CN102520472B - Flat display screen used light-filtering film and preparation method thereof - Google Patents
Flat display screen used light-filtering film and preparation method thereof Download PDFInfo
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- CN102520472B CN102520472B CN2011104579081A CN201110457908A CN102520472B CN 102520472 B CN102520472 B CN 102520472B CN 2011104579081 A CN2011104579081 A CN 2011104579081A CN 201110457908 A CN201110457908 A CN 201110457908A CN 102520472 B CN102520472 B CN 102520472B
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Abstract
The invention discloses a flat display screen used light-filtering film and a preparation method thereof. The flat display screen used light-filtering film includes a contrast-enhancement film, an electromagnetic wave shading film arranged on the contrast-enhancement film, and a scrape-proof layer or an external reflected light reducing layer arranged on the electromagnetic wave shading film, wherein the contrast-enhancement film is a double-layered resin layer with the light absorption or shading performance. Through the adoption of the flat display screen used light-filtering film and the preparation method thereof, the technical problem in the light-filtering film of the prior art that as the process control is immature, the contrast effect of a bright room is influenced due to the fact that the external light rays are not all shielded is solved.
Description
Technical field
The present invention relates to the panel display screen technical field, in particular to a kind of flat display screen used light-filtering film and preparation method thereof.
Background technology
In the making of liquid crystal, plasma and other display devices, the filter coating device is essential., take the plasma filtering device as example, in general, be divided into filter glass, filter, filter coating.Wherein, filter coating has lightening, and the characteristics that cost is low, more and more be widely used.
Filter coating generally has electromagnetic radiation shielding, the near infrared light blocking-up, and the blocking-up of neon gold-tinted, regulate color, strengthens contrast, reduces the effects such as reflectivity.Wherein strengthening contrast is mainly to strengthen bright chamber contrast, can realize by the means that reduce Ambient, also can adopt special antireflective film to reduce Ambient, but, usually because the leakage of the extraneous light that the jejune problem of technology controlling and process causes hides, affect the effect of bright chamber contrast.
Summary of the invention
The present invention aims to provide a kind of plate display screen with filter coating and preparation method thereof, to solve filter coating in prior art, affects the technical matters of bright chamber contrast effect because the leakage of the extraneous light that the jejune problem of technology controlling and process causes hides.
To achieve these goals, according to an aspect of the present invention, provide a kind of flat display screen used light-filtering film, having comprised: contrast strengthens film; The electromagnetic shielding film, be arranged on contrast and strengthen on film; And scratch resistant layer or reduction external reflection photosphere, be arranged on the electromagnetic shielding film; Wherein, contrast enhancing film is the double-layer resin layer with extinction or shading performance.
Further, the thickness of contrast enhancing film bilayer is 100-280 μ m.
Further, resin bed is the inner transparent UV hard resin-layer that is provided with equably shutter body, and shutter body is the strip that is parallel to each other.
Further, the transparent UV hardening resin of the refractive index ratio of shutter body floor height 0.2-0.8 doubly.
Further, shutter body extends along the direction of the horizontal center line that is parallel to panel display screen.
Further, shutter body becomes to be scheduled to angle with the horizontal center line of panel display screen.
Further, shutter body has the xsect of triangle, trapezoidal or rectangle.
Further, the visible light transmissivity of filter coating is 20%-80%.
Further, shutter body is black.
A kind of preparation method of filter coating is provided according to another aspect of the present invention.The method comprises that double-deck contrast is strengthened film, electromagnetic shielding film, scratch resistant layer or reduction external reflection photosphere to be bonded together by pressure sensitive adhesive successively, wherein the making of double-deck contrast enhancing film comprises the following steps: 1) apply layer of transparent UV hard resin-layer, utilize roll-in to form the groove of shutter body shape, carry out the UV sclerosis; 2) insert the shutter body material in groove; And repeating step 1) and 2), make double-deck contrast and strengthen film.
Flat display screen used light-filtering film of the present invention strengthens film, electromagnetic shielding film, scratch resistant layer or reduces the external reflection photosphere owing to having the contrast that sets gradually, wherein, it is double-deck that contrast strengthens film, thereby solved filter coating in the prior art, affects the technical matters of bright chamber contrast effect because the leakage of the extraneous light that the jejune problem of technology controlling and process causes hides.
Description of drawings
Figure of description is used to provide a further understanding of the present invention, forms a part of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not form improper restriction of the present invention.In the accompanying drawings:
Fig. 1 shows the partial structurtes schematic diagram of panel display screen; And
Fig. 2 shows the partial structurtes schematic diagram according to the filter coating of the embodiment of the present invention;
Fig. 3 shows the partial structurtes schematic diagram that strengthens film according to the contrast of the embodiment of the present invention;
Fig. 4-6 show the structural representation that strengthens shutter body in film according to the contrast of the embodiment of the present invention;
Fig. 7-8 show the arrangement schematic diagram that strengthens film according to the two-layer contrast of the embodiment of the present invention; And
Fig. 9-11 show the plan structure schematic diagram that strengthens film according to the contrast of the embodiment of the present invention.
Embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the present invention can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
A kind of typical embodiment according to the present invention, a kind of flat display screen used light-filtering film comprises that contrast strengthens film, electromagnetic shielding film, scratch resistant layer or reduces the external reflection photosphere, the electromagnetic shielding film is arranged on contrast to be strengthened on film, and scratch resistant layer or reduction external reflection photosphere are arranged on the electromagnetic shielding film; Wherein, it is the double-layer resin layer with extinction or shading performance that contrast strengthens film, and having solved filter coating in the prior art affects the technical matters of bright chamber contrast effect because the leakage of the extraneous light that the jejune problem of technology controlling and process causes hides.Filter coating of the present invention can be widely used in the display device fields such as LCD, plasma.
Preferably, the thickness that contrast strengthens the film bilayer is 100-280 μ m, and bright chamber contrast effect is better in this thickness range.
Preferably, resin bed is the inner transparent UV hard resin-layer that is provided with equably shutter body, and shutter body is the strip that is parallel to each other, and incident ray and contrast strengthen the film angle and can be absorbed, block less than certain angle.On transparent UV hard resin-layer, shutter body is set, low cost of manufacture, and effective.Preferably, the transparent UV hardening resin of the refractive index ratio of shutter body floor height 0.2-0.8 doubly.
Preferably, shutter body extends along the direction of the horizontal center line that is parallel to panel display screen also can be from the horizontal by predetermined angle, and this angle is determined according to the discharge cell structure of PDP, avoided the moire fringes phenomenon.Shutter body can have different xsects, and preferably, shutter body has the xsect of triangle, trapezoidal or rectangle, and the shutter body of these several shapes has advantages of that shading angle convenient for production is good.
Preferably, the visible light transmissivity of filter coating is 20%-80%, the transmitance lower than 20%, and PDP brightness is too low; Transmitance higher than 80%, the toning miopragia filters.Shutter body can block certain light and get final product, and preferably, shutter body is black, and shading efficiency is high.
A kind of typical embodiment according to the present invention, the preparation method of filter coating comprises that double-deck contrast is strengthened film, electromagnetic shielding film, scratch resistant layer or reduction external reflection photosphere to be bonded together by pressure sensitive adhesive successively, wherein the making of double-deck contrast enhancing film comprises the following steps: 1) apply layer of transparent UV hard resin-layer, utilize roll-in to form the groove of shutter body shape, carry out the UV sclerosis; 2) insert the shutter body material in groove; And repeating step 1) and 2), make double-deck contrast and strengthen film.
Further illustrate the present invention below in conjunction with embodiment.
As shown in Figure 1, the display screen 50 that is comprised of metacoxal plate 20 and prebasal plate 10 of plasma display panel device, the filter coating 100 that is placed in before prebasal plate 10 form.Display screen 50 is the lower image that produces in working order, sees through prebasal plate 10 and passes to spectators, is placed in filter coating 100 before prebasal plate 10 and plays and have electromagnetic radiation shielding, the near infrared light blocking-up, the blocking-up of neon gold-tinted, regulate color, strengthen contrast, reduce the effects such as reflectivity.
Fig. 2 is the filter coating structural representation according to the embodiment of the present invention, and filter coating 100 is comprised of three-decker, and bottom one deck is that double-deck contrast strengthens film 111 and 112; Middle one deck is electromagnetic shielding film (EMI layer), PET basement membrane 121 and MESH layer (perhaps sputtering layer) 122, consists of; Topmost one deck is comprised of with having the scratch resistant function HC of abrasionproof (hard coating) layer or having the AR functional layer 132 that reduces external reflection light PET basement membrane 131.Be equipped with respectively PSA (pressure sensitive adhesive) layer 141,142,143 between three layers and plasma screen, wherein has toning function (R, G, B dyestuff or pigment) in 141, near infrared ray block function (NIR-cut dye), neon gold-tinted block function (Ne-cut dye).This kind structure filter coating has electromagnetic radiation shielding, the near infrared light blocking-up, and the blocking-up of neon gold-tinted, regulate color, strengthens contrast, reduces the effects such as reflectivity.Be embodied as: bottom one deck is that double-deck contrast strengthens film 111 and 112 realizations absorb external ambient light, improves the function of bright chamber contrast, and this is Core Feature of the present invention; Middle one deck is the EMI layer, PET basement membrane 121 and MESH layer (perhaps sputtering layer) 122, consists of, and, by this layer, can realize electro-magnetic screen function; Topmost one deck is comprised of with having the scratch resistant function HC of abrasionproof (hard coating) layer or having the AR functional layer 132 that reduces external reflection light PET basement membrane 131, and psa layer 141, wherein, psa layer 141 has the near infrared light blocking-up, the blocking-up of neon gold-tinted, regulate the effects such as color, functional layer 132 has the function that abrasionproof is scratch resistant, reduce external reflection light.Special feature of the present invention is to realize absorbing external ambient light, the contrast enhancing rete that improves the function of bright chamber contrast is double-decker, avoid strengthening bright chamber contrast thereby reach, and visually forming blank screen because the leakage of the extraneous light that the jejune problem of technology controlling and process causes hides.
Fig. 3 strengthens the rete sectional view according to the double-deck contrast of the embodiment of the present invention, strengthens 111 layers and 112 layers of films by double-deck contrast and forms, and 111 layers identical with 112 layers of structure, and up and down is overlapping.Double-deck contrast strengthens in 111 layers and 112 layers of films and is distributed with shutter body 113, shutter body 113 shapes can for but be not limited to triangular shape.Double-deck contrast strengthens the rete forming process and can be, at first apply one deck UV hard resin-layer, utilize roll-in to form the groove of shutter body 113 shapes, carry out the UV sclerosis, insert black material (such as the UV hardening resin) in groove, thereby form 112 layers that comprise shutter body 113 structures.Continuation applies one deck UV hard resin-layer on 112 layers, utilize roll-in to form the groove of shutter body 113 shapes, carries out the UV sclerosis, inserts black material (such as the UV hardening resin) in groove, thereby forms 111 layers that comprise shutter body 113 structures.It is exactly finally the form that double-deck contrast strengthens rete.As shown in Figure 3, incident ray and contrast strengthen the rete Plane Angle and sponge less than angle 150 body 113 that all is blocked.This double-deck height is between 100-280 μ m; Angle 150 is between 20-70 °; Shutter body 113 refractive index ratios 111 and 112 high 0.2-0.8 are doubly.Fig. 4-6 show the replaceable structure of shutter body 113.
Fig. 7-8th, the placement formal transformation of double-decker, can, with wherein one deck inversion, also can two-layerly all be inverted.
Fig. 9-11st, strengthen the plan structure schematic diagram of film according to the contrast of the embodiment of the present invention, xsect is the strip exterior light absorbent portion 113 and the whole maintenance level of filter coating of triangle or other shapes, keeping parallelism or keep certain angle between bar and bar.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a flat display screen used light-filtering film, is characterized in that, comprising:
Contrast strengthens film;
The electromagnetic shielding film, be arranged on described contrast and strengthen on film; And
Scratch resistant layer or reduction external reflection photosphere, be arranged on described electromagnetic shielding film;
Wherein, it is that double-deck contrast strengthens film that described contrast strengthens film, and it is the resin bed with extinction or shading performance that described contrast strengthens film.
2. filter coating according to claim 1, is characterized in that, the thickness that described contrast strengthens film is 100-280 μ m.
3. filter coating according to claim 1, is characterized in that, described resin bed is the inner transparent UV hard resin-layer that is provided with equably shutter body, and described shutter body is the strip that is parallel to each other.
4. filter coating according to claim 3, is characterized in that, the described transparent UV hardening resin floor height 0.2-0.8 of the refractive index ratio of described shutter body doubly.
5. filter coating according to claim 3, is characterized in that, described shutter body extends along the direction of the horizontal center line that is parallel to described panel display screen.
6. filter coating according to claim 3, is characterized in that, described shutter body becomes to be scheduled to angle with the horizontal center line of described panel display screen.
7. filter coating according to claim 3, is characterized in that, described shutter body has the xsect of triangle, trapezoidal or rectangle.
8. filter coating according to claim 3, is characterized in that, the visible light transmissivity of described filter coating is 20%-80%.
9. filter coating according to claim 3, is characterized in that, described shutter body is black.
10. the preparation method of the described filter coating of any one in a claim 1-9, it is characterized in that, double-deck contrast is strengthened film, electromagnetic shielding film, scratch resistant layer or reduces the external reflection photosphere being bonded together with pressure sensitive adhesive successively, the making that wherein said double-deck contrast strengthens film comprises the following steps:
1) apply layer of transparent UV hard resin-layer, utilize roll-in to form the groove of shutter body shape, carry out the UV sclerosis;
2) insert the shutter body material in described groove; And
3) repeating step 1) and 2), make described double-deck contrast and strengthen film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104579081A CN102520472B (en) | 2011-12-31 | 2011-12-31 | Flat display screen used light-filtering film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104579081A CN102520472B (en) | 2011-12-31 | 2011-12-31 | Flat display screen used light-filtering film and preparation method thereof |
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| Publication Number | Publication Date |
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| CN102520472A CN102520472A (en) | 2012-06-27 |
| CN102520472B true CN102520472B (en) | 2013-11-13 |
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| CN2011104579081A Expired - Fee Related CN102520472B (en) | 2011-12-31 | 2011-12-31 | Flat display screen used light-filtering film and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11119215A (en) * | 1997-10-17 | 1999-04-30 | Matsushita Electric Ind Co Ltd | Reflection type liquid crystal display device |
| CN101498800A (en) * | 2008-01-31 | 2009-08-05 | 甘国工 | Contrast enhancement film structure for display and display or display screen employing the same |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100804276B1 (en) * | 2006-08-17 | 2008-02-18 | 주식회사 엘지화학 | Contrast-enhancing film, PD filter and display device comprising same |
| KR20080020271A (en) * | 2006-08-31 | 2008-03-05 | 주식회사 엘지화학 | Contrast enhancement film to prevent moiré pattern formation, PD filter and display device comprising the same |
| EP2061019A4 (en) * | 2006-09-06 | 2011-09-14 | Toray Advanced Film Co Ltd | DISPLAY FILTER AND METHOD FOR ITS MANUFACTURE AND DISPLAY MANUFACTURING METHOD |
| KR101047946B1 (en) * | 2006-10-25 | 2011-07-12 | 주식회사 엘지화학 | Electromagnetic shielding film having a transparent function and a near infrared ray absorption function, an optical filter comprising the same, and a plasma display panel comprising the same |
| KR100948766B1 (en) * | 2006-12-22 | 2010-03-23 | 삼성코닝정밀유리 주식회사 | External light shielding film and optical filter for display device including same |
| JP2008268269A (en) * | 2007-04-16 | 2008-11-06 | Dainippon Printing Co Ltd | Filter for display device, manufacturing method thereof, and display device with filter |
| KR100961224B1 (en) * | 2007-05-10 | 2010-06-03 | 삼성에스디아이 주식회사 | Filter and display device having same |
| JP5109708B2 (en) * | 2008-02-19 | 2012-12-26 | 住友大阪セメント株式会社 | Optical filter |
| JP2011137978A (en) * | 2009-12-28 | 2011-07-14 | Dainippon Printing Co Ltd | Optical sheet, method of manufacturing the same, and image display device |
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2011
- 2011-12-31 CN CN2011104579081A patent/CN102520472B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11119215A (en) * | 1997-10-17 | 1999-04-30 | Matsushita Electric Ind Co Ltd | Reflection type liquid crystal display device |
| CN101498800A (en) * | 2008-01-31 | 2009-08-05 | 甘国工 | Contrast enhancement film structure for display and display or display screen employing the same |
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| CN102520472A (en) | 2012-06-27 |
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Granted publication date: 20131113 Termination date: 20161231 |