
Include a plurality of transvercal induction line 9 along the directional spreding of scan line 12 and a plurality of along the direction of data wire 13 point into, mesh electrode 8
The longitudinal induction line 10 of cloth, transvercal induction line 9 and the cross arrangement of longitudinal induction line 10 form latticed, transvercal induction line 9 with sweep
Retouch line 12 parallel, longitudinal induction line 10 is parallel with data wire 13；Transvercal induction line 9 and longitudinal induction line 10 are arranged with layer, laterally
The line of induction 9 is located at the underface of scan line 12, and longitudinal induction line 10 is located at the underface of data wire 13, the line of transvercal induction line 9
The wide width for being equal or slightly larger than scan line 12, the live width of longitudinal induction line 10 is equal or slightly larger than the width of data wire 13；Phase
The minimum spacing that the distance between adjacent mesh electrode 8 can be made with processing procedure preparative capacibility, generally 5um or so；In of the invention
Driving electrodes of the embedded touch-screen with public electrode as touch-screen, the induction electrode with mesh electrode 8 as touch-screen, strip is public
Electrode 11 and mesh electrode 8 are arranged in a crossed manner, and strip public electrode 11 and mesh electrode 8 drive IC7 by wire with touching respectively
Connection.
Liquid crystal indicator of the present invention, also includes the color membrane substrates 1 being oppositely arranged with array base palte 4 and positioned at color film base
Liquid crystal layer 2 between plate 1 and array base palte 4.
Conductive shading of the present invention is blended by black resin (existing BM materials) doping conductive materials, or in black tree
One layer of conductive materials are coated on fat and be obtained；Conductive materials are metal, tin indium oxide, indium zinc oxide, CNT or Graphene；
Metal includes molybdenum, aluminium, niobium or antimony etc..The material of public electrode can be but be not limited to tin indium oxide or indium zinc oxide is transparent leads
Electric material, the conductive shading of the present invention had both served shading, had strengthened the effect for showing, touching for In-cell touch panel is realized again
Control function.
Driver' s timing figure is illustrated in figure 9, touch-screen is shown into that the time of each frame is divided into display time phase and touch-control
Time phase, is showing voltage signal of the time phase public electrode reception from the public electrode 11 of system, the nothing of mesh electrode 8
Signal input, realizes normal display；The touch-control drive signal from Touch IC is received in touch-control time phase public electrode 11
Tx (Tn), couples the voltage signal Rx (Rn) of touch-control drive signal and exports as the mesh electrode 8 of induction electrode.
One of electrode (Tx of the In-cell touch panel of the present invention with the conductive shading on array base palte 4 as touch-screen
Or Rx), the public electrode on array base palte 4 is another electrode (Tx or Rx) of touch-screen, drives IC7 to drive by touching,
Realize the touch controllable function of touch-screen.
Claims (9)
1. a kind of new In-cell touch panel, it is characterised in that：Including array base palte, the array base palte surface is formed with a plurality of
The scan line of horizontally set and a plurality of longitudinally disposed data wire, the scan line and data line that transverse and longitudinal is intersected forms multiple pixel lists
Unit, each pixel cell includes pixel electrode and public electrode, and the public electrode is made up of multiple strip shaped electric poles；The array
Substrate has been sequentially prepared conductive shading and interlayer insulating film before scan line metal level is prepared；The conductive shading is by multiple
Mesh electrode is constituted；Driving electrodes with the public electrode as touch-screen, the mesh electrode is the induction electrode of touch-screen,
The public electrode is arranged in a crossed manner with mesh electrode, and the public electrode and mesh electrode drive IC by wire with touching respectively
Connection.
2. new In-cell touch panel according to claim 1, it is characterised in that：The mesh electrode include it is a plurality of along
The transvercal induction line and a plurality of longitudinal induction line along data wire directional spreding of scan-line direction distribution, transvercal induction line and vertical
Form latticed to line of induction cross arrangement.
3. new In-cell touch panel according to claim 1, it is characterised in that：The transvercal induction line and longitudinal induction
Line is arranged with layer, and the transvercal induction line is located at the underface of scan line, and the longitudinal induction line is located at the underface of data wire,
The live width of the transvercal induction line is equal or slightly larger than the width of scan line, and the live width of the longitudinal induction line is equal or slightly larger than
The width of data wire.
4. new In-cell touch panel according to claim 1, it is characterised in that：Between between the adjacent mesh electrode
Away from the minimum spacing that can be made with processing procedure preparative capacibility as 5um or so.
5. new In-cell touch panel according to claim 1, it is characterised in that：The conductive shading is by black resin
Doping conductive materials are blended, or coat one layer of conductive materials on black resin and be obtained.
6. new In-cell touch panel according to claim 5, it is characterised in that：The conductive materials are metal, oxidation
Indium tin, indium zinc oxide, CNT or Graphene.
7. new In-cell touch panel according to claim 6, it is characterised in that：The metal include molybdenum, aluminium, niobium or
Antimony.
8. new In-cell touch panel according to claim 1, it is characterised in that：The material of the public electrode is oxidation
Indium tin or indium zinc oxide transparent conductive material.
9. a kind of liquid crystal indicator, it is characterised in that：Including new embedded described in claim 1～8 any claim
Formula touch-screen, also includes the color membrane substrates being oppositely arranged with array base palte and the liquid between color membrane substrates and array base palte
Crystal layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611252065.0A CN106648251A (en) | 2016-12-30 | 2016-12-30 | Novel embedded touch screen and liquid crystal display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611252065.0A CN106648251A (en) | 2016-12-30 | 2016-12-30 | Novel embedded touch screen and liquid crystal display apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN106648251A true CN106648251A (en) | 2017-05-10 |
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ID=58836850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611252065.0A Pending CN106648251A (en) | 2016-12-30 | 2016-12-30 | Novel embedded touch screen and liquid crystal display apparatus |
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| CN (1) | CN106648251A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109739391A (en) * | 2019-02-28 | 2019-05-10 | 昆山龙腾光电有限公司 | Touch-control array substrate, production method and liquid crystal display device |
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| CN104238815A (en) * | 2014-09-03 | 2014-12-24 | 合肥鑫晟光电科技有限公司 | Display panel, driving method for same and display device |
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Patent Citations (7)
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|---|---|---|---|---|
| CN102466907A (en) * | 2010-10-29 | 2012-05-23 | 三星移动显示器株式会社 | Liquid crystal display with built-in touch screen panel |
| US20140118299A1 (en) * | 2012-10-26 | 2014-05-01 | Beijing Boe Optoelectronics Technology Co., Ltd. | Capacative incell touch panel and display apparatus |
| CN103049155A (en) * | 2012-12-13 | 2013-04-17 | 北京京东方光电科技有限公司 | Embedded touch screen and display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109739391A (en) * | 2019-02-28 | 2019-05-10 | 昆山龙腾光电有限公司 | Touch-control array substrate, production method and liquid crystal display device |
| CN109739391B (en) * | 2019-02-28 | 2022-03-01 | 昆山龙腾光电股份有限公司 | Touch array substrate, manufacturing method and liquid crystal display device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |