CN108581213A - A kind of laser of light guide plate directly carves processing technology - Google Patents

A kind of laser of light guide plate directly carves processing technology Download PDF

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Publication number
CN108581213A
CN108581213A CN201810412115.XA CN201810412115A CN108581213A CN 108581213 A CN108581213 A CN 108581213A CN 201810412115 A CN201810412115 A CN 201810412115A CN 108581213 A CN108581213 A CN 108581213A
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CN
China
Prior art keywords
laser
guide plate
light guide
module
light
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
Application number
CN201810412115.XA
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Chinese (zh)
Inventor
任文师
郝贵斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DONGGUAN YUNCHENG PLATE-MAKING Co Ltd
Original Assignee
DONGGUAN YUNCHENG PLATE-MAKING Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DONGGUAN YUNCHENG PLATE-MAKING Co Ltd filed Critical DONGGUAN YUNCHENG PLATE-MAKING Co Ltd
Priority to CN201810412115.XA priority Critical patent/CN108581213A/en
Publication of CN108581213A publication Critical patent/CN108581213A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36Removing material
    • B23K26/361Removing material for deburring or mechanical trimming

Abstract

The invention discloses a kind of laser of light guide plate directly to carve processing technology, including laser control system, the laser control system includes laser output module, parameter input module, array of structures control module, central control process module and memory module, the laser output module, parameter input module, array of structures control module, the equal information communication of central control process module, the laser control system are set as can be achieved to carry out position in longitudinal and transverse direction to laser beam and laser beam being focused and be arranged.The processing technology cost of the present invention is relatively low, using the contactless production technology of laser, concave point is formed on optical material, will not destroy the direction of transmitted light on optical material so that the product brightness machined is high, want bright, and luminance errors is small on the whole, good evenness, and change linear light source is area source, illuminance is more uniformly distributed, is softer, vision is more comfortable, is worthy to be popularized.

Description

A kind of laser of light guide plate directly carves processing technology
Technical field
The present invention relates to light guide plate technology field, especially a kind of laser of light guide plate directly carves processing technology.
Background technology
Light guide plate (light guide plate) is acrylic/PC plate material using optical grade, then high anti-with having Rate and the not hitech materials of extinction are penetrated, carve in the acryl plates bottom surface laser engraving of optical grade, V-type cross grid, UV screen printing technologies stamp light guiding points.The light issued from lamp is drawn in optical grade acrylic using optical grade acryl plates The stop of plate surface, when light is mapped to each light guiding points, reflected light can be spread toward all angles, then destroy conditioned reflex It is projected by light guide plate front.By various densitys, light guiding points not of uniform size, light guide plate uniformly light-emitting can be made.The use of reflector plate Way is that the light reflection for exposing bottom surface is returned in light guide plate, for improving the service efficiency of light;With homalographic light emission luminance situation Under, luminous efficiency is high, low in energy consumption.Single side micro structure array light guide plate generally uses the manufacture craft of extrusion molding.
Light guide plate design principle is derived from the liquid crystal display of laptop, is the high-tech that linear light source is changed into area source Skill product.Optical grade acrylic (PMMA)/PC is base material, with the back light model setting technology of LCD display and laptop, thoroughly The high light line conductivity for crossing light guiding points calculates light guiding points through computer, makes light guide plate light refraction at the equal light state system of area source Cause type.Product is combined and in constant temperature, constant humidity, dustless environmental condition using spectrophotometry with number UV printing technologies Under be made.With ultra-thin, superbright, it is guide-lighting uniformly, energy-saving and environmental protection, no dark space, durable, to be not easy yellow, installation and maintenance simple Quick to wait distinguishing features, light conducting board processing method traditional at present, life of product is short, and easily damages, and the production processed The product uniformity is poor, therefore herein it is proposed that a kind of laser of light guide plate directly carves processing technology.
Invention content
The present invention is to solve above-mentioned phenomenon, and using the technical solution of following modification, a kind of laser of light guide plate directly carves processing Technique, including laser control system, the laser control system include laser output module, parameter input module, array of structures Control module, central control process module and memory module, the laser output module, parameter input module, array of structures control Molding block, the equal information communication of central control process module, the laser control system are set as can be achieved to laser beam in longitudinal and transverse side To progress position and laser beam can be focused and be arranged.
As present invention further optimization mode, the integral processing method of light guide plate includes the following steps,
Light guide plate is fixed on workbench by A;
B, focusing adjust laser output module and are fixed at a distance from light guide plate, and by laser output module;It is defeated using parameter Enter module input between the information and laser output unit and workbench for the light guide plate that carry out laser engraving Range information, and input image information is to array of structures control module;Central control process module is defeated according to the parameter The information for entering module and array of structures control module input matches corresponding parameter in the memory unit, and according to described After parameter calculates the data of laser output unit output laser and the operation data of workbench, laser engraving order is executed;
C, laser output module receive the laser controlling order of central control process module output, and according to the control received The optical component that system order adjusts laser output module makes it export the laser of required performance;
D, by adjust laser output module project laser irradiation on light guide plate, while by the inclination of workbench, Rotation, movement make to generate corresponding pattern on light guide plate.
As present invention further optimization mode, the wavelength of the laser of laser control system output is 12.4 μm- 32.6 μm, power 80W-420W, frequency 180MHz, the distance between laser output unit and workbench are 0cm- 45cm。
Further include laser scribing collimation method, specifically as present invention further optimization mode, it is necessary first to be formed multiple anti- Light spreading grooves, uniform in order to make entire field shine, more from light source more dipped beam line, V-groove density is small, from the more long-range portion of light source Light splitter has been sent out, and light is few, and V-groove density is high.
Further include laser dotting method as present invention further optimization mode, uses pulse control mode in leaded light first Board bottom face is used, and round or rectangular diffusion point is then stamped with laser control system, when light is mapped to diffusion point, reflected light meeting It is spread toward all angles, then destroys conditioned reflex and projected by light guide plate front, utilize various densitys, diffusion not of uniform size Point can make light guide plate uniformly light-emitting, in order to avoid laser dotting light guide plate it is non-enter plain edge on form dark space, use twist side skill Art, the side technology that twists is exactly the light being reflected through as best one can using very close point, make it is non-enter plain edge dark space improved.
As present invention further optimization mode, the engraving range of the laser control system can be in 1mm × 1mm- Between 350mm × 350mm.
As present invention further optimization mode, the laser control system carries out light guide plate surface using laser beam Engraving, carving depth are set as between 4.8um-1.25mm.
The processing technology cost of the present invention is relatively low, is not necessarily to silk-screen halftone, is not necessarily to ink, is not necessarily to silk-screen technical staff, and grasp Make simple intelligent, any size light guide plate, need to only be directly inputted in laser control system size can disposal molding, adopt With the contactless production technology of laser, concave point or concave are formed on optical material, will not destroy the side of transmitted light on optical material To so that the product brightness machined is high, bright, and luminance errors is small on the whole, good evenness, change linear light source is face light Source, illuminance is more uniformly distributed, is softer, vision is more comfortable, is worthy to be popularized.
Description of the drawings
Fig. 1 is laser control system principle framework structural schematic diagram of the present invention.
Specific implementation mode
Below in conjunction in the embodiment of the present invention, technical solution in the embodiment of the present invention is clearly and completely retouched It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution:A kind of laser of light guide plate directly carves processing technology, including laser control system, The laser control system includes laser output module, parameter input module, array of structures control module, central control process mould Block and memory module, the laser output module, parameter input module, array of structures control module, central control process module Equal information communication, the laser control system are set as can be achieved to carry out position and can be to laser in longitudinal and transverse direction to laser beam Beam is focused and arranges.
The integral processing method of light guide plate includes the following steps,
Light guide plate is fixed on workbench by A;
B, focusing adjust laser output module and are fixed at a distance from light guide plate, and by laser output module;It is defeated using parameter Enter module input between the information and laser output unit and workbench for the light guide plate that carry out laser engraving Range information, and input image information is to array of structures control module;Central control process module is defeated according to the parameter The information for entering module and array of structures control module input matches corresponding parameter in the memory unit, and according to described After parameter calculates the data of laser output unit output laser and the operation data of workbench, laser engraving order is executed;
C, laser output module receive the laser controlling order of central control process module output, and according to the control received The optical component that system order adjusts laser output module makes it export the laser of required performance;
D, by adjust laser output module project laser irradiation on light guide plate, while by the inclination of workbench, Rotation, movement make to generate corresponding pattern on light guide plate.
The wavelength of the laser of the laser control system output is 12.4 μm -32.6 μm, power 80W-420W, and frequency is 180MHz, the distance between laser output unit and workbench are 0cm-45cm.
Further include laser scribing collimation method, specifically, it is necessary first to multiple reflective spreading grooves are formed, in order to make entire field shine Uniformly, more from light source more dipped beam line, V-groove density is small, has been sent out from the more long-range some light of light source, light is few, and V-groove is close Degree is high.
Further include laser dotting method, uses pulse control mode to be used in bottom surface of light guide plate first, then use laser control system Round or rectangular diffusion point is stamped, when light is mapped to diffusion point, reflected light can be spread toward all angles, then destroy reflection Condition is projected by light guide plate front, using various densitys, diffusion not of uniform size point, can make light guide plate uniformly light-emitting, in order to keep away Exempt from laser dotting light guide plate it is non-enter plain edge on form dark space, use twist side technology, strands side technology be exactly utilization very The light that close point is reflected through as best one can, make it is non-enter plain edge dark space improved.
The engraving range of the laser control system can be between 1mm × 1mm-350mm × 350mm.
The laser control system carves light guide plate surface using laser beam, and carving depth is set as 4.8um- Between 1.25mm.
To sum up, processing technology cost of the invention is relatively low, is not necessarily to silk-screen halftone, is not necessarily to ink, is not necessarily to silk-screen technical staff, and And operation simple intelligent, any size light guide plate, only need to be directly inputted in laser control system size can disposably at Type is formed concave point or concave on optical material, will not be destroyed transmitted light on optical material using the contactless production technology of laser Direction so that the product brightness machined is high, bright, and luminance errors is small on the whole, good evenness, become linear light source into Area source, illuminance is more uniformly distributed, is softer, vision is more comfortable, is worthy to be popularized.
Finally it should be noted that:The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features. All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's Within protection domain.

Claims (7)

1. a kind of laser of light guide plate directly carves processing technology, including laser control system, it is characterised in that:The laser controlling system System includes laser output module, parameter input module, array of structures control module, center control process module and memory module, The laser output module, parameter input module, array of structures control module, the equal information communication of central control process module, institute State laser control system be set as can be achieved to laser beam longitudinal and transverse direction carry out position and laser beam can be focused with it is whole Reason.
2. a kind of laser of light guide plate according to claim 1 directly carves processing technology, which is characterized in that the entirety of light guide plate Processing method includes the following steps,
Light guide plate is fixed on workbench by A;
B, focusing adjust laser output module and are fixed at a distance from light guide plate, and by laser output module;Mould is inputted using parameter Block carry out input to carry out laser engraving light guide plate information and laser output unit and workbench between away from From information, and input image information is to array of structures control module;Central control process module inputs mould according to the parameter Block and the information of array of structures control module input match corresponding parameter in the memory unit, and according to the parameter After calculating the data of laser output unit output laser and the operation data of workbench, laser engraving order is executed;
C, laser output module receive the laser controlling order of central control process module output, and are ordered according to the control received The optical component for adjusting laser output module is enabled to make the laser of performance needed for its output;
D, by adjust laser output module project laser irradiation on light guide plate, while by the inclination of workbench, rotation, Movement makes to generate corresponding pattern on light guide plate.
3. a kind of laser of light guide plate according to claim 1 directly carves processing technology, which is characterized in that the laser controlling The wavelength of the laser of system output is 12.4 μm -32.6 μm, power 80W-420W, frequency 180MHz, laser output unit The distance between workbench is 0cm-45cm.
4. a kind of laser of light guide plate according to claim 2 directly carves processing technology, which is characterized in that further include laser scribing Collimation method, specifically, it is necessary first to multiple reflective spreading grooves are formed, it is uniform in order to make entire field shine, get over dipped beam line from light source More, V-groove density is small, has been sent out from the more long-range some light of light source, and light is few, and V-groove density is high.
5. a kind of laser of light guide plate according to claim 2 directly carves processing technology, which is characterized in that further include that laser is beaten Point method, uses pulse control mode to be used in bottom surface of light guide plate first, and round or rectangular diffusion is then stamped with laser control system Point, when light is mapped to diffusion point, reflected light can be spread toward all angles, then destroyed conditioned reflex and penetrated by light guide plate front Go out, using various densitys, diffusion not of uniform size point, light guide plate uniformly light-emitting can be made, in order to avoid laser dotting light guide plate exists It is non-enter plain edge on form dark space, use twist side technology, the strands side technology be exactly using very close point reflect as best one can lead to The light crossed, make it is non-enter plain edge dark space improved.
6. a kind of laser of light guide plate according to claim 1 directly carves processing technology, which is characterized in that the laser controlling The engraving range of system can be between 1mm × 1mm-350mm × 350mm.
7. a kind of laser of light guide plate according to claim 1 directly carves processing technology, which is characterized in that the laser controlling System carves light guide plate surface using laser beam, and carving depth is set as between 4.8um-1.25mm.
CN201810412115.XA 2018-05-03 2018-05-03 A kind of laser of light guide plate directly carves processing technology Pending CN108581213A (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109195332A (en) * 2018-10-13 2019-01-11 芜湖市传世信息技术有限公司 A kind of electronic product productive power road plate cutter device
CN113199782A (en) * 2021-05-13 2021-08-03 广东东华光电科技有限公司 Method for processing acrylic light guide plate

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101470230A (en) * 2007-12-29 2009-07-01 上海边光实业有限公司 Light conducting plate carved by laser impulse and method for producing the same
WO2012005477A2 (en) * 2010-07-07 2012-01-12 레이져라이팅(주) Apparatus for laser processing a light guide plate
CN102343480A (en) * 2010-08-04 2012-02-08 鸿富锦精密工业(深圳)有限公司 Laser processing device and method for manufacturing light guide plate
CN102649198A (en) * 2012-05-14 2012-08-29 广东大族粤铭激光科技股份有限公司 Laser machining equipment
CN203965766U (en) * 2014-05-28 2014-11-26 东莞光谷茂和激光技术有限公司 A kind of backlight module with high brightness laser site formula light guide plate

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101470230A (en) * 2007-12-29 2009-07-01 上海边光实业有限公司 Light conducting plate carved by laser impulse and method for producing the same
WO2012005477A2 (en) * 2010-07-07 2012-01-12 레이져라이팅(주) Apparatus for laser processing a light guide plate
CN102343480A (en) * 2010-08-04 2012-02-08 鸿富锦精密工业(深圳)有限公司 Laser processing device and method for manufacturing light guide plate
CN102649198A (en) * 2012-05-14 2012-08-29 广东大族粤铭激光科技股份有限公司 Laser machining equipment
CN203965766U (en) * 2014-05-28 2014-11-26 东莞光谷茂和激光技术有限公司 A kind of backlight module with high brightness laser site formula light guide plate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109195332A (en) * 2018-10-13 2019-01-11 芜湖市传世信息技术有限公司 A kind of electronic product productive power road plate cutter device
CN113199782A (en) * 2021-05-13 2021-08-03 广东东华光电科技有限公司 Method for processing acrylic light guide plate

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Application publication date: 20180928