CN106773445B - A kind of display unit, display device and its touch control method - Google Patents
A kind of display unit, display device and its touch control method Download PDFInfo
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- CN106773445B CN106773445B CN201710179819.2A CN201710179819A CN106773445B CN 106773445 B CN106773445 B CN 106773445B CN 201710179819 A CN201710179819 A CN 201710179819A CN 106773445 B CN106773445 B CN 106773445B
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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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
- G02F1/1675—Constructional details
- G02F1/1676—Electrodes
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- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
The embodiment of the present invention provides a kind of display unit, display device and its touch control method, is related to field of display technology, using display unit light transmission state can changed characteristic produce electricl energy.The display unit includes: the light valve and generator unit being stacked；Generator unit includes: the first electrode and second electrode being oppositely arranged, and has gap between first electrode and second electrode；First electrode is with respect to second electrode close to light valve；First photic deformation layer, first photic deformation layer is arranged at interstitial site, the open region of first photic deformation layer and light valve has face region, first photic deformation layer can sprawl direction elongation or contraction along the first photic deformation layer with the change of light valve light transmission state, so that the free end of the first photic deformation layer is moved in the region of first electrode and second electrode face；Wherein, second electrode energy reflected light；Alternatively, display unit further includes that reflecting layer of the generator unit far from light valve side is arranged in.For recycling electric energy.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of display units, display device and its touch control method.
Background technique
As the fast development and progress, various display devices of science and technology also flourish therewith.Electrowetting display device and
Electrophoretic display apparatus is due to having many advantages, such as that power consumption is small, flexible and be used widely.
Wherein, electrowetting display device and electrophoretic display apparatus may be by the reflection of environment light to reach the effect of display
Fruit.The displaying principle of electrophoretic display apparatus is the profile shape that charged pigment particles are controlled by electric field, and then changes display
Area generates the display device of display effect to the reflectivity of environment light.The displaying principle of electrowetting display device be by adjusting
The voltage between liquid and solid electrode is applied to change liquid in the surface tension of the surface of solids, to change between the two
Contact angle the phenomenon that.
Summary of the invention
The embodiment of the present invention provides a kind of display unit, display device and its touch control method, saturating using display unit
Light state can changed characteristic produce electricl energy.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
In a first aspect, providing a kind of display unit, comprising: the light valve and generator unit being stacked；The generator unit
Include: the first electrode and second electrode being oppositely arranged, there is gap between the first electrode and the second electrode；It is described
The relatively described second electrode of first electrode is close to the light valve；First photic deformation layer, the first photic deformation layer setting exist
At the interstitial site, the open region of the first photic deformation layer and the light valve has face region, and described first is photic
Deformation layer can sprawl direction elongation or contraction along the described first photic deformation layer with the change of the light valve light transmission state, so that
It is moved in the region of the first electrode and the second electrode face free end of the first photic deformation layer；Wherein,
The second electrode energy reflected light；Alternatively, the display unit further includes being arranged in the generator unit far from the light valve one
The reflecting layer of side.
In one embodiment of the application, the light valve is electrowetting light valve.
In being preferably realized at one of electrowetting light valve, the electrowetting light valve include: the third electrode being oppositely arranged and
4th electrode；Third electrode is set close to the 4th electrode side or the 4th electrode is set close to the isolation of third electrode side
Layer, the barricade that the hydrophilic layer at separation layer edge is set and is arranged on hydrophilic layer；Further include: it is filled in the third electricity
Electrowetting display medium between pole, the 4th electrode and the barricade, the electrowetting display medium includes non-conductive
The first display solution and the second conductive display solution, the first display solution and the second display solution are unmixing.
In one embodiment of the application, the light valve is electrophoresis light valve.
As an optional realization of electrophoresis light valve, the electrophoresis light valve includes: electrophoretic display layer and for driving
State the transparent driving electrodes that electrophoretic display layer is shown；The electrophoretic display layer includes transparent solvent and is dispersed in described transparent
Black charged particles in solvent.
Further, the driving electrodes include positioned at the first son driving electrodes of electrophoresis light valve shading region and positioned at institute
State the second son driving electrodes of electrophoresis light valve open region.
In one embodiment of the application, the generator unit further includes the second photic deformation layer；Described second is photic
Deformation layer is arranged between the light valve and the first electrode, and the open region of the second photic deformation layer and the light valve has
There is face region, the second photic deformation layer can be with the change of the light valve light transmission state along the described second photic deformation layer
It sprawls direction elongation or shrinks；The second photic deformation layer is connected with the described first photic deformation layer.
Preferably, the generator unit has cavity, and the first photic deformation layer is located in the cavity；The power generation
Unit further include: be located at the intracorporal elastomer of the chamber, the elastomer is contacted with the side wall of the cavity, and along described first
Photic deformation layer sprawls direction, is provided with filling liquid between the elastomer and the free end of the first photic deformation layer；?
When the first photic deformation layer extends, the first photic deformation layer pushes the filling liquid to squeeze the elastomer, in institute
When stating the first photic deformation layer and shrinking, the elastomer replys deformation, pushes the filling liquid to the first electrode and described
The region of second electrode face is mobile.
Preferably, the dielectric constant of the filling liquid is greater than the dielectric constant of the described first photic deformation layer.
Second aspect provides a kind of display device, including multiple data lines and a plurality of grid line, and by a plurality of data
Line and a plurality of grid line insulation intersect the multiple pixel regions limited, and each pixel region is provided with above-mentioned display list
Member；The display device further includes energy-storage units and rectification unit；The first electrode, the second electrode and the rectification are single
First, the described energy-storage units forming circuit.
Preferably, the display device further include: the plurality of transmission lines that intersects with the grid line, touch control detection unit and
Positioned at the thin film transistor (TFT) of each pixel region；The touch control detection unit includes multiple current detecting units, every biography
Defeated line is connected with a current detecting unit, and the touch control detection unit is used for scanning signal and each electric current according to each grid line
The curent change that detection unit detects determines touch location；Wherein, the grid of the thin film transistor (TFT) is connected with the grid line,
Source electrode is connected with the transmission line, drain in generator unit first electrode or second electrode be connected；Positioned at same row pixel
Thin film transistor (TFT) in region is connected with same transmission lines.
The third aspect provides a kind of touch control method of above-mentioned display device, comprising: within a period, work as data line
When stopping input signal, or within a period, when the signal of data line input is constant, grid line is scanned line by line, root
Touch location is determined according to the curent change that the scanning signal and each current detecting unit of each grid line detect.
The embodiment of the present invention provides a kind of display unit, display device and its touch control method, when light valve light transmission, environment light
It can be irradiated on the first photic deformation layer, so that the first photic deformation layer can sprawl direction elongation or be shunk along it, and with light
According to the change of intensity, the deformation extent of the first photic deformation layer is also changed correspondingly.Due to display unit display when, light valve it is saturating
Light state can change with the variation of display picture, thus the first photic deformation layer can be extended or be shunk, so that
The free end of first photic deformation layer is moved in the region of first electrode and second electrode face, and then the first photic deformation layer
It can change with the area of first electrode and the equal face of second electrode, first electrode and second electrode will be made to be formed in this way
Capacitor change.When first electrode is connected in circuit with second electrode, electricity that first electrode and second electrode are formed
The variation of appearance can form charging and discharging currents in circuit.If by first electrode and second electrode and energy-storage units in generator unit
It is connected, the electric energy of capacitor charge and discharge generation can be recycled in this way, can also compensate for the electricity that light valve light transmission state changes consumption
Can, so that display unit is more energy-saving and environmentally friendly.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 (a) is a kind of structural schematic diagram one of display unit provided in an embodiment of the present invention；
Fig. 1 (b) is a kind of structural schematic diagram two of display unit provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram three of display unit provided in an embodiment of the present invention；
Fig. 3 (a) provides the structural representation that electrowetting light valve in a kind of display unit is shading status for the embodiment of the present invention
Figure one；
Fig. 3 (b) provides the structural representation that electrowetting light valve in a kind of display unit is light transmission state for the embodiment of the present invention
Figure one；
Fig. 4 (a) provides the structural representation that electrowetting light valve in a kind of display unit is shading status for the embodiment of the present invention
Figure two；
Fig. 4 (b) provides the structural representation that electrowetting light valve in a kind of display unit is light transmission state for the embodiment of the present invention
Figure two；
Fig. 5 (a) provides the structural schematic diagram one that light valve in a kind of display unit is electrophoresis light valve for the embodiment of the present invention；
Fig. 5 (b) provides the structural schematic diagram two that light valve in a kind of display unit is electrophoresis light valve for the embodiment of the present invention；
Fig. 6 provides the structural schematic diagram three that light valve in a kind of display unit is electrophoresis light valve for the embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram four of display unit provided in an embodiment of the present invention；
Fig. 8 (a) is a kind of structural schematic diagram five of display unit provided in an embodiment of the present invention；
Fig. 8 (b) is a kind of structural schematic diagram six of display unit provided in an embodiment of the present invention；
Fig. 9 (a) is a kind of structural schematic diagram one of display device provided in an embodiment of the present invention；
Fig. 9 (b) is a kind of structural schematic diagram two of display device provided in an embodiment of the present invention；
Figure 10 is a kind of structural schematic diagram three of display device provided in an embodiment of the present invention.
Appended drawing reference:
The shading region 01-；The open region 02-；1- light valve；2- generator unit；The reflecting layer 3-；10- first electrode；The second electricity of 20-
Pole；The photic deformation layer of 30- first；The free end of the photic deformation layer of 301- first；40- third electrode；The 4th electrode of 50-；60- is dredged
Water layer；70- barricade；80- electrowetting display medium；801- first shows solution；802- second shows solution；90- transparent substrate
(transparent material layer)；100- hydrophilic layer；110- separation layer；120- electrophoretic display layer；1201- transparent solvent；1202- charged black
Particle；130- driving electrodes；The first son driving electrodes of 1301-；The second son driving electrodes of 1302-；The photic deformation layer of 140- second；
150- cavity；160- elastomer；170- filling liquid；180- energy-storage units；190- rectification unit；200- current detecting unit.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of display unit, as Figure 1-Figure 8, comprising: the light valve 1 being stacked and power generation
Unit 2；Generator unit 2 includes: the first electrode 10 and second electrode 20 being oppositely arranged, first electrode 10 and second electrode 20 it
Between have gap；First electrode 10 is with respect to second electrode 20 close to light valve 1；Generator unit 2 further include: the first photic deformation layer
30, the first photic deformation layer 30 is arranged at interstitial site, and the open region of the first photic deformation layer 30 and light valve 1 has face area
Domain, the first photic deformation layer 30 can with 1 light transmission state of light valve change along the first photic deformation layer 30 sprawl direction elongation or
It shrinks, so that the free end 301 of the first photic deformation layer 30 is moved in the region of 20 face of first electrode 10 and second electrode；
Wherein, second electrode 20 can reflected light；Alternatively, display unit further includes that reflection of the generator unit 2 far from 1 side of light valve is arranged in
Layer 3.
It should be noted that first, for light valve 1 type without limiting, can be liquid crystal light valve, be also possible to electricity
Soak light valve or electrophoresis light valve etc..
The open region of light valve 1 refers to the maximum transmission area of light valve 1, wherein the size of the open region of light valve 1 be it is constant,
But the size of 1 transparent area of light valve can change.The change of 1 light transmission state of light valve include shading status and light transmission state it
Between phase co-conversion, also include light valve 1 when being in light transmission state, transparent area variation of different sizes.
Second, the material of deformation layer 30 photic for first is without limiting, as long as can extend in illumination, when no light
It shrinks or is shunk in illumination, extended when no light, and with the variation of intensity of illumination, the first photic deformation layer 30
Deformation degree can also change correspondingly.The material of first photic deformation layer 30 for example can be the poly- phthalimide containing azo end structure
Or the macromolecule etc. containing spiral shell benzopyrans structure.
Wherein, the first photic deformation layer 30 sprawls direction, that is, refers to the direction vertical with the first photic 30 thickness of deformation layer.
First photic deformation layer 30 is sprawled direction along it and is stretched, and the characteristic that can be the first photic 30 material of deformation layer determines the first light
It causes deformation layer 30 that can only sprawl direction elongation along it or shrink, is also possible to the first photic deformation layer 30 and is arranged in specific channel
In, the shape in channel defines that the first photic deformation layer 30 can only sprawl direction elongation or be shunk along it.
Third, the interstitial site between first electrode 10 and second electrode 20 include first electrode 10 and second electrode 20 just
Pair region, further include that the outwardly extending region in direction along the first photic deformation layer 30 is sprawled in the face region.First light
The setting of deformation layer 30 is caused to be can be as shown in Fig. 1 (a) at interstitial site, the first photic 30 part of deformation layer setting is in the first electricity
The region of 20 face of pole 10 and second electrode, part are arranged in the outwardly extending region in face region；It is also possible to such as Fig. 1 (b)
Shown, the outwardly extending region in face region is all arranged in the first photic deformation layer 30, naturally it is also possible to be the first photic deformation
Layer 30 is provided entirely in face region (description of the invention attached drawing does not illustrate).
4th, first electrode 10 can be to be formed by transparent material, is also possible to by can be to the material shape that light is reflected
At.When first electrode 10 is formed by the material that can be reflected light, in order to ensure the freedom of the first photic deformation layer 30
End 301 can move in the region of 20 face of first electrode 10 and second electrode, it will be understood by those skilled in the art that at this time
The outwardly extending region in face region should be at least partly arranged in first photic deformation layer 30.In order to irradiate more light
Onto the first photic deformation layer 30, thus the embodiment of the present invention is preferred, and first electrode 10 is transparent electrode.
5th, in order to ensure display unit is able to carry out display, environment light emission must be reflected towards people after entering display unit
Eye can use second electrode 20 and reflected, alternatively, as shown in Fig. 2, can use when 20 energy reflected light of second electrode
Generator unit 2 is arranged in be reflected far from the reflecting layer 3 of 1 side of light valve.
6th, capacitance equation isWherein, d is the distance between first electrode 10 and second electrode 20, and S is
The area of 20 face of first electrode 10 and second electrode, the dielectric constant of ε medium between first electrode 10 and second electrode 20.
According to capacitance equation it is found that when between first electrode 10 and second electrode 20 medium and first electrode 10 and second electrode 20 it is equal
When the area of face changes, the capacitor that first electrode 10 and second electrode 20 are formed also can accordingly change.Specifically,
Medium between first electrode 10 and second electrode 20 and the area of first electrode 10 and the equal face of second electrode 20 reduce, then and the
The capacitor that one electrode 10 and second electrode 20 are formed reduces, and first electrode 10 and second electrode 20 are formed with external circuit at this time puts
Electric current；Medium and first electrode 10 between first electrode 10 and second electrode 20 and the area of the equal face of second electrode 20 increase
Greatly, then the capacitor that first electrode 10 and second electrode 20 are formed increases, and first electrode 10 and second electrode 20 and outside are returned at this time
Road forms charging current.
The embodiment of the present invention provides a kind of display unit, and when 1 light transmission of light valve, environment light can be irradiated to the first photic deformation
On layer 30, so that the first photic deformation layer 30 can sprawl direction elongation or be shunk along it, and with the change of intensity of illumination, first
The deformation extent of photic deformation layer 30 also changes correspondingly.Since display unit is in display, the light transmission state of light valve 1 can be with aobvious
Show the variation of picture and changes, thus the first photic deformation layer 30 can be extended or be shunk, so that the first photic deformation
The free end 301 of layer 30 is moved in the region of 20 face of first electrode 10 and second electrode, and then the first photic deformation layer 30
It can change with the area of first electrode 10 and the equal face of second electrode 20, first electrode 10 and the second electricity will be made in this way
The capacitor that pole 20 is formed changes.When by first electrode 10 and the connection of second electrode 20 in circuit, first electrode 10 and the
The variation for the capacitor that two electrodes 20 are formed can form charging and discharging currents in circuit.If by the first electrode 10 in generator unit 2
It is connected with second electrode 20 with energy-storage units, the electric energy of capacitor charge and discharge generation can be recycled in this way, can also compensate for light
1 light transmission state of valve changes the electric energy of consumption, so that display unit is more energy-saving and environmentally friendly.
Preferably, as shown in Figure 3 and Figure 4, light valve 1 is electrowetting light valve.
Wherein, electrowetting refers to by changing the voltage between drop and insulating substrate, to change drop on substrate
Wetability, i.e. change contact angle, make drop deformation occurs, displacement the phenomenon that.
Herein, any type of electrowetting light valve can be without limiting for the structure of electrowetting light valve.
The embodiment of the present invention provides the specific structure of two kinds of electrowetting light valves:
The first: as shown in Fig. 3 (a) and Fig. 3 (b), electrowetting light valve includes: the transparent third electrode 40 being oppositely arranged
With the 4th transparent electrode 50, setting in third electrode 40 close to 50 side of the 4th electrode or setting in the 4th electrode 50 close to the
The hydrophobic layer 60 of three electrodes, 40 side (is arranged in third electrode 40 with hydrophobic layer 60 close to the 4th in description of the invention such as Fig. 3
Electrode is illustrated for 50 side) and the barricade 70 between third electrode 40 and the 4th electrode 50 is set；Electrowetting light
Valve further include: the electrowetting display medium 80 being filled between third electrode 40, the 4th electrode 50 and barricade 70, electrowetting are aobvious
Show that medium 80 includes nonconducting first display solution 801 and the second conductive display solution 802, the first display 801 He of solution
Second display solution 802 is unmixing.
Apply voltage on third electrode 40 and the 4th electrode 50, forms electricity between third electrode 40 and the 4th electrode 50
, by the wettability on change 60 surface of hydrophobic layer, such as keep 60 surface of hydrophobic layer more hydrophilic (wet), to change the second display
Wettability of the solution 802 on hydrophobic layer 60 so that first display solution 801 and second display solution 802 deformation occurs,
Displacement.Specifically, as shown in Fig. 3 (a), when not giving third electrode 40 and the 4th electrode 50 to apply voltage, nonconducting first
Display solution 801 can be laid on hydrophobic layer 60, therefore the color of the first display solution 801 can be presented in display unit；When to the
When three electrodes 40 and the 4th electrode 50 apply voltage, as shown in Fig. 3 (b), the charge generated on hydrophobic layer 60 can attract conduction
So that the first display solution 801 is extruded to corner, thus second electrode 20 can be presented (at this time in second display solution 802
Second electrode 20 can reflected light) color or reflecting layer 3 color.At this point, environment light can penetrate 1 directive generator unit of light valve
First photic deformation layer 30 in 2.
Second: as shown in Fig. 4 (a) and Fig. 4 (b), electrowetting light valve includes: the third electrode 40 and the 4th being oppositely arranged
Electrode 50；Setting close to 50 side of the 4th electrode or is arranged in the 4th electrode 50 close to 40 side of third electrode in third electrode 40
Separation layer 110, the hydrophilic layer 100 at 110 edge of separation layer is set and is arranged on hydrophilic layer 100 barricade 70；Electricity profit
Wet light valve further include: the electrowetting display medium 80 being filled between third electrode 40, the 4th electrode 50 and barricade 70, electricity profit
Wet display medium 80 includes nonconducting first display solution 801 and the second conductive display solution 802, the first display solution
801 and second show that solution 802 is unmixing.
Herein, when not giving third electrode 40 and the 4th electrode 50 to apply voltage, as shown in Fig. 4 (a), nonconducting first
Display solution 801 can be laid on separation layer 110, therefore the color of the first display solution 801 can be presented；When to third electrode 40
When applying voltage with the 4th electrode 50, as shown in Fig. 4 (b), the charge generated on separation layer 60 can attract the second conductive display
So that the first display solution 801 is extruded to the edge of separation layer 110, thus second electrode 20 can be presented in solution 802
The color of (20 energy reflected light of second electrode at this time) or the color in reflecting layer 3.At this point, environment light can be sent out through 1 directive of light valve
First photic deformation layer 30 in electric unit 2.
Wherein, for third electrode 40 and the 4th electrode 50 material without limiting, such as can be ITO (Indium
Tin Oxide, tin indium oxide), IZO (Indium Zinc Oxide, indium zinc oxide) or FTO (Fluorine-Doped Tin
Oxide, Fluorin doped stannic oxide).
Herein, nonconducting first display solution 801 can be ink or alkane etc., the second conductive display solution 802
It can be water or salting liquid etc..
It is arranged in addition, can be third electrode 40 in electrowetting light valve close to generator unit 2, is also possible to the 4th electrode 50
It is arranged close to generator unit 2.Wherein, transparent base can be set between the electrode and first electrode 10 that generator unit 2 is arranged
Transparent material layer 90 also can be set in plate 90.
The embodiment of the present invention, when light valve 1 is electrowetting light valve, by control third electrode 40 and the 4th electrode 50
Voltage can control the light transmission state of light valve 1, when the light transmission state of light valve 1 changes, due to the variation of light intensity, and first
Photic deformation layer 30 can be extended or be shunk, and the elongation of the first photic deformation layer 30 or contraction meeting are so that first electrode 10 and second
The capacitor that electrode 20 is formed changes, and connects in circuit when by first electrode 10 and second electrode 20, can be in circuit
Middle formation charging and discharging currents.If by generator unit first electrode 10 and second electrode 20 be connected with energy-storage units, in this way
The electric energy of capacitor charge and discharge generation can be recycled.
On this basis, when light valve 1 is electrowetting light valve as shown in Figure 3 or as shown in Figure 4, if by electrowetting light valve
Electrode in middle third electrode 40 and the 4th electrode 50 close to first electrode 10 is arranged to multiple strip sub-electrodes, is applied by control
The voltage being added on multiple strip sub-electrodes can control the size of transparent area when light valve 1 is in light transmission state, to make
The intensity for crossing the light of light valve 1 changes.
With reference to as shown in Figure 5-Figure 8, light valve 1 is electrophoresis light valve.
Wherein, electrophoresis light valve can be microcapsules formula electrophoresis light valve, be also possible to micro-cup formula electrophoresis light valve or other
The electrophoresis light valve of type.On this basis, the electricity of arbitrary structures can be without limiting for the specific structure of electrophoresis light valve
Swimming light valve.
As shown in Fig. 5 (a) and Fig. 5 (b), it is shown that a kind of principle of electrophoresis light valve is realized, comprising: electrophoretic display layer
120 and the transparent driving electrodes 130 for driving electrophoretic display layer 120 to be shown；Electrophoretic display layer 120 includes transparent molten
Agent 1201 and the black charged particles 1202 being dispersed in transparent solvent 1201.
Wherein, for the material of driving electrodes 130 without restriction, such as ITO, IZO, IGZO or FTO be can be.
Herein, for the material of black charged particles 1202 without limit, such as can be, copper-chrome black black by ferrimanganic or
The formation such as carbon black.On this basis, black charged particles 1202 can be positively or negatively charged.
It on this basis, for the material of transparent solvent 1201 without restriction, such as can be synthesising different structure alkane, rouge
Fat oil or silicon liquid etc..
As it is known by the man skilled in the art, the specific electrophoresis such as microcapsules, micro-cup can be used in the implementation of specific technology
Show solution.
It should be noted that transparent substrate 90 can be set between electrophoretic display layer 120 and first electrode 10, can also set
Set transparent material layer 90.
The embodiment of the present invention can control the light transmission state of light valve 1 by the voltage in control driving electrodes 130, when
When the light transmission state of light valve 1 changes, due to the variation of light intensity, the first photic deformation layer 30 can be extended or be shunk, and first
The elongation of photic deformation layer 30 shrinks meeting so that first electrode 10 and the capacitor of the formation of second electrode 20 change, when by the
One electrode 10 and the connection of second electrode 20 in circuit, can form charging and discharging currents in circuit.If by generator unit
First electrode 10 and second electrode 20 be connected with energy-storage units, can recycle in this way capacitor charge and discharge generation electric energy.
It is further preferred that as shown in Figure 5-Figure 8, driving electrodes 130 include positioned at the first of electrophoresis light valve shading region 01
Son driving electrodes 1301 and the second son driving electrodes 1302 positioned at electrophoresis light valve open region 02.
Herein, when applying the voltage electrically opposite with black charged particles 1202 to the second son driving electrodes 1302, this
When black charged particles 1202 can move and be laid on open region 02, light valve 1 is in shading status at this time；When to the first son driving
When electrode 1301 applies the voltage electrically opposite with black charged particles 1202, black charged particles 1202 can be moved to screening at this time
Light area 01, light valve 1 is in light transmission state at this time, and at this moment environment light can penetrate 1 the first photic deformation layer 30 of directive of light valve.
It should be noted that black square can also be arranged to the shading region 01 of electrophoresis light valve when light valve 1 is electrophoresis light valve
Gust, it is not illustrated in description of the invention attached drawing.
The embodiment of the present invention, by controlling the voltage in the first son driving electrodes 1301 and the second son driving electrodes 1302,
Light valve 1 can be controlled and be in shading status or light transmission state.
On this basis, as Figure 6-Figure 8, when the second son driving electrodes 1302 are multiple strip sub-electrodes, pass through
The voltage being applied on multiple strip sub-electrodes is controlled, the size of transparent area when light valve 1 is in light transmission state can be controlled, from
And the intensity of the light through light valve 1 is made to change.
Preferably, as shown in fig. 7, generator unit 2 further includes the second photic deformation layer 140；Second photic deformation layer 140 is set
It sets between light valve 1 and first electrode 10, the open region of the second photic deformation layer 140 and light valve 1 has face region, the second light
Cause deformation layer 140 that can sprawl direction elongation or contraction along the second photic deformation layer 140 with the change of 1 light transmission state of light valve；The
Two photic deformation layers 140 are connected with the first photic deformation layer 30.
Herein, illustrated so that light valve 1 is electrophoresis light valve as an example in attached drawing 7.
Wherein, the material of deformation layer 140 photic for second is without limiting, as long as can extend in illumination, no light
When shrink or shunk in illumination, extend when no light, and with the variation of intensity of illumination, the second photic deformation layer
140 deformation degree can also change correspondingly.The material of second photic deformation layer 140 for example can be poly- containing azo end structure
Phthalimide or macromolecule etc. containing spiral shell benzopyrans structure.On this basis, the material of the second photic deformation layer 140 and
The material of one photic deformation layer 30 may be the same or different.When the material and the first light-induced variable of the second photic deformation layer 140
When the material difference of shape layer 30, the first photic deformation layer 30 and the second photic deformation layer 140 should be extended in illumination or be received
Contracting, also should extend when there is no light or shrink.
On this basis, the second photic deformation layer 140 is sprawled direction along it and is stretched, and can be the second photic deformation layer 140
The characteristic of material determines that the second photic deformation layer 140 can only sprawl direction elongation or be shunk along it, and it is photic to be also possible to second
Deformation layer 140 is arranged in specific channel, and the shape in channel defines that the second photic deformation layer 140 can only sprawl direction along it
Elongation is shunk.
The embodiment of the present invention is additionally provided with the second photic deformation layer 140 between light valve 1 and first electrode 10, due to
The open region of two photic deformation layers 140 and light valve 1 has face region, and the second photic deformation layer 140 and the first photic deformation
Layer 30 is connected, thus the second photic deformation layer 140 can be extended or be shunk when the light transmission state of light valve 1 changes, thus
The free end 301 that will push the first photic deformation layer 30 is mobile in the region of 20 face of first electrode 10 and second electrode, in turn
Cause the variation of 20 capacitor of first electrode 10 and second electrode.Due to the first photic deformation layer 30 and the second photic deformation layer 140
Common eigenvector keeps the free end 301 of the first photic deformation layer 30 mobile in the region of 20 face of first electrode 10 and second electrode,
The deformation extent of the first photic deformation layer 30 can thus be increased, so that the electricity that first electrode 10 and second electrode 20 are formed
Hold becoming apparent from for variation, so that the charging and discharging currents that first electrode 10 and second electrode 20 are formed in circuit are bigger, this
Sample can be recovered to bigger electric energy.
Preferably, as shown in Fig. 8 (a) and Fig. 8 (b), generator unit 2 has cavity 150, and the first photic deformation layer 30 is located at
In cavity 150；Generator unit 2 further include: the elastomer 160 in cavity 150, elastomer 160 and the side wall of cavity 150 connect
Touching, and direction is sprawled along the first photic deformation layer 30, it is set between elastomer 160 and the free end 301 of the first photic deformation layer 30
It is equipped with filling liquid 170；In the elongation of the first photic deformation layer 30, as shown in Fig. 8 (a), the first photic deformation layer 30 pushes filling
Liquid 170 squeezes elastomer 160, and when the first photic deformation layer 30 is shunk, as shown in Fig. 8 (b), elastomer 160 replys deformation, pushes away
Dynamic filling liquid 170 is mobile to the region of 20 face of first electrode 10 and second electrode.
Preferably, the dielectric constant of filling liquid 170 is greater than the dielectric constant of the first photic deformation layer 30.
Wherein, for the type of filling liquid 170 without limiting, as long as the dielectric constant of filling liquid 170 is greater than the first light
Cause the dielectric constant of deformation layer 30.Filling liquid 170 for example can be electrowetting display medium 80, be also possible to electrophoresis showed
Solvent etc. in layer 120.
Herein, cavity 150 can be formed by transparent material.On this basis, first electrode 10 and second electrode 20 can be with
It is formed in cavity 150, can also be formed in outside cavity 150, to this without limiting.
The embodiment of the present invention, when the light transmission state of light valve 1 changes, if the first photic deformation layer 30 extends, the
One photic deformation layer 30 will push the movement of filling liquid 170, so that filling liquid 170 and first electrode 10, the equal face of second electrode 20
Area reduce；When the light transmission state of light valve 1 changes, if the first photic deformation layer 30 is shunk, elastomer 160 is replied
Deformation, to will push filling liquid 170 to the movement of the region of 20 face of first electrode 10 and second electrode, so that filling liquid
170 with first electrode 10, the equal face of second electrode 20 area increase.Since the dielectric constant of filling liquid 170 is greater than the first light
The dielectric constant of deformation layer 30 is caused, thus relative to the first photic deformation layer 30 in first electrode 10 and the equal face of second electrode 20
Region it is mobile, filling liquid 170 is mobile to first electrode 10 and the in the region of first electrode 10 and the equal face of second electrode 20
The influence for the capacitor that two electrodes 20 are formed becomes apparent from, so that the charging and discharging currents formed are bigger.
As an example, the dielectric constant of ether is 4.335, since the dielectric constant of ether is larger, thus the present invention
Ether can be used as filling liquid 170 in being preferably realized in one of embodiment.
The embodiment of the present invention provides a kind of display device, as shown in Fig. 9 (a), including multiple data lines (Date) and a plurality of
Grid line (Gate), and intersect the multiple pixel regions limited, each pixel region by multiple data lines and the insulation of a plurality of grid line
It is provided with above-mentioned display unit；As shown in Fig. 9 (a) and Fig. 9 (b), display device further includes energy-storage units 180 and rectification unit
190；First electrode 10, second electrode 20 and rectification unit 190, energy-storage units 180 are formed into a loop.
Wherein, energy-storage units 180 for example can be battery.
Herein, can be converted to the charging and discharging currents that first electrode 10 and second electrode 20 are formed can for rectification unit 190
To be charged to the voltage of battery, power storage is got up.
In addition, first electrode 10 and second electrode 20 can by the cabling and rectification unit 190 that are arranged in display device,
Energy-storage units 180 are connected to form circuit
It should be noted that the electric energy that the generator unit 2 in display device generates can store, it can also be used to display dress
The display set, the i.e. change for 1 light transmission state of light valve in driving display unit.When display device show needed for electric energy by
When generator unit 2 provides, display device then needs the electricity formed in advance to first electrode 10 and second electrode 20 in booting at this time
Appearance fills a charge, hereafter can power off.
The embodiment of the present invention if the light transmission state of light valve 1 changes, is sent out during the display of display unit
Capacitor in electric unit 2 between first electrode 10 and second electrode 20 can change, to will form charging and discharging currents, generate
Charging and discharging currents by being stored in energy-storage units 180 after the rectification of rectification unit 190, so as to recycle electric energy.This hair
Bright embodiment is produced electricl energy using display unit light through the changed characteristic of state during the display of display device,
The display that can be used for display device is produced electricl energy, so that display device is more environmentally-friendly.
Preferably, as shown in Figure 10, display device further include: plurality of transmission lines (C), the touch control detection list intersected with grid line
Thin film transistor (TFT) T first and positioned at each pixel region；Touch control detection unit includes multiple current detecting units 200, and every
Transmission line C is connected with a current detecting unit 200, and touch control detection unit is used for scanning signal and each electricity according to each grid line
The curent change that stream detection unit 200 detects determines touch location；Wherein, the grid of thin film transistor (TFT) T is connected with grid line, source
Pole is connected with transmission line, drain in generator unit 2 first electrode 10 or second electrode 20 be connected；Positioned at same row pixel region
Thin film transistor (TFT) T in domain is connected with same transmission lines.
Wherein, touch control detection unit can determine that line position is set according to the scanning signal of each grid line, according to current detecting unit
200 curent changes detected can determine column position, and display device has touch function at this time.Herein, the variation of electric current can
To be to be also possible to the variation of size of current by no current to the variation for having electric current.
Herein, drain in generator unit 2 first electrode 10 or second electrode 20 be connected, for first electrode 10 and the
The electrode not being connected with drain electrode in two electrodes 20, can pass through the other cablings and 180 phase of energy-storage units in display device
Even (in description of the invention attached drawing 10 by taking first electrode 10 or second electrode 20 are connected by cabling M with energy-storage units 180 as an example
Illustrated).Public electrode wire, first electrode 10 or second electrode can also be arranged in the embodiment of the present invention in a display device
20 are connected by public electrode wire with energy-storage units 180.At this point, public electrode wire and other electrodes in display device not phase
Even.
Based on above-mentioned, it will be understood by those skilled in the art that in order to ensure the electric current that current detecting unit 200 detects becomes
Change is as caused by touching, therefore when determining touch location, data line should stop input signal, or whithin a period of time, number
The signal inputted according to line is constant.On this basis, the light valve 1 in all display units cannot be entirely shading status, otherwise be
Finger is touched, the variation of electric current on transmission line will not be caused.
The embodiment of the present invention, when the data line signal that input signal or data line do not input is constant, light valve 1 is saturating at this time
Light state does not change, therefore the first photic deformation layer 30 just will not be extended or be shunk, first electrode 10 and the formation of second electrode 20
Capacitor will not change, thus first electrode 10 and second electrode 20 not will form charging and discharging currents, the electricity on transmission line
Stream signal just will not also change.When being touched, at this time data line input signal or data line input signal not
Become, since finger has blocked environment light, thus the light transmission state of light valve 1 can change, therefore the first photic deformation layer 30 will be stretched
Long or contraction, so that the capacitor that first electrode 10 and second electrode 20 can be made to be formed changes, and charge and discharge meeting is so that pass
Current signal on defeated line can also change, scanning signal and each current detecting list of the touch control detection unit according to each grid line
The curent change that member 200 detects can determine touch location, so that display device has touch function.
The embodiment of the present invention also provides a kind of touch control method of above-mentioned display device, comprising: within a period, works as number
When stopping input signal according to line, or within a period, when the signal of data line input is constant, grid line is swept line by line
It retouches, touch location is determined according to the curent change that the scanning signal of each grid line and each current detecting unit 200 detect.
In above-mentioned so-called a period of time, refer to that the light transmission state for reaching light valve does not change the required time.For example,
Time needed for carrying out display content needed for reaching when display content change.It specifically, should such as electric ink light valve
Time, which can be, completes the time that a content change refreshes.
The embodiment of the present invention provides a kind of touch control method of display device, within a period, when data line does not input letter
Number or within a period, when data line input signal it is constant when, the light transmission state of light valve 1 does not change at this time, therefore first
Photic deformation layer 30 just will not be extended or be shunk, and the capacitor that first electrode 10 and second electrode 20 are formed will not change, because
And first electrode 10 and second electrode 20 not will form charging and discharging currents, the current signal on transmission line just will not also become
Change.When being touched, input signal or the signal of data line input be not constant for data line at this time, since finger has blocked environment
Light, thus the light transmission state of light valve 1 can change, therefore the first photic deformation layer 30 will be extended or be shunk, so that can be made
The capacitor that one electrode 10 and second electrode 20 are formed changes, and charge and discharge meeting is so that the current signal on transmission line can also be sent out
Changing, the curent change that touch control detection unit is detected according to the scanning signal and each current detecting unit 200 of each grid line
Touch location can be determined, so that display device can carry out touch-control.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of display unit, comprising: the light valve and generator unit being stacked；It is characterized in that,
The generator unit includes:
The first electrode and second electrode being oppositely arranged have gap between the first electrode and the second electrode；It is described
The relatively described second electrode of first electrode is close to the light valve；
First photic deformation layer, the first photic deformation layer are arranged at the interstitial site, the first photic deformation layer
There is face region with the open region of the light valve, the first photic deformation layer can be with the change edge of the light valve light transmission state
The first photic deformation layer is sprawled direction elongation or is shunk, so that the free end of the first photic deformation layer is described the
It is moved in the region of one electrode and the second electrode face；
Wherein, the second electrode energy reflected light；Alternatively, the display unit further includes being arranged in the generator unit far from institute
State the reflecting layer of light valve side.
2. display unit according to claim 1, which is characterized in that the light valve is electrowetting light valve or electrophoresis light valve.
3. display unit according to claim 2, which is characterized in that the electrowetting light valve includes:
The third electrode and the 4th electrode being oppositely arranged；Setting is in third electrode close to the 4th electrode side or setting in the 4th electricity
Extremely close to the separation layer of third electrode side, the barricade that the hydrophilic layer at separation layer edge is arranged in and is arranged on hydrophilic layer；
Further include: the electrowetting display medium being filled between the third electrode, the 4th electrode and the barricade, institute
Stating electrowetting display medium includes nonconducting first display solution and the second conductive display solution, the first display solution
It is unmixing with the second display solution.
4. display unit according to claim 2, which is characterized in that the electrophoresis light valve includes:
Electrophoretic display layer and transparent driving electrodes for driving the electrophoretic display layer to be shown；The electrophoretic display layer
Including transparent solvent and the black charged particles being dispersed in the transparent solvent.
5. display unit according to claim 4, which is characterized in that the driving electrodes include being located at the electrophoresis light valve
First son driving electrodes of shading region and the second son driving electrodes positioned at electrophoresis light valve open region.
6. display unit according to claim 1, which is characterized in that the generator unit further includes the second photic deformation
Layer；
The second photic deformation layer is arranged between the light valve and the first electrode, the second photic deformation layer and institute
The open region for stating light valve has face region, and the second photic deformation layer can be with the change of the light valve light transmission state along described
Second photic deformation layer sprawls direction elongation or contraction；The second photic deformation layer is connected with the described first photic deformation layer
It connects.
7. display unit according to claim 1, which is characterized in that the generator unit has cavity, first light
Deformation layer is caused to be located in the cavity；
The generator unit further include: it is located at the intracorporal elastomer of the chamber, the elastomer is contacted with the side wall of the cavity,
And direction is sprawled along the described first photic deformation layer, it is arranged between the elastomer and the free end of the first photic deformation layer
There is filling liquid；
In first photic deformation layer elongation, the first photic deformation layer pushes the filling liquid to squeeze the elasticity
Body, when the first photic deformation layer is shunk, the elastomer replys deformation, pushes the filling liquid to the first electrode
It is mobile with the region of the second electrode face.
8. a kind of display device, which is characterized in that including multiple data lines and a plurality of grid line, and by the multiple data lines and
The a plurality of grid line insulation intersects the multiple pixel regions limited, which is characterized in that each pixel region is arranged just like power
Benefit requires the described in any item display units of 1-7；
The display device further includes energy-storage units and rectification unit；The first electrode, the second electrode and the rectification
Unit, energy-storage units forming circuit.
9. display device according to claim 8, which is characterized in that the display device further include: handed over the grid line
Plurality of transmission lines, touch control detection unit and the thin film transistor (TFT) positioned at each pixel region of fork；
The touch control detection unit includes multiple current detecting units, every transmission line and a current detecting unit phase
Even, the touch control detection unit is used for the curent change detected according to the scanning signal and each current detecting unit of each grid line
Determine touch location；
Wherein, the grid of the thin film transistor (TFT) is connected with the grid line, and source electrode is connected with the transmission line, and drain electrode is single with power generation
First electrode or second electrode in member are connected；Thin film transistor (TFT) and same transmission lines phase in same row pixel region
Even.
10. a kind of touch control method of display device as claimed in claim 9 characterized by comprising
Within a period, when data line stops input signal, or within a period, when data line input signal not
When change, grid line is scanned line by line, the curent change detected according to the scanning signal of each grid line and each current detecting unit
Determine touch location.
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| CN109298799B (en) * | 2017-07-24 | 2020-08-11 | 京东方科技集团股份有限公司 | Display panel, manufacturing method thereof, display device and method for optically controlling display device |
| CN108258019B (en) | 2018-01-15 | 2021-02-05 | 京东方科技集团股份有限公司 | Flexible controllable OLED display device, manufacturing method and display equipment |
| CN108899353B (en) * | 2018-07-26 | 2021-01-26 | 京东方科技集团股份有限公司 | OLED display substrate, manufacturing method thereof and display device |
| CN110190130B (en) * | 2019-03-21 | 2022-09-02 | 京东方科技集团股份有限公司 | Switch, preparation method thereof and display panel |
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