CN109870801A - Electrowetting panel and analytical equipment - Google Patents
Electrowetting panel and analytical equipment Download PDFInfo
- Publication number
- CN109870801A CN109870801A CN201910244095.4A CN201910244095A CN109870801A CN 109870801 A CN109870801 A CN 109870801A CN 201910244095 A CN201910244095 A CN 201910244095A CN 109870801 A CN109870801 A CN 109870801A
- Authority
- CN
- China
- Prior art keywords
- edge
- endpoint
- driving electrodes
- line
- electrowetting panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention discloses a kind of electrowetting panel and analytical equipments, comprising: substrate；Electrode layer on substrate；Electrode layer includes that multiple first driving electrodes are arranged along first direction；First driving electrodes include the first first edge and the first second edge being oppositely arranged along first direction；First first edge has the first first endpoint and the second first endpoint, and the line of the first first endpoint and the second first endpoint is the first line；Any point on first first edge in addition to the first first endpoint and the second first endpoint is located at the side that the first line deviates from first direction；First second edge has the first second endpoint and the second second endpoint, and the line of the first second endpoint and the second second endpoint is the second line；Any point on first second edge in addition to the first second endpoint and the second second endpoint is located at the side that the second line deviates from first direction.Compared with the existing technology, it can prevent drop from deviating, be precisely controlled multiple drops and advance, prevent the pollution that contacts with each other.
Description
Technical field
The present invention relates to electrowetting technology fields, more particularly, to a kind of electrowetting panel and analytical equipment.
Background technique
Electrowetting (Electrowetting, EW), which refers to through driving voltage, changes connecing between drop and insulating substrate
Feeler, to make drop, deformation occurs, the technology of displacement.The manipulation to fluid may be implemented using electrowetting technology, because of its tool
Have the characteristics of low-power consumption, quick response and it is micro-fluidic, etc. fields be used widely.
It please refers to shown in Fig. 1 and Fig. 2, Fig. 1 is the schematic diagram of the section structure of electrowetting panel in the prior art；Fig. 2 is
The planar structure schematic diagram of electrowetting panel in the prior art.The electrowetting panel that the prior art provides includes substrate 1, Duo Ge electricity
Pole 2 and insulating substrate 4 in Fig. 1, illustrate the electric field line between two electrodes 2 using dotted line, the arrow of electric field line indicates electric field
Line is directed toward low-voltage by high voltage, voltage difference is formed between two electrodes 2 by controlling driving voltage, to change drop 3
Contact angle β between insulating substrate 4 makes drop 3 advance along the direction of arrow x1 meaning.
In existing electrowetting panel, electrode design is positive square, please refers to shown in Fig. 2, since electrowetting substrate is exposed
In air, when drop 3 electrode 2 control when advancing, it is easy to influenced to make to shifting by extraneous factor
Drop 3a deviates original traveling track, to be difficult to realize the accurate control to drop.With the increasing to drop demand for control
Add, realizes that high-throughput microfluidic control needs more accurately to manipulate drop, contact with each other, pollute between avoiding droplets from.
Therefore, how to be precisely controlled the direction of travel of multiple drops is that those skilled in the art's technology urgently to be resolved is asked
Topic.
Summary of the invention
In view of this, the present invention provides a kind of electrowetting panel and analytical equipments, for solving existing technical problem.
On the one hand, the present invention provides a kind of electrowetting panels, comprising: substrate；The electrode layer being disposed on the substrate；Electrode
Layer includes multiple the first driving electrodes being arranged in array；Multiple first driving electrodes are arranged along first direction；First driving electricity
Pole includes the first first edge and the first second edge being oppositely arranged along first direction；First first edge has the first first endpoint and the
The line of diformazan endpoint, the first first endpoint and the second first endpoint is the first line；Except the first first endpoint and the on first first edge
Any point outside diformazan endpoint is located at the first side of the first line；Wherein, the first side of the first line is that the first line deviates from
The side of first direction；First second edge has the first second endpoint and the second second endpoint, the first second endpoint and the second second endpoint
Line is the second line；Any point on first second edge in addition to the first second endpoint and the second second endpoint is located at the second line
First side；Wherein, the first side of the second line is the side that the second line deviates from first direction.
On the other hand, the present invention provides a kind of analytical equipments, including above-mentioned electrowetting panel.
Compared with prior art, electrowetting panel and analytical equipment provided by the invention at least realize following beneficial
Effect:
Special form is set along the first first edge that first direction is oppositely arranged and the first second edge by the first driving electrodes
Shape, specifically, any point on the first first edge in addition to the first first endpoint and the second first endpoint is located at the first of the first line
Side, any point on the first second edge in addition to the first second endpoint and the second second endpoint are located at the first side of the second line.Change speech
It, the first first edge and the first second edge are whole towards the opposite direction protrusion of first direction, make the first driving electrodes on the whole
The substantially shape of the opposite direction protrusion of first direction is presented the shape of approximate bent moon, can make drop during traveling, no
The effect that only will receive direction of travel (as first direction) electric field, also suffers from the effect perpendicular to direction of travel electric field.By
Perpendicular to the effect of direction of travel electric field, when drop is advanced in a first direction, drop can be made to advance along a first direction
Without deviating；When drop is deviateed first direction by the interference of extraneous factor, in the work perpendicular to direction of travel electric field
Under, drop can be mobile to preset track, restores normal direction of travel.Also, when controlling the traveling of multiple drops at the same time,
The accurate manipulation to multiple drops may be implemented, prevent drop from deviating preset track and the pollution that contacts with each other.
Certainly, implementing any of the products of the present invention specific needs while need not reach all the above technical effect.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is the schematic diagram of the section structure of electrowetting panel in the prior art；
Fig. 2 is the planar structure schematic diagram of electrowetting panel in the prior art；
Fig. 3 is a kind of planar structure schematic diagram of electrowetting panel provided in an embodiment of the present invention；
Fig. 4 is stress condition schematic diagram when advancing in drop electrowetting panel shown in Fig. 3；
Fig. 5 is the planar structure schematic diagram of another electrowetting panel provided in an embodiment of the present invention；
Fig. 6 is the planar structure schematic diagram of another electrowetting panel provided in an embodiment of the present invention；
Fig. 7 is the electrode structure schematic diagram of another electrowetting panel provided in an embodiment of the present invention；
Fig. 8 is the planar structure schematic diagram of another electrowetting panel provided in an embodiment of the present invention；
Fig. 9 is the electrode structure schematic diagram of another electrowetting panel provided in an embodiment of the present invention；
Figure 10 is the planar structure schematic diagram of another electrowetting panel provided in an embodiment of the present invention；
Figure 11 is the electrode structure schematic diagram of another electrowetting panel provided in an embodiment of the present invention；
Figure 12 is the electrode structure schematic diagram of another electrowetting panel provided in an embodiment of the present invention；
Figure 13 is the planar structure schematic diagram of another electrowetting panel provided in an embodiment of the present invention；
Figure 14 is the electrode structure schematic diagram of another electrowetting panel provided in an embodiment of the present invention；
Figure 15 is the planar structure schematic diagram of another electrowetting panel provided in an embodiment of the present invention；
Figure 16 is the electrode structure schematic diagram of another electrowetting panel provided in an embodiment of the present invention；
Figure 17 is the planar structure schematic diagram of another electrowetting panel provided in an embodiment of the present invention；
Figure 18 is the part plan structural schematic diagram of electrowetting panel shown in Figure 17；
Figure 19 is the planar structure schematic diagram of another electrowetting panel provided in an embodiment of the present invention；
Figure 20 is a kind of structural schematic diagram of analytical equipment provided in an embodiment of the present invention.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Fig. 3 and Fig. 4 are please referred to, Fig. 3 is a kind of planar structure schematic diagram of electrowetting panel provided in an embodiment of the present invention；
Present embodiments provide a kind of electrowetting panel, comprising:
Substrate 100；
Electrode layer E on the substrate 100 is set；
Electrode layer E includes multiple the first driving electrodes 10 being arranged in array；Multiple first driving electrodes 10 are along first party
It arranges to X；
First driving electrodes 10 include the first first edge 11 and the first second edge 12 being oppositely arranged along first direction X；
First first edge 11 has the first first endpoint 11a and the second first endpoint 11b, the first first endpoint 11a and the second first end
The line of point 11b is the first line L1；It is any in addition to the first first endpoint 11a and the second first endpoint 11b on first first edge 11
A little it is located at the first side of the first line L1；Wherein, the first side of the first line L1 is the first line L1 away from first direction
Side；
First second edge 12 has the first second endpoint 12a and the second second endpoint 12b, the first second endpoint 12a and the second second end
The line of point 12b is the second line L2；It is any in addition to the first second endpoint 12a and the second second endpoint 12b on first second edge 12
A little it is located at the first side of the second line L2；Wherein, the first side of the second line L2 is the second line L2 away from first direction
Side.
In the present embodiment, electrowetting panel includes substrate 100, and substrate 100 can be hard, such as use glass material
Production, the present embodiment are not specifically limited this.
Electrode layer E is carried on substrate 100, electrode layer E includes multiple first driving electrodes 10, and the first driving electrodes 10 are in
Array is arranged, and is only illustrated so that the first driving electrodes 10 are in the column arrangement of 3 rows 3 as an example in Fig. 3.In the present invention, other are optional
In embodiment, first electrode can be in 2 rows 3 column or 3 rows 4 column or the more array arrangement of ranks, but the present embodiment pair
This is not specifically limited.Wherein, there are multiple first driving electrodes 10 arranges along first direction X, and optionally, first direction X is
The moving direction of drop.
In order to improve the mobile precision of drop, in the present embodiment, special shape is set by the first driving electrodes 10.
Specifically, the first driving electrodes 10 include the first first edge 11 and the first second side being oppositely arranged along first direction
Edge 12.Wherein, any point on the first first edge 11 in addition to the first first endpoint 11a and the second first endpoint 11b is located at first and connects
The first side of line L1, in other words, the whole opposite direction protrusion towards first direction X in the first first edge 11.On first second edge 12
Any point in addition to the first second endpoint 12a and the second second endpoint 12b is located at the first side of the second line L2, in other words, first
The whole opposite direction protrusion towards first direction X in second edge 12.
For two adjacent the first driving electrodes 10, the shape of the two is worked in coordination, to drive drop to advance.It please refers to
Fig. 4, Fig. 4 are stress condition schematic diagrames when advancing in drop electrowetting panel shown in Fig. 3, only with adjacent the in Fig. 4
For one driving electrodes 10A and the first driving electrodes 10B, the situation of movement of drop is illustrated.To the first driving electrodes
10A provides low potential (illustrating in figure with "-"), provides high potential (illustrating in figure with "+") to the first driving electrodes 10B, Fig. 4
In arrow illustrate drop suffered electric field force direction, under the action of electric field force, drop is from the first driving electrodes 10A
It is mobile towards the first driving electrodes 10B.Drop not only will receive direction of travel (as first direction) electric field during traveling
Effect, also suffer from the effect perpendicular to direction of travel electric field.Once drop offsets by first direction X during traveling,
It back to normal can advance again along first direction X under the action of electric field force.Also, liquid under the action of electric field force, can be made
The state that remains retracted is dripped, prevents drop newly into deforming and offset direction in the process.
It should be noted that the first driving electrodes 10A can be negative potential, the first driving electrodes 10B can be positive potential,
"-", "+" in Fig. 4 only make exemplary illustration.In the embodiment of the present invention, is provided to the first driving electrodes 10B and be higher than the first drive
The current potential of moving electrode 10A, drop can advance along first direction.
It should be noted that Fig. 3 and Fig. 4 only illustratively illustrate the shape of the first driving electrodes 10.In reality
In the application on border, the first first edge 11 and the first second edge of the first driving electrodes 10 can there are many, such as zigzag, wave
The shape at shape, arc etc., the shape at the first first edge 11 and the first second edge can be the same or different, and the present embodiment is to this
It is not specifically limited.In the case where can be realized same technique effect, the amount of edge of the first driving electrodes 10 can also have
Multiple, the present embodiment is not specifically limited this.
Optionally, electrode layer E is covered with insulating layer away from the side of substrate 100, insulating layer away from electrode layer E side with
Drop directly contacts, and needs good hydrophobicity and chemical stability.
Electrowetting panel provided in this embodiment, at least have it is following the utility model has the advantages that
It sets the first driving electrodes 10 to along the first first edge 11 that first direction is oppositely arranged and the first second edge 12
Special shape, specifically, any point on the first first edge 11 in addition to the first first endpoint 11a and the second first endpoint 11b is located at
The first side of first line L1, any one point on the first second edge 12 in addition to the first second endpoint 12a and the second second endpoint 12b
In the first side of the second line L2.In other words, the first first edge 11 and the first second edge 12 are whole towards the anti-of first direction X
Direction protrusion, makes the shape of the first driving electrodes 10 opposite direction protrusion of substantially first direction X on the whole, and approximation bent moon is presented
Shape, can make drop during traveling, not only will receive the effect of direction of travel (as first direction) electric field, can also
By the effect perpendicular to direction of travel electric field.By the effect perpendicular to direction of travel electric field, when drop uplink in a first direction
Into when, drop can be made to be advanced along a first direction without deviating；When drop is deviateed first by the interference of extraneous factor
When direction, under the action of perpendicular to direction of travel electric field, drop can be mobile to preset track, restores normal traveling side
To.Also, when controlling the traveling of multiple drops at the same time, the accurate manipulation to multiple drops may be implemented, prevent drop offset pre-
If track and the pollution that contacts with each other.
So that electrode is whole substantially to the opposite direction protrusion of first direction X, it can make drop during traveling, not only
The effect that will receive direction of travel (as first direction) electric field, also suffers from the effect perpendicular to direction of travel electric field.
When drop is advanced in a first direction, reaches balance perpendicular to the electric field of direction of travel, be the shape cancelled out each other
State can make drop be advanced along a first direction without shifting；When drop is deviateed by the interference of extraneous factor
When one direction, the electric field action perpendicular to direction of travel that is subject to will disequilibrium, to make drop to preset track
It is mobile, restore normal direction of travel；When multiple drops being driven to advance simultaneously, the shape by changing electrode makes drop along first
Direction is advanced, and prevents drop from deviating under the interference of extraneous factor, the accurate manipulation to multiple drops may be implemented, and is prevented mutually
Contact stain.
In some alternative embodiments, referring to FIG. 5, Fig. 5 is another electrowetting face provided in an embodiment of the present invention
The planar structure schematic diagram of plate；In the present embodiment, the first first edge 11 and the first second edge 12 are camber line.
Camber line smoothness more more mellow and fuller than broken line or other kinds of lines, can make it of the first adjacent driving electrodes
Between field distribution it is more uniform, be further beneficial to prevent drop deformation, realize the accurate manipulation to multiple drops.
Optionally, the first line L1 and the second line L2 are parallel to each other, and the length of the first line L1 is less than the second line
The length of L2.
In some alternative embodiments, Fig. 6 and Fig. 7 are please referred to, Fig. 6 is another electricity profit provided in an embodiment of the present invention
The planar structure schematic diagram of wet panel；Fig. 7 is the electrode structure signal of another electrowetting panel provided in an embodiment of the present invention
Figure；
In the present embodiment, the first first edge 11 has the first first arc core 11H, and the first second edge 12 has the first second arc core
The line HL of 12H, the first first arc core 11H and the first second arc core 12H are parallel with first direction X.
When the line HL of the first first arc core 11H and the first second arc core 12H are parallel with first direction X, be conducive to make first
The figure of driving electrodes, for symmetrical axial symmetry, can make field distribution between the first adjacent driving electrodes more with line HL
Add uniformly, and the electric field for falling in first direction for being conducive to be subject to drop reaches balance, is conducive to the stability under loading of drop
Property, prevent drop from deviating preset motion track.
In some alternative embodiments, Fig. 8 and Fig. 9 are please referred to, Fig. 8 is another electricity profit provided in an embodiment of the present invention
The planar structure schematic diagram of wet panel；Fig. 9 is the electrode structure signal of another electrowetting panel provided in an embodiment of the present invention
Figure；
In the present embodiment, the first first edge 11 is identical with the radian at the first second edge 12.
In electrowetting panel provided in this embodiment, the radian measure alpha 2 of the radian measure alpha 1 at the first first edge 11 and the first second edge 12
Identical, the as shape at the first first edge 11 and the first second edge 12 is identical.Optionally, the first first edge 11 has first
First arc core 11H, the first second edge 12 have the line HL of the first second arc core 12H, the first first arc core 11H and the first second arc core 12H
It is parallel with first direction X.Optionally, the figure of the first driving electrodes is with line HL for symmetrical axial symmetry.In the present embodiment, favorably
In keeping the distribution of the electric field between the first adjacent driving electrodes more uniform, and be conducive to be subject to drop falls in first
The electric field in direction reaches balance, improves the stability that drop is advanced, and the accuracy of manipulation drop can be improved.
Optionally, in various embodiments of the present invention, the distance between first adjacent driving electrodes can be identical or not
Together, apart from it is identical when electric field distribution it is more uniform be conducive to drop stablize movement.
In some alternative embodiments, please refer to Figure 10 and Figure 11, Figure 10 be it is provided in an embodiment of the present invention another
The planar structure schematic diagram of electrowetting panel；Figure 11 is the electrode structure of another electrowetting panel provided in an embodiment of the present invention
Schematic diagram；
In the present embodiment, electrode layer E includes multiple second driving electrodes 20 and multiple third driving electrodes 30；Second driving
Electrode 20 and third driving electrodes 30 are located at the first driving electrodes 10 opposite two sides in a second direction；Wherein, second party
To vertical with first direction；
Second driving electricity 20 includes extremely the second first edge 21, the second first edge 21 packet close to the side of the first driving electrodes 10
Include the first end point 21a close to the first driving electrodes 10 and the second endpoint 21b far from the first driving electrodes 10；
The line of first end point 21a and the second endpoint 21b are the first line segment S1, the second first edge 21 and the first line segment L2 weight
Arbitrary end point in conjunction or the second first edge 21 in addition to first end point 21a and the second endpoint 21b is located at First Line section S1's
First side；Wherein, the first side of the first line segment S1 is away from the side of first direction；
It is Party A to D1 that first end point 21a, which is directed toward the direction of the second endpoint 21b, and Party A has point along first direction to D1
Amount；
Third driving electrodes 30 include third first edge 31 close to the side of the first driving electrodes 10, and third first edge 31 wraps
Include the third endpoint 31c close to the first driving electrodes 10 and the 4th endpoint 31d far from the first driving electrodes 10；
The line of third endpoint 31c and the 4th endpoint 31d are second line segment S2, third first edge 31 and second line segment S2 weight
Arbitrary end point in conjunction or third first edge 31 in addition to third endpoint 31c and the 4th endpoint 31d is located at second line segment S2's
First side；Wherein, the first side of second line segment S2 is away from the side of first direction；
It is Party B to D2 that third endpoint 31c, which is directed toward the direction of the 4th endpoint 31d, and Party B has point along first direction to D2
Amount.
In the present embodiment, the second driving electrodes 20 and third are set in the two sides of the first driving electrodes 10 Y in a second direction
Driving electrodes 30, the second driving electricity 20 include the second first edge 21, and third driving electrodes 30 include third first edge 31.For
The global shape and extending direction at diformazan edge 21 and third first edge 31 carry out special designing, to assist the first driving electrodes,
Further accurate manipulation drop is advanced.Specifically, low potential (illustrating in figure with "-") is provided to the first driving electrodes 10C, to
First driving electrodes 10D provides high potential (illustrating in figure with "+"), is provided which to the second driving electrodes 20 and third driving electrodes
Low potential (is illustrated in figure with "-").Where drop offsets by preset motion track, such as the second driving electrodes of direction 20
Side offset when, (the arrow in Fig. 4 under the action of electric field force between the second driving electrodes 20 and the first driving electrodes 10D
Head illustrates the direction of the suffered electric field force of drop), the motion track that drop can be back to normal.Similarly, when drop is towards the
When side where three driving electrodes 30 deviates, the work of the electric field force between third driving electrodes and the first driving electrodes 10D
Under, the motion track that drop can also be made back to normal, to improve the accuracy controlled drop.
Optionally, the second driving electrodes 20 and third driving electrodes 30 at a distance from the first driving electrodes can it is identical can also
With difference, apart from it is identical when electric field distribution it is more uniform be conducive to drop stablize movement.
In some alternative embodiments, Figure 12 is please referred to, Figure 12 is another electrowetting provided in an embodiment of the present invention
The electrode structure schematic diagram of panel；
Second first edge 21 and third first edge 31 are about the first symmetry axis X1 mirror symmetry, the first symmetry axis X1 and first
Direction is parallel.
In the present embodiment, 31 first symmetry axis X1 mirror symmetry of the second first edge 21 and third first edge, the first symmetry axis
X1 is parallel with first direction X.First driving electrodes 10 are arranged along first direction X, then the second driving electrodes 20 and third driving electricity
The electric field action power to drop Y in a second direction that pole 30 is formed is in equilibrium state, the second driving on the first symmetry axis X1
Electrode 20 and third driving electrodes 30 can make drop advance along the first direction symmetry axis X1, make drop with the first driving electrodes 10
The direction of traveling is consistent, can accelerate drop travel rate, further decreases the possibility of drop offset.
It should be noted that in electrowetting panel shown in Figure 10-Figure 12, only with the second first edge and third first edge
Shape be broken line for be illustrated.Optionally, the shape at the second first edge and third first edge can there are many, for example, asking
With reference to Figure 13 and Figure 14.
In some alternative embodiments, please refer to Figure 13 and Figure 14, Figure 13 be it is provided in an embodiment of the present invention another
The planar structure schematic diagram of electrowetting panel；Figure 14 is the electrode structure of another electrowetting panel provided in an embodiment of the present invention
Schematic diagram；In the present embodiment, the second driving electrodes 20 and third driving electrodes 30 are triangle.Correspondingly, the second driving electricity
Second first edge 21 of pole 20 is straightway shape, and the third first edge 31 of third driving electrodes 30 is straightway shape.
In some alternative embodiments, please refer to Figure 15 and Figure 16, Figure 15 be it is provided in an embodiment of the present invention another
The planar structure schematic diagram of electrowetting panel；Figure 16 is the electrode structure of another electrowetting panel provided in an embodiment of the present invention
Schematic diagram；
Second first edge 21 and third first edge 31 are camber line.Correspondingly, the second first edge 21 is electric towards the second driving
20 indent of pole, third first edge 31 is towards 30 indent of third driving electrodes.
It should be noted that only making to show for the shape at the second first edge and third first edge in the above embodiment of the present invention
The explanation of example property.Second first edge and third first edge can also be other shapes, such as irregular curve or irregular
Broken line, no longer Detailed description of the invention one by one to this of the embodiment of the present invention.
In some alternative embodiments, Figure 17 is please referred to, multiple first driving electrodes 10 are along first direction and second party
To array arrangement；First driving electrodes further include the one the third edges 13, and the opposite direction of the one the third edge 13 towards second directions is convex
It rises.
Optionally, please continue to refer to Figure 17, the first driving electrodes 10 further include the first fourth edge 14, the one the third 13 Hes of edge
First fourth edge is oppositely arranged along 14 second direction Y；Opposite direction protrusion of the first fourth edge 14 towards second direction Y.
In electrowetting panel provided in this embodiment, the one the third edges 13 and the first fourth edge are along 14 Y phases in a second direction
To setting, and towards the opposite direction protrusion of second direction Y.Electrowetting panel provided in this embodiment during the work time,
Drop can also be made to advance along second direction Y.
For two adjacent the first driving electrodes 10, the shape of the two is worked in coordination.Referring to FIG. 4, in Figure 18 only with
For adjacent the first driving electrodes 10E and the first driving electrodes 10F, the situation of movement of drop is illustrated.To first
Driving electrodes 10E provides low potential (illustrating in figure with "-"), provides high potential to the first driving electrodes 10F and (is shown in figure with "+"
Meaning), the arrow in Figure 18 illustrates the direction of the suffered electric field force of drop, and under the action of electric field force, drop drives from first
Moving electrode 10E is mobile towards the first driving electrodes 10F.Drop not only will receive direction of travel (as second during traveling
Direction) electric field effect, also suffer from the effect perpendicular to direction of travel electric field.Once drop offsets by during traveling
Two direction Y, Y in a second direction that under the action of electric field force again can be back to normal advance.Also, under the action of electric field force,
The state that drop can be made to remain retracted prevents drop newly into deforming and offset direction in the process.
It should be noted that the first driving electrodes 10E can be negative potential, the first driving electrodes 10F can be positive potential,
"-", "+" in Figure 18 only make exemplary illustration.In the embodiment of the present invention, is provided to the first driving electrodes 10F and be higher than the first drive
The current potential of moving electrode 10E, drop can advance in a second direction.
In electrowetting panel provided in this embodiment, drop not only will receive direction of travel (as during traveling
Two directions) electric field effect, also suffer from the effect perpendicular to direction of travel electric field.By the work perpendicular to direction of travel electric field
With, when drop is advanced in a second direction, can make drop along second direction advance without deviating；When drop is by outer
The interference of boundary's factor and when deviateing second direction, under the action of perpendicular to direction of travel electric field, drop can be to preset track
It is mobile, restore normal direction of travel.Also, when controlling the traveling of multiple drops at the same time, the essence to multiple drops may be implemented
Quasi- manipulation prevents drop from deviating preset track and the pollution that contacts with each other.
In some alternative embodiments, Figure 19 is please referred to, Figure 19 is another electrowetting provided in an embodiment of the present invention
The planar structure schematic diagram of panel；First second edge 12 is connected to form arc shape with the first fourth edge 14.The present embodiment mentions
In the electrowetting panel of confession, the first driving electrodes are the shape of almost fan.
In electrowetting panel provided in this embodiment, the whole opposite direction protrusion towards first direction X in the first second edge 12,
First second edge 12 and the first fourth edge 14 can be arranged to by the first fourth edge 14 towards the opposite direction protrusion of second direction Y
Arc shape is formed to be connected, the shape of the first driving electrodes generally almost fan.Electrowetting face provided in this embodiment
Plate simplifies the shape of the first driving electrodes, can reduce the manufacture difficulty of the first driving electrodes, to reduce cost.
A kind of analytical equipment is present embodiments provided, the electrowetting panel provided including any of the above-described embodiment of the present invention.
Figure 20 is please referred to, Figure 20 is a kind of structural schematic diagram of analytical equipment provided in an embodiment of the present invention.Provided in this embodiment point
Analysis apparatus includes the electrowetting panel and solution pool R100 that any of the above-described embodiment of the present invention provides, and electrowetting panel is from molten
Drop is obtained in liquid pool R100.
Optionally, driving circuit DC is additionally provided in analytical equipment, driving circuit DC can be set on the substrate 100, but
The present embodiment is not specifically limited this.
Optionally, Y is located at the first driving electrodes electrical connection of same row in a second direction, and driving circuit DC is to same row the
One driving electrodes provide identical electric signal.Alternatively, driving circuit DC can also divide in other optional embodiments of the invention
Electric signal is not provided separately to each first driving electrodes.The present embodiment is not specifically limited this.
Analytical equipment provided in this embodiment, the beneficial effect with the electrowetting panel that the above embodiment of the present invention provides
Fruit, specifically can be with reference to the various embodiments described above for the explanation of electrowetting panel, and details are not described herein for the present embodiment.
Through the foregoing embodiment it is found that electrowetting panel provided by the invention and analytical equipment, at least realize following
The utility model has the advantages that
Special form is set along the first first edge that first direction is oppositely arranged and the first second edge by the first driving electrodes
Shape, specifically, any point on the first first edge in addition to the first first endpoint and the second first endpoint is located at the first of the first line
Side, any point on the first second edge in addition to the first second endpoint and the second second endpoint are located at the first side of the second line.Change speech
It, the first first edge and the first second edge are whole towards the opposite direction protrusion of first direction, make the first driving electrodes on the whole
The substantially shape of the opposite direction protrusion of first direction is presented the shape of approximate bent moon, can make drop during traveling, no
The effect that only will receive direction of travel (as first direction) electric field, also suffers from the effect perpendicular to direction of travel electric field.By
Perpendicular to the effect of direction of travel electric field, when drop is advanced in a first direction, drop can be made to advance along a first direction
Without deviating；When drop is deviateed first direction by the interference of extraneous factor, in the work perpendicular to direction of travel electric field
Under, drop can be mobile to preset track, restores normal direction of travel.Also, when controlling the traveling of multiple drops at the same time,
The accurate manipulation to multiple drops may be implemented, prevent drop from deviating preset track and the pollution that contacts with each other.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (14)
1. a kind of electrowetting panel characterized by comprising
Substrate；
Electrode layer on the substrate is set；
The electrode layer includes multiple the first driving electrodes being arranged in array；Multiple first driving electrodes are along first direction
Arrangement；
First driving electrodes include the first first edge and the first second edge being oppositely arranged along the first direction；
First first edge has the first first endpoint and the second first endpoint, the first first endpoint and the second first endpoint
Line is the first line；Any one point on first first edge in addition to the first first endpoint and the second first endpoint
In the first side of first line；Wherein, the first side of first line is that first line deviates from the first party
To side；
First second edge has the first second endpoint and the second second endpoint, the first second endpoint and the second second endpoint
Line is the second line；Any one point on first second edge in addition to the first second endpoint and the second second endpoint
In the first side of second line；Wherein, the first side of second line is that second line deviates from the first party
To side.
2. electrowetting panel according to claim 1, which is characterized in that
First first edge and first second edge are camber line.
3. electrowetting panel according to claim 2, which is characterized in that
First first edge has the first first arc core, and first second edge has the first second arc core, the first first arc core
It is parallel with the first direction with the line of the first second arc core.
4. electrowetting panel according to claim 2, which is characterized in that
First first edge is identical with the radian at first second edge.
5. electrowetting panel according to claim 1, which is characterized in that
The electrode layer includes multiple second driving electrodes and multiple third driving electrodes；Second driving electrodes and described
Three driving electrodes are located at first driving electrodes opposite two sides in a second direction；Wherein, the second direction and institute
It is vertical to state first direction；
Second driving electrodes include the second first edge, second first edge packet close to the side of first driving electrodes
Include the first end point close to first driving electrodes and the second endpoint far from first driving electrodes；
The line of the first end point and second endpoint is the first line segment, second first edge and the first line segment weight
Arbitrary end point in conjunction or second first edge in addition to the first end point and second endpoint is located at described first
First side of line segment；Wherein, the first side of first line segment is away from the side of the first direction；
It is Party A to the Party A is to along the first direction that the first end point, which is directed toward the direction of second endpoint,
Component；
The third driving electrodes include third first edge, third first edge packet close to the side of first driving electrodes
Include the third endpoint close to first driving electrodes and the 4th endpoint far from first driving electrodes；
The line of the third endpoint and the 4th endpoint is second line segment, third first edge and the second line segment weight
Arbitrary end point in conjunction or third first edge in addition to the third endpoint and the 4th endpoint is located at described first
First side of line segment；Wherein, the first side of the second line segment is away from the side of the first direction；
It is Party B to the Party B is to along the first direction that the third endpoint, which is directed toward the direction of the 4th endpoint,
Component.
6. electrowetting panel according to claim 5, which is characterized in that
Second first edge and third first edge are about the first symmetry axis mirror symmetry, first symmetry axis and described
First direction is parallel.
7. electrowetting panel according to claim 5, which is characterized in that
Second driving electrodes and the third driving electrodes are triangle.
8. electrowetting panel according to claim 5, which is characterized in that
Second first edge and third first edge are camber line.
9. electrowetting panel according to claim 1, which is characterized in that
The multiple first driving electrodes are along the first direction and second direction array arrangement；
First driving electrodes further include the one the third edges, and the opposite direction of the one the third edge towards the second direction is convex
It rises.
10. electrowetting panel according to claim 9, which is characterized in that
First driving electrodes further include with first fourth edge, the one the third edge and first fourth edge are along institute
Second direction is stated to be oppositely arranged；
Opposite direction protrusion of the one the third edge towards the second direction.
11. electrowetting panel according to claim 9, which is characterized in that
First second edge is connected to form arc shape with first fourth edge.
12. electrowetting panel according to claim 1, which is characterized in that
The first direction is drop moving direction.
13. electrowetting panel according to claim 9, which is characterized in that
The first direction and the second direction are drop moving direction.
14. a kind of analytical equipment, which is characterized in that including according to claim 1-13 described in any item electrowetting panels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910244095.4A CN109870801B (en) | 2019-03-28 | 2019-03-28 | Electrowetting panel and analysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910244095.4A CN109870801B (en) | 2019-03-28 | 2019-03-28 | Electrowetting panel and analysis device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109870801A true CN109870801A (en) | 2019-06-11 |
| CN109870801B CN109870801B (en) | 2021-08-06 |
Family
ID=66921468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910244095.4A Active CN109870801B (en) | 2019-03-28 | 2019-03-28 | Electrowetting panel and analysis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109870801B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112447109A (en) * | 2020-11-24 | 2021-03-05 | 京东方科技集团股份有限公司 | Driving back plate, display panel, manufacturing method of display panel, backlight source and display device |
| WO2022061713A1 (en) * | 2020-09-25 | 2022-03-31 | 京东方科技集团股份有限公司 | Microfluidic chip and microfluidic system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102600919A (en) * | 2012-03-20 | 2012-07-25 | 复旦大学 | Method for limiting one-way transporting of liquid drop of digital micro-flow control chip |
| CN102671722A (en) * | 2011-02-17 | 2012-09-19 | 王崇智 | Field-programmable lab-on-a-chip based on microelectrode array architecture |
| CN103707643A (en) * | 2007-12-23 | 2014-04-09 | 先进液体逻辑公司 | Droplet actuator configurations and methods of conducting droplet operations |
| CN108226012A (en) * | 2018-01-02 | 2018-06-29 | 京东方科技集团股份有限公司 | The control method of micro-fluidic chip, analytical equipment and micro-fluidic chip |
| CN207992822U (en) * | 2018-01-11 | 2018-10-19 | 广州航海学院 | Control the device of drop moving direction |
-
2019
- 2019-03-28 CN CN201910244095.4A patent/CN109870801B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707643A (en) * | 2007-12-23 | 2014-04-09 | 先进液体逻辑公司 | Droplet actuator configurations and methods of conducting droplet operations |
| CN102671722A (en) * | 2011-02-17 | 2012-09-19 | 王崇智 | Field-programmable lab-on-a-chip based on microelectrode array architecture |
| CN102600919A (en) * | 2012-03-20 | 2012-07-25 | 复旦大学 | Method for limiting one-way transporting of liquid drop of digital micro-flow control chip |
| CN108226012A (en) * | 2018-01-02 | 2018-06-29 | 京东方科技集团股份有限公司 | The control method of micro-fluidic chip, analytical equipment and micro-fluidic chip |
| CN207992822U (en) * | 2018-01-11 | 2018-10-19 | 广州航海学院 | Control the device of drop moving direction |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022061713A1 (en) * | 2020-09-25 | 2022-03-31 | 京东方科技集团股份有限公司 | Microfluidic chip and microfluidic system |
| CN114761130A (en) * | 2020-09-25 | 2022-07-15 | 京东方科技集团股份有限公司 | Microfluidic chip and microfluidic system |
| CN114761130B (en) * | 2020-09-25 | 2023-05-16 | 京东方科技集团股份有限公司 | Microfluidic chip and microfluidic system |
| CN112447109A (en) * | 2020-11-24 | 2021-03-05 | 京东方科技集团股份有限公司 | Driving back plate, display panel, manufacturing method of display panel, backlight source and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109870801B (en) | 2021-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109870801A (en) | Electrowetting panel and analytical equipment | |
| CN102243397A (en) | Liquid crystal panel and spacer structure thereof | |
| Quinn et al. | Contact angle saturation in electrowetting | |
| CN109876875A (en) | Micro-fluidic chip and its driving method, analytical equipment | |
| CN104846400B (en) | A kind of electrolysis device based on electrowetting principle on dielectric layer and preparation method thereof | |
| US10459309B2 (en) | Electronic paper and manufacturing method thereof | |
| Saranya et al. | Fabrication of precise microchannels using a side-insulated tool in a spark assisted chemical engraving process | |
| CN104140927A (en) | Cell position and attitude adjusting chip, device and method | |
| CN104183693A (en) | Piezoelectric vibrating device | |
| CN103752357A (en) | Self-driven digital micro-chute based on friction generator | |
| CN106763042A (en) | A kind of bond and adhering method | |
| CN108405004A (en) | A kind of drop formation control method and its system | |
| EP2204233A4 (en) | Flow cell, apparatus for concentrating radioactive fluorine anion, and method of concentrating radioactive fluorine anion | |
| KR20130117309A (en) | Bubble manipulation apparatus using ewod and micro-object manipulation method thereby | |
| CN110270386A (en) | Micro-fluidic chip and its driving method | |
| CN208494260U (en) | Surface microlayer model based on dielectrophoresis allots structure | |
| CN109926110A (en) | Chip substrate and micro-fluidic chip | |
| EP2321695B1 (en) | A moving particle display device | |
| CN105873840B (en) | The manufacture method of glass plate retainer, glass plate moving limiting device and glass article | |
| CN106660851A (en) | Method for molding glass substrate | |
| CN109999929A (en) | Micro fluidic device and its driving method | |
| CN109603928A (en) | Drop segmenting device and method based on drop microfluidic control | |
| CN103018895A (en) | Simulation micro-mirror for surface micro-machining | |
| US20090134009A1 (en) | Device for controlling the displacement of a volume of liquid between two or more solid substrates and displacement method | |
| CN108883415A (en) | Digital micro-fluid device and its manufacturing method, microfluidic device, lab-on-chip devices and digital microfluidic methods |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |