CN1648692A - Method for producing surface optical layer - Google Patents
Method for producing surface optical layer Download PDFInfo
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- CN1648692A CN1648692A CNA2004100027316A CN200410002731A CN1648692A CN 1648692 A CN1648692 A CN 1648692A CN A2004100027316 A CNA2004100027316 A CN A2004100027316A CN 200410002731 A CN200410002731 A CN 200410002731A CN 1648692 A CN1648692 A CN 1648692A
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- light
- manufacture method
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- transmissive resin
- surface optics
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Abstract
The production process of surface optical layer includes first painting several kinds of transparent resin material onto optical sheet, then exposing the transparent resin material with UV in the first power value, and finally hardening the transparent resin material with UV in the second power value, with the second power value being greater than the first power value. In this way, surface optical layer of different optical properties may be obtained via regulating the strength of UV for exposing and hardening without altering the original recipe and painting parameters of the resin material.
Description
Technical field
The present invention is about a kind of display device, and particularly relevant for a kind of manufacture method of surface optics layer.
Background technology
In the penetrating type display, because its internal light source can outwards penetrate, therefore if do not make the internal light source diffusion, and make it continue straightaway, then the user is when visual display, can feel the dazzling phenomenon that causes by internal light source, thereby the surface of display is many can be coated with one deck anti-dazzle film, with the light diffusion that will penetrate from the display interior light source.On the other hand, when externally irradiate light is to display surface, if do not make the extraneous light diffusion, and make its reflection, then can when user's visual display, disturbed by specular light, allow the user feel dazzling, so anti-dazzle film except spreading, the light that will be enough to the display interior light source is penetrated also must possess the effect of the normal reflection influence reduction of the light that makes outside display incident.
The technology and the patent documentation of at present existing many discussion anti-dazzle films, anti-dazzle film as No. 5998013 disclosed diffusion extraneous light of United States Patent (USP), this anti-dazzle film has the light transmission particle that intersperses among resin, and the concaveconvex shape that forms by light transmission particle in the anti-dazzle film surface aggregation makes the light diffusion.And, prior art all is to adopt the mode of the concaveconvex shape that changes the anti-dazzle film surface, for example increase the doping density of the particle diameter or the adjustment light transmission particle of light transmission particle, change diffusivity or the optical properties such as itself mist degree, sharpness and glossiness of anti-dazzle film extraneous light.
But, in case change the particle diameter or the doping density of light transmission particle in the anti-dazzle film, then be coated with the process parameter of this anti-dazzle film, for example coating speed, baking temperature and time etc., also and then change.Yet, actually, the client tends to after anti-dazzle film prescription and the decision of coating process parameter, require manufacturer to adjust the specification of anti-dazzle film, at this moment, with conventional practice, then must change the prescription of anti-dazzle film earlier, and then after repeatedly attempting and adjusting the parameter of its coating process, the anti-dazzle film of the specification that just can obtain meeting the requirements of the customers.This conventional practice is cost of idleness not only, and labor intensive and spin out the setup time of product volume production, is a kind of uneconomic anti-dazzle film manufacture method therefore.
Summary of the invention
The object of the present invention is to provide a kind of anti-dazzle film, be applied in the display observer to be unlikely when visual display to feel dazzling, thereby increase the visuality of display with diffusion light.
Another object of the present invention is to provide a kind of manufacture method of anti-dazzle film, only change the exposure manufacture process step of anti-dazzle film, and keep its original formulation and coating process parameter, the maneuverability that can adjust with customer demand with the optical property that improves anti-dazzle film.
Another purpose of the present invention is to provide a kind of manufacture method of surface optics layer, replaces the complex process of prior art in extremely easy mode, saving manufacturing cost and research and development manpower, and shortens the setup time of product volume production.
According to above-mentioned purpose, the invention provides a kind of manufacture method of surface optics layer, the light-transmissive resin material that at first will have several light transmission particles is coated an optical sheet, elder generation is with this light-transmissive resin material of ultraviolet photoetching of one first performance number then, again with this light-transmissive resin material of ultraviolet light photopolymerization of one second performance number, big this first performance number of this second performance number wherein.Like this, can be under the situation of original formulation that does not change the surface optics layer and coating process parameter, the ultraviolet ray intensity of adjusting light stiffening obtains the surface optics layer of different optical character.
According to a preferred embodiment of the present invention, this surface optics layer is an anti-dazzle film, anti-reflective film or other need utilize the optical thin film of ultraviolet light photopolymerization.Behind this light-transmissive resin material of coating, also comprise the step of toasting this optical sheet, to remove the solvent in the light-transmissive resin material, for example volatile material such as toluene or isopropyl alcohol.The material of light-transmissive resin material comprises a light-cured resin, and the material of light transmission particle then comprises silicon dioxide.Optical sheet is a Polarizer, and this optical sheet contacts with this anti-dazzle film with a Triafol T layer.In this preferred embodiment, the ultraviolet light wavelength is less than 400 nanometers, and the ratio range of second performance number of ultraviolet light and first performance number is between 500 to 3000, and its preferred range is then between 500 to 1000.
The present invention comes light stiffening surface optics layer with the ultraviolet light of at least two kinds of different capacities, and is existing in order to adjust the complex process of surperficial optical layers optical property to replace.Therefore, manufacturer is under the prerequisite that keeps original formulation and coating process parameter, the ultraviolet photoetching intensity that only changes the surface optics layer just can change its optical property, so can improve surface optics the layer ability of motor-driven adjustment and convenience with customer demand during fabrication easily.In addition, therefore the present invention can save manufacturing cost and research and development manpower significantly because method is simple and easy to implement, and shortens the setup time of product volume production.
In order further to understand feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, yet appended graphic only provide with reference to and the explanation usefulness, be not to be used for the present invention is limited.
Brief description of drawings
Below in conjunction with accompanying drawing,, will make technical scheme of the present invention and other beneficial effects apparent by the specific embodiment of the present invention is described in detail.
In the accompanying drawing,
Fig. 1 is the process flow diagram according to a preferred embodiment of the present invention: and
Fig. 2 is the sectional structure chart of a preferred embodiment of the present invention.
Embodiment
For further setting forth technological means and the effect that the present invention takes for the predetermined purpose of realization, see also following about detailed description of the present invention and accompanying drawing, believe purpose of the present invention, feature and characteristics, should obtain thus going deep into and concrete understanding, yet accompanying drawing only provides reference and explanation usefulness, is not to be used for the present invention is limited.
The present invention will have the light-transmissive resin material of several light transmission particles and coat an optical sheet, then with the ultraviolet photoetching of at least two kinds of different capacity values and this light-transmissive resin material that hardens.During in the ban with the ultraviolet photoetching of more weak performance number, the not sclerosis fully as yet of light-transmissive resin material this moment, this step is the committed step of surface optics layer optical property for a change, and the time shutter of the ultraviolet light of weak performance number is long more, the mist degree of surface optics layer is high more, but still can keep good penetrability.
Please refer to Fig. 1, it illustrates a kind of process flow diagram according to a preferred embodiment of the present invention, and this preferred embodiment is an example with an anti-dazzle film.As shown in Figure 1, manufacture method of the present invention provides a light-transmissive resin material earlier, has several light transmission particles (step 102) in this light-transmissive resin material.Then, be coated with this light-transmissive resin material in an optical sheet surface (step 104).Then, with the ultraviolet photoetching light-transmissive resin material (step 106) of first performance number, then again with the ultraviolet light photopolymerization light-transmissive resin material (step 108) of second performance number, wherein this second performance number is greater than first performance number earlier.In addition, in this preferred embodiment, after optical sheet, can add the step (step 105) of this optical sheet of baking at coating light-transmissive resin material, to remove contained solvent, for example volatile material such as toluene or isopropyl alcohol in the light-transmissive resin material.
As mentioned above, the present invention only adjusts the ultraviolet ray intensity of light stiffening, just can change the optical property of anti-dazzle film, and need not change the original formulation and the coating process parameter of anti-dazzle film.According to the experimental result of embodiments of the invention, second performance number of ultraviolet light and the ratio range of first performance number are between 500 to 3000, and its preferred range is then between 500 to 1000.
In this preferred embodiment, the material of light-transmissive resin material comprises a light-cured resin, ultraviolet light photopolymerization type resin for example, and the material of light transmission particle then comprises silicon dioxide, and the ultraviolet light wavelength is less than 400 nanometers.In addition, first performance number is set and is about 120 milliwatts, and second performance number is then set and is about 80 watts, and the latter is approximately the former 667 times.Table one is the comparison sheet of the optical property of traditional exposure manufacture process of prior art and two stage exposure manufacture process of the present invention, it lists in regular turn and imposes traditional exposure manufacture process, and the experimental data that adds 120 milliwatt ultraviolet photoetching processing procedures 15 seconds, 30 seconds and the optical properties such as sharpness, mist degree and penetrability of 60 seconds anti-dazzle film respectively, with explanation embodiments of the present invention and effect.
Table one: the comparison of the traditional exposure manufacture process of prior art and the optical property of two stage exposure manufacture process of the present invention.
| Conditions of exposure | Sharpness | Mist degree | Penetrability |
| The tradition exposure manufacture process | ??148.3 | ??32.79 | ??91.33 |
| 120 milliwatt ultraviolet photoetchings 15 seconds | ??169.9 | ??34.78 | ??91.18 |
| 120 milliwatt ultraviolet photoetchings 30 seconds | ??146 | ??39.66 | ??91.13 |
| 120 milliwatt ultraviolet photoetchings 60 seconds | ??118.2 | ??45.62 | ??91.29 |
As shown in Table 1, utilize the made anti-dazzle film of manufacture method of the present invention, optical properties such as its sharpness and mist degree can be influenced by weak power ultraviolet photoetching step really and cause change.Long more when the time shutter of weak power ultraviolet light, then the mist degree of this anti-dazzle film is high more, and its sharpness is then poor more.Yet, it should be noted that manufacture method of the present invention can't influence the penetrability of anti-dazzle film, as shown in Table 1.That is to say that the present invention not only can be in order to the mist degree of the anti-dazzle film of adjusting display, and can't reduce most important brightness of display and contrast expression, is one practical and do not have an invention of counter productive.
The present invention adds the ultraviolet photoetching processing procedure of more weak power together in the high power ultraviolet photoetching processing procedure of prior art, with replace must change the anti-dazzle film prescription with and the conventional art of wasting time and energy such as coating process parameter.Because weak power ultraviolet light can make light transmission particle emersion slowly in the surface of light-transmissive resin material, so increases the surfaceness of anti-dazzle film, to reach the effect that promotes the anti-dazzle film mist degree.
Fig. 2 illustrates the sectional structure chart of a preferred embodiment of the present invention.Light-transmissive resin material 204 with several light transmission particles 206 is coated optical sheet 202 surfaces, with the anti-dazzle film 212 as optical sheet 202.This optical sheet 202 is a Polarizer, contacts with this anti-dazzle film 212 with a Triafol T layer.This moment anti-dazzle film 212 surface texture properties can by surfaceness (surface roughness, Ra) and the surface particles mean distance (mean spacing of local peaks of the profile, S) two kinds of numerical value are represented, as shown in Figure 2.Table two lists in regular turn and proposes traditional exposure manufacture process, and add 120 milliwatt ultraviolet photoetching processing procedures 15 seconds, 30 seconds and 60 seconds the surfaceness (Ra) and the experimental data of surface particles mean distance (S) respectively, really can be so that manufacture method of the present invention to be described in order to change the surface structure of anti-dazzle film.
Table two: the comparison of the traditional exposure manufacture process of prior art and the surface nature of two stage exposure manufacture process of the present invention.
| Conditions of exposure | Surfaceness (μ m) | Surface particles mean distance (mm) |
| The tradition exposure manufacture process | ?0.19 | ??0.049 |
| 120 milliwatt ultraviolet photoetchings 15 seconds | ?0.22 | ??0.041 |
| 120 milliwatt ultraviolet photoetchings 30 seconds | ?0.26 | ??0.034 |
| 120 milliwatt ultraviolet photoetchings 60 seconds | ?0.33 | ??0.032 |
As shown in Table 2, utilize the made anti-dazzle film of manufacture method of the present invention, surface structure properties such as its surfaceness and surface particles mean distance can be influenced by weak power ultraviolet photoetching step really and cause change.Long more when the time shutter of weak power ultraviolet light, then the surfaceness of this anti-dazzle film is big more, and its surface particles mean distance is then more little.
Be noted that except anti-dazzle film that at this manufacture method of the present invention still can apply to make anti-reflective film or other need utilize the optical thin film of ultraviolet light photopolymerization.In addition, step of the present invention comprises elder generation at least with weak power ultraviolet photoetching light-transmissive resin material, and then with two ultraviolet exposure cure step such as this light-transmissive resin materials of high power ultraviolet light photopolymerization.Yet, in whole exposure process, impose the more ultraviolet exposure cure step of multistage different capacity value, or before the light-transmissive resin material hardens fully, with power method such as light stiffening in addition alternately in regular turn in regular turn or not, all should be considered as meeting the various application of the present invention's design, should be contained within the scope of the present invention.
The above for the person of ordinary skill of the art, can make other various corresponding changes and distortion according to technical scheme of the present invention and technical conceive, and all these changes and distortion all should belong to the protection domain of claim of the present invention.
Claims (9)
1. the manufacture method of a surface optics layer is characterized in that, this manufacture method comprises at least:
One light-transmissive resin material is provided, has several light transmission particles in this light-transmissive resin material;
Be coated with this light-transmissive resin material in an optical sheet; And
Respectively with this light-transmissive resin materials of UV-irradiation of at least two kinds of different capacity values, so as to exposure and this light-transmissive resin material that hardens.
2. the manufacture method of surface optics layer as claimed in claim 1 is characterized in that, the material of this light-transmissive resin material comprises a light-cured resin.
3. the manufacture method of surface optics layer as claimed in claim 1 is characterized in that, the material of described light transmission particle comprises silicon dioxide.
4. the manufacture method of surface optics layer as claimed in claim 1 is characterized in that, this optical sheet is a Polarizer.
5. the manufacture method of surface optics layer as claimed in claim 4 is characterized in that, this Polarizer contacts with this light-transmissive resin material with a Triafol T layer.
6. the manufacture method of surface optics layer as claimed in claim 1 is characterized in that, this manufacture method also comprises: behind this light-transmissive resin material of coating, toast this optical sheet.
7. the manufacture method of surface optics layer as claimed in claim 1 is characterized in that, the maximal value in the described performance number and the ratio range of minimum value are between 500 to 3000.
8. the manufacture method of surface optics layer as claimed in claim 1 is characterized in that, the preferable ratio range of maximal value in the described performance number and minimum value is between 500 to 1000.
9. the manufacture method of surface optics layer as claimed in claim 1 is characterized in that, this ultraviolet light wavelength is less than 400 nanometers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100027316A CN1648692A (en) | 2004-01-19 | 2004-01-19 | Method for producing surface optical layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100027316A CN1648692A (en) | 2004-01-19 | 2004-01-19 | Method for producing surface optical layer |
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| CN1648692A true CN1648692A (en) | 2005-08-03 |
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| CNA2004100027316A Pending CN1648692A (en) | 2004-01-19 | 2004-01-19 | Method for producing surface optical layer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101042438B (en) * | 2006-03-23 | 2010-07-28 | 住友化学株式会社 | Method for producing layered material comprising layer with inorganic particles |
| CN103681730A (en) * | 2012-09-19 | 2014-03-26 | 群康科技(深圳)有限公司 | Display panel |
-
2004
- 2004-01-19 CN CNA2004100027316A patent/CN1648692A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101042438B (en) * | 2006-03-23 | 2010-07-28 | 住友化学株式会社 | Method for producing layered material comprising layer with inorganic particles |
| CN103681730A (en) * | 2012-09-19 | 2014-03-26 | 群康科技(深圳)有限公司 | Display panel |
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