CN203465492U - Polarizing plate and liquid crystal panel - Google Patents
Polarizing plate and liquid crystal panel Download PDFInfo
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- CN203465492U CN203465492U CN201320264828.9U CN201320264828U CN203465492U CN 203465492 U CN203465492 U CN 203465492U CN 201320264828 U CN201320264828 U CN 201320264828U CN 203465492 U CN203465492 U CN 203465492U
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- polarizer
- light polarizing
- polarizing film
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Abstract
The utility model provides a polarizing plate and a liquid crystal panel, wherein the polarizing plate comprises a polarizing film, a first protection film, a second protection film, and an external protection layer. One surface of the first protection film is attached to the first surface of the polarizing film. A carbon nanotube film is pasted on one surface, which is departed from the polarizing film, of the first protection film. The carbon nanotube film is provided with a conducting circuit. The second protection film is attached to the second surface of the polarizing film. The external protection layer is attached to one surface, which is provided with the carbon nanotube film in a pasting manner, of the first protection film. According to the utility model, the carbon nanotube film is attached to the first protection film of the polarizing plate, and the first protection film is provided with the conducting circuit, thereby enabling the polarizing plate to have a function of touching, and preventing a polarizing film from being damaged by high temperature and humidity during a machining process of a conventional touch screen.
Description
Technical field
The utility model relates to display panels manufacturing technology, relates in particular to a kind of Polarizer and liquid crystal panel.
Background technology
In LCDs, liquid crystal panel in two aspects, be respectively provided with Polarizer up and down, Polarizer is to make not have the natural light of deflection polarity to be transformed into polar biased light, adds liquid crystal molecule torque characteristic, reach and control whether passing through of light, thereby improve transmittance and angular field of view.
In order to make LCDs there is touch function, conventionally adopt the directly method of integrated touch function on Polarizer, to simplify working process, to reduce cost as far as possible, and reduce thickness and the weight of LCDs.
At present, on Polarizer, make the method for touch-screen, conventionally will pass through ITO sputtering process, development etching procedure, silver slurry sintering process, and ITO sputter, development etching and silver slurry sintering exist inevitable high temperature, high humidity process, high temperature, high humidity easily make Polarizer depolarization and lose function.
Utility model content
The utility model provides a kind of Polarizer and liquid crystal panel, and high temperature, the high humidity process of for solving, making on Polarizer touch-screen existence at present easily make Polarizer lose the problem of function.
The utility model provides a kind of Polarizer on the one hand, and described Polarizer comprises:
Light polarizing film;
The first diaphragm, the one side of described the first diaphragm is attached at the first surface of described light polarizing film, and the one side that described the first diaphragm deviates from described light polarizing film is pasted with carbon nano-tube film, on described carbon nano-tube film, is provided with conducting wire;
The second diaphragm, is attached at the second surface of described light polarizing film;
Outer protection layer, is attached at the one side that described the first diaphragm is pasted with carbon nano-tube film.
In Polarizer as above, also comprise:
Adhesive phase, is arranged at the one side that described the second diaphragm deviates from described light polarizing film, on described adhesive phase, is pasted with release film.
In Polarizer as above, between described outer protection layer and described the first bonding coat, be provided with the first bonding coat, described outer protection layer is attached at described the first diaphragm by described the first bonding coat;
Between described the first diaphragm and described light polarizing film, be provided with the second bonding coat, described the first diaphragm is attached at the first surface of described light polarizing film by described the second bonding coat;
Between described the second diaphragm and described light polarizing film, be provided with the 3rd bonding coat, described the second diaphragm is attached at the second surface of described light polarizing film by described the 3rd bonding coat.
In Polarizer as above, described the first bonding coat is liquid optical cement LOCA;
Described the second bonding coat and the 3rd bonding coat are glue;
Described adhesive phase is pressure sensitive adhesive.
In Polarizer as above, described carbon nano-tube film is comprised of a plurality of parallel and spaced carbon nano-tube that is bonded in described the first diaphragm.
In Polarizer as above, described conducting wire is that the conduction slurries that are printed on described carbon nano-tube film surrounding form through laser ablation.
In Polarizer as above, the chemically toughened glass that described outer protection layer is preset thickness.
In Polarizer as above, described the first diaphragm and the second diaphragm are Triafol T TAC film.
In Polarizer as above, described light polarizing film is the film that the first material, the second material or the 3rd material are made.
The utility model provides a kind of liquid crystal panel on the other hand, includes colored filter and the first Polarizer, and described the first Polarizer is Polarizer as above;
Described the first Polarizer is arranged at the outside of described colored filter.
The Polarizer that the utility model any embodiment provides and liquid crystal panel; by paste carbon nano-tube film on the first diaphragm of Polarizer; and conducting wire is set, and make Polarizer there is touch function, avoided the hot and humid damage to light polarizing film in conventional touch-screen process.
Accompanying drawing explanation
The structural representation of the Polarizer that Fig. 1 provides for the utility model embodiment mono-;
The schematic flow sheet of the polarizing plate making method that Fig. 2 provides for the utility model embodiment bis-.
Embodiment
The utility model embodiment mono-provides a kind of Polarizer, as shown in Figure 1, this Polarizer includes light polarizing film 1, the first diaphragm 2, the second diaphragm 3 and outer protection layer 4, wherein the one side of the first diaphragm 2 attaches the first surface A that is arranged at light polarizing film 1, the one side that deviates from light polarizing film 1 at the first diaphragm 2 is pasted with carbon nano-tube film 21, is provided with conducting wire 22 on carbon nano-tube film 21; The second diaphragm 3 is attached at the second surface B of light polarizing film 1; Outer protection layer 4 is attached at the one side that the first diaphragm 2 is pasted with carbon nano-tube film 21.It will be appreciated by those skilled in the art that, the stickup of carbon nano-tube film can at room temperature be carried out, the present embodiment is by room temperature attaching carbon nano-tube film 21, make to have formed on Polarizer the conductive layer that in the past only has high temperature magnetic control sputtering ITO process to realize, and this conductive layer has the not available anisotropic conductive characteristic of ITO conductive layer, then conducting wire is set on carbon nano-tube film, realizes the touch function of Polarizer.
In the present embodiment, this Polarizer also includes adhesive phase 5, and this adhesive phase 5 is arranged at the one side that the second diaphragm 3 deviates from light polarizing film 1, is pasted with release film 6 on adhesive phase 5, for the protection of adhesive phase 5.In the time of in the Polarizer providing at liquid crystal panel employing the present embodiment the aspect that this Polarizer is attached to liquid crystal panel, this release film 6 can be torn, by adhesive phase 5, this Polarizer is pasted on the colored filter of liquid crystal panel.
In the present embodiment, between outer protection layer 4 and the first diaphragm 2, be provided with the first bonding coat 10, outer protection layer 4 can be attached on the first diaphragm 2 by the first bonding coat 10; Between the first diaphragm 2 and light polarizing film 1, be provided with the second bonding coat 20, the first diaphragms 2 and can be attached at by the second bonding coat 20 the first surface A of light polarizing film 1; Between the second diaphragm 3 and light polarizing film 1, be provided with the 3rd bonding coat 30, the second protective seams 3 and can be attached at by the 3rd bonding coat 30 the second surface B of light polarizing film 1.
In the present embodiment, the first bonding coat 10 can be preferably LOCA(Liquid Optical Clear Adhesive, liquid optical cement); The second bonding coat 20 and the 3rd bonding coat 30 can be preferably glue; Adhesive phase 5 can be preferably pressure sensitive adhesive.
Carbon nano-tube film 21 in the present embodiment is comprised of a plurality of parallel and spaced carbon nano-tube being bonded on the first diaphragm 2.Concrete, carbon nano-tube film 21 is parallel to each other or is substantially parallel to each other by a plurality of, and the carbon nano-tube that is parallel to the first diaphragm 2 surfaces by self adhesive bond in the surface of the first diaphragm 2, wherein long carbon nano-tube be by end to end and in the same direction orientations short carbon nanometer tube by Van der Waals force, interconnect and form; This carbon nano-tube film 21 has resistance anisotropy, between adjacent carbon nano-tube, has gap; At carbon nano-tube orientation upper block resistance, being within the scope of 1 kilohm to 5 kilohms, is within the scope of 0.5 megohm to 5 megohm at the square resistance perpendicular to carbon nano-tube orientation.
In the present embodiment, the preparation of carbon nano-tube film, except can obtaining by direct growth method, also can obtain by carbon nanotube powder.For example: point solvent drips seasoning, L B film method, print process, electrophoresis, and filter membrane method etc.; Carbon nano-tube film can also obtain by the method directly pulling from carbon nano pipe array.
In the present embodiment, the conducting wire 22 arranging on carbon nano-tube film 21 can be by the surrounding printing conductive slurries at carbon nano-tube film, then the conduction slurries of laser ablation printing and forming, wherein, conduction slurries 22 can be conductive silver paste, conductive copper paste, gold paste or silver-plated copper slurry etc., conduction slurries in the present embodiment are preferably conductive silver paste, silver slurry can be photocuring silver slurry, also can be heat curing silver slurry or mixing cured silver slurry, preferably, the solidification temperature of silver slurry is lower than 80 degrees Celsius, and be laser ablation silver slurry, can avoid like this injury of ITO exposure imaging operation to rete in the past, avoided the not high drawback of common printed silver slurry precision simultaneously.
In the present embodiment; the first diaphragm 2 and the second diaphragm 3 can be preferably TAC (Triacetyl Cellulose; Triafol T) film; TAC film for conventional for supporting and protect the optical material of light polarizing film; but in practical application, protect the first diaphragm of light polarizing film and the second diaphragm to be not limited to TAC film; also can adopt PET(Polyethylene terephthalate; polyethylene terephthalate) film; or COP(Cyclo-olefin polymer cyclic olefin polymer) film, or Acryl film and composition thereof etc.
In the present embodiment; outer protection layer 4 can adopt the chemically toughened glass of preset thickness; specifically can adopt ultra-thin chemically toughened glass; by the outer protection layer using ultrathin chemically-strengthened glass as TAC film; can greatly strengthen the intensity of Polarizer; make more than the skin hardness of Polarizer reaches 7H, to have overcome existing conventional Polarizer and adopted flexible plastic film as diaphragm, hardness does not reach the defect of requirement.Ultrathin chemically-strengthened glass in the present embodiment is LOCA by the first bonding coat 10() stick on the first diaphragm 2; can protect the carbon nano-tube film 21 being arranged on the first diaphragm 2; avoid the destruction of Polarizer use procedure peripheral environment to carbon nano-tube film 21; even ultrathin chemically-strengthened glass is broken into pieces; due to the buffering of the first bonding coat 10 and the flexible characteristic of carbon nano-tube film 21, Polarizer still can keep normal touch function.
In the present embodiment, light polarizing film 1 is preferably the film that the first material, the second material or the 3rd material are made, wherein the first material is PVA (the polyvinyl alcohol that contains iodine, polyvinyl alcohol (PVA)), the second material is the PVA that contains potassium iodide, and the 3rd material is the PVA that contains dichroic dye.Concrete available high tension stretches and makes PVA film, and with this PVA film, as light polarizing film 1, dichroic dye is wherein the organic compound that absorbs the light of the specific wavelength between 400nm-780nm.Described dichroic dye refers to that the transistion moment on the long axis direction of dye molecule in dyestuff is stronger than the transistion moment on the short-axis direction of this dye molecule, or strong apart from than on its long axis direction of the transition on its short-axis direction.Can select a certain suitable dyestuff as dichromatic dye according to expection object.For example, dichromatic dye can comprise azo dyes, anthraquinone dye, indanthrene dyes, imidazoles dyestuff, indigoid dye, phthalocyanine dye, kiton colors, pyrazolone dye, Stilbene dyestuff, diphenylmethane dyes, naphthoquinone dyestuff, merocyanine dye, quinophthalone dyestuff, alizarin dyes, acridine dye, quinoneimine dye, thiazole dye, methine dyes, nitro dye etc.Wherein, azo dyes, anthraquinone dye, indanthrene dyes, imidazoles dyestuff are preferred.These dichromatic dyes can be used separately or can use its two or more potpourri.In order to obtain black light polarizing film, preferably a plurality of dichromatic dyes separately with different absorption spectrums are mixed and used.Also can use the dichromatic dye of selling on market.Commercially available dichromatic dye can comprise methyl orange, benzopurpurin, tetracarboxylic CuPc, Acid red 26 6, cyanine dye, violet 20, benzopurpurine 4B, methylene blue (alkali blue) 9, bright orange, acid red 18, acid red 27 etc.
The Polarizer that the present embodiment provides; by paste carbon nano-tube film on the first diaphragm of Polarizer; and conducting wire is set on carbon nano-tube film; make Polarizer realize touch function, avoided adopting conventional method on Polarizer, to process the hot and humid damage to light polarizing film in touch-screen process.
The utility model another embodiment also provide a kind of liquid crystal panel, includes colored filter and the first Polarizer, the Polarizer that the first Polarizer adopts the utility model any embodiment to provide, and this Polarizer is arranged at the outside of colored filter.
During practical operation, the second diaphragm of the first Polarizer can be pasted on colored filter by adhesive phase (preferably pressure sensitive adhesive); If be provided with the adhesive phase of release film protection on the second diaphragm of Polarizer, release film is torn, the adhesive phase of protecting by release film sticks on the colored filter of liquid crystal panel.
Liquid crystal panel in the present embodiment also includes the second Polarizer, and this second Polarizer can adopt Polarizer conventional in prior art, and is arranged at the TFT thin film transistor base plate outside of liquid crystal panel,
The liquid crystal panel that the present embodiment provides, by the polaroid in the utility model any embodiment is set on the colored filter of liquid crystal panel, can make this liquid crystal panel have touch function.
The another embodiment of the utility model provides a kind of method for making of Polarizer, and as shown in Figure 2, the method comprises:
This step is specially: in the one side of the first diaphragm, paste carbon nano-tube film, and at the surrounding printing conductive slurries of carbon nano-tube film, then the conduction slurries of printing are carried out to laser ablation, form described conducting wire.
In the present embodiment; carbon nano-tube film is comprised of a plurality of parallel and spaced carbon nano-tube that is bonded in the first diaphragm; the carbon nano-tube film that pulls acquisition is attached on the first diaphragm; and on carbon nano-tube film printing conductive slurries form conducting wire through laser ablation; the slurries that wherein conduct electricity are preferably conductive silver paste; silver slurry forms required circuitous pattern through laser ablation, thereby makes this first diaphragm have touch function.In the present embodiment, the specific descriptions of carbon nano-tube film are shown in the explanation in above-described embodiment Polarizer, do not repeat them here.
This step is specially: in the preparation light polarizing film that stretches, the first diaphragm is attached to the first surface of described light polarizing film.Light polarizing film in the present embodiment makes by stretching, for preventing light polarizing film retraction, needs so stretching light polarizing film limit, limit to attach the first diaphragm, and light polarizing film just no longer bounces back after attaching the first diaphragm.
In the present embodiment, in the one side that the first diaphragm is deviated to carbon nano-tube film, be attached at the first surface of light polarizing film, also can comprise before:
Between the first diaphragm and light polarizing film, be coated with the second bonding coat, the first diaphragm is attached in light polarizing film by the second bonding coat;
In the present embodiment, the second diaphragm is attached to the second surface of light polarizing film, also can comprises before:
Between the second diaphragm and light polarizing film, be coated with the 3rd bonding coat, the second diaphragm is attached in light polarizing film by the 3rd bonding coat;
In the present embodiment, the one side that is pasted with carbon nano-tube film at the first diaphragm attaches outer protection layer, also can comprise before:
Between the first diaphragm and outer protection layer, be coated with the first bonding coat, outer protection layer is attached on the first diaphragm by the first bonding coat.
In the present embodiment, this polarizing plate making method also can comprise:
The Polarizer completing by above-mentioned steps can carry out photocuring again, forms high strength Polarizer.
In the present embodiment; the PVA film that the light polarizing film of using in above-mentioned steps can adopt the PVAC polyvinylalcohol that contains iodine or potassium iodide or dichroic dye to make by stretching; the first diaphragm, the second diaphragm can adopt TAC film, and outer protection layer can adopt ultrathin chemically-strengthened glass.Before Polarizer is made, can be to pretreatment operation such as needed described the first diaphragm, the second diaphragm, light polarizing film, release film and described outer protection layer etc. are prepared, clean and are dried.
In the present embodiment, the first bonding coat in above-mentioned steps between the first diaphragm and outer protection layer can be liquid optical cement LOCA; The second bonding coat between the first diaphragm and light polarizing film, and the 3rd bonding coat between the second diaphragm and light polarizing film can be glue; The adhesive phase that deviates from the coated on one side of light polarizing film at the second diaphragm can be pressure sensitive adhesive.
The polarizing plate making method that the present embodiment provides is by adopting the method attach carbon nano-tube film and conducting wire is set on the first diaphragm to make Polarizer have touch function; avoided the hot and humid damage to light polarizing film in conventional touch-screen process; realize the normal temperature manufacture of fine circuit, and simplified structure and the process of Polarizer and touch-screen.
Finally it should be noted that: each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit above; Although the utility model is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a Polarizer, is characterized in that, comprising:
Light polarizing film;
The first diaphragm, the one side of described the first diaphragm is attached at the first surface of described light polarizing film, and the one side that described the first diaphragm deviates from described light polarizing film is pasted with carbon nano-tube film, on described carbon nano-tube film, is provided with conducting wire;
The second diaphragm, is attached at the second surface of described light polarizing film;
Outer protection layer, is attached at the one side that described the first diaphragm is pasted with carbon nano-tube film.
2. Polarizer according to claim 1, is characterized in that, also comprises:
Adhesive phase, is arranged at the one side that described the second diaphragm deviates from described light polarizing film, on described adhesive phase, is pasted with release film.
3. Polarizer according to claim 2, is characterized in that, between described outer protection layer and described the first bonding coat, is provided with the first bonding coat, and described outer protection layer is attached at described the first diaphragm by described the first bonding coat;
Between described the first diaphragm and described light polarizing film, be provided with the second bonding coat, described the first diaphragm is attached at the first surface of described light polarizing film by described the second bonding coat;
Between described the second diaphragm and described light polarizing film, be provided with the 3rd bonding coat, described the second diaphragm is attached at the second surface of described light polarizing film by described the 3rd bonding coat.
4. Polarizer according to claim 3, is characterized in that, described the first bonding coat is liquid optical cement LOCA;
Described the second bonding coat and the 3rd bonding coat are glue;
Described adhesive phase is pressure sensitive adhesive.
5. Polarizer according to claim 1, is characterized in that, described carbon nano-tube film is comprised of a plurality of parallel and spaced carbon nano-tube that is bonded in described the first diaphragm.
6. Polarizer according to claim 1, is characterized in that, described conducting wire is that the conduction slurries that are printed on described carbon nano-tube film surrounding form through laser ablation.
7. Polarizer according to claim 1, is characterized in that, the chemically toughened glass that described outer protection layer is preset thickness.
8. according to the arbitrary described Polarizer of claim 1-7, it is characterized in that, described the first diaphragm and the second diaphragm are Triafol T TAC film.
9. according to the arbitrary described Polarizer of claim 1-7, it is characterized in that, described light polarizing film is the film that the first material, the second material or the 3rd material are made.
10. a liquid crystal panel, is characterized in that, includes colored filter and the first Polarizer, and described the first Polarizer adopts the arbitrary described Polarizer of claim 1-9;
Described the first Polarizer is arranged at the outside of described colored filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320264828.9U CN203465492U (en) | 2013-05-15 | 2013-05-15 | Polarizing plate and liquid crystal panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320264828.9U CN203465492U (en) | 2013-05-15 | 2013-05-15 | Polarizing plate and liquid crystal panel |
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| CN203465492U true CN203465492U (en) | 2014-03-05 |
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| CN201320264828.9U Expired - Fee Related CN203465492U (en) | 2013-05-15 | 2013-05-15 | Polarizing plate and liquid crystal panel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293584A (en) * | 2013-05-15 | 2013-09-11 | 北京安通立祥科技发展有限公司 | Polarizer, liquid crystal panel and polarizer manufacturing method |
| CN107303750A (en) * | 2016-04-21 | 2017-10-31 | 玉山精密涂布股份有限公司 | Water resistant air film sheet material applying method |
-
2013
- 2013-05-15 CN CN201320264828.9U patent/CN203465492U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293584A (en) * | 2013-05-15 | 2013-09-11 | 北京安通立祥科技发展有限公司 | Polarizer, liquid crystal panel and polarizer manufacturing method |
| CN103293584B (en) * | 2013-05-15 | 2016-07-20 | 北京安通立祥科技发展有限公司 | Polarizer, liquid crystal panel and Polarizer manufacture method |
| CN107303750A (en) * | 2016-04-21 | 2017-10-31 | 玉山精密涂布股份有限公司 | Water resistant air film sheet material applying method |
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Granted publication date: 20140305 Termination date: 20140515 |