CN109168315A - Broadband light transmission shields Material cladding structure and compound glass and OCA gum structure - Google Patents
Broadband light transmission shields Material cladding structure and compound glass and OCA gum structure Download PDFInfo
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- CN109168315A CN109168315A CN201811233144.6A CN201811233144A CN109168315A CN 109168315 A CN109168315 A CN 109168315A CN 201811233144 A CN201811233144 A CN 201811233144A CN 109168315 A CN109168315 A CN 109168315A
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- 239000000463 material Substances 0.000 title claims abstract description 64
- 230000005540 biological transmission Effects 0.000 title claims abstract description 27
- 238000005253 cladding Methods 0.000 title claims abstract description 21
- 239000011521 glass Substances 0.000 title claims abstract description 15
- 150000001875 compounds Chemical class 0.000 title claims abstract description 11
- 239000000758 substrate Substances 0.000 claims abstract description 33
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 238000002834 transmittance Methods 0.000 claims abstract description 6
- 239000002131 composite material Substances 0.000 claims description 13
- 238000010276 construction Methods 0.000 claims description 13
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 claims description 4
- FYIBGDKNYYMMAG-UHFFFAOYSA-N ethane-1,2-diol;terephthalic acid Chemical compound OCCO.OC(=O)C1=CC=C(C(O)=O)C=C1 FYIBGDKNYYMMAG-UHFFFAOYSA-N 0.000 claims description 3
- 238000009738 saturating Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000003287 optical effect Effects 0.000 abstract description 5
- 230000000295 complement effect Effects 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 238000005728 strengthening Methods 0.000 abstract description 2
- 239000011159 matrix material Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- -1 glycol ester Chemical class 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical group [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 208000007578 phototoxic dermatitis Diseases 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- KUCOHFSKRZZVRO-UHFFFAOYSA-N terephthalaldehyde Chemical compound O=CC1=CC=C(C=O)C=C1 KUCOHFSKRZZVRO-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
- H05K9/0086—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising a single discontinuous metallic layer on an electrically insulating supporting structure, e.g. metal grid, perforated metal foil, film, aggregated flakes, sintering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/02—Layer formed of wires, e.g. mesh
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/09—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/045—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/40—Adhesives in the form of films or foils characterised by release liners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/103—Metal fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/212—Electromagnetic interference shielding
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Broadband light transmission shields Material cladding structure and compound glass and OCA gum structure.It mainly solves the problems, such as all realize higher electromagnetic shielding protective benefits in good broadband now.It is characterized by comprising first base material layer, the second substrate layer and third substrate layer, it is equipped with metallic shield clathrum between the first base material layer and second substrate layer, transparency conducting layer is equipped between second substrate layer and the third substrate layer.The present invention provides broadband light transmission shielding Material cladding structure and compound glass and OCA gum structure, make full use of the complementary effect of metallic shield grid low-resistance characteristic Yu ITO material high resistant characteristic, and by PET matrix Material cladding at multiple integral structure, on the basis of guaranteeing light transmittance and eliminating Moire fringe, reach good electromagnetic shielding protection effect in broadband, the design and producing for promoting and improving high-quality Transparent shielding material are horizontal, can be widely applied to the electromagnetic protection design and strengthening reconstruction of all kinds of optical windows.
Description
Technical field
The present invention relates to electromagnetic shielding material design and preparation fields, and in particular to shields Material cladding to broadband light transmission
Structure.
Background technique
In many electromagnetic shielding materials, it should be selected according to the different classifications of purposes.It, can such as conventional shielding demand
Select the electromagnetic shielding material with satisfactory electrical conductivity and magnetic conductivity.But it is directed to the special shielding demand of all kinds of optical windows, such as
Personnel's light inlet window, display, optical sensor etc. need to select Transparent shielding material.Metal is always to shield material as good conductor
The first choice of material, but due to the opaque property of metal, it is not able to satisfy light transmission demand.Early stage is generally using screen net structure as light transmission
Shielding material.In recent years, with the continuous improvement to the requirements such as light transmittance index and scantling specification, domestic and international many companies
And research institution expands research to novel transparent conductive shielding material.The Transparent shielding material or structure of existing mainstream mainly have
Silk screen class, film layer class, three kinds of grid class.Wherein, shielding web material is Transparent shielding material the most traditional, but thoroughly due to it
Photosensitiveness is low, visual effect is poor, is usually used in low-end product and light transmission occasion of less demanding；Though transparent conductive film layer material is saturating
Optical property is good, but due to conductivity one to two orders of magnitude poor compared with metal, electromagnet shield effect is not overall high；Metal grill
Material is the development with precise machining process and a kind of novel transparent shielding material occurred, produces in high-end transparency electromagnetic wave shield
It is most widely used in product, but due to its mesh-structured feature, shield effectiveness is reduced with the raising of frequency, in high band screen
It is bad to cover efficiency.The above list class material is difficult in broadband all to realize higher electromagnetic shielding protection because of respective inherent defect
Efficiency.
Summary of the invention
In order to overcome the shortcomings of that background technique, the present invention provide broadband light transmission and shield Material cladding structure, mainly solve
The problem of all can not realizing higher electromagnetic shielding protective benefits in broadband well now.
The technical scheme adopted by the invention is that:
Broadband light transmission shields Material cladding structure, including first base material layer, the second substrate layer and third substrate layer, described
Metallic shield clathrum, second substrate layer and the third substrate are equipped between first base material layer and second substrate layer
Transparency conducting layer is equipped between layer.
First base material layer, the second substrate layer and third substrate layer are ethylene glycol terephthalate film layer.
The directionless random grid that the metallic shield clathrum selects line width to be greater than 180 less than 10 μm, mesh number.
So transparency conducting layer is indium tin oxide transparent conductive layer.
The transparent conductive layer selects ITO material of the surface resistance less than 5 ohm, and light transmittance is greater than 80%.
A kind of compound glass is equipped with compound including the glass substrate layer above having between the upper and lower glass substrate layer
Structure, the composite construction are that above-mentioned broadband light transmission shields Material cladding structure.
A kind of OCA gum structure, including the first protective film layer, the second protective film layer, OCA gum layer, second protection
Film layer is set to OCA gum layer bottom, and composite construction, institute are equipped between first protective film layer and the OCA gum layer
Stating composite construction is that above-mentioned broadband light transmission shields Material cladding structure.
The beneficial effects of the present invention are: the present invention provide broadband light transmission shielding Material cladding structure and compound glass and
OCA gum structure makes full use of the complementary effect of metallic shield grid low-resistance characteristic Yu ITO material high resistant characteristic, and by PET
Basis material is combined into multiple integral structure, on the basis of guaranteeing light transmittance and eliminating Moire fringe, reaches in broadband
To good electromagnetic shielding protection effect, the design and producing for promoting and improving high-quality Transparent shielding material are horizontal, can be wide
General electromagnetic protection design and strengthening reconstruction applied to all kinds of optical windows.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of one embodiment of the invention.
Fig. 2 is the schematic cross-sectional view of compound glass of the invention.
Fig. 3 is the schematic cross-sectional view of OCA gum structure of the invention.
Fig. 4 is the metal random grid structural schematic diagram of one embodiment of the invention.
Fig. 5 is metal random grid in 10kHz~26.5GHz range inner shield Efficacy Results schematic diagram.
Fig. 6 is ITO conductive film layer in 10kHz~26.5GHz range inner shield Efficacy Results schematic diagram.
Fig. 7 is composite construction and homogenous material shield effectiveness calculated result comparison diagram.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings: broadband light transmission shields Material cladding structure, including first
Substrate layer 1, the second substrate layer 2 and third substrate layer 3 are equipped with metal screen between the first base material layer and second substrate layer
Clathrum 4 is covered, transparency conducting layer 5 is equipped between second substrate layer and the third substrate layer.
First base material layer 1, the second substrate layer 2 and third substrate layer 3 are ethylene glycol terephthalate film layer.Terephthaldehyde
Sour glycol ester (i.e. PET) material transmissivity is up to 90%；There is excellent physical mechanical property in wide temperature range, draw
Stretch intensity height；Electrical insulating property is excellent under high-temperature high-frequency, creep resistance, fatigue durability, rub resistance, good stability of the dimension.
The directionless random grid that the metallic shield clathrum selects line width to be greater than 180 less than 10 μm, mesh number.Stochastic Networks
The aperiodicity arrangement of lattice can eliminate Moire fringe, have splendid light transmission and low frequency electromagnetic shield effectiveness.As
Preferred embodiment, broadband light transmission shield metallic shield clathrum in Material cladding structure and select 8 μm of line widths, 2 μ m thicks, 200 mesh
The directionless random grid of specification.
So transparency conducting layer is tin indium oxide transparent conductive layer.
The transparent conductive layer selects ITO material of the surface resistance less than 5 ohm, and light transmittance is greater than 80%.According to
Following table surface resistance formula, can be calculated material electric conductivity.
It is imitative that quasi-periodic structure electromagnetism Flow Field Numerical can be used in the electromagnet shield effect of broadband light transmission shielding Material cladding structure
True method is calculated, and result is shown in Fig. 7 compared with metal grill and ITO material.As can be seen that broadband light transmission shields material
The electromagnet shield effect of material composite construction is within the scope of 10kHz~26.5GHz more than 67dB.
Broadband light transmission shield Material cladding structure in transparent conductive layer select surface resistance be 3 ohm, with a thickness of
The ITO material of 600nm is 5 × 106S/m according to formula (1) its conductivity.The electromagnet shield effect of the list class material can be used
Following formula calculates, and is as a result shown in Fig. 6.
A kind of compound glass is equipped with compound including the glass substrate layer 6 above having between the upper and lower glass substrate layer
Structure, the composite construction are that above-mentioned broadband light transmission shields Material cladding structure.
A kind of OCA gum structure, including the first protective film layer 71, the second protective film layer 72,
OCA gum layer 73, second protective film layer 72 are set to 73 bottom of OCA gum layer, first protective film
Composite construction is equipped between layer 71 and the OCA gum layer, the composite construction is multiple for above-mentioned broadband light transmission shielding material
Close structure.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
The embodiment being described with reference to the drawings is exemplary, it is intended to is used to explain the present invention, and be should not be understood as to this hair
Bright limitation.Embodiment is not construed as limitation of the present invention, but any based on spiritual improvements introduced of the invention, all should be
Within protection scope of the present invention.
Claims (7)
1. broadband light transmission shield Material cladding structure, it is characterised in that: including first base material layer (1), the second substrate layer (2) and
Third substrate layer (3) is equipped with metallic shield clathrum (4) between the first base material layer and second substrate layer, and described the
Transparency conducting layer (5) are equipped between two substrate layers and the third substrate layer.
2. broadband light transmission according to claim 1 shields Material cladding structure, it is characterised in that: first base material layer (1),
Second substrate layer (2) and third substrate layer (3) are ethylene glycol terephthalate (PET) film layer.
3. broadband light transmission according to claim 1 shields Material cladding structure, it is characterised in that: the metallic shield net
The directionless random grid that compartment selects line width to be greater than 180 less than 10 μm, mesh number.
4. broadband light transmission according to claim 1 shields Material cladding structure, it is characterised in that: so transparency conducting layer
For tin indium oxide (ITO) transparency conducting layer.
5. broadband light transmission according to claim 1 shields Material cladding structure, it is characterised in that: the tin indium oxide is saturating
Bright conductive layer selects ITO material of the surface resistance less than 5 ohm, and light transmittance is greater than 80%.
6. a kind of compound glass, it is characterised in that: including the glass substrate layer (6) above having, the upper and lower glass substrate layer
Between be equipped with composite construction, the composite construction is that broadband light transmission shielding material described in claim 1-5 any one is multiple
Close structure.
7. a kind of OCA gum structure, it is characterised in that: including the first protective film layer (71), the second protective film layer (72), OCA back
Glue-line (73), second protective film layer (72) be set to OCA gum layer (73) bottom, first protective film layer (71) and
Composite construction is equipped between the OCA gum layer, the composite construction is that broadband described in claim 1-5 any one is saturating
Light shielding material composite construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811233144.6A CN109168315B (en) | 2018-10-23 | 2018-10-23 | Broadband light-transmitting shielding material composite structure, composite glass and OCA back glue structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811233144.6A CN109168315B (en) | 2018-10-23 | 2018-10-23 | Broadband light-transmitting shielding material composite structure, composite glass and OCA back glue structure |
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| Publication Number | Publication Date |
|---|---|
| CN109168315A true CN109168315A (en) | 2019-01-08 |
| CN109168315B CN109168315B (en) | 2023-12-08 |
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| CN201811233144.6A Active CN109168315B (en) | 2018-10-23 | 2018-10-23 | Broadband light-transmitting shielding material composite structure, composite glass and OCA back glue structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109996431A (en) * | 2019-05-05 | 2019-07-09 | 江苏铁锚玻璃股份有限公司 | High-performance shield glass and preparation method thereof |
| CN112867379A (en) * | 2021-01-08 | 2021-05-28 | 中国科学院宁波材料技术与工程研究所 | Transparent ultra-wideband strong electromagnetic shielding device and preparation method thereof |
| CN113795132A (en) * | 2021-08-13 | 2021-12-14 | 深圳市志凌伟业光电有限公司 | Electromagnetic shielding member and display |
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|---|---|---|---|---|
| CN109996431A (en) * | 2019-05-05 | 2019-07-09 | 江苏铁锚玻璃股份有限公司 | High-performance shield glass and preparation method thereof |
| CN109996431B (en) * | 2019-05-05 | 2023-11-10 | 江苏铁锚玻璃股份有限公司 | High-performance shielding glass and preparation method thereof |
| CN112867379A (en) * | 2021-01-08 | 2021-05-28 | 中国科学院宁波材料技术与工程研究所 | Transparent ultra-wideband strong electromagnetic shielding device and preparation method thereof |
| CN113795132A (en) * | 2021-08-13 | 2021-12-14 | 深圳市志凌伟业光电有限公司 | Electromagnetic shielding member and display |
| CN113795132B (en) * | 2021-08-13 | 2024-04-05 | 深圳市志凌伟业光电有限公司 | Electromagnetic shielding member and display |
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|---|---|
| CN109168315B (en) | 2023-12-08 |
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