CN105739151A - Liquid-crystal control display panel - Google Patents
Liquid-crystal control display panel Download PDFInfo
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- CN105739151A CN105739151A CN201610082393.4A CN201610082393A CN105739151A CN 105739151 A CN105739151 A CN 105739151A CN 201610082393 A CN201610082393 A CN 201610082393A CN 105739151 A CN105739151 A CN 105739151A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 76
- 239000000758 substrate Substances 0.000 claims abstract description 40
- 239000010409 thin film Substances 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 claims description 18
- 230000004888 barrier function Effects 0.000 claims description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000010408 film Substances 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 abstract description 9
- 238000009413 insulation Methods 0.000 abstract 4
- 208000034699 Vitreous floaters Diseases 0.000 description 45
- 238000010586 diagram Methods 0.000 description 12
- 239000003990 capacitor Substances 0.000 description 8
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136213—Storage capacitors associated with the pixel electrode
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133334—Electromagnetic shields
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136218—Shield electrodes
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- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides a liquid-crystal control display panel which comprises a thin film transistor substrate, a color filter substrate opposite to the thin film transistor substrate and a liquid-crystal layer located between the thin film transistor substrate and the color filter substrate. The thin film transistor substrate comprises a first substrate, a common electrode layer, a first insulation layer and second electrode layers, wherein the common electrode layer, the first insulation layer and the second electrode layers are sequentially arranged on the first substrate in a stacked mode and face the liquid-crystal layer. The color filter substrate comprises a second substrate, a color stop layer and a second insulation layer, wherein the color stop layer and the second insulation layer are sequentially arranged on the second substrate in a stacked mode and face the liquid-crystal layer. The liquid-crystal control display panel further comprises a touch display driving chip, and a shielding layer is further arranged in the direction, towards the liquid-crystal layer, of the color filter substrate. The liquid-crystal control display panel is good in anti-interference capability and high in touch sensitivity.
Description
Technical field
The present invention relates to touch technology, particularly to a kind of liquid crystal touch control display floater.
Background technology
At present, the touch-control display panel of integration mainly includes two types: the outer insert-type (On-Cell) being arranged on by touch sensing between the polaroid of display floater and colored filter substrate；And touch sensing is embedded into the interior insert-type (In-Cell) among the dot structure of display floater.
Refer to the structural representation that Fig. 1, Fig. 1 are the existing liquid crystal touch control display floaters being not provided with screen layer.As shown in Figure 1, the colored filter substrate 120 that this liquid crystal touch control display floater 100 includes thin film transistor base plate 110 and described thin film transistor base plate 110 is oppositely arranged and the liquid crystal layer 130 between described thin film transistor base plate 11 and described colored filter substrate 120, this thin film transistor base plate 110 arranges the first common electrode layer 113 towards the one side of this liquid crystal layer 130, and this colored filter substrate 120 arranges the second common electrode layer 123 towards the one side of this liquid crystal layer 130.Touch-control display driver chip is to the first common electrode layer 113 and the second common electrode layer 123 loads touch-control and signal shows, makes LCDs complete the function touching and showing.Adopting the liquid crystal touch control display floater 100 of this framework, its touch-control is highly sensitive, but owing to being not provided with screen layer, this liquid crystal touch control display floater 100 is easily subject to the interference of outer signals, such as electromagnetic interference.
Refer to the structural representation that Fig. 2, Fig. 2 are the existing liquid crystal touch control display floater arranging screen layer.As shown in Figure 2, this liquid crystal touch control display floater 200 is different in that with this liquid crystal touch control display floater 100: the second common electrode layer 223 arranges screen layer 225 towards the one side of liquid crystal layer 230, first common electrode layer 213 includes public electrode, between first common electrode layer 213 and thin film transistor base plate 211, metal routing layer 215 is set, metal routing layer 215 includes some pieces of metal routings, and public electrode is by metal routing and the electrical connection of touch-control display driver chip.This screen layer 225 is used only to extraneous (above the LCDs) interference to liquid crystal layer of shielding, it does not have other circuit signals external.
Being the Fig. 2 capacitor model in touch-control part please also refer to Fig. 3 and Fig. 4, Fig. 3, Fig. 4 is the schematic diagram of the capacitor equivalent circuit of Fig. 3.This capacitor equivalent circuit includes electric capacity C1, electric capacity C2, electric capacity C3And resistance R.Wherein, electric capacity C1When touching screen for finger, the electric capacity between finger and ground.Electric capacity C2For when a finger is touching the screen, the electric capacity that the second common electrode layer 223 and human body are formed, now, human body is held with being equivalent to.Electric capacity C3It is an integrated value, C3=CITO+CITO-shielding+Cenvironment.Wherein, CITOIt is the self-contained electric capacity of the second common electrode layer 223, CITO-shieldingIt is the electric capacity formed between the second common electrode layer 223 and screen layer 225, CenvironmentFor other electric capacity summations around screen environment.Resistance R is the total impedance of touch-control part self.As it is shown on figure 3, in the prior art, electric capacity C1, electric capacity C2And electric capacity C3One end be respectively connected to the second common electrode layer 223, namely by the second common electrode layer 223 to above three electric capacity apply exchange common electric voltage, electric capacity C1, electric capacity C2And electric capacity C3The equal ground connection in one end.
When the RC value touching part is more little, the sensitivity of touch-control is more high.The value of general impedance is material behavior and design architecture determines, namely impedance R immobilizes.Improve the sensitivity of touch-control, then to reduce capacitance C.
Please also refer to Fig. 1 to Fig. 4, this liquid crystal touch control display floater 100 owing to there is no screen layer, i.e. CITO-shielding=0, its capacitance C3=CITO+CITO-shielding+CenvironmenCapacitance less than the liquid crystal touch control display floater 200 being provided with screen layer 225.Therefore, it does not have the sensitivity of the liquid crystal touch control display floater 100 arranging screen layer is higher.But there is the problem that, owing to being not provided with screen layer, this liquid crystal touch control display floater 100 is easily subject to the interference of outer signals, such as electromagnetic interference.
In like manner, the external interference resistance of the liquid crystal touch control display floater 200 being provided with screen layer 225 improves, but due to electric capacity CITO-shieldingExistence electric capacity total value increase to some extent, sensitivity decrease.
In sum, at present in the LCDs framework of embedded touch function designs, how being maintained with high touch sensitivity what set up screen layer, this problem has become as the primary problem solved in the industry.
Summary of the invention
The purpose of the present invention aims to provide a kind of liquid crystal touch control display floater, and this liquid crystal touch control display floater solves prior art while setting up screen layer, and liquid crystal touch control display floater can be made to keep the technical problem of good touch sensitivity.
Specifically, the invention provides a kind of liquid crystal touch control display floater, it includes thin film transistor base plate, and the colored filter substrate that described thin film transistor base plate is oppositely arranged and the liquid crystal layer between described thin film transistor base plate and described colored filter substrate, described thin film transistor base plate includes the first substrate, and it is cascadingly set on the common electrode layer that described first substrate is arranged towards described liquid crystal layer, first insulating barrier and the second electrode lay, described colored filter substrate includes the second substrate, and it is cascadingly set on color blocking layer and the second insulating barrier that described second substrate is arranged towards described liquid crystal layer,
Described liquid crystal touch control display floater also includes touch-control display driver chip, described colored filter substrate is additionally provided with screen layer towards described liquid crystal layer direction, described screen layer includes multiple bucking electrode, the common electrode layer of described thin film transistor base plate includes multiple public electrode, described bucking electrode electrically connects with described public electrode one_to_one corresponding, the other end of described public electrode electrically connects with described touch-control display driver chip, and screen layer is loaded first with common electrode layer and exchanges public voltage signal by described touch-control display driver chip respectively.
Preferably, described bucking electrode includes the first bucking electrode, secondary shielding electrode and N bucking electrode, described first bucking electrode, secondary shielding electrode and N bucking electrode area equation, when M bucking electrode is in the touch-control effect period that each frame signal shows, the public electrode that described touch-control display driver chip pair electrically connects with mth block bucking electrode loads touch-control pulse signal, and the public electrode electrically connected with remaining bucking electrode loading second and exchanges public voltage signal, it is equal that described touch-control pulse signal and first exchanges public voltage signal；Wherein, N is the positive integer more than or equal to 2, and M is the positive integer less than or equal to N.
Preferably, described screen layer is divided into the bucking electrode of N number of decile along the y direction of screen layer place plane.
Preferably, described screen layer is divided into the bucking electrode of N number of decile along the X direction of screen layer place plane.
Preferably, described public electrode includes the first public electrode, the second public electrode and N public electrode, and described first public electrode, the second public electrode and N public electrode are connected to touch-control display driver chip.
Preferably, the electrical connection corresponding to described public electrode of described bucking electrode, wherein, described first bucking electrode is by conducting medium and the electrical connection of the first public electrode, described secondary shielding electrode is by conducting medium and the electrical connection of the second public electrode, and described N bucking electrode is by conducting medium and the electrical connection of N public electrode.
Preferably, described conducting medium is welding gold ball or elargol.
Preferably, described screen layer is transparent ITO conductive film.
A kind of liquid crystal touch control display floater that the embodiment of the present invention provides, by arranging screen layer, and is divided into N block bucking electrode by screen layer, and multiple public electrodes and multiple bucking electrode one_to_one corresponding electrically connect.When mth block bucking electrode is in the touch-control effect period that each frame signal shows, the public electrode that touch-control display driver chip pair electrically connects with mth block bucking electrode loads touch-control pulse signal, and the public electrode loading second electrically connected with remaining bucking electrode is exchanged public voltage signal.This liquid crystal touch control display floater capacity of resisting disturbance is strong, and touch-control is highly sensitive.
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 structural representation of the existing liquid crystal touch control display floater being not provided with screen layer.
Fig. 2 is the structural representation of the existing liquid crystal touch control display floater arranging screen layer.
Fig. 3 is the Fig. 2 capacitor model in touch-control part.
Fig. 4 is the capacitor equivalent circuit diagram of Fig. 3.
The structural representation of a kind of liquid crystal touch control display floater that Fig. 5 provides for first embodiment of the invention.
Fig. 6 is the bucking electrode schematic diagram of liquid crystal touch control display floater shown in Fig. 5.
Fig. 7 is the schematic diagram of the capacitor equivalent circuit of the touch part of liquid crystal touch control display floater shown in Fig. 5.
The bucking electrode schematic diagram of a kind of liquid crystal touch control display floater that Fig. 8 provides for second embodiment of the invention.
The bucking electrode schematic diagram of a kind of liquid crystal touch control display floater that Fig. 9 provides for 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 purpose is taked, below in conjunction with accompanying drawing and preferred embodiment, to the detailed description of the invention of a kind of liquid crystal touch control display floater proposed according to the present invention, method, step, 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.
Refer to the structural representation of a kind of liquid crystal touch control display floater that Fig. 5, Fig. 5 provide for the embodiment of the present invention one.As shown in Figure 5, the colored filter substrate 320 that this liquid crystal touch control display floater 300 includes thin film transistor base plate 310 and this thin film transistor base plate 310 is oppositely arranged and the liquid crystal layer 330 between this thin film transistor base plate 310 and this colored filter substrate 320, this liquid crystal touch control display floater 300 also includes touch-control display driver chip (not shown).
This thin film transistor base plate 310 includes the first substrate 312, be cascadingly set in this first substrate 312 common electrode layer the 314, first insulating barrier 316 and the second electrode lay 318, being additionally provided with the 3rd insulating barrier 313 and metal routing layer 311 between this first substrate 312 and this common electrode layer 314, this thin film transistor base plate 310 arranges common electrode layer 314 towards the one side of liquid crystal layer 330.
This colored filter substrate 320 includes the second substrate 322 and is cascadingly set on the color blocking layer 324 in this second substrate 322, screen layer 326 and the second insulating barrier 328.In the present embodiment, this screen layer 326 is made for transparent conductive material, as human contact to the touch screen of this liquid crystal touch control display floater 300, this screen layer 326 is for preventing the body capacitance impact on liquid crystal pixel, and can rapidly electrostatic charge be contacted, it is to avoid touch screen is caused damage by electrostatic.
Common electrode layer 314 is loaded first with screen layer 326 and exchanges public voltage signal by touch-control display driver chip (not shown) respectively.
Refer to the bucking electrode schematic diagram that Fig. 6, Fig. 6 are liquid crystal touch control display floater shown in Fig. 5.As shown in Figure 6, the screen layer 326 of this liquid crystal touch control display floater 300 includes the first bucking electrode 3261 and secondary shielding electrode 3262, this the first bucking electrode 3261 and this secondary shielding electrode 3262 area equation, common electrode layer 314 includes the first public electrode 3141 and the second public electrode 3142.This liquid crystal touch control display floater 300 also includes conducting medium 340, and this first bucking electrode 3261 is electrically connected by conducting medium 340 and the first public electrode 3141, and this secondary shielding electrode 3262 is electrically connected by conducting medium 340 and the second public electrode 3142.This first public electrode 3141 and this second public electrode 3142 are connected to touch-control display driver chip (not shown).In the present embodiment, this conducting medium 340 is welding gold ball (Au-Ball) or elargol.
During screen work, in each frame signal shows, all include two periods, i.e. touch-control effect period and display effect period.Such as the display of 60HZ, the frame signal display time is 16.6ms, and wherein, the touch-control effect period takies 4ms, and the display effect period takies 12.6ms.When being in the touch-control effect period, touch-control display driver chip (not shown) provides touch-control pulse signal (touch-control is from holding signal)；When being in the display effect period, touch-control display driver chip (not shown) provides exchange public voltage signal.
When the first bucking electrode 3261 is in the touch-control effect period, first public electrode 3141 is loaded touch-control pulse signal by touch-control display driver chip (not shown), and the second public electrode 3142 is loaded the second exchange public voltage signal, this touch-control pulse signal transmission is given the first bucking electrode 3261 by the first public electrode 3141, and this second exchange public voltage signal is transferred to secondary shielding electrode 3262 by the second public electrode 3142.When secondary shielding electrode 3262 is in the touch-control effect period, second public electrode 3142 is loaded touch-control pulse signal by touch-control display driver chip (not shown), and the first public electrode 3141 is loaded the second exchange public voltage signal, second public electrode 3142 is by this touch-control pulse signal transmission to secondary shielding electrode 3262, and this second exchange public voltage signal is transferred to the first bucking electrode 3261 by the first public electrode 3141.Each bucking electrode is in order according to touch-control effect period and the periodic duty in turn of display effect period.
Wherein, touch-control pulse signal and the first exchange public voltage signal are equal.Schematic diagram please also refer to the capacitor equivalent circuit that Fig. 4 and Fig. 7, Fig. 7 are liquid crystal touch control display floater touch part shown in Fig. 5.In Fig. 7 and Fig. 4, the capacitor equivalent circuit of prior art touch-control part is different in that: electric capacity C2One end B and the first exchange public voltage signal and connect, other end A and touch-control pulse signal connect.Owing to touch-control pulse signal and the first exchange public voltage signal are equal, namely polarity and size are all equal, therefore, and electric capacity C2The pressure reduction perseverance of both end voltage be zero.From the electric capacity of overall touch-control part, the value of the electric capacity summation of its entirety diminishes, and namely the present embodiment is while increasing screen layer, and the value of electric capacity summation diminishes, and namely the touch-control sensitivity of this liquid crystal touch control display floater improves.
It should be noted that: the present embodiment screen layer 326 is possible not only to decile becomes the bucking electrode of regular shaped, it is also possible to decile becomes the bucking electrode of irregular shape.
Refer to the bucking electrode schematic diagram of a kind of liquid crystal touch control display floater that Fig. 8, Fig. 8 provide for second embodiment of the invention.The screen layer 426 of this liquid crystal touch control display floater 400 is different in that with the screen layer 326 of display panels 300: this screen layer 426 is divided into the bucking electrode of N number of decile along the y direction of screen layer 426 place plane, this screen layer 426 includes the first bucking electrode 4261, secondary shielding electrode 4261 and N bucking electrode 426N, and common electrode layer (for diagram) includes the first public electrode, the second public electrode and N public electrode.This first bucking electrode 4261 is by conducting medium 440 and the electrical connection of the first public electrode, and this secondary shielding electrode 4262 is by conducting medium 440 and the electrical connection of the second public electrode, and this N bucking electrode 426N is by conducting medium 440 and the electrical connection of N public electrode.This first public electrode, this second public electrode and this N public electrode are connected to touch-control display driver chip (not shown).In the present embodiment, this conducting medium 440 is welding gold ball (Au-Ball) or elargol.
Bucking electrode is by Au-Ball or elargol and the electrical connection of public electrode one_to_one corresponding.Public electrode and touch-control display driver chip (not shown) electrical connection.Refer to table one, table one is the operation principle signal table of the second embodiment screen layer.When mth block bucking electrode is in the touch-control effect period, the touch-control display driver chip (not shown) public electrode to electrically connecting with mth block bucking electrode loads touch-control pulse signal, and the public electrode electrically connected with remaining bucking electrode loading second and exchanges public voltage signal, it is equal that touch-control pulse signal and first exchanges public voltage signal.Wherein, N is the positive integer more than or equal to 2, and M is the positive integer less than or equal to N.
The operation principle signal table of table one second embodiment of the invention screen layer
Being as noted previously, as touch-control pulse signal and the first exchange public voltage signal is equal, namely polarity and size are all equal, therefore, and electric capacity C2The pressure reduction perseverance of both end voltage is zero.From the electric capacity of overall touch-control part, the value of the electric capacity summation of its entirety diminishes, and namely the present embodiment is while increasing screen layer, and the value of electric capacity summation diminishes, and namely the touch-control sensitivity of this liquid crystal touch control display floater improves.
Refer to the bucking electrode schematic diagram of a kind of liquid crystal touch control display floater that Fig. 9, Fig. 9 provide for third embodiment of the invention.The screen layer 526 of this liquid crystal touch control display floater 500 is different in that with the screen layer 426 of display panels 400: this screen layer 526 is divided into the bucking electrode of N number of decile along the X direction of screen layer 526 place plane, this screen layer 526 includes the first bucking electrode 5261, secondary shielding electrode 5261 and N bucking electrode 526N, and common electrode layer (for diagram) includes the first public electrode, the second public electrode and N public electrode.This first bucking electrode 5261 is by conducting medium 540 and the electrical connection of the first public electrode, and this secondary shielding electrode 5262 is by conducting medium 540 and the electrical connection of the second public electrode, and this N bucking electrode 526N is by conducting medium 540 and the electrical connection of N public electrode.This first public electrode, this second public electrode and this N public electrode are connected to touch-control display driver chip (not shown).In the present embodiment, this conducting medium 540 is welding gold ball (Au-Ball) or elargol.Bucking electrode is by welding gold ball or elargol and the electrical connection of public electrode one_to_one corresponding, public electrode and the electrical connection of touch-control display driver chip.Concrete operation principle, as described in embodiment two, is not discussed in detail here.
The above, it it is only the preferred embodiment of 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 (8)
- null1. a liquid crystal touch control display floater，It includes thin film transistor base plate、And the colored filter substrate that described thin film transistor base plate is oppositely arranged and the liquid crystal layer between described thin film transistor base plate and described colored filter substrate，Described thin film transistor base plate includes the first substrate、And it is cascadingly set on the common electrode layer that described first substrate is arranged towards described liquid crystal layer、First insulating barrier and the second electrode lay，Described colored filter substrate includes the second substrate、And it is cascadingly set on color blocking layer and the second insulating barrier that described second substrate is arranged towards described liquid crystal layer，It is characterized in that: described liquid crystal touch control display floater also includes touch-control display driver chip，Described colored filter substrate is additionally provided with screen layer towards described liquid crystal layer direction，Described screen layer includes multiple bucking electrode，The common electrode layer of described thin film transistor base plate includes multiple public electrode，Described bucking electrode electrically connects with described public electrode one_to_one corresponding，The other end of described public electrode electrically connects with described touch-control display driver chip，Screen layer is loaded first with common electrode layer and exchanges public voltage signal by described touch-control display driver chip respectively.
- 2. liquid crystal touch control display floater according to claim 1, it is characterized in that: described bucking electrode includes the first bucking electrode, secondary shielding electrode and N bucking electrode, described first bucking electrode, secondary shielding electrode and N bucking electrode area equation, when M bucking electrode is in the touch-control effect period that each frame signal shows, the public electrode that described touch-control display driver chip pair electrically connects with mth block bucking electrode loads touch-control pulse signal, and the public electrode electrically connected with remaining bucking electrode is loaded second and exchanges public voltage signal, described touch-control pulse signal and the first exchange public voltage signal are equal；Wherein, N is the positive integer more than or equal to 2, and M is the positive integer less than or equal to N.
- 3. liquid crystal touch control display floater according to claim 2, it is characterised in that: described screen layer is divided into the bucking electrode of N number of decile along the y direction of screen layer place plane.
- 4. liquid crystal touch control display floater according to claim 2, it is characterised in that: described screen layer is divided into the bucking electrode of N number of decile along the X direction of screen layer place plane.
- 5. liquid crystal touch control display floater according to claim 2, it is characterized in that: described public electrode includes the first public electrode, the second public electrode and N public electrode, and described first public electrode, the second public electrode and N public electrode are connected to touch-control display driver chip.
- 6. liquid crystal touch control display floater according to claim 5, it is characterized in that: the electrical connection corresponding to described public electrode of described bucking electrode, wherein, described first bucking electrode is by conducting medium and the electrical connection of the first public electrode, described secondary shielding electrode is by conducting medium and the electrical connection of the second public electrode, and described N bucking electrode is by conducting medium and the electrical connection of N public electrode.
- 7. liquid crystal touch control display floater according to claim 6, it is characterised in that: described conducting medium is welding gold ball or elargol.
- 8. liquid crystal touch control display floater according to claim 1, it is characterised in that: described screen layer is transparent ITO conductive film.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610082393.4A CN105739151B (en) | 2016-02-05 | 2016-02-05 | Liquid crystal touch control display panel |
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| CN201610082393.4A CN105739151B (en) | 2016-02-05 | 2016-02-05 | Liquid crystal touch control display panel |
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| CN105739151A true CN105739151A (en) | 2016-07-06 |
| CN105739151B CN105739151B (en) | 2019-01-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106201151A (en) * | 2016-08-31 | 2016-12-07 | 上海创功通讯技术有限公司 | Display floater and electronic equipment |
| CN110346986A (en) * | 2018-04-02 | 2019-10-18 | 夏普株式会社 | Liquid crystal display device and electronic equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825966A (en) * | 2009-02-02 | 2010-09-08 | 苹果公司 | Integrated touch screen |
| CN102486708A (en) * | 2010-12-01 | 2012-06-06 | 株式会社日立显示器 | Touch panel |
| CN104636015A (en) * | 2015-01-13 | 2015-05-20 | 昆山龙腾光电有限公司 | Touch display device |
| CN104698702A (en) * | 2015-04-01 | 2015-06-10 | 上海天马微电子有限公司 | Array substrate, display device and driving method |
| CN104699305A (en) * | 2015-03-26 | 2015-06-10 | 昆山龙腾光电有限公司 | Touch display device |
-
2016
- 2016-02-05 CN CN201610082393.4A patent/CN105739151B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825966A (en) * | 2009-02-02 | 2010-09-08 | 苹果公司 | Integrated touch screen |
| CN102486708A (en) * | 2010-12-01 | 2012-06-06 | 株式会社日立显示器 | Touch panel |
| CN104636015A (en) * | 2015-01-13 | 2015-05-20 | 昆山龙腾光电有限公司 | Touch display device |
| CN104699305A (en) * | 2015-03-26 | 2015-06-10 | 昆山龙腾光电有限公司 | Touch display device |
| CN104698702A (en) * | 2015-04-01 | 2015-06-10 | 上海天马微电子有限公司 | Array substrate, display device and driving method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106201151A (en) * | 2016-08-31 | 2016-12-07 | 上海创功通讯技术有限公司 | Display floater and electronic equipment |
| CN106201151B (en) * | 2016-08-31 | 2019-08-06 | 上海创功通讯技术有限公司 | Display panel and electronic equipment |
| CN110346986A (en) * | 2018-04-02 | 2019-10-18 | 夏普株式会社 | Liquid crystal display device and electronic equipment |
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|---|---|
| CN105739151B (en) | 2019-01-22 |
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