WO2021017076A1 - 带圆偏光与触摸屏功能的可折叠超薄玻璃盖板与制作方法 - Google Patents

带圆偏光与触摸屏功能的可折叠超薄玻璃盖板与制作方法 Download PDF

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WO2021017076A1
WO2021017076A1 PCT/CN2019/103001 CN2019103001W WO2021017076A1 WO 2021017076 A1 WO2021017076 A1 WO 2021017076A1 CN 2019103001 W CN2019103001 W CN 2019103001W WO 2021017076 A1 WO2021017076 A1 WO 2021017076A1
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thin glass
ultra
touch screen
nano
circular polarization
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PCT/CN2019/103001
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English (en)
French (fr)
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赖耀升
金渶桓
江建志
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恩利克（浙江）智能装备有限公司
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/40—OLEDs integrated with touch screens

Definitions

  • the invention belongs to the field of mobile phone folding display screens, and more specifically relates to a foldable ultra-thin glass cover plate with circular polarization and touch screen functions and a manufacturing method.
  • the indispensable flexible screen in folding screen mobile phones not only has super portability, but also has the advantages of high resolution, high brightness, and low energy consumption.
  • mobile phones using this technology can not only provide high image quality, but also expand battery space. To further enhance battery life.
  • the protective cover is made of transparent plastic material, which has insufficient hardness and is prone to creases.
  • the protective cover of the outer layer of the flexible OLED display panel must also be foldable.
  • the glass cover is placed on the OLED panel.
  • the cover and the panel layer There are some other functional layers between the cover and the panel layer, such as polarizers and touch screens.
  • Chinese patent 201920901725.6 relates to a foldable glass cover, but does not involve the function of the touch screen.
  • the traditional method of touch screen is to first complete the touch circuit on the PET film, and then use optical glue to bond to the glass cover or OLED panel Above:
  • the polarizer used for OLED must be a circular polarizer, which is composed of a polarizer and a 1/4 ⁇ retardation film to achieve circular polarization.
  • the traditional method is to laminate the circular polarizer separately. If you encounter a folded OLED panel, this method of pasting the touch screen and the circular polarizer directly makes the thickness of the entire folded display thicker, and the touch screen and the circular polarizer are folded It is easy to shift with the OLED panel when it is not conducive to screen folding.
  • the outward-folding screen phones are like Huawei Mate X, the screen is outside, compared with the inward-folding phones, the folding angle of the outward-folding screen is relatively large), the requirements for screen folding are particularly high.
  • Traditional touch screens are thick and difficult to fold, and the touch screen is prone to offset from the glass cover or the OLED panel.
  • the present invention provides a thinner, printing and coating method to cover the functional layer, which not only combines the functions of touch screen and circular polarization, but also saves optical glue, PET film, and traditional
  • the thickness of the circular polarizer substrate and the bonding process integrate the functions of circular polarizer and touch screen with the glass cover, making the glass cover with circular polarizer and touch screen function easier to fold without creases.
  • a foldable ultra-thin glass cover plate with circular polarization and touch screen functions including ultra-thin glass
  • an ink frame is printed under the ultra-thin glass
  • an ink frame is coated under the ink frame.
  • An explosion-proof layer is arranged, a nano-scale WGP polarizer is printed under the explosion-proof layer, a 1/4 ⁇ phase difference film is coated under the nanoscale WGP polarizer, and a touch circuit layer is printed under the 1/4 ⁇ phase difference film.
  • the material of the nano-scale WGP polarizer is nano-silver.
  • the explosion-proof layer is a transparent resin coating.
  • a plurality of strip-shaped grooves are arranged on the transparent resin coating, and the nano-level WGP polarizer is printed in the grooves.
  • the touch circuit layer is a nano silver touch circuit layer.
  • the touch circuit layer is an ITO touch circuit layer.
  • the thickness of the ultra-thin glass is 30-100 microns
  • the thickness of the ink frame is 6-8 microns
  • the thickness of the explosion-proof layer is 30-60 microns.
  • an anti-fouling coating is provided on the ultra-thin glass.
  • a manufacturing method of a foldable ultra-thin glass cover plate with circular polarization and touch screen functions including the following steps:
  • the required ink frame is printed by gravure printing, and the thickness of the ink frame is 6-8 microns;
  • the lower surface of the ink frame is coated with a transparent resin coating with a thickness of 30-60 microns;
  • a layer of nano-level WGP polarizer is printed on the lower surface of the transparent resin coating.
  • the specific process is as follows: First, use a mold with a stripe-shaped convex structure and apply nano-imprint technology to coat the transparent resin. A groove is formed on the layer; secondly, only the groove part is filled with metal ink by using a blade; finally, a metal grid WGP polarizer is fired using an oven;
  • the glass cover provided by this solution adopts the printing method of nano-level WGP polarizer to print the polarizer on the body of the glass cover to achieve linear polarization, and then use a coating method to coat a layer of 1/4 ⁇ phase Differential film to realize the circular polarization function.
  • the body of the glass cover is the part that removes the circular polarization.
  • the touch layer is printed on the glass cover by nano-silver printing, which does not require optical glue adhesion, which combines the touch screen and
  • the function of circular polarization, and the thickness and bonding process of the optical glue, PET film, and traditional circular polarizer substrate are omitted, so that the functions of the circular polarization and the touch screen are integrated with the glass cover, so that the circular polarization and the touch screen are integrated.
  • the functional glass cover is easier to fold; the bendable angle of the glass cover is effectively reduced, and the touch layer and the glass cover will not be offset after bending, and there is no crease, especially suitable for mobile phones with internal folding screens Or use of electronic equipment;
  • the ink frame printed by the gravure printing device can be printed with various frame colors such as blue and gold, and can be applied to mobile phones of different colors;
  • This application has no optical adhesive layer, no PET layer, and no traditional circular polarizer substrate, so the folding angle is small.
  • FIG. 1 is a schematic diagram of the structure of a foldable ultra-thin glass protective cover with circular polarization and touch screen functions of the present invention
  • FIG. 2 is a schematic diagram of the manufacturing process of the nano-scale WGP polarizer in the present invention.
  • FIG. 3 is a schematic diagram of the structure of the intaglio pad printing device used in the present invention.
  • orientation words if there are the terms “center”, “horizontal (X)”, “longitudinal (Y)”, “vertical (Z)", “length”, “ “Width”, “Thickness”, “Top”, “Bottom”, “Front”, “Back”, “Left”, “Right”, “Vertical”, “Horizontal”, “Top”, “Bottom”, “Inner” “,” “outside”, “clockwise”, “counterclockwise” and other indicating orientations and positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying.
  • the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of “first” and “second” features may explicitly or implicitly include one or more of these features. In the description of the present invention, “several” and “several” mean two or two Above, unless otherwise specifically defined.
  • a foldable ultra-thin glass cover plate with circular polarization and touch screen function including ultra-thin glass 2, an ink frame 3 is printed under the ultra-thin glass 2, and an explosion-proof layer 4.1 and an explosion-proof layer 4.1 are coated under the ink frame 3
  • a nanoscale WGP polarizer 4.2 is printed below, a 1/4 ⁇ phase difference film 5 is coated below the nanoscale WGP polarizer 4.2, and a touch circuit layer 10 is printed below the 1/4 ⁇ phase difference film 5.
  • Nano-level WGP polarizer 4.2 and 1/4 ⁇ retardation film together form a circular polarizer, where the WGP polarizer is combined with the glass cover body (the combination of ultra-thin glass 2, ink frame 3 and explosion-proof layer 4.1) by printing, The optical glue and the circular polarizer substrate are omitted, so that the function of the circular polarizer is integrated with the glass cover.
  • the touch circuit layer is printed under the 1/4 ⁇ retardation film, and the optical glue is also omitted, which effectively reduces the glass The bending angle of the cover plate, and the circular polarizer and the body of the glass cover plate will not deviate after bending.
  • the preferred material of the nano-level WGP polarizer 4.2 in this embodiment is nano-silver.
  • the preferred explosion-proof layer 4.1 in this embodiment is a transparent resin coating, and the thickness of the transparent resin coating is 30-60 microns.
  • the best application effect of the transparent resin coating is CPI, which has good explosion-proof performance when it reaches a certain thickness. The effect is that when the glass cover plate is broken by impact, the glass slag does not splash out, and the transparent resin coating is coated on the ink frame 3.
  • the thickness of the ink frame 3 is 6-8 microns, which is used to shield the elements outside the display area of the display screen, and also has a light-shielding effect.
  • the ink frame 3 can be printed with various frame colors such as blue and gold.
  • the ink depth can be achieved through the frame template design to achieve the texture effect, and different shapes and colors can be printed multiple times to achieve the color and pattern effect.
  • the ink frame 3 of different colors can be suitable for different colors of mobile phones.
  • the ink frame 3 is printed on the edge of the ultra-thin glass 2.
  • a part of the explosion-proof layer 4.1 contacts the ink frame 3, and the other part contacts the surface of the ultra-thin glass 2.
  • a plurality of strip-shaped grooves 7 are arranged on the preferred transparent resin coating, and the nano-scale WGP polarizer 4.2 is printed in the grooves.
  • the preferred touch circuit layer in this embodiment is a nano silver touch circuit layer.
  • touch circuit layer is an ITO touch circuit layer.
  • the preferred thickness of the ultra-thin glass 2 in this embodiment is 30-100 microns, the thickness of the ink frame 3 is 6-8 microns, and the thickness of the explosion-proof layer 4.1 is 30-60 microns.
  • the ultra-thin glass 2 used in this solution is ultra-thin tempered glass with a thickness of 30-100 microns.
  • SCHOTT in Germany has begun to supply 25-100 ⁇ m thick flexible glass with a width of about 50 cm and a length of hundreds of meters.
  • Japan's Asahi Glass Company made flexible glass SPOOL with a thickness of 0.05mm using float method.
  • Chinese patent CN104045221B discloses a method for preparing flexible ultra-thin glass 2.
  • Chinese patent 201710261451.4 has disclosed a WGP polarizer.
  • the ink frame 3, that is, the touch circuit layer, is printed by an intaglio pad printing device, as shown in FIG. 3, which mainly includes an ink warehouse 54, an intaglio cylinder 53, a pad printing cylinder 52, and a fixture 51.
  • the pad printing cylinder 52 is made of rubber. Roll.
  • the ink is placed in the ink tank.
  • An ink roller 55 is also provided in the ink tank.
  • the ink roller 55 abuts against the intaglio roller 53, and the ink roller 55 absorbs the ink in the ink tank and transfers it to the intaglio plate of the intaglio roller 53, which is along a Rotating in the direction, there is a squeegee 56 next to the intaglio cylinder 53 to scrape off the ink in the intaglio plate.
  • the intaglio cylinder 53 transfers the ink in the intaglio plate to the surface of the printing cylinder 52, and the printing cylinder 52 is along the b direction Rotate, the ultra-thin glass 2 is placed on the jig 51 and moves along the c direction, the ultra-thin glass 2 passes under the pad printing cylinder 52, and the pad printing cylinder 52 prints the ink frame 3 on the surface of the ultra-thin glass 2. Through repeated printing, Make the 3 layers of the ink frame reach 6-8 microns. Through this gravure pad printing device, the printing efficiency is high, the thickness is uniform, and the thickness control is accurate.
  • Nano silver touch circuit layer 10 is the same as the printing method of the ink frame 3, except that the pattern template of the intaglio cylinder 53 is different. Nano silver touch circuits can also be made by screen printing.
  • each layer of the protective cover of the ultra-thin glass 2 is printed or coated without using optical glue, which not only combines the functions of touch screen and circular polarization, but also eliminates optical glue, PET film, and traditional
  • optical glue which not only combines the functions of touch screen and circular polarization, but also eliminates optical glue, PET film, and traditional
  • the thickness of the circular polarizer substrate and the bonding process integrate the functions of the circular polarizer and the touch screen with the glass cover, making the glass cover with the circular polarizer and touch screen function easier to fold.
  • An anti-fouling coating 1 is provided on the preferred ultra-thin glass 2 in this embodiment.
  • a manufacturing method of a foldable ultra-thin glass 2 cover plate with circular polarization and touch screen function including the following steps:
  • the required ink frame 3 is printed by gravure printing, and the thickness of the ink frame 3 is 6-8 microns;
  • the lower surface of the ink frame 3 is coated with a transparent resin coating with a thickness of 30-60 microns;
  • nano-scale WGP polarizer 4.2 is printed on the lower surface of the transparent resin coating, as shown in Figure 2.
  • the specific process is as follows: First, use a mold 6 with a striped convex structure, and use nano Embossing technology, forming a groove 7 on the transparent resin coating; secondly, only part of the groove 7 is filled with metal ink 8 by using a blade 9; finally, a metal grid WGP polarizer is fired using an oven;
  • the material of the nano-scale WGP polarizer 4.2 (that is, the metallic ink 8) is nano-silver.
  • a visible light polarizer with low reflectance and high durability is realized.
  • the visible light wavelength of the metal WGP polarizer used for visible light is much thinner than (400-800nm).
  • the polarization characteristics are improved by making the metal grid thinner and thicker, and the line width is longer than that previously verified 80nm is even finer.
  • Integrating nanoimprint technology, wet control technology, and printing technology again, a thick film nanoprinting technology with a metal ink 8 pattern with a line width of 50nm or less and an aspect ratio of 10 or more is realized.
  • the transparent resin coating serves as the explosion-proof layer 4.1 and at the same time as the carrier of the nano-scale WGP polarizer 4.2, eliminating the adhesion of optical glue and greatly reducing the overall thickness.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
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Abstract

一种带圆偏光与触摸屏功能的可折叠超薄玻璃盖板及制作方法，带圆偏光与触摸屏功能的可折叠超薄玻璃盖板包括超薄玻璃（2），超薄玻璃（2）下方印刷有油墨边框（3），油墨边框（3）下方涂布有防爆层（4.1），防爆层（4.1）下方印刷有纳米级WGP偏光片（4.2），纳米级WGP偏光片（4.2）的下方涂布有1/4λ相位差膜（5），1/4λ相位差膜（5）下方印刷有触摸线路层（10）。采用印刷和涂布的方式覆上功能层，既融合了触摸屏和圆偏光的功能，又省去光学胶、PET膜、传统圆偏光片基材的厚度与贴合过程，使得圆偏光和触摸屏的功能和玻璃盖板融为一体，使带有圆偏光和触摸屏功能的玻璃盖板更易折叠，且无折痕。

Description

带圆偏光与触摸屏功能的可折叠超薄玻璃盖板与制作方法 技术领域
本发明属于手机折叠显示屏领域，更具体的说涉及一种带圆偏光与触摸屏功能的可折叠超薄玻璃盖板与制作方法。
背景技术
从2019年开年以来，包括三星、京东方等公司相继发布了完全自研的可折叠的自发光的OLED柔性屏幕。据网络消息，三星、华为、柔宇、小米等公司也已经做出了相关的折叠手机产品。中国联通甚至在官微中表示“折叠屏手机不远了！”
折叠屏手机中必不可少的柔性屏不仅拥有超强的便携性，也拥有高分辨率、高亮度、低能耗等优点，未来采用该技术的手机不仅可以提供高画质，还能扩展电池空间来进一步增强续航能力。
目前市面上发布的折叠屏手机都存在很多问题，比如三星的Galaxy Fold，刚发布测试机，就被爆屏幕上出现各种问题。所以目前还没手机厂商真正地量产发售折叠屏手机。问题之一便是保护盖板使用透明塑料材质，硬度不足，而且容易产生折痕。
折叠屏手机除了柔性OLED显示面板必须可折叠外，柔性OLED显示面板外层的保护盖板也必须是可折叠的，玻璃盖板是盖设于OLED面板上面的，在整个手机显示屏中，玻璃盖板和面板层之间还需要有一些其他功能层，比如偏光片和触摸屏。
中国专利201920901725.6涉及一种可折叠的玻璃盖板，但并未涉及触摸屏的功能，目前传统做法触摸屏是先在PET膜上将触摸线路做好，然后使用光学胶贴合到玻璃盖板或者OLED面板上；OLED用的偏光片必须为圆偏光片，圆偏光片是由一片偏光片和一片1/4λ相位差膜实现圆偏光。目前传统的做法是圆偏光片单独进行贴合，如果遇到 折叠OLED面板，这种黏贴触摸屏和圆偏光片的做法直接使整个折叠显示屏的厚度较厚，而且触摸屏和圆偏光片在折叠的时候容易与OLED面板产生偏移，不利于屏幕折叠。特别是像三星Galaxy Fold手机的内折的屏幕(外折屏幕手机像华为Mate X，屏幕在外，相比内折的手机，外折屏幕折叠的角度相对大)，对屏幕折叠要求特别高，如用传统触摸屏做法厚度较厚，不易折叠，而且触摸屏跟玻璃盖板或OLED面板容易产生偏移。
对于折叠屏幕，厚度越厚、胶黏层越多，导致折叠越困难，可折叠角度越大。
发明内容
针对现有技术的不足，本发明提供了一种厚度较小，采用印刷和涂布的方式覆上功能层，既融合了触摸屏和圆偏光的功能，又省去的光学胶、PET膜、传统圆偏光片基材的厚度与贴合过程，使得圆偏光和触摸屏的功能和玻璃盖板融为一体，使带有圆偏光和触摸屏功能的玻璃盖板更易折叠，且无折痕。
为实现上述目的，本发明提供了如下技术方案：一种带圆偏光与触摸屏功能的可折叠超薄玻璃盖板，包括超薄玻璃，所述超薄玻璃下方印刷有油墨边框，油墨边框下方涂布有防爆层，防爆层下方印刷有纳米级WGP偏光片，纳米级WGP偏光片的下方涂布有1/4λ相位差膜，所述1/4λ相位差膜下方印刷有触摸线路层。
进一步的所述纳米级WGP偏光片的材质为纳米银。
进一步的所述防爆层为透明树脂涂层。
进一步的所述透明树脂涂层上设置有若干条形的凹槽，纳米级WGP偏光片印刷于凹槽内。
进一步的所述触摸线路层为纳米银触摸线路层。
进一步的所述触摸线路层为ITO触摸线路层。
进一步的所述超薄玻璃厚度为30-100微米，所述油墨边框厚度为 6-8微米，所述防爆层的厚度为30-60微米。
进一步的所述超薄玻璃上方设置有抗污涂层。
一种带圆偏光与触摸屏功能的可折叠超薄玻璃盖板的制作方法，包括如下步骤，
1)在超薄玻璃的下表面，通过凹版印刷的方式印刷上所需要的油墨边框，油墨边框的厚度在6-8微米；
2)油墨边框的下表面涂布一层透明树脂涂层，厚度为30-60微米；
3)然后再在透明树脂涂层的下表面用印刷上一层纳米级WGP偏光片，具体过程为：首先，使用具有条纹形状的凸起构造的模具，运用纳米压印技术，在透明树脂涂层上形成凹槽；其次，通过使用刀片仅在凹槽部分填充金属油墨；最后，使用烘箱烧制出金属栅WGP偏光片；
4)在纳米级WGP偏光片的下方涂布一层1/*λ相位差膜；
5)在4λ相位差膜下方印刷纳米银线路，然后对纳米银线路进行激光干刻修整；或使用ITO，则先将ITO镀到1/4λ相位差膜的下表面，再对ITO进行蚀刻形成触摸线路层。
进一步的还包括如下步骤，在超薄玻璃的上表面涂布抗污层，此步骤置于步骤1)前或步骤5)后。
与现有技术相比，本发明的有益效果是：
1、本方案提供的玻璃盖板，采用纳米级的WGP偏光片的印刷的方式将偏光片印刷到玻璃盖板的本体上，实现线性偏光，再使用涂布方式涂布一层1/4λ相位差膜，来实现圆偏光功能，玻璃盖板的本体为除去圆偏光的部分，同时采用纳米银印刷的方式将触摸层印刷到玻璃盖板上，不需要光学胶黏连，既融合了触摸屏和圆偏光的功能，又省去的光学胶、PET膜、传统圆偏光片基材的厚度与贴合过程，使得圆偏光和触摸屏的功能和玻璃盖板融为一体，使带有圆偏光和触摸屏功能的玻璃盖板更易折叠；有效地减小了玻璃盖板的可弯折角度，而且 弯折后触摸层和玻璃盖板不会产生偏移，且无折痕，特别适合内折屏幕的手机或电子设备使用；
2、30-60微米的透明树脂涂层，材料成本低，工艺成本也低，而且能够有效达到防爆的效果；
3、通过凹版印刷装置印刷的油墨边框可以印刷蓝色、金色等各种边框颜色，可以应用于不同颜色的手机；
4、本申请无光学胶层，无PET层，无传统圆偏光片基材，所以可折叠的角度小，对于内折屏折叠角度越小越好，而且反复折叠后保护盖板没有折叠痕迹，不影响显示效果。
附图说明
图1为本发明带圆偏光与触摸屏功能的可折叠超薄玻璃保护盖板的结构示意图；
图2为本发明中纳米级WGP偏光片制作过程示意图；
图3为本发明中所使用的凹版移印装置结构示意图。
附图标记：1、抗污涂层；2、超薄玻璃；3、油墨边框；4.1、防爆层；4.2、纳米级WGP偏光片；5、1/4λ相位差膜；6、模具；7、凹槽；8、金属油墨；9、刀片；10、触摸线路层；51、治具；52、移印滚筒；53、凹版滚筒；54、油墨仓；55、油墨滚筒；56、刮墨刀。
具体实施方式
参照图1至图3对本发明具有圆偏光和触摸屏功能的可折叠超薄玻璃保护盖板的实施例做进一步说明。
在本发明的描述中，需要说明的是，对于方位词，如有术语“中心”，“横向(X)”、“纵向(Y)”、“竖向(Z)”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示方位和位置关系为基于附图所示的方位或位置关系，仅是为了便于叙述本发明和简化描述，而不是指示或暗示所指的装置 或元件必须具有特定的方位、以特定方位构造和操作，不能理解为限制本发明的具体保护范围。
此外，如有术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或隐含指明技术特征的数量。由此，限定有“第一”、“第二”特征可以明示或者隐含包括一个或者多个该特征，在本发明描述中，“数个”、“若干”的含义是两个或两个以上，除非另有明确具体的限定。
一种带圆偏光与触摸屏功能的可折叠超薄玻璃盖板，包括超薄玻璃2，所述超薄玻璃2下方印刷有油墨边框3，油墨边框3下方涂布有防爆层4.1，防爆层4.1下方印刷有纳米级WGP偏光片4.2，纳米级WGP偏光片4.2的下方涂布有1/4λ相位差膜5，所述1/4λ相位差膜5下方印刷有触摸线路层10。
纳米级WGP偏光片4.2和1/4λ相位差膜共同形成圆偏光片，其中WGP偏光片由印刷的方式与玻璃盖板本体(超薄玻璃2、油墨边框3和防爆层4.1的组合)结合，省去光学胶及圆偏光片基材，使得圆偏光片的功能和玻璃盖板融为一体，同时触摸线路层印刷于1/4λ相位差膜下方，也省去光学胶，有效地降低了玻璃盖板的弯折角度，而且弯折后圆偏光片和玻璃盖板的本体不会产生偏移。
本实施例优选的所述纳米级WGP偏光片4.2的材质为纳米银。
本实施例优选的所述防爆层4.1为透明树脂涂层，透明树脂涂层的厚度为30-60微米，透明树脂涂层目前应用效果最好的是CPI，在达到一定厚度时具有良好的防爆效果，使得玻璃盖板在受到撞击碎裂的时候，玻璃碎渣不会飞溅出去，透明树脂涂层涂布于油墨边框3上。
油墨边框3所述油墨边框3的厚度为6-8微米，其是用于遮蔽显示屏显示区域外元件，另外还有遮光效果，油墨边框3可以印刷蓝色、金色等各种边框颜色，还可以通过边框模板设计来实现油墨的深浅来达到纹理效果，还可以多次印刷不同形状和颜色达到色彩和图案效果， 不同颜色的油墨边框3能够适用于不同颜色的手机搭配。
油墨边框3是印刷于超薄玻璃2的边缘，实际在涂布防爆层4.1时，防爆层4.1一部分接触油墨边框3，另一部分接触超薄玻璃2表面。
本实施例优选的所述透明树脂涂层上设置有若干条形的凹槽7，纳米级WGP偏光片4.2印刷于凹槽内。
本实施利优选的所述触摸线路层为纳米银触摸线路层。
或者所述触摸线路层为ITO触摸线路层。
本实施利优选的所述超薄玻璃2厚度为30-100微米，所述油墨边框3厚度为6-8微米，所述防爆层4.1的厚度为30-60微米。
本方案采用的超薄玻璃2为厚度在30-100微米的超薄钢化玻璃，2013年德国肖特公司已经开始批量供应25-100μm厚的柔性玻璃，宽约50cm，长数百米。2014年日本旭硝子公司用浮法制成厚度0.05mm的柔性玻璃SPOOL。中国专利CN104045221B公开了一种柔性超薄玻璃2的制备方法。中国专利201710261451.4已经公开了WGP偏光片。
本实施例油墨边框3即触摸线路层采用凹版移印装置印刷，如图3所示，其主要包括油墨仓54、凹版滚筒53、移印滚筒52和治具51，其中移印滚筒52为胶辊。
油墨置于油墨仓内，油墨仓内还设置有油墨滚筒55，油墨滚筒55抵触凹版滚筒53，油墨滚筒55吸取油墨仓内的油墨将其转移至凹版滚筒53的凹版内，凹版滚筒53沿a方向转动，在凹版滚筒53旁设置有刮墨刀56，将凹版滚筒53除凹版内的油墨刮掉，凹版滚筒53将凹版内的油墨转移至移印滚筒52表面，移印滚筒52沿b方向转动，超薄玻璃2置于治具51上并沿c方向运动，超薄玻璃2由移印滚筒52下方通过，移印滚筒52将油墨边框3印刷于超薄玻璃2表面，通过反复印刷，使油墨边框3层达到6-8微米，通过此凹版移印装置，印刷效率高，厚度均匀，厚度控制精准。
纳米银触摸线路层10印刷方式与油墨边框3印刷方式相同，仅凹版滚筒53的图案模板不同。纳米银触摸线路也可以使用丝网印刷的方式制作。
在本实施例中的超薄玻璃2保护盖板各层均采用印刷或涂布的方式，无需采用光学胶，既融合了触摸屏和圆偏光的功能，又省去的光学胶、PET膜、传统圆偏光片基材的厚度与贴合过程，使得圆偏光和触摸屏的功能和玻璃盖板融为一体，使带有圆偏光和触摸屏功能的玻璃盖板更易折叠。
本实施例优选的所述超薄玻璃2上方设置有抗污涂层1。
一种带圆偏光与触摸屏功能的可折叠超薄玻璃2盖板的制作方法，包括如下步骤，
1)在超薄玻璃2的下表面，通过凹版印刷的方式印刷上所需要的油墨边框3，油墨边框3的厚度在6-8微米；
2)油墨边框3的下表面涂布一层透明树脂涂层，厚度为30-60微米；
3)然后再在透明树脂涂层的下表面用印刷上一层纳米级WGP偏光片4.2，如图2所示，具体过程为：首先，使用具有条纹形状的凸起构造的模具6，运用纳米压印技术，在透明树脂涂层上形成凹槽7；其次，通过使用刀片9仅在凹槽7部分填充金属油墨8；最后，使用烘箱烧制出金属栅WGP偏光片；
4)在纳米级WGP偏光片4.2的下方涂布一层1/4λ相位差膜5；
5)在1/4λ相位差膜5下方印刷纳米银线路，然后对纳米银线路进行激光干刻修整；或使用ITO，则先将ITO镀到1/4λ相位差膜5的下表面，再对ITO进行蚀刻形成触摸线路层10。
进一步的还包括如下步骤，在超薄玻璃2的上表面涂布抗污层，此步骤置于步骤1)前或步骤5)后。
本实施例优选的步骤3)中纳米级WGP偏光片4.2(也就是金属 油墨8)的材质为纳米银。
通过运用具有高耐久性金属的WGP偏光片的低反射率，实现具有低反射率、高强耐久性的可视光偏光片。用于可视光用金属WGP偏光片的可视光波长比(400-800nm)细得多，通过把金属栅做得更细、更厚来提高偏光特性，而且线宽要比以往验证过的80nm还要更细。再次融合纳米压印技术、湿控制技术、印刷技术，实现了线宽为50nm以下、纵横比为10以上的金属油墨8图案的厚膜纳米印刷技术。
本实施例中透明树脂涂层即作为防爆层4.1，同时又作为纳米级WGP偏光片4.2的载体，省去光学胶的粘连，大大降低整体厚度。
以上所述仅是本发明的优选实施方式，本发明的保护范围并不仅局限于上述实施例，凡属于本发明思路下的技术方案均属于本发明的保护范围。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理前提下的若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (10)

  1. 一种带圆偏光与触摸屏功能的可折叠超薄玻璃盖板，其特征在于：包括超薄玻璃，所述超薄玻璃下方印刷有油墨边框，油墨边框下方涂布有防爆层，防爆层下方印刷有纳米级WGP偏光片，纳米级WGP偏光片的下方涂布有1/4λ相位差膜，所述1/4λ相位差膜下方印刷有触摸线路层。
  2. 根据权利要求1所述的带圆偏光与触摸屏功能的可折叠超薄玻璃盖板，其特征在于：所述纳米级WGP偏光片的材质为纳米银。
  3. 根据权利要求2所述的带圆偏光与触摸屏功能的可折叠超薄玻璃盖板，其特征在于：所述防爆层为透明树脂涂层。
  4. 根据权利要求3所述的带圆偏光与触摸屏功能的可折叠超薄玻璃盖板，其特征在于：所述透明树脂涂层上设置有若干条形的凹槽，纳米级WGP偏光片印刷于凹槽内。
  5. 根据权利要求1所述的带圆偏光与触摸屏功能的可折叠超薄玻璃盖板，其特征在于：所述触摸线路层为纳米银触摸线路层。
  6. 根据权利要求1所述的带圆偏光与触摸屏功能的可折叠超薄玻璃盖板，其特征在于：所述触摸线路层为ITO触摸线路层。
  7. 根据权利要求2-6中任意一项所述的带圆偏光与触摸屏功能的可折叠超薄玻璃盖板，其特征在于：所述超薄玻璃厚度为30-100微米，所述油墨边框厚度为6-8微米，所述防爆层的厚度为30-60微米。
  8. 根据权利要求1所述的带圆偏光与触摸屏功能的可折叠超薄玻璃盖板，其特征在于：所述超薄玻璃上方设置有抗污 涂层。
  9. 一种如权利要求1所述的带圆偏光与触摸屏功能的可折叠超薄玻璃盖板的制作方法，其特征在于，包括如下步骤，
    1)在超薄玻璃的下表面，通过凹版印刷的方式印刷上所需要的油墨边框，油墨边框的厚度在6-8微米；
    2)油墨边框的下表面涂布一层透明树脂涂层，厚度为30-60微米；
    3)然后再在透明树脂涂层的下表面用印刷上一层纳米级WGP偏光片，具体过程为：首先，使用具有条纹形状的凸起构造的模具，运用纳米压印技术，在透明树脂涂层上形成凹槽；其次，通过使用刀片仅在凹槽部分填充金属油墨；最后，使用烘箱烧制出金属栅WGP偏光片；
    4)在纳米级WGP偏光片的下方涂布一层1/4λ相位差膜；
    5)在1/4λ相位差膜下方印刷纳米银线路，然后对纳米银线路进行激光干刻修整，形成纳米银触摸线路层；或使用ITO，则先将ITO镀到1/4λ相位差膜的下表面，再对ITO进行蚀刻形成触摸线路层。
  10. 根据权利要求9所述的带圆偏光与触摸屏功能的可折叠超薄玻璃盖板的制作方法，其特征在于：还包括如下步骤，在超薄玻璃的上表面涂布抗污层，此步骤置于步骤1)前或步骤5)后。
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113411431A (zh) * 2021-07-21 2021-09-17 芜湖长信科技股份有限公司 一种超薄柔性盖板及其生产方法
CN115107323A (zh) * 2022-06-15 2022-09-27 武汉华星光电半导体显示技术有限公司 超薄玻璃层及其制备方法、超薄柔性盖板、显示装置
CN115353297A (zh) * 2022-09-19 2022-11-18 安徽哥瑞光学实业有限公司 一种曲面防爆玻璃及其制造方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110634409A (zh) * 2019-10-15 2019-12-31 汕头超声显示器技术有限公司 一种大弯曲程度的保护镜片显示屏组合

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101116018A (zh) * 2005-06-13 2008-01-30 Lg化学株式会社 使导电层图形化的方法、制备偏振片的方法以及使用该方法制备的偏振片
US20140063369A1 (en) * 2012-09-06 2014-03-06 Shoei Co., Ltd. Touch display
US20150323720A1 (en) * 2014-05-09 2015-11-12 Beijing Boe Display Technology Co., Ltd. Polarization structure and method for manufacturing the same, and display panel
CN105468185A (zh) * 2014-09-12 2016-04-06 南昌欧菲光学技术有限公司 一种触控显示屏及移动终端
WO2016203838A1 (ja) * 2015-06-19 2016-12-22 日本写真印刷株式会社 円偏光板付きタッチセンサ及び画像表示装置
CN106484166A (zh) * 2015-09-01 2017-03-08 冠捷投资有限公司 触控显示设备及电子装置
CN106502462A (zh) * 2016-10-26 2017-03-15 昆山国显光电有限公司 触控显示面板及其制造方法、触控显示装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102142144B1 (ko) * 2013-05-13 2020-08-06 동우 화인켐 주식회사 편광판과 터치 감지 전극 일체형 윈도우 필름
CN204390197U (zh) * 2014-12-23 2015-06-10 苏州斯迪克新材料科技股份有限公司 智能电子产品用触控显示面板
CN107507924A (zh) * 2017-08-11 2017-12-22 武汉华星光电半导体显示技术有限公司 视窗防护玻璃及制作方法
CN109188594A (zh) * 2018-10-09 2019-01-11 合肥京东方光电科技有限公司 一种带有印刷图案的偏光片及其制备方法、显示装置
CN110423020B (zh) * 2019-07-29 2021-09-17 恩利克（浙江）智能装备有限公司 具有圆偏光功能的可折叠超薄玻璃保护盖板及制作方法
CN210271562U (zh) * 2019-07-29 2020-04-07 恩利克（浙江）智能装备有限公司 带圆偏光与触摸屏功能的可折叠超薄玻璃盖板

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101116018A (zh) * 2005-06-13 2008-01-30 Lg化学株式会社 使导电层图形化的方法、制备偏振片的方法以及使用该方法制备的偏振片
US20140063369A1 (en) * 2012-09-06 2014-03-06 Shoei Co., Ltd. Touch display
US20150323720A1 (en) * 2014-05-09 2015-11-12 Beijing Boe Display Technology Co., Ltd. Polarization structure and method for manufacturing the same, and display panel
CN105468185A (zh) * 2014-09-12 2016-04-06 南昌欧菲光学技术有限公司 一种触控显示屏及移动终端
WO2016203838A1 (ja) * 2015-06-19 2016-12-22 日本写真印刷株式会社 円偏光板付きタッチセンサ及び画像表示装置
CN106484166A (zh) * 2015-09-01 2017-03-08 冠捷投资有限公司 触控显示设备及电子装置
CN106502462A (zh) * 2016-10-26 2017-03-15 昆山国显光电有限公司 触控显示面板及其制造方法、触控显示装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113411431A (zh) * 2021-07-21 2021-09-17 芜湖长信科技股份有限公司 一种超薄柔性盖板及其生产方法
CN113411431B (zh) * 2021-07-21 2024-02-06 芜湖东信光电科技有限公司 一种超薄柔性盖板及其生产方法
CN115107323A (zh) * 2022-06-15 2022-09-27 武汉华星光电半导体显示技术有限公司 超薄玻璃层及其制备方法、超薄柔性盖板、显示装置
CN115107323B (zh) * 2022-06-15 2024-04-12 武汉华星光电半导体显示技术有限公司 超薄玻璃层及其制备方法、超薄柔性盖板、显示装置
CN115353297A (zh) * 2022-09-19 2022-11-18 安徽哥瑞光学实业有限公司 一种曲面防爆玻璃及其制造方法
CN115353297B (zh) * 2022-09-19 2023-09-22 安徽哥瑞光学实业有限公司 一种曲面防爆玻璃的制造方法

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