CN101881847A - Method and device for manufacturing lenticulation - Google Patents
Method and device for manufacturing lenticulation Download PDFInfo
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- CN101881847A CN101881847A CN 201010222638 CN201010222638A CN101881847A CN 101881847 A CN101881847 A CN 101881847A CN 201010222638 CN201010222638 CN 201010222638 CN 201010222638 A CN201010222638 A CN 201010222638A CN 101881847 A CN101881847 A CN 101881847A
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- lenticulation
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Abstract
The invention provides a method for manufacturing a lenticulation, which comprises the following steps of: coating a radiation curing material layer on a substrate; projecting a radiation pattern having gray-scale changes on the radiation curing material layer; and controlling the projection time of the radiation pattern to form a curing lenticulation structure with height changes in the radiation curing material layer. The invention also provides a device for manufacturing the lenticulation. Compared with the conventional mechanical processing method, the lenticulation manufactured by the method and the device can be formed once, the manufacturing procedures are few, the device is simple, the cost is low, and the operation is simpler and more convenient.
Description
[technical field]
The present invention relates to a kind of manufacture method and equipment of optical element, particularly a kind of manufacture method of lenticulation and equipment.
[background technology]
The meticulous grating of high density is a kind of important optical element in the micro-optic, can be widely used in the stereo display field.Along with lenticulation especially widespread use in the bore hole stereo display technique in stereo display technique, the production technology of preparation lenticulation also reaches its maturity and variation.At present, lenticulation has multiple preparation method, and traditional lenticulation preparation method comprises mechanical scratching and chemical etching.Yet, problem such as it is higher that these methods have preparation cost, and efficient is lower.Though at present the CNC processing machine that adopts produce lenticulation and have that raw material is obtained easily, machining precision height and the strong advantage of the market competitiveness, but the product fineness of the lenticulation of CNC processing machine production depends on the machining path planning procedure, thereby causes the shortcoming that the processing technology complexity is time-consuming and equipment cost is higher.
[summary of the invention]
In order to solve the processing technology complexity of existing lenticulation, the cost technical problems of high the invention provides a kind of manufacture method and equipment of lenticulation, to simplify the processing technology of lenticulation, reduces cost.
The technical scheme that the present invention adopts for achieving the above object provides a kind of manufacture method of lenticulation, comprising: coating radiation curable material layer on substrate; On the radiation curable material layer, project radiation pattern with gray scale variation; The projection time of control radiation pattern is to form the cured lens optical grating construction with height change in the radiation curable material layer.
According to a preferred embodiment of the invention, the GTG value of radiation pattern is a continually varying, so that the height of cured lens optical grating construction is a continually varying.
According to a preferred embodiment of the invention, utilize radiation source and gray-tone mask plate on the radiation curable material layer, to project radiation pattern.
According to a preferred embodiment of the invention, the manufacture method of lenticulation further comprises: the uncured portion of cleaning radiation curable material layer.
According to a preferred embodiment of the invention, the manufacture method of lenticulation further comprises: utilize the cured lens optical grating construction after radiation source further solidifies cleaning.
According to a preferred embodiment of the invention, the manufacture method of lenticulation further comprises: the cured lens optical grating construction after the further curing is toasted.
According to a preferred embodiment of the invention, the radiation curable material layer is that UV solidifies glue-line, and cleaning liquid is absolute methanol.
Another technical scheme that the present invention adopts for achieving the above object provides a kind of manufacture method of lenticulation, comprising: project the radiation pattern that energy density changes on the radiation curable material layer; The projection time of control radiation pattern is to form the cured lens optical grating construction in the radiation curable material layer.
Another technical scheme that the present invention adopts for achieving the above object provides a kind of manufacture method of lenticulation, comprising: utilize radiation source to project radiation pattern on the radiation curable material layer; The control radiation source is so that the exposure depth of radiation pattern changes continuously.
Another technical scheme that the present invention adopts for achieving the above object provides a kind of manufacturing equipment of lenticulation, and comprising: exposure stage is used to support the substrate that is coated with the radiation curable material layer; Radiation source, the radiation that is used to launch predetermined wavelength; The gray-tone mask plate is arranged between exposure stage and the radiation source, so that radiation source projects the radiation pattern with gray scale variation on the radiation curable material layer, and then forms the cured lens optical grating construction in the radiation curable material layer.
According to a preferred embodiment of the invention, exposure stage further is provided with gear train, adjusts the position of substrate with relative radiation source.
According to a preferred embodiment of the invention, radiation source is the UV lamp.
According to a preferred embodiment of the invention, the gray-tone mask plate is the optical mask with gray scale variation.
According to a preferred embodiment of the invention, the gray-tone mask plate is periodic arrangement, and each cycle has certain-length, and this length is provided with according to the lenticulation that will make.
According to a preferred embodiment of the invention, the GTG value on each cycle of gray-tone mask plate changes continuously, and the GTG value diminishes gradually from positive center to edge.
Method and apparatus of the present invention solidify to form lenticulation by project the radiation pattern with gray scale variation on the radiation curable material layer, compare with traditional machining process, but the lenticulation one-shot forming of the inventive method and equipment making, manufacturing procedure is few, equipment is simple, cost is low, and operation is easier.
[description of drawings]
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the synoptic diagram of lenticulation manufacturing equipment according to one preferred embodiment of the present invention;
Fig. 2 is the GTG synoptic diagram of gray-tone mask plate according to one preferred embodiment of the present invention;
Fig. 3 is the synoptic diagram of lenticulation manufacture process according to one preferred embodiment of the present invention; And
Fig. 4 is the process flow diagram of lenticulation manufacture method according to one preferred embodiment of the present invention.
[embodiment]
The invention provides a kind of manufacture method and equipment of lenticulation, the inventive method and equipment solidify to form lenticulation by project the radiation pattern with gray scale variation on the radiation curable material layer, compare with traditional machining process, but the lenticulation one-shot forming of the inventive method and equipment making, manufacturing procedure is few, equipment is simple, and cost is low, and operation is easier.
Fig. 1 is the synoptic diagram of lenticulation manufacturing equipment according to one preferred embodiment of the present invention.As shown in Figure 1, this lenticulation manufacturing equipment comprises exposure stage 11, gray level mask plate 12 and radiation source 13.In the present embodiment, exposure stage 11 is used to support the substrate 30 that is coated with radiation curable material layer 20.Exposure stage 11 can further be provided with gear train, adjusts the position of substrate 30 with relative radiation source 13.
Gray-tone mask plate 12 is arranged between exposure stage 11 and the radiation source 13.Gray-tone mask plate 12 is a kind of optical masks with gray scale variation.Fig. 2 is the GTG synoptic diagram of gray-tone mask plate 12 according to one preferred embodiment of the present invention.As shown in Figure 2, in the present embodiment, gray-tone mask plate 12 is periodic arrangement, and each cycle has certain-length, and this length can specifically be provided with according to the lenticulation that will make, for example is about 400 μ m.GTG value on each cycle of gray-tone mask plate 12 changes continuously, and diminishes gradually from positive center to edge GTG value.In the present embodiment, the RC GTG value in each cycle is 255, and the GTG value at edge is 0.Gray-tone mask plate 12 can be developed and printed acquisition by known chromium plate glass photomask or film sheet, repeats no more herein.
By gray-tone mask plate 12, radiation source 13 projects the radiation pattern with gray scale variation on radiation curable material layer 20.Radiation curable material layer 20 is can be solid-state material from liquid curing by radiation source 13 irradiation, and for example UV solidifies glue.In the present embodiment, radiation source 13 is arranged at exposure stage 11 tops, and from top irradiation radiation curable material layer 20.Yet those skilled in the art can design other arrangement modes fully and reach effect shown in Figure 2.For example, exposure stage 11 and substrate 30 are designed to transparent, and radiation source 13 projects radiation pattern from the below through exposure stage 11 and substrate 30 at radiation curable material layer 20.
As shown in Figure 3 and Figure 4, the present invention also provides a kind of method of using this lenticulation manufacturing equipment to make lenticulation.
At first, in step S1, coating radiation curable material layer 20 on substrate 30.Specifically, by methods such as roller coat or spin coatings liquid or gluey radiation curable material layer 20 are uniformly coated on the substrate 30.Be thickness evenness that guarantees radiation curable material layer 20 and the stability that is coated with the back material, can adopt viscosity is that 1500CPS and the UV that is easy to curing molding solidify glue as radiation curable material layer 20.At this moment, substrate 30 can adopt pet substrate or glass substrate.In this step, the thickness of radiation curable material layer 20 is preferably 1.5 times of lenticulation sagitta.
Then, in step S2, utilize radiation source 13 and gray-tone mask plate 12 on radiation curable material layer 20, to project radiation pattern with gray scale variation.Specifically, the radiation that radiation source 13 sends sees through gray-tone mask plate 12 and is radiated on the radiation curable material layer 20, because the GTG value in each cycle of gray-tone mask plate 12 is a continually varying from positive center to edge, therefore for the GTG value 0 position, almost there is not radiation to pass gray-tone mask plate 12, be that the energy that radiation source 13 is incident upon on the radiation curable material layer 20 levels off to 0, and for the GTG value 255 position, almost all gray-tone mask plate 12 is passed in radiation, and promptly radiation source 13 is incident upon energy on the radiation curable material layer 20 and levels off to maximum.Therefore, the radiation that radiation source 13 sends also is a continually varying through the GTG value that gray-tone mask plate 12 is incident upon the radiation pattern on the radiation curable material layer 20, and promptly the energy density of radiation pattern is a continually varying.This GTG value continually varying radiation pattern makes that the energy of radiation on radiation curable material layer 20 is continuous variation in the identical time.
Then, in step S3, the projection time of control radiation pattern is to form the cured lens optical grating construction 22 with height change in radiation curable material layer 20.Specifically, by the projection time of control radiation pattern on radiation curable material layer 20, can make the exposure depth of radiation pattern in radiation curable material layer 20 change continuously.Finally, in radiation curable material layer 20, the part that emittance reaches is cured, and the part that emittance does not reach will still be liquid state, and then forms height continually varying cured lens optical grating construction 22 in radiation curable material layer 20.In this step, it is the required time of radiation curable material layer 20 full solidification of 255 positions that projection time preferably makes corresponding to the GTG value.
Subsequently, in step S4, the uncured portion of cleaning radiation curable material layer 20.Specifically, utilize the uncured portion of cleaning liquid dissolving radiation curable material layer 20, and the cleaning liquid that will the be dissolved with uncured portion substrate 30 that blows off.When radiation curable material layer 20 solidifies glue-line for UV, can utilize absolute methanol as cleaning liquid, and adopt the suitable air gun of size will be dissolved with absolute methanol that uncured UV the solidifies glue substrate 30 that blows off fast.
At this moment, though cured lens optical grating construction 22 has presented the preliminary profile of lenticulation, but because the also residual radiation curable material that liquid state is arranged on the surface of cured lens optical grating construction 22 causes cured lens optical grating construction 22 to present non-smooth optical lens surface.Therefore, in step S5, utilize the cured lens optical grating construction 22 after radiation source 13 further solidifies cleaning.Specifically, once more cured lens optical grating construction 22 is placed on radiation source and carries out radiation 13 times, with ingress of air surface and not completely crued radiation curable material full solidification.
At last, in step S6, cured lens optical grating construction 22 after the further curing is toasted, with with impurity such as the cleaning liquid on cured lens optical grating construction 22 surfaces, water from sur-face peeling, for example toast and removed impurity in 1～1.5 hour by the baking ovens that cured lens optical grating construction 22 placed 80 degree.
As alternative, can not form radiation pattern by gray-tone mask plate 12, but radiation source is controlled by other emittance control method known in this field, on radiation curable material layer 20, project (energy density) radiation pattern that changes that has GTG, and then obtain to have the consolidated structures of height change by the exposure depth of control radiation pattern.For example, utilize the different sub-radiation source of a plurality of brightness to be combined into radiation source, and on the radiation curable material layer, project required radiation pattern thus.In addition, GTG (energy density) variation is not limited to continuous variation, but can design various variation pattern as required.
Method and apparatus of the present invention solidify to form lenticulation by project the radiation pattern with gray scale variation on the radiation curable material layer, compare with traditional machining process, but the lenticulation one-shot forming of the inventive method and equipment making, manufacturing procedure is few, equipment is simple, cost is low, and operation is easier.In addition, utilize the measure of precision of the lenticulation of the inventive method and equipment making to depend primarily on the control of the resolution and the emittance of gray-tone mask plate, therefore parameters such as the energy of resolution by adjusting the gray-tone mask plate and radiation source and projection time can produce high resolving power and high-precision lenticulation.
In the above-described embodiments, only the present invention has been carried out exemplary description, but those skilled in the art can carry out various modifications to the present invention after reading present patent application under the situation that does not break away from the spirit and scope of the present invention.
Claims (15)
1. the manufacture method of a lenticulation is characterized in that, the manufacture method of described lenticulation comprises:
Coating radiation curable material layer on substrate;
On described radiation curable material layer, project radiation pattern with gray scale variation;
Control the projection time of described radiation pattern, in described radiation curable material layer, to form cured lens optical grating construction with height change.
2. the manufacture method of lenticulation according to claim 1 is characterized in that, the GTG value of described radiation pattern is a continually varying, so that the height of described cured lens optical grating construction is a continually varying.
3. the manufacture method of lenticulation according to claim 2 is characterized in that, utilizes radiation source and gray-tone mask plate to project described radiation pattern on described radiation curable material layer.
4. the manufacture method of lenticulation according to claim 2 is characterized in that, the manufacture method of described lenticulation further comprises: the uncured portion of clearing up described radiation curable material layer.
5. the manufacture method of lenticulation according to claim 4 is characterized in that, the manufacture method of described lenticulation further comprises: further solidify the described cured lens optical grating construction after clearing up.
6. the manufacture method of lenticulation according to claim 5 is characterized in that, the manufacture method of described lenticulation further comprises: the described cured lens optical grating construction after the further curing is toasted.
7. the manufacture method of lenticulation according to claim 3 is characterized in that, described radiation curable material layer is that UV solidifies glue-line, and described cleaning liquid is absolute methanol.
8. the manufacture method of a lenticulation is characterized in that, the manufacture method of described lenticulation comprises:
On the radiation curable material layer, project the radiation pattern that energy density changes;
Control the projection time of described radiation pattern, in described radiation curable material layer, to form the cured lens optical grating construction.
9. the manufacture method of a lenticulation is characterized in that, the manufacture method of described lenticulation comprises:
Utilize radiation source on the radiation curable material layer, to project radiation pattern;
Control described radiation source, so that the exposure depth of described radiation pattern changes continuously.
10. the manufacturing equipment of a lenticulation is characterized in that, the manufacturing equipment of described lenticulation comprises:
Exposure stage is used to support the substrate that is coated with the radiation curable material layer;
Radiation source, the radiation that is used to launch predetermined wavelength;
The gray-tone mask plate, be arranged between described exposure stage and the described radiation source, so that described radiation source projects the radiation pattern with gray scale variation on described radiation curable material layer, and then in described radiation curable material layer, form the cured lens optical grating construction.
11. the manufacturing equipment of lenticulation according to claim 10 is characterized in that, described exposure stage further is provided with gear train, adjusts the position of described substrate with described relatively radiation source.
12. the manufacturing equipment of lenticulation according to claim 10 is characterized in that, described radiation source is the UV lamp.
13. the manufacturing equipment of lenticulation according to claim 10 is characterized in that, described gray-tone mask plate is the optical mask with gray scale variation.
14. the manufacturing equipment of lenticulation according to claim 13 is characterized in that, described gray-tone mask plate is periodic arrangement, and each cycle has certain-length, and described length is provided with according to the lenticulation that will make.
15. the manufacturing equipment of lenticulation according to claim 13 is characterized in that, the GTG value on each cycle of described gray-tone mask plate changes continuously, and the GTG value diminishes gradually from positive center to edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010222638 CN101881847A (en) | 2010-07-01 | 2010-07-01 | Method and device for manufacturing lenticulation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010222638 CN101881847A (en) | 2010-07-01 | 2010-07-01 | Method and device for manufacturing lenticulation |
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| CN101881847A true CN101881847A (en) | 2010-11-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013155838A1 (en) * | 2012-04-19 | 2013-10-24 | 京东方科技集团股份有限公司 | Cylindrical lenticulation and manufacturing method thereof |
| CN105228476A (en) * | 2013-04-15 | 2016-01-06 | 哈利·洛斯特 | Article and manufacture method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004354668A (en) * | 2003-05-29 | 2004-12-16 | Mitsumi Electric Co Ltd | Method of manufacturing microlens |
| JP2006058720A (en) * | 2004-08-23 | 2006-03-02 | Sharp Corp | Microlens and its manufacturing method |
| CN101303421A (en) * | 2008-06-26 | 2008-11-12 | 北京超多维科技有限公司 | Method for manufacturing microlens array |
-
2010
- 2010-07-01 CN CN 201010222638 patent/CN101881847A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004354668A (en) * | 2003-05-29 | 2004-12-16 | Mitsumi Electric Co Ltd | Method of manufacturing microlens |
| JP2006058720A (en) * | 2004-08-23 | 2006-03-02 | Sharp Corp | Microlens and its manufacturing method |
| CN101303421A (en) * | 2008-06-26 | 2008-11-12 | 北京超多维科技有限公司 | Method for manufacturing microlens array |
Non-Patent Citations (1)
| Title |
|---|
| 《Microelectronic Engineering》 20010824 Jun Yao et al. Refractive micro lens array made of dichromate gelatin with gray-tone photolithography , 2 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013155838A1 (en) * | 2012-04-19 | 2013-10-24 | 京东方科技集团股份有限公司 | Cylindrical lenticulation and manufacturing method thereof |
| CN105228476A (en) * | 2013-04-15 | 2016-01-06 | 哈利·洛斯特 | Article and manufacture method thereof |
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Application publication date: 20101110 |