WO2015176520A1 - 光栅打印设备及光栅制作方法 - Google Patents
光栅打印设备及光栅制作方法 Download PDFInfo
- Publication number
- WO2015176520A1 WO2015176520A1 PCT/CN2014/092809 CN2014092809W WO2015176520A1 WO 2015176520 A1 WO2015176520 A1 WO 2015176520A1 CN 2014092809 W CN2014092809 W CN 2014092809W WO 2015176520 A1 WO2015176520 A1 WO 2015176520A1
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- WO
- WIPO (PCT)
- Prior art keywords
- head
- chamber
- raster
- nozzle
- printing apparatus
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
Definitions
- Embodiments of the present invention relate to a raster printing apparatus and a grating manufacturing method in the field of display technology.
- the 3D display technology using the parallax barrier method is a 3D display technology widely used at present.
- the basic structure of a known device for implementing the technology is as shown in FIG. 1 , including the display unit 130 and located in front of the display unit 130 .
- the parallax barrier layer 110 is an optical device including periodically arranged transparent stripes and light-shielding stripes.
- the reflective layer 120 under the parallax barrier layer 110 reflects the light emitted by the backlight 141 and is not reflected back for reuse, and the brightness can be increased by 30% or more.
- the reflective layer 120 is usually formed first, and then the parallax barrier layer 110 is fabricated. Since the two layers are completely independent of each other, an error is inevitable when the alignment is performed, that is, the parallax barrier Layer 110 and reflective layer 120 can create misalignment.
- a known manner is to make the width of the parallax barrier layer 110 much larger than the width of the reflective layer 120, as shown in FIG. 2, the reflective layer 120 The width a is significantly smaller than the width b of the parallax barrier 110, but this in turn affects the display effect.
- a raster printing apparatus comprising: a base configured to place a substrate to be printed; a moving device configured to be movable along a predetermined path above the base; the first head and the first Two nozzles fixed side by side on the moving device and facing the base; and, a first chamber and a second chamber, the first chamber connecting the first head and configured to be the first A print material is ejected from the first head, and the second chamber is coupled to the second head and configured to eject a second print material therefrom from the second head.
- the first head and the second head respectively have injection holes, and in the direction perpendicular to the direction in which the first head and the second head are arranged, the length of the nozzle of the first head is greater than The length of the orifice of the second nozzle.
- the first head and the second head respectively have an orifice, and in the direction perpendicular to the direction in which the first head and the second head are arranged, the orifice of the second head has The middle is wide and the two ends are narrow.
- the first spray head is coupled to the first chamber by a first conduit and the second spray head is coupled to the second chamber by a second conduit.
- the first conduit and the second conduit are both hoses.
- the first chamber is configured to store opaque printed material and the second chamber is configured to store reflective printed material.
- the mobile device includes:
- a longitudinally moving arm configured to move longitudinally in a plane parallel to the base
- a lateral slider is disposed on the longitudinal moving arm and movable along it.
- first chamber and the second chamber are secured to one side of the abutment.
- At least one embodiment of the present invention also provides a raster fabrication method using the above-described raster printing device, comprising:
- the first material and the second material are an opaque printed material and a reflective printed material, respectively.
- the print start position of the next raster stripe is located on a side of the substrate to be printed where the current raster print completion position is located.
- 1 is a schematic structural view of a parallax barrier 3D display device
- FIG. 2 is a schematic enlarged view showing a parallax barrier and a reflective layer in the parallax barrier 3D display device shown in FIG. 1;
- FIG. 3 is a schematic structural diagram of a raster printing device according to an embodiment of the present invention.
- FIG. 4 is a schematic view showing a process of printing a raster stripe by using the raster printing device of FIG. 3;
- FIG. 5 is a schematic enlarged view showing a grating layer and a reflective layer in a raster printing apparatus according to an embodiment of the present invention
- Figure 6a is a schematic cross-sectional view showing an example of a first head and a second head of a raster printing apparatus according to an embodiment of the present invention
- Figure 6b is a schematic cross-sectional view showing another example of the first head and the second head of the raster printing apparatus of the embodiment of the present invention.
- the raster printing device of the embodiment of the present invention includes: a base station 310, a mobile device 340, The first showerhead 320, the second showerhead 330, the first chamber 360 and the second chamber 370.
- the base 310 is configured to place a substrate to be printed.
- Mobile device 340 is configured to be movable along a predetermined path above base station 310.
- the first head 320 and the second head 330 are fixed side by side on the moving device 340 and toward the base 310, whereby the first head 320 and the second head 330 disposed thereon can be driven by the moving device 340
- a predetermined path is moved over the base 310 to print a predetermined pattern on the substrate to be printed.
- the base 310 may be any existing object capable of carrying a substrate, which is not limited herein.
- the mobile device 340 may be any existing device capable of achieving precise positioning and movement.
- An example of a mobile device 340, as shown in Figure 3, includes a longitudinal moving arm 341 and a lateral slider 342, for example, which are driven by a stepper motor (not shown), but may also be driven by other driving devices well known in the art. This is not a limitation.
- the longitudinal moving arm 341 is longitudinally movable in a plane parallel to the base 310
- the lateral slider 342 is located on the longitudinal moving arm 341 and is movable along the longitudinal moving arm 341 That is, the lateral slider 342 is laterally moved in a plane parallel to the base 310, so that the first head 320 and the second head 330 can be moved to and positioned above any one of the bases 310.
- the first chamber 360 is connected to the first head 320, and the first chamber 360 is configured to eject the first printing material 400 therefrom from the first head 320.
- the second chamber 370 is connected to the second head 330, and the second chamber 370 is used to eject the second printing material 500 therefrom from the second head 330.
- the first chamber 360 and the second chamber 370 may be a storage tank with an air pump to eject the printing material in the storage tank from the head through the air pump.
- the first showerhead 320 and the second showerhead 330 may be directly connected to the first chamber 360 and the second chamber 370, respectively, or may be connected to the first chamber 360 and the second chamber 370 through the first duct 380 and the second duct 390, respectively.
- first and second conduits 380, 390 are hoses such that the first chamber 360 and the second chamber 370 can be placed in an appropriate position without being carried and moved by the mobile device 340;
- the first chamber 360 and the second chamber 370 may be fixed at a position near the lateral slider 342, such as on one side of the base 310.
- the two nozzles 320, 330 are arranged next to each other so that different printing materials can be separately ejected during printing, for example, for printing the upper and lower layers of the material, thereby The pattern of two layers of material is printed almost simultaneously, and the phenomenon that the upper and lower layers are misaligned is also avoided.
- a raster printing apparatus in accordance with an embodiment of the present invention can be used to print a pattern of reflective gratings on a substrate, and a first chamber 360 stores an opaque printed material 400 for printing raster stripes (eg, black Ink), the second chamber 370 stores a reflective printing material 500 (eg, silver powder) for printing a reflective layer.
- a first chamber 360 stores an opaque printed material 400 for printing raster stripes (eg, black Ink)
- the second chamber 370 stores a reflective printing material 500 (eg, silver powder) for printing a reflective layer.
- the second head 330 for ejecting the reflective printing material 500 is located in front of the first head 320 for ejecting the opaque printing material 400.
- the first nozzle 320 and the second nozzle 330 respectively eject black ink and silver powder while moving the mobile device 340 according to the preset movement trajectory;
- the timing at which the first head 320 ejects ink is appropriately controlled (to be described later) to alternately form light-transmitting and opaque grating stripes, thereby forming a grating structure.
- the first The length of the nozzle hole of the nozzle 320 is greater than the length of the nozzle hole of the second nozzle 330; at this time, the width of the formed grating layer will be larger than the width of the reflective layer, as shown by the dotted line in FIG. The edges of the layer are suspended.
- the second showerhead 330 is sprayed.
- the hole may have a shape that is wide in the middle and narrow in both ends, so that the amount of ejection of the edge portion of the second head 330 is reduced, and accordingly, the edge of the formed reflective layer has a tendency to gradually approach the surface of the substrate to be printed, that is, reflection
- the layer has a certain slope angle between the substrate, so that the grating stripe formed on the reflective layer also has a certain slope angle with the substrate and gradually approaches the surface of the substrate to be printed, so that the edge of the grating stripe is not as shown in FIG. Suspended to avoid breakage of the grating fringes beyond the reflective layer.
- Embodiments of the present invention also provide a raster fabrication method using the above-described raster printing apparatus, which can be performed as follows.
- Step S6 is repeated until all raster stripes are printed.
- the first material 400 and the second material 500 are an opaque printed material and a reflective printed material, respectively.
- the printing start position of the next raster stripe is located on the side of the substrate to be printed where the current raster printing completion position is located. That is, in this example, the moving stroke of the moving device is "Z" shaped, and it is not necessary to start printing from the same side of the substrate to be printed when printing each of the raster stripes.
- the above printing method can be written into the corresponding control chip in advance in a programmatic manner to be automatically performed under the control of the control chip.
- the mobile positioning program of the mobile device 340 and the program for controlling the inkjet printing techniques mature in the art can be employed as long as the mobile positioning parameters and the ejection time of the printing materials of the two nozzles are controlled (which varies with the substrate to be printed)
- the grating can be completed and will not be described here.
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- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
Claims (11)
- 一种光栅打印设备,包括:基台,配置成放置待打印基板;移动装置,配置成可在所述基台上方沿预定路径移动;第一喷头和第二喷头,并排固定在所述移动装置上并且朝向所述基台;以及第一腔室和第二腔室,所述第一腔室连接所述第一喷头并被配置成将其中的第一打印材料从所述第一喷头喷出,所述第二腔室连接所述第二喷头并被配置成将其中的第二打印材料从所述第二喷头喷出。
- 如权利要求1所述的光栅打印设备,其中,所述第一喷头和第二喷头分别具有喷孔,并且在与所述第一喷头和第二喷头的排列方向垂直的方向上、所述第一喷头的喷孔的长度大于所述第二喷头的喷孔的长度。
- 如权利要求1所述的光栅打印设备,其中,所述第一喷头和第二喷头分别具有喷孔,并且在与所述第一喷头和第二喷头的排列方向垂直的方向上、所述第二喷头的喷孔具有中间宽而两头窄的形状。
- 如权利要求1~3中任一项所述的光栅打印设备,其中,所述第一喷头通过第一管道连接所述第一腔室,并且所述第二喷头通过第二管道连接所述第二腔室。
- 如权利要求4所述的光栅打印设备,其中,所述第一管道和第二管道均为软管。
- 如权利要求1~5中任一项所述的光栅打印设备,其中,所述第一腔室配置成存放不透明打印材料,并且所述第二腔室配置成存放反射性打印材料。
- 如权利要求1~6中任一项所述的光栅打印设备,其中,所述移动装置包括:纵向移动臂,配置成在平行于基台的平面内纵向移动;以及横向滑块,设置在所述纵向移动臂上并且可沿其移动。
- 如权利要求1~7中任一项所述的光栅打印设备,其中,所述第一腔室和第二腔室固定于所述基台的一侧。
- 一种利用如权利要求1~8中任一项所述的光栅打印设备的光栅制作方法,包括:S1.将所述移动装置定位于当前光栅条纹的打印起始位置上方;S2.使放置在所述第二腔室内的第二材料从所述第二喷头朝向所述打印起始位置喷出,并且同时使所述移动装置沿着当前光栅条纹的长度方向移动;S3.当所述第一喷头到达所述第二喷头开始喷出第二材料的位置时,使放置在所述第一腔室内的第一材料从所述第一喷头喷出;S4.当喷射到基板上的第二材料达到预定宽度后,停止喷出所述第二材料,并且在所述第一喷头移动至所述第二喷头停止喷出所述第二材料的位置时停止喷出第一材料。
- 如权利要求9所述的光栅制作方法,其中,所述第一材料和第二材料分别为不透明打印材料和反射性打印材料。
- 如权利要求9或10所述的光栅制作方法,其中,所述下一条光栅条纹的打印起始位置位于所述当前光栅打印完成位置所在待打印基板对应的一侧。
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CN201410219291.3A CN103978788B (zh) | 2014-05-22 | 2014-05-22 | 光栅打印设备及光栅制作方法 |
CN201410219291.3 | 2014-05-22 |
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Cited By (1)
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CN113771515A (zh) * | 2021-08-27 | 2021-12-10 | 深圳汉弘数字印刷集团股份有限公司 | 一种裸眼3d图案的制作方法、装置及数码打印机 |
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CN103978788B (zh) * | 2014-05-22 | 2015-12-30 | 京东方科技集团股份有限公司 | 光栅打印设备及光栅制作方法 |
CN107554073B (zh) * | 2017-09-19 | 2019-09-06 | 联想(北京)有限公司 | 一种打印设备及打印控制方法 |
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JP2006511844A (ja) * | 2002-12-20 | 2006-04-06 | イクスドライデー テヒノロギーズ ゲーエムベーハー | 二次元または三次元表示のための装置 |
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CN103317848B (zh) * | 2013-06-26 | 2015-02-04 | 京东方科技集团股份有限公司 | 一种喷墨打印设备及制作光栅的方法 |
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- 2014-05-22 CN CN201410219291.3A patent/CN103978788B/zh active Active
- 2014-12-02 WO PCT/CN2014/092809 patent/WO2015176520A1/zh active Application Filing
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CN1395135A (zh) * | 2001-06-29 | 2003-02-05 | 精工爱普生株式会社 | 滤色片基板及其制造方法、液晶显示装置及电光装置 |
JP2003294936A (ja) * | 2003-03-27 | 2003-10-15 | Seiko Epson Corp | カラーフィルタの製造装置およびその製造方法、表示装置の製造装置及び製造方法 |
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CN113771515A (zh) * | 2021-08-27 | 2021-12-10 | 深圳汉弘数字印刷集团股份有限公司 | 一种裸眼3d图案的制作方法、装置及数码打印机 |
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CN103978788B (zh) | 2015-12-30 |
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