CN101995600A - Polaroid for ultrathin reflection-type liquid crystal display - Google Patents
Polaroid for ultrathin reflection-type liquid crystal display Download PDFInfo
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- CN101995600A CN101995600A CN 201010544120 CN201010544120A CN101995600A CN 101995600 A CN101995600 A CN 101995600A CN 201010544120 CN201010544120 CN 201010544120 CN 201010544120 A CN201010544120 A CN 201010544120A CN 101995600 A CN101995600 A CN 101995600A
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- polaroid
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Abstract
The invention discloses a polaroid for an ultrathin reflection-type liquid crystal display, comprising a stripping film layer, a pressure-sensitive adhesive layer, a polyvinyl alcohol (PVA) film layer, an adhesive layer and a reflecting film layer which are overlaid from top to bottom, wherein the stripping film layer is compounded on the upper surface of the PVA film layer by the pressure-sensitive adhesive layer, and the reflecting film layer is compounded on the lower surface of the PVA film layer by the adhesive layer. The function of the polaroid for an ultrathin reflection-type liquid crystal display of the invention can be realized by only compounding the PVA film layer and the reflecting film layer. The polaroid of the invention has thin thickness and is convenient to use.
Description
Technical field
The present invention relates to a kind of polaroid, relate in particular to a kind of ultra-thin reflection LCD polaroid.
Background technology
Common reflection LCD polaroid is a kind of optical thin film with polarized light function that is composited with the layer high molecule material, is mainly used in field of liquid crystal such as counter, game machine.
Mainly there is following shortcoming in common reflection LCD with polaroid: common reflection LCD all is traditional reflective polaroid structure with polaroid: pressure-sensitive adhesive layer/Triafol T (TAC) rete/polyvinyl alcohol (PVA) (PVA) rete/Triafol T (TAC) rete/reflective coating; play protection and supporting role at each compound one deck Triafol T (TAC) of polyvinyl alcohol (PVA) (PVA) rete both sides; the polaroid integral thickness is thick partially; the thinlyyest 220 μ m can only be accomplished, the request for utilization of thin display can't be satisfied sometimes.
Summary of the invention
The technical problem to be solved in the present invention is: overcome existing common reflection LCD thick partially with polaroid thickness, on thin display inconvenient problem with use, a kind of thinner thickness, ultra-thin reflection LCD polaroid easy to use are proposed.
In order to solve the problems of the technologies described above, the present invention proposes following technical scheme: a kind of ultra-thin reflection LCD polaroid, what it comprised from the top down stack peels off rete, pressure-sensitive adhesive layer, polyvinyl alcohol (PVA) rete, adhering agent layer, reflective coating, this is peeled off rete and is compounded in the upper surface of this polyvinyl alcohol (PVA) rete by above-mentioned pressure-sensitive adhesive layer, and this reflective coating is compounded in the lower surface of this polyvinyl alcohol (PVA) rete by above-mentioned adhesive phase.
Preferably, the thickness of this pressure-sensitive adhesive layer, adhesive phase is that 1 μ m is to 100 μ m.
Preferably, the thickness of this pressure-sensitive adhesive layer, adhesive phase is that 5 μ m are to 50 μ m.
Preferably, the thickness of this pressure-sensitive adhesive layer, adhesive phase is that 10 μ m are to 30 μ m.
Preferably, the thickness range of this polaroid is 85-220 μ m.
Preferably, this reflective coating is a kind of blooming with reflection function.
The present invention has following beneficial effect: polaroid of the present invention only uses layer of polyethylene alcohol (PVA) rete and one deck reflective coating to be combined into product, with the both sides Triafol T (TAC) in pressure-sensitive adhesive layer and the alternative traditional light polarizing film three-decker of reflective coating, so this product lacks two-layer Triafol T (TAC) than traditional reflective type polaroid, concrete structure is: pressure-sensitive adhesive layer/polyvinyl alcohol (PVA) (PVA) rete/reflective coating, so polaroid is the thinnest can accomplish 85 μ m, is well positioned to meet the thin display customer requirement.Pressure-sensitive adhesive layer both can play support and the effect of protection polyvinyl alcohol (PVA) (PVA) rete among the present invention, had guaranteed reliability of products and stability equally, and this pressure-sensitive adhesive layer plays the effect of bonding LCD again simultaneously.
Description of drawings
Fig. 1 is the schematic cross-section of the ultra-thin reflection LCD of the present invention with polaroid.
Fig. 2 is the decomposing schematic representation of the ultra-thin reflection LCD of the present invention with polaroid.
Embodiment
As Fig. 1 to shown in Figure 2, a kind of ultra-thin reflection LCD polaroid, it comprise superpose from the top down peel off rete 1, pressure-sensitive adhesive layer 2, polyvinyl alcohol (PVA) (PVA) rete 3, adhesive phase 4, reflective coating 5.Above-mentioned each layer is combined with each other by compounding machine.
This is peeled off rete 1 and is compounded in the upper surface of this polyvinyl alcohol (PVA) (PVA) rete 3 by above-mentioned pressure-sensitive adhesive layer 2, and this reflective coating 5 is compounded in the lower surface of this polyvinyl alcohol (PVA) (PVA) rete 3 by above-mentioned adhesive phase 4.
The thickness of this pressure-sensitive adhesive layer 2, adhesive phase 4 can suitably be set according to the purposes of expecting, bond strength etc.Specifically, preferred thickness be 1 μ m to 100 μ m, more preferably 5 μ m are to 50 μ m, most preferably 10 μ m are to 30 μ m.
The thickness range of polaroid of the present invention is 85-220 μ m.
Any suitable contact adhesive can be as the contact adhesive that forms pressure-sensitive adhesive layer 2, adhesive phase 4.Its object lesson comprises solvent-borne type contact adhesive, nonaqueous emulsion type contact adhesive, aqueous pressure sensitive adhesive and hot melt pressure sensitive adhesive.The preferred use contained the solvent-borne type contact adhesive of acrylate copolymer as base polymer, because it can show for the suitable pressure-sensitive adhesion performance (wettability, cohesiveness and cohesive) of light polarizing film and phasic difference film and excellent optical clarity, against weather and thermotolerance is provided.
The light polarizing film of polaroid of the present invention has only one deck, and promptly polyvinyl alcohol (PVA) (PVA) rete 3.
This polyvinyl alcohol (PVA) (PVA) rete 3 production runes are as follows: the aqueous solution that 1, polyvinyl alcohol (PVA) (PVA) film is immersed iodine is to dye and this film to be stretched to 3 to 7 times of original length.Aqueous solution can contain boric acid, zinc sulfate, zinc chloride etc. as required, and perhaps the polyvinyl alcohol film can immerse in the aqueous solution of potassium iodide etc.And, the polyvinyl alcohol film can be soaked in water and cleans as required.2, water cleans the polyvinyl alcohol film and not only can remove the dirt or the flush away detackifier on striping surface, can also expand to prevent the non-uniform phenomenon of uneven dyeing for example etc. by making the polyvinyl alcohol film.Can be after the process that film is dyeed with iodine, among or before this film is stretched.Stretching can be carried out in the aqueous solution of boric acid or potassium iodide or in the water-bath.
This reflective coating 5 is a kind of bloomings with reflection function.
The ultra-thin reflection LCD of the present invention is as follows with the production method of polaroid: the ultra-thin reflection LCD of patent of the present invention can carry out compound production by above-mentioned pressure-sensitive adhesive layer 2,4 pairs of above-mentioned each layers of adhesive phase with polaroid.Concrete production method is: the first step is compounded in polyvinyl alcohol (PVA) (PVA) rete 3 upper surface of this reflective coating 5 by adhesive phase 4; In second step, be compounded in the upper surface of this polyvinyl alcohol (PVA) (PVA) rete 3 peeling off rete 1 by this pressure-sensitive adhesive layer 2, thereby make this polaroid finished product.
The present invention has following beneficial effect: polaroid of the present invention only uses layer of polyethylene alcohol (PVA) rete 3 and one deck reflective coating 5 to be combined into product, with the both sides Triafol T (TAC) in pressure-sensitive adhesive layer 2 and the reflective coating 5 alternative traditional light polarizing film three-deckers, so this product lacks two-layer Triafol T (TAC) than traditional reflective type polaroid, concrete structure is: pressure-sensitive adhesive layer 2/ polyvinyl alcohol (PVA) rete 3/ reflective coating 5, polaroid of the present invention is the thinnest can accomplish 85 μ m, is well positioned to meet the thin display customer requirement. Pressure-sensitive adhesive layer 2 both can play support and 3 effects of protection polyvinyl alcohol (PVA) rete among the present invention, had guaranteed equally the reliability and stability of product, and this pressure-sensitive adhesive layer 2 plays again the effect of bonding LCD simultaneously.
Claims (6)
1. ultra-thin reflection LCD polaroid, it is characterized in that: what it comprised from the top down stack peels off rete, pressure-sensitive adhesive layer, polyvinyl alcohol (PVA) rete, adhering agent layer, reflective coating, this is peeled off rete and is compounded in the upper surface of this polyvinyl alcohol (PVA) rete by above-mentioned pressure-sensitive adhesive layer, and this reflective coating is compounded in the lower surface of this polyvinyl alcohol (PVA) rete by above-mentioned adhesive phase.
2. ultra-thin reflection LCD polaroid according to claim 1 is characterized in that: the thickness of this pressure-sensitive adhesive layer, adhesive phase is that 1 μ m is to 100 μ m.
3. ultra-thin reflection LCD polaroid according to claim 1 is characterized in that: the thickness of this pressure-sensitive adhesive layer, adhesive phase is that 5 μ m are to 50 μ m.
4. ultra-thin reflection LCD polaroid according to claim 1 is characterized in that: the thickness of this pressure-sensitive adhesive layer, adhesive phase is that 10 μ m are to 30 μ m.
5. ultra-thin reflection LCD polaroid according to claim 1 is characterized in that: the thickness range of this polaroid is 85-220 μ m.
6. ultra-thin reflection LCD polaroid according to claim 1 is characterized in that: this reflective coating is a kind of blooming with reflection function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010544120 CN101995600A (en) | 2010-11-15 | 2010-11-15 | Polaroid for ultrathin reflection-type liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010544120 CN101995600A (en) | 2010-11-15 | 2010-11-15 | Polaroid for ultrathin reflection-type liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101995600A true CN101995600A (en) | 2011-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010544120 Pending CN101995600A (en) | 2010-11-15 | 2010-11-15 | Polaroid for ultrathin reflection-type liquid crystal display |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108319061A (en) * | 2018-01-25 | 2018-07-24 | 深圳市华星光电技术有限公司 | Polaroid and liquid crystal display panel preparation method |
| CN109343165A (en) * | 2018-10-31 | 2019-02-15 | 武汉华星光电技术有限公司 | A kind of polarizer and its manufacturing method |
| CN109425922A (en) * | 2017-08-21 | 2019-03-05 | 上海和辉光电有限公司 | A kind of polaroid and preparation method thereof, display panel and display device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10186134A (en) * | 1996-12-27 | 1998-07-14 | Sumitomo Chem Co Ltd | Reflection type polarizing plate and liquid crystal display device formed by using the same |
-
2010
- 2010-11-15 CN CN 201010544120 patent/CN101995600A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10186134A (en) * | 1996-12-27 | 1998-07-14 | Sumitomo Chem Co Ltd | Reflection type polarizing plate and liquid crystal display device formed by using the same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109425922A (en) * | 2017-08-21 | 2019-03-05 | 上海和辉光电有限公司 | A kind of polaroid and preparation method thereof, display panel and display device |
| CN108319061A (en) * | 2018-01-25 | 2018-07-24 | 深圳市华星光电技术有限公司 | Polaroid and liquid crystal display panel preparation method |
| CN109343165A (en) * | 2018-10-31 | 2019-02-15 | 武汉华星光电技术有限公司 | A kind of polarizer and its manufacturing method |
| WO2020087773A1 (en) * | 2018-10-31 | 2020-05-07 | 武汉华星光电技术有限公司 | Polarizing plate and manufacturing method therefor |
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Application publication date: 20110330 |