CN113504587A - Integrated diaphragm with black display effect - Google Patents
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- CN113504587A CN113504587A CN202110748217.0A CN202110748217A CN113504587A CN 113504587 A CN113504587 A CN 113504587A CN 202110748217 A CN202110748217 A CN 202110748217A CN 113504587 A CN113504587 A CN 113504587A
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Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/113—Anti-reflection coatings using inorganic layer materials only
- G02B1/115—Multilayers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/18—Coatings for keeping optical surfaces clean, e.g. hydrophobic or photo-catalytic films
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laminated Bodies (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a diaphragm with an integrated black display effect, which comprises a release film, an adhesive layer, a substrate, a semi-transparent anti-glare layer, an anti-reflection layer and an anti-fingerprint layer, wherein the adhesive layer is arranged on the back surface of the substrate, the release film is attached to the adhesive layer, the semi-transparent anti-glare layer is prepared on the front surface of the substrate through a coating process, the anti-reflection absorption layer is arranged on the semi-transparent anti-glare layer through a roll-to-roll process, and the anti-fingerprint layer is prepared on the anti-reflection layer through a coating mode. The coating mode of the invention is similar to that of directly using a semi-transparent material, a hardened layer with nano black pigment is coated on the surface of the substrate, so that the substrate presents a semi-transparent type, and the reflectivity of the surface of the screen is reduced by combining with a coating film, so that the screen effect is better.
Description
The technical field is as follows:
the invention relates to the technical field of display screens, in particular to a diaphragm with an integrated black display effect.
Background art:
with the improvement of the aesthetic sense of consumers, people pursue the aesthetic sense more and more, but the display area and the edge ink area have obvious color difference boundary under the state of the breath screen of most of current display screens, and the visual effect is poor. The 'integral black' can realize that the color difference between the display area and the edge ink area of the display screen in the breath screen state is difficult to distinguish by naked eyes, and the created visual impression is integral, so that the product appearance is higher-grade, atmospheric and beautiful and has scientific and technological senses, and meanwhile, the product differentiation is created, thereby improving the purchase desire of consumers. Besides vehicle-mounted display, the intelligent display system is also widely applied to intelligent terminals such as smart phones, intelligent wearing, medium and high-grade touch control pen power and the like.
Disclosure of Invention
The invention mainly provides a diaphragm with semi-transparent anti-dazzle, AR anti-reflection and anti-fingerprint effects, which is realized through coating and film coating processes, and is bonded on intelligent terminals such as vehicle-mounted displays, intelligent mobile phones, intelligent wearing, medium and high-grade touch pens and the like by combining a bonding process.
In order to achieve the above purpose, the invention adopts the technical scheme that:
the diaphragm with the integrated black display effect comprises a release film, an adhesive layer, a substrate, a semi-transparent anti-glare layer, an anti-reflection layer and an anti-fingerprint layer, wherein the adhesive layer is arranged on the back surface of the substrate, the release film is attached to the adhesive layer, the semi-transparent anti-glare layer is prepared on the front surface of the substrate through a coating process, the anti-reflection absorption layer is arranged on the semi-transparent anti-glare layer through a roll-to-roll process, and the anti-fingerprint layer is prepared on the anti-reflection layer through a coating mode.
The further technology of the invention is as follows:
preferably, the coating liquid used for the semi-transparent anti-glare layer consists of anti-glare particles, black pigment, organic resin, diluent, initiator and auxiliary agent, and the transmittance is 50-80%.
Preferably, the antiglare microparticles in the semi-transparent antiglare layer consist of SiO2 or PMMA particles with the particle size of 100nm-5 um; the black pigment is composed of carbon black with the particle size of 1nm-100nm, aniline black, graphite or acetylene black; organic resin: one or more of urethane acrylate resin, special modified pure acrylate resin, hydrogen furfuryl acrylate, hexanediol diacrylate and the like; diluent agent: one or more of isopropanol, propylene glycol methyl ether, ethyl acetate, toluene and the like; auxiliary agent: modified polydimethylsiloxane solution.
Preferably, the outermost layer of the anti-reflection absorption layer is a low-refractive-index film layer, a high-refractive-index film layer is arranged below the outermost layer, and the high-refractive-index layer and the low-refractive-index layer are sequentially alternated.
Preferably, the refractive index of the high-refractive-index film layer is 1.9-3.0, and the refractive index of the low-refractive-index film layer is 1.2-1.8;
the low refractive index film layer is a SiO2 film layer, and the high refractive index film layer is a Nb2O5 film layer, a TiO2 film layer or Si3N4 film layer.
The invention has the following beneficial effects:
the semi-transparent anti-glare layer has certain light absorption performance under the condition of realizing anti-glare, and the visual area (brightness) value and the non-visual area brightness value are close to each other in the screen extinguishing state of the display screen, so that the screen extinguishing integrated black effect is achieved;
the semi-transparent anti-glare layer prevents the phenomena of white emission, dazzling and the like caused by the incidence of external light on the surface of the screen and self-luminescence, and improves the picture quality of the display screen;
the coating realizes that the anti-glare layer is more environment-friendly than the existing glass etching realizes that the anti-glare layer is more environment-friendly;
compared with the existing sheet type coating process, the roll-to-roll coating process has high productivity, good process stability and high production yield;
the membrane has explosion-proof performance, and the explosion-proof performance of the screen can be improved by combining the laminating process and Glass laminating;
the process yield can be improved and the glass loss can be reduced by the laminating film, and the glass can be recycled by reworking (removing the film with poor appearance laminated on the glass and laminating the OK film again) due to the laminating process.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a product of the present invention;
fig. 2 is a schematic view of an antireflection layer structure according to the present invention.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the case where the TFT glass panel has not been changeable, the realization of the integral black can be realized only by changing the color of the panel. The implementation of the "integral black" panel is as follows:
and (3) screen printing mode: after the cover plate is subjected to CNC, strengthening and silk-screen/evaporation black frame printing, a layer of IR printing ink semi-permeable printing is carried out on a window area or a key part of the glass cover plate, and the integral black effect is realized by adjusting the color and the transmittance of the printing ink.
The film coating mode is as follows: different from a silk screen printing mode, the technology for realizing 'integral black' independently developed by Woge photoelectricity directly plates a layer of inorganic film on a glass cover plate through magnetron sputtering and an optical principle, and adjusts reflection, transmission and chromatic aberration of a film layer window area, so that the colors of a touch display screen window and a silk screen frame are consistent. The transmittance can reach 80 percent, and the reflectivity is less than 2 percent.
Semi-transparent materials are used: the integrated black effect is realized by directly using a semi-transparent material, and the material can be plastic or glass. The plastic material is processed into integral black, toner is usually added into a resin material, and the integral black effect is realized by blending the addition amount of the toner in the material; the glass can be added with color during production, and can also be dyed. The processing mode of directly using the semi-transparent material can realize fine 'integrative black' visual effect, and apron surface permeability is unanimous.
The screen that can't satisfy through the integrative black of silk screen printing mode realization apron has low reflection effect among the above-mentioned three scheme, and is not good to improving screen image quality effect. And the integrated black process debugging window is narrow only by a film coating mode. The semi-transparent material is used in the same way as the screen printing method, which has a poor effect on improving the screen quality. The middle coating mode is similar to the mode of directly using a semi-transparent material, a hardened layer with nano black pigment is coated on the surface of the base material, so that the base material is semi-transparent, the reflectivity of the surface of the screen is reduced by combining with the coating, the screen effect is better, and the result of the two modes also changes the disadvantage that the window is narrow only through the coating process.
Specifically, as shown in fig. 1, the integrated black display effect membrane includes a release film, an adhesive layer (OCA), a substrate (not limited to PET, TAC, SRF, etc., PET), a semi-transparent antiglare layer (AG), an anti-reflection layer (AR), and an anti-fingerprint layer (AF) selected in the present case, the adhesive layer is disposed on the back of the substrate, the release film is attached to the adhesive layer, the semi-transparent antiglare layer is prepared on the front of the substrate through a coating process, the anti-reflection absorption layer is disposed on the semi-transparent antiglare layer through a roll-to-roll process, and the anti-fingerprint layer is prepared on the anti-reflection layer through a coating process.
The coating liquid used by the semi-transparent anti-glare layer consists of anti-glare particles, black pigment, organic resin, diluent, initiator and auxiliary agent, and the transmittance is 50-80%.
The anti-dazzle particles in the semi-transparent anti-dazzle layer consist of SiO2 or PMMA particles with the particle size of 100nm-5 um;
the black pigment is composed of carbon black with the particle size of 1nm-100nm, aniline black, graphite or acetylene black;
organic resin: one or more of urethane acrylate resin, special modified pure acrylate resin, hydrogen furfuryl acrylate, hexanediol diacrylate and the like;
diluent agent: one or more of isopropanol, propylene glycol methyl ether, ethyl acetate, toluene and the like.
Auxiliary agent: modified polydimethylsiloxane solution.
The first embodiment is as follows: to 25 parts by weight of urethane acrylate resin, 15 parts by weight of hydrogen furfuryl acrylate, 18 parts by weight of propylene glycol methyl ether, 30 parts by weight of ethyl acetate, 0.5 part by weight of modified polydimethylsiloxane solution, 1.5 parts by weight of modified organosiloxane polymer, 4 parts by weight of SIO2 particles, and 0.5% by weight of 50nm carbon black were added, and after stirring them uniformly, 6 parts by weight of a lencolo 5006-based general-purpose photoinitiator 184 was added, and stirring them uniformly was carried out to obtain a coating liquid.
The prepared coating liquid is coated on one surface of a 60-micron-thick TAC substrate, the coating thickness is 3-5 microns, the baking temperature is 80 ℃/2min, the UV curing condition is 500-700mj/cm2 ultraviolet irradiation dose, and the performance of the related coating liquid is tested, and the result is shown in Table 1.
Example two: 15 parts by weight of hexanediol diacrylate, 15 parts by weight of ethyl acetate, 25 parts by weight of toluene, 0.8 part by weight of a modified polydimethylsiloxane solution, 1.2 parts by weight of a modified organosiloxane polymer, 4 parts by weight of PMMA particles, and 1.5% by weight of 70nm carbon black were added to 30 parts by weight of a special modified pure acrylate resin, and after stirring uniformly, 9 parts by weight of a lencolo 5022754 photoinitiator was added, and the mixture was stirred uniformly to obtain a coating liquid.
The prepared coating liquid is coated on one surface of a 60-micrometer-thick TAC substrate, the coating thickness is 4-6 micrometers, the baking temperature is 80 ℃/1.5min, the UV curing condition is 400-600mj/cm2 ultraviolet irradiation dose, and the performance of the related coating liquid is tested, and the result is shown in Table 1.
As shown in fig. 2, the outermost layer of the antireflective absorption layer is a low refractive index film layer, a high refractive index film layer is arranged immediately below the outermost layer, and the high refractive index layer and the low refractive index layer are sequentially alternated. The refractive index of the high-refractive-index film layer is 1.9-3.0, and the refractive index of the low-refractive-index film layer is 1.2-1.8; the low refractive index film layer is a SiO2 film layer, and the high refractive index film layer is a Nb2O5 film layer, a TiO2 film layer or Si3N4 film layer.
Antireflection layer example:
example three: the thickness of the first low-refractive-index SIO2 film layer is 75-95 nm, the thickness of the first high-refractive-index Nb2O5 film layer is 95-115 nm, the thickness of the second low-refractive-index SIO2 film layer is 30-45 nm, the thickness of the second high-refractive-index Nb2O5 film layer is 7-15 nm, the thickness of the third low-refractive-index SIO2 film layer is 30-45 nm, the reflectivity is less than 0.6%, and test results are shown in Table 2
Example four: the thickness of the first low-refractive-index SIO2 film layer is 75-95 nm, the thickness of the first high-refractive-index Nb2O5 film layer is 35-50 nm, the thickness of the second low-refractive-index TiO2 film layer is 7-10 nm, the reflectivity is less than 0.7%, and the test results are shown in Table 2
The above examples are summarized as follows:
the first scheme is as follows: coating example one and coating example three
Scheme II: coating example one and coating example four
The third scheme is as follows: coating example two and coating example three
And the scheme is as follows: coating example two and plating example four
The results of the tests of the coating and plating examples are shown in Table 3
The test results were as follows:
table 1: results of coating test
| Examples | Film thickness (um) | Hardness of pencil | Transmittance (%) | Haze (%) |
| Example one | 4 | 750g/3H | 75 | 3 |
| Example two | 5 | 750g/4H | 58 | 6 |
Table 2: result of film plating test
| Examples | Reflectance (%) | L* | a* | b* |
| EXAMPLE III | 0.45 | 3.91 | 2.18 | -5.2 |
| Example four | 0.65 | 1.34 | 3.24 | -9.5 |
Table 3: comprehensive test results
Note:
the test values are all test results of a non-silk-screen area;
screen printing area L ═ 2, a ═ 2.5, b ═ 6
The integral black effect is represented by using delta L, delta a and delta b in an LAB color difference space, the smaller the delta L of a test printing area and an unprinted area is, the better the integral black effect is, and the proposal I and the proposal III realize integral black only by adding black pigment into coating liquid and reduce reflection by coating;
the second scheme and the fourth scheme are that coating liquid and coating film are combined to realize black integration, and reflection reduction is realized by coating film;
as can be seen from the test results in table 3, the integrated black film manufactured according to the embodiment of the present invention has AG anti-glare, anti-reflection, and high hardness, and can satisfy the integrated black effect.
The foregoing shows and describes the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The diaphragm of integrative black display effect, its characterized in that: including from type membrane, gluing layer, substrate, semi-transparent type antiglare layer, antireflection layer and anti-fingerprint layer, the gluing layer is established at the substrate back, paste on the gluing layer from the type membrane, the substrate openly prepares semi-transparent type antiglare layer through coating process, the antireflection absorbing layer is established at semi-transparent type antiglare layer through the volume to volume technology, anti-fingerprint layer passes through the coating mode and prepares on antireflection layer and prevents the fingerprint layer.
2. A film having an integral black display effect according to claim 1, wherein: the coating liquid used by the semi-transparent anti-glare layer consists of anti-glare particles, black pigment, organic resin, diluent, initiator and auxiliary agent, and the transmittance of the semi-transparent anti-glare layer is 50-80%.
3. A film having an integral black display effect according to claim 2, wherein: the anti-dazzle particles in the semi-transparent anti-dazzle layer consist of SiO2 or PMMA particles with the particle size of 100nm-5 um; the black pigment is composed of carbon black with the particle size of 1nm-100nm, aniline black, graphite or acetylene black; organic resin: one or more of urethane acrylate resin, special modified pure acrylate resin, hydrogen furfuryl acrylate, hexanediol diacrylate and the like; diluent agent: one or more of isopropanol, propylene glycol methyl ether, ethyl acetate, toluene and the like; auxiliary agent: modified polydimethylsiloxane solution.
4. A film having an integral black display effect according to claim 1, wherein: the outermost layer of the antireflection absorption layer is a low-refractive-index film layer, a high-refractive-index film layer is arranged below the outermost layer, and the high-refractive-index layer and the low-refractive-index layer are sequentially alternated.
5. A film having an integral black display effect according to claim 1, wherein: the refractive index of the high refractive index film layer is 1.9-3.0, and the refractive index of the low refractive index film layer is 1.2-1.8;
the low refractive index film layer is a SiO2 film layer, and the high refractive index film layer is a Nb2O5 film layer, a TiO2 film layer or Si3N4 film layer.
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| CN202110748217.0A CN113504587A (en) | 2021-07-01 | 2021-07-01 | Integrated diaphragm with black display effect |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009204728A (en) * | 2008-02-26 | 2009-09-10 | Nof Corp | Antiglare laminate and display equipped with the same |
| CN106147357A (en) * | 2015-06-02 | 2016-11-23 | 湖北航天化学技术研究所 | A kind of light absorptive anti-glare hard coating film and its preparation method and application |
| CN112694847A (en) * | 2020-12-10 | 2021-04-23 | 安徽胜利精密制造科技有限公司 | Film with anti-dazzle, subtract reflection and prevent fingerprint |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009204728A (en) * | 2008-02-26 | 2009-09-10 | Nof Corp | Antiglare laminate and display equipped with the same |
| CN106147357A (en) * | 2015-06-02 | 2016-11-23 | 湖北航天化学技术研究所 | A kind of light absorptive anti-glare hard coating film and its preparation method and application |
| CN112694847A (en) * | 2020-12-10 | 2021-04-23 | 安徽胜利精密制造科技有限公司 | Film with anti-dazzle, subtract reflection and prevent fingerprint |
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Application publication date: 20211015 |