CN101630122A - Light guide plate and manufacturing method thereof - Google Patents
Light guide plate and manufacturing method thereof Download PDFInfo
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- CN101630122A CN101630122A CN200810132394A CN200810132394A CN101630122A CN 101630122 A CN101630122 A CN 101630122A CN 200810132394 A CN200810132394 A CN 200810132394A CN 200810132394 A CN200810132394 A CN 200810132394A CN 101630122 A CN101630122 A CN 101630122A
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Abstract
The invention relates to a light guide plate and a manufacturing method thereof, in particular to a light guide plate which is formed by forming ultraviolet glue on a transparent substrate and carrying out stamping procedure on the ultraviolet glue of the transparent substrate by utilizing a template of which the surface has a microstructure; and the light guide plate carries out the plane stamping procedure through utilization of the template of which the surface has the microstructure and has the advantages of high yield and small error.
Description
Technical field
The present invention relates to a kind of light guide plate and preparation method thereof, particularly relate to a kind of method of utilizing the ultraviolet optical cement to carry out the plane impression.
Background technology
Backlight module mainly is to be used to provide the light source that liquid crystal panel evenly reaches high brightness, it comprises a light source, the design that sees through backlight module changes into script pointolite or line source the area source of high brightness and uniform luminance, and light guide plate is to be the key component in the backlight module, and effect is to be inducted into penetrates light and convert area source to through light guide plate scattering and reflection.
Lifting along with the LCD manufacturing technology, under the trend of large scale and low price, backlight module is being considered lightweight, slimming, low power consumption, high brightness and the market demands that reduce cost, also towards light weight and slim development, light guide plate is to utilize the mode of plastics ejection formation or printing to make mostly at present, most material all is to utilize the plastics that are commonly called as acryl, when the trend of backlight technology gradually when utilizing light emitting diode as backlight, the production technology of relative light guide plate also with difficulty, because when the backlight volume-diminished, under display integral body is had an opportunity more frivolous situation, light guide plate also will be followed attenuation naturally, just can reach frivolous purpose.Existing general light guide plate is approximately about 1.0mm, and still, under the requirement along with market trend and technology, the thickness of light guide plate is thinning gradually, reaches below the 0.8mm, because the thickness attenuation, this some problems will occur aspect light guide plate moulding.If expectation utilizes traditional ejection forming technique to finish thin light guide panel, the Jet forming machine that just must use high rate of fire so on equipment instead, certainly general employed ejection formation also can be produced at present, still, but can face the problem of planarization and production.But when firing rate is too high, easily produce problems such as residual stress and molecular orientation, and then cause the generation of buckling deformation because of dwell pressure is excessive.So, for the light guide plate dealer, also just constantly pursue the technology of upgrading, produce thin light guide panel cheaply.
And in known techniques, also utilize to form utilizing pattern on the roller impression behind the ejection formation, but the problem of this method on jetting process is arranged, utilize the roller impression that the problem of yield and error is more arranged.
Because the defective that above-mentioned existing light guide plate and preparation method thereof exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of new light guide plate and preparation method thereof, can improve general existing light guide plate and preparation method thereof, make it have more practicality.Through constantly research, design, and after studying repeatedly and improving, create the present invention who has practical value finally.
Summary of the invention
The objective of the invention is to, overcome the defective that existing light guide plate and preparation method thereof exists, and a kind of new light guide plate and preparation method thereof is provided, technical matters to be solved is to make it solve above-mentioned distortion and yield problem, thereby is suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of method for manufacturing light guide plate that the present invention proposes, it may further comprise the steps: a transparent substrates is provided; Coating one ultraviolet optical cement on this transparent substrates; The template of one surperficial tool microstructure is provided; The template of utilizing this surface tool microstructure is carried out plane impression program to the transparent substrates of this coating ultraviolet optical cement; Carry out an illumination program so that this ultraviolet optical cement reaches solid state; And separate this template, promptly get the light guide plate of a surperficial tool microstructure.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid method for manufacturing light guide plate, the material of wherein said transparent substrates is identical with the material of this ultraviolet optical cement (UV glue).
Aforesaid method for manufacturing light guide plate, wherein said transparent substrates and this ultraviolet optical cement can be polymethylmethacrylate material (PMMA), cycloolefin macromolecule material (COP) or polycarbonate material (PC).
Aforesaid method for manufacturing light guide plate, the template of wherein said surperficial tool microstructure are to comprise utilizing the precise electrotyping fabrication techniques to form.
Aforesaid method for manufacturing light guide plate, wherein said plane impression program also is included under the vacuum environment operates.
Aforesaid method for manufacturing light guide plate, it comprises that also light guide plate to this surface tool microstructure repeats the light guide plate that light guide plate that step as claimed in claim 1 makes this surface tool microstructure forms one or two mask microstructure.
The object of the invention to solve the technical problems also realizes by the following technical solutions.According to a kind of light guide plate that the present invention proposes, it comprises: a printing opacity basic unit; And at least one optical waveguide layer, this optical waveguide layer is that a ultraviolet optical cement is coated in this printing opacity basic unit, and carries out plane impression with the template of a surperficial tool microstructure, carries out an illumination program again and makes this ultraviolet light adhesive curing to form this optical waveguide layer.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid light guide plate, the material of wherein said printing opacity basic unit is identical with the material of this at least one optical waveguide layer.
Aforesaid light guide plate, wherein said printing opacity basic unit and this at least one optical waveguide layer can be polymethylmethacrylate material (PMMA), cycloolefin macromolecule material (COP) or polycarbonate material (PC).
Aforesaid light guide plate, the template of wherein said surperficial tool microstructure are to comprise utilizing the precise electrotyping fabrication techniques to form.
The present invention compared with prior art has tangible advantage and beneficial effect.As known from the above, in order to achieve the above object, the invention provides a kind of method for making of light guide plate, the method comprises the following steps, one transparent substrates is provided earlier, then on this transparent substrates, be coated with a ultraviolet optical cement, the template of one surperficial tool microstructure is provided again, utilize the template of this surperficial tool microstructure that the transparent substrates that this is coated with the ultraviolet optical cement is carried out an impression program, carry out an illumination program again so that this ultraviolet optical cement reaches solid state, separate the light guide plate that this template promptly gets a surperficial tool microstructure at last.
In addition, this step comprises that more the light guide plate repetition above-mentioned steps to this surperficial tool microstructure makes the light guide plate of this surperficial tool microstructure form the light guide plate of one or two mask microstructure.
According to the present invention, a kind of light guide plate is more proposed, comprise a printing opacity basic unit and at least one optical waveguide layer, it is characterized in that this optical waveguide layer is to be a kind of ultraviolet optical cement that is coated with in this printing opacity basic unit, and provide the template of a surperficial tool microstructure, make printing opacity basic unit of this coating ultraviolet optical cement carry out an impression program, carry out an illumination program after, the template of separating this surperficial tool microstructure again with this light guide plate.
In sum, utilize method of the present invention to make light guide plate, not only can significantly shorten the processing procedure time, and on the finished product yield, also greatly improve, and carry out plane impression program, in the microstructure of light guide plate lower error is arranged than the roller stamped method with mould.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the flow chart of steps of method for manufacturing light guide plate of the present invention;
Fig. 2 is the schematic flow diagram of method for manufacturing light guide plate of the present invention; And
Fig. 3 is another embodiment synoptic diagram of light guide plate of the present invention.
S11～S16: steps flow chart;
21: transparent base layer;
22: the ultraviolet optical cement;
23: the mould of surperficial tool microstructure;
24: the optical waveguide layer of tool microstructure;
31: transparent base layer; And
32: the optical waveguide layer of tool microstructure.
Embodiment
Reach technology section and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, the light guide plate that foundation the present invention is proposed and preparation method thereof its embodiment, method, step, feature and effect thereof, describe in detail as after.
Hereinafter with reference to correlative type, light guide plate according to preferred embodiment of the present invention and preparation method thereof is described, to be convenient to understand for making, the same components among the following embodiment is to illustrate with identical symbology.
Electroforming (Electricforming) technology is to utilize electroplating principle, all kinds of metal or alloy is deposited on the master mold of particular design, waits to be accumulated to behind the suitable thickness to break away from master mold again, can produce the mould that electroforming is used.At photoelectricity, electronics, industry such as micro electronmechanical is fast-developing and emphasize today compact, that surcharge promotes, traditional machining mode can't satisfy and accurately has been the manufacturing of structure mold, so the application of precise electrotyping processing procedure comes into one's own day by day.The characteristic of precise electrotyping technology is: 1. as long as a job sequence can be finished complex-shaped workpieces.2. splendid to the master mold replicability, reproducible volume production male model.3. duplicate the precision height, be fit to do the optical module processing procedure.4. cooperate other process technology, can get multiple particular design workpiece.Based on above characteristic, precise electrotyping can be used for making the part that general traditional mechanical processing is difficult for finishing or cost is higher.Therefore, the mould of the surperficial tool microstructure that the present invention is used promptly is to utilize the precise electrotyping technology made, utilize methods such as electron beam, etching, laser, on macromolecular material, produce the master mold of required pattern, utilize galvanoplastics that the pattern on the master mold is cast into the volume production male model again, and utilize this male model to adopt the production technology of plane impression, the production time is shortened dramatically.
See also shown in Figure 1ly, it is the flow chart of steps that illustrates to the method for making of light guide plate of the present invention.Among the figure, the method comprises the following steps:
Step S11 a: transparent substrates is provided.
Step S12: coating one ultraviolet optical cement on this transparent substrates.Wherein, the material of described transparent substrates is identical with the material of described ultraviolet optical cement (UV glue), can be polymethylmethacrylate material (PMMA), cycloolefin macromolecule material (COP) or polycarbonate material (PC).
Step S13: the template that a surperficial tool microstructure is provided.Wherein, the template of described surperficial tool microstructure optionally can utilize the precise electrotyping fabrication techniques to form, but not as limit.
Step S14: utilize the template of this surperficial tool microstructure that this transparent substrates that is coated with the ultraviolet optical cement is carried out plane impression program.By this, make the ultraviolet optical cement form the microstructure of permutations.
And wherein, when carrying out plane impression program, for asking the littler margin of error, optionally can operation under a vacuum environment, to be reduced in the moulding process, can't get rid of the error that causes because of air micro-bubbles.But carrying out plane impression program also can be in operation under the non-vacuum environment.
Step S15: carry out an illumination program so that this ultraviolet optical cement reaches solid state.
Step S16: separate the light guide plate that this template promptly gets a surperficial tool microstructure.Because this template is to utilize the precise electrotyping fabrication techniques to form, so after the ultraviolet light adhesive curing, the comparable prior art of the microstructure angular error of its formation and change of shape amount reduces many.
Because this ultraviolet optical cement only has tackness to macromolecule, and used mould is a metal material, behind mould and ultraviolet light glue laminated seal, carries out after the illumination program hardens this ultraviolet optical cement just separable this template.
In addition, comprise that also the light guide plate repetition above-mentioned steps to this surperficial tool microstructure makes the light guide plate of this surperficial tool microstructure form the light guide plate of one or two mask microstructure.
According to the present invention, a kind of light guide plate is also proposed, comprise a printing opacity basic unit and at least one optical waveguide layer, it is characterized in that this optical waveguide layer is a kind of ultraviolet optical cement that is coated with in this printing opacity basic unit, and provide the template of a surperficial tool microstructure, make printing opacity basic unit of this coating ultraviolet optical cement carry out an impression program, carry out an illumination program after, the template of separating this surperficial tool microstructure again with this light guide plate.
Wherein, the used material of described printing opacity basic unit is identical with the material of described at least one optical waveguide layer, can be polymethylmethacrylate material (PMMA), cycloolefin macromolecule material (COP) or polycarbonate material (PC).
Wherein, the template of described surperficial tool microstructure optionally can utilize the precise electrotyping fabrication techniques to form.
See also shown in Figure 2ly, it is the schematic flow diagram that illustrates to the method for making of light guide plate of the present invention.Among the figure, one printing opacity basic unit 21 is provided earlier, then utilize the mode of coating to form ultraviolet optical cement 22 in printing opacity basic unit 21, come again, 23 pairs of ultraviolet optical cements of mould 22 with a surperficial tool microstructure carry out the optical waveguide layer 24 that a plane impression program makes ultraviolet optical cement 22 formation tool microstructures, the mould 23 of last separating table mask microstructure, and, therefore just can get the light guide plate of the present invention of optical waveguide layer 24 formation of printing opacity basic unit 21 and tool microstructure because the material of printing opacity basic unit 21 is identical with the material of the optical waveguide layer 24 of tool microstructure.
See also shown in Figure 3ly, it illustrates another embodiment synoptic diagram into light guide plate of the present invention.Among the figure, be light guide plate at the optical waveguide layer 32 of two mask microstructures of printing opacity basic unit 31, utilize said method behind the optical waveguide layer 32 that forms a tool microstructure in the printing opacity basic unit 31, repeat above-mentioned steps and all have a light guide plate of microstructure to form a two sides on another surface of printing opacity basic unit 31.
In sum, utilize method of the present invention to make light guide plate, not only can significantly shorten the processing procedure time, and on the finished product yield, also greatly improve, and carry out plane impression program, in the microstructure of light guide plate lower error is arranged than the roller stamped method with mould.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (10)
1, a kind of method for manufacturing light guide plate is characterized in that it may further comprise the steps:
One transparent substrates is provided;
Coating one ultraviolet optical cement on this transparent substrates;
The template of one surperficial tool microstructure is provided;
The template of utilizing this surface tool microstructure is carried out plane impression program to the transparent substrates of this coating ultraviolet optical cement;
Carry out an illumination program so that this ultraviolet optical cement reaches solid state; And
Separate this template, promptly get the light guide plate of a surperficial tool microstructure.
2, method for manufacturing light guide plate according to claim 1 is characterized in that the material of described transparent substrates is identical with the material of this ultraviolet optical cement.
3, method for manufacturing light guide plate according to claim 1 is characterized in that described transparent substrates and this ultraviolet optical cement can be polymethylmethacrylate material, cycloolefin macromolecule material or polycarbonate material.
4, method for manufacturing light guide plate according to claim 1, the template that it is characterized in that described surperficial tool microstructure are to comprise utilizing the precise electrotyping fabrication techniques to form.
5, method for manufacturing light guide plate according to claim 1 is characterized in that described plane impression program also is included under the vacuum environment to operate.
6, method for manufacturing light guide plate according to claim 1 is characterized in that it comprises that also light guide plate to this surface tool microstructure repeats the light guide plate that light guide plate that step as claimed in claim 1 makes this surface tool microstructure forms one or two mask microstructure.
7, a kind of light guide plate is characterized in that it comprises:
One printing opacity basic unit; And
At least one optical waveguide layer, this optical waveguide layer are that a ultraviolet optical cement is coated in this printing opacity basic unit, and carry out plane impression with the template of a surperficial tool microstructure, carry out an illumination program again and make this ultraviolet light adhesive curing to form this optical waveguide layer.
8, light guide plate according to claim 7 is characterized in that the material of described printing opacity basic unit is identical with the material of this at least one optical waveguide layer.
9, light guide plate according to claim 7 is characterized in that described printing opacity basic unit and this at least one optical waveguide layer can be polymethylmethacrylate material, cycloolefin macromolecule material or polycarbonate material.
10, light guide plate according to claim 7, the template that it is characterized in that described surperficial tool microstructure are to comprise utilizing the precise electrotyping fabrication techniques to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810132394A CN101630122A (en) | 2008-07-16 | 2008-07-16 | Light guide plate and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810132394A CN101630122A (en) | 2008-07-16 | 2008-07-16 | Light guide plate and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN101630122A true CN101630122A (en) | 2010-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810132394A Pending CN101630122A (en) | 2008-07-16 | 2008-07-16 | Light guide plate and manufacturing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296435A (en) * | 2012-02-29 | 2013-09-11 | 深圳光启创新技术有限公司 | Manufacturing method for metamaterial |
| CN103296441A (en) * | 2012-02-29 | 2013-09-11 | 深圳光启创新技术有限公司 | Novel metamaterial and manufacturing process thereof |
| CN103296445B (en) * | 2012-02-29 | 2016-09-28 | 深圳光启创新技术有限公司 | The manufacture method of Meta Materials |
| CN109870759A (en) * | 2017-12-01 | 2019-06-11 | 奇景光电股份有限公司 | Light guiding optics element and the method for forming light guiding optics element |
-
2008
- 2008-07-16 CN CN200810132394A patent/CN101630122A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296435A (en) * | 2012-02-29 | 2013-09-11 | 深圳光启创新技术有限公司 | Manufacturing method for metamaterial |
| CN103296441A (en) * | 2012-02-29 | 2013-09-11 | 深圳光启创新技术有限公司 | Novel metamaterial and manufacturing process thereof |
| CN103296445B (en) * | 2012-02-29 | 2016-09-28 | 深圳光启创新技术有限公司 | The manufacture method of Meta Materials |
| CN103296435B (en) * | 2012-02-29 | 2017-03-29 | 深圳光启创新技术有限公司 | The manufacture method of Meta Materials |
| CN103296441B (en) * | 2012-02-29 | 2021-10-19 | 深圳光启高等理工研究院 | Novel metamaterial and manufacturing process thereof |
| CN109870759A (en) * | 2017-12-01 | 2019-06-11 | 奇景光电股份有限公司 | Light guiding optics element and the method for forming light guiding optics element |
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Application publication date: 20100120 |