CN104062817B - A kind of liquid crystal indicator with touch controllable function - Google Patents
A kind of liquid crystal indicator with touch controllable function Download PDFInfo
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- CN104062817B CN104062817B CN201410284408.6A CN201410284408A CN104062817B CN 104062817 B CN104062817 B CN 104062817B CN 201410284408 A CN201410284408 A CN 201410284408A CN 104062817 B CN104062817 B CN 104062817B
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- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
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Abstract
The present invention provides a kind of liquid crystal indicator, intersects including a plurality of data lines and multi-strip scanning line, described a plurality of data lines and the insulation of multi-strip scanning line and limits multiple pixel cell；Each pixel cell includes public electrode and pixel electrode, has insulating barrier between described public electrode and pixel electrode, and described public electrode and pixel electrode form in-plane field；Described common electrode layer is additionally operable to form touch control electrode and touching signals wire, described every touching signals wire and the electrical connection of corresponding touch control electrode, in addition to the junction point of touching signals wire and touch control electrode, have between described touch control electrode and touching signals wire and stitch the first quarter parallel with data wire；Described first quarter stitches and pixel electrode is overlapping.
Description
Technical field
The present invention relates to a kind of liquid crystal indicator, specifically, particularly relate to a kind of there is touch controllable function
Liquid crystal indicator.
Background technology
Send out as flat panel display equipment liquid crystal display LCD, plasma display panel apparatus PDP, field
Penetrating display device FED and electroluminescence display device ELD, each equipment has in common that all
Must have panel display board, be used for showing image.Panel display board is relative to each other equipped with a pair
The transparent insulation substrate of combination, unique luminescence or polarization material are placed between this pair substrate.?
In these flat panel display equipments, liquid crystal display shows by using the light transmittance of electric field controls liquid crystal
Image.To achieve it, liquid crystal display is equipped with having the display floater of liquid crystal cells, use
In light being guided into the back light unit of display floater and being used for driving the drive circuit of liquid crystal cells.Recently,
The demand that contact panel adds to liquid crystal display is constantly increased, uses hands with perception contact panel
Or other input mode is touched ground part and is sent the extraneous information matched with this touch.Further, for
The miniaturization of equipment, can arrange liquid crystal display and contact panel shares some parts, but also bring
Influence each other and produce bad problem.
Summary of the invention
The present invention provides a kind of liquid crystal indicator, including a plurality of data lines and multi-strip scanning line, described
A plurality of data lines and the insulation of multi-strip scanning line are intersected and limit multiple pixel cell；Each pixel cell bag
Include public electrode and pixel electrode, there is between described public electrode and pixel electrode insulating barrier, and institute
Stating public electrode and pixel electrode forms in-plane field, the plurality of public electrode is joined together to form public
Electrode layer；Described common electrode layer is additionally operable to be formed touch control electrode and touching signals wire, and described every is touched
Control signal conductor and the electrical connection of corresponding touch control electrode, except touching signals wire and the junction point of touch control electrode
Outward, have between described touch control electrode and touching signals wire and stitch the first quarter parallel with data wire；At picture
In element unit, described first quarter stitches and pixel electrode is overlapping.The liquid crystal indicator that the present invention provides,
While possessing touch controllable function, the transmitance of its display is the most very uniform.
Accompanying drawing explanation
The schematic diagram of the array base palte of the liquid crystal indicator that Fig. 1 provides for the embodiment of the present invention one；
The schematic diagram of the common electrode layer of the liquid crystal indicator that Fig. 2 provides for the embodiment of the present invention one；
Fig. 3 is the schematic cross-section of A1-A2 along the line in Fig. 1；
Fig. 4 a is the transmittance curve figure that side arranges that public electrode carves the pixel cell of seam on the data line；
Fig. 4 b is the transmittance curve figure that side arranges that public electrode carves the pixel cell of seam the most on the data line；
Fig. 5 is the transmitance simulation schematic diagram of a pixel cell of the liquid crystal indicator of embodiment one；
The schematic diagram of the liquid crystal indicator that Fig. 6 provides for the embodiment of the present invention two；
Fig. 7 is the schematic cross-section of B1-B2 along the line in Fig. 6；
Fig. 8 is the schematic cross-section of C1-C2 along the line in Fig. 6；
The schematic diagram of the array base palte of the liquid crystal indicator that Fig. 9 provides for the embodiment of the present invention three；
Figure 10 is the schematic cross-section of D1-D2 along the line in Fig. 9；
The schematic diagram of the common electrode layer of the liquid crystal indicator that Figure 11 provides for the embodiment of the present invention three；
The schematic diagram of the array base palte of the liquid crystal indicator that Figure 12 provides for the embodiment of the present invention four；
The schematic diagram of the common electrode layer of the liquid crystal indicator that Figure 13 provides for the embodiment of the present invention four；
The schematic diagram of the common electrode layer of the another kind of liquid crystal indicator that Figure 14 provides for embodiment four；
The schematic diagram of the array base palte of the another kind of liquid crystal indicator that Figure 15 provides for embodiment four
Detailed description of the invention
The embodiment of the present invention one provides a kind of liquid crystal indicator, and refer to Fig. 1 to Fig. 3, Fig. 1 is this
The schematic diagram of the array base palte of the liquid crystal indicator that inventive embodiments one provides, Fig. 2 is that the present invention implements
The schematic diagram of the common electrode layer of the liquid crystal indicator that example one provides, Fig. 3 is A1-A2 along the line in Fig. 1
Schematic cross-section.Described liquid crystal indicator includes a plurality of data lines and multi-strip scanning line, such as a plurality of number
According to line D1, D2, D3, D4 and D5, multi-strip scanning line S1, S2 and S3, described a plurality of data lines
Intersecting with the insulation of multi-strip scanning line and limit multiple pixel cell, Fig. 1 is the most exemplified, and three row five arrange
Pixel cell.
Each pixel cell includes public electrode 10 and pixel electrode 11, described public electrode 10 and pixel
There is between electrode 11 insulating barrier 12, and described public electrode 10 and pixel electrode 11 are formed in face
?.Specifically, in embodiment one, described public electrode 10 is positioned under described pixel electrode 11,
And described public electrode 10 is plane-shape electrode, and described pixel electrode 11 includes multiple strip shaped electric poles 111.
In-plane field is formed between public electrode 10 and multiple strip shaped electric poles 111 of pixel electrode 11 of described planar,
For driving the rotation of liquid crystal molecule.Described in-plane field specifically refers to shape between pixel electrode and public electrode
The direction of an electric field become is parallel with array base palte, such as FFS (Fringe Field Switching, fringing field
Switching technique) type or IPS (In-Plane Switching, plane conversion) type display pattern use face exactly
Internal field drives liquid crystal molecule to show.The liquid crystal indicator that the present invention provides can be FFS type liquid crystal
Showing device, it is also possible to be IPS type liquid crystal indicator.
Refer to Fig. 2, the common electrode layer forming the plurality of public electrode 10 is additionally operable to form touch-control knot
The touch control electrode 15 of structure and touching signals wire 16.Described every touching signals wire 16 accordingly and touches
Control electrode 15 electrically connects, in addition at the junction point 161 of touching signals wire 16 and touch control electrode 15, and institute
State between touch control electrode 15, have between touch control electrode 15 and touching signals wire 16 parallel with data wire
The first quarter stitch 19；Stitch described first quarter 19 and pixel electrode 11 overlapping.
Specifically, in the prior art, common electrode layer is in a whole planar relative to pixel unit array
, the part of corresponding each pixel cell is a public electrode, and the most multiple public electrodes are mutual
Link together.The present invention implements in one, forms touch control electrode 15 and touch-control in common electrode layer etching
Signal conductor 16, usually, the size of described touch control electrode 15 is more much larger than a pixel cell, can
Accomplish the size of 60 × 60 pixel cells, but between adjacent touch control electrode 15, touch control electrode
Seam at quarter is had so that it is disconnected from each other insulation between 15 and touching signals wire 16.Described seam of carving includes
Stitch 19 first quarter parallel with data wire, stitch described first quarter 19 and pixel electrode 11 in strip shaped electric poles
111 is overlapping.
In embodiment one, described touch-control structure is the self-capacitance structure of monolayer, at other embodiments
In, described common electrode layer can be also used for forming other structures or other kinds of touch-control structure.
In the existing liquid crystal display with touch controllable function, the seam at quarter of common electrode layer typically can be put
Put in the position overlapped with data wire, because the color membrane substrates above data wire is provided with black matrix", should
Seam at described quarter will be blocked by black matrix", eliminates the observability carving seam whereby.But, it is arranged on
Still display can be brought impact with the seam at quarter of the position of data wire coincidence, particularly under low grey menu,
Public electrode at described data wire is carved seam or can be perceived by the human eye, thus causes bad display
Effect.Refer to Fig. 4 a and Fig. 4 b, Fig. 4 a is the picture that side arranges common electrode layer seam at quarter on the data line
The transmittance curve figure of element unit, Fig. 4 b is the pixel that side arranges common electrode layer seam at quarter the most on the data line
The transmittance curve figure of unit.In fig .4, width (Distance) be at 5 μm and 35 μm for number
Arranging place according to line, therefore the transmitance at 5 μm and 35 μm is substantially zeroed.Empty coil turn in fig .4
Being at pixel electrode next-door neighbour's data wire at two gone out, its transmitance is also well below inside pixel cell
The transmitance in region.Then, refer to Fig. 4 b, in the width range of pixel cell, its transmitance is relatively
For uniformly, it is not affected by the impact of data wire.This is primarily due to, on the data line the common electrode layer of side
Also act the effect of shielding data wire electric field, when being to carve seam above data wire, then data wire electric field meeting
Display to pixel cell impacts, and makes transmitance reduce.
In order to make common electrode layer can shield data wire, in the embodiment of the present invention one, the first quarter was stitched
19 and pixel electrode 11 overlapping, particularly with the strip shaped electric poles 111 of pixel electrode 11 at least in part
Overlapping.The first quarter sheltered from by strip shaped electric poles 111 stitches the part of 19, will not impact display.
Preferably, stitch described first quarter 19 and pixel electrode 11 in strip shaped electric poles 111 be completely overlapped
, stitch 19 first quarter and blocked completely by strip shaped electric poles 111, then stitching 19 first quarter will not be to display effect
Fruit has any impact.
In view of technological ability and actual design problem, can allow to stitch the edge of 19 first quarter to strip shaped electric poles
The distance at the edge of 111 is within 1 μm, and display also will not be caused significantly impact by it.Alternatively,
On printing opacity direction, in the projection of the strip shaped electric poles that the projection that described first quarter stitches falls into pixel electrode, i.e.
First quarter stitched and strip shaped electric poles is completely superposed, and the width of seam at the first quarter is less than the width of strip shaped electric poles；
Or on printing opacity direction, the projection of the strip shaped electric poles of described pixel electrode falls in the projection that the first quarter stitched,
That is, the first quarter stitched and strip shaped electric poles is completely superposed, and the width that the width of strip shaped electric poles stitched less than the first quarter
Degree, but as long as both Edge Distances are less than 1 μm.
Refer to Fig. 5, a pixel cell saturating of the liquid crystal indicator of an offer is provided for the present invention
Crossing rate simulation schematic diagram, described pixel electrode 11 includes three strip shaped electric poles 111, stitches 19 Hes the first quarter
One strip shaped electric poles 111 of center overlaps, and stitches the edge extremely described strip shaped electric poles 111 of 19 first quarter
The distance at edge be 1 μm, and described pixel cell is to be operated under low GTG.Can from Fig. 5 is
To find out, in the range of the width (Distance) of a pixel cell, transmitance (Transmittance) is
More uniform, there is good display effect.
In the embodiment of the present invention one, stitch for the first quarter 19 and centrally located strip shaped electric poles 111 overlapping,
In other embodiments, stitching 19 described first quarter can be with any bar strip shaped electric poles of pixel electrode 11
111 is overlapping, all has same effect.
Preferably, stitch inside 19 pixel cells being respectively positioned on same color described first quarter.As it appears from the above,
Stitch the edge of 19 to the edge of strip shaped electric poles 111 first quarter and may there is a certain distance, this distance meeting
Display effect is brought certain impact, i.e. has and stitch the pixel cell of 19 first quarter and do not had stitch for the first quarter
The transmitance of the pixel cell of 19 can slightly difference.It is arranged on same color as all first quarters are stitched 19
Pixel cell inside, then can visually reduce the impact that this transmitance difference causes.Preferably, will
All first quarters stitch 19 and are arranged in blue pixel cells, because in red, green and blueness, and people
Eye is least sensitive to blueness, can reduce the impact that transmitance difference causes further.
The embodiment of the present invention two provides a kind of liquid crystal indicator, and refer to Fig. 6 to Fig. 8, Fig. 6 is this
The schematic diagram of liquid crystal indicator that inventive embodiments two provides, Fig. 7 be in Fig. 6 B1-B2 along the line section
Face schematic diagram, Fig. 8 is the schematic cross-section of C1-C2 along the line in Fig. 6.Identical with embodiment one, described
Liquid crystal indicator includes a plurality of data lines and multi-strip scanning line, as a plurality of data lines D1, D2, D3,
D4 and D5, multi-strip scanning line S1, S2 and S3 (illustrate only data wire S2) in fig. 8, described
A plurality of data lines and the insulation of multi-strip scanning line are intersected and limit multiple pixel cell.Each pixel cell bag
Include public electrode 20 and pixel electrode 21, have between described public electrode 20 and pixel electrode 21 absolutely
Edge layer 22, and described public electrode 20 and pixel electrode 21 form in-plane field.Specifically, implementing
In example two, described public electrode 20 is positioned under described pixel electrode 21, and described public electrode 20
For plane-shape electrode, described pixel electrode 21 includes multiple strip shaped electric poles 211.The public electrode of described planar
Form face internal electric field between 20 and multiple strip shaped electric poles 211 of pixel electrode 21, be used for driving liquid crystal to divide
The rotation of son.The common electrode layer forming the plurality of public electrode 20 is additionally operable to form touching of touch-control structure
Control electrode and touching signals wire.Described every touching signals wire electrically connects with touch control electrode accordingly,
In addition at the junction point of touching signals wire and touch control electrode, between described touch control electrode, touch control electrode and
Have between touching signals wire and stitch 29 first quarter parallel with data wire；Stitch 29 and picture described first quarter
Element electrode 21 is overlapping.
Described display panels also includes color membrane substrates 30, and described color membrane substrates 30 is towards array base
Plate side is provided with black matrix" 31, described black matrix" 31 and described a plurality of data lines and scan line pair
Should, and described a plurality of data lines and scan line are blocked.It is additionally provided with coloured silk between black matrix" 31
Color color blocking, described colored color blocking includes blue color blocking B, green color blocking G and red color resistance R.Preferably,
Stitch 29 described first quarter to be arranged on inside the pixel cell that blue color blocking B is corresponding.
Described public electrode also includes that the second quarter stitched 28.Specifically, stitch 28 and be arranged on indigo plant described second quarter
Inside the pixel cell that color color blocking B is corresponding, and in being provided with the pixel cell stitching 28 second quarter not
Arrange and stitch 29 first quarter.The width stitching 28 described second quarter and the width stitching 29 first quarter are identical, and
Stitch described second quarter and stitch 29 the same and strip shaped electric poles 211 overlaps of pixel electrode 21 28 also with the first quarters.
First quarter stitched 29 be arranged on inside the pixel cell that blue color blocking B is corresponding, be because human eye pair
Blue sensitivity is minimum, can reduce the impact that transmitance difference is brought.Further, in order to make indigo plant
The transmitance of the pixel cell that color color blocking B is corresponding is homogeneous, stitches the blue pixel of 29 first quarter being not provided with
In unit, be provided with in public electrode and stitch 28 second quarter, stitch described second quarter 28 and first quarter stitch 29
Width is identical, and also overlapping with the strip shaped electric poles 211 of pixel electrode 21, so, and all blue color blockings
Pixel cell corresponding for B is both provided with the common electrode layer of same width and carves seam, and its display effect is the most equal
One.
Preferably, common electrode layer is additionally provided with metal conducting layer at respective data lines or scan line
32, described metal conducting layer 32 and common electrode layer are electrically connected with, and described metal conducting layer 32 is at printing opacity
Side is overlapping with data wire or scan line fully up, and is also blocked by black matrix" 31.Because it is public
The material of common electrode layer is generally tin indium oxide, and its resistance is relatively big, increases layer of metal conductive layer 32 permissible
Reducing resistance, energy consumption when making touching signals transmit reduces, and because metal conducting layer 32 is hacked colour moment
Battle array 31 is blocked also will not be impacted display.In other embodiments, described metal conducting layer is also
May be located at the lower section of common electrode layer, and and common electrode layer electric connection.
Stitch described first quarter 29 and scan line have coincidence, stitch 29 and scan line overlapping at the first quarter, preferably
Ground, described black matrix" 31 forms the first extension 33 to internal extension of pixel cell, and described first prolongs
Extending portion 33 shield portions stitches 29 first quarter.Specifically, stitch 29 described first quarter and typically all run through multiple row
Pixel cell, therefore stitching 29 first quarter can have overlap with scan line, i.e. overlapping common electrode layer can not be right
Scan line shields, and display will be affected by the electric field of scan line.Therefore in this enforcement
In example, make the first extension 33 of black matrix" 31 that first quarter was stitched 29 and carry out partial occlusion, to eliminate
This impact.Preferably, described first a length of 1 μm of extension 33 can be to abnormal show portion to 3 μm
Divide and block, and also will not take too much aperture opening ratio.Preferably, described first extension 33
Shape can be rectangle or trapezoidal.
Preferably, stitching at 28 at the second quarter, described black matrix" 31 is to pixel cell internal extension formation second
Extension, the shape of described second extension is consistent with the shape of the first extension 33.It was arranged on for the first quarter
Stitch the first extension 33 at the pixel cell of 29 correspondences primarily to block what scan line electric field caused
Display is abnormal, although stitching 28 described second quarter may not have overlapping with scan line, and then does not also result in scanning
Line is exposed to outside common electrode layer, but is because the first extension 33 and can take outs open rate, in order to
Ensure that visual effect is consistent, stitch 28 the most corresponding second quarter and be also provided with the second extension, and described the
The shape of two extensions is consistent with the shape of the first extension 33, takies identical aperture opening ratio, and then ensures
The homogeneity of display.
The embodiment of the present invention three provides a kind of liquid crystal indicator, and refer to Fig. 9 to Figure 11, Fig. 9 is this
The schematic diagram of the array base palte of the liquid crystal indicator that inventive embodiments three provides, Figure 10 is along the line in Fig. 9
The schematic cross-section of D1-D2, the common electrical of the liquid crystal indicator that Figure 11 provides for the embodiment of the present invention three
The schematic diagram of pole layer.
As it can be seen, described liquid crystal indicator includes a plurality of data lines and multi-strip scanning line, such as a plurality of number
According to line D1, D2, D3, D4 and D5, multi-strip scanning line S1, S2 and S3, described a plurality of data lines
Intersecting with the insulation of multi-strip scanning line and limit multiple pixel cell, Fig. 9 illustrate only the picture of three row five row
Element unit.
Each pixel cell includes public electrode 40 and pixel electrode 41, described public electrode 40 and pixel
There is between electrode 41 insulating barrier 42, and described public electrode 40 and pixel electrode 41 are formed in face
?.Specifically, in embodiment three, described public electrode 40 is positioned on described pixel electrode 41,
Described pixel electrode 41 is plane-shape electrode, described public electrode 40 have stitch for the 3rd quarter 48 for and pixel
Electrode 41 forms in-plane field.
Refer to Figure 11, the common electrode layer forming the plurality of public electrode 40 is additionally operable to form touch-control
The touch control electrode 45 of structure and touching signals wire 46.Described every touching signals wire 46 accordingly and
Touch control electrode 45 electrically connects, in addition at the junction point 461 of touching signals wire 46 and touch control electrode 45,
Have between described touch control electrode 45, between touch control electrode 45 and touching signals wire 46 and put down with data wire
First quarter of row stitches 49；At least partly and the 3rd quarter stitched 48 coincidences to stitch 49 described first quarter.
Pixel electrode is plane-shape electrode, and public electrode is formed with seam at quarter, is also a kind of knot forming in-plane field
Structure.The first quarter between touch control electrode 45, between touch control electrode 45 and touching signals wire 46 is stitched
49 stitch 48 coincidences with the 3rd quarter at least in part, can reduce for the first quarter and stitch the aperture opening ratio shared by 49,
Improve the display effect of liquid crystal indicator.Alternatively, the width stitching 49 described first quarter can ratio the 3rd
Carving seam 48 big, both differences are about 1 μm.
Preferably, stitch inside 49 pixel cells being respectively positioned on same color described first quarter.By all first
Carve seam 49 and be arranged on inside the pixel cell of same color, then can visually reduce transmitance difference and cause
Impact.Preferably, all first quarters are stitched 49 and are arranged in the pixel cell that blue color blocking is corresponding,
Because in red, green and blueness, human eye is least sensitive to blueness, can reduce further and pass through
The impact that rate difference causes.
Preferably, common electrode layer is additionally provided with metal conducting layer at respective data lines or scan line,
Described metal conducting layer and common electrode layer are electrically connected with, and described metal conducting layer is in printing opacity side fully up
Overlapping with data wire or scan line, and also blocked by black matrix".Because the material of common electrode layer
Material generally tin indium oxide, its resistance is relatively big, increases layer of metal conductive layer and can reduce resistance, makes to touch
Energy consumption during control signal transmission reduces, and because metal conducting layer blocked by black matrix" also will not be right
Display impacts.In other embodiments, described metal conducting layer may be located on common electrode layer
Lower section.
Preferably, described first quarter stitches and scan line has coincidence, stitches and scan line overlapping at the first quarter,
Described black matrix" forms the first extension to internal extension of pixel cell, shield portions seam at the first quarter.Excellent
Selection of land, a length of 1 μm of described first extension to 3 μm, the shape of described extension can be rectangle or
Person is trapezoidal.
The embodiment of the present invention four provides a kind of liquid crystal indicator, refer to Figure 12 and Figure 13, Tu12Wei
The schematic diagram of the array base palte of the liquid crystal indicator that the embodiment of the present invention four provides, Figure 13 is that the present invention is real
Execute the schematic diagram of the common electrode layer of the liquid crystal indicator that example four provides.Described liquid crystal indicator includes
A plurality of data lines and multi-strip scanning line, such as a plurality of data lines D1, D2, D3, D4 and D5, a plurality of sweep
Retouch line S1, S2 and S3, described a plurality of data lines and the insulation of multi-strip scanning line intersect and limit multiple picture
Element unit, Figure 12 illustrate only the pixel cell of three row five row.
Each pixel cell includes public electrode 50 and pixel electrode 51, described public electrode 50 and pixel
There is between electrode 51 insulating barrier, and described public electrode 50 and pixel electrode 51 form in-plane field.
Specifically, in embodiment four, described public electrode 50 is positioned under described pixel electrode 51, and
Described public electrode 50 is plane-shape electrode, and described pixel electrode 51 includes multiple strip shaped electric poles 511.Institute
State and between the public electrode 50 of planar and multiple strip shaped electric poles 511 of pixel electrode 51, form face internal electric field,
For driving the rotation of liquid crystal molecule.
Refer to Figure 13, the common electrode layer forming the plurality of public electrode 50 is additionally operable to form touch-control
The touch control electrode of structure and touching signals wire 56.Specifically, described touch control electrode include drive electrode 54,
With induction electrode 55.Adjacent two drive electrodes 54 are connected with each other by wherein said touching signals wire 56.
In addition at the junction point 561 of touching signals wire 56 and drive electrode 54, described drive electrode 54, sense
Answer and there is seam at quarter so that it disconnects insulation each other between electrode 55 and touching signals wire 56.Described
Carve seam to include stitching 59 first quarter parallel with data wire, stitch described first quarter 59 and pixel electrode 51 overlapping.
In embodiment four, touch-control structure is the structure of two conductive layers, and wherein common electrode layer is wherein
One layer of conductive layer, which form drive electrode 54, induction electrode 55 and touching signals wire 56, and
Touching signals wire 56 is the wire connecting drive electrode 54.Also include one second conductive layer, described
Being provided with insulating barrier between two conductive layers and described common electrode layer, described second conductive layer is formed with connection
Second touching signals wire of adjacent induction electrode 55, and described second touching signals wire is by position
Two adjacent induction electrodes 55 are electrically connected to each other by the via in described insulating barrier.
In embodiment four, described drive electrode 54, induction electrode 55 are the shape close to rhombus, drive
Between moving electrode 54, induction electrode 55 quarter seam for polyline shaped, the seam at quarter of described polyline shaped include and
Data wire stitches 59 the first quarter in the same direction, stitch described first quarter 59 and pixel electrode 51 overlapping, specifically,
Stitch described first quarter 59 and the strip shaped electric poles 511 of pixel electrode 51 overlap.
Alternatively, in other embodiments, described touching signals wire is by adjacent two induction electrode phases
Electrical connection mutually, adjacent two drive electrodes are mutually electrically connected by described second touching signals wire by insulating barrier
Connect.
In the liquid crystal indicator that foregoing invention embodiment four provides, described touch-control structure is the mutual of bilayer
Capacitance structure.In other embodiments, described common electrode layer can be also used for forming double-deck electricity certainly
Hold structure.
The another kind of liquid crystal provided for the embodiment of the present invention four next referring to Figure 14 and Figure 15, Figure 14
The schematic diagram of the common electrode layer of showing device, the another kind of liquid crystal that Figure 15 provides for the embodiment of the present invention four
The schematic diagram of the array base palte of showing device.
As it can be seen, described liquid crystal indicator includes a plurality of data lines and multi-strip scanning line, such as a plurality of number
According to line D1, D2, D3, D4 and D5, multi-strip scanning line S1, S2 and S3, described a plurality of data lines
Intersecting with the insulation of multi-strip scanning line and limit multiple pixel cell, Figure 15 illustrate only the picture of three row five row
Element unit.
Each pixel cell includes public electrode 60 and pixel electrode 61, described public electrode 60 and pixel
There is between electrode 61 insulating barrier, and described public electrode 60 and pixel electrode 61 form in-plane field.
Specifically, in the array base palte of the another kind of liquid crystal indicator of embodiment four, described public electrode 60
Being positioned on described pixel electrode 61, described pixel electrode 60 is plane-shape electrode, described public electrode 61
Have and stitch 68 the 3rd quarter for forming in-plane field with pixel electrode 60.
Refer to Figure 15, the common electrode layer forming the plurality of public electrode 60 is additionally operable to form touch-control
Structure touch control electrode and touching signals wire 66, described touch control electrode includes drive electrode 64, induction electrode
65, adjacent two drive electrodes 64 are connected with each other by wherein said touching signals wire 66.Except touch-control is believed
Outside at the junction point 661 of number wire 66 and drive electrode 64, described drive electrode 64, induction electrode 65
And there is seam at quarter so that it disconnects insulation each other between touching signals wire 66.Described quarter seam include and
Data wire stitches 69 at parallel the first quarter, stitch described first quarter 69 and pixel electrode 61 overlapping.
In the another kind of liquid crystal indicator of embodiment four, touch-control structure is the structure of two conductive layers,
Wherein common electrode layer is wherein one layer of conductive layer, which form drive electrode 64, induction electrode 65 and
Touching signals wire 66, and the wire that touching signals wire 66 is connection drive electrode 64.Also include
One second conductive layer, is provided with insulating barrier between described second conductive layer and described common electrode layer, described
Second conductive layer is formed with the second touching signals wire connecting adjacent induction electrode 65, and described second
Touching signals wire is by being positioned at the via of described insulating barrier by two adjacent induction electrode 65 phases
Electrical connection mutually.
In the another kind of liquid crystal indicator of embodiment four, described drive electrode 64, induction electrode 65 are
Close to the shape of rhombus, the seam at quarter between drive electrode 64, induction electrode 65 is polyline shaped, described folding
Wire carve seam include stitching 69 the first quarter in the same direction with data wire, stitch described first quarter 69 and pixel electricity
Pole 51 is overlapping, and specifically, at least partly and the 3rd quarter stitched 68 coincidences to stitch 69 described first quarter.Alternatively,
The width stitching 69 described first quarter can be 68 bigger than the 3rd quarter stitched, and both differences are about 1 μm
Preferably, common electrode layer is additionally provided with metal conducting layer at respective data lines or scan line,
Described metal conducting layer and common electrode layer are electrically connected with, and described metal conducting layer is in printing opacity side fully up
Overlapping with data wire or scan line, and also blocked by black matrix".Because the material of common electrode layer
Material generally tin indium oxide, its resistance is relatively big, increases layer of metal conductive layer and can reduce resistance, makes to touch
Energy consumption during control signal transmission reduces, and because metal conducting layer blocked by black matrix" also will not be right
Display impacts.In other embodiments, described metal conducting layer may be located on public electrode
Lower section.
Preferably, stitch described first quarter 69 and scan line have coincidence, stitch 69 and scan line weight at the first quarter
Folded place, black matrix" forms the first extension to internal extension of pixel cell, and shield portions stitches 69 first quarter.
Specifically, stitch 69 described first quarter and typically all run through multiple row pixel cell, therefore stitch 69 meetings the first quarter
Have overlap with scan line, i.e. scan line can not be shielded by overlapping common electrode layer, the electricity of scan line
Display will be affected by field.The most in the present embodiment, the first of black matrix" is made to extend
First quarter was stitched 69 and carries out partial occlusion by portion, to eliminate this impact.Preferably, described first extends minister
Degree is that abnormal show part can be blocked by 1 μm to 3 μm, and also will not take too much opening
Mouth rate.Preferably, the shape of described extension can be rectangle or trapezoidal.
Preferably, stitch inside 69 pixel cells being respectively positioned on same color described first quarter.By all first
Carve seam 69 and be arranged on inside the pixel cell of same color, then can visually reduce transmitance difference and cause
Impact.Preferably, all first quarters are stitched 69 and are arranged in the pixel cell that blue color blocking is corresponding,
Because in red, green and blueness, human eye is least sensitive to blueness, can reduce further and pass through
The impact that rate difference causes.
In the another kind of liquid crystal indicator that foregoing invention embodiment four provides, described touch-control structure is double
The mutual capacitance structure of layer.In other embodiments, described common electrode layer can be also used for forming bilayer
Self-capacitance structure.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.Obviously, originally
The technical staff in field the present invention can be carried out various change and modification without deviating from the present invention spirit and
Scope.So, if these amendments of the present invention and modification belong to the claims in the present invention and equivalent skill thereof
Within the scope of art, then the present invention is also intended to comprise these change and modification.
Claims (13)
1. a liquid crystal indicator, it is characterised in that include a plurality of data lines and multi-strip scanning line, described
A plurality of data lines and the insulation of multi-strip scanning line are intersected and limit multiple pixel cell；
Each pixel cell includes public electrode and pixel electrode, between described public electrode and pixel electrode
Having insulating barrier, and described public electrode and pixel electrode form in-plane field, multiple described public electrodes are even
Be connected together formation common electrode layer；
Described common electrode layer is additionally operable to be formed touch control electrode and touching signals wire, every described touch-control letter
Number wire and the electrical connection of corresponding touch control electrode, in addition to the junction point of touching signals wire and touch control electrode,
There is between described touch control electrode, between touch control electrode and touching signals wire first quarter parallel with data wire
Seam；
In pixel cell, described first quarter stitches and pixel electrode is overlapping.
2. liquid crystal indicator as claimed in claim 1, it is characterised in that described public electrode is positioned at described
Under pixel electrode, described pixel electrode includes multiple strip shaped electric poles, in pixel cell, and described first quarter
The strip shaped electric poles of seam and pixel electrode has overlap.
3. liquid crystal indicator as claimed in claim 2, it is characterised in that on printing opacity direction, described the
In the projection of the strip shaped electric poles that the projection that a moment stitches falls into pixel electrode, and the edge that described first quarter stitches
To the distance at edge of strip shaped electric poles less than or equal to 1 μm；Or, on printing opacity direction, described pixel electrode
The projection of strip shaped electric poles fall into first quarter seam projection in, and described first quarter seam edge to strip
The distance at the edge of electrode is less than or equal to 1 μm.
4. liquid crystal indicator as claimed in claim 1, it is characterised in that described public electrode is positioned at described
On pixel electrode, described pixel electrode is plane-shape electrode；In pixel cell, described public electrode has
3rd quarter stitched, and had the described public electrode stitched described 3rd quarter for forming in-plane field, institute with pixel electrode
State and be stitched to for the first quarter partially stitch overlap with the 3rd quarter.
5. liquid crystal indicator as claimed in claim 1, it is characterised in that described first quarter seam be positioned at same
In the pixel cell of color.
6. liquid crystal indicator as claimed in claim 5, it is characterised in that described first quarter stitches and is positioned at blueness
In pixel cell.
7. liquid crystal indicator as claimed in claim 2, it is characterised in that be not provided with first quarter seam picture
Element unit in, described public electrode have second quarter seam, described second quarter seam width equal to first quarter seam
Width, and described second quarter seam and the strip shaped electric poles of pixel electrode have overlap.
8. liquid crystal indicator as claimed in claim 5, it is characterised in that in blue pixel cells,
Be not provided with first quarter seam pixel cell in, described public electrode have second quarter seam, described second quarter seam
Width equal to first quarter seam width, and described second quarter seam and the strip shaped electric poles of pixel electrode have weight
Folded.
9. liquid crystal indicator as claimed in claim 1, it is characterised in that described liquid crystal indicator includes
Blocking the black matrix" of data wire and scan line, described first quarter stitches and scan line has coincidence, at the first quarter
Seam and scan line overlapping, described black matrix" forms the first extension to internal extension of pixel cell, described
First extension shield portions seam at the first quarter.
10. liquid crystal indicator as claimed in claim 9, it is characterised in that the first of described black matrix" prolongs
A length of 1 μm of extending portion is to 3 μm.
11. liquid crystal indicators as claimed in claim 9, it is characterised in that the first of described black matrix" prolongs
Extending portion be shaped as rectangle or trapezoidal.
12. liquid crystal indicators as claimed in claim 9, it is characterised in that be not provided with first quarter seam picture
Element unit in, described public electrode have second quarter seam, described second quarter seam width equal to first quarter seam
Width, and described second quarter seam and the strip shaped electric poles of pixel electrode have overlap；At the second quarter seam, institute
State black matrix" and form the second extension to internal extension of pixel cell, and the shape of described second extension
Identical with the shape of the first extension.
13. liquid crystal indicators as claimed in claim 1, it is characterised in that above common electrode layer or
Below person, at respective data lines or scan line, it is additionally provided with metal conducting layer, described metal conducting layer and public affairs
Common electrode layer is electrically connected with.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410284408.6A CN104062817B (en) | 2014-06-23 | A kind of liquid crystal indicator with touch controllable function | |
| US14/555,006 US9280014B2 (en) | 2014-06-23 | 2014-11-26 | Liquid crystal display device with touch function |
| DE102014117394.5A DE102014117394A1 (en) | 2014-06-23 | 2014-11-27 | Liquid crystal display device with touch function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410284408.6A CN104062817B (en) | 2014-06-23 | A kind of liquid crystal indicator with touch controllable function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104062817A CN104062817A (en) | 2014-09-24 |
| CN104062817B true CN104062817B (en) | 2016-11-30 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788733A (en) * | 2009-01-26 | 2010-07-28 | 索尼公司 | Display apparatus and information input apparatus |
| CN102375258A (en) * | 2010-08-10 | 2012-03-14 | 乐金显示有限公司 | Liquid crystal display device having touch sensor embedded therein, method for driving the same, and method for fabricating the same |
| CN103364983A (en) * | 2012-03-29 | 2013-10-23 | 乐金显示有限公司 | Liquid crystal display device and method of manufacturing the same |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788733A (en) * | 2009-01-26 | 2010-07-28 | 索尼公司 | Display apparatus and information input apparatus |
| CN102375258A (en) * | 2010-08-10 | 2012-03-14 | 乐金显示有限公司 | Liquid crystal display device having touch sensor embedded therein, method for driving the same, and method for fabricating the same |
| CN103364983A (en) * | 2012-03-29 | 2013-10-23 | 乐金显示有限公司 | Liquid crystal display device and method of manufacturing the same |
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