CN102922647A - Light guide plate manufacturing apparatus and method - Google Patents
Light guide plate manufacturing apparatus and method Download PDFInfo
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- CN102922647A CN102922647A CN201110227149XA CN201110227149A CN102922647A CN 102922647 A CN102922647 A CN 102922647A CN 201110227149X A CN201110227149X A CN 201110227149XA CN 201110227149 A CN201110227149 A CN 201110227149A CN 102922647 A CN102922647 A CN 102922647A
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- roller
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- lgp
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Abstract
The invention relates to a light guide plate manufacturing apparatus, which comprises a coating machine, a first roller and a second roller, wherein the coating machine is provided for coating a UV curing adhesive on the first roller or the second roller, the first roller and the second roller are relatively arranged at a predetermined interval, the first roller and the second roller are provided for conjointly carrying out extrusion molding on the UV curing adhesive, at least one of the first roller and the second roller comprises a rotatable transparent housing and a UV light source arranged inside the housing, an irradiation direction of the UV light source is always toward the other roller, and the UV light source is provided for curing the UV curing adhesive being subjected to extrusion molding. The present invention further relates to a manufacturing method for the light guide plate.
Description
Technical field
The present invention relates to a kind of LGP producing device and method, relate in particular to a kind of printing-type LGP producing device and method.
Background technology
LGP be in the display unit common optical module one, be used for spot light or line source are converted to area source, described LGP surface generally is formed with the micro-structural for scattered beam, light guide board microstructure can be formed at the one side surface, also can be formed at relative both side surface, for example a side surface is vee-cut shape structure, the net-point shape structure of opposite side surface for protruding.Existing display unit is mainly with the frivolous target that turns to, so its LGP is also with the frivolous target that turns to.
Existing method for manufacturing light guide plate mainly comprises injection-molded and printing-type.The LGP of ejection formation causes satisfying the demand of more slimming because of the thick restriction of its moulding meat.The method that described printing-type is produced LGP is: a PET(polyester terephthalate is provided) film is as carrier; At described PET film surface coating UV(ultraviolet) curing glue; At least one roller is provided, and described roller surface is formed with micro-structural, is coated with the PET film that described UV solidifies glue so that the extruding of described roller is described, with the microstructure transfer printing of described roller surface to described PET film surface; With the described PET film of UV irradiation, make the UV of described PET film surface solidify adhesive curing.
Yet therefore existing printing-type LGP need of production PET film has limited the further slimming of LGP as carrier; The light transmittance of described PET film own is about 90%, so LGP reduces inevitably about one one-tenth light and see through, and causes its light transmittance not good.In addition, should adhere on the described PET film because the UV after the described curing solidifies glue, can break away from smoothly described roller again, the viscosity allotment of therefore described UV curing glue is different from being difficult for.
Summary of the invention
In view of this, be necessary to provide a kind of LGP producing device and method for manufacturing light guide plate of avoiding using the PET film.
A kind of LGP producing device comprises a coating machine, first roller and second roller.Described coating machine is used for solidifying glue to described the first roller or described the second roller coating UV.Described the first roller and described the second roller are oppositely arranged and the space preset space length, and described the first roller and described the second roller are used for the common described UV of moulding that overstocks and solidify glue.At least one comprises a rotatable transparent outer cover and a UV light source that is arranged in the described shell in described the first roller and described the second roller.The direction of illumination of described UV light source is used for solidifying the described UV that is being extruded moulding and solidifies glue all the time towards another roller.
A kind of method for manufacturing light guide plate, it comprises the steps:
First roller and second roller are provided, described the first roller and described the second roller are oppositely arranged and the interval preset distance, at least one is clear tubular and inside is provided with a UV light source in described the first roller and described the second roller, and the direction of illumination of described UV light source is all the time towards another roller;
Rotate described the first roller and described the second roller;
Solidify glue at described the first roller that rotates or the continuous coating UV of described the second roller surface, applied described UV solidifies glue with described the first roller or the motion of described the second roller, when described UV curing glue moves between described the first roller and described the second roller, coextruded them into type by described the first roller and described the second roller;
When described the first roller and described the second roller mutually pushed described UV and solidify glue, described UV light source solidified glue with the described UV that is being extruded moulding of UV irradiation, makes described UV solidify adhesive curing.
Compare prior art, described LGP producing device and preparation method are utilized described transparent roller, and described UV light source is set in described transparent roller, when the described UV of extruding solidifies gum forming described UV being solidified glue is cured, can avoid using thin-film carrier, be conducive to further reduce the thickness of LGP, in addition, owing to reduced the impact of carrier light transmittance, therefore can improve the light transmittance of LGP.In addition, described LGP producing device can reduce the cost of manufacture of LGP.
Description of drawings
Fig. 1 is the schematic diagram of the LGP producing device of embodiment of the present invention.
Fig. 2 is the second micro-structural preparation method flow chart of the second roller of Fig. 1.
Fig. 3 to Fig. 6 is the second micro-structural preparation method schematic diagram of the second roller of Fig. 2.
Fig. 7 is the flow chart of the method for manufacturing light guide plate of embodiment of the present invention.
The main element symbol description
| The |
100 |
| |
10 |
| The |
20 |
| |
21 |
| The |
30 |
| |
31 |
| The second micro-structural | 311 |
| Articulamentum | L1 |
| Barrier layer | L2 |
| Etch-hole | H |
| The |
32 |
| |
40 |
| |
200 |
The following specific embodiment further specifies the present invention in connection with above-mentioned accompanying drawing.
The specific embodiment
Below in conjunction with accompanying drawing the present invention being done one specifically introduces.
See also Fig. 1, be depicted as the schematic diagram of the LGP producing device 100 of embodiment of the present invention, described LGP producing device 100 comprises 20, one the second rollers 30 of 10, one the first rollers of a coating machine and a reel 40.
Described coating machine 10 inside fill UV and solidify glue 200, are used for that described UV is solidified glue 200 and evenly coat between described the first roller 20 and described the second roller 30.
Described the first roller 20 and described the second roller 30 are oppositely arranged and the interval preset distance, and the distance at interval is equivalent to the design thickness of LGP between described the first roller 20 and described the second roller 30.Described the first roller 20 and described the second roller 30 are used for the described UV of common extruding and solidify glue 200.Described the first roller 20 is Metal Contact Rollers, and in the present embodiment, described the first roller 20 surfaces adopt the galvanoplastic plating to be provided with copper metal layer 21.Described copper metal layer 21 surfaces are formed with the first micro-structural (not shown).In the present embodiment, described the first micro-structural is a plurality of vee-cuts, and described the first micro-structural adopts the engraving mode to make.
Described the second roller 30 comprises a tubulose transparent outer cover 31 and a UV light source 32 that is arranged in the described shell 31.In the present embodiment, described shell 31 is quartz glass.Described shell 31 outer surfaces are formed with the second micro-structural 311(and see also Fig. 6).In the present embodiment, described the second micro-structural 311 is net-point shape.
Described the first micro-structural and described the second micro-structural 311 are respectively applied to form the micro-structural on two apparent surfaces of LGP.
See also Fig. 2, the preparation method of the second micro-structural 311 on the described shell 31 comprises the steps:
S11 please consults Fig. 3 simultaneously, establishes one deck articulamentum L1 in described shell 31 outer surfaces plating, and in the present embodiment, described articulamentum L1 is chromium (Cr), and the thickness of described articulamentum L1 is about 50 nanometers;
S12, please consult simultaneously Fig. 4, one deck barrier layer L2 is established in plating outside described articulamentum L1, in the present embodiment, described barrier layer L2 is gold (Au), the thickness of described barrier layer L2 is about 100 nanometers, and described articulamentum L1 plays the effect that connects described shell 31 and described barrier layer L2, to strengthen the tack of described barrier layer L2;
S13, please consult simultaneously Fig. 5, form a plurality of etch-hole H that penetrate described articulamentum L1 and described barrier layer L2 at described shell with described articulamentum L1 and described barrier layer L2, so that described shell 31 outer surfaces expose the part of corresponding described etch-hole H, the design pattern of corresponding described the second micro-structural 311 of the arrangement mode of described etch-hole H, in the present embodiment, adopt PRK to form described etch-hole H;
S14, filling glass etching solution in described etch-hole H, to etch the micro-structural (the second micro-structural 311) of corresponding described etch-hole H at described shell 31 outer surfaces, the degree of depth of described micro-structural can be controlled by the etching period of controlling described glass etching liquid, in etching process, described barrier layer L2 can prevent the other parts of the described shell 31 of described glass etching liquid etching, and in the present embodiment, described glass etching liquid is hydrofluoric acid (HF);
S15 please consults Fig. 6 simultaneously, removes described barrier layer L2 and described articulamentum L1, namely obtains the second micro-structural 311 of shell 31 and described shell 31 outer surfaces of described the second roller 30.Described barrier layer L2 and described articulamentum L1 can adopt the Wet-type etching mode to remove with metal etch liquid, and in the present embodiment, described metal etch liquid is chloroazotic acid.
In the present embodiment, described articulamentum L1 and described barrier layer L2 adopt the plating of electron beam (e-beam) evaporation coating method to establish.
Certainly, the position of described the first roller 20 and described the second roller 30 can exchange, and described the first roller 20 also can be as described the second roller 30 adopt transparent outer covers, and a UV light source is set in the enclosure.
Described UV light source 32 is used for solidifying described UV and solidifies glue 200, and described UV light source 32 is installed on the fixed axis, so that the direction of illumination of described UV light source is all the time towards a certain fixed-direction, namely described UV light source 32 is not with the rotation campaign of described shell 31.In the present embodiment, the direction of illumination of described UV light source 32 is towards described the first roller 20.
Described reel 40 is used for the LGP (namely the UV after curing, the moulding solidifies glue 200) after coiling is made moulding.
Described the first roller 20, described the second roller 30 and described reel 40 all can be driven by the motor (not shown), its rotating speed is coordinated mutually, so that the unlikely tension of LGP after the described making moulding or excessively pine be advisable, the coating speed of described coating machine 10 is coordinated mutually with the rotating speed of described the first roller 20, described the second roller 30 and described reel 40, and uniform UV solidifies glue 200 with coating thickness.
When utilizing described LGP producing device 100 to make LGP, at first start described LGP producing device 100, wherein, described the first roller 20 up times direction of shaking is rotated, described the second roller 30 counterclockwise rotates, and described reel 40 counterclockwise rotates; Utilize described coating machine 10 to solidify glue 200 at described the first roller 20 or the second roller 30 coating one deck UV, in the present embodiment, described coating machine 10 solidifies glue 200 with described UV coats described the second roller 30 surfaces; Crack between the described UV curing of described the second roller 30 drives glue 200 moves between described the first roller 20 and described the second roller 30, and by described the first roller 20 and the 30 mutual extrusion modlings of described the second roller, first micro-structural on described the first roller 20 surfaces and the second micro-structural 311 of described the second roller 30 are transferred to respectively the relative both side surface that described UV solidifies glue 200, in extrusion process, described UV light source 32 solidifies glue 200 irradiation UV light to described UV, solidifies so that the UV after the described extrusion modling solidifies glue 200; UV after described extrusion modling and the curing solidifies glue 200 and is wound on the described reel 40, finishes the making of LGP.
In addition, when making LGP, the viscosity of described UV curing glue 200 is wanted so that it can break away from described the first roller 20 and described the second roller 30 smoothly after curing, owing to need not use carrier, therefore, the viscosity allotment that described UV solidifies glue 200 is more easy.
See also Fig. 7, be the flow chart of method for manufacturing light guide plate of the present invention, it comprises the steps:
S21, first roller and second roller are provided, described the first roller and described the second roller are oppositely arranged and the interval preset distance, at least one is clear tubular and inside is provided with a UV light source in described the first roller and described the second roller, and the direction of illumination of described UV light source is towards another roller;
S22 rotates described the first roller and described the second roller, the direction of rotation of wherein said the first roller and described the second roller, and in the present embodiment, described the first roller up time direction of shaking is rotated, and described the second roller counterclockwise rotates;
S23, solidify glue at described the first roller that rotates or the continuous coating UV of described the second roller surface, applied described UV solidifies glue with described the first roller or the motion of described the second roller, when described UV curing glue moves between described the first roller and described the second roller, coextruded them into type by described the first roller and described the second roller;
S24, when described the first roller and described the second roller mutually pushed described UV and solidify glue, described UV light source solidified glue with the described UV that is being extruded moulding of UV irradiation, makes described UV solidify adhesive curing;
S25 provides a reel, solidifies glue in order to the UV after the described curing of reeling.
Described the first roller and/or described the second roller outer surface are provided with micro-structural, and described micro-structural is transferred to described UV and solidifies the glue surface when described UV solidifies the glue extrusion modling.
Described LGP producing device and preparation method are utilized described transparent roller, and described UV light source is set in described transparent roller, when the described UV of extruding solidifies gum forming described UV being solidified glue is cured, can avoid using thin-film carrier, be conducive to further reduce the thickness of LGP, in addition, owing to reduced the impact of carrier light transmittance, therefore can improve the light transmittance of LGP.In addition, described LGP producing device can reduce the cost of manufacture of LGP.
In addition, those skilled in the art also can do other variation in spirit of the present invention, certainly, the variation that these are done according to spirit of the present invention, all should be included in the present invention's scope required for protection in.
Claims (9)
1. LGP producing device, comprise a coating machine, first roller and second roller, described coating machine is used for solidifying glue to described the first roller or described the second roller coating UV, described the first roller and described the second roller are oppositely arranged and the space preset space length, described the first roller and described the second roller are used for the described UV of the type that coextrudes them into and solidify glue, it is characterized in that: at least one comprises a rotatable transparent outer cover and a UV light source that is arranged in the described shell in described the first roller and described the second roller, the direction of illumination of described UV light source is used for solidifying the described UV that is being extruded moulding and solidifies glue all the time towards another roller.
2. LGP producing device as claimed in claim 1, it is characterized in that: described the first roller is Metal Contact Rollers, described the second roller comprises described rotatable transparent outer cover and the described UV light source that is arranged in the described shell.
3. LGP producing device as claimed in claim 2, it is characterized in that: described the first roller surface adopts plating to be provided with copper metal layer, described copper metal layer surface is formed with the first micro-structural, and described the first micro-structural is used for solidifying the glue surface at described UV and forms corresponding micro-structural.
4. LGP producing device as claimed in claim 1, it is characterized in that: described outer surface of outer cover is formed with the second micro-structural, solidifies the glue surface at described UV when described the second micro-structural is used for extruding and forms corresponding micro-structural.
5. LGP producing device as claimed in claim 4, it is characterized in that: described the second micro-structural is net-point shape.
6. LGP producing device as claimed in claim 1 also comprises a reel, is used for the UV curing glue after coiling is made described curing molding.
7. method for manufacturing light guide plate, it comprises the steps:
First roller and second roller are provided, described the first roller and described the second roller are oppositely arranged and the interval preset distance, at least one is clear tubular and inside is provided with a UV light source in described the first roller and described the second roller, and the direction of illumination of described UV light source is all the time towards another roller;
Rotate described the first roller and described the second roller;
Solidify glue at described the first roller that rotates or the continuous coating UV of described the second roller surface, applied described UV solidifies glue with described the first roller or the motion of described the second roller, when described UV curing glue moves between described the first roller and described the second roller, coextruded them into type by described the first roller and described the second roller;
When described the first roller and described the second roller mutually pushed described UV and solidify glue, described UV light source solidified glue with the described UV that is being extruded moulding of UV irradiation, makes described UV solidify adhesive curing.
8. method for manufacturing light guide plate as claimed in claim 7 also comprises the steps: to provide a reel, and the UV of described reel after in order to the described curing of reeling solidifies glue.
9. method for manufacturing light guide plate as claimed in claim 7, it is characterized in that: described the first roller and/or described the second roller outer surface are provided with micro-structural, and described micro-structural is solidified at described UV and is transferred to described UV when glue is extruded moulding and solidifies the glue surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110227149XA CN102922647A (en) | 2011-08-09 | 2011-08-09 | Light guide plate manufacturing apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110227149XA CN102922647A (en) | 2011-08-09 | 2011-08-09 | Light guide plate manufacturing apparatus and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102922647A true CN102922647A (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110227149XA Pending CN102922647A (en) | 2011-08-09 | 2011-08-09 | Light guide plate manufacturing apparatus and method |
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| CN (1) | CN102922647A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2985327A1 (en) * | 2014-08-14 | 2016-02-17 | Biolink Gesellschaft für Verbindungstechnologien mbH | Method and device for manufacturing an adhesive layer |
| CN109143451A (en) * | 2018-08-31 | 2019-01-04 | 合肥泰沃达智能装备有限公司 | A kind of glass light guide plate production method |
| CN111886117A (en) * | 2018-03-28 | 2020-11-03 | 巴斯夫涂料有限公司 | Method for transferring an embossed structure to a surface of a coating and composite comprising said coating |
| CN113568272A (en) * | 2020-04-28 | 2021-10-29 | 光群雷射科技股份有限公司 | Manufacturing method of transfer printing type roller and transfer printing type roller |
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| JPH08132589A (en) * | 1994-11-02 | 1996-05-28 | Victor Co Of Japan Ltd | Transfer printer |
| EP1477830A1 (en) * | 2003-05-16 | 2004-11-17 | Eastman Kodak Company | Optical imaging device comprising stacked planar light guide ribbons and method for manufacturing the same |
| US20100141720A1 (en) * | 2008-12-09 | 2010-06-10 | Palo Alto Research Center Incorporated | Spreading and leveling of curable gel ink |
| CN101769673A (en) * | 2008-12-29 | 2010-07-07 | 李启山 | Principle of optical curing of UV paint for compounding of rolled paper |
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2011
- 2011-08-09 CN CN201110227149XA patent/CN102922647A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08132589A (en) * | 1994-11-02 | 1996-05-28 | Victor Co Of Japan Ltd | Transfer printer |
| EP1477830A1 (en) * | 2003-05-16 | 2004-11-17 | Eastman Kodak Company | Optical imaging device comprising stacked planar light guide ribbons and method for manufacturing the same |
| US20100141720A1 (en) * | 2008-12-09 | 2010-06-10 | Palo Alto Research Center Incorporated | Spreading and leveling of curable gel ink |
| CN101769673A (en) * | 2008-12-29 | 2010-07-07 | 李启山 | Principle of optical curing of UV paint for compounding of rolled paper |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2985327A1 (en) * | 2014-08-14 | 2016-02-17 | Biolink Gesellschaft für Verbindungstechnologien mbH | Method and device for manufacturing an adhesive layer |
| CN111886117A (en) * | 2018-03-28 | 2020-11-03 | 巴斯夫涂料有限公司 | Method for transferring an embossed structure to a surface of a coating and composite comprising said coating |
| CN109143451A (en) * | 2018-08-31 | 2019-01-04 | 合肥泰沃达智能装备有限公司 | A kind of glass light guide plate production method |
| CN109143451B (en) * | 2018-08-31 | 2020-01-21 | 合肥泰沃达智能装备有限公司 | Method for manufacturing glass light guide plate |
| CN113568272A (en) * | 2020-04-28 | 2021-10-29 | 光群雷射科技股份有限公司 | Manufacturing method of transfer printing type roller and transfer printing type roller |
| CN113568272B (en) * | 2020-04-28 | 2024-02-13 | 光群雷射科技股份有限公司 | Method for manufacturing transfer roller and transfer roller |
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Application publication date: 20130213 |