WO2015026062A1 - 비표시부 패턴 형성 방법 - Google Patents

비표시부 패턴 형성 방법 Download PDF

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Publication number
WO2015026062A1
WO2015026062A1 PCT/KR2014/006469 KR2014006469W WO2015026062A1 WO 2015026062 A1 WO2015026062 A1 WO 2015026062A1 KR 2014006469 W KR2014006469 W KR 2014006469W WO 2015026062 A1 WO2015026062 A1 WO 2015026062A1
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WO
WIPO (PCT)
Prior art keywords
pattern
pad
display portion
window glass
ink
Prior art date
Application number
PCT/KR2014/006469
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
박일우
김태균
조성훈
Original Assignee
동우화인켐 주식회사
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 동우화인켐 주식회사 filed Critical 동우화인켐 주식회사
Priority to JP2016533233A priority Critical patent/JP6282737B2/ja
Priority to CN201480046706.XA priority patent/CN105473341B/zh
Publication of WO2015026062A1 publication Critical patent/WO2015026062A1/ko

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/10—Intaglio printing ; Gravure printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/26—Printing on other surfaces than ordinary paper
    • B41M1/34—Printing on other surfaces than ordinary paper on glass or ceramic surfaces

Definitions

  • the present invention relates to a method of forming a non-display portion pattern.
  • the touch screen is a screen equipped with a special input device to receive the position when touched by hand (touch).
  • the touch screen can receive input data directly from the screen so that when a person's hand or an object touches a character or a specific location on the screen without using a keyboard, the location can be detected and processed by stored software. It is.
  • an image display device including a touch screen panel
  • a display portion refers to a portion where an image is displayed
  • a non-display portion refers to an edge portion where an image is not displayed.
  • the non-display unit is a top layer shown to the consumer, and a light blocking layer is formed so that the lower wiring is not visible to the user, and various patterns such as a company logo, an icon, and an IR pattern may be formed on the light blocking layer.
  • Such a pattern may be formed in the recessed groove portion formed in the light shielding layer, and conventionally, screen printing is mainly used.
  • a plurality of unit cells including a transparent electrode stack are formed on a large area cover window glass, and then cut into individual unit cells to manufacture a touch sensing electrode.
  • the printing method is not applicable due to the structural limitations of the plate making.
  • the mesh is stretched downward. In other words, the minimum gap needed to extend at the end of the frame is required.
  • the gap between the unit cells is set narrow for the process yield, and thus, when printing on the plurality of unit cells simultaneously, a plurality of plate making is required.
  • Korean Patent No. 1071683 discloses a touch window screen printing apparatus and method.
  • Patent Document 1 Korean Registered Patent No. 1071683
  • An object of the present invention is to provide a method for forming a non-display portion pattern having improved precision.
  • An object of the present invention is to provide a method of forming a non-display portion pattern applicable to a large area cover window glass having a plurality of unit cells.
  • a method of forming a non-display portion pattern by coating ink on a surface of a pad and pressing the pad to a recessed groove formed on a non-display portion of one surface of a cover window glass to transfer ink on the surface of the pad to the groove portion to form a pattern.
  • the pattern is an image, icon, logo or IR pattern, non-display pattern forming method.
  • the cover window glass is glass, polyethersulphone (PES, polyethersulphone), polyacrylate (PAR, polyacrylate), polyether imide (PEI, polyetherimide), polyethylene naphthalate (PEN, polyethyelenen napthalate ), Polyethylene terephthalate (PET, polyethyelene terepthalate), polyphenylene sulfide (PPS), polyallylate, polyimide, polycarbonate (PC, polycarbonate), cellulose triacetate (TAC) And cellulose acetate propionate (cellulose acetate propionate, CAP) is formed of at least one material selected from the group consisting of, non-display pattern forming method.
  • PES polyethersulphone
  • PAR polyacrylate
  • PEI polyether imide
  • PEN polyethylene naphthalate
  • PET polyethyelene terepthalate
  • PPS polyphenylene sulfide
  • polyallylate polyimide
  • PC polycarbonate
  • cover window glass is a transparent electrode laminate is formed on the display portion, non-display portion pattern forming method.
  • the non-display pattern forming method 8. In the above 1, wherein the ink has a viscosity of 500 to 10,000cps, the non-display pattern forming method.
  • non-display portion pattern forming method In the above 1, wherein the pad has an angle of 30 to 100 °, non-display portion pattern forming method.
  • the present invention can form a pattern having excellent precision.
  • a pattern can be formed even in a deeply recessed groove portion.
  • the present invention is also applicable to a large area cover window glass in which a plurality of unit cells are formed.
  • FIG. 1 is a perspective view of an image display apparatus (mobile phone) including a touch screen panel.
  • FIG. 2 illustrates a process of forming a non-display portion pattern of each unit cell in a cover window glass in which a plurality of unit cells are formed.
  • FIG 3 is a side view of a pad according to an embodiment of the present invention.
  • the present invention provides excellent precision by coating ink on the surface of the pad, compressing the pad onto a recessed groove formed on a non-display portion of one surface of the cover window glass, and transferring ink on the surface of the pad to the groove to form a pattern.
  • the present invention relates to a method of forming a non-display portion pattern that can be formed not only in a deeply recessed groove portion but also in a large area cover window glass in which a plurality of unit cells are formed.
  • the non-display portion refers to an edge portion where an image is not displayed in the image display apparatus.
  • This non-display portion is a top layer seen by the consumer, and the light shielding layer is formed so that the lower wiring and the like are not visible to the consumer.
  • a pattern such as an image, an icon, a logo, or an IR pattern may be formed on the non-display portion.
  • An IR pattern refers to a pattern of non-opaque portions through which light of a specific wavelength (eg, infrared light) for a sensor such as an illuminance sensor or a proximity sensor can pass.
  • the screen printing method was mainly used to form the non-display part pattern, which is mainly used to form a pattern having a thickness of about 8 ⁇ m, and when printing to the deeply recessed groove part, the internal bubble inside the recessed groove part at the time of printing. Is hard to escape, which may cause an unprinted portion inside the recessed groove.
  • the cover window glass in which such an unprinted portion exists is used for a display device, a problem occurs such that light passes through the unprinted portion and light leaks or a lower wiring is visually recognized.
  • a plurality of unit cells including a transparent electrode stack are formed on a large area cover window glass, and then cut into individual unit cells to manufacture a touch sensing electrode. For this reason, the distance between the unit cells is set to be narrow, so that the precision is inferior when forming a pattern by screen printing for each unit cell, and even when trying to print a plurality of unit cells at once by a large screen, There is a problem that the pattern is formed in the unwanted area.
  • ink is coated on the surface of the pad 100, and the pad 100 is pressed against the recessed groove portion 30 formed on the non-display portion of one surface of the cover window glass 10 to form a pad ( 100) the ink on the surface is transferred to the groove portion 30 to form a pattern.
  • a light blocking layer is formed on the non-display portion, and the engraved groove portion 30 is formed on the light blocking layer.
  • the depth of the recessed groove 30 is related to the thickness of the shielding layer, and when the shielding layer is formed thick for shielding, the recessed groove 30 may also be deeply formed.
  • the depth is not specifically limited, For example, it may be 2-30 micrometers.
  • a pattern may be formed on the groove portion 30 thickly engraved with 10 to 30 ⁇ m.
  • Examples of the pattern include an image, an icon, a logo, an IR pattern, and the like.
  • the cover window glass 10 according to the present invention is not particularly limited as long as it is applied to a touch screen panel and the like so as to be sufficiently durable to protect them from external forces, and to allow a user to see the display well.
  • the cover window glass 10 can be used without particular limitation.
  • glass polyethersulphone (PES), polyacrylate (PAR, polyacrylate), polyetherimide (PEI, polyetherimide), polyethylene naphthalate (PEN, polyethyelenen napthalate), polyethylene terephthalate (PET, polyethyelene) terepthalate, polyphenylene sulfide (PPS), polyallylate, polyimide, polycarbonate (PC, polycarbonate), cellulose tri acetate (TAC), cellulose acetate propionate propionate, CAP) may be formed of a material. These can be used individually or in mixture of 2 or more types.
  • a transparent electrode stack (not shown) may be formed on the display unit.
  • the cover window glass 10 including the transparent electrode stack is used for the touch screen panel as a glass-integrated touch sensing electrode.
  • the ink used to form the pattern is a conductor, so when the pattern is formed in another portion beyond the recessed groove portion 30, a short (although a problem such as a short) may occur, the present invention can form a pattern only at a portion having a precisely engraved groove 30 so that occurrence of such a problem can be suppressed.
  • the laminate structure of the transparent electrode laminate may be adopted without limitation the laminate structure known in the art according to the specific use of the touch screen panel.
  • an electrode pattern, an insulating layer, a BM, an index matching layer (transparent dielectric layer), a protective layer, a scattering prevention film, and the like may be used in at least one layer to form a stacked structure in various orders, but is not limited thereto. no.
  • the electrode pattern detects the static electricity generated by the human body when the finger touches the display unit, which is the touch area of the image sensor, and connects the electrical signal to the signal.
  • the conductive material used for forming the electrode pattern is not particularly limited, and for example, indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide (ZnO), indium zinc oxide (IZTO), and cadmium tin oxide (CTO). ), PEDOT (poly (3,4-ethylenedioxythiophene)), carbon nanotubes (CNT), metal wires, and the like. These can be used individually or in mixture of 2 or more types.
  • the metal used for a metal wire is not specifically limited, For example, silver (Ag), gold, aluminum, copper, iron, nickel, titanium, telenium, chromium, etc. are mentioned. These can be used individually or in mixture of 2 or more types.
  • An electrode pattern circuit may be formed on the non-display portion corresponding region of the electrode pattern.
  • the electrode pattern circuit serves to transfer an electrical signal generated in the electrode pattern to the FPCB, the IC chip, etc. by the touch of the display of the cover window glass 10.
  • the electrode pattern circuit may be formed of the same material as the electrode pattern by the same method.
  • the insulating layer prevents an electrical short of the electrode, and the material is not particularly limited.
  • the insulating layer may be formed of a metal oxide such as silicon oxide, a polymer, an acrylic resin, or the like.
  • the index matching layer may be formed including niobium oxide, silicon oxide, or a mixture thereof.
  • the protective layer serves to prevent contamination and breakage from the outside of the laminated structure including the electrode pattern.
  • the anti-scattering film protects the patterns and prevents the cover window glass 10 from being scattered when it is broken.
  • the material of the anti-scattering film is not particularly limited as long as it provides durability and is a transparent material, and may be, for example, polyethylen terephthalate (PET).
  • PET polyethylen terephthalate
  • the method of forming the anti-scattering film is not particularly limited, and for example, spin coating, roll coating, spray coating, dip coating, flow coating, doctor blade and dispensing (dispensing), inkjet printing, screen printing, pad printing, gravure printing, offset printing, flexography printing, stencil printing, imprinting methods, and the like.
  • a plurality of unit cells 20 including a transparent electrode stack may be formed.
  • FIG. 2 illustrates a process of forming a non-display portion pattern of each unit cell 20 in the cover window glass 30 in which the plurality of unit cells 20 are formed.
  • the ink may be transferred onto the pad 100 to form a pattern.
  • the material of the pad 100 according to the present invention is not particularly limited, and for example, rubber, silicone, glue, or the like can be used. It is possible to transfer the ink easily even in the deeply recessed groove having the appropriate strength.
  • the pad 100 may have an internal angle of 30 ° to 100 °.
  • an inner angle of a pad refers to an angle at a contact point following a bus bar of an outer peripheral surface of the pad.
  • the pattern may be formed so that the unprinted portion does not occur even in the thick groove portion 30 having a depth of 10 to 30 ⁇ m.
  • the ink used for forming the non-display portion pattern of the present invention is not particularly limited, and an ink including a colorant, a binder resin, an initiator, a solvent, and the like, which are commonly used in the art, may be used.
  • the ink according to the present invention preferably has a viscosity of 500 to 10,000 cps in terms of precision of pattern, thick pattern formation, and process efficiency, but is not limited thereto.

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Printing Methods (AREA)
PCT/KR2014/006469 2013-08-23 2014-07-17 비표시부 패턴 형성 방법 WO2015026062A1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2016533233A JP6282737B2 (ja) 2013-08-23 2014-07-17 非表示部のパターン形成方法
CN201480046706.XA CN105473341B (zh) 2013-08-23 2014-07-17 用于形成非显示部分的图案的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20130100141A KR20150022383A (ko) 2013-08-23 2013-08-23 비표시부 패턴 형성 방법
KR10-2013-0100141 2013-08-23

Publications (1)

Publication Number Publication Date
WO2015026062A1 true WO2015026062A1 (ko) 2015-02-26

Family

ID=52483809

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2014/006469 WO2015026062A1 (ko) 2013-08-23 2014-07-17 비표시부 패턴 형성 방법

Country Status (5)

Country Link
JP (1) JP6282737B2 (ja)
KR (1) KR20150022383A (ja)
CN (1) CN105473341B (ja)
TW (1) TW201508589A (ja)
WO (1) WO2015026062A1 (ja)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06134969A (ja) * 1992-10-23 1994-05-17 Nitto Giken Kk パッド印刷機
KR101033285B1 (ko) * 2010-09-13 2011-05-09 김동수 스크린 인쇄방식이 적용된 패드 인쇄기
KR101189547B1 (ko) * 2011-10-14 2012-10-11 에스제이티 주식회사 터치스크린의 금속배선 패턴 인쇄장치
US20130037308A1 (en) * 2011-08-12 2013-02-14 Wintek Corporation Reinforced glass cell and method for fabricating the same and cover glass having the reinforced glass cell
KR101252157B1 (ko) * 2011-03-30 2013-04-08 김영수 윈도우 글라스 인쇄장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1453142A (zh) * 2002-04-27 2003-11-05 鸿富锦精密工业（深圳）有限公司 便携式电子装置表面装饰方法
US8681128B2 (en) * 2011-10-14 2014-03-25 Elo Touch Solutions, Inc. Acoustic touch apparatus
KR20130066395A (ko) * 2011-12-12 2013-06-20 삼성전기주식회사 터치패널
CN203077821U (zh) * 2012-12-20 2013-07-24 东莞钜升塑胶电子制品有限公司 一种移印机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06134969A (ja) * 1992-10-23 1994-05-17 Nitto Giken Kk パッド印刷機
KR101033285B1 (ko) * 2010-09-13 2011-05-09 김동수 스크린 인쇄방식이 적용된 패드 인쇄기
KR101252157B1 (ko) * 2011-03-30 2013-04-08 김영수 윈도우 글라스 인쇄장치
US20130037308A1 (en) * 2011-08-12 2013-02-14 Wintek Corporation Reinforced glass cell and method for fabricating the same and cover glass having the reinforced glass cell
KR101189547B1 (ko) * 2011-10-14 2012-10-11 에스제이티 주식회사 터치스크린의 금속배선 패턴 인쇄장치

Also Published As

Publication number Publication date
KR20150022383A (ko) 2015-03-04
CN105473341B (zh) 2018-03-23
CN105473341A (zh) 2016-04-06
TW201508589A (zh) 2015-03-01
JP2016534443A (ja) 2016-11-04
JP6282737B2 (ja) 2018-02-21

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