CN107571516B - Cylindrical lenses moulding process - Google Patents
Cylindrical lenses moulding process Download PDFInfo
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- CN107571516B CN107571516B CN201710862529.8A CN201710862529A CN107571516B CN 107571516 B CN107571516 B CN 107571516B CN 201710862529 A CN201710862529 A CN 201710862529A CN 107571516 B CN107571516 B CN 107571516B
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Abstract
The present invention provides a kind of cylindrical lenses moulding process.The cylindrical lenses moulding process includes: step S1, provides rigid die, and rigid die has picture surface and the flat surface opposite with picture surface；Light-cured resin is arranged on the picture surface of rigid die and transparent cover layer is arranged on light-cured resin, forms structure to be solidified by step S2；Structure setting to be solidified is carried out the solidification of light-cured resin by step S3 in vacuum forming equipment, forms cylindrical lenses；And step S4, cylindrical lenses are removed from rigid die, obtain cylindrical lenses.It is above-mentioned that the unstable problem of cylindrical lenses caused by die deformation is avoided using rigid die；Meanwhile using the rigid nature of rigid die, when being formed structure setting to be solidified in vacuum forming equipment, die deformation will not be led to due to pressure change.After solidification is completed to form cylindrical lenses, releasing is easy to separate cylindrical lenses and rigid die after vacuumizing.
Description
Technical field
The present invention relates to cylindrical lenses production fields, in particular to a kind of cylindrical lenses moulding process.
Background technique
It is well known that cylindrical mirror formula naked eye 3D to the required precision of cylindrical lens lens pitch and lens height very
Height needs to reach the precision of sub-micron grade, otherwise will bring 3D crosstalk, influences 3D display effect.And it is changeable for cylindrical mirror formula
For naked eye 3D, to cylindrical lens surface nature, there are also additional requirements, since it is desired that alignment film is done on the surface lens, if column is saturating
Mirror surface nature is bad or uneven, then alignment film also will certainly be uneven, it is bad so as to cause LCD alignment, and then cause
3D display is bad.Therefore, the production high-precision and uniform cylindrical lens of surface nature become in the weight of cylindrical lens naked eye 3D technique
Weight.Chinese patent (application number: 200510128496.1) describing a kind of scheme, i.e., first completes hot-rolling wheel mantle coining, then
Cylindrical lens are formed by mask exposure, development and the method for cleaning.
But the production of cylindrical lens can be completed using the scheme of above-mentioned mold membrane imprinting moulding, but still have following deficiency
Place:
1. imprinting using mold membrane hot-rolling wheel, it is be easy to cause the deformation of mold membrane itself, in addition brought by roller driving
The formed precision of machine error, final cylindrical lens is insufficient and the lack of uniformity of lens height；
2. mask exposure molding necessarily leads to excessive glue problem and wet glue residua problem, needs to clean wet glue after development and do again
It is dry, it is easy to cause lens surface uniformity bad in lens remained on surface sundries or dissolvent residual, is difficult to be formed later uniform
Alignment film, and then influence 3D display effect；
3. mold membrane itself is also a kind of membrane material, as mentioned in patent (application number 201610789256.4), mold membrane
The PET film usually produced by roll-to-roll mode also can lead to mold because of mechanical stability difference in roll-to-roll production
The inhomogeneities of cylindrical mirror structure on film, then can be into one when with mold membrane by cylindrical mirror Structure transfer to glass or other membrane materials
Step generates the inhomogeneities of structure.Still further aspect, mold membrane itself are also easy warm and humid by environment because it is also a kind of membrane material
Degree changes and generates the deformation in structure, or increases mold membrane carrying cost, or eventually lead to the unstability of cylindrical lens structure.
Summary of the invention
The main purpose of the present invention is to provide a kind of cylindrical lenses moulding process, saturating to solve column in the prior art
The problem of mirror structural instability.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of cylindrical lenses moulding process, packet
Include: step S1 provides rigid die, and rigid die has picture surface and the flat surface opposite with picture surface；Step S2, rigid
Property mold picture surface on be arranged light-cured resin and on light-cured resin be arranged transparent cover layer, form structure to be solidified；
Structure setting to be solidified is carried out the solidification of light-cured resin by step S3 in vacuum forming equipment, forms cylindrical lenses；And
Cylindrical lenses are removed from rigid die, obtain cylindrical lenses by step S4.
Further, above-mentioned vacuum forming equipment has accommodating chamber and light source, is provided with flexible membrane, flexible membrane in accommodating chamber
Accommodating chamber is divided into epicoele and cavity of resorption, light source is arranged in epicoele, and step S3 includes: by structure setting to be solidified in cavity of resorption
In, transparent cover layer is arranged close to flexible membrane；The vacuum degree of control epicoele and cavity of resorption makes flexible membrane apply pressure to transparent cover layer
Power；And light-cured resin is irradiated using light source, solidify light-cured resin.
Further, above-mentioned vacuum forming equipment has accommodating chamber and light source, is provided with flexible membrane, flexible membrane in accommodating chamber
Accommodating chamber is divided into epicoele and cavity of resorption, light source is arranged in epicoele, and step S3 includes: by structure setting to be solidified in cavity of resorption
In, transparent cover layer is arranged close to flexible membrane；First time irradiation is carried out to light-cured resin using light source, keeps light-cured resin pre-
Solidification, obtains pre-curing resin；The vacuum degree of control epicoele and cavity of resorption makes flexible membrane apply pressure to transparent cover layer；And benefit
Second is carried out to pre-curing resin with light source to irradiate, and solidifies pre-curing resin.
Further, in above-mentioned steps S3, the positive pressure difference of 300~400mbar of epicoele and cavity of resorption formation passes through normal pressure
Official post flexible membrane applies pressure to transparent cover layer.
Further, above-mentioned light-cured resin is UV-cured resin, and light source is ultraviolet source, and the light irradiation of irradiation is strong
Degree is 800~1200mw/cm2, the time of irradiation is 5~50s, preferably 10~30s.
Further, above-mentioned light-cured resin is UV-cured resin, and light source is ultraviolet source, for the first time the light of irradiation
Irradiation intensity is 400~600mw/cm2, the time of irradiation is 1~10s for the first time；The light intensity of second of irradiation is 800
~1200mw/cm2, the time of second of irradiation is 5~40s.
Further, above-mentioned transparent cover layer includes: glass substrate；Transparency conducting layer, setting are on the glass substrate, transparent
Conductive layer is arranged towards light-cured resin.
Further, above-mentioned flexible membrane is rubber membrane.
Further, above-mentioned steps S2 is using coating, high precision ink-jet printer or accurate spray printing in rigid die
Light-cured resin is set on picture surface.
Further, before above-mentioned steps S2, above-mentioned cylindrical lenses moulding process further include: calculate the body of cylindrical lenses
Product, provides the light-cured resin of volume amount.
Further, the process that rigid die is provided in above-mentioned steps S1 includes: electroplated metal layer on stainless steel, excellent
Selecting metal layer is nickel layer or layers of copper；Carve the figure for being used to form cylindrical lenses, shape on the metal layer using high-accuracy engraving machine
At the picture surface of rigid die；Preferably, in the fixed rigid structure of the surrounding of stainless steel plate, rigid structure with carve after it is stainless
The thickness of steel plate is equal, and a surface of rigid structure and picture surface are in approximately the same plane.
It applies the technical scheme of the present invention, above-mentioned cylindrical lenses moulding process is substituted in the prior art using rigid die
Mold membrane, and then avoid the unstable problem of cylindrical lenses caused by die deformation；Meanwhile utilizing the hard of rigid die spy
Property, when being formed structure setting to be solidified in vacuum forming equipment, mold will not be caused to become due to pressure change
Shape.After solidification is completed to form cylindrical lenses, releasing is vacuumized, mold and cylindrical lenses due to lose cementation and due to
The rigid stress of mold, it is easy to separate the two.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows a kind of process signal for the cylindrical lenses moulding process that exemplary embodiment provides according to the present invention
Figure；
Fig. 2 shows a kind of structural schematic diagrams for the vacuum forming equipment that preferred embodiment provides according to the present invention；
Fig. 3 shows the schematic perspective view for the rigid die that the embodiment of the present invention 1 is proposed；
Fig. 4 shows the schematic perspective view being arranged after light-cured resin in rigid die shown in Fig. 3；
Fig. 5 shows the schematic perspective view being arranged after transparent cover layer in structure shown in Fig. 4；
Fig. 6, which is shown, is placed in the schematic perspective view handled in the cavity of resorption of accommodating chamber for structure shown in fig. 5；With
And
Fig. 7 shows the schematic perspective view of the obtained cylindrical lenses of embodiment 1.
Wherein, the above drawings include the following reference numerals:
10, accommodating chamber；30, light source；20, flexible membrane；100, rigid die；200 light-cured resins；300, transparent cover
Layer；400, cylindrical lenses.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As the application background technique is analyzed, cylindrical lenses moulding process in the prior art is due to mold membrane itself
Excessive glue caused by feature and technique or wet glue residua, cause cylindrical lens configuration unstable.In order to solve cylindrical lens configuration
Unstable problem, this application provides a kind of cylindrical lenses moulding process, as shown in Figure 1, the cylindrical lenses moulding process packet
Include: step S1 provides rigid die, and rigid die has picture surface and the flat surface opposite with picture surface；Step S2, rigid
Property mold picture surface on be arranged light-cured resin and on light-cured resin be arranged transparent cover layer, form structure to be solidified；
Structure setting to be solidified is carried out the solidification of light-cured resin by step S3 in vacuum forming equipment, forms cylindrical lenses；And
Cylindrical lenses are removed from rigid die, obtain cylindrical lenses by step S4.
The cylindrical lenses moulding process of the application substitutes mold membrane in the prior art using rigid die, and then avoids
The unstable problem of cylindrical lenses caused by die deformation；Meanwhile using the rigid nature of rigid die, by structure to be solidified
When setting is formed in vacuum forming equipment, die deformation will not be led to due to pressure change.It completes to be formed in solidification
After cylindrical lenses, releasing is vacuumized, and mold and cylindrical lenses are due to losing cementation and since the rigidity of mold answers masterpiece
With, it is easy to the two is separated.
In a preferred embodiment of the present application, as shown in Fig. 2, above-mentioned vacuum forming equipment has accommodating chamber 10 and light
Source 30 is provided with flexible membrane 20 in accommodating chamber 10, and accommodating chamber 10 is divided into epicoele and cavity of resorption by flexible membrane 20, and the setting of light source 30 exists
In epicoele, step S3 includes: by structure setting to be solidified in cavity of resorption, and transparent cover layer is arranged close to flexible membrane 20；In control
The vacuum degree of chamber and cavity of resorption makes flexible membrane 20 apply pressure to transparent cover layer；And light-cured resin is carried out using light source 30
Irradiation, solidifies light-cured resin.By structure setting to be solidified in cavity of resorption and transparent cover layer is arranged close to flexible membrane 20,
Transparent cover layer forms sealing function to light-cured resin, avoids the excessive glue phenomenon of light-cured resin；Then to epicoele under
Chamber is vacuumized, so that epicoele and cavity of resorption form positive differential pressure, and then flexible membrane 20 is made to apply pressure to transparent cover layer, both kept away
Exempted from the excessive glue in solidification process, and can also make light-cured resin be uniformly covered in the figure of entire mold and with transparent envelope
Cap rock, which is formed, to be in close contact, so that the structure for the cylindrical lenses that subsequent cure is formed is more stable.
In the application another kind preferred embodiment, as shown in Fig. 2, above-mentioned vacuum forming equipment has 10 He of accommodating chamber
Light source 30 is provided with flexible membrane 20 in accommodating chamber 10, and accommodating chamber 10 is divided into epicoele and cavity of resorption by flexible membrane 20, and light source 30 is arranged
In epicoele, step S3 includes: by structure setting to be solidified in cavity of resorption, and transparent cover layer is arranged close to flexible membrane 20；It utilizes
Light source 30 carries out first time irradiation to light-cured resin, makes light-cured resin precuring, obtains pre-curing resin；Control epicoele and
The vacuum degree of cavity of resorption makes flexible membrane 20 apply pressure to transparent cover layer；And second is carried out to pre-curing resin using light source 30
Secondary irradiation, solidifies pre-curing resin.Before vacuum extraction, precuring is carried out to light-cured resin, makes the glutinous of light-cured resin
Degree increases but does not lose mobility, avoids in vacuum since misoperation causes local pressure is excessive to generate showing for excessive glue
As.Certainly, it is vacuumized since epicoele and cavity of resorption are able to carry out, necessarily there is corresponding air inlet/outlet, position is specifically set
The prior art can be referred to, details are not described herein.
In order to guarantee the convenience of operation and the stability of pressure, preferably above-mentioned flexible membrane 20 is horizontally disposed, utilizes water
The flexible membrane 20 of flat setting presses to horizontal positioned transparent cover layer, under the premise of ensure that light-cured resin is stablized
The stability that the convenience and pressure for realizing operation apply.
Above-mentioned flexible membrane 20 can be fixed in vacuum forming equipment, and accommodating chamber is given as epicoele and cavity of resorption, specifically
Fixed form can refer to the prior art, details are not described herein.During controlling the vacuum degree of epicoele and cavity of resorption, flexible membrane
20 can be under the action of vacuum pressure difference to transparent cover layer protrusion based on elasticity factor, and then applies pressure to transparent cover layer.
Further, in above-mentioned steps S3, the positive pressure difference of 300~400mbar of epicoele and cavity of resorption formation passes through the positive pressure
Power official post flexible membrane applies pressure to transparent cover layer.Above-mentioned positive pressure difference more stably can be such that light-cured resin is just covered with
In the figure of entire mold, and it is unlikely to excessive glue again.
In order to improve Light-Curing Efficiency and guarantee photocuring effect, preferably above-mentioned light-cured resin is ultraviolet light solidification tree
Rouge, light source are ultraviolet source, and the light intensity of irradiation is 800~1200mw/cm2, the time of irradiation is 5~50s, preferably
10~30s.Energy needed for the identical light-cured resin of same volume solidifies is identical, and irradiation intensity is bigger, and energy is more, irradiation
Time is longer, and energy is also more, and those skilled in the art can be according to actual solidification effect come when selecting most suitable irradiation
Between.
In another embodiment of the application, preferably above-mentioned light-cured resin is UV-cured resin, and light source is purple
Outer light source, the light intensity of irradiation is 400~600mw/cm for the first time2, the time of irradiation is 1~10s for the first time；Second
The light intensity of irradiation is 800~1200mw/cm2, the time of second of irradiation is 5~40s.It is irradiated by above-mentioned first time
Control light-cured resin is cured within the scope of suitable viscosity, and making it not only has enough mobility, but also has preferable stablize
Property, avoid excessive glue.
On the one hand the effect of above-mentioned transparent cover layer is for sealing light-cured resin, on the other hand convenient for light source transmission pair
Light-cured resin is solidified, and therefore, the transparent material for being able to achieve above-mentioned effect in the prior art can be applied, and the application is preferred
Above-mentioned transparent cover layer includes: glass substrate and transparency conducting layer, and transparency conducting layer is arranged on the glass substrate, transparent to lead
Electric layer is arranged towards light-cured resin.On the one hand its translucency is preferable, on the other hand readily available, reduces cylindrical lenses and forms work
The cost of skill.
The main function of above-mentioned flexible membrane is to be used to apply pressure to transparent cover layer under pressure, preferably above-mentioned soft
Property film be rubber membrane.
In order to improve the accuracy of light-cured resin layout, preferably above-mentioned steps S2 is beaten using coating, high precision ink-jet
Light-cured resin is arranged on the picture surface of rigid die in print machine or accurate spray printing.
Further, before above-mentioned steps S2, above-mentioned cylindrical lenses moulding process further includes the body for calculating cylindrical lenses
Product, provides the light-cured resin of the volume amount.By calculating the volume of cylindrical lenses in advance, and provide the light of the volume amount
Solidified resin more stably avoids excessive glue phenomenon to provide the light-cured resin of quantity reported as precisely as possible, while reducing light
The dosage cost of solidified resin.
In a preferred embodiment of the present application, the process of above-mentioned offer rigid die includes: electric on stainless steel
Metal cladding；It carves the figure for being used to form cylindrical lenses on the metal layer using high-accuracy engraving machine, forms rigid die
Picture surface；Preferably, in the fixed rigid structure of the surrounding of stainless steel plate, the thickness phase of rigid structure and the stainless steel plate after engraving
Deng, and a surface of rigid structure and picture surface are in approximately the same plane.It is above-mentioned to be carved on the metal layer using high-accuracy engraving machine
The process for being used to form the figure of cylindrical lenses quarter, which can refer to, carves other shapes using high-accuracy engraving machine in the prior art
Mold process implement, for example the figure of computer design mold is utilized according to the shape for the cylindrical lenses to be made first,
Then metal layer is carved according to the figure.
Below with reference to embodiment and attached drawing, the beneficial effect of the application is further illustrated.
Embodiment 1
Rigid die 100 as shown in Figure 3 is provided, the metal layer of rigid die 100, which has, is used to form cylindrical lenses
Figure, metal layer are nickel layer；It is coated with light-cured resin 200 on the picture surface of rigid die 100, obtains knot as shown in Figure 4
Structure, and transparent cover layer 300 is set on light-cured resin 200, form structure to be solidified as shown in Figure 5；By knot to be solidified
Structure is arranged in the cavity of resorption of accommodating chamber 10, and transparent cover layer 300 is arranged close to flexible membrane 20, and flexible membrane 20 is fixed on vacuum forming
In equipment；Epicoele and cavity of resorption are vacuumized to adjust the vacuum degree of epicoele and cavity of resorption and make flexible membrane 20 to transparent cover layer
300 apply pressure；And light-cured resin 200 is irradiated using light source 30, solidify light-cured resin 200, forms column
Shape lens 400, it is specific as shown in Figure 6；Cylindrical lenses 400 are removed from rigid die, obtain cylindrical lenses shown in Fig. 7
400.Wherein, the dosage of light-cured resin and the volume of cylindrical lenses are equal；Epicoele and cavity of resorption form the normal pressure of 300mbar
Difference, light-cured resin PMMA, light source are ultraviolet source, light intensity 1000mw/cm2, irradiation time 20s.
Embodiment 2
Rigid die is provided, the metal layer of rigid die has the figure for being used to form cylindrical lenses, and metal layer is nickel layer；
It is coated with light-cured resin on the picture surface of rigid die and transparent cover layer is set on light-cured resin, forms knot to be solidified
Structure；By structure setting to be solidified in cavity of resorption, transparent cover layer is arranged close to flexible membrane, and flexible membrane is fixed on vacuum forming equipment
On；Epicoele and cavity of resorption are vacuumized to adjust the vacuum degree of epicoele and cavity of resorption and flexible membrane is made to apply pressure to transparent cover layer
Power；And light-cured resin is irradiated using light source, solidify light-cured resin, forms cylindrical lenses；By cylindrical lenses
It is removed from rigid die, obtains cylindrical lenses.Wherein, the dosage of light-cured resin and the volume of cylindrical lenses are equal；Epicoele
The positive pressure difference of 400mbar is formed with cavity of resorption, light-cured resin PMMA, light source is ultraviolet source, and light intensity is
600mw/cm2, irradiation time 50s.
Embodiment 3
Rigid die is provided, the metal layer of rigid die has the figure for being used to form cylindrical lenses, and metal layer is nickel layer；
It is coated with light-cured resin on the picture surface of rigid die and transparent cover layer is set on light-cured resin, forms knot to be solidified
Structure；By structure setting to be solidified in cavity of resorption, transparent cover layer is arranged close to flexible membrane, and flexible membrane 20 is fixed on vacuum forming and sets
It is standby upper；First time irradiation is carried out to light-cured resin using light source, makes light-cured resin precuring, obtains pre-curing resin；It is right
Epicoele and cavity of resorption are vacuumized to adjust the vacuum degree of epicoele and cavity of resorption and flexible membrane is made to apply pressure to transparent cover layer；And
Second is carried out to pre-curing resin using light source to irradiate, solidifies pre-curing resin, forms cylindrical lenses；By cylindrical lenses from
It is removed in rigid die, obtains cylindrical lenses.Wherein, the dosage of light-cured resin and the volume of cylindrical lenses are equal；Epicoele and
Cavity of resorption forms the positive pressure difference of 300mbar, and light-cured resin PMMA, light source is ultraviolet source, the light irradiation of irradiation for the first time
Intensity is 500mw/cm2, irradiation time 5s；The light intensity of second of irradiation is 1000mw/cm2, irradiation time 30s.
Embodiment 4
Difference with embodiment 3 is that the light intensity of irradiation is 600mw/cm for the first time2, irradiation time 1s；The
The light intensity of secondary irradiation is 800mw/cm2, irradiation time 40s.
Embodiment 5
Difference with embodiment 3 is that the light intensity of irradiation is 400mw/cm for the first time2, irradiation time 1s；The
The light intensity of secondary irradiation is 1000mw/cm2, irradiation time 40s.
Illustrate that the various embodiments described above do not have thereon without cull by the mold after observation the various embodiments described above demoulding
Have and excessive glue or wet glue residua phenomenon occurs；And the various embodiments described above, after being repeated 20 times, there is no deformation, explanations for mold
The rigidity of mold is higher, therefore can guarantee the stability of the cylindrical lens configuration in cylindrical lenses forming process.Meanwhile implementing
Example 5 is found during vacuumizing to epicoele and cavity of resorption, since first time irradiation is not enough, is able to observe that pre- solid
, but there is not excessive glue phenomenon in the whole process in the fluctuation for changing resin, and by the extension of second of irradiation time so that
Final solidification is accomplished.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
The cylindrical lenses moulding process of the application substitutes mold membrane in the prior art using rigid die, and then avoids
The unstable problem of cylindrical lenses caused by die deformation；Meanwhile using the rigid nature of rigid die, by structure to be solidified
When setting is formed in vacuum forming equipment, die deformation will not be led to due to pressure change.It completes to be formed in solidification
After cylindrical lenses, releasing is vacuumized, and mold and cylindrical lenses are due to losing cementation and since the rigidity of mold answers masterpiece
With, it is easy to the two is separated.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of cylindrical lenses moulding process characterized by comprising
Step S1, provides rigid die, and the rigid die has picture surface and the flat surface opposite with the picture surface；
Light-cured resin is arranged on the picture surface of the rigid die and is arranged on the light-cured resin transparent by step S2
Capping layer forms structure to be solidified；
The structure setting to be solidified is carried out the solidification of the light-cured resin by step S3 in vacuum forming equipment, is formed
Cylindrical lenses；And
The cylindrical lenses are removed from the rigid die, obtain the cylindrical lenses by step S4,
The vacuum forming equipment has accommodating chamber (10) and light source (30), is provided with flexible membrane in the accommodating chamber (10)
(20), the accommodating chamber (10) is divided into epicoele and cavity of resorption by the flexible membrane (20), and the light source (30) is arranged on described
In chamber, the step S3 includes:
By the structure setting to be solidified in the cavity of resorption, the transparent cover layer is arranged close to the flexible membrane (20)；
The vacuum degree for controlling the epicoele and the cavity of resorption makes the flexible membrane (20) apply pressure to the transparent cover layer；With
And
The light-cured resin is irradiated using the light source (30), solidifies the light-cured resin；
Or the step S3 includes:
By the structure setting to be solidified in the cavity of resorption, the transparent cover layer is arranged close to the flexible membrane (20)；
First time irradiation is carried out to the light-cured resin using the light source (30), makes the light-cured resin precuring, obtains
To pre-curing resin；
The vacuum degree for controlling the epicoele and the cavity of resorption makes the flexible membrane (20) apply pressure to the transparent cover layer；With
And
Second is carried out to the pre-curing resin using the light source (30) to irradiate, and solidifies the pre-curing resin.
2. cylindrical lenses moulding process according to claim 1, which is characterized in that in the step S3, the epicoele and
The cavity of resorption forms the positive pressure difference of 300~400mbar, by flexible membrane described in normal pressure official post (20) to the transparent cover
Layer applies pressure.
3. cylindrical lenses moulding process according to claim 1, which is characterized in that the light-cured resin is UV light
Change resin, the light source (30) is ultraviolet source, and the light intensity of the irradiation is 800~1200mw/cm2, the irradiation
Time be 5~50s.
4. cylindrical lenses moulding process according to claim 3, which is characterized in that the time of the irradiation is 10~30s.
5. cylindrical lenses moulding process according to claim 1, which is characterized in that the light-cured resin is UV light
Change resin, the light source (30) is ultraviolet source, and the light intensity of the first time irradiation is 400~600mw/cm2, described
The time of irradiation is 1~10s for the first time；The light intensity of second of the irradiation is 800~1200mw/cm2, described second
The time of secondary irradiation is 5~40s.
6. cylindrical lenses moulding process according to claim 1, which is characterized in that the transparent cover layer includes:
Glass substrate；
Transparency conducting layer is arranged on the glass substrate, and the transparency conducting layer is arranged towards the light-cured resin.
7. cylindrical lenses moulding process according to claim 1, which is characterized in that the flexible membrane (20) is rubber membrane.
8. cylindrical lenses moulding process according to claim 1, which is characterized in that the step S2, which is used, to be coated with, is high-precision
Light-cured resin is arranged on the picture surface of the rigid die in density ink-jet printer or accurate spray printing.
9. cylindrical lenses moulding process according to claim 1, which is characterized in that before the step S2, the column
Shape lens moulding process further include: the volume for calculating the cylindrical lenses provides the light-cured resin of the volume amount.
10. cylindrical lenses moulding process according to claim 1, which is characterized in that provide rigid mould in the step S1
The process of tool includes:
Electroplated metal layer on stainless steel；
It carves the figure for being used to form the cylindrical lenses on the metal layer using high-accuracy engraving machine, forms the rigidity
The picture surface of mold.
11. cylindrical lenses moulding process according to claim 10, which is characterized in that the metal layer is nickel layer or copper
Layer.
12. cylindrical lenses moulding process according to claim 10, which is characterized in that solid in the surrounding of the stainless steel plate
Determine rigid structure, the rigid structure is equal with the thickness of the stainless steel plate after engraving, and one of the rigid structure
Surface and the picture surface are in approximately the same plane.
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| CN201710862529.8A CN107571516B (en) | 2017-09-21 | 2017-09-21 | Cylindrical lenses moulding process |
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|---|---|---|---|
| CN201710862529.8A CN107571516B (en) | 2017-09-21 | 2017-09-21 | Cylindrical lenses moulding process |
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| JP2005250469A (en) * | 2004-03-05 | 2005-09-15 | Arisawa Mfg Co Ltd | Lens, transmission type screen, and method for manufacturing lems |
| CN101655571B (en) * | 2009-07-09 | 2011-05-18 | 深圳超多维光电子有限公司 | Method for manufacturing prism grating |
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