WO2019210666A1 - 显示屏、屏体切割方法 - Google Patents

显示屏、屏体切割方法 Download PDF

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Publication number
WO2019210666A1
WO2019210666A1 PCT/CN2018/113546 CN2018113546W WO2019210666A1 WO 2019210666 A1 WO2019210666 A1 WO 2019210666A1 CN 2018113546 W CN2018113546 W CN 2018113546W WO 2019210666 A1 WO2019210666 A1 WO 2019210666A1
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WO
WIPO (PCT)
Prior art keywords
layer
glass
cover glass
crack
substrate glass
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Application number
PCT/CN2018/113546
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English (en)
French (fr)
Inventor
刘金涛
李素华
王鹏
刘海亮
Original Assignee
云谷（固安）科技有限公司
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Application filed by 云谷（固安）科技有限公司 filed Critical 云谷（固安）科技有限公司
Priority to US16/446,658 priority Critical patent/US10933610B2/en
Publication of WO2019210666A1 publication Critical patent/WO2019210666A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods

Definitions

  • the present application relates to the field of display technologies, and in particular, to a display screen and a screen cutting method.
  • the screen slotting technology is mainly applied to the research and design of the shaped screen, in order to expand the proportion of the screen body, to achieve a narrow border screen or even a full screen.
  • many types of products have been mass-produced by using the special-shaped screen slotting technology.
  • the traditional screen body slotting method is mainly shaped cutting, that is, an irregular shape of the mounting groove is cut on the screen body, and the mounting slot is reserved for the front camera, the light sense, the earpiece and the like.
  • the profile cutting is prone to chipping or fragmentation when the groove is formed, resulting in an increase in the defect rate of the screen.
  • the present application provides a display screen comprising: a screen body comprising a cover glass and a substrate glass; the cover glass and the substrate glass each having a bonding surface and an outer surface opposite to the bonding surface; wherein the cover glass
  • the outer surface and the outer surface of the substrate glass are provided with a crack-proof layer at least in a peripheral region corresponding to the predetermined grooved region of the screen body.
  • the bonding surface of the cover glass and the bonding surface of the substrate glass are bonded together.
  • the crack prevention layer completely covers the outer surface of the cover glass and the outer surface of the substrate glass.
  • the projected shape of the crack prevention layer on the plane of the screen body is consistent with the shape of the screen body from which the preset slotted area is removed.
  • the crack prevention layer has a portion that protrudes from the edge of the screen body.
  • the crack prevention layer is bonded to the outer surface of the cover glass and the outer surface of the substrate glass.
  • the crack prevention layer is a tape layer, or a bonding layer formed by laminating a glue layer and a metal layer, or a mixed layer formed by mixing a glue and a metal material.
  • the crack prevention layer is a bonding layer formed by superposing a glue layer and a metal layer
  • the metal layer is a metal mesh layer or a metal sheet layer.
  • the above-mentioned upper surface of the cover glass and the outer surface of the substrate glass are adhered with a crack-proof layer for reducing the phenomenon of chipping or chipping of the screen when the groove is formed, reducing cracking of the cover glass and the substrate glass, and improving the screen.
  • the overall strength of the body improves the yield of the product.
  • the application also provides a screen cutting method, comprising the following steps:
  • cover glass and a substrate glass each having a bonding surface and an outer surface opposite to the bonding surface, and the cover glass and the substrate glass respectively have a predetermined slotted area
  • the step of providing a crack-proof layer on the outer surface of the cover glass and the outer surface of the substrate glass respectively comprises: bonding the crack-proof layer to the outer surface of the cover glass and the outer surface of the substrate glass, and the crack-proof layer is completely covered.
  • the crack prevention layer covering the preset grooved area is removed.
  • the step of removing the crack prevention layer covering the preset slotted area comprises: first cutting the crack prevention layer covering the preset slot area, and then removing the crack prevention layer covering the preset slot area.
  • the step of providing a crack-proof layer on the outer surface of the cover glass and the outer surface of the substrate glass respectively comprises: bonding the crack-proof layer to the outer surface of the cover glass and the outer surface of the substrate glass, and the crack-proof layer has The corresponding processing slot of the slotted area is preset.
  • the width of the crack prevention layer is greater than the width of the corresponding cover glass or the width of the substrate glass, and/or the length of the crack prevention layer is greater than the length of the corresponding cover glass or the length of the substrate glass.
  • the method further comprises the steps of: removing the outer surface of the cover glass and the crack prevention layer on the outer surface of the substrate glass.
  • the method further comprises the steps of: wiping off the outer surface of the cover glass and the remaining surface of the substrate glass with alcohol Crack prevention layer.
  • the bonding surface of the cover glass and the bonding surface of the substrate glass are bonded together.
  • a crack prevention layer is formed on the upper surface of the cover glass and the outer surface of the substrate glass, and the phenomenon of chipping or breaking of the screen body can be reduced when the screen body is slotted, and the cover is reduced.
  • the glass and the substrate glass are cracked, which improves the overall strength of the screen and improves the yield of the product.
  • the present application also provides a display screen in which the display screen is fabricated using the above-described screen cutting method.
  • the present application also provides a display device configured with the above display screen.
  • a crack-proof layer is adhered to the upper surface of the cover glass and the outer surface of the substrate glass, and then the cutting operation is performed, thereby reducing the impact of the cutting force on the screen body, thereby reducing the phenomenon of collapse or breakage of the screen body and reducing the screen body.
  • the crack increases the overall strength of the screen and improves the yield of the product.
  • FIG. 1 is a schematic structural diagram of a display screen body according to an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of a display screen body according to another embodiment of the present application.
  • FIG. 3 is a cross-sectional view of a display screen body according to an embodiment of the present application.
  • FIG. 4 is a cross-sectional view of a display screen body according to another embodiment of the present application.
  • Figure 5 is a cross-sectional view of a display screen body according to another embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of another display screen according to an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a display device according to an embodiment of the present application.
  • FIG. 8 is a flow chart of a screen cutting method according to an embodiment of the present application.
  • the display screen 100 includes a screen body 110 that includes a cover glass 112 and a substrate glass 114 that are bonded together. Specifically, both the cover glass 112 and the substrate glass 114 have a bonding surface and an outer surface facing the bonding surface, and the bonding surface of the cover glass 112 and the bonding surface of the substrate glass 114 are bonded together. Of course, in other embodiments, an intermediate layer may be interposed between the bonding surfaces of the cover glass 112 and the substrate glass 114 constituting the screen body 110.
  • the outer surface of the cover glass 112 and the outer surface of the substrate glass 114 are provided with a crack prevention layer 130 at least in a peripheral region corresponding to the predetermined grooved area 120 of the screen body.
  • the crack prevention layer 130 is bonded, for example, to the outer surface of the cover glass 112 and the outer surface of the substrate glass 114.
  • the screen 110 By affixing the crack preventing layer 130 on the outer surface of the cover glass 112 of the screen body 110 and the peripheral area of the predetermined grooved area 120 of the outer surface of the substrate glass 114, the screen 110 can be effectively cut when the screen 110 is grooved.
  • the phenomenon of chipping or breaking of the body 110 reduces the occurrence of cracks in the cover glass 112 and the substrate glass 114, thereby improving the overall strength of the screen body 110 and improving the product yield.
  • the crack prevention layer 130 can be removed in a subsequent operation.
  • the crack prevention layer 130 can have various configurations as long as it functions to avoid the occurrence of chipping or fracture of the screen body 110 during the grooving process, and is easy to remove from the screen body 110 when it is not required to be used.
  • the crack-proof layer 130 is made of a high-temperature tape, and the crack-proof layer 130 is formed by attaching a high-temperature tape to the outer surface of the cover glass 112 and the outer surface of the substrate glass 114, respectively.
  • a high temperature resistant adhesive layer 132 may be first coated on the outer surface of the cover glass 112, and a metal layer 134 may be coated on the upper surface of the high temperature resistant adhesive layer 132.
  • the metal layer 134 may be metal.
  • the mesh layer or the metal sheet layer likewise, a high temperature resistant adhesive layer 132 is first coated on the outer surface of the substrate glass 114, and a metal layer 134 is applied on the high temperature resistant adhesive layer 132.
  • the metal layer 134 It may be a metal mesh layer or a metal sheet layer, that is, the crack prevention layer 130 is a bonding layer formed by superimposing a high temperature resistant glue layer and a metal layer.
  • metal particles or metal flakes are doped into the glue to form a mixed layer 136, and the mixed layer 136 is adhered to the outer surface of the cover glass 112 and the outer surface of the substrate glass 114, that is, crack prevention.
  • Layer 130 is formed from mixed layer 136.
  • the crack prevention layer 130 of the present application is not limited to the above three forms, and other crack prevention layers 130 capable of reducing the chipping or breaking of the screen body 110 are also within the protection scope of the present application.
  • the preset slotted area 120 of the screen body 110 is used to form a mounting groove after the material is removed, and the mounting groove penetrates the cover glass 112 and the substrate glass 114.
  • the mounting slot can be used to set the camera, light sense, earpiece and other devices.
  • the installation slot is not limited, and can be set according to production assembly requirements.
  • the mounting groove is located at one side edge of the screen body 110.
  • a crack-proof layer 130 is adhered to the outer surfaces of the cover glass 112 and the substrate glass 114.
  • the crack prevention layer 130 does not cover the entire outer surface of the cover glass 112 and the substrate glass 114, but is consistent with the shape of the screen after removing the predetermined grooved area 120, that is, the crack prevention layer 130 is on the plane of the screen body 110.
  • the projected shape is consistent with the shape of the screen after the preset slotted area 120 is removed.
  • the crack prevention layer 130 is adhered to the outer surface of the cover glass 112
  • the area not covered by the crack prevention layer 130 is the predetermined grooved area 120.
  • the crack prevention layer 130 has a processing groove corresponding to the predetermined grooved area 120 on the screen body 110, and the processing groove and the predetermined grooved area 120 are substantially the same in size and shape.
  • the processing groove is an open groove, which may be formed by removing material before the crack preventing layer 130 is stuck to the screen body 110, or formed by a directly reserved opening when the crack preventing layer 130 is formed. It can be understood that, when the installation slot corresponding to the preset slotted area 120 is an open slot, the peripheral area of the preset slotted area 120 of the screen body 110 does not include the open area of the open slot.
  • a crack-proof layer 130 is adhered to the outer surfaces of the cover glass 112 and the substrate glass 114.
  • the crack prevention layer 130 completely covers the outer surface of the cover glass 112 and the outer surface of the substrate glass 114, and the predetermined grooved area 120 is also completely covered.
  • the crack prevention layer 130, the cover glass 112, and the substrate glass 114 at the predetermined grooved area 120 may be directly cut at the same time to form a mounting groove.
  • the crack prevention layer 130 at the predetermined grooved area 120 may be cut in advance, and then the crack prevention layer 130 at the predetermined grooved area 120 may be removed, and the cover glass 112 and the substrate glass 114 may be cut to obtain a mounting groove.
  • the crack prevention layer 130 covering the preset grooved area 120 can be cut by using a numerical control machine tool, the cutting precision can be improved, and the crack prevention layer 130 at the preset grooved area 120 can be removed by using a film uncovering machine.
  • the hardness of the tool used is greater than that of the crack prevention layer 130, which is far lower than the hardness of the screen body 110, and does not affect the surface quality of the screen body 110.
  • the crack guard layer 130 has a portion that protrudes from the edge of the screen body 110, which facilitates the uncovering operation.
  • the present application also discloses a screen cutting method, which includes the following steps:
  • S100 providing a cover glass 112 and a substrate glass 114.
  • the cover glass 112 and the substrate glass 114 each have a bonding surface and an outer surface opposite to the bonding surface, and the cover glass 112 and the substrate glass 114 respectively have a predetermined slot. Area.
  • the bonding surface of the cover glass 112 and the bonding surface of the substrate glass 114 are bonded together to form a screen body 110 of the display screen, and the preset slot area of the cover glass 112 and the substrate glass 114 corresponds to the screen body 110.
  • the screen body 110 may further include an intermediate layer interposed between the bonding surface of the cover glass 112 and the bonding surface of the substrate glass 114.
  • a crack preventing layer 130 is respectively disposed on an outer surface of the cover glass 112 and an outer surface of the substrate glass 114.
  • the crack prevention layer 130 is disposed at least in a peripheral region of the predetermined grooved region 120, and the crack prevention layer 130 is bonded, for example, to the outer surfaces of the cover glass 112 and the substrate glass 114.
  • S300 Slotting in a preset slotted area to form a mounting slot.
  • the screen body 110 can be grooved by a cutter wheel cutting method or a laser cutting method.
  • a crack preventing layer 130 is formed on the outer surface of the cover glass 112 and the outer surface of the substrate glass 114.
  • the screen body 110 can be reduced or broken.
  • the phenomenon of cracking of the cover glass 112 and the substrate glass 114 can reduce the overall strength of the screen body 110 and improve the yield of the product.
  • the step of providing the crack preventing layer 130 on the outer surface of the cover glass 112 and the outer surface of the substrate glass 114 includes bonding the crack preventing layer 130 to the outer surface of the cover glass 112 and the substrate.
  • the crack prevention layer 130 completely covers the outer surface of the cover glass 112 and the outer surface of the substrate glass 114.
  • the crack prevention layer 130 covering the predetermined grooved area 120 of the screen body 110 is removed before the step S300, that is, before the step of grooving the predetermined grooved area 120.
  • the step of removing the crack prevention layer covering the predetermined grooved area 120 of the screen body 110 comprises: first cutting the crack prevention layer 130 covering the preset grooved area 120, and covering the predetermined grooved area 120 to prevent cracking
  • the layer 130 is separated from the crack-proof layer 130 of other portions, and the crack-proof layer covering the predetermined grooved region 120 is removed.
  • the step of providing a crack-proof layer on the outer surface of the cover glass 112 and the outer surface of the substrate glass 114 includes bonding the crack-proof layer 130 to the outer surface of the cover glass 112 and the substrate.
  • the crack prevention layer 130 has a processing groove corresponding to the predetermined grooved area 120, which may be an open groove.
  • the method further includes the steps of: removing the crack prevention layer 130 on the screen body 110, that is, removing the cover glass 112.
  • the crack preventing layer 130 of the screen region other than the mounting groove can be removed by a film unwinding machine.
  • the tool for removing the crack preventing layer 130 is not limited to the film unwinding machine used in the embodiment, and a suitable tool for removing the crack preventing layer 130 can be selected according to the actual production capacity.
  • the method further includes the steps of: wiping off the outer surface of the cover glass 112 and the substrate glass with alcohol A crack-proof layer 130 remains on the outer surface of 114. If the outer surface of the cover glass 112 and the outer surface of the substrate glass 114 have the crack-preventing layer 130 remaining unremoved, the residual crack-proof layer 130 can be wiped off with alcohol, without any coating on the cover glass 112 and the substrate glass 114. Bad effects.
  • other materials capable of removing the crack prevention layer 130 are also within the scope of the present application and are not limited by the embodiment.
  • the width of the crack prevention layer 130 is greater than the width of the screen body 110, that is, the width of the crack prevention layer 130 is greater than the width of the corresponding cover glass 112 or the width of the substrate glass 114; and/or, crack prevention
  • the length of the layer 130 is greater than the length of the screen body 110, that is, the length of the crack prevention layer 130 is greater than the length of the corresponding cover glass 112 or the length of the substrate glass 114.
  • the shape of the crack prevention layer 130 is set to be rectangular, and the screen body 110 can be partially or completely covered as long as the crack prevention layer 130 covers the peripheral groove wall of the predetermined grooved area 120 of the screen body 110.
  • the case where the crack prevention layer 130 protrudes from the screen body 110 can be classified into three types: First, only the width of the crack prevention layer 130 is larger than the width of the screen body 110. Second, only the length of the crack prevention layer 130 is greater than the length of the screen body 110. 3. The width of the crack prevention layer 130 is greater than the width of the screen body 110, and the length of the crack prevention layer 130 is greater than the length of the screen body 110.
  • the size of the crack prevention layer 130 is set such that the size of one side of the crack prevention layer 130 is larger than the corresponding size of the screen body 110, so that the crack prevention layer 130 can be more easily captured after the screen body 110 is cut.
  • the remaining crack guard layer 130 is removed from the outer surface of the cover glass 112 and the outer surface of the substrate glass 114.
  • the present application is not limited to the above embodiment in which the crack prevention layer 130 is uniformly covered on the screen body 110.
  • the crack prevention layer 130 may be formed into an irregular shape, and only the preset opening of the screen body 110 needs to be covered.
  • the peripheral groove wall of the groove area can be used.
  • the crack prevention layer 130 is a tape layer, or a bonding layer formed by laminating a glue layer and a metal layer, or a mixed layer formed by mixing a glue and a metal material.
  • the crack prevention layer 130 is configured to share a part of the cutting force when the screen body 110 is grooved, and reduce the impact of the force applied to the screen body 110 on the screen body 110, thereby reducing the phenomenon of collapse or breakage of the screen body 110, thereby reducing the phenomenon.
  • the crack of the screen body 110 increases the overall strength of the screen body 110.
  • the present application further discloses a display screen 200 including a screen body 110 formed by the above-mentioned screen cutting method, and an end portion of the screen body 110 is formed by the above-mentioned screen body 110 cutting method.
  • the slot 120 is mounted, and the mounting slot 120 extends through the screen 110.
  • a mounting slot 120 formed by the cutting method of the screen body 110 is provided at one end of the screen body 110.
  • the mounting slot 120 can be used to set a camera, a light sensor, an earpiece, and the like.
  • the screen body 110 further includes a cover glass 112 and a substrate glass 114 which are bonded together, and the mounting groove 120 penetrates the screen body 110, that is, penetrates the cover glass 112 and the substrate glass 114. At this time, the surface of the cover glass 112 and the substrate glass 114 in the display screen 200 can completely remove the crack preventing layer 130.
  • the display screen 200 forms the mounting groove 120 by the above-mentioned screen cutting method.
  • the cover glass 112 and the substrate glass 114 have fewer cracks, and the overall strength of the screen body 110 is high, which improves the quality of the display screen 200 and extends the display screen 200. Working life.
  • the present application also discloses a display device 300, including the display screen 200 as above, and a housing 310, which is combined with the display screen 200 for protecting the display screen 200.
  • the housing 310 encloses the substrate glass 114 in the display screen 200 inside the housing 310, so that the outer surface of the cover glass 112 is exposed to the external environment.
  • the cover glass 112 can also be used.
  • a polarizer is added to the outer surface, and a protective glass is added on the polarizer.
  • the housing 310 may surround the contour edge of the cover glass 112 together with the outer surface of the cover glass 112; or may surround the edge of the cover glass 112 and cover the outer surface of the cover glass 112. Small size.
  • the coverage of the housing 310 is not limited to the contoured edges of the entire display screen and may be a partial contoured edge of the display screen, such as a symmetrical two-sided contour.
  • the display device 300 includes a display screen 200 formed by the screen cutting method, and the cover glass 112 and the substrate glass 114 have fewer cracks, and the overall strength of the screen 110 is high, which improves the quality of the display device 300 and extends The operational life of the display device 300 is shown.
  • the crack-proof layer 130 is pasted on the outer surface of the cover glass 112 and the outer surface of the substrate glass 114, and the crack-proof layer 130 of the opening portion of the mounting groove 120 is removed.
  • the impact of the cutting force on the screen body 110 can be reduced, thereby reducing the phenomenon of chipping or breaking of the screen body 110, reducing the crack phenomenon of the screen body 110, improving the overall strength of the screen body 110, and improving the yield of the product.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Surface Treatment Of Glass (AREA)

Abstract

本申请公开了一种显示屏，包括：屏体，屏体包括盖板玻璃和基板玻璃；盖板玻璃和基板玻璃均具有贴合面和与贴合面相对的外表面；其中，盖板玻璃的外表面和基板玻璃的外表面至少在对应于屏体的预设开槽区的周边区域设置有防裂层。本申请采用的屏体切割方法，在盖板玻璃的外表面和基板玻璃的外表面均形成防裂层，用于在开槽时减少屏体崩边或破碎现象，减少盖板玻璃和基板玻璃产生的裂纹现象，提高屏体整体强度，从而提高产品的良率。

Description

显示屏、屏体切割方法 技术领域
本申请涉及显示技术领域，特别是涉及一种显示屏、屏体切割方法。
背景技术
屏体开槽技术主要应用于对异形屏的研究设计，以扩大屏体占比为目的，实现窄边框屏甚至全面屏。目前多类产品已经采用异形屏体开槽技术进行批量生产。
传统的屏体开槽方式主要是异形切割，即在屏体上切割出不规则形状的安装槽，安装槽为前置摄像头、光感、听筒等器件预留位置。但是异形切割由于切割路线复杂，开槽时玻璃容易出现崩边或破碎现象，导致屏体不良率升高。
发明内容
基于此，有必要针对异形切割由于切割路线复杂，开槽时玻璃容易出现崩边或破碎现象，导致屏体不良率升高的问题，提供一种显示屏、屏体切割方法。
本申请提供了一种显示屏，包括：屏体，屏体包括盖板玻璃和基板玻璃；盖板玻璃和基板玻璃均具有贴合面和与贴合面相对的外表面；其中，盖板玻璃的外表面和基板玻璃的外表面至少在对应于屏体的预设开槽区的周边区域设置有防裂层。
进一步地，盖板玻璃的贴合面和基板玻璃的贴合面贴合在一起。
进一步地，防裂层完全覆盖盖板玻璃的外表面和基板玻璃的外表面。
进一步地，防裂层在屏体所在平面上的投影形状与去除预设开槽区的屏体形状一致。
进一步地，防裂层具有凸出于屏体边缘的部分。
进一步地，防裂层粘接在盖板玻璃的外表面和基板玻璃的外表面。
进一步地，防裂层为胶带层，或者为胶水层与金属层叠加形成的粘结层，或者为胶水与金属材料混合形成的混合层。
进一步地，防裂层为胶水层与金属层叠加形成的粘结层，金属层为金属网状层或者金属片状层。
上述在盖板玻璃的上表面和基板玻璃的外表面均粘贴有防裂层，用于在开槽时减少屏体崩边或破碎现象，减少盖板玻璃和基板玻璃产生裂纹的现象，提高屏体整体强度，提高产品的良率。
本申请还提供了一种屏体切割方法，包括以下步骤：
提供盖板玻璃和基板玻璃，盖板玻璃和基板玻璃均具有贴合面和与所述贴合面相对的外表面，且盖板玻璃和基板玻璃分别具有预设开槽区；
在盖板玻璃的外表面和基板玻璃的外表面分别设置防裂层；
在预设开槽区进行开槽，形成安装槽。
进一步地，在盖板玻璃的外表面和基板玻璃的外表面分别设置防裂层的步骤包括：将防裂层粘接在盖板玻璃的外表面和基板玻璃的外表面，防裂层完全覆盖盖板玻璃的外表面和基板玻璃的外表面。
进一步地，在预设开槽区进行开槽的步骤之前，去除覆盖预设开槽区的防裂层。
进一步地，去除覆盖预设开槽区的防裂层的步骤包括：先切割覆盖预设开槽区的防裂层，再揭去覆盖预设开槽区的防裂层。
进一步地，在盖板玻璃的外表面和基板玻璃的外表面分别设置防裂层的步骤包括：将防裂层粘接在盖板玻璃的外表面和基板玻璃的外表面，防裂层具有与预设开槽区相对应的加工槽。
进一步地，防裂层的宽度大于对应的盖板玻璃的宽度或基板玻璃的宽度，和 /或防裂层的长度大于对应的盖板玻璃的长度或基板玻璃的长度。
进一步地，在预设开槽区进行开槽，形成安装槽的步骤之后，还包括以下步骤：去除盖板玻璃的外表面和基板玻璃的外表面上的防裂层。
进一步地，在去除盖板玻璃的外表面和基板玻璃的外表面上的防裂层的步骤之后，还包括以下步骤：利用酒精拭去盖板玻璃的外表面和基板玻璃的外表面上残留的防裂层。
进一步地，在盖板玻璃的外表面和基板玻璃的外表面分别设置防裂层的步骤之前，将盖板玻璃的贴合面和基板玻璃的贴合面贴合在一起。
上述屏体切割方法，在盖板玻璃的上表面和基板玻璃的外表面均形成有防裂层，在对屏体进行开槽操作时，能够减少屏体崩边或破碎的现象，减少盖板玻璃和基板玻璃产生裂纹，提高屏体整体强度，提高产品的良率。
本申请还提供了一种显示屏，其中，所述显示屏采用上述的屏体切割方法制成。
本申请还提供了一种显示装置，该显示装置配置有上述的显示屏。
本申请先在盖板玻璃的上表面和基板玻璃的外表面粘贴有防裂层，再进行切割操作，能够减少切割力对屏体的冲击，从而减少屏体崩边或破碎现象，减少屏体的裂纹，提高屏体的整体强度，提高产品的良率。
附图说明
图1为本申请一实施例提供的显示屏屏体的结构示意图；
图2为本申请另一实施例提供的显示屏屏体的结构示意图；
图3为本申请一实施例提供的显示屏屏体剖视图；
图4为本申请另一实施例提供的显示屏屏体剖视图；
图5为本申请又一实施例提供的显示屏屏体剖视图；
图6为本申请一实施例提供的另一种显示屏的结构示意图；
图7为本申请一实施例提供的显示装置的结构示意图；
图8本申请实施例的屏体切割方法的流程图。
其中：100、显示屏       110、屏体         112、盖板玻璃
      114、基板玻璃     120、预设开槽区   130、防裂层
      132、耐高温胶层   134、金属层       136、混合层
      200、显示屏       300、显示装置     310、壳体
具体实施方式
为使本申请的上述目的、特征和优点能够更加明显易懂，下面结合附图对本申请的具体实施方式做详细的说明。在下面的描述中阐述了很多具体细节以便于充分理解本申请。但是本申请能够以很多不同于在此描述的其它方式来实施，本领域技术人员可以在不违背本申请内涵的情况下做类似改进，因此本申请不受下面公开的具体实施例的限制。
需要说明的是，当元件被称为“固定于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。
除非另有定义，本文所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同。本文中在本申请的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本申请。本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。
参考图1和图3，公开了一种显示屏100的实施例，显示屏100包括屏体110，屏体110包括贴合在一起的盖板玻璃112和基板玻璃114。具体地，盖板玻璃112和基板玻璃114均具有贴合面和与贴合面相对的外表面，盖板玻璃112 的贴合面和基板玻璃114的贴合面贴合在一起。当然，在其他实施例中，构成屏体110的盖板玻璃112和基板玻璃114的贴合面之间还可以夹设有中间层。其中，盖板玻璃112的外表面和基板玻璃114的外表面至少在对应于屏体的预设开槽区120的周边区域设置有防裂层130。防裂层130例如粘接在盖板玻璃112的外表面和基板玻璃114的外表面上。
通过在屏体110的盖板玻璃112的外表面和基板玻璃114的外表面的预设开槽区120的周边区域粘贴防裂层130，对屏体110进行开槽加工时，可以有效降低屏体110的崩边或破碎现象，降低盖板玻璃112和基板玻璃114产生裂纹的现象，可以提高屏体110的整体强度，提高产品良率。可以理解，屏体110开槽后，可以在后续操作中去除防裂层130。防裂层130可以有多种构型，只要起到尽量避免屏体110在开槽加工过程中出现崩边或破碎现象的作用，并且在不需要使用时易于从屏体110上去除即可。
图3至图5即示出了防裂层130的不同构型。具体地，参考图3，防裂层130选用高温胶带，通过在盖板玻璃112的外表面和基板玻璃114的外表面分别粘贴高温胶带的方式形成防裂层130。或者，参考图4，可以先在盖板玻璃112的外表面涂覆一层耐高温胶层132，再在耐高温胶层132的上面涂覆一层金属层134，该金属层134可以为金属网状层或金属片状层；同样，先在基板玻璃114的外表面涂覆一层耐高温胶层132，再在耐高温胶层132的上面涂覆一层金属层134，该金属层134可以为金属网状层或金属片状层，也即，防裂层130为耐高温胶水层与金属层叠加形成的粘接层。又或者，参考图5，在胶水中掺入金属颗粒或金属片状物，形成混合层136，在盖板玻璃112的外表面和基板玻璃114的外表面分别粘贴该混合层136，即防裂层130由混合层136形成。当然，本申请的防裂层130不限于上述三种形式，其他能够减少屏体110崩边或破碎的防裂 层130也属于本申请的保护范围。
屏体110的预设开槽区120用于在去除材料后形成安装槽，安装槽贯穿盖板玻璃112和基板玻璃114。安装槽可以用来设置摄像头、光感、听筒等器件，安装槽的开设位置不受限制，可以根据生产组装需求进行设置。本申请示出的实施例中，安装槽位于屏体110的一侧边缘。
在图1所示出的实施例中，盖板玻璃112和基板玻璃114的外表面上均粘贴有防裂层130。防裂层130未覆盖盖板玻璃112和基板玻璃114的全部外表面，而是与去除预设开槽区120后的屏体形状一致，也即，防裂层130在屏体110所在平面上的投影形状与去除预设开槽区120后的屏体形状一致。这样，防裂层130粘贴到盖板玻璃112的外表面后，未被防裂层130覆盖的区域即为预设开槽区120。即，防裂层130具有与屏体110上的预设开槽区120相对应的加工槽，加工槽与预设开槽区120的尺寸及形状基本一样。这样，对屏体110开槽时，直接在加工槽范围内切割预设开槽区120处的盖板玻璃112和基板玻璃114，即可得到安装槽。图1中，加工槽为开口槽，该开口槽可以在防裂层130粘贴到屏体110之前通过去除材料的方式形成，或者是在制作防裂层130时由直接预留的开口形成。可以理解，预设开槽区120所对应的安装槽为开口槽时，屏体110的预设开槽区120的周边区域不包括开口槽的开口区域。
在图2所示出的实施例中，盖板玻璃112和基板玻璃114的外表面上均粘贴有防裂层130。防裂层130完全覆盖在盖板玻璃112的外表面和基板玻璃114的外表面上，将预设开槽区120也完全覆盖。对屏体110开槽时，可以直接同时切割预设开槽区120处的防裂层130、盖板玻璃112和基板玻璃114，以形成安装槽。或者，也可以预先切割预设开槽区120处的防裂层130，然后揭掉预设开槽区120处的防裂层130，再切割盖板玻璃112和基板玻璃114，得到安装槽。 具体地，可以利用数控机床来切割覆盖预设开槽区120的防裂层130，能够提高切割精度，再利用揭膜机揭去预设开槽区120处的防裂层130。另外，数控机床切割时，所用刀具硬度大于防裂层130，远远低于屏体110的硬度，不会对屏体110的表面质量产生影响。去除预设开槽区120的防裂层130后再进行开槽，能够避免发生切割不良、毛刺增多等问题。
优选地，防裂层130具有凸出于屏体110边缘的部分，这样便于进行揭膜操作。
参考图8，本申请还公开了一种屏体切割方法，包括以下步骤：
S100:提供盖板玻璃112和基板玻璃114，盖板玻璃112和基板玻璃114均具有贴合面和与贴合面相对的外表面，且盖板玻璃112和基板玻璃114分别具有预设开槽区。优选地，将盖板玻璃112的贴合面和基板玻璃114的贴合面贴合在一起形成显示屏的屏体110，盖板玻璃112和基板玻璃114的预设开槽区对应屏体110的预设开槽区120。在其他实施例中，屏体110还可以包括夹设在盖板玻璃112的贴合面和基板玻璃114的贴合面之间的中间层。
S200:在盖板玻璃112的外表面和基板玻璃114的外表面上分别设置防裂层130。防裂层130至少布置在预设开槽区120的周边区域，防裂层130例如粘接在盖板玻璃112和基板玻璃114的外表面上。
S300:在预设开槽区进行开槽，形成安装槽。可以利用刀轮切割法或激光切割法对屏体110进行开槽。
上述屏体110切割方法，在盖板玻璃112的外表面和基板玻璃114的外表面均形成有防裂层130，在对屏体110进行开槽操作时，能够减少屏体110崩边或破碎的现象，减少盖板玻璃112和基板玻璃114产生裂纹的现象，可以提高屏体110整体强度，提高产品的良率。
在一种实施例中，在盖板玻璃112的外表面和基板玻璃114的外表面上分别设置防裂层130的步骤包括：将防裂层130粘接在盖板玻璃112的外表面和基板玻璃114的外表面上，防裂层130完全覆盖盖板玻璃112的外表面和基板玻璃114的外表面。优选地，在步骤S300之前，即，在对预设开槽区120进行开槽的步骤之前，去除覆盖屏体110的预设开槽区120的防裂层130。优选地，该去除覆盖屏体110的预设开槽区120的防裂层的步骤包括：先切割覆盖预设开槽区120的防裂层130，将覆盖预设开槽区120的防裂层130与其他部位的防裂层130分开，再揭去覆盖在预设开槽区120上的防裂层。
在另一种实施例中，在盖板玻璃112的外表面和基板玻璃114的外表面上分别设置防裂层的步骤包括：将防裂层130粘接在盖板玻璃112的外表面和基板玻璃114的外表面上，防裂层130具有与预设开槽区120相对应的加工槽，该加工槽可以是开口槽。
在一个实施例中，在对预设开槽区120进行开槽，形成安装槽的步骤之后，还包括以下步骤：去除屏体110上的防裂层130，也即去除盖板玻璃112的外表面和基板玻璃114的外表面上的防裂层130。可以利用揭膜机将安装槽以外的屏体区域的防裂层130去除干净。当然，去除防裂层130的工具不限于本实施例中所使用的揭膜机，可以根据实际生产能力，选择合适的去除防裂层130的工具。
在一个实施例中，在去除盖板玻璃112的外表面和基板玻璃114的外表面上的防裂层的步骤之后，还包括以下步骤：利用酒精拭去盖板玻璃112的外表面和基板玻璃114的外表面上残留的防裂层130。如果盖板玻璃112的外表面和基板玻璃114的外表面残留有未被去除的防裂层130，可利用酒精将残留的防裂层130拭去，对盖板玻璃112和基板玻璃114没有任何不良影响。当然，其他 能够去除防裂层130的材料也在本申请的保护范围之内，不受本实施例的限制。
在一个实施例中，防裂层130的宽度大于屏体110的宽度，也即，防裂层130的宽度大于对应的盖板玻璃112的宽度或基板玻璃114的宽度；和/或，防裂层130的长度大于屏体110的长度，也即，防裂层130的长度大于对应的盖板玻璃112的长度或基板玻璃114的长度。防裂层130的形状设为矩形，能够部分或全部地将屏体110覆盖，只要防裂层130覆盖屏体110的预设开槽区120的周边槽壁即可。具体地，防裂层130凸出于屏体110的情况可以分为三种：一、仅防裂层130的宽度大于屏体110的宽度。二、仅防裂层130的长度大于屏体110的长度。三、防裂层130的宽度大于屏体110的宽度，且防裂层130的长度大于屏体110的长度。
换言之，上述防裂层130的尺寸设置方式为：防裂层130某一边的尺寸大于屏体110相对应的尺寸，从而能够在完成屏体110切割后，更容易捕捉到防裂层130，便于将剩余的防裂层130从盖板玻璃112的外表面和基板玻璃114的外表面去除。当然，本申请不限于上述将防裂层130均匀覆盖在屏体110上的实施方式，其他实施例中还可以将防裂层130做成不规则形状，只需要覆盖屏体110的预设开槽区的周边槽壁即可。
在一个实施例中，防裂层130为胶带层，或者为胶水层与金属层叠加形成的粘结层，或者为胶水与金属材料混合形成的混合层。防裂层130用于在屏体110开槽时，能够分担一部分切割力，降低施加于屏体110的力对屏体110造成的冲击，从而减少屏体110崩边或破碎的现象，进而减少屏体110的裂纹，提高屏体110的整体强度。
参考图6，本申请还公开了一种显示屏200，显示屏200包括通过上述屏体切割方法制成的屏体110，在屏体110的端部设有通过上述屏体110切割方法形 成的安装槽120，安装槽120贯穿屏体110。
具体地，在屏体110的一端部设有如上述屏体110切割方法形成的安装槽120，该安装槽120可以用来设置摄像头、光感、听筒等器件。屏体110还包括贴合在一起的盖板玻璃112和基板玻璃114，安装槽120贯穿屏体110，即贯穿于盖板玻璃112和基板玻璃114。此时，显示屏200中盖板玻璃112和基板玻璃114的表面可以完全去除防裂层130。
上述显示屏200通过上述屏体切割方法形成安装槽120，盖板玻璃112和基板玻璃114的裂纹较少，屏体110的整体强度较高，提高了显示屏200的质量，延长了显示屏200的工作寿命。
参考图7，本申请还公开了一种显示装置300，包括如上的显示屏200；壳体310，与显示屏200相组配，用于保护显示屏200。
具体地，壳体310将显示屏200中的基板玻璃114包裹于壳体310内部，使盖板玻璃112的外表面裸露于外界环境中，当组装显示装置300时，还可以在盖板玻璃112的外表面加偏光片，在偏光片的上面再增加一层保护玻璃。该壳体310可一同将盖板玻璃112的轮廓边缘包围，与盖板玻璃112的外表面平齐；或者可将盖板玻璃112的边缘包围后，再向盖板玻璃112的外表面覆盖较小的尺寸。壳体310的覆盖范围不局限于整个显示屏的轮廓边缘，可以是显示屏的部分轮廓边缘，比如对称的两侧轮廓。
上述显示装置300包括由上述屏体切割方法形成安装槽的显示屏200，盖板玻璃112和基板玻璃114的裂纹较少，屏体110的整体强度较高，提高了显示装置300的质量，延长了显示装置300的工作寿命。
综上，本申请的显示屏，在切割屏体110之前，在盖板玻璃112的外表面和基板玻璃114的外表面上粘贴防裂层130，将安装槽120开设区的防裂层130去 除后，再进行切割操作，可以降低切割力对屏体110的冲击，从而减少屏体110崩边或破碎现象，减少屏体110的裂纹现象，提高屏体110的整体强度，提高产品的良率。
以上实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上实施例仅表达了本申请的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干变形和改进，这些都属于本申请的保护范围。因此，本申请专利的保护范围应以所附权利要求为准。

Claims (19)

  1. 一种显示屏，包括：
    屏体，所述屏体包括盖板玻璃和基板玻璃；所述盖板玻璃和所述基板玻璃均具有贴合面和与所述贴合面相对的外表面；
    其中，所述盖板玻璃的外表面和所述基板玻璃的外表面至少在对应于所述屏体的预设开槽区的周边区域设置有防裂层。
  2. 根据权利要求1所述的显示屏，其中，所述盖板玻璃的贴合面和所述基板玻璃的贴合面贴合在一起。
  3. 根据权利要求1所述的显示屏，其中，所述防裂层完全覆盖所述盖板玻璃的外表面和所述基板玻璃的外表面。
  4. 根据权利要求1所述的显示屏，其中，所述防裂层在所述屏体所在平面上的投影形状与去除所述预设开槽区的屏体形状一致。
  5. 根据权利要求1所述的显示屏，其中，所述防裂层具有凸出于所述屏体边缘的部分。
  6. 根据权利要求1所述的显示屏，其中，所述防裂层粘接在所述盖板玻璃的外表面和所述基板玻璃的外表面。
  7. 根据权利要求1所述的显示屏，其中，所述防裂层为胶带层，或者为胶水层与金属层叠加形成的粘结层，或者为胶水与金属材料混合形成的混合层。
  8. 根据权利要求1所述的显示屏，其中，所述防裂层为胶水层与金属层叠加形成的粘结层，所述金属层为金属网状层或者金属片状层。
  9. 一种屏体切割方法，包括以下步骤：
    提供盖板玻璃和基板玻璃，所述盖板玻璃和所述基板玻璃均具有贴合面和与所述贴合面相对的外表面，且所述盖板玻璃和所述基板玻璃分别具有预设开 槽区；
    在所述盖板玻璃的外表面和所述基板玻璃的外表面分别设置防裂层；
    在所述预设开槽区进行开槽，形成安装槽。
  10. 根据权利要求9所述的方法，其中，所述在盖板玻璃的外表面和基板玻璃的外表面分别设置防裂层的步骤包括：将所述防裂层粘接在所述盖板玻璃的外表面和所述基板玻璃的外表面，所述防裂层完全覆盖所述盖板玻璃的外表面和所述基板玻璃的外表面。
  11. 根据权利要求10所述的方法，其中，在所述预设开槽区进行开槽的步骤之前，去除覆盖所述预设开槽区的防裂层。
  12. 根据权利要求11所述的方法，其中，去除覆盖所述预设开槽区的防裂层的步骤包括：先切割覆盖所述预设开槽区的防裂层，再揭去覆盖所述预设开槽区的防裂层。
  13. 根据权利要求9所述的方法，其中，所述在盖板玻璃的外表面和基板玻璃的外表面分别设置防裂层的步骤包括：将所述防裂层粘接在所述盖板玻璃的外表面和所述基板玻璃的外表面，所述防裂层具有与所述预设开槽区相对应的加工槽。
  14. 根据权利要求9所述的方法，其中，所述防裂层的宽度大于对应的所述盖板玻璃的宽度或所述基板玻璃的宽度，和/或所述防裂层的长度大于对应的所述盖板玻璃的长度或所述基板玻璃的长度。
  15. 根据权利要求9所述的方法，其中，在所述预设开槽区进行开槽，形成安装槽的步骤之后，还包括以下步骤：去除所述盖板玻璃的外表面和所述基板玻璃的外表面上的防裂层。
  16. 根据权利要求15所述的方法，其中，在去除所述盖板玻璃的外表面和 所述基板玻璃的外表面上的防裂层的步骤之后，还包括以下步骤：利用酒精拭去所述盖板玻璃的外表面和基板玻璃的外表面上残留的防裂层。
  17. 根据权利要求9所述的方法，其中，在所述盖板玻璃的外表面和所述基板玻璃的外表面分别设置防裂层的步骤之前，将所述盖板玻璃的贴合面和所述基板玻璃的贴合面贴合在一起。
  18. 一种显示屏，其中，所述显示屏采用权利要求9所述的屏体切割方法制成。
  19. 一种显示装置，该显示装置配置有权利要求18所述的显示屏。
PCT/CN2018/113546 2018-05-02 2018-11-02 显示屏、屏体切割方法 WO2019210666A1 (zh)

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US10933610B2 (en) 2018-05-02 2021-03-02 Yungu (Gu' An) Technology Co., Ltd. Display screen and screen body cutting method
CN110764299A (zh) 2019-10-29 2020-02-07 深圳市华星光电技术有限公司 液晶显示面板以及显示模组制备方法
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