WO2019114115A1 - Integrated flexible touch screen and manufacturing method thereof, and oled display device - Google Patents

Integrated flexible touch screen and manufacturing method thereof, and oled display device Download PDF

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Publication number
WO2019114115A1
WO2019114115A1 PCT/CN2018/074631 CN2018074631W WO2019114115A1 WO 2019114115 A1 WO2019114115 A1 WO 2019114115A1 CN 2018074631 W CN2018074631 W CN 2018074631W WO 2019114115 A1 WO2019114115 A1 WO 2019114115A1
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Prior art keywords
layer
touch
flexible
polarizing
substrate
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PCT/CN2018/074631
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French (fr)
Chinese (zh)
Inventor
赵宸
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武汉华星光电半导体显示技术有限公司
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Publication of WO2019114115A1 publication Critical patent/WO2019114115A1/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • 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
    • G09F9/33—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 being semiconductor devices, e.g. diodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices

Definitions

  • the present invention relates to the field of flexible panel technologies, and in particular, to an integrated flexible touch screen, a manufacturing method thereof, and an OLED display.
  • the OLED (organic light-emitting diode) display has the characteristics of high luminance, wide viewing angle, fast response, ultra-thin, light weight, and can be fabricated on a flexible substrate, and has been widely concerned. Moreover, compared with the traditional TFT-LCD technology, the biggest advantage of OLED is that it can be made into a flexible product.
  • An OLED display generally includes an OLED display panel and a flexible touch screen disposed on the OLED display panel. In order to make the OLED display have a high bending characteristic, it is required to reduce the thickness of the flexible touch screen as much as possible so that the flexible touch screen has better bending performance, thereby improving the OLED display. Bending characteristics.
  • the invention provides an integrated flexible touch screen, a manufacturing method thereof and an OLED display, so as to minimize the thickness of the flexible touch screen, so that the flexible touch screen has better bending performance to improve the Bending performance of OLED displays.
  • the integrated flexible touch screen includes a flexible cover plate, a polarizing layer and a touch layer.
  • the polarizing layer or the touch layer is formed on the flexible cover, and the touch layer is laminated with the polarizing layer. And bonded as one.
  • the flexible cover comprises a flexible substrate and a hardened film layer laminated on one side of the flexible substrate;
  • the polarizing layer comprises a polarizing film layer and a phase delay laminated on one side of the polarizing film layer a layer of the polarizing film formed on a side of the flexible substrate facing away from the hardened film layer;
  • the touch layer includes a flexible touch substrate and a touch line laminated on the flexible touch substrate Floor.
  • the flexible cover plate includes a flexible substrate and a hardened film layer laminated on one side of the flexible substrate, the polarizing layer includes a polarizing film layer, and the polarizing film layer is formed on the flexible layer a side of the substrate facing away from the hardened film layer; the touch layer comprising a phase retardation layer and a touch line layer laminated on the phase retardation layer.
  • the flexible cover includes a flexible substrate and a hardened film layer laminated on one side of the flexible substrate;
  • the touch layer includes a touch circuit layer, and the touch circuit layer is formed on a side of the flexible substrate facing away from the hardened film layer;
  • the polarizing layer comprising a polarizing film layer and a phase retarding layer laminated on one side of the polarizing film layer, the polarizing film layer being adhered to the touch circuit layer Hehe.
  • the OLED display includes an OLED display panel and the above-described integrated flexible touch screen, and the integrated flexible touch screen is laminated on the OLED display panel.
  • the method for manufacturing the integrated flexible touch screen comprises the steps of:
  • the step of “forming a polarizing layer on the flexible cover” includes:
  • a polarizing film layer on one surface of the flexible cover; forming a phase retardation layer on a side of the polarizing film layer facing away from the flexible cover plate, the polarizing layer comprising the polarizing film layer and the phase retardation layer.
  • step “preparing the touch layer” includes:
  • the touch layer is patterned to form a touch trace layer, and the touch layer includes the flexible touch substrate and the touch trace layer.
  • the step of “forming a polarizing layer on the flexible cover” includes:
  • a polarizing film layer is formed on one surface of the flexible cover sheet by coating, transfer or bonding, and the polarizing layer includes the polarizing film layer.
  • step “preparing the touch layer” includes:
  • the substrate is peeled off, and the touch layer includes the phase retardation layer and the touch trace layer.
  • the integrated flexible touch screen and the manufacturing method thereof are provided by sequentially laminating the flexible cover, the polarizing layer and the touch layer of the flexible touch screen, and forming the polarizing layer or the touch layer directly on the
  • the flexible cover plate does not need to provide a substrate for forming the polarizing layer or the touch layer, thereby achieving thinning of the flexible touch screen.
  • the touch layer and the polarizing layer are integrally bonded, so that the flexible cover, the polarizing layer and the touch layer of the integrated flexible touch screen form an integrated structure. Therefore, when the OLED display is fabricated, the integrated flexible touch screen and the OLED display panel can be directly subjected to a bonding process, thereby simplifying the process of the OLED display and improving the product of the OLED display. Yield.
  • FIG. 1 is a schematic structural view of an integrated flexible touch screen according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural view of an integrated flexible touch screen according to another embodiment of the present invention.
  • FIG. 3 is a schematic structural view of an integrated flexible touch screen according to another embodiment of the present invention.
  • FIG. 4 is a schematic structural view of an integrated flexible touch screen according to another embodiment of the present invention.
  • FIG. 5 is a flow chart of a method for manufacturing an integrated flexible touch screen according to an embodiment of the invention.
  • the present invention provides an integrated flexible touch screen 100.
  • the touch screen 100 includes a flexible cover 10 , a polarizing layer 20 , and a touch layer 30 that are sequentially stacked.
  • the polarizing layer 20 is formed on the flexible cover 10 and integrated with the flexible cover 10.
  • the touch layer 10 and the polarizing layer 20 are integrally bonded by a glue layer 40.
  • a glue layer 40 By forming the polarizing layer 20 on the flexible cover 10, a substrate required for forming the polarizing layer 20 can be reduced, thereby thinning the integrated flexible touch screen 100.
  • the glue layer 40 between the touch layer 10 and the polarizing layer 20 the two functional layers of the touch layer 10 and the polarizing layer 20 can be separated to avoid formation. When the two functional layers are formed, an influence is exerted on each other, thereby ensuring the quality of the touch layer 10 and the polarizing layer 20, so that the two functional layers can work normally.
  • the flexible cover 10 includes a flexible substrate 11 and a hardened film layer 12 laminated on one side of the flexible substrate 11.
  • the flexible substrate 11 may be a polymer material such as PI, COP, or PET, and the thickness thereof generally does not exceed 50 ⁇ m to ensure that the flexible cover 10 has good bending characteristics.
  • the flexible substrate 11 is made of a PI material.
  • the hardened film layer 12 is a thin film structure deposited on one side of the flexible substrate 11, and its thickness generally does not exceed 10 ⁇ m. The strength of one side of the flexible cover 10 can be enhanced by the hardened film layer 12, and the characteristics of the flexible cover 10 such as drop resistance, wear resistance, waterproofness and the like can be achieved.
  • the polarizing layer 20 includes a polarizing film layer 21 and a phase retardation layer 22 laminated on the polarizing film layer 21.
  • the polarizing film layer 21 is a linear polarizing film, and the layer is prepared by a liquid crystal material coating method, and the thickness is obviously reduced compared with the film layer formed by stretching of the existing polyvinyl alcohol (PVA), and the thickness thereof is generally Less than 2 ⁇ m.
  • PVA polyvinyl alcohol
  • the linear polarizing film layer 21 and the phase retardation layer 22 constitute a circularly polarizing plate.
  • the reflection of the external light entering the integrated flexible touch screen 100 can be reduced by the circular polarizing plate, thereby enhancing the display effect of the display provided with the integrated flexible touch screen 100.
  • the phase retardation layer 22 is also a coating retarder made of a liquid crystal material and has a thickness of less than 2 um.
  • the overall thickness of the polarizing layer 20 is guaranteed to be within 5 um, thereby further reducing the thickness of the integrated flexible touch screen 100.
  • the polarizing film layer 21 is directly formed on one side of the flexible substrate 11 facing away from the hardened film layer 12, and the phase retardation layer 22 is directly formed on one surface of the polarizing film layer 21.
  • the polarizing film layer 21 By forming the polarizing film layer 21 directly on the flexible substrate 11, and forming the phase retardation layer 22 directly on one side of the polarizing film layer 21, it is reduced compared to the prior art.
  • the substrate of the polarizing film layer 21 and the phase retardation layer 22 is formed, thereby achieving thinning of the integrated flexible touch screen 100.
  • the touch layer 30 includes a flexible touch substrate 31 and a touch line layer 32 stacked on the flexible touch substrate 31 .
  • the flexible touch substrate 31 can be a polymer material such as PI, COP, or PET to ensure that the touch layer 30 has good bending characteristics.
  • the flexible touch substrate 31 is made of PET material.
  • a glue layer 40 is disposed between the touch layer 30 and the polarizing layer 20, and the touch layer 30 and the polarizing layer 20 are bonded together by the glue layer 40.
  • the touch-control circuit layer 32 is adhered to the phase retardation layer 22 of the polarizing layer 20 through the adhesive layer 40, so that the touch-control circuit layer 32 is closer to the flexible cover 10, When the touch operation is performed on the flexible cover 10, the touch function of the touch line layer 32 can be better realized.
  • the phase retardation layer 22 can also be bonded to the flexible touch substrate 31 through the adhesive layer 40.
  • the adhesive layer 40 is a pressure sensitive adhesive such as PSA or OCA, which ensures that the touch layer 30 and the polarizing layer 20 are bonded together, and the touch function of the touch layer 30 is normally used.
  • the flexible cover 10, the polarizing layer 20, and the touch layer 30 of the flexible touch screen 100 are sequentially stacked, and the polarizing layer 20 or the touch layer 30 is directly formed on the On the flexible cover 10, it is not necessary to provide a substrate for forming the polarizing layer 20 or the touch layer 30, thereby achieving thinning of the flexible touch screen 100.
  • an integrated flexible touch screen 200 is provided.
  • the integrated flexible touch screen 200 differs from the integrated flexible touch screen 100 of FIG. 1 in the present invention in that the polarizing layer 20 is The phase retardation layer 22 is not included.
  • the touch layer 30 includes the touch line layer 32 and the phase retardation layer 22, and does not include the flexible touch substrate 31.
  • the touch line layer 32 is stacked on the phase retardation layer. 22 on.
  • the adhesive layer 40 is located between the polarizing film layer 21 and the touch control layer 32 and bonds the polarizing film layer 21 and the touch wiring layer 32.
  • the phase retardation layer 22 may be adhered to the polarizing film layer 21 through the adhesive layer 40 to implement the touch layer 30 and the polarized light. Bonding of layer 20.
  • the touch layer 30 does not include the flexible touch substrate 31 with respect to the touch layer 30 in the integrated flexible touch screen 100, so that the integration can be further reduced.
  • the thickness of the flexible touch screen 200 is such that better bending characteristics are achieved.
  • an integrated flexible touch screen 300 is provided.
  • the integrated flexible touch screen 300 differs from the integrated flexible touch screen 100 of FIG. 1 in the present invention in that: the touch layer
  • the touch-control circuit layer 31 is formed on the flexible substrate 11 opposite to the hardened film layer 12, that is, the touch layer 30 is formed on the flexible cover 10 on.
  • the polarizing film layer 21 of the polarizing layer 20 is bonded to the touch wiring layer 31 through the adhesive layer 40.
  • an integrated flexible touch screen 400 is provided.
  • the integrated flexible touch screen 400 differs from the integrated flexible touch screen 100 of FIG. 1 in the present invention in that the touch layer is
  • the flexible cover 10 is also bonded to the flexible cover 10 by the glue layer 40.
  • the present invention also provides an OLED display, comprising an OLED display panel and any one of the above-mentioned integrated flexible touch screens, wherein the integrated flexible touch screen is laminated on the OLED display panel, the integrated flexible The touch screen is also bonded to the OLED display panel through the adhesive layer 40.
  • the flexible cover 10 by forming the flexible cover 10, the polarizing layer 20 and the touch layer 30 of the integrated flexible touch screen into an integrated structure, when the OLED display is fabricated, the integrated flexible touch screen can be directly
  • the OLED display panel can be obtained by performing a bonding process, thereby simplifying the process of the OLED display and improving the product yield of the OLED display.
  • the present invention further provides a method for fabricating the integrated flexible touch screen 100, including:
  • Step 110 preparing the flexible cover 10 .
  • Step 120 forming a polarizing layer 20 on the flexible cover 10.
  • the polarizing film layer 21 is formed by coating, transfer or vapor deposition on the side of the flexible substrate 11 facing away from the cured film layer 12. Forming the phase retardation layer 22 by a process such as coating, transfer or vapor deposition on the side of the polarizing film layer 21 facing away from the flexible cover sheet 10, that is, obtaining the polarizing film layer 21 and the phase retardation layer 22
  • the polarizing layer 20 is. Wherein, the polarizing film layer 21 is closer to the flexible cover 10 relative to the phase retardation layer 22, so that light entering from the flexible cover 10 can be absorbed by the polarizing layer 20. , thereby reducing reflections.
  • the polarizing film layer 21 is obtained by coating a liquid crystal material, and the thickness thereof is generally less than 2 ⁇ m, which is significantly lower than that of the conventional polyvinyl alcohol (PVA) stretched film layer.
  • the phase retardation layer 22 is also obtained by coating a liquid crystal material with a thickness of less than 2 um.
  • the overall thickness of the polarizing layer 20 is guaranteed to be within 5 um, which greatly reduces the overall thickness of the polarizing layer 20, thereby further reducing the thickness of the integrated flexible touch screen 100.
  • Step 130 Prepare the touch layer 30.
  • the flexible touch substrate 31 is provided. Depositing a touch material layer on one surface of the flexible touch substrate 31 by vapor deposition or sputtering, and patterning the touch material layer to form the touch trace layer 32, thereby obtaining the flexible touch The substrate 31 and the touch layer 30 of the touch trace layer 32.
  • Step 140 bonding the touch layer 30 and the polarizing layer 20 through the adhesive layer 40.
  • the prepared touch layer 30 and the polarizing layer 20 are integrally bonded through the adhesive layer 40 so as to include the integrated touch layer 30, the polarizing layer 20 and the flexible cover.
  • the difference from the method of forming the integrated flexible touch screen 100 is as follows:
  • the step 120 includes forming the polarizing film layer 21 by coating, transfer or vapor deposition on the side of the flexible substrate 11 facing away from the cured film layer 12.
  • Step 130 includes providing a substrate on which the phase retardation layer 22 is formed by coating, transfer or vapor deposition.
  • the touch material layer is deposited by a process such as vapor deposition or sputtering on the side of the phase retardation layer 22 facing away from the substrate, and the touch material layer is patterned to form the touch trace layer 32.
  • the substrate is peeled off to obtain the touch layer 30 including the phase retardation layer 22 and the touch trace layer 32.
  • the substrate is peeled off, and the phase retardation layer 22 and the touch trace layer 32 are formed simultaneously.
  • the thickness of the integrated flexible touch screen 200 is reduced as much as possible.
  • the difference from the method of forming the integrated flexible touch screen 100 is as follows:
  • Step 120 is to form the touch layer 30 on the flexible cover 10.
  • the touch layer 30 includes the touch trace layer 32.
  • the touch layer 30 including the touch trace layer 32 is formed.
  • Step 130 is to prepare the polarizing layer 20.
  • the polarizing layer 30 includes the polarizing film layer 21 and the phase retardation layer 22 .
  • the polarizing film layer 21 is formed by deposition or the like, and the polarizing film layer 21 and the phase retardation layer 22 are formed, and then the substrate is peeled off.
  • Step 140 is to bond the touch layer 30 and the polarizing layer 20 through the adhesive layer 40. Specifically, the polarizing film layer 21 of the polarizing layer 20 and the touch circuit layer 32 are bonded by the adhesive layer 40. It can be understood that the peeling of the substrate in the step 130 can also be performed after the step of “bonding the touch layer 30 and the polarizing layer 20 through the adhesive layer 40” is completed.
  • the difference from the method of forming the integrated flexible touch screen 100 is as follows:
  • Step 120 is to prepare the polarizing layer 20.
  • the polarizing layer 30 includes the polarizing film layer 21 and the phase retardation layer 22 .
  • the polarizing film layer 21 is formed by deposition or the like, and the polarizing film layer 21 and the phase retardation layer 22 are formed, and then the substrate is peeled off.
  • Step 140 is to bond the polarizing layer 20 and the flexible cover 10 through the adhesive layer 40, and bond the touch layer 30 and the polarizing layer 20 through the adhesive layer 40. It will be appreciated that the two bonding processes can be reversed. Specifically, the polarizing film layer 21 of the polarizing layer 20 is bonded to the flexible substrate 11 of the flexible cover 10, and the phase retardation layer 22 of the polarizing layer 20 and the touch layer 30 are touched. The control circuit layer 32 is bonded.
  • the integrated flexible touch screen and the manufacturing method thereof are provided by sequentially laminating the flexible cover 10, the polarizing layer 20 and the touch layer 30 of the flexible touch screen, and the polarizing layer 20 or the touch
  • the layer 30 is directly formed on the flexible cover 10, so that it is not necessary to provide a substrate for forming the polarizing layer 20 or the touch layer 30, thereby achieving thinning of the flexible touch screen.
  • the touch layer 20 and the polarizing layer 30 are integrally bonded, so that the flexible cover 10, the polarizing layer 20 and the touch layer 30 of the integrated flexible touch screen form an integrated structure. Therefore, when the OLED display is fabricated, the integrated flexible touch screen and the OLED display panel can be directly subjected to a bonding process, thereby simplifying the process of the OLED display and improving the product of the OLED display. Yield.

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Abstract

Provided are an integrated flexible touch screen and a manufacturing method thereof. The integrated flexible touch screen comprises a flexible cover plate, a polarization layer and a touch layer which are sequentially stacked. The polarization layer or the touch layer is directly formed at the flexible cover plate, such that no base needs to be provided for the polarization layer or the touch layer, thereby reducing a thickness of the flexible touch screen. Moreover, the touch layer and the polarization layer are bonded together, such that the flexible cover plate, the polarization layer and the touch layer of the integrated flexible touch screen form an integral structure. In a process of manufacturing the OLED display device, the integrated flexible touch screen and an OLED display panel can be bonded in one bonding process, thereby simplifying a manufacturing process of the OLED display device, and increasing the yield of the OLED display device.

Description

一体化柔性触摸屏及其制作方法、OLED显示器Integrated flexible touch screen and manufacturing method thereof, OLED display 技术领域Technical field
本发明涉及一种柔性面板技术领域，尤其涉及一种一体化柔性触摸屏及其制作方法及一种OLED显示器。The present invention relates to the field of flexible panel technologies, and in particular, to an integrated flexible touch screen, a manufacturing method thereof, and an OLED display.
背景技术Background technique
OLED(organic light-emitting diode，有机发光二极管)显示器具有发光亮度高、视角广、响应速度快、超薄、质量轻、可制作在柔性衬底上等特点，而受到人们的广泛关注。并且，与传统TFT-LCD技术相比，OLED最大的优势在于其可做成柔性产品。OLED显示器一般包括OLED显示面板及设于所述OLED显示面板上的柔性触摸屏。为了使所述OLED显示器具有较高的弯折特性，需要尽可能的减薄所述柔性触摸屏的厚度，以使所述柔性触控屏具有较好的弯折性能，从而提高所述OLED显示器的弯折特性。The OLED (organic light-emitting diode) display has the characteristics of high luminance, wide viewing angle, fast response, ultra-thin, light weight, and can be fabricated on a flexible substrate, and has been widely concerned. Moreover, compared with the traditional TFT-LCD technology, the biggest advantage of OLED is that it can be made into a flexible product. An OLED display generally includes an OLED display panel and a flexible touch screen disposed on the OLED display panel. In order to make the OLED display have a high bending characteristic, it is required to reduce the thickness of the flexible touch screen as much as possible so that the flexible touch screen has better bending performance, thereby improving the OLED display. Bending characteristics.
发明内容Summary of the invention
本发明的提供一体化柔性触摸屏及其制作方法及一种OLED显示器，以尽量减薄所述柔性触控屏的厚度，使得所述柔性触控屏具有较好的弯折性能，以提高所述OLED显示器的弯折性能。The invention provides an integrated flexible touch screen, a manufacturing method thereof and an OLED display, so as to minimize the thickness of the flexible touch screen, so that the flexible touch screen has better bending performance to improve the Bending performance of OLED displays.
所述一体化柔性触摸屏包括层叠设置的柔性盖板、偏光层及触控层，所述偏光层或触控层形成于所述柔性盖板上，所述触控层与所述偏光层层叠设置且粘合为一体。The integrated flexible touch screen includes a flexible cover plate, a polarizing layer and a touch layer. The polarizing layer or the touch layer is formed on the flexible cover, and the touch layer is laminated with the polarizing layer. And bonded as one.
本发明一实施例中，所述柔性盖板包括柔性衬底及层叠于所述柔性衬底一面的硬化薄膜层；所述偏光层包括偏光薄膜层及层叠于所述偏光薄膜层一面的相位延迟层，所述偏光薄膜层形成于所述柔性衬底上背离所述硬化薄膜层的一面；所述触控层包括柔性触控衬底及层叠于所述柔性触控衬底上的触控线路层。In an embodiment of the invention, the flexible cover comprises a flexible substrate and a hardened film layer laminated on one side of the flexible substrate; the polarizing layer comprises a polarizing film layer and a phase delay laminated on one side of the polarizing film layer a layer of the polarizing film formed on a side of the flexible substrate facing away from the hardened film layer; the touch layer includes a flexible touch substrate and a touch line laminated on the flexible touch substrate Floor.
本发明另一实施例中，所述柔性盖板包括柔性衬底及层叠于所述柔性衬底一面的硬化薄膜层，所述偏光层包括偏光薄膜层，所述偏光薄膜层形成于所述 柔性衬底上背离所述硬化薄膜层的一面；所述触控层包括相位延迟层，及层叠于所述相位延迟层上的触控线路层。In another embodiment of the present invention, the flexible cover plate includes a flexible substrate and a hardened film layer laminated on one side of the flexible substrate, the polarizing layer includes a polarizing film layer, and the polarizing film layer is formed on the flexible layer a side of the substrate facing away from the hardened film layer; the touch layer comprising a phase retardation layer and a touch line layer laminated on the phase retardation layer.
本发明另一实施例中，所述柔性盖板包括柔性衬底及层叠于所述柔性衬底一面的硬化薄膜层；所述触控层包括触控线路层，所述触控线路层形成于所述柔性衬底上背离所述硬化薄膜层的一面；所述偏光层包括偏光薄膜层及层叠于所述偏光薄膜层一面的相位延迟层，所述偏光薄膜层与所述触控线路层粘合。In another embodiment of the present invention, the flexible cover includes a flexible substrate and a hardened film layer laminated on one side of the flexible substrate; the touch layer includes a touch circuit layer, and the touch circuit layer is formed on a side of the flexible substrate facing away from the hardened film layer; the polarizing layer comprising a polarizing film layer and a phase retarding layer laminated on one side of the polarizing film layer, the polarizing film layer being adhered to the touch circuit layer Hehe.
所述OLED显示器包括OLED显示面板及上述的一体化柔性触摸屏，所述一体化柔性触摸屏层叠于所述OLED显示面板上。The OLED display includes an OLED display panel and the above-described integrated flexible touch screen, and the integrated flexible touch screen is laminated on the OLED display panel.
所述一体化柔性触摸屏的制作方法，包括步骤：The method for manufacturing the integrated flexible touch screen comprises the steps of:
制备得到柔性盖板；Preparing a flexible cover sheet;
在所述柔性盖板上形成偏光层；Forming a polarizing layer on the flexible cover;
制备得到触控层；Preparing a touch layer;
将所述触控层粘合于所述偏光层背离所述柔性盖板的一面。Bonding the touch layer to a side of the polarizing layer facing away from the flexible cover.
本发明一实施例中，所述步骤“在所述柔性盖板上形成偏光层”包括：In an embodiment of the invention, the step of “forming a polarizing layer on the flexible cover” includes:
在所述柔性盖板的一面形成偏光薄膜层；在所述偏光薄膜层背离所述柔性盖板的一面形成相位延迟层，所述偏光层包括所述偏光薄膜层及所述相位延迟层。Forming a polarizing film layer on one surface of the flexible cover; forming a phase retardation layer on a side of the polarizing film layer facing away from the flexible cover plate, the polarizing layer comprising the polarizing film layer and the phase retardation layer.
其中，所述步骤“制备得到触控层”包括：Wherein, the step “preparing the touch layer” includes:
提供柔性触控基板；Providing a flexible touch substrate;
在所述柔性触控基板的一面沉积触控材料层；Depositing a layer of a touch material on one side of the flexible touch substrate;
图案化所述触控材料层形成触控走线层，所述触控层包括所述柔性触控基板及所述触控走线层。The touch layer is patterned to form a touch trace layer, and the touch layer includes the flexible touch substrate and the touch trace layer.
本发明另一实施例中，所述步骤“在所述柔性盖板上形成偏光层”包括：In another embodiment of the present invention, the step of “forming a polarizing layer on the flexible cover” includes:
通过涂布、转印或贴合的方式在所述柔性盖板的一面形成偏光薄膜层，所述偏光层包括所述偏光薄膜层。A polarizing film layer is formed on one surface of the flexible cover sheet by coating, transfer or bonding, and the polarizing layer includes the polarizing film layer.
其中，所述步骤“制备得到触控层”包括：Wherein, the step “preparing the touch layer” includes:
提供一基板，在所述基板上形成相位延迟层；Providing a substrate on which a phase retardation layer is formed;
在所述相位延迟层背离所述基板的一面沉积触控材料层；Depositing a layer of a touch material on a side of the phase retardation layer facing away from the substrate;
图案化所述触控材料层形成触控走线层；Patterning the touch material layer to form a touch trace layer;
剥离所述基板，所述触控层包括所述相位延迟层及所述触控走线层。本发明提供的一体化柔性触摸屏及其制作方法，通过将所述柔性触摸屏的所述柔性盖板、偏光层及触控层依次层叠，并将所述偏光层或所述触控层直接形成于所述柔性盖板上，从而不需要提供形成所述偏光层或所述触控层的衬底，进而实现所述柔性触摸屏的减薄。并且，将所述触控层与所述偏光层粘合为一体，从而使得所述一体化柔性触摸屏的柔性盖板、偏光层及触控层形成一体结构。因此，在制作所述OLED显示器时，能够直接将所述一体化柔性触摸屏与所述OLED显示面板进行一次贴合工艺即可得到，从而简化所述OLED显示器的制程，提高所述OLED显示器的产品良率。The substrate is peeled off, and the touch layer includes the phase retardation layer and the touch trace layer. The integrated flexible touch screen and the manufacturing method thereof are provided by sequentially laminating the flexible cover, the polarizing layer and the touch layer of the flexible touch screen, and forming the polarizing layer or the touch layer directly on the The flexible cover plate does not need to provide a substrate for forming the polarizing layer or the touch layer, thereby achieving thinning of the flexible touch screen. Moreover, the touch layer and the polarizing layer are integrally bonded, so that the flexible cover, the polarizing layer and the touch layer of the integrated flexible touch screen form an integrated structure. Therefore, when the OLED display is fabricated, the integrated flexible touch screen and the OLED display panel can be directly subjected to a bonding process, thereby simplifying the process of the OLED display and improving the product of the OLED display. Yield.
附图说明DRAWINGS
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any creative work.
图1是本发明一实施例的一体化柔性触摸屏结构示意图；1 is a schematic structural view of an integrated flexible touch screen according to an embodiment of the present invention;
图2是本发明另一实施例的一体化柔性触摸屏结构示意图；2 is a schematic structural view of an integrated flexible touch screen according to another embodiment of the present invention;
图3是本发明另一实施例的一体化柔性触摸屏结构示意图；3 is a schematic structural view of an integrated flexible touch screen according to another embodiment of the present invention;
图4是本发明另一实施例的一体化柔性触摸屏结构示意图；4 is a schematic structural view of an integrated flexible touch screen according to another embodiment of the present invention;
图5是本发明一实施例所述一体化柔性触摸屏的制作方法流程图。FIG. 5 is a flow chart of a method for manufacturing an integrated flexible touch screen according to an embodiment of the invention.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
请参阅图1，本发明提供一种一体化柔性触摸屏100。所述触摸屏100包括依次层叠的柔性盖板10、偏光层20及触控层30。所述偏光层20形成于所述柔性盖板10上并与所述柔性盖板10形成一体，所述触控层10与所述偏光 层20通过胶层40粘合为一体。通过所述偏光层20形成于所述柔性盖板10上，能够减少一层形成所述偏光层20所需的基板，从而减薄所述一体化柔性触摸屏100。并且，通过在所述触控层10与所述偏光层20之间设置所述胶层40，能够将所述触控层10与所述偏光层20两个功能层隔开，从而避免在形成所述两个制成功能层时，相互之间产生影响，从而保证所述触控层10与所述偏光层20的品质，使所述两个功能层均能正常工作。Referring to FIG. 1, the present invention provides an integrated flexible touch screen 100. The touch screen 100 includes a flexible cover 10 , a polarizing layer 20 , and a touch layer 30 that are sequentially stacked. The polarizing layer 20 is formed on the flexible cover 10 and integrated with the flexible cover 10. The touch layer 10 and the polarizing layer 20 are integrally bonded by a glue layer 40. By forming the polarizing layer 20 on the flexible cover 10, a substrate required for forming the polarizing layer 20 can be reduced, thereby thinning the integrated flexible touch screen 100. Moreover, by providing the glue layer 40 between the touch layer 10 and the polarizing layer 20, the two functional layers of the touch layer 10 and the polarizing layer 20 can be separated to avoid formation. When the two functional layers are formed, an influence is exerted on each other, thereby ensuring the quality of the touch layer 10 and the polarizing layer 20, so that the two functional layers can work normally.
所述柔性盖板10包括柔性衬底11及层叠于所述柔性衬底11一面的硬化薄膜层12。所述柔性衬底11可以为PI、COP、PET等高分子材料，其厚度一般不超过50μm，以保证所述柔性盖板10有较好的弯折特性。本实施例中，所述柔性衬底11为PI材料制成。所述硬化薄膜层12为沉积于所述柔性衬底11的一个一面上的一层薄膜结构，其厚度一般不超过10μm。通过所述硬化薄膜层12能够对增强所述柔性盖板10的一面强度，实现所述柔性盖板10的防摔、耐磨、防水等特性。The flexible cover 10 includes a flexible substrate 11 and a hardened film layer 12 laminated on one side of the flexible substrate 11. The flexible substrate 11 may be a polymer material such as PI, COP, or PET, and the thickness thereof generally does not exceed 50 μm to ensure that the flexible cover 10 has good bending characteristics. In this embodiment, the flexible substrate 11 is made of a PI material. The hardened film layer 12 is a thin film structure deposited on one side of the flexible substrate 11, and its thickness generally does not exceed 10 μm. The strength of one side of the flexible cover 10 can be enhanced by the hardened film layer 12, and the characteristics of the flexible cover 10 such as drop resistance, wear resistance, waterproofness and the like can be achieved.
本发明中，所述偏光层20包括偏光薄膜层21及层叠于所述偏光薄膜层21上的相位延迟层22。其中，所述偏光薄膜层21为线偏振薄膜，该层是通过液晶材料涂布方式制备，与现有的聚乙烯醇(PVA)拉伸制成的薄膜层相比厚度明显降低，其厚度一般小于2μm。通过在所述线偏光薄膜层21的背离所述柔性盖板10的一面增加一个相位延迟层22，使得所述线偏光薄膜层21与所述相位延迟层22组成圆偏振片。通过所述圆偏振片能够降低外部光线射入所述一体化柔性触摸屏100内产生的反射，从而增强设有所述一体化柔性触摸屏100的显示器的显示效果。所述相位延迟层22也是由液晶材料涂布制成的薄膜层(coating retarder)，厚度小于2um。这样所述偏光层20的整体厚度保证在5um以内，从而更进一步的降低所述一体化柔性触摸屏100的厚度。本发明中，所述偏光薄膜层21直接形成于所述柔性衬底11上背离所述硬化薄膜层12的一面，所述相位延迟层22直接形成于所述偏光薄膜层21的一面上。通过将所述偏光薄膜层21直接形成于所述柔性衬底11上，并将所述相位延迟层22直接形成于所述偏光薄膜层21的一面上，相比于现有技术来说，减少了形成所述偏光薄膜层21及所述相位延迟层22的衬底，从而实现所述一体化柔性触摸屏100的减薄。In the present invention, the polarizing layer 20 includes a polarizing film layer 21 and a phase retardation layer 22 laminated on the polarizing film layer 21. Wherein, the polarizing film layer 21 is a linear polarizing film, and the layer is prepared by a liquid crystal material coating method, and the thickness is obviously reduced compared with the film layer formed by stretching of the existing polyvinyl alcohol (PVA), and the thickness thereof is generally Less than 2 μm. By adding a phase retardation layer 22 to the side of the linear polarizing film layer 21 facing away from the flexible cover 10, the linear polarizing film layer 21 and the phase retardation layer 22 constitute a circularly polarizing plate. The reflection of the external light entering the integrated flexible touch screen 100 can be reduced by the circular polarizing plate, thereby enhancing the display effect of the display provided with the integrated flexible touch screen 100. The phase retardation layer 22 is also a coating retarder made of a liquid crystal material and has a thickness of less than 2 um. Thus, the overall thickness of the polarizing layer 20 is guaranteed to be within 5 um, thereby further reducing the thickness of the integrated flexible touch screen 100. In the present invention, the polarizing film layer 21 is directly formed on one side of the flexible substrate 11 facing away from the hardened film layer 12, and the phase retardation layer 22 is directly formed on one surface of the polarizing film layer 21. By forming the polarizing film layer 21 directly on the flexible substrate 11, and forming the phase retardation layer 22 directly on one side of the polarizing film layer 21, it is reduced compared to the prior art. The substrate of the polarizing film layer 21 and the phase retardation layer 22 is formed, thereby achieving thinning of the integrated flexible touch screen 100.
所述触控层30包括柔性触控衬底31及层叠于所述柔性触控衬底31上的触控线路层32。所述柔性触控衬底31可以为PI、COP、PET等高分子材料，以保证所述触控层30有较好的弯折特性。本实施例中，所述柔性触控衬底31为PET材料制成。The touch layer 30 includes a flexible touch substrate 31 and a touch line layer 32 stacked on the flexible touch substrate 31 . The flexible touch substrate 31 can be a polymer material such as PI, COP, or PET to ensure that the touch layer 30 has good bending characteristics. In this embodiment, the flexible touch substrate 31 is made of PET material.
所述触控层30与所述偏光层20之间设有胶层40，通过所述胶层40将所述触控层30与所述偏光层20粘合为一体。本实施例中，所述触控线路层32通过所述胶层40与所述偏光层20的相位延迟层22粘合，从而使得所述触控线路层32更靠近所述柔性盖板10，在所述柔性盖板10上进行触控操作时，能够更好的实现所述触控线路层32的触控功能。可以理解的是，在其它实施例中，也可以将所述相位延迟层22通过所述胶层40与所述柔性触控衬底31粘合。本发明中，所述胶层40为PSA或OCA等压敏胶，保证所述触控层30与所述偏光层20粘合的同时，保证所述触控层30的触控功能正常使用。A glue layer 40 is disposed between the touch layer 30 and the polarizing layer 20, and the touch layer 30 and the polarizing layer 20 are bonded together by the glue layer 40. In this embodiment, the touch-control circuit layer 32 is adhered to the phase retardation layer 22 of the polarizing layer 20 through the adhesive layer 40, so that the touch-control circuit layer 32 is closer to the flexible cover 10, When the touch operation is performed on the flexible cover 10, the touch function of the touch line layer 32 can be better realized. It can be understood that in other embodiments, the phase retardation layer 22 can also be bonded to the flexible touch substrate 31 through the adhesive layer 40. In the present invention, the adhesive layer 40 is a pressure sensitive adhesive such as PSA or OCA, which ensures that the touch layer 30 and the polarizing layer 20 are bonded together, and the touch function of the touch layer 30 is normally used.
本实施例中，通过将所述柔性触摸屏100的所述柔性盖板10、偏光层20及触控层30依次层叠，并将所述偏光层20或所述触控层30直接形成于所述柔性盖板10上，从而不需要提供形成所述偏光层20或所述触控层30的衬底，进而实现所述柔性触摸屏100的减薄。In this embodiment, the flexible cover 10, the polarizing layer 20, and the touch layer 30 of the flexible touch screen 100 are sequentially stacked, and the polarizing layer 20 or the touch layer 30 is directly formed on the On the flexible cover 10, it is not necessary to provide a substrate for forming the polarizing layer 20 or the touch layer 30, thereby achieving thinning of the flexible touch screen 100.
请参阅图2，本发明另一实施例中，提供一种一体化柔性触摸屏200，所述一体化柔性触摸屏200与本发明图1所述一体化柔性触摸屏100的差别在于：所述偏光层20不包括所述相位延迟层22。所述触控层30包括所述触控线路层32及所述相位延迟层22，而不包括所述柔性触控衬底31，其中，所述触控线路层32层叠于所述相位延迟层22上。本实施例中，所述胶层40位于所述偏光薄膜层21与所述触控线路层32之间并粘合所述偏光薄膜层21与所述触控线路层32。可以理解的是，在本发明其它实施例中，也可以将所述相位延迟层22通过所述胶层40与所述偏光薄膜层21粘合，以实现所述触控层30与所述偏光层20的粘合。本实施例中，由于所述触控层30相对于所述的一体化柔性触摸屏100中的所述触控层30不包括所述柔性触控衬底31，从而能够进一步减薄所述一体化柔性触摸屏200的厚度，从而实现更好的弯折特性。Referring to FIG. 2, in another embodiment of the present invention, an integrated flexible touch screen 200 is provided. The integrated flexible touch screen 200 differs from the integrated flexible touch screen 100 of FIG. 1 in the present invention in that the polarizing layer 20 is The phase retardation layer 22 is not included. The touch layer 30 includes the touch line layer 32 and the phase retardation layer 22, and does not include the flexible touch substrate 31. The touch line layer 32 is stacked on the phase retardation layer. 22 on. In this embodiment, the adhesive layer 40 is located between the polarizing film layer 21 and the touch control layer 32 and bonds the polarizing film layer 21 and the touch wiring layer 32. It is to be understood that, in other embodiments of the present invention, the phase retardation layer 22 may be adhered to the polarizing film layer 21 through the adhesive layer 40 to implement the touch layer 30 and the polarized light. Bonding of layer 20. In this embodiment, the touch layer 30 does not include the flexible touch substrate 31 with respect to the touch layer 30 in the integrated flexible touch screen 100, so that the integration can be further reduced. The thickness of the flexible touch screen 200 is such that better bending characteristics are achieved.
请参阅图3，本发明另一实施例中，提供一种一体化柔性触摸屏300，所 述一体化柔性触摸屏300与本发明图1所述一体化柔性触摸屏100的差别在于：所述触控层30仅包括触控线路层31，所述触控线路层31形成于所述柔性衬底上11背离所述硬化薄膜层12的一面，即所述触控层30形成于所述柔性盖板10上。其中，所述偏光层20的偏光薄膜层21通过所述胶层40与所述触控线路层31粘合。Referring to FIG. 3, in another embodiment of the present invention, an integrated flexible touch screen 300 is provided. The integrated flexible touch screen 300 differs from the integrated flexible touch screen 100 of FIG. 1 in the present invention in that: the touch layer The touch-control circuit layer 31 is formed on the flexible substrate 11 opposite to the hardened film layer 12, that is, the touch layer 30 is formed on the flexible cover 10 on. The polarizing film layer 21 of the polarizing layer 20 is bonded to the touch wiring layer 31 through the adhesive layer 40.
请参阅图4，本发明另一实施例中，提供一种一体化柔性触摸屏400，所述一体化柔性触摸屏400与本发明图1所述一体化柔性触摸屏100的差别在于：所述触控层20与所述柔性盖板10也通过所述胶层40粘合为一体。Referring to FIG. 4, in another embodiment of the present invention, an integrated flexible touch screen 400 is provided. The integrated flexible touch screen 400 differs from the integrated flexible touch screen 100 of FIG. 1 in the present invention in that the touch layer is The flexible cover 10 is also bonded to the flexible cover 10 by the glue layer 40.
本发明还提供一种OLED显示器，所述OLED显示器包括OLED显示面板及上述的任意一种所述一体化柔性触摸屏，所述一体化柔性触摸屏层叠于所述OLED显示面板上，所述一体化柔性触摸屏同样通过所述胶层40与所述OLED显示面板进行贴合。本发明中，通过将所述一体化柔性触摸屏的柔性盖板10、偏光层20及触控层30形成一体结构，使得在制作所述OLED显示器时，能够直接将所述一体化柔性触摸屏与所述OLED显示面板进行一次贴合工艺即可得到，从而简化所述OLED显示器的制程，提高所述OLED显示器的产品良率。The present invention also provides an OLED display, comprising an OLED display panel and any one of the above-mentioned integrated flexible touch screens, wherein the integrated flexible touch screen is laminated on the OLED display panel, the integrated flexible The touch screen is also bonded to the OLED display panel through the adhesive layer 40. In the present invention, by forming the flexible cover 10, the polarizing layer 20 and the touch layer 30 of the integrated flexible touch screen into an integrated structure, when the OLED display is fabricated, the integrated flexible touch screen can be directly The OLED display panel can be obtained by performing a bonding process, thereby simplifying the process of the OLED display and improving the product yield of the OLED display.
请参阅图5，本发明还提供所述一体化柔性触摸屏100的制作方法，包括：Referring to FIG. 5, the present invention further provides a method for fabricating the integrated flexible touch screen 100, including:
步骤110、制备得到所述柔性盖板10。提供一所述柔性衬底11，在所述柔性衬底11的一面通过涂布、转印或气相沉积等工艺形成所述硬化薄膜层12，即得到包括所述柔性衬底11及所述硬化薄膜层12的所述柔性盖板10。 Step 110, preparing the flexible cover 10 . Providing the flexible substrate 11 on the one side of the flexible substrate 11 by forming a hardened film layer 12 by a process such as coating, transfer or vapor deposition, that is, obtaining the flexible substrate 11 and the hardening The flexible cover 10 of the film layer 12.
步骤120、在所述柔性盖板10上形成偏光层20。在所述柔性衬底11背离所述硬化薄膜层12的一面通过涂布、转印或者气相沉积等方式形成所述偏光薄膜层21。在所述偏光薄膜层21背离所述柔性盖板10的一面通过涂布、转印或气相沉积等工艺形成相位延迟层22，即得到包括所述偏光薄膜层21及所述相位延迟层22的所述偏光层20。其中，所述偏光薄膜层21相对于所述相位延迟层22来说，更靠近所述柔性盖板10，从而使得从所述柔性盖板10外进来的光线，能够被所述偏光层20吸收，从而减少反射。本实施例中，所述偏光薄膜层21通过液晶材料涂布的方式得到，其厚度一般小于2μm，与现有的聚乙烯醇(PVA)拉伸制成的薄膜层相比厚度明显降低。所述相位延迟层22 也通过液晶材料涂布的方式得到，厚度小于2um。这样所述偏光层20的整体厚度保证在5um以内，大大降低了所述偏光层20的整体厚度，从而更进一步的降低所述一体化柔性触摸屏100的厚度。 Step 120, forming a polarizing layer 20 on the flexible cover 10. The polarizing film layer 21 is formed by coating, transfer or vapor deposition on the side of the flexible substrate 11 facing away from the cured film layer 12. Forming the phase retardation layer 22 by a process such as coating, transfer or vapor deposition on the side of the polarizing film layer 21 facing away from the flexible cover sheet 10, that is, obtaining the polarizing film layer 21 and the phase retardation layer 22 The polarizing layer 20 is. Wherein, the polarizing film layer 21 is closer to the flexible cover 10 relative to the phase retardation layer 22, so that light entering from the flexible cover 10 can be absorbed by the polarizing layer 20. , thereby reducing reflections. In the present embodiment, the polarizing film layer 21 is obtained by coating a liquid crystal material, and the thickness thereof is generally less than 2 μm, which is significantly lower than that of the conventional polyvinyl alcohol (PVA) stretched film layer. The phase retardation layer 22 is also obtained by coating a liquid crystal material with a thickness of less than 2 um. Thus, the overall thickness of the polarizing layer 20 is guaranteed to be within 5 um, which greatly reduces the overall thickness of the polarizing layer 20, thereby further reducing the thickness of the integrated flexible touch screen 100.
步骤130、制备得到所述触控层30。提供所述柔性触控基板31。在所述柔性触控基板31的一面通过气相沉积或者溅射等工艺沉积触控材料层，图案化所述触控材料层形成所述触控走线层32，即得到包括所述柔性触控基板31及所述触控走线层32的所述触控层30。Step 130: Prepare the touch layer 30. The flexible touch substrate 31 is provided. Depositing a touch material layer on one surface of the flexible touch substrate 31 by vapor deposition or sputtering, and patterning the touch material layer to form the touch trace layer 32, thereby obtaining the flexible touch The substrate 31 and the touch layer 30 of the touch trace layer 32.
步骤140、将所述触控层30与所述偏光层20通过所述胶层40粘合。将制备得到的所述触控层30与所述偏光层20通过所述胶层40粘合为一体，从而使得包括一体化的所述触控层30、所述偏光层20及所述柔性盖板10的所述一体化柔性触摸屏100。 Step 140, bonding the touch layer 30 and the polarizing layer 20 through the adhesive layer 40. The prepared touch layer 30 and the polarizing layer 20 are integrally bonded through the adhesive layer 40 so as to include the integrated touch layer 30, the polarizing layer 20 and the flexible cover. The integrated flexible touch screen 100 of the board 10.
在本发明的其它实施例形成所述一体化柔性触摸屏200的制作方法中，与形成所述一体化柔性触摸屏100的制作方法的差别在于：In the method for fabricating the integrated flexible touch screen 200 in other embodiments of the present invention, the difference from the method of forming the integrated flexible touch screen 100 is as follows:
步骤120包括在所述柔性衬底11背离所述硬化薄膜层12的一面通过涂布、转印或者气相沉积等方式形成所述偏光薄膜层21。The step 120 includes forming the polarizing film layer 21 by coating, transfer or vapor deposition on the side of the flexible substrate 11 facing away from the cured film layer 12.
步骤130包括提供一基板，在所述基板上通过涂布、转印或者气相沉积等方式形成所述相位延迟层22。在所述相位延迟层22背离所述基板的一面通过气相沉积或者溅射等工艺沉积所述触控材料层，再图案化所述触控材料层形成所述触控走线层32。最后再剥离所述基板，从而得到包括所述相位延迟层22及所述触控走线层32的所述触控层30。通过在所述基板上形成所述相位延迟层22及所述触控走线层32后剥离所述基板的方式，保证所述相位延迟层22及所述触控走线层32形成的同时，尽量减薄所述一体化柔性触摸屏200的厚度。Step 130 includes providing a substrate on which the phase retardation layer 22 is formed by coating, transfer or vapor deposition. The touch material layer is deposited by a process such as vapor deposition or sputtering on the side of the phase retardation layer 22 facing away from the substrate, and the touch material layer is patterned to form the touch trace layer 32. Finally, the substrate is peeled off to obtain the touch layer 30 including the phase retardation layer 22 and the touch trace layer 32. After the phase retardation layer 22 and the touch trace layer 32 are formed on the substrate, the substrate is peeled off, and the phase retardation layer 22 and the touch trace layer 32 are formed simultaneously. The thickness of the integrated flexible touch screen 200 is reduced as much as possible.
在本发明的其它实施例形成所述一体化柔性触摸屏300的制作方法中，与形成所述一体化柔性触摸屏100的制作方法的差别在于：In the method for fabricating the integrated flexible touch screen 300 in other embodiments of the present invention, the difference from the method of forming the integrated flexible touch screen 100 is as follows:
步骤120为在所述柔性盖板10上形成所述触控层30。具体的，所述触控层30包括所述触控走线层32。在所述柔性衬底11背离所述硬化薄膜层12的一面通过气相沉积或者溅射等工艺沉积所述触控材料层，再图案化所述触控材料层形成所述触控走线层32，即形成包括所述触控走线层32的所述触控层30。Step 120 is to form the touch layer 30 on the flexible cover 10. Specifically, the touch layer 30 includes the touch trace layer 32. Depositing the touch material layer on the side of the flexible substrate 11 facing away from the hardened film layer 12 by vapor deposition or sputtering, and then patterning the touch material layer to form the touch trace layer 32. The touch layer 30 including the touch trace layer 32 is formed.
步骤130为制备得到所述偏光层20。具体的，所述偏光层30包括所述偏光薄膜层21及所述相位延迟层22。提供一基板，在所述基板一面通过涂布、转印或者气相沉积等方式形成所述相位延迟层22，再在所述相位延迟层22背离所述基板的一面通过涂布、转印或者气相沉积等方式形成所述偏光薄膜层21，形成所述偏光薄膜层21及所述相位延迟层22后剥离所述基板。Step 130 is to prepare the polarizing layer 20. Specifically, the polarizing layer 30 includes the polarizing film layer 21 and the phase retardation layer 22 . Providing a substrate, forming the phase retardation layer 22 on one side of the substrate by coating, transfer or vapor deposition, and then coating, transferring or vaporizing the side of the phase retardation layer 22 away from the substrate The polarizing film layer 21 is formed by deposition or the like, and the polarizing film layer 21 and the phase retardation layer 22 are formed, and then the substrate is peeled off.
步骤140为将所述触控层30与所述偏光层20通过所述胶层40粘合。具体的，将所述偏光层20的所述偏光薄膜层21与所述触控电路层32通过所述胶层40进行粘合。可以理解的是，所述步骤130中剥离所述基板也可以在完成所述步骤“将所述触控层30与所述偏光层20通过所述胶层40粘合”后再进行。Step 140 is to bond the touch layer 30 and the polarizing layer 20 through the adhesive layer 40. Specifically, the polarizing film layer 21 of the polarizing layer 20 and the touch circuit layer 32 are bonded by the adhesive layer 40. It can be understood that the peeling of the substrate in the step 130 can also be performed after the step of “bonding the touch layer 30 and the polarizing layer 20 through the adhesive layer 40” is completed.
在本发明的其它实施例形成所述一体化柔性触摸屏400的制作方法中，与形成所述一体化柔性触摸屏100的制作方法的差别在于：In the method for fabricating the integrated flexible touch screen 400 in other embodiments of the present invention, the difference from the method of forming the integrated flexible touch screen 100 is as follows:
步骤120为制备得到所述偏光层20。具体的，所述偏光层30包括所述偏光薄膜层21及所述相位延迟层22。提供一基板，在所述基板一面通过涂布、转印或者气相沉积等方式形成所述相位延迟层22，再在所述相位延迟层22背离所述基板的一面通过涂布、转印或者气相沉积等方式形成所述偏光薄膜层21，形成所述偏光薄膜层21及所述相位延迟层22后剥离所述基板。Step 120 is to prepare the polarizing layer 20. Specifically, the polarizing layer 30 includes the polarizing film layer 21 and the phase retardation layer 22 . Providing a substrate, forming the phase retardation layer 22 on one side of the substrate by coating, transfer or vapor deposition, and then coating, transferring or vaporizing the side of the phase retardation layer 22 away from the substrate The polarizing film layer 21 is formed by deposition or the like, and the polarizing film layer 21 and the phase retardation layer 22 are formed, and then the substrate is peeled off.
步骤140为将所述偏光层20与所述柔性盖板10通过所述胶层40粘合，将所述触控层30与所述偏光层20通过所述胶层40粘合。可以理解的是，两次所述粘合过程可以调换。具体的，将所述偏光层20的偏光薄膜层21与所述柔性盖板10的柔性衬底11进行粘合，将所述偏光层20的相位延迟层22与所述触控层30的触控电路层32进行贴合。Step 140 is to bond the polarizing layer 20 and the flexible cover 10 through the adhesive layer 40, and bond the touch layer 30 and the polarizing layer 20 through the adhesive layer 40. It will be appreciated that the two bonding processes can be reversed. Specifically, the polarizing film layer 21 of the polarizing layer 20 is bonded to the flexible substrate 11 of the flexible cover 10, and the phase retardation layer 22 of the polarizing layer 20 and the touch layer 30 are touched. The control circuit layer 32 is bonded.
本发明提供的一体化柔性触摸屏及其制作方法，通过将所述柔性触摸屏的所述柔性盖板10、偏光层20及触控层30依次层叠，并将所述偏光层20或所述触控层30直接形成于所述柔性盖板10上，从而不需要提供形成所述偏光层20或所述触控层30的衬底，进而实现所述柔性触摸屏的减薄。并且，将所述触控层20与所述偏光层30粘合为一体，从而使得所述一体化柔性触摸屏的柔性盖板10、偏光层20及触控层30形成一体结构。因此，在制作所述OLED显示器时，能够直接将所述一体化柔性触摸屏与所述OLED显示面板进行一 次贴合工艺即可得到，从而简化所述OLED显示器的制程，提高所述OLED显示器的产品良率。The integrated flexible touch screen and the manufacturing method thereof are provided by sequentially laminating the flexible cover 10, the polarizing layer 20 and the touch layer 30 of the flexible touch screen, and the polarizing layer 20 or the touch The layer 30 is directly formed on the flexible cover 10, so that it is not necessary to provide a substrate for forming the polarizing layer 20 or the touch layer 30, thereby achieving thinning of the flexible touch screen. Moreover, the touch layer 20 and the polarizing layer 30 are integrally bonded, so that the flexible cover 10, the polarizing layer 20 and the touch layer 30 of the integrated flexible touch screen form an integrated structure. Therefore, when the OLED display is fabricated, the integrated flexible touch screen and the OLED display panel can be directly subjected to a bonding process, thereby simplifying the process of the OLED display and improving the product of the OLED display. Yield.
以上所揭露的仅为本发明一种较佳实施例而已，当然不能以此来限定本发明之权利范围，本领域普通技术人员可以理解实现上述实施例的全部或部分流程，并依本发明权利要求所作的等同变化，仍属于发明所涵盖的范围。The above disclosure is only a preferred embodiment of the present invention, and of course, the scope of the present invention is not limited thereto, and those skilled in the art can understand all or part of the process of implementing the above embodiments, and according to the present invention. The equivalent changes required are still within the scope of the invention.

Claims (13)

  1. 一种一体化柔性触摸屏，其中，包括层叠设置的柔性盖板、偏光层及触控层，所述偏光层或触控层形成于所述柔性盖板上，所述触控层与所述偏光层层叠设置且粘合为一体。An integrated flexible touch screen, comprising a laminated flexible cover, a polarizing layer and a touch layer, wherein the polarizing layer or the touch layer is formed on the flexible cover, the touch layer and the polarized light The layers are layered and bonded together.
  2. 如权利要求1所述的一体化柔性触摸屏，其中，所述柔性盖板包括柔性衬底及层叠于所述柔性衬底一面的硬化薄膜层；所述偏光层包括偏光薄膜层及层叠于所述偏光薄膜层一面的相位延迟层，所述偏光薄膜层形成于所述柔性衬底上背离所述硬化薄膜层的一面；所述触控层包括柔性触控衬底及层叠于所述柔性触控衬底上的触控线路层。The integrated flexible touch screen of claim 1 , wherein the flexible cover comprises a flexible substrate and a hardened film layer laminated on one side of the flexible substrate; the polarizing layer comprises a polarizing film layer and is laminated on the a phase retardation layer on one side of the polarizing film layer, the polarizing film layer being formed on a side of the flexible substrate facing away from the hardened film layer; the touch layer comprising a flexible touch substrate and being laminated on the flexible touch The touch line layer on the substrate.
  3. 如权利要求1所述的一体化柔性触摸屏，其中，所述柔性盖板包括柔性衬底及层叠于所述柔性衬底一面的硬化薄膜层，所述偏光层包括偏光薄膜层，所述偏光薄膜层形成于所述柔性衬底上背离所述硬化薄膜层的一面；所述触控层包括相位延迟层，及层叠于所述相位延迟层上的触控线路层。The integrated flexible touch screen of claim 1, wherein the flexible cover comprises a flexible substrate and a hardened film layer laminated on one side of the flexible substrate, the polarizing layer comprising a polarizing film layer, the polarizing film a layer is formed on a side of the flexible substrate facing away from the hardened film layer; the touch layer includes a phase retardation layer, and a touch line layer laminated on the phase retardation layer.
  4. 如权利要求1所述的一体化柔性触摸屏，其中，所述柔性盖板包括柔性衬底及层叠于所述柔性衬底一面的硬化薄膜层；所述触控层包括触控线路层，所述触控线路层形成于所述柔性衬底上背离所述硬化薄膜层的一面；所述偏光层包括偏光薄膜层及层叠于所述偏光薄膜层一面的相位延迟层，所述偏光薄膜层与所述触控线路层粘合。The integrated flexible touch screen of claim 1 , wherein the flexible cover comprises a flexible substrate and a hardened film layer laminated on one side of the flexible substrate; the touch layer comprises a touch circuit layer, a touch line layer is formed on a side of the flexible substrate facing away from the hardened film layer; the polarizing layer includes a polarizing film layer and a phase retardation layer laminated on one side of the polarizing film layer, and the polarizing film layer The touch circuit layer is bonded.
  5. 一种OLED显示器，其中，所述OLED显示器包括OLED显示面板及一体化柔性触摸屏，所述一体化柔性触摸屏层叠于所述OLED显示面板上；所述一体化柔性触摸屏包括层叠设置的柔性盖板、偏光层及触控层，所述偏光层或触控层形成于所述柔性盖板上，所述触控层与所述偏光层层叠设置且粘合为一体。An OLED display, wherein the OLED display comprises an OLED display panel and an integrated flexible touch screen, the integrated flexible touch screen is laminated on the OLED display panel; the integrated flexible touch screen comprises a flexible cover plate arranged in a stack, The polarizing layer and the touch layer are formed on the flexible cover plate, and the touch layer is laminated and bonded to the polarizing layer.
  6. 如权利要求5所述的OLED显示器，其中，所述柔性盖板包括柔性衬底及层叠于所述柔性衬底一面的硬化薄膜层；所述偏光层包括偏光薄膜层及层叠于所述偏光薄膜层一面的相位延迟层，所述偏光薄膜层形成于所述柔性衬底上背离所述硬化薄膜层的一面；所述触控层包括柔性触控衬底及层叠于所述柔性触控衬底上的触控线路层。The OLED display of claim 5, wherein the flexible cover comprises a flexible substrate and a hardened film layer laminated on one side of the flexible substrate; the polarizing layer comprises a polarizing film layer and is laminated on the polarizing film a phase retardation layer on one side of the layer, the polarizing film layer being formed on a side of the flexible substrate facing away from the hardened film layer; the touch layer comprising a flexible touch substrate and being laminated on the flexible touch substrate The touch circuit layer on the top.
  7. 如权利要求5所述的OLED显示器，其中，所述柔性盖板包括柔性衬底及层叠于所述柔性衬底一面的硬化薄膜层，所述偏光层包括偏光薄膜层，所述偏光薄膜层形成于所述柔性衬底上背离所述硬化薄膜层的一面；所述触控层包括相位延迟层，及层叠于所述相位延迟层上的触控线路层。The OLED display of claim 5, wherein the flexible cover comprises a flexible substrate and a hardened film layer laminated on one side of the flexible substrate, the polarizing layer comprising a polarizing film layer, and the polarizing film layer is formed a side of the flexible substrate facing away from the hardened film layer; the touch layer includes a phase retardation layer, and a touch line layer laminated on the phase retardation layer.
  8. 如权利要求5所述的OLED显示器，其中，所述柔性盖板包括柔性衬底及层叠于所述柔性衬底一面的硬化薄膜层；所述触控层包括触控线路层，所述触控线路层形成于所述柔性衬底上背离所述硬化薄膜层的一面；所述偏光层包括偏光薄膜层及层叠于所述偏光薄膜层一面的相位延迟层，所述偏光薄膜层与所述触控线路层粘合。The OLED display of claim 5, wherein the flexible cover comprises a flexible substrate and a hardened film layer laminated on one side of the flexible substrate; the touch layer comprises a touch line layer, the touch a circuit layer formed on a side of the flexible substrate facing away from the hardened film layer; the polarizing layer includes a polarizing film layer and a phase retardation layer laminated on one side of the polarizing film layer, the polarizing film layer and the touch Control the wiring layer bonding.
  9. 一体化柔性触摸屏的制作方法，其中，包括步骤：The method for manufacturing an integrated flexible touch screen, comprising the steps of:
    制备得到柔性盖板；Preparing a flexible cover sheet;
    在所述柔性盖板上形成偏光层；Forming a polarizing layer on the flexible cover;
    制备得到触控层；Preparing a touch layer;
    将所述触控层粘合于所述偏光层背离所述柔性盖板的一面。Bonding the touch layer to a side of the polarizing layer facing away from the flexible cover.
  10. 如权利要求9所述的一体化柔性触摸屏的制作方法，其中，所述步骤“在所述柔性盖板上形成偏光层”包括：The method of manufacturing an integrated flexible touch screen according to claim 9, wherein the step of "forming a polarizing layer on the flexible cover" comprises:
    在所述柔性盖板的一面形成偏光薄膜层；在所述偏光薄膜层背离所述柔性盖板的一面形成相位延迟层，所述偏光层包括所述偏光薄膜层及所述相位延迟层。Forming a polarizing film layer on one surface of the flexible cover; forming a phase retardation layer on a side of the polarizing film layer facing away from the flexible cover plate, the polarizing layer comprising the polarizing film layer and the phase retardation layer.
  11. 如权利要求10所述的一体化柔性触摸屏的制作方法，其中，所述步骤“制备得到触控层”包括：The method of manufacturing the integrated flexible touch screen of claim 10, wherein the step of "preparing the touch layer" comprises:
    提供柔性触控基板；Providing a flexible touch substrate;
    在所述柔性触控基板的一面沉积触控材料层；Depositing a layer of a touch material on one side of the flexible touch substrate;
    图案化所述触控材料层形成触控走线层，所述触控层包括所述柔性触控基板及所述触控走线层。The touch layer is patterned to form a touch trace layer, and the touch layer includes the flexible touch substrate and the touch trace layer.
  12. 如权利要求9所述的一体化柔性触摸屏的制作方法，其中，所述步骤“在所述柔性盖板上形成偏光层”包括：The method of manufacturing an integrated flexible touch screen according to claim 9, wherein the step of "forming a polarizing layer on the flexible cover" comprises:
    通过涂布、转印或贴合的方式在所述柔性盖板的一面形成偏光薄膜层，所述偏光层包括所述偏光薄膜层。A polarizing film layer is formed on one surface of the flexible cover sheet by coating, transfer or bonding, and the polarizing layer includes the polarizing film layer.
  13. 如权利要求12所述的一体化柔性触摸屏的制作方法，其中，所述步骤“制备得到触控层”包括：The method of manufacturing the integrated flexible touch screen of claim 12, wherein the step of "preparing the touch layer" comprises:
    提供一基板，在所述基板上形成相位延迟层；Providing a substrate on which a phase retardation layer is formed;
    在所述相位延迟层背离所述基板的一面沉积触控材料层；Depositing a layer of a touch material on a side of the phase retardation layer facing away from the substrate;
    图案化所述触控材料层形成触控走线层；Patterning the touch material layer to form a touch trace layer;
    剥离所述基板，所述触控层包括所述相位延迟层及所述触控走线层。The substrate is peeled off, and the touch layer includes the phase retardation layer and the touch trace layer.
PCT/CN2018/074631 2017-12-15 2018-01-30 Integrated flexible touch screen and manufacturing method thereof, and oled display device WO2019114115A1 (en)

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