CN103345322B - Optical filter box and touch display module - Google Patents
Optical filter box and touch display module Download PDFInfo
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- CN103345322B CN103345322B CN201310282282.4A CN201310282282A CN103345322B CN 103345322 B CN103345322 B CN 103345322B CN 201310282282 A CN201310282282 A CN 201310282282A CN 103345322 B CN103345322 B CN 103345322B
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Abstract
The present invention relates to a kind of optical filter box and touch display screen.A kind of optical filter box, including: glass baseplate；Shading matrix layer, is arranged on a surface of glass baseplate, and shading matrix layer includes cross one another ruling, and ruling intersects to form grid；Impressing glue-line, is arranged on glass baseplate and shading matrix layer, and impressing glue-line offers groove away from the side of glass substrate；Conductive layer, is housed in groove, and conductive layer includes the first conductive pattern and the second conductive pattern, the first conductive pattern and the second conductive pattern spaced formation induction structure；And color light resistance layer, including multiple be arranged on impressing glue-line away from glass substrate side and with grid chromatic photoresist unit one to one.The conductive layer of above-mentioned optical filter box is arranged in the impressing glue-line above shading matrix layer, can avoid the scratch of conductive layer.
Description
Technical field
The present invention relates to touch screen, particularly relate to a kind of optical filter box and use touching of this optical filter box
Touch display screen.
Background technology
Touch screen is a kind of inductive arrangement receiving Touching controlling lamp input signal.Touch screen imparts information and hands over
Brand-new looks, are extremely attractive brand-new information interactive devices.The development of touch screen technology causes
The common concern of information medium circle both at home and abroad, it has also become the Chaoyang new high-tech industry that photovoltaic industry is a dark horse.
Present touch display device is mainly fitted or frame patch group by complete by touch induction device and display device
Conjunction obtains touch display unit display screen.But this mode can cause the integral thickness touching display device to increase.
Furthermore, many one packaging technologies, it is meant that add the probability that product is bad, it is greatly increased the life of product
Produce cost.
Summary of the invention
Based on this, it is necessary to provide a kind of and conductive layer scratch can be prevented to improve the optical filter box of product yield
With the touch display screen using this optical filter box.
A kind of optical filter box, including:
Glass baseplate；
Shading matrix layer, is arranged on a surface of described glass baseplate, and described shading matrix layer includes phase
The ruling intersected mutually, described ruling intersects to form grid；
Impressing glue-line, be arranged on described glass baseplate and described shading matrix layer, described impressing glue-line away from
The side of described glass substrate offers groove；
Conductive layer, is housed in described groove, and described conductive layer includes the first conductive pattern and the second conductive pattern
Case, described first conductive pattern and the second conductive pattern spaced formation induction structure；And
Color light resistance layer, including multiple be arranged on described impressing glue-line away from the side of described glass substrate and with
Described grid chromatic photoresist unit one to one.
Wherein in an embodiment, described first conductive pattern and described second conductive pattern include continuous print
Conductive grid, described conductive grid is intersected to form by conductive thread.
Wherein in an embodiment, the width of described conductive thread is 0.2 micron～5 microns, conductive thread
Intersect formation mesh node, and the adjacent distance between two mesh nodes is 10 microns～500 microns.
Wherein in an embodiment, described conductive thread all falls within described in the projection of described shading matrix layer
On ruling, and the live width of described conductive thread is less than the live width of described ruling.
Wherein in an embodiment, the projection on described shading matrix layer of the described conductive grid accommodate to
A few filter unit.
Wherein in an embodiment, the material of described conductive thread is metal, alloy, CNT, stone
Ink alkene, organic conductive macromolecule or tin indium oxide.
Wherein in an embodiment, the thickness of described conductive layer is less than or equal to the degree of depth of described groove.
Wherein in an embodiment, described first conductive pattern includes multiple first conductive pattern unit, institute
State the second conductive pattern and include multiple second conductive pattern unit, each first conductive pattern unit and each
Two conductive pattern unit all include two parallel branch portions, connect the connecting portion of two branches and are connected with connecting portion
Lead-in wire, a branch portion of each first conductive pattern unit is positioned at two of the second adjacent conductive pattern unit
Between branch portion.
Wherein in an embodiment, the first conductive pattern unit and the second conductive pattern unit are by by whole
The full line of complete conductive grid or permutation silk thread disappearance are cut off.
Wherein in an embodiment, the first conductive pattern unit and the second conductive pattern unit are by by whole
The silk thread marginal portion disappearance of complete conductive grid is cut off.
Wherein in an embodiment, the material of described impressing glue-line is ultraviolet-curing resin, visible-light curing
Resin or heat reactive resin.
A kind of touch display screen, including the TFT electrode stacked gradually, Liquid Crystal Module, public electrode, optical filtering
Chip module and polaroid, described optical filter box is optical filter box as above.
In above-mentioned optical filter box, shading matrix layer and color light resistance layer are separately positioned on the both sides of impressing glue-line,
Conductive layer is embedded in the groove of impressing glue-line, during preparation, it is to avoid conductive layer scratch causes disconnected
Road, the situation such as bad of conducting electricity, improve product yield.
Accompanying drawing explanation
Fig. 1 is the structural representation touching display screen of an embodiment；
Fig. 2 is the generalized section of the optical filter box of an embodiment；
Fig. 3 is the generalized section of the optical filter box of another embodiment；
Fig. 4 is the generalized section of the optical filter box of another embodiment；
Fig. 5 is the structural representation of the conductive layer of an embodiment；
Fig. 6 a is the structural representation of the conductive layer of another embodiment；
Fig. 6 b is the structural representation of the conductive layer of another embodiment；
Fig. 7 a is the structural representation of the conductive thread of an embodiment；
Fig. 7 b is the structural representation of the conductive thread of another embodiment；
Fig. 8 is the structural representation of the conductive thread of another embodiment；
Fig. 9 is the structural representation of the conductive thread of another embodiment；
Figure 10 is the structural representation of the conductive thread of another embodiment.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, the most right
The detailed description of the invention of the present invention is described in detail.Elaborate in the following description a lot of detail with
It is easy to fully understand the present invention.But the present invention can come real to be a lot different from alternate manner described here
Executing, those skilled in the art can do similar improvement in the case of intension of the present invention, therefore this
Bright do not limited by following public being embodied as.
It should be noted that when element is referred to as " being fixed on " another element, and it can be directly at another
On individual element or element placed in the middle can also be there is.When an element is considered as " connection " another yuan
Part, it can be directly to another element or may be simultaneously present centering elements.
Unless otherwise defined, all of technology used herein and scientific terminology and the technology belonging to the present invention
The implication that the technical staff in field is generally understood that is identical.The art used the most in the description of the invention
Language is intended merely to describe the purpose of specific embodiment, it is not intended that in limiting the present invention.Used herein
Term " and/or " include the arbitrary and all of combination of one or more relevant Listed Items.
The present invention proposes a kind of optical filter box and uses the touch display screen of this optical filter box.This optical filter
Assembly can realize touch operation and optical filter function, so that touching display screen have touch display function.
Referring to Fig. 1, the touch display screen 100 of an embodiment, including the lower polaroid 10 stacked gradually, TFT
Electrode 20, Liquid Crystal Module 30, public electrode 40, protecting film 50, optical filter box 200 and upper polaroid
60。
The lower polaroid 10 of the present embodiment, TFT electrode 20, Liquid Crystal Module 30, public electrode 40, protection
Film 50 and the structure of upper polaroid 60 and function can be identical with existing product, do not repeat them here.
Be appreciated that for using backlight be polarized light source, such as OLED polarized light source, then without under
Polaroid 10, it is only necessary to upper polaroid 60.Protecting film 50 can also omit.
Optical filter box 200 have simultaneously can touch control operation and filtering functions so that described touch display screen
100 have touch display function.Display screen can be straight-down negative or the LCDs of side down light source.
Following emphasis describes optical filter box 200.
Refer to Fig. 2, optical filter box 200 include glass baseplate 22, shading matrix layer (Black Matrix,
BM) 24, impressing glue-line 26, conductive layer 28 and color light resistance layer 29.
Glass baseplate 22 can be sillico aluminate glass or calcium soda-lime glass.
Shading matrix layer 24 is arranged on a surface of glass baseplate 22.The material of shading matrix layer 24 is
With photoresist or the crome metal of black dyes, it can be made in the way of using exposure, development.Shading square
Battle array layer 24 includes cross one another ruling, and these rulings intersect to form grid.
Impressing glue-line 26 is arranged on glass baseplate 22 and shading matrix layer 24.Impressing glue-line 26 is transparent
Shape, thickness is 2 μm～10 μm, with do not affect entirety transmitance be advisable.In the present embodiment, imprint glue-line
The material of 26 can be no-solvent type ultra-violet curing acryl resin.In other embodiments, impressing glue-line 26
Material can also be On Visible Light Cured Resin, heat reactive resin.Impressing glue-line 26 is away from glass substrate 22
Side on offer the groove 262 for housing conductive layer 28.The degree of depth of groove 262 can be 1 micron～8
Micron.
Conductive layer 28 is housed in the groove 262 of impressing glue-line 26 completely, and the thickness of conductive layer 28 is equal to recessed
The degree of depth of groove 262, it is of course also possible to less than the degree of depth of groove 262.Conductive layer 28 includes the first conductive pattern
Case 282 and the second conductive pattern 284, and the first conductive pattern 282 and the second conductive pattern 284 are along described pressure
Spaced formation induction structure on the extension direction of print glue-line 26.
Referring to Fig. 5, in the present embodiment, the first conductive pattern 282 and the second conductive pattern 284 are monolayer
The conductive pattern of multipoint configuration.First conductive pattern 282 includes multiple first conductive unit 2822, and second leads
Electrical pattern 284 includes multiple second conductive unit 2842.First conductive pattern unit 2822 and the second conductive pattern
Case unit 2842 all includes two parallel branch portions, the connecting portion connecting two branches and the lead-in wire being connected with connecting portion.
One branch portion of each first conductive pattern unit 2822 is positioned at the second adjacent conductive pattern unit 2842
Between two branch portions.First conductive pattern 282 and the second conductive pattern 284 all include conductive grid.Conduction
Grid is intersected to form by conductive thread a.
In other embodiments, separate and mutually insulated the first conductive unit 2822 and second conducts electricity
Pattern unit 2842 can also be for be separated to form the conductive grid that whole complete by break line treatment.Such as,
Referring to Fig. 6 a, the first conductive pattern unit 2822 and the second conductive pattern unit 2842 can pass through full line
Or permutation silk thread lacks and cuts off.For another example, Fig. 6 b, the first conductive pattern unit 2822 and second are referred to
Conductive pattern unit 2842 can be cut off by silk thread marginal portion disappearance (at square frame b on figure).
In above two mode, the conductive thread a two internodal distance that breaks is 0.5 micron～50 microns.
Further, conductive thread a formed basic grid can be regular polygon, as square, rhombus,
Regular hexagon etc..The basic grid that conductive thread a is formed can also be random grid.Conductive thread a can be straight
Line, curve or broken line.
Conductive thread a can obtain shape and the first conductive pattern by first carrying out impressing on impressing glue-line 26
The second groove that 282 the first grooves matched and shape match with the second conductive pattern 286, then to first,
Second groove is filled conductive material prepare.The conductive material filled can be metal, alloy, CNT,
Graphene, organic conductive macromolecule or tin indium oxide (ITO)；It is preferably metal, such as nanometer silver paste.
In the embodiment shown in Figure 2, the ruling of conductive thread a and shading matrix layer 24 is not in alignment with.
The live width of conductive thread a is 0.2 micron～5 microns, and conductive thread a intersects formation grid node, phase
Distance between adjacent two grid nodes is 50 microns～500 microns.Under conditions of meeting above-mentioned live width and spacing,
The transparent effect of conductive thread case, i.e. naked eyes can be realized invisible.Therefore, no matter whether conductive thread a
It is directed at the ruling of shading matrix 24, excellent visual effect can be ensured.
In the embodiment shown in fig. 3, the ruling of conductive thread a and shading matrix layer 24 is in alignment with.Also
That is, conductive thread a entirely falls on the ruling of shading matrix layer 24 in the projection of shading matrix layer 24.And
And, the width of conductive thread a is less than the width of ruling, accordingly even when conductive thread a is wider and opaque, also
Can be blocked matrix layer 24 to shelter from, therefore user the most not can be appreciated that conductive layer 28, thus without shadow
Ring Consumer's Experience.
In the embodiment shown in fig. 4, the ruling of conductive thread a and shading matrix layer 24 is in alignment with.And
And the width of conductive thread a is equal with the width of ruling.So live width of conductive thread a can do width, with fall
The manufacture difficulty of low conductive thread a.
Color light resistance layer 29 is arranged on impressing glue-line 26.Color light resistance layer 29 includes multiple being arranged on impressing
Glue-line 26 is away from the chromatic photoresist unit 292 of the side of glass substrate 22.Each chromatic photoresist unit 292 with
The grid of one shading matrix layer 24 is corresponding.The material of color light resistance layer 29 can be with coloured dye,
The reddest (Red, R), green (Green, G), the photoresist of blue (Blue, B), its can use exposure,
Development is formed.In the present embodiment, the chromatic photoresist of color light resistance layer 29 is R/G/B chromatic photoresist.
Referring to Fig. 7 a and Fig. 7 b, the basic grid of conductive thread a can be rectangle, it is also possible to for irregularly
Curve.
The basic grid shape of conductive thread a can to the chromatic photoresist of color light resistance layer 29 be shaped as similar
Figure, as shown in Figure 7a, the intersection point of conductive thread a grid overlaps with the intersection point of shading matrix layer 24.Conduction
Grid projection on shading matrix layer 24 accommodates at least one chromatic photoresist unit 292.
Preferably, the grid lines of conductive thread a is away from being same axially adjacent two centrages of shading matrix layer 24
The integral multiple of spacing is so that preparing.Here three kinds of situations can be divided into: the most only first (the most such as
Transverse axis) on, the grid lines of conductive thread a is away from being same axially adjacent two centreline spaces of shading matrix layer 24
The integral multiple of distance, i.e. at the grid lines of conductive thread a of X direction away from about integer that ruling is wide
Times, as shown in Figure 8；The most only on second axial (the such as longitudinal axis), the grid lines of conductive thread a is away from being
The integral multiple of same axially adjacent two distance between center lines of shading matrix layer 24, i.e. in the conduction of y direction
The grid lines of silk thread a is away from about integral multiple that ruling is wide, as shown in Figure 9；3. first axially and the
Two axially on, conductive thread grid lines is away from being all same axially adjacent two centreline spacings of shading matrix layer 24
From integral multiple, i.e. the grid lines of the conductive thread a in horizontally and vertically direction is away from being each about a ruling width
Integral multiple, as shown in Figure 10.
In above-mentioned optical filter box 200 and touch display screen 100, shading matrix layer 24 and color light resistance layer
29 both sides being separately positioned on impressing glue-line 26, conductive layer 28 is embedded in the groove 262 of impressing glue-line 26,
During preparation, it is to avoid conductive layer 28 scratch causes open circuit, the situation such as bad of conducting electricity, and improves product
Product yield.It addition, the thickness of conductive layer 28 is less than the degree of depth of groove 262, in following process or use
During conductive layer 28 can be avoided further to be scraped off.
When the preparation process of the optical filter box 200 of conductive layer 28 1 embodiment may include steps of:
Step S101, just glass baseplate carry out plasma (Plasma) and process.
Removed the spot of glass substrate surface by plasma treatment, and make glass substrate surface ionizing.
Plasma treatment can make increase base material viscous with color light resistance layer and shading matrix layer in subsequent process
Knot power.
Step S102, coat light screening material on the glass substrate, use exposure, developing manufacture process, obtain shading
Matrix layer, shading matrix layer includes cross one another ruling, and ruling intersects to form grid.
In the present embodiment, at the whole topcoating of glass substrate surface/plating light screening material, light screening material can be black UV
Glue or crome metal, if shading matrix layer material is black UV glue, then use exposure imaging technology, will
The shading matrix layer material in chromatic photoresist region removes, and obtains shading matrix layer；If shading matrix layer material
For crome metal, the most first it is coated with a layer photoetching glue again through exposure-development-etching technique, by chromatic photoresist region
Shading matrix layer material removes, and obtains shading matrix layer.
Step S103, on glass baseplate and shading matrix layer coating impressing glue, obtain imprint glue-line, pressure
Print glue-line is away from offering groove on the side of glass substrate.
Impression block can be used to obtain what shape was mated with the first conductive pattern 282 in impressing glue surface imprint
The second groove that first groove and shape are mated with the second conductive pattern 284,
Step S104, in a groove filling conductive material obtain conductive layer, and conductive layer includes the first conductive pattern
And second conductive pattern, the first conductive pattern and the second conductive pattern spaced formation induction structure.
Conductive silver ink conductive material can be filled in the first and second grooves and solidify, prepare conductive layer.
Step S105, in grid deposit chromatic photoresist, obtain color light resistance layer, thus obtain filter set
Part.
This preparation technology is simple, operates controlled, and cost is relatively low, is applicable to industrialized production.
Above-mentioned optical filter box and preparation method thereof and touch display screen have the further advantage that
(1) optical filter box can realize touch control operation and optical filter function simultaneously, as indispensable in display screen
A few assembly, time in display screen, can directly make display screen have touch controllable function, it is not necessary to again aobvious
Assemble a touch screen in display screen, not only contribute to reduce the thickness of electronic product, be the most also greatly saved material
Material and assembly cost.
(2) owing to conductive grid silk thread carefully arrives visually-clear or is just being configured shading matrix layer grid line,
Therefore user the most not can be appreciated that conductive grid.
(3) conductive pattern selects embedded grider structure, and this structure can be by grid live width or by hiding
The covering of light matrix, makes conductive pattern naked eyes invisible, and therefore, the material that conductive pattern is selected is by tradition only
All suitable conductive materials are expanded to transparent material, when conductive pattern selects metal material, can be significantly
Reduce resistance to reduce the energy consumption of touch screen.
(4) above-mentioned conductive pattern uses metal mesh structure, uses imprint process to manufacture, compared to biography
The ito film of system can a step be formed as the technique of conductive layer, mesh shape, and technique is simple, it is not necessary to spatter
The expensive device such as plating, evaporation, yield is high, is suitable for large area, production in enormous quantities.And if with metal generation
For ITO, material cost is substantially reduced, and owing to need not use etching technics, does not results in conductive
Waste, and environmentally friendly.
(5) embed in impressing glue because of conductive material, it is possible to avoid the wire of conductive layer to be scratched.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and
Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is as the criterion.
Claims (9)
1. an optical filter box, it is characterised in that including:
Glass baseplate；
Shading matrix layer, is arranged on a surface of described glass baseplate, and described shading matrix layer includes phase
The ruling intersected mutually, described ruling intersects to form grid；
Impressing glue-line, be arranged on described glass baseplate and described shading matrix layer, described impressing glue-line away from
The side of described glass substrate offers groove；
Conductive layer, is housed in described groove, and described conductive layer includes the first conductive pattern and the second conductive pattern
Case, described first conductive pattern and the second conductive pattern spaced formation induction structure；And
Color light resistance layer, including multiple be arranged on described impressing glue-line away from the side of described glass substrate and with
Described grid chromatic photoresist unit one to one；
Described first conductive pattern and described second conductive pattern include continuous print conductive grid, described conductive mesh
Lattice are intersected to form by conductive thread；
Described conductive thread all falls within described ruling in the projection of described shading matrix layer, and described conductive filament
The live width of line is less than or equal to the live width of described ruling.
Optical filter box the most according to claim 1, it is characterised in that the width of described conductive thread
Being 0.2 micron～5 microns, conductive thread intersects formation mesh node, between two adjacent mesh nodes
Distance be 10 microns～500 microns.
Optical filter box the most according to claim 1, it is characterised in that described conductive grid is described
Projection on shading matrix layer accommodates at least one chromatic photoresist unit.
Optical filter box the most according to claim 1, it is characterised in that the material of described conductive thread
For metal, alloy, CNT, Graphene, organic conductive macromolecule or tin indium oxide.
Optical filter box the most according to claim 1, it is characterised in that the thickness of described conductive layer is little
In the degree of depth equal to described groove.
Optical filter box the most according to claim 1, it is characterised in that described first conductive pattern bag
Including multiple first conductive pattern unit, described second conductive pattern includes multiple second conductive pattern unit, often
One first conductive pattern unit all includes two parallel branch portions with each second conductive pattern unit, connects two points
The connecting portion of branch and the lead-in wire that is connected with connecting portion, a branch portion of each first conductive pattern unit is positioned at phase
Between two branch portions of the second adjacent conductive pattern unit.
Optical filter box the most according to claim 6, it is characterised in that the first conductive pattern unit and
Second conductive pattern unit by the full line of the conductive grid complete by whole or permutation silk thread disappearance carry out every
Disconnected.
Optical filter box the most according to claim 6, it is characterised in that the first conductive pattern unit and
Second conductive pattern unit is lacked by the silk thread marginal portion of the conductive grid complete by whole and cuts off.
9. touch a display screen, including the TFT electrode stacked gradually, Liquid Crystal Module, public electrode, filter
Light chip module and polaroid, it is characterised in that described optical filter box is such as claim 1～8 any one
Described optical filter box.
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| CN201310282282.4A CN103345322B (en) | 2013-07-05 | 2013-07-05 | Optical filter box and touch display module |
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| CN201310282282.4A CN103345322B (en) | 2013-07-05 | 2013-07-05 | Optical filter box and touch display module |
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| CN103345322A CN103345322A (en) | 2013-10-09 |
| CN103345322B true CN103345322B (en) | 2016-12-28 |
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| CN103123548A (en) * | 2011-11-18 | 2013-05-29 | 宸鸿科技(厦门)有限公司 | Touch control display device |
| CN103135292A (en) * | 2011-11-30 | 2013-06-05 | 乐金显示有限公司 | Liquid crystal display device having touch screen |
| CN103164100A (en) * | 2013-03-28 | 2013-06-19 | 南昌欧菲光科技有限公司 | Capacitive touch screen |
| CN103176656A (en) * | 2013-03-20 | 2013-06-26 | 南昌欧菲光科技有限公司 | Touch screen and manufacture method thereof |
| CN203338300U (en) * | 2013-07-05 | 2013-12-11 | 南昌欧菲光显示技术有限公司 | Optical filter assembly and touch displaying screen |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130020313A (en) * | 2011-08-19 | 2013-02-27 | 삼성전기주식회사 | Touch sensor and method for manufacturing the same |
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2013
- 2013-07-05 CN CN201310282282.4A patent/CN103345322B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123548A (en) * | 2011-11-18 | 2013-05-29 | 宸鸿科技(厦门)有限公司 | Touch control display device |
| CN103135292A (en) * | 2011-11-30 | 2013-06-05 | 乐金显示有限公司 | Liquid crystal display device having touch screen |
| CN103176656A (en) * | 2013-03-20 | 2013-06-26 | 南昌欧菲光科技有限公司 | Touch screen and manufacture method thereof |
| CN103164100A (en) * | 2013-03-28 | 2013-06-19 | 南昌欧菲光科技有限公司 | Capacitive touch screen |
| CN203338300U (en) * | 2013-07-05 | 2013-12-11 | 南昌欧菲光显示技术有限公司 | Optical filter assembly and touch displaying screen |
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Effective date of registration: 20170713 Address after: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee after: Nanchang OFilm Tech. Co.,Ltd. Address before: North to the East, 330013 in Jiangxi province Nanchang city Nanchang economic and technological development zones clove road Longtan ditch Co-patentee before: Shenzhen OFilm Tech Co.,Ltd. Patentee before: Nanchang Ofilm Display Tech Co.,Ltd. Co-patentee before: Suzhou OFilm Tech. Co.,Ltd. |
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Effective date of registration: 20210303 Address after: 231323 Building 1, precision electronics industrial park, Hangbu Town, Shucheng County, Lu'an City, Anhui Province Patentee after: Anhui jingzhuo optical display technology Co.,Ltd. Address before: 330000 Huang Jia Hu Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi Patentee before: Nanchang OFilm Tech. Co.,Ltd. |
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