CN111596398A - Light guide polaroid for LED screen and production method thereof - Google Patents
Light guide polaroid for LED screen and production method thereof Download PDFInfo
- Publication number
- CN111596398A CN111596398A CN202010402496.0A CN202010402496A CN111596398A CN 111596398 A CN111596398 A CN 111596398A CN 202010402496 A CN202010402496 A CN 202010402496A CN 111596398 A CN111596398 A CN 111596398A
- Authority
- CN
- China
- Prior art keywords
- light
- layer
- polarization
- light guide
- polarizer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
- G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
- G02B5/305—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks including organic materials, e.g. polymeric layers
-
- 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
- B32B1/00—Layered products having a general shape other than plane
-
- 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
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Polarising Elements (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a light guide polaroid for an LED screen and a production method thereof, belonging to the technical field of light guide polaroids. The net-shaped film is extruded into an arc shape by adopting mould pressing and molding, and the finally molded light guide polaroid has radian and is suitable for LED lamps with various shapes; and the outer glass fiber reinforced plastic forms a protective layer of the light guide polaroid, so that the light guide polaroid is moisture-proof and is not easy to depolarize, and the strength of the light guide polaroid is effectively improved by the reinforcing material in the outer glass fiber reinforced plastic.
Description
Technical Field
The invention relates to the technical field of light guide polaroids, in particular to a light guide polaroid for an LED screen and a production method thereof.
Background
The polarizing plate is an optical element capable of converting natural light into polarized light, has two types of functions of shading and transmitting incident light, namely black and white and color, and can be divided into three types of transmission, transflective and reverse transmission according to application. The artificial polaroids are various, one of the methods is to use a macromolecular compound polyvinyl alcohol film with a net structure as a substrate, dip-dye iodine with strong dichroism, reduce and stabilize the film by boric acid aqueous solution, and then stretch the film in a single direction by 4-5 times to prepare the artificial polaroid, and after stretching, iodine molecules are orderly adsorbed and arranged on the film, so that the polarization of the polaroid is high and can reach 99.5 percent, and the artificial polaroid is suitable for the whole visible light range, has a wide application range, has the defects of poor strength, no dampness and easy depolarization, is flat in the shape of the existing light guide polaroid, and is not suitable for LED lamps with different shapes.
Disclosure of Invention
The invention aims to provide a light guide polaroid for an LED screen and a production method thereof, wherein a net-shaped film is extruded into an arc shape by adopting mould pressing and molding, and the finally formed light guide polaroid has radian and is suitable for LED lamps with various shapes; and the outer glass fiber reinforced plastic forms a protective layer of the light guide polaroid, so that the light guide polaroid is moisture-proof and is not easy to depolarize, and the reinforcing material in the outer glass fiber reinforced plastic effectively improves the strength of the light guide polaroid so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a LED screen is with leaded light polaroid, includes outer glass steel layer, goes up polarization leaded light layer, interior glue film and lower polarization leaded light layer, it all is the arc with lower polarization leaded light layer to go up polarization leaded light layer, and bonds each other through interior glue film between the two, it has outer glass steel layer to go up the coating on the surface on polarization leaded light layer and lower polarization leaded light layer.
Further, the upper polarization light guide layer and the lower polarization light guide layer are formed by sequentially overlapping a polarization film, an inner protection film, a pressure sensitive adhesive layer and an outer protection film from inside to outside.
Further, the inner glue layer is transparent soft glue.
Further, one of the upper polarized light guide layer and the lower polarized light guide layer is a transverse light polarizer, and the other is a longitudinal light polarizer.
Further, the upper polarized light guide layer and the lower polarized light guide layer are both transverse light polarizers.
Further, the upper polarized light guide layer and the lower polarized light guide layer are both longitudinal light polarizers.
According to another aspect of the present invention, there is provided a method for producing a light guiding polarizer for an LED panel, comprising the steps of:
s1: manufacturing a transverse light polarization plate;
s2: manufacturing a longitudinal light polarization plate;
s3: gluing the transverse light polarization plate and the longitudinal light polarization plate, spraying PVC glue with the thickness of less than 5 microns on the surface of the transverse light polarization plate by a glue sprayer, placing the longitudinal light polarization plate, and performing static pressure until the PVC glue is solidified;
s4: manually pasting an outer glass fiber reinforced plastic layer, mixing and stirring a curing agent, resin and a reinforcing material to form a gel coat, repeatedly brushing the gel coat on the outer surfaces of the transverse light polarization plate and the longitudinal light polarization plate, soaking the resin, removing air bubbles, and standing for molding.
Further, S1 includes the steps of:
s101: selecting a macromolecular compound polyvinyl alcohol film with a transverse net structure as a substrate, and putting the substrate into an arc-shaped die for extrusion molding;
s102: iodine having strong dichroism is impregnated on a substrate;
s103: immersing the substrate in the S102 into a boric acid aqueous solution for reduction and stabilization;
s104: stretching the substrate in a single direction by 4-5 times to obtain a polarizing film;
s105: and sequentially placing the outer protective film, the pressure-sensitive adhesive layer, the inner protective film, the polarizing film, the inner protective film, the pressure-sensitive adhesive layer and the outer protective film into an arc-shaped die for lamination to obtain the transverse light polarizing plate.
Further, in S101, a polymer polyvinyl alcohol film with a longitudinal network structure is selected as a substrate, and step S1 is repeated to obtain a longitudinal light polarizing plate.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a light guide polaroid for an LED screen and a production method thereof.A high molecular compound polyvinyl alcohol film with a net structure is extruded into an arc shape by adopting mould pressing and molding, and iodine solution and boric acid aqueous solution are sequentially impregnated on the basis of an arc substrate to prepare a polarizing film, so that the finally formed light guide polaroid has radian and is suitable for LED lamps with various shapes; transparent outer glass steel is pasted to the inside and outside layer hand of light guide polaroid, and outer glass steel forms the inoxidizing coating of light guide polaroid for the dampproofing and difficult depolarization that moves back of light guide polaroid, and reinforcing material in the outer glass steel effectively improves light guide polaroid intensity.
Drawings
Fig. 1 is an overall structural view of a light guiding polarizer for an LED panel according to a first embodiment of the present invention;
fig. 2 is a structural diagram of an upper polarization light guide layer of a light guide polarizer for an LED panel according to a first embodiment of the present invention;
fig. 3 is a schematic diagram of S101 in a method for producing a light guiding polarizer for an LED panel according to a first embodiment of the present invention;
fig. 4 is a schematic diagram of S104 in a method for producing a light guiding polarizer for an LED panel according to a first embodiment of the present invention;
fig. 5 is a schematic diagram of S3 in the method for producing a light guiding polarizer for an LED panel according to the first embodiment of the present invention;
fig. 6 is a schematic diagram of S4 in the method for producing a light guiding polarizer for an LED panel according to the first embodiment of the present invention;
fig. 7 is a flowchart of a method for producing a light guiding polarizer for an LED panel according to a first embodiment of the present invention;
FIG. 8 is a flow chart of S1 in the method for producing a light guiding polarizer for an LED panel according to the present invention;
fig. 9 is a flowchart of a method for producing a light guiding polarizer for an LED panel according to a second embodiment of the present invention;
fig. 10 is an overall structural view of a light guiding polarizer for an LED panel according to a second embodiment of the present invention;
fig. 11 is an overall configuration diagram of a light guiding polarizer for an LED panel according to a third embodiment of the present invention;
fig. 12 is a flowchart of a method for producing a light guiding polarizer for an LED panel according to a third embodiment of the present invention.
In the figure: 1. an outer glass fiber reinforced plastic layer; 2. an upper polarized light guide layer; 21. a polarizing film; 22. an inner protective film; 23. a pressure sensitive adhesive layer; 24. an outer protective film; 3. an inner glue layer; 4. a lower polarization light guide layer; 5. an arc-shaped die.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-2, a light guide polarizer for an LED panel includes an outer glass fiber reinforced plastic layer 1, an upper polarization light guide layer 2, an inner adhesive layer 3, and a lower polarization light guide layer 4, wherein the upper polarization light guide layer 2 and the lower polarization light guide layer 4 are both arc-shaped and are bonded to each other through the inner adhesive layer 3, the inner adhesive layer 3 is transparent soft glue, such as PVC glue, which can maintain the flexibility of the inner structure layer of the light guide polarizer, to prevent a gap from being generated between the upper polarization light guide layer 2 and the lower polarization light guide layer 4 after the glue is dried, the outer surfaces of the upper polarization light guide layer 2 and the lower polarization light guide layer 4 are coated with the outer glass fiber reinforced plastic layer 1, the upper polarization light guide layer 2 and the lower polarization light guide layer 4 are formed by sequentially overlapping from inside to outside through a pressure sensitive adhesive layer 23 and an outer protective film 24, one of the upper polarization light guide layer 2 and the lower polarization light guide layer 4 is a transverse polarization polarizer, the other is a longitudinal light polarizer.
Referring to fig. 3 to 8, in order to better show the flow of the method for producing the light guiding polarizer for the LED panel, the present embodiment provides a method for producing a light guiding polarizer for an LED panel, which includes the following steps:
s1: manufacturing a transverse light polarization plate; the method comprises the following steps:
s101: selecting a macromolecular compound polyvinyl alcohol film with a transverse net structure as a substrate, putting the substrate into an arc-shaped die 5 for extrusion molding, adopting die-pressing molding to extrude the macromolecular compound polyvinyl alcohol film with the net structure into an arc shape, and sequentially dip-dyeing iodine solution and boric acid aqueous solution on the basis of the arc-shaped substrate to prepare a polarizing film 21, so that the finally formed light guide polarizing film has a radian and is suitable for LED lamps with various shapes;
s102: iodine having strong dichroism is impregnated on a substrate;
s103: immersing the substrate in the S102 into a boric acid aqueous solution for reduction and stabilization;
s104: stretching the substrate in a single direction by 4-5 times to obtain a polarizing film 21; the polarizing film 21 at this time has a deformed arc surface due to stretching;
s105: sequentially placing the outer protective film 24, the pressure-sensitive adhesive layer 23, the inner protective film 22, the polarizing film 21, the inner protective film 22, the pressure-sensitive adhesive layer 23 and the outer protective film 24 into an arc-shaped die 5 for lamination to obtain a transverse light polarizing plate; the secondary lamination can not only press the polarizing film 21, the inner protective film 22, the pressure-sensitive adhesive layer 23 and the outer protective film 24 into an integral structure, but also correct the arc surface deformity of the polarizing film 21;
s2: manufacturing a longitudinal light polarization plate; s101, selecting a macromolecular compound polyvinyl alcohol film with a longitudinal net structure as a substrate, and repeating the step S1 to obtain a longitudinal light polarizing plate;
s3: gluing the transverse light polarization plate and the longitudinal light polarization plate; spraying PVC glue with the thickness of less than 5 microns on the surface of the transverse light polarizing plate by a glue spraying machine, then placing the longitudinal light polarizing plate, and carrying out static pressure until the PVC glue is solidified;
s4: hand pasting an outer glass fiber reinforced plastic layer 1, wherein the outer glass fiber reinforced plastic layer 1 is a transparent glass layer and has high strength, a curing agent, resin and a reinforcing material are mixed and stirred into gel coat, the gel coat is repeatedly coated on the outer surfaces of a transverse light polarizer and a longitudinal light polarizer, then cut transparent glass fiber cloth is laid, the glass fiber cloth is soaked in the resin, standing and forming are carried out after air bubbles are removed, the process of hand pasting the outer glass fiber reinforced plastic layer 1 is at normal temperature, and therefore damage to a primarily formed polarizer in S3 is avoided, the size of the light guide polarizer can be determined through cutting, trimming and other steps after forming, the outer glass fiber reinforced plastic forms a protective layer of the light guide polarizer, the light guide polarizer is moisture-proof and is not easy to depolarize, and the strength of the light guide polarizer is effectively improved by; the resin is unsaturated polyester resin or epoxy resin, the reinforcing material is alkali-free or medium-alkali glass fiber, the thickness of the outer glass fiber reinforced plastic layer 1 is less than 10 mu m, the thickness of the outer glass fiber reinforced plastic layer 1 is less than that of the upper polarization light guide layer 2, and the thicknesses of the upper polarization light guide layer 2 and the lower polarization light guide layer 4 are consistent.
Example two:
referring to fig. 9, a light guide polaroid for LED screen, including outer glass steel layer 1, go up polarization leaded light layer 2, interior glue film 3 and lower polarization leaded light layer 4, it all is the arc to go up polarization leaded light layer 2 and lower polarization leaded light layer 4, and bond each other through interior glue film 3 between the two, interior glue film 3 is transparent flexible glue water, for example PVC glue, flexible glue water can keep the flexibility of light guide polaroid inner structure layer, produce the gap after avoiding going up the glue dry crack between polarization leaded light layer 2 and the lower polarization leaded light layer 4, it has outer glass steel layer 1 to coat on the surface of polarization leaded light layer 2 and lower polarization leaded light layer 4, it constitutes by polarizing film 21 to go up polarization leaded light layer 2 and lower polarization leaded light layer 4, interior protection film 22, pressure sensitive glue layer 23 and outer protection film 24 are from interior to outer superpose in proper order, it is vertical polarization leaded light piece to go up polarization leaded light layer 2 and lower polarization leaded light layer 4.
Referring to fig. 10, in order to better show the flow of the method for producing the light guiding polarizer for the LED panel, the present embodiment provides a method for producing a light guiding polarizer for an LED panel, which includes the following steps:
s1: manufacturing a longitudinal light polarization plate; the method comprises the following steps:
s101: selecting a macromolecular compound polyvinyl alcohol film with a longitudinal net structure as a substrate, putting the substrate into an arc-shaped die 5 for extrusion molding, adopting die-pressing molding to extrude the macromolecular compound polyvinyl alcohol film with the net structure into an arc shape, and sequentially dip-dyeing iodine solution and boric acid aqueous solution on the basis of the arc-shaped substrate to prepare a polarizing film 21, so that the finally formed light guide polarizing film has a radian and is suitable for LED lamps with various shapes;
s102: iodine having strong dichroism is impregnated on a substrate;
s103: immersing the substrate in the S102 into a boric acid aqueous solution for reduction and stabilization;
s104: stretching the substrate in a single direction by 4-5 times to obtain a polarizing film 21; the polarizing film 21 at this time has a deformed arc surface due to stretching;
s105: sequentially placing the outer protective film 24, the pressure-sensitive adhesive layer 23, the inner protective film 22, the polarizing film 21, the inner protective film 22, the pressure-sensitive adhesive layer 23 and the outer protective film 24 into an arc-shaped die 5 for lamination to obtain a longitudinal light polarizing plate; the secondary lamination can not only press the polarizing film 21, the inner protective film 22, the pressure-sensitive adhesive layer 23 and the outer protective film 24 into an integral structure, but also correct the arc surface deformity of the polarizing film 21;
s2: gluing two longitudinal light polarizing plates; spraying PVC glue with the thickness of less than 5 microns on the surface of the longitudinal light polarizing plate by a glue spraying machine, then placing another longitudinal light polarizing plate, and carrying out static pressure until the PVC glue is solidified;
s3: manually pasting an outer glass fiber reinforced plastic layer 1, wherein the outer glass fiber reinforced plastic layer 1 is a transparent glass layer and has high strength, a curing agent, resin and a reinforcing material are mixed and stirred into gel coat, the gel coat is repeatedly coated on the outer surfaces of a longitudinal light polarizer and a longitudinal light polarizer, cut transparent glass fiber cloth is laid, the glass fiber cloth is soaked in the resin, and is kept stand for forming after air bubbles are removed, the process of manually pasting the outer glass fiber reinforced plastic layer 1 is at normal temperature, so that the preliminarily formed polarizer in S3 cannot be damaged, the size of the light guide polarizer can be determined through cutting, trimming and other steps after forming, the outer glass fiber reinforced plastic forms a protective layer of the light guide polarizer, the light guide polarizer is moisture-proof and is not easy to depolarize, and the strength of the light guide polarizer is effectively improved by the reinforcing; the resin is unsaturated polyester resin or epoxy resin, the reinforcing material is alkali-free or medium-alkali glass fiber, the thickness of the outer glass fiber reinforced plastic layer 1 is less than 10 mu m, the thickness of the outer glass fiber reinforced plastic layer 1 is less than that of the upper polarization light guide layer 2, and the thicknesses of the upper polarization light guide layer 2 and the lower polarization light guide layer 4 are consistent.
Example three:
referring to fig. 11, a light guide polaroid for LED screen, including outer glass steel layer 1, go up polarization leaded light layer 2, interior glue film 3 and lower polarization leaded light layer 4, it all is the arc to go up polarization leaded light layer 2 and lower polarization leaded light layer 4, and bond each other through interior glue film 3 between the two, interior glue film 3 is transparent flexible glue water, for example PVC glue, flexible glue water can keep the flexibility of light guide polaroid inner structure layer, produce the gap after avoiding going up the glue dry crack between polarization leaded light layer 2 and the lower polarization leaded light layer 4, it has outer glass steel layer 1 to coat on the surface of polarization leaded light layer 2 and lower polarization leaded light layer 4, it constitutes by polarizing film 21 to go up polarization leaded light layer 2 and lower polarization leaded light layer 4, interior protection film 22, pressure sensitive glue layer 23 and outer protection film 24 are from interior to outer superpose in proper order, it is horizontal polarizing plate to go up polarization leaded light layer 2 and lower polarization leaded light layer 4.
Referring to fig. 12, in order to better show the flow of the method for producing the light guiding polarizer for the LED panel, the present embodiment provides a method for producing a light guiding polarizer for an LED panel, which includes the following steps:
s1: manufacturing a transverse light polarization plate; the method comprises the following steps:
s101: selecting a macromolecular compound polyvinyl alcohol film with a transverse net structure as a substrate, putting the substrate into an arc-shaped die 5 for extrusion molding, adopting die-pressing molding to extrude the macromolecular compound polyvinyl alcohol film with the net structure into an arc shape, and sequentially dip-dyeing iodine solution and boric acid aqueous solution on the basis of the arc-shaped substrate to prepare a polarizing film 21, so that the finally formed light guide polarizing film has a radian and is suitable for LED lamps with various shapes;
s102: iodine having strong dichroism is impregnated on a substrate;
s103: immersing the substrate in the S102 into a boric acid aqueous solution for reduction and stabilization;
s104: stretching the substrate in a single direction by 4-5 times to obtain a polarizing film 21; the polarizing film 21 at this time has a deformed arc surface due to stretching;
s105: sequentially placing the outer protective film 24, the pressure-sensitive adhesive layer 23, the inner protective film 22, the polarizing film 21, the inner protective film 22, the pressure-sensitive adhesive layer 23 and the outer protective film 24 into an arc-shaped die 5 for lamination to obtain a transverse light polarizing plate; the secondary lamination can not only press the polarizing film 21, the inner protective film 22, the pressure-sensitive adhesive layer 23 and the outer protective film 24 into an integral structure, but also correct the arc surface deformity of the polarizing film 21;
s2: gluing two transverse light polarizing plates; spraying PVC glue with the thickness of less than 5 microns on the surface of the transverse light polarizing plate by a glue spraying machine, then placing another transverse light polarizing plate, and carrying out static pressure until the PVC glue is solidified;
s3: hand pasting an outer glass fiber reinforced plastic layer 1, wherein the outer glass fiber reinforced plastic layer 1 is a transparent glass layer and has high strength, a curing agent, resin and a reinforcing material are mixed and stirred into gel coat, the gel coat is repeatedly coated on the outer surfaces of a transverse light polarizer and a longitudinal light polarizer, then cut transparent glass fiber cloth is laid, the glass fiber cloth is soaked in the resin, standing and forming are carried out after air bubbles are removed, the process of hand pasting the outer glass fiber reinforced plastic layer 1 is at normal temperature, and therefore damage to a primarily formed polarizer in S3 is avoided, the size of the light guide polarizer can be determined through cutting, trimming and other steps after forming, the outer glass fiber reinforced plastic forms a protective layer of the light guide polarizer, the light guide polarizer is moisture-proof and is not easy to depolarize, and the strength of the light guide polarizer is effectively improved by; the resin is unsaturated polyester resin or epoxy resin, the reinforcing material is alkali-free or medium-alkali glass fiber, the thickness of the outer glass fiber reinforced plastic layer 1 is less than 10 mu m, the thickness of the outer glass fiber reinforced plastic layer 1 is less than that of the upper polarization light guide layer 2, and the thicknesses of the upper polarization light guide layer 2 and the lower polarization light guide layer 4 are consistent.
In summary, the following steps: the invention provides a light guide polaroid for an LED screen and a production method thereof.A high molecular compound polyvinyl alcohol film with a net structure is extruded into an arc shape by adopting mould pressing and molding, and iodine solution and boric acid aqueous solution are sequentially dip-dyed on the basis of an arc substrate to prepare a polarizing film 21, so that the finally formed light guide polaroid has a radian and is suitable for LED lamps with various shapes; transparent outer glass steel is pasted to the inside and outside layer hand of light guide polaroid, and outer glass steel forms the inoxidizing coating of light guide polaroid for the dampproofing and difficult depolarization that moves back of light guide polaroid, and reinforcing material in the outer glass steel effectively improves light guide polaroid intensity.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions disclosed in the present invention and the equivalent alternatives or modifications thereof within the scope of the present invention.
Claims (9)
1. The utility model provides a LED screen is with leaded light polaroid, its characterized in that, includes outer glass steel layer (1), goes up polarization leaded light layer (2), interior glue film (3) and lower polarization leaded light layer (4), it all is the arc to go up polarization leaded light layer (2) and lower polarization leaded light layer (4), and bonds each other through interior glue film (3) between the two, it has outer glass steel layer (1) to go up to coat on the surface of polarization leaded light layer (2) and lower polarization leaded light layer (4).
2. The light-guiding polarizer for LED panels according to claim 1, wherein the upper polarized light-guiding layer (2) and the lower polarized light-guiding layer (4) are formed by sequentially stacking a polarizing film (21), an inner protective film (22), a pressure-sensitive adhesive layer (23), and an outer protective film (24) from inside to outside.
3. The light-guiding polarizer for LED screens according to claim 1, wherein the inner glue layer (3) is a transparent soft glue.
4. The light-guiding polarizer for LED screens according to claim 1, wherein one of the upper (2) and lower (4) polarized light-guiding layers is a transverse light polarizer and the other is a longitudinal light polarizer.
5. The light-guiding polarizer for an LED screen according to claim 1, wherein the upper polarized light-guiding layer (2) and the lower polarized light-guiding layer (4) are both lateral light polarizers.
6. The light-guiding polarizer for an LED screen according to claim 1, wherein the upper polarized light-guiding layer (2) and the lower polarized light-guiding layer (4) are both longitudinal light polarizers.
7. A method of producing a light-guiding polarizer for LED screens according to any of claims 1 to 6, comprising the steps of:
s1: manufacturing a transverse light polarization plate;
s2: manufacturing a longitudinal light polarization plate;
s3: gluing the transverse light polarization plate and the longitudinal light polarization plate, spraying PVC glue with the thickness of less than 5 microns on the surface of the transverse light polarization plate by a glue sprayer, placing the longitudinal light polarization plate, and performing static pressure until the PVC glue is solidified;
s4: manually pasting the outer glass fiber reinforced plastic layer (1), mixing and stirring a curing agent, resin and a reinforcing material to form a gel coat, repeatedly brushing the gel coat on the outer surfaces of the transverse light polarization plate and the longitudinal light polarization plate, soaking the resin, removing air bubbles, and standing for molding.
8. The method of claim 7, wherein S1 comprises the steps of:
s101: selecting a macromolecular compound polyvinyl alcohol film with a transverse net structure as a substrate, and putting the substrate into an arc-shaped die (5) for extrusion molding;
s102: iodine having strong dichroism is impregnated on a substrate;
s103: immersing the substrate in the S102 into a boric acid aqueous solution for reduction and stabilization;
s104: stretching the substrate in a single direction by 4-5 times to obtain a polarizing film (21);
s105: and sequentially placing the outer protective film (24), the pressure-sensitive adhesive layer (23), the inner protective film (22), the polarizing film (21), the inner protective film (22), the pressure-sensitive adhesive layer (23) and the outer protective film (24) into an arc-shaped die (5) for lamination to obtain the transverse light polarizing plate.
9. The method of claim 8, wherein a polymer polyvinyl alcohol film having a longitudinal network structure is used as the substrate in S101, and the step S1 is repeated to obtain a longitudinal light polarizing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010402496.0A CN111596398A (en) | 2020-05-13 | 2020-05-13 | Light guide polaroid for LED screen and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010402496.0A CN111596398A (en) | 2020-05-13 | 2020-05-13 | Light guide polaroid for LED screen and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111596398A true CN111596398A (en) | 2020-08-28 |
Family
ID=72188669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010402496.0A Pending CN111596398A (en) | 2020-05-13 | 2020-05-13 | Light guide polaroid for LED screen and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111596398A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201421527Y (en) * | 2009-04-01 | 2010-03-10 | 厦门全圣实业有限公司 | Polarized lens with double curvature |
| CN202189164U (en) * | 2011-07-29 | 2012-04-11 | 厦门仪嘉昕工贸有限公司 | Resin polarized light eyeglass |
| CN107255844A (en) * | 2017-08-02 | 2017-10-17 | 佛山纬达光电材料有限公司 | A kind of high durable polaroid of iodine system and preparation method |
| CN206710724U (en) * | 2017-05-15 | 2017-12-05 | 徐州市宝明光学眼镜厂 | Polarized lenses and polaroid glasses |
| CN110125563A (en) * | 2019-04-30 | 2019-08-16 | 大族激光科技产业集团股份有限公司 | A method of except polarizing film iodine molecule layer |
| CN110714339A (en) * | 2019-09-20 | 2020-01-21 | 深圳市盛波光电科技有限公司 | Preparation method of UV (ultraviolet) -illumination-resistant polarizer |
| CN210803769U (en) * | 2019-11-20 | 2020-06-19 | 上海乐相科技有限公司 | Ultra-thin optical module and head-mounted display device |
-
2020
- 2020-05-13 CN CN202010402496.0A patent/CN111596398A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201421527Y (en) * | 2009-04-01 | 2010-03-10 | 厦门全圣实业有限公司 | Polarized lens with double curvature |
| CN202189164U (en) * | 2011-07-29 | 2012-04-11 | 厦门仪嘉昕工贸有限公司 | Resin polarized light eyeglass |
| CN206710724U (en) * | 2017-05-15 | 2017-12-05 | 徐州市宝明光学眼镜厂 | Polarized lenses and polaroid glasses |
| CN107255844A (en) * | 2017-08-02 | 2017-10-17 | 佛山纬达光电材料有限公司 | A kind of high durable polaroid of iodine system and preparation method |
| CN110125563A (en) * | 2019-04-30 | 2019-08-16 | 大族激光科技产业集团股份有限公司 | A method of except polarizing film iodine molecule layer |
| CN110714339A (en) * | 2019-09-20 | 2020-01-21 | 深圳市盛波光电科技有限公司 | Preparation method of UV (ultraviolet) -illumination-resistant polarizer |
| CN210803769U (en) * | 2019-11-20 | 2020-06-19 | 上海乐相科技有限公司 | Ultra-thin optical module and head-mounted display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101874222B (en) | Polarized lens and method of making polarized lens | |
| CN109733034B (en) | Polaroid and manufacturing process thereof | |
| KR101578610B1 (en) | Oriented laminate, preparing method for thin polarizer, thin polarizer manufactured by using the same and polarizing plate comprising the same | |
| CN1915650A (en) | Vacuum forming technique for sandwich structure piece of composite material of fiberglass-reinforced plastics | |
| CN102615888A (en) | Electronic product shell material laminating structure and manufacture method thereof | |
| CN109591434A (en) | A kind of honeycomb sandwich board edge bonding method | |
| CN104395075A (en) | Stretched laminated body, method for manufacturing thin polarizer, thin polarizer manufactured thereby and polarizing plate containing same | |
| JP2013525135A (en) | Solid core panels containing cosmetic and / or functional materials | |
| TW201518091A (en) | Stretched laminate, method of manufacturing thin polarizer, thin polarizer manufactured by the method, and polarizing plate including the thin polarizer | |
| CN111596398A (en) | Light guide polaroid for LED screen and production method thereof | |
| CN109343165A (en) | A kind of polarizer and its manufacturing method | |
| CN204526308U (en) | A kind of EVA solar cell glued membrane of three-decker | |
| CN202517778U (en) | Material laminated structure of electronic product shell | |
| CN104570167A (en) | Device for sticking film on lens and manufacturing method thereof | |
| CN206863397U (en) | Frame pastes foam | |
| CN102230981A (en) | Glass substrate and organosilicon compounded Fresnel lens or lens array and preparation method thereof | |
| CN112261177A (en) | Shell, manufacturing method of shell and electronic device | |
| CN106526734B (en) | Laminate, method for producing same, and method for producing polarizing film | |
| CN207775137U (en) | A kind of reflectance coating gum structure | |
| CN204116635U (en) | A kind of novel sclerosis PET white reflection film | |
| CN215620433U (en) | Embedded banding device of thermoplasticity honeycomb panel | |
| CN215360699U (en) | Processing-free molding structure for acrylic abutted seam | |
| JP2881027B2 (en) | Method for producing sheet for molding fiber-reinforced resin | |
| CN212242515U (en) | TPU protection film | |
| KR101709119B1 (en) | Method for Manufacturing Polarizing Lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200828 |