CN109413775A - A kind of invaginating metal grill transparent electric heating film and preparation method thereof - Google Patents
A kind of invaginating metal grill transparent electric heating film and preparation method thereof Download PDFInfo
- Publication number
- CN109413775A CN109413775A CN201811369649.5A CN201811369649A CN109413775A CN 109413775 A CN109413775 A CN 109413775A CN 201811369649 A CN201811369649 A CN 201811369649A CN 109413775 A CN109413775 A CN 109413775A
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- invaginating
- electric heating
- heating film
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- 239000002184 metal Substances 0.000 title claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 30
- 238000005485 electric heating Methods 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000000758 substrate Substances 0.000 claims abstract description 40
- 239000011347 resin Substances 0.000 claims abstract description 31
- 229920005989 resin Polymers 0.000 claims abstract description 31
- 239000004020 conductor Substances 0.000 claims abstract description 20
- 208000003351 Melanosis Diseases 0.000 claims abstract description 13
- 230000003667 anti-reflective effect Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000002834 transmittance Methods 0.000 claims abstract description 9
- 239000004973 liquid crystal related substance Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 13
- 238000012546 transfer Methods 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 239000011858 nanopowder Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 9
- 230000005611 electricity Effects 0.000 description 7
- 238000002955 isolation Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/013—Heaters using resistive films or coatings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/017—Manufacturing methods or apparatus for heaters
Landscapes
- Surface Heating Bodies (AREA)
Abstract
The invention discloses a kind of invaginating metal grill transparent electric heating film, including ontology, the ontology includes window area and the periphery conducting area being coated on around window area, and the sheet resistance in periphery conducting area is lower than the 10% or less of window area；The light transmittance of the window area is higher than the 70% of periphery conducting area, and sheet resistance is less than 50 Europe；The window area and periphery conducting area include transparent substrate, one layer of first light-transmitting resin layer is equipped in the upper surface of transparent substrate, interval embedment has more than one first nano-level conducting material layer by way of printing in the first light-transmitting resin layer, and the first melanism anti-reflective layer is equipped in each first nano-level conducting material layer.The invention also discloses a kind of preparation methods of invaginating metal grill transparent electric heating film.When the present invention has light transmittance high, good conductivity and processes without any pollution, cheap technical effect compared with prior art.
Description
Technical field
The present invention relates to a kind of technical field of automobile transparent Electric radiant Heating Film, especially a kind of transparent electricity of invaginating metal grill
Hotting mask and preparation method thereof.
Background technique
Resistance wire is contained in the inside of existing automobile transparent Electric radiant Heating Film, and the resistance wire in transparent substrate surface generally by steaming
The mode of hair or sputtering conductive metal silk-screen conductive metal using low square resistance ITO nano-silver thread and carries out etching copper method system
The mode of standby metal grill circuit realizes the uniformly heated method of whole face of transparent substrate surface as resistance wire.But it utilizes above-mentioned
Several ways deposit following problems: 1, metal coating mode seriously affects the light transmittance of transparent substrate；2, silk-screened conductive metal meat
Eye is visible；3, low square resistance ITO and nano-silver thread is expensive；4, etching copper process environments pollute；5, copper is exposed in substrate table
Face causes weatherability poor, therefore it is particularly important how to design a New Electrothermal Film for being able to solve the above problem.
Summary of the invention
It is transparent that a kind of invaginating metal grill is provided the purpose of the present invention is to solve above-mentioned the deficiencies in the prior art
Electric radiant Heating Film and preparation method thereof.
To achieve the goals above, a kind of invaginating metal grill transparent electric heating film designed by the present invention, including ontology,
The ontology includes window area and the periphery conducting area being coated on around window area, and the sheet resistance in periphery conducting area is low
In the 10% or less of window area；The light transmittance of the window area is higher than the 70% of periphery conducting area, and sheet resistance is less than 50 Europe；Institute
Stating window area and periphery conducting area includes transparent substrate, is equipped with one layer of first light-transmissive resin in the upper surface of transparent substrate
Layer, interval embedment has more than one first nano-level conducting material layer by way of printing in the first light-transmitting resin layer,
The first melanism anti-reflective layer is equipped in each first nano-level conducting material layer.
Further, in order to improve antiultraviolet isolation effect, in the first light-transmitting resin layer and the surface of transparent substrate
Added with UV absorption nano-powder particles.
Further, preferably, being to pass through light to make to operate the first more convenient, described nano-level conducting material layer
Micro-nano conducting channel prepared by the mode of resistance exposure and texture transfer.
In order to improve isolation effect, it is equipped with one layer of second light-transmitting resin layer in the lower surface of transparent substrate, in the second light transmission
Interval embedment has more than one second nano-level conducting material layer by way of printing in resin layer, second receives at each
Meter level conductive material layer is equipped with the second melanism anti-reflective layer.
Further, preferably, being to pass through light to make to operate the second more convenient, described nano-level conducting material layer
Micro-nano conducting channel prepared by the mode of resistance exposure and texture transfer.
In order to realize the functional diversity of compound increase automotive window of the functions such as electric heating, electrochromism, touch-control and practical
Property, first light-transmitting resin layer can by toning film conductive substrate replace, and toning film conductive substrate upper surface
Equipped with one layer of liquid crystal material layer, one layer of liquid crystal substrates layer for liquid crystal packing is equipped in the upper surface of liquid crystal material layer.
In order to improve intensity, realization is explosion-proof, one layer of first transparent glass layer is equipped in the upper surface of ontology, under ontology
Surface is equipped with one layer of toning film layer, is equipped with one layer of touch module in the lower surface of toning film layer, sets in the lower surface of touch module
There is one layer of second transparent glass layer.
The invention also discloses a kind of preparation methods of invaginating metal grill transparent electric heating film, specifically include following step
It is rapid:
1) micro-nano conducting channel is prepared by way of photoresistance exposure and texture transfer first, then by the micro-nano conductive electricity
Road is embedded in the first light-transmitting resin layer of the upper surface of transparent substrate by way of printing, and internal resistance wire is constituted；In electricity
The upper surface for hindering silk coats one layer of first melanism anti-reflective layer；Then above-mentioned identical method setting window area and cladding are installed
Periphery conducting area around window area；
2) the homogeneous conductive circuit of window area sheet resistance is had to be lower than when periphery conducting area is arranged simultaneously.
Further, in order to improve antiultraviolet isolation effect, in light-transmitting resin layer and the surface of transparent substrate is added
UV absorption nano-powder particles.
A kind of invaginating metal grill transparent electric heating film and preparation method thereof that the present invention obtains, the present invention have following excellent
Point:
1, micro nano structure is prepared by way of photoresistance exposure and texture transfer, conducting channel is embedded to by way of printing
Inside is used as resistance wire, with this come high-permeability needed for realizing vehicle windows heating film, be evenly heated, high-weatherability etc. produces
Product requirement.
2, guarantee current flow uniformity lower than the homogeneous conductive circuit of form sheet resistance in the design of form surrounding simultaneously and prevent electricity
It flows through and greatly Electric radiant Heating Film is caused to damage.
3, light transmittance is high, good conductivity and when processing without any pollution, cheap compared with prior art.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of invaginating metal grill transparent electric heating film in embodiment 1；
Fig. 2 is the distribution schematic diagram of the inside deck structure of window area in embodiment 1；
Fig. 3 is the distribution schematic diagram of the inside deck structure of window area in embodiment 2；
Fig. 4 is the distribution schematic diagram of the inside deck structure of window area in embodiment 3；
Fig. 5 is the distribution schematic diagram of the inside deck structure of window area in embodiment 4.
In appended drawing reference: 1. ontologies；2. window area；3. periphery conducting area；4. transparent substrate；5. the first light-transmissive resin
Layer；6. the first nano-level conducting material layer；7. the first melanism anti-reflective layer；8. the second light-transmitting resin layer；9. the second nanoscale is led
Material layer；10. the second melanism anti-reflective layer；11. film conductive substrate of mixing colours；12. liquid crystal material layer；13. liquid crystal substrates layer；
14. the first transparent glass layer；15. film layer of mixing colours；16. touch module；17. the second transparent glass layer.
Specific embodiment
Innovation and creation are described further below with reference to embodiment.
Embodiment 1:
As shown in Figure 1 and Figure 2, a kind of invaginating metal grill transparent electric heating film provided in this embodiment, including ontology 1, described
Body 1 includes window area 2 and the periphery conducting area 3 being coated on around window area 2, and the sheet resistance in periphery conducting area 3 is lower than
10% or less window area 2；The light transmittance of the window area 2 is higher than the 70% of periphery conducting area 3, and sheet resistance is less than 50 Europe；
The window area 2 and periphery conducting area 3 include transparent substrate 4, are equipped with one layer first thoroughly in the upper surface of transparent substrate 4
Photopolymer resin layer 5, interval embedment has more than one first nano-level conducting by way of printing in the first light-transmitting resin layer 5
Material layer 6 is equipped with the first melanism anti-reflective layer 7 in each first nano-level conducting material layer 6.
Further, in order to improve antiultraviolet isolation effect, in the first light-transmitting resin layer 5 and the table of transparent substrate 4
Face is added with UV absorption nano-powder particles.
Further, preferably, being to pass through to make to operate the first more convenient, described nano-level conducting material layer 6
Micro-nano conducting channel prepared by photoresistance exposure and the mode of texture transfer.
Processing method: micro-nano conducting channel is prepared by way of photoresistance exposure and texture transfer first, then should
Micro-nano conducting channel is embedded in the first light-transmitting resin layer of the upper surface of transparent substrate by way of printing, and inside is constituted
Resistance wire；One layer of first melanism anti-reflective layer is coated in the upper surface of resistance wire；Then above-mentioned identical method setting view is installed
Window region and the periphery conducting area being coated on around window area；Window area is had to be lower than when periphery conducting area is arranged simultaneously
The homogeneous conductive circuit of sheet resistance prepares micro-nano knot by way of photoresistance exposure and texture transfer said structure design
Structure, conducting channel is embedded to by way of printing internal as resistance wire, is realized needed for vehicle windows heating film with this
High-permeability is evenly heated, the product requirements such as high-weatherability, while being lower than the homogeneous conductive of form sheet resistance in the design of form surrounding
Circuit guarantees current flow uniformity and prevents electric current is excessive from causing to damage to Electric radiant Heating Film, therefore this structure has light transmittance high, conductive
Property it is good and when processing without any pollution, compared with prior art cheap advantage.
Embodiment 2:
As shown in figure 3, a kind of invaginating metal grill transparent electric heating film provided in this embodiment, in order to improve isolation effect,
The lower surface of transparent substrate 4 be equipped with one layer of second light-transmitting resin layer 8, in the second light-transmitting resin layer 8 by way of printing between
There is more than one second nano-level conducting material layer 9 every embedment, the is equipped in each second nano-level conducting material layer 9
Two melanism anti-reflective layers 10.
Further, preferably, being to pass through to make to operate the second more convenient, described nano-level conducting material layer 9
Micro-nano conducting channel prepared by photoresistance exposure and the mode of texture transfer.
Embodiment 3:
As shown in figure 4, a kind of invaginating metal grill transparent electric heating film provided in this embodiment, in order to realize electric heating, electroluminescent change
The functional diversity and practicability of the compound increase automotive window of the functions such as color, touch-control, first light-transmitting resin layer 5 can be with
It is replaced by toning film conductive substrate 11, and is equipped with one layer of liquid crystal material layer 12 in the upper surface of toning film conductive substrate 11,
The upper surface of liquid crystal material layer 12 is equipped with one layer of liquid crystal substrates layer 13 for liquid crystal packing.
Embodiment 4:
As shown in figure 5, a kind of invaginating metal grill transparent electric heating film provided in this embodiment is realized anti-to improve intensity
It is quick-fried, it is equipped with one layer of first transparent glass layer 14 in the upper surface of ontology 1, is equipped with one layer of toning film layer 15 in the lower surface of ontology 1,
It is equipped with one layer of touch module 16 in the lower surface of toning film layer 15, is equipped with one layer of second transparent glass in the lower surface of touch module 16
Glass layer 17.
Embodiment 5:
An a kind of preparation method for invaginating metal grill transparent electric heating film as described in Example 1, specifically includes following step
It is rapid:
1) micro-nano conducting channel is prepared by way of photoresistance exposure and texture transfer first, then by the micro-nano conductive electricity
Road is embedded in the first light-transmitting resin layer of the upper surface of transparent substrate by way of printing, and internal resistance wire is constituted；In electricity
The upper surface for hindering silk coats one layer of first melanism anti-reflective layer；Then above-mentioned identical method setting window area and cladding are installed
Periphery conducting area around window area；
2) the homogeneous conductive circuit of window area sheet resistance is had to be lower than when periphery conducting area is arranged simultaneously.
Further, in order to improve antiultraviolet isolation effect, in light-transmitting resin layer and the surface of transparent substrate is added
UV absorption nano-powder particles.
By the explanation of above structure embodiment, the invention has the following advantages that
1, micro nano structure is prepared by way of photoresistance exposure and texture transfer, conducting channel is embedded to by way of printing
Inside is used as resistance wire, with this come high-permeability needed for realizing vehicle windows heating film, be evenly heated, the products such as high-weatherability
It is required that.
2, guarantee current flow uniformity lower than the homogeneous conductive circuit of form sheet resistance in the design of form surrounding simultaneously and prevent electricity
It flows through and greatly Electric radiant Heating Film is caused to damage.
3, light transmittance is high, good conductivity and when processing without any pollution, cheap compared with prior art.
4, transparent substrate surface and the interior addition UV absorbing material of resin are can effectively protect in automobile to completely cut off ultraviolet light
Exterior material.
5 and being bonded with vehicle glass makes glass have explosion prevention function.
6, multilayer circuit structure is made, realizes the function of the compound increase automotive windows of functions such as electric heating, electrochromism, touch-control
It can diversity and practicability.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of invaginating metal grill transparent electric heating film, which is characterized in that including ontology (1), the ontology (1) includes form
Region (2) and periphery conducting area (3) being coated on around window area (2), the sheet resistance of periphery conducting area (3) is lower than view
10% or less window region (2)；The light transmittance of the window area (2) is higher than the 70% of periphery conducting area (3), and sheet resistance is less than 50
Europe；The window area (2) and periphery conducting area (3) include transparent substrate (4), are set in the upper surface of transparent substrate (4)
There is one layer of first light-transmitting resin layer (5), interval embedment has more than one by way of printing in the first light-transmitting resin layer (5)
The first nano-level conducting material layer (6), in each first nano-level conducting material layer (6) be equipped with the first melanism reflection-proof
Layer (7).
2. a kind of invaginating metal grill transparent electric heating film according to claim 1, which is characterized in that in the first light transmission
In resin layer (5) and the surface of transparent substrate (4) is added with UV absorption nano-powder particles.
3. a kind of invaginating metal grill transparent electric heating film according to claim 1 or 2, which is characterized in that described
One nano-level conducting material layer (6) is the micro-nano conducting channel prepared by way of photoresistance exposure and texture transfer.
4. a kind of invaginating metal grill transparent electric heating film according to claim 1 or 2, which is characterized in that in transparent base
The lower surface of material (4) is equipped with one layer of second light-transmitting resin layer (8), between the second light-transmitting resin layer (8) is interior by way of printing
There is more than one second nano-level conducting material layer (9) every embedment, is set in each second nano-level conducting material layer (9)
There is the second melanism anti-reflective layer (10).
5. a kind of invaginating metal grill transparent electric heating film according to claim 4, which is characterized in that described second receives
Meter level conductive material layer (9) is the micro-nano conducting channel prepared by way of photoresistance exposure and texture transfer.
6. a kind of invaginating metal grill transparent electric heating film according to claim 1 or 2, which is characterized in that described
One light-transmitting resin layer (5) can be replaced by toning film conductive substrate (11), and in the upper surface of toning film conductive substrate (11)
Equipped with one layer of liquid crystal material layer (12), one layer of liquid crystal substrates for liquid crystal packing are equipped in the upper surface of liquid crystal material layer (12)
Layer (13).
7. a kind of invaginating metal grill transparent electric heating film according to claim 3, which is characterized in that described first is thoroughly
Photopolymer resin layer (5) can be replaced by toning film conductive substrate (11), and be equipped in the upper surface of toning film conductive substrate (11)
One layer of liquid crystal material layer (12) is equipped with one layer of liquid crystal substrates layer for liquid crystal packing in the upper surface of liquid crystal material layer (12)
(13).
8. a kind of invaginating metal grill transparent electric heating film according to claim 1 or 2, which is characterized in that in ontology (1)
Upper surface be equipped with one layer of first transparent glass layer (14), the lower surface of ontology (1) be equipped with one layer of toning film layer (15), adjusting
The lower surface of color film layer (15) is equipped with one layer of touch module (16), transparent equipped with one layer second in the lower surface of touch module (16)
Glassy layer (17).
9. a kind of preparation method of invaginating metal grill transparent electric heating film, it is characterised in that: specifically includes the following steps:
Micro-nano conducting channel is prepared by way of photoresistance exposure and texture transfer first, then by the micro-nano conducting channel
It is embedded to by way of printing in the first light-transmitting resin layer of the upper surface of transparent substrate, constitutes internal resistance wire；In resistance
The upper surface of silk coats one layer of first melanism anti-reflective layer；Then above-mentioned identical method setting window area is installed and be coated on
Periphery conducting area around window area；
The homogeneous conductive circuit of window area sheet resistance is had to be lower than when periphery conducting area is arranged simultaneously.
10. a kind of preparation method of invaginating metal grill transparent electric heating film according to claim 9, it is characterised in that:
Add UV absorption nano-powder particles in the light-transmitting resin layer and surface of transparent substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811369649.5A CN109413775A (en) | 2018-11-17 | 2018-11-17 | A kind of invaginating metal grill transparent electric heating film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811369649.5A CN109413775A (en) | 2018-11-17 | 2018-11-17 | A kind of invaginating metal grill transparent electric heating film and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109413775A true CN109413775A (en) | 2019-03-01 |
Family
ID=65473659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811369649.5A Pending CN109413775A (en) | 2018-11-17 | 2018-11-17 | A kind of invaginating metal grill transparent electric heating film and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109413775A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2891574Y (en) * | 2006-03-30 | 2007-04-18 | 崔海宁 | Electric heated defrosting windshield glass |
| CN204332412U (en) * | 2014-12-24 | 2015-05-13 | 上海蓝沛新材料科技股份有限公司 | Low square resistance transparent conductive film |
| CN104966588A (en) * | 2015-07-04 | 2015-10-07 | 厦门变格新材料科技有限公司 | Method of preparing nano-level metal grid transparent conductive film |
| CN209419888U (en) * | 2018-11-17 | 2019-09-20 | 吴江友鑫新材料科技有限公司 | A kind of invaginating metal grill transparent electric heating film |
-
2018
- 2018-11-17 CN CN201811369649.5A patent/CN109413775A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2891574Y (en) * | 2006-03-30 | 2007-04-18 | 崔海宁 | Electric heated defrosting windshield glass |
| CN204332412U (en) * | 2014-12-24 | 2015-05-13 | 上海蓝沛新材料科技股份有限公司 | Low square resistance transparent conductive film |
| CN104966588A (en) * | 2015-07-04 | 2015-10-07 | 厦门变格新材料科技有限公司 | Method of preparing nano-level metal grid transparent conductive film |
| CN209419888U (en) * | 2018-11-17 | 2019-09-20 | 吴江友鑫新材料科技有限公司 | A kind of invaginating metal grill transparent electric heating film |
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