CN107843996A - Touch-control display panel and display device - Google Patents
Touch-control display panel and display device Download PDFInfo
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- CN107843996A CN107843996A CN201710990851.9A CN201710990851A CN107843996A CN 107843996 A CN107843996 A CN 107843996A CN 201710990851 A CN201710990851 A CN 201710990851A CN 107843996 A CN107843996 A CN 107843996A
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- Prior art keywords
- touch
- upper substrate
- display panel
- electrode
- control display
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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
-
- 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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
-
- 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
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- 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
Abstract
The present invention, which provides a kind of touch-control display panel and display device, the touch-control display panel, to be included：Upper substrate, infrabasal plate, and the liquid crystal layer between upper substrate and infrabasal plate, the upper substrate are located at the side towards user of service of the infrabasal plate；The upper substrate includes touch detection structure and the pixel cell being arranged in array, the pixel cell includes switch element and pixel electrode, the touch detection structure includes multiple touch control electrodes and a plurality of touching signals line, and a plurality of touching signals line is respectively electrically connected to corresponding touch control electrode；The infrabasal plate includes reflecting electrode, and the reflecting electrode includes a plurality of auxiliary signal line, and the both ends of a plurality of auxiliary signal line electrically connect with the both ends of corresponding touching signals line respectively.In touch-control display panel provided by the invention, reflecting electrode is multiplexed with the auxiliary signal line of touch control electrode, reduces the resistance of touching signals line, improves touch-control performance.
Description
Technical field
The present invention relates to display technology field, and more particularly to a kind of touch-control display panel and display device.
Background technology
With the development of science and technology, the purposes of the display device with display panel is more and more extensive, and people are to touch-control
The requirement of performance is also more and more, and technology trends are to integrate touch control integrated scheme in display panel to substitute external hanging type touch-control
Scheme.
It is current electrically conerolled birefringence liquid crystal display (ECB-LCD), Twisted Nematic LCD part (TN-LCD), vertical
The main flow reflection-type liquid-crystal display devices such as alignment technique liquid crystal display device (VA-LCD), generally include array base palte, color film base
Plate and backlight module, array base palte is between color membrane substrates and backlight module, and color membrane substrates are located at array base palte with using
Between personnel, and the touch detection structure of embedded (incell) touch control display apparatus is typically integrated on array base palte, and with
Show electrode in array base palte either metal routing time-sharing multiplex or is formed with layer, to reduce manufacturing process, reduce cost
And the thickness of touch control display apparatus is thinned；Public electrode is provided with color membrane substrates simultaneously, with the pixel on array base palte
Electrode has a voltage difference, to drive the liquid crystal molecule in liquid crystal layer, is allowed to generating state change, makes through liquid crystal layer
The polarization direction of light changes, and realizes that image is shown.So, user of service (beholder or touch control operation person) is resulted in
The display electrode of whole face or large area is separated between touch detection structure, typically accesses common signal, when in array base
When embedded touch Integrated design is done in plate side, external touch signal can be by the display electrode layer positioned at upper color membrane substrates side
Shielding, causes touching signals invalid, can not realize touch controllable function.
Moreover, in existing contactor control device, the touching signals that are electrically connected with the touch control electrode away from touch chip one end
The resistance of line is higher, influences the touch-control sensitivity of the touch control electrode of distal end.
The content of the invention
It is an object of the invention to provide a kind of touch-control display panel and display device, to solve existing touch-control display panel
With display device existing for its touch-control sensitivity of the resistance considerable influence of touching signals line the problem of.
First, the present invention provides a kind of touch-control display panel, including：Upper substrate, infrabasal plate, and positioned at the upper substrate
With the liquid crystal layer between the infrabasal plate, the upper substrate includes touch detection structure and the pixel cell being arranged in array, institute
Stating pixel cell includes switch element and pixel electrode, and the touch detection structure includes multiple touch control electrodes to be believed with a plurality of touch-control
Number line, a plurality of touching signals line are respectively electrically connected to corresponding touch control electrode；The infrabasal plate includes reflecting electrode, described
Reflecting electrode includes a plurality of auxiliary signal line, the both ends of a plurality of auxiliary signal line both ends with corresponding touching signals line respectively
Electrical connection.
In an embodiment of the invention, above-mentioned touch control electrode time-sharing multiplex is storage electrode.
In an embodiment of the invention, above-mentioned reflecting electrode time-sharing multiplex is public electrode.
In an embodiment of the invention, above-mentioned upper substrate also includes metal routing and black matrix, the black matrix
Positioned at the metal routing towards the side of the upper substrate of the upper substrate, and throwing of the metal routing on the upper substrate
Shadow is located at the black matrix in the projection on the upper substrate.
In an embodiment of the invention, orthographic projection of the above-mentioned black matrix on the infrabasal plate covers adjacent auxiliary
Slit between signal wire.
In an embodiment of the invention, above-mentioned touch-control display panel also includes viewing area with being set around viewing area
Non-display area, and driving chip, positioned at one end of the upper substrate；The head end of the touching signals line is electrically connected to described
Driving chip, the end of the touching signals line are located at one end of the remote driving chip of the upper substrate；The auxiliary
The first end of signal wire is electrically connected to the head end of the touching signals line, and the second end of the auxiliary signal line is electrically connected to institute
State the end of touching signals line.
In an embodiment of the invention, the both ends of above-mentioned auxiliary signal line pass through leading positioned at the non-display area
Charged particle is respectively electrically connected to the both ends of corresponding touching signals line.
In an embodiment of the invention, above-mentioned touch-control display panel also includes colored filter, and the colour
Optical filter is between the liquid crystal layer and the reflecting electrode；Or the colored filter is located in the upper substrate.
In an embodiment of the invention, above-mentioned infrabasal plate also includes lower substrate, and the reflecting electrode is positioned at described
The side of the direction liquid crystal layer of lower substrate.
In addition, the present invention also provides a kind of display device, including any of the above-described kind of touch-control display panel.
Compared with prior art, technical scheme provided by the present invention has advantages below：Touch-control provided by the invention shows
Show panel, including：Upper substrate, infrabasal plate, and the liquid crystal layer between upper substrate and infrabasal plate, the upper substrate are located at institute
State the side towards user of service of infrabasal plate；The upper substrate includes touch detection structure and the pixel list being arranged in array
Member, the pixel cell include switch element and pixel electrode, the touch detection structure include multiple touch control electrodes with it is a plurality of
Touching signals line, a plurality of touching signals line are respectively electrically connected to corresponding touch control electrode；The infrabasal plate includes reflection electricity
Pole, the reflecting electrode include a plurality of auxiliary signal line, the both ends of a plurality of auxiliary signal line respectively with corresponding touching signals
The both ends electrical connection of line.In touch-control display panel provided by the invention, reflecting electrode is multiplexed with the auxiliary signal of touch control electrode
Line, set with touching signals line parallel, while panel aperture opening ratio is not influenceed, reduce the resistance of touching signals line, lifting is touched
Performance is controlled, and product processing procedure and cost can't be increased；Touch detection structure is located at the close use of touch-control display panel simultaneously
The side of personnel, the external touch signal provided by user of service will not show electricity consumption by public electrode of whole face or large area etc.
Pole shields, so as to preferably realize touch controllable function.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, of the invention is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 is the sectional view for the touch-control display panel that one embodiment of the invention provides；
Fig. 2 is touch detection structure schematic diagram in touch-control display panel shown in Fig. 1；
Fig. 3 is the schematic diagram for the reflecting electrode that one embodiment of the invention provides；
Fig. 4 is the connected mode schematic diagram for the touch detection structure that another embodiment of the present invention provides；
Fig. 5 is the sectional view for the touch-control display panel that another embodiment of the present invention provides；
Fig. 6 is the sectional view for the touch-control display panel that further embodiment of this invention provides；
Fig. 7 is the sectional view for the touch-control display panel that yet another embodiment of the invention provides.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that in order to just
Part related to the present invention rather than entire infrastructure are illustrate only in description, accompanying drawing.
First, the present invention provides a kind of touch-control display panel, specifically refer to Fig. 1, shown in 2, Fig. 1 is that the present invention one is implemented
The sectional view for the touch-control display panel that example provides, Fig. 2 is touch detection structure schematic diagram in touch-control display panel shown in Fig. 1, should
Touch-control display panel is reflecting type touch-control display panel, including upper substrate 10, be oppositely arranged with upper substrate 10 infrabasal plate 20, with
And the liquid crystal layer 30 between upper substrate 10 and infrabasal plate 20, wherein, upper substrate 10 is located at user of service, and (beholder touches
Control operator) between infrabasal plate 20.
In the present embodiment, upper substrate 10 is array base palte, and array base palte is upper including being made with transparent materials such as glass
Substrate 11, and the touch detection structure 12 being arranged on substrate 11, touch detection structure 12 are located at the direction of upper substrate 11
The side of infrabasal plate 20.In embodiments of the present invention, the control mode touch mode of the touch detection structure can be self-capacitance or
Person's mutual capacitance type or pressure sensitive touch-control.By taking self-capacitance as an example, touch detection structure 12 includes the multiple of array arrangement
Touch control electrode 121 and a plurality of touching signals line S, it is non-with being set around viewing area A that the touch-control display panel also includes viewing area A
Viewing area B, and the driving chip 40 positioned at one end of upper substrate 10.Multiple touch control electrodes 121 are located at viewing area A, and each
Touch control electrode 121 driving chip 40 is electrically connected to by corresponding touching signals line S respectively to export scanning signal with connecing
Receive the port of detection signal.When user touches, it can become corresponding to the electric capacity between the touch control electrode 121 and ground of touch location
Change so that the detection signal in the touch control electrode 121 of touch location changes, and then causes driving chip 40 to pass through reception
The detection signal arrived, determines position of touch, display panel is performed corresponding operation.Wherein touch control electrode can be electrically conducting transparent
Metal oxide can be selected in layer, the material of transparency conducting layer, such as：Indium tin oxide, indium-zinc oxide, aluminium tin-oxide, aluminium
Zinc oxide, indium germanium zinc oxide or other suitable oxides or be the above-mentioned at least stack layer of the two.Touching signals
Line S can be to be formed by the metal routing set in addition, and can be realized for example, by connecting hole with corresponding touch control electrode
Electrical connection, to reduce touch-control resistance, improves the sensitivity of touch control detection.
In the present embodiment, upper substrate 10 also includes a plurality of metal routing, and the metal routing can for example include a plurality of
The data wire that be arranged in parallel and a plurality of scan line be arrangeding in parallel, a plurality of data lines and multi-strip scanning line be arranged in a crossed manner define it is more
The individual pixel cell being arranged in array.Each pixel cell includes at least one scan line, at least one data wire, at least one
Switch element T and at least one pixel electrode 14.Each semiconductor channels of the switch element T including grid and gate overlap,
The gate insulation layer being arranged between grid and semiconductor channel and the source electrode electrically connected respectively with semiconductor channel both sides and leakage
Pole.Switch element T grid electrically connects with scan line, and switch element T source electrode electrically connects with data wire.Pixel electrode 14 is with opening
Close element T drain electrode electrical connection.In the present embodiment, grid is optionally formed with scan line by same film layer；Touch
Control signal wire S can also for example be formed with scan line by same film layer, and source electrode and data wire are optionally same film layer
Formed, touching signals line S can also for example be formed with data wire by same film layer.However, the present invention is not limited thereto,
In other embodiments, the film layer relation between the film layer relation between grid and scan line and/or source electrode and data wire is visual
It is appropriately designed that actual demand does other.The material of pixel electrode 14 for example can be indium tin oxide, indium-zinc oxide, aluminium tin
The transparent conductive materials such as oxide, aluminium zinc oxide, indium germanium zinc oxide.
Further, in the present embodiment, touch control electrode 121 is multiplexed with storage electrode, in each pixel cell, storage
Electrode forms storage capacitance with pixel electrode 14, storage voltage is provided for each pixel cell, in order to improve the touch-control display surface
The light transmittance of plate, now, the material of touch control electrode 121 for example can be indium tin oxide, indium-zinc oxide, aluminium tin-oxide,
The transparent conductive materials such as aluminium zinc oxide, indium germanium zinc oxide.In other embodiments, or, storage electrode is independently set
Put, be the film layer structure different from touch control electrode.
Upper substrate 10 also includes black matrix 13, and black matrix 13 is located on upper substrate 11, and is correspondingly arranged on upper substrate
Metal routing and the region where switch element T, and black matrix 13 is located at substrate 11 in metal routing and switch element T direction
Side, the orthographic projection of metal routing and switch element T on upper substrate is located at orthographic projection of the black matrix 13 on upper substrate
In the range of, wherein the metal routing is, for example, above-mentioned scan line, data wire, touching signals line etc., in the present invention, black matrix 13
Between switch element, metal routing and upper substrate, for blocking the reflective and light leak of metal routing and switch element, and protect
Protect switch element.Because upper substrate 10 is array base palte, black matrix 13 is prepared on array base palte, hence it is evident that is reduced touch-control and is shown
Show panel to the requirement to box precision, forming region and the forming region of pixel electrode 14 of black matrix 13 do not have it is overlapping, therefore
The aperture opening ratio of liquid crystal display panel will not impacted, while also avoid the generation light leak of the region beyond pixel electrode and show
As, be advantageous to improve touch-control display panel display performance.
Further, upper substrate 10 can also include flatness layer 15, and flatness layer 15 is, for example, organic exhausted with translucency
Velum, it is in order that the pixel electrode 14 being positioned above is formed as flat condition and absorbs the metal routing on the downside of it, opens
Element etc. is closed to form ladder to be planarized.Via is provided with flatness layer 15, pixel electrode 14 is located at flatness layer 15
Remote switch element T, the side of metal routing, electrically connected by via with active member T drain electrode.The material of flatness layer 15
Can be inorganic material (such as：Silica, silicon nitride, silicon oxynitride, other suitable materials or above-mentioned at least two material
Stack layer), organic material or other suitable materials or combinations of the above.
Infrabasal plate 20 includes lower substrate 21 and the reflecting electrode 22 on lower substrate 21, for reflecting extraneous light,
The extraneous light is, for example, natural light outside, is directive upper substrate, liquid crystal layer and the incidence successively outside the touch-control display panel
To the light of reflecting electrode 22.The metal material such as using aluminium, silver of reflecting electrode 22 is formed by being deposited, or with aluminium, silver
Deng metal material as the setting such as a kind of compound of composition, alloy.As shown in figure 3, reflecting electrode 22 includes a plurality of discrete set
The electrode strip put, each electrode strip form an auxiliary signal line 202, pass through slit between adjacent two auxiliary signal lines 202
Insulation gap is set, and a plurality of auxiliary signal line 202 is correspondingly arranged with multiple touch control electrodes 121 respectively.Specifically, every auxiliary
Help signal wire 202 in parallel with least one touching signals line S, in other words every both ends of auxiliary signal line 202 respectively with this at least
One touching signals line S both ends electrical connection, it is right with the auxiliary signal line 202 that at least one touching signals line S is electrically connected to
The touch control electrode 121 answered.In this way, the resistance of the connection cabling between touch control electrode and driving chip can be reduced, touch-control is lifted
The sensitivity of detection, the resistance reduction for the farthest touch control electrode of driving chip of especially adjusting the distance are maximally efficient.
It please also refer to shown in Fig. 4, a plurality of touching signals line S runs through the viewing area A of touch-control display panel, touching signals line
S head end S1 is electrically connected to driving chip 40, and touching signals line S end S2 is located at the remote driving chip 40 of upper substrate 10
One end.The first end 202a of every auxiliary signal line 202 is electrically connected to corresponding touching signals line S head end S1, every auxiliary
Second end 202b of signal wire 202 is electrically connected to corresponding touching signals line S end S2 so that every auxiliary signal line with
Corresponding touching signals line forms parallel connection.In the present embodiment, the touch-control display panel also includes positioned at non-display area B and enclosed
The fluid sealant 32 set around viewing area A, fluid sealant 32 is between upper substrate 10 and infrabasal plate 20, liquid crystal layer 30 to be sealed
In the box-like space formed by upper substrate 10 and infrabasal plate 20.Conducting particles 301, every auxiliary letter are provided with fluid sealant 32
The both ends of number line 202 for example can be electrically connected to corresponding touch by the conducting particles 301 in fluid sealant 32 respectively
Control signal wire S both ends.The conducting particles such as can be a kind of outer layer be coated with metal (as gold, silver) there is certain bullet
Property spherical resin particle, to realize conduction, multiple conducting particles in sealant are not in contact each other, therefore can only rise
The effect of connection cabling on to conducting upper and lower base plate, and transverse conductance can not be carried out.
Further, in the present embodiment, as shown in figure 5, could be arranged to：Have between two adjacent auxiliary signal lines 202
There is the slit 203 of strip, slit 203 is located at black matrix 13 in the range of the orthographic projection on infrabasal plate 20, that is to say, that black matrix
The 13 orthographic projection covering slit 203 on infrabasal plate 20, although therefore can not be formed at the place of slit 203 on reflecting electrode 22
Reflector space, but by the region is blocked by black matrix 13, therefore the presence of slit 203 can't influence the touch-control and show
The aperture opening ratio of panel.While because being arranged on the auxiliary signal line of touching signals line parallel on infrabasal plate, rather than and touching signals
Line is the same while on upper substrate, therefore will not take the aperture position of the pixel cell on upper substrate, and can reach does not reduce
Aperture opening ratio reduces the purpose for the resistance that cabling is connected between touch control electrode and driving chip simultaneously.Again because auxiliary signal line is
Formed by reflecting electrode time-sharing multiplex, without being separately provided in addition, product processing procedure will not be increased, will not also increased and be fabricated to
This.
Further, the side of the close liquid crystal layer of upper substrate and infrabasal plate is for example also respectively provided with alignment film, is used for
Liquid crystal molecule to liquid crystal layer provides an initial orientation.
Further, the side of the remote liquid crystal layer of upper substrate and infrabasal plate is for example also respectively provided with polarizing appliance, uses
In the polarization direction for changing incident light or emergent light.
In one embodiment of the invention, reflecting electrode 22 can be multiplexed with public electrode, in the display stage, pass through drive
Dynamic chip provides a public voltage signal to reflecting electrode 22, and according to the signal from scan line switch element T is distinguished
Pixel electrode 14 is independently driven, one is formed between pixel electrode 14 and reflecting electrode 22 according to the signal from data wire
Potential difference, the liquid crystal molecule generating state of liquid crystal layer is driven to change.In this condition, from the incident exterior light in the side of upper substrate 10
Line is incident on the reflecting electrode 22 of infrabasal plate via liquid crystal layer, and reflexes to each pixel electrode 14 through reflecting electrode 22, and is matched somebody with somebody
Close positioned at upper substrate and the polarizing appliance on infrabasal plate, thus, according to the angle initialization of the liquid crystal molecule of liquid crystal layer and be based on picture
The reflected light of the transmissivity of plain electrode 14 is shown as image；In the touch-control stage, by touching signals line and reflecting electrode
Each auxiliary signal line provide touch scanning signals to each touch control electrode respectively, and pass through touching signals line and reflecting electrode
Interior each auxiliary signal line receives touch control detection signal, realizes touch control detection function.
Further, the touch control electrode can be multiplexed with storage electrode, in the display stage, by driving chip to touch-control
Electrode provides a public voltage signal so that a storage capacitance is formed between touch control electrode and pixel electrode, is each pixel list
Member provides storage voltage.
Various patterns of the liquid crystal layer 30 such as can use ECB, TN, VA pattern.For example, the liquid crystal layer 30 for distortion to
(TN) one Chang Bai (NW) pattern of arranging.
In the touch-control display panel that the present embodiment provides, for each pixel cell, in pixel electrode and public electrode
Between voltage difference drive down, the state changes such as the liquid crystal molecule of liquid crystal layer is rotated and/or distorted, and coordinate be located at upper substrate
On polarizing appliance so that each pixel cell timesharing has OFF state and ON state two states, when pixel cell is in OFF state
When, the light of self-reflection electrode reflection can not pass through the pixel cell, now pixel cell display black；At pixel cell
When ON state, the light of self-reflection electrode reflection is by the pixel cell, now pixel cell display white, by control with
The data-signal that the data wire that each pixel cell is electrically connected with provides so that each pixel cell is presented what different images needed
Black or white, and then cause the touch-control display panel to realize that black white image shows using extraneous natural light (such as daylight) can
Show, without setting backlight in addition, save power consumption.
Further, in the touch-control display panel that the present embodiment provides, it is provided with the array base palte of touch detection structure
Positioned at the side towards user of service of liquid crystal layer, reflecting electrode is located at the side of the remote user of service of liquid crystal layer, i.e. touch-control
The display electrode such as the public electrode of whole face or large area are not contained between detection structure and user of service, are provided by user of service
External touch signal will not be shielded by display electrode such as the public electrodes of whole face or large area, so as to preferably realize
Touch controllable function.
Fig. 6 is the sectional view for the touch-control display panel that further embodiment of this invention provides, in the present embodiment, the touch-control
Display panel also includes colored filter 23, and the colored filter 23 is located at infrabasal plate, and reflecting electrode 22 is located at infrabasal plate
The side towards liquid crystal layer of lower substrate, and the colored filter 23 be located at reflecting electrode 22 on infrabasal plate towards liquid crystal layer
Side so that derived from reflecting electrode 22 reflect light can launch through colored filter 23 to liquid crystal layer, the colorized optical filtering
Piece 23 can for example include red color resistance, green color blocking and blue color blocking, each color blocking respectively with a picture on array base palte
Plain unit is correspondingly arranged so that shows corresponding color from the light of each pixel cell outgoing.Adjacent color blocking for example may be used
To be arranged at intervals by black matrix, to prevent mixed color phenomenon；It can also be provided that so that the black square on array base palte
Battle array covers the linking region between adjacent color blocking, to prevent mixed color phenomenon.In the touch-control display panel that the present embodiment provides
In, it can realize that coloured image is shown using extraneous natural light (such as daylight) can, save power consumption.
Fig. 7 is the sectional view for the touch-control display panel that yet another embodiment of the invention provides, in the present embodiment, the touch-control
Display panel also includes colored filter 23, and colored filter 23 is located on upper substrate 10, and reflecting electrode 22 is located at lower base
On plate, the light that self-reflection electrode 22 reflects can pass through colored filter 23, and the colored filter 23 can for example include red
Color blocking, green color blocking and blue color blocking, each color blocking are correspondingly arranged with a pixel cell on array base palte respectively so that from
The light of each pixel cell outgoing shows corresponding color.Adjacent color blocking can be for example arranged at intervals by black matrix,
To prevent mixed color phenomenon.The touch-control display panel realizes that coloured image shows using extraneous natural light (such as daylight) can
Show, save power consumption.And because colored filter and black matrix are all located on upper substrate, and upper substrate is array base palte, is reduced
Infrabasal plate and array base palte to box required precision, and further increase aperture opening ratio.
In addition, the present invention also provides a kind of display device, including above-mentioned touch-control display panel.
Pay attention to, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
- A kind of 1. touch-control display panel, it is characterised in that including：Upper substrate, infrabasal plate, and positioned at the upper substrate with it is described Liquid crystal layer between infrabasal plate, the upper substrate are located at the side towards user of service of the infrabasal plate；The upper substrate bag Touch detection structure and the pixel cell being arranged in array are included, the pixel cell includes switch element and pixel electrode, described Touch detection structure includes multiple touch control electrodes and a plurality of touching signals line, and a plurality of touching signals line is respectively electrically connected to pair The touch control electrode answered；The infrabasal plate includes reflecting electrode, and the reflecting electrode includes a plurality of auxiliary signal line, a plurality of auxiliary signal line Both ends electrically connected respectively with the both ends of corresponding touching signals line.
- 2. touch-control display panel as claimed in claim 1, it is characterised in that the touch control electrode time-sharing multiplex is storage electrode.
- 3. touch-control display panel as claimed in claim 1, it is characterised in that the reflecting electrode time-sharing multiplex is public electrode.
- 4. touch-control display panel as claimed in claim 1, it is characterised in that the upper substrate also includes metal routing and black square Battle array, the black matrix is located at the metal routing towards the side of the upper substrate of the upper substrate, and the metal routing is in institute State the orthographic projection on upper substrate and be located at the black matrix in the orthographic projection on the upper substrate.
- 5. touch-control display panel as claimed in claim 4, it is characterised in that orthographic projection of the black matrix on the infrabasal plate Cover the slit between adjacent auxiliary signal line.
- 6. touch-control display panel as claimed in claim 1, it is characterised in that the touch-control display panel also includes viewing area with enclosing The non-display area set around the viewing area, and driving chip, positioned at one end of the upper substrate；The head end of the touching signals line is connected to the driving chip, and the end of the touching signals line is located at the upper substrate The remote driving chip one end；The first end of the auxiliary signal line is electrically connected to the head end of the touching signals line, Second end of the auxiliary signal line is electrically connected to the end of the touching signals line.
- 7. touch-control display panel as claimed in claim 6, it is characterised in that the both ends of the auxiliary signal line respectively by positioned at The conducting particles of the non-display area is electrically connected to the both ends of corresponding touching signals line.
- 8. touch-control display panel as claimed in claim 1, it is characterised in that the touch-control display panel also includes colorized optical filtering Piece, the colored filter is between the liquid crystal layer and the reflecting electrode；Or the colored filter is located in the upper substrate.
- 9. touch-control display panel as claimed in claim 1, it is characterised in that the infrabasal plate also includes lower substrate, the reflection Electrode is located at the side of the direction liquid crystal layer of the lower substrate.
- 10. a kind of display device, including the touch-control display panel as described in claim any one of 1-9.
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| CN201710990851.9A CN107843996B (en) | 2017-10-23 | 2017-10-23 | Touch display panel and display device |
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| CN201710990851.9A CN107843996B (en) | 2017-10-23 | 2017-10-23 | Touch display panel and display device |
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| CN107843996B CN107843996B (en) | 2020-09-25 |
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