CN110085124A - A kind of flexible supporter and a kind of flexible display apparatus - Google Patents
A kind of flexible supporter and a kind of flexible display apparatus Download PDFInfo
- Publication number
- CN110085124A CN110085124A CN201910360618.1A CN201910360618A CN110085124A CN 110085124 A CN110085124 A CN 110085124A CN 201910360618 A CN201910360618 A CN 201910360618A CN 110085124 A CN110085124 A CN 110085124A
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- Prior art keywords
- flexible
- layer
- screen body
- seal cavity
- anode layer
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- 239000012530 fluid Substances 0.000 claims abstract description 20
- 239000008188 pellet Substances 0.000 claims abstract description 5
- -1 poly terephthalic acid Glycol ester Chemical class 0.000 claims description 10
- 239000004695 Polyether sulfone Substances 0.000 claims description 9
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 claims description 9
- 239000004417 polycarbonate Substances 0.000 claims description 9
- 229920006393 polyether sulfone Polymers 0.000 claims description 9
- 239000011112 polyethylene naphthalate Substances 0.000 claims description 9
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 7
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 7
- 239000004642 Polyimide Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 229920000515 polycarbonate Polymers 0.000 claims description 6
- 229920001721 polyimide Polymers 0.000 claims description 6
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 239000012994 photoredox catalyst Substances 0.000 claims description 3
- 229920003208 poly(ethylene sulfide) Polymers 0.000 claims description 3
- KKEYFWRCBNTPAC-UHFFFAOYSA-N benzene-dicarboxylic acid Natural products OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 18
- 239000010410 layer Substances 0.000 description 95
- 230000005684 electric field Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005253 cladding Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001746 electroactive polymer Polymers 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- WLLBRPIRQIWHSI-UHFFFAOYSA-N oxotitanium propane-1,2,3-triol Chemical compound [Ti]=O.OCC(O)CO WLLBRPIRQIWHSI-UHFFFAOYSA-N 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000013047 polymeric layer Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/37—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements
- G09F9/372—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements the positions of the elements being controlled by the application of an electric field
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
A kind of flexible supporter and a kind of flexible display apparatus, one of flexible supporter are used to support flexible screen body comprising: flexible clad structure, the flexibility clad structure includes a seal cavity；Pellet electrode layer, including overlap be set to the intracorporal cathode layer of the seal chamber and anode layer in parallel；And electro rheological fluids, it is filled in the seal cavity in the gap on the electrode layer periphery.Flexible supporter of the invention can realize free switching of the flexible terminal between flexible and non-flexible, and can be fixed on any bending angle, improve the practicability of flexible display apparatus.
Description
Technical field
The present invention relates to field of display technology, and in particular to a kind of flexible supporter and a kind of flexible display apparatus.
Background technique
The shape of flexible display apparatus can change, and easy to carry, it has also become a hot spot of current research.However,
People are to the flexibility requirements of flexible display apparatus: needing its state for flexibility when carrying, can keep when in use certain
Shape invariance.How to realize display device in a flexible and non-flexible critical issue for being switching to research.Only meet
It is flexible with it is non-flexible between free switching be just able to satisfy the currently demand to flexible terminal.
Currently, common settling mode has the following two kinds.
Chinese patent literature CN 103985315 discloses a kind of flexible portable terminal, by increasing mechanical device, benefit
With can bend and be capable of fixing bending angle be folded mechanically portion realize terminal flexibility and fixed shape switching.
Chinese patent literature CN 103985338 discloses a kind of flexible display apparatus, by by electroactive polymer structure
At brake come drive Flexible Displays and display main body variation.Wherein, brake original state is to fold, by activity
Polymeric layer two sides apply voltage, extend layer of electroactive polymer and then flexible display apparatus is made to change.
There are following technological deficiencies for above two settling mode: it is flat that above two folding mode is only able to achieve display terminal
With the conversion between stationary curved angle, the transformation between any bending angle cannot achieve, to limit Flexible Displays end
The practicability at end.
Summary of the invention
For this purpose, the present invention is to realize free switching of the display device between flexible and non-flexible, by display device shape
It is fixed at arbitrary shape, the present invention provides a kind of flexible display apparatus.
Used technical solution is as described below:
A kind of flexible supporter is used to support flexible screen body comprising:
Flexible clad structure, the flexibility clad structure includes a seal cavity；
Pellet electrode layer, including overlap be set to the intracorporal cathode layer of the seal chamber and anode layer in parallel；
And electro rheological fluids, it is filled in the seal cavity in the gap on the electrode layer periphery.
Further, the anode layer and the cathode layer the flexible screen body projection section weight planar
It closes.
Further, there are anode layer and cathode layer described in multilayer, institute along perpendicular to flexible screen body direction parallel arrangement
The side of the seal cavity is fixed in the one end for stating anode layer, and the other end is vacantly set in the seal cavity；It is described
The other side of the seal cavity is fixed in one end of cathode layer, and the other end is vacantly set in the seal cavity.
Further, the anode layer and the cathode layer are sheet metal layers, and surface is micron order roughness.
Further, the surface of the sheet metal layers is provided with low ductile material.
Further, the low ductile material is glass layer or carbon fiber layer.
Further, the electro rheological fluids are that ER fluid or electric current become gel.
Further, the flexible clad structure is by polyethylene terephthalate (Polyethylene
Terephthalate, PET), polyethylene naphthalate (Polyethylene Naphthalate, PEN), polycarbonate
In (Polycarbonate, PC), polyether sulfone (Polyether Sulfone, PES) and polyimides (Polyimide, PI)
One or more are constituted.
Further, each anode layer electrical connection in parallel, the electrical connection in parallel of each cathode layer.
A kind of flexible display apparatus comprising:
Flexible screen body；
And the flexible supporter as described in above-mentioned any one, the flexible screen body are affixed with the flexible supporter
It closes.
Further, the flexible screen body is transparent flexible screen body, and the flexibility clad structure is transparent flexible cladding knot
Structure.
The present invention has the following beneficial effects with respect to the prior art:
The present invention in the flexible clad structure for forming seal cavity by being arranged anode layer and cathode layer, and in seal chamber
Electro rheological fluids are filled in body, between anode layer and cathode layer, anode layer and cathode layer connect to power supply electro rheological fluids respectively,
By applying voltage between the anode layer and the cathode layer, the quiet yield stress of electro rheological fluids after powered up becomes larger, thus to folding
Shape at an angle under flexible clad structure formed limited support, so that the bending shape of flexible supporter is formed.When needing to become
When changing the bending angle of display device, electro rheological fluids are made to restore to the original state after need to only powering off, then again by flexible clad structure bending
At required shape, and anode layer and cathode layer is made to be powered, makes to form fixed shape positioned at the intracorporal electro rheological fluids of seal chamber, into
And achieve the purpose that change flexible supporter bending angle, realize free switching of the flexible terminal between flexible and non-flexible,
And it can be fixed on any bending angle, improve the practicability of flexible display apparatus.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is flexible display apparatus structural schematic diagram provided by the present invention (under formation state)；
Fig. 2 is flexible display apparatus structural schematic diagram provided by the present invention (under bending state).
In figure: 1- flexible supporter, 11- flexibility clad structure；12- anode layer；13- cathode layer；14- electric current becomes
Body；2- flexible screen body.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment
As shown in Figure 1, the present invention provides a kind of flexible display apparatus, including flexible screen body 2 and flexible supporter 1,
In flexible supporter 1 include cathode layer 13, anode layer 12 and the flexible clad structure 11 for being formed with seal cavity, cathode layer
13 and 12 interlayer of anode layer be set in distance in flexible clad structure 11, and with flexible clad structure 11 is relatively fixed connects,
Electro rheological fluids 14 are filled in flexible clad structure 11.Flexible screen body 2 fits with flexible supporter 1, flexible screen in the present invention
Transparent configuration can be used in body 2 and flexible supporter 1, realizes double-side or illumination.
Wherein, under formation state shown in Fig. 1, each anode layer 12 and cathode layer 13 are in be parallel to flexible screen body 2
It is vertical with flexible screen body that the one end of formation state, each layer anode layer 12 and cathode layer 13 is individually fixed in flexible clad structure
On the inner wall of two sides, specifically, the side inner wall of flexible clad structure, the other end of anode layer 12 are fixed in one end of anode layer 12
Hanging setting；Another side wall of flexible clad structure is fixed in one end of cathode layer 13, and the other end of cathode layer 13 is vacantly arranged；
Wherein another side wall of fixed negative pole layer 13 is the side wall being oppositely arranged with the side wall of fixed anode layer 12, anode layer 12 and cathode
13 hanging end of layer are spaced at regular intervals, while the interlayer of anode layer 12 and cathode layer 13 between opposite side wall
It is provided with interval.Simultaneously as shown in Figure 1, the flexible supporter 1 in the present embodiment includes a flexibility being bonded with flexible screen body 2
Clad structure 11, and the flexibility clad structure 11 has a seal cavity, all cathode layers 13 and anode layer 12 are respectively provided with
In in the seal cavity of this flexible clad structure 11, while the back side of flexibility clad structure covering flexible screen body 2 is arranged,
Above structure allows when electric field is not added, which can carry out the bending of any direction and angle.
Wherein since cathode layer and anode layer are sheet metal layers, itself just there is certain rigidity, therefore cathode
Layer and anode layer had not only played the role of conductive electrode but also had played the role of rigid support；In addition, overlapping by setting multilayer
The pellet electrode layer of setting can the deformation to flexible supporter preferably kept.
The overlapping multilayer parallel with cathode layer 13 of anode layer 12 in Fig. 1, flexible cladding knot is fixed in one end of anode layer 12
The seal cavity side of structure 11, the other end are set in seal cavity；Flexible clad structure is fixed in one end of cathode layer 13
The 11 seal cavity other side, the other end are set in seal cavity, that is, are configured to a kind of cantilever design；Each 13 He of cathode layer
Electro rheological fluids 14 between anode layer 12 communicate with each other；The i.e. flexible cladding intracorporal electro rheological fluids 14 of sealing structure chamber surround electrode
The state that layer periphery and presentation interconnect, above structure allow the electro rheological fluids at certain positions in bending process to be squeezed by bending
And it circulates to other positions are mobile.As shown in Fig. 2, when flexible supporter 1 carries out bending, the bending in 1 outside of flexible supporter
Angle is larger, and deflection is big, and the anode layer 12 or cathode layer 13 on the outside of bending are than the anode layer 12 on the inside of its bending
Or the moving displacement of cathode layer 13 is big, and just due to the cantilever pellet electrode layer for being provided with above-mentioned overlapping multilayer, it can just form such as 2
In each anode layer 12 or 13 free end of cathode layer there is the case where dislocation arrangement；Thus to obtain more flexible bending.
For ER fluid of the present invention using glycerine oxygen titanium particle as dispersed phase, silicone oil is insulating base liquid, the two
It mixes, wherein 0.5 μm -5 μm of the particle size range of glycerine oxygen titanium particle, mass fraction 20-70%.
Anode layer 12 therein is all made of sheet metal aluminium foil of the thickness less than 20 microns, surface attachment with cathode layer 13
There is the low ductile material such as glass layer, carbon fiber layer.Flexible supporter 1 is flexible material, can be poly terephthalic acid
Glycol ester (Polyethylene Terephthalate, PET), polyethylene naphthalate (Polyethylene
Naphthalate, PEN), polycarbonate (Polycarbonate, PC), polyether sulfone (Polyether Sulfone, PES), or
One or more of polyimides (Polyimide, PI) is constituted.
The present invention is when flexible clad structure is formed by fixed anode layer 12 and cathode layer 13 in seal cavity, anode layer
12 with cathode layer 13 be formed by gap be 10-300 μm.
The anode layer 12 and cathode layer 13 gone out given in Fig. 1 and Fig. 2 is arranged three layers in seal cavity, each anode layer 12
Electrical connection in parallel, each electrical connection in parallel of cathode layer 13.It is of course also possible to use 4 layers or 5 layers of structure, currently preferred
The electrode number of plies is 3-7 layers, and the most preferred number of plies is 5 layers of structure, is just repeated no more here.
The present invention becomes gel (or ER fluid) and each electrode crossover structure by electric current by increasing in flexible display apparatus
At multilayered structure, to realize the free switching using electric field controls flexible display apparatus between flexible and non-flexible, specifically
Implement as follows:
When electric field is not added, which can carry out any bending.When being folded into required angle, in sun
Plus after voltage between pole layer 12 and cathode layer 13, electric field can be generated between anode and cathode, so that the table of electro rheological fluids 14
It sees viscosity to increase, surface tensile resistance greatly enhances.If at this moment thinking the shape of change flexible supporter 1, it need to just change cathode
Relative position between layer 13 and anode layer 12.Due to the electro-viscous effect of electro rheological fluids 14, so that cathode layer 13 and anode layer 12
Between be difficult to form relative displacement, so current shape can only be maintained to be difficult to change.Flexible display apparatus is thereby realized to exist
Switching between flexible and non-flexible.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of flexible supporter is used to support flexible screen body, characterized by comprising:
Flexible clad structure, the flexibility clad structure includes a seal cavity；
Pellet electrode layer, including overlap be set to the intracorporal cathode layer of the seal chamber and anode layer in parallel；
And electro rheological fluids, it is filled in the seal cavity in the gap on the electrode layer periphery.
2. flexible supporter according to claim 1, which is characterized in that the anode layer is with the cathode layer described soft
Property screen body projection section planar be overlapped.
3. flexible supporter according to claim 1 or 2, which is characterized in that along flat perpendicular to flexible screen body direction
Row is disposed with anode layer and cathode layer described in multilayer, and the side of the seal cavity is fixed in one end of the anode layer, another
One end is vacantly set in the seal cavity；The other side of the seal cavity is fixed in one end of the cathode layer, another
One end is vacantly set in the seal cavity.
4. flexible supporter according to claim 1, which is characterized in that the anode layer and the cathode layer are sheet
Metal layer, surface are micron order roughness.
5. flexible supporter according to claim 4, which is characterized in that the surface of the sheet metal layers is provided with low prolong
Open up material layer；
Preferably, the low ductile material is glass layer or carbon fiber layer.
6. flexible supporter according to claim 1, which is characterized in that the electro rheological fluids are ER fluid or electric current
Become gel.
7. flexible supporter according to claim 1, which is characterized in that the flexibility clad structure is by poly terephthalic acid
Glycol ester (PolyethyleneTerephthalate, PET), polyethylene naphthalate
(PolyethyleneNaphthalate, PEN), polycarbonate (Polycarbonate, PC), polyether sulfone
One or more of (PolyetherSulfone, PES) and polyimides (Polyimide, PI) are constituted.
8. flexible supporter according to claim 1, which is characterized in that the electrical connection in parallel of each anode layer, each institute
State cathode layer electrical connection in parallel.
9. a kind of flexible display apparatus, characterized by comprising:
Flexible screen body；
And the flexible supporter as described in claim 1-8 any one, the flexible screen body and the flexible supporter phase
Fitting.
10. flexible display apparatus according to claim 9, it is characterised in that: the flexible screen body is transparent flexible screen body,
The flexibility clad structure is transparent flexible clad structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910360618.1A CN110085124A (en) | 2015-02-28 | 2015-02-28 | A kind of flexible supporter and a kind of flexible display apparatus |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910360618.1A CN110085124A (en) | 2015-02-28 | 2015-02-28 | A kind of flexible supporter and a kind of flexible display apparatus |
| CN201510091603.1A CN104658430A (en) | 2015-02-28 | 2015-02-28 | Flexible display device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510091603.1A Division CN104658430A (en) | 2015-02-28 | 2015-02-28 | Flexible display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110085124A true CN110085124A (en) | 2019-08-02 |
Family
ID=53249488
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910360618.1A Pending CN110085124A (en) | 2015-02-28 | 2015-02-28 | A kind of flexible supporter and a kind of flexible display apparatus |
| CN201510091603.1A Pending CN104658430A (en) | 2015-02-28 | 2015-02-28 | Flexible display device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510091603.1A Pending CN104658430A (en) | 2015-02-28 | 2015-02-28 | Flexible display device |
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| CN (2) | CN110085124A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111145650A (en) * | 2020-01-21 | 2020-05-12 | 合肥维信诺科技有限公司 | Display device |
| CN112116875A (en) * | 2020-10-13 | 2020-12-22 | 武汉华星光电半导体显示技术有限公司 | Foldable display module |
| CN112331080A (en) * | 2020-11-10 | 2021-02-05 | 四川长虹电器股份有限公司 | Flexible screen capable of being curled |
| CN116001936A (en) * | 2022-12-16 | 2023-04-25 | 广东省智能机器人研究院 | Giant electrorheological fluid-based software driver and crawling robot |
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|---|---|---|---|---|
| WO2019024045A1 (en) * | 2017-08-03 | 2019-02-07 | 深圳市柔宇科技有限公司 | Method for controlling folding mechanism, and folding mechanism and terminal |
| CN109584719A (en) | 2017-09-28 | 2019-04-05 | 京东方科技集团股份有限公司 | Flexible Displays mould group and preparation method and bending method, electronic equipment |
| CN110570519A (en) * | 2019-09-05 | 2019-12-13 | 西南交通大学 | An intelligent command system for railway disaster emergency repair and its application method |
| CN110706597B (en) * | 2019-10-22 | 2024-02-06 | 武汉华星光电半导体显示技术有限公司 | A display panel and display device |
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| CN111145650A (en) * | 2020-01-21 | 2020-05-12 | 合肥维信诺科技有限公司 | Display device |
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| CN116001936A (en) * | 2022-12-16 | 2023-04-25 | 广东省智能机器人研究院 | Giant electrorheological fluid-based software driver and crawling robot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104658430A (en) | 2015-05-27 |
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Application publication date: 20190802 |