CN101439582A - Method for manufacturing light conducting plate - Google Patents
Method for manufacturing light conducting plate Download PDFInfo
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- CN101439582A CN101439582A CNA2007101886378A CN200710188637A CN101439582A CN 101439582 A CN101439582 A CN 101439582A CN A2007101886378 A CNA2007101886378 A CN A2007101886378A CN 200710188637 A CN200710188637 A CN 200710188637A CN 101439582 A CN101439582 A CN 101439582A
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Abstract
The invention relates to a manufacturing method for a light guide plate, comprising the following steps: prior to the manufacturing, a light shield is manufactured by emulating a microstructure needed by an optical element; by combining the light shield and an etching way, a microstructural intaglio mother plate is manufactured; then by electroforming, the intaglio mother plate is manufactured to have a metal membrane which can match the intaglio mother plate so that a plurality of salient points are formed on the peripheral surface of the intaglio mother plate, thereby the metal membrane can be enwrapped outside a roller train to finish the technique of heat rolling plastic material membrane. By cutting according to the needed size, the light guide plate filled with micropore grooves on the surface can be manufactured.
Description
Technical field
The invention relates to a kind of " manufacturing method of light conducting board ", especially refer to a kind of on the plastic material film hot roll extrusion the micropore groove is arranged, the manufacture method that output in the unit interval can significantly be promoted.
Background technology
Because LCD is not the display unit of self-luminosity, therefore need utilize an external light source to reach the effect of demonstration, as backlight module (Backlight Module) is exactly the technology of institute's extensive use among the LCD, and LGP is important assembly in the backlight module, it mainly is to be used for guiding the transmission direction of sending light beam, penetrates to convert line source or spot light to area source again.
And the making mode of production of present known slimming LGP, mainly be after utilizing Jet forming machine earlier plastic molting to be become approximate liquid state, in-mold molding reinjects, make LGP can be made into required shape, and can be covered with the micro-structural (micropore groove) that majority is arranged on the surface, reach the purpose of diffusion light to utilize these micro-structurals; But finish this process, need to make earlier a mould (Mold), carry out simultaneously after the required micro-structural of simulate optical assembly (Pattern) is manufactured in die (Core or Stamper) and goes up, be bumped into (insert) mould (Mold) assembling again, and mould is installed (Set Mold) penetrating on the board, also need earlier plastics be dehumidified before the installation, oven dry, softening processing such as (processes 6～8 hours), just can send into the production storage vat that penetrates board, and then beginning is with high temperature melting plastic grain, inject in the mould with high pressure again, treat its typing, open mould and take out plastic, and after pruning its sprue, just can finish product, so technology is suitable loaded down with trivial details, tediously long, and can't be lifted at output in the unit interval, make the production cost can be higher relatively, moreover, if in the time of will penetrating the LGP of big specification, can be because the plastics of fusing be difficult to by average filling with in die cavity, and will increase the difficulty of making, and when the plastics that melt by ejection formation and when cooling off, will have the up Texturized significantly misgivings of thin light guide panel.
Known LGP is to make in the mode that penetrates, so not only technology is loaded down with trivial details, tediously long, can't be lifted at the output in the unit interval, more because plastics are difficult to by average filling with in die cavity, and will increase the difficulty of making big specification LGP, this is the technical problem point that desire solves.
Summary of the invention
The object of the present invention is to provide a kind of manufacturing method of light conducting board, to overcome the defective that exists in the background technology.
For achieving the above object, manufacturing method of light conducting board provided by the invention, the required micro-structural of first simulate optical assembly was made light shield before its technology was carried out, light shield also cooperates etched mode, and produce the intaglio plate master mold of micro-structural, utilize electroforming to make a metallic film intaglio plate master mold again, make metallic film can cooperate the intaglio plate master mold, and on its outer peripheral face, be formed with most dimpling points, so, just metallic film can be coated on outside the roller set, to finish the technology of hot roll extrusion plastic material film, and then produce the LGP that the surface is covered with the micropore groove, wherein:
Metallic film is coated on outside the roller of roller set, and after adjusting two roller gaps and temperature, insert the plastic material film again, allow the plastic material film can utilize the thermal source that is produced in the roller, soften its surface, and when this plastic material film passes through between second wheel, can utilize the dimpling point on the metallic film and take advantage of a situation and on the plastic material film surface, roll out the micropore groove, after treating that it passes through fully, then again can be because of the only surface heating of plastic material film, and can make its rapid hardening by cooling, prevent the phenomenon of thermal deformation according to this, reach because of the plastic material film surface by roll extrusion, being covered with has most micropore grooves, when the plastic material film is applied on the backlight module, when becoming LGP, just can utilize these micropore grooves to reach the purpose of diffusion light.
Described manufacturing method of light conducting board, wherein, metallic film is coated on outside first roller of roller set.
Described manufacturing method of light conducting board, wherein, metallic film is coated on outside first and second roller of roller set.
Described manufacturing method of light conducting board wherein, after the plastic material film is gone out by hot roll forming, is utilized and is cut out required size under (dashing) clip.
Described manufacturing method of light conducting board, wherein, the roller of roller set and metallic film can be done the direct ratio convergent-divergent along with the plastic material film, and in view of the above, just the roll forming of energy direct heat goes out the LGP of appropriate size.
Described manufacturing method of light conducting board, wherein, the design the when density of micropore groove and the order of arrangement can be along with light shield and etchings is different, and is relative variation.
The effect that the present invention and known technology are compared and had:
(1) manufacturing method of light conducting board of the present invention, the mode that it utilizes hot roll extrusion produces LGP, has simple and easy, the advantage rapidly of technology, so can significantly be lifted at the output in the unit interval, production cost is reduced relatively.
(2) manufacturing method of light conducting board of the present invention, it utilizes the mode of hot roll extrusion, will more not be subjected to the restriction of LGP specification, and can reduce many unnecessary puzzlements.
(3) manufacturing method of light conducting board of the present invention and since the plastic material film only the surface be heated, softening, after Gu Dangqi rolled out, hardening by cooling rapidly can prevent the phenomenon of thermal deformation relatively.
Description of drawings
Fig. 1: be the action schematic diagram that the present invention's hot roll extrusion on plastic material film one side surface has the micropore groove.
Fig. 2: the partial enlarged drawing that is the present invention first figure.
Fig. 3: be finished figure of the present invention.
Fig. 4: be the action schematic diagram that the present invention's soaking roll extrusion on plastic material film two side surfaces has the micropore groove.
Fig. 5: the local enlarged diagram that is the present invention the 4th figure.
Primary clustering symbol description in the accompanying drawing:
Metallic film---(10)
Dimpling point------(11)
Roller set------(20)
First roller---(21)
Second roller---(22)
Plastic material film-(30)
Micropore groove------(31)
The specific embodiment
Manufacturing method of light conducting board of the present invention, the required micro-structural of first simulate optical assembly was made light shield before its technology was carried out, light shield also cooperates etched mode, and produce the intaglio plate master mold of micro-structural, utilize electroforming to make a metallic film intaglio plate master mold again, make metallic film can cooperate the intaglio plate master mold, and on its outer peripheral face, be formed with most dimpling points, so, just metallic film can be coated on outside the roller set, to finish the technology of hot roll extrusion plastic material film, utilize again and cut out required size under (dashing) clip, just can produce the LGP that the surface is covered with the micropore groove, wherein, metallic film is coated on outside the roller of roller set, and after adjusting two roller gaps and temperature, insert the plastic material film again, allow the plastic material film can utilize the thermal source that is produced in the roller, soften its surface, and when this plastic material film passes through between second wheel, can utilize the dimpling point on the metallic film and take advantage of a situation and on the plastic material film surface, roll out the micropore groove, after treating that it passes through fully, then again can be because of the only surface heating of plastic material film, and can make its rapid hardening by cooling, prevent the phenomenon of thermal deformation according to this, reach because of the plastic material film surface by roll extrusion, being covered with has most micropore grooves, so work as required size under (dashing) clip is cut out in the utilization of plastic material film, and is applied on the backlight module, when becoming LGP, just can utilize these micropore grooves to reach the purpose of diffusion light; Herewith, can constitute this manufacturing method of light conducting board.
Further understand and understanding for having purpose of the present invention, feature and effect, following conjunction with figs. describes in detail as the back:
Extremely shown in Figure 5 by Fig. 1 of the present invention, the required micro-structural of first simulate optical assembly was made light shield (Photomask) before its technology was carried out, light shield also cooperates etched mode, and produce the intaglio plate master mold of micro-structural, again the intaglio plate master mold is utilized electroforming to make a metallic film (10), make metallic film (10) can cooperate the intaglio plate master mold, and on its outer peripheral face, be formed with most dimpling points (11), so, just metallic film (10) can be coated on outside the roller set (20), to finish the technology of hot roll extrusion plastic material film (Light GuideFilm) (30), utilize again and cut out required size under (dashing) clip, just can produce the LGP that the surface is covered with micropore groove (31).
Wherein, please extremely shown in Figure 3 earlier by Fig. 1, metallic film (10) is coated on outside first roller (21) of roller set (20), and after adjusting two roller gaps and temperature, insert plastic material film (30) again, allow plastic material film (30) can utilize the thermal source that is produced in first roller (21), come softening and first roller (21) facing surfaces, and when this plastic material film (30) passes through between second wheel, can utilize the dimpling point (11) on the metallic film (10) and take advantage of a situation and on plastic material film (30) surface, roll out micropore groove (31), after treating that it passes through fully, then again can be because of only surface heating of plastic material film (30), and can make its rapid hardening by cooling, prevent the phenomenon of thermal deformation according to this, and because plastic material film (30) is surperficial by roll extrusion, be covered with most micropore grooves (31) is arranged, so when plastic material film (30) utilization is cut out required size under (dashing) clip, and be applied on the backlight module, when becoming LGP, just can utilize the micropore groove (31) of a side surface to reach the purpose of diffusion light.
Continuous please arrange in pairs or groups by Fig. 4 shown in Figure 5, its metallic film (10) also can be coated on first and second roller (21) (22) of roller set (20), to utilize the inner thermal source that is produced of first and second roller (21) (22), come two surfaces of softening plastic material film (30) simultaneously, make plastic material film (30) when passing through between first and second roller (21) (22), can be in its all roll extrusion of two surfaces, be covered with most micropore grooves (31) arranged, so when this plastic material film (30) is used on the backlight module, when becoming LGP, just can transparent two sides.
In addition, design when the density of its micropore groove (31) and the order of arrangement can be along with light shield and etchings is different, and be relative variation, and first and second roller (21) (22) can be done the direct ratio convergent-divergent along with plastic material film (30) with metallic film (10), in view of the above, the LGP that just can the direct heat roll forming goes out appropriate size.
Have following advantage by above-mentioned method for manufacturing light guide plate:
(1) it utilizes the mode of hot roll extrusion, produces LGP, has simple and easy, the advantage rapidly of technology, so can significantly be lifted at the output in the unit interval, production cost is reduced relatively;
(2) it utilizes the mode of hot roll extrusion, will more not be subjected to the restriction of LGP specification, and can reduce many unnecessary puzzlements;
(3) since plastic material film (30) only the surface be heated, softening, after Gu Dangqi rolled out, hardening by cooling rapidly can prevent the phenomenon of thermal deformation relatively.
Only the above only is a preferred embodiment of the present invention, when not limiting scope of the invention process with this; Promptly the equalization of being done according to the present patent application claim generally changes and modifies, and all should still belong in the claim covering scope of the present patent application.
Claims (6)
1, a kind of manufacturing method of light conducting board, the required micro-structural of first simulate optical assembly was made light shield before its technology was carried out, light shield also cooperates etched mode, and produce the intaglio plate master mold of micro-structural, utilize electroforming to make a metallic film intaglio plate master mold again, make metallic film can cooperate the intaglio plate master mold, and on its outer peripheral face, be formed with most dimpling points, so, just metallic film can be coated on outside the roller set, finishing the technology of hot roll extrusion plastic material film, and then produce the LGP that the surface is covered with the micropore groove, wherein:
Metallic film is coated on outside the roller of roller set, and after adjusting two roller gaps and temperature, insert the plastic material film again, allow the plastic material film can utilize the thermal source that is produced in the roller, soften its surface, and when this plastic material film passes through between second wheel, can utilize the dimpling point on the metallic film and take advantage of a situation and on the plastic material film surface, roll out the micropore groove, after treating that it passes through fully, then again can be because of the only surface heating of plastic material film, and can make its rapid hardening by cooling, prevent the phenomenon of thermal deformation according to this, reach because of the plastic material film surface by roll extrusion, being covered with has most micropore grooves, when the plastic material film is applied on the backlight module, when becoming LGP, just can utilize these micropore grooves to reach the purpose of diffusion light.
2, manufacturing method of light conducting board according to claim 1, wherein, metallic film is coated on outside first roller of roller set.
3, manufacturing method of light conducting board according to claim 1, wherein, metallic film is coated on outside first and second roller of roller set.
4, manufacturing method of light conducting board according to claim 1 wherein, after the plastic material film is gone out by hot roll forming, is utilized and is cut out required size under (dashing) clip.
5, manufacturing method of light conducting board according to claim 1, wherein, the roller of roller set and metallic film can be done the direct ratio convergent-divergent along with the plastic material film, and in view of the above, just the roll forming of energy direct heat goes out the LGP of appropriate size.
6, manufacturing method of light conducting board according to claim 1, wherein, the design the when density of micropore groove and the order of arrangement can be along with light shield and etchings is different, and is relative variation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101886378A CN101439582A (en) | 2007-11-21 | 2007-11-21 | Method for manufacturing light conducting plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101886378A CN101439582A (en) | 2007-11-21 | 2007-11-21 | Method for manufacturing light conducting plate |
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| CN101439582A true CN101439582A (en) | 2009-05-27 |
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| CNA2007101886378A Pending CN101439582A (en) | 2007-11-21 | 2007-11-21 | Method for manufacturing light conducting plate |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102107564A (en) * | 2009-12-25 | 2011-06-29 | 鸿富锦精密工业（深圳）有限公司 | Impressing component, preparation method thereof and impressing forming method of light guide plate |
| CN102107563A (en) * | 2009-12-25 | 2011-06-29 | 鸿富锦精密工业（深圳）有限公司 | Imprinting component, manufacturing method thereof and method for forming brightness enhancement film |
| CN102294881A (en) * | 2011-07-07 | 2011-12-28 | 殷为国 | Hot-stamping roller of liquid crystal light guide plate overlapping curve |
| CN103753801A (en) * | 2014-01-14 | 2014-04-30 | 苏州茂立光电科技有限公司 | Method for extruding optical plate with optical structure, and die assembly |
| CN103869407A (en) * | 2014-03-07 | 2014-06-18 | 合肥铨励光电科技有限公司 | Cold/hot rolling thin film type highlighting light guide plate and roll-to-roll preparation method thereof |
| CN104228053A (en) * | 2013-11-26 | 2014-12-24 | 翰博高新材料(合肥)有限公司 | Electromagnetic micro transfer printing device used for processing light guide plates |
| CN104494133A (en) * | 2014-12-04 | 2015-04-08 | 翰博高新材料(合肥)股份有限公司 | Processing device for micro structure of end surface of optical display device |
| CN104626530A (en) * | 2015-01-15 | 2015-05-20 | 苏州宙迪光电科技有限公司 | Processing technology of light guide plate |
| CN104842550A (en) * | 2015-04-28 | 2015-08-19 | 合肥京东方显示光源有限公司 | Impression device |
| CN106558643A (en) * | 2015-09-30 | 2017-04-05 | 江苏诚睿达光电有限公司 | A kind of light efficiency gain-type LED package element and its manufacture method |
| CN106992239A (en) * | 2016-01-20 | 2017-07-28 | 江苏诚睿达光电有限公司 | A kind of LED package element and its manufacture method based on the heterogeneous pair of light conversion sheet |
| CN107479127A (en) * | 2017-09-11 | 2017-12-15 | 苏州天禄光科技股份有限公司 | A kind of horn mouth light guide plate and full wafer light guide plate heat-transferring method |
| CN108828709A (en) * | 2018-07-03 | 2018-11-16 | 苏州茂立光电科技有限公司 | Have the light guide plate and its manufacturing method of high outgoing light homogeneity |
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2007
- 2007-11-21 CN CNA2007101886378A patent/CN101439582A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107563A (en) * | 2009-12-25 | 2011-06-29 | 鸿富锦精密工业（深圳）有限公司 | Imprinting component, manufacturing method thereof and method for forming brightness enhancement film |
| CN102107564A (en) * | 2009-12-25 | 2011-06-29 | 鸿富锦精密工业（深圳）有限公司 | Impressing component, preparation method thereof and impressing forming method of light guide plate |
| CN102294881A (en) * | 2011-07-07 | 2011-12-28 | 殷为国 | Hot-stamping roller of liquid crystal light guide plate overlapping curve |
| CN104228053A (en) * | 2013-11-26 | 2014-12-24 | 翰博高新材料(合肥)有限公司 | Electromagnetic micro transfer printing device used for processing light guide plates |
| CN103753801B (en) * | 2014-01-14 | 2016-04-13 | 苏州茂立光电科技有限公司 | There is optical sheet pushout and the die assembly of optical texture |
| CN103753801A (en) * | 2014-01-14 | 2014-04-30 | 苏州茂立光电科技有限公司 | Method for extruding optical plate with optical structure, and die assembly |
| CN103869407A (en) * | 2014-03-07 | 2014-06-18 | 合肥铨励光电科技有限公司 | Cold/hot rolling thin film type highlighting light guide plate and roll-to-roll preparation method thereof |
| CN104494133A (en) * | 2014-12-04 | 2015-04-08 | 翰博高新材料(合肥)股份有限公司 | Processing device for micro structure of end surface of optical display device |
| CN104626530A (en) * | 2015-01-15 | 2015-05-20 | 苏州宙迪光电科技有限公司 | Processing technology of light guide plate |
| CN104842550A (en) * | 2015-04-28 | 2015-08-19 | 合肥京东方显示光源有限公司 | Impression device |
| US10213955B2 (en) | 2015-04-28 | 2019-02-26 | Boe Technology Group Co., Ltd. | Stamping device |
| CN106558643A (en) * | 2015-09-30 | 2017-04-05 | 江苏诚睿达光电有限公司 | A kind of light efficiency gain-type LED package element and its manufacture method |
| CN106558643B (en) * | 2015-09-30 | 2019-11-26 | 江苏诚睿达光电有限公司 | A kind of light efficiency gain-type LED package element and its manufacturing method |
| CN106992239A (en) * | 2016-01-20 | 2017-07-28 | 江苏诚睿达光电有限公司 | A kind of LED package element and its manufacture method based on the heterogeneous pair of light conversion sheet |
| CN106992239B (en) * | 2016-01-20 | 2019-11-26 | 江苏诚睿达光电有限公司 | A kind of LED package element and its manufacturing method based on heterogeneous double light conversion sheets |
| CN107479127A (en) * | 2017-09-11 | 2017-12-15 | 苏州天禄光科技股份有限公司 | A kind of horn mouth light guide plate and full wafer light guide plate heat-transferring method |
| CN108828709A (en) * | 2018-07-03 | 2018-11-16 | 苏州茂立光电科技有限公司 | Have the light guide plate and its manufacturing method of high outgoing light homogeneity |
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Open date: 20090527 |