CN115250303A - Display device, assembling method and assembling tool - Google Patents

Display device, assembling method and assembling tool Download PDF

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Publication number
CN115250303A
CN115250303A CN202110469892.XA CN202110469892A CN115250303A CN 115250303 A CN115250303 A CN 115250303A CN 202110469892 A CN202110469892 A CN 202110469892A CN 115250303 A CN115250303 A CN 115250303A
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CN
China
Prior art keywords
glue
colloid
middle frame
display device
cover plate
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202110469892.XA
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Chinese (zh)
Inventor
代晓峰
许义东
朱金武
徐长念
王小伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN202110469892.XA priority Critical patent/CN115250303A/en
Publication of CN115250303A publication Critical patent/CN115250303A/en
Pending legal-status Critical Current

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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0208—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
    • F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The embodiment of the application provides a display device, an assembling method and an assembling tool. The assembling method of the display device comprises the following steps: providing a middle frame and a cover plate, wherein the middle frame comprises a plurality of first connecting parts and a plurality of second connecting parts, and one first connecting part is connected with two second connecting parts; coating first glue on each first connecting part; coating second glue on each second connecting part; covering the cover plate on the middle frame, and bonding the cover plate with the first glue and the second glue; the first glue is solidified at the first connecting part to form a first glue body, the second glue is solidified at the second connecting part to form a second glue body, the first glue body is connected with the second glue body, and the bonding strength of one of the first glue body and the second glue body is greater than that of the other glue body. The display device and the display method can reduce occupation of the middle frame space, and accordingly screen occupation ratio of the display device is improved. In addition, the strength of one of the first colloid and the second colloid is high, so that the stability of the fixed connection between the cover plate and the middle frame can be improved.

Description

Display device, assembling method and assembling tool
Technical Field
The present disclosure relates to display devices, and particularly to a display device, an assembling method and an assembling tool.
Background
Along with the development of science and technology, the demand of user to the display device function increases gradually, and display device generally has the display screen and covers the apron of locating on the display screen, and display device such as cell-phone, panel computer all have the display screen and cover the apron of locating on the display screen.
In the related art, the cover plate is covered on the display surface of the display screen, and in order to ensure the connection stability of the display screen and the cover plate, the display screen and the cover plate can be fixedly connected to the middle frame of the display device by adopting a connection structure. For example, the display screen and the cover plate are fixedly connected to the middle frame through glue and plastic pieces. However, the plastic member may additionally occupy a space for assembling the display screen of the display device, resulting in a reduction in the screen ratio of the display device.
Disclosure of Invention
The embodiment of the application provides a display device, an assembling method and an assembling tool.
The embodiment of the application provides an assembling method of a display device, which comprises the following steps:
providing a middle frame and a cover plate, wherein the middle frame comprises a plurality of first connecting parts and a plurality of second connecting parts, and one first connecting part is connected with two second connecting parts;
coating first glue on each first connecting part;
coating a second glue on each second connecting part;
covering the cover plate on the middle frame, and bonding the cover plate with the first glue and the second glue; the first glue is solidified at the first connecting part to form a first glue body, the second glue is solidified at the second connecting part to form a second glue body, the first glue body is connected with the second glue body, and the bonding strength of one of the first glue body and the second glue body is greater than that of the other glue body.
An embodiment of the present application further provides a display device, including:
the middle frame comprises a first connecting part and a second connecting part which are connected with each other, and the width of the first connecting part is larger than that of the second connecting part;
the first colloid is arranged on the first connecting part;
the second colloid is arranged on the second connecting part, and the bonding strength of the first colloid is greater than that of the second colloid;
the cover plate is arranged on the middle frame in a covering mode, and the cover plate is fixedly connected with the middle frame through the second colloid and the first colloid.
An embodiment of the present application further provides an assembling tool for a display device, where the display device is any one of the display devices described above, and the assembling tool includes:
the first valve body is filled with first glue for coating a first connecting part of the middle frame; and
and the second valve body is filled with second glue which is used for coating the second connecting part of the middle frame.
The apron is on the center through first colloid and the direct fixed connection of second colloid in display device, compares and additionally sets up the working of plastics and will lap fixed connection to the center, can reduce the occupation to the center space to improve display device's screen and account for the ratio. And one of the first colloid and the second colloid in the embodiment of the application has high strength, so that the stability of the fixed connection between the cover plate and the middle frame can be improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can also be derived from them without inventive effort.
For a more complete understanding of the present application and its advantages, reference is now made to the following descriptions taken in conjunction with the accompanying drawings, wherein like reference numerals represent like parts in the following description.
Fig. 1 is a schematic flowchart illustrating an assembly method of a display device according to an embodiment of the present disclosure.
Fig. 2 is a schematic diagram illustrating a state of glue in a display device according to an embodiment of the present disclosure.
Fig. 3 is a schematic view showing the cooperation of the glue, the cover plate and the middle frame in fig. 2.
Fig. 4 is a schematic structural diagram of a display device according to an embodiment of the present application.
Fig. 5 is a perspective view of a display device according to an embodiment of the present application.
Fig. 6 is a schematic structural diagram of a middle frame in a display device according to an embodiment of the present application.
Fig. 7 is an enlarged view of a portion B shown in fig. 6.
Fig. 8 is a schematic view of a first structure of a first colloid and a second colloid in a display device provided in an embodiment of the present application.
Fig. 9 is a second structural schematic diagram of the first colloid and the second colloid in the display device provided in the embodiment of the present application.
Fig. 10 is a schematic diagram of a third structure of the first colloid and the second colloid in the display device provided in the embodiment of the present application.
Fig. 11 is a schematic structural diagram of a cover plate in a display device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without inventive step, are within the scope of the present application.
The display device generally has a display screen and a cover plate covering the display screen, and for example, display devices such as mobile phones and tablet computers all have a display screen and a cover plate covering the display screen. In the related art, the cover plate is covered on the display surface of the display screen, and in order to ensure the connection stability of the display screen and the cover plate, the display screen and the cover plate can be fixedly connected to the middle frame of the display device by adopting a connection structure.
But display device keeps under the unchangeable condition of screen ratio, needs to guarantee that the width of the bonding department of apron and center can not be greater than 0.6 millimeter, and this width can't satisfy two kinds of glue of some simultaneously and glue inwards overflow and glue extrudeed screen display module. However, when the whole circle between the cover plate and the middle frame is only coated with PUR glue (moisture curing reaction type polyurethane hot melt adhesive), when the whole machine falls from 45 degrees to 90 degrees, the movement of the screen relative to the middle frame can cause the lifting of the moisture-removing gas curing reaction type polyurethane hot melt adhesive and the collision damage of the screen display module. When the whole circle of point AB structural adhesive (bi-component acrylate) between apron and the center, the screen display module is when falling the relative center drunkenness of screen less, and the screen is difficult to the damage, but AB glue can't form even fine and smooth outward appearance face through wiping at present. Therefore, in order to ensure that the cover plate is stably connected with the middle frame and the display device forms an even, fine and smooth appearance surface, the added colloid or plastic piece additionally occupies the space for assembling the display screen, and the screen occupation ratio of the display device is reduced.
Therefore, the present embodiment provides an assembling method of a display device, in which a plurality of first connecting portions and a plurality of second connecting portions are disposed on a middle frame, and two adjacent first connecting portions are connected to the second connecting portions. Wherein, the width of every first connecting portion is greater than the width of every second connecting portion, paints first glue at first connecting portion, paints second glue at the second connecting portion, paints first glue and second glue through the part, need not additionally increase the plastic part, can reduce the occupation to the center space to display device's screen has been improved and has been accounted for than. The following description will be made in detail with reference to drawings.
Referring to fig. 1, fig. 1 is a schematic flow chart illustrating an assembly method of a display device according to an embodiment of the present disclosure.
101. The middle frame comprises a plurality of first connecting parts and a plurality of second connecting parts, and one first connecting part is connected with two second connecting parts.
The middle frame is connected with the cover plate through the first connecting portion and the second connecting portion.
102. And coating a first glue on each first connecting part.
The first glue can be glue with strong bonding capacity or glue with good smoothness after solidification and polishing.
103. And coating a second glue on each second connecting part.
The second glue can be glue with strong bonding capacity or glue with good smoothness after solidification and polishing.
104. Covering the cover plate on the middle frame, and bonding the cover plate with the first glue and the second glue; the first glue is solidified at the first connecting part to form a first glue body, the second glue is solidified at the second connecting part to form a second glue body, the first glue body is connected with the second glue body, and the bonding strength of one of the first glue body and the second glue body is greater than that of the other glue body.
It is understood that the first glue and the second glue may be different glues. In some embodiments, the adhesive strength of the first colloid is greater than that of the second colloid, and the smoothness of the second colloid is greater than that of the first colloid. In other embodiments, the adhesive strength of the first colloid is less than that of the second colloid, and the smoothness of the second colloid is less than that of the first colloid.
It should be noted that the width of the glue with high bonding strength is greater than the width of the glue with low bonding strength, and it can be understood that the contact area of the glue body is increased by increasing the width of the glue body with high bonding strength, and the contact area of the glue body with the cover plate and the middle frame is increased without increasing the occupied space of the middle frame, so that the cover plate and the middle frame are bonded more firmly. For example, in some embodiments, the adhesive strength of the first colloid is greater than that of the second colloid, and the width of the second colloid is smaller than that of the first colloid. In other embodiments, the adhesive strength of the first colloid is less than that of the second colloid, and the width of the second colloid is greater than that of the first colloid.
The width of the first colloid is a first distance between the edge of the first colloid close to the near vision window part and the edge of the first colloid far away from the vision window part, and the width of the second colloid is a second distance between the edge of the second colloid close to the near vision window part and the edge of the second colloid far away from the vision window part. The width of the first colloid is larger than that of the second colloid, namely the first distance is larger than the second distance.
Specifically, in this embodiment, the first glue is a bi-component acrylate adhesive (AB glue) and the second glue is a moisture-curable polyurethane hot melt adhesive (PUR glue). The width of the first gel may be 0.8 mm and the width of the second gel may be 0.38 mm.
The AB glue is an efficient and environment-friendly adhesive, and is an adhesive used by matching a main agent reinforcing agent. The AB adhesive has the advantages of high modulus, low deformation, high bonding strength, good chemical resistance and the like. Can make display device apron relative center drunkenness less when falling through first colloid, if its first colloid can take up apron and center when display device wide-angle falls for the difficult damage of screen.
The PUR adhesive has the advantages of strong cohesiveness with paper fibers, high cold resistance, high heat resistance, long storage time, good ductility, easy wiping and the like. The action mechanism of the PUR adhesive is that the polyurethane prepolymer reacts with moisture in the air, and is cured and crosslinked to form a stable chemical structure. The PUR glue has a lower modulus than the first glue, and generally the PUR glue has a modulus of 200MPa or less. Therefore, the second colloid has better grindability than the first colloid, and a uniform, fine and smooth appearance surface can be formed after the second colloid is wiped by the dust-free cloth.
In some embodiments, the connection manner of the first colloid and the second colloid may be: the second colloid covers the first colloid, and the second colloid is arranged around the middle frame in a circle. That is, the side of the first colloid far from the display area is covered with the second colloid, and it should be noted that the second colloid may cover a part of the first colloid or the second colloid may completely cover the first colloid. The smoothness of the second colloid is greater than that of the first colloid, and a smooth outer surface can be obtained by polishing the second colloid. The bonding strength of the second colloid is smaller than that of the first colloid, and the stability of connection between the cover plate and the middle frame can be improved through the first colloid.
In some other embodiments, the connection manner of the first gel and the second gel may be: two adjacent second colloids are connected respectively at the both ends of first colloid, and first colloid and second colloid connect gradually. Through the first colloid and the second colloid of local setting, can guarantee not additionally to occupy the space that display device is used for assembling the display screen, and then can not lead to display device's screen to account for the reduction.
It should be noted that after the second glue forms the second glue on the second connection portion, the second glue needs to be polished. After the second colloid is polished, the display device can have a smooth and fine outer surface. The solution for wiping the second colloid may be any one having organic matters, for example, ethanol or a solution having ethanol, and the like. Through setting up the second colloid between display screen and center, polish the second colloid and can make display device's surface have smooth exquisite effect, and clean simple easy operation of method.
First glue and second glue are smeared on the middle frame, the cover plate and the middle frame are assembled and pressed, then a circle of first glue or second glue which is uniformly extruded out of the periphery of the cover plate and the middle frame during pressing is wiped smoothly by using a glue wiping roller with roll-shaped dust-free cloth, and a uniform and fine glue surface is formed after the first glue or the second glue is solidified and contracted. It should be noted that the glue for wiping the surface can be a first glue or a second glue, and the glue is only required to have the characteristics of easy wiping and smooth surface after wiping.
It should be noted that, after the cover plate is covered on the middle frame, the step of coating the second glue on the second connecting portion needs to be completed before the first glue applied to the first connecting portion of the middle frame is not solidified to form the first glue.
The surface drying time of the glue is generally 2 minutes to 4 minutes, so the time period from the first glue application to the second glue application is controlled within 2 minutes to 4 minutes. If the surface drying time of the first glue is exceeded, the bonding strength of the first glue is weakened, so that the cover plate is not firmly bonded with the middle frame, and the problem that the screen display module is warped and falls off is caused.
Based on this, the embodiment of the application also provides an assembly tool of a display device, the assembly tool comprises a first valve body and a second valve body, and the assembly tool can realize a double-valve glue spraying process. Specifically, the first valve body is filled with first glue for coating at the first connecting part of the middle frame, and the second valve body is filled with second glue for coating at the first connecting part of the middle frame.
It should be noted that, the first valve body and the second valve body may be both filled with the first glue or both filled with the second glue, and the specific situation is set according to the actual application requirement.
The first valve body may be a piezoelectric valve or a screw valve, and the second valve body may be a piezoelectric valve or a screw valve. Wherein, the screw valve is used for driving glue application by using a screw, and the piezoelectric valve is used for driving glue application by using piezoelectric ceramics and air pressure.
Specifically, for example, the assembly tool is a device in which a first valve body capable of dispensing two-component AB glue and a second valve body capable of dispensing single-component PUR glue are integrated. By the method, the problems that the subsequent bonding insecure screen display module is warped and falls off due to the fact that the first glue exceeds the glue surface drying time in the process of conveying the first glue to another device for dispensing after dispensing of the independent device can be solved.
Please refer to fig. 2 to fig. 3, wherein fig. 2 is a schematic diagram illustrating a state of the glue according to the present application. Fig. 3 is a schematic view showing the cooperation of the glue, the cover plate and the middle frame in fig. 2. The height of smearing glue is D1, and after apron 2 lid was located center 1, the width of colloid was W, and W more than or equal to 0.524 millimeter and less than or equal to 0.577 millimeter, theoretical excessive glue calculation is as follows:
1. the colloid line width W1, W1 are 0.38 millimeters, the colloid height D1, D1 are 0.21 millimeters, and the height H of height-limiting platform, H are 0.12 millimeters. Wherein, limit for height platform is the boss that is used for guaranteeing colloid thickness.
2. The glue pressed open formed a glue width W (calculated as R2/2= W × h), W = R (R1) 2/2h, W =0.47 mm.
W is small relative to the actual extruded average glue width of 0.51 mm.
The actual glue line is not perfectly semicircular and the glue line height is higher than 0.19 mm, typically 0.21 mm to 0.22 mm, i.e. D1 is 0.21 mm and D2 is 0.22 mm. It should be noted that D1 and D2 are the radius R1 of the perfect semicircle of the second glue.
If R1=0.20 mm, W =0.524 mm.
If R1=0.21 mm, W =0.577 mm.
Based on this, this embodiment is through setting up first colloid and second colloid in the center part, and the second colloid replaces the working of plastics among the correlation technique, and under the unchangeable condition of complete machine width, the width on its holistic vision black border can obviously reduce, because vision blind area reason moreover, sees the second colloid between center and the apron from the direction of display device's display screen, and the integration is effectual. And one of the first colloid and the second colloid has high strength, so that the stability of the fixed connection between the cover plate and the middle frame can be improved.
Referring to fig. 4 to 5, fig. 4 is a schematic structural diagram of a display device according to an embodiment of the present disclosure, and fig. 5 is a perspective view of the display device according to the embodiment of the present disclosure. The embodiment provides a display device 10, which comprises a middle frame 1, a colloid 3, a cover plate 2 and a display screen 5. The cover plate is covered on the display screen 5, the middle frame 1 is fixedly connected with the cover plate 2 through the colloid 3, wherein the middle frame 1 is provided with a bottom wall and a side wall, and the side wall is arranged around the bottom wall; the colloid 3 is arranged at the free tail end of the side wall; a part of the inner surface of the cover plate 2 and the periphery of the cover plate 2 are fixedly connected with the colloid 3. The colloid 3 includes a first colloid 31 and a second colloid 32. The middle frame 1 is connected with the cover plate through the first glue body 31 and the second glue body 32 so as to ensure the transition integrity between the cover plate 2 and the middle frame 1 and improve the integration effect of the display device.
Referring to fig. 6 and 7, fig. 6 is a schematic structural diagram of a middle frame of a display device according to an embodiment of the present application, and fig. 7 is an enlarged view of a portion B shown in fig. 6. The middle frame 1 comprises side frames and corner portions 15, the corner portions 15 are connected between two adjacent side frames, each side frame is provided with a long frame 14 and a short frame 16, and the short frames 16 are connected with the two adjacent long frames 14. In the free end of the middle frame 1, one side close to the display screen 5 is the inner side of the free end, and the side far away from the display screen 5 is the outer side of the free end; the cover plate 2 and the free end are bonded by the first colloid 31 and the second colloid 32, the edge of the cover plate 2 is almost flush with the edge of the outer side of the free end, and the edge of the outer side of the free end can be slightly wider than the edge of the cover plate 2.
The inner side of the free end of the middle frame 1 is provided with a height limiting boss 12, the height limiting boss 12 is formed by protruding and extending from the inner side of the free end to the direction far away from the bottom wall, and one end of the height limiting boss 12 far away from the bottom wall is abutted to the cover plate 2. The first glue body 31 and the second glue body 32 are arranged behind the free end of the middle frame 1, the cover plate 2 covers the middle frame 1, at the moment, the edge of the cover plate 2 can press the first glue body 31 and the second glue body 32 at the free end of the middle frame 1, if the height limiting boss 12 is not arranged, the situation that the adhesive in certain areas is pressed thinly can occur, and the situation that the adhesion is not firm can be caused. Consequently, set up limit for height boss 12 in the free end inboard of center 1, limit for height boss 12 can set up the round in the free end inboard, also can set up at the inboard interval of free end, and limit for height boss 12 can guarantee the thickness of first colloid 31 and the thickness of second colloid 32 for the quantity of the adhesive of each position is more even, and local sunken or convex phenomenon can not appear, and further the stability of structure has also been improved.
It is understood that the boss 12 is plural, and the plural bosses 12 are provided at intervals. The spaced bosses 12 occupy less space than the successive bosses 12 and achieve the same effect.
The middle frame 1 further comprises a first connecting portion and a second connecting portion which are connected with each other, and the width of the first connecting portion is larger than that of the second connecting portion. The first colloid 31 is arranged on the first connecting part; the second colloid 32 is disposed on the second connection portion. The first gel body 31 and the second gel body 32 are connected.
First colloid 31 may have any shape such as a circle, a triangle, or an ellipse, and second colloid 32 may have any shape such as a circle, a triangle, or an ellipse.
The first colloid 31 may be provided on one or more corners 15 of the middle frame 1, or may be provided on the long side frame 14 of the middle frame 1 or the short side frame 16 of the middle frame 1. The second glue body 32 is arranged on the side frame in a surrounding manner, can also be matched with the first glue body 31, covers the first glue body 31 and is arranged at the corner part 15 of the middle frame 1.
Specifically, with reference to fig. 8 to 10, fig. 8 is a schematic view of a first structure of a first colloid and a second colloid of a display device provided in an embodiment of the present application, fig. 9 is a schematic view of a second structure of the first colloid and the second colloid of the display device provided in the embodiment of the present application, and fig. 10 is a schematic view of a third structure of the first colloid and the second colloid of the display device provided in the embodiment of the present application. In some embodiments, the first glue 31 is disposed on one or more corners 15 of the middle frame 1, and the second glue 32 is disposed on the side frame of the middle frame 1. In some embodiments, the first glue body 31 is disposed on one or more corners 15 of the middle frame 1, a portion of the second glue body 32 is disposed on the side frame of the middle frame 1, and another portion of the second glue body 32 is disposed on one or more corners 15 of the middle frame 1 and covers a portion of the first glue body 31. In other embodiments, the first glue 31 is disposed on one or more corners 15 of the middle frame 1 and on one long border 14 or on a plurality of long borders 14 of the side borders.
The width of the first colloid 31 is larger than that of the second colloid 32, and the first colloid 31 and the second colloid 32 are connected with each other and used for bonding the cover plate 2 and the free end of the middle frame 1. The distribution positions of the first colloid 31 and the second colloid 32 are specifically set according to actual conditions.
The adhesive strength of the first colloid 31 is greater than that of the second colloid 32, and the smoothness of the second colloid 32 is greater than that of the first colloid 31. Specifically, the first adhesive 31 has a high adhesive strength, is used to firmly adhere the cover plate 2 and the middle frame 1 together, and has the advantages of low deformation, high adhesive strength, good chemical resistance, and the like. The second colloid 32 can be used as a gap filling glue between the cover plate 2 and the middle frame 1, and the second colloid 32 has the advantages of easy polishing, easy glue cleaning, easy wiping, good repair and the like. After the second colloid 32 is filled in the gap between the cover plate 2 and the middle frame 1, the second colloid 32 is polished, so that the edge of the cover plate 2 can be smoothly transited to the edge of the middle frame 1, and the appearance of the display device is ensured to be attractive.
Referring to fig. 11, fig. 11 is a schematic structural diagram of a cover plate in a display device according to an embodiment of the present disclosure. The cover plate includes a window portion 22 and a connecting portion 24, and the connecting portion 24 is located at a periphery of the window portion 22. The thickness of the cover plate 2 can be 0.3 mm to 0.8 mm, and the cover plate 2 can be made of glass, transparent ceramics, sapphire, high-strength plastic cover plate 2 and other materials with transmittance and other optical properties meeting the display standard. In the embodiment of the present application, the material of the cover plate 2 is only an example, and the material of the cover plate 2 in the embodiment of the present application is not limited.
The display device 10 disclosed in the embodiment of the present application may be, but is not limited to, a mobile phone, a notebook computer, an electronic watch, a tablet computer, an interphone, and the like.
The display device, the assembling method and the assembling tool provided by the embodiments of the present application are described in detail above, and the principles and embodiments of the present application are explained herein by applying specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (12)

1. A method of assembling a display device, comprising:
providing a middle frame and a cover plate, wherein the middle frame comprises a plurality of first connecting parts and a plurality of second connecting parts, and one first connecting part is connected with two second connecting parts;
coating first glue on each first connecting part;
coating a second glue on each second connecting part;
covering the cover plate on the middle frame, and bonding the cover plate with the first glue and the second glue; the first glue is solidified at the first connecting part to form a first glue body, the second glue is solidified at the second connecting part to form a second glue body, the first glue body is connected with the second glue body, and the bonding strength of one of the first glue body and the second glue body is greater than that of the other glue body.
2. The method of claim 1, wherein the second glue body is disposed around the middle frame in a circle, and the second glue body covers the first glue body, wherein the smoothness of the second glue body is greater than the smoothness of the first glue body, the adhesive strength of the second glue body is less than the adhesive strength of the first glue body, and the width of the second glue body is less than the width of the first glue body.
3. The method of assembling a display device according to claim 1, further comprising:
and polishing the second colloid so that the smoothness of the polished second colloid is greater than that of the polished first colloid.
4. The method according to claim 1, wherein the step of applying the second glue to each of the second connection portions is performed before the first glue is not formed.
5. A display device, comprising:
the middle frame comprises a first connecting part and a second connecting part which are connected with each other, and the width of the first connecting part is larger than that of the second connecting part;
the first colloid is arranged on the first connecting part;
the second colloid is arranged on the second connecting part, and the bonding strength of the first colloid is greater than that of the second colloid;
the cover plate is arranged on the middle frame in a covering mode, and the cover plate is fixedly connected with the middle frame through the second colloid and the first colloid.
6. The display device according to claim 5, wherein the smoothness of the second glue body is greater than the smoothness of the first glue body, and an outer surface of the second glue body, an edge of the middle frame and an edge of the cover plate are flush; or
The outer surface of the second colloid, which is connected with the middle frame and the cover plate, is a smooth cambered surface.
7. The display device according to claim 6, wherein a gap is formed between the cover plate and the middle frame, the second glue body is arranged around the periphery of the first glue body, and the second glue body is arranged around the periphery of the middle frame; or alternatively
The first colloid is connected with the second colloids, and one first colloid is positioned between the two second colloids;
the first glue body and the second glue body cover the gap between the cover plate and the middle frame.
8. The display device according to claim 6, wherein the middle frame comprises side frames and corner portions, one of the corner portions is connected between two adjacent side frames, the first connecting portion is located at one or more of the corner portions of the middle frame, and the second connecting portion is located at one or more of the side frames of the middle frame.
9. The display device according to claim 8, wherein the side frames have a plurality of long frames and a plurality of short frames, one of the short frames is disposed between two adjacent long frames, and the second connecting portion is located on the long frame of the middle frame.
10. The display device according to claim 9, wherein the second connection portion is provided at each of the side frames of the middle frame, and the first connection portion is provided at each of the corner portions.
11. The display device according to claim 9, wherein the first connection portion is provided at each of the corner portions and a middle portion of each of the side frames, and the second connection portion is provided at each of the side portions.
12. An assembly tool for a display device according to any one of claims 6 to 11, the assembly tool comprising:
the first valve body is filled with first glue coated on the first connecting part of the middle frame; and
and the second valve body is filled with second glue which is used for coating the second connecting part of the middle frame.
CN202110469892.XA 2021-04-28 2021-04-28 Display device, assembling method and assembling tool Pending CN115250303A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110469892.XA CN115250303A (en) 2021-04-28 2021-04-28 Display device, assembling method and assembling tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110469892.XA CN115250303A (en) 2021-04-28 2021-04-28 Display device, assembling method and assembling tool

Publications (1)

Publication Number Publication Date
CN115250303A true CN115250303A (en) 2022-10-28

Family

ID=83696575

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110469892.XA Pending CN115250303A (en) 2021-04-28 2021-04-28 Display device, assembling method and assembling tool

Country Status (1)

Country Link
CN (1) CN115250303A (en)

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