CN110161675A - A kind of electric moistening display part and preparation method thereof based on conductive column - Google Patents
A kind of electric moistening display part and preparation method thereof based on conductive column Download PDFInfo
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- CN110161675A CN110161675A CN201910378414.0A CN201910378414A CN110161675A CN 110161675 A CN110161675 A CN 110161675A CN 201910378414 A CN201910378414 A CN 201910378414A CN 110161675 A CN110161675 A CN 110161675A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims description 20
- 239000007769 metal material Substances 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 10
- 229920002120 photoresistant polymer Polymers 0.000 claims description 9
- 238000007641 inkjet printing Methods 0.000 claims description 5
- 230000008020 evaporation Effects 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 4
- 238000001259 photo etching Methods 0.000 claims description 4
- 238000007650 screen-printing Methods 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 230000005684 electric field Effects 0.000 abstract description 13
- 239000000758 substrate Substances 0.000 description 23
- 230000000694 effects Effects 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000011521 glass Substances 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000002209 hydrophobic effect Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000002310 reflectometry Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 229920002313 fluoropolymer Polymers 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 238000004528 spin coating Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/004—Optical devices or arrangements for the control of light using movable or deformable optical elements based on a displacement or a deformation of a fluid
- G02B26/005—Optical devices or arrangements for the control of light using movable or deformable optical elements based on a displacement or a deformation of a fluid based on electrowetting
Abstract
The invention discloses a kind of electric moistening display part and preparation method thereof based on conductive column, the electric moistening display part includes the upper electrically-conductive backing plate being oppositely arranged and lower electrically-conductive backing plate, pixel wall is provided on the lower electrically-conductive backing plate, the pixel wall surrounds pixel compartments, conductive column is provided in the upper electrically-conductive backing plate or the pixel compartments, the surface of the conductive column is in oleophobic property.The present invention introduces conductive pillar structure in electric moistening display part to generate corresponding electric field, change the distribution situation of uniform electric field between original parallel-plate, it can reach required electric field strength at the lower voltage and realize pixel switch, and since the surface of conductive column is in oleophobic property, the unification that can be realized ink rupture location in pixel compartments is controllable, and more easily processing is promoted.
Description
Technical field
The present invention relates to electrowetting field of display technology, more particularly, to a kind of electric moistening display part based on conductive column
And preparation method thereof.
Background technique
Electrowetting, which is shown, has the characteristics that low energy consumption, high reflectance, high contrast, fast response time, angle of visibility are wide, and aobvious
Show that effect does not receive plate gap and influences to hves great potential in the exploitation of flexible display screen, is shown compared with existing display technology huge
Big advantage is expected to replace available liquid crystal display screen, becomes next-generation main flow display.Electric moistening display part be earliest by
PHILIPS Co. where R.A.Haye etc. realizes (referring to document: Hayes R A, Feenstra B J.Video-speed
electronic paper based on electrowetting[J].Nature,2003,425(6956):383-385).Ginseng
See Fig. 1, the optics stepped construction of the display device is by white reflecting substrate 11, transparent electrode 12, hydrophobic dielectric layer 13, color oil
Ink 14 and water 15 form.In the equilibrium state being not powered on, due to yo,w+yo,i<yw,i, wherein y is interfacial tension, subscript O, W, i difference
Represent ink, water and hydrophobic dielectric layer, colored ink forms continuous spread film (a institute in Fig. 1 between hydrophobic dielectric layer and water
Show)；Apply the energy balance that electric field energy breaks original system, water will replace ink and dielectric layer surface to form wetting contact, i.e. light
White backboard is exposed in the contraction that ink is pushed on (in Fig. 1 shown in b).
Referring to fig. 2, by Young-Lippmann equationKnow, (wherein Yas, Ysw, YawRespectively
The interfacial tension of air and dielectric layer, dielectric layer and water, air and water, θYFor the contact angle of dielectric layer and water.Apply to device
When certain voltage, charge is injected into water, and is contacted with dielectric layer, the electrostatic force on each unit areaε and d
Respectively dielectric constant and medium thickness.Electrostatic force destroys original interface balance, the interfacial contact angle of water and dielectric layer
It is reduced to θvSystem is set to reach balance again.Voltage is removed, completely, drop will restore initial contact angle for charge release.Drop
Three-phase contact angle becomes smaller with the increase of applied voltage absolute value, with the thickness of dielectric layer, dielectric constant and liquid phase
Force coefficient has relationship, (bibliography: Yang S.Highly Reflective Multi-stable unrelated with polarity of voltage
Electrofluidic Display Pixels[J].Dissertations&Theses-Gradworks,2012)。
Electric moistening display part is usually by the electrically-conductive backing plate up and down being oppositely arranged, the dielectric being arranged on lower electrically-conductive backing plate
Pixel wall on the dielectric layer and the ink and water that are filled between upper and lower electrically-conductive backing plate composition is arranged in layer, and essence is equivalent to
One plane-parallel capacitor, can be from the coefficient of tension and device architecture for improving the thickness of dielectric layer, dielectric constant, liquid phase
Achieve the purpose that reduce driving voltage etc. starting with.Indicate that pixel is in closing shape when no applied voltage referring to Fig. 3 and Fig. 4, Fig. 3
State, Fig. 4 indicate to apply the ink that occurs after voltage and climb over the walls phenomenon, when traditional electric moistening display part work, on the one hand, high
Driving voltage easily causes the breakdown of dielectric layer, and the service life of electric moistening display part is made to have a greatly reduced quality；On the other hand, due to lacking
Weary ink is possible to mobile to any corner of pixel to the opening of ink and the control of movement, causes pixel to be opened uneven,
And the height of ink can usually increase to 5 times of script after pixel opening, much larger than the height of pixel wall, due to pixel wall
Hydrophily is not enough or shape is not sharp enough, then ink is easy to climb over the walls, and further influences display effect.Currently, there is researcher to adopt
Pixel wall is surface-treated with physics or chemical method, for example applies one layer of water wetted material etc. again on pixel wall surface, but
This method technique is cumbersome and is easy that material is made to be contaminated the display performance for influencing electric moistening display part.Number of patent application is
201810361384.8 patent document discloses a kind of electrowetting array of display substrate, electric moistening display part and its preparation side
Method cooperates and is arranged using column construction and open-electrode, insulating layer, improve by adding column construction in pixel compartments
The display effect of display, but not can be implemented simultaneously the reduced purpose of driving voltage, and high driving voltage easily causes
The breakdown of dielectric layer makes the service life of electric moistening display part have a greatly reduced quality, and device reliability issues are not had still
Effect solves.
Summary of the invention
In view of the deficiencies of the prior art, the electric moistening display part that the object of the present invention is to provide a kind of based on conductive column and
Preparation method, the electric moistening display part can reach required electric field strength at the lower voltage and realize pixel switch, and
The unification that can be realized ink rupture location in pixel compartments is controllable, popularization easy to process.
The technical solution used in the present invention is:
The present invention provides a kind of electric moistening display part based on conductive column, including the upper electrically-conductive backing plate that is oppositely arranged and
Lower electrically-conductive backing plate, is provided with pixel wall on the lower electrically-conductive backing plate, and the pixel wall surrounds pixel compartments, the upper electrically-conductive backing plate or
Conductive column is provided in the pixel compartments, the surface of the conductive column is in oleophobic property.
In some preferred embodiments, the conductive column is located in the pixel compartments, filled with oil in the pixel compartments
Ink, the height of the conductive column are lower than the thickness of the ink, and conductive column is located under oil film 1~2 μm, do not influence the aobvious of device
Show effect.In some preferred embodiments, 2~3 μm of the height of conductive column, oil film thickness is according to filling effect at 4~5 μm.
In some preferred embodiments, the conductive column is located at the pixel center of a lattice or the alignment pixel compartments
Central area.
In some preferred embodiments, the floor space of the conductive column respective pixel lattice side is pixel compartments area
1%~5%, there is preferable device display effect and good help rupture of oil film effect.
In some preferred embodiments, the conductive column is located in each pixel compartments or is aligned each pixel compartments.
Conductive column is located in each pixel compartments or conductive column is located at the position that each pixel compartments is directed on upper electrically-conductive backing plate, can
Realization generates corresponding electric field in each pixel compartments, more conducively reaches required electric field strength at the lower voltage and realizes pixel
Switch.
In some preferred embodiments, the material of the conductive column is the table of conductive photoresist or the conductive column
Face is covered with metal material.The metal material includes pure metal and metal alloy.
In a further preferred embodiment, the conductive column is metallic conduction post or the conductive column includes cylindricality
Structure and overlay on the metal material on the column construction.As realize that the surface of conductive column is covered with metal material, can directly lead to
The modes such as inkjet printing are crossed to prepare metal material to form metallic conduction post；It can also first be made by using non-conductive photoresist
The standby table for forming column construction and the electrode materials such as metal material such as Cu, Ag being vaporized on to by modes such as hot evaporations column construction again
Wheat flour is standby to form conductive column, and column construction herein uses conductive or non electrically conductive material.
The present invention also provides a kind of preparation methods of above-mentioned electric moistening display part, including in the upper electrically-conductive backing plate or
The step of preparing conductive column in the pixel compartments: in such a way that photoetching process, silk-screen printing, inkjet printing are any on described
Conductive column is prepared in electrically-conductive backing plate or the pixel compartments.
In some preferred embodiments, the surface of the conductive column is covered with metal material, specific preparation step are as follows: in institute
It states in electrically-conductive backing plate or the pixel compartments and prepares column construction, metal is covered on the column construction using hot evaporation mode
Material is to form conductive column；Or it prints metal material to form conductive column by the way of inkjet printing.
The beneficial effects of the present invention are:
Electric moistening display part is equivalent to a plane-parallel capacitor, and the present invention introduces conduction in electric moistening display part
Rod structure is to generate corresponding electric field, and its essence is the distances between plates for reducing upper and lower electrically-conductive backing plate, changes original parallel
The distribution situation of uniform electric field between plate can reach required electric field strength at the lower voltage and realize pixel switch, and due to
The surface of conductive column is in oleophobic property, and when not being affixed by making alive, the ink thickness being distributed at conductive column is most thin, herein also will be at
For the starting point of ink rupture, it can realize that the unification of ink rupture location in pixel compartments is controllable, and more easily processing pushes away
Extensively.
Detailed description of the invention
Fig. 1 is that electrowetting shows structure and schematic illustration in the prior art；
Fig. 2 is the interface schematic diagram of electrowetting display device；
Pixel figure in closed state when Fig. 3 is no applied voltage；
Fig. 4 is that the ink that occurs is climbed over the walls phenomenon figure after applying voltage；
Fig. 5 is the structural schematic diagram of the electric moistening display part in embodiment 1；
Fig. 6 is the preparation technology figure of the electric moistening display part in embodiment 1；
Fig. 7 is the structural schematic diagram of the Electrowetting device in embodiment 3；
Fig. 8 be embodiment 3 in Electrowetting device in conductive column and pixel compartments location diagram；
Fig. 9 be embodiment 3 in Electrowetting device in conductive column structure pictorial diagram.
Specific embodiment
It is clearly and completely described below with reference to technical effect of the embodiment to design and generation of the invention, with
It is completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is that a part of the invention is implemented
Example, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art is not before making the creative labor
Other embodiments obtained are put, the scope of protection of the invention is belonged to.
Embodiment 1
The present embodiment provides a kind of electric moistening display part based on conductive column, introduces in existing Electrowetting device and leads
Electric rod structure, referring to Fig. 5, by taking typical Electrowetting device a kind of in the prior art introduces conductive column as an example, electrowetting is shown
Device includes the upper electrically-conductive backing plate 21 being oppositely arranged and lower electrically-conductive backing plate 22, and the upper electrically-conductive backing plate 21 includes 211 He of upper substrate
Top electrode 212, the lower electrically-conductive backing plate 22 include lower substrate 221 and hearth electrode 222, what upper substrate 211 and lower substrate 22 used
Material including but not limited to the non-conducting materials such as glass, top electrode 212 and hearth electrode including but not limited to ITO electrode etc., under lead
Be provided with drain insulating layer 23 on electric substrate 22, drain insulating layer 23 with a thickness of 1 ± 0.2 μm, using material such as AF1600x,
The unformed fluorinated polymer material of the low-surface-energies such as Cytop is provided with pixel wall 24 in drain insulating layer 23, pixel wall 24
Height is 5~6 μm, and using materials such as materials such as photo-crosslinking type photoresist, the pixel wall 24 surrounds pixel compartments, upper electrically-conductive backing plate
21 and lower electrically-conductive backing plate 22 be packaged to form fill area by sealant 25, the height of packaging plastic 25 is 80 μm, uses material
Such as pressure sensitive adhesive material, the fill area is interior to be filled with ink 26 and polar liquid 27, introduces on the upper electrically-conductive backing plate 21
There is conductive column 28.Conductive column is cylindrical structure in the present embodiment, and 16 μm of radius, pixel compartments are square structure, 167 μm of side length,
Conductive column floor space is the 2.8% of pixel compartments area.
By taking the electric moistening display part of the present embodiment as an example, the application can be by changing the distribution of device internal electric field come real
Now reduce driving voltage purpose, based on principle it is as follows: firstly, electric moistening display part is equivalent to a parallel plate capacitor
The definition of device, plane-parallel capacitor capacitor is C=Q/U, and decision formula is C=ε S/4 π kd, and wherein ε is medium dielectric constant
(relative dielectric constant) k is electrostatic force constant, and S is two-plate positive area, d vertical range between two-plate.As shown in figure 5,
Arrow instruction is the partial enlarged view at conductive column in figure, when applying one timing of voltage, if voltage is U between two plate of capacitor,
At this moment the electric field strength generated between two plates is E=U/d, electrostatic force F=qE suffered by ink, due to the introducing of conductive columns structure,
Distance between two-plate is by d1It is decreased to d2, lead to E2> E1, thus obtain F2> F1.Under same drive voltage locating for conductive column
Position electric field force is bigger, and ink is easier to rupture, therefore the reduction of driving voltage may be implemented.Secondly, in no applied voltage
Since the surface of conductive pillar structure is in oleophobic property, the ink of conductive column vertical lower is the balance for reaching interfacial force, can around
Have it is certain sprawl trend, cause the oil film thickness immediately below conductive column to reduce, thus become ink when pixel is opened herein
Initial rupture point, that is, the unification for realizing rupture of oil film position in plain lattice are controllable.
Embodiment 2
Referring to Fig. 6, the present embodiment provides a kind of preparation method of electric moistening display part in embodiment 1, specific preparation step
Rapid as follows: (1) top plate preparation: taking electrically-conductive backing plate, and the upper electrically-conductive backing plate includes upper substrate 211 and top electrode 212, wherein on
Substrate is glass substrate, and top electrode ITO cleans the glass substrate for having ITO layer first, has register guide in glass substrate
Note；Applying conductive photoresist 280 forms equally distributed 28 structure of conductive column using contraposition photoetching, then on a glass substrate
Sealant 25 is set to form sealing glue frame.Conductive photoresist is prepared into layer conductive column using photoetching process in the present embodiment, this is led
Electric rod structure can also use non-conductive photoresist to prepare column construction, then be steamed metal material by modes such as hot evaporations
It is plated to column construction surface, the metal material is including but not limited to electrode materials such as Cu/Ag；(2) prepared by bottom plate: removing conduction
Substrate, the lower electrically-conductive backing plate include lower substrate 221 and hearth electrode 222, and wherein lower substrate is glass substrate, hearth electrode ITO；
Drain insulating layer 23 is prepared on the lower electrically-conductive backing plate using modes such as spin coating or silk-screen printings, then in the hydrophobic insulation
Spin coating pixel wall material 240 on layer 23, the pixel wall material is including but not limited to photoresist, then using being lithographically formed pixel
Wall 24, the pixel wall 24 surround pixel compartments.The preparation of drain insulating layer and pixel wall herein can be used existing technique into
Row preparation.(3) ink filling and encapsulation: the ink 26 of dyeing is filled into the pixel grid on lower electrically-conductive backing plate, then will under
Electrically-conductive backing plate and the contraposition fitting of upper electrically-conductive backing plate, and fill the encapsulation of polar liquid 27 and form electric moistening display part.
Embodiment 3
Referring to Fig. 7, the present embodiment provides a kind of electric moistening display part based on conductive column, including being led on being oppositely arranged
Electric substrate 21 and lower electrically-conductive backing plate 22, the upper electrically-conductive backing plate 21 include upper substrate 211 and top electrode 212, the lower conductive base
Plate 22 includes lower substrate 221 and hearth electrode 222, and the material that upper substrate 211 and lower substrate 22 use is including but not limited to glass etc.
Non-conducting material, top electrode 212 and hearth electrode including but not limited to ITO electrode etc., be provided on lower electrically-conductive backing plate 22 it is hydrophobic absolutely
Edge layer 23, drain insulating layer 23 with a thickness of 1 ± 0.2 μm, using material such as AF1600x, the low-surface-energies such as Cytop it is unformed
Fluorinated polymer material is provided with pixel wall 24 in drain insulating layer 23, and the height of pixel wall 24 is 5~6 μm, such as using material
The materials such as photo-crosslinking type photoresist, the pixel wall 24 surround pixel compartments, will be golden in the way of inkjet printing etc. in pixel compartments
Belong to the conductive metal structures such as material such as Ag/Cu and print the center to lower electrically-conductive backing plate pixel compartments to form conductive column 28, above leads
Electric substrate 21 and lower electrically-conductive backing plate 22 are packaged to form fill area by sealant 25, and the height of packaging plastic 25 is 80 μm, make
With materials such as material such as pressure sensitive adhesives, the fill area is interior to be filled with ink 26 and polar liquid 27.
It is illustrated so that conductive column is located at the center position of pixel compartments as an example in the present embodiment, conductive column 28 and pixel compartments
Positional relationship as shown in figure 8, the structure pictorial diagram of conductive column is as shown in Figure 9.
Effect example 1
Comparative example 1: comparative example 1 provides a kind of existing Electrowetting device, with the electric moistening display part phase in embodiment 1
Together, the difference is that, it is not introduced into conductive column.
Voltage is applied since 0V to the Electrowetting device in embodiment 1 and comparative example 1, increases 2V every time, uses optical color
Degree meter (Arges45, Admesy, Ittervoort, TheNetherlands) measures its reflectivity, when voltage is 0V, reflection
Rate is minimum, this is because Electrowetting device is not powered at this time, ink is paved with entire picture element display area, and light enters display quilt
Ink selective absorbing, display are in "Off" state.Experimental result shows the electricity profit that conductive stud structure is not introduced into comparative example 1
The cut-in voltage of wet device is usually between 20V to 24V, it can be seen that the increase of display reflectivity is very fast, subsequent reflectivity
It is gradually saturated with voltage increase.And the electric moistening display part of conductive stud structure is introduced in embodiment 1 under 10V voltage
Reflectivity starts quickly to increase with the increase of voltage, i.e., its threshold voltage is 10V, than the driving of traditional electric moistening display
Voltage reduces 10V or so, has more smooth switching effect.
Claims (9)
1. a kind of electric moistening display part based on conductive column, including the upper electrically-conductive backing plate and lower electrically-conductive backing plate being oppositely arranged, institute
It states and is provided with pixel wall on lower electrically-conductive backing plate, the pixel wall surrounds pixel compartments, which is characterized in that the upper electrically-conductive backing plate or institute
It states and is provided with conductive column in pixel compartments, the surface of the conductive column is in oleophobic property.
2. the electric moistening display part according to claim 1 based on conductive column, which is characterized in that the conductive column is located at
In the pixel compartments, ink is filled in the pixel compartments, the height of the conductive column is lower than the thickness of the ink.
3. the electric moistening display part according to claim 1 based on conductive column, which is characterized in that the conductive column is located at
The central area of the pixel center of a lattice or the alignment pixel compartments.
4. the electric moistening display part according to claim 1-3 based on conductive column, which is characterized in that described to lead
The floor space of electric column respective pixel lattice side is the 1%~5% of pixel compartments area.
5. the electric moistening display part according to claim 1-3 based on conductive column, which is characterized in that described to lead
Electric column is located in each pixel compartments or is aligned each pixel compartments.
6. the electric moistening display part according to claim 1-3 based on conductive column, which is characterized in that described to lead
The material of electric column is covered with metal material for the surface of conductive photoresist or the conductive column.
7. the electric moistening display part according to claim 6 based on conductive column, which is characterized in that the conductive column is gold
Belong to conductive column or the conductive column includes column construction and overlays on the metal material on the column construction.
8. the preparation method of the electric moistening display part described in claim 1 based on conductive column, which is characterized in that be included in institute
State the step of preparing conductive column in electrically-conductive backing plate or the pixel compartments: any using photoetching process, silk-screen printing, inkjet printing
Mode prepare conductive column in the upper electrically-conductive backing plate or the pixel compartments.
9. the preparation method of the electric moistening display part according to claim 1 based on conductive column, which is characterized in that described
The surface of conductive column is covered with metal material, specific preparation step are as follows: prepares column in the upper electrically-conductive backing plate or the pixel compartments
Shape structure uses hot evaporation mode to cover metal material on the column construction to form conductive column；Or it is beaten using ink-jet
The mode of print prints metal material to form conductive column.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022028054A1 (en) * | 2020-08-03 | 2022-02-10 | 华南师范大学 | Electrowetting display device structure and packaging method therefor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103439790A (en) * | 2013-04-10 | 2013-12-11 | 友达光电股份有限公司 | Electrowetting display device |
| CN105372812A (en) * | 2015-11-24 | 2016-03-02 | 华南师范大学 | Flexible electrofluidic display and preparation method thereof |
| CN210005795U (en) * | 2019-05-08 | 2020-01-31 | 华南师范大学 | electrowetting display device based on conductive column |
-
2019
- 2019-05-08 CN CN201910378414.0A patent/CN110161675A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439790A (en) * | 2013-04-10 | 2013-12-11 | 友达光电股份有限公司 | Electrowetting display device |
| CN105372812A (en) * | 2015-11-24 | 2016-03-02 | 华南师范大学 | Flexible electrofluidic display and preparation method thereof |
| CN210005795U (en) * | 2019-05-08 | 2020-01-31 | 华南师范大学 | electrowetting display device based on conductive column |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022028054A1 (en) * | 2020-08-03 | 2022-02-10 | 华南师范大学 | Electrowetting display device structure and packaging method therefor |
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