TW201924783A - Method and system for panel edge coating - Google Patents

Abstract

This invention discloses a panel edge coating method and system. The method includes steps of transferring, rotating and coating. The system includes a carrier, a rotating mechanism and a coating device. When a panel and its related rigid-flex PCB arrives at a working position with the carrier, the rotating mechanism turns the rigid-flex PCB over toward a top of the panel in order to expose a fourth side edge of the panel, and then the coating device applies a coating onto the fourth side edge of the panel.

Description

Display panel side coating method and system thereof

The invention relates to a method for coating glue on the side of a display panel and an apparatus therefor.

In the manufacturing process of the conventional frameless liquid crystal display device, after a thin film transistor array substrate and a color filter substrate are combined to form a display panel, it is necessary to apply a light shielding glue (usually black) on the side of the display panel. To eliminate light leakage at the edge of the liquid crystal display device. Such a light-shielding glue can be referred to the patents of CN106554650A, CN106433492A, CN106647074A and the like. In addition, CN103135264B discloses a black shading ink coated on the side of a display panel to replace the aforementioned shading glue. In addition, CN106601928A indicates that the aforementioned side shading or side shading ink can be applied to an OLED display panel.

However, the conventional gluing device is only suitable for spraying the light-shielding or shading ink on the three sides of the display panel, but it cannot be used for spraying the fourth side of the display panel, that is, for electrically connecting a soft and hard. The side of the composite board.

In view of the problem that the conventional gluing device cannot be used for spraying the fourth side of a display panel, the present invention provides a method and system for coating the side of the display panel to solve the aforementioned problems.

More specifically, the present invention provides a display panel side coating system for applying a specific side edge (ie, a fourth side) of a display panel. The specific side is adjacent to an edge region of the top surface of the display panel. The edge region is connected to a soft and hard circuit board. The system includes at least a transport mechanism, a turning mechanism and a glue applying mechanism. The transport mechanism is configured to carry and transfer the flexible hard circuit board and the display panel to be glued to advance the specific side of the display panel to a working position or to retreat from the working position. The turning mechanism is configured to flip the soft and hard circuit board over the top surface of the display panel when the specific side of the display panel is in the working position to expose the specific side of the display panel. The glue applying mechanism is configured to apply the specific side of the display panel after the soft and hard circuit board is flipped over the top surface of the display panel.

In one embodiment, the transport mechanism of the system of the present invention includes a mobile stage, a fork set, and a fork drive. The mobile stage is used to carry and transfer the display panel. The dental fork set includes a bracket and a plurality of dental forks disposed side by side on the bracket. The fork drive device is disposed on the moving stage for driving the bracket of the fork set relative to the moving stage to move the forks on the bracket from an initial position to a support The support position is to support a hard board of the soft and hard circuit board, and can return to the initial position from the support position to disengage the hard board.

In one embodiment, the display panel side gluing system of the system of the present invention further includes a pressing mechanism for pressing the display panel when the specific side of the display panel is in the working position; The mechanism flips the hard and soft circuit board over the top surface of the display panel after the pressing mechanism presses the display panel.

In one embodiment, the pressing mechanism of the system of the present invention includes a support base, a press seat and a press drive. The support base supports a portion of the display panel adjacent to the specific side when the specific side of the display panel is in the working position. The pressing seat is located directly above the support seat and can be lowered to a pressing position and raised and retracted from the pressing position. Wherein, when the pressing seat is located at the pressing position, a portion of the display panel close to the specific side is sandwiched between the pressing seat and the supporting seat. The pressing drive device is used to drive the lifting and lowering of the pressing seat.

In an embodiment, the support base of the system of the present invention is formed with a plurality of slots spaced side by side and extending from the top to the bottom, and the moving stage transfers the specific side of the display panel to the working position. Directly above, the hard plate on the fork of the above-mentioned dental fork group has passed over the support base, and each of the dental forks is facing downwardly opposite the slot of the support seat, and when the mobile stage is lowered, the When the specific side of the display panel is lowered to the working position, each of the forks is lowered into the corresponding slot.

In one embodiment, the turning mechanism of the system of the present invention includes a rotating bracket, a plurality of nozzles, and a flip drive. The rotating bracket is located above the working position and can be moved from an in-situ position to a ready position and moved back to the home position from the preparation position, and can swing downward from the preparation to a contact position and upward from the contact position Put back to the ready position. The nozzles are spaced side by side on the rotating bracket for sucking or releasing the hard board of the soft and hard circuit board when the rotating bracket is in the contact position. The inversion driving device is used to drive the movement and swing of the rotating bracket.

In an embodiment, the display panel side coating system of the system of the present invention further includes a pulling mechanism for rearward the hard and soft circuit board after the soft and hard circuit board is turned over by the turning mechanism. Pulling a small distance; the glue coating mechanism glues the specific side of the display panel after the soft and hard circuit board is pulled back.

In one embodiment, the display panel side gluing system of the system of the present invention further includes a pressing mechanism and a pulling mechanism for pressing the specific side of the display panel when the working position is in the working position. a display panel; the inverting mechanism flips the soft and hard circuit board over the top surface of the display panel after the pressing mechanism presses the display panel; the pulling mechanism is attached to the turning mechanism by the pulling mechanism After the flipping, the soft and hard circuit board is pulled back a short distance; the glue coating mechanism glues the specific side of the display panel after the soft and hard circuit board is pulled back.

In one embodiment, the pulling mechanism of the system of the present invention comprises a rod and a plurality of pulling and pulling modules, the rods are located above the working position, and the pulling and pulling modules are spaced apart and arranged on the poles. Each pull-pull module includes a pull-pull drive mechanism and a pull-up member, the pull-pull drive mechanism includes an X-axis drive portion and a Y-axis drive portion, and the X-axis drive portion is disposed on the support rod for Pushing the Y-axis driving portion to move forward and backward, the Y-axis driving portion is connected to the hooking member for pushing the hooking member to move up and down; the hooking member includes a driving device driven by the Y-axis driving portion a vertical segment, a horizontal segment connecting the vertical segment, and a hook portion formed at one end of the horizontal segment, wherein the hook member is driven to move downward under the driving of the X-axis driving portion and the Y-axis driving portion And then moving forward directly to a hard board of the hard and soft circuit board such that the hook portion faces a bottom edge of the hard board, and then the hook member is driven to rise to the hook The hooking position of the bottom edge of the hard board is then driven to move the small distance backward from the hooking position.

In one embodiment, the gumming mechanism of the system of the present invention includes a moving seat and a glue applicator. The moving base is movable in parallel along the specific side of the display panel at a close distance. The glue application device is disposed on the movable seat and includes a glue applicator and a UV lamp, and the glue applicator is configured to spray the specific side of the display panel during the parallel movement of the glue application device A light-shielding glue for illuminating the light-shielding glue to cure the light-shielding glue.

The present invention also provides a method for coating a side of a display panel for applying a specific side of a display panel, wherein the specific side is adjacent to an edge region of the top surface of the display panel, and the edge region is connected to the edge region. A hard and soft circuit board, the method comprising a transport step, a flipping step and a gumming step. The transporting step is used to transfer the display panel along with the flexible circuit board to a predetermined position such that the particular side of the display panel is in a working position. The flipping step is for flipping the flexible circuit board over the top surface of the display panel to expose the specific side of the display panel when the specific side of the display panel is in the working position. The gumming step is used to apply glue to the particular side of the exposed display panel.

In one embodiment, the method of the present invention further includes a pressing step for pressing the display panel when the particular side of the display panel is in the operative position, and then performing the flipping step.

In one embodiment, the method of the present invention further includes a pulling step of pulling the flexible circuit board back a short distance after the hard and soft circuit board is turned over, and then performing the pulling Gluing step.

In one embodiment, the method of the present invention further includes a pressing step and a pulling step for pressing the display panel when the specific side of the display panel is in the working position, and then performing the pressing In the flipping step, the pulling step is performed after the soft and hard circuit board is turned over, and the soft and hard circuit board is pulled backward by a small distance, and then the rubberizing step is performed.

Compared with the prior art, the method and system for coating the side of the display panel of the present invention can be used for applying the glue to the specific side (ie, the fourth side) of the display panel connected to the soft and hard circuit board. Knowing that the glue application equipment cannot be applied to the problem of the fourth side glue application.

The first figure shows an embodiment of the side panel coating method of the display panel of the present invention, and the second to twelfth drawings show an embodiment of the display panel side coating system 100 of the present invention for performing the aforementioned coating. method. In any event, the display panel side gluing method and system 100 of the present invention is used to apply a specific side edge 94 of a display panel 9. As shown in the thirteenth and thirteenth drawings, the display panel 9 has a rectangular shape, and each side has a side edge 91-94, wherein the three side edges 91-93 are not connected to any circuit board, and the fourth thereof. The side edge 94 (that is, the specific side edge 94) is adjacent to an edge region 90 of the top surface of the display panel 9. The edge region 90 is formed with a plurality of sets of conductive pins (not shown), and the conductive contacts are The foot is connected to a flexible circuit board 8 to electrically connect the display panel 9 with the hard and soft circuit board 8. In this embodiment, the flexible circuit board 8 is a rigid circuit board (hereinafter referred to as a hard board) 81 and a plurality of flexible circuit boards (hereinafter referred to as a soft board) bridged between the hard board 81 and the display panel 9. ) 82 is a soft and hard composite circuit board.

Referring to the first figure, the method for coating the side of the display panel of the present invention comprises a step of transporting step S1, pressing step S2, step of inverting S3, step of pulling step S4, and step of applying a glue step S5. First, in the transporting step S1, the display panel 9 and the flexible circuit board 8 are transported to a predetermined position such that the specific side 94 of the display panel 9 is in a working position, as shown in the fifth and sixth figures. Shown. In the present embodiment, this transporting step S1 can be achieved by a transport mechanism 2 which will be described later in detail.

After the transporting step S1 is completed, the inverting step S3 may be directly performed, or alternatively, the pressing step S2 may be performed first and then the inverting step S3 may be performed. In the pressing step S2, the display panel 9 at the working position is pressed, as shown in the seventh figure, to further stabilize the display panel 9 to prevent it from being arbitrarily displaced, so as to facilitate the subsequent flipping step S3. In the present embodiment, this pressing step S2 can be achieved by a pressing mechanism 3 which will be described later in detail.

In the flipping step S3, the flexible circuit board 8 is flipped over the top surface of the display panel 9 to reveal a particular side 94 of the display panel 9, as shown in the ninth figure. This flipping step S3 can be achieved by a flipping mechanism 4 which will be described later in detail. Further, if the pressing step S2 has been previously performed, it is further ensured that the action performed by the inverting step S3 is not caused to shift the display panel 9.

Next, after the flexible circuit board 8 is turned over, the gumming step S5 may be directly performed, or the pulling step S4 may be performed first and then the gumming step S5 may be performed. In the pulling step S4, the soft and hard circuit board 8 after being turned over is pulled backward by a small distance, as shown in FIG. 12, to ensure that the soft and hard circuit board 8 does not interfere with the subsequent glue application step. S5. It should be noted that in other examples, if the soft and hard circuit board 8 after the flipping has not interfered with the progress of the gumming step S5, it is not necessary to perform the pulling step S4. Further, if the pressing step S2 has been previously performed, it is further ensured that the action performed by the pulling step S4 is not caused to shift the display panel 9.

Finally, a gumming step S5 is performed, that is, the particular side 94 of the display panel 9 is glued as shown in FIG.

Referring to the second and third figures, the display panel side coating system 100 of the present invention comprises a gantry 1 and the above-mentioned conveying mechanism 2, pressing mechanism 3, turning mechanism 4, pulling mechanism 5 and glue applying mechanism 6. The transport mechanism 2 is configured to carry the hard and soft circuit board 8 and the display panel 9 to be glued, and transport the two to the predetermined position, so that the specific side 94 of the display panel 9 is just located as the sixth. The working position shown in the figure. The transport mechanism 2 is further configured to transport the flexible circuit board 8 and the display panel 9 away from the predetermined position after the specific side 94 is completely glued, and return to the restored position.

In this embodiment, the transport mechanism 2 includes a mobile stage 21, a fork set 22, and a fork drive unit 23. The top surface of the moving stage 21 can carry the display panel 9 and can move forward and backward along the X-axis track 24 in the X direction. The moving stage 21 can also move left and right in the Y direction along a Y-axis rail 25. In addition, the moving stage 21 can also perform up and down movement in the Z direction and corner rotation. The dental fork set 22 includes a bracket 221 and a plurality of dental forks 222 disposed side by side on the bracket. The fork drive device 23 is provided on the moving stage 21 for driving the carriage 221 to move forward and backward with respect to the moving stage 21. Thereby, the fork 222 of the bracket 221 can be moved forward from an initial position to a support position (as shown in the third figure). After the fork 222 reaches the support position, the display panel 9 can be carried by the moving stage 21, and the hard board 81 of the flexible circuit board 8 can be supported by the fork 222. Then, the moving stage 21 is driven to move along the X-axis rail 24 toward the gantry 1 so that the specific side 94 of the display panel 9 reaches directly above the working position. Preferably, before the moving stage 21 moves forward, the image on the display panel 9 can be read by an image capturing device (not shown), and then a correction operation is performed according to the read mark, mainly This correcting operation is performed by the moving stage 21 for corner rotation so that the specific side 94 of the display panel 9 can be parallel to a glue path R and then moved forward along the track 24.

In this embodiment, the pressing mechanism 3 includes a pressing seat 30, a pressing driving device 31, and a support base 32. The pressing seat 30 is a long seat body having a long cushion 300 on the bottom surface thereof. The support base 1 is also a long base for supporting the portion of the display panel 9 adjacent to the particular side 94 when the particular side 94 of the display panel 9 reaches the working position. More specifically, as shown in the fourth and fifth figures, the support base 32 is formed with a plurality of slits 320 spaced side by side and extending from the top to the bottom, when the moving stage 21 will face a specific side of the display panel 9. When the edge 94 is transferred directly above the working position, the hard plate 81 on the fork 222 of the dental fork set 22 has passed over the support base 32, and each of the dental forks 222 faces downwardly opposite the support seat 32. 320, as shown in the fourth figure, then, the moving stage 21 is driven to move down, and the group of forks 22 is moved downward so that each of the forks 222 is lowered into the corresponding slot 320, respectively. The hard and soft circuit board 8 and the display panel 9 are also lowered. When the specific side 94 of the display panel 9 descends to reach the working position, as shown in the fifth and sixth figures, the display panel 9 is close to the specific side 94. It is supported by the support base 32, and the rest is still supported by the moving stage 21, while the hard board 81 of the hard and soft circuit board 8 is still supported by the fork 222. Thus, the above-described transporting step S1 is completed. At this time, as shown in the fourth figure, the specific side 94 of the display panel 9 will be parallel to the glue path R and spaced apart by a small gap.

As shown in the second and third figures, the press holder 30 is located directly above the support base 32. The pressing drive unit 31 has two in this embodiment, spaced apart from a cross column 10 of the gantry 1. A lifting plate 310 of each pressing driving device 31 is respectively pivoted on the pressing base 30 to respectively constitute a pivot point. When the lifting plate 310 of the pressing driving device 31 is driven to be moved up and down, the pressing seat 30 is vertically displaced relative to the supporting base 32, so that the pressing seat 30 can be in an in-situ manner as shown in the third and sixth figures. And descending to a pressing position of the display panel 9 on the support base 32 (as shown in the seventh figure), and rising from the pressing position to return to the home position. After the particular side 94 of the display panel 9 reaches the working position, the press seat 30 is driven down to the pressing position such that the portion of the display panel 9 near its particular side 94 is pinched to the press seat 30. Between the support frame 32 and the support base 32, the display panel 9 is pressed at this time, and the display panel 9 can be kept in a stable state when the soft and hard circuit board 8 is subsequently turned over and pulled. Thus, the above-described pressing step S2 is completed.

As shown in the second and third figures, the inverting mechanism 4 is disposed on the gantry 1 for flipping the hard and soft circuit board 8 to the top surface of the display panel 9 when the specific side 94 of the display panel 9 is in the working position. The upper side 94 is exposed above, as shown in the ninth figure. In this embodiment, the inverting mechanism 4 includes a rotating bracket 40, and a plurality of nozzles 41 spaced apart from each other on the rotating bracket 40 (second and third figures are omitted, see FIG. 8), and two inversion driving devices 42. The rotating bracket 40 is located above the support base 32, and two ends of the rotating bracket 40 are respectively connected to the two inversion driving devices 42. The two inversion driving devices 42 are respectively disposed on the two columns 12 of the gantry 1, and each of the inverting driving devices 42 can drive the rotating bracket 40 to move forward and backward in the X direction and to swing up and down.

As shown in the eighth diagram (the flip drive unit 42 is omitted), after the display panel 9 is pressed by the press holder 30, the rotary bracket 40 is first moved forward from an home position to near the hard board by the driving of the reverse drive unit 42. A preparation position of the 81 (in the broken line portion in the figure) is then pivoted downward by a drive of the inversion driving device 42 to a contact position (solid line portion as shown in the drawing) so that the suction nozzle 41 on the rotating bracket 40 Just after being pressed against the top surface of the hard plate 81, after the suction nozzles 41 suck the hard plate 81, the rotary bracket 40 is again driven by the inversion driving device 42 to swing upward from the contact position to return to the preparatory position. The hard and soft circuit board 8 is flipped over the top surface of the display panel 9 along with the upward swinging motion of the rotating bracket 40. At this time, the hard board 81 of the hard and soft circuit board 8 is substantially perpendicular to the display panel 9, as the ninth. The figure is shown (the flip drive unit 42 is omitted). Thus, the above-described inverting step S3 is completed. Next, the dental fork set 22 is driven to move back so that the dental forks 222 are retracted into the support base 32 to avoid interference with the subsequent application of the glue.

Referring to the second and third figures, the pulling mechanism 5 is located above the supporting base 32 for soft and hard after the soft and hard circuit board 8 is turned over by the turning mechanism 4 to the top surface of the display panel 9. The board 8 is pulled back a short distance. In the present embodiment, the pulling mechanism 5 includes a rod 51 located above the support base 32 and a plurality of pull-trap modules 520 spaced apart from each other on the support rod 51. The two ends of the support rod 51 are respectively disposed on the gantry 1 The two handrails 11 (the third figure shows only the poles 51). The bottom surfaces of the two handrail columns 11 respectively connect the two uprights 12 described above.

As shown in the tenth figure, each pull-pull module 520 includes a pull-pull drive mechanism 52, and a pull-up member 53 disposed on the pull-pull drive mechanism 52. The pull drive mechanism 52 includes an X-axis drive unit 521 and a Y-axis drive unit 522 that are connected to each other. The X-axis driving unit 521 is provided on the support rod 51 for pushing the Y-axis driving unit 522 to move forward and backward in the X direction. The Y-axis driving portion 522 is connected to the hooking member 53 for pushing the hooking member 53 to move up and down in the Z direction. The hooking member 53 includes a vertical section 531 driven by the Y-axis driving portion 522, a horizontal section 532 connecting the vertical section 531, and a hook portion 533 formed at one end of the horizontal section 532. Thereby, the pulling drive mechanism 52 can drive the hooking member 53 to hook the hard plate 81 by the X-axis driving portion 521 and the Y-axis driving portion 522 and pull back a small distance. More specifically, the hook member 53 is first driven to move down, and then moved forward directly below the hard plate 81 (as shown by the dotted line in the tenth figure), at which time the hook portion 533 is facing the hard board. A bottom edge of 81. Next, the hook member 53 is driven to rise to an hooked position at the bottom edge of the hard plate 81, as shown in FIG. Then, the hook member 53 is driven again to move the small distance from the hook position backward, as shown in the twelfth position. Thus, the above-described pulling step S4 is completed, and it is ensured that the position of the soft and hard circuit board 8 does not interfere with the application of the glue applying mechanism 6. It should be noted that, while the hook member 53 is moved backward, the rotary bracket 40 is also driven by the reverse driving device 42 to synchronously move backward from the home position to return to the preparation position, so that the nozzles 41 on the same are followed. Move the small distance back.

Referring to the second figure, the glue applying mechanism 6 includes a moving seat 61 and a glue applying device 62. The moving seat 61 is located on the front side of the support base 1, and can move along the rail 60 after the hard and soft circuit board 8 is flipped over the top surface of the display panel 9, so that the glue applying device 62 can move along the glue path R, That is, it moves in parallel along a specific side 94 of the display panel 9 in close proximity. The glue application device 62 includes a spray glue applicator 621 and a UV lamp 62 disposed side by side on the movable seat 61. The spray glue applicator 621 is used during the movement of the glue application device 62 along the glue application path R. The specific side 94 of the display panel 9 is sprayed with a light-shielding glue, and the UV lamp 62 is used to illuminate the light-shielding glue to cure the light-shielding glue. Thus, the above-mentioned gumming step S5 is completed, whereby a light-shielding glue is formed on the specific side 94 (ie, the fourth side).

After the gumming device 62 finishes the glue application and returns to the original position, the fork drive device 23 drives the fork group 22 to move to the support position, and then the hook member 53 of the pull mechanism 5 is driven to move down to make the hook The portion 533 is disengaged from the hard plate 81, and then, the rotating bracket 40 of the inverting mechanism 4 is driven to move the small distance forward to come to the preparation position from the home position (as shown by the broken line in the eighth figure), and then, the rotating bracket 40 is rotated. When driven to swing downward to the contact position (as shown by the solid line portion of the eighth figure), the suction nozzles 41 release the hard plate 81 so that the hard plate 81 falls on the forks 222. Then, the rotating bracket 40 is driven to be reversed from the contact position to the preparatory position, and then, the hooking member 53 is driven to move upward to return to the original position, and then the rotating bracket 40 is driven to retreat to return to the original position from the prepared position. Then, the press holder 30 is driven up to return to the home position. Finally, the moving stage 21 of the transport mechanism 2 is driven to move upwards, so that the display panel 9 and the hard and soft circuit board 8 are separated from the support base 3, and then driven to move backwards, and return to the original position, until the light-shielding glue has been applied. After the display panel 9 is removed along with the hard and soft circuit board 8, the next display panel to be glued together with the soft and hard circuit board is placed on the moving stage 21 of the transport mechanism 2 and the forks 222, and then The gluing operation of the specific side 94 (i.e., the fourth side) is performed as described above.

As can be seen from the above description, the method and system for coating the side of the display panel of the present invention can be used to apply a glue coating operation to the specific side 94 (ie, the fourth side) of the display panel 9 connected to the flexible circuit board 8. Conventional gluing equipment cannot be applied to the problem of the fourth side glue application.

100‧‧‧ Panel side coating system

1‧‧‧ gantry

10‧‧‧ horizontal column

11‧‧‧Handrail column

12‧‧‧ column

2‧‧‧Transportation agency

21‧‧‧Mobile stage

22‧‧‧牙叉组

221‧‧‧ bracket

222‧‧‧ tooth fork

23‧‧‧Brong fork drive

24‧‧‧X-axis orbit

25‧‧‧Y-axis orbit

3‧‧‧Compression institutions

30‧‧‧Piece seat

300‧‧‧ long strips

31‧‧‧Compression drive

310‧‧‧ lifting plate

32‧‧‧ support

320‧‧‧Deep slot

4‧‧‧ flip mechanism

40‧‧‧Rotating bracket

41‧‧‧ nozzle

42‧‧‧Flip drive

5‧‧‧ Pulling mechanism

51‧‧‧ pole

52‧‧‧ Pulling drive mechanism

520‧‧‧ Pulling module

521‧‧‧X-axis drive unit

522‧‧‧Y-axis drive unit

53‧‧‧Ticker

531‧‧‧ vertical section

532‧‧‧ horizontal section

533‧‧‧Hook

6‧‧‧Gluing mechanism

60‧‧‧ track

61‧‧‧Mobile seat

62‧‧‧Glue applicator

8‧‧‧Soft and hard circuit boards

81‧‧‧hard circuit board

82‧‧‧Soft circuit board

9‧‧‧ display panel

90‧‧‧Edge area

91～94‧‧‧ Side

R‧‧‧Glue path

S1‧‧‧Transfer steps

S2‧‧‧ suppression step

S3‧‧‧ flip step

S4‧‧‧ pull step

S5‧‧·Glue step

The first figure is a block diagram of a method for coating the side of the display panel of the present invention. The second figure is a plan view (top view) of the side coating system of the display panel of the present invention. The third figure is a schematic side view of the side coating system of the display panel of the present invention. The fourth figure is a partially enlarged plan view (top view) of the side coating system of the display panel of the present invention. The fifth drawing is a partially enlarged perspective view of the support base 32 of the present invention. 6 to 12 are views showing the operation of the side coating system of the display panel of the present invention (side view). The thirteenth diagram shows a stereoscopic appearance of a display panel and its soft and hard circuit boards. Figure 13A shows a partial side view of the display panel and its soft and hard circuit board.

Claims (15)

A side panel coating system for coating a specific side of a display panel, wherein the specific side is adjacent to an edge region of the top surface of the display panel, the edge region is connected to a soft and hard circuit board The system includes: a transport mechanism for carrying and transferring the flexible hard circuit board and the display panel to be glued to advance the specific side of the display panel to a working position or to retreat from the working position; An inverting mechanism for flipping the flexible circuit board over the top surface of the display panel to expose the specific side of the display panel when the specific side of the display panel is in the working position; and a glue applying mechanism for coating the specific side of the display panel after the soft and hard circuit board is flipped over the top surface of the display panel. The display panel side coating system according to claim 1, wherein the conveying mechanism comprises: a moving stage for carrying and transferring the display panel; a dental fork group comprising a bracket and a plurality of side by side a fork disposed on the bracket; and a fork drive device disposed on the moving stage, the bracket for driving the fork set is moved relative to the moving stage to make the bracket The fork can be moved from an initial position to a support position to support a rigid board of the flexible circuit board and return to the initial position from the support position to disengage the hard board. The display panel side coating system of claim 1, comprising a pressing mechanism for pressing the display panel when the specific side of the display panel is in the working position; The mechanism flips the hard and soft circuit board over the top surface of the display panel after the pressing mechanism presses the display panel. The display panel side gluing system of claim 3, wherein the pressing mechanism comprises: a support base for supporting the display panel near the specific when the specific side of the display panel is in the working position a side portion; a pressing seat located directly above the support seat, capable of descending to a pressing position and rising away from the pressing position, wherein the display panel is adjacent to the specific side when the pressing seat is located at the pressing position The edge portion is sandwiched between the pressing seat and the support base; and a pressing driving device for driving the lifting and lowering of the pressing seat. The display panel side coating system of claim 4, wherein the transport mechanism comprises: a moving stage for carrying and transferring the display panel; a dental fork set comprising a bracket and a plurality of side by side a fork disposed on the bracket; and a fork drive device disposed on the moving stage, the bracket for driving the fork set is moved relative to the moving stage to make the bracket The fork can be moved from an initial position to a support position to support a rigid board of the flexible circuit board and return to the initial position from the support position to disengage the hard board. The display panel side coating system of claim 5, wherein the support base is formed with a plurality of slits spaced side by side and extending from the top to the bottom, when the moving stage is the display panel When the specific side is transferred directly to the working position, the hard plate on the fork of the fork group has passed the support seat, and each of the forks is facing downwardly opposite the slot of the support seat. When the moving stage is lowered to lower the specific side of the display panel to the working position, each of the forks is lowered into the corresponding slot. The display panel side coating system of claim 1, wherein the turning mechanism comprises: a rotating bracket located above the working position and movable from an in-situ position to a preparation position and from the preparation position Returning to the home position, and swinging from the preparation downward to a contact position and swinging back from the contact position to the preparation position; a plurality of nozzles spaced side by side on the rotating bracket for the rotating bracket a hard board for sucking or releasing the soft and hard circuit board when the contact position is located; and an inversion driving device for driving the movement and the swing of the rotating bracket. The side panel coating system of the display panel of claim 1, further comprising a pulling mechanism for the soft and hard circuit board after the soft and hard circuit board is turned over by the turning mechanism Pulling back a short distance; the gluing mechanism glues the specific side of the display panel after the soft and hard circuit board is pulled back. The side panel coating system of the display panel of claim 1, further comprising a pressing mechanism and a pulling mechanism, wherein the pressing mechanism is pressed when the specific side of the display panel is located at the working position. The display panel is configured to flip the flexible circuit board over the top surface of the display panel after the pressing mechanism presses the display panel; the pulling mechanism is flipped on the soft and hard circuit board After the mechanism is turned over, the soft and hard circuit board is pulled back a short distance; the glue coating mechanism glues the specific side of the display panel after the soft and hard circuit board is pulled back. The display panel side coating system of claim 8 or 9, wherein the pulling mechanism comprises: a rod located above the working position; and a plurality of pulling and pulling modules spaced apart from each other On the support rod, wherein: each pull pull module comprises a pull drive mechanism and a pull pull member, the pull drive drive mechanism comprises an X-axis drive portion and a Y-axis drive portion, wherein the X-axis drive portion is disposed on the a struts for pushing the Y-axis driving portion for front and rear movement, the Y-axis driving portion connecting the hooking member for pushing the hooking member to move up and down; the hooking member includes the Y a vertical section driven by the shaft driving portion, a horizontal section connecting the vertical section, and a hook portion formed at one end of the horizontal section, wherein the hooking member is driven by the X-axis driving part and the Y-axis driving part First driven to move down, and then moved forward directly to a hard board of the hard and soft circuit board, so that the hook portion faces a bottom edge of the hard board, and then the hook member is driven And rising to a hooked position of the bottom edge of the hard board, and then the hook member is driven again from the hook position After moving the small distance. The display panel side gluing system of claim 1, wherein the gluing mechanism comprises: a moving seat capable of moving in parallel along the specific side of the display panel at a close distance; Provided on the movable seat, and including a glue applicator and a UV lamp, and the glue applicator is used to spray the specific side of the display panel with the light shielding glue during the parallel movement of the glue application device. The UV lamp is used to illuminate the shading gel to cure the shading gel. A method for coating a side of a display panel for coating a specific side of a display panel, wherein the specific side is adjacent to an edge region of the top surface of the display panel, the edge region is connected to a soft and hard circuit board The method includes the following steps: a transporting step of transferring the display panel along with the flexible circuit board to a predetermined position such that the particular side of the display panel is in a working position; a flipping step for When the specific side of the display panel is in the working position, the soft and hard circuit board is flipped over the top surface of the display panel to expose the specific side of the display panel; and a glue application step is used The particular side of the exposed display panel is glued. The method for coating a side panel of a display panel according to claim 12, further comprising a pressing step of pressing the display panel when the specific side of the display panel is in the working position, Then the flipping step is performed again. The method for coating a side panel of a display panel according to claim 12, further comprising a pulling step, wherein the pulling step is to pull the soft and hard circuit board backward after the soft and hard circuit board is turned over A short distance before the glue step is performed. The method for coating a side of a display panel according to claim 12, further comprising a pressing step and a pulling step, wherein the pressing step is performed when the specific side of the display panel is located at the working position Holding the display panel, and then performing the flipping step, the pulling step is used to pull the soft and hard circuit board backwards for a short distance after the soft and hard circuit board is turned over, and then the glue is applied again. step.