Display module binding process

Abstract

The application discloses a display module binding process, which specifically comprises the following steps: S1, a preparation stage: preparing a full-automatic production line and cleaning glass, and preparing a polaroid, foam and COF; S2, full-automatic pasting: pasting the glass and the polaroid together; S3, COF binding: binding the COF and the glass together by means of a full-automatic device, and performing glue dispensing; S4, pasting foam: pasting foam or PET on the back of the glass; S5, custom FPC: binding the custom FPC and the display screen together; and S6, binding TFOG: manually binding the TFOG and the glass together on a semi-automatic production line and performing glue dispensing. The display module binding process can produce common parts in batches on a full-automatic production line, and then bind different FPCs according to different projects on a semi-automatic production line, so that the production efficiency of trial production is improved, the dependence on the full-automatic production line is reduced, and the rhythm of other mass production models is not affected.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of display module binding process, and particularly relates to a display module binding process. BACKGROUND

[0002] Currently, the trial production sample of the display screen with the COF needs to be arranged for production on the full-automatic line, and the full-automatic line production has the following problems: long production process, various models, long trial production machine adjustment time, and long time occupation of the full-automatic line equipment, which seriously affects the production time of the sample, affects the production delivery period of the trial production sample, and causes serious bottleneck for the project delivery period and the project. Therefore, the process is recombined and produced by the full-automatic line and the semi-automatic production line, which greatly improves the sample production efficiency and the equipment utilization rate, and indirectly improves the product competitiveness. SUMMARY

[0003] The present application aims at overcoming the deficiencies in the prior art, and provides a display module binding process.

[0004] The present application aims at overcoming the deficiencies in the prior art, and provides a display module binding process.

[0005] The display module binding process specifically comprises the following steps: S1, preparation stage: preparing the full-automatic production line and cleaning the glass, and preparing the polaroid, foam and COF; S2, full-automatic attachment: attaching the glass and the polaroid together; S3, COF binding: binding the COF and the glass together by the full-automatic equipment, and performing glue dispensing; S4, attaching foam: attaching the foam or PET to the back of the glass; S5, custom FPC: binding the custom FPC and the display screen together; S6, binding TFOG: manually binding the TFOG glass together on the semi-automatic production line and performing glue dispensing; S7, binding FOF: manually binding the FOF and the glass together on the semi-automatic production line and performing glue dispensing; and S8, electrical QC: performing QC current detection on the display screen after the binding is completed.

[0006] In one embodiment, in the S1 step, the staff needs to prepare the polaroid and the foam with the same size as the glass, and the glass must be cleaned to ensure that there is no dust on the front and back surfaces, and the cleaning environment must be a dust-free environment.

[0007] In one embodiment, in the S2 step, the glass, the polaroid and the foam with the same size are put into the full-automatic production line for full-automatic attachment.

[0008] In one of the embodiments, after the S3 step, the full-automatic production equipment is required to bind the COF with the glass through the high-temperature pressing of the ACF, the binding temperature is required to be 200°-250°, the pressure is required to be 30N, the time is required to be 8S-10S, and the dispensing is performed, the dispensing temperature is required to be kept at 60°, and a certain pressure is required during the dispensing.

[0009] In one of the embodiments, before the S4 step, it is required to detect whether the tear-off film attached to one side of the foam tape with the grid glue or the PET is complete, and the tear-off film is required to be torn off before the attachment, and the attachment is required to be performed in a dust-free environment.

[0010] In one of the embodiments, during the S5 step, different FPCs are customized according to different projects, the customized FPCs are bound with the COF through the high-temperature pressing of the ACF, the FPCs and the COF have corresponding metal PIN pins at corresponding positions, the pins are electrically connected with each other, and the dispensing is performed.

[0011] In one of the embodiments, during the S6 step, the manual binding of the TFOG is required to be performed on the semi-automatic production line, the positioning device on the semi-automatic production line is used to ensure the accuracy, and the dispensing is required to be performed at the corresponding position after the binding of the TFOG.

[0012] In one of the embodiments, during the S7 step, the manual binding of the FOF is required to be performed on the semi-automatic production line, the positioning device on the semi-automatic production line is used to ensure the accuracy, and the dispensing is required to be performed at the corresponding position after the binding of the FOF.

[0013] In one of the embodiments, during the S7 step, the temperature is controlled at 60° during the dispensing of the protection glue after the binding of the TFOG and the FOF, a certain pressure is required during the dispensing, the temperature is required to be controlled during the binding of the TFOG and the FOF, the quartz pressure strip is required to be ensured not to be softened and deformed or crystallized due to exceeding the temperature limit during the use, and the quartz pressure strip is required to be protected from being damaged.

[0014] In one of the embodiments, during the S8 step, the display module after the binding assembly is required to be electrically tested, the products meeting the requirements and the products not meeting the requirements are required to be placed separately.

[0015] Compared with the prior art, the present application has at least the following advantages:

[0016] The display module binding process of the application, generally, the display screen, glass, cof, polarizing sheet and foam of the product are all general, and the difference is that different projects of customers need to customize different FPC, so the general parts can be mass-produced in the full-automatic line first, and then the binding is carried out according to different projects and different FPC in the semi-automatic line, the production efficiency of trial production is improved, the dependence on the full-automatic line is reduced, and the rhythm of other mass production models is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the application, and should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 It is a full-automatic process schematic diagram of the display module binding process of the application.

[0019] Figure 2 It is a semi-automatic process schematic diagram of the display module binding process of the application. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the application, the application will be described more fully below with reference to the related drawings. The preferred embodiments of the application are shown in the drawings. However, the application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the application more thorough and comprehensive.

[0021] In the description of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation to the present application.

[0022] Unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection or integral; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or it can be the internal communication of two elements or the interaction relationship of two elements.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0024] like Figures 1-2 As shown, a display module bonding process includes the following steps: S1, Preparation stage: Prepare a fully automated production line and clean the glass, and prepare the polarizer, foam, and COF; S2, Fully automated bonding: Bond the glass and polarizer together; S3, COF bonding: Use fully automated equipment to bond the COF to the glass and apply adhesive; S4, Foam bonding: Attach foam or PET to the back of the glass; S5, Customized FPC: Bond the customized FPC to the display screen; S6, Bonding TFOG: Manually bond the TFOG glass together and apply adhesive on a semi-automatic production line; S7, Bonding FOF: Manually bond the FOF to the glass together and apply adhesive on a semi-automatic production line; S8, Electrical testing (QC): Perform QC current testing on the bonded display screen. It should be noted that the order of steps S2 and S3 can be changed depending on the requirements of different processes.

[0025] like Figure 1 As shown in one embodiment, during step S1, the worker needs to prepare a polarizing film and foam of the same size as the glass, and the glass must be cleaned to ensure that there is no dust on either side of the glass, while the cleaning environment must be a dust-free environment.

[0026] like Figure 1 As shown in one embodiment, in step S2, glass, polarizer and foam of the same size need to be put into a fully automated production line for fully automated attachment.

[0027] like Figure 1 As shown in one embodiment, after step S3, fully automated production equipment is required to bond the COF to the glass using high-temperature ACF bonding. The bonding temperature is required to be 200°~250°, the pressure is 30N, and the time is 8S~10S. Then, glue is applied, and the glue application temperature needs to be maintained at 60°, and a certain pressure is required during glue application.

[0028] like Figure 1 As shown in one embodiment, before step S4, it is necessary to check whether the release film attached to the side of the foam with mesh adhesive or PET is intact, and the release film needs to be torn off before attachment, while ensuring that it is attached in a dust-free environment.

[0029] like Figure 2As shown in the figure, in one embodiment, in the S5 step, different FPCs are customized according to different project requirements, the customized FPCs are bound together with the COF through ACF high-temperature pressing, and the FPC and the COF have corresponding metal PIN pins at corresponding positions, the pins are electrically connected to each other, and dispensing is performed.

[0030] As shown in the figure, Figure 2 As shown in the figure, in one embodiment, in the S6 step, manual binding of the TFOG needs to be performed on the semi-automatic production line, the positioning device on the semi-automatic production line is used to ensure accuracy, and dispensing needs to be performed at the corresponding position after the TFOG is bound.

[0031] As shown in the figure, Figure 2 As shown in the figure, in one embodiment, in the S7 step, manual binding of the FOF needs to be performed on the semi-automatic production line, the positioning device on the semi-automatic production line is used to ensure accuracy, and dispensing needs to be performed at the corresponding position after the FOF is bound.

[0032] As shown in the figure, Figure 2 As shown in the figure, in one embodiment, in the S7 step, when the TFOG and the FOF are bound, the temperature control is 60° when the protection glue is dispensed, and a certain pressure is needed when the glue is dispensed, the temperature control needs to be paid attention to when the TFOG and the FOF are bound, the quartz pressure strip needs to be ensured not to be softened and deformed or crystallized due to exceeding the temperature limit in the use process, and the quartz pressure strip can also be protected from being damaged.

[0033] As shown in the figure, Figure 2 As shown in the figure, in one embodiment, in the S8 step, after the display module of the bound assembly is electrically tested, the products meeting the requirements and the products not meeting the requirements need to be distinguished and placed.

[0034] The above embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A display module binding process, characterized in that, Specifically comprising the following steps: S1, preparation stage: preparing the full-automatic production line and cleaning the glass, and preparing the polarizer, foam and COF; S2, full-automatic attachment: attaching the glass and the polarizer together; S3, COF binding: binding the COF and the glass together by the full-automatic device, and dispensing; S4, attaching foam: attaching the foam or PET to the back of the glass; S5, customizing FPC: binding the customized FPC and the display together; S6, binding TFOG: manually binding the TFOG glass together on the semi-automatic production line and dispensing; S7, binding FOF: manually binding the FOF and the glass together on the semi-automatic production line and dispensing; S8, electrical QC: detecting the display module after the binding assembly is completed.

2. The display module binding process of claim 1, wherein, In the S1 step, the staff prepares the polarizer and foam with the same size as the glass, and ensures that the glass is clean without dust on both sides during cleaning, and the cleaning environment is a dust-free environment.

3. The display module binding process of claim 1, wherein, In the S2 step, the glass, polarizer and foam with the same size are put into the full-automatic production line for full-automatic attachment.

4. The display module binding process of claim 1, wherein, After the S3 step, the full-automatic production device binds the COF and the glass together by ACF high-temperature pressing, with a binding temperature of 200°-250°, a pressure of 30N, a time of 8S-10S, and dispensing, and the dispensing temperature is maintained at 60°, and there is a certain pressure during dispensing.

5. The display module binding process of claim 1, wherein, Before the S4 step, detect whether the tear-off film attached to one side of the foam with grid glue or PET is complete, and tear off the tear-off film before attaching, and attach it in a dust-free environment.

6. The display module binding process of claim 1, wherein, In the S5 step, different FPCs are customized according to different projects, the customized FPC is bound together with the COF by ACF high-temperature pressing, and the FPC and COF have corresponding metal PIN pins at corresponding positions, which realize electrical connection through the pins, and dispensing is performed.

7. The display module binding process of claim 1, wherein, In the S6 step, manually binding TFOG is performed on the semi-automatic production line, which is beneficial to the positioning device on the semi-automatic production line to ensure accuracy, and dispensing is performed at the corresponding position after binding TFOG.

8. The display module binding process of claim 1, wherein, In the S7 step, manually binding FOF is performed on the semi-automatic production line, which is beneficial to the positioning device on the semi-automatic production line to ensure accuracy, and dispensing is performed at the corresponding position after binding FOF.

9. The display module binding process of claim 1, wherein, In the S6 and S7 steps, when dispensing protective glue after binding TFOG and FOF, the temperature is controlled at 60°, and there is a certain pressure during dispensing, and the temperature is controlled during binding TFOG and FOF to ensure that the quartz pressure strip does not soften and deform or crystallize due to exceeding the temperature limit during use, and to protect the quartz pressure strip from damage.

10. The display module binding process of claim 1, wherein, In the step S8, after the display module with the binding assembly is detected by electrical QC, the products that meet the requirements and the products that do not meet the requirements are distinguished and placed.

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