CN107479295A - Display panel, the method and display device for making display panel - Google Patents
Display panel, the method and display device for making display panel Download PDFInfo
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- CN107479295A CN107479295A CN201710721413.2A CN201710721413A CN107479295A CN 107479295 A CN107479295 A CN 107479295A CN 201710721413 A CN201710721413 A CN 201710721413A CN 107479295 A CN107479295 A CN 107479295A
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- conductor layer
- display panel
- signal line
- layer
- electrophoretic 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
- G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
- G02F1/166—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect
- G02F1/167—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
-
- 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
-
- 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
- G02F1/136—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
- G06F3/0412—Digitisers structurally integrated in a display
-
- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
Abstract
This application discloses a kind of electrophoretic display panel, including：The first conductor layer being arranged on underlay substrate, first conductor layer include the first conductive material and the second conductive material；The multiple touch control electrodes being arranged in array are provided with first conductor layer, touch control electrode is formed by first conductive material；Multi-strip scanning signal wire, each scan signal line are arranged at the first conductor layer, and scan signal line is formed by second conductive material, mutual insulating between each scan signal line and each touch control electrode；Electrophoresis particle layer and it is arranged at common electrode layer of the electrophoresis particle layer away from underlay substrate side；Wherein：Side of the underlay substrate away from the electrophoresis particle layer is display surface.By the way that the touch control electrode formed by the first conductive material and the scan signal line formed by the second conductive material are arranged at into same conductor layer, the film layer quantity of electrophoretic display panel can be reduced, so as to reduce the thickness of display panel, the thin design of electrophoretic display panel is advantageously implemented.
Description
Technical field
The present invention relates generally to display technology field, more particularly to a kind of display panel, make display panel method and
Display device.
Background technology
Electrophoresis showed is using in the electric field controls electrocoating film between two electrodes (for example, pixel electrode and public electrode)
Electrophoretic particle movement, the reflection by the control of the position of the electrophoretic particle after movement from external incident light, so as to realize figure
As display.Due to its extremely low power consumption, reduce the advantages of paper visual sense and the reading of suitable human eye etc. are unique, electrophoresis showed skill
Art gradually causes the concern of people, especially at static state display field (such as, label, books, newspaper, billboard, nameplate etc.),
LCD (Liquid Crystal Display, liquid crystal display) and OLED (Organic Light Emitting will be turned into
Diode, Organic Light Emitting Diode) irreplaceable Display Technique.
In existing electrophoretic display apparatus, public electrode is arranged at side of the electrocoating film away from underlay substrate by use more,
In order to prevent public electrode from shielding the touch signal of touch control electrode, generally touch control electrode is arranged at outside electrophoretic display panel
The side of side, i.e. public electrode away from underlay substrate.So, the thickness and cost of electrophoretic display apparatus are added, it is unfavorable
In realizing the lightening of electrophoretic display apparatus.
The content of the invention
In view of drawbacks described above of the prior art or deficiency, it is expected to provide a kind of display panel, to solve prior art
Present in technical problem.
In a first aspect, the embodiment of the present application provides a kind of electrophoretic display panel, including：Underlay substrate；It is arranged at substrate
The first conductor layer on substrate, the first conductor layer include the first conductive material and the second conductive material, wherein first is conductive
Material and the conductive material that the second conductive material is unlike material；The multiple touch-controls being arranged in array are provided with first conductor layer
Electrode, mutual insulating between each touch control electrode, wherein, touch control electrode is formed by the first conductive material；Multi-strip scanning signal wire, respectively
Scan signal line is arranged at the first conductor layer, and scan signal line extends in a first direction, wherein, scan signal line is conductive by second
Material is formed, mutual insulating between each scan signal line and each touch control electrode；Second is set in turn on the first conductor layer to lead
Body layer, the 3rd conductor layer, the second conductor layer include a plurality of data signal line extended in a second direction, and the 3rd conductor layer is provided with
Multiple pixel electrodes, insulating barrier is provided between the first conductor layer and the second conductor layer, between the second conductor layer and the 3rd conductor layer；
Electrophoresis particle layer and it is arranged at common electrode layer of the electrophoresis particle layer away from underlay substrate side；Wherein：Underlay substrate is remote
The side of electrophoresis particle layer is display surface.
Second aspect, the embodiment of the present application provide a kind of preparation method of electrophoretic display panel, and this method includes：There is provided
One underlay substrate；The depositing first conductive material on underlay substrate, the first conductive material is etched to form multiple touch control electrodes, its
In, mutual insulating between each touch control electrode；The depositing second conductive material on the first conductive material, etch the second conduction material
Material, forms a plurality of scan signal line extended in a first direction between each touch control electrode, wherein, scan signal line and touch-control electricity
Pole is located at same conductor layer, and mutual insulating；The first insulating barrier and the second conductor layer are sequentially depositing on the first conductor layer, is carved
Lose the second conductor layer and form a plurality of data signal line extended in a second direction, first direction intersects with second direction；Second
The second insulating barrier and the 3rd conductor layer are deposited in conductor layer, etches the 3rd conductor layer to form pixel electrode；In the 3rd conductor
Electrophoresis particle layer and common electrode layer are sequentially formed on layer.
The third aspect, the embodiment of the present application provide a kind of electrophoretic display apparatus, and the display device includes as described above
Electrophoretic display panel.
The scheme provided according to the embodiment of the present application, by the touch control electrode that will be formed by the first conductive material and by the
The scan signal line that two conductive materials are formed is arranged at same conductor layer, i.e. the first conductor layer, can reduce electrophoretic display panel
Film layer quantity, so as to reduce the thickness of display panel, be advantageously implemented the thin design of electrophoretic display panel；Meanwhile it will serve as a contrast
Side of the substrate away from electrophoresis particle layer is arranged to display surface, can prevent in electrophoretic display panel and underlay substrate opposite side
When carrying out display touch-control, the public electrode for being arranged at opposite face shields the touching signals for being arranged at underlay substrate side, so as to
Improve the touch-control effect of electrophoretic display panel.
Brief description of the drawings
Fig. 1 shows the top view of the one embodiment for the electrophoretic display panel that the application provides；
Fig. 2 shows the close-up schematic view of electrophoretic display panel as shown in Figure 1；
Fig. 3 shows the sectional view of electrophoretic display panel as shown in Figure 2 along aa '；
Fig. 4 shows the top view of another embodiment of the electrophoretic display panel that the application provides；
Fig. 5 shows the top view of an optional implementation of the electrophoretic display panel that the application provides；
Fig. 6 shows the top view of the embodiment for another electrophoretic display panel that the application provides；
Fig. 7 shows the structural representation of the embodiment for another electrophoretic display panel that the application provides；
Fig. 8 shows the flow chart for the making electrophoretic display panel that the application provides；
Fig. 9 shows a kind of structural representation for display device that the application provides.
By reading the detailed description made to non-limiting example made with reference to the following drawings, the application's is other
Feature, objects and advantages will become more apparent upon：
Embodiment
The application 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 related application, rather than the restriction to this application.It also should be noted that in order to
It is easy to describe, the part related to the application is illustrate only in accompanying drawing.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Refer to Fig. 1, it illustrates the embodiment of the present application provide electrophoretic display panel top view, Fig. 2 show as
The close-up schematic view of electrophoretic display panel shown in Fig. 1, Fig. 3 show the aa ' along electrophoretic display panel as shown in Figure 2
Sectional view.With reference to Fig. 1, Fig. 2 and Fig. 3, the embodiment shown in the application is specifically illustrated.
In embodiment as shown in Figure 1, Figure 2, Figure 3 shows, electrophoretic display panel 100 includes underlay substrate SUB, the substrate base
Plate SUB can provide display panel 100 support and protection.Underlay substrate SUB can be rigid substrates, or flexible
Substrate, underlay substrate SUB material are typically translucidus material, for example, can be glass, quartz, organic polymer or
It is other applicable materials etc..The first conductor layer is provided with underlay substrate SUB, the first conductor layer includes the first conductive material
And second conductive material.
First conductive material can be transparent conductive semiconductor material, such as ITO (Indium Tin Oxides, indium oxide
Tin), IZO (Indium Zinc Oxide, indium zinc oxide) etc..Second conductive material can be conductive metal material, or
Alloy, the nitride of metal material, the oxide of metal material, the nitrogen oxides etc. of metal material.
Multiple touch control electrode SX are provided with first conductor layer, touch control electrode SX is arranged in array, each touch control electrode SX it
Between mutual insulating.In the present embodiment, touch control electrode SX is formed by above-mentioned first conductive material.Above-mentioned touch control electrode SX is self-tolerant
Touch control electrode.During touch-control, each touch control electrode SX is used to receive touch control detection signal, and provides touch sense signals.
Multi-strip scanning signal wire SC, scan signal line SC are additionally provided with first conductor layer, and X extends in the first direction, scanning letter
Number line SC is formed by the second conductive material.In the present embodiment, mutual insulating between scan signal line SC and touch control electrode SX.
Electrophoretic display panel 100 also includes the second conductor layer and the 3rd conductor layer.Wherein, it is provided with the second conductor layer
The data signal line DA of a plurality of extensions of Y in a second direction.Above-mentioned first direction X intersects with second direction Y.Wherein, data are formed
Signal wire DA material can be conductive metal material, or the oxidation of alloy, the nitride of metal material, metal material
The nitrogen oxides etc. of thing, metal material.3rd conductor layer is provided with multiple pixel electrode PE, pixel electrode PE can be by transparent
Conductive material is formed.The transparent conductive material for example can be indium tin oxide, aluminium tin-oxide, aluminium zinc oxide, indium germanium zinc
Oxide etc..Be provided between the first conductor layer and the second conductor layer for isolate the first conductor layer and the second conductor layer the
One insulating barrier IL1.It is provided between the second conductor layer and the 3rd conductor layer for completely cutting off the second conductor layer and the 3rd conductor layer
The second insulating barrier IL2.The first insulating barrier IL1 and the second insulating barrier IL2 material can be inorganic material, such as aoxidize
Silicon, silicon nitride, silicon oxynitride etc., or combination of organic material or organic material and inorganic material etc..
In the present embodiment, electrophoretic display panel 100 also includes pel array, and pel array is multiple including being arranged in array
Pixel cell 11.As shown in Fig. 2 each pixel cell 11 includes at least one thin film transistor (TFT) Tr and a pixel electrode
PE.Meanwhile the pixel cell 11 electrically connects with least one scan signal line SC and at least one data signal line DA.It is above-mentioned
Thin film transistor (TFT) Tr includes grid G E, source S E and drain D E.Wherein, scan signal line SC and thin film transistor (TFT) Tr grid
GE is electrically connected.Generally, thin film transistor (TFT) Tr grid G E and scan signal line SC is arranged at same conductor layer, i.e., in the present embodiment
The first conductor layer.Data signal line DA electrically connects with thin film transistor (TFT) Tr source S E, generally, thin film transistor (TFT) Tr source electrode
SE, drain D E and data signal line DA are arranged at same conductor layer, i.e., the second conductor layer in the present embodiment.Thin film transistor (TFT) Tr
Drain D E electrically connected by being arranged at above-mentioned second insulating barrier IL2 via with the pixel electrode PE positioned at the 3rd conductor layer.
As shown in figure 3, compared with source S E, drain D E with thin film transistor (TFT) Tr, thin film transistor (TFT) Tr grid G E is more
Close to above-mentioned underlay substrate SUB, in other words, the structure of the electrophoretic display panel 100 shown in the application is bottom gate type
Thin film transistor (TFT).However, the application is not limited to that, in other embodiments, the grid of thin film transistor (TFT) is relative to film
For the source electrode of transistor, drain electrode, farther away from underlay substrate, namely top gate-type thin film transistor, according to application scenarios
Need select.
In the present embodiment, because touch control electrode SX and scan signal line SC is arranged at same conductor layer, and per one-row pixels
Unit 11 electrically connects with least one scan signal line SC, in order to avoid short circuit, between touch control electrode SX and scan signal line SC
Need to keep apart.So, touch control electrode SX line number is identical with the line number of pixel cell 11, and each touch control electrode
SX can cover multiple row pixel cell 11.For example, in embodiment as shown in Figure 1 and Figure 2, each touch control electrode SX coverings
Three row pixel cells 11.By the way that a touch control electrode SX is covered into multiple row pixel cell 11, electrophoretic display panel can reduced
While 100 thickness, the process complexity of electrophoretic display panel 100 is reduced.
In the present embodiment, electrophoretic display panel 100 also includes common electrode layer, and common electrode layer is provided with multiple common electricals
Pole CE, common electrode layer CE are arranged at side of the electrophoresis particle layer 17 away from underlay substrate SUB.In other words, electrophoresis particle layer
17 are arranged between pixel electrode PE and public electrode CE.Because public electrode CE and pixel electrode PE are arranged at electrophoresis particle layer
17 both sides, when exterior light is from public electrode CE side incidences, incident light is totally reflected by electrophoresis particle, therefore, human eye need from
Display picture is read close to public electrode CE sides.However, in electrophoretic display panel 100, touch control electrode is arranged at electrophoresis grain
Side of the sublayer 17 away from public electrode CE, so, when human eye carries out screen touch to carry out from public electrode CE sides
When picture is read, public electrode CE can will be arranged at the touch control electrode SX of the other side of electrophoresis particle layer 17 signal at least partly
Shielded, so as to influence touch controllable function.
In the present embodiment, exterior light is arranged to incident from pixel electrode PE sides, and human eye sets pixel from electrophoresis particle layer 17
Electrode PE side carries out screen touch and picture is read, i.e., is read from sides of the underlay substrate SUB away from electrophoresis particle layer 17
Take, because touch control electrode SX is directly arranged on underlay substrate SUB, therefore, underlay substrate SUB sides carry out picture read with
When touch-control is shown, due to the shielding of no public electrode CE or other electrode signals so that touch control electrode SX is detecting touch
During signal can quick response, improve electrophoretic display panel 100 touch-control sensitivity.
In the present embodiment, as shown in figure 3, electrophoretic display panel 100 also includes electrophoresis particle layer 12, electrophoresis particle layer 12 wraps
Include multiple electrophoresis particles.When electrophoretic display panel 100 shows black and white screen, electrophoresis particle can include black electrophoretic particles Mb
And white electrophoretic particles Mw；When electrophoretic display panel 100 shows colour picture, electrophoresis particle can include multiple color
Electrophoresis particle, such as red electrophoresis particle, blue electrophoresis particle, green electrophoretic particle etc..
The movement of electrophoresis particle can be realized by electric field, that is to say, that electrophoresis particle can be according to public electrode CE and pixel
Electric field level and direction between electrode PE are correspondingly moved, for example, apply ground voltage to public electrode CE, and to picture
The white electrophoretic particles M of plain electrode PE applications+15V data voltage, then positively chargedwIt can be moved to public electrode CE, it is negatively charged
Black electrophoretic particles MbIt can be moved to pixel electrode PE, so, when exterior light is from pixel electrode PE side incidences, incident light
By electronegative black electrophoretic particles MwReflection, black is presented so as to which pixel P can be observed.
The present embodiment is by forming by the touch control electrode formed by the first conductive material SX and by the second conductive material
Scan signal line SC is arranged at same conductor layer, i.e. the first conductor layer, can reduce the film layer quantity of electrophoretic display panel 100,
So as to reduce the thickness of display panel, the thin design of electrophoretic display panel is advantageously implemented；It is meanwhile underlay substrate SUB is remote
Side from electrophoresis particle layer is arranged to display surface, can prevent from setting public electrode CE side to carry out in electrophoretic display panel
When showing touch-control, public electrode CE will be arranged at the touching signals of the touch control electrode SX receptions or transmission of underlay substrate SUB sides
Shielding, so as to improve the touch-control effect of electrophoretic display panel.
Please continue to refer to Fig. 4, the top view of another electrophoretic display panel provided it illustrates the application.
In Fig. 4, electrophoretic display panel 400 includes underlay substrate SUB, touch control electrode SX, scan signal line SC, data letter
Number line DA, pixel cell 41, electrophoresis particle layer and public electrode, touch control electrode SX are arranged at same lead with scan signal line SC
Body layer.Wherein, electrophoresis particle layer and public electrode are to show, its concrete structure and set-up mode refer to Fig. 1-Fig. 3,
It will not be repeated here.
Unlike the embodiment shown in Fig. 1, in the present embodiment, electrophoretic display panel 400, which also includes a plurality of touch-control, to be believed
Number transmission line, each touch control electrode electrically connect with least one touching signals transmission line.Wherein, touch control electrode can be with one
Touching signals transmission line electrically connects, and can be electrically connected with two touching signals transmission lines.Fig. 4 shows touch control electrode SX and two
The situation of touching signals transmission line SW electrical connections.The application is not limited to that, can be set according to the needs of application scenarios.
Electrophoretic display panel 400 includes viewing area AA and the rim area around viewing area.Surrounding rim area can be with
Including upper side frame area and lower frame area, wherein, Y, upper side frame area, viewing area AA and lower frame area order are arranged in a second direction
Row.The upper side frame area or lower frame area are provided with the first integrated circuit 42, in panel as shown in Figure 4, first is integrated
Circuit 42 is arranged at the lower frame area of electrophoretic display panel 400.First integrated circuit 42 is provided with multiple output ends, data-signal
Line DA electrically connects with output ends of the touching signals transmission line SW with the first integrated circuit 42.During display, the first integrated electricity
Road 42 provides data voltage signal by each data signal line DA timesharing to the thin film transistor (TFT) positioned at viewing area AA；In the touch-control phase
Between, the first integrated circuit 42 provides touch-control drive signal by each touching signals transmission line SW to touch control electrode, and receives each touch
Control the touch sense signals that electrode is sent.And data alternatively, touching signals transmission line SW can be arranged at the second conductor layer, i.e.,
Signal wire DA is set with layer.Due to data signal line DA, Y extends in a second direction, and therefore, touching signals transmission line SW can also
Y extends in a second direction.Herein, mutual insulating between touching signals transmission line SW and data signal line DA.In order to simplify system
Make technique, touching signals transmission line SW can be formed with data signal line DA using identical conductive material, pass through etching second
Insulating barrier is to form a plurality of data signal line DA and a plurality of touching signals transmission line SW.In the first conductor layer and the second conductor layer
Between the first insulating barrier on offer multiple through hole PLN1, each touch control electrode SX passes through through hole PLN1 to be transmitted with each touching signals
Line electrically connects.By the way that touching signals transmission line SW is arranged at into the second conductor layer, it is not necessary to be separately provided conductor layer and form touch-control
Signal transmssion line, reduce the quantity of film layer in electrophoretic display panel, simplify manufacture craft.
Alternatively, electrophoretic display panel 400 is additionally provided with common signal line COM, and common signal line COM is generally disposed at
One conductor layer, i.e., set with scan signal line and touch control electrode SX with layer, now, X prolongs common signal line COM in the first direction
Stretch, as shown in Figure 5.Herein, common signal line COM contacts connection with touch control electrode SX.In the first conductor layer and the second conductor
Multiple through hole PLN2 are offered on the first insulating barrier between layer, the common signal line COM positioned at the first conductor layer passes through through hole
PLN2 electrically connects with each touching signals transmission line SW.That is, touch control electrode SX is by common signal line COM and is located at the second conductor
The touching signals transmission line SW electrical connections of layer.During display, the touch control electrode SX and picture of connection are contacted with common signal line COM
Storage capacitance is formed between plain electrode, the data voltage signal provided with data storage voltage signal line DA；It is public during touch-control
Signal wire COM is multiplexed with touching signals transmission line altogether, for transmitting touching signals.Common signal line COM can be with scanning signal
Line is made using identical conductive material.By the way that common signal line COM is arranged at into the first conductor layer, while in the display phase
Between, the pole plate that touch control electrode is multiplexed with to storage capacitance carries out electric capacity storage, without setting independent film layer with shape
Into a pole plate of storage capacitance, the quantity of electrophoretic display panel film layer is further reduced, further simplifies manufacture craft.
As can be seen that through hole can be both directly arranged on touch control electrode SX, positioned at the second conductor layer from Fig. 4 and Fig. 5
Touching signals transmission line SW electrically connected by through hole with touch control electrode SX；It can also be arranged at what is be in contact with touch control electrode SX
On common signal line COM, the touching signals transmission line SW positioned at the second conductor layer is electrically connected by through hole and common signal line COM
Connect.So, according to the needs of actual cabling, through hole can be flexibly set when carrying out electrophoretic display panel layout design
Position, improve the flexibility of layout design.
Please continue to refer to Fig. 6, the top view of another electrophoretic display panel provided it illustrates the application.
As shown in fig. 6, electrophoretic display panel 600 includes underlay substrate SUB, touch control electrode SX, scan signal line SC, data
Signal wire DA, pixel cell 61, common signal line COM, electrophoresis particle layer, public electrode, touch control electrode SX and scan signal line
SC is arranged at same conductor layer.Wherein, electrophoresis particle layer and public electrode are to show, its concrete structure and set-up mode
Fig. 1-Fig. 3 is refer to, will not be repeated here.
In the present embodiment, common signal line COM is generally disposed at the first conductor layer, i.e., with scan signal line and touch-control
Electrode SX is set with layer, and now, X extends common signal line COM in the first direction, and common signal line COM connects with touch control electrode SX
Touch connection.During display, formation storage electricity between the touch control electrode SX and pixel electrode of connection is contacted with common signal line COM
Hold, the data voltage signal provided with data storage voltage signal line DA；During touch-control, common signal line COM is multiplexed with tactile
Signal transmssion line is controlled, for transmitting touching signals.
In the present embodiment, electrophoretic display panel 600 includes viewing area AA and the non-display area around the AA of viewing area.
X is arranged in order in the first direction for left frame area, viewing area AA and left frame area；Upper side frame area, viewing area AA and left frame
Y is arranged in order in a second direction in area.Unlike the example shown in Fig. 4, electrophoretic display panel 600 includes two integrated electricity
Road, i.e. the first integrated circuit 62 and the second integrated circuit 63.Wherein, the first integrated current 62 is arranged at upper side frame area or following
Frame area, the second integrated circuit 63 are arranged at left frame area or left frame area.In electrophoretic display panel 600 as shown in Figure 6, show
Example property shows i.e. the first integrated circuit 62 is arranged at lower frame area, the second integrated circuit 63 is arranged at left frame area feelings
Condition.First integrated circuit 62 electrically connects with data signal line DA, and during display, the first integrated circuit 62 passes through data signal line
DA provides data voltage signal to the pixel electrode electrically connected with each data letter signal wire DA.Second integrated circuit 63 and public letter
Number line COM electrical connection.During touch-control, the second integrated circuit 63 provides touch-control by common signal line COM to touch control electrode SX
Drive signal, and receive the touch sense signals that touch control electrode SX is transmitted by common signal line COM.
From fig. 6 it can be seen that the electrophoresis that the second integrated circuit 63 is provided with some left frame areas or left frame area shows
Show in panel, it is not necessary to which touching signals transmission signal line is set, it is not required that by through hole by touch control electrode SX and touching signals
Line electrically connects.So, the manufacture craft of electrophoretic display panel can be simplified, improve the making non-defective unit of electrophoretic display panel
Rate.Meanwhile side of the underlay substrate away from electrophoresis particle layer is arranged to display surface, it can prevent in electrophoretic display panel and lining
When substrate opposite side carries out display touch-control, the public electrode for being arranged at opposite face believes the touch-control for being arranged at underlay substrate side
Number shielding, so as to improve the touch-control effect of electrophoretic display panel.
With continued reference to Fig. 7, the structural representation of another electrophoretic display panel provided it illustrates the application.
As shown in fig. 7, electrophoretic display panel 700 includes underlay substrate SUB, underlay substrate SUB the first conductor is arranged at
Layer, the first conductor layer include touch control electrode SX, scan signal line SC, thin film transistor (TFT) Tr grid.Second conductor layer, second leads
Body layer includes data signal line (not shown), thin film transistor (TFT) Tr source S E and drain D E, the 3rd conductor layer, the 3rd conductor
Layer is provided with pixel electrode PE, electrophoresis particle layer, and electrophoresis particle layer includes black electrophoretic particles MbAnd white electrophoretic particles Mw、
Public electrode CE, the insulating barrier IL1 being arranged between the first conductor layer and the second conductor layer, is arranged at the second conductor layer and the 3rd
The second insulating barrier IL2 between conductor layer.
Unlike the embodiment shown in Fig. 3, in the present embodiment, electrophoretic display panel 700 also includes anti-reflection layer RF,
And diaphragm PL.
Anti-reflection layer RF is arranged between underlay substrate SUB and the first conductor layer.Anti-reflection layer RF material is low anti-
Light, high light absorbent, such as can be resin light screening material, can be that metal oxide applies with the extinction that metal is collectively forming
Layer, the metal oxide can be nickel oxide, chromium oxide etc., and the metal can be tungsten, titanium, iron etc..Anti-reflection layer RF is used to hide
Each layer metal wire kept off in electrophoretic display panel 700, such as it is arranged at the scan signal line of the first conductor layer, public voltage signal
Line, it is arranged at data signal line of the second conductor layer etc..Due to data signal line and scan signal line cross arrangement, accordingly,
The pattern that anti-reflection layer is formed can be in the first direction and second direction cross arrangement multiple flagpole patterns.By
Anti-reflection layer RF is set on electrophoretic display panel 700, ambient light can be absorbed and scatter the transmitting light of adjacent patterns, improves display
The contrast of picture.
Diaphragm PL is arranged at side of the electrophoresis particle layer away from underlay substrate SUB.Wherein, common electrode COM is arranged at guarantor
Cuticula PL is close to the side of electrophoresis particle layer.Generally, in the engineering that electrophoretic display panel 700 makes, public electrode COM is close to
Diaphragm PL makes, and after public electrode COM and diaphragm PL complete, is arranged on electrophoresis particle layer.Pass through setting
Diaphragm PL, protection of the electrophoretic display panel 700 to other film layer structures can be improved, improve electrophoretic display panel 700 and resist
The ability of ambient pressure.
Please continue to refer to Fig. 8, the flow 800 of the electrophoretic display panel provided it illustrates the application.
Step 801 a, there is provided underlay substrate.
Step 802, the depositing first conductive material on underlay substrate, the first conductive material of etching are electric to form multiple touch-controls
Pole.
In the present embodiment, depositing first conductive material on the underlay substrate that can provide in step 801, and deposit photoetching
Glue forms photoengraving pattern.Then, using the part of mask plate etching photoresist covering, multiple touch-control electricity are formed after development
Pole.Wherein, mutual insulating between above-mentioned each touch control electrode.
Step 803, the depositing second conductive material on the first conductive material, can be with the second conductive material, in each touch-control
The a plurality of scan signal line extended in a first direction is formed between electrode.
In the present embodiment, after foring touch control electrode in step 802, second can be deposited on the first conductive material
Conductive material, and deposit photoresist and form photoetching agent pattern.The second conductive material of photoetching agent pattern covering is etched, and by aobvious
Movie queen, form a plurality of scan signal line extended in a first direction, second scan signal line between each touch control electrode, and
It is formed on the underlay substrate for etching in step 802 and being exposed after first conductive material.So, touch control electrode is believed with scanning
Number line is formed and is respectively formed with underlay substrate, being formed at unified conductor layer.
Herein, above-mentioned first conductive material can be indium tin oxide, and the second conductive material can be metal.Due to gold
The etching speed of category is more than the etching speed of indium tin oxide, therefore, the first conductive material is arranged into indium tin oxide, and second
Conductive material is arranged to metal, can prevent from, when performing etching the second conductive material, etching away by the first conductive material shape
Into touch control electrode.
Step 804, the first insulating barrier and the second conductor layer are sequentially depositing on the first conductor layer, etches the second conductor layer
The a plurality of data wire extended in a second direction is formed, first direction intersects with second direction.
In the present embodiment, the depositing first insulator layer on the first conductor for forming touch control electrode and scan signal line,
The material of first insulating barrier can be silica, silicon nitride, silicon oxynitride etc..The conductor of achievement second on the first insulating barrier
Layer, and photoresist is deposited, form photoetching agent pattern.The second conductor layer of other photoetching agent pattern covering is etched, edge is formed after development
The data wire of second direction extension, the second direction intersect with above-mentioned first direction.
Step 805, the second insulating barrier and the 3rd conductor layer are deposited in the second conductor layer, can be with the 3rd conductor layer with shape
Pixel electrode.
In the present embodiment, the second insulating barrier can be deposited in the second conductor layer, the material of second insulating barrier can be
Silica etc..The 3rd conductor layer and photoresist are sequentially depositing on the second conductor layer；Utilize the covering of mask plate photoresist
3rd conductor layer, pixel electrode is formed after development.
Step 806, electrophoresis particle layer and common electrode layer are sequentially depositing on the 3rd conductor layer.
Using the preparation method of electrophoretic display panel as shown in Figure 8, pass through the touch-control that will be formed by the first conductive material
Electrode and the scan signal line formed by the second conductive material are arranged at same conductor layer, i.e. the first conductor layer, can reduce
The film layer quantity of electrophoretic display panel, so as to reduce the thickness of display panel, it is advantageously implemented the frivolous of electrophoretic display panel and sets
Meter.
The concrete structure of the electrophoretic display panel made using the preparation method of electrophoretic display panel as shown in Figure 8 is illustrated
Figure refers to Fig. 1-Fig. 3.
In the optional implementation of some of the present embodiment, making the method for electrophoretic display panel also includes：Etch above-mentioned
Second conductor layer forms a plurality of touching signals transmission line extended in a second direction；Etch the first insulating barrier and form multiple through holes,
So that each touch control electrode is electrically connected by through hole with least one touching signals transmission line.
Optionally in implementation, make the method for electrophoretic display panel also includes some of the present embodiment：Etching the
Two conductive materials form a plurality of common signal line extended in a first direction, each touch control electrode at least with a common signal line
Electrical connection, mutual insulating between common signal line and scan signal line.
In the optional implementation of some of the present embodiment, making the method for electrophoretic display panel also includes：In substrate base
Anti-reflection layer is formed between plate and touch control electrode layer.
In the optional implementation of some of the present embodiment, making the method for electrophoretic display panel also includes：In substrate base
Flexible substrate material is deposited between plate and anti-reflection layer, forms flexible base board；Electrophoresis grain is sequentially formed on the 3rd conductor layer
After sublayer and common electrode layer, flexible base board is separated from underlay substrate.
The preparation method of electrophoretic display panel shown in the present embodiment is electric by the touch-control that will be formed by the first conductive material
Pole SX and the scan signal line SC formed by the second conductive material are arranged at same conductor layer, i.e. the first conductor layer, can drop
The film layer quantity of low electrophoretic display panel 100, so as to reduce the thickness of display panel, it is advantageously implemented the light of electrophoretic display panel
Thin design；Meanwhile sides of the underlay substrate SUB away from electrophoresis particle layer is arranged to display surface, it can prevent in electrophoresis showed
When panel sets public electrode CE side to carry out display touch-control, public electrode CE will be arranged at touching for underlay substrate SUB sides
The touching signals shielding that electrode SX is received or sent is controlled, so as to improve the touch-control effect of electrophoretic display panel.
Disclosed herein as well is a kind of display device, as shown in Figure 9.Wherein, display device 900 may include electricity as above
Swimming display panel.It will be appreciated by those skilled in the art that display device may be used also in addition to including electrophoretic display panel as above
With including some other known structures.For the emphasis of not fuzzy the application, no longer these known structures will be carried out
Further describe.
The display device of the application can be any device for including electrophoretic display panel as above, including but not limited to such as
Electronic Paper 900, e-book, billboard shown in Fig. 9, hand over applied to the display in Intelligent worn device, applied to automobile etc.
Display device on logical instrument etc..As long as display device contains the structure of electrophoretic display panel disclosed in the present application, just regard
To fall within the protection domain of the application.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology that the particular combination of above-mentioned technical characteristic forms
Scheme, while should also cover in the case where not departing from the inventive concept, carried out by above-mentioned technical characteristic or its equivalent feature
The other technical schemes for being combined and being formed.Such as features described above has similar work(with (but not limited to) disclosed herein
The technical scheme that the technical characteristic of energy is replaced mutually and formed.
Claims (13)
1. a kind of electrophoretic display panel, it is characterised in that the electrophoretic display panel includes：
Underlay substrate；
The first conductor layer being arranged on the underlay substrate, first conductor layer include the first conductive material and second
Conductive material, wherein first conductive material and the conductive material that second conductive material is unlike material；
It is provided with the multiple touch control electrodes being arranged in array in first conductor layer, between each touch control electrode mutually absolutely
Edge, wherein, the touch control electrode is formed by first conductive material；
Multi-strip scanning signal wire, each scan signal line are arranged at first conductor layer, and the scan signal line is along first
Direction extend, wherein, the scan signal line is formed by second conductive material, each scan signal line with it is each it is described touch
Mutual insulating between control electrode；
The second conductor layer, the 3rd conductor layer on first conductor layer are set in turn in, second conductor layer includes a plurality of
The data signal line extended in a second direction, the 3rd conductor layer are provided with multiple pixel electrodes, first conductor layer and
Insulating barrier is provided between second conductor layer, between second conductor layer and the 3rd conductor layer；
Electrophoresis particle layer and it is arranged at common electrode layer of the electrophoresis particle layer away from the underlay substrate side；Wherein：
Side of the underlay substrate away from the electrophoresis particle layer is display surface.
2. electrophoretic display panel according to claim 1, it is characterised in that second conductor layer also includes a plurality of along institute
The touching signals transmission line of second direction extension is stated, is opened on the insulating barrier between first conductor layer and second conductor layer
Provided with multiple through holes, each touch control electrode is electrically connected by the through hole with least one touching signals transmission line.
3. electrophoretic display panel according to claim 2, it is characterised in that the electrophoretic display panel is included along described the
The tactic upper side frame area in two directions, viewing area and lower frame area, the touch control electrode are located at the viewing area；
The upper side frame area or the lower frame area are provided with the first integrated circuit, the data signal line and institute's touching signals
Transmission line electrically connects with first integrated circuit.
4. electrophoretic display panel according to claim 1, it is characterised in that the electrophoretic display panel also includes a plurality of public affairs
Signal wire, each common signal line are arranged at first conductor layer altogether, and each common signal line is along the first direction
Extension, wherein, each touch control electrode electrically connects with least one common signal line, the common signal line with it is described
Mutual insulating between scan signal line.
5. electrophoretic display panel according to claim 4, it is characterised in that the electrophoretic display panel is included along described the
The tactic left frame area in one direction, viewing area and left frame area, the touch control electrode are located in the viewing area；
The left frame area or the left frame area are provided with the second integrated circuit, the scan signal line and the public letter
Number line electrically connects with second integrated circuit.
6. electrophoretic display panel according to claim 1, it is characterised in that the electrophoretic display panel also includes antireflection
Layer, the anti-reflection layer are arranged between the underlay substrate and the touch control electrode layer.
7. electrophoretic display panel according to claim 1, it is characterised in that the electrophoretic display panel also includes protection
Film, the common electrode layer are arranged at the diaphragm close to the side of the electrophoresis particle layer.
8. a kind of preparation method of electrophoretic display panel, it is characterised in that the preparation method includes：
One underlay substrate is provided；
The depositing first conductive material on the underlay substrate, first conductive material is etched to form multiple touch control electrodes,
Wherein, mutual insulating between each touch control electrode；
The depositing second conductive material on first conductive material, second conductive material is etched, in each touch-control
The a plurality of scan signal line extended in a first direction is formed between electrode, wherein, the scan signal line and the touch control electrode
Positioned at same conductor layer, and mutual insulating；
The first insulating barrier and the second conductor layer are sequentially depositing on first conductor layer, second conductor layer is etched and is formed
The a plurality of data signal line extended in a second direction, the first direction intersect with the second direction；
The second insulating barrier and the 3rd conductor layer are deposited in second conductor layer, etches the 3rd conductor layer to form picture
Plain electrode；
Electrophoresis particle layer and common electrode layer are sequentially formed on the 3rd conductor layer.
9. preparation method according to claim 8, it is characterised in that methods described also includes：
Etch second conductor layer and form a plurality of touching signals transmission line extended along the second direction；
Etch first insulating barrier and form multiple through holes, so that each touch control electrode passes through the through hole and at least one institute
State the electrical connection of touching signals transmission line.
10. preparation method according to claim 8, it is characterised in that methods described also includes：
Etch second conductive material and form a plurality of common signal line extended along the first direction, each touch-control electricity
Best is few to be electrically connected with a common signal line, mutual insulating between the common signal line and the scan signal line.
11. preparation method according to claim 8, it is characterised in that methods described also includes：
Anti-reflection layer is formed between the underlay substrate and the touch control electrode layer.
12. preparation method according to claim 11, it is characterised in that the underlay substrate is rigid substrates, the side
Method also includes：
Flexible substrate material is deposited between the underlay substrate and the anti-reflection layer, forms flexible base board；
After electrophoresis particle layer and common electrode layer being sequentially formed on the 3rd conductor layer,
The flexible base board is separated from the underlay substrate.
13. a kind of electrophoretic display apparatus, it is characterised in that the electrophoretic display apparatus includes the electricity as described in claim 1-7
Swimming display panel.
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| US20060082694A1 (en) * | 2002-01-07 | 2006-04-20 | Seiko Epson Corporation | Electro-optical device and electronic apparatus |
| JP2004170912A (en) * | 2002-10-31 | 2004-06-17 | Seiko Epson Corp | Electro-optical device and electronic equipment |
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