WO2022082956A1 - 移动终端及移动终端装配方法 - Google Patents

移动终端及移动终端装配方法 Download PDF

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Publication number
WO2022082956A1
WO2022082956A1 PCT/CN2020/134678 CN2020134678W WO2022082956A1 WO 2022082956 A1 WO2022082956 A1 WO 2022082956A1 CN 2020134678 W CN2020134678 W CN 2020134678W WO 2022082956 A1 WO2022082956 A1 WO 2022082956A1
Authority
WO
WIPO (PCT)
Prior art keywords
touch screen
adhesive layer
mobile terminal
assembly
display
Prior art date
Application number
PCT/CN2020/134678
Other languages
English (en)
French (fr)
Inventor
杨雨凡
于元升
范维辉
陈伟
苏东水
Original Assignee
捷开通讯(深圳)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 捷开通讯(深圳)有限公司 filed Critical 捷开通讯(深圳)有限公司
Publication of WO2022082956A1 publication Critical patent/WO2022082956A1/zh
Priority to US18/304,939 priority Critical patent/US20230262152A1/en

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Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H—ELECTRICITY
    • 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
    • H04M1/0279—Improving the user comfort or ergonomics
    • H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/22—Details of telephonic subscriber devices including a touch pad, a touch sensor or a touch detector

Definitions

  • the present invention relates to mobile terminal technology, in particular to a mobile terminal and a method for assembling the mobile terminal.
  • Embodiments of the present invention provide a mobile terminal and a method for assembling the mobile terminal.
  • a 2.5D glass cover plate with a certain thickness as the touch screen cover plate of the mobile terminal and fully bonding with the ordinary liquid crystal display screen, a 3D curved screen can be made effect and achieve ultra-narrow frame design, reducing costs.
  • an embodiment of the present invention provides a mobile terminal, including a front case assembly, a display module, and a touch screen decoration;
  • the front case assembly includes a base plate and a side wall extending from the periphery of the base plate, and the side wall surrounds and forms a receiving space;
  • the display module includes a display screen, a first adhesive layer, and a touch screen cover plate that are stacked in sequence, wherein the touch screen cover plate is a 2.5D glass cover plate with a thickness ranging from 0.7mm to 3mm;
  • the touch screen decoration is arranged around the display module, and is assembled with the display module to form a three-in-one component, and the three-in-one component is arranged in the receiving space.
  • the distance between the first side surface and the second side surface of the touch screen cover is greater than the distance between the first side surface and the second side surface of the display screen.
  • the first side of the touch screen cover and the first side of the display screen are located on the first side of the mobile terminal, and the second side of the touch screen cover and the The second side of the display screen is located on the second side of the mobile terminal, and the distance between the first side of the touch screen cover and the first side of the display is equal to the second side of the touch screen cover
  • the distance from the second side surface of the display screen, the distance between the first side surface of the touch screen cover plate and the first side surface of the display screen ranges from 0 mm to 1 mm.
  • a first gap is formed between the first side of the display screen and the first side of the touch screen decoration, and the second side of the display and the first side of the touch screen decoration.
  • a second slit is formed on the two sides, and a second adhesive layer and a third adhesive layer are respectively arranged in the first slit and the second slit. Connect the touch screen trim.
  • the touch screen decoration includes a first step surface and a second step surface located at the upper and lower ends of the touch screen decoration, and the touch screen cover is passed through the fourth adhesive layer and the first step surface.
  • Five adhesive layers are respectively connected with the first step surface and the second step surface.
  • an embodiment of the present invention further provides a method for assembling a mobile terminal, which is applied to a mobile terminal, and includes the following steps:
  • a display screen and a touch screen cover are provided, and a layer of glue is applied to the lower surface of the display screen to form a first adhesive layer, and the touch screen cover and the display screen are connected by the first adhesive layer.
  • Lamination is performed to form a display module, wherein the touch screen cover is a 2.5D glass cover with a thickness ranging from 0.7mm to 3mm;
  • a touch screen decoration is provided, and the symmetrical first step surface and the second step surface of the touch screen decoration are front-dispensed through a glue dispenser to form a fourth adhesive layer and a fifth adhesive layer, so that the touch screen Adhesive is attached to the first step surface and the second step surface of the decorative piece;
  • the display module is bonded with the first step surface and the second step surface of the touch screen decoration through the adhesive to form a three-in-one assembly, and the three-in-one assembly is carried out by a first pressing machine.
  • a front shell assembly is provided, and the peripheral edge of the front shell assembly is dispensed through the glue dispenser, and the three-in-one assembly placed in the first pressure-keeping box after being maintained and fixed with the pass Assembling the front shell assembly after the glue dispenser dispenses;
  • the assembled three-in-one assembly and the front shell assembly are pressed together for a second time by a second pressing machine.
  • the display module is bonded to the first step surface and the second step surface of the touch screen decoration through the adhesive to form a three-in-one assembly, include:
  • the display module is installed into the touch screen decoration, so that the first end of the display module is bonded to the first step surface of the touch screen decoration through the adhesive, and the display module is The second end of the group is bonded with the second step surface of the touch screen decoration through the adhesive to form a three-in-one assembly.
  • the method further includes:
  • the three-in-one assembly after being pressed by the first pressing machine is put into the first pressure-holding box for the first pressure-holding and fixing.
  • the method further includes:
  • an embodiment of the present invention provides a mobile terminal, which includes a front case assembly, a display module, and a touch screen decoration;
  • the front case assembly includes a base plate and a side wall extending from the periphery of the base plate, and the side wall surrounds and forms a receiving space;
  • the display module includes a display screen, a first adhesive layer, and a touch screen cover that are stacked in sequence, wherein the touch screen cover is a 2.5D glass cover with a thickness ranging from 0.7mm to 3mm, and the touch screen cover The thickness of the board is 2mm;
  • the touch screen decoration is arranged around the display module, and is assembled with the display module to form a three-in-one component, and the three-in-one component is arranged in the receiving space;
  • the distance between the first side surface and the second side surface of the touch screen cover is greater than the distance between the first side surface and the second side surface of the display screen.
  • the first side of the touch screen cover and the first side of the display screen are located on the first side of the mobile terminal, and the second side of the touch screen cover and the The second side of the display screen is located on the second side of the mobile terminal, and the distance between the first side of the touch screen cover and the first side of the display is equal to the distance between the second side of the touch screen cover and the first side of the display.
  • the distance between the second side surfaces of the display screen, the distance between the first side surface of the touch screen cover and the first side surface of the display screen ranges from 0 mm to 1 mm.
  • a first gap is formed between the first side of the display screen and the first side of the touch screen decoration, and the second side of the display and the second side of the touch screen decoration.
  • a second slit is formed on the side, a second adhesive layer and a third adhesive layer are respectively arranged in the first slit and the second slit, and the display screen is connected to the display screen through the second adhesive layer and the third adhesive layer. Touch screen trim connection.
  • the touch screen decorative piece includes a first stepped surface and a second stepped surface located at the upper and lower ends of the touch screen decorative piece, and the touch screen cover plate passes through the fourth adhesive layer and the fifth step surface.
  • the adhesive layer is respectively connected with the first step surface and the second step surface.
  • the front case assembly further includes an adhesive surface, and the three-in-one assembly is attached to the adhesive surface through a sixth adhesive layer.
  • the mobile terminal provided by the embodiment of the present invention includes a front case assembly, a display module, and a touch screen decoration;
  • the front case assembly includes a substrate and a side wall extending from the periphery of the substrate, and the side wall surrounds and forms a receiving space;
  • the The display module includes a display screen, a first adhesive layer, and a touch screen cover plate that are stacked in sequence, wherein the touch screen cover plate is a 2.5D glass cover plate, and its thickness ranges from 0.7mm to 3mm;
  • the touch screen decoration is provided with Around the display module, a three-in-one component is assembled with the display module, and the three-in-one component is arranged in the receiving space.
  • a 2.5D glass cover plate with a certain thickness is used as the touch screen cover plate of the mobile terminal, and the cover plate is subjected to multiple fine carving and polishing processes, and then fully attached to the ordinary liquid crystal display screen to make the cover plate.
  • the effect of the 3D curved screen and the ultra-narrow frame design are realized, which reduces the cost.
  • FIG. 1 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a three-in-one component of a mobile terminal according to an embodiment of the present invention.
  • FIG. 3 is an exploded diagram of a mobile terminal according to an embodiment of the present invention.
  • FIG. 4 is a schematic flowchart of a method for assembling a mobile terminal according to an embodiment of the present invention.
  • first and second are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, features defined as “first”, “second” may expressly or implicitly include one or more of said features. In the description of the present invention, “plurality” means two or more, unless otherwise expressly and specifically defined.
  • the terms “installed”, “connected” and “connected” should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be mechanical connection, electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements relation.
  • installed should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be mechanical connection, electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements relation.
  • a first feature "on” or “under” a second feature may include the first and second features in direct contact, or may include the first and second features Not directly but through additional features between them.
  • the first feature being “above”, “over” and “above” the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature.
  • the first feature is “below”, “below” and “below” the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.
  • the mobile terminal may be a device such as a smart phone, a tablet computer, and a smart watch.
  • the mobile terminal 120 includes a display module 10 , a circuit board 20 , a battery 30 , a front case assembly 40 and a touch screen decoration 50 .
  • the front case assembly 40 includes a substrate 401 and a sidewall 402 extending from the periphery of the substrate.
  • the sidewall 402 surrounds a receiving space.
  • the display module 10 includes a display screen 101, a first adhesive layer 102,
  • the touch screen cover 103 is installed on the display screen 101 to cover the display screen 101 .
  • the display screen 101 is an ordinary liquid crystal display screen, and the touch screen cover plate 103 can be a transparent glass cover plate.
  • the touch screen cover 103 may be a glass cover made of a material such as sapphire.
  • the touch screen cover plate 103 is a 2.5D glass cover plate, and its thickness ranges from 0.7 mm to 3 mm.
  • the thickness of the touch screen cover plate 103 may be 2 mm.
  • the touch screen cover plate 103 can be a 2.5D glass cover plate with a thickness of 2mm, so that it can be fully attached to an ordinary liquid crystal display through multiple fine carving and polishing processes to create the effect of a 3D curved screen and reduce costs.
  • the size of the touch screen cover 103 protruding from one side of the display screen 101 on the left and right sides ranges from 0 mm to 1 mm. In the current conventional narrow frame design on the market, the touch screen cover protrudes by about 1mm on the left and right sides of the display screen. Therefore, the mobile terminal 120 made of the touch screen cover 103 and the touch screen cover with a conventional design Compared with the finished mobile terminal, the size range of its black border unilaterally reduced is 0mm to 1mm, which realizes the ultra-narrow frame design.
  • the display screen 101 is mounted on the front case assembly 40 to form a display surface of the mobile terminal 120 .
  • the display screen 101 may include a display area and a non-display area.
  • the display area is used to display information such as images, text, etc. No information is displayed in the non-display area.
  • the bottom of the non-display area can be provided with functional components such as fingerprint modules and touch circuits.
  • the display screen 101 may also be a full screen, with only a display area and no non-display area. Among them, functional components such as fingerprint modules and touch circuits are arranged below the full screen.
  • the display screen 101 may also be a special-shaped screen.
  • the front case assembly 40 may form the outer contour of the mobile terminal 120 .
  • the touch screen cover 103 is pasted on the touch screen trim 50 and fixed to the front case assembly 40 together with the touch screen trim 50 .
  • the touch screen cover 103 , the touch screen trim 50 and the front case assembly 40 form a closed space to accommodate the display screen 101 , the circuit board 20 , the battery 30 and the first adhesive layer 102 and other devices.
  • the front case assembly 40 may be made of metal materials such as magnesium alloy, stainless steel, and the like. It should be noted that the material of the front case assembly 40 in the embodiment of the present invention is not limited to this, and other methods may also be used.
  • the front case assembly 40 may include a non-metal part and a metal part.
  • the front case assembly 40 may also be a plastic case.
  • the front case assembly 40 may also be a ceramic case.
  • the front case assembly 40 may also be a case structure in which metal and plastic cooperate with each other.
  • the front shell assembly 40 may be fabricated by cold working, hot working, injection molding, extrusion molding, press molding, blow molding, casting molding, and gas-assisted molding.
  • the material of the front shell assembly 40 is aluminum or aluminum alloy, which can be made by cold working methods such as turning, milling, planing, drilling, and drawing.
  • the material of the front case assembly 40 is a non-metallic material, which may be formed by a non-metallic material forming method such as injection molding.
  • the printed circuit board 20 is installed in the front case assembly 40, the printed circuit board 20 can be the main board of the mobile terminal 120, and is an important element for providing electrical connection for the electronic components in the mobile terminal 120.
  • the number of layers can be divided into single-layer, double-layer, four-layer, six-layer and other multi-layer circuit boards.
  • the printed circuit board 20 generally includes a base material, a metal coating, and a circuit layer.
  • the printed circuit board 20 may be integrated with one, two or two of functional components such as a motor, a microphone, a speaker, an earphone interface, a universal serial bus interface, a camera, a distance sensor, an ambient light sensor, a receiver, and a processor and a radio frequency module. multiple.
  • the battery 30 is installed in the front case assembly 40 , and the battery 30 is electrically connected to the printed circuit board 20 to provide power to the mobile terminal 120 .
  • the distance between the first side 1031 and the second side 1032 of the touch screen cover 103 is greater than the distance between the first side 1011 and the second side 1012 of the display screen 101 . That is, the touch screen cover 103 covers the display screen 101 .
  • the first side 1031 of the touch screen cover 103 and the first side 1011 of the display screen 101 are located on the first side 1201 of the mobile terminal 120, and the second side 1032 of the touch screen cover 103 and the display
  • the second side 1012 of the screen 101 is located on the second side 1202 of the mobile terminal 120 , and the distance between the first side 1031 of the touch screen cover 103 and the first side 1011 of the display screen 101 is equal to the distance of the touch screen cover 103 .
  • the distance between the second side surface 1032 and the second side surface 1012 of the display screen 101, and the distance between the first side surface of the touch screen cover and the first side surface of the display screen ranges from 0 mm to 1 mm.
  • the left and right sides of the touch screen cover will protrude about 1mm from one side of the display screen.
  • the left and right sides of the touch screen cover 103 ie the first side 1031 and the The size of the second side 1032 ) protruding from the left and right sides of the display screen 101 (ie, the first side 1011 and the second side 1012 ) is in the range of 0 mm to 1 mm (for example, 0.25 mm). Therefore, a touch screen cover is used.
  • the size of the mobile terminal 120 made of 103 is reduced by 0mm to 1mm on one side of the black border, which realizes the ultra-narrow frame design.
  • the first side 1011 of the display screen 101 and the first side 501 of the touch screen decoration 50 form a first gap 601
  • the second side 1012 of the display 101 and the second side 501 of the touch screen decoration 50 form a first gap 601
  • a second slit 602 is formed on the side 502.
  • the first slit 601 and the second slit 602 are respectively provided with a second adhesive layer 104 and a third adhesive layer 105.
  • the display screen 101 passes through the second adhesive layer 104 and the third adhesive layer 105.
  • the adhesive layer 105 is connected to the touch screen decoration 50 .
  • the first side 1011 of the display screen 101 is tightly connected with the first side 501 of the touch screen decoration 50, and the second side 1012 of the display screen 101 is connected with the touch screen
  • the second side 502 of the decoration piece 50 is tightly connected, which can not only connect and fix the display screen 101 and the touch screen decoration piece 50 , but also fill the first gap 601 and the second gap 602 to prevent water and dust from entering the interior of the mobile terminal 120 . .
  • the touch screen decoration 50 includes a first step surface 503 and a second step surface 504 located at the upper and lower ends of the touch screen decoration 50 , and the touch screen cover 103 is passed through the fourth adhesive layer 106 and the fifth adhesive layer.
  • the adhesive layer 107 is connected to the first stepped surface 503 and the second stepped surface 504 respectively.
  • the touch screen cover 103 is connected with the touch screen decoration 50, and the touch screen cover 103 is connected with the display screen 101 through the first adhesive layer 102, so as to form a touch screen including a touch screen
  • the three-in-one assembly 200 of the cover plate 103 , the display screen 101 and the touch screen decoration 50 is formed.
  • the front case assembly 40 further includes an adhesive surface 403 , and the three-in-one assembly 200 is adhered to the adhesive surface 403 through the sixth adhesive layer 108 .
  • the touch screen decoration 50 in the three-in-one assembly 200 is adhered to the adhesive surface 403 of the front case assembly 40 through the sixth adhesive layer 108 .
  • the corresponding materials of the second adhesive layer 104 , the third adhesive layer 105 , the fourth adhesive layer 106 , the fifth adhesive layer 107 and the sixth adhesive layer 108 are hot melt adhesives.
  • Hot melt adhesive is a kind of plastic adhesive, its physical state changes with temperature change within a certain temperature range, but its chemical properties remain unchanged. Compared with general glue, hot melt adhesive has higher bonding strength and better curing effect. And it is easier to control the thickness of the glue, which can better meet the design requirements of the narrow frame of electronic equipment.
  • hot melt adhesives are thermoplastic polyurethanes, and products bonded with hot melt adhesives are easier to disassemble or repair.
  • the hot-melt adhesive can be a PUR hot-melt adhesive, that is, a moisture-curing reactive polyurethane hot-melt adhesive.
  • the main component is an isocyanate-terminated polyurethane prepolymer. The adhesiveness and toughness (elasticity) of the PUR hot-melt adhesive can be adjusted. , and has excellent adhesive strength, temperature resistance, chemical resistance and aging resistance.
  • the first adhesive layer 102, the fourth adhesive layer 106, the fifth adhesive layer 107 and the sixth adhesive layer 108 are formed by dispensing, and the second adhesive layer 104 and the sixth adhesive layer
  • the three adhesive layers 105 are formed by spraying glue.
  • the second adhesive layer 104 and the third adhesive layer 105 are located in the first gap 601 and the second gap 602, and the sizes of the first gap 601 and the second gap 602 are too small, it is inconvenient to dispense glue, Dispensing glue cannot reach all positions, so the second adhesive layer 104 and the third adhesive layer 105 are formed by spraying glue.
  • the first adhesive layer 102 is optical adhesive.
  • using the optical adhesive as the first adhesive layer 102 can not only realize the fixed connection between the touch screen cover 103 and the display screen 101 , but also achieve the perspective effect without affecting the display module 10 .
  • the thickness of the touch screen cover 103 is 2 mm. Wherein, with the thickness of the touch screen cover 103, the curved surface effect produced is closer to the 3D curved surface effect, and the user's grip and experience will be better.
  • the touch screen cover 103 is made by engraving and polishing. Jingdiao is CNC.
  • the glass is processed into the shape required by the project through CNC, that is, the glass is processed into the shape of the touch screen cover 103 in this case; the main meaning of polishing is to improve the appearance and color of the glass after CNC processing.
  • the touch screen cover 103 The flat polishing process in the polishing process is used (the flat polishing is mainly used to process large planes), that is, the flat polishing process is used to increase the arc surface of the touch screen cover plate 103; in addition, since the thickness of the ordinary 2.5D glass cover plate is only It is about 0.7mm, so the radian of the ordinary 2.5D glass cover can only be made very small.
  • the thickness of the glass cover is thickened, the radian of the 2.5D touch screen cover 103 can be increased to form a large curved surface effect; Finally, there is no requirement for the thickness of the LCD display in this case, and the thickness of the LCD display will not affect the overall curved surface effect.
  • the effect of 3D curved screen can be made, which reduces the cost compared with the use of curved OLED (Organic Light-Emitting Diode, also known as organic electric laser display, organic light-emitting semiconductor) screen to make a 3D curved screen.
  • OLED Organic Light-Emitting Diode
  • a mobile terminal 120 provided by an embodiment of the present invention includes a front case assembly 40, a display module 10, and a touch screen decoration 50;
  • the front case assembly 40 includes a substrate 401 and a side wall 402 extending from the periphery of the substrate , the side wall 402 forms an accommodation space around it;
  • the display module 10 includes a display screen 101, a first adhesive layer 102 and a touch screen cover 103 that are stacked in sequence, wherein the touch screen cover 103 is a 2.5D glass cover , its thickness ranges from 0.7mm to 3mm;
  • the touch screen decoration 50 is arranged around the display module 10, and is assembled with the display module 10 to form a three-in-one assembly 200, and the three-in-one assembly 200 is arranged in the receiving space Inside.
  • a 2.5D glass cover plate with a certain thickness and a certain size is used as the touch screen cover plate of the mobile terminal 120, and the touch screen cover plate is subjected to multiple fine carving and polishing processes, and then the touch screen cover plate is fully engraved with the ordinary liquid crystal display screen. Fitting, making the effect of 3D curved screen and realizing the ultra-narrow frame design, reducing the cost.
  • An embodiment of the present invention also provides a method for assembling a mobile terminal, which is applied to a mobile terminal, and the mobile terminal may be a device such as a smart phone or a tablet computer.
  • FIG. 4 is a schematic flowchart of a method for assembling a mobile terminal according to an embodiment of the present invention.
  • the method for assembling a mobile terminal, applied to a mobile terminal may include the following steps:
  • a display screen and a touch screen cover are provided, and a layer of glue is applied to the lower surface of the display screen to form a first adhesive layer, and the touch screen cover and the display screen are connected by the first adhesive layer.
  • Lamination is performed to form a display module, wherein the touch screen cover is a 2.5D glass cover with a thickness ranging from 0.7mm to 3mm;
  • a touch screen decoration is provided, and the symmetrical first step surface and the second step surface of the touch screen decoration are front-dispensed through a glue dispenser to form a fourth adhesive layer and a fifth adhesive layer, so that the touch screen Adhesive is attached to the first step surface and the second step surface of the decorative piece;
  • the display module is bonded with the first step surface and the second step surface of the touch screen decoration through the adhesive to form a three-in-one assembly, and the three-in-one assembly is carried out by a first pressing machine.
  • a front shell assembly is provided, and the peripheral edge of the front shell assembly is dispensed through the glue dispenser, and the three-in-one assembly placed in the first pressure-keeping box after being maintained and fixed with the pass Assembling the front shell assembly after the glue dispenser dispenses;
  • the assembled three-in-one assembly and the front shell assembly are pressed together for a second time by a second pressing machine.
  • step 101 a display screen and a touch screen cover are provided, and a layer of glue is applied to the lower surface of the display screen to form a first adhesive layer.
  • the display screen is laminated to form a display module, wherein the touch screen cover is a 2.5D glass cover with a thickness ranging from 0.7mm to 3mm.
  • the first adhesive layer is optical adhesive. Due to the characteristics of the optical glue, the use of the optical glue as the first adhesive layer can not only realize the fixed connection between the touch screen cover and the display screen, but also realize the see-through effect without affecting the display module.
  • Step 102 providing a touch screen decoration, and applying glue to the front of the symmetrical first step surface and the second step surface of the touch screen decoration through a glue dispenser to form a fourth adhesive layer and a fifth adhesive layer, so that Adhesive is attached to the first step surface and the second step surface of the touch screen decoration.
  • the adhesive required for the glue must be preheated to a specified temperature, and the preheated adhesive must be preheated to a specified temperature. Put it into the heating cylinder of the dispenser, and continue to heat it, and the temperature is controlled at 110 degrees Celsius to 120 degrees Celsius, which can ensure that the adhesive is in a molten state, which is convenient for the dispensing machine to flow and dispense. Install the corresponding dispensing tip in the dispenser.
  • the preheating temperature of the adhesive is 110 degrees Celsius to 120 degrees Celsius, and the preheating time of the adhesive is 10 minutes to 20 minutes.
  • Step 103 Adhere the display module to the first step surface and the second step surface of the touch screen decoration through the adhesive to form a three-in-one assembly, and pass the three-in-one assembly through the first pressing. The machine is pressed for the first time.
  • the adhesive can be selected from Maxim 003AC, 002AC, 004AC, 003B, Loctite 3579, 3605 or Huitian 7852B, because these adhesives are all heating glue, the glue performance is stable, the adhesive force is strong, and it is easy to disassemble.
  • the display module and the touch screen decoration can be tightly connected, and on the other hand, when the display module and the touch screen decoration need to be repaired, the display module can be reused after dismantling.
  • the time range of the first pressing is 7 seconds to 10 seconds, and the pressing force is in the range of 0.2 MPa to 0.4 MPa.
  • the display module is bonded to the first step surface and the second step surface of the touch screen decoration through the adhesive to form a three-in-one assembly, including:
  • the display module is installed into the touch screen decoration, so that the first end of the display module is bonded to the first step surface of the touch screen decoration through the adhesive, and the display module is The second end of the group is bonded with the second step surface of the touch screen decoration through the adhesive to form a three-in-one assembly.
  • Step 104 spray glue on the symmetrical first and second sides of the back of the three-in-one component to form a second adhesive layer and a third adhesive layer, and put them into the first pressure-keeping box for pressure-keeping and fixing .
  • the purpose of placing the first pressure-holding box for pressure-holding and fixing is to prevent the three-in-one assembly from not being finalized and affecting the next step.
  • the second glue spraying of the three-in-one component is because when the glue is sprayed for the first time, the position clamped by the positioning fixture is not sprayed with glue, so the second glue spray is not sprayed with the first glue spray. sprayed location.
  • Step 105 providing a front shell assembly, dispensing the periphery of the front shell assembly through the glue dispenser, and placing the three-in-one assembly after being placed in the first pressure-holding box for pressure-keeping and fixing with the glue dispenser. assembling the front shell assembly after dispensing by the dispensing machine;
  • step 106 the assembled three-in-one assembly and the front shell assembly are pressed together for a second time by a second pressing machine.
  • the time range of the second pressing is 7 seconds to 10 seconds, and the pressing force is 0.2 MPa to 0.4 MPa.
  • the method further includes:
  • the three-in-one assembly after being pressed by the first pressing machine is put into the first pressure-holding box for the first pressure-holding and fixing.
  • the time for the first pressure holding and fixing is 2 hours.
  • the method further includes:
  • the time for the second pressure-holding and fixing is 2 hours.
  • the mobile terminal assembly method provided by the embodiment of the present invention provides a display screen and a touch screen cover, and coats a layer of glue on the lower surface of the display screen to form a first glue layer, and the first glue layer is formed by the first glue layer.
  • An adhesive layer attaches the touch screen cover plate and the display screen to form a display module, wherein the touch screen cover plate is a 2.5D glass cover plate with a thickness ranging from 0.7mm to 3mm; providing touch screen decoration
  • the first step surface and the second step surface symmetrical in the touch screen decoration piece are front-dispensed through a glue dispenser to form a fourth adhesive layer and a fifth adhesive layer, so that the touch screen decoration
  • Adhesive is attached to the first step surface and the second step surface
  • the display module is bonded to the first step surface and the second step surface of the touch screen decoration through the adhesive to form a three-in-one assembly, and all the The three-in-one assembly is pressed for the first time by the first pressing machine; glue is sprayed on the symmetrical first and second sides of the back of the three-in-one assembly to form the second adhesive layer and the third adhesive layer.
  • the embodiment of the present invention realizes the design of the ultra-narrow frame of the mobile terminal through two glue dispensing and two glue spraying processes.
  • a mobile terminal and a size measurement method provided by the embodiments of the present invention have been described above in detail.
  • the principles and implementations of the present invention are described with specific examples in this paper.
  • the technical solution of the invention and its core idea; those of ordinary skill in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of the technical features; and these modifications or replacements,
  • the essence of the corresponding technical solutions does not deviate from the scope of the technical solutions of the embodiments of the present invention.

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Abstract

本发明实施例提供一种移动终端及其组装方法。移动终端包括前壳组件、显示模组和触摸屏装饰件；显示模组包括显示屏、第一粘胶层、触摸屏盖板，触摸屏盖板为2.5D玻璃盖板，其厚度范围为0.7mm至3mm。通过采用一定厚度的2.5D玻璃盖板作为移动终端的触摸屏盖板，并对其进行精雕和抛光工艺达到3D曲面屏效果并实现超窄边框设计，降低成本。

Description

移动终端及移动终端装配方法
本申请要求于2020年10月22日提交中国专利局、申请号为2020111407657、发明名称为“移动终端及移动终端装配方法”的中国专利申请的优先权，其全部内容通过引用结合在本发明中。
技术领域
本发明涉及移动终端技术，特别涉及一种移动终端及移动终端装配方法。
 背景技术
当前，智能手机的边框越来越窄，屏幕可视区域的屏占比越来越高，3D曲面屏设计在各品牌机型中所占的比重也越来越高，即窄边框和3D曲面屏成为了终端厂商追求的目标。然而市面上的3D曲面屏设计均采用曲面OLED屏幕，屏的单体成本相当高，只能在旗舰机中采用。
因此，现有技术存在缺陷，有待改进与发展。
 技术解决方案
本发明实施例提供一种移动终端及移动终端装配方法，通过采用一定厚度的2.5D玻璃盖板作为移动终端的触摸屏盖板，与普通的液晶显示屏进行全贴合，可以做出3D曲面屏的效果并且实现超窄边框设计，降低成本。
第一方面，本发明实施例提供一种移动终端，包括前壳组件、显示模组和触摸屏装饰件；
所述前壳组件包括基板以及自基板周缘延伸的侧壁，所述侧壁围绕形成一收容空间；
所述显示模组包括依次层叠设置的显示屏、第一粘胶层、触摸屏盖板，其中，所述触摸屏盖板为2.5D玻璃盖板，其厚度范围为0.7mm至3mm；
所述触摸屏装饰件设置于所述显示模组的四周，与所述显示模组组装成三合一组件，所述三合一组件设置于所述收容空间内。
进一步的，在所述的移动终端中，所述触摸屏盖板的第一侧面和第二侧面之间的距离大于所述显示屏的第一侧面和第二侧面之间的距离。
进一步的，在所述的移动终端中，所述触摸屏盖板的第一侧面与所述显示屏的第一侧面位于所述移动终端的第一侧，所述触摸屏盖板的第二侧面与所述显示屏的第二侧面位于所述移动终端的第二侧，所述触摸屏盖板的第一侧面与所述显示屏的第一侧面之间的距离，等于所述触摸屏盖板的第二侧面与所述显示屏的第二侧面之间的距离，所述触摸屏盖板的第一侧面与所述显示屏的第一侧面之间的距离范围为0mm至1mm。
进一步的，在所述的移动终端中，所述显示屏的第一侧面与所述触摸屏装饰件的第一侧面形成第一缝隙，所述显示屏的第二侧面与所述触摸屏装饰件的第二侧面形成第二缝隙，所述第一缝隙和第二缝隙中分别设置有第二粘胶层和第三粘胶层，所述显示屏通过第二粘胶层和第三粘胶层与所述触摸屏装饰件连接。
进一步的，在所述的移动终端中，所述触摸屏装饰件包括位于所述触摸屏装饰件的上下两端的第一台阶面和第二台阶面，所述触摸屏盖板通过第四粘胶层和第五粘胶层分别与所述第一台阶面和第二台阶面连接。
第二方面，本发明实施例还提供了一种移动终端组装方法，应用于移动终端，其包括以下步骤：
提供显示屏和触摸屏盖板，并将所述显示屏的下表面涂覆上一层胶，形成第一粘胶层，通过所述第一粘胶层将所述触摸屏盖板和所述显示屏进行贴合，形成显示模组，其中，所述触摸屏盖板为2.5D玻璃盖板，其厚度范围为0.7mm至3mm；
提供触摸屏装饰件，并将所述触摸屏装饰件中对称的第一台阶面和第二台阶面通过点胶机进行正面点胶，形成第四粘胶层和第五粘胶层，使得所述触摸屏装饰件的第一台阶面和第二台阶面附着胶粘剂；
将所述显示模组通过所述胶粘剂与所述触摸屏装饰件的第一台阶面和第二台阶面粘接，组成三合一组件，并将所述三合一组件通过第一压合机进行第一次压合；
对所述三合一组件背面相对称的第一侧和第二侧进行喷胶，形成第二粘胶层和第三粘胶层，并放入第一保压盒进行保压固定；
提供前壳组件，并将所述前壳组件的周缘通过所述点胶机进行点胶，以及将所述放入所述第一保压盒保压固定后的三合一组件与所述通过所述点胶机点胶后的前壳组件进行组装；
将所述组装后的三合一组件和前壳组件通过第二压合机进行第二次压合。
进一步的，在所述的移动终端组装方法中，所述将所述显示模组通过所述胶粘剂与所述触摸屏装饰件的第一台阶面和第二台阶面粘接，组成三合一组件，包括：
将所述显示模组装入所述触摸屏装饰件内，以使所述显示模组的第一端通过所述粘胶剂与所述触摸屏装饰件的第一台阶面粘接，所述显示模组的第二端通过所述胶粘剂与所述触摸屏装饰件的第二台阶面粘接，组成三合一组件。
进一步的，在所述的移动终端组装方法中，所述对所述三合一组件背面相对称的第一侧和第二侧进行喷胶，形成第二粘胶层和第三粘胶层，并放入第一保压盒进行保压固定，包括：
将所述三合一组件装入定位夹具，通过第一喷胶机对所述装入所述定位夹具的三合一组件的背面的第一侧和第二侧进行第一次喷胶；
将所述第一次喷胶后的三合一组件从所述定位夹具中取出，通过第二喷胶机对所述三合一组件的背面的第一侧和第二侧进行第二次喷胶，形成第二粘胶层和第三粘胶层；
将所述第二次喷胶后的三合一组件放入第一保压盒进行保压固定。
进一步的，在所述的移动终端组装方法中，所述将所述三合一组件通过第一压合机进行压合后，还包括：
将所述通过第一压合机进行压合后的三合一组件放入第一保压盒进行第一次保压固定。
进一步的，在所述的移动终端组装方法中，所述将所述组装后的三合一组件和前壳组件通过第二压合机进行压合后，还包括：
将所述压合后的三合一组件和前壳组件放入第二保压盒进行第二次保压固定。
第三方面，本发明实施例提供一种移动终端，其包括前壳组件、显示模组和触摸屏装饰件；
所述前壳组件包括基板以及自基板周缘延伸的侧壁，所述侧壁围绕形成一收容空间；
所述显示模组包括依次层叠设置的显示屏、第一粘胶层、触摸屏盖板，其中，所述触摸屏盖板为2.5D玻璃盖板，其厚度范围为0.7mm至3mm，所述触摸屏盖板的厚度为2mm；
所述触摸屏装饰件设置于所述显示模组的四周，与所述显示模组组装成三合一组件，所述三合一组件设置于所述收容空间内；
所述触摸屏盖板的第一侧面和第二侧面之间的距离大于所述显示屏的第一侧面和第二侧面之间的距离。
进一步的，在所述移动终端中，所述触摸屏盖板的第一侧面与所述显示屏的第一侧面位于所述移动终端的第一侧，所述触摸屏盖板的第二侧面与所述显示屏的第二侧面位于所述移动终端的第二侧，所述触摸屏盖板的第一侧面与所述显示屏的第一侧面之间的距离，等于所述触摸屏盖板的第二侧面与所述显示屏的第二侧面之间的距离，所述触摸屏盖板的第一侧面与所述显示屏的第一侧面之间的距离范围为0mm至1mm。
进一步的，在所述移动终端中，所述显示屏的第一侧面与所述触摸屏装饰件的第一侧面形成第一缝隙，所述显示屏的第二侧面与所述触摸屏装饰件的第二侧面形成第二缝隙，所述第一缝隙和第二缝隙中分别设置有第二粘胶层和第三粘胶层，所述显示屏通过第二粘胶层和第三粘胶层与所述触摸屏装饰件连接。
进一步的，在所述移动终端中，所述触摸屏装饰件包括位于所述触摸屏装饰件的上下两端的第一台阶面和第二台阶面，所述触摸屏盖板通过第四粘胶层和第五粘胶层分别与所述第一台阶面和第二台阶面连接。
进一步的，在所述移动终端中，所述前壳组件还包括粘胶面，所述三合一组件通过第六粘胶层与所述粘胶面贴合。
本发明实施例提供的移动终端，包括前壳组件、显示模组和触摸屏装饰件；所述前壳组件包括基板以及自基板周缘延伸的侧壁，所述侧壁围绕形成一收容空间；所述显示模组包括依次层叠设置的显示屏、第一粘胶层、触摸屏盖板，其中，所述触摸屏盖板为2.5D玻璃盖板，其厚度范围为0.7mm至3mm；所述触摸屏装饰件设置于所述显示模组的四周，与所述显示模组组装成三合一组件，所述三合一组件设置于所述收容空间内。本发明实施例通过采用一定厚度的2.5D玻璃盖板作为移动终端的触摸屏盖板，并对该盖板进行多道精雕和抛光工艺，再与普通的液晶显示屏进行全贴合，做出了3D曲面屏的效果以及实现了超窄边框设计，降低了成本。
 附图说明
图1为本发明实施例提供的移动终端的结构示意图。
图2为本发明实施例提供的移动终端的三合一组件的示意图。
图3为本发明实施例提供的移动终端的爆炸图。
图4为本发明实施例提供的移动终端装配方法的流程示意图。
具体实施方式
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，本领域技术人员在没有作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。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个所述特征。在本发明的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接或可以相互通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本发明中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
下文的公开提供了许多不同的实施方式或例子用来实现本发明的不同结构。为了简化本发明的公开，下文中对特定例子的部件和设置进行描述。当然，它们仅仅为示例，并且目的不在于限制本发明。此外，本发明可以在不同例子中重复参考数字和/或参考字母，这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施方式和/或设置之间的关系。此外，本发明提供了的各种特定的工艺和材料的例子，但是本领域普通技术人员可以意识到其他工艺的应用和/或其他材料的使用。
本发明实施例提供一种移动终端。该移动终端可以是智能手机、平板电脑和智能手表等设备。参考图1至图3，移动终端120包括显示模组10、电路板20、电池30、前壳组件40以及触摸屏装饰件50。
其中，前壳组件40包括基板401以及自基板周缘延伸的侧壁402，所述侧壁402围绕形成一收容空间，显示模组10包括依次层叠设置的显示屏101、第一粘胶层102、触摸屏盖板103，触摸屏盖板103安装到显示屏101上，以覆盖显示屏101。显示屏101为普通的液晶显示屏，触摸屏盖板103可以为透明玻璃盖板。例如，触摸屏盖板103可以是用诸如蓝宝石等材料制成的玻璃盖板。其中，触摸屏盖板103为2.5D玻璃盖板，其厚度范围为0.7mm至3mm，例如触摸屏盖板103的厚度可以为2mm。例如，触摸屏盖板103可以为2mm厚度的2.5D玻璃盖板，以便可以通过多道精雕和抛光工艺，与普通的液晶显示屏进行全贴合，做出3D曲面屏的效果，降低了成本。此外，触摸屏盖板103在左右两侧比显示屏101单边凸出的尺寸范围为0mm至1mm，例如触摸屏盖板103在左右两侧比显示屏101单边凸出的尺寸可以为0.25mm，而目前市面上常规的窄边框设计，触摸屏盖板在左右两侧会比显示屏外形单边凸出1mm左右，因此，采用触摸屏盖板103做成的移动终端120与以常规设计的触摸屏盖板做成的移动终端相比，其黑边单边减小的尺寸范围为0mm至1mm，实现了超窄边框设计。
显示屏101安装在前壳组件40上，以形成移动终端120的显示面。显示屏101可以包括显示区域和非显示区域。显示区域用于显示图像、文本等信息。非显示区域不显示信息。非显示区域的底部可以设置指纹模组、触控电路等功能组件。
例如，显示屏101还可以为全面屏，只有显示区域，没有非显示区域。其中，指纹模组、触控电路等功能组件设置在全面屏的下方。例如，显示屏101还可以为异形屏。
其中，前壳组件40可以形成移动终端120的外部轮廓。触摸屏盖板103粘贴在触摸屏装饰件50上，与触摸屏装饰件50一起固定到前壳组件40上，该触摸屏盖板103、触摸屏装饰件50和前壳组件40形成密闭空间，以容纳显示屏101、电路板20、电池30以及第一粘胶层102等器件。
在一些实施例中，前壳组件40可以为镁合金、不锈钢等金属材料制成。需要说明的是，本发明实施例前壳组件40的材料并不限于此，还可以采用其它方式，比如，前壳组件40可以包括非金属部分和金属部分。比如，前壳组件40还可以为塑胶壳体。比如，前壳组件40也可以为陶瓷壳体。比如，前壳组件40还可以为金属和塑胶相互配合的壳体结构。前壳组件40可以采用冷加工、热加工、注射成型、挤出成型、压制成型、吹塑成型、浇铸成型和气体辅助成型的方法制成。例如，前壳组件40的材料为铝或者铝合金，可以采用车、铣、刨、钻、拉等冷加工方法制成。又例如前壳组件40的材料为非金属材料，则可以采用注塑成型等非金属材料成型方法制成。
其中，该印制电路板20安装在前壳组件40中，该印制电路板20可以为移动终端120的主板，是为移动终端120内各电子元器件提供电气连接的重要元件，按照线路板层数可分为单面板、双面板、四层板、六层板以及其他多层线路板印制电路板20一般包含基材、金属涂层、线路层。印制电路板20上可以集成有马达、麦克风、扬声器、耳机接口、通用串行总线接口、摄像头、距离传感器、环境光传感器、受话器以及处理器、射频模块等功能组件中的一个、两个或多个。
其中，该电池30安装在前壳组件40中，电池30与该印制电路板20进行电连接，以向移动终端120提供电源。
在一些实施例中，该触摸屏盖板103的第一侧面1031和第二侧面1032之间的距离大于该显示屏101的第一侧面1011和第二侧面1012之间的距离。即触摸屏盖板103覆盖住显示屏101。
在一些实施例中，该触摸屏盖板103的第一侧面1031与该显示屏101的第一侧面1011位于该移动终端120的第一侧1201，该触摸屏盖板103的第二侧面1032与该显示屏101的第二侧面1012位于该移动终端120的第二侧1202，该触摸屏盖板103的第一侧面1031与该显示屏101的第一侧面1011之间的距离，等于该触摸屏盖板103的第二侧面1032与该显示屏101的第二侧面1012之间的距离，该触摸屏盖板的第一侧面与该显示屏的第一侧面之间的距离范围为0mm至1mm。
目前市面上常规的窄边框设计，触摸屏盖板在左右两侧会比显示屏外形单边凸出1mm左右，而本案的窄边框设计，触摸屏盖板103的左右两侧（即第一侧面1031和第二侧面1032）比显示屏101的左右两侧（即第一侧面1011和第二侧面1012）单边凸出的尺寸范围为0mm至1mm（例如可以为0.25mm），因此，采用触摸屏盖板103做成的移动终端120与以常规设计的触摸屏盖板做成的移动终端相比，其黑边单边减小的尺寸范围为0mm至1mm，实现了超窄边框设计。
在一些实施例中，该显示屏101的第一侧面1011与该触摸屏装饰件50的第一侧面501形成第一缝隙601，该显示屏101的第二侧面1012与该触摸屏装饰件50的第二侧面502形成第二缝隙602，该第一缝隙601和第二缝隙602中分别设置有第二粘胶层104和第三粘胶层105，该显示屏101通过第二粘胶层104和第三粘胶层105与该触摸屏装饰件50连接。
通过第二粘胶层104和第三粘胶层105，将显示屏101的第一侧面1011与该触摸屏装饰件50的第一侧面501紧密连接，将显示屏101的第二侧面1012与该触摸屏装饰件50的第二侧面502紧密连接，既可以将显示屏101与触摸屏装饰件50连接固定，又可以将第一缝隙601和第二缝隙602填充满，防止水以及灰尘等进入移动终端120内部。
在一些实施例中，该触摸屏装饰件50包括位于该触摸屏装饰件50的上下两端的第一台阶面503和第二台阶面504，该触摸屏盖板103通过第四粘胶层106和第五粘胶层107分别与该第一台阶面503和第二台阶面504连接。
通过第四粘胶层106和第五粘胶层107，将触摸屏盖板103与触摸屏装饰件50连接，加上触摸屏盖板103通过第一粘胶层102与显示屏101连接，从而组成包括触摸屏盖板103、显示屏101和触摸屏装饰件50的三合一组件200。
在一些实施例中，该前壳组件40还包括粘胶面403，该三合一组件200通过第六粘胶层108与该粘胶面403贴合。
其中，该三合一组件200中的触摸屏装饰件50通过第六粘胶层108与前壳组件40的粘胶面403贴合。
在一些实施例中，该第二粘胶层104、第三粘胶层105、第四粘胶层106、第五粘胶层107和第六粘胶层108对应的材质为热熔胶。
热熔胶是一种可塑性的粘合剂，在一定温度范围内其物理状态随温度改变而改变，而化学特性不变。相比于一般胶水而言，热熔胶的黏合强度更大，固化效果更佳。且更容易控制胶水的粗细，更能满足电子设备窄边框的设计要求。另外，热熔胶属于热塑性聚氨酯，使用热熔胶粘接的产品更易于拆卸或返修。例如，该热熔胶可以为PUR热熔胶，即为湿气固化反应型聚氨酯热熔胶，主要成分是端异氰酸酯聚氨酯预聚体，PUR热熔胶的粘接性和韧性(弹性)可调节，并有着优异的粘接强度、耐温性、耐化学腐蚀性和耐老化性。
在一些实施例中，该第一粘胶层102、第四粘胶层106、第五粘胶层107和第六粘胶层108通过点胶的方式形成，该第二粘胶层104和第三粘胶层105通过喷胶的方式形成。
其中，因为第二粘胶层104和第三粘胶层105因为是处于第一缝隙601和第二缝隙602中，而第一缝隙601和第二缝隙602的尺寸太小，点胶不方便，点胶也不能点到所有的位置，因此第二粘胶层104和第三粘胶层105通过喷胶的方式形成。
在一些实施例中，该第一粘胶层102为光学胶。
其中，由于光学胶的特点，采用光学胶作为第一粘胶层102，不仅可以实现将触摸屏盖板103与显示屏101进行固定连接，还可以实现不影响显示模组10的透视效果。
在一些实施例中，该触摸屏盖板103的厚度为2mm。其中，触摸屏盖板103在该厚度下，做出来的曲面效果和3D曲面效果更接近，用户的握感和体验会更好。
在一些实施例中，该触摸屏盖板103通过精雕和抛光工艺做成。精雕即CNC，通过CNC将玻璃加工成项目所需要的形状，即将玻璃加工成本案触摸屏盖板103的形状；抛光的主要意义在于改善经过CNC加工后玻璃的外观色泽，本案中触摸屏盖板103采用的是抛光工艺中的平抛工艺（平抛主要用来加工大平面），即采用平抛工艺来加大触摸屏盖板103的弧面；另外，由于普通的2.5D玻璃盖板的厚度只有0.7mm左右，所以普通的2.5D玻璃盖板的弧度只能做得很小，而本案将玻璃盖板的厚度加厚，则可以加大2.5D触摸屏盖板103的弧度，形成大曲面效果；最后，本案对LCD显示屏的厚度没有要求，LCD显示屏的厚度不会影响整体的曲面效果，因此通过对触摸屏盖板103进行多道精雕和抛光工艺，再将其与普通的液晶显示屏进行全贴合，就可以做出3D曲面屏的效果，与采用曲面OLED（OrganicLight-Emitting Diode，又称为有机电激光显示、有机发光半导体）屏幕做成3D曲面屏相比，降低了成本。
综上所述，本发明实施例提供的一种移动终端120，包括前壳组件40、显示模组10和触摸屏装饰件50；该前壳组件40包括基板401以及自基板周缘延伸的侧壁402，该侧壁402围绕形成一收容空间；该显示模组10包括依次层叠设置的显示屏101、第一粘胶层102和触摸屏盖板103，其中，该触摸屏盖板103为2.5D玻璃盖板，其厚度范围为0.7mm至3mm；该触摸屏装饰件50设置于该显示模组10的四周，与该显示模组10组装成三合一组件200，该三合一组件200设置于该收容空间内。本发明实施例通过采用一定厚度和一定尺寸的2.5D玻璃盖板作为移动终端120的触摸屏盖板，并对该触摸屏盖板进行多道精雕和抛光工艺，再与普通的液晶显示屏进行全贴合，做出了3D曲面屏的效果以及实现了超窄边框设计，降低了成本。
本发明实施例还提供了一种移动终端组装方法，应用于移动终端，所述移动终端可以是智能手机、平板电脑等设备。
请参阅图4，图4为本发明实施例提供的移动终端装配方法的流程示意图。所述移动终端装配方法，应用于移动终端中，所述方法可以包括以下步骤：
提供显示屏和触摸屏盖板，并将所述显示屏的下表面涂覆上一层胶，形成第一粘胶层，通过所述第一粘胶层将所述触摸屏盖板和所述显示屏进行贴合，形成显示模组，其中，所述触摸屏盖板为2.5D玻璃盖板，其厚度范围为0.7mm至3mm；
提供触摸屏装饰件，并将所述触摸屏装饰件中对称的第一台阶面和第二台阶面通过点胶机进行正面点胶，形成第四粘胶层和第五粘胶层，使得所述触摸屏装饰件的第一台阶面和第二台阶面附着胶粘剂；
将所述显示模组通过所述胶粘剂与所述触摸屏装饰件的第一台阶面和第二台阶面粘接，组成三合一组件，并将所述三合一组件通过第一压合机进行第一次压合；
对所述三合一组件背面相对称的第一侧和第二侧进行喷胶，形成第二粘胶层和第三粘胶层，并放入第一保压盒进行保压固定；
提供前壳组件，并将所述前壳组件的周缘通过所述点胶机进行点胶，以及将所述放入所述第一保压盒保压固定后的三合一组件与所述通过所述点胶机点胶后的前壳组件进行组装；
将所述组装后的三合一组件和前壳组件通过第二压合机进行第二次压合。
步骤101，提供显示屏和触摸屏盖板，并将所述显示屏的下表面涂覆上一层胶，形成第一粘胶层，通过所述第一粘胶层将所述触摸屏盖板和所述显示屏进行贴合，形成显示模组，其中，所述触摸屏盖板为2.5D玻璃盖板，其厚度范围为0.7mm至3mm。
其中，第一粘胶层为光学胶。由于光学胶的特点，采用光学胶作为第一粘胶层，不仅可以实现将触摸屏盖板与显示屏进行固定连接，还可以实现不影响显示模组的透视效果。
步骤102，提供触摸屏装饰件，并将所述触摸屏装饰件中对称的第一台阶面和第二台阶面通过点胶机进行正面点胶，形成第四粘胶层和第五粘胶层，使得所述触摸屏装饰件的第一台阶面和第二台阶面附着胶粘剂。
其中，在将触摸屏装饰件中对称的第一台阶面和第二台阶面通过点胶机进行正面点胶前，还要对点胶所需的胶粘剂预热到指定温度，将预热好的胶粘剂装入点胶机的加热筒中，并且持续加热，温度控制在110摄氏度至120摄氏度，可以保证胶粘剂处于熔融状态，方便点胶机流动点胶。在点胶机中装上对应的点胶针头。其中胶粘剂的预热温度为110摄氏度至120摄氏度，胶粘剂的预热时间为10分钟至20分钟。
步骤103，将所述显示模组通过所述胶粘剂与所述触摸屏装饰件的第一台阶面和第二台阶面粘接，组成三合一组件，并将所述三合一组件通过第一压合机进行第一次压合。
其中，该胶粘剂可以选用美信003AC、002AC、004AC、003B，乐泰3579、3605或回天7852B，因为这些粘胶剂都是加热型胶水，胶水性能稳定，粘合力强，且易于拆卸，一方面可以使显示模组和触摸屏装饰件紧固连接，另一方面当显示模组和触摸屏装饰件要维修的话，拆完后显示模组就还可以重复使用。其中，第一次压合的时间范围为7秒至10秒，压合力范围为0.2MPa至0.4MPa。
在一些实施例中，所述将所述显示模组通过所述胶粘剂与所述触摸屏装饰件的第一台阶面和第二台阶面粘接，组成三合一组件，包括：
将所述显示模组装入所述触摸屏装饰件内，以使所述显示模组的第一端通过所述粘胶剂与所述触摸屏装饰件的第一台阶面粘接，所述显示模组的第二端通过所述胶粘剂与所述触摸屏装饰件的第二台阶面粘接，组成三合一组件。
步骤104，对所述三合一组件背面相对称的第一侧和第二侧进行喷胶，形成第二粘胶层和第三粘胶层，并放入第一保压盒进行保压固定。
其中，放入第一保压盒进行保压固定是为了防止该三合一组件还没有定型，影响下一步操作。
在一些实施例中，所述对所述三合一组件背面相对称的第一侧和第二侧进行喷胶，形成第二粘胶层和第三粘胶层，并放入第一保压盒进行保压固定，包括：
将所述三合一组件装入定位夹具，通过第一喷胶机对所述装入所述定位夹具的三合一组件的背面的第一侧和第二侧进行第一次喷胶；
将所述第一次喷胶后的三合一组件从所述定位夹具中取出，通过第二喷胶机对所述三合一组件的背面的第一侧和第二侧进行第二次喷胶，形成第二粘胶层和第三粘胶层；
将所述第二次喷胶后的三合一组件放入第一保压盒进行保压固定。
其中，对该三合一组件进行第二次喷胶是因为第一次喷胶时，定位夹具所夹住的位置没有喷到胶，因此第二次喷胶是喷第一次喷胶所没喷到的位置。
步骤105，提供前壳组件，并将所述前壳组件的周缘通过所述点胶机进行点胶，以及将所述放入所述第一保压盒保压固定后的三合一组件与所述通过所述点胶机点胶后的前壳组件进行组装；
步骤106，将所述组装后的三合一组件和前壳组件通过第二压合机进行第二次压合。
其中，第二次压合的时间范围为7秒至10秒，压合力范围为0.2MPa至0.4MPa。
在一些实施例中，所述将所述三合一组件通过第一压合机进行压合后，还包括：
将所述通过第一压合机进行压合后的三合一组件放入第一保压盒进行第一次保压固定。
其中，第一次保压固定的时间为2个小时。
在一些实施例中，所述将所述组装后的三合一组件和前壳组件通过第二压合机进行压合后，还包括：
将所述压合后的三合一组件和前壳组件放入第二保压盒进行第二次保压固定。
其中，第二次保压固定的时间为2个小时。
由上可知，本发明实施例提供的移动终端组装方法通过提供显示屏和触摸屏盖板，并将所述显示屏的下表面涂覆上一层胶，形成第一粘胶层，通过所述第一粘胶层将所述触摸屏盖板和所述显示屏进行贴合，形成显示模组，其中，所述触摸屏盖板为2.5D玻璃盖板，其厚度范围为0.7mm至3mm；提供触摸屏装饰件，并将所述触摸屏装饰件中对称的第一台阶面和第二台阶面通过点胶机进行正面点胶，形成第四粘胶层和第五粘胶层，使得所述触摸屏装饰件的第一台阶面和第二台阶面附着胶粘剂；将所述显示模组通过所述胶粘剂与所述触摸屏装饰件的第一台阶面和第二台阶面粘接，组成三合一组件，并将所述三合一组件通过第一压合机进行第一次压合；对所述三合一组件背面相对称的第一侧和第二侧进行喷胶，形成第二粘胶层和第三粘胶层，并放入第一保压盒进行保压固定；提供前壳组件，并将所述前壳组件的周缘通过所述点胶机进行点胶，并将所述放入所述第一保压盒保压固定后的三合一组件与所述通过所述点胶机点胶后的前壳组件进行组装；将所述组装后的三合一组件和前壳组件通过第二压合机进行第二次压合。本发明实施例通过两道点胶+两道喷胶工艺，实现了移动终端超窄边框的设计。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
以上对本发明实施例所提供的一种移动终端及尺寸测量方法进行了详细介绍，本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的技术方案及其核心思想；本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例的技术方案的范围。

Claims (20)

  1. 一种移动终端，其包括前壳组件、显示模组和触摸屏装饰件；
    所述前壳组件包括基板以及自基板周缘延伸的侧壁，所述侧壁围绕形成一收容空间；
    所述显示模组包括依次层叠设置的显示屏、第一粘胶层、触摸屏盖板，其中，所述触摸屏盖板为2.5D玻璃盖板，其厚度范围为0.7mm至3mm；
    所述触摸屏装饰件设置于所述显示模组的四周，与所述显示模组组装成三合一组件，所述三合一组件设置于所述收容空间内。
  2. 如权利要求1所述的移动终端，其中，所述触摸屏盖板的第一侧面和第二侧面之间的距离大于所述显示屏的第一侧面和第二侧面之间的距离。
  3. 如权利要求2所述的移动终端，其中，所述触摸屏盖板的第一侧面与所述显示屏的第一侧面位于所述移动终端的第一侧，所述触摸屏盖板的第二侧面与所述显示屏的第二侧面位于所述移动终端的第二侧，所述触摸屏盖板的第一侧面与所述显示屏的第一侧面之间的距离，等于所述触摸屏盖板的第二侧面与所述显示屏的第二侧面之间的距离，所述触摸屏盖板的第一侧面与所述显示屏的第一侧面之间的距离范围为0mm至1mm。
  4. 如权利要求2所述的移动终端，其中，所述显示屏的第一侧面与所述触摸屏装饰件的第一侧面形成第一缝隙，所述显示屏的第二侧面与所述触摸屏装饰件的第二侧面形成第二缝隙，所述第一缝隙和第二缝隙中分别设置有第二粘胶层和第三粘胶层，所述显示屏通过第二粘胶层和第三粘胶层与所述触摸屏装饰件连接。
  5. 如权利要求4所述的移动终端，其中，所述触摸屏装饰件包括位于所述触摸屏装饰件的上下两端的第一台阶面和第二台阶面，所述触摸屏盖板通过第四粘胶层和第五粘胶层分别与所述第一台阶面和第二台阶面连接。
  6. 如权利要求5所述的移动终端，其中，所述前壳组件还包括粘胶面，所述三合一组件通过第六粘胶层与所述粘胶面贴合。
  7. 如权利要求6所述的移动终端，其中，所述第二粘胶层、第三粘胶层、第四粘胶层、第五粘胶层和第六粘胶层对应的材质为热熔胶。
  8. 如权利要求6所述的移动终端，其中，所述第一粘胶层、第四粘胶层、第五粘胶层和第六粘胶层通过点胶的方式形成，所述第二粘胶层和第三粘胶层通过喷胶的方式形成。
  9. 如权利要求1所述的移动终端，其中，所述第一粘胶层为光学胶。
  10. 如权利要求1所述的移动终端，其中，所述触摸屏盖板的厚度为2mm。
  11. 一种移动终端组装方法，应用于移动终端，其包括以下步骤：
    提供显示屏和触摸屏盖板，并将所述显示屏的下表面涂覆上一层胶，形成第一粘胶层，通过所述第一粘胶层将所述触摸屏盖板和所述显示屏进行贴合，形成显示模组，其中，所述触摸屏盖板为2.5D玻璃盖板，其厚度范围为0.7mm至3mm；
    提供触摸屏装饰件，并将所述触摸屏装饰件中对称的第一台阶面和第二台阶面通过点胶机进行正面点胶，形成第四粘胶层和第五粘胶层，使得所述触摸屏装饰件的第一台阶面和第二台阶面附着胶粘剂；
    将所述显示模组通过所述胶粘剂与所述触摸屏装饰件的第一台阶面和第二台阶面粘接，组成三合一组件，并将所述三合一组件通过第一压合机进行第一次压合；
    对所述三合一组件背面相对称的第一侧和第二侧进行喷胶，形成第二粘胶层和第三粘胶层，并放入第一保压盒进行保压固定；
    提供前壳组件，并将所述前壳组件的周缘通过所述点胶机进行点胶，以及将所述放入所述第一保压盒保压固定后的三合一组件与所述通过所述点胶机点胶后的前壳组件进行组装；
    将所述组装后的三合一组件和前壳组件通过第二压合机进行第二次压合。
  12. 如权利要求11所述的移动终端组装方法，其中，所述将所述显示模组通过所述胶粘剂与所述触摸屏装饰件的第一台阶面和第二台阶面粘接，组成三合一组件，包括：
    将所述显示模组装入所述触摸屏装饰件内，以使所述显示模组的第一端通过所述粘胶剂与所述触摸屏装饰件的第一台阶面粘接，所述显示模组的第二端通过所述胶粘剂与所述触摸屏装饰件的第二台阶面粘接，组成三合一组件。
  13. 如权利要求11所述的移动终端组装方法，其中，所述对所述三合一组件背面相对称的第一侧和第二侧进行喷胶，形成第二粘胶层和第三粘胶层，并放入第一保压盒进行保压固定，包括：
    将所述三合一组件装入定位夹具，通过第一喷胶机对所述装入所述定位夹具的三合一组件的背面的第一侧和第二侧进行第一次喷胶；
    将所述第一次喷胶后的三合一组件从所述定位夹具中取出，通过第二喷胶机对所述三合一组件的背面的第一侧和第二侧进行第二次喷胶，形成第二粘胶层和第三粘胶层；
    将所述第二次喷胶后的三合一组件放入第一保压盒进行保压固定。
  14. 如权利要求11所述的移动终端组装方法，其中，所述将所述三合一组件通过第一压合机进行压合后，还包括：
    将所述通过第一压合机进行压合后的三合一组件放入第一保压盒进行第一次保压固定。
  15. 如权利要求14所述的移动终端组装方法，其中，所述将所述组装后的三合一组件和前壳组件通过第二压合机进行压合后，还包括：
    将所述压合后的三合一组件和前壳组件放入第二保压盒进行第二次保压固定。
  16. 一种移动终端，其包括前壳组件、显示模组和触摸屏装饰件；
    所述前壳组件包括基板以及自基板周缘延伸的侧壁，所述侧壁围绕形成一收容空间；
    所述显示模组包括依次层叠设置的显示屏、第一粘胶层、触摸屏盖板，其中，所述触摸屏盖板为2.5D玻璃盖板，其厚度范围为0.7mm至3mm，所述触摸屏盖板的厚度为2mm；
    所述触摸屏装饰件设置于所述显示模组的四周，与所述显示模组组装成三合一组件，所述三合一组件设置于所述收容空间内；
    所述触摸屏盖板的第一侧面和第二侧面之间的距离大于所述显示屏的第一侧面和第二侧面之间的距离。
  17. 如权利要求16所述的移动终端，其中，所述触摸屏盖板的第一侧面与所述显示屏的第一侧面位于所述移动终端的第一侧，所述触摸屏盖板的第二侧面与所述显示屏的第二侧面位于所述移动终端的第二侧，所述触摸屏盖板的第一侧面与所述显示屏的第一侧面之间的距离，等于所述触摸屏盖板的第二侧面与所述显示屏的第二侧面之间的距离，所述触摸屏盖板的第一侧面与所述显示屏的第一侧面之间的距离范围为0mm至1mm。
  18. 如权利要求17所述的移动终端，其中，所述显示屏的第一侧面与所述触摸屏装饰件的第一侧面形成第一缝隙，所述显示屏的第二侧面与所述触摸屏装饰件的第二侧面形成第二缝隙，所述第一缝隙和第二缝隙中分别设置有第二粘胶层和第三粘胶层，所述显示屏通过第二粘胶层和第三粘胶层与所述触摸屏装饰件连接。
  19. 如权利要求18所述的移动终端，其中，所述触摸屏装饰件包括位于所述触摸屏装饰件的上下两端的第一台阶面和第二台阶面，所述触摸屏盖板通过第四粘胶层和第五粘胶层分别与所述第一台阶面和第二台阶面连接。
  20. 如权利要求19所述的移动终端，其中，所述前壳组件还包括粘胶面，所述三合一组件通过第六粘胶层与所述粘胶面贴合。
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