CN102520473A - Light guide plate manufacture method and device - Google Patents
Light guide plate manufacture method and device Download PDFInfo
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- CN102520473A CN102520473A CN2011103531386A CN201110353138A CN102520473A CN 102520473 A CN102520473 A CN 102520473A CN 2011103531386 A CN2011103531386 A CN 2011103531386A CN 201110353138 A CN201110353138 A CN 201110353138A CN 102520473 A CN102520473 A CN 102520473A
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Abstract
The invention discloses a light guide plate manufacture method, which comprises the following steps that: S1, an optical distribution map of a light guide plate is manufactured by using optical analysis software; S2, the optical distribution map is subjected to gray level grading from shallow to deep and is directly divided into a plurality of different gray levels; S3, different laser energy is emitted according to different gray levels; and S4, light guide points with different depths are generated on the light guide plate by labeling equipment according to different laser energy. The invention also discloses a light guide plate manufacture device. When the light guide plate manufacture method and the light guide plate manufacture device provided by the invention are implemented, laser net points are realized by a pure physical method, the environment is protected, no chemical pollution is caused, durability is realized, the production efficiency is greatly improved, the energy is saved, and the light ray material internal loss is reduced.
Description
Technical field
The present invention relates to acryl sheet material, be specifically related to a kind of method for manufacturing light guide plate and device.
Background technology
As everyone knows, LGP is the acryl sheet material that utilizes optical grade, on acryl sheet material bottom surface, makes the leaded light point.The light that utilizes optical grade acryl sheet material to draw to send from lamp is in the stop on optical grade acryl sheet material surface, and when light was mapped to each leaded light point, reflected light can destroy conditioned reflex by the positive ejaculation of LGP then toward all angles diffusion.Through various leaded light point, LGP uniformly light-emitting.
LGP is rapid in the development of led application industry, and at present, the printing net-point LGP is the main flow in market, and laser scribing is also arranged, the LGP of cutter engraving wire casing.
For the LGP of serigraphy site, its technology is: use printing ink, print variform point in the one side of acrylic material; When light is injected from the side; Light runs into the printing ink point, and refraction and scattering take place, and is that light comes out from the acrylic surface.
Its deficiency is:
1. owing to use ink printing, need a large amount of chemical materials of usefulness, environmental pollution is big;
2. printing ink site optical stability is poor, can not adapt to the long-lived characteristics of led industry;
3. printing net-point LGP environment for use requires height, and humidity is very huge to the influence of site with ultraviolet ray;
4. production environment requires height, and cost is high, and fraction defective is high;
5. production process is complicated;
6. acrylic sheet material is required height, surface smoothness requires very high.
For laser scribing, the LGP of cutter engraving wire casing is to utilize laser or cutter on acryl sheet material, rules or the groove groove forms the leaded light point with the making LGP, and its deficiency is:
1. speed of production is slow, inefficiency; The incompatibility mass production.
2. the non-constant of optical profile;
3. acrylic sheet material is required height, surface smoothness requires very high.
Summary of the invention
In order to solve above technical matters, the present invention provides a kind of method for manufacturing light guide plate and device.
The present invention discloses a kind of method for manufacturing light guide plate, comprising:
S1. utilize the optical profile figure of optical analysis software development LGP;
S2. described optical profile figure is carried out gray scale classification from the superficial to the deep, directly be divided into a plurality of gray scale stratum;
S3. according to described different gray scale stratum, inject the different laser energy;
S4. according to described different laser energy, utilize mark equipment on LGP, to generate the leaded light point of different depth.
In method for manufacturing light guide plate of the present invention, light source is injected LGP from least one side of LGP.
In method for manufacturing light guide plate of the present invention, described gray scale classification is the darkest away from the gray scale of said light source site, and is minimum near the gray scale of said light source site.
In method for manufacturing light guide plate of the present invention, described mark equipment is high speed vibrating mirror mark machine.
The invention discloses a kind of LGP producing device, be used to realize above-mentioned method, comprising:
Optical profile is made the unit, is used to utilize the optical profile figure of optical analysis software development LGP;
Gray scale stratum divided into unit is made the unit with described optical profile and is linked to each other, and is used for described optical profile figure is carried out gray scale classification from the superficial to the deep, directly is divided into a plurality of gray scale stratum;
Laser energy is injected the unit, links to each other with described gray scale stratum divided into unit, is used for injecting the different laser energy according to described different gray scale stratum;
Leaded light dot generation unit is injected the unit with described laser energy and is linked to each other, and is used for utilizing mark equipment on LGP, to generate the leaded light point of different depth according to described different laser energy.
In LGP producing device of the present invention, light source is injected LGP from least one side of LGP.
In LGP producing device of the present invention, described gray scale classification is the darkest away from the gray scale of said light source site, and is minimum near the gray scale of said light source site.
In LGP producing device of the present invention, described mark equipment is high speed vibrating mirror mark machine.
The method for manufacturing light guide plate of embodiment of the present invention and system have following beneficial technical effects:
1. the method for pure physics realizes the laser site, no chemical contamination, and environmental protection, and durable in use;
2. production efficiency greatly promotes; Be fit to mass industrialized production.
3. not retrained by the straight and even degree in acrylic material surface, selection is extensive;
4. reduce the production environment requirement.Greatly reduce and produce fraction defective;
5. promote the light surface evenness and the light emission rate of LGP, energy-conservation, reduce the loss of light material internal.
Description of drawings
Fig. 1 is a kind of method for manufacturing light guide plate process flow diagram of the embodiment of the invention;
Fig. 2 is a kind of LGP producing device structure of embodiment of the invention block scheme;
Fig. 3 incides the light gray scale synoptic diagram on the LGP for embodiment of the invention light;
Fig. 4 is an embodiment of the invention LGP distribution of light synoptic diagram.
Embodiment
By specifying technology contents of the present invention, structural attitude, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.
See also Fig. 1, a kind of method for manufacturing light guide plate comprises:
S1. utilize the optical profile figure of optical analysis software development LGP;
Optical analysis software can be the optical analysis software that the GTOOLS in Taiwan produces.
S2. described optical profile figure is carried out gray scale classification from the superficial to the deep, directly be divided into a plurality of different gray scale stratum;
Light source is injected LGP from least one side of LGP, can be two flank side surface, also can be three sides or four sides, and is different according to sheet material; Also can be more a plurality of sides, in a word, from light source place farthest; Gray scale is the darkest, and from the nearest place of light source, gray scale is the most shallow.
If light source is injected LGP simultaneously from the two sides of LGP; After process LGP of the present invention reflects light; The light that light source sends can evenly distribute at the LGP face, and described gray scale is classified into symmetry status, and the gray scale at the positive middle part of described gray scale classification is the darkest; The gray scale of both sides is minimum, concrete visible Fig. 3 and Fig. 4.
S3. according to described different gray scale stratum, inject the different laser energy;
To different stratum, in laser equipment, directly control the different laser energy, corresponding stratum from shallow to deep, laser energy is from low to high.
S4. according to described different laser energy, utilize mark equipment on LGP, to generate the leaded light point of different depth.
Different energy just has the etching of different depth on LGP material acrylic, generate the leaded light point of different depth, causes the light on LGP evenly to distribute.
The present invention is actually the grey scale pattern of utilizing optical analysis software; Directly GTG figure is divided into different GTGs, corresponding different laser energy, utilization high speed vibrating mirror mark machine generates the leaded light point of different depth on acrylic material; Produce LGP, light is evenly distributed at the plate face.
See also Fig. 2, a kind of LGP producing device, be used for above-mentioned method, comprising: optical profile making unit 10, gray scale stratum divided into unit 20, laser energy are injected unit 30, leaded light dot generation unit 40.Optical profile is made sea, unit 10, is used to utilize the optical profile figure of optical analysis software development LGP;
Gray scale stratum divided into unit 20 is made unit 10 with optical profile and is linked to each other, and is used for described optical profile figure is carried out gray scale classification from the superficial to the deep, directly is divided into a plurality of different gray scale stratum; Laser energy is injected unit 30, links to each other with gray scale stratum divided into unit 20, is used for injecting the different laser energy according to described different gray scale stratum; Leaded light dot generation unit 40 is injected unit 30 with laser energy and is linked to each other, and is used for according to described different laser energy, utilizes mark equipment on LGP, to generate the leaded light point of different depth.
Wherein, light source is injected LGP from least one side of LGP, from light source place farthest; Gray scale is the darkest, and from the nearest place of light source, gray scale is the most shallow; If light source is injected LGP from the two sides of LGP, described gray scale is classified into symmetry status, and the gray scale at the positive middle part of described gray scale classification is the darkest; The gray scale of both sides is minimum, and described mark equipment is high speed vibrating mirror mark machine.
The method for manufacturing light guide plate of embodiment of the present invention and device have following beneficial technical effects:
1. the method for pure physics realizes the laser site, no chemical contamination, and environmental protection, and durable in use;
2. production efficiency greatly promotes;
3. not retrained by the straight and even degree in acrylic material surface, selection is extensive;
4. reduce the production environment requirement.Reduce and produce fraction defective;
5. promote the light surface evenness and the light emission rate of LGP, energy-conservation, reduce the loss of light material internal.
Combine accompanying drawing that embodiments of the invention are described above; But the present invention is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under enlightenment of the present invention; Not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (8)
1. a method for manufacturing light guide plate is characterized in that, comprising:
S1. utilize the optical profile figure of optical analysis software development LGP;
S2. described optical profile figure is carried out gray scale classification from the superficial to the deep, directly be divided into a plurality of different gray scale stratum;
S3. according to described different gray scale stratum, inject the different laser energy;
S4. according to described different laser energy, utilize mark equipment on LGP, to generate the leaded light point of different depth.
2. method for manufacturing light guide plate according to claim 1 is characterized in that, light source is injected LGP from least one side of LGP.
3. method for manufacturing light guide plate according to claim 2 is characterized in that, described gray scale classification is the darkest away from the gray scale of said light source site, and is minimum near the gray scale of said light source site.
4. method for manufacturing light guide plate according to claim 1 is characterized in that, described mark equipment is high speed vibrating mirror mark machine.
5. a LGP producing device is used to realize the described method of claim 1, it is characterized in that, comprising:
Optical profile is made the unit, is used to utilize the optical profile figure of optical analysis software development LGP;
Gray scale stratum divided into unit is made the unit with described optical profile and is linked to each other, and is used for described optical profile figure is carried out gray scale classification from the superficial to the deep, directly is divided into a plurality of different gray scale stratum;
Laser energy is injected the unit, links to each other with described gray scale stratum divided into unit, is used for injecting the different laser energy according to described different gray scale stratum;
Leaded light dot generation unit is injected the unit with described laser energy and is linked to each other, and is used for according to described different laser energy, utilizes mark equipment on LGP, to generate the leaded light point of different depth.
6. LGP producing device according to claim 5 is characterized in that, light source is injected LGP from least one side of LGP.
7. LGP producing device according to claim 6 is characterized in that, described gray scale classification is the darkest away from the gray scale of said light source site, and is minimum near the gray scale of said light source site.
8. LGP producing device according to claim 5 is characterized in that, described mark equipment is high speed vibrating mirror mark machine.
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| CN201110353138.6A CN102520473B (en) | 2011-11-08 | 2011-11-08 | Light guide plate manufacture method and device |
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| CN201110353138.6A CN102520473B (en) | 2011-11-08 | 2011-11-08 | Light guide plate manufacture method and device |
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| CN102520473B CN102520473B (en) | 2015-06-03 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818131A (en) * | 2014-02-11 | 2014-05-28 | 青岛歌尔声学科技有限公司 | Method for printing ink dots on reflector plate |
| CN104007507A (en) * | 2014-06-17 | 2014-08-27 | 中航华东光电有限公司 | Light guide plate used for LED backlight module and machining method of light guide plate |
| WO2015074222A1 (en) * | 2013-11-21 | 2015-05-28 | 吕武全 | Laser marking method |
| CN107884870A (en) * | 2017-12-27 | 2018-04-06 | 翰博高新材料(合肥)股份有限公司 | A kind of light conducting plate structure for solving the problems, such as lamp shadow and preparation method thereof |
| CN108422092A (en) * | 2018-03-14 | 2018-08-21 | 上海边光实业有限公司 | A kind of production method of laser scribing light guide plate |
| CN108555444A (en) * | 2017-12-26 | 2018-09-21 | 模德模具(东莞)有限公司 | The method that die surface luminosity is adjusted based on laser-engraving technique |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101034183A (en) * | 2007-03-30 | 2007-09-12 | 苏州苏大维格数码光学有限公司 | Manufacturing method of light guiding board/ light guiding film mould core |
| CN101364004A (en) * | 2007-08-07 | 2009-02-11 | 碧森科技股份有限公司 | Light guide plate of backlight unit with patterns |
-
2011
- 2011-11-08 CN CN201110353138.6A patent/CN102520473B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101034183A (en) * | 2007-03-30 | 2007-09-12 | 苏州苏大维格数码光学有限公司 | Manufacturing method of light guiding board/ light guiding film mould core |
| CN101364004A (en) * | 2007-08-07 | 2009-02-11 | 碧森科技股份有限公司 | Light guide plate of backlight unit with patterns |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015074222A1 (en) * | 2013-11-21 | 2015-05-28 | 吕武全 | Laser marking method |
| CN103818131A (en) * | 2014-02-11 | 2014-05-28 | 青岛歌尔声学科技有限公司 | Method for printing ink dots on reflector plate |
| CN103818131B (en) * | 2014-02-11 | 2016-08-17 | 青岛歌尔声学科技有限公司 | A kind of method of printing-ink site on reflector plate |
| CN104007507A (en) * | 2014-06-17 | 2014-08-27 | 中航华东光电有限公司 | Light guide plate used for LED backlight module and machining method of light guide plate |
| CN108555444A (en) * | 2017-12-26 | 2018-09-21 | 模德模具(东莞)有限公司 | The method that die surface luminosity is adjusted based on laser-engraving technique |
| CN107884870A (en) * | 2017-12-27 | 2018-04-06 | 翰博高新材料(合肥)股份有限公司 | A kind of light conducting plate structure for solving the problems, such as lamp shadow and preparation method thereof |
| CN108422092A (en) * | 2018-03-14 | 2018-08-21 | 上海边光实业有限公司 | A kind of production method of laser scribing light guide plate |
| CN108422092B (en) * | 2018-03-14 | 2021-08-27 | 上海边光实业有限公司 | Method for manufacturing laser scribing light guide plate |
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| CN102520473B (en) | 2015-06-03 |
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Owner name: FAN MINGHAO Free format text: FORMER OWNER: GUANGZHOU HAOLASER TECHNOLOGY CO., LTD. Effective date: 20150619 |
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Effective date of registration: 20150619 Address after: No. five road 518000 Guangdong city of Shenzhen province Nanshan District fifth Pine Hill Industrial Zone No. 8 Patentee after: Fan Minghao Address before: 510370 Guangdong Province, Guangzhou city Liwan District tea tea Kau Kau Road Industrial Park, No. 1 by a district 102 Patentee before: Guangzhou HaoLaser Technology Co., Ltd. |
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Effective date of registration: 20160602 Address after: 510000 Guangdong Province, Liwan District city of Guangzhou tea tea Kau Kau Road Industrial Park District No. 2, No. 19 by 1 Patentee after: Guangzhou Jinming Laser Technology Co., Ltd. Address before: No. five road 518000 Guangdong city of Shenzhen province Nanshan District fifth Pine Hill Industrial Zone No. 8 Patentee before: Fan Minghao |
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Address after: 510000 Guangdong Province, Liwan District city of Guangzhou tea tea Kau Kau Road Industrial Park District No. 2, No. 19 by 1 Patentee after: Guangzhou Jinming Laser Technology Co., Ltd. Address before: 510000 Guangdong Province, Liwan District city of Guangzhou tea tea Kau Kau Road Industrial Park District No. 2, No. 19 by 1 Patentee before: Guangzhou Jinming Laser Technology Co., Ltd. |
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