CN111258094A - Display module gluing assembly method and device - Google Patents
Display module gluing assembly method and device Download PDFInfo
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- CN111258094A CN111258094A CN202010089016.XA CN202010089016A CN111258094A CN 111258094 A CN111258094 A CN 111258094A CN 202010089016 A CN202010089016 A CN 202010089016A CN 111258094 A CN111258094 A CN 111258094A
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
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Abstract
The embodiment of the application provides a display module gluing and assembling method and device, and the display module gluing and assembling method comprises the following steps: coating glue on the peripheral area of the assembly end face of the backlight plate and illuminating the glue to obtain pre-cured glue; aligning the peripheral area outside the display area of the display panel with the pre-cured glue on the assembly end face of the backlight plate; and keeping the aligned display panel on the backlight plate for a preset time under a preset pressure to obtain the display module. The application provides a display module assembly gluing assembly method is through coating glue on the board that is shaded to realize precuring with illumination to glue, then press display panel on the board that is shaded, make precuring's glue obtain display module with display panel and the board that is shaded bonding, make the flow of glue obtain control, effectively prevent to produce the problem that glue spilled over in the veneer assembling process, improved display module's production qualification rate.
Description
Technical Field
The application relates to the technical field of display equipment assembly, in particular to a display module gluing assembly method and device.
Background
Display devices, such as mobile phone screens, tablet computer screens, and the like, gradually tend to have ultra-narrow frames, and display screens with ultra-narrow frames have larger display areas and are more popular with consumers under the same equipment size.
However, the display module in the current display device needs to be attached to the display panel and the backlight source to form the display module, the assembly of the display module is usually realized by using an adhesive tape, the adhesive tape is attached to the backlight source in a preset frame with a certain width, and then the display panel is attached to the backlight source through the adhesive tape. In order to ensure that the assembled display module has good firmness and long service life, the adhesive tape must be firmly bonded, so that certain requirements on the thickness and the width of the adhesive tape exist, and the frame narrowing space of the display module is very limited.
Solutions for attaching the display panel and the backlight source by using glue instead of adhesive tape have been gradually developed in the prior art. Glue has better adhesion strength and elongation at break, need not to install between display panel and backlight through the sticky tape that has certain thickness, can further reduce display module assembly's thickness, and bonding strength also promotes to some extent, can further reduce display module assembly's frame width. But in the assembling process, can only control gluey shape through the flow and the viscosity of glue, when the laminating, the excessive volume of gluing of unable accurate control takes place the excessive phenomenon of gluing very easily for glue gets into the display area, produces harmful effects to display module's display effect, is difficult to guarantee display module's production quality.
Disclosure of Invention
The application aims at the defects of the prior art and provides a display module gluing and assembling method and device, which are used for solving the technical problem of glue overflow in the gluing and assembling of the display module in the prior art.
In a first aspect, an embodiment of the present application provides a method for assembling a display module by gluing, where the display module includes a display panel and a backlight panel, and the method includes the following steps:
coating glue on the peripheral area of the assembly end face of the backlight plate and illuminating the glue to obtain pre-cured glue;
aligning the peripheral area outside the display area of the display panel with the pre-cured glue on the assembly end face of the backlight plate;
and keeping the aligned display panel on the backlight plate for a preset time under a preset pressure to obtain the display module.
In certain implementations of the first aspect, the step of applying glue on the peripheral area of the assembly end face of the backlight panel and illuminating the glue to obtain pre-cured glue comprises:
and coating glue along a preset track on the peripheral area of the assembling end face of the backlight plate, and illuminating the glue on the peripheral area of the assembling end face along the motion track of the coated glue.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, a plurality of first alignment marks are disposed on the display panel, and a second alignment mark is disposed on the assembling end face; the method comprises the following steps of aligning the peripheral area outside the display area of the display panel with pre-cured glue on the assembly end face of the backlight plate, wherein the steps comprise:
suspending the display panel right above the assembling end face of the backlight plate;
aligning the first alignment mark and the second alignment mark;
and aligning the display panel on the assembling end face of the backlight plate.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, an adhesive region is disposed on the assembly end surface of the backlight panel, the adhesive region includes an inner edge line and an outer edge line, and the outer edge line coincides with an edge of the backlight panel; the ratio of the width of the track line of the glue coated in the bonding area to the width of the bonding area is 3:10 to 8: 10.
With reference to the first aspect and the implementations described above, in certain implementations of the first aspect, the predetermined pressure is 0.5MPa to 1.0MPa and the predetermined time is 1min to 4 min.
With reference to the first aspect and the foregoing implementations, in some implementations of the first aspect, the glue is an acrylic composite polyurethane type glue; the light is ultraviolet light.
With reference to the first aspect and the foregoing implementations, in some implementations of the first aspect, the glue is illuminated for 5s to 6 s; the intensity of light irradiation is more than or equal to 1000mJ/cm2。
In a second aspect, the application provides a display module gluing and assembling device, which comprises a bearing platform, a lamp source, a gluing head, a pressing mechanism and a transferring mechanism;
the gluing head is used for coating glue on the peripheral area of the assembling end face of the backlight plate, and the light source is used for illuminating the glue to obtain pre-cured glue; the backlight plate is carried on the bearing platform;
the transfer mechanism is used for aligning the peripheral area outside the display area of the display panel with the pre-cured glue on the assembly end face of the backlight plate;
the pressing mechanism is used for keeping the aligned display panel on the backlight plate for a preset time under a preset pressure to obtain an assembled display module;
the transfer mechanism is also used for transferring the display module;
the light source and the gluing head are spaced at a preset interval.
In certain implementations of the second aspect, the light source is an elongated light source, the dispensing head is on a line of the elongated light source, and a closest distance between the dispensing head and the elongated light source is 8mm to 12 mm.
The technical scheme provided by the embodiment of the application has the following beneficial technical effects:
the application provides a display module assembly gluing assembly method is through coating glue on the board that is shaded to realize precuring with illumination to glue, then press display panel on the board that is shaded, make precuring's glue obtain display module with display panel and the board that is shaded bonding, make the flow of glue obtain control, effectively prevent to produce the problem that glue spilled over in the veneer assembling process, improved display module's production qualification rate.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic flow chart of a display module gluing assembly method according to an embodiment of the present disclosure;
fig. 2 is a schematic view illustrating a structure of an adhesion region on a backlight panel according to an embodiment of the present disclosure;
FIG. 3 is a schematic view of a coating principle provided in an embodiment of the present application;
fig. 4 is a schematic diagram of a glue state in a bonding state according to an embodiment of the present disclosure;
fig. 5 is a schematic flowchart illustrating a method for aligning a display panel with pre-cured glue according to an embodiment of the present disclosure;
fig. 6 is a schematic view illustrating an assembly process of a display device according to an embodiment of the present disclosure.
Description of reference numerals:
100-a backlight plate, 200-a display panel, 300-glue and 400-a glue coating head;
110-adhesive area, 111-outer border line, 112-inner border line.
Detailed Description
Reference will now be made in detail to the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts or parts having the same or similar functions throughout. In addition, if a detailed description of the known art is not necessary for illustrating the features of the present application, it is omitted. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It is to be understood that the term "and/or" as used herein is intended to include all or any and all combinations of one or more of the associated listed items.
Along with display device's screen ratio is bigger and bigger, and the frame is littleer and smaller, and thickness is more and more thin, and the production technology that adopts glue bonding to carry out the assembly of display module assembly is display device manufacturing enterprise's best choice. The glue is usually in a fluid state, the higher the thickness requirement of the device, the better the fluidity of the glue selected. However, a glue with good fluidity is difficult to be completely controlled, and after the assembled parts are jointed, the problem that the glue overflows from a coating area and is out of bounds is easily caused. The Display module generally includes a Display panel and a backlight panel, the Display panel is a Liquid Crystal Display (LCD) panel, if glue overflows, i.e. the glue overflows, the glue enters into the Display area of the Display module, and the Display effect is seriously affected.
The application provides a display module gluing and assembling method and device, and aims to solve the technical problems in the prior art.
The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
An embodiment of the first aspect of the present application provides a display module assembly gluing assembly method, the display module assembly includes a display panel 200 and a backlight panel 100, as shown in fig. 1, the display module assembly gluing assembly method includes the following steps:
s10: the glue 300 is coated on the peripheral area of the fitting end surface of the backlight panel 100 and the glue 300 is illuminated to obtain the pre-cured glue 300.
S20: the peripheral area outside the display area of the display panel 200 is aligned with the pre-cured glue 300 on the mounting surface of the backlight panel 100.
S30: and keeping the aligned display panel 200 on the backlight plate 100 for a preset time under a preset pressure to obtain the display module.
The application provides an above-mentioned display module assembly gluing assembly method is through scribbling glue 300 on board 100 in a poor light to realize solidifying in advance with illumination to glue 300, then press display panel 200 on board 100 in a poor light again, make the glue 300 of solidifying in advance obtain display module with display panel 200 and the bonding of board 100 in a poor light, make the flow of glue 300 obtain control, effectively prevent to produce the problem that glue 300 spills over in the veneer assembling process, the production qualification rate of display module has been improved.
After the backlight panel 100 is placed on the mounting table, the glue 300 having fluidity is uniformly applied on the backlight panel 100 by the relative movement of the glue 300 applying device and the mounting table. In some implementations of the display module gluing assembly method, the step of coating the glue 300 on the peripheral area of the assembly end surface of the backlight panel 100 and illuminating the glue 300 to obtain the pre-cured glue 300 includes:
the glue 300 is applied along a predetermined trajectory along the peripheral area of the mount end surface of the backlight panel 100 and illuminates the glue 300 on the peripheral area of the mount end surface following the movement trajectory of the applied glue 300. The connection between the backlight panel 100 and the display panel 200 is usually at the edge position, the middle position is usually the display area, the connection between the two is usually linear, the specific track shape is preset, that is, the predetermined track is similar to the outline of the backlight panel 100, and of course, when the installation position of some components needs to be reserved on some sites of the backlight panel 100, the predetermined track may be different from the outline of the backlight panel 100. The glue 300 is coated on the peripheral area of the assembly end face of the backlight plate 100 along a preset track, and the glue 300 coated on the backlight plate 100 is illuminated along the action of coating the glue 300, so that the glue 300 is pre-cured, the flowability of the glue 300 on the backlight plate 100 is reduced, and the controllability of the glue 300 is improved.
In another feasible manner, the glue 300 may be first applied to the peripheral area of the mounting end surface of the backlight panel 100 according to a predetermined track, and then the light irradiation operation may be performed on the applied glue 300 as a whole. The glue 300 coating efficiency can be improved by coating the glue 300 in a multi-site coating manner on the same predetermined trajectory. Of course, in the aforementioned solution of obtaining the pre-cured glue 300 following the light irradiation, a multi-point coating and light irradiation method can also be adopted.
In some embodiments, the glue 300 is applied according to a certain rule, as shown in fig. 2, an adhesive region 110 is disposed on the mounting end surface of the backlight panel 100, the adhesive region 110 includes an inner edge line 112 and an outer edge line 111, and the outer edge line 111 coincides with the edge of the backlight panel 100; the ratio of the width of the trace line of the glue 300 applied in the bonding region 110 to the width of the bonding region 110 is 3:10 to 8: 10. The bonding area 110 is the maximum allowable area where the glue 300 can spread on the backlight panel 100 and the display panel 200, and the bonding area 110 may overlap with the peripheral area of the mounting end face of the backlight panel 100, or may be smaller than the peripheral area of the mounting end face of the backlight panel 100, and is smaller than or equal to the peripheral area outside the display area of the display panel 200.
As shown in fig. 3 and 4, when glue 300 is applied to the middle of the bonding area 110, the glue 300 is generally applied in a drop shape in the bonding area 110, and the trace of glue 300 formed along the predetermined track has a certain width, and the ratio of the width to the width of the bonding area 110 is within a specific range, so as to avoid that the glue 300 overflows to the outside of the bonding area 110 due to the excess and affects the product quality. For example, the width of the bonding region 110 is 1mm (millimeter), and the maximum width of the glue 300 drop applied in the middle of the bonding region 110 is 0.5 mm. As shown in fig. 2, after the display panel 200 is assembled with the backlight panel 100 by gluing, the glue 300 flows from the middle of the bonding area 110 to both sides, and the width after spreading may be 0.9 mm.
In the embodiment of the present application, the glue 300 is an acrylic composite polyurethane type glue 300; the light is ultraviolet light. The glue 300 contains base resin, active monomer, photoinitiator and auxiliary agent, and can perform curing reaction in the presence of ultraviolet light to achieve pre-curing of the glue 300, and can also perform moisture curing reaction, and the moisture curing crosslinking reaction can occur in the absence of ultraviolet light, but the pre-curing efficiency is relatively low. It is feasible that in some embodiments, the glue 300 is irradiated for 5s to 6s, and the intensity of the light is greater than or equal to 1000mJ/cm2(millijoules per square centimeter).
In some possible embodiments, the display panel 200 is provided with a plurality of first alignment marks, and the assembly end face is provided with a second alignment mark; the step of aligning the peripheral region outside the display region of the display panel 200 with the pre-cured glue 300 on the mounting surface of the backlight panel 100, as shown in fig. 5, includes:
s21: the display panel 200 is suspended directly above the mounting end of the backlight 100.
S22: the first alignment mark and the second alignment mark are aligned.
S23: the display panel 200 is aligned on the mounting end of the backlight 100.
In order to ensure that the display panel 200 and the backlight panel 100 are accurately assembled at a predetermined position, marks are respectively disposed on the two components, for example, 3-4 cross marks are disposed on the display panel 200, and a second alignment mark is disposed at a corresponding predetermined position on the assembly end surface of the backlight panel 100, and the second alignment mark may also be directly selected from some points on a peripheral area having a special shape, or some points on an outer line of the bonding area 110, such as a corner or a corner.
It is possible, in certain implementations, that the predetermined pressure is 0.5MPa (megapascals) to 1.0MPa and the predetermined time is 1min (minutes) to 4 min. A certain pressure is maintained between the aligned display panel 200 and the backlight panel 100 for a sufficient time to ensure that the glue 300 is rapidly solidified, thereby forming a firm bonding structure between the display panel 200 and the backlight panel 100. The preset pressure and the preset time can ensure that the display module has enough pressure for gluing, and meanwhile, the parts are prevented from being damaged due to overlarge pressure, and the production efficiency is higher.
In addition, the glue 300 is used for gluing the backlight panel 100 and the display panel 200, and there may be a production process of firstly coating the glue 300 on the display panel 200 and then aligning the backlight panel 100 to the display panel 200.
The application provides a display module assembly quality in a second aspect, includes load-bearing platform, lamp source, rubber coating head 400, pressing mechanism and transport mechanism. The pressing mechanism can adopt a hydraulic mechanism, and the transferring mechanism can adopt a mechanical arm with a vacuum chuck.
The glue coating head 400 is used for coating glue 300 on the peripheral area of the assembling end face of the backlight plate 100, and the light source is used for illuminating the glue 300 to obtain pre-cured glue 300; the backlight plate 100 is carried on the carrying platform;
the transfer mechanism is used for aligning the peripheral area outside the display area of the display panel 200 with the pre-cured glue 300 on the assembly end face of the backlight panel 100;
the pressing mechanism is used for keeping the aligned display panel 200 on the backlight board 100 for a preset time under a preset pressure to obtain an assembled display module;
the transfer mechanism is also used for transferring the display module;
the light source is spaced apart from the gluing head 400 by a predetermined interval.
The application provides a display module assembly gluing assembly device can realize above-mentioned display module assembly gluing assembly method, through scribbling glue 300 on board 100 in a poor light, and realize the precuring with illumination to glue 300, then press display panel 200 on board 100 in a poor light, the glue 300 that makes the precuring obtains display module assembly with display panel 200 and the bonding of board 100 in a poor light, make the flow of glue 300 controlled, effectively prevent to produce the problem that glue 300 spilled over in the veneer assembling process, the production qualification rate of display module assembly has been improved.
The light source is a strip light source, the gluing head 400 is arranged on a straight line where the strip light source is located, and the nearest distance between the gluing head 400 and the strip light source is 8mm to 12 mm. To avoid the light source from affecting the light-fixing effect of the glue 300 emitted from the glue head 400, the light source is spaced apart from the glue head, and the light direction of the strip light source is unidirectional, i.e., directed toward the backlight panel 100. The light emitted by the strip-shaped light source is ultraviolet light.
In order to better understand the display module gluing and assembling method provided by the present application, as shown in fig. 6, at least a part of an actual production scenario is now described:
the first step is that the BLU (Back Light Unit, backlight Unit, i.e. the backlight panel 100) is put into use, the backlight panel 100 is placed on the bearing platform, and the bottom of the backlight panel 100 is placed at a specific position of a tray on the bearing platform by the convex hull of the backlight panel 100, so that the backlight panel 100 is ensured not to move relative to the bearing platform in the gluing process.
Specifically, the track and the flatness of the BLU frame may be detected by two CCD (Charge Coupled Device) cameras, and after the computer obtains the information of the peripheral area of the assembly end surface of the backlight panel 100, a gluing path is automatically generated, and a predetermined track of the glue 300 is obtained.
Then, glue 300 is applied, specifically, a needle-shaped glue head 400 is used, and the light source is selected from LED (L)Light Emitting Diode (LED) type Ultraviolet (UV) light source, wherein the wavelength parameter of the light is 405nm, and the power of the light source is more than or equal to 1000mJ/cm2(millijoules per square centimeter) to ensure that the glue 300 track is located in the middle of the bonding area 110 pre-established on the BLU, e.g. the width of the bonding area 110 is 1mm and the maximum width of the glue 300 track applied on the bonding area 110 is 0.5 mm.
Actually, the display panel 200 needs to be aligned with a predetermined position of the backlight 100, a cross-shaped mark is disposed on the display panel 200, the bonding area 110 of the backlight 100 is a rectangular frame with a certain width, and the cross-shaped mark on the display panel 200 is aligned with the corner edge of the backlight 100, so that the alignment between the display panel 200 and the backlight 100 can be achieved. Then, the transfer mechanism grabs the display panel 200, puts the display panel 200 on the backlight panel 100 in the state of counterpoint completion, and the display panel 200 is first laminated with the glue 300 of precuring, exerts pressure on the display panel 200 to keep a certain time, glue 300 solidifies, obtains the assembled display module assembly. The transfer mechanism comprises a vacuum chuck.
Those of skill in the art will appreciate that the various operations, methods, steps in the processes, acts, or solutions discussed in this application can be interchanged, modified, combined, or eliminated. Further, other steps, measures, or schemes in various operations, methods, or flows that have been discussed in this application can be alternated, altered, rearranged, broken down, combined, or deleted. Further, steps, measures, schemes in the prior art having various operations, methods, procedures disclosed in the present application may also be alternated, modified, rearranged, decomposed, combined, or deleted.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.
Claims (9)
1. A display module gluing and assembling method, the display module comprises a display panel (200) and a backlight plate (100), and is characterized by comprising the following steps:
coating glue (300) on the peripheral area of the assembling end face of the backlight plate (100) and illuminating the glue (300) to obtain pre-cured glue (300);
aligning a peripheral area outside the display area of the display panel (200) with the pre-cured glue (300) on the assembling end face of the backlight plate (100);
and keeping the aligned display panel (200) on the backlight plate (100) for a preset time at a preset pressure to obtain the display module.
2. The method for gluing and assembling display modules according to claim 1, wherein the step of applying glue (300) on the peripheral area of the assembling end face of the backlight panel (100) and illuminating the glue (300) to obtain pre-cured glue (300) comprises:
glue (300) is coated along a preset track on the peripheral area of the assembling end surface of the backlight plate (100), and the glue (300) on the peripheral area of the assembling end surface is illuminated along the motion track of the coated glue (300).
3. The gluing assembly method for the display module according to claim 1, wherein a plurality of first alignment marks are arranged on the display panel (200), and a second alignment mark is arranged on the assembly end face; the step of aligning the peripheral region outside the display region of the display panel (200) with the pre-cured glue (300) on the mounting end face of the backlight panel (100) comprises:
suspending the display panel (200) directly above the mounting end face of the backlight panel (100);
aligning the first alignment mark with the second alignment mark;
and aligning the display panel (200) on the assembling end face of the backlight plate (100).
4. The gluing method for assembling display modules according to claim 1, wherein the assembling end face of the backlight panel (100) is provided with an adhesive region (110), the adhesive region (110) comprises an inner edge line (112) and an outer edge line (111), and the outer edge line (111) is overlapped with the edge of the backlight panel (100); the ratio of the track width of the glue (300) applied in the bonding area (110) to the width of the bonding area (110) is 3:10 to 8: 10.
5. The gluing assembly method for the display module according to claim 1, wherein the predetermined pressure is 0.5MPa to 1.0MPa, and the predetermined time is 1min to 4 min.
6. The gluing assembly method of claim 1, wherein the glue (300) is an acrylic composite polyurethane type glue; the light of illumination is ultraviolet light.
7. The method for gluing and assembling display modules according to claim 6, wherein the time for illuminating the glue (300) is 5s to 6 s; the intensity of the illumination is more than or equal to 1000mJ/cm2。
8. A display module gluing and assembling device is characterized by comprising a bearing platform, a lamp source, a gluing head (400), a pressing mechanism and a transferring mechanism;
the gluing head (400) is used for coating glue (300) on the peripheral area of the assembling end face of the backlight plate (100), and the light source is used for illuminating the glue (300) to obtain pre-cured glue (300); the backlight plate (100) is borne on the bearing platform;
the transfer mechanism is used for aligning the peripheral area outside the display area of the display panel (200) with the pre-cured glue (300) on the assembling end face of the backlight plate (100);
the pressing mechanism is used for keeping the display panel (200) after alignment on the backlight plate (100) for a preset time under a preset pressure to obtain an assembled display module;
the transfer mechanism is also used for transferring the display module;
the light source is spaced from the gluing head (400) by a predetermined distance.
9. The gluing assembly device for display modules according to claim 8, wherein the light source is an elongated light source, the gluing head (400) is positioned on a straight line of the elongated light source, and the closest distance between the gluing head (400) and the elongated light source is 8mm to 12 mm.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103712A (en) * | 2021-05-14 | 2021-07-13 | 业成科技（成都）有限公司 | Bonding method and bonding apparatus |
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