CN104730609A - Polarizer and panel display device using polarizer and preparation method thereof - Google Patents
Polarizer and panel display device using polarizer and preparation method thereof Download PDFInfo
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- CN104730609A CN104730609A CN201310711855.0A CN201310711855A CN104730609A CN 104730609 A CN104730609 A CN 104730609A CN 201310711855 A CN201310711855 A CN 201310711855A CN 104730609 A CN104730609 A CN 104730609A
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- polaroid
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
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- 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
- B32B27/08—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 of synthetic resin
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Optics & Photonics (AREA)
- Polarising Elements (AREA)
- Liquid Crystal (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a polarizer which is provided with single face adhesive layers, and an optical adhesive layer is used when the polarizer is attached to packaging cover glass. The optical adhesive layer itself has a good reworkable capability and can still be effectively tore off in a state when a curing reaction has already taken place, so that a display device body including display components and the polarizer can be effectively separated; when protective glass already attached to the polarizer needs to be separated from the display device, the display device body cannot be harmed, so that the production cost is effectively reduced. Meanwhile, a preparation method of the panel display device comprises the steps that the polarizer is firstly attached to protective glass, and then assembled with the packaging cover glass in a combination mode; the protective glass has great intensity serving as the protective layer of the whole panel display device, is a single component, and is not prone to be damaged in a polarizer reworking section or influence the other components in the panel display device, so that the product qualified rate can be greatly improved and the production cost can be effectively reduced compared with the prior art.
Description
Technical field
The present invention relates to display technique field, be specifically related to a kind of polarisation and the panel display apparatus applying this polaroid and preparation method thereof.
Background technology
(English full name is Organic light-emittingdiodedisplays to comprise organic light-emitting display device, referred to as OLED), (English full name is Plasma display panel to plasma display system, be called for short PDP), (English full name is Liquid crystal displays to liquid crystal indicator, referred to as LCD) etc. at interior panel display apparatus, there is the features such as complete complanation, light, thin, power saving, be instantly apply maximum display techniques, meet the inexorable trend of future image display device development.
As shown in Figure 1, in order to reduce surround lighting, light reflections affect being produced to panel display apparatus visual effect, usually can attach polaroid at the cap glass surface of panel display apparatus.Tradition polaroid comprises the diaphragm, the first protective seam, polarizing layer, the second protective seam, the first adhesive layer, retardation layer, the second adhesive layer and the release film that stack gradually setting.When polaroid attaches, release film is torn off, the second adhesive layer is attached on cap glass towards cap film surface.In the process, not only to ensure the cleaning of cap glass surface, there is no foreign matter, also need to ensure effect that polaroid attaches be smooth, there is no bubble.Therefore in the preparation process of panel display apparatus, very easily occur that polaroid attaches bad phenomenon, make polaroid attach technique and there is higher rework rate.
In existing panel display apparatus, often adopt glass dust (frit) packaging technology to encapsulate between cap glass and base plate glass, that carries out polaroid after encapsulation work completes again on the surface of cap glass attaches workshop section.In the heavy industry process that polaroid attaches, by attach bad polaroid peel off from cap glass surface time, because the second adhesive layer and cap film surface are fitted closely, polaroid can produce great tension to cap glass, very easily cause the destruction of encapsulated layer, thus affect display device body, have a strong impact on product yield, greatly must improve production cost.
Summary of the invention
For this reason, to be solved by this invention is that existing panel display apparatus workshop section that attaches of polaroid in preparation process very easily causes display device main body destruction, affect product yield, the problem that production cost is high, provides a kind of polaroid and the application in the panel display apparatus preparation method that a kind of product yield is high thereof.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
A kind of polaroid of the present invention comprises the diaphragm, retardation layer, the first adhesive layer, the first protective seam, polarizing layer, the second protective seam, the second adhesive layer and the release film that stack gradually setting.
Described diaphragm is polyester resin layer, and thickness is 30 μm ~ 40 μm.
Described retardation layer is one or more stacked structures formed in cyclo-olefin copolymer layer, the dispersed film of inverse wave length, layer of polycarbonate, and thickness is 45 μm ~ 55 μm.
Described first adhesive layer is resin adhesive, and thickness is 15 μm ~ 20 μm.
Described first protective seam is Triafol T layer, and thickness is 20 μm ~ 40 μm.
Described polarizing layer is polyvinyl alcohol layer, and thickness is 25 μm ~ 35 μm.
Described second protective seam is Triafol T layer, and thickness is 20 μm ~ 40 μm.
Described second adhesive layer is resin adhesive layer, and thickness is 15 μm ~ 20 μm.
Described release film is that thickness is 30 μm ~ 40 μm through plasma treatment, the macromolecule membrane being coated with fluorine process, painting silicon mould release.
A kind of panel display apparatus of the present invention, comprising:
Base plate glass and the display element be arranged on described base plate glass;
Cap glass, the side encapsulating with described base plate glass be arranged near display element on base plate glass is connected;
Cover glass, is arranged on the side of described cap glass away from described base plate glass, is provided with polaroid and optical cement layer between described cover glass and described cap glass; Described polaroid is described polaroid, and described polaroid is fitted on described cover glass by described second adhesive layer.
Described optical cement layer is arranged between described polaroid and described cap glass.
The thickness of described optical cement layer is 100 μm ~ 300 μm.
The preparation method of panel display apparatus of the present invention, comprises the steps:
S1, the base plate glass and cap glass that are provided with display element to be encapsulated;
S2, to fit on the surface polaroid at one of cover glass;
S3, form optical cement layer away from the surface of cover glass and/or cap glass away from the surface of base plate glass at polaroid, the cover glass being fitted with polaroid obtained in step S2 is fitted on cap glass by optical cement layer.
Encapsulation step described in step S1 is included in the packaging area coated UV curable glue of described base plate glass and/or described cap glass, described base plate glass and described cap glass are aimed at pressing, with ultraviolet cured adhesive described in UV-irradiation, realize encapsulation.
Display element described in step S1 is the one in organic illuminated display element, liquid crystal display cells, plasma display element or field emission display.
Technique scheme of the present invention has the following advantages compared to existing technology:
1, polaroid of the present invention, has single-sided adhesive layer, using optical cement layer with during cap glass gluing.Optical cement layer itself has good reworking, even if under the state that curing reaction occurs, still can effectively be removed, and the display device body comprising display element can be made effectively to be separated with polaroid.When needing the cover glass attaching polaroid to be separated with display device, damage can not be caused to display device body, effectively reducing production cost.
2, panel display apparatus of the present invention; polaroid and optical cement layer is provided with between cover glass and cap glass; described polaroid comprises the diaphragm, retardation layer, the first adhesive layer, the first protective seam, polarizing layer, the second protective seam, the second adhesive layer and the release film that stack gradually setting, is fitted on cover glass by the second adhesive layer.The polarizing layer (light entering display device being become line polar biased light) that polarisation principle (a series of transition processes from natural light-line polar biased light-circle polar biased light) determines polaroid structure must first touch the light entering display device and send before retardation layer (changing line polar biased light into round polar biased light).(structure is stack gradually the diaphragm of setting, the first protective seam, polarizing layer, the second protective seam, the first adhesive layer, retardation layer, the second adhesive layer and release film) can not be set directly at cover glass on the surface of base plate glass so traditional one side glue polaroid.If directly traditional one side glue polaroid is attached at cover glass of the present invention on the surface of base plate glass, can natural light be caused first to arrive polarizing layer again through retardation layer, thus polarisation effect can not be played.For this reason; a kind of novel polaroid structure (comprising the diaphragm, retardation layer, the first adhesive layer, the first protective seam, polarizing layer, the second protective seam, the second adhesive layer and the release film that stack gradually setting) of proposition of the invention; and the material used to each layer and thickness improve, use to be applicable to being fitted in cover glass of the present invention on the surface of glass substrate glass.In the preparation process of described panel display apparatus, polaroid is arranged on cover glass, and not fragile other elements that also can not affect in described panel display apparatus in the heavy industry workshop section of polaroid, product yield is high.
3, the preparation method of panel display apparatus of the present invention, is first fitted in cover glass on the surface of base plate glass by polaroid, then carries out combination with cap glass and assemble; Cover glass is as the protective seam of whole panel display apparatus; there is splendid intensity; and be single element; not fragile other elements that also can not affect in described panel display apparatus in the heavy industry workshop section of polaroid; compared with prior art; the yield of product can be increased substantially, effectively reduce production cost.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the wiring layout of polaroid in prior art middle plateform display device;
Fig. 2-4 is assembly flow charts of polaroid in panel display apparatus of the present invention;
Fig. 5 is the structural representation of polaroid of the present invention.
In figure, Reference numeral is expressed as: 1-cover glass, 2-polaroid, 3-cap glass, 4-base plate glass, 5-optical cement layer, 21-diaphragm, 22-retardation layer, 23-first adhesive layer, 24-first protective seam, 25-polarizing layer, 26-second protective seam, 27-second adhesive layer, 28-release film.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiments of the present invention are described in further detail.
The present invention can implement in many different forms, and should not be understood to be limited to embodiment set forth herein.On the contrary, provide these embodiments, make the disclosure to be thorough and complete, and design of the present invention fully will be conveyed to those skilled in the art, the present invention will only be limited by claim.In the accompanying drawings, for clarity, the size in layer and region and relative size can be exaggerated.Should be understood that, when element such as layer, region or substrate be referred to as " being formed in " or " being arranged on " another element " on " time, this element can be set directly on another element described, or also can there is intermediary element.On the contrary, when element is referred to as on " being formed directly into " or " being set directly at " another element, there is not intermediary element.
In following embodiment, described polyester resin is purchased from prosperous wrappage company limited of upper Haixing County, and model is XPE100; Polycarbonate is purchased from Teijin Ltd (Teijin), and model is TQWPWR200; Resin adhesive is purchased from Minnesota mines and manufacturing industry company (3M), and model is MPSA400; Triafol T is purchased from Fuji Photo Film Co., Ltd. (Fuji Film), and model is FTACT400; Polyvinyl alcohol (PVA) is purchased from Kuraray Co., Ltd. (Kuraray), and model is KPVO900; Optical cement is purchased from Diruihe Co., Ltd. (Dexerials), and model is SVR1600.
Embodiment 1
The present embodiment provides a kind of polaroid, as shown in Figure 5, comprises diaphragm 21, first protective seam 22, polarizing layer 23, second protective seam 24, first adhesive layer 25, retardation layer 26, second adhesive layer 27 and the release film 28 that stack gradually setting.
Described diaphragm 21 is polyester resin layer, and thickness is 30 ~ 40 μm, and the present embodiment is preferably 35 μm.
Described retardation layer is one or more stacked structures formed in cyclo-olefin copolymer layer, the dispersed film of inverse wave length, layer of polycarbonate, and thickness is 45 ~ 55 μm; The present embodiment optimization polycarbonate layer, thickness is 50 μm.
First adhesive layer described in the present embodiment is resin adhesive, and thickness is 18 μm; As other embodiments of the present invention, described first adhesive layer can also be 15 ~ 20 μm, all can realize object of the present invention, belong to protection scope of the present invention.
Described first protective seam is Triafol T layer, and thickness is 20 ~ 40 μm; The present embodiment preferred thickness is 30 μm.
Described polarizing layer is polyvinyl alcohol layer, and thickness is 25 ~ 35 μm; The present embodiment preferred thickness is 30 μm.
Described second protective seam is Triafol T layer, and thickness is 20 ~ 40 μm; The present embodiment preferred thickness is 30 μm.
Described second adhesive layer is resin adhesive layer, and thickness is 15 ~ 20 μm; The present embodiment preferred thickness is 18 μm.
Described release film is that thickness is 30 ~ 40 μm through plasma treatment, the macromolecule membrane being coated with fluorine process, painting silicon mould release; The present embodiment is preferably through the plastic sheeting (purchased from Shanghai You Jia plastic film material company limited, model is RF700) of plasma treatment, and thickness is 35 μm.
Polaroid described in the present embodiment has single-sided adhesive layer; during use; the described polaroid of its structures shape can be attached to the inner side of cover glass in panel display apparatus, and namely described cover glass is near the side of display element, and can use optical cement layer with during cap glass gluing.Optical cement layer itself has good reworking, even if under the state that curing reaction occurs, still can effectively be removed, and the display device body comprising display element so just can be made effectively to be separated with polaroid.When needing the cover glass attaching polaroid to be separated with display device, damage can not be caused to display device body, effectively reducing use cost.
Embodiment 2
The present embodiment provides a kind of panel display apparatus, as shown in Figure 4, comprises the base plate glass 4, cap glass 3 and the cover glass 1 that stack gradually setting.
Described base plate glass 4 is provided with display element (not shown), and the side packing that cap glass 3 is provided with display element with described base plate glass 4 is connected.
Described cover glass 1 is arranged on the side of described cap glass 3 away from described base plate glass 4, is provided with polaroid 2 and optical cement layer 5 between described cover glass 1 and described cap glass 3; Described polaroid 2 is the polaroid described in embodiment 1, and described polaroid 2 is fitted on described cover glass 1 by described second adhesive layer 27.
Described optical cement layer 5 is arranged between described polaroid 2 and described cap glass 3.
The thickness of described optical cement layer 5 is 100 μm ~ 300 μm, and the present embodiment is preferably 200 μm.
The preparation method of described panel display apparatus, comprises the steps:
S1, as shown in Figure 2, the base plate glass 4 and cap glass 3 that are provided with display element are encapsulated, the one side that cap glass 3 is provided with display element near base plate glass 4 is arranged.
Described encapsulation step is included in the packaging area coated UV curable glue of described base plate glass 4 and/or described cap glass 3, and described base plate glass 4 and described cap glass 3 are aimed at pressing, with ultraviolet cured adhesive described in UV-irradiation, realizes encapsulation.In the present embodiment, described ultraviolet curable agent is purchased from Nippon Electric Glass Co., Ltd (NEG), and model is QPD317; In nitrogen at room environment, carry out pressing step after some glue, pressure is 0.1 ~ 0.5Mpa, and the wavelength of irradiating ultraviolet light is 365nm, and irradiation time is 1 ~ 5min.
S2, as shown in Figure 3, to fit on the surface of base plate glass polaroid 2 at cover glass 1, described polaroid 2 is one side glue polaroid, the polaroid described in the present embodiment preferred embodiment 1.
From polarisation principle, the light entering display device is become line polar biased light by the polarizing layer 25(in polaroid 2) line polar biased light must be changed into round polar biased light at retardation layer 22() first touch the light entering display device and send before.If directly traditional one side glue polaroid (structure is stack gradually the diaphragm of setting, the first protective seam, polarizing layer, the second protective seam, the first adhesive layer, retardation layer, the second adhesive layer and release film) is set directly on cover glass 1; light natural light can be made first to arrive polarizing layer 25 again through retardation layer 22, thus polarisation effect can not be played.And polaroid 2 described in embodiment 1 comprises the diaphragm 21, retardation layer 22, first adhesive layer 23, first protective seam 24, polarizing layer 25, second protective seam 26, second adhesive layer 27, the release film 28 that stack gradually setting; and the material used to each layer and thickness improve, be adapted at using in cover glass 1 described in the present embodiment.
S3, as shown in Figure 4; optical cement layer 5 is formed away from the surface of cover glass 1 and/or the surface of cap glass 3 at polaroid 2; the thickness of described optical cement layer 5 is 100 ~ 300 μm, is fitted on cap glass 3 by the cover glass 1 being fitted with polaroid 2 obtained in step S2 by described optical cement layer 5.Optical cement layer 5 described in the present embodiment is by spray site glue, or whole coating technique is formed on described cap glass 3, and thickness is preferably 200 μm.
In step S3, described polaroid 2 uses optical cement layer 5 when fitting with described cap glass 3, described optical cement layer 5 itself has good reworking, even if under the state that curing reaction occurs, still can effectively be removed, the display device body comprising display element can be made effectively to be separated with described polaroid 5, and namely described polaroid 5 is effectively separated with described cap glass 3, and does not affect the encapsulation between described cap glass 3 and described base plate glass 4.When described cover glass 1(is attached polaroid by needs) when being separated with described display device body, damage can not being caused to display device body, effectively reduce production cost.
Described display device body obtains after being encapsulated by the described base plate glass 4 and described cap glass 3 that are provided with display element.
The preparation method of the panel display apparatus described in the present embodiment, is first fitted in described cover glass 1 on the surface of described base plate glass 4 by described polaroid 2, then carries out combination with described cap glass 3 and assemble; Described cover glass 1 is as the protective seam of whole panel display apparatus; there is splendid intensity; and be single element; not fragile other elements that also can not affect in described panel display apparatus in the heavy industry workshop section of described polaroid 2; compared with prior art; the yield of product can be increased substantially, effectively reduce production cost.
Described display element is the one in organic illuminated display element, liquid crystal display cells, plasma display element or field emission display, the preferred organic illuminated display element of the present embodiment.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among protection scope of the present invention.
Claims (15)
1. a polaroid, is characterized in that, described polaroid comprises the diaphragm, retardation layer, the first adhesive layer, the first protective seam, polarizing layer, the second protective seam, the second adhesive layer and the release film that stack gradually setting.
2. polaroid according to claim 1, is characterized in that, described diaphragm is polyester resin layer, and thickness is 30 μm ~ 40 μm.
3. polaroid according to claim 1, is characterized in that, described retardation layer is one or more stacked structures formed in cyclo-olefin copolymer layer, the dispersed film of inverse wave length, layer of polycarbonate, and thickness is 45 μm ~ 55 μm.
4. polaroid according to claim 1, is characterized in that, described first adhesive layer is resin adhesive, and thickness is 15 μm ~ 20 μm.
5. polaroid according to claim 1, is characterized in that, described first protective seam is Triafol T layer, and thickness is 20 μm ~ 40 μm.
6. polaroid according to claim 1, is characterized in that, described polarizing layer is polyvinyl alcohol layer, and thickness is 25 μm ~ 35 μm.
7. polaroid according to claim 1, is characterized in that, described second protective seam is Triafol T layer, and thickness is 20 μm ~ 40 μm.
8. polaroid according to claim 1, is characterized in that, described second adhesive layer is resin adhesive layer, and thickness is 15 μm ~ 20 μm.
9. polaroid according to claim 1, is characterized in that, described release film is that thickness is 30 μm ~ 40 μm through plasma treatment, the macromolecule membrane being coated with fluorine process, painting silicon mould release.
10. a panel display apparatus, comprising:
Base plate glass and the display element be arranged on described base plate glass;
Cap glass, the side encapsulating with described base plate glass be arranged near display element on base plate glass is connected;
Cover glass, is arranged on the side of described cap glass away from described base plate glass, is provided with polaroid and optical cement layer between described cover glass and described cap glass; It is characterized in that,
Described polaroid is the arbitrary described polaroid of claim 1-9, and described polaroid is fitted on described cover glass by described second adhesive layer.
11. panel display apparatus according to claim 10, is characterized in that, described optical cement layer is arranged between described polaroid and described cap glass.
12. panel display apparatus according to claim 10 or 11, it is characterized in that, the thickness of described optical cement layer is 100 μm ~ 300 μm.
The preparation method of 13. 1 kinds of arbitrary described panel display apparatus of claim 10-12, is characterized in that, comprise the steps:
S1, the base plate glass and cap glass that are provided with display element to be encapsulated;
S2, to fit on the surface polaroid at one of cover glass;
S3, form optical cement layer away from the surface of cover glass and/or cap glass away from the surface of base plate glass at polaroid, the cover glass being fitted with polaroid obtained in step S2 is fitted on cap glass by optical cement layer.
The preparation method of 14. panel display apparatus according to claim 13, it is characterized in that, encapsulation step described in step S1 is included in the packaging area coated UV curable glue of described base plate glass and/or described cap glass, described base plate glass and described cap glass are aimed at pressing, with ultraviolet cured adhesive described in UV-irradiation, realize encapsulation.
The preparation method of 15. panel display apparatus according to claim 13 or 14, it is characterized in that, the display element described in step S1 is the one in organic illuminated display element, liquid crystal display cells, plasma display element or field emission display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310711855.0A CN104730609B (en) | 2013-12-20 | 2013-12-20 | A kind of polaroid and the panel display apparatus and preparation method thereof using the polaroid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310711855.0A CN104730609B (en) | 2013-12-20 | 2013-12-20 | A kind of polaroid and the panel display apparatus and preparation method thereof using the polaroid |
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| CN104730609B CN104730609B (en) | 2019-06-04 |
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| CN107618693A (en) * | 2016-07-15 | 2018-01-23 | 戴宇 | To the apparatus and method of the device of surface generation effect, method and its batch application |
| 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 |
| WO2020052093A1 (en) * | 2018-09-14 | 2020-03-19 | 重庆惠科金渝光电科技有限公司 | Polarizer and display device |
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| CN104730609B (en) | 2019-06-04 |
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