Separation apparatus and separation method for flexible display panel

1. A flexible display panel separation apparatus, for lifting-off a rigid substrate from a flexible display panel, wherein the separation apparatus comprises a support post, a power unit and a vacuum suction block;

wherein the supporting post is used to support the separation apparatus on the relatively upper side of the rigid substrate to be separated;

the vacuum suction block is in communication with the support post, and is used to suck and connect the rigid substrate to be separated; and

one end of the power unit is connected to the support post, the other end is rotatably connected with the vacuum suction block, and is configured to control the vacuum suction block together with the rigid substrate to be separated from the flexible display panel;

wherein the vacuum suction block comprises a suction nozzle, the suction nozzle is connected to an external vacuum suction apparatus through an air pipe, the air pipe is extended in the support post.

2. The flexible display panel separation apparatus according to claim 1 , wherein the power unit comprises a power output device and a drive shaft, the drive shaft is extending along a first direction, the power output device is drivably connected to the drive shaft to drive the drive shaft to reciprocate motion in the first direction, the vacuum suction block is rotatably connected to the drive shaft; wherein the first direction forms an included angle between a normal direction of the rigid substrate to be separated.

3. The flexible display panel separation apparatus according to claim 2 , wherein the angle of the included angle is 5° to 30°.

4. The flexible display panel separation apparatus according to claim 2 , wherein the power output device is a cylinder, the power output device is connected to a first end of the drive shaft, the vacuum suction block is connected to a second end of the drive shaft.

5. The flexible display panel separation apparatus according to claim 4 , wherein the vacuum suction block is connected to the second end of the drive shaft by an universal joint.

6. The flexible display panel separation apparatus according to claim 1 , wherein the separation apparatus further comprises:

an air blowing unit, the air blowing unit is for blowing gas into a bonding interface between the flexible display panel and the rigid substrate.

7. The flexible display panel separation apparatus according to claim 1 , wherein the vacuum suction block is connected to a heating unit, the heating unit is for heating the rigid substrate through the vacuum suction block.

8. A flexible display panel separation method, for separating a rigid substrate from a flexible display panel, wherein the separation method comprises:

providing a vacuum suction platform, sucking and fixing the flexible display panel to the vacuum suction platform by placing the flexible display panel toward the vacuum suction platform;

ablating an adhesive layer between the flexible display panel and the rigid substrate by using a laser lifting-off process;

providing a separation apparatus for the flexible display panel, fixing the separation apparatus above the rigid substrate, wherein the separation apparatus comprises a support post, a power unit and a vacuum suction block, the supporting post is used to support the separation apparatus on the relatively upper side of the rigid substrate to be separated, the vacuum suction block is in communication with the support post, and is used to suck and connect the rigid substrate to be separated, and one end of the power unit is connected to the support post, the other end is rotatably connected with the vacuum suction block;

controlling the vacuum suction block of the separation apparatus to suck and connect to the rigid substrate, wherein a position of the vacuum suction block sucked and connected is adjacent to an edge of the rigid substrate;

controlling the power unit of the separation apparatus to pull the vacuum suction block, to make a bonding interface of the flexible display panel and the rigid substrate separated and forming an opening portion; and

controlling the power unit continually to pull the vacuum suction block, to make the opening portion extended until the rigid substrate completely lifted-off from the flexible display panel;

wherein the vacuum suction block comprises a suction nozzle, the suction nozzle is connected to an external vacuum suction apparatus through an air pipe, the air pipe is extended in the support post.

9. The flexible display panel method according to claim 8 , wherein the speed of the power unit to pull the vacuum suction block is 0.1˜0.3 mm/s.

10. The flexible display panel method according to claim 8 , wherein the power unit comprises a power output device and a drive shaft, the drive shaft is extending along a first direction, the power output device is drivably connected to the drive shaft to drive the drive shaft to reciprocate motion in the first direction, the vacuum suction block is rotatably connected to the drive shaft; wherein the first direction forms an included angle between a normal direction of the rigid substrate to be separated.

11. The flexible display panel method according to claim 10 , wherein the angle of the included angle is 5° to 30°.

12. The flexible display panel method according to claim 10 , wherein the power output device is a cylinder, the power output device is connected to a first end of the drive shaft, the vacuum suction block is connected to a second end of the drive shaft.

13. The flexible display panel method according to claim 12 , wherein the vacuum suction block is connected to the second end of the drive shaft by an universal joint.

14. The flexible display panel method according to claim 8 , wherein the separation apparatus further comprises:

an air blowing unit, the air blowing unit is for blowing gas into a bonding interface between the flexible display panel and the rigid substrate; and

the separation method further comprising: when pulling the vacuum suction block, an air is blown into the bonding interface through the opening portion.

15. The flexible display panel method according to claim 8 , wherein the vacuum suction block is connected to a heating unit, the heating unit is for heating the rigid substrate through the vacuum suction block; and

the separation method further comprising: the separation method further comprising: when pulling the vacuum suction block, heating the rigid substrate through the conduction of the vacuum suction block.

16. The flexible display panel method according to claim 15 , wherein a heating temperature to the vacuum suction block is 50° C. to 80° C.