TW201600894A - Inkjet-printing manufacturing method of light guide plate - Google Patents
Inkjet-printing manufacturing method of light guide plate Download PDFInfo
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Description
本發明係有關於一種導光板之噴印製造方法，尤指一種利用噴墨印表機，對導光板之預定表面噴印樹脂，同時以紫外燈固化，使導光板快速形成複數微光學反射構件，讓導光板之製程變得迅速又具有彈性，藉以提昇生產效率，並且節省材料的使用。 The invention relates to a method for manufacturing a light guide plate, in particular to an ink jet printer, which prints a resin on a predetermined surface of a light guide plate, and simultaneously cures with an ultraviolet lamp, so that the light guide plate rapidly forms a plurality of micro-optical reflection members. The process of making the light guide plate is quick and flexible, thereby improving production efficiency and saving material use.
習知導光板的主要功能是使光源發出的光線變成面光源，請同時參閱圖式一、二圖；第一圖所示，係習知導光板形成面光源之原理的斷面示意圖；第二圖所示，係該習知導光板與光源之立體示意圖。該導光板10具有第一、二兩個表面12、14，於導光板10的第二表面14必須先形成複數大小、形狀各不相同之反射構件16。導光板10本身並不會發光，必須藉助配置於導光板10側邊之光源50，例如LED或冷陰極管等發光體，從光源50射出至導光板內部之光，經由反射構件16散射，穿透導光板10第一表面12，再經由一透射板60將光均佈射出，光線即能看似好像從導光板10之第一表面12的平面整體發光，形成面光源。而要在導光板10上形成複數反射構件16，傳統的方式係使用射出成型或絲網印刷，惟，不管射出成型或絲網印刷，兩者皆會運用到模造技術，因此使得導光板10的生產製程，變得複雜又缺乏彈性。 The main function of the conventional light guide plate is to make the light emitted by the light source into a surface light source. Please refer to the first and second figures at the same time; the first figure shows a schematic cross-sectional view of the principle that the light guide plate forms a surface light source; The figure shows a schematic view of the conventional light guide plate and the light source. The light guide plate 10 has first and second surfaces 12 and 14. The second surface 14 of the light guide plate 10 must first form a plurality of reflective members 16 having different sizes and shapes. The light guide plate 10 itself does not emit light, and the light emitted from the light source 50 to the inside of the light guide plate by the light source 50 disposed on the side of the light guide plate 10, such as an LED or a cold cathode tube, is scattered by the reflection member 16 and worn. Through the first surface 12 of the light guide plate 10, the light is evenly distributed through a transmissive plate 60, and the light can appear as if it is entirely emitted from the plane of the first surface 12 of the light guide plate 10 to form a surface light source. To form the plurality of reflective members 16 on the light guide plate 10, the conventional method uses injection molding or screen printing. However, regardless of injection molding or screen printing, both of them apply to the molding technique, thereby making the light guide plate 10 The production process is complicated and inelastic.
我國專利申請號97101735，揭示一種導光板的製造方法，其 所強調之製造方法，首先必須在基板表面形成凹凸的結構，接著以噴射液滴的方式，在該基板的凹凸結構之表面，設置複數個大小不同的膠體點狀物，最後再利用烘乾的程序，使該些膠體點狀物固著在該基板的凹凸結構的表面，形成複數個點狀微光學結構。該製程之主要缺點為，基板的表面必須預先進行處理，形成粗糙狀；以噴射液滴的方式噴出『膠體』；再進行烘乾程序，使膠體能黏著在粗糙表面上；製造過程總共需要三道程序，不但製造過程複雜，而且費時又費工。我國專利申請號101105031，揭示一種導光板製造方法及裝置，其主要係強調，使用噴墨印表機將複數種含氧化鈦之『白墨水』收納於墨水匣，該噴墨印表機設置複數個記錄頭，將複數種不同之『白墨水』依序由複數個記錄頭吐出，印刷於導光板上。該前案之主要的缺點為，噴墨印表機吐出為『白墨水』，而非『膠體』，黏附於導光板上之白墨水厚度太薄，無凹凸之立體效果，無法形成有效的微光學反射結構，將射入之光源進行散射，因此希望藉由導光板形成面光源之效果不佳。我國專利申請號100145621，揭示一種導光板之製造方法，其主要係強調，利用數個噴嘴吐出『墨滴』，印刷在透明樹脂片上，再以另一製程，使用紫外燈照射將墨滴固化。該前案噴嘴吐出為『墨滴』，而非『膠體』，其缺點與前述相同，無法形成有效的微光學反射結構，利用導光板形成面光源之效果不佳。而且其需有另外的烘乾程序，製造程序亦較為煩複。 Chinese Patent Application No. 97101735 discloses a method of manufacturing a light guide plate, In the manufacturing method emphasized, it is first necessary to form a structure having irregularities on the surface of the substrate, and then, in the manner of ejecting droplets, a plurality of colloidal dots having different sizes are disposed on the surface of the uneven structure of the substrate, and finally dried. The program is such that the colloidal dots are fixed on the surface of the uneven structure of the substrate to form a plurality of dot-like micro-optical structures. The main disadvantage of this process is that the surface of the substrate must be processed in advance to form a rough shape; the "colloid" is sprayed in the form of droplets; the drying process is performed to allow the colloid to adhere to the rough surface; The procedure is not only complicated in manufacturing process, but also time-consuming and labor-intensive. Chinese Patent Application No. 101105031 discloses a method and a device for manufacturing a light guide plate, which mainly emphasizes that a plurality of "white inks" containing titanium oxide are stored in an ink cartridge by using an inkjet printer, and the inkjet printer is provided with plural numbers. In the recording head, a plurality of different "white inks" are sequentially discharged from a plurality of recording heads and printed on the light guide plate. The main disadvantage of this predecessor is that the inkjet printer spits out as "white ink" instead of "colloid". The white ink adhered to the light guide plate is too thin, and has no three-dimensional effect of unevenness, and cannot form an effective micro. Since the optical reflection structure scatters the incident light source, it is desirable that the effect of forming the surface light source by the light guide plate is not good. China Patent Application No. 100145621 discloses a method for manufacturing a light guide plate, which mainly emphasizes that a plurality of nozzles are used to discharge "ink droplets", printed on a transparent resin sheet, and another process is used to cure the ink droplets by irradiation with an ultraviolet lamp. The nozzle of the front case is discharged as "ink drop" instead of "colloid", and the disadvantages thereof are the same as described above, and an effective micro-optical reflection structure cannot be formed, and the effect of forming the surface light source by the light guide plate is not good. Moreover, it requires additional drying procedures, and the manufacturing process is more troublesome.
本發明主要係在改善前述傳統方式，以模造技術形成導光板複數微光學反射構件所出現之缺點，所為的一種全新發明。 The present invention is mainly directed to the improvement of the aforementioned conventional manner, and the formation of a plurality of micro-optical reflection members of a light guide plate by a molding technique, which is a novel invention.
本發明之第一目的，係一種導光板之噴印製造方法，其利用 噴墨印表機，僅需一道程序即可完成導光板之複數點狀微光學反射構件，製程簡單，藉以提升生產之效率，降低生產成本。 A first object of the present invention is a method for manufacturing a light guide plate, which utilizes The inkjet printer can complete the multi-point micro-optical reflection member of the light guide plate with only one procedure, and the process is simple, thereby improving the production efficiency and reducing the production cost.
本發明之第二目的，係一種導光板之噴印製造方法，其藉由 電腦控制噴墨印表機之噴印，使黏附於導光板表面之樹脂的大小、厚度、位置皆可輕易透過電腦程式加以改變，藉以增加導光板生產製造之彈性。 A second object of the present invention is a method for manufacturing a light guide plate by using The computer controls the printing of the inkjet printer so that the size, thickness and position of the resin adhered to the surface of the light guide plate can be easily changed through a computer program, thereby increasing the flexibility of the manufacture of the light guide plate.
本發明之第三目的，係一種導光板之噴印製造方法，其藉由噴墨印表機之準確噴印，能夠減少材料之使用量，節省材料成本。 A third object of the present invention is a printing method for a light guide plate, which can reduce the amount of materials used and save material cost by accurate printing of an ink jet printer.
本發明之第四目的，係一種導光板之噴印製造方法，其能夠使導光板表面形成具有凹凸之立體結構，提昇對射入光源進行散射之效果。 A fourth object of the present invention is a printing method for a light guide plate, which is capable of forming a three-dimensional structure having irregularities on the surface of the light guide plate to enhance the effect of scattering the incident light source.
為了詳細說明，特舉下述之實施例加以說明如下，惟，該等實施例並非用於限制本發明。 The following examples are described below for the purpose of illustration, and are not intended to limit the invention.
10‧‧‧導光板 10‧‧‧Light guide plate
12‧‧‧第一表面 12‧‧‧ first surface
14‧‧‧第二表面 14‧‧‧ second surface
16‧‧‧反射構件 16‧‧‧reflecting members
20‧‧‧微光學反射構件 20‧‧‧Micro-optical reflective components
30‧‧‧噴墨印表機 30‧‧‧Inkjet printer
31‧‧‧噴印頭 31‧‧‧Print head
32‧‧‧噴印台面 32‧‧‧Printing countertops
34‧‧‧紫外燈 34‧‧‧UV lamp
36‧‧‧噴頭 36‧‧‧Spray
38‧‧‧滑軌 38‧‧‧Slide rails
40‧‧‧電腦 40‧‧‧ computer
50‧‧‧光源 50‧‧‧Light source
60‧‧‧透射板 60‧‧‧Transmission plate
第一圖係習知導光板形成面光源之原理的斷面示意圖。 The first figure is a schematic cross-sectional view showing the principle of forming a surface light source by a conventional light guide plate.
第二圖係習知導光板與光源之立體示意圖。 The second figure is a schematic view of a conventional light guide plate and a light source.
第三圖係本發明導光板未處理前之斷面示意圖。 The third figure is a schematic cross-sectional view of the light guide plate of the present invention before it is processed.
第四圖係本發明導光板噴印操作時之立體示意圖。 The fourth figure is a schematic perspective view of the light guide plate printing operation of the present invention.
第五圖係本發明導光板噴印處理後之斷面示意圖。 The fifth figure is a schematic cross-sectional view of the light guide plate of the present invention after the printing process.
第六圖係本發明導光板使用時的斷面示意圖。 Figure 6 is a schematic cross-sectional view showing the light guide plate of the present invention in use.
第七圖係本發明噴墨印表機的噴頭蓋板開啟時之立體示意圖。 Figure 7 is a perspective view showing the head cover of the ink jet printer of the present invention when it is opened.
第八圖係本發明導光板噴印製造步驟的方塊示意圖。 The eighth figure is a block diagram showing the steps of manufacturing the light guide plate of the present invention.
本發明一種導光板之噴印製造方法，請同時參閱圖式三~五圖；第三圖所示，係該導光板未處理前之斷面示意圖；第四圖所示，係該導光板噴印操作時之立體示意圖；第五圖所示，係該導光板噴印處理後之斷面示意圖。其主要裝置包括：導光板10、噴墨印表機30、以及一電腦40等所組成。該導光板10可為透明樹脂片，透明壓克力板，或其類似之材質，其具有第一、二表面12、14，在未噴印處理之前，該兩表面皆係光滑。該噴墨印表機30，具有一噴頭36，噴頭36之兩側各設一紫外燈34，當噴頭36於噴墨印表機30之滑軌38來回滑動噴印的同時(如第四圖的箭頭所示)，該紫外燈34放出紫外光，於同一行程進行烘乾、固化。該噴墨印表機30之墨水匣並非裝設墨水，而是裝有預定之樹脂，該樹脂可選擇具有透明特性之樹脂材質。使該噴墨印表機30所噴出之材質為該預定之樹脂，而非墨水。該噴墨印表機30與一電腦40連接，因此透過該電腦40可控制噴墨印表機30，將該樹脂噴印於導光板10之預定位置處。本發明導光板之噴印製造方法其步驟可歸納如下：首先將導光板10放置於噴墨印表機30的噴印台面32上，使其第一表面12與噴印台面32接觸，而第二表面14則朝向噴頭36。接著，以噴墨印表機30對導光板10之第二表面14噴印預定樹脂，同時以紫外燈34固化。而該電腦40則控制噴墨印表機30，使該預定樹脂噴印於導光板10第二表面14之預定位置處，形成複數微光學反射構件20。本發明係以單一道之製程，同時完成導光板10第二表面14預定樹脂之噴印、固化，使該透明樹脂黏固於導光板10第二表面14，形成複數微光學反射構件20。該等微光學反射構件20，因為係由樹脂組成，所以具有一定之厚度，凸出於導光板10之第二表面14，使導光 板10之表面能夠形成具有凹凸之立體效果，如第五圖所示。請參閱圖式六圖，當配置於導光板10側邊之光源50(例如LED或冷陰極管等發光體)，射出至導光板10內部，經由該等樹脂作為反射構件將光線散射，並且穿透導光板10之第一表面12，再經由一透射板60將光線均勻射出，即能使導光板10形成看似好像從該複數微光學反射構件20發光之面光源。因為本發明係以噴墨印表機30，直接將樹脂噴印、固化於導光板10上，僅需一道程序即可完成導光板10之複數點狀微光學反射構件20，製程簡單，生產成本即可降低。 而該噴墨印表機30係藉由電腦40加以控制，因此欲黏附於導光板10表面之樹脂的大小、厚度、位置皆可輕易透過電腦程式加以改變，使本發明之製程更具有彈性。使用者可依據該導光板10係要用於照明、液晶顯示面板、或其他3C產品等不同之需求，輕易改變製程加以生產，而不再需要模造技術，耗時又費工的生產方式，去完成導光板10之複數點狀微光學反射構件20。 A method for manufacturing a light guide plate of the present invention, please refer to the figure 3 to 5 at the same time; the third figure is a schematic view of the cross section of the light guide plate before being processed; and the fourth figure shows that the light guide plate is sprayed The three-dimensional schematic diagram of the printing operation; the fifth figure is a schematic sectional view of the light guide plate after the printing process. The main device comprises a light guide plate 10, an inkjet printer 30, and a computer 40. The light guide plate 10 may be a transparent resin sheet, a transparent acrylic sheet, or the like, having first and second surfaces 12 and 14 which are smooth before being unprinted. The inkjet printer 30 has a showerhead 36, and an ultraviolet lamp 34 is disposed on each side of the showerhead 36. When the showerhead 36 slides back and forth on the slide rail 38 of the inkjet printer 30 (as shown in the fourth figure) The ultraviolet lamp 34 emits ultraviolet light and is dried and solidified on the same stroke. The ink cartridge of the ink jet printer 30 is not provided with ink, but is provided with a predetermined resin, and the resin may be selected from a resin material having a transparent property. The material ejected by the ink jet printer 30 is the predetermined resin, not the ink. The ink jet printer 30 is connected to a computer 40, so that the ink jet printer 30 can be controlled by the computer 40 to print the resin at a predetermined position of the light guide plate 10. The printing method of the light guide plate of the present invention can be summarized as follows: First, the light guide plate 10 is placed on the printing surface 32 of the inkjet printer 30 such that the first surface 12 is in contact with the printing surface 32, and The second surface 14 faces the showerhead 36. Next, the predetermined surface resin is printed on the second surface 14 of the light guide plate 10 by the ink jet printer 30 while being cured by the ultraviolet lamp 34. The computer 40 controls the ink jet printer 30 to print the predetermined resin at a predetermined position on the second surface 14 of the light guide plate 10 to form a plurality of micro-optical reflecting members 20. In the present invention, the printing process and curing of the predetermined resin on the second surface 14 of the light guide plate 10 are completed in a single pass process, and the transparent resin is adhered to the second surface 14 of the light guide plate 10 to form a plurality of micro-optical reflection members 20. The micro-optical reflecting members 20 have a certain thickness because they are composed of a resin, and protrude from the second surface 14 of the light guide plate 10 to guide the light. The surface of the panel 10 is capable of forming a three-dimensional effect having irregularities, as shown in the fifth figure. Referring to FIG. 6 , a light source 50 disposed on the side of the light guide plate 10 (for example, an illuminant such as an LED or a cold cathode tube) is emitted into the interior of the light guide plate 10 , and the light is scattered and worn through the resin as a reflective member. Through the first surface 12 of the light guide plate 10, the light is evenly emitted through a transmissive plate 60, that is, the light guide plate 10 can be formed into a surface light source which appears to be emitted from the plurality of micro-optical reflection members 20. Because the inkjet printer 30 of the present invention directly prints and cures the resin on the light guide plate 10, the multi-point micro-optical reflection member 20 of the light guide plate 10 can be completed by only one procedure, and the process is simple and the production cost is low. Can be reduced. The inkjet printer 30 is controlled by the computer 40. Therefore, the size, thickness and position of the resin to be adhered to the surface of the light guide plate 10 can be easily changed by a computer program, so that the process of the present invention is more flexible. The user can easily change the process to produce according to the different requirements of the light guide plate 10 for lighting, liquid crystal display panel, or other 3C products, without the need for molding technology, time-consuming and labor-intensive production methods, The plurality of dot-shaped micro-optical reflection members 20 of the light guide plate 10 are completed.
請參閱圖式第七圖，第七圖所示，係該噴墨印表機的噴頭蓋 板開啟時之立體示意圖。該噴墨印表機30之噴頭36內部設有一噴印頭31，處理過的透明樹脂，經過加熱後以液態狀，藉由管路至輸送噴印頭31。該噴印頭31係沿著滑軌38來回滑動，而導光板10則與滑軌38成垂直之方向輸送前進。電腦40則控制噴印頭31，於預定之位置噴印預定數量之樹脂在導光板10的第二表面14，噴頭36噴印樹脂之同時，噴頭36兩側之紫外燈34則以紫外光對樹脂進行固化，使該等樹脂於噴印之同一行程內，立即黏附固定於導光板10表面之預定位置處，形成複數微光學反射構件20。因此，本發明以單一道之製程即可完成導光板10的複數點狀微光學反射構件20，大大地提升生產效率。另外，該透明樹脂係藉由噴墨印表機30準確地黏附固化於導光板10 表面，因此可以減少樹脂不必要的使用量，節省材料的使用，同時亦避免不良品之產生，無形中亦降低了製造成本。 Please refer to the seventh figure in the figure, the seventh picture shows the nozzle cover of the inkjet printer. A three-dimensional diagram of the board when it is opened. The head 36 of the ink jet printer 30 is internally provided with a print head 31, and the treated transparent resin is heated to be in a liquid state, and is transported to the print head 31 by a pipe. The print head 31 slides back and forth along the slide rails 38, and the light guide plate 10 is conveyed in a direction perpendicular to the slide rails 38. The computer 40 controls the printing head 31 to print a predetermined amount of resin on the second surface 14 of the light guide plate 10 at a predetermined position. The nozzle 36 prints the resin while the ultraviolet lamps 34 on both sides of the nozzle 36 are in ultraviolet light. The resin is cured so that the resin adheres to a predetermined position on the surface of the light guide plate 10 in the same stroke of the printing to form a plurality of micro-optical reflection members 20. Therefore, the present invention can complete the plurality of point-like micro-optical reflection members 20 of the light guide plate 10 in a single-pass process, which greatly improves the production efficiency. In addition, the transparent resin is adhered and cured to the light guide plate 10 by the inkjet printer 30. The surface can reduce the unnecessary use of the resin, save the use of materials, and also avoid the occurrence of defective products, which inevitably reduces the manufacturing cost.
請參閱圖式第八圖，係導光板噴印製造步驟的方塊示意圖。 其製造之步驟如下：將導光板10放置於噴墨印表機30的噴印台面32上，並使其預定之表面朝向噴頭36：→以噴墨印表機30對導光板10之預定表面噴印樹脂，同時以紫外燈34固化；→藉由電腦40控制噴墨印表機30，使該樹脂噴印於導光板10之預定位置處；→以單一道之製程完成導光板10表面樹脂之噴印、固化，使該透明樹脂黏固於導光板10表面，形成複數微光學反射構件20。其中，該噴墨印表機30所噴印之透明樹脂，亦可以為其他膠體，或可以形成微光學結構之其他物質。 Please refer to the eighth figure of the drawing, which is a block diagram of the manufacturing steps of the light guide printing. The manufacturing steps are as follows: the light guide plate 10 is placed on the printing surface 32 of the ink jet printer 30 with its predetermined surface facing the head 36: → the predetermined surface of the light guide plate 10 by the ink jet printer 30 Printing the resin while curing with the ultraviolet lamp 34; → controlling the inkjet printer 30 by the computer 40 to print the resin at a predetermined position of the light guide plate 10; → completing the surface resin of the light guide plate 10 by a single process The transparent resin is adhered to the surface of the light guide plate 10 to form a plurality of micro-optical reflection members 20 by printing and curing. The transparent resin printed by the ink jet printer 30 may also be other colloids or other substances that can form a micro-optical structure.
綜上所述，本發明一種導光板之噴印製造方法，藉由噴墨印 表機對導光板之預定表面噴印樹脂，同時以紫外燈固化，使該等樹脂形成複數微光學反射構件，合於產業上之利用性。而藉由噴墨印表機，以單一道之製程即可快速完成導光板的複數點狀微光學反射構件，除了可以提升生產效率之外，亦可使導光板之製程更具有彈性，同時節省材料的使用，顯然較習知技術更具有功效之增進，具有進步性。另本發明申請前並未見於刊物，其新穎性亦毋庸置疑。本案合於發明專利之要件，爰依法提出發明專利之申請，祈請惠予審查並賜予專利，實感德便。 In summary, the present invention provides a method of manufacturing a light guide plate by inkjet printing. The watch machine prints the resin on the predetermined surface of the light guide plate, and simultaneously cures with the ultraviolet lamp, so that the resin forms a plurality of micro-optical reflection members, which is industrially useful. With the inkjet printer, the multi-point micro-optical reflection member of the light guide plate can be quickly completed in a single-pass process, which not only improves the production efficiency, but also makes the process of the light guide plate more flexible, and saves The use of materials is clearly more effective and more progressive than the prior art. In addition, the present invention was not found in the publication before the application, and its novelty is also unquestionable. This case is in line with the requirements of the invention patent, and the application for the invention patent is filed according to law, and it is prayed for the review and patent.
10‧‧‧導光板 10‧‧‧Light guide plate
30‧‧‧噴墨印表機 30‧‧‧Inkjet printer
32‧‧‧噴印台面 32‧‧‧Printing countertops
34‧‧‧紫外燈 34‧‧‧UV lamp
36‧‧‧噴頭 36‧‧‧Spray
38‧‧‧滑軌 38‧‧‧Slide rails
40‧‧‧電腦 40‧‧‧ computer
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103122430A TW201600894A (en) | 2014-06-30 | 2014-06-30 | Inkjet-printing manufacturing method of light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103122430A TW201600894A (en) | 2014-06-30 | 2014-06-30 | Inkjet-printing manufacturing method of light guide plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201600894A true TW201600894A (en) | 2016-01-01 |
| TWI518388B TWI518388B (en) | 2016-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW103122430A TW201600894A (en) | 2014-06-30 | 2014-06-30 | Inkjet-printing manufacturing method of light guide plate |
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| Country | Link |
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| TW (1) | TW201600894A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066507A (en) * | 2016-07-29 | 2016-11-02 | 马剑星 | The light guide plate of a kind of reinforced surface optical texture and process thereof |
| WO2022226540A1 (en) * | 2021-04-23 | 2022-10-27 | Crane & Co., Inc. | Process for applying resinous fluids for cast micro-optic structures manufacturing |
-
2014
- 2014-06-30 TW TW103122430A patent/TW201600894A/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066507A (en) * | 2016-07-29 | 2016-11-02 | 马剑星 | The light guide plate of a kind of reinforced surface optical texture and process thereof |
| WO2022226540A1 (en) * | 2021-04-23 | 2022-10-27 | Crane & Co., Inc. | Process for applying resinous fluids for cast micro-optic structures manufacturing |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI518388B (en) | 2016-01-21 |
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