CN208334856U - A kind of electronic ink screen - Google Patents
A kind of electronic ink screen Download PDFInfo
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- CN208334856U CN208334856U CN201820891652.2U CN201820891652U CN208334856U CN 208334856 U CN208334856 U CN 208334856U CN 201820891652 U CN201820891652 U CN 201820891652U CN 208334856 U CN208334856 U CN 208334856U
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Abstract
The utility model discloses a kind of electronic ink screens, including substrate and transparent thin panel, multiple E-ink capsules are evenly equipped between the substrate and transparent thin panel, gap location between adjacent electronics Ink capsule is filled with clear binder, the positive charge and negative electrical charge of dyeing are distributed in each E-ink capsule, and the substrate is equipped with the transparent electrode layer for being close to each E-ink capsule；The transparent electrode layer connects one group of tandem DC power supply by conducting wire, and junction is located at the zero potential among tandem DC power supply, the positive and negative anodes of the tandem DC power supply pass through the external stacked switch of conducting wire respectively, and the stacked switch is connected with traveling electrode.The utility model can greatly reduce production complexity and cost, and screen size is unrestricted, support while writing and wiping, applied widely.
Description
Technical field
The utility model relates to electronic information technical fields, and in particular to a kind of electronic ink screen.
Background technique
The electrode of conventional electronic ink screen is respectively disposed on above and below E-ink capsule, and there are two types of electricity for band in capsule
Lotus, wherein positive and negative charge is dyed to different colors respectively, and there are two electrodes for each capsule lower section, is applied by lower electrode
Positive or negative pole voltage carrys out the charge travelling of the different colours in guide capsule, to show different colours；But this scheme is deposited
In following defect:
1, there are two electrodes below each capsule, and entire electronic ink screen bottom has many electrodes, will cause cost
It is very high；
2, the electrode layer below capsule is since there are two electrodes for each capsule, so electrode is numerous, and with screen
Size increases number of electrodes and also increases sharply, and sharply becomes complicated so as to cause driving IC, therefore conventional electronic ink screen is limited
It is all smaller in factors, screen sizes such as driving IC；
3, it cannot support that handwriting mode writes and erasing out handwriting simultaneously.
Utility model content
Based on this, in view of the above-mentioned problems, being not driven it is necessary to propose that a kind of can greatly reduce makes complexity and cost
IC limitation supports while writing and wiping have the electronic ink screen of generally applicable range so that screen size is unrestricted.
The utility model provides a kind of electronic ink screen, and its technical solution is as follows:
A kind of electronic ink screen, including substrate and transparent thin panel, are evenly equipped with more between the substrate and transparent thin panel
A E-ink capsule, the gap location between adjacent electronics Ink capsule are filled with clear binder, each electronic ink
The positive charge and negative electrical charge of dyeing are distributed in capsule with diuresis promoting function, and the substrate is equipped with and is close to the saturating of each E-ink capsule
Prescribed electrode layer；The transparent electrode layer connects one group of tandem DC power supply by conducting wire, and junction is located at tandem direct current
At zero potential among power supply, the positive and negative anodes of the tandem DC power supply pass through the external stacked switch of conducting wire respectively, and described group
Combination switch is connected with traveling electrode.
In the technical scheme, using one group of concatenated DC power supply, (what including but not limited to AC rectification was got is straight
Galvanic electricity, lithium battery, battery, dry cell and capacitor etc.), which connects one at the intermediate zero potential of series position
Conducting wire is connected on the transparent electrode layer below E-ink capsule, and transparent electrode layer is made to keep zero potential, which is
Whole piece is laid on substrate, and is contacted with each E-ink capsule, so that only one below E-ink capsule
Electrode, relative to below each E-ink capsule of conventional electronic ink screen, there are two electrodes, greatly reduce cost, and
Screen size can be changed according to demand；Then the positive and negative grade of tandem DC power supply is drawn a conducting wire again respectively and is connected to one
On a stacked switch, the stacked switch other side connects a traveling electrode, is only stamped one layer of pole in the top of E-ink capsule
Thin transparent thin panel does not have electrode between the transparent thin panel and E-ink capsule to reduce plate thickness, in protection electricity
While sub- Ink capsule, the distance between traveling electrode and E-ink capsule are reduced, charge attraction power is improved；Therefore,
Clear binder is injected between E-ink capsule, which can also cling transparent thin panel, guarantee thin transparent
The thickness of panel is thin, and while charge has enough attractions, the intensity of transparent thin panel can be improved, be allowed to non-breakable；Then
It can be write in transparent thin panel with traveling electrode by the connection of stacked switch and tandem DC power supply positive and negative anodes,
And according to the connection type of stacked switch, there are following several situations:
1) when being switched to positive pole, traveling electrode is positively charged, can attract electric ink when being moved in transparent thin panel
The negative electrical charge dyed in capsule, transparent thin panel and traveling electrode show the color of negative electrical charge by E-ink capsule nearby；
2) when being switched to power cathode, traveling electrode is negatively charged, can attract electric ink when being moved in transparent thin panel
The positive charge dyed in capsule, transparent thin panel and traveling electrode show the color of positive charge by E-ink capsule nearby；
3) when disconnecting power supply, traveling electrode is not charged, does not attract the charge in E-ink capsule；
Traditional electronic ink screen usually first adsorbs negative electrical charge in E-ink capsule bottom using positive electrode and repels
Positive charge makes that the positive charge color repelled is presented at the top of E-ink capsule；When needing to change color, existed again with negative electrode
E-ink capsule bottom absorption positive charge simultaneously repels negative electrical charge, changes the color that E-ink capsule is presented；It passes through to set
Small electrode in E-ink capsule bottom is powered on to change the color that E-ink capsule is shown, time-consuming and laborious, and can not be same
Shi Jinhang writes and erasing out handwriting；
The program compared with traditional technology, can write when see oneself write content, and can be achieved at the same time writing and
Erasing out handwriting；Moreover, the transparent electrode layer being arranged below each E-ink capsule is an entirety, i.e., each electronic ink glue
Only one electrode below capsule, reduces costs；Be not driven IC (in liquid crystal display, IC is for driving light emitting diode for driving,
And integrated electronic chip, as diode provide the effect of compensation electric current；And in the present solution, driving IC is used for driving electrodes
Electrification) limitation, screen can make according to demand, and it is not size-limited, increase screen size, E-ink capsule can't be made
The number of electrodes of lower section rapidly increases.
Preferably, the traveling electrode is electrode contact or electrode contact blade.The contact surface of electrode contact and transparent thin panel
Product is small, can write or wipe thinner person's handwriting, realizes fining modification；And the contact area of electrode contact blade and transparent thin panel is more
Greatly, it can be achieved that large-area colouring or erasing；It can complete to write or wipe work by the cooperation of electrode contact and electrode contact blade,
Its is applied widely, improves operating efficiency.
Preferably, when traveling electrode is electrode contact, electrode contact described in one group may be combined to form electronic pen, each
Electrode contact is wrapped up with the thin slice of flexible insulation, and is equipped with spring on each electrode contact；The stacked switch is set to should
On the lateral wall of electronic pen, and the stacked switch is connect with each electrode contact inside electronic pen respectively by conducting wire.
In the technical scheme, when traveling electrode is electrode contact, multiple electrodes contact is bound into one group of electrode touching
Head, then combination forms electronic pen, and electrode contact is located at the pen tip position of electronic pen by length level, for writing and erasing makes
With, meanwhile, the settable multiple electronic pens of composition, each electronic pen is connect with tandem DC power supply, to support more people same
When it is erasable；When one group of electrode contact combines to form electronic pen, each electrode contact need to be with very thin flexible insulating material packet
It wraps up in, charges each electrode contact independently of each other, and play a protective role when electrode contact is contacted with transparent thin panel；And
And when in use, stroke weight can be adjusted according to demand, and when strength of writing is smaller, the electrode contact of only tip part of pen is connect
Transparent thin panel is touched, at this moment stroke is thinner；When strength of writing is larger, the spring pressure above tip part of pen electrode contact is connected
Contracting, electrode contact at pen tip enable more electrode contacts to touch transparent thin panel to shrinking back in electronic pen, at this moment stroke compared with
Slightly, the adjustment of stroke weight is realized in this way；It can be wiped simultaneously by changing the attribute that electrode contact is charged
Thinner or thicker person's handwriting realizes fining modification.
Preferably, when traveling electrode is electrode contact blade, the electrode contact blade may be combined to form electronics brush, and the electricity
Pole contact is set on the lateral wall of the electronics brush with flexible insulation thin slice package, the stacked switch, and the stacked switch is logical
Conducting wire is crossed to connect inside electronics brush with electrode contact blade.
When traveling electrode is electrode contact blade, electrode contact blade can form electronics brush, electronics brush and electronic pen structure
It is similar, require and thin flexible insulating material package electrode contact blade, make electrode contact blade when being contacted with transparent thin panel from
To the effect of protection, purpose and the purposes difference only used, electronics brush is able to achieve writing or wipes thicker person's handwriting, so
In the technical scheme, tandem DC power supply can be separately connected multiple electronic pens or multiple electronics brushes according to demand,
Or the multiple electronic pens of Hybrid connections and electronics brush, it is erasable simultaneously to realize more people, and make more convenient operation, rationally.
Preferably, the transparent electrode layer is ito film layer, and it is with a thickness of 0.3mm-0.55mm.In the technical scheme,
Select ITO or other conductive layers as transparent electrode layer, which is an entirety, is paved on entire substrate, i.e.,
Only one electrode below E-ink capsule, and it is in zero potential state；The main component of ito film layer is tin indium oxide,
In the case that thickness only has thousands of angstroms, indium oxide transmitance is high, and fin oxide condutire ability is strong.
The beneficial effects of the utility model are:
1, be no longer equipped with below each E-ink capsule electrode pixel layer (below i.e. each E-ink capsule there is no
Two electrodes), but the transparent electrode layer of an entirety is formed, it is paved with entire substrate, i.e., only one below E-ink capsule
A electrode greatly reduces production complexity and cost, and is not driven IC limitation, and screen can make according to demand, not by
Size limitation, application range is wider, for example may replace the blackboard of teaching, display card etc., there is very big practical value.
2, the band electrical properties that traveling electrode can be changed at any time when writing, to realize while write in transparent thin panel
With the function of erasing.
3, one layer of very thin transparent thin panel is stamped only to protect E-ink capsule in the top of E-ink capsule, reduces
The distance between traveling electrode and E-ink capsule improve charge attraction power；Therefore, it is injected between E-ink capsule saturating
Bright adhesive clings E-ink capsule and transparent thin panel, and thin in the thickness for guaranteeing transparent thin panel, charge has enough attraction
While power, the intensity of transparent thin panel can be improved, be allowed to non-breakable.
4, traveling electrode can be designed to electronic pen or electronics brush, for writing and wiping use, multiple electronic pens or
Electronics brush is connected respectively to power supply, can support that more people are erasable simultaneously.
5, when multiple traveling electrodes combine to form electronic pen or electronics brush, it can be achieved that the adjustment of stroke weight, when writing
When word strength is smaller, only the traveling electrode of tip part of pen contacts transparent thin panel, and at this moment stroke is thinner；When strength of writing is larger
When, the spring-compressed above tip part of pen traveling electrode is connected, the traveling electrode at pen tip makes more mobile electricity to shrinking back in pen
Pole can touch transparent thin panel, and at this moment stroke is thicker, realize the adjustment of stroke weight in this way；It can pass through simultaneously
The polarity for changing traveling electrode electrification to realize fining modification except thinner or thicker person's handwriting by electronic pen eraser.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of electronic ink screen described in the utility model embodiment；
Fig. 2 is the structural schematic diagram of electronic pen described in the utility model embodiment；
Fig. 3 is the structural schematic diagram of electronics brush described in the utility model embodiment.
Description of symbols:
10- substrate；20- transparent thin panel；30- transparent electrode layer；40- E-ink capsule；50- tandem direct current
Source；60- stacked switch；70- traveling electrode；701- electronic pen；702- electrode contact；703- spring；704- electronics brush；705-
Electrode contact blade；80- clear binder.
Specific embodiment
The embodiments of the present invention are described in detail with reference to the accompanying drawing.
Embodiment
As shown in Figure 1, a kind of electronic ink screen, including substrate 10 and transparent thin panel 20, the substrate 10 and thin transparent
Multiple E-ink capsules 40 are evenly equipped between panel 20, the gap location between adjacent electronics Ink capsule 40 is filled with transparent viscous
Mixture 80 is each distributed with the positive charge and negative electrical charge of dyeing in the E-ink capsule 40, and on the substrate 10
Equipped with the transparent electrode layer 30 for being close to each E-ink capsule 40；The transparent electrode layer 30 connects one group of series connection by conducting wire
Formula DC power supply 50, and junction is located at the zero potential among tandem DC power supply 50, the tandem DC power supply 50
Positive and negative anodes pass through the external stacked switch 60 of conducting wire respectively, the stacked switch 60 is connected with traveling electrode 70.
In the present embodiment, using one group of concatenated DC power supply (including but not limited to direct current for getting of AC rectification
Electricity, lithium battery, battery, dry cell and capacitor etc.), which connects one at the intermediate zero potential of series position and leads
Line is connected on the transparent electrode layer 30 of 40 lower section of E-ink capsule, and transparent electrode layer 30 is made to keep zero potential, the transparent electrode
Layer 30 is laid on the substrate 10 for whole piece, and is contacted with each E-ink capsule 40, so that E-ink capsule 40
Lower section only has an electrode, and 40 lower section of each E-ink capsule relative to conventional electronic ink screen is equal, and there are two electrodes, greatly
It reduces costs greatly, and screen size can be changed according to demand；Then the positive and negative grade of tandem DC power supply 50 is drawn respectively again
A conducting wire is connected on a stacked switch 60 out, and 60 other side of stacked switch connects a traveling electrode 70, in electronic ink
One layer of very thin transparent thin panel 20 is only stamped in the top of capsule with diuresis promoting function 40, to reduce plate thickness, in protection E-ink capsule
While 40, the distance between traveling electrode 70 and E-ink capsule 40 are reduced, charge attraction power is improved；Therefore, in electricity
Clear binder 80 is injected between sub- Ink capsule 40, which can also cling transparent thin panel 20, guarantee thoroughly
The thickness of bright thin panel 20 is thin, and while charge has enough attractions, the intensity of transparent thin panel 20 can be improved, and is allowed to not fragile
It is broken；It then can be with traveling electrode 70 in thin transparent by the connection of stacked switch 60 and 50 positive and negative anodes of tandem DC power supply
It is write on panel 20, and there are following several situations according to the connection type of stacked switch 60:
1) when being switched to positive pole, traveling electrode 70 is positively charged, can attract electronics when being moved in transparent thin panel 20
The negative electrical charge dyed in Ink capsule 40, transparent thin panel 20 and traveling electrode 70 are negative by the display of E-ink capsule 40 nearby
The color of charge；
2) when being switched to power cathode, traveling electrode 70 is negatively charged, can attract electronics when being moved in transparent thin panel 20
The positive charge dyed in Ink capsule 40, transparent thin panel 20 and traveling electrode 70 are shown just by E-ink capsule 40 nearby
The color of charge；
3) when disconnecting power supply, traveling electrode 70 is not charged, does not attract the charge in E-ink capsule 40；
The program compared with traditional technology, can write when see oneself write content, and can be achieved at the same time writing and
Erasing out handwriting；Moreover, the transparent electrode layer 30 being arranged below each E-ink capsule 40 is an entirety, i.e., each electronic ink
40 only one electrode of lower section of capsule with diuresis promoting function, reduces costs；Being not driven IC, (in liquid crystal display, driving IC is luminous for driving
Diode, and integrated electronic chip, as diode provide the effect of compensation electric current；And in the present solution, driving IC is used for
Driving electrodes electrification) limitation, screen can make according to demand, and it is not size-limited, increase screen size, electronics can't be made
The number of electrodes of 40 lower section of Ink capsule rapidly increases.
The traveling electrode 70 is electrode contact 702 or electrode contact blade 705 in one of the embodiments,.Electrode contact
702 is small with the contact area of transparent thin panel 20, can write or wipe thinner person's handwriting, realizes fining modification；And electrode touches
The contact area of piece 705 and transparent thin panel 20 is bigger, it can be achieved that large-area colouring or erasing；Electrode contact 702 can be passed through
Cooperation with electrode contact blade 705 is completed to write or wipe work, applied widely, improves operating efficiency.
In another embodiment, when traveling electrode 70 is electrode contact 702, electrode contact 702 described in one group can
Combination forms electronic pen 701, and each electrode contact 702 is wrapped up with the thin slice of flexible insulation, and on each electrode contact 702
Equipped with spring 703；The stacked switch 60 is set on the lateral wall of the electronic pen 701, and the stacked switch 60 is existed by conducting wire
It is connect respectively with each electrode contact 702 inside electronic pen 701.
In the present embodiment, when traveling electrode 70 is electrode contact 702, multiple electrodes contact 702 is bound into one group
Electrode contact 702, then combination forms electronic pen 701, and electrode contact 702 is located at the pen tip position of electronic pen 701 by length level
It sets, for writing and wiping use, meanwhile, settable to form multiple electronic pens 701, each electronic pen 701 is straight with tandem
Galvanic electricity source 50 connects, to support that more people are erasable simultaneously；When one group of combination of electrode contact 702 forms electronic pen 701, Mei Ge electricity
Pole contact 702 need to all be wrapped up with very thin flexible insulating material, make each electrification independently of each other of electrode contact 702, and in electrode
Contact 702 plays a protective role when contacting with transparent thin panel 20；Moreover, when in use, stroke weight can be adjusted according to demand,
When strength of writing is smaller, only the electrode contact 702 of tip part of pen contacts transparent thin panel 20, and at this moment stroke is thinner；When writing
When word strength is larger, the spring 703 of connection tip part of pen electrode contact 702 top compresses, the electrode contact 702 at pen tip to
It shrinks back in electronic pen 701, more electrode contacts 702 is enable to touch transparent thin panel 20, at this moment stroke is thicker, passes through this side
The adjustment of formula realization stroke weight；It can be wiped simultaneously by changing the attribute that electrode contact 702 is charged relatively thin or relatively thick
Person's handwriting, realize fining modification.
In another embodiment, when traveling electrode 70 is electrode contact blade 705, the electrode contact blade 705 can combine shape
At electronics brush 704, and the electrode contact blade 705, with flexible insulation thin slice package, the stacked switch 60 is set to the electronic pen
On the lateral wall of brush 704, the stacked switch 60 is connect in 704 inside of electronics brush with electrode contact blade 705 by conducting wire.
When traveling electrode 70 is electrode contact blade 705, electrode contact blade 705 can form electronics brush 704, electronics brush
704 is similar with 701 structure of electronic pen, requires and thin flexible insulating material wraps up electrode contact blade 705, make electrode contact blade
705 play the role of protection when contacting with transparent thin panel 20, the purpose only used and purposes difference, electronics brush 704
It is able to achieve writing or wipes thicker person's handwriting, so in the present embodiment, can according to demand divide tandem DC power supply 50
Multiple electronic pens 701 or multiple electronics brushes 704 or the multiple electronic pens 701 of Hybrid connections and electronics brush 704 are not connected,
Realize more people simultaneously it is erasable, and make more convenient operation, rationally.
In another embodiment, the transparent electrode layer 30 is ito film layer, and it is with a thickness of 0.3mm.
In another embodiment, the transparent electrode layer 30 is ito film layer, and it is with a thickness of 0.55mm.
In another embodiment, the transparent electrode layer 30 is ito film layer, and it is with a thickness of 0.4mm.
In the present embodiment, select ITO or other conductive layers as transparent electrode layer 30, which is one
It is whole, it is paved on entire substrate 10, i.e. 40 only one electrode of lower section of E-ink capsule, and be in zero potential state；ITO
The main component of film layer is tin indium oxide, and in the case where thickness only has thousands of angstroms, indium oxide transmitance is high, fin oxide condutire energy
Power is strong.
In progress electronic ink screen in use, there are operations below:
First stacked switch 60 and tandem DC power supply 50 are connected, anode can be connected, can also connect cathode, positive charge or
The electric current of negative electrical charge is transferred at traveling electrode 70；It controls traveling electrode 70 again to contact with transparent thin panel 20, according to mobile electricity
The belt electrode absorption of pole 70 or the dyeing repelled in the E-ink capsule 40 being located at 20 relative position of transparent thin panel are electric
Lotus, specific as follows:
If traveling electrode 70 is positively charged, the negative electrical charge in E-ink capsule 40, and corresponding transparent sake are adsorbed
The color of the negative electrical charge is shown on plate 20；
If traveling electrode 70 is negatively charged, the positive charge in E-ink capsule 40, and corresponding transparent sake are adsorbed
The color of the positive charge is shown on plate 20；
If traveling electrode 70 is not charged, the charge in E-ink capsule 40 is not adsorbed.
In above process, the charge uniform dyeing in E-ink capsule 40, if the negative electrical charge in E-ink capsule 40
For black, then when traveling electrode 70 is positively charged, corresponding position shows blackness handwriting in transparent thin panel 20；If electronic ink glue
Positive charge in capsule 40 is white, then when traveling electrode 70 is negatively charged, corresponding position is displayed in white word in transparent thin panel 20
Mark, the i.e. erasing of realization writing do not need again so that writing and erasing can be realized simultaneously in writing process as conventional electronic ink
Screen is the same, first adsorbs negative electrical charge in 40 bottom of E-ink capsule using positive electrode and repels positive charge, makes E-ink capsule
The positive charge color repelled is presented in 40 tops；When needing to change color, again with negative electrode in 40 bottom of E-ink capsule
Absorption positive charge simultaneously repels negative electrical charge, changes the color that E-ink capsule 40 is presented；It passes through as set on E-ink capsule
The small electrode of 40 bottoms is powered on to change the color of the display of E-ink capsule 40, time-consuming and laborious, and can not be write simultaneously
And erasing out handwriting.
If traveling electrode 70 is electrode contact 702, after being designed to electronic pen 701, in writing or erasing out handwriting
In the process, stroke weight can be adjusted according to demand:
When stress is small, the tip part of pen electrode contact 702 of electronic pen 701 contacts transparent thin panel 20, at this moment stroke compared with
Carefully；
When stress is big, spring 703 on electrode contact 702 compresses, and tip part of pen electrode contact 702 is to electronic pen 701
Contract makes more electrode contacts 702 contact transparent thin panel 20, and at this moment stroke is thicker；
The adjustment of stroke weight is realized in the above manner；It can be wiped simultaneously by changing the electrical property of traveling electrode 70
Thinner or thicker person's handwriting realizes fining modification.
Specific embodiment of the present utility model above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.
Claims (5)
1. a kind of electronic ink screen, which is characterized in that including substrate and transparent thin panel, between the substrate and transparent thin panel
Multiple E-ink capsules are evenly equipped with, the gap location between adjacent electronics Ink capsule is filled with clear binder, each described
E-ink capsule in be distributed with the positive charge and negative electrical charge of dyeing, and the substrate is equipped with and is close to each electric ink
The transparent electrode layer of capsule；The transparent electrode layer connects one group of tandem DC power supply by conducting wire, and junction is located at string
At zero potential among connection formula DC power supply, the positive and negative anodes of the tandem DC power supply pass through external group of conducting wire respectively and run jointly
It closes, the stacked switch is connected with traveling electrode.
2. electronic ink screen according to claim 1, which is characterized in that the traveling electrode is that electrode contact or electrode touch
Piece.
3. electronic ink screen according to claim 2, which is characterized in that when traveling electrode is electrode contact, one group of institute
The electrode contact stated may be combined to form electronic pen, and each electrode contact is wrapped up with the thin slice of flexible insulation, and each electrode touches
Spring is equipped on head；The stacked switch is set on the lateral wall of the electronic pen, and the stacked switch passes through conducting wire in electronics
Pen is internal to be connect with each electrode contact respectively.
4. electronic ink screen according to claim 2, which is characterized in that when traveling electrode is electrode contact blade, the electricity
Pole contact may be combined to form electronics brush, and the electrode contact blade, with flexible insulation thin slice package, the stacked switch is set to should
On the lateral wall of electronics brush, the stacked switch is connect inside electronics brush with electrode contact blade by conducting wire.
5. electronic ink screen according to claim 1, which is characterized in that the transparent electrode layer is ito film layer, and it is thick
Degree is 0.3mm-0.55mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820891652.2U CN208334856U (en) | 2018-06-11 | 2018-06-11 | A kind of electronic ink screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820891652.2U CN208334856U (en) | 2018-06-11 | 2018-06-11 | A kind of electronic ink screen |
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| CN208334856U true CN208334856U (en) | 2019-01-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535930A (en) * | 2018-06-11 | 2018-09-14 | 赵力衡 | A kind of electronic ink screen and its use control method |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535930A (en) * | 2018-06-11 | 2018-09-14 | 赵力衡 | A kind of electronic ink screen and its use control method |
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