CN109671517A - Conductive film, touch screen and mobile terminal - Google Patents
Conductive film, touch screen and mobile terminal Download PDFInfo
- Publication number
- CN109671517A CN109671517A CN201710951047.XA CN201710951047A CN109671517A CN 109671517 A CN109671517 A CN 109671517A CN 201710951047 A CN201710951047 A CN 201710951047A CN 109671517 A CN109671517 A CN 109671517A
- Authority
- CN
- China
- Prior art keywords
- illusory
- conductive film
- metal grill
- silk thread
- metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002184 metal Substances 0.000 claims abstract description 114
- 229910052751 metal Inorganic materials 0.000 claims abstract description 114
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 230000000007 visual effect Effects 0.000 abstract description 17
- 238000001514 detection method Methods 0.000 abstract description 6
- 239000003990 capacitor Substances 0.000 description 13
- 229910003460 diamond Inorganic materials 0.000 description 8
- 239000010432 diamond Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The present invention provides a kind of conductive film, touch screen and mobile terminals, wherein conductive film includes: substrate；Conductive layer is arranged in substrate, and conductive layer includes the metal grill of multiple polygons, at least one illusory silk thread is provided in metal grill, and metal grill is electrically insulated from one another with illusory silk thread；Wherein, at least one side of illusory silk thread and metal grill is parallel to each other and spacing between the two is default distance values.Conductive film provided by the invention, by adding illusory silk thread in metal grill, and adjust the spacing in metal grill between metal grid lines and illusory silk thread, so that under conditions of the side length of metal grill increases, visual effect will not be deteriorated, CM value also can reduce to range of needs simultaneously, realize that touch screen supports the technical foundation of capacitance pen tilt detection.
Description
Technical field
The present invention relates to touch screen technical fields, in particular to a kind of conductive film, touch screen and mobile terminal.
Background technique
Simple click slide may be implemented in existing major part mobile phone, Pad, PC and capacitance pen cooperation, and capacitance pen is
Play the role of a replacing finger.With the release of WIN10RS2 system, system will support capacitance pen tilt detection, such as I
The effect of pencil sketch can be realized on pad, so mobile phone, Pad, PC support capacitance pen inclination will main trend, pen
The CM of sloping demand capacitance plate is sufficiently small, and resolution ratio could be sufficiently high, and existing scheme reduces CM value (node capacitor) and can only increase
Grid thickeies thickness to realize, such visual effect conflicts with lightening phase is designed.
Summary of the invention
At least one in order to solve the above-mentioned technical problem, the embodiment of the first aspect of the present invention proposes a kind of conduction
Film.
A kind of the second aspect of the present invention embodiment, it is also proposed that touch screen.
A kind of the third aspect of the present invention embodiment, it is also proposed that mobile terminal.
In view of this, according to the embodiment of the first aspect of the invention, the invention proposes a kind of conductive films, comprising: base
Bottom；Conductive layer is arranged in substrate, and conductive layer includes the metal grill of multiple polygons, and at least one is provided in metal grill
A illusory silk thread, metal grill are electrically insulated from one another with illusory silk thread；Wherein, at least one side of illusory silk thread and metal grill is mutual
Spacing parallel and between the two is default distance values.
Conductive film provided by the invention by adding illusory silk thread in metal grill, and is adjusted golden in metal grill
Belong to the spacing between grid lines and illusory silk thread, so that visual effect will not under conditions of the side length of metal grill increases
It is deteriorated, while CM value (node capacitor) also can reduce to range of needs, realizes that touch screen supports the skill of capacitance pen tilt detection
Art basis.
In addition, the conductive film in above-described embodiment provided by the invention can also have following additional technical feature:
In the above-mentioned technical solutions, it is preferable that metal grill is diamond-type metal grid, is provided with two in diamond-type metal grid
A illusory silk thread；The both ends of one of them illusory silk thread are respectively directed to the midpoint on the opposite both sides of diamond-type metal grid, another
The both ends of illusory silk thread are respectively directed to the midpoint on the other both sides of diamond-type metal grid.
In the technical scheme, metal grill is diamond shape, passes through two illusory silks being arranged in the metal grill of diamond shape
Line is equivalent to and is cut to metal grill, biggish metal grill has been cut into four lesser networks, simultaneously
The translucency of conductive film can be both guaranteed, while being also prevented from view by the distance between the opposite side of the lesser network of adjusting
Feel that effect is deteriorated.
In any of the above-described technical solution, it is preferable that the range of the side length of diamond-type metal grid is 200 μm to 500 μm.
It in the technical scheme, can be by the side of diamond-type metal grid to make CM value (node capacitor) be reduced to range of needs
Length is set as 200 μm to 500 μm.
In any of the above-described technical solution, it is preferable that two adjacent diamond-type metal grids have a public side.
In the technical scheme, two adjacent diamond-type metal grids have a public side, are equivalent to adjacent gold
Belong to and being connected directly between grid, a close reticular structure is collectively formed in all metal grills.
In any of the above-described technical solution, it is preferable that metal grill is square metal grill, in square-shaped metal grid
There are two illusory silk threads for setting；The both ends of one of them illusory silk thread are respectively directed in the opposite both sides of square-shaped metal grid
Point, the both ends of another illusory silk thread are respectively directed to the midpoint on the other both sides of square-shaped metal grid.
In the technical scheme, metal grill is square, and passes through two void being arranged in the metal grill of square
If silk thread is equivalent to and is cut to metal grill, biggish metal grill four lesser square nets have been cut into
Lattice, while the translucency of conductive film can both have been guaranteed, simultaneously by the distance between the opposite side of the lesser square net of adjusting
It is also prevented from visual effect variation.
In any of the above-described technical solution, it is preferable that the range of the side length of square-shaped metal grid is 200 μm to 500 μm.
It in the technical scheme, can be by square-shaped metal grid to make CM value (node capacitor) be reduced to range of needs
Side length is set as 200 μm to 500 μm.
In any of the above-described technical solution, it is preferable that two adjacent square-shaped metal grids have a public side.
In the technical scheme, two adjacent square-shaped metal grids have a public side, are equivalent to adjacent
It is connected directly between metal grill, a close reticular structure is collectively formed in all metal grills.
In any of the above-described technical solution, it is preferable that the range of default distance values is 180 μm to 220 μm.
In the technical scheme, 180 μm to 220 μm are set by default distance values, when illusory silk thread and metal grill
When spacing between grid lines is in the range, human eye can ignore network therein automatically, and this makes it possible to guarantee to lead
The visual effect of electrolemma and screen is avoided because of human eye it can be seen that network due to influences visual effect.
In any of the above-described technical solution, it is preferable that substrate is transparent substrates.
In the technical scheme, by selecting transparent substrates, guarantee the translucency of conductive film and screen.
The touch screen that the embodiment of second aspect of the present invention provides, including above-mentioned conductive film.
CM value (node capacitor) is being reduced to demand by using above-mentioned conductive film by touch screen provided by the invention
Under the premise of range, original metal grill is cut by illusory silk thread, enable cutting after network not
Seen by human eye, to guarantee visual effect, realizes screen support capacitance pen inclination inspection simultaneously also by node capacitor is adjusted
It surveys, improves the functionality of screen.
The mobile terminal that the embodiment of third aspect present invention provides, including above-mentioned conductive film or above-mentioned touch screen.
Mobile terminal provided by the invention can increase original gold by using above-mentioned conductive film or touch screen
After the side length and size that belong to grid, guarantee good visual effect, and screen can also be realized by adjusting node capacitor
It supports capacitance pen tilt detection, improves the functionality of terminal.
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention
Recognize.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the overlooking structure diagram of the conductive film of an embodiment of the present invention；
Fig. 2 is the partial enlargement diagram of part A in structure shown in Fig. 1.
Wherein, the corresponding relationship in Fig. 1 and Fig. 2 between appended drawing reference and component names are as follows:
12 metal grills, 14 illusory silk threads.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Referring to conductive film described in Fig. 1 and Fig. 2 description according to some embodiments of the invention.
As depicted in figs. 1 and 2, the present invention provides a kind of conductive films, comprising: substrate；Conductive layer is arranged in substrate,
Conductive layer includes the metal grill 12 of multiple polygons, at least one illusory silk thread 14, metal mesh are provided in metal grill 12
Lattice 12 are electrically insulated from one another with illusory silk thread 14；Wherein, at least one side of illusory silk thread 14 and metal grill 12 it is parallel to each other and
Spacing between the two is default distance values.
Conductive film provided by the invention by adding illusory silk thread 14 in metal grill 12, and adjusts metal grill
Spacing in 12 between 12 line of metal grill and illusory silk thread 14, so that under conditions of the side length of metal grill 12 increases, depending on
Feel that effect will not be deteriorated.This is because the resolution capability of human eye is about at 200 μm or so, once the gap of metal grill 12 is super
Certain range (such as 300 μm) are crossed, then user is easy for seeing netted metal grill 12 in viewing, to affect
Visual effect, and further cut metal grill 12 by illusory silk thread 14 in the present invention, so that metal grill 12
Interior actual gap becomes smaller, even if the gap of metal grill 12 itself in this way is larger, will not influence the visual effect of display.
Wherein, illusory silk thread 14 itself is not charged, at the same the illusory silk thread 14 in metal grill 12 not with illusory silk thread 14
Intersection.In practical applications, metal grill 12 can suitably be expanded by being reduced to for CM value (node capacitor) when range of needs, and by
The technical foundation that touch screen supports capacitance pen tilt detection had finally both may be implemented in above-mentioned illusory filament, while will not shadow
Ring the visual effect of display.
In one embodiment of the invention, as depicted in figs. 1 and 2, metal grill 12 is diamond-type metal grid 12, diamond shape
There are two illusory silk threads 14 for setting in metal grill 12；The both ends of one of them illusory silk thread 14 are respectively directed to diamond-type metal grid
The midpoint on 12 opposite both sides, the both ends of another illusory silk thread 14 are respectively directed in the other both sides of diamond-type metal grid 12
Point.
In this embodiment, metal grill 12 is diamond shape, illusory by two be arranged in the metal grill 12 of diamond shape
Silk thread 14 (middle line of two groups of opposite side of type diamond shape), is equivalent to and is cut to metal grill 12, by biggish metal grill
12 have been cut into four lesser networks, at the same can by adjusting the distance between the opposite side of lesser network,
Both guarantee the translucency of conductive film, while being also prevented from visual effect variation.
Meanwhile in this embodiment, the range of the side length of diamond-type metal grid 12 is 200 μm to 500 μm, so that CM value
(node capacitor) is reduced to range of needs.Specific side length can be designed according to actual needs, while can also be by adding
Illusory silk thread 14 carries out secondary splitting with the small diamond shape gone out to initial partitioning, and the position and direction of illusory silk thread 14 can also be with
It is adjusted according to demand.
In addition, as depicted in figs. 1 and 2, two adjacent diamond-type metal grids 12 have a public side, it is equivalent to phase
It is connected directly between adjacent metal grill 12, a close reticular structure is collectively formed in all metal grills 12, such
Structure was both simple and compact, while being also convenient for making, more meet actual production requirement.
In one embodiment of the invention, metal grill is square metal grill, setting in square-shaped metal grid
There are two illusory silk threads；The both ends of one of them illusory silk thread are respectively directed to the midpoint on the opposite both sides of square-shaped metal grid,
The both ends of another illusory silk thread are respectively directed to the midpoint on the other both sides of square-shaped metal grid.
In this embodiment, metal grill is square, illusory by two be arranged in the metal grill of square
Silk thread is equivalent to and is cut to metal grill, and biggish metal grill has been cut into four lesser square nets,
It is equivalent to and divides the metal grill of original square into matrix pattern, while the opposite side of the lesser square net of adjusting can be passed through
The distance between, both guaranteed the translucency of conductive film, while being also prevented from visual effect variation.
Meanwhile should be in embodiment, the range of the side length of square-shaped metal grid be 200 μm to 500 μm, so that CM value
(node capacitor) is reduced to range of needs.Specific side length can be designed according to actual needs, while can also be by adding
Illusory silk thread is to carry out secondary splitting to the small square that initial partitioning goes out, and the position and direction of illusory silk thread can also root
It is adjusted according to demand.
Furthermore it is preferred that two adjacent square-shaped metal grids have a public side, it is equivalent to adjacent metal
It is connected directly between grid, a close reticular structure is collectively formed in all metal grills, a similar checkerboard.
It will be appreciated by those skilled in the art that the structure of metal grill is not limited to above-mentioned diamond shape or pros
Shape, if the structures such as pentagon, hexagon or even some irregular figures can also apply above-mentioned structure, which is not described herein again.
In one embodiment of the invention, it is preferable that the range of default distance values is 180 μm to 220 μm.
In this embodiment, 180 μm to 220 μm are set by default distance values, this is because the resolution capability of human eye is big
About at 200 μm or so, once the gap of metal grill has been more than certain range (such as 300 μm), user in viewing just
It is readily seen that netted metal grill, to affect visual effect, and in the present invention by illusory silk thread by metal grill into
Row is further cut, so that the actual gap in metal grill becomes smaller, even if the gap of metal grill itself in this way is larger,
It will not influence the visual effect of display.Meanwhile also to avoid spacing too small, otherwise too small spacing also will affect translucency.
In one embodiment of the invention, it is preferable that substrate is transparent substrates.
In this embodiment, by selecting transparent substrates, guarantee the translucency of the screen of conductive film or the application conductive film.
The present invention also provides a kind of touch screens, including above-mentioned conductive film.
CM value (node capacitor) is being reduced to demand by using above-mentioned conductive film by touch screen provided by the invention
Under the premise of range, original metal grill is cut by illusory silk thread, enable cutting after network not
Seen by human eye, to guarantee visual effect, realizes screen support capacitance pen inclination inspection simultaneously also by node capacitor is adjusted
It surveys, improves the functionality of screen.Wherein, touch screen is preferably capacitance plate, and can be used for mobile phone, tablet computer, smartwatch,
PC touch screen etc..
The present invention also provides a kind of mobile terminals, including above-mentioned conductive film or above-mentioned touch screen.
Mobile terminal provided by the invention can increase original gold by using above-mentioned conductive film or touch screen
After the side length and size that belong to grid, guarantee good visual effect, and screen can also be realized by adjusting node capacitor
It supports capacitance pen tilt detection, improves the functionality of terminal.Mobile terminal includes mobile phone, tablet computer, smartwatch, can touch
Control apparatus such as computer.
In the present invention, term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " peace
Dress ", " connected ", " connection ", the terms such as " fixation " shall be understood in a broad sense, can also be with for example, " connection " may be a fixed connection
It is to be detachably connected, or be integrally connected；" connected " can be directly connected, can also be indirectly connected through an intermediary.It is right
For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of conductive film characterized by comprising
Substrate；
Conductive layer, on the substrate, the conductive layer includes the metal grill of multiple polygons for setting, in the metal grill
It is provided at least one illusory silk thread, the metal grill is electrically insulated from one another with the illusory silk thread；
Wherein, at least one side of the illusory silk thread and the metal grill is parallel to each other and spacing between the two is default
Distance values.
2. conductive film according to claim 1, which is characterized in that
The metal grill is diamond-type metal grid, and there are two the illusory silk threads for setting in the diamond-type metal grid；
The both ends of one of them illusory silk thread are respectively directed to the midpoint on the opposite both sides of the diamond-type metal grid, another
The both ends of the illusory silk thread are respectively directed to the midpoint on the other both sides of diamond-type metal grid.
3. conductive film according to claim 2, which is characterized in that
The range of the side length of the diamond-type metal grid is 200 μm to 500 μm.
4. conductive film according to claim 2, which is characterized in that
The diamond-type metal grid of adjacent two has a public side.
5. conductive film according to claim 1, which is characterized in that
The metal grill is square metal grill, and there are two the illusory silk threads for setting in the square-shaped metal grid；
The both ends of one of them illusory silk thread are respectively directed to the midpoint on the opposite both sides of the square-shaped metal grid, another
The both ends of a illusory silk thread are respectively directed to the midpoint on the other both sides of square-shaped metal grid.
6. conductive film according to claim 5, which is characterized in that
The range of the side length of the square-shaped metal grid is 200 μm to 500 μm.
7. conductive film according to claim 5, which is characterized in that
The square-shaped metal grid of adjacent two has a public side.
8. conductive film according to any one of claim 1 to 7, which is characterized in that
The range of the default distance values is 180 μm to 220 μm.
9. conductive film according to any one of claim 1 to 7, which is characterized in that
The substrate is transparent substrates.
10. a kind of touch screen characterized by comprising
Conductive film as claimed in any one of claims 1-9 wherein.
11. a kind of mobile terminal characterized by comprising
Conductive film as claimed in any one of claims 1-9 wherein；Or
Touch screen as claimed in claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710951047.XA CN109671517B (en) | 2017-10-13 | 2017-10-13 | Conductive film, touch screen and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710951047.XA CN109671517B (en) | 2017-10-13 | 2017-10-13 | Conductive film, touch screen and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109671517A true CN109671517A (en) | 2019-04-23 |
| CN109671517B CN109671517B (en) | 2024-07-02 |
Family
ID=66138697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710951047.XA Active CN109671517B (en) | 2017-10-13 | 2017-10-13 | Conductive film, touch screen and mobile terminal |
Country Status (1)
| Country | Link |
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| CN (1) | CN109671517B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150060120A1 (en) * | 2013-08-29 | 2015-03-05 | Samsung Electro-Mechanics Co., Ltd. | Touch panel |
| US20150242013A1 (en) * | 2012-09-26 | 2015-08-27 | Mitsubishi Electric Corporation | Touch screen |
| CN104952517A (en) * | 2014-03-26 | 2015-09-30 | 南昌欧菲光科技有限公司 | Conductive film and touch screen including the same |
| CN204945976U (en) * | 2015-09-16 | 2016-01-06 | 厦门变格新材料科技有限公司 | A kind of touch-screen based on metal grill |
| CN105448386A (en) * | 2014-08-18 | 2016-03-30 | 深圳欧菲光科技股份有限公司 | Touch control element and conducting film thereof |
-
2017
- 2017-10-13 CN CN201710951047.XA patent/CN109671517B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150242013A1 (en) * | 2012-09-26 | 2015-08-27 | Mitsubishi Electric Corporation | Touch screen |
| US20150060120A1 (en) * | 2013-08-29 | 2015-03-05 | Samsung Electro-Mechanics Co., Ltd. | Touch panel |
| CN104952517A (en) * | 2014-03-26 | 2015-09-30 | 南昌欧菲光科技有限公司 | Conductive film and touch screen including the same |
| CN105448386A (en) * | 2014-08-18 | 2016-03-30 | 深圳欧菲光科技股份有限公司 | Touch control element and conducting film thereof |
| CN204945976U (en) * | 2015-09-16 | 2016-01-06 | 厦门变格新材料科技有限公司 | A kind of touch-screen based on metal grill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109671517B (en) | 2024-07-02 |
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Effective date of registration: 20210419 Address after: 231323 Building 1, precision electronics industrial park, Hangbu Town, Shucheng County, Lu'an City, Anhui Province Applicant after: Anhui jingzhuo optical display technology Co.,Ltd. Address before: 330000, two / F, office building, Nanchang, Jiangxi. Applicant before: NANCHAGN OFILM DISPLAY TECHNOLOGY Co.,Ltd. |
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