TWI400513B - Laser repair apparatus for a panel - Google Patents

Description

Panel laser repairing machine and panel inspection method

The invention relates to the technical field of a panel laser repairing machine, in particular to a detecting mechanism for testing whether the panel or the detecting board is flawed on a panel laser repairing machine.

Taiwan Patent No. M312849 and M313734 both use a plurality of probes on a probe set to contact a contact point on a test board on one side of the panel to transmit a test signal through the detection line on the test board. In the panel. However, the test signals input by the probes are required to pass through the contact point and the detection line. Therefore, by using the probes alone to input the test signals into the detection mode of the panel, it is impossible to confirm whether the detected defects are on the panel or the detection lines of the detection board. The general test board is only used to input the test signal, and the final test will be cut off. Therefore, if the detection line of the test board is flawed, the quality of the panel will not be affected. However, the conventional laser repairing machine may not be able to confirm whether the panel or the detecting board is flawed, and the detecting board may be used as a defective product or laser repaired. This will not only increase the defect rate of the product but also waste costs.

The present invention provides a panel laser repairing machine capable of confirming whether the panel or the detecting board is defective. Wherein the longitudinal and lateral sides of the panel are respectively extended A test board. Each of the detection boards has a plurality of contact points and a plurality of detection lines respectively connected to the contact points, and the detection lines are respectively connected to the plurality of vertical or horizontal pixel switching circuits of the panel. The laser repairing machine includes a machine table, a detecting mechanism, a laser repairing device and an image capturing device. The machine platform has a frame body, a light source and a gantry. The frame system is provided with the panel, and has two vertically adjacent frame rods. The light source is disposed under the frame body, and the gantry can be Move above the frame. The detecting mechanism comprises a plurality of detecting devices respectively disposed on the two frame rods, each detecting device comprising a body, a probe set and a conductive group. The seat system is movably disposed on the corresponding frame pole. The probe set has a first lifting base and a plurality of probes. The first lifting base is detachably mounted on the base body, and the probes are coupled to the first lifting base for contacting the panel. The contact point of the board is tested to input the test signal into the corresponding pixel switching circuit of the panel. The conductive group has a second lifting seat and a conductive cotton, and the second lifting seat is hoistably disposed on the base body, and the conductive cotton is disposed on the lifting seat for contacting the detecting line of the inspection panel Near one end of the panel to input power into the corresponding pixel switching circuit of the panel. The laser repairing device is movably disposed on the gantry to perform laser repair on the panel on the machine. The image capturing device is coupled to the laser repairing device for capturing images of the panel on the machine.

The invention can contact the contact point of the detecting board by the probes to input a test signal into a switch circuit of a corresponding pixel of the panel to perform preliminary testing of the panel, and then contact the conductive cotton with the conductive cotton. A detection circuit of the detection board is adjacent to one end of the panel to input power into a corresponding pixel switching circuit of the panel to further perform the panel or the detection board Confirmation of 瑕疵. In turn, the defect of the test board can be found to achieve the purpose of reducing product defect rate and cost.

Other inventive aspects and more detailed technical and functional descriptions of the present invention are disclosed in the following description.

The first to tenth drawings show that the panel laser repairing machine of the present invention comprises a machine table 1, a support mechanism 2, a plurality of fixing devices 3, a detecting mechanism 4, a laser repairing device 5 and an image capturing device 6.

In the first and second figures, a detection plate 8 is extended on each of the longitudinal and lateral sides of the panel 7. Each of the detecting plates 8 has a plurality of contact points 80 and a plurality of detecting lines 81 respectively connected to the contact points 80. The detection lines 81 are respectively connected to a plurality of vertical or horizontal pixel switching circuits (not shown) of the panel 7.

In the third figure, the machine 1 has a frame 10, a light source (not shown) and a gantry 12. The frame body 10 is formed by a first frame rod 100, a second frame rod 101, a third frame rod 102 and a fourth frame rod 103. The second frame rod 101 and the fourth frame rod 103 are parallel to each other. The light source is disposed below the frame 10. The gantry 12 system is movable above the frame 10.

In the fourth and fifth figures, the second frame rod 101 and the fourth frame rod 103 respectively have a track 13. The support mechanism 2 includes a plurality of support rods 20 and a drive module 20a. Both ends of each of the support rods 20 are movably coupled to the two rails 13, respectively. There is a mask on each of the support rods 20 The wear-resistant layer 200 does not wear when the panel is placed thereon, and the support rod 20 has a plurality of air holes 201 extending through the top surface, and generates a suction force to adsorb the panel thereon, and can blow out the gas to make it The upper panel is slightly up. The driving module 20a includes two first driving devices 21 and a plurality of second driving devices 22. Each of the first driving devices 21 includes a telescopic cylinder 210 disposed on the second frame rod 101. The telescopic cylinder 210 has a telescopic shaft 211 that is telescopically movable. The end of the telescopic shaft 211 is coupled to the support rod 20 adjacent to the first frame rod 100. The second driving devices 22 are fastened to the first frame 100 for driving the remaining support bars 20 to move horizontally on the frame 10. Each of the second driving devices 22 includes a rack 220, a gear 221, and a motor 222. The rack 220 is disposed on the second frame rod 101 and is parallel to the rail 13 . In the embodiment, the second driving devices 22 share a rack 220 . The gear 221 is meshed with the rack 220. The motor 222 is disposed on the support rod 20 for driving the gear 221 to rotate.

In the sixth and seventh figures, the fixing devices 3 are respectively disposed on the first frame rod 100 and the fourth frame rod 103. Each fixture 3 includes a driver 30 and a positioning block 31. The driver 30 is movably disposed on a corresponding frame rod, and the positioning block 31 is drivable by the driver 30 to move perpendicularly to the corresponding frame.

In the sixth to ninth figures, the detecting mechanism 4 includes a complex detecting device 40 and a plurality of driving portions 41. The detecting devices 40 are respectively disposed on the first frame rod 100 and the fourth frame rod 103. The driving portions 41 can respectively drive the detecting devices 40 to move on the corresponding frame rods. Each detection device 40 includes a body 42 , a probe set 43 and a conductive set 44 . The base 42 is movably disposed on a corresponding frame rod. The probe set 43 A first lifting base 430 and a plurality of probes 431 are included. The first lifting base 430 is detachably mounted on the base 42. The probes 431 are coupled to the first lifting block 430 for contacting the contact points 80 on the detecting board 8 to input test signals into the corresponding vertical or horizontal pixels of the panel 7, such as The second picture shows. The conductive group 44 includes a second lifting base 440 and a conductive cotton 441. The second lifting base 440 is detachably mounted on the base 42. The conductive cotton 441 is coupled to the top surface of the second lifting base 440 for contacting the detecting line 81 on the detecting board 8 to the end of the panel 7 to input electric power into the corresponding longitudinal direction of the panel 7 or The switching circuit of the horizontal pixel is as shown in the second figure. Each drive portion 41 includes a rack 45, a gear 46, and a motor 47. The rack 45 is disposed on the corresponding frame rod. The gear 46 meshes with the rack 45. The motor 47 is disposed on the base 42 of the corresponding detecting device 40. In the present embodiment, the plurality of driving portions 41 on the same frame rod share a single rack 45.

In the third figure, the laser repairing device 5 is movably disposed on the gantry 12 to perform laser repair on the panel on the machine 1. The image capturing device 6 is coupled to the laser repairing device 5 for capturing images of the panel.

In the tenth figure, each probe 431 has a probe tube 432, a telescopic rod 433 and a spring 434. The probe tube 432 is coupled to the first lifting base 430. The upward end of the probe tube 432 has an opening 435. The probe tube 432 has a positioning protrusion 436 on the inner tube wall. The telescopic rod 433 has a probe head 437 at one end, and the other end extends into the probe tube 432 from the opening 435, and has a protrusion 438, which is limited by the positioning protrusion 436. The probe tube 432 is in the middle. The bomb A spring 434 is disposed in the probe tube 432 and is mounted on the protrusion 438 for ejecting the telescopic rod 433 toward the opening 435.

The eleventh and twelfth drawings show that when a reclaiming mechanism (not shown) sends the panel to the upper side of the frame 10, the plurality of air holes 201 on the support bars 20 will blow the bottom surface of the panel 7. Gas to make the panel 7 slightly suspended. When the two adjacent sides of the panel 7 abut against the positioning block 31 of the fixing device 3, the driver 30 drives the positioning block 31 to move to position the panel 7. At this time, the plurality of air holes 201 on the support rods 20 generate suction to attract the bottom surface of the panel 7. Thereafter, the light source projects light toward the panel, and the probe 431 of the probe set 43 can ascend contact with the detection board for inputting a test signal to the panel 7. The gantry 12 is movable over the frame 10, and the laser repairing device 5 is movable on the gantry 12 to repair the cymbal on the panel 7. The image capturing device 6 can be moved on the gantry 12 to The image of the panel 7 is taken for inspection.

The eighth and tenth views show that when the first lifting base 430 drives the probe 431 to rise to bring the probe head 437 into contact with the detecting board 8, the telescopic rod 433 can be acted upon by the spring 434. One end of the probe tube 432 is elastically stretched to buffer the force of the probe 431 contacting the detecting plate 8. In this way, the contact force between the probe 431 and the detecting board 8 can be prevented from being excessive, and thus the service life of the probe 431 can be increased. Moreover, when the probes 431 are in contact with the contact points 80 of the detecting board 8, as shown in the second figure, the test signals can be input into the corresponding pixel switching circuit of the panel 7 to perform preliminary testing of the panel. (Step a of the fifteenth figure).

The ninth figure shows that after the panel 7 is initially tested and found by using the probes 431, the second lifting seat 440 can be reused. The conductive cotton 441 rises to the detecting line 81 contacting the detecting board 8, as shown in the second figure, so that the conductive cotton 44 can input power into the switching circuit of the corresponding pixel of the panel 7 to further confirm that the panel is 7 The test board 8 is also defective (step b of the fifteenth figure), and thereby the flaw of the test board 8 is found to achieve the purpose of reducing product defect rate and cost.

The thirteenth and fourteenth drawings show that when the panel 7 is to be inspected in an area directly above the support rod 20, the first driving device 21 or the second driving device 22 can drive the corresponding support rod 20 to move. At a distance, the support rod 20 is moved back to the original position after the inspection is completed. Thereby, the cymbal on the panel 7 can be prevented from being obscured by the shadow of the support rod 20, so that all positions of the panel 7 can be accurately inspected, thereby greatly improving the accuracy of the panel inspection.

In any case, anyone can obtain sufficient teaching from the description of the above examples and understand that the present invention does have industrial applicability. Moreover, the same or similar technology as the present invention has not been disclosed before, so the present invention is novel and progressive, and conforms to the invention patent requirements, and is filed according to law.

1‧‧‧ machine

10‧‧‧ frame

100‧‧‧first frame

101‧‧‧Second frame

102‧‧‧ Third frame

103‧‧‧Fourth pole

12‧‧‧Longmen

13‧‧‧ Track

2‧‧‧Support institutions

20‧‧‧Support rod

200‧‧‧ wear layer

201‧‧‧ stomata

20a‧‧‧Drive Module

21‧‧‧First drive

210‧‧‧Retractable cylinder

211‧‧‧ Telescopic shaft

22‧‧‧Second drive

220‧‧‧ rack

221‧‧‧ Gears

222‧‧‧ motor

3‧‧‧Fixed devices

30‧‧‧ drive

31‧‧‧ Positioning block

4‧‧‧Testing agency

40‧‧‧Detection device

41‧‧‧ Drive Department

42‧‧‧ body

43‧‧‧ probe set

430‧‧‧First lift

431‧‧‧ probe

432‧‧‧ probe tube

433‧‧‧ Telescopic rod

434‧‧‧ Spring

435‧‧‧ openings

436‧‧‧ positioning convex

437‧‧‧ probe head

438‧‧‧Bumps

44‧‧‧ Conductive group

440‧‧‧Second lift

441‧‧‧ conductive cotton

45‧‧‧ rack

46‧‧‧ Gears

47‧‧‧Motor

5‧‧‧Roar repairing device

6‧‧‧Image capture device

7‧‧‧ panel

8‧‧‧Test board

80‧‧‧Contact points

81‧‧‧Detection line

The first figure is a schematic plan view of the panel and the detecting board of the present invention.

The second figure is a partially enlarged schematic view of the panel and the detecting board of the present invention.

The third figure is a perspective view of the present invention.

The fourth figure is a partially enlarged perspective view of the support mechanism of the present invention.

Figure 5 is a partial cross-sectional enlarged view of the support mechanism of the present invention.

Figure 6 is an enlarged schematic view of the fixture of the present invention.

The seventh drawing is a perspective enlarged view of the detecting mechanism of the present invention.

The eighth figure is a schematic view of the operation of the probe set of the present invention.

The ninth drawing is a schematic view of the operation of the conductive group of the present invention.

The tenth drawing is an enlarged schematic cross-sectional view of the probe of the present invention.

The eleventh drawing is a schematic view of the positioning operation of the panel of the present invention (top view).

Fig. 12 is a schematic view showing the positioning operation of the panel of the present invention (side view).

The thirteenth drawing is a schematic view (top view) of the support rod of the present invention.

Figure 14 is a schematic view (side view) of the support rod of the present invention.

The fifteenth figure is a flow chart of the panel laser repairing method of the present invention.

100‧‧‧first frame

103‧‧‧Fourth pole

3‧‧‧Fixed devices

30‧‧‧ drive

31‧‧‧ Positioning block

4‧‧‧Testing agency

40‧‧‧Detection device

41‧‧‧ Drive Department

43‧‧‧ probe set

44‧‧‧ Conductive group

Claims (11)

A panel inspection and laser repairing machine for detecting a panel of a panel, confirming whether the crucible is located on the panel, and repairing the crucible on the panel, wherein the longitudinal and lateral sides of the panel respectively extend out a detection board, each detection board having a plurality of contact points and a plurality of detection lines respectively connected to the contact points, the detection lines being located at one end of the panel and respectively switching with a plurality of vertical or horizontal pixels of the panel The circuit board connection includes: a machine frame having a frame body and a gantry, the frame body having two frame rods vertically adjacent to each other, the gantry being movable above the frame body; a detecting mechanism, comprising a plurality of detecting devices respectively disposed on the two frame rods, each detecting device comprising a body, a probe set and a conductive group; the seat system is movably disposed on the corresponding frame rod; The needle set has a first lifting base and a plurality of probes. The first lifting base is detachably mounted on the base. The probes are coupled to the first lifting base, and the first lifting seat drives the Exploring So that the probes contact the contact points of the detecting board, and let the probes input a test signal to the corresponding pixel switching circuit of the panel to find the 瑕疵; the conductive group has a a second lifting base and a conductive cotton, the second lifting base is hoistably disposed on the base body, the conductive cotton is disposed on the second lifting seat, and the second lifting seat drives the conductive cotton to Conductive cotton contact connection The detection circuit of the contact, and the power is input to the corresponding pixel switching circuit of the panel to detect whether the 瑕疵 is located on the panel or the detection board; a laser repairing device is movably disposed at the The gantry can perform laser repair on the cymbal of the panel on the machine; and an image capturing device is coupled to the laser repairing device for capturing images of the panel on the machine. The panel inspection and laser repairing machine according to the first aspect of the invention, wherein the detecting mechanism further comprises a plurality of driving portions for respectively driving the plurality of housings to move on the corresponding frame rods, each of the driving portions including one A rack, a gear and a motor are disposed on the corresponding frame rod, the gear train is engaged with the rack, and the motor is disposed on the base. The panel inspection and laser repairing machine according to claim 2, wherein each probe has a probe tube, a telescopic rod and a spring, and the probe tube is coupled to the first lifting seat. The probe tube has an opening toward one end of the panel, the telescopic rod has a probe head at one end, and the other end extends from the opening into the probe tube, and the spring is disposed in the probe tube The telescopic rod is ejected in the direction of the opening. The panel inspection and laser repairing machine according to claim 3, wherein one end of the telescopic rod extending into the probe tube has a protrusion, and the inner tube wall of the probe tube has a Positioning the convex part, The positioning protrusion is adapted to constrain the bump in the probe tube. The panel inspection and laser repairing machine of claim 1, further comprising a support mechanism having a plurality of support rods disposed on the frame for supporting the panel, the support rod having a plurality of air holes The air hole generates suction for sucking the panel. The panel inspection and laser repairing machine according to claim 5, wherein the supporting mechanism comprises a driving module, the frame has two parallel tracks, and the two ends of each supporting rod are respectively movably Connected to the two rails, the driving module is configured to respectively drive the support rods to move on the frame. The panel inspection and laser repairing machine of claim 6, wherein the driving module comprises a plurality of first driving devices, each of the first driving devices comprises a telescopic cylinder disposed on the frame, The telescopic cylinder has a telescopic shaft that is telescopically movable, and the end of the telescopic shaft is coupled to the support rod. The panel inspection and laser repairing machine according to claim 6 or 7, wherein the driving module comprises a plurality of second driving devices, each of the second driving devices comprises a rack, a gear and a motor. The rack is disposed on the frame and parallel to the rail. The gear train meshes with the rack, and the motor is disposed on the support rod to drive the gear to rotate. The panel inspection and laser repairing machine according to claim 8 further includes a plurality of fixing devices, wherein the plurality of air holes on the support can blow out gas, and the fixing devices are respectively movably disposed on the two Each of the fixing devices includes a driver and a positioning block for driving the positioning block to vertically move relative to the frame. The panel inspection and laser repairing machine of claim 5, wherein the top surface of the support rod has an anti-friction layer for preventing wear of the panel placed thereon. A panel inspection method for detecting a panel of a panel, confirming whether the crucible is located on the panel, and repairing the crucible on the panel, wherein each of the longitudinal and lateral sides of the panel extends a detection panel, and each detection The board has a plurality of contact points and a plurality of detection lines respectively connected to the contact points, the detection lines being located near one end of the panel and respectively connected to the plurality of vertical or horizontal pixel switching circuits of the panel; the panel inspection The method includes: contacting a plurality of probes of a probe mechanism with the contact points on the detection board, and feeding a switch circuit for detecting a corresponding pixel on the panel to find a defect of the panel; Contacting the conductive cotton of a detecting mechanism to the detecting line connecting the contact point corresponding to the 瑕疵, and feeding a switching circuit of a corresponding pixel of the panel to detect whether the power can pass the detecting line The switch circuit is sent to the corresponding pixel and it is confirmed whether the defect is located on the panel.