CN102729552B - Black and white film - Google Patents
Black and white film Download PDFInfo
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- CN102729552B CN102729552B CN201210208090.4A CN201210208090A CN102729552B CN 102729552 B CN102729552 B CN 102729552B CN 201210208090 A CN201210208090 A CN 201210208090A CN 102729552 B CN102729552 B CN 102729552B
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Abstract
The invention discloses a black and white film which comprises at least one white structure layer and one black structure layer. In the invention, the structure and the composition of the black and white film are optimized, so the black and white film has the advantages of excellent shading effect, light resistance, complete satisfying of shielding demands of parts in a display apparatus, smooth and flat surface, no fading, and good high temperature dimensional stability, and the white surface has an excellent light reflection effect, thereby lights emitted by a backlight source can be fully and effectively utilized to improve the display effect of a liquid crystal display panel. An arranged bonding layer allows the fixation, the shading and the light reflection effects of display part light source frames and the like to be further satisfied, and the black and white film which has an excellent molding processing performance can satisfy various molding processing demands.
Description
Technical field
The present invention relates to a kind of film, be specifically related to a kind of black and white film.
Background technology
In recent years, the electronic product of lcd technology every field in life is able to extensive use, as: mobile communication equipment display, computer/television indicator, contact panel, monitor, GPS display instrument, MP3/MP4 etc.But due to liquid crystal itself not luminous, the light source that display panels must rely on backlight to provide sufficient brightness for it and be evenly distributed, thus make panel of LCD can normal show image.
But, along with the extensive use of lcd technology, display panels performance requirement is also improved increasingly, mainly concentrate on and improve in lightness.At present, for the raising of display panels display lightness, it depends on the effective utilization to the light that backlight sends to a great extent, but traditional display panels causes the light effective rate of utilization of backlight not enough due to construction itself, therefore how to solve the light Utilizing question to backlight, become one of research focus.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, a kind of black and white film is provided.
For solving above-mentioned technical problem, the present invention by the following technical solutions:
Black and white film, described black and white film at least comprises white structure sheaf and black structures layer.
Further technical scheme is, described black and white film also comprises adhesive linkage.
Further technical scheme is, the position between described white structure sheaf and described black structures layer, described white structure sheaf are provided with adhesive linkage away from the position in the one side of described black structures layer and described black structures layer away from least one position in the position in the one side of described white structure sheaf.
Further technical scheme is, described adhesive linkage comprises the first adhesive linkage, the second adhesive linkage and the 3rd adhesive linkage, described black structures layer is arranged between described second adhesive linkage and described 3rd adhesive linkage, and described white structure sheaf is arranged between described first adhesive linkage and described second adhesive linkage.
Further technical scheme is, described white structure sheaf at least comprises engineering plastics and white dye, and described white structure sheaf also comprises one or more compositions in antioxidant, ultraviolet absorber, fire retardant, antistatic additive.
Further technical scheme is, described black structures layer at least comprises engineering plastics and black dyes, and described black structures layer also comprises one or more compositions in antioxidant, ultraviolet absorber, fire retardant, antistatic additive.
Further technical scheme is, described engineering plastics are one or more in Merlon, PETG, polyamide, polyimides, polyphenylene oxide, polyphenylene sulfide.
Further technical scheme is again, and the light transmission rate of described black and white film is zero.
Further technical scheme is again, and the light reflectivity of the white structure sheaf of described black and white film is greater than 80%.
Compared with prior art, the invention has the beneficial effects as follows: the structure and the composition that present invention optimizes black and white film, black and white film is made to possess excellent shaded effect, product is light tight, the mask requirement, the smooth surface that meet display unit inner part be completely smooth, do not fade, high temperature dimensional stability is good, and white face possesses excellent light reflecting effect, the light that can send backlight carries out fully effectively utilizing, better to promote the display effect of display panels.By the adhesive linkage arranged, can meet fixing, shading and the light reflex of display unit light source frame etc. further, this black and white film possesses excellent molding processibility on the other hand, meets various processing and forming demand.Antioxidant by increasing in the present invention makes material against oxidative ability strengthen, and improves the service life of this black and white film; Ultraviolet absorber can prevent its cracking, foaming, efflorescence, come off and variable color; Fire retardant can improve the fire protecting performance of material, and flame retardant rating at least reaches UL-94VTM-2; Antistatic additive makes material surface resistance be down to 13 power ohm level of 8 powers to 10 of 10; Other auxiliary agent can play the effects such as increase-volume, lubrication, dispersion.
Accompanying drawing explanation
Fig. 1 is the black and white film cross-sectional view of first embodiment.
Fig. 2 is the black and white film cross-sectional view of second embodiment.
Fig. 3 is the black and white film cross-sectional view of the 3rd embodiment.
Fig. 4 is the black and white film cross-sectional view of the 4th embodiment.
Fig. 5 is the black and white film cross-sectional view of the 5th embodiment.
Fig. 6 is the black and white film cross-sectional view of the 5th embodiment.
Fig. 7 is the black and white film cross-sectional view of the 5th embodiment.
Fig. 8 is the black and white film cross-sectional view of the 5th embodiment.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described, but embodiments of the present invention are not limited thereto.
Embodiment 1
As shown in Figure 1, black and white film, comprises white structure sheaf 110 and black structures layer 120.Described white structure sheaf 110 and the coextru-lamination of described black structures layer 120.
Engineering plastics, mass ratio that described white structure sheaf 110 is 39% to 98.8% by mass ratio be 0.05% to 30% white dye, the mass ratio antioxidant that is 0.05% to 1%, the mass ratio ultraviolet absorber that is 0.05-4%, mass ratio be 0.05% to 20% fire retardant, mass ratio is the antistatic additive of 1% to 6%, and a small amount of dispersant, compatilizer and lubricating auxiliary agent etc. are mixed.
Engineering plastics, mass ratio that described black structures layer 120 is 39% to 98.8% by mass ratio be 0.05% to 30% black dyes, the mass ratio antioxidant that is 0.05% to 1%, the mass ratio ultraviolet absorber that is 0.05-4%, mass ratio be 0.05% to 20% fire retardant, mass ratio is the antistatic additive of 1% to 6%, and a small amount of dispersant, compatilizer and lubricating auxiliary agent etc. are mixed.
In the composition of wherein white structure sheaf 110 and black structures layer 120: described engineering plastics are Merlon, PETG, polyamide, polyimides, polyphenylene oxide, polyphenylene sulfide; Described white dye and black dyes are can be organic dyestuff that is white or black by coloring plastic; Described antioxidant is two (2.4-di-tert-butyl-phenyl) pentaerythritol diphosphites, 2.2-oxalyl amido-bis-[ethyl-3-(3.5-di-tert-butyl-hydroxy phenyl)] propionic ester, pentaerythrite four (3-lauryl thiopropionate); Described ultraviolet absorber is in UV-531,2-(2-hydroxyl-3.5-dicumylphenyl) BTA, 2-(the special octyl phenyl of 2-hydroxyl-5-) BTA or other ultraviolet absorber; Described fire retardant is for containing phosphorus flame retardant; Described antistatic additive is alkyl salt anionic antistatic agent.
Antioxidant in this black and white film makes material against oxidative ability strengthen, and improves the service life of this black and white film; Ultraviolet absorber can prevent its cracking, foaming, efflorescence, come off and variable color; Fire retardant can improve the fire protecting performance of material, and flame retardant rating at least reaches UL-94VTM-2; Antistatic additive makes material surface resistance be down to 13 power ohm level of 8 powers to 10 of 10; Other auxiliary agent can play the effects such as increase-volume, lubrication, dispersion.
Embodiment 2
As shown in Figure 2, black and white film comprises white structure sheaf 110, black structures layer 120 and adhesive linkage 130.Described white structure sheaf 110 is arranged between described black structures layer 120 and described adhesive linkage 130, and described white structure sheaf 110, described black structures layer 120 and described adhesive linkage 130 are by being connected to each other by the mode of coating.The adhesive linkage arranged in this black and white film, can meet fixing, shading and the light reflex of display unit light source frame etc., widen the range of application of this black and white film.Other parts in the present embodiment to play function identical with embodiment one with effect, therefore not repeat them here.
Embodiment 3
As shown in Figure 3, black and white film comprises white structure sheaf 110, black structures layer 120 and adhesive linkage 130.Described adhesive linkage 130 is arranged between described black structures layer 120 and described white structure sheaf 110, and described white structure sheaf 110, described black structures layer 120 and described adhesive linkage 130 are by being connected to each other by the mode of coating.The adhesive linkage arranged in this black and white film, can meet fixing, shading and the light reflex of display unit light source frame etc., widen the range of application of this black and white film.Other parts in the present embodiment to play function identical with embodiment 2 with effect, therefore not repeat them here.
Embodiment 4
As shown in Figure 4, black and white film comprises white structure sheaf 110, black structures layer 120 and adhesive linkage 130.Described black structures layer 120 is arranged between described adhesive linkage 130 and described white structure sheaf 110, and described white structure sheaf 110, described black structures layer 120 and described adhesive linkage 130 are by being connected to each other by the mode of coating.The adhesive linkage arranged in this black and white film, can meet fixing, shading and the light reflex of display unit light source frame etc., widen the range of application of this black and white film.Other parts in the present embodiment to play function identical with embodiment 3 with effect, therefore not repeat them here.
Embodiment 5
As shown in Figure 5, black and white film comprises white structure sheaf 110, black structures layer 120, first adhesive linkage 130 and the second adhesive linkage 140.Described white structure sheaf 110 is arranged between described first adhesive linkage 130 and described black structures layer 120, and described black structures layer 120 is arranged between described white structure sheaf 110 and described second adhesive linkage 140.White structure sheaf 110, black structures layer 120, first adhesive linkage 130 are connected by the mode of coextru-lamination with the second adhesive linkage 140.Two adhesive linkage structures that this black and white film is arranged, can meet the fixation of display components inside further, meet higher application demand, further broaden application scope.The present embodiment other parts, and function is identical with embodiment 1 with effect.
Embodiment 6
As shown in Figure 6, black and white film comprises white structure sheaf 110, black structures layer 120, first adhesive linkage 130 and the second adhesive linkage 140.Described white structure sheaf 110 is arranged between described first adhesive linkage 130 and described second adhesive linkage 140, and described second adhesive linkage 140 is arranged between described white structure sheaf 110 and described black structures layer 120.White structure sheaf 110, black structures layer 120, first adhesive linkage 130 are connected by the mode of coextru-lamination with the second adhesive linkage 140.Two adhesive linkage structures that this black and white film is arranged, can meet the fixation of display components inside further, meet higher application demand, further broaden application scope.The present embodiment other parts, and function is identical with embodiment 5 with effect.
Embodiment 7
As shown in Figure 7, black and white film comprises white structure sheaf 110, black structures layer 120, first adhesive linkage 130 and the second adhesive linkage 140.Described first adhesive linkage 130 is arranged between described white structure sheaf 110 and described black structures layer 120, and described black structures layer 120 is arranged between described first adhesive linkage 130 and described second adhesive linkage 140.White structure sheaf 110, black structures layer 120, first adhesive linkage 130 are connected by the mode of coextru-lamination with the second adhesive linkage 140.Two adhesive linkage structures that this black and white film is arranged, can meet the fixation of display components inside further, meet higher application demand, further broaden application scope.The present embodiment other parts, and function is identical with embodiment 5 with effect.
Embodiment 8
As shown in Figure 8, black and white film comprises white structure sheaf 110, black structures layer 120, first adhesive linkage 130, second adhesive linkage 140 and the 3rd adhesive linkage 150.Described white structure sheaf 110 is arranged between described first adhesive linkage 130 and described second adhesive linkage 140, and described black structures layer 120 is arranged between described 3rd adhesive linkage 150 and described second adhesive linkage 140.White structure sheaf 110, black structures layer 120, first adhesive linkage 130, second adhesive linkage 140 are connected by the mode of coextru-lamination with the 3rd adhesive linkage 150.Three adhesive linkage structures that this black and white film is arranged, further can meet the fixation of display components inside, meet higher application demand, further broaden application scope.The present embodiment other parts, and function is identical with embodiment 5 with effect.
Although with reference to explanatory embodiment of the present invention, invention has been described here, but not in order to limit the present invention, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of, accompanying drawing open in the application and claim, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Such as, described engineering plastics are at least one in Merlon, PETG, polyamide, polyimides, polyphenylene oxide, polyphenylene sulfide; Described white dye and black dyes are can be white by coloring plastic or at least one in the organic or inorganic dyestuff of black; Described antioxidant is at least one in two (2.4-di-tert-butyl-phenyl) pentaerythritol diphosphites, 2.2-oxalyl amido-bis-[ethyl-3-(3.5-di-tert-butyl-hydroxy phenyl)] propionic ester, pentaerythrite four (3-lauryl thiopropionate) or other antioxidant; Described ultraviolet absorber is at least one in UV-531,2-(2-hydroxyl-3.5-dicumylphenyl) BTA, 2-(the special octyl phenyl of 2-hydroxyl-5-) BTA or in other ultraviolet absorber; Described fire retardant is at least one in phosphorous system, fluorine-containing system, siliceous system, phosphorus-nitrogen containing system, sulfur-bearing system; Described antistatic additive is at least one in alkyl salt anionic, quaternaries cation type, the both sexes of alkyl imidazoline salt, polyol esters of fatty acids class nonionic etc.Again such as: white structure sheaf, to be connected by the mode of coextru-lamination or coating between black structures layer and adhesive linkage.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, purposes of the present invention also will be obvious.
Claims (5)
1. black and white film, is characterized in that: described black and white film at least comprises white structure sheaf (110) and black structures layer (120); Described black and white film also comprises adhesive linkage; Position between described white structure sheaf (110) and described black structures layer (120), described white structure sheaf (110) are provided with adhesive linkage (130 away from the position in the one side of described black structures layer (120) and described black structures layer (120) away from least one position in the position in the one side of described white structure sheaf (110), 140,150);
Engineering plastics, mass ratio that described white structure sheaf (110) is 39% to 98.8% by mass ratio be 0.05% to 30% white dye, the mass ratio antioxidant that is 0.05% to 1%, the mass ratio ultraviolet absorber that is 0.05-4%, mass ratio be 0.05% to 20% fire retardant, mass ratio is the antistatic additive of 1% to 6%, and a small amount of dispersant, compatilizer and lubricating auxiliary agent are mixed;
Engineering plastics, mass ratio that described black structures layer (120) is 39% to 98.8% by mass ratio be 0.05% to 30% black dyes, the mass ratio antioxidant that is 0.05% to 1%, the mass ratio ultraviolet absorber that is 0.05-4%, mass ratio be 0.05% to 20% fire retardant, mass ratio is the antistatic additive of 1% to 6%, and a small amount of dispersant, compatilizer and lubricating auxiliary agent are mixed.
2. black and white film according to claim 1, it is characterized in that: described adhesive linkage comprises the first adhesive linkage (130), the second adhesive linkage (140) and the 3rd adhesive linkage (150), described black structures layer (120) is arranged between described second adhesive linkage (140) and described 3rd adhesive linkage (150), and described white structure sheaf (110) is arranged between described first adhesive linkage (130) and described second adhesive linkage (140).
3. according to the black and white film described in claim 1 or 2, it is characterized in that: described engineering plastics are one or more in Merlon, PETG, polyamide, polyimides, polyphenylene oxide, polyphenylene sulfide.
4. according to the black and white film described in claim 3, it is characterized in that: the light transmission rate of described black and white film is zero.
5. according to the black and white film described in claim 3, it is characterized in that: the light reflectivity of the white structure sheaf (110) of described black and white film is greater than 80%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210208090.4A CN102729552B (en) | 2012-06-21 | 2012-06-21 | Black and white film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210208090.4A CN102729552B (en) | 2012-06-21 | 2012-06-21 | Black and white film |
Publications (2)
| Publication Number | Publication Date |
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| CN102729552A CN102729552A (en) | 2012-10-17 |
| CN102729552B true CN102729552B (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210208090.4A Active CN102729552B (en) | 2012-06-21 | 2012-06-21 | Black and white film |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103059520B (en) * | 2012-12-14 | 2015-01-07 | 宁波长阳科技有限公司 | Flame-retardant polyethylene terephthalate (PET) white master batch and preparation method thereof |
| CN104085161A (en) * | 2014-07-08 | 2014-10-08 | 苏州佳值电子工业有限公司 | Shading and damping foam |
| CN114919147B (en) * | 2022-06-02 | 2023-11-14 | 四川龙华光电薄膜股份有限公司 | Preparation process of thin shading reflecting sheet for backlight module |
| CN114859604B (en) * | 2022-06-02 | 2024-04-05 | 四川龙华光电薄膜股份有限公司 | Shading reflecting film, backlight module and preparation method of backlight module |
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| CN201665033U (en) * | 2010-03-12 | 2010-12-08 | 上海纳尔实业有限公司 | Unidirectional perspective film with 50% light transmittance |
| CN102145563A (en) * | 2010-02-10 | 2011-08-10 | 上海纳尔数码喷印材料股份有限公司 | Digital printing single-side perspective PVC (polyvinyl chloride) black and white film and fabrication process of black and white film |
| CN102343692A (en) * | 2010-08-02 | 2012-02-08 | 上海纳尔数码喷印材料股份有限公司 | Interior unidirectional perspective digital printing material |
| CN202727425U (en) * | 2012-06-21 | 2013-02-13 | 绵阳龙华薄膜有限公司 | Black and white membrane |
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2012
- 2012-06-21 CN CN201210208090.4A patent/CN102729552B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145563A (en) * | 2010-02-10 | 2011-08-10 | 上海纳尔数码喷印材料股份有限公司 | Digital printing single-side perspective PVC (polyvinyl chloride) black and white film and fabrication process of black and white film |
| CN201665033U (en) * | 2010-03-12 | 2010-12-08 | 上海纳尔实业有限公司 | Unidirectional perspective film with 50% light transmittance |
| CN102343692A (en) * | 2010-08-02 | 2012-02-08 | 上海纳尔数码喷印材料股份有限公司 | Interior unidirectional perspective digital printing material |
| CN202727425U (en) * | 2012-06-21 | 2013-02-13 | 绵阳龙华薄膜有限公司 | Black and white membrane |
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| CN102729552A (en) | 2012-10-17 |
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Address after: 621000 Mianyang province Sichuan City Feiyun Road in the middle of 363 Applicant after: MIANYANG LONGHUA FILM CO., LTD. Address before: 621000 Mianyang province Sichuan City Feiyun Road in the middle of 363 Applicant before: Mianyang Longhua Film Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: MIANYANG LONGHUA FILM CO., LTD. TO: SICHUAN LONGHUA PHOTOELECTRIC FILM CO., LTD. |
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Denomination of invention: Black and white film Effective date of registration: 20210202 Granted publication date: 20150107 Pledgee: Agricultural Bank of China, Limited by Share Ltd, Mianyang, Fucheng branch Pledgor: Sichuan Longhua Film Co.,Ltd. Registration number: Y2021980000918 |