CN2929917Y - Structure of optic film - Google Patents
Structure of optic film Download PDFInfo
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- CN2929917Y CN2929917Y CN 200520142794 CN200520142794U CN2929917Y CN 2929917 Y CN2929917 Y CN 2929917Y CN 200520142794 CN200520142794 CN 200520142794 CN 200520142794 U CN200520142794 U CN 200520142794U CN 2929917 Y CN2929917 Y CN 2929917Y
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- film structure
- optic film
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- electromagnetic shielding
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Abstract
The utility model is an optical membrane structure, specially to the structure which is carry out applying by electromagnetic wave shelter(EMI) floor and other optical membrane, improved the defects of the luminous transmittance decrease and the haze increase which are generating when the known electromagnetic wave shelter floor and other optical membrane binding. The optical membrane structure of the utility model, comprising a electromagnetic wave shelter floor with a netted metal side and a transparent back side, and a near infrared absorption(NIR) side, which face side coating a proper thickness PSA glue and applying with the netted metal side of the electromagnetic wave shelter(EMI) floor, wherein the PSA glue which is coated and applied carry out de-aerating process through high pressure de-aerating step, thereby drive the original residual air and bubble space fully out, and achieved the transparent effective.
Description
Technical field
The utility model relates to a kind of structure of blooming, particularly with the structure that adhesive agent become of PSA glue as combination between electromagnetic shielding (EMI) layer and near infrared ray (NIR) absorption layer.
Background technology
The common design of blooming of light-emitting devices such as known electricity slurry flat-panel screens and cathode-ray tube display is considered to comprise, because of the doubt of electromagnetic wave emission problem unsoundness aspect, so have metalloid network structure in its optic film structure with electromagnetic wave shielding; Secondly, when extraneous light passed through optical filter, extraneous light can reflex to user's eyes and produce dizzy phenomenon; Moreover, because the light pattern that display equipment sent must meet the requirement of high color purity and brightness etc., therefore, having electromagnetic wave proof layer (EMI) and keep relevant optical property to comprise the optic film structure and the method for making of tool antireflection or absorption near infrared ray, is the problem that continues research and development for industry.
About aforesaid blooming with EMI safeguard function, for example US 2,002,180,324 bulletin patents are to disclose a kind of metal mesh with enough transmittances, it is coated with blooming that transparent resin constituted, be characterised in that the composition that uses transparent resin and the transmittance that can keep blooming, do not comprise the performance of other antireflection or absorption near infrared ray precisely because only disclose transmittance, and the method for making of this electromagnetic wave proof layer still dislike complicated.Moreover known techniques is for the method for making with EMI protective layer, and key step must comprise the transparence program of metal mesh part, otherwise can't promote the transmissivity of blooming and improve its mist degree, and causes the transmissivity reduction of product integral body; Yet this transparence program key is the use of transparent resin, must be able to accurately control the prescription and the operating conditions of resin, and the demand that causes research and development and operating manpower also is relativity to be increased.
This case applicant's previous patent, No. the 592nd, 035, TaiWan, China patent announcement discloses a kind of electromagnetic shielding layer structure and manufacture method.Wherein, structure comprises: a transparent base has first and second; And a reticular membrane, have first with second, this reticular membrane first face is coated with a pressure-sensing glue of a suitable thickness, second applying of first of this reticular membrane and this transparent base.Its method for making comprises: a reticular membrane is fitted on the surface of a transparent base; An and pressure-sensing glue that on this reticular membrane this reticular membrane surface relative, is coated with a suitable thickness with this transparent base binding face.Yet, not disclosing a kind of optic film structure in the aforementioned patent as yet, it has the electromagnetic wave proof layer and keeps relevant optical property, comprises the tunic of tool antireflection or absorption near infrared ray.
Summary of the invention
In order to overcome deficiency of the prior art, the purpose of this utility model provides the structure of (NIR) function that has near-infrared absorbing and electromagenetic wave radiation protection (EMI) function, it is characterized in that the electromagnetic shielding layer in the conventional construction is combined with near infrared ray absorption layer, utilize going up and handling of near infrared ray absorption layer, to reach the optical property of transparence and reduction mist degree near the net metal face side coating PSA glue and the deaeration of electromagnetic shielding layer.
To achieve these goals, the utility model provides a kind of optic film structure, it is characterized in that: comprise at least: an electromagnetic shielding layer, its tool transparent base face and net metal face; And a near infrared ray absorption layer, its net metal face side near this electromagnetic shielding layer is coated with one deck adhesive agent or solid and fits with the net metal face of this electromagnetic shielding layer.
The advantage that the utlity model has: the electromagnetic shielding layer in the conventional construction is combined with near infrared ray absorption layer, utilize going up and handling of near infrared ray absorption layer, to reach the optical property of transparence and reduction mist degree near the net metal face side coating PSA glue and the deaeration of electromagnetic shielding layer.Compare the processing procedure of known techniques simultaneously, significantly reduce the operation of application step, and the improvement of this processing procedure and condition, not only the effect of rete quantity is simplified in acquisition, also makes to be made into the quality homogeneous and to reduce production cost.
Description of drawings
Fig. 1 is known optic film structure synoptic diagram;
Fig. 2 is an optic film structure synoptic diagram of the present utility model;
Fig. 3 is for implementing the making process flow diagram of this utility model optic film structure;
High pressure deaeration step and implementation condition example that Fig. 4 carries out for the optic film structure of finishing applying according to the utility model.
Description of reference numerals: 01-electromagnetic shielding layer; The 02-pressure-sensing glue; The 03-release film; The 04-glass substrate; The 05-near infrared ray absorption layer; 06-PSA glue.
Embodiment
Relevant technology contents of the present utility model and enforcement means are with reference to description of drawings preferred embodiment of the present utility model.The 1st figure is known optic film structure synoptic diagram, and this structure mainly comprises: an electromagnetic shielding layer 01, and it has first and second; And two release films 03, it is coated with the pressure-sensing glue 02 of a suitable thickness, and respectively with first and second applying of transparency carrier.The method for making of known optic film structure is that the transparent base with net metal is provided earlier; Be coated with a pressure-sensing glue 02 of a suitable thickness first of this transparent base 01 and second side, fit with release film 03 respectively then.
The 2nd figure is an optic film structure synoptic diagram of the present utility model, and the 3rd figure is then for implementing the making process flow diagram of this optic film structure.This structure mainly comprises: an electromagnetic shielding layer 01, it has transparent base face and net metal face, this net metal face system fits with this transparent base with adhesive agent or solid, wherein transparent base can be polyethylene terephthalate (PET) material or triacetate fiber (TAC), net-shaped metal layer can be the metal net shaped layer of copper, adhesive agent or solid can be PSA glue, UV glue or hot melt adhesive one of them.And a near infrared ray absorption layer 05, its net metal face side near this electromagnetic shielding layer 01 is coated with the PSA glue 06 of a suitable thickness and fits with the net metal face of this electromagnetic shielding layer 01.This structure more is included in the transparent base face side of electromagnetic shielding layer 01, fits with glass substrate 04 with adhesive agent or solid in addition.Adhesive agent or solid can be PSA glue or hot melt adhesive one of them; Perhaps for PSA glue, UV kenel or heat melt kenel one of them.The adhesion layer of coating is to reach transparence through high pressure deaeration step after applying is finished, and is transparent adhesion layer.
The making of the utility model optic film structure, system at first provides one to have copper wire and be made on the electromagnetic shielding layer 01 of netted PET transparent base, the net metal face and TOYOBO NIR (trade name) near infrared ray absorption layer 05 of this electromagnetic shielding layer 01 are fitted, and this near infrared ray absorption layer 05 has been coated with one deck PSA glue 06 as adhesive agent before fitting.After finishing above-mentioned applying program, promptly carry out high pressure deaeration step,, carry out the transparence step simultaneously and can reduce mist degree so that original residual air and bubble space are driven out of totally, the operating conditions and the number of operations of this its mesohigh deaeration step, visual deaeration situation and adjusting.For example the optic film structure that demonstration is finished applying according to the utility model among the 4th figure carries out primary high pressure deaeration step, it imposes a condition and is pressure 6.5kgf, 65 ℃ of temperature, and time/batch 20mins/25 piece, its result produces the first half of bubble in the joint place; Through carrying out secondary high pressure deaeration, it imposes a condition and is pressure 6.5kgf, 65 ℃ of temperature, and time/batch 25mins/24 piece, its result produces the center line part that bubble is shifted to the joint place; When carry out the step of high pressure deaeration for the third time after, its result all is removed for previous bubble, and high pressure deaeration for the third time, it imposes a condition and is pressure 7.0kgf, 65 ℃ of temperature, and time/batch 50mins/25 piece.
More above-mentioned the utility model is finished the optic film structure of applying, in the transparence and opacification test result such as the table one that carry out high pressure deaeration step front and back; Wherein, the commercial goods of similar optical film structure is listed in the control group of test experiments.Test result as shown in Table 1, the utility model is finished the optic film structure of applying, finish the high pressure deaeration after, its haze value reduces to 5.40 from 49.9; Even the commercial goods after this high pressure deaeration step of the present utility model, also can present same effect.In addition, the utility model is finished the optic film structure of applying, no matter at the product yield, the test data of brightness and other optical property partly, the demand that also all meets client, the specification demand of panel manufacturing firm for example, yet, above-mentioned method for making of the present utility model, the processing procedure of comparing known techniques significantly reduces the operation of application step, but still possess the every optical characteristics in the original structure, and the improvement of this processing procedure and condition, not only the effect of rete quantity is simplified in acquisition, also makes to be made into the quality homogeneous and to reduce production cost.
Though the utility model discloses as above with preferred embodiment; right its is not in order to limit the utility model; any personage who is familiar with this skill; in not breaking away from spirit of the present utility model and scope; when doing a little change and retouching, therefore protection domain of the present utility model is as the criterion when looking accompanying the claim person of defining.
Table one the utility model is finished the optic film structure of applying in the transparence test of carrying out high pressure deaeration step front and back
| Sample | Y | x | y | ?L | ?A | ?b | ?ΔL | ?Δa | ?Δb | ?Δ ?Eab | Haze value | |
| Transparence not | The commercial goods | 81.10 | .3124 | .3204 | ?90.06 | ?-0.92 | ?1.93 | ?1.03 | ?0.13 | ?0.75 | ?1.28 | ?47.70 |
| The utility model sample | 79.25 | ?.3114 | ?.3188 | ?89.13 | ?-0.61 | ?1.13 | ?49.90 | |||||
| Transparence | The commercial goods | 81.86 | ?03132 | ?.3215 | ?90.47 | ?-1.06 | ?2.48 | ?1.44 | ?0.27 | ?1.30 | ?1.96 | ?5.65 |
| The utility model sample | 79.26 | ?03112 | ?.3189 | ?89.03 | ?-0.79 | ?1.18 | ?5.40 |
Annotate: commercial goods and during, its haze value about 47.70 without high pressure deaeration step process of the present utility model; High pressure deaeration step process of the present utility model being carried out in the commercial goods herein, is that explanation means of the present utility model also can be spreaded to known product.
In sum, only be preferred embodiment of the present utility model, when can not with the scope implemented of qualification the present invention.Promptly the equalization of being done according to the utility model claim generally changes and modifies, and all should still belong in the scope that patent of the present invention contains.
Claims (9)
1. optic film structure is characterized in that: comprise at least:
One electromagnetic shielding layer, its tool transparent base face and net metal face; And
One near infrared ray absorption layer, its net metal face side near this electromagnetic shielding layer are coated with one deck adhesive agent or solid and fit with the net metal face of this electromagnetic shielding layer.
2. optic film structure as claimed in claim 1, the transparent base face side of this electromagnetic shielding layer are fitted with glass substrate with adhesive agent or solid in addition.
3. optic film structure as claimed in claim 1 is characterized in that, the adhesive agent of coating or solid be PSA glue or hot melt adhesive one of them.
4. optic film structure as claimed in claim 2 is characterized in that, adhesive agent or solid can be PSA glue, UV kenel or heat melt kenel one of them.
5. optic film structure as claimed in claim 1 is characterized in that, the adhesion layer of coating is transparent adhesion layer.
6. optic film structure as claimed in claim 1 is characterized in that, the electromagnetic shielding layer comprises at least:
One transparent base; And
One net-shaped metal layer, it is to fit with this transparent base with adhesive agent or solid.
7. optic film structure as claimed in claim 6 is characterized in that transparent base can be polyethylene terephthalate material or triacetate fiber.
8. optic film structure as claimed in claim 6 is characterized in that, net-shaped metal layer can be the metal net shaped layer of copper.
9. optic film structure as claimed in claim 6 is characterized in that, adhesive agent or solid can be PSA glue, UV glue or hot melt adhesive one of them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520142794 CN2929917Y (en) | 2005-12-23 | 2005-12-23 | Structure of optic film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520142794 CN2929917Y (en) | 2005-12-23 | 2005-12-23 | Structure of optic film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2929917Y true CN2929917Y (en) | 2007-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520142794 Expired - Fee Related CN2929917Y (en) | 2005-12-23 | 2005-12-23 | Structure of optic film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2929917Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102423951A (en) * | 2011-10-20 | 2012-04-25 | 番禺南沙殷田化工有限公司 | Method for attaching protective film to fine-pitch film circuit |
-
2005
- 2005-12-23 CN CN 200520142794 patent/CN2929917Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102423951A (en) * | 2011-10-20 | 2012-04-25 | 番禺南沙殷田化工有限公司 | Method for attaching protective film to fine-pitch film circuit |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |