CN104407408A - Slit grating 3D manufacturing method - Google Patents
Slit grating 3D manufacturing method Download PDFInfo
- Publication number
- CN104407408A CN104407408A CN201410237607.1A CN201410237607A CN104407408A CN 104407408 A CN104407408 A CN 104407408A CN 201410237607 A CN201410237607 A CN 201410237607A CN 104407408 A CN104407408 A CN 104407408A
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- slit grating
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1847—Manufacturing methods
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1847—Manufacturing methods
- G02B5/1857—Manufacturing methods using exposure or etching means, e.g. holography, photolithography, exposure to electron or ion beams
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
Abstract
The invention relates to a slit grating 3D manufacturing method. The concrete steps are performed as follows: 1) a slit grating data model is established, the data model is inputted to 3D printing equipment, material and shape of each layer of two-dimensional plane are obtained according to the data model and a printing path and fusion and sintering time are designed; 2) a transparent substrate is arranged in a 3D printing formation cavity, and the configured liquid ultraviolet light curing material is evenly transferred to the surface of the substrate along a horizontal direction by utilizing spraying, roller coating or the printing equipment; 3) an ultraviolet lamp is controlled to move along the scanning path of the ultraviolet lamp so that the liquid or semisolid ultraviolet light curing material is cured on the transparent substrate, and thus the patterned slit grating is formed; and 4) the surface of the substrate is processed, the completely manufactured substrate is moved out of the 3D printing equipment, and the array surface and the internal part, including residual light curing material on the surface of the substrate in the nozzle printing and curing process, are cleaned. The preparation technology of the slit grating can be simplified, and quality and performance of the slit grating can be enhanced.
Description
Technical field
The present invention relates to a kind of 3D manufacture method of slit grating, be applied to slit grating preparation.
Background technology
The objective reality world is three-dimensional, and due to the difference of people's right and left eyes position, the image of the same point that two eyes are seen can produce difference slightly, and binocular parallax images synthesizes three-dimensional image through brains.Help looking/grating 3D show mainly based on binocular parallax principle, allow beholder's eyes see different anaglyphs respectively, namely left eye sees left view picture, and right eye sees right view picture, then through brain merge, make beholder perceive stereo-picture.
In order to reduce the finding world more really, 3D display has become the new development trend in display field.Help and need wearing stereoscopic glasses or the helmet depending on 3D display, thus make troubles to beholder, and be unfavorable for that very much some crowds (as child and the people having worn myopia or spectacles for long sight) watch.In addition, various helping has its inherent shortcoming depending on display, and the brightness of image as polarized light 3D display is low, and shutter 3D display needs are synchronous with display.Bore hole 3D display makes beholder help depending on just watching 3D image when equipment at not wearing spectacles or the helmet etc., have better look perception by and experience on the spot in person, become present stage display area research focus.
Bore hole 3D display is coupled to form by disparity barrier grating and 2D display precision.Disparity barrier grating a kind ofly carries out the control of certain way by printing opacity and light tight barrier to luminous ray travel path, make the right and left eyes of beholder watch the beam splitter of different anaglyphs, comprise slit grating, Lenticular screen, vibrating grating and liquid crystal grating etc.The light-dividing principle of various grating is different, but the effect that they play is similar, and can phase trans-substitution in a lot of situation.Wherein slit grating mechanism is simple, is easy to processing, the feature that cost of manufacture is cheap.User arbitrarily can design the width of shield bars and light transmission strip according to actual needs, produces the slit grating of all size, splicing especially can be utilized to realize supersize 3D and show.
The method for making of traditional disparity barrier grating comprises serigraphy, photoetching plated film, film laminating, machining etc.Such as photoetching coating method, comprises step: 1) adopt printing, physical vapour deposition (PVD), chemical vapor deposition, electroless plating to deposit lighttight coating materials or rete 2 on the transparent substrate) printing 3 of mask plate) photoresist spin coating 4) exposure 5) develop 6) wet etching 7) move back glue.Therefore technological process is complicated and cost is higher.And for example film laminating, film itself is soft, and be also out of shape, the slit grating prepared with it also needs supporting construction as protection, and manufacturing process is also very complicated.
Summary of the invention
For the problems referred to above, the present invention proposes a kind of 3D manufacture method of slit grating, contributes to solving the manufacturing process also problem such as very complicated.
Technical program of the present invention lies in:
A 3D manufacture method for slit grating, it is characterized in that, concrete steps are performed as follows:
1) set up the data model of slit grating, data model is input in 3D printing device, draw material on every layer of two dimensional surface and shape according to data model, design printing path and melting, sintering time;
2) transparency carrier being positioned over 3D is printed as in die cavity, utilizes spraying, roller coat or printing device in the horizontal direction the liquid configured or semisolid UV curable materials to be evenly transferred to substrate surface;
3) control uviol lamp moves along its scanning pattern and liquid or semisolid UV curable materials is solidified on transparency carrier, and then forms graphical slit grating;
4) substrate surface treatment, shifts out 3D printing device by the substrate manufactured, and cleaning array surface, with inner, comprise in nozzle printing and solidification process and remains in the unnecessary photo-curing material of substrate surface.
Wherein, described digital modeling comprises foundation and the two-dimensional digital process of three-dimensional digital model, and the short transverse namely along model carries out segmentation section to model, obtains the two-dimensional silhouette figure of each layer cross section; The three-dimensional drawing software that three-dimensional digital model adopts.
The slit grating that step 3 is formed adopts laser sintered or melt extrudes shaping preparation, or adopts ultraviolet curing or three dimensional ink jet printing to prepare.
The invention has the advantages that:
The present invention can simplify the preparation technology of slit grating, improve quality, the performance of slit grating, wherein 3D printing technique has very high process flexibility and precision, accurately can control the speed printed, position, number of times, multiple difference structure printhead prints can be adopted, to industrial application, there is very large promotion, make Rapid Prototyping technique obtain very large development.
Accompanying drawing explanation
Fig. 1 is the oblique arrangement schematic diagram of anaglyph sub-pixel in composograph.
Fig. 2 is the structural representation of the stepped slit grating of embodiment of the present invention compacted under.
Fig. 3 is the structural representation of the bar shaped slit grating of embodiment of the present invention compacted under.
Embodiment
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, is described in detail below by reference to the accompanying drawings.
Below will be described in further detail the present invention by specific embodiment.
Consult Fig. 1 to Fig. 3, the present invention relates to a kind of 3D manufacture method of slit grating, concrete steps are performed as follows:
1) set up the data model of slit grating, data model is input in 3D printing device, draw material on every layer of two dimensional surface and shape according to data model, design printing path and melting, sintering time;
2) transparency carrier being positioned over 3D is printed as in die cavity, utilizes spraying, roller coat or printing device in the horizontal direction the liquid configured or semisolid UV curable materials to be evenly transferred to substrate surface;
3) control uviol lamp moves along its scanning pattern and liquid or semisolid UV curable materials is solidified on transparency carrier, and then forms graphical slit grating;
4) substrate surface treatment, shifts out 3D printing device by the substrate manufactured, and cleaning array surface, with inner, comprise in nozzle printing and solidification process and remains in the unnecessary photo-curing material of substrate surface.
Above-mentioned digital modeling comprises foundation and the two-dimensional digital process of three-dimensional digital model, and the short transverse namely along model carries out segmentation section to model, obtains the two-dimensional silhouette figure of each layer cross section; The adoptable three-dimensional picture software package of three-dimensional digital model draws together Pro/E, SolidWorks, CATIA, UG, Solidege, AUTO CAD etc.; The three-dimensional digital model of slit grating is carried out to the softwares such as the available RP-Tools of two-dimensional digital process.
Said method depends on 3D and prints slit grating system, comprises control section and mechanical part.Described control section provides instruction for mechanical part, is converted into the scrutable digital model of software by computer modeling, then is used by digital model computer program to be converted to special mechanical equipment instruction, controls by instruction the printing that mechanical system completes model.
The slit grating that step 3 is formed adopts laser sintered or melt extrudes shaping preparation, or adopts ultraviolet curing or three dimensional ink jet printing to prepare.
Specific implementation process:
Concrete steps are as follows:
Stepped slit grating print parameters is determined, comprise every bar light non-transmittable layers and euphotic width and length, thicknesses of layers, the preferred light tight thicknesses of layers of this enforcement is 200nm, and light non-transmittable layers width is * nm, and length is * nm.(concrete data are determined according to actual needs).In order to reduce the loss of slit grating to light, improve the brightness of 3D display, the light transmission strip of slit grating can completely without film or glass, glass, polymethylmethacrylate (PMMA), polyethylene terephthalate etc., the optional reflecting type of shield bars instead of light-absorbing type film material, as opaque metal material, comprise steel plate, aluminium sheet, chromium steel plate, chromium plate, nickel plate, tantalum plate or titanium plate.The present embodiment preferably clear substrate is glass, and light tight film material selects opaque crome metal.
Crome metal nano particle shifts, and utilizes powder-laying roller equipment in the horizontal direction chromium nano particle to be evenly transferred to substrate surface, or utilizes the shower nozzle increased in material equipment (3D printing) to move along its scanning pattern chromium nano particle is uniformly coated on substrate surface; The preferred shower nozzle increased in material equipment (3D printing) of this enforcement moves chromium nano particle along its scanning pattern and is uniformly coated on substrate surface.
Crome metal nano wire shifts, spraying or roll coating apparatus is utilized in the horizontal direction the liquid ultraviolet photocuring chromium nano wire configured evenly to be transferred to substrate surface, or utilize the shower nozzle increased in material equipment (3D printing) to move along its scanning pattern, the liquid ultraviolet photocuring chromium nano wire configured is uniformly coated on substrate surface; The preferred shower nozzle increased in material equipment (3D printing) of this enforcement moves along its scanning pattern and liquid ultraviolet photocuring chromium nano wire is uniformly coated on substrate surface.
Crome metal nano wire solidifies, and controls uviol lamp and moves along spraying moving direction, and irradiate the liquid ultraviolet photocuring crome metal nano wire on its scanning pattern; After solidification, chromium nano wire and glass substrate are bonded together, and form stepped slit optical grating construction.
Substrate surface treatment, shifts out 3D printing device by the substrate manufactured, and cleaning array surface, with inner, comprise in nozzle printing and solidification process and remains in the unnecessary crome metal nano wire of substrate surface.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (3)
1. the 3D manufacture method of a slit grating, it is characterized in that, concrete steps are performed as follows: the data model 1) setting up slit grating, data model is input in 3D printing device, draw material on every layer of two dimensional surface and shape according to data model, design printing path and melting, sintering time;
2) transparency carrier being positioned over 3D is printed as in die cavity, utilizes spraying, roller coat or printing device in the horizontal direction the liquid configured or semisolid UV curable materials to be evenly transferred to substrate surface;
3) control uviol lamp moves along its scanning pattern and liquid or semisolid UV curable materials is solidified on transparency carrier, and then forms graphical slit grating;
4) substrate surface treatment, shifts out 3D printing device by the substrate manufactured, and cleaning array surface, with inner, comprise in nozzle printing and solidification process and remains in the unnecessary photo-curing material of substrate surface.
2. the 3D manufacture method of a kind of slit grating according to claim 1, it is characterized in that: described digital modeling comprises foundation and the two-dimensional digital process of three-dimensional digital model, namely the short transverse along model carries out segmentation section to model, obtains the two-dimensional silhouette figure of each layer cross section; The three-dimensional drawing software that three-dimensional digital model adopts.
3. the 3D manufacture method of a kind of slit grating according to claim 1, is characterized in that: the slit grating that step 3 is formed adopts laser sintered or melt extrudes shaping preparation, or adopts ultraviolet curing or three dimensional ink jet printing to prepare.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410237607.1A CN104407408A (en) | 2014-05-31 | 2014-05-31 | Slit grating 3D manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410237607.1A CN104407408A (en) | 2014-05-31 | 2014-05-31 | Slit grating 3D manufacturing method |
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| CN104407408A true CN104407408A (en) | 2015-03-11 |
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| CN201410237607.1A Pending CN104407408A (en) | 2014-05-31 | 2014-05-31 | Slit grating 3D manufacturing method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729127A (en) * | 2016-05-05 | 2016-07-06 | 安徽中科镭泰激光科技有限公司 | Laser manufacture teaching machine |
| CN107462948A (en) * | 2017-07-17 | 2017-12-12 | 东北大学 | Annular fiber with unsymmetrical grating and its in the aborning application of orbital angular momentum |
| CN108152873A (en) * | 2017-12-07 | 2018-06-12 | 深圳力合防伪技术有限公司 | A kind of varied spacing concave grating and its manufacture craft |
| CN108633332A (en) * | 2015-04-02 | 2018-10-09 | 真正视野有限责任公司 | For the method and system for processing the improved bearing for being used for 3D display and the correspondence bearing processed |
| CN111123543A (en) * | 2018-10-15 | 2020-05-08 | 青海荟源工贸有限公司 | Bore hole 3D concatenation screen |
| CN114167532A (en) * | 2021-12-10 | 2022-03-11 | 谷东科技有限公司 | Diffraction grating waveguide, preparation method thereof and near-to-eye display device |
| CN115129018A (en) * | 2022-08-31 | 2022-09-30 | 深圳市俱进纸品包装有限公司 | Grating production control method, system and medium based on Internet of things |
| CN115157680A (en) * | 2022-06-24 | 2022-10-11 | 芯体素(杭州)科技发展有限公司 | 3D printing-based grating preparation method and 3D printing equipment |
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2014
- 2014-05-31 CN CN201410237607.1A patent/CN104407408A/en active Pending
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| 余东满等: ""光固化快速成型工艺过程分析及应用"", 《机械设计与制造》 * |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108633332A (en) * | 2015-04-02 | 2018-10-09 | 真正视野有限责任公司 | For the method and system for processing the improved bearing for being used for 3D display and the correspondence bearing processed |
| CN105729127A (en) * | 2016-05-05 | 2016-07-06 | 安徽中科镭泰激光科技有限公司 | Laser manufacture teaching machine |
| CN107462948A (en) * | 2017-07-17 | 2017-12-12 | 东北大学 | Annular fiber with unsymmetrical grating and its in the aborning application of orbital angular momentum |
| CN107462948B (en) * | 2017-07-17 | 2019-10-25 | 东北大学 | Annular fiber with unsymmetrical grating and its in the aborning application of orbital angular momentum |
| CN108152873A (en) * | 2017-12-07 | 2018-06-12 | 深圳力合防伪技术有限公司 | A kind of varied spacing concave grating and its manufacture craft |
| CN111123543A (en) * | 2018-10-15 | 2020-05-08 | 青海荟源工贸有限公司 | Bore hole 3D concatenation screen |
| CN114167532A (en) * | 2021-12-10 | 2022-03-11 | 谷东科技有限公司 | Diffraction grating waveguide, preparation method thereof and near-to-eye display device |
| CN115157680A (en) * | 2022-06-24 | 2022-10-11 | 芯体素(杭州)科技发展有限公司 | 3D printing-based grating preparation method and 3D printing equipment |
| CN115157680B (en) * | 2022-06-24 | 2023-09-12 | 芯体素(杭州)科技发展有限公司 | Grating preparation method based on 3D printing and 3D printing equipment |
| CN115129018A (en) * | 2022-08-31 | 2022-09-30 | 深圳市俱进纸品包装有限公司 | Grating production control method, system and medium based on Internet of things |
| CN115129018B (en) * | 2022-08-31 | 2022-11-18 | 深圳市俱进纸品包装有限公司 | Grating production control method, system and medium based on Internet of things |
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Application publication date: 20150311 |
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