WO2016045144A1 - Cadre d'impression - Google Patents

Cadre d'impression Download PDF

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Publication number
WO2016045144A1
WO2016045144A1 PCT/CN2014/087964 CN2014087964W WO2016045144A1 WO 2016045144 A1 WO2016045144 A1 WO 2016045144A1 CN 2014087964 W CN2014087964 W CN 2014087964W WO 2016045144 A1 WO2016045144 A1 WO 2016045144A1
Authority
WO
WIPO (PCT)
Prior art keywords
wire diameter
slurry
printing screen
weft
warp
Prior art date
Application number
PCT/CN2014/087964
Other languages
English (en)
Chinese (zh)
Inventor
余威
李春良
Original Assignee
深圳市华星光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Publication of WO2016045144A1 publication Critical patent/WO2016045144A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B41F15/34—Screens, Frames; Holders therefor

Definitions

  • the invention relates to the field of printing technology, and in particular to a printing screen.
  • Screen printing is a versatile printing technology that is used in a variety of industries and is currently widely used in the flat panel display industry.
  • Screen printing is the process of applying a slurry onto a printing screen and then transferring the patterned paste on the printing screen onto the carrier.
  • the printing screen is mainly composed of a mesh frame and a mesh cloth.
  • the current mesh has a single structure and cannot meet the various needs of screen printing, thereby affecting the printing quality.
  • the technical problem to be solved by the present invention is to provide a printing screen to meet the needs of screen printing, thereby improving the printing quality.
  • the invention provides a printing screen comprising a plurality of warp threads, a plurality of weft threads and an emulsion, wherein the warp threads and the weft threads are interlaced in a manner of being interlaced in the emulsion, the emulsion is provided with a through hole And conveying the slurry, the through hole includes a feeding end for receiving the poured slurry, and the pouring slurry is introduced into the discharging end, the discharging end For exporting the slurry to a carrier plate, the size of the port at the slurry end is greater than the size of the port at the slurry end.
  • the diameter of the through hole gradually increases from the port of the feed end to the port of the slurry end.
  • the inner wall of the slurry end is perpendicular to the carrier plate, and the inner wall of the slurry end is at an acute angle with the carrier plate.
  • the longitudinal section of the pulping end is trapezoidal.
  • the surface of the warp and/or the weft is uneven.
  • each of the warp and the weft are staggered and each form a net knot.
  • the plurality of warp threads have the same wire diameter and are the first wire diameter
  • the plurality of weft wires have the same wire diameter and are the second wire diameter
  • the wire mesh has a third wire diameter, wherein the third wire diameter The diameter is larger than the first wire diameter and the second wire diameter.
  • the warp and the weft are interlaced to form a mesh
  • the mesh includes a preset area and a non-preset area, and the diameter of the warp, the weft, and the net in the preset area
  • the fourth line diameter, the fifth line diameter, and the sixth line diameter are respectively, and the diameters of the warp, the weft, and the net knot in the non-preset area are the seventh line diameter, the eighth line diameter, and the ninth line diameter, respectively.
  • the sixth wire diameter is larger than the fourth wire diameter and the fifth wire diameter
  • the ninth wire diameter is larger than the seventh wire diameter and the eighth wire diameter
  • the fourth wire diameter is larger than the The seventh wire diameter
  • the fifth wire diameter is larger than the eighth wire diameter
  • the sixth wire diameter is larger than the ninth wire diameter.
  • the fourth wire diameter and the fifth wire diameter are equal, and the seventh wire diameter and the eighth wire diameter are equal.
  • the printing screen further comprises a mesh frame, and the warp and weft threads woven by the above-mentioned lower interlacing manner are fixed on the frame.
  • a printing screen comprising a plurality of warp threads, a plurality of weft threads and an emulsion, wherein the warp threads and the weft threads are interlaced in a manner of being interlaced in the emulsion, the emulsion is provided with a through hole, The slurry is conveyed, the through hole includes a feed end for receiving the poured slurry, and the through slurry is introduced into the slurry end, and the slurry end is used for The slurry is led to a carrier plate having a port having a size greater than a size of a port at the feed end.
  • the contact area of the slurry with the carrier plate is significantly increased, thereby increasing the adhesion between the slurry and the carrier plate, when the printing screen is lifted, the slurry Still all adhered firmly to the carrier plate, so that the printed screen on the carrier plate is more clear and complete, thereby improving the printing quality of the printing screen and meeting the printing requirements.
  • Figure 1 is a partial cross-sectional view of a printing screen provided by a first embodiment of the present invention
  • Figure 2 is a plan view of a printing screen provided by the first embodiment of the present invention.
  • Figure 3 is a plan view of a printing screen provided by a second embodiment of the present invention.
  • FIG. 4 is a plan view of a printing screen provided by a third embodiment of the present invention.
  • a preferred embodiment of the present invention provides a printing screen 100.
  • the printing screen 100 includes a plurality of warp threads 10, a plurality of weft threads 20, and an emulsion 101.
  • the warp threads 10 and the weft threads 20 are woven in the emulsion 101 in a manner of being staggered above and below.
  • the emulsion 101 is provided with a through hole 102 to convey the slurry.
  • the through hole 102 includes a feed end 1021 and a discharge end 1022.
  • the feed end 1021 is for receiving the poured slurry and directing the poured slurry to the slurry end 1022.
  • the slurry end 1022 is used to direct the slurry to a load plate.
  • the size L1 of the port of the slurry end 1022 is greater than the size L2 of the port of the slurry end 1022.
  • the warp 10 and the weft 20 are woven in a manner of being interlaced to form a plurality of openings 30.
  • the slurry first adheres to the opening 30.
  • the printing screen 100 is pressed down onto the carrier plate by the doctor blade, the slurry will contact the carrier plate, and the slurry will adhere to the carrier plate.
  • the printing screen 100 is lifted up, the slurry remains on the carrier plate due to adhesion to the carrier sheet.
  • the pattern printed on the carrier board is determined by the emulsion 101 on the printing screen 100.
  • the corresponding opening 30 corresponding to the photosensitive emulsion without the through hole 102 is not covered by the slurry due to being blocked by the emulsion 101. And since the opening 30 at the through hole 10 corresponding to the emulsion is attached to the slurry, the slurry is printed on the carrier.
  • the slurry enters the slurry discharge end 1022 through the slurry inlet end 1022 and is in contact with the carrier plate. Since the size L1 of the port of the slurry end 1022 is larger than the size L2 of the port of the slurry end 1022, the contact area of the slurry with the carrier plate is significantly increased, thereby increasing the slurry and the Adhesion between the carrier plates, when the printing screen 100 is lifted, the pulp The material is still firmly adhered to the carrier plate, so that the printed pattern of the printing screen 100 on the carrier board is clearer and more complete, thereby improving the printing quality of the printing screen 100 and satisfying the printing. Demand.
  • the diameter of the through hole 102 gradually increases from the port of the slurry inlet end 1021 to the port of the slurry outlet end 1022.
  • an inner wall of the slurry end 1021 is perpendicular to the carrier plate.
  • the inner wall of the slurry end 1022 is at an acute angle to the carrier plate.
  • the longitudinal end section of the slurry outlet end 1022 is trapezoidal.
  • the longitudinal section of the slurry outlet end 1022 may be other shapes, and only the diameter of the through hole 102 may be gradually increased from the port of the slurry inlet end 1021 to the port of the slurry discharge end 1022. .
  • the surface of the warp 10 and/or the weft 20 is uneven.
  • the present embodiment since the surface of the warp 10 and/or the weft 20 is uneven, the screen printing is performed by the printing screen 100, and when the slurry is poured through the opening 30, the slurry The contact area between the warp 10 and the weft 20 around the opening 30 is increased. According to the characteristics of the adhesion of the slurry: the larger the area of the surface in contact with the slurry, the greater the adhesion between the slurry and the contact surface. Therefore, the present embodiment increases the surface area of the slurry in contact with the warp and weft 20 around the opening 30, and the adhesion of the slurry to the contact surface of the warp and weft 20 around the opening 30 is increased. Larger, a lower viscosity slurry can be adhered to the mesh 30, thereby expanding the applicable conditions for screen printing and achieving the need for screen printing for a lower viscosity slurry.
  • the surface of the warp 10 and/or the weft 20 is convex and concave.
  • the surface of the warp 10 and/or the weft 20 is serrated or wavy.
  • the zigzag and undulations may be irregularly serrated and wavy, i.e., non-periodic.
  • the unevenness of the surface of the warp threads 10 and/or the weft threads 20 is within the scope of the application. No more enumeration here.
  • the material of the warp threads 10 and the weft threads 20 may be stainless steel.
  • the opening 30 is square. In other embodiments, the materials of the warp threads 10 and the weft threads 20 can be adjusted according to actual needs.
  • a second embodiment of the present invention provides a printing screen 200.
  • the printing screen 200 provided by the second embodiment is different from the printing screen 100 provided by the first embodiment, both The difference is that in the second embodiment, each of the warp threads 10 and the weft threads 20 are fixed and each forms a net knot 40.
  • the interlacing of the warp 10 and the weft 20 is fixed, so that the interlacing of the warp 10 and the weft 20 is not fixed. The resulting displacement of the screen is improved.
  • the plurality of warp threads 10 have the same wire diameter and are the first wire diameter b.
  • the plurality of weft wires 20 have the same wire diameter and are the second wire diameter c.
  • the mesh knot 40 has a third wire diameter d that is larger than the first wire diameter b and the second wire diameter c.
  • the printing screen further includes a frame.
  • the formed mesh is fixed in the frame (that is, the warp 10 and the weft 20 woven in the upper and lower interlaced manners are fixed.
  • the portions where the warp threads 20 are interlaced with the weft threads 30 are separately fixed to form a mesh knot 40.
  • the portion of the network junction 40 and the widths of the first and second wire diameters b and c are widened by physical and chemical deposition.
  • the existing printing screen can not reduce the amount of ink permeation in a local area during printing, so that the amount of materials such as ink and slurry is increased, and there is an area in which the amount of ink permeation cannot be highlighted, thereby causing the operating cost to be invisible. Increased, and can not reach the situation of gradient printing effect. Therefore, in the present embodiment, since the netting 40 is subjected to physical or chemical deposition, the first wire diameter b, the second wire diameter c, and the third wire diameter d are both larger than the untreated warp and weft wires.
  • the area of the opening 30 (that is, the ink permeable opening of the printing screen) is made smaller, the ink transmission amount of the printing screen is reduced, and the printing effect is reduced, the amount of materials such as ink is reduced, and the operation is saved. Cost and other effects.
  • a third embodiment of the present invention provides a printing screen 300.
  • the printing screen 300 provided by the third embodiment is similar to the printing screen 200 provided by the second embodiment, and the difference between the two is that in the third embodiment, the warp 10 and the weft 20 are above.
  • the mesh is formed by weaving in a staggered manner, and the mesh includes a preset area 310 and a non-preset area.
  • the printing screen in the predetermined area 310 is subjected to a deposition process. That is, the wire diameters of the warp threads 311, the weft threads 312, and the mesh knots 313 in the preset area 310 are the fourth wire diameter, the fifth wire diameter, and the sixth wire diameter, respectively.
  • Non-pre-pre The wire diameters of the warp threads 10, the weft threads 20, and the net knots 40 in the region are respectively the seventh wire diameter, the eighth wire diameter, and the ninth wire diameter.
  • the sixth wire diameter is larger than the fourth wire diameter and the fifth wire diameter
  • the ninth wire diameter is larger than the seventh wire diameter and the eighth wire diameter
  • the fourth wire diameter is larger than the first wire diameter
  • the seventh wire diameter is greater than the eighth wire diameter
  • the sixth wire diameter is larger than the ninth wire diameter. Therefore, according to the printing screen 300 provided by the third embodiment, in addition to the advantages and features of the printing screens 100 and 200 according to the first and second embodiments described above, the effect of progressive printing can be achieved at the time of printing. .

Abstract

L'invention concerne un cadre d'impression (100, 200, 300), comprenant une pluralité de fils de chaîne (10), une pluralité de fils de trame (20) et une émulsion photosensible (101), les fils de chaîne (10) et les fils de trame (20) étant tissés dans l'émulsion photosensible (101) par entrelacement vers le haut et vers le bas, l'émulsion photosensible (101) étant ouverte avec un trou traversant (102) pour transporter une boue, et le trou traversant (102) comprenant une extrémité d'entrée de boue (1021) et une extrémité de sortie de boue (1022), l'extrémité d'entrée de boue (1021) étant utilisée pour recevoir et diriger une boue, fournie en entrée, vers l'extrémité de sortie de boue (1022), et l'extrémité de sortie de boue (1022) étant utilisée pour faire sortir la boue sur une plaque de transport, la taille d'orifice de l'extrémité de sortie de boue (1022) étant supérieure à la taille d'orifice de l'extrémité d'entrée de boue (1021). La structure de la présente invention améliore la qualité d'impression de cadres d'impression, et satisfait les exigences d'impression.
PCT/CN2014/087964 2014-09-24 2014-09-30 Cadre d'impression WO2016045144A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410494207.9 2014-09-24
CN201410494207.9A CN104309282A (zh) 2014-09-24 2014-09-24 一种印刷网版

Publications (1)

Publication Number Publication Date
WO2016045144A1 true WO2016045144A1 (fr) 2016-03-31

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Application Number Title Priority Date Filing Date
PCT/CN2014/087964 WO2016045144A1 (fr) 2014-09-24 2014-09-30 Cadre d'impression

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CN (1) CN104309282A (fr)
WO (1) WO2016045144A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104249548A (zh) * 2014-09-24 2014-12-31 深圳市华星光电技术有限公司 一种印刷网版
CN112951953A (zh) * 2019-12-11 2021-06-11 深圳市聚飞光电股份有限公司 一种led印刷方法
TWI760799B (zh) * 2020-07-28 2022-04-11 倉和股份有限公司 增加疏水疏油性的印刷網版及其製作方法

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US20100252544A1 (en) * 2007-10-26 2010-10-07 Agc Flat Glass Europe Sa Glazing comprising a network of conducting wires
CN103129111A (zh) * 2011-11-23 2013-06-05 茂迪股份有限公司 印刷用网版的网布及用于印刷太阳能电池电极的网版
CN203110500U (zh) * 2013-02-07 2013-08-07 高俊杰 网版结构
CN203344473U (zh) * 2013-07-15 2013-12-18 邓淑子 网版印刷结构
CN203557805U (zh) * 2013-11-21 2014-04-23 仓和股份有限公司 网版保护结构
CN203623122U (zh) * 2013-12-10 2014-06-04 仓和股份有限公司 改良网版结构

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US4242401A (en) * 1978-01-24 1980-12-30 Mitani Electronics Industry Corp. Screen-printing mask
TWI458648B (zh) * 2006-04-07 2014-11-01 Mitsubishi Paper Mills Ltd A method for manufacturing a photographic mask for printing a resin, and a screen printing mask for resin
TW201125734A (en) * 2010-01-27 2011-08-01 Ming Sheng Net Plate Printing Machinery Co Ltd Screen plate and manufacturing method thereof
CN102358977A (zh) * 2011-08-30 2012-02-22 昆山维信纺织工业有限公司 一种网布

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100252544A1 (en) * 2007-10-26 2010-10-07 Agc Flat Glass Europe Sa Glazing comprising a network of conducting wires
CN103129111A (zh) * 2011-11-23 2013-06-05 茂迪股份有限公司 印刷用网版的网布及用于印刷太阳能电池电极的网版
CN203110500U (zh) * 2013-02-07 2013-08-07 高俊杰 网版结构
CN203344473U (zh) * 2013-07-15 2013-12-18 邓淑子 网版印刷结构
CN203557805U (zh) * 2013-11-21 2014-04-23 仓和股份有限公司 网版保护结构
CN203623122U (zh) * 2013-12-10 2014-06-04 仓和股份有限公司 改良网版结构

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