CN105137529A - Manufacturing method of optical microstructure, processing machine cabinet and light guide plate die - Google Patents
Manufacturing method of optical microstructure, processing machine cabinet and light guide plate die Download PDFInfo
- Publication number
- CN105137529A CN105137529A CN201510641447.1A CN201510641447A CN105137529A CN 105137529 A CN105137529 A CN 105137529A CN 201510641447 A CN201510641447 A CN 201510641447A CN 105137529 A CN105137529 A CN 105137529A
- Authority
- CN
- China
- Prior art keywords
- base material
- radium
- light beam
- protuberance
- guide plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0065—Manufacturing aspects; Material aspects
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
Abstract
The invention provides a manufacturing method of an optical microstructure, a processing machine cabinet and a light guide plate die. The method is characterized in that a laser beam irradiates a substrate having a melting temperature and one processing temperature of the laser beam meets a condition that C2 is larger than or equal to C1 and is smaller than or equal to (1.1*C1); and when the laser beam bombards the substrate, the substrate is melted down and then is cooled, and thus at least one protrusion part and a recessed part arranged at the peripheral side of the protrusion part are formed on the surface of the substrate. Therefore, the protrusion part can be formed on substrate based on laser processing by controlling the processing temperature. The substrate can be used as a manufacturing die of a light guide plate and coats the outer side of a roller to carry out pressing processing on the light guide plate, so that a recessed microstructure is formed on the surface of the light guide plat by corresponding to the protrusion part and the protrusion part is not easy to crack during the pressing application process. The structure strength is excellent; and the service life of the die can be prolonged.
Description
Technical field
The present invention relates to light guide plate manufacture field, especially a kind of manufacture field manufacturing the light guide plate of optical microstructures.
Background technology
Light guide plate is the assembly forming even bright dipping in backlight module in order to directing light, it utilizes total reflection principle, light from the incidence of light guide plate incidence surface is passed to light guide plate long-range, and utilize the plural optical microstructures of light guide plate to destroy total reflection to adjust light quantity and outgoing light homogeneity, and form uniform area source.
The mode that tradition forms optical microstructures in light guide plate adopts mode of printing more.The optical microstructures pattern designed utilizes high astigmatism source print matter material to be printed on light guide plate to form site by it, destroys light total reflection reach the object controlling bright dipping by those sites.The lattice point structure of light guide plate is only formed at through mode of printing, viscosity due to printing-ink is subject to such environmental effects and wayward, make the homogeneity of lattice point structure and indivedual size neither easy to control, and then reduce product yield, and expend the overall process time.
In view of the inconvenience of optical microstructures is made in printing, the therefore manufacture method of the multiple non-genus printing-type optical microstructures of subsequent derivation.As being incorporated in the lump by optical microstructures when the forming light guide plate for asking, machining can be carried out for light guiding board mould core, or make optical microstructures pattern forming in die surface through etching mode.Machining is such as direct cuts out required optical microstructures pattern through cutter in die, has plural site for the light guide plate correspondence shaping through die forms optical microstructures pattern.Just adopt cutter cutting mode, the minimum dimension of optical microstructures is limited to cutter and cannot reaches pole microminiaturization, is not inconsistent market today product demand, and processing procedure microstructure size shaping again very consuming time easily has error.Etching mode then through cumbersome process as processing procedure formalities such as coating, exposure and electroforming, also need promote die manufacturing time cost and difficulty.
Therefore for solving the efficiency manufacturing optical microstructures in die, the light conducting plate structure that No. TW93113610, number of patent application and manufacture method thereof, disclose a kind of method for manufacturing light guide plate, and its step comprises provides a substrate; Utilize at least one radium-shine diverse location irradiated on this substrate, to form a gauffer site on each position, so as to forming a die; And utilize the shaping light guide plate of this die.The method utilizes radium-shine processing, and to form gauffer site on die, recycling die is through mode formed light conductive plates such as injection, hot pressing, casting, die casting or perfusions.And except can directly through except aforesaid way formed light conductive plate, also have now and adopt roller to carry out the mode impressed to form optical microstructures in light guide plate for light guide plate, it is similar to said method, after difference is that this substrate forms gauffer site, make it be coated on roller outside surface, recycling roller carries out impressing for light guide plate surface and optical microstructures is shaped.
But, no matter which kind of processing procedure of follow-up employing makes light guide plate, utilize radium-shine processing and the gauffer site be formed on substrate or die, slag expulsion events is produced by radium-shine high temperature irradiation affects, and form the gauffer site of depression, and one or more protrusion can be formed around gauffer site, be the crater aspect be commonly called as.Special in time carrying out imprinting process, because the relative light guide plate of roller must impose certain pressure, therefore after long-time pressure is rolled over, easily burst apart because of stressed in those gauffer sites, protrusion as all sides may fall in gauffer site because of bending or avalanche, causes the processing reduced lifespan of substrate or die.And the light guide plate made is impressed through this kind of substrate, the optical microstructures shape on its surface or size all can be affected, and cause the optical microstructures processing yield of light guide plate to decline.
In addition, through the radium-shine fold site be processed to form in die or substrate, belong to the aspect of depression, and make light guide plate limited through the above-mentioned shape of the optical microstructures after die or molding substrate that utilizes.Application category with light guide plate increases, singlet state spline structure cannot meet more diversified guide-lighting duty requirements, therefore how to adjust and the fold dot shape improving to manufacture on the die of light guide plate or substrate and procedure for processing, and the serviceable life etc. of die or substrate, for need improve at present one of problem.
Therefore the present inventor conceives a kind of optical microstructures manufacture method, machine table and light-conducting board mold thereof, effectively can solve the disappearance had in microstructures such as the gauffer sites of light-conducting board mold, to make it have better structural strength and variability, and promote impression yield further.
Summary of the invention
The technical problem to be solved in the present invention is the defect that the microstructures such as gauffer site in order to overcome prior art light-conducting board mold have, and provides a kind of optical microstructures manufacture method, machine table and light-conducting board mold thereof.
The present invention solves above-mentioned technical matters by following technical proposals:
The present invention discloses a kind of optical microstructures manufacture method in an embodiment, comprises the following steps: provide a base material, and this base material has a melting temperature C
1; And irradiate at least one radium-shine light beam to this base material, and this laser light harness has a processing temperature C
2, and meet C
1≤ C
2≤ (1.1 × C
1) condition, during to make this radium-shine light bombardment to this base material, make this base material be molten condition, and then form at least one protuberance at this substrate surface and be positioned at the depressed part of all sides of this protuberance after cooling.By this processing temperature of control, make this base material be beneficial to melt substance by forming molten condition during this radium-shine light bombardment and pile up this protuberance of formation.
The present invention then discloses a kind of laser processing machine table in another embodiment, and in order to perform optical microstructures manufacture method as the aforementioned, this laser processing machine table comprises: a carrying platform, is provided with placing this base material; One radium-shine resonant cavity, is provided with launching this radium-shine light beam; One drilling monitoring device, in order to monitor the change of this protuberance in real time, and produces a status command signal; And a processing temperature controller, in order to according to this status command signal, adjust this processing temperature of this radium-shine light beam.This laser processing machine table can monitor the shaped state of this protuberance in real time, and adjusts this processing temperature at any time through this processing temperature controller, to promote procedure for processing yield.
Formation can be piled up smoothly for making this protuberance, except controlled working temperature, also can adjust for the energy state of this radium-shine light beam, therefore the present invention is based on the respective embodiments described above, make this base material be positioned at the out-of-focus of this radium-shine light beam further, make this radium-shine light beam adopt out of focus mode to bombard for this base material.
In addition, when making this base material be a sheet metal, after this protuberance of plural number is shaped, the coated roller of this base material, to form plural microstructure through pressure rolling mode in a light guide plate surface.Whereby, namely this base material of the present invention can be used as the mould being provided with manufacturing light guide plate and uses, and makes light guide plate may correspond to these protuberances to form these microstructures.
In another embodiment, make the transverse mode image of this radium-shine light beam be Rotational Symmetry, the melt region formed after this base material for this radium-shine light bombardment is more conducive to the accumulation of this protuberance.
The present invention in an embodiment again, disclose a kind of light-conducting board mold, it processes with aforesaid optical microstructures manufacture method, and this light-conducting board mold comprises: a base material, has a transcription surface, in order to transcription one light guide plate; And a plurality of optical microstructures, be positioned at this transcription surface, those optical microstructures arbitrary are made up of a depressed part of a protuberance and all sides of being positioned at this protuberance; Wherein, this protuberance is made up of the material of original position in this depressed part.
Based on above-mentioned embodiment, the present invention discloses an application mode of this light-conducting board mold, even if also this base material is a sheet metal, and a coated roller is with through this light guide plate of pressure rolling mode transcription.
In sum, optical microstructures manufacture method of the present invention, through the parameter controlling this radium-shine light beam, to be processed into this protuberance in this base material through radium-shine, and the requirement of this protuberance of arranging in pairs or groups in the present invention and for this radium-shine light beam do parameter regulation and control, this protuberance of shaping also can be made to have better structural rigidity.In addition, this base material is after this protuberance of plural number is made, namely the mould that can be used as light guide plate uses, and a roller can be coordinated, this base material is coated on this roller to carry out impression processing for light guide plate, make this light guide plate these protuberances corresponding form plural microstructure, be beneficial to this light guide plate when subsequent applications, reach light modulation and guide-lighting usefulness.
In the present invention, above-mentioned optimum condition can combination in any on the basis meeting this area general knowledge, obtains each preferred embodiment of the present invention.
Positive progressive effect of the present invention is: effectively can solve the disappearance had in microstructures such as the gauffer sites of light-conducting board mold, to make it have better structural strength and variability, and promotes impression yield further.
Accompanying drawing explanation
Fig. 1 is the flow chart of steps of the embodiment of the present invention 1.
Fig. 2 is the base material schematic perspective view after processing of the embodiment of the present invention 1.
Fig. 3 is a machining sketch chart of the embodiment of the present invention 1.
Fig. 4 is another machining sketch chart of the embodiment of the present invention 1.
Fig. 5 is the application schematic diagram of base material after the processing of the embodiment of the present invention 1.
Fig. 6 is the machining sketch chart of the embodiment of the present invention 2.
Fig. 7 is the schematic perspective view of the embodiment of the present invention 3.
Description of reference numerals
10 base materials
101 protuberances
102 depressed parts
11 laser beam
2 light guide plate
20 microstructures
3 rollers
4 laser processing machine tables
40 carrying platforms
41 radium-shine resonant cavities
42 drilling monitoring devices
43 processing temperature controllers
5 light-conducting board molds
50 base materials
501 transcription surfaces
51 optical microstructures
511 protuberances
512 depressed parts
S101 ~ S102 step
A state out of focus
B focus state
C out-of-focus appearance
Embodiment
Enumerate preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly the present invention to be described.
Embodiment 1
Refer to Fig. 1,2 and 3 ~ 4, it is schematic perspective view after processing of the steps flow chart schematic diagram of the embodiment of the present invention 1, base material and each machining sketch chart.The present invention discloses a kind of optical microstructures manufacture method, comprises the following steps.
First, provide a base material 10, this is step S101.Wherein, this base material 10 has a melting temperature C
1.Then, as shown in step S102, irradiate at least one radium-shine light beam 11 to this base material 10, when bombarding to this base material 10 to make this radium-shine light beam 11, make this base material 10 in molten condition, and then at the depressed part 102 that this base material 10 surface forms at least one protuberance 101 and is positioned at this protuberance 101 weeks sides after cooling.Wherein, this radium-shine light beam 11 has a processing temperature C
2, and meet C
1≤ C
2≤ (1.1 × C
1) condition, by this restrictive condition to guarantee that this radium-shine light beam 11 bombards this base material 10 time, this base material 10 can be made to be maintained at molten condition, to avoid this processing temperature C
2vaporized state transmitted by too high this base material 10 that causes, even and only form the perforation of this depressed part 102 in this base material 10 surface after this radium-shine light beam 11 bombards.Such as, using general steel plate as base material 10, its melting temperature C
1be 1200 DEG C, then this processing temperature C
2the temperature range that can be allowed to is then between 1200 DEG C and 1320 DEG C, in order to avoid this processing temperature C
2too low and cannot this base material 10 of melting smoothly, or this processing temperature C
2too high and cause this base material 10 to be vaporized.And this processing temperature C of this radium-shine light beam 11
2, can be controlled by the frequency of this radium-shine light beam 11 and/or power adjustment.Generally speaking, radium-shine light beam 11 to expose to after base material 10 and makes it form molten condition, then cooling makes the base material 10 of melting pile up gradually naturally, and then formation protuberance 101, and the region be melted in protuberance 101 weeks sides then opposite lug 101 forms depressed part 102.
Wherein, the present invention also can make this base material 10 be positioned at the out-of-focus of this radium-shine light beam 11 in an embodiment, this radium-shine light beam 11 is made to adopt out of focus mode to bombard for this base material 10, the energy distribution making this radium-shine light beam 11 is by this suitableeest state, avoids the energy of this radium-shine light beam 11 too concentrate or disperse and cause this base material 10 temperature cooling cannot be coordinated to form this protuberance 101 by molten condition.Radium-shine light beam utilizes electromagnetic wave to export the characteristic of radium-shine light beam through gain media adjustment, gain media can be closed in optical resonant cavity, in optical resonant cavity, resonance effect is produced to make electromagnetic wave further, electromagnetic wave is coming and going constantly through gain media in process back and forth, is exportable laser light bundle after arriving critical conditions.When this radium-shine light beam 11 is in time exporting, its energy accumulated state can be adjusted further, namely general normal title out of focus, focus on and out-of-focus appearance, and according to from exporting the resonant cavity of this radium-shine light beam 11 by the state a out of focus, the focus state b and out-of-focus appearance c that are closely extremely far respectively radium-shine light beam.When radium-shine light beam 11 is state a out of focus, its energy is in disperse and to be the aspect of gradually assembling transfer focus state b to after continuing in radium-shine light beam 11 to advance, when the radium-shine light beam 11 of this state exposes to this base material 10, this base material 10 easily forms the comparatively wide and groove that the degree of depth is more shallow, when radium-shine light beam 11 moves on and is focus state b, its energy centralization, in being close to a bit, when the radium-shine light beam 11 of this state exposes to this base material 10, easily makes temperature too high and this base material 10 that gasifies, even make it form the state of a darker groove perforation, when radium-shine light beam 11 is converted to out-of-focus appearance c by focus state b, its energy a bit gradually can be disperseed by gathering, that is the outside diffusion profile of energy, and make the energy of radium-shine light beam 11 in the aspect by the outside crescendo in center, after the radium-shine light beam 11 of this state exposes to this base material 10, compared to the radium-shine light beam 11 of non-out-of-focus appearance c, the melt region area formed in this base material 10 is larger, and the regional temperature at this contiguous radium-shine light beam 11 edge of base material 10 correspondence is higher, then opposed edge sections temperature is lower for middle section, and make this base material 10 of molten condition can pile up this protuberance 101 of formation in the cooling of temperature lower, contiguous radium-shine light beam 11 fringe region then forms this depressed part 102.Therefore as shown in Figure 3, present embodiment makes this radium-shine light beam 11 bombard this base material 10 with out-of-focus appearance, to form this base material 10 of molten condition by irradiating by this radium-shine light beam 11, wherein the radium-shine light beam 11 of the 3rd figure is beneficial to magnifying state signal the various states that this radium-shine light beam 11 is described.Then namely as shown in Figure 4, this base material 10 of melting is piled up gradually and is formed this protuberance 101 and this depressed part 102.
In addition, when electromagnetic wave transmits in optical resonant cavity, be subject to optical resonant cavity border specification and its electromagnetic field aspect can be affected, generally referred to as the mode of radium-shine light beam, wherein, longitudinal mode (LongitudinalMode) and transverse mode (TransverseMode) can be divided into again, the radium-shine light beam of different modalities, apart from outside the difference of light intensity, also there is the difference of frequency.And transverse mode light intensity distributions, can by the image of the radium-shine light beam of visual inspection to learn its transverse mode aspect, longitudinal mode then cannot by visually seeing its light intensity distributions.Common transverse mode image has two kinds of forms, and one is rotational symmetry image (Hermite-GaussianModes), and another kind is then Rotational Symmetry (Laguerre-GaussianModes).Owing to effectively can adjust the transverse mode image of radium-shine light beam 11 through boundary condition, and consider structural strength and the shaping aspect of this protuberance 101, therefore the present invention makes the transverse mode image of this radium-shine light beam 11 be rotational symmetric aspect in an embodiment, such as adopt transverse mode image in the form of a ring, by this after this radium-shine light beam 11 bombards this base material 10, this base material 10 is made to form the melt region of ring-type, that is on this base material 10, by the middle section that the temperature of this radium-shine light beam 11 ring-type illuminated portion is surrounded higher than this aspect, and this base material 10 of molten condition can be cooled because middle section temperature is lower, it is made to pile up to central authorities to form this protuberance 101, and this protuberance 101 weeks sides are this depressed part 102 of ring-type.Precisely because can, according to the aspect of required formation protuberance 101, select corresponding Rotational Symmetry transverse mode image, therefore the present invention is not limited thereto.
See also Fig. 5, it is the application schematic diagram that the embodiment of the present invention 1 processes rear base material.In addition, this base material 10 can be a sheet metal or a metal die, after being beneficial to this protuberance 101 shaping of plural number, makes the plural microstructure 20 in a light guide plate 2 through all kinds of processing mode.When this base material 10 is a metal die, the mode such as ejection formation or perfusion of can adopting makes this light guide plate 2, and makes these protuberances 101 corresponding in this light guide plate 2 have these microstructures 20.And when this base material 10 is a sheet metal, after these protuberances 101 are shaped, the coated roller 3 of this base material 10 can be made, to form plural microstructure 20 through pressure rolling mode in this light guide plate 2 surface.After this base material 10 is processed with this radium-shine light beam 11 through aforementioned manner and is formed these protuberances 101, namely can pass through this roller 3 to impress for this light guide plate 2, make at least one surface these protuberances 101 corresponding of this light guide plate 2 form these microstructures 20 of depression aspect, these microstructures 20 of mat can adjust light condition to make this light guide plate 2 in time applying.In addition, formed because each this protuberance 101 is cooled to pile up by this base material 10 of melting, and in impress time and this light guide plate 2 there is certain contact area, therefore, even if be coated on this roller 3 pressurized to form these microstructures 20 to process for this light guide plate 2, these protuberances 101 also not easily produce the phenomenon of bursting apart because of stressed, and there is preferably structural strength, can increase except the production yield of this light guide plate 2 except geomery can guaranteeing these microstructures 20 etc., also can extend the serviceable life of this base material 10.
Refer to Fig. 6, it is the machining sketch chart of the embodiment of the present invention 2.In the present embodiment, the present invention discloses a kind of laser processing machine table 4, and it is in order to perform optical microstructures manufacture method as the aforementioned, and namely the technical characteristic being same as the first embodiment is no longer repeated in this.This laser processing machine table 4 comprises carrying platform 40, radium-shine resonant cavity 41, drilling monitoring device 42 and a processing temperature controller 43.
This carrying platform 40 is provided with placing this base material 10, and this radium-shine resonant cavity 41 is provided with launching this radium-shine light beam 11, to carry out for this base material 10 processing to form this protuberance 101 at least one and this depressed part 102.This drilling monitoring device 42 is provided with the change monitoring this protuberance 101 in real time, and produce a status command signal according to the variable condition of this protuberance 101, this drilling monitoring device 42 can be connected at this carrying platform 40 side or can independently set up, and only needs to make this drilling monitoring device 42 can monitor this protuberance 101 smoothly exactly.This processing temperature controller 43 is connected with this drilling monitoring device 42 telecommunication, with according to this status command signal, becomes because of to control this processing temperature C through the power of this radium-shine light beam 11 of adjustment or frequency etc.
2.Wherein this processing temperature controller 43 and this drilling monitoring device 42 can be adopted wireless or wired mode telecommunication and be connected, be set to one in this processing temperature controller 43 of the present embodiment in the lump in this radium-shine resonant cavity 41, and be example explanation through the aspect that wireless mode is connected with this drilling monitoring device 42 telecommunication.Wherein, if the variable condition of this protuberance 101 is after this radium-shine light beam 11 bombards this base material 10, this base material 10 cannot be made to form melting aspect smoothly, and then cause piling up without this base material 10 enough in molten condition forming this protuberance 101, then namely this drilling monitoring device 42 produces and sends this status command signal and give this processing temperature controller 43, can heighten this processing temperature C to make it according to this status command signal
2.Or this base material 10 is after irradiate by this radium-shine light beam 11, and this protuberance 101 cannot be made to be shaped or even to form vaporized state because of cooling in molten condition, may be now this processing temperature C
2too high and cause, therefore namely this drilling monitoring device 42 produces according to this kind of situation and sends this status command signal and give this processing temperature controller 43, turns down this processing temperature C to make it
2.By this, this laser processing machine table 4 of the present invention can monitor procedure for processing state at any time, and adjusts this processing temperature C in real time
2, to promote processing yield and to guarantee that this protuberance 101 can follow required aspect to be shaped.
Be same as aforementioned, for maintaining the shaping yield of this protuberance 101, can by the spacing of this carrying platform 40 of adjustment with this radium-shine resonant cavity 41, this base material 10 is made to be positioned at the out-of-focus of this radium-shine light beam 11, adopt out of focus mode in order to this radium-shine light beam 11 to bombard for this substrate 10, and the transverse mode image of this radium-shine light beam 11 can be made to be Rotational Symmetry.In addition, this base material 10 can be a sheet metal or a metal die, in order to follow-up through all kinds of processing mode make a light guide plate and on plural microstructure.Wherein, when this base material 10 is a sheet metal, after these protuberances 101 of plural number are shaped, make its coated roller 3, to utilize pressure rolling mode to form these microstructures 20 in this light guide plate 2 surface, and can be as shown in Figure 5.And each detail technical features has been addressed in previous embodiment, namely no longer repeated in this.
Refer to Fig. 7, it is the schematic perspective view of the embodiment of the present invention 3.In the present embodiment, the present invention discloses a kind of light-conducting board mold 5, and it processes with optical microstructures manufacture method as in the first embodiment, and this light-conducting board mold 5 comprises a base material 50 and a plurality of optical microstructures 51.
This base material 50 has a transcription surface 501, in order to transcription one light guide plate.These optical microstructures 51 are positioned at this transcription surface 501, those optical microstructures 51 arbitrary are made up of a protuberance 511 and the depressed part 512 that is positioned at this protuberance 511 weeks sides, wherein, this protuberance 511 is made up of the material of original position in this depressed part 512, that is adopt optical microstructures manufacture method as in the first embodiment to process, and after making this base material 50 of this radium-shine light bombardment, make this base material 50 in melting phenomenon in bombardment position and cool to form this protuberance 511 and this depressed part 512 to pile up, therefore this protuberance 511 namely belong to original position in melt region this base material 50 pile up and form.And the 5th figure can be consulted, as aforementioned, after this radium-shine light beam irradiation, namely this base material 50 is formed with this depressed part 512 of this protuberance 511 and all sides thereof and is combined to form this optical microstructures 51, can carry out transcription processing procedure for a light guide plate by these optical microstructures 51, such as aforementioned mat is coated on this roller and forms the procedure for processing of corresponding microstructure through impression mode in this light guide plate.
Optical microstructures manufacture method of the present invention, machine table and light-conducting board mold thereof, through this processing temperature controlling this radium-shine light beam, after exposing to this base material in it, this base material is made to form molten condition, and pile up because of cooling and form this protuberance and in this depressed part of its week side, in order to this base material with this protuberance and this depressed part as the mould of light guide plate to carry out transcription processing to light guide plate, make light guide plate surface may correspond to this protuberance and form microstructure.For making this protuberance can pile up formation smoothly, the present invention also limits this processing temperature height, and the energy aspect of this radium-shine light beam, has shape and size more accurately to make this protuberance of shaping.And this protuberance that the present invention makes, there is splendid structural strength, produce the phenomenon of bursting apart and damaging to avoid under long-time processing, the microstructure aspects causing light guide plate correspondence to be formed and size generation significant errors.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present invention and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection scope of the present invention.
Claims (10)
1. an optical microstructures manufacture method, comprises the following steps:
There is provided a base material, and this base material has a melting temperature C
1; And
Irradiate at least one radium-shine light beam to this base material, and this laser light harness there is a processing temperature C
2, and meet C
1≤ C
2≤ (1.1 × C
1) condition, during to make this radium-shine light bombardment to this base material, make this base material be molten condition, and then form at least one protuberance at this substrate surface and be positioned at the depressed part of all sides of this protuberance after cooling.
2. optical microstructures manufacture method as claimed in claim 1, wherein, this base material is positioned at the out-of-focus of this radium-shine light beam, makes this radium-shine light beam adopt out of focus mode to bombard for this base material.
3. optical microstructures manufacture method as claimed in claim 2, wherein, this base material is a sheet metal, and after this protuberance of plural number is shaped, the coated roller of this base material, to form plural microstructure through pressure rolling mode in a light guide plate surface.
4. optical microstructures manufacture method as claimed in claim 2 or claim 3, wherein, the transverse mode image of this radium-shine light beam is Rotational Symmetry.
5. a laser processing machine table, for performing the optical microstructures manufacture method as described in claim 1, this laser processing machine table comprises:
One carrying platform, is provided with placing this base material;
One radium-shine resonant cavity, is provided with launching this radium-shine light beam;
One drilling monitoring device, in order to monitor the change of this protuberance in real time, and produces a status command signal; And
One processing temperature controller, in order to according to this status command signal, adjusts this processing temperature of this radium-shine light beam.
6. machine table as claimed in claim 5, wherein, this base material is positioned at the out-of-focus of this radium-shine light beam, makes this radium-shine light beam adopt out of focus mode to bombard for this substrate.
7. machine table as claimed in claim 6, wherein, this base material is a sheet metal, and after this protuberance of plural number is shaped, the coated roller of this base material, to form plural microstructure through pressure rolling mode in a light guide plate surface.
8. laser processing machine table as claimed in claims 6 or 7, wherein, the transverse mode image of this radium-shine light beam is Rotational Symmetry.
9. a light-conducting board mold, be process with optical microstructures manufacture method as claimed in claim 1, this light-conducting board mold comprises:
One base material, has a transcription surface, in order to transcription one light guide plate; And
A plurality of optical microstructures, is positioned at this transcription surface, and those optical microstructures arbitrary are made up of a depressed part of a protuberance and all sides of being positioned at this protuberance;
Wherein, this protuberance is made up of the material of original position in this depressed part.
10. light-conducting board mold as claimed in claim 9, wherein, this base material is a sheet metal, in order to a coated roller, through this light guide plate of pressure rolling mode transcription.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510641447.1A CN105137529A (en) | 2015-09-30 | 2015-09-30 | Manufacturing method of optical microstructure, processing machine cabinet and light guide plate die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510641447.1A CN105137529A (en) | 2015-09-30 | 2015-09-30 | Manufacturing method of optical microstructure, processing machine cabinet and light guide plate die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105137529A true CN105137529A (en) | 2015-12-09 |
Family
ID=54722932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510641447.1A Pending CN105137529A (en) | 2015-09-30 | 2015-09-30 | Manufacturing method of optical microstructure, processing machine cabinet and light guide plate die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105137529A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107219586A (en) * | 2017-06-09 | 2017-09-29 | 苏州圣迪尔机电科技有限公司 | A kind of light guide plate end face micro-structural processing gear and preparation method thereof |
| CN108107503A (en) * | 2017-12-27 | 2018-06-01 | 翰博高新材料(合肥)股份有限公司 | A kind of method for the site height and integral brightness for promoting hot-pressing light guide plate |
| TWI637201B (en) * | 2017-02-16 | 2018-10-01 | 茂林光電科技股份有限公司 | A light guide plate and processing apparatus thereof |
| CN110216368A (en) * | 2018-03-01 | 2019-09-10 | 扬昕科技(苏州)有限公司 | A kind of method and system making mode |
| CN114063206A (en) * | 2021-10-22 | 2022-02-18 | 昆山锦林光电材料有限公司 | Front light plate with micro dot structure and manufacturing process thereof |
| CN114236669A (en) * | 2021-12-22 | 2022-03-25 | 东莞市现代精工实业有限公司 | Combined mesh point structure and light guide plate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007152374A (en) * | 2005-12-02 | 2007-06-21 | Fuji Electric Device Technology Co Ltd | Through-hole forming method for ferrite plate |
| US20100014316A1 (en) * | 2008-07-21 | 2010-01-21 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Light guide plate and method for manufacturing the same, and backlight module using the same |
| CN102151999A (en) * | 2011-02-10 | 2011-08-17 | 苏州茂立光电科技有限公司 | Method for manufacturing optical microstructure patterns in light guide plate |
| CN104858551A (en) * | 2015-06-08 | 2015-08-26 | 苏州向隆塑胶有限公司 | Manufacturing method of optical microstructure, machine table and light guide plate of machine table |
-
2015
- 2015-09-30 CN CN201510641447.1A patent/CN105137529A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007152374A (en) * | 2005-12-02 | 2007-06-21 | Fuji Electric Device Technology Co Ltd | Through-hole forming method for ferrite plate |
| US20100014316A1 (en) * | 2008-07-21 | 2010-01-21 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Light guide plate and method for manufacturing the same, and backlight module using the same |
| CN102151999A (en) * | 2011-02-10 | 2011-08-17 | 苏州茂立光电科技有限公司 | Method for manufacturing optical microstructure patterns in light guide plate |
| CN104858551A (en) * | 2015-06-08 | 2015-08-26 | 苏州向隆塑胶有限公司 | Manufacturing method of optical microstructure, machine table and light guide plate of machine table |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI637201B (en) * | 2017-02-16 | 2018-10-01 | 茂林光電科技股份有限公司 | A light guide plate and processing apparatus thereof |
| CN107219586A (en) * | 2017-06-09 | 2017-09-29 | 苏州圣迪尔机电科技有限公司 | A kind of light guide plate end face micro-structural processing gear and preparation method thereof |
| CN108107503A (en) * | 2017-12-27 | 2018-06-01 | 翰博高新材料(合肥)股份有限公司 | A kind of method for the site height and integral brightness for promoting hot-pressing light guide plate |
| CN110216368A (en) * | 2018-03-01 | 2019-09-10 | 扬昕科技(苏州)有限公司 | A kind of method and system making mode |
| CN114063206A (en) * | 2021-10-22 | 2022-02-18 | 昆山锦林光电材料有限公司 | Front light plate with micro dot structure and manufacturing process thereof |
| CN114236669A (en) * | 2021-12-22 | 2022-03-25 | 东莞市现代精工实业有限公司 | Combined mesh point structure and light guide plate |
| CN114236669B (en) * | 2021-12-22 | 2023-03-10 | 东莞市现代精工实业有限公司 | Combined mesh point structure and light guide plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105137529A (en) | Manufacturing method of optical microstructure, processing machine cabinet and light guide plate die | |
| CN101161400B (en) | Method for manufacturing mould core of light conducting plate | |
| EP2768626B1 (en) | Method and device for producing a structured surface on a steel embossing roller | |
| CN110315210B (en) | Pulse current processing and laser impact sheet composite multi-station replaceable female die forming device and method thereof | |
| US5987923A (en) | Process and apparatus for hot forming precision structures in flat glass | |
| CN103782207A (en) | Continuous method for the production of light guide plates | |
| CN110744205B (en) | Laser depth marking method for titanium-based multilayer composite material | |
| CN102319959A (en) | Surface microstructure-forming system based on coherent laser | |
| US8399800B2 (en) | Manufacturing method for metal mark plate | |
| CN104858551A (en) | Manufacturing method of optical microstructure, machine table and light guide plate of machine table | |
| CN101738676B (en) | Manufacturing method of light guide plate | |
| CN102019808B (en) | Mould pressing process method for preparing seamless laser packaging film | |
| TW201710054A (en) | Manufacturing method of optical microstructure, processing machine table and its light guide plate mold having excellent structural strength for prolonging service life of the convex portion as the mold | |
| CN101920397B (en) | Diffractive micro-optical element-based intense laser die-free forming method and device | |
| US8585390B2 (en) | Mold making system and mold making method | |
| CN209858907U (en) | Alignment film ladder printing plate | |
| CN102555639A (en) | Large-size fine decorative pattern metal plate and manufacturing method | |
| TWI611226B (en) | Light guide plate, back light module and processing method of light microstructure | |
| JP4918768B2 (en) | Optical screen, projection screen using the same, and method of manufacturing the optical screen | |
| KR20110067981A (en) | Method for overlay welding of pressing die | |
| WO2018141905A1 (en) | Method and device for producing a thin-walled object with a three-dimensional form | |
| CN107803470A (en) | A kind of preparation method of hot-pressing roller | |
| CN111516367A (en) | Laser manufacturing method and system for metal gravure plate | |
| KR20200051193A (en) | Manufacturing method of large area holographic master having seamless pattern | |
| TWI408041B (en) | A manufacturing method for mold to produce brightness enhancement films |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151209 |