CN103713414B - Touch-control liquid crystal display panel and device - Google Patents
Touch-control liquid crystal display panel and device Download PDFInfo
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- CN103713414B CN103713414B CN201310703713.XA CN201310703713A CN103713414B CN 103713414 B CN103713414 B CN 103713414B CN 201310703713 A CN201310703713 A CN 201310703713A CN 103713414 B CN103713414 B CN 103713414B
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Abstract
The embodiment of the invention discloses a kind of touch-control liquid crystal display panel and device, belong to technical field of liquid crystal display.Wherein said touch-control liquid crystal display panel includes: colored filter substrate, array base palte, a plurality of gate line, a plurality of data lines and touch control layer, a plurality of data lines and gate line intersect and distribution insulated from each other, and wherein two adjacent data lines gate line area defined adjacent with intersect two constitutes a pixel cell；Touch control layer, is positioned on array base palte；Wherein, touch control layer is provided with multiple induction electrode and multiple drive electrode, the wiring route of each induction electrode and the wiring route of each drive electrode are all distributed in comb teeth-shaped, the wiring route of each induction electrode and the wiring route of each drive electrode all include keeping a vertical interval and the transverse direction wiring being oppositely arranged and vertical wiring respectively with gate line and data wire, and it is electrically connected between the transverse direction wiring of induction electrode and vertical wiring, is electrically connected between transverse direction wiring and the vertical wiring of drive electrode.The embodiment of the present invention can improve the light transmittance of display panels.
Description
Technical field
The present invention relates to technical field of liquid crystal display, particularly to a kind of touch-control liquid crystal display panel and device.
Background technology
Along with science and technology growing, the digitization tools such as mobile phone, personal digital assistant, notebook computer develop towards direction convenient, multi-functional and attractive in appearance, wherein display screen is man-machine communication interface indispensable in these equipment, at present, the display screen of main flow mostly adopts lcd technology.On the other hand, fast development and application along with information technology, radio mobile communication and information household appliances, in order to reach more convenient, lighter and handier and more humane purpose, many information products are by device inputs such as traditional keyboard or mouses, transfer use touch panel (TouchPanel) to as input equipment, wherein, touch control type LCD device has become main product.
In existing touch screen, traditional touch screen is to attach other touch modules composition outside display floater, that is, the device that touch screen and display floater are independent from, simply simply touch screen is fixed on display floater front, form touch control display system, in this manner, touch screen needs respective support substrate with display, thus whole touch control display system needs to occupy bigger thickness, the ultra-thin requirement of some hand-held devices and portable set can not be met, and be unfavorable for saving production cost.On the other hand, owing to touch screen and display floater are independent from arranging, therefore the para-position of its attachment process is relatively difficult, and along with the increase of access times, due to the thrust of finger pressing, touch-control module can with display floater generation relative displacement, and then locating bias when can cause touch control operation.In order to solve in above-mentioned conventional touch screen display floater and touch screen due to separate setting Problems existing, a lot of manufacturers propose to be combined in inside display floater by the touch sensible parts in touch screen, form the touch control display system of " embedded ", i.e. embedded touch display device.But in existing embedded touch display device, it is necessary to row, column both direction being set inside display floater for detecting two detection lines of position, therefore greatly reducing the aperture opening ratio of display floater, thus causing that the penetration power of display floater declines.
According to the difference of touch-control display panel operation principle, touch control display panel is divided into resistance-type, condenser type etc., and wherein, capacitance type touch control screen is owing to having life-span length, can support that the advantages such as multi-point touch become the touch screen technology of current main flow.Capacitive touch screen includes surface capacitance type and projected capacitive, and wherein projected capacitive can be divided into again self-capacitance and mutual capacitance type.Self-capacitance is at glass surface tin indium oxide (Indiumtinoxide, ITO, a kind of transparent conductive material) it is fabricated to induction electrode and driving electrode array, when finger touches capacitance plate, the electric capacity of finger will be added in screen body capacitance, makes screen body capacitance amount increase.When touching detection, self-capacitance screen detects induction electrode and driving electrode array successively respectively, determines the coordinate of touch point according to the change of electric capacity before and after touching.The type of drive of self-capacitance, is equivalent to the touch point on touch screen to project to respectively X-axis and Y direction, then calculates coordinate in X-axis and Y direction respectively, be finally combined into the coordinate of touch point.The principle of mutual capacitance type touch screen is as shown in Figure 1, mutual capacitance screen is also make induction electrode Rx and drive electrode Tx at glass surface, it and self-capacitance are distinctive in that, the place that two arrays of electrodes intersects will form coupling electric capacity Cm, and namely this two arrays of electrodes has respectively constituted the two poles of the earth of coupling electric capacity Cm.When finger touches capacitance plate, have impact on the coupling between two electrodes near touch point, thus the size of the coupling electric capacity Cm changed between the two electrode.During detection mutual capacitance size, induction electrode sends pumping signal, so drive electrode accepts signal, so can obtain the capacitance size of all induction electrodes and drive electrode joint, i.e. the capacitance size of the two dimensional surface of whole touch screen.According to touch screen two-dimensional capacitance change data, it is possible to calculate the coordinate of each touch point, therefore, even if screen has multiple touch point, the actual coordinate of each touch point can also be calculated.
In existing mutual capacitance type touch screen, it is that induction electrode Rx and drive electrode Tx is made of two-layer ITO conductive material layer respectively, is arranged on two non-coplanar parallel surfaces, this touch screen complex manufacturing, and ITO conductive material resistance is relatively big, affect the precision of touch screen.But, if adopting lighttight metal wire to make induction electrode Rx and drive electrode Tx, can cause that again the light transmittance of this touch control type LCD device is relatively low.
Summary of the invention
The present invention provides a kind of touch-control liquid crystal display panel and device, to solve the problems such as existing touch control type LCD device light transmittance is low.Described touch-control liquid crystal display panel includes:
Colored filter substrate；
Array base palte；
A plurality of gate line；
A plurality of data lines, intersects with described gate line and distribution insulated from each other, and wherein two adjacent data lines gate line area defined adjacent with intersect two constitutes a pixel cell；
Touch control layer, is positioned on described array base palte；
Wherein, described touch control layer includes multiple touch control unit, and each described touch control unit is provided with an induction electrode and at least one drive electrode,
Described induction electrode includes one and described data wire keeps a vertical interval and the vertical wiring overlapped in vertical direction with described data wire, and a plurality of and described gate line keeps a vertical interval and the transverse direction wiring overlapped in vertical direction with described gate line, one end of described a plurality of laterally wiring is electrically connected with described vertical wiring, the other end sky of described a plurality of laterally wiring connects
Described drive electrode includes one and described data wire keeps a vertical interval and the vertical wiring overlapped in vertical direction with described data wire, and at least one and described gate line keep a vertical interval and overlap with described gate line in vertical direction transverse direction wiring, one end of described a plurality of laterally wiring is electrically connected with described vertical wiring, and the other end sky of described a plurality of laterally wiring connects.
In one embodiment of the invention, the transverse direction wiring of described induction electrode and the vertical wiring of described induction electrode intersect vertically, and the transverse direction wiring of described drive electrode and the vertical wiring of described drive electrode intersect vertically.
In one embodiment of the invention, at least one laterally wiring of described drive electrode is set between the adjacent transverse wiring of described induction electrode, at least one laterally wiring of described induction electrode is set between the adjacent transverse wiring of described drive electrode.
In one embodiment of the invention, laterally connecting up every two laterally arrange described drive electrode between wiring two of described induction electrode, two laterally wirings that described induction electrode is set between two horizontal wirings of described drive electrode.
In one embodiment of the invention, it is provided with at least one vertical connecting line between two adjacent transverse wirings of described induction electrode or between two adjacent transverse wirings of described drive electrode.
In one embodiment of the invention, the width of the wiring route of the wiring route of described induction electrode and described drive electrode is less than the width of the width of described data wire or described gate line.
In one embodiment of the invention, described touch-control liquid crystal display panel also includes being arranged at the upper polaroid above described array base palte, is arranged at the cover plate above described upper polaroid and the liquid crystal layer between array base palte and colored filter substrate, described gate line and described data wire are arranged on described array base palte, described colored filter substrate is formed black matrix", the wiring route of described induction electrode and the wiring route of described drive electrode keep a vertical interval with described black matrix" and overlap in vertical direction.
In one embodiment of the invention, described touch control layer is arranged on described array base palte and towards the side of described liquid crystal layer.
In one embodiment of the invention, described touch control layer is arranged on described array base palte and towards the side of upper polaroid, described upper polaroid is arranged at the outside of described array base palte.
The present invention also provides for a kind of touch control type LCD device, including the touch-control liquid crystal display panel according to any one of claim 1-9.
The technical scheme that the embodiment of the present invention provides has the benefit that
By touch control layer is arranged on array base palte, and the wiring route of the wiring route of each induction electrode and each drive electrode all includes keeping a vertical interval and the transverse direction wiring being oppositely arranged and vertical wiring respectively with gate line and data wire, it is electrically connected between transverse direction wiring and the vertical wiring of induction electrode, is electrically connected between transverse direction wiring and the vertical wiring of drive electrode.Owing to the wiring route of induction electrode and drive electrode is all oppositely arranged with gate line and data wire, thus the reflection of backlight can be strengthened, improve brightness, improve the light transmittance of display panels.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, and can be practiced according to the content of description, and in order to the above and other purpose of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Accompanying drawing explanation
Fig. 1 is the principle schematic of mutual capacitance type touch screen；
Fig. 2 is the cross-sectional view of touch-control liquid crystal display panel in first embodiment of the invention；
Fig. 3 is the structural representation of touch control layer in first embodiment of the invention；
Fig. 4 is the wiring route of the induction electrode of touch-control liquid crystal display panel and the wiring route of drive electrode perspective view on pixel cell in first embodiment of the invention；
Fig. 5 is the schematic equivalent circuit of touch-control liquid crystal display panel in first embodiment of the invention；
Fig. 6 is the wiring route of the induction electrode of touch-control liquid crystal display panel and the wiring route of drive electrode perspective view on pixel cell in second embodiment of the invention；
Fig. 7 is the cross-sectional view of touch-control liquid crystal display panel in third embodiment of the invention.
Detailed description of the invention
For further setting forth that the present invention reaches technological means and effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to the present invention propose touch-control liquid crystal display panel and its detailed description of the invention of device, structure, feature and effect, describe in detail as after.
For the present invention aforementioned and other technology contents, feature and effect, can clearly present in following cooperation describes in detail with reference to graphic preferred embodiment.By the explanation of detailed description of the invention, when can be reach technological means that predetermined purpose takes and effect is able to more deeply and concrete understanding to the present invention, however institute's accompanying drawings be only to provide with reference to and purposes of discussion, be not used for the present invention is any limitation as.
Embodiment one:
Fig. 2 illustrates the cross-sectional view of touch-control liquid crystal display panel in first embodiment of the invention.Refer to the touch-control liquid crystal display panel shown in Fig. 1, Fig. 1 to include: array base palte 12, colored filter substrate 14, be arranged at the upper polaroid 15 above array base palte 12, be arranged at the lower polaroid 16 below colored filter substrate 14, be arranged at the cover plate 18 above polaroid 15 and the liquid crystal layer between array base palte 12 and colored filter substrate 14 13.Described touch-control liquid crystal display panel also includes touch control layer 101, and wherein, in the present embodiment, touch control layer 101 is arranged on array base palte 12 and towards the side of upper polaroid 15.Namely in practical application, the array base palte 12 of this touch-control liquid crystal display panel is located close to the side of human eye, and colored filter substrate 14 is positioned at the side of close backlight of display floater, so, it is to avoid due to the conductive layer that is separated with between touch control layer 101 and finger outside touch control layer 121 and the problem affecting touch-control effect.
It is the structural representation in touch control layer 101 in first embodiment of the invention that the concrete structure of touch control layer 101 refer to Fig. 3, Fig. 3.As shown in Figure 3, the wiring area of touch control layer 101 includes A, B, C tri-part, wherein, part A is positioned at the viewing area of glass substrate, and the touch control layer 101 of part A includes multiple touch control unit being made up of the line of induction 201 and driving line 203, being provided with an induction electrode 201 and multiple drive electrode 203 on each touch control unit, induction electrode 201 is positioned on same layer with drive electrode 203 and each drive electrode 203 and adjacent induction electrode 201 form mutual capacitance；Part B is positioned at the welding region of glass substrate periphery, and induction electrode 201 is routed in part A, part B for arranging with layer with drive electrode 203；C portion is positioned in the flexible circuit board that the neighboring area with glass substrate is connected, drive electrode 203 and induction electrode 201 are by behind part B region, it is connected with the driving line (in Fig. 3 Q1, Q2, Q3) in flexible circuit board and the line of induction (in Fig. 3 G1, G2, G3) respectively, namely drive electrode 203 and induction electrode 201 couple together respectively through the driving line in peripheral flexible circuit board and the line of induction, and via driving line and the line of induction to be connected with external driver device, the induction electrode 201 of C portion is respectively provided with on the different layers with the wiring of drive electrode 203.
The concrete wiring route of induction electrode 201 and drive electrode 203 refer to shown in Fig. 4, and Fig. 4 is the wiring route of induction electrode 201 and drive electrode 203 perspective view on pixel cell in one of them touch control unit of touch control layer 101 in first embodiment of the invention.Please also refer to Fig. 2 and Fig. 4, array base palte 12 arranges a plurality of gate line 102, a plurality of data lines 104.Extending in the row direction and intersect (such as intersecting vertically) and distribution insulated from each other along gate line 102 and the data wire 104 extended along column direction and arrange in the row direction of column direction arrangement, two adjacent data line 104 gate lines 102 adjacent with two area defined that intersects constitutes a pixel cell.
Please also refer to Fig. 3 with as shown in Figure 4, touch control layer 101 includes multiple touch control unit, each touch control unit includes an induction electrode 201 and three drive electrodes 203, in the present embodiment, the wiring route 301 of induction electrode 201 includes nine laterally wiring 305 and the vertical wirings 307 intersected vertically with laterally wiring 305, the wiring route 303 of each drive electrode 203 includes three and laterally connects up 309 and laterally connect up the 309 vertical wirings 311 intersected vertically with three, three vertical wirings 311 of three drive electrodes 203 in each touch control unit are along row to extending and arranged in parallel.And the nine of induction electrode 201 being laterally electrically connected between wiring 305 and a vertical wiring 307, three of each drive electrode 203 are laterally electrically connected between wiring 309 and a vertical wiring 311.Meanwhile, the transverse direction wiring 305 of induction electrode 201 is parallel with gate line 102 and overlap in vertical direction with gate line 102 respectively and keep a vertical interval with gate line 102 with the wiring 309 of the transverse direction of drive electrode 203.The vertical wiring 307 of induction electrode 201 is parallel with data wire 104 with the vertical wiring 311 of drive electrode 203 and overlaps in vertical direction with data wire 104 respectively and is keeping a vertical interval with data wire 104.
In the present embodiment, the transverse direction wiring 305 of induction electrode 201 and the transverse direction of drive electrode 203 connect up 309 intervals and arrange, namely one laterally wiring 309 of drive electrode 203 is set between every two adjacent transverse directions wiring 305 of induction electrode 201, the transverse direction wiring 305 of an induction electrode 201 is set between every two adjacent transverse directions wiring 309 of drive electrode 203.One end of the transverse direction wiring 305 of induction electrode 201 is electrically connected with the vertical wiring 307 of induction electrode 201, and the other end sky of the transverse direction wiring 305 of induction electrode 201 connects.The vertical wiring 307 of induction electrode 201 laterally connects up 305 electric connections with a plurality of of induction electrode 201.One end of the transverse direction wiring 309 of drive electrode 203 is electrically connected with the vertical wiring 311 of drive electrode 203, and other end sky connects.In other embodiments, the position of the wiring route 301 of induction electrode 201 and the wiring route 303 of drive electrode 203 can also exchange, namely the wiring route 301 of induction electrode 201 can also as the wiring route of drive electrode 203, and the wiring route 303 of drive electrode 203 can also as the wiring route of induction electrode 201.
Can be seen that from Fig. 3 and Fig. 4, in the number of touch control unit and each touch control unit, the wiring route of induction electrode 201 and drive electrode 203 is that the structure according to pixel cell is configured, such as in the present embodiment, the number of the pixel cell of touch-control liquid crystal display panel is 17 х 23, namely this display panels is made up of 17 row, 23 row pixel cells, each touch control unit covers 17 row therein and 7 row pixel cells, three such touch control units arranged distribution in the row direction on touch area, forms whole touch control layer 101.In other embodiments, the number of the pixel cell of touch-control liquid crystal display panel is alternatively other numerical value, at this and be not specially limited.
In the present embodiment, each touch control unit is provided with an induction electrode 201 and three drive electrodes 203, the transverse direction wiring 305 of nine of three drive electrodes 203 laterally wiring 309 and induction electrodes 201 is along column direction arranged distribution, and every three laterally vertically connecting up of wiring 309 and a drive electrode 203 311 electrically connect, that is the touch area at each touch control unit place be divide into three parts by the present invention in a column direction, every part includes three three laterally wirings 305 laterally connecting up 309 and induction electrode 201 of one of them drive electrode 203, in order to determine a touch point.Namely three of drive electrode 203 laterally wiring 309 is used for determining the Y coordinate of this touch point, and induction electrode 201 is used for determining the X-coordinate of this touch point.Because the width of the touch point that each touch control unit width in the row direction is formed relative to finger is less in the present invention, the whole touch area at its place coordinate in the X direction may be considered identical, therefore in single touch control unit, the X-coordinate of three touch points is all identical, arranges an induction electrode；Simultaneously, because each touch control unit along column direction covering liquid LCD panel wherein 7 row all pixel cells, bigger relative to the length of the touch point of finger formation, therefore the present invention divide into three parts in a column direction each touch control unit, the corresponding Y coordinate of every part, the corresponding touch point of every part, is determined the Y coordinate of this touch point by a drive electrode 203 corresponding with this part simultaneously.
nullIn other embodiments，Each touch control unit can include an induction electrode 201 and multiple drive electrode 203，It is not limited to three，Because on each touch control unit covering liquid LCD panel wherein 7 row all pixel cells，When the number of display panels pixel cell along column direction is more，It is greater than 17，It is accomplished by each touch control unit is divided into more part in a column direction，Make each part length along column direction length less than touch point，So that determining the Y coordinate of this touch point accurately，At this moment，It is accomplished by each touch control unit, arrange more drive electrode 203，And the wiring route 303 of each drive electrode 203 can include a plurality of laterally wiring 309，It is not limited to three，The wiring route 301 of induction electrode 201 can include a plurality of laterally wiring 305 simultaneously，It is not limited to nine，The namely number of drive electrode 203 in each touch control unit、The wiring route of each drive electrode 203 and induction electrode 201 can be arranged according to the size of touch-control liquid crystal display panel，At this and be not specially limited.
Further, the wiring route of induction electrode 201 and drive electrode 203 is that the structure according to pixel cell carries out connecting up, in the present embodiment, arrange because data wire 104 and gate line 102 are square crossings, therefore induction electrode 201 laterally wiring 305 intersects vertically with vertical wiring 307, transverse direction wiring 309 and the vertical wiring 311 of drive electrode 203 also intersect vertically, in other embodiments, the wiring route 301 of induction electrode 201 can also be different and different according to the structure of pixel cell with the wiring route 303 of drive electrode 203, at this and seldom limit.
Additionally, in the present embodiment, the width of the width of the wiring route 301 of induction electrode 201 and the wiring route 303 of drive electrode 203 width less than data wire 104 and gate line 102, the signal of transmission on gate line 102 and data wire 104 is interfered by the wiring route of wiring route 301 and drive electrode 203 to prevent induction electrode 201.
Additionally, in the present embodiment, the wiring route 301 of induction electrode 201 and the wiring route 303 of drive electrode 203 can be formed by metal material.The wiring route 303 of wiring route 301 and drive electrode 203 owing to adopting the induction electrode 201 of metal material formation is light tight, the wiring route 303 of the wiring route 301 of induction electrode 201 and drive electrode 203 is overlapped with data wire 104 and gate line 102, it is possible to improve the light transmittance of display panels；Simultaneously, in the present embodiment, colored filter substrate 14 is formed black matrix" 141, the wiring route 301 of induction electrode 201 and the wiring route 303 of drive electrode 203 keep a vertical interval with black matrix" 141 and overlap in vertical direction, namely black matrix" 141 is just arranged by the wiring route 301 of induction electrode 201 and the wiring route 303 of drive electrode 203, so can improve the light transmittance of display panels further.
Fig. 5 illustrates the schematic equivalent circuit of touch-control liquid crystal display panel in first embodiment of the invention, and described equivalent circuit diagram includes the mutual capacitance 43 between signal source 41, drive electrode resistance 42, drive electrode 203 and induction electrode 201, induction electrode resistance 45, testing circuit 46.Wherein, signal source 41 for applying to drive signal on drive electrode 203；Testing circuit 46 is then for signal detection.When finger touches touch screen, some electric current flows into finger, the change of the mutual capacitance 43 being equivalent between drive electrode 203 and induction electrode 201, measures, from testing circuit 46, the weak current change that described mutual capacitance 33 change causes, so that it is determined that the position that finger touches.
In sum, the touch-control liquid crystal display panel that the present embodiment provides, by touch control layer is arranged on array base palte, and the wiring route of the wiring route of each induction electrode and each drive electrode all includes keeping a vertical interval and the transverse direction wiring overlapped and vertical wiring respectively with gate line and data wire, it is electrically connected between transverse direction wiring and the vertical wiring of induction electrode, is electrically connected between transverse direction wiring and the vertical wiring of drive electrode.Owing to the wiring route of induction electrode and drive electrode is all oppositely arranged with gate line and data wire, thus the reflection of backlight can be strengthened, improve brightness, improve the light transmittance of display panels.
Additionally, the embodiment of the present invention is also by the wiring route making induction electrode and drive electrode with metal, impedance is less, can effectively eliminate the impact of grating effect when making touch-control liquid crystal display panel in prior art and lozenge, the wiring route that metal makes can be made by the mode of plated film, it is thus possible to reduce plated film thickness, shorten the plated film time and reduce coating cost.
In addition, the embodiment of the present invention is also by the wiring route of induction electrode and drive electrode arranges different shapes and size according to dot structure, it is free between shape and induction electrode and the drive electrode of designing wiring circuit the size of inductance capacitance, and higher touch-control resolution can be reached, wiring route is uniform simultaneously, and therefore impedance matching is better.
Furthermore, the embodiment of the present invention also overlaps with the black matrix" on colored filter substrate because of wiring route, can strengthen the reflection of backlight, improves brightness, improves the light transmittance of display panels.
Embodiment two:
Fig. 6 illustrates the wiring route 303 of the wiring route 301 of the induction electrode 201 of touch-control liquid crystal display panel in second embodiment of the invention and drive electrode 203 perspective view on pixel cell.Touch-control liquid crystal display panel structure in second embodiment shown in Fig. 6 arranges and arranges similar to touch-control liquid crystal display panel structure in first embodiment, and simply the wiring route 301 of induction electrode 201 is different from the wiring route in Fig. 4 with the wiring route 303 of drive electrode 203.
Specifically refer to Fig. 6, in Fig. 6, the wiring route 301 of induction electrode 201 and the wiring route 303 of drive electrode 203 are similar to Fig. 4, the wiring route 301 of induction electrode 201 includes a plurality of laterally wiring 305 and the vertical wiring 307 intersected vertically with laterally wiring 305, the wiring route 303 of drive electrode 203 include a plurality of laterally wiring 309 and with a plurality of vertical wirings 311 that laterally wiring 309 intersects vertically.Itself and Fig. 4 are different in that, the transverse direction wiring 305 of induction electrode 201 and transverse direction wiring 309 interval between two of drive electrode 203 are arranged, namely every two induction electrodes 201 transverse direction connect up 305 arrange two drive electrodes 203 transverse directions wiring 309, every two drive electrodes 203 transverse direction connect up 309 arrange two induction electrodes 201 transverse directions wiring 305.Further, the vertical connecting line 304 along column direction distribution is also set up between two adjacent transverse direction wirings 305 of induction electrode 201, the vertical connecting line 304 of induction electrode 201 is parallel with data wire 104 and keeps a vertical interval respectively with data wire 104 and overlaps with data wire 104 in vertical direction, at this, vertical connecting line 304 connects up 305 with two adjacent transverse and contacts, and the length of vertical connecting line 304 connects up the spacing of 305 more than two adjacent transverse, but the transverse direction wiring 309 not connecting up the drive electrode 203 of 305 both sides with adjacent transverse contacts；It is additionally provided with the vertical connecting line 306 along column direction distribution between two adjacent transverse direction wirings 309 of drive electrode 203, the vertical connecting line 306 of drive electrode 203 is parallel with data wire 104 and keeps a vertical interval respectively with data wire 104 and overlaps with data wire 104 in vertical direction, at this, vertical connecting line 306 connects up 309 with two adjacent transverse and contacts, and the length of vertical connecting line 306 connects up the spacing of 309 more than two adjacent transverse, but the transverse direction wiring 305 not connecting up the induction electrode 203 of 309 both sides with adjacent transverse contacts.Meanwhile, the vertical connecting line 304 of induction electrode 201 does not contact with the vertical connecting line 306 of drive electrode 203.So, when not affecting light transmittance, increase induction electrode 201 and the cross-sectional area of drive electrode 203, thus increasing induction electrode 201 and the coupling electric capacity of drive electrode 203 infall, when finger touches capacitance plate, near touch point, the change coupling electric capacity between two electrodes will become apparent from, thus improving touch-control degree of accuracy and the sensitivity of touch-control liquid crystal display panel.
In the present embodiment, two adjacent vertically connecting up of drive electrode 203 are additionally provided with, between 311, the lateral connection line 308 being distributed in the row direction, and lateral connection line 308 is parallel with gate line 102 and keeps a spacing respectively with gate line 102 in vertical direction and overlaps with gate line 102 in vertical direction.At this, lateral connection line 308 vertical wiring 311 adjacent with two contacts, and the spacing of the length of lateral connection line 308 vertical wiring 311 adjacent more than two.In other embodiments, it is also possible to do not include lateral connection line 308.
The wiring route 301 of the induction electrode 201 of the present embodiment and the wiring route 303 of drive electrode 203 arrange to compare and design more crypto set in first embodiment, on the one hand, can improve touch-control degree of accuracy and the sensitivity of touch-control liquid crystal display panel；On the other hand, compared to first embodiment, owing to the induction electrode 201 in the present embodiment and drive electrode 203 not only include laterally wiring 305,309, it is additionally provided with vertical connecting line 304,306, make touch-control liquid crystal display panel viewing area along row to more uniform to the wiring of distribution with row, avoiding the band phenomenon that causing occurs in display picture due to the metal line not vertical wiring of only laterally wiring, thus the display quality of display panels can be improved, and impedance matching is better.
The present invention is not limited to two kinds of wire structures of Fig. 4 and Fig. 6, in other embodiments, it is also possible to the size according to touch accuracy, arranges more horizontal and vertical wiring, i.e. corresponding more drive electrode and induction electrode.
Embodiment three:
Refer to Fig. 7, Fig. 7 and illustrate the cross-sectional view of touch-control liquid crystal display panel in third embodiment of the invention.Structure shown in Fig. 7 is similar to the touch-control liquid crystal display panel shown in Fig. 1, and it is different in that, touch control layer 102 is arranged on array base palte 12 and towards the side of liquid crystal layer 13.In the present embodiment, touch control layer 102 is positioned at the array base palte 12 side towards liquid crystal layer 13, and between touch control layer 102 and grid line 121, it is provided with one layer of shielding layer 122, shielding layer 122 is such as made by transparent conductive material, it is prevented that the grid line on array base palte 12 or the electric current in data affect touch control layer 102 touch-control effect.
Namely the touch-control liquid crystal display panel that the present embodiment provides, according to actual needs touch control layer can also be arranged on the diverse location (as being arranged on array base palte 12 and towards the side of lower polaroid) of available liquid crystal display floater, in design relatively flexibly, only need to slightly adjust and can realize on original LCD board production technology, technological requirement is simple, without additional input, reduce manufacturing cost.
The embodiment of the present invention also provides for a kind of touch control type LCD device, and it includes above-mentioned touch-control liquid crystal display panel.
The above, it it is only presently preferred embodiments of the present invention, not the present invention is done any pro forma restriction, although the present invention is disclosed above with preferred embodiment, but it is not limited to the present invention, any those skilled in the art, without departing within the scope of technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or is modified to the Equivalent embodiments of equivalent variations, in every case it is without departing from technical solution of the present invention content, according to any simple modification that above example is made by the technical spirit of the present invention, equivalent variations and modification, all still fall within the scope of technical solution of the present invention.
Claims (10)
1. a touch-control liquid crystal display panel, it is characterised in that described touch-control liquid crystal display panel includes:
Colored filter substrate；
Array base palte；
A plurality of gate line；
A plurality of data lines, intersects with described gate line and distribution insulated from each other, and wherein two adjacent data lines gate line area defined adjacent with intersect two constitutes a pixel cell；
Touch control layer, is positioned on described array base palte；
Wherein, described touch control layer includes multiple touch control unit, and each described touch control unit is provided with an induction electrode and at least one drive electrode；
Described induction electrode includes one and described data wire keeps a vertical interval and the vertical wiring overlapped in vertical direction with described data wire, and a plurality of and described gate line keeps a vertical interval and the transverse direction wiring overlapped in vertical direction with described gate line, one end of described a plurality of laterally wiring is electrically connected with described vertical wiring, and the other end sky of described a plurality of laterally wiring connects；
Described drive electrode includes one and described data wire keeps a vertical interval and the vertical wiring overlapped in vertical direction with described data wire, and at least one and described gate line keep a vertical interval and overlap with described gate line in vertical direction transverse direction wiring, one end of described a plurality of laterally wiring is electrically connected with described vertical wiring, and the other end sky of described a plurality of laterally wiring connects.
2. touch-control liquid crystal display panel according to claim 1, it is characterized in that, the transverse direction wiring of described induction electrode and the vertical wiring of described induction electrode intersect vertically, and the transverse direction wiring of described drive electrode and the vertical wiring of described drive electrode intersect vertically.
3. touch-control liquid crystal display panel according to claim 1, it is characterized in that, at least one laterally wiring of described drive electrode is set between the adjacent transverse wiring of described induction electrode, at least one laterally wiring of described induction electrode is set between the adjacent transverse wiring of described drive electrode.
4. touch-control liquid crystal display panel according to claim 1, it is characterized in that, laterally connecting up every two laterally arrange described drive electrode between wiring two of described induction electrode, two laterally wirings that described induction electrode is set between two horizontal wirings of described drive electrode.
5. touch-control liquid crystal display panel according to claim 4, it is characterised in that be provided with at least one vertical connecting line between two adjacent transverse wirings of described induction electrode or between two adjacent transverse wirings of described drive electrode.
6. touch-control liquid crystal display panel according to claim 1, it is characterised in that the width of the wiring route of described induction electrode and the wiring route of described drive electrode is less than the width of the width of described data wire or described gate line.
7. touch-control liquid crystal display panel according to claim 1, it is characterized in that, described touch-control liquid crystal display panel also includes the upper polaroid being arranged at above described array base palte, it is arranged at the cover plate above described upper polaroid and the liquid crystal layer between array base palte and colored filter substrate, described gate line and described data wire are arranged on described array base palte, described colored filter substrate is formed black matrix", the wiring route of described induction electrode and the wiring route of described drive electrode keep a vertical interval with described black matrix" and overlap in vertical direction.
8. touch-control liquid crystal display panel according to claim 1, it is characterised in that described touch control layer is arranged on described array base palte and towards the side of liquid crystal layer.
9. touch-control liquid crystal display panel according to claim 1, it is characterised in that described touch control layer is arranged on described array base palte and towards the side of upper polaroid, described upper polaroid is arranged at the outside of described array base palte.
10. a touch control type LCD device, it is characterised in that include the touch-control liquid crystal display panel according to any one of claim 1-9.
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| US10411078B2 (en) | 2014-04-14 | 2019-09-10 | Industrial Technology Research Institute | Sensing display apparatus |
| TWM505004U (en) | 2014-04-14 | 2015-07-11 | Ind Tech Res Inst | Touch panel |
| CN104077002B (en) * | 2014-07-04 | 2017-05-17 | 京东方科技集团股份有限公司 | Array substrate and touch display device |
| CN104281327B (en) * | 2014-10-29 | 2017-04-05 | 合肥鑫晟光电科技有限公司 | Touch-screen and preparation method thereof and display device |
| CN104570447B (en) * | 2015-01-27 | 2018-01-16 | 昆山龙腾光电有限公司 | Touch-control liquid crystal display panel and device |
| CN106802503B (en) * | 2015-11-26 | 2019-10-25 | 鸿富锦精密工业（深圳）有限公司 | Liquid crystal display panel |
| CN105487275A (en) * | 2016-01-20 | 2016-04-13 | 深圳市华星光电技术有限公司 | Array substrate of touch liquid crystal display panel, touch liquid crystal display panel and touch display screen |
| CN107765909A (en) * | 2016-08-23 | 2018-03-06 | 南昌欧菲光科技有限公司 | Touch control display apparatus and electronic equipment |
| TWI658385B (en) * | 2017-05-04 | 2019-05-01 | 宏碁股份有限公司 | Touch display apparatus and method of reducing signal interference |
| CN107085336A (en) * | 2017-05-05 | 2017-08-22 | 昆山龙腾光电有限公司 | Active elements array substrates and touch-control display panel |
| CN106940489B (en) * | 2017-05-12 | 2020-04-21 | 上海中航光电子有限公司 | Liquid crystal display device |
| CN109426398B (en) * | 2017-08-25 | 2021-01-29 | 京东方科技集团股份有限公司 | Touch substrate and touch display device |
| CN108255339A (en) * | 2018-01-15 | 2018-07-06 | 昆山龙腾光电有限公司 | Touch-control display panel and device |
| CN111755489B (en) * | 2020-06-22 | 2022-10-04 | 武汉华星光电半导体显示技术有限公司 | Display panel |
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