CN112091447A

CN112091447A - Multifunctional full-automatic panel repair equipment

Info

Publication number: CN112091447A
Application number: CN202010927562.6A
Authority: CN
Inventors: 李军辉; 刘世文
Original assignee: Shenzhen Senmei Xieer Technology Co ltd
Current assignee: Shenzhen Senmei Xieer Technology Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2020-12-18

Abstract

The invention relates to the technical field of laser processing, in particular to a multifunctional full-automatic panel repairing device which comprises a machine body, wherein a feeding window, an operation panel and an electric cabinet are arranged on the machine body, and an automatic feeding conveying mechanism, a tray disc positioning mechanism, a gantry material taking mechanical arm, a fine positioning material taking module, a visual pre-alignment platform, a laser assembly, a glass carrying platform, a carrying platform translation platform, an automatic lighting mechanism and a marble anti-vibration platform are arranged in the machine body. The repairing device mainly researches the OLED defect repairing equipment based on the femtosecond laser technology, cuts the OLED panel by utilizing laser, fuses, repairs bright spots by CVD and other effects, repairs the circuit by normal work, repairs most defects in actual production by the technology, and greatly improves the yield of products.

Description

Multifunctional full-automatic panel repair equipment

Technical Field

The invention relates to the technical field of laser processing, in particular to multifunctional full-automatic panel repairing equipment.

Background

The OLED, i.e. the organic light emitting diode, is also called as organic electroluminescent display, and is considered as a display technology having the most potential to comprehensively replace the TFT-LCD due to its characteristics of flexibility, high contrast, high response rate, high color saturation, light weight, thinness, energy saving, etc.

Compared with the previous generation of LCD display technology, the OLED display device has no liquid crystal process, upper and lower plate alignment process, BLU alignment process and Color filter, and needs to evaporate organic substances to manufacture pixels. The process is relatively simple, but the OLED process is much more integrated and complex than LCDs.

The OLED is a brand new display technology that is replacing the LCD liquid crystal display technology, the latest flagship product iphoneX of apple fully adopts the OLED display screen provided by samsung in korea, which has the OLED panel production line with the highest technical level in the world and the production process technology of the first crop in the world, and the OLED screen occupies 90% of the market for a long time and is in a high monopoly status. The key to mass production is that samsung can ensure the yield. With the rapid development of the OLED industry in recent years, new technologies and processes are continuously developed, and how to continuously improve the yield of the OLED products under the requirements of high quality and low cost is a focus of attention in the entire panel industry and a key factor for panel manufacturers to realize mass production.

Can a repair method be used to improve or repair the defects of the products produced during the production process or to repair the products into good products? The OLED laser repair is produced as a key process technology, can realize open circuit, short circuit repair and bright spot of an OLED internal circuit, can greatly improve the yield of products by about 15-30%, and is commonly applied to an OLED production line. In the field of OLED laser repair, repair technologies of Charm engineering corporation and japanese V-tech in korea are leading in the industry, and account for over 70% of market share. In recent years, the OLED industry in China also shows the well-spraying development. Well-known panel enterprises such as Jingdong, Tianma, Huaxing, Shuaihui, Guzhi, Shuiyu, Xinli and the like successively build oled production lines with different sizes, and the market scale of domestic laser repair reaches more than 20 hundred million RMB every year. Compared with the vigorous development of an OLED panel production line, the development speed of OLED laser repair equipment is far lower than that of the Korean countries.

At present, no company has perfect full-automatic femtosecond OLED laser repair equipment at home. The implementation of the project has great significance, the blank of full-automatic laser repair in China is filled, the development of the project makes great contribution to the microelectronic industry, and the mass production and yield improvement of the OLED are accelerated.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a multifunctional full-automatic panel repairing device, which enables the panel to be repaired more intelligently, improves the repairing efficiency and ensures the repairing quality, mainly researches the repairing device of the OLED defects based on the femtosecond laser technology, utilizes the laser to carry out cutting, fusion, CVD and other actions on the OLED panel, repairs bright spots, and carries out normal work repairing on a circuit, most of the defects in the actual production can be repaired through the technology, thereby greatly improving the yield of products, in addition, the repairing device can simultaneously carry out the repairing of the upper surface and the lower surface, does not need to turn over to repair the other surface after repairing one surface, and greatly improving the working efficiency of the repairing of the whole panel.

In order to achieve the purpose, the technical scheme applied by the invention is as follows:

a multifunctional full-automatic panel repairing device comprises a machine body, wherein a feeding window for feeding a panel, a control panel for controlling the machine body to run, an electric control box for providing power supply support and circuit support, and a heat dissipation device for removing heat in the machine body are arranged on the machine body, an automatic feeding conveying mechanism for feeding the panel, a tray disc positioning mechanism which is arranged corresponding to the automatic feeding conveying mechanism and used for positioning the panel, a gantry material taking mechanical arm used for grabbing the panel positioned on the tray disc positioning mechanism, a visual pre-alignment platform which is arranged corresponding to the gantry material taking mechanical arm and used for aligning the panel, a fine positioning material taking module used for taking the panel on the visual pre-alignment platform, and a glass carrying platform which is arranged corresponding to the fine positioning material taking module and used for carrying the panel are arranged in the machine body, the automatic lighting mechanism is used for automatically lighting the panel on the glass carrying platform, the laser assembly is used for repairing the upper surface and the lower surface of the lighted panel, the carrying platform translation platform is used for discharging the panel, and the marble vibration-proof platform is used for preventing the vibration of the machine body in the working process.

According to the scheme, the automatic feeding conveying mechanism is arranged at the position of the feeding window and comprises an operating platform, a lifting screw rod assembly and a belt conveying mechanism, the operating platform is driven by the belt conveying mechanism to transmit a panel on the operating platform to the lifting screw rod assembly, and the lifting screw rod assembly lifts the panel to the tray disc positioning mechanism.

According to the scheme, the two sides of the operating platform and the belt conveying mechanism are respectively provided with the guide baffle plates for preventing the panel from sliding out.

According to the scheme, the tray disc positioning mechanism is arranged corresponding to the lifting screw rod assembly, and comprises a tray disc in-place correlation inductor for inducing the panel to be in place and a vacuum suction hole for fixing and adsorbing the panel.

According to the scheme, the vacuum positioning column for positioning the panel is correspondingly arranged in the vacuum suction positioning hole.

According to the scheme, the gantry material taking manipulator is arranged corresponding to the tray disc positioning mechanism and comprises a guide rail, a movable shaft, a vacuum chuck and a driving device, the movable shaft is slidably arranged on the guide rail, the vacuum chuck used for sucking the panel on the tray disc positioning mechanism is arranged on the movable shaft, and the vacuum chuck is driven by the driving device to move up and down.

According to the scheme, the vision pre-alignment platform is arranged corresponding to the gantry material taking manipulator, and a vision alignment CCD is arranged above the vision pre-alignment platform.

According to above-mentioned scheme, the material module is got in smart location corresponds the setting with the vision platform of counterpointing in advance, and the material module is got in smart location is including locating vision platform top of counterpointing in advance and slidable feeding agencies.

According to the scheme, the glass carrying platform and the fine positioning material taking module are correspondingly arranged.

According to the scheme, the glass carrying platform comprises transparent thin glass for bearing the panel, and the laser assembly comprises an upper laser and a lower laser, wherein the upper laser is arranged above the transparent thin glass and used for repairing the upper surface of the panel, and the lower laser is arranged below the transparent thin glass and used for repairing the lower surface of the panel.

The invention has the beneficial effects that:

1) after design, processing, assembly and debugging, the panel repairing equipment simplifies the process flow of the panel of which the upper and lower surfaces are required to be repaired by laser to the maximum extent, can repair the upper and lower surfaces simultaneously, does not need to turn over to repair the other surface after repairing one surface, and greatly improves the working efficiency of repairing the whole panel;

2) cutting: the redundant part of the processing circuit is cut off by using a laser assembly precision laser optical system so as to repair the short circuit of the circuit and improve the yield of the processing;

3) chemical vapor deposition CVD, which is to directionally deposit materials such as W, Cr, Mo and the like by utilizing the laser assembly laser chemical vapor deposition principle so as to repair open circuits of lines and improve the process yield;

4) the method is used for repairing line open circuit and short circuit of back panel of OLED panel, spot defect (bright spot, dark spot), line defect, abnormal picture display and the like of cell and module, wherein the defects can be repaired by laser of laser assembly to make the spot dark, the line defect disappear and the picture display is normal.

Drawings

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is an internal structural view of the present invention;

FIG. 3 is another perspective view of the internal structure of the present invention;

FIG. 4 is a block diagram of the automatic feed conveyor mechanism of the present invention;

FIG. 5 is a structural view of a tray positioning mechanism of the present invention;

FIG. 6 is an enlarged view of the location A in FIG. 5;

FIG. 7 is a block diagram of a gantry material-taking manipulator according to the present invention;

FIG. 8 is an assembly view of the fine positioning pick-up module and the vision pre-alignment platform of the present invention;

FIG. 9 is an assembly drawing of a laser assembly and glass stage according to the present invention.

1. A feeding window; 2. a control panel; 3. an automatic feeding conveyor mechanism; 31. an operation table; 32. a guide baffle plate; 33. a lifting screw rod assembly; 34. a belt transport mechanism; a tray disc positioning mechanism; tray in-position correlation inductor; 42. a vacuum suction hole; 43. a vacuum positioning column; 5. a gantry material taking manipulator; 51. a guide rail; 52. a movable shaft; 53. a vacuum chuck; 54. a drive device; 6. a fine positioning material taking module; 61. visual alignment of the CCD; 7. a vision pre-alignment platform; 8. an electric cabinet; 9. a laser assembly; 91. an upper laser; 92. a lower laser; 10. a glass carrier; 11. a stage translation stage; 12. an automatic lighting mechanism; 13. a marble anti-vibration platform; 20. a panel.

Detailed Description

The technical solution of the present invention is described below with reference to the accompanying drawings and examples.

As shown in fig. 1 to 9, the multifunctional full-automatic panel repairing apparatus according to the present invention comprises a machine body, wherein a loading window 1 for loading a panel 20, a control panel 2 for controlling the operation of the machine body, an electric control box 8 for providing power supply support and circuit support, and a heat dissipation device for removing heat in the machine body are arranged on the machine body, an automatic loading and conveying mechanism 3 for loading the panel 20, a tray positioning mechanism 4 arranged corresponding to the automatic loading and conveying mechanism 3 and positioning the panel 20, a gantry material taking manipulator 5 for taking the panel 20 positioned on the tray positioning mechanism 4, a visual pre-alignment platform 7 arranged corresponding to the gantry material taking manipulator 5 and aligning the manipulator panel 20, and a fine positioning material taking module 6 for taking the panel 20 on the visual pre-alignment platform 7, the glass carrying table 10 is arranged corresponding to the fine positioning material taking module 6 and is used for carrying the panel 20, the automatic lighting mechanism 12 is used for automatically lighting the panel 20 on the glass carrying table 10, the laser assembly 9 is used for repairing the upper surface and the lower surface of the lighted panel 20, the carrying table translation table 11 is used for blanking the panel 20, and the marble anti-vibration platform 13 is used for preventing the machine body from vibrating in the working process. The above constitutes the basic structure of the present invention.

In this embodiment, the automatic feeding conveying mechanism 3 is disposed at the position of the feeding window 1, the automatic feeding conveying mechanism 3 includes an operation platform 31, a lifting screw assembly 33 and a belt transmission mechanism 34, the operation platform 31 drives the panel 20 on the operation platform 31 to be transmitted to the lifting screw assembly 33 through the belt transmission mechanism 34, and the lifting screw assembly 33 lifts the panel 20 to the tray positioning mechanism 4. With this arrangement, the panel 20 is placed on the operation table 31, the panel 20 is transferred to the lift screw assembly 33 by the belt transfer mechanism 34, and then lifted by the lift screw assembly 33 and transferred to the tray positioning mechanism 4.

In this embodiment, the operation table 31 and the belt conveying mechanism 34 are respectively provided with guide fences 32 on both sides thereof for preventing the panel 20 from slipping out. With the structure, the guide baffle 32 plays a role in preventing the panel 20 from sliding out during the operation of the belt conveying mechanism 34, and plays a role in guiding and protecting.

In the present embodiment, the tray positioning mechanism 4 is disposed corresponding to the lift screw assembly 33, and the tray positioning mechanism 4 includes a tray in-position correlation sensor 41 for sensing the in-position of the panel 20, and a vacuum suction hole 42 for fixedly sucking the panel 20. With the structure, the in-place opposite-emitting inductor 41 senses whether the panel 20 is in place through the tray, and the panel 20 is adsorbed through the vacuum adsorption hole 42.

In the present embodiment, a vacuum positioning column 43 for positioning the panel 20 is correspondingly disposed in the vacuum positioning hole 42. With the adoption of the structure, the vacuum positioning column 43 is used for limiting the adsorbed panel 20 to be repaired.

In this embodiment, the gantry material taking manipulator 5 is provided corresponding to the tray positioning mechanism 4, the gantry material taking manipulator 5 includes a guide rail 51, a movable shaft 52, a vacuum chuck 53 and a driving device 54, the movable shaft 52 is slidably provided on the guide rail 51, the movable shaft 52 is provided with the vacuum chuck 53 for sucking the panel 20 on the tray positioning mechanism 4, and the vacuum chuck 53 is driven to move up and down by the driving device 54. With this arrangement, the movable shaft 52 slides on the guide rail 51, so that the position of the movable shaft 52 can be adjusted to align the panel 20 on the tray positioning mechanism 4, and then the driving device 54 drives the vacuum chuck 53 to suck the panel 20.

In this embodiment, the vision pre-alignment platform 7 is disposed corresponding to the gantry material taking manipulator 5, and a vision alignment CCD71 is disposed above the vision pre-alignment platform 7. With the adoption of the structure, the panel 20 on the tray disc positioning mechanism 4 is conveyed to the visual pre-alignment platform 7 through the gantry material taking manipulator 5, and is aligned through the visual alignment CCD 71.

In this embodiment, smart location is got material module 6 and vision and is expected platform 7 to correspond the setting in advance, and smart location is got material module 6 and is expected platform 7 top and slidable feeding agencies 61 in advance including locating the vision. With the adoption of the structure, the panel 20 on the visual pre-alignment platform 7 is grabbed through the material taking mechanism 61.

In this embodiment, the glass carrier 10 is disposed corresponding to the fine positioning material taking module 6. Adopt such structure setting, get material module 6 through the smart location and accurately snatch panel 20 on the vision is counterpointed platform 7 in advance to convey on the glass microscope carrier 10.

In this embodiment, the glass stage 10 includes a transparent thin glass for carrying the panel 20, and the laser assembly 9 includes an upper laser 91 disposed above the transparent thin glass for repairing the upper surface of the panel 20 and a lower laser 92 disposed below the transparent thin glass for repairing the lower surface of the panel 20. With the adoption of the structure, the upper laser 91 and the lower laser 92 are used for repairing the upper surface and the lower surface of the panel 20 carried on the transparent thin glass.

It should be noted that, it utilizes the laser assembly 9 precision laser optical system to cut the redundant part of the process line, to repair the line short circuit, to improve the process yield, utilizes the laser assembly 9 laser chemical meteorology deposition principle, directional deposition of materials such as W, Cr, Mo, etc., to repair the line open circuit, to improve the process yield, to repair the line open circuit and short circuit of the back panel of the OLED panel, the point defect (bright point, dark point), line defect, abnormal picture display, etc. of the cell and module, these defects can be repaired by the laser assembly 9 laser to make it dark point, line defect disappear, normal picture display, after design, processing, assembly and debugging, the panel repair device furthest simplifies the process flow of the panel whose upper and lower surfaces need to be repaired by laser, it can repair the upper and lower surfaces at the same time, it does not need to repair one surface and then turn over to repair the other surface, the working efficiency of the whole panel repair is greatly improved.

The automatic feeding device adopts the structural arrangement, and the working principle of the automatic feeding device is that the control panel 2 controls the automatic feeding conveying mechanism 3 to enable the panel 20 to enter the machine from the feeding window 1 and transmit the panel to the tray disc positioning mechanism 4 for positioning, the control panel 2 controls the gantry material taking manipulator 5 to grab the panel 20 on the tray disc positioning mechanism 4 and transmit the panel to the visual pre-alignment platform 7 for alignment, the control panel 2 controls the fine positioning material taking module 6 to grab the panel 20 on the visual pre-alignment platform 7 and transmit the panel to the glass carrying platform 10 for carrying, the control panel 2 controls the automatic lighting mechanism 12 to light the panel 20, the lighted panel 20 is repaired under the action of the laser assembly 9, and the repaired panel 20 is driven by the carrying platform translation platform 11 under the control panel 2 to complete the blanking work.

While the embodiments of the present invention have been described, the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make various modifications without departing from the spirit and scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a multi-functional full-automatic panel repair equipment, includes the organism, its characterized in that: the machine body is provided with a feeding window (1) for feeding a panel (20), a control panel (2) for controlling the machine body to operate, an electric cabinet (8) for providing power supply support and circuit support, and a heat dissipation device for removing heat in the machine body, the machine body is internally provided with an automatic feeding and conveying mechanism (3) for feeding the panel (20), a tray disc positioning mechanism (4) which is arranged corresponding to the automatic feeding and conveying mechanism (3) and is used for positioning the panel (20), a gantry material taking manipulator (5) for grabbing the panel (20) positioned on the tray disc positioning mechanism (4), a visual pre-alignment platform (7) which is arranged corresponding to the gantry material taking manipulator (5) and is used for aligning the panel (20), and a fine positioning material taking module (6) for taking the panel (20) on the visual pre-alignment platform (7), the automatic material taking device comprises a glass carrying table (10), an automatic lighting mechanism (12), a laser assembly (9), a carrying table translation table (11) and a marble anti-vibration platform (13), wherein the glass carrying table (10) corresponds to the precise positioning material taking module (6) and bears a panel (20), the automatic lighting mechanism (12) is used for automatically lighting the panel (20) on the glass carrying table (10), the laser assembly (9) is used for repairing the upper surface and the lower surface of the lighted panel (20), the carrying table translation table (11) is used for blanking the panel (20), and the marble anti-vibration platform (13) is used for preventing the machine body from vibrating.

2. The multifunctional full-automatic panel repair device according to claim 1, characterized in that: automatic material loading conveyor constructs (3) and locates material loading window (1) position department, automatic material loading conveyor constructs (3) including operation panel (31), hoisting screw subassembly (33) and belt transport mechanism (34), panel (20) on operation panel (31) are transmitted to hoisting screw subassembly (33) through belt transport mechanism (34) drive in operation panel (31) on operation panel (31), hoisting screw subassembly (33) promote panel (20) to tray dish positioning mechanism (4).

3. The multifunctional full-automatic panel repair device according to claim 2, characterized in that: and guide baffles (32) for preventing the panel (20) from sliding out are respectively arranged on the two sides of the operating platform (31) and the belt conveying mechanism (34).

4. The multifunctional full-automatic panel repair device according to claim 2, characterized in that: the tray disc positioning mechanism (4) is correspondingly arranged with the lifting screw rod assembly (33), and the tray disc positioning mechanism (4) comprises a tray disc in-place correlation inductor (41) for inducing the panel (20) to be in place and a vacuum suction hole (42) for fixedly adsorbing the panel (20).

5. The multifunctional full-automatic panel repair device according to claim 4, characterized in that: and a vacuum positioning column (43) for positioning the panel (20) is correspondingly arranged in the vacuum suction hole (42).

6. The multifunctional full-automatic panel repair device according to claim 1, characterized in that: the gantry material taking manipulator (5) is arranged corresponding to the tray disc positioning mechanism (4), the gantry material taking manipulator (5) comprises a guide rail (51), a movable shaft (52), a vacuum chuck (53) and a driving device (54), the movable shaft (52) is slidably arranged on the guide rail (51), the vacuum chuck (53) used for sucking a panel (20) on the tray disc positioning mechanism (4) is arranged on the movable shaft (52), and the vacuum chuck (53) is driven by the driving device (54) to move up and down.

7. The multifunctional full-automatic panel repair device according to claim 1, characterized in that: the vision pre-alignment platform (7) is arranged corresponding to the gantry material taking manipulator (5), and a vision alignment CCD (71) is arranged above the vision pre-alignment platform (7).

8. The multifunctional full-automatic panel repair device according to claim 1, characterized in that: get material module (6) and vision and correspond the setting with counterpoint platform (7) in advance in smart location, smart location is got material module (6) and is counterpointed platform (7) top and slidable feeding agencies (61) in advance including locating the vision.

9. The multifunctional full-automatic panel repair device according to claim 1, characterized in that: the glass carrying platform (10) is arranged corresponding to the precise positioning material taking module (6).

10. The multifunctional full-automatic panel repair device according to claim 1, characterized in that: the glass carrying platform (10) comprises transparent thin glass for carrying the panel (20), and the laser assembly (9) comprises an upper laser (91) arranged above the transparent thin glass and used for repairing the upper surface of the panel (20) and a lower laser (92) arranged below the transparent thin glass and used for repairing the lower surface of the panel (20).