CN111128811A - Repairing device for top light-emitting panel and working method thereof - Google Patents
Repairing device for top light-emitting panel and working method thereof Download PDFInfo
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- CN111128811A CN111128811A CN202010048302.1A CN202010048302A CN111128811A CN 111128811 A CN111128811 A CN 111128811A CN 202010048302 A CN202010048302 A CN 202010048302A CN 111128811 A CN111128811 A CN 111128811A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000002950 deficient Effects 0.000 claims abstract description 38
- 230000007306 turnover Effects 0.000 claims abstract description 28
- 230000008439 repair process Effects 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000008859 change Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/68—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment
- H01L21/681—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment using optical controlling means
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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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/302—Details of OLEDs of OLED structures
- H10K2102/3023—Direction of light emission
- H10K2102/3026—Top emission
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
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- Microelectronics & Electronic Packaging (AREA)
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- Electroluminescent Light Sources (AREA)
Abstract
The application discloses prosthetic devices of top luminescent panel and working method thereof, this prosthetic devices includes: the device comprises a supporting platform, a turnover mechanism, a positioning machine and a repairing machine; the turnover mechanism is connected with the supporting platform and used for fixing the top light-emitting panel and turning over the top light-emitting panel, and the top light-emitting panel comprises a display surface and a back surface which are oppositely arranged; the positioning machine is connected with the supporting platform and used for acquiring a first coordinate of a defective pixel in the display surface and converting the first coordinate into a second coordinate in the back surface; and the repairing machine is connected with the supporting platform and used for repairing the defective pixel according to the second coordinate. The repairing device can accurately repair the defective pixels of the top light-emitting panel.
Description
Technical Field
The application relates to the technical field of panel repairing instruments, in particular to a repairing device of a top light-emitting panel and a working method thereof.
Background
At present, the large-size panels produced in mass production in the display market still adopt a bottom light emitting mode. To achieve higher resolution, top emission panels are currently the direction of development for large companies. However, in actual mass production, the repair of defective pixels of the top emission panel has been a problem. The TFT drive is covered in the light-emitting pixel area, so that the TFT and the metal wiring are difficult to cut on the light-emitting surface. However, since the display state of the display surface of the top light-emitting panel is not observed on the TFT side, it is difficult to cut on the TFT side and locate a specific position of a defective pixel of the top light-emitting panel. High requirements are put on the repair and the precision of the top light-emitting panel.
Therefore, the repair problem of the top light-emitting panel seriously affects the yield of the current large-size OLED (organic light emitting diode) mass production, and even determines whether the top light-emitting panel can be mass produced, so that the requirement on a high-precision repair machine capable of realizing the large-size top light-emitting panel is increasingly urgent.
Disclosure of Invention
The invention provides a repairing device of a top light-emitting panel and a working method thereof, which aim to solve the problem that defective pixels of the top light-emitting panel are difficult to repair.
In order to solve the technical problems, the invention adopts a technical scheme that: there is provided a repair device for a top emission panel, the repair device including: the device comprises a supporting platform, a turnover mechanism, a positioning machine and a repairing machine; the turnover mechanism is connected with the supporting platform and used for fixing the top light-emitting panel and turning over the top light-emitting panel, and the top light-emitting panel comprises a display surface and a back surface which are oppositely arranged; the positioning machine is connected with the supporting platform and used for acquiring a first coordinate of a defective pixel in the display surface and converting the first coordinate into a second coordinate in the back surface; and the repairing machine is connected with the supporting platform and used for repairing the defective pixel according to the second coordinate.
In order to solve the technical problem, the invention adopts another technical scheme that: there is provided a method of operating a prosthetic device as described above, the method comprising: placing a top light-emitting panel on the turnover mechanism; the positioning machine acquires a first coordinate of a defective pixel in the display surface and converts the first coordinate into a second coordinate in the back surface; the turnover mechanism turns over the top light-emitting panel; and repairing the defective pixel according to the second coordinate by the repairing machine.
The beneficial effect of this application: the repairing device comprises a supporting platform, a turnover mechanism, a positioning machine and a repairing machine. The turnover mechanism, the positioning machine and the repairing machine are respectively connected with the supporting platform, the turnover mechanism is used for fixing the top light-emitting panel and turning over the top light-emitting panel, the positioning machine is used for positioning defective pixels from the direction of the display surface, and the repairing machine is used for repairing the defective pixels from the direction of the back surface. Specifically, the turnover machine keeps the display surface of the top light-emitting panel facing the positioning machine when the positioning machine searches for the defective pixel, and the turnover machine turns over the top light-emitting panel and keeps the back surface of the top light-emitting panel facing the repairing machine when the repairing machine repairs the defective pixel, and the turning angle may be 180 degrees, although other angles are also possible, such as 90 degrees, 120 degrees, and the like. The positioning machine is used for acquiring a first coordinate of a defective pixel in the display surface from the direction of the display surface and converting the first coordinate into a second coordinate in the back surface. And the repairing machine is connected with the supporting platform and used for repairing the defective pixels from the back direction according to the second coordinate, so that the defective pixels of the top light-emitting panel are accurately repaired.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a prosthetic device provided herein;
fig. 2 is a schematic flowchart of an embodiment of a working method provided in the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a repair apparatus 100 provided in the present application.
The repair device 100 of the application is used for repairing the top light-emitting panel 200, the top light-emitting panel 200 comprises a display surface and a back surface which are oppositely arranged, the display surface is used for displaying characters and image information, therefore, the positions of defective pixels can be directly found out, the back surface is not used for displaying, the back surface is used for laying a circuit, and therefore the positions of the defective pixels cannot be directly found out.
The prosthetic device 100 includes a support platform 10, an inverting mechanism 20, a positioning machine 30, and a prosthetic machine 40. The turnover mechanism 20, the positioning machine 30 and the repairing machine 40 are respectively connected with the supporting platform 10, the turnover mechanism 20 is used for fixing the top light-emitting panel 200 and overturning the top light-emitting panel 200, the positioning machine 30 is used for positioning defective pixels from the display surface direction, and the repairing machine 40 is used for repairing the defective pixels from the back surface direction.
Specifically, the flipping machine keeps the display surface of the top light-emitting panel 200 facing the positioning machine 30 when the positioning machine 30 searches for a defective pixel, and the flipping machine flips the top light-emitting panel 200 and keeps the back surface of the top light-emitting panel 200 facing the repairing machine 40 when the repairing machine 40 repairs a defective pixel, and the flipping angle may be 180 degrees, but other angles are also possible, such as 90 degrees, 120 degrees, and the like. The positioning machine 30 is used for acquiring a first coordinate of a defective pixel in the display surface from the direction of the display surface and converting the first coordinate into a second coordinate in the back surface. A repairing machine 40 is connected to the support platform 10, and the repairing machine 40 is used for repairing the defective pixel from the back direction according to the second coordinate, thereby precisely repairing the defective pixel of the top emission panel 200.
The positioning machine 30 may be a Charge Coupled Device (CCD) camera. The CCD camera has a small size, a light weight, is not affected by a magnetic field, has vibration and impact resistance, and is widely used.
The repairing machine 40 may be a laser lens, and the laser lens may emit laser light to repair the defective pixels. And particularly repairing the problems of bright and dark points, bright and dark lines and the like of the defective pixel.
Optionally, the turnover mechanism 20 includes a rotating platform 21 and a first driving source 23, the rotating platform 21 is provided with a through groove, the through groove is used for placing the top light-emitting panel 200, the through groove is used for ensuring that the display surface and the back surface of the top light-emitting panel 200 can be shown outside no matter how the top light-emitting panel 200 is turned over, the first driving source 23 is rotatably connected with the rotating platform 21, and the first driving source 23 is used for driving the rotating platform 21 to turn over. The first driving source 23 may be a motor.
Alternatively, the edges of the through grooves are provided with steps for setting up the top light emission panel 200, and the edges of the top light emission panel 200 are connected with the steps to preliminarily fix the top light emission panel 200.
Optionally, the turnover mechanism 20 further includes a lifting rod 25 and a second driving source 27, the lifting rod 25 is connected to the rotary platform 21 and the support platform 10, the second driving source 27 is connected to the lifting rod 25, the second driving source 27 is used for driving the lifting rod 25 to lift and lower so as to change the height of the rotary platform 21, and the first driving source 23 is connected to the lifting rod 25 so as to drive the rotary platform 21 to rotate around the lifting rod 25. Specifically, when the top light-emitting panel 200 needs to be flipped, first, the second driving source 27 drives the lifting rod 25 to be lengthened, so that the lifting rod 25 drives the flipping platform to move away from the supporting platform 10, thereby reserving a sufficient space for flipping the flipping platform; then, the first driving source 23 drives the rotating platform 21 to rotate around the lifting rod 25 to turn over the top light-emitting panel 200; finally, the second driving source 27 drives the lifting rod 25 to shorten, so that the lifting rod 25 drives the overturning platform to move towards the supporting platform 10.
The lifting rod 25 is connected to a center line on a side of the rotary platform 21, thereby ensuring that the rotation process of the rotary platform 21 is symmetrical. This has at least two advantages, 1 the area where the rotary platform 21 is connected to the support platform 10 before and after overturning is the same; 2 the rotating platform 21 is symmetrically rotated, so that the difficulty of converting the first coordinate into the second coordinate can be simplified.
The turnover mechanism 20 further includes a plurality of support rods 29, the plurality of support rods 29 are respectively disposed at two opposite sides of the rotating platform 21, and the plurality of support rods 29 are used for being connected with the supporting platform 10, so that the rotating platform 21 and the supporting platform 10 are disposed at an interval. This has at least two advantages, 1 the contact area of the support rod 29 and the support platform 10 is small, so that the levelness of the rotary platform 21 can be adjusted more easily; the 2 supporting rod 29 is used for arranging the rotating platform 21 and the supporting platform 10 at intervals, so that accumulated liquid or dust between the rotating platform 21 and the supporting platform 10 is prevented from influencing the horizontality of the rotating platform 21.
The plurality of support rods 29 are in threaded connection with the support platform 10, and the levelness of the rotary platform 21 can be adjusted after the support rods 29 are rotated, so that the rotary platform is convenient and quick.
The supporting platform 10 is provided with a plurality of positioning holes for inserting the plurality of supporting rods 29. The advantages of this are at least two, 1 the bracing piece 29 is inserted in the locating hole, can play the spacing role to the rotating platform 21; 2 the support rods 29 are fitted with the positioning holes before and after the rotation, so that it can be quickly determined whether the rotary platform 21 is rotated symmetrically, i.e. if the support rods 29 cannot be fitted with the positioning holes after the rotary platform 21 is turned over, it can be determined that the rotary platform 21 is not rotated symmetrically.
The repairing device 100 further comprises a first rod 50, a second rod 60 and a third rod 70 which are perpendicular to each other, the first rod 50 is connected with the supporting platform 10, the second rod 60 is connected with the first rod 50 in a sliding mode, the third rod 70 is connected with the second rod 60 in a sliding mode, the positioning machine 30 and the repairing machine 40 are respectively fixed on the third rod 70, and the third rod 70 is used for driving the positioning machine 30 and the repairing machine 40 to move in the three-dimensional direction. The positioning machine 30 and the repair machine 40 can be moved to either position by the cooperation of the second rod 60 and the third rod 70.
Referring to fig. 1 and fig. 2, fig. 2 is a schematic flowchart of an embodiment of a working method provided in the present application.
The working method of the present application is implemented based on the repair apparatus 100 of any of the above embodiments, and details of the technical solution of the repair apparatus 100 are not repeated herein.
S101: the top light emitting panel 200 is placed on the turnover mechanism 20.
The top light emitting panel 200 includes a display surface and a back surface, and the top light emitting panel 200 is placed on the turnover mechanism 20 with the display surface of the top light emitting panel 200 facing upward.
S102: the positioning machine 30 acquires first coordinates of defective pixels in the display surface and converts them into second coordinates in the back surface.
Before the positioning machine 30 works, a three-dimensional coordinate system with the supporting platform 10 as a reference object can be input, the positioning machine 30 acquires a first coordinate of a defective pixel in the display surface, and then converts the first coordinate into a second coordinate in the back surface, wherein the second coordinate is related to factors such as the thickness of the turnover platform, the rotation center and the like, and understandably, the abscissa, the ordinate and the ordinate of the top light-emitting panel 200 change correspondingly in the turnover process.
The positioning machine 30 may be a Charge Coupled Device (CCD) camera. The CCD camera has a small size, a light weight, is not affected by a magnetic field, has vibration and impact resistance, and is widely used.
S103: the turnover mechanism 20 turns over the top light emission panel 200.
After acquiring the first coordinate and the second coordinate, the turnover mechanism 20 turns over the top light emission panel 200 so that the back surface of the top light emission panel 200 faces upward.
S104: the repair machine 40 repairs the defective pixel according to the second coordinate.
The repair machine 40 repairs the defective pixel according to the second coordinate.
The repairing machine 40 may be a laser lens, and the laser lens may emit laser light to repair the defective pixels. And particularly repairing the problems of bright and dark points, bright and dark lines and the like of the defective pixel.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A repair device for a top emission panel, the repair device comprising:
a support platform;
the turnover mechanism is connected with the supporting platform and used for fixing the top light-emitting panel and turning over the top light-emitting panel, and the top light-emitting panel comprises a display surface and a back surface which are oppositely arranged;
the positioning machine is connected with the supporting platform and used for acquiring a first coordinate of a defective pixel in the display surface and converting the first coordinate into a second coordinate in the back surface;
and the repairing machine is connected with the supporting platform and used for repairing the defective pixel according to the second coordinate.
2. The prosthetic device of claim 1, wherein the flipping mechanism comprises a rotating platform and a first driving source, the rotating platform is provided with a through slot for placing the top light emitting panel, the first driving source is rotatably connected with the rotating platform, and the first driving source is used for driving the rotating platform to flip.
3. Repair set for a lighting device according to claim 2, characterized in that the edges of the through slot are provided with steps for setting up the top light panel.
4. The prosthetic device of claim 2, wherein the turnover mechanism further comprises a lifting rod and a second driving source, the lifting rod is connected to the rotary platform and the support platform, the second driving source is connected to the lifting rod, the second driving source is used for driving the lifting rod to lift to change the height of the rotary platform, and the first driving source is connected to the lifting rod to drive the rotary platform to rotate around the lifting rod.
5. The prosthetic device of claim 4 wherein the lifting rod is connected to a midline on a side of the rotating platform.
6. The prosthetic device of claim 2, wherein the inverting mechanism further comprises a plurality of support rods disposed on opposite sides of the rotating platform, the plurality of support rods being configured to couple to the support platform such that the rotating platform and the support platform are spaced apart.
7. The prosthetic device of claim 6 wherein the plurality of support rods are threadably connected to the support platform.
8. The prosthetic device of claim 6, wherein the support platform defines a plurality of positioning holes for the plurality of support rods to be inserted into.
9. The repairing device according to claim 1, further comprising a first rod, a second rod and a third rod perpendicular to each other, wherein the first rod is connected with the supporting platform, the second rod is slidably connected with the first rod, the third rod is slidably connected with the second rod, the positioning machine and the repairing machine are respectively fixed on the third rod, and the third rod is used for driving the positioning machine and the repairing machine to move in a three-dimensional direction.
10. A method of operating a repair device according to any one of claims 1 to 9, the repair device being used to repair a top light panel including a display surface and a back surface which are disposed opposite to each other, the method comprising:
placing the top light-emitting panel on a turnover mechanism;
the positioning machine obtains a first coordinate of a defective pixel in the display surface and converts the first coordinate into a second coordinate in the back surface;
the turnover mechanism turns over the top light-emitting panel;
and repairing the defective pixel according to the second coordinate by using a repairing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010048302.1A CN111128811A (en) | 2020-01-16 | 2020-01-16 | Repairing device for top light-emitting panel and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010048302.1A CN111128811A (en) | 2020-01-16 | 2020-01-16 | Repairing device for top light-emitting panel and working method thereof |
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| Publication Number | Publication Date |
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| CN111128811A true CN111128811A (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010048302.1A Pending CN111128811A (en) | 2020-01-16 | 2020-01-16 | Repairing device for top light-emitting panel and working method thereof |
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| CN (1) | CN111128811A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111933760A (en) * | 2020-09-28 | 2020-11-13 | 苏州科韵激光科技有限公司 | Miniature LED pixel repairing equipment and miniature LED pixel repairing method |
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| JP2005187178A (en) * | 2003-12-26 | 2005-07-14 | Nec Engineering Ltd | Panel transferring mechanism |
| KR20080091976A (en) * | 2007-04-10 | 2008-10-15 | 엘지디스플레이 주식회사 | Liquid crystal display and repairing method thereof |
| CN102169094A (en) * | 2009-12-22 | 2011-08-31 | 株式会社日立高新技术 | Lighting inspection device of organic EL display substrate and method thereof |
| CN104978916A (en) * | 2014-04-03 | 2015-10-14 | 四川虹视显示技术有限公司 | OLED (Organic Light Emitting Diode) panel display defect restoration method |
| CN104991391A (en) * | 2015-07-30 | 2015-10-21 | 武汉华星光电技术有限公司 | Repair method for display panel |
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2020
- 2020-01-16 CN CN202010048302.1A patent/CN111128811A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005187178A (en) * | 2003-12-26 | 2005-07-14 | Nec Engineering Ltd | Panel transferring mechanism |
| KR20080091976A (en) * | 2007-04-10 | 2008-10-15 | 엘지디스플레이 주식회사 | Liquid crystal display and repairing method thereof |
| CN102169094A (en) * | 2009-12-22 | 2011-08-31 | 株式会社日立高新技术 | Lighting inspection device of organic EL display substrate and method thereof |
| CN104978916A (en) * | 2014-04-03 | 2015-10-14 | 四川虹视显示技术有限公司 | OLED (Organic Light Emitting Diode) panel display defect restoration method |
| CN104991391A (en) * | 2015-07-30 | 2015-10-21 | 武汉华星光电技术有限公司 | Repair method for display panel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111933760A (en) * | 2020-09-28 | 2020-11-13 | 苏州科韵激光科技有限公司 | Miniature LED pixel repairing equipment and miniature LED pixel repairing method |
| CN111933760B (en) * | 2020-09-28 | 2020-12-29 | 苏州科韵激光科技有限公司 | Miniature LED pixel repairing equipment and miniature LED pixel repairing method |
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Application publication date: 20200508 |