KR102067931B1 - Manufacturing method of cover window using thin glass for smartphone - Google Patents

Manufacturing method of cover window using thin glass for smartphone Download PDF

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KR102067931B1
KR102067931B1 KR1020190058025A KR20190058025A KR102067931B1 KR 102067931 B1 KR102067931 B1 KR 102067931B1 KR 1020190058025 A KR1020190058025 A KR 1020190058025A KR 20190058025 A KR20190058025 A KR 20190058025A KR 102067931 B1 KR102067931 B1 KR 102067931B1
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South Korea
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glass
thin film
carrier
smoothing
thin
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KR1020190058025A
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Korean (ko)
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김태환
김경민
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주식회사 진우엔지니어링
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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/001—General methods for coating; Devices therefor
    • C03C17/002—General methods for coating; Devices therefor for flat glass, e.g. float glass
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
    • C03C17/32—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/3411—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials
    • C03C17/3429—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials at least one of the coatings being a non-oxide coating
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/10—Deposition methods
    • C03C2218/15—Deposition methods from the vapour phase
    • C03C2218/151—Deposition methods from the vapour phase by vacuum evaporation

Abstract

The present invention relates to a method for manufacturing a cover window for a smartphone using thin film glass. The present invention is provided to facilitate a printing process by easily maintaining and handling smoothness of thin film glass which is difficult to maintain smoothness of 0.02-0.2 mm. The cover window manufacturing method for a smartphone of the present invention comprises a thin film glass processing process, a glass AF coating process, a glass smoothness maintaining carrier adhesion process, a printing process, a glass protective film lamination process, a carrier separation process, and a glass protective film separation process. Therefore, the present invention has an effect of performing processes such as a printing process by attaching a smoothness maintaining carrier to thin film glass of 0.02-0.2 mm and thus, maintaining the smoothness of thin film glass, which is difficult to maintain smoothness, with convenient and safe treatment.

Description

박막글라스를 이용한 스마트폰용 커버윈도우 제조방법{MANUFACTURING METHOD OF COVER WINDOW USING THIN GLASS FOR SMARTPHONE}Manufacturing method of cover window for smartphone using thin glass {MANUFACTURING METHOD OF COVER WINDOW USING THIN GLASS FOR SMARTPHONE}

본 발명은 박막글라스를 이용한 스마트폰용 커버윈도우 제조방법에 관한 것으로서, 더욱 상세하게는 스마트폰용 커버윈도우 제조방법에 있어서, 0.02~0.2mm의 박막글라스를 글라스평활유지캐리어에 점착하여서, 0.02~0.2mm로 평활유지가 어려운 박막글라스의 평활을 유지와 취급이 용이하도록 하여 인쇄과정이 용이하도록 함을 목적으로 한 것이다.The present invention relates to a method for manufacturing a cover window for a smartphone using a thin glass, and more particularly, in a method for manufacturing a cover window for a smartphone, 0.02 ~ 0.2mm by adhering a thin glass of glass to the glass smoothing carrier, 0.02 ~ 0.2mm The purpose is to facilitate the printing process by making it easy to maintain and handle smooth thin film glass that is difficult to maintain smooth.

일반적으로, 스마트폰용 커버윈도우는 스마트폰의 디스플레이의 전면에 구비되어 디스플레이를 보호하고 디스플레이의 화상이 잘 투과될 수 있도록 하는 것이다.In general, the cover window for a smartphone is provided on the front of the display of the smartphone to protect the display and to allow the image of the display to be well transmitted.

이상과 같은 스마트폰용 커버윈도우는 평활이 유지되는 두께인 0.5~1.1mm로 글라스를 가공하고 상기 글라스를 지그에 삽입한 후 인쇄 및 AR코팅과 같은 작업을 실시하였다.Cover windows for smartphones as described above processed the glass to a thickness of 0.5 ~ 1.1mm that is maintained smooth and insert the glass into a jig and then carried out operations such as printing and AR coating.

그러나, 상기한 바와 같이 글라스의 두께가 0.5~1.1mm 스마트폰용 커버윈도우는 스마트폰의 박막화 특히 접어짐의 구현이 불가능한 문제점이 있었다.However, as described above, the thickness of the glass cover window for the smart phone 0.5 ~ 1.1mm, there was a problem that the implementation of the thinning of the smartphone, especially the folding is impossible.

대한민국 특허공개 제10-2019-0045730호Republic of Korea Patent Publication No. 10-2019-0045730

이에, 본 발명은 상기한 바와 같이 글라스의 두께 0.5~1.1mm 스마트폰용 커버윈도우는 스마트폰의 박막화 및 접어짐의 구현이 불가능한 문제점을 해결하고자 하는 것이다.Thus, the present invention is to solve the problem that the thickness of the glass cover window for smartphones 0.5 ~ 1.1mm as described above is impossible to implement the thinning and folding of the smartphone.

즉, 본 발명은 스마트폰용 커버윈도우 제조방법에 있어서; 글라스원판을 면삭을 통하여 0.02~0.2mm로 박막화 가공하는 박막글라스가공과정과 상기 박막글라스가공과정을 통하여 박막 가공된 박막글라스의 인쇄 반대면인 평활유지캐리어 부착면에 박막글라스의 외면 보호와 다음공정에 점착되는 평활유지캐리어의 용이한 박리를 위하여 AF소재 코팅에 의하여 AF코팅층을 형성하는 글라스AF코팅과정, 상기 글라스AF코팅과정을 통하여 형성된 박막글라스의 글라스AF층에 평활유지와 용이한 취급을 위한 글라스평활유지캐리어를 부착하는 글라스평활유지캐리어점착과정, 상기 글라스평활유지캐리어점착과정을 통하여 글라스평화유지캐리어에 점착되어 평활이 유지되고 취급이 용이하게 된 박막글라스의 전면에 인쇄를 통하여 인쇄부를 형성하는 인쇄과정, 상기 인쇄과정 후 박막글라스의 상면에 글라스평활유지캐리어의 분리과정에 손상되지 않게 글라스보호필름을 합지하는 글라스보호필름합지과정, 상기 글라스보호필름합지과정을 통하여 박막글라스의 전면에 글라스보호필름이 합지 보호된 박막글라스 하면에서 글라스평활유지캐리어를 분리하는 캐리어분리과정 및 상기 박막글라스의 전면에 합지된 글라스보호필름을 제거하는 글라스보호필름분리과정으로 이루어진 것을 특징으로 하는 것이다.That is, the present invention provides a method for manufacturing a cover window for a smartphone; Thin film glass processing to thin the glass disc to 0.02 ~ 0.2mm through the surface grinding and the outer surface protection of the thin film glass on the surface of the carrier for attaching the smooth surface to the smooth surface of the thin film processed through the thin glass processing A glass AF coating process for forming an AF coating layer by AF material coating for easy peeling of the smoothing carrier adhered to the glass for smoothing and easy handling on the glass AF layer of the thin film glass formed through the glass AF coating process. The printing part is formed by printing on the front surface of the thin film glass, which is adhered to the glass flattening carrier through the glass smoothing carrier adhesion process and the glass smoothing carrier adhesion process which adheres the glass smoothing maintenance carrier to maintain smoothness and easy handling. Printing process, glass smoothing retainer on the upper surface of the thin film glass after the printing process Glass protective film lamination process for laminating the glass protective film so as not to damage the separation process of the glass, glass smoothing carrier is separated from the lower surface of the thin film glass with the glass protective film laminated on the front of the thin film glass through the glass protective film lamination process Carrier separation process and the glass protective film separation process for removing the glass protective film laminated on the front surface of the thin film glass.

따라서, 본 발명은 0.02~0.2mm의 박막글라스에 평활유지캐리어에 점착함으로써, 평활유지가 어려운 박막글라스의 평활도를 유지하며 편리하고 안전하게 취급하여 인쇄과정과 같은 가공이 이루어지는 효과를 갖는 것이다.Therefore, the present invention has the effect of processing such as printing process by maintaining the smoothness of the thin glass glass difficult to smooth smoothly and handled conveniently and safely by adhering to the smooth glass carrier on 0.02 ~ 0.2mm thin film glass.

도 1 및 2는 본 발명의 실시 예를 보인 박막글라스를 이용한 스마트폰용 커버윈도우 제조방법을 보인 도면.
도 3은 본 발명의 다른 실시 예를 보인 박막글라스를 이용한 스마트폰용 커버윈도우 제조방법을 보인 도면.
도 4 및 도 5는 본 발명의 또 다른 실시 예를 보인 박막글라스를 이용한 스마트폰용 커버윈도우 제조방법을 보인 도면.1 and 2 is a view showing a method for manufacturing a cover window for a smartphone using a thin film showing an embodiment of the present invention.
3 is a view showing a method for manufacturing a cover window for a smart phone using a thin film showing another embodiment of the present invention.
4 and 5 is a view showing a method for manufacturing a cover window for a smart phone using a thin film showing another embodiment of the present invention.

이하, 첨부된 도면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, described in detail by the accompanying drawings as follows.

본 발명은 평활유지가 어려운 박막커버윈도우의 평활도를 유지하며 용이하게 취급하여 가공할 수 있도록 한 것으로서, 본 명세서 및 청구범위에 사용된 용어나 단어는 통상적이거나 사전적인 의미로 한정해서 해석되어서는 아니 되며, 발명자는 그 자신의 발명을 가장 최선의 방법으로 설명하기 위해 용어의 개념을 적절하게 정의할 수 있다는 원칙에 입각하여 본 발명의 기술적 사상에 부합하는 의미와 개념으로 해석되어야만 한다.The present invention is to maintain the smoothness of the thin film cover window difficult to maintain smoothness and to be easily handled and processed, the terms or words used in the specification and claims are not to be construed as limiting in a conventional or dictionary meaning. The inventor should be interpreted as meanings and concepts corresponding to the technical idea of the present invention based on the principle that the concept of terms can be properly defined in order to explain his invention in the best way.

따라서, 본 명세서에 기재된 실시 예와 도면에 도시된 구성은 본 발명의 가장 바람직한 일 실시 예에 불과할 뿐이고, 본 발명의 기술적 사상을 모두 대변하는 것은 아니므로, 본 출원시점에 있어서 이들을 대체할 수 있는 다양한 균등물과 변형 예들이 있을 수 있음을 이해하여야 한다.Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention, and do not represent all of the technical idea of the present invention, which can be replaced at the time of the present application It should be understood that there may be various equivalents and variations.

즉, 본 발명은 스마트폰용 커버윈도우 제조방법에 있어서, 박막글라스가공과정(110)과 글라스AF코팅과정(120), 글라스평활유지캐리어점착과정(130), 인쇄과정(140), 글라스보호필름합지과정(150), 캐리어분리과정 및 글라스보호필름분리과정(170)으로 이루어진 것이다.That is, the present invention is a method for manufacturing a cover window for a smartphone, thin glass processing process 110 and glass AF coating process 120, glass smoothing carrier adhesion process 130, printing process 140, glass protective film lamination Process 150, the carrier separation process and the glass protective film separation process 170 is made up.

여기서, 상기 박막글라스가공과정(110)은 글라스원판을 면삭을 통하여 0.02~0.2mm로 박막화 가공하는 것이다.Here, the thin glass processing process 110 is a thin film processing to 0.02 ~ 0.2mm through the surface of the glass disc.

그리고, 상기 글라스AF코팅과정(120)은 박막글라스가공과정(110)을 통하여 박막 가공된 박막글라스(1)의 인쇄 반대면인 평활유지캐리어 부착면에 박막글라스(1)의 외면 보호와 다음공정에 점착되는 평활유지캐리어의 용이한 박리를 위하여 AF소재 코팅에 의하여 AF코팅층(2)을 형성하는 것이다.In addition, the glass AF coating process 120 protects the outer surface of the thin film glass 1 and the next process on the surface of the carrier for attaching the smooth surface of the thin film glass 1 processed through the thin film glass process 110. The AF coating layer 2 is formed by AF material coating for easy peeling of the smoothing carrier adhered to the film.

상기 글라스AF(Anti Finger Coat)코팅과정은 진공 증착 방식(E-Beam)에 의하여 SiO2물질을 글라스 표면에 50~200Å 코팅후 불소계열 폴리머를 100~300Å 코팅 처리하여 이루어지는 것이다.The glass AF coating process is performed by coating a SiO 2 material on the surface of the glass by 50 to 200 μs by vacuum deposition (E-Beam) and then coating the fluorine-based polymer to 100 to 300 μs.

또한, 상기 글라스평활유지캐리어점착과정(130)은 글라스AF코팅과정(120)을 통하여 형성된 박막글라스(1)의 글라스AF층에 평활유지와 용이한 취급을 위한 글라스평활유지캐리어(3)를 부착하는 것이다.In addition, the glass smoothing carrier adhesion process 130 is attached to the glass smoothing carrier (3) for smooth maintenance and easy handling on the glass AF layer of the thin film glass (1) formed through the glass AF coating process (120) It is.

상기 글라스평활유지캐리어(3)는 0.05~0.3㎜의 두께를 가져 박막글라스(1)와 점착에 의하여 0.07~0.5mm의 평활유지두께를 확보하며, PET 또는 PE류 소재로 구성되고 점착제는 아크릴 계열 또는 실리콘 계열 사용되고 점착력은 100~400gf/inch를 갖는 것이다.The glass smoothing carrier (3) has a thickness of 0.05 ~ 0.3㎜ to ensure a smooth maintenance thickness of 0.07 ~ 0.5mm by the thin film glass (1) and the adhesion, consisting of PET or PE material and the adhesive is acrylic Or silicone series is used and the adhesive force is to have a 100 ~ 400gf / inch.

상기 글라스평활유지캐리어(3)는 박막글라스(1)의 측면을 보호할 수 있게 박막글라스(1)보다 넓은 면적으로 형성하고, 상기 글라스평활유지캐리어(3)의 테두리 상면에 박막글라스(1)의 측면을 보호하는 글라스라이너(3a)를 구비하여 실시할 수 있는 것이다.The glass smoothing carrier 3 is formed to have a larger area than the thin glass 1 so as to protect the side surface of the thin glass 1, and the thin glass 1 is formed on the upper surface of the edge of the glass smoothing carrier 3. It can be carried out with a glass liner (3a) to protect the side of the.

한편, 상기 글라스평활유지캐리어점착과정(130) 후 점착된 글라스평활유지캐리어(3)가 박막글라스(1)에 긴밀하게 점착되게 미세 기포를 제거하여 이물질이 유입되지 않게 하는 기포제거과정(131)이 이루어지게 실시할 수 있는 것이다.On the other hand, after the glass smoothing carrier adhesion process 130, the glass smoothing carrier (3) adhered to the thin film glass (1) to remove the fine bubbles to remove the bubbles to remove the foreign matter does not enter the bubble removal process (131) This can be done.

상기 기포제거과정(131)은 기포로 인하여 박막글라스(1) 깨짐과 파손이 발생하며 이물 유입 경로를 차단할 수 있게 30~50℃온도에서 5~9kg/cm2의 압력으로 30~60분동안 글라스평활유지캐리어(3)를 가압하여 이루어지는 것이다. The bubble removing process 131 is broken and damaged due to the bubble thin film (1) glass breakage for 30 to 60 minutes at a pressure of 5 ~ 9kg / cm 2 at a temperature of 30 ~ 50 ℃ to block the foreign material inflow path It is made by pressing the smoothing carrier 3.

또한, 상기 인쇄과정(140)은 글라스평활유지캐리어점착과정(130)을 통하여 글라스평화유지캐리어에 점착되어 평활이 유지되고 취급이 용이하게 된 박막글라스(1)의 전면에 인쇄를 통하여 인쇄부(4)를 형성하는 것이다.In addition, the printing process 140 is adhered to the glass flattening carrier through the glass smoothing carrier adhesion process 130 to maintain the smoothness and easy handling, the printing unit (printing through the printing on the front (1) 4) to form.

상기 인쇄과정(140)의 인쇄부(4)는 바탕인쇄 및 로고, 센서류 등을 각인 인쇄 등으로 구성되는 것으로서, 인쇄단계와 건조단계로 이루어지는 것이다.The printing unit 4 of the printing process 140 is composed of a background print, a logo, a sensor, and the like imprinted printing, it consists of a printing step and a drying step.

상기 건조단계는 100~150℃의 온도의 열풍으로 30~60분동안 이루어지는 것이다. The drying step is made for 30 to 60 minutes with hot air at a temperature of 100 ~ 150 ℃.

또한, 상기 글라스보호필름합지과정(150)은 AR코팅과정(180)을 통하여 AR코팅층(5)이 형성된 박막글라스(1)의 상면에 글라스평활유지캐리어(3)의 분리과정에 손상되지 않게 글라스보호필름(6)을 합지하는 것이다.In addition, the glass protective film lamination process 150 is a glass so as not to be damaged by the separation process of the glass smoothing carrier 3 on the upper surface of the thin film glass 1, the AR coating layer 5 is formed through the AR coating process 180 The protective film 6 is laminated.

상기 글라스보호필름합지과정(150)의 글라스보호필름(6)은 0.05~0.1㎜ 두께의 PET 또는 PE류가 사용되며, 점착제는 10~50gf/inch의 점착력을 갖는 아크릴 계열 소재 실리콘 계열이 사용되는 것이다.Glass protective film 6 of the glass protective film lamination process 150 is used PET or PE of the thickness of 0.05 ~ 0.1㎜, the pressure-sensitive adhesive is silicone based acrylic material having an adhesive force of 10 ~ 50gf / inch will be.

또한, 상기 캐리어분리과정은 글라스보호필름합지과정(150)을 통하여 박막글라스(1)의 전면에 글라스보호필름(6)이 합지 보호된 박막글라스(1) 하면에서 글라스평활유지캐리어(3)를 분리하는 것이다.In addition, the carrier separation process is carried out through the glass protective film lamination process 150 to remove the glass smoothing carrier (3) from the lower surface of the thin film glass (1), the glass protective film 6 is laminated protection on the front of the thin film glass (1) To separate.

상기 캐리어분리과정은 평평한 지그에 박막글라스(1)의 글라스보호필름(6)면이 위치하게 하고 글라스평활유지캐리어(3)를 한쪽 끝에서부터 벋겨 제거하는 것이다.In the carrier separation process, the glass protective film 6 surface of the thin film glass 1 is positioned on the flat jig and the glass smoothing carrier 3 is removed from one end.

또한, 상기 글라스보호필름분리과정(170)은 박막글라스(1)의 전면에 합지된 글라스보호필름(6)을 제거하는 것이다.In addition, the glass protective film separation process 170 is to remove the glass protective film 6 laminated on the front of the thin film glass (1).

한편, 본 발명의 실시에 있어서, 상기 인쇄과정(140) 후 박막글라스(1)의 인쇄면 측에 AR코팅층(5)을 형성하는 AR코팅과정(180)을 실시할 수 있는 것이다.Meanwhile, in the practice of the present invention, after the printing process 140, the AR coating process 180 for forming the AR coating layer 5 on the printing surface side of the thin film glass 1 may be performed.

상기 AR코팅과정(180)은 인쇄과정(140)을 통하여 인쇄가 이루어지지 않아 광이 투과되는 박막글라스(1)에 표면에 광투광성 향상을 위하여 AR소재를 코팅한 AR코팅층(5)을 형성하는 것이다.The AR coating process 180 is not printed through the printing process 140 to form an AR coating layer 5 coated with an AR material to improve the light transmittance on the surface of the thin film glass 1 through which light is transmitted. will be.

상기 AR코팅과정(180)은 AR코팅면을 세척하는 세정단계(181)와 AR코팅을 하는 AR코팅단계(182)로 이루어지는 것이다.The AR coating process 180 is composed of a cleaning step 181 for washing the AR coating surface and an AR coating step 182 for AR coating.

상기 AR코팅과정(180)은 진공 증착 방식(E-Beam)에 의하여 SiO2와 Ti3O5를 4~5층으로 증착하여 300~700Å 두께를 갖게 형성하여 광투과율이 91.5%에서 95%이상으로 상승되게 하는 것이다.The AR coating process 180 is formed by depositing SiO 2 and Ti 3 O 5 in 4 to 5 layers by a vacuum deposition method (E-Beam) to have a thickness of 300 ~ 700Å by more than 95% light transmittance at 91.5% To rise.

이하, 본 발명의 적용실시에 따른 작용효과에 대하여 설명하면 다음과 같다.Hereinafter, the operational effects of the application of the present invention will be described.

상기한 바와 같이 스마트폰용 커버윈도우 제조방법에 있어서; 글라스원판을 면삭을 통하여 로 박막화 가공하는 박막글라스가공과정(110)과 상기 박막글라스가공과정(110)을 통하여 박막 가공된 박막글라스(1)의 인쇄 반대면인 평활유지캐리어 부착면에 박막글라스(1)의 외면 보호와 다음공정에 점착되는 평활유지캐리어의 용이한 박리를 위하여 AF소재 코팅에 의하여 AF코팅층(2)을 형성하는 글라스AF코팅과정(120), 상기 글라스AF코팅과정(120)을 통하여 형성된 박막글라스(1)의 글라스AF층에 평활유지와 용이한 취급을 위한 글라스평활유지캐리어(3)를 부착하는 글라스평활유지캐리어점착과정(130), 상기 글라스평활유지캐리어점착과정(130)을 통하여 글라스평화유지캐리어에 점착되어 평활이 유지되고 취급이 용이하게 된 박막글라스(1)의 전면에 인쇄를 통하여 인쇄부(4)를 형성하는 인쇄과정(140), 상기 인쇄과정(140) 후 박막글라스(1)의 상면에 글라스평활유지캐리어(3)의 분리과정에 손상되지 않게 글라스보호필름(6)을 합지하는 글라스보호필름합지과정(150), 상기 글라스보호필름합지과정(150)을 통하여 박막글라스(1)의 전면에 글라스보호필름(6)이 합지 보호된 박막글라스(1) 하면에서 글라스평활유지캐리어(3)를 분리하는 캐리어분리과정 및 상기 박막글라스(1)의 전면에 합지된 글라스보호필름(6)을 제거하는 글라스보호필름분리과정(170)으로 이루어진 본 발명을 적용하여 실시하게 되면, 스마트폰의 초박막화와 초박막화를 통한 구부러짐의 구현을 위한 0.02~0.2mm 두께 박막글라스(1)를 글라스평활유지캐리어(3)의 점착을 통하여 0.07~0.5mm의 평활유지 두께를 확보하여서 평활도를 유지하며 용이하게 취급하면서 인쇄과정(140)과 같은 가공이 용이하게 이루어지는 것이다.In the method for manufacturing a cover window for a smartphone as described above; The thin glass glass processing process 110 for thinning the glass disc through the thin film processing through thin film processing and the thin film glass on the surface of the flattened carrier which is the opposite surface of the thin film glass 1 processed through the thin film glass processing process 110 The glass AF coating process 120 and the glass AF coating process 120 for forming the AF coating layer 2 by AF material coating for the outer surface protection of 1) and easy peeling of the smoothing carrier adhered to the next process are performed. A glass smoothing carrier adhesion process 130 for attaching a glass smoothing carrier 3 for smooth maintenance and easy handling to the glass AF layer of the thin film glass 1 formed through the glass smoothing carrier adhesion process 130 After the printing process 140 and the printing process 140 to form a printing unit 4 by printing on the front surface of the thin film glass 1 is adhered to the glass flattening carrier through the smooth and easy to handle foil The glass protective film lamination process 150 and the glass protective film lamination process 150 for laminating the glass protective film 6 so as not to be damaged by the separation process of the glass smoothing maintenance carrier 3 on the upper surface of the film glass 1 are performed. Carrier separation process to separate the glass smoothing carrier (3) from the lower surface of the thin film glass (1) that the glass protective film (6) is laminated on the front of the thin film glass 1 through the laminated glass on the front of the thin glass (1) When applied to the present invention made of a glass protective film separation process 170 to remove the glass protective film 6, 0.02 ~ 0.2mm thick thin film for the implementation of bending through ultra-thin and ultra-thin film of the smartphone Through the adhesion of the glass smoothing carrier (3) to the glass (1) to ensure a smooth holding thickness of 0.07 ~ 0.5mm to maintain smoothness and easy handling, such as the printing process 140 is made easily.

한편, 본 발명의 실시에 있어, 상기 글라스평활유지캐리어점착과정(130) 후 기포제거과정(131)을 실시하게 되면, 점착된 글라스평활유지캐리어(3)와 박막글라스(1)의 미세기포가 제거되어 상기 글라스평활유지캐리와 박막글라스(1)가 긴밀하게 점착되어 미세 기포로 인한 박막글라스(1) 깨짐고 파손이 방지되고 이물 유입 경로가 차단되는 것이다.On the other hand, in the practice of the present invention, if the bubble removal process 131 is carried out after the glass smoothing carrier adhesion process 130, the micro-bubbles of the adhered glass smoothing carrier 3 and the thin film glass 1 The glass smoothing carry and the thin glass 1 are closely adhered to each other so that the thin glass 1 is broken due to microbubbles and the breakage is prevented and foreign material inflow paths are blocked.

또한, 본 발명의 실시에 있어, 상기 인쇄과정(140) 후 박막글라스(1)의 인쇄면 측에 AR코팅층(5)을 형성하는 AR코팅과정(180)을 실시하게 되면, 광투과율이 91.5%에서 95%이상으로 상승되게 되는 것이다.In addition, in the practice of the present invention, if the AR coating process 180 for forming the AR coating layer 5 on the printing surface side of the thin film glass 1 after the printing process 140, the light transmittance is 91.5% Will rise above 95%.

또한, 본 발명의 실시에 있어, 상기 글라스평활유지캐리어(3)를 박막글라스(1)보다 넓은 면적으로 형성하고 글라스평활유지캐리어(3)의 테두리에 글라스라이너(3a)를 구비하여 실시하게 되면, 가공과정에 글라스의 측면이 보호되는 것이다.In addition, in the practice of the present invention, when the glass smoothing carrier 3 is formed to have a larger area than the thin film glass 1, and the glass smoothing carrier 3 is provided with the glass liner 3a at the edge of the glass smoothing carrier 3, The side of the glass is protected during processing.

1 : 박막글라스 2 : AF코팅층
3 : 글라스평활유지캐리어 3a: 글라스라이너
4 : 인쇄부 5 : AR코팅층
6 : 글라스보호필름
110 : 박막글라스가공과정
120 : 글라스AF코팅과정
130 : 글라스평활유지캐리어점착과정
131 : 기포제거과정
140 : 인쇄과정
150 : 글라스보호필름합지과정
160 : 캐리어분리과정
170 : 글라스보호필름분리과정
180 : AR코팅과정
181 : 세정단계 182 : AR코팅단계1: Thin film glass 2: AF coating layer
3: glass smoothing carrier 3a: glass liner
4 printed part 5 AR coating layer
6: glass protective film
110: thin film glass processing process
120: Glass AF coating process
130: glass smoothing carrier adhesion process
131: bubble removal process
140: printing process
150: glass protective film lamination process
160: carrier separation process
170: glass protective film separation process
180: AR coating process
181: cleaning step 182: AR coating step

Claims (5)

스마트폰용 커버윈도우 제조방법에 있어서;
글라스원판을 면삭을 통하여 0.02~0.2mm로 박막화 가공하는 박막글라스가공과정과 상기 박막글라스가공과정을 통하여 박막 가공된 박막글라스의 인쇄 반대면인 평활유지캐리어 부착면에 박막글라스의 외면 보호와 다음공정에 점착되는 평활유지캐리어의 용이한 박리를 위하여 AF소재 코팅에 의하여 AF코팅층을 형성하는 글라스AF코팅과정, 상기 글라스AF코팅과정을 통하여 형성된 박막글라스의 글라스AF층에 평활유지와 용이한 취급을 위한 글라스평활유지캐리어를 부착하는 글라스평활유지캐리어점착과정, 상기 글라스평활유지캐리어점착과정을 통하여 글라스평화유지캐리어에 점착되어 평활이 유지되고 취급이 용이하게 된 박막글라스의 전면에 인쇄를 통하여 인쇄부를 형성하는 인쇄과정, 상기 인쇄과정 후 박막글라스의 상면에 글라스평활유지캐리어의 분리과정에 손상되지 않게 글라스보호필름을 합지하는 글라스보호필름합지과정, 상기 글라스보호필름합지과정을 통하여 박막글라스의 전면에 글라스보호필름이 합지 보호된 박막글라스 하면에서 글라스평활유지캐리어를 분리하는 캐리어분리과정 및 상기 박막글라스의 전면에 합지된 글라스보호필름을 제거하는 글라스보호필름분리과정으로 이루어지되;
상기 글라스평활유지캐리어는 0.05~0.3㎜의 두께를 가져 박막글라스와 점착에 의하여 0.07~0.5mm의 평활유지두께를 확보하며, PET 또는 PE류 소재로 구성되고 점착제는 아크릴 계열 또는 실리콘 계열 사용되고 점착력은 100~400gf/inch를 갖게 이루어지며;
상기 글라스평활유지캐리어는 박막글라스의 측면을 보호할 수 있게 박막글라스보다 넓은 면적으로 형성하고, 상기 글라스평활유지캐리어의 테두리 상면에 박막글라스의 측면을 보호하는 글라스라이너를 구비하여 이루어지고;
상기 캐리어분리과정은 평평한 지그에 박막글라스의 글라스보호필름면이 위치하게 하고 글라스평활유지캐리어를 한쪽 끝에서부터 벋겨 제거하여 이루어진 것을 특징으로 하는 박막글라스를 이용한 스마트폰용 커버윈도우 제조방법.
In the cover window manufacturing method for a smart phone;
Thin film glass processing to thin the glass disc to 0.02 ~ 0.2mm through the surface grinding and the outer surface protection of the thin film glass on the surface of the carrier for attaching the smooth surface to the smooth surface of the thin film processed through the thin glass processing A glass AF coating process for forming an AF coating layer by AF material coating for easy peeling of the smoothing carrier adhered to the glass for smoothing and easy handling on the glass AF layer of the thin film glass formed through the glass AF coating process. The printing part is formed by printing on the front surface of the thin film glass, which is adhered to the glass flattening carrier through the glass smoothing carrier adhesion process and the glass smoothing carrier adhesion process which adheres the glass smoothing maintenance carrier to maintain smoothness and easy handling. Printing process, glass smoothing retainer on the upper surface of the thin film glass after the printing process Glass protective film lamination process for laminating the glass protective film so as not to damage the separation process of the glass, glass smoothing carrier is separated from the lower surface of the thin film glass with the glass protective film laminated on the front of the thin film glass through the glass protective film lamination process Carrier separation process and the glass protective film separation process for removing the glass protective film laminated on the front of the thin film glass;
The glass smoothing carrier has a thickness of 0.05 to 0.3 mm to secure a smooth holding thickness of 0.07 to 0.5 mm by thin glass and adhesion. The glass smoothing carrier is made of PET or PE material, and the adhesive is acrylic or silicone based and the adhesive strength is 100 to 400 gf / inch;
The glass smoothing carrier is formed with a larger area than the thin film glass to protect the side of the thin film glass, and is provided with a glass liner to protect the side of the thin film glass on the upper surface of the edge of the glass smoothing carrier;
The carrier separation process is a method for manufacturing a cover window for a smartphone using a thin glass, characterized in that the glass protective film surface of the thin film glass is placed on a flat jig and the glass smoothing carrier is removed from one end.
제 1 항에 있어서;
상기 인쇄과정 후 박막글라스의 인쇄면 측에 AR코팅층을 형성하는 AR코팅과정이 이루어진 것을 특징으로 하는 박막글라스를 이용한 스마트폰용 커버윈도우 제조방법.
The method of claim 1;
Method of manufacturing a cover window for a smart phone using a thin glass, characterized in that the AR coating process to form an AR coating layer on the printing surface side of the thin film after the printing process.
제 2 항에 있어서;
상기 AR코팅과정은 인쇄과정을 통하여 인쇄가 이루어지지 않아 광이 투과되는 박막글라스에 표면에 광투광성 향상을 위하여 AR소재를 코팅한 AR코팅층을 형성하여 이루어진 것을 특징으로 하는 박막글라스를 이용한 스마트폰용 커버윈도우 제조방법.The method of claim 2;
The AR coating process is a cover for a smartphone using a thin film glass formed by forming an AR coating layer coated with an AR material to improve the light transmittance on the surface of the thin glass glass through which the printing is not made through the printing process to transmit light Windows manufacturing method. 제 1 항에 있어서;
상기 글라스평활유지캐리어점착과정 후 점착된 글라스평활유지캐리어가 박막글라스에 점착되게 미세 기포를 제거하여 이물질이 유입되지 않게 하는 기포제거과정이 이루어진 것을 특징으로 하는 박막글라스를 이용한 스마트폰용 커버윈도우 제조방법.
The method of claim 1;
Method for manufacturing a cover window for a smartphone using a thin film glass, characterized in that the bubble smoothing carrier adheres to the thin film glass to remove the fine bubbles so that foreign matter does not enter the glass smooth holding carrier after the glass smoothing carrier adhesion process .
제 4 항에 있어서;
상기 기포제거과정은 기포로 인하여 박막글라스 깨짐과 파손이 발생하며 이물 유입 경로를 차단할 수 있게 30~50℃온도에서 5~9kg/cm2의 압력으로 30~60분동안 글라스평활유지캐리어를 가압하여 이루어진 것을 특징으로 하는 박막글라스를 이용한 스마트폰용 커버윈도우 제조방법.
The method of claim 4;
The bubble removing process causes the glass thin film glass to break and break due to bubbles and pressurizes the glass smoothing carrier for 30 to 60 minutes at a pressure of 5 to 9 kg / cm 2 at a temperature of 30 to 50 ° C. to block foreign material inflow paths. Cover window manufacturing method for a smartphone using a thin glass, characterized in that made.
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CN112919824A (en) * 2021-03-24 2021-06-08 芜湖长信科技股份有限公司 Ultrathin flexible cover plate and preparation method thereof
CN113145415A (en) * 2021-04-26 2021-07-23 芜湖长信新型显示器件有限公司 Surface coating method of ultrathin flexible glass

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CN112919824A (en) * 2021-03-24 2021-06-08 芜湖长信科技股份有限公司 Ultrathin flexible cover plate and preparation method thereof
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