WO2019218492A1 - 一种显示器件及3d玻璃盖板的贴合方法 - Google Patents

一种显示器件及3d玻璃盖板的贴合方法 Download PDF

Info

Publication number
WO2019218492A1
WO2019218492A1 PCT/CN2018/098266 CN2018098266W WO2019218492A1 WO 2019218492 A1 WO2019218492 A1 WO 2019218492A1 CN 2018098266 W CN2018098266 W CN 2018098266W WO 2019218492 A1 WO2019218492 A1 WO 2019218492A1
Authority
WO
WIPO (PCT)
Prior art keywords
adhesive layer
oca adhesive
oca
polarizer
glass cover
Prior art date
Application number
PCT/CN2018/098266
Other languages
English (en)
French (fr)
Inventor
曹皓然
千必根
Original Assignee
武汉华星光电半导体显示技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Priority to US16/343,788 priority Critical patent/US20200139671A1/en
Publication of WO2019218492A1 publication Critical patent/WO2019218492A1/zh

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/03—Covers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/538—Roughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133331—Cover glasses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly

Definitions

  • the present invention relates to the field of display devices, and in particular, to a display device and a method for bonding a 3D glass cover.
  • the outermost cover glass of a traditional mobile phone screen is flat (2D), where all the points on the glass are in the same plane. Later, 2.5D glass appeared, which was rounded at the edge of the screen.
  • 3D glass cover (3D Cover Glass) has become the configuration of many high-end flexible OLED mobile phone screens. The 2D glass is deformed into a 3D glass cover by hot bending.
  • the 3D glass cover Compared with the 2.5D glass cover, the 3D glass cover has a better grip, the appearance is more attractive to the consumer, the design is different, and the surface can be operated quickly.
  • the 3D glass cover has a serious drawback, and it is easily broken when dropped, especially at the edge portion with curvature.
  • the price of the screen module is usually ten times or more than the price of the 3D glass cover, but the accidental screen module is normal except for the 3D cover, so the maintenance cost will be higher for the consumer.
  • the existing 3D glass cover bonding process is shown in Figure 1, and the 3D glass cover 101 is OCA (Optically Clear).
  • the Adhesive glue 102 is attached to the outermost surface of the screen 103, and is subjected to high temperature and high pressure treatment after being attached, and passes through a series of reliability tests, so that it is difficult to rework once it is attached. Even if the 3D glass cover 101 is forcibly separated from the screen 103 by heating, freezing, or the like, the screen 103 is easily damaged.
  • the invention provides a bonding method of a display panel and a 3D glass cover plate, which can more easily realize the peeling of the glass cover plate without damaging the screen after the glass cover plate is broken, and it is difficult for the consumer to rework after changing the traditional OCA adhesive tape. The situation reduces consumer use and maintenance costs.
  • the invention provides a method for bonding a 3D glass cover, the method comprising the following steps:
  • Step S1 providing a display panel to be attached with a 3D glass cover, the display panel is attached with a polarizer, and a first OCA adhesive layer is prepared on the polarizer;
  • Step S2 performing a process of enhancing viscosity on a surface of the first OCA adhesive layer away from the side of the polarizer;
  • Step S3 preparing a second OCA adhesive layer on the first OCA adhesive layer, and surface contacting the first OCA adhesive layer on the second OCA adhesive layer and away from the first OCA adhesive layer The surface is treated with enhanced viscosity;
  • Step S4 attaching the 3D glass cover to the second OCA adhesive layer.
  • the adhesion between the 3D glass cover and the second OCA adhesive layer and the adhesion between the second OCA adhesive layer and the first OCA adhesive layer are greater than the adhesion between the first OCA glue layer and the polarizer.
  • a method for performing an enhanced viscosity treatment on a surface of the first OCA adhesive layer and the second OCA adhesive layer includes: a corresponding surface of the first OCA adhesive layer and the second The corresponding surface of the OCA adhesive layer is subjected to a roughening process.
  • a regularly distributed or irregularly distributed protrusion or depression is formed on the roughened surface of the first OCA adhesive layer and the second OCA adhesive layer, and the convex cross section is Triangle, trapezoid or rectangle.
  • the viscosity of the first OCA adhesive layer is less than the viscosity of the second OCA adhesive layer.
  • the invention also provides a display device comprising:
  • a polarizer disposed on a surface of the display panel
  • a second OCA adhesive layer is prepared on the surface of the first OCA adhesive layer
  • peeling force between the 3D glass cover and the second OCA adhesive layer and the peeling force between the second OCA adhesive layer and the first OCA adhesive layer are the same, and both are greater than the first A peeling force between an OCA adhesive layer and the polarizer.
  • the two surfaces of the first OCA adhesive layer and the second OCA adhesive layer and the second OCA adhesive layer are used to fit the surface of the 3D glass cover.
  • the roughness is uniform and greater than the roughness of the surface of the first OCA adhesive layer for bonding the polarizer.
  • two surfaces of the first OCA adhesive layer and the second OCA adhesive layer and the second OCA adhesive layer are used for fitting the 3D glass cover. Regularly or irregularly distributed projections or depressions are formed on the surface.
  • the viscosity of the first OCA adhesive layer is less than the viscosity of the second OCA adhesive layer.
  • an ink protection layer is disposed at an edge position of the second OCA adhesive layer on the side to which the 3D glass cover is attached.
  • the invention also provides a display device comprising:
  • a polarizer disposed on a surface of the display panel
  • a second OCA adhesive layer is prepared on the surface of the first OCA adhesive layer
  • peeling force between the 3D glass cover and the second OCA adhesive layer and the peeling force between the second OCA adhesive layer and the first OCA adhesive layer are the same, and both are greater than the first a peeling force between the OCA adhesive layer and the polarizer, the viscosity of the first OCA adhesive layer being less than the viscosity of the second OCA adhesive layer.
  • the two surfaces of the first OCA adhesive layer and the second OCA adhesive layer and the second OCA adhesive layer are used to fit the surface of the 3D glass cover.
  • the roughness is uniform and greater than the roughness of the surface of the first OCA adhesive layer for bonding the polarizer.
  • two surfaces of the first OCA adhesive layer and the second OCA adhesive layer and the second OCA adhesive layer are used for fitting the 3D glass cover. Regularly or irregularly distributed projections or depressions are formed on the surface.
  • an ink protection layer is disposed at an edge position of the second OCA adhesive layer on the side to which the 3D glass cover is attached.
  • the invention has the beneficial effects that the display device of the present invention and the 3D glass cover plate are pasted between the polarizer and the 3D glass cover, compared with the manner in which the existing display device is attached to the glass cover.
  • the OCA adhesive layer structure is designed as a double-layer OCA adhesive layer structure, and by adding the roughness of the surface of the double-layer OCA adhesive layer, the two OCA adhesive layers are more easily bonded, and the upper and lower surfaces of the second OCA adhesive layer are both
  • the viscosity-increasing treatment is such that the peeling force between the first OCA adhesive layer and the second OCA adhesive layer is approximately equal to the peeling force between the second OCA adhesive layer and the 3D Cover Glass, and the peeling of the two The force is greater than the peel force between the first OCA glue layer and the polarizer (POL).
  • the peeling force ratio can be formed by selecting different viscous OCA glues, and when the rework is required when the glass cover is broken, it is easier to separate the first O
  • FIG. 1 is a schematic view showing a process of bonding a 3D glass cover plate and a display panel of the prior art
  • FIG. 2 is a flow chart of a method for bonding a 3D glass cover according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of an OCA adhesive layer according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a film layer of a display device according to an embodiment of the present invention.
  • the invention is directed to the manner in which the existing display device is attached to the glass cover plate, and there is a situation that it is difficult to carry out heavy work after the glass cover plate is broken, and the screen is easily damaged during the peeling process of the glass cover plate, thereby increasing the use of the consumer and
  • This embodiment can solve the technical problem of the maintenance cost.
  • FIG. 2 is a flow chart of a method for bonding a 3D glass cover according to an embodiment of the present invention. The method includes the following steps:
  • Step S1 providing a display panel to be attached with a 3D glass cover, the display panel is attached with a polarizer, and a first OCA adhesive layer is prepared on the polarizer;
  • Step S2 performing a process of enhancing viscosity on a surface of the first OCA adhesive layer away from the side of the polarizer;
  • Step S3 preparing a second OCA adhesive layer on the first OCA adhesive layer, and surface contacting the first OCA adhesive layer on the second OCA adhesive layer and away from the first OCA adhesive layer The surface is treated with enhanced viscosity;
  • Step S4 attaching the 3D glass cover to the second OCA adhesive layer.
  • a polarizer is attached to the display panel to which the 3D glass cover is to be attached, and then an OCA adhesive layer is formed through two processes.
  • the method of enhancing viscosity treatment is to roughen the surface of the first OCA adhesive layer such that the surface of the first OCA adhesive layer is slightly deformed to increase the roughness thereof.
  • the treatment for enhancing the viscosity is carried out; the treatment method is the same as the above method.
  • FIG. 3 is a schematic structural diagram of an OCA adhesive layer according to an embodiment of the present invention.
  • the second OCA adhesive layer 31 is disposed on the first OCA adhesive layer 30.
  • the first surface 301 of the first OCA adhesive layer 30 in contact with the polarizer is a smooth smooth surface, and the first OCA adhesive.
  • the second surface 302 of the layer 30 and the first surface 311 and the second surface 312 of the second OCA rubber layer 31 are rough surfaces subjected to a roughening process, thereby increasing the contact area, so that the first OCA
  • the glue layer 30 is more easily bonded to the second OCA glue layer 31.
  • roughening the upper and lower surfaces of the second OCA adhesive layer 31 also makes the second OCA adhesive layer 31 and the 3D glass cover easier to bond.
  • adhesion between the 3D glass cover and the second OCA adhesive layer 31 and the adhesion between the second OCA adhesive layer 31 and the first OCA adhesive layer 30 are the same, and Both are greater than the adhesion between the first OCA glue layer 30 and the polarizer.
  • Regularly or irregularly distributed convexities are formed on the second surface 302 of the first OCA adhesive layer 30 and the first surface 311 and the second surface 312 of the second OCA adhesive layer 31.
  • the protrusion 313 has a triangular, trapezoidal or rectangular cross section.
  • the tops of the protrusions 313 face in different directions.
  • the shape of the protrusion 313 is not limited herein.
  • the present invention may also change the adhesion of the first OCA glue layer 30 to the corresponding surface of the second OCA glue layer 31 by other means to form The above adhesive ratio is not described here.
  • a schematic structural diagram of a display device film layer includes: a display panel 401 formed in a box; a polarizer 402 disposed on a surface of the display panel 401; a first OCA adhesive layer 403 Prepared on the polarizer 402; a second OCA adhesive layer 404 is prepared on the surface of the first OCA adhesive layer 403; an ink protective layer 405 is disposed on the second OCA adhesive layer 404 away from the first OCA A surface of one side of the glue layer 403 is disposed corresponding to an edge region of the second OCA glue layer 404; a 3D glass cover plate 406 is disposed on the second OCA glue layer 404.
  • the peeling force between the 3D glass cover 406 and the second OCA adhesive layer 404 and the peeling force between the second OCA adhesive layer 404 and the first OCA adhesive layer 403 are the same, and both It is larger than the peeling force between the first OCA adhesive layer 403 and the polarizer 402.
  • the two surfaces of the first OCA adhesive layer 403 and the second OCA adhesive layer 404 and the second OCA adhesive layer 404 are used to fit the surface of the 3D glass cover 406.
  • the roughness is uniform and greater than the roughness of the surface of the first OCA adhesive layer 403 for bonding the polarizer 402.
  • the two surfaces of the first OCA adhesive layer 403 and the second OCA adhesive layer 404 and the second OCA adhesive layer 404 are used to fit the surface of the 3D glass cover 406.
  • a protrusion or a depression having a regular distribution or an irregular distribution is formed thereon (as shown in FIG. 3).
  • the viscosity of the first OCA adhesive layer 403 is less than the viscosity of the second OCA adhesive layer 404.
  • first OCA adhesive layer 403 and the second OCA adhesive layer 404 may be the same OCA adhesive and combined into the same layer, and the surface of the OCA adhesive used for bonding with the polarizer 402 may be reduced in viscosity.
  • the treatment is performed, and the surface to which the 3D glass cover 406 is bonded is subjected to a viscosity-enhancing treatment.
  • the viscosity of the OCA gel is subjected to a corresponding treatment in a gradient distribution.
  • the display device of the present invention and the 3D cover glass cover method are designed by the OCA adhesive layer structure between the polarizer and the 3D cover glass.
  • Double-layer OCA adhesive layer structure and by increasing the roughness of the surface of the double-layer OCA adhesive layer, the two OCA adhesive layers are more easily bonded, and the upper and lower surfaces of the second OCA adhesive layer are subjected to enhanced viscosity treatment, thereby
  • the peeling force between the first OCA adhesive layer and the second OCA adhesive layer is approximately equal to the peeling force between the second OCA adhesive layer and the 3D cover glass, and the peeling force of the two is greater than the first OCA adhesive layer Peel force between the polarizer (POL) and the polarizer.
  • the peeling force ratio can be formed by selecting different viscous OCA glues, and when the rework is required when the glass cover is broken, it is easier to separate the first OCA adhesive layer from the polarizer without damaging the screen.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Polarising Elements (AREA)

Abstract

一种显示器件及3D玻璃盖板的贴合方法，该显示器件包括：显示面板(401)，显示面板(401)上依次层叠设置的偏光片(402)、第一OCA胶层(403)、第二OCA胶层(404)、3D玻璃盖板(406)；其中， 3D玻璃盖板(406)与第二OCA胶层(404)之间的剥离力以及第二OCA胶层(404)与第一OCA胶层(403)之间的剥离力相同，且均大于第一OCA胶层(403)与偏光片(402)之间的剥离力。

Description

一种显示器件及3D玻璃盖板的贴合方法 技术领域
本发明涉及显示器件领域，尤其涉及一种显示器件及3D玻璃盖板的贴合方法。
 背景技术
传统的手机屏幕最外层的玻璃盖板（Cover Glass）是平面的（2D），就是在玻璃上所有的点都在同一个平面。后来出现了2.5D玻璃，就是在屏幕的边缘进行圆角处理。目前，3D玻璃盖板（3D Cover Glass）已经成为许多高端柔性OLED手机屏幕的配置。2D玻璃通过热弯成型变形为3D玻璃盖板。
相较于2.5D玻璃盖板，3D玻璃盖板具有握持感更好，外观更吸引消费者，设计存在差异化，可以实现曲面快捷操作等优点。但是，3D玻璃盖板有一个很严重的缺点，跌落时容易破碎，尤其是在带有弧度的边缘部分。目前，3D玻璃盖板一旦碎裂，由于现有的贴合工艺，只能通过更换整体的屏幕模组。屏幕模组的价格通常是3D玻璃盖板的价格十倍甚至更多，但是除了3D盖板意外屏幕模组都是正常的，因此对于消费者而言，维修成本将会变高。
现有的3D玻璃盖板贴合工艺如图1所示，3D玻璃盖板101通过OCA（Optically Clear Adhesive）胶102贴合在屏幕103的最外面，贴合后要经过高温高压处理，通过一系列可靠性测试，因此一旦贴合难以重工。即使通过加热，冷冻等方式，强行将3D玻璃盖板101与屏幕103分离，极易对屏幕103造成损伤。
因此，有必要提供一种显示器件及3D玻璃盖板的贴合方法，以解决现有技术所存在的问题。
 技术问题
本发明提供一种显示面板及3D玻璃盖板的贴合方法，能够在玻璃盖板发生破碎后更容易实现玻璃盖板的剥离而不损伤屏幕，改变传统OCA胶贴合后消费者难以进行重工的局面，降低消费者的使用和维修成本。
 技术解决方案
为解决上述问题，本发明提供的技术方案如下：
本发明提供一种3D玻璃盖板的贴合方法，所述方法包括以下步骤：
步骤S1、提供一待贴3D玻璃盖板的显示面板，所述显示面板上贴附有偏光片，在所述偏光片上制备第一OCA胶层；
步骤S2、对所述第一OCA胶层远离所述偏光片一侧的表面进行增强粘度的处理；
步骤S3、在所述第一OCA胶层上制备第二OCA胶层，并对所述第二OCA胶层上与所述第一OCA胶层接触的表面以及远离所述第一OCA胶层的表面均进行增强粘度的处理；
步骤S4、在所述第二OCA胶层上贴附所述3D玻璃盖板。
根据本发明一优选实施例，所述3D玻璃盖板与所述第二OCA胶层之间的粘合力以及所述第二OCA胶层与所述第一OCA胶层之间的粘合力相同，且均大于所述第一OCA胶层与所述偏光片之间的粘合力。
根据本发明一优选实施例，对所述第一OCA胶层以及所述第二OCA胶层的表面进行增强粘度处理的方法包括：对所述第一OCA胶层的相应表面以及所述第二OCA胶层的相应表面进行粗糙化制程。
根据本发明一优选实施例，在所述第一OCA胶层以及所述第二OCA胶层通过粗糙化的表面上形成规则分布或不规则分布的凸起或凹陷，所述凸起的截面为三角形、梯形或矩形。
根据本发明一优选实施例，所述第一OCA胶层的粘度小于所述第二OCA胶层的粘度。
本发明还提供一种显示器件，包括：
成盒的显示面板；
偏光片，设置于所述显示面板的表面；
第一OCA胶层，制备于所述偏光片上；
第二OCA胶层，制备于所述第一OCA胶层表面；
3D玻璃盖板，设置于所述第二OCA胶层上；
其中，所述3D玻璃盖板与所述第二OCA胶层之间的剥离力以及所述第二OCA胶层与所述第一OCA胶层之间的剥离力相同，且均大于所述第一OCA胶层与所述偏光片之间的剥离力。
根据本发明一优选实施例，所述第一OCA胶层与所述第二OCA胶层相贴合的两个表面以及所述第二OCA胶层用于贴合所述3D玻璃盖板的表面的粗糙度一致，且均大于所述第一OCA胶层用于贴合所述偏光片的表面的粗糙度。
根据本发明一优选实施例，在所述第一OCA胶层与所述第二OCA胶层相贴合的两个表面以及所述第二OCA胶层用于贴合所述3D玻璃盖板的表面上形成有规则分布或不规则分布的凸起或凹陷。
根据本发明一优选实施例，所述第一OCA胶层的粘度小于所述第二OCA胶层的粘度。
根据本发明一优选实施例，在所述第二OCA胶层用于与所述3D玻璃盖板贴合一侧的边缘位置设置有油墨保护层。
本发明还提供一种显示器件，包括：
成盒的显示面板；
偏光片，设置于所述显示面板的表面；
第一OCA胶层，制备于所述偏光片上；
第二OCA胶层，制备于所述第一OCA胶层表面；
3D玻璃盖板，设置于所述第二OCA胶层上；
其中，所述3D玻璃盖板与所述第二OCA胶层之间的剥离力以及所述第二OCA胶层与所述第一OCA胶层之间的剥离力相同，且均大于所述第一OCA胶层与所述偏光片之间的剥离力，所述第一OCA胶层的粘度小于所述第二OCA胶层的粘度。
根据本发明一优选实施例，所述第一OCA胶层与所述第二OCA胶层相贴合的两个表面以及所述第二OCA胶层用于贴合所述3D玻璃盖板的表面的粗糙度一致，且均大于所述第一OCA胶层用于贴合所述偏光片的表面的粗糙度。
根据本发明一优选实施例，在所述第一OCA胶层与所述第二OCA胶层相贴合的两个表面以及所述第二OCA胶层用于贴合所述3D玻璃盖板的表面上形成有规则分布或不规则分布的凸起或凹陷。
根据本发明一优选实施例，在所述第二OCA胶层用于与所述3D玻璃盖板贴合一侧的边缘位置设置有油墨保护层。
 有益效果
本发明的有益效果为：相较于现有显示器件贴合玻璃盖板的方式，本发明的一种显示器件及3D玻璃盖板的贴合方法，通过将偏光片与3D玻璃盖板之间的OCA胶层结构设计为双层OCA胶层结构，并通过增加双层OCA胶层表面的粗糙度，使得两层OCA胶层更容易粘合，并对第二OCA胶层的上下表面都进行增强粘度的处理，从而使得第一OCA胶层与第二OCA胶层之间的剥离力近似等于第二OCA胶层与玻璃盖板（3D Cover Glass）之间的剥离力，且两者的剥离力大于第一OCA胶层与偏光片（POL）之间的剥离力。或者通过选用不同粘性的OCA胶形成该剥离力配比，进而在玻璃盖板破坏时需要进行重工（rework）的时候，更易于将第一OCA胶层与偏光片分离而不损伤屏幕。
 附图说明
为了更清楚地说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介绍，显而易见地，下面描述中的附图仅仅是发明的一些实施例，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。
图1为现有技术的3D玻璃盖板与显示面板贴合工艺示意图；
图2为本发明实施例提供的3D玻璃盖板的贴合方法流程图；
图3为本发明实施例提供的OCA胶层结构示意图；
图4为本发明实施例提供的显示器件膜层结构示意图。
 本发明的最佳实施方式
以下各实施例的说明是参考附加的图示，用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语，例如[上]、[下]、[前]、[后]、[左]、[右]、[内]、[外]、[侧面]等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。在图中，结构相似的单元是用以相同标号表示。
本发明针对现有显示器件贴合玻璃盖板的方式，存在着玻璃盖板发生破碎后难以进行重工的局面，且在玻璃盖板的剥离过程中很容易损伤屏幕，从而增加消费者的使用和维修成本的技术问题，本实施例能够解决该缺陷。
参阅图2，图2为本发明实施例提供的3D玻璃盖板的贴合方法流程图。所述方法包括以下步骤：
步骤S1、提供一待贴3D玻璃盖板的显示面板，所述显示面板上贴附有偏光片，在所述偏光片上制备第一OCA胶层；
步骤S2、对所述第一OCA胶层远离所述偏光片一侧的表面进行增强粘度的处理；
步骤S3、在所述第一OCA胶层上制备第二OCA胶层，并对所述第二OCA胶层上与所述第一OCA胶层接触的表面以及远离所述第一OCA胶层的表面均进行增强粘度的处理；
步骤S4、在所述第二OCA胶层上贴附所述3D玻璃盖板。
具体地，在待贴3D玻璃盖板的显示面板上贴附偏光片，然后通过两道制程形成OCA胶层。首先在所述偏光片上制备第一OCA胶层；对所述第一OCA胶层远离所述偏光片一侧的表面进行增强粘度的处理。优选的，该增强粘度处理的方法为对所述第一OCA胶层的该表面进行粗糙化制程，使得所述第一OCA胶层的该表面发生微小的形变，以增加其粗糙度。然后在所述第一OCA胶层上制备第二OCA胶层，并对所述第二OCA胶层上的与所述第一OCA胶层接触的表面以及远离所述第一OCA胶层的表面均进行增强粘度的处理；其处理方法与上述方法一致。
请参照图3所示，为本发明实施例提供的OCA胶层结构示意图。图中第二OCA胶层31设置于第一OCA胶层30之上，所述第一OCA胶层30与所述偏光片接触的第一表面301为平整的光滑面，所述第一OCA胶层30的第二表面302以及所述第二OCA胶层31的第一表面311与第二表面312均为经过粗糙化制程的粗糙面，由此增大了接触面积，使得所述第一OCA胶层30与所述第二OCA胶层31更容易粘合。另外，对所述第二OCA胶层31的上下表面都进行粗糙化处理，也使得所述第二OCA胶层31与所述3D玻璃盖板更容易粘合。其中，所述3D玻璃盖板与所述第二OCA胶层31之间的粘合力以及所述第二OCA胶层31与所述第一OCA胶层30之间的粘合力相同，且均大于所述第一OCA胶层30与所述偏光片之间的粘合力。
在所述第一OCA胶层30的所述第二表面302以及所述第二OCA胶层31的所述第一表面311与所述第二表面312上均形成规则分布或不规则分布的凸起313（或凹陷）。优选的，所述凸起313的截面为三角形、梯形或矩形。优选的，所述凸起313的顶部朝向不同方向。此处不对所述凸起313的形状做出限定，另外，本发明还可通过其他方式改变所述第一OCA胶层30与所述第二OCA胶层31的相应表面的粘合力以形成上述粘合力配比，此处不再赘述。
请参照图4所示，为本发明实施例提供的显示器件膜层结构示意图，包括：成盒的显示面板401；偏光片402，设置于所述显示面板401的表面；第一OCA胶层403，制备于所述偏光片402上；第二OCA胶层404，制备于所述第一OCA胶层403表面；油墨保护层405，设置于所述第二OCA胶层404远离所述第一OCA胶层403一侧的表面上，且对应所述第二OCA胶层404的边缘区域设置；3D玻璃盖板406，设置于所述第二OCA胶层404上。
其中，所述3D玻璃盖板406与所述第二OCA胶层404之间的剥离力以及所述第二OCA胶层404与所述第一OCA胶层403之间的剥离力相同，且均大于所述第一OCA胶层403与所述偏光片402之间的剥离力。优选的，所述第一OCA胶层403与所述第二OCA胶层404相贴合的两个表面以及所述第二OCA胶层404用于贴合所述3D玻璃盖板406的表面的粗糙度一致，且均大于所述第一OCA胶层403用于贴合所述偏光片402的表面的粗糙度。
优选的，在所述第一OCA胶层403与所述第二OCA胶层404相贴合的两个表面以及所述第二OCA胶层404用于贴合所述3D玻璃盖板406的表面上形成有规则分布或不规则分布的凸起或凹陷（如图3所示）。
优选的，所述第一OCA胶层403的粘度小于所述第二OCA胶层404的粘度。
另外，所述第一OCA胶层403与所述第二OCA胶层404可以为同一种OCA胶且合并为同一层，对该OCA胶用于与所述偏光片402贴合的表面进行降低粘度的处理，且对与所述3D玻璃盖板406贴合的表面进行增强粘度的处理。或者，使该OCA胶的粘度呈梯度分布进行相应的处理。
相较于现有显示器件贴合玻璃盖板的方式，本发明的一种显示器件及3D玻璃盖板的贴合方法，通过将偏光片与3D玻璃盖板之间的OCA胶层结构设计为双层OCA胶层结构，并通过增加双层OCA胶层表面的粗糙度，使得两层OCA胶层更容易粘合，并对第二OCA胶层的上下表面都进行增强粘度的处理，从而使得第一OCA胶层与第二OCA胶层之间的剥离力近似等于第二OCA胶层与玻璃盖板（3D Cover Glass）之间的剥离力，且两者的剥离力大于第一OCA胶层与偏光片（POL）之间的剥离力。或者通过选用不同粘性的OCA胶形成该剥离力配比，进而在玻璃盖板破坏时需要进行重工（rework）的时候，更易于将第一OCA胶层与偏光片分离而不损伤屏幕。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。

Claims (14)

  1. 一种3D玻璃盖板的贴合方法，其中，所述方法包括以下步骤：
    步骤S1、提供一待贴3D玻璃盖板的显示面板，所述显示面板上贴附有偏光片，在所述偏光片上制备第一OCA胶层；
    步骤S2、对所述第一OCA胶层远离所述偏光片一侧的表面进行增强粘度的处理；
    步骤S3、在所述第一OCA胶层上制备第二OCA胶层，并对所述第二OCA胶层上与所述第一OCA胶层接触的表面以及远离所述第一OCA胶层的表面均进行增强粘度的处理；
    步骤S4、在所述第二OCA胶层上贴附所述3D玻璃盖板。
  2. 根据权利要求1所述的贴合方法，其中，所述3D玻璃盖板与所述第二OCA胶层之间的粘合力以及所述第二OCA胶层与所述第一OCA胶层之间的粘合力相同，且均大于所述第一OCA胶层与所述偏光片之间的粘合力。
  3. 根据权利要求1所述的贴合方法，其中，对所述第一OCA胶层以及所述第二OCA胶层的表面进行增强粘度处理的方法包括：对所述第一OCA胶层的相应表面以及所述第二OCA胶层的相应表面进行粗糙化制程。
  4. 根据权利要求3所述的贴合方法，其中，在所述第一OCA胶层以及所述第二OCA胶层通过粗糙化的表面上形成规则分布或不规则分布的凸起或凹陷，所述凸起的截面为三角形、梯形或矩形。
  5. 根据权利要求1所述的贴合方法，其中，所述第一OCA胶层的粘度小于所述第二OCA胶层的粘度。
  6. 一种显示器件，其中，包括：
    成盒的显示面板；
    偏光片，设置于所述显示面板的表面；
    第一OCA胶层，制备于所述偏光片上；
    第二OCA胶层，制备于所述第一OCA胶层表面；
    3D玻璃盖板，设置于所述第二OCA胶层上；
    其中，所述3D玻璃盖板与所述第二OCA胶层之间的剥离力以及所述第二OCA胶层与所述第一OCA胶层之间的剥离力相同，且均大于所述第一OCA胶层与所述偏光片之间的剥离力。
  7. 根据权利要求6所述的显示器件，其中，所述第一OCA胶层与所述第二OCA胶层相贴合的两个表面以及所述第二OCA胶层用于贴合所述3D玻璃盖板的表面的粗糙度一致，且均大于所述第一OCA胶层用于贴合所述偏光片的表面的粗糙度。
  8. 根据权利要求7所述的显示器件，其中，在所述第一OCA胶层与所述第二OCA胶层相贴合的两个表面以及所述第二OCA胶层用于贴合所述3D玻璃盖板的表面上形成有规则分布或不规则分布的凸起或凹陷。
  9. 根据权利要求6所述的显示器件，其中，所述第一OCA胶层的粘度小于所述第二OCA胶层的粘度。
  10. 根据权利要求6所述的显示器件，其中，在所述第二OCA胶层用于与所述3D玻璃盖板贴合一侧的边缘位置设置有油墨保护层。
  11. 一种显示器件，其中，包括：
    成盒的显示面板；
    偏光片，设置于所述显示面板的表面；
    第一OCA胶层，制备于所述偏光片上；
    第二OCA胶层，制备于所述第一OCA胶层表面；
    3D玻璃盖板，设置于所述第二OCA胶层上；
    其中，所述3D玻璃盖板与所述第二OCA胶层之间的剥离力以及所述第二OCA胶层与所述第一OCA胶层之间的剥离力相同，且均大于所述第一OCA胶层与所述偏光片之间的剥离力，所述第一OCA胶层的粘度小于所述第二OCA胶层的粘度。
  12. 根据权利要求11所述的显示器件，其中，所述第一OCA胶层与所述第二OCA胶层相贴合的两个表面以及所述第二OCA胶层用于贴合所述3D玻璃盖板的表面的粗糙度一致，且均大于所述第一OCA胶层用于贴合所述偏光片的表面的粗糙度。
  13. 根据权利要求12所述的显示器件，其中，在所述第一OCA胶层与所述第二OCA胶层相贴合的两个表面以及所述第二OCA胶层用于贴合所述3D玻璃盖板的表面上形成有规则分布或不规则分布的凸起或凹陷。
  14. 根据权利要求11所述的显示器件，其中，在所述第二OCA胶层用于与所述3D玻璃盖板贴合一侧的边缘位置设置有油墨保护层。
PCT/CN2018/098266 2018-05-16 2018-08-02 一种显示器件及3d玻璃盖板的贴合方法 WO2019218492A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/343,788 US20200139671A1 (en) 2018-05-16 2018-08-02 Display device and adhesion method of 3d cover glass

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810466428.3 2018-05-16
CN201810466428.3A CN108819433A (zh) 2018-05-16 2018-05-16 一种显示器件及3d玻璃盖板的贴合方法

Publications (1)

Publication Number Publication Date
WO2019218492A1 true WO2019218492A1 (zh) 2019-11-21

Family

ID=64148075

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/098266 WO2019218492A1 (zh) 2018-05-16 2018-08-02 一种显示器件及3d玻璃盖板的贴合方法

Country Status (3)

Country Link
US (1) US20200139671A1 (zh)
CN (1) CN108819433A (zh)
WO (1) WO2019218492A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109375308B (zh) * 2018-11-27 2021-05-25 上海天马微电子有限公司 偏光片膜和显示面板制作方法
CN109637387A (zh) * 2019-01-31 2019-04-16 武汉华星光电半导体显示技术有限公司 显示模组及其制作方法、电子装置
KR20200101220A (ko) 2019-02-19 2020-08-27 삼성전자주식회사 복수의 윈도우를 포함하는 폴더블 전자 장치
TWI726654B (zh) * 2020-03-17 2021-05-01 鴻銳科技股份有限公司 光學面板的光學透明黏合層貼合結構
CN112365805B (zh) * 2020-12-09 2022-07-26 合肥维信诺科技有限公司 盖板和显示模组的制作方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014026247A (ja) * 2012-07-30 2014-02-06 Dainippon Printing Co Ltd 飛散防止フィルム、展示用板材、及びショーウインドウ
JP5752292B1 (ja) * 2014-04-23 2015-07-22 株式会社イトウ機械 液晶画面保護ガラス、表装パネルの表装シート及びその製造方法
CN105295758A (zh) * 2015-10-14 2016-02-03 东莞市纳利光学材料有限公司 一种具有多层复合oca胶层的光学膜及其制备方法
CN205291751U (zh) * 2015-11-09 2016-06-08 东莞市纳利光学材料有限公司 一种具有抗蓝光效果的无基材oca光学膜
CN105848887A (zh) * 2013-12-27 2016-08-10 旭硝子株式会社 玻璃层叠体和其制造方法
CN205564143U (zh) * 2016-03-03 2016-09-07 深圳市恒久瑞电子科技有限公司 一种opo胶材填充带高厚度边框显示模组的全贴合结构体

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203204598U (zh) * 2013-04-12 2013-09-18 昆山海天光电科技有限公司 手机用电容触摸屏
CN204808278U (zh) * 2015-07-14 2015-11-25 昆山龙腾光电有限公司 面板模块及触控屏
CN205353511U (zh) * 2016-02-29 2016-06-29 江西合力泰科技有限公司 显示模组

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014026247A (ja) * 2012-07-30 2014-02-06 Dainippon Printing Co Ltd 飛散防止フィルム、展示用板材、及びショーウインドウ
CN105848887A (zh) * 2013-12-27 2016-08-10 旭硝子株式会社 玻璃层叠体和其制造方法
JP5752292B1 (ja) * 2014-04-23 2015-07-22 株式会社イトウ機械 液晶画面保護ガラス、表装パネルの表装シート及びその製造方法
CN105295758A (zh) * 2015-10-14 2016-02-03 东莞市纳利光学材料有限公司 一种具有多层复合oca胶层的光学膜及其制备方法
CN205291751U (zh) * 2015-11-09 2016-06-08 东莞市纳利光学材料有限公司 一种具有抗蓝光效果的无基材oca光学膜
CN205564143U (zh) * 2016-03-03 2016-09-07 深圳市恒久瑞电子科技有限公司 一种opo胶材填充带高厚度边框显示模组的全贴合结构体

Also Published As

Publication number Publication date
CN108819433A (zh) 2018-11-16
US20200139671A1 (en) 2020-05-07

Similar Documents

Publication Publication Date Title
WO2019218492A1 (zh) 一种显示器件及3d玻璃盖板的贴合方法
TWI643754B (zh) 曲面貼合裝置及其貼合方法
US11892879B2 (en) Rollable display device and rollable device
WO2021082473A1 (zh) 柔性显示屏的制作方法及待剥离临时基板的柔性显示屏
WO2020010888A1 (zh) 柔性显示屏盖板、柔性显示模组和柔性显示装置
JP5890534B2 (ja) 画像表示装置用両面粘着シート、離形フィルム付画像表示装置用両面粘着シート及びこれらを用いてなる画像表示装置
JP2016525234A5 (zh)
WO2020224506A1 (zh) 背膜结构、柔性显示面板及显示装置
JP6350653B2 (ja) 画像表示装置用両面粘着シートの製造方法
JP5837396B2 (ja) 光学シート貼り合わせ方法及び装置並びにそれらに用いる粘着シート
CN109873020B (zh) 贴合膜材、显示面板、显示装置、显示面板的制备方法
WO2021003876A1 (zh) 光学胶、显示面板及光学胶的制作方法
WO2018113144A1 (zh) 曲面显示面板及曲面显示装置
JP2006154731A (ja) 液晶表示装置
WO2020143822A1 (zh) 贴膜方法
WO2022052219A1 (zh) 复合膜层及显示装置
WO2020042168A1 (zh) 柔性保护膜、曲面显示屏及终端
CN109036138A (zh) 柔性显示屏的贴合方法及背板
JP6105412B2 (ja) フラットパネルディスプレイ用粘着テープ
JP5142854B2 (ja) 表示装置及びその製造方法
CN207303146U (zh) 柔性显示器件和显示装置
JP5713294B2 (ja) 液晶画面用保護シート材
WO2023010642A1 (zh) 显示模组及其制作方法
CN216330697U (zh) 一种贴合装置
WO2021213048A1 (zh) 柔性显示结构及其制造方法、显示装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18918990

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18918990

Country of ref document: EP

Kind code of ref document: A1