CN113299199A - Manufacturing method of flexible AMOLED display module of mobile phone - Google Patents
Manufacturing method of flexible AMOLED display module of mobile phone Download PDFInfo
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- CN113299199A CN113299199A CN202110546607.XA CN202110546607A CN113299199A CN 113299199 A CN113299199 A CN 113299199A CN 202110546607 A CN202110546607 A CN 202110546607A CN 113299199 A CN113299199 A CN 113299199A
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- 229920001621 AMOLED Polymers 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000005452 bending Methods 0.000 claims abstract description 56
- 238000000034 method Methods 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 13
- 238000007689 inspection Methods 0.000 claims abstract description 11
- 239000003292 glue Substances 0.000 claims abstract description 8
- 238000007790 scraping Methods 0.000 claims abstract description 7
- 230000000007 visual effect Effects 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 12
- 238000010030 laminating Methods 0.000 claims description 11
- 210000001503 joint Anatomy 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims 2
- 238000005259 measurement Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 6
- 230000002950 deficient Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/59—Transmissivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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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
- H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
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Abstract
The invention discloses a method for manufacturing a flexible AMOLED display module of a mobile phone, which comprises the following steps: carrying out FOG full test and CG full test; performing OCA attaching operation through an OCA attaching machine, and performing CG and LCM attaching operation; performing visual spot inspection on the attaching effect of CG and LCM; performing CG film covering operation; carrying out FPC positioning bending operation through a bending device; performing pressure maintaining operation by using support glue, and performing film tearing and glue scraping processing; performing burning point attaching processing and appearance stamping operation; and performing QC quality full measurement on the arc FPC panel subjected to COF reverse side blacking processing. According to the manufacturing method provided by the invention, a new positioning and bending operation mode is adopted, so that the FPC board is subjected to one-time bending processing while the FPC module is positioned, the accuracy and consistency of the bending processing of the FPC board can be effectively improved, and the bending processing efficiency is effectively improved.
Description
Technical Field
The invention relates to the technical field of mobile phone accessory production, in particular to a manufacturing method of a mobile phone flexible AMOLED display module.
Background
The flexible AMOLED display module of the mobile phone refers to a flexible display screen of the mobile phone produced by using an AMOLED technology, has the advantages of high response speed and high contrast, has lower power consumption, wider visual angle, higher refresh rate and thinner size compared with a traditional liquid crystal display, and has certain flexibility, so that the flexible AMOLED display module is not easy to damage compared with an LCD screen of a glass substrate.
At present flexible AMOLED display module assembly when the preparation, do not have perfect FOG and CG product accuse to detect, at OCA attached and CG and LCM laminating in-process, it is unreasonable to technological parameter settings such as temperature, time and atmospheric pressure, and the manual inspection project is not comprehensive, when carrying out FPC operation of buckling, generally counterpoint and then bend with the seal line on the chase that is shaded, accuracy and the uniformity that the product buckled can't be guaranteed to this kind of counterpoint mode of buckling.
Therefore, a manufacturing method of the flexible AMOLED display module for the mobile phone needs to be designed to solve the above problems.
Disclosure of Invention
The invention aims to provide a manufacturing method of a flexible AMOLED display module of a mobile phone, which aims to solve the problem of the bending operation mode of an FPC in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a manufacturing method of a flexible AMOLED display module of a mobile phone comprises the following steps:
s1: taking a finished product flexible AMOLED panel to carry out conventional FOG full test and CG full test;
s2: performing OCA attaching operation on the flexible AMOLED panel which accords with the detection conditions of FOG full detection and CG full detection through an OCA attaching machine, and performing CG and LCM attaching operation after the OCA attaching operation is completed;
s3: performing defoaming processing after the attaching operation of the CG and the LCM is finished, and performing visual sampling inspection on the attaching effect of the CG and the LCM;
s4: performing CG film covering operation, attaching the heat dissipation graphene and the FOG layer, and immediately attaching a microphone net;
s5: tearing and sticking FPC positioning adhesive paper and performing FPC positioning bending operation through a bending device;
s6: performing effect test on the FPC panel after positioning and bending, performing support gluing and pressure maintaining operation after the FPC panel completes the effect test, and performing film tearing and glue scraping processing;
s7: coating a finished film protection panel on the panel subjected to film tearing and glue scraping, coating a film, immediately performing burning point attaching processing, performing COF reverse side blacking processing and performing appearance stamping operation;
s8: and performing QC quality full detection on the arc FPC panel subjected to COF reverse side blackening processing, and loading the qualified products into a plastic sucking disc.
Preferably, in the positioning and bending operation in step S5, the FPC to be bent is positioned by the bending device, and then the bending mechanism of the bending device is used to bend the FPC.
Specifically, the bending device comprises a first plate body and a second plate body which are used for fixing the FPC, the first plate body and the second plate body are hinged with each other, and positioning grooves used for positioning the FPC are formed in the first plate body and the second plate body;
a bending mechanism for bending the FPC is arranged at a position, located on the side edge of the positioning groove, on the second plate body, and comprises an ejector rod arranged on the second plate body, the surface, close to the side of the positioning groove, of the top end of the ejector rod is of a first arc-shaped structure, a notch corresponding to the ejector rod is formed in the side edge of the first plate body, and a second arc-shaped structure matched with the first arc-shaped structure is arranged in the notch;
still be provided with lifting mechanism on the second plate body, this lifting mechanism is used for promoting the ejector pin rises for the ejector pin top have first arc structure the arc surface with the notch has the laminating of the arc lateral wall of second arc structure mutually, thereby finally realizes utilizing the cooperation of the arc structure between ejector pin and the notch to carry out the operation of buckling of fixing a position to the FPC board.
Preferably, the lifting mechanism comprises: the adjusting rod is provided with a toothed block on the surface, a gear is arranged between the ejector rod and the adjusting rod, an installation shaft is arranged on the gear, the gear is connected with the second plate body through the installation shaft, the adjusting rod is connected with the gear through the toothed block, a return spring is arranged at the bottom end of the adjusting rod, and the adjusting rod is connected with the second plate body through the return spring; one side of the ejector rod, which is close to the gear, is provided with a butt joint groove, and the ejector rod is in meshed connection with the gear through the butt joint groove; the adjusting rod and the second plate body form a telescopic structure through a return spring, and the adjusting rod is meshed and connected with the gear through a toothed block.
Preferably, the step of positioning and bending operation in step S5 specifically includes:
s51: placing the FPC module to be positioned and bent into a positioning groove on the second plate body;
s52: manually pushing the first plate body to rotate to cover the second plate body, and positioning the FPC module by utilizing the positioning grooves on the first plate body and the second plate body to position the FPC board on the FPC module at the position of the notch on the first plate body;
s53: after the first plate body is rotationally covered on the second plate body, the first plate body is manually pressed downwards until the first plate body downwards extrudes an adjusting rod in a lifting mechanism on the second plate body;
s54: the lifting mechanism pushes the ejector rod to rise, so that the arc surface at the top end of the ejector rod is attached to the inner wall of the notch, and finally, the FPC board is positioned and bent by means of the cooperation of the arc structure between the ejector rod and the notch.
Preferably, the FOG full test and the CG full test in step S1 both include a bending test, a static pressure test, a stress test, a friction test, a light transmittance test, and a weather resistance test, and the CG flatness is required to be less than or equal to 0.15 mm.
Preferably, the working temperature range of the OCA laminator used in step S2 is 40-60 ℃, the single lamination time is 20-30S, and the working air pressure is 0.89 ± 0.1kgf/cm by adopting a heating mode while laminating2。
Compared with the prior art, the invention has the beneficial effects that:
(1) by adopting a new positioning and bending operation mode, the FPC module is positioned and placed and simultaneously the FPC board is bent at one time, so that the accuracy and consistency of bending of the FPC board can be effectively improved, and the bending efficiency can be greatly improved;
(2) the production steps are clear, FOG and CG are strictly controlled, technological parameters such as temperature, time and air pressure are reasonably set in the OCA attaching process and the CG and LCM attaching process, manual inspection items are comprehensive, the quality of the produced flexible AMOLED display module of the mobile phone is greatly improved, and the overall yield is high.
Drawings
FIG. 1 is a schematic view of a work flow structure of the manufacturing method of the present invention;
FIG. 2 is a schematic top view of the bending apparatus according to the embodiment of the present invention;
FIG. 3 is a schematic front sectional view of the bending apparatus according to the embodiment of the present invention;
fig. 4 is a schematic view of a folding structure of the first board and the second board according to the embodiment of the present invention;
FIG. 5 is an enlarged schematic view of the structure at A in FIG. 4 according to an embodiment of the present invention;
fig. 6 is a schematic view of the ejector pin structure in the embodiment of the present invention.
The reference numbers of the various drawings are: 1. a first plate body; 2. a second plate body; 3. a notch; 4. positioning a groove; 5. A top rod; 6. a butt joint groove; 7. a gear; 8. installing a shaft; 9. adjusting a rod; 10. a tooth block; 11. a return spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a method for manufacturing a flexible AMOLED display module of a mobile phone, where the method includes the following steps:
s1: taking a finished product flexible AMOLED panel to carry out conventional FOG full test and CG full test;
s2: performing OCA attaching operation on the flexible AMOLED panel which accords with the detection conditions of FOG full detection and CG full detection through an OCA attaching machine, and performing CG and LCM attaching operation after the OCA attaching operation is completed;
s3: performing defoaming processing after the attaching operation of the CG and the LCM is finished, and performing visual sampling inspection on the attaching effect of the CG and the LCM;
s4: performing CG film covering operation, attaching the heat dissipation graphene and the FOG layer, and immediately attaching a microphone net;
s5: tearing and sticking FPC positioning adhesive paper and performing FPC positioning bending operation through a bending device;
s6: performing effect test on the FPC panel after positioning and bending, performing support gluing and pressure maintaining operation after the FPC panel completes the effect test, and performing film tearing and glue scraping processing;
s7: coating a finished film protection panel on the panel subjected to film tearing and glue scraping, coating a film, immediately performing burning point attaching processing, performing COF reverse side blacking processing and performing appearance stamping operation;
s8: and performing QC quality full detection on the arc FPC panel subjected to COF reverse side blackening processing, and loading the qualified products into a plastic sucking disc.
In step S5, in order to effectively improve the accuracy and consistency of the bending process performed on the FPC board and greatly improve the efficiency of the bending process, the positioning and bending operation is performed by positioning the FPC to be bent by the bending device and then bending the FPC by the bending mechanism of the bending device.
In a specific embodiment, as shown in fig. 2 to 6, the bending device includes a first plate 1 and a second plate 2 for fixing the FPC, the first plate 1 and the second plate 2 are hinged to each other, and positioning grooves 4 for positioning the FPC are disposed on the first plate 1 and the second plate 2;
a bending mechanism for bending the FPC is arranged at a position, located on the side edge of the positioning groove 4, of the second plate body 2, and comprises an ejector rod 5 arranged on the second plate body 2, the surface, close to the side edge of the positioning groove 4, of the top end of the ejector rod 5 is of a first arc-shaped structure, a notch 3 corresponding to the ejector rod 5 is formed in the side edge of the first plate body 1, and the notch 3 is provided with a second arc-shaped structure matched with the first arc-shaped structure;
still be provided with lifting mechanism on the second plate body 2, this lifting mechanism is used for promoting 5 rises of ejector pin for 5 tops of ejector pin have first arc structure the arc surface with notch 3 has the laminating of the arc lateral wall of second arc structure mutually, thereby finally realizes utilizing the cooperation of the arc structure between ejector pin 5 and the notch 3 to carry out the operation of buckling of fixing a position to the FPC board.
In a preferred embodiment, the lifting mechanism comprises: the adjusting device comprises an adjusting rod 9 with a toothed block 10 arranged on the surface, a gear 7 arranged between an ejector rod 5 and the adjusting rod 9, a mounting shaft 8 arranged on the gear 7, the gear 7 and the second plate body 2 are connected with each other through the mounting shaft 8, the adjusting rod 9 and the gear 7 are connected with each other through the toothed block 10, a return spring 11 is arranged at the bottom end of the adjusting rod 9, and the adjusting rod 9 and the second plate body 2 are connected with each other through the return spring 11; one side of the ejector rod 5, which is close to the gear 7, is provided with a butt joint groove 6, and the ejector rod 5 is in meshed connection with the gear 7 through the butt joint groove 6; the adjusting rod 9 and the second plate body 2 form a telescopic structure through a return spring 11, and the adjusting rod 9 is meshed and connected with the gear 7 through a toothed block 10.
In this embodiment, the notch 33 corresponds to the top rod 55, and the surface of the top end of the top rod 55, which is located on one side of the star positioning groove 4, is of a first arc structure, so that the subsequent FPC board can be conveniently bent in an oriented manner along the arc-shaped side wall of the notch 33, as shown in fig. 5.
The abutting groove 66 is formed in one side, close to the gear 7, of the ejector rod 55, the ejector rod 55 is in meshed connection with the gear 77 through the abutting groove 66, when the gear 77 moves, the gear 77 can push the ejector rod 55 to move synchronously through the abutting groove 66, the adjusting rod 99 and the second plate body 22 form a telescopic structure through the return spring 1111, the adjusting rod 99 is in meshed connection with the gear 77 through the toothed block 1010, when the adjusting rod 99 moves telescopically on the second plate body 22 through the return spring 1111, the adjusting rod 99 can push the gear 77 to move rotationally through the toothed block 1010, and therefore the ejector rod 5 can move up and down. If first plate body 1 is pressed down manually, when first plate body 1 extrudeed regulating lever 9 downwards, can make gear 7 rotatory and drive ejector pin 5 upward movement to the cooperation of the arc structure between usable 5 tops of ejector pin and the notch 3 carries out the location bending operation to the FPC board.
The step of the positioning and bending operation in step S5 is specifically described in further detail below, and the specific step of the positioning and bending operation includes:
s51: placing the FPC module to be positioned and bent into the positioning groove 4 on the second plate body 2;
s52: manually pushing the first plate body 1 to rotate and cover the second plate body 2, and positioning the FPC module by utilizing the positioning grooves 4 on the first plate body 1 and the second plate body 2 to enable the FPC on the FPC module to be positioned at the notch 3 on the first plate body 1;
s53: after the first plate body 1 is rotationally covered on the second plate body 2, the first plate body 1 is manually pressed downwards until the first plate body 1 downwards extrudes an adjusting rod 9 in a lifting mechanism on the second plate body 2;
s54: the lifting mechanism pushes the ejector rod 5 to ascend, so that the arc-shaped surface at the top end of the ejector rod 5 is attached to the inner wall of the notch 3, and finally, the FPC board is positioned and bent by utilizing the cooperation of the arc-shaped structure between the ejector rod 5 and the notch 3.
So, through foretell location operation mode of buckling for the FPC module carries out FPC board disposable bending work when fixing a position and placing, thereby can effectively promote FPC board and carry out the accuracy and the uniformity of bending work, and can promote the machining efficiency of buckling greatly.
In one preferred embodiment, the FOG full test and the CG full test in step S1 both include a bending test, a static pressure test, a stress test, a friction test, a light transmittance test and a weather resistance test, and the CG flatness is required to be less than or equal to 0.15 mm. Through the tests, the product quality of the flexible AMOLED display module of the mobile phone can be guaranteed, and the product control effect is improved.
In addition, the OCA laminator used in step S2 has an operating temperature range of 40-60 deg.C, a single lamination time of 20-30S, a heating mode while laminating, and an operating air pressure of 0.89 + -0.1 kgf/cm2To promote laminating stability and laminating efficiency of OCA operation.
In order to ensure the attaching effect, in this embodiment, the specific requirements of the visual spot inspection of the attaching effect in step S3 are as follows:
a: the illumination environment is 1500Lux +/-500 Lux, and three wavelengths are required;
b: the checking method comprises the following steps: visual inspection personnel are about 30cm away from the product, two sides of the product are inspected from the direction of 45 degrees, the inspection time of a single side is required to be more than or equal to 5s, and the eyesight of the inspection personnel is required to be more than 1.0;
c: the defective point found in the inspection was determined after measuring the defective point near the standard using a 10-fold magnifying glass.
In the embodiment of the invention, FOG and CG are strictly controlled in the manufacturing process of the flexible AMOLED display module of the mobile phone, technological parameters such as temperature, time, air pressure and the like are reasonably set in the OCA attaching process and the CG and LCM attaching process, and manual inspection items are comprehensive, so that the quality of the produced flexible AMOLED display module of the mobile phone is greatly improved, and the overall yield is high.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A manufacturing method of a flexible AMOLED display module of a mobile phone is characterized by comprising the following steps: the manufacturing method comprises the following steps:
s1: taking a finished product flexible AMOLED panel to carry out conventional FOG full test and CG full test;
s2: performing OCA attaching operation on the flexible AMOLED panel which accords with the detection conditions of FOG full detection and CG full detection through an OCA attaching machine, and performing CG and LCM attaching operation after the OCA attaching operation is completed;
s3: performing defoaming processing after the attaching operation of the CG and the LCM is finished, and performing visual sampling inspection on the attaching effect of the CG and the LCM;
s4: performing CG film covering operation, attaching the heat dissipation graphene and the FOG layer, and immediately attaching a microphone net;
s5: tearing and sticking FPC positioning adhesive paper and performing FPC positioning bending operation through a bending device;
s6: performing effect test on the FPC panel after positioning and bending, performing support gluing and pressure maintaining operation after the FPC panel completes the effect test, and performing film tearing and glue scraping processing;
s7: coating a finished film protection panel on the panel subjected to film tearing and glue scraping, coating a film, immediately performing burning point attaching processing, performing COF reverse side blacking processing and performing appearance stamping operation;
s8: and performing QC quality full detection on the arc FPC panel subjected to COF reverse side blackening processing, and loading the qualified products into a plastic sucking disc.
2. The method for manufacturing the flexible AMOLED display module of the mobile phone according to claim 1, wherein: in the positioning and bending operation in step S5, the FPC to be bent is positioned by the bending device, and then the bending mechanism of the bending device is used to bend the FPC.
3. The method for manufacturing the flexible AMOLED display module of the mobile phone according to claim 2, wherein: the bending device comprises a first plate body (1) and a second plate body (2) which are used for fixing the FPC, the first plate body (1) and the second plate body (2) are hinged with each other, and positioning grooves (4) which are used for positioning the FPC are formed in the first plate body (1) and the second plate body (2);
a bending mechanism for bending the FPC is arranged at a position, located on the side edge of the positioning groove (4), of the second plate body (2), the bending mechanism comprises an ejector rod (5) arranged on the second plate body (2), the surface, close to one side of the positioning groove, of the top end of the ejector rod is of a first arc-shaped structure, a notch (3) corresponding to the ejector rod (5) is formed in the side edge of the first plate body (1), and the notch (3) is provided with a second arc-shaped structure matched with the first arc-shaped structure;
still be provided with lifting mechanism on the second plate body (2), this lifting mechanism is used for promoting ejector pin (5) rise for ejector pin (5) top have first arc structure the arc surface with notch (3) have the laminating of the arc lateral wall of second arc structure mutually, thereby finally realize utilizing the cooperation of the arc structure between ejector pin (5) and notch (3) to carry out the operation of buckling of fixing a position to the FPC board.
4. The method of claim 3, wherein the lifting mechanism comprises:
the surface is provided with regulation pole (9) of tooth piece (10), sets up gear (7) between ejector pin (5) and regulation pole (9), is provided with installation axle (8) on gear (7) to gear (7) are through installing axle (8) and second plate body (2) interconnect, and adjust pole (9) and pass through tooth piece (10) and gear (7) interconnect, the bottom of adjusting pole (9) is provided with reset spring (11), and adjusts pole (9) and pass through reset spring (11) and second plate body (2) interconnect.
5. The manufacturing method of the flexible AMOLED display module of the mobile phone according to claim 4, wherein: one side of the ejector rod (5) close to the gear is provided with a butt joint groove (6), and the ejector rod (5) is meshed and connected with the gear (7) through the butt joint groove (6).
6. The manufacturing method of the flexible AMOLED display module of the mobile phone according to claim 5, wherein: the adjusting rod (9) and the second plate body (2) form a telescopic structure through a return spring (11), and the adjusting rod (9) is meshed and connected with the gear (7) through a toothed block (10).
7. The manufacturing method of the flexible AMOLED display module of the mobile phone according to claim 4, wherein: the step of positioning and bending operation in step S5 specifically includes:
s51: placing the FPC module to be positioned and bent into a positioning groove (4) on the second plate body (2);
s52: manually pushing the first plate body (1) to rotate to cover the second plate body (2), and positioning the FPC module by utilizing the positioning grooves (4) on the first plate body (1) and the second plate body (2) to close up, so that an FPC board on the FPC module is positioned at the position of the notch (3) on the first plate body (1);
s53: after the first plate body (1) is rotationally covered on the second plate body (2), the first plate body (1) is manually pressed downwards until the first plate body (1) downwards extrudes an adjusting rod (9) in a lifting mechanism on the second plate body (2);
s54: the lifting mechanism pushes the ejector rod (5) to ascend, so that the arc surface at the top end of the ejector rod (5) is attached to the inner wall of the notch (3), and finally, the FPC board is positioned and bent by utilizing the cooperation of the arc structure between the ejector rod (5) and the notch (3).
8. The method for manufacturing the flexible AMOLED display module of the mobile phone according to claim 1, wherein: the FOG full test and the CG full test in the step S1 respectively comprise a bending test, a static pressure test, a stress test, a friction test, a light transmittance test and a weather resistance test, and the CG flatness is required to be less than or equal to 0.15 mm.
9. The method for manufacturing the flexible AMOLED display module of the mobile phone according to claim 1, wherein: the working temperature range of the OCA laminating machine used in the step S2 is 40-60 ℃, the single laminating time is 20-30S, a mode of laminating and heating is adopted, and the working air pressure is 0.89 +/-0.1 kgf/cm2。
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