CN107863310B - Bending device and bending method for gate driving region - Google Patents
Bending device and bending method for gate driving region Download PDFInfo
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- CN107863310B CN107863310B CN201711062535.1A CN201711062535A CN107863310B CN 107863310 B CN107863310 B CN 107863310B CN 201711062535 A CN201711062535 A CN 201711062535A CN 107863310 B CN107863310 B CN 107863310B
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Abstract
The invention discloses a gate driving region bending device of a flexible display panel, which is used for bending gate driving regions at two ends of the flexible display panel, the flexible display panel comprises two arc-shaped edges which are bent oppositely, the gate driving region extends from the inner surface of the flexible display panel, and the bending device comprises: the flexible display panel is placed on the surface of the bearing table, the magnetic body is attached to the outer surface of the grid driving area back to the bearing table, and the electromagnet is electrified to generate a magnetic field to adsorb the magnetic body so that the magnetic body drives the grid driving area to bend towards the direction of the bearing table. The gate driving region bending device can quickly and simply bend the gate driving region, thereby reducing the investment of labor cost.
Description
Technical Field
The present invention relates to the field of liquid crystal display, and in particular, to a bending apparatus and a bending method for a gate driving region.
Background
A frameless flexible OLED display panel is more and more popular with common users because of its superior characteristics of self-luminescence, simple structure, fast response speed, and capability of implementing flexible display. At present, the bending technology of the gate driving region is one of the main technologies for realizing a flexible OLED frameless display panel. Bending the grid driving area of the flexible OLED and attaching the grid driving area to the back of the flexible display panel can achieve the effect of long-edge full-screen display. Therefore, a simple bending apparatus is required in order to quickly and easily bend the gate driving region of the flexible OLED display panel.
Disclosure of Invention
In view of the above, the present invention provides a bending apparatus and a bending method for a gate driving region, which can bend the gate driving region quickly and easily, thereby reducing the labor cost.
The invention provides a gate driving region bending device of a flexible display panel, which is used for bending gate driving regions at two ends of the flexible display panel, wherein the flexible display panel comprises two arc-shaped edges which are bent oppositely, the gate driving region extends from the inner surface of the flexible display panel, and the bending device comprises: the flexible display panel is arranged on the surface of the bearing table, the magnetic body is attached to the outer surface of the bearing table, the grid driving area faces back to the outer surface of the bearing table, the electromagnet is electrified to generate a magnetic field to adsorb the magnetic body so that the magnetic body drives the grid driving area to bend in the direction of the bearing table.
The magnetic body is provided with an adhesive surface, and the adhesive surface is adhered to the outer surface of the grid driving area.
The grid driving region bending device comprises an air bag and a supporting table which supports and drives the air bag to move, and the air bag uniformly supports against the outer surface of the grid driving region which is bent.
The grid driving region bending device comprises a gas pipeline communicated with the air bag and a gas storage tank communicated with the gas pipeline, and gas in the gas storage tank flows into the air bag through the gas pipeline.
And the inner surface of the flexible display panel is provided with a double-sided adhesive tape, and the gate driving area is adhered to the flexible display panel through the double-sided adhesive tape after being bent.
The invention provides a bending method of a gate driving area of a flexible display panel, which is used for bending the gate driving areas at two ends of the flexible display panel, wherein the flexible display panel comprises two arc-shaped edges which are bent oppositely, the gate driving area extends out of the edge of the arc-shaped edge from the inner surface of the flexible display panel, and the method comprises the following steps:
adhering magnetic bodies to the outer surfaces of the gate driving areas at the two ends of the flexible display panel, wherein the magnetic bodies are mutually abutted with the end surfaces of the arc-shaped edges;
placing the flexible display panel on a bearing table, and presetting a preset magnetic field intensity and preset conduction magnetic field time by a bending device;
and starting the electromagnet, wherein the magnetic body drives the grid driving area to bend towards the bearing table within the preset magnetic field intensity and preset conduction magnetic field time.
The step of sticking the magnetic bodies to the outer surfaces of the gate driving areas at the two ends of the flexible display panel comprises arranging adhesive surfaces on the magnetic bodies, wherein the adhesive surfaces are stuck to the outer surfaces of the gate driving areas.
The range of the preset magnetic field intensity is 0.5-1 Tesla, and the preset conduction magnetic field time is 2-10 seconds.
And starting the electromagnet, wherein after the magnetic body drives the grid driving area to bend towards the bearing table within the preset magnetic field intensity and the preset conduction magnetic field time, the method further comprises starting an air bag, and the air bag is simultaneously and uniformly pressed on the bent grid driving area at the two ends of the flexible display panel.
Wherein activating the airbag includes opening a gas storage tank, and gas in the gas storage tank flows into the airbag through a gas pipe.
Therefore, according to the embodiment of the invention, the magnetic bodies adhered to the gate driving areas at the two ends of the flexible display panel are placed on the bearing table, and the electromagnet is switched on, so that the magnetic bodies drive the gate driving areas to be bent in a magnetic field generated by the electromagnet, and the gate driving areas at the two ends of the flexible display panel are bent along the inner surface of the flexible display panel. And simultaneously and uniformly pressing the grid driving areas of the flexible display panel by utilizing the air bag, so that the grid driving areas at the two ends of the flexible display panel are tightly and uniformly attached to the inner surface of the flexible display panel. The gate driving region bending device and method can quickly and simply bend the gate driving region, thereby reducing the investment of labor cost.
Drawings
To more clearly illustrate the structural features and effects of the present invention, a detailed description is given below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of a gate driving region bending device according to an embodiment of the invention.
Fig. 2 is a structural top view of a flexible display device according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a bent structure of the gate driving region.
FIG. 4 is a schematic view of the combination of the airbag and the support base of FIG. 1.
Fig. 5 is a flowchart illustrating a gate driving region bending method according to an embodiment of the invention.
Fig. 6 is a schematic structural diagram of an air bag laminated gate driving region.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a gate driving region bending device according to the present invention. A gate driving region bending device of a flexible display panel 10 is used for bending gate driving regions 11 at two ends of the flexible display panel 10. The flexible display panel 10 includes two opposite bent arc-shaped sides 12, and the gate driving region 11 extends from an inner surface of the flexible display panel 10. The gate driving region bending apparatus includes: an electromagnet 30, a carrier 20 attached to the surface of the electromagnet 30, and a magnetic body 40 positioned above the carrier 20. The flexible display panel 10 is disposed on the surface of the carrier 20, the magnetic body 40 is attached to the surface of the gate driving region 11, and the electromagnet 30 is energized to generate a magnetic field so that the magnetic body 40 drives the gate driving region 11 to bend toward the carrier 20.
The gate driving region bending device of the present invention can utilize the magnetic body 40 to drive the gate driving regions 11 at the two ends of the flexible display panel 10 to be rapidly and stably bent at the same time under the action of the magnetic field, thereby preventing the flexible display panel 10 from shifting and cracking or generating cracks relative to the flexible display panel 10 in the bending process of the gate driving regions 11 and correspondingly reducing the investment of manpower and material costs.
As shown in fig. 3, the magnetic body 40 in this embodiment is a flexible magnetic body, and can be stretched and bent in three dimensions. When the flexible magnetic body drives the gate driving region 11 to bend under the action of the magnetic field, the gap between the gate driving region 11 and the flexible display panel 10 can be reduced. The flexible magnetic body is provided with an adhesive surface. The surface of the adhesive surface is provided with a release film. The release film is used for protecting the adhesive surface on the surface of the flexible magnetic body from being damaged. The adhesive surface of the flexible magnetic body is attached to the outer surface of the gate driving region 11. The flexible magnetic body is completely overlapped with the gate driving region 11, after the electromagnet 30 is started, the electromagnet 30 generates a magnetic field, the flexible magnetic body is driven by the magnetic field to bend towards the inner surface of the flexible display panel 10, and at this time, the bent gate driving region 11 and the inner surface of the flexible display panel 10 are gradually attached to each other. Therefore, the gate driving region 11 can be bent quickly and easily by the flexible magnetic body under the action of the magnetic field,
in this embodiment, the inner surface of the flexible display panel 10 is provided with a double-sided tape 13, and the gate driving region 11 is adhered to the flexible display panel 10 through the double-sided tape 13 after being bent. When the magnetic body 40 drives the gate driving region 11 to bend under the action of the magnetic field of the electromagnet 30, the double-sided tape 13 can promote the gate driving region 11 and the flexible display panel 10 to be attached to each other, and can also avoid the situation that the distance between the gate driving region 11 and the inner surface of the flexible display panel 10 is increased due to the influence of restoring force after the gate driving region 11 is bent, so that the gate driving region 11 and the flexible display panel 10 cannot be attached to each other. Therefore, the double-sided tape 13 disposed on the inner surface of the flexible display panel 10 can firmly attach the gate driving region 11 to the flexible display panel 10.
As shown in fig. 4, the gate driving region bending apparatus includes an air bag 50 and a support stand 60 connecting the air bag 50. In this embodiment, the airbag 50 is made of a rubber material, and can be expanded after being inflated to press the bent gate driving area 11, and can be folded and recovered after releasing the gas, so as to reduce the storage space. In other embodiments, the balloon 50 may be made of other materials. When the air bag 50 is in an expanded state, the bent gate driving regions 11 are uniformly pressed by the air bag 50 at the same time, so that the gate driving regions 11 at the two ends of the flexible display panel 10 are further closely and uniformly attached to the flexible display panel 10 through the double-sided adhesive tape 13, the gap between the gate driving region 11 and the flexible display panel 10 is reduced, and the attaching firmness and the attaching precision of the gate driving region 11 and the flexible display panel are improved. The support table 60 is used for supporting and moving the airbag 50. When the flexible display panel 10 is placed on the carrier 20, the support table 60 drives the air bag 50 to move, so that the air bag 50 is located right above the flexible display panel 10. When the gate driving region 11 of the flexible display panel 10 is completely attached to the flexible display panel 10, the support table 60 drives the air bag 50 to move away from the flexible display panel 10. Therefore, by pressing the support table 60 and the air bag 50 onto the gate driving region 11, the gate driving region 11 and the flexible display panel 10 can be further closely attached through the double-sided tape 13.
In the present embodiment, a gas pipe (not shown) communicating with the airbag 50 and a gas tank communicating with the gas pipe are provided in the support table 60, and gas in the gas tank flows into the airbag 50 through the gas pipe. In this embodiment, the number of the gas pipes is two, one is used for introducing gas into the airbag 50, and the other is used for recovering the gas in the airbag 50. In other embodiments, the number of gas pipelines can be flexibly designed according to actual conditions. Each of the gas lines and the bladder 50 is provided with a valve such that when gas is introduced, a first valve of the first gas line is opened and a second valve of the second gas line is closed. When the gas is recovered, the first valve of the first gas pipeline is closed, and the second valve of the second gas pipeline is opened.
In this embodiment, the gate driving region bending apparatus includes a controller, and the controller is configured to control the operation and the stop of the gate driving region bending apparatus. Specifically, the controller includes a storage unit for storing parameters such as a preset magnetic field strength, a preset conduction magnetic field time, a preset pressing pressure, and a preset pressing time. And the processing unit is used for controlling the opening and the operation of the electromagnet 30, the support table 60, the gas storage tank, the first valve and the second valve according to the preset magnetic field intensity, the preset conduction magnetic field time, the preset pressing pressure and the preset pressing time. In this embodiment, the storage unit stores a predetermined magnetic field strength within a range of 0.5 to 1 tesla, a predetermined conduction magnetic field time is 2 to 10 seconds, a predetermined pressing pressure range is 0.1 to 0.5 mpa, and a predetermined pressing time range is 5 to 10 seconds. In other embodiments, the preset magnetic field strength, the preset conduction magnetic field time, the preset pressing pressure and the preset pressing time may be in other ranges, and are flexibly set according to actual conditions. The processing unit controls the electromagnet 30 to generate a magnetic field according to the preset magnetic field strength, the preset conduction magnetic field time and other parameters, and enables the magnetic body 40 to bend the gate driving area 11 under the magnetic field. Further, the gas storage tank is controlled to be opened, the first valve is controlled to be opened, and the second valve is controlled to be closed according to the preset pressing pressure and the preset pressing time, so that the gas is filled into the airbag 50. After the air bag 50 is pressed on the grid driving area 11, the processing unit closes the gas storage tank, closes the first valve and opens the second valve, and recovers the gas in the air bag 50.
According to the gate driving region bending device, the magnetic body 40 adhered to the gate driving regions 11 at two ends of the flexible display panel 10 is placed on the bearing table 20, and the electromagnet 30 is turned on, so that the magnetic body 40 drives the gate driving regions 11 to be bent in a magnetic field generated by the electromagnet 30, and therefore the gate driving regions 11 at two ends of the flexible display panel 10 are quickly and stably bent. And then, the air bag 50 is used to uniformly press the gate driving regions 11 in the flexible display panel 10 at the same time, so that the gaps between the gate driving regions 11 at the two ends of the flexible display panel 10 and the flexible display panel 10 are reduced, and thus the flexible display panel is tightly attached. The gate driving region bending device can quickly and simply bend the gate driving region 11, can improve the bonding precision and the bonding firmness of the gate driving region 11 and the flexible display panel 10, and can realize that the gate driving regions 11 at two ends of the flexible display panel 10 are simultaneously bent, thereby reducing the investment of manpower cost.
Referring to fig. 5 and fig. 6, fig. 5 is a bending method of a gate driving region 11 of a flexible display panel 10, for bending the gate driving regions 11 at two ends of the flexible display panel 10, where the flexible display panel 11 includes two curved edges 12 bent oppositely, and the gate driving region 11 extends from an inner surface of the flexible display panel 10 to an edge of the curved edge 12, and includes:
step S10, adhering magnetic bodies 40 to the outer surfaces of the gate driving regions 11 at both ends of the flexible display panel 10, wherein the magnetic bodies 40 abut against the end surfaces of the arc-shaped sides 12; specifically, in this embodiment, the magnetic body 40 is a flexible magnetic body, and the flexible magnetic body is provided with an adhesive surface. The surface of the adhesive surface is provided with a release film. The release film is used for protecting the adhesive surface on the surface of the flexible magnetic body from being damaged. The adhesive surface of the flexible magnetic body is attached to the outer surface of the gate driving region 11. The flexible magnetic body covers the gate driving region 11 so that the bent gate driving region 11 can be completely attached to the flexible display panel 10.
Step S20, placing the flexible display panel 10 on the carrier 20, and presetting a preset magnetic field strength and preset conduction magnetic field time by the bending device; in the process, the range of the preset magnetic field intensity is 0.5-1 Tesla, and the preset conduction magnetic field time is 2-10 seconds. In this embodiment, the preset magnetic field strength of the gate driving region bending device is 0.6 tesla, and the preset conduction magnetic field time is 5 seconds.
In step S30, the electromagnet 30 is activated, and the magnetic body 40 drives the gate driving region 11 to bend toward the carrier 20 within the preset magnetic field strength and the preset conduction magnetic field time. The magnetic body 40 is driven by the electromagnet 30 to generate a magnetic field, so that the gate driving regions 11 at two ends of the flexible display panel 10 are rapidly and stably bent.
In this embodiment, the starting electromagnet 30 includes a starting airbag 50 after the magnetic body 40 drives the gate driving region 11 to bend towards the direction of the carrier 20 within the time of the preset magnetic field strength and the preset conduction magnetic field, and the airbag 50 simultaneously and uniformly presses the bent gate driving regions 11 at the two ends of the flexible display panel 10. Specifically, in this embodiment, the storage unit of the controller stores the preset pressing pressure within a range of 0.1 to 0.5 mpa, and the preset pressing time is within a range of 5 to 10 seconds. In other embodiments, the predetermined pressing pressure and the predetermined pressing time may be in other ranges. In the process, the preset pressing pressure is 0.1 MPa, and the preset pressing time is 5 seconds. The processing unit of the controller controls the gas storage tank to be opened, the first valve to be opened and the second valve to be closed according to the preset pressing pressure and the preset pressing time so as to fill the gas into the gas bag 50. After the air bag 50 is pressed on the grid driving area 11, the processing unit closes the gas storage tank, closes the first valve and opens the second valve, and recovers the gas in the air bag 50. The bent gate driving regions 11 at the two ends of the flexible display panel 10 are uniformly pressed by the air bags 50, so that the gate driving regions 11 are tightly attached to the inner surface of the flexible display panel 10 through the double-sided adhesive tapes 13, and the attaching precision and the attaching firmness of the gate driving regions 11 and the flexible display panel 10 are improved.
The gate driving region bending method of the flexible display panel 10 of the present invention is implemented by the gate driving region bending apparatus. The gate driving region bending method can stably and rapidly bend the gate driving region 11, avoids the gate driving region 11 from shifting relative to the flexible display panel 10 and avoids the flexible display panel 10 from cracking or generating cracks in the bending process, so that the fitting accuracy and the fitting firmness of the gate driving region 11 and the flexible display panel 10 are improved, the gate driving regions 11 at two ends of the flexible display panel 10 can also be rapidly bent at the same time, and the investment of manpower cost is reduced.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a device is buckled in flexible display panel's gate drive region for buckle the gate drive region at flexible display panel both ends, flexible display panel includes two arc limits of buckling relatively, the gate drive region by flexible display panel's internal surface extends the edge on arc limit, its characterized in that, the device of buckling includes: the flexible display panel is arranged on the surface of the bearing table, the magnetic body is attached to the outer surface of the bearing table, the grid driving area faces the outer surface of the bearing table, the electromagnet is electrified to generate a magnetic field to adsorb the magnetic body so that the magnetic body drives the grid driving area to bend in the direction of the bearing table.
2. The device of claim 1, wherein the magnetic body has an adhesive surface, and the adhesive surface is adhered to an outer surface of the gate driving region.
3. The gate driving region bending apparatus of claim 1, wherein the gate driving region bending apparatus comprises an air bag and a support platform for supporting and driving the air bag to move, and the air bag uniformly presses against an outer surface of the bent gate driving region.
4. The gate driving region bending apparatus of claim 3, wherein the gate driving region bending apparatus comprises a gas pipe communicated with the gas cell and a gas storage tank communicated with the gas pipe, and gas in the gas storage tank flows into the gas cell through the gas pipe.
5. The device of claim 4, wherein the inner surface of the flexible display panel is provided with a double-sided adhesive tape, and the gate driving region is adhered to the flexible display panel by the double-sided adhesive tape after being bent.
6. A bending method of a grid driving area of a flexible display panel is used for bending the grid driving areas at two ends of the flexible display panel, the flexible display panel comprises two arc-shaped edges which are bent oppositely, and the grid driving area extends out of the edge of the arc-shaped edge from the inner surface of the flexible display panel;
the method comprises the following steps:
adhering magnetic bodies to the outer surfaces of the gate driving areas at the two ends of the flexible display panel, wherein the magnetic bodies are mutually abutted with the end surfaces of the arc-shaped edges;
placing the flexible display panel on a bearing table, wherein the bending device presets a preset magnetic field intensity and preset conduction magnetic field time;
and starting the electromagnet, wherein the magnetic body drives the grid driving area to bend towards the bearing table within the preset magnetic field intensity and preset conduction magnetic field time.
7. The method of claim 6, wherein the step of attaching the magnetic material to the outer surfaces of the gate driving regions at both ends of the flexible display panel comprises providing an adhesive surface on the magnetic material, wherein the adhesive surface is attached to the outer surface of the gate driving region.
8. The method of claim 6, wherein the predetermined magnetic field strength is in a range of 0.5 to 1 Tesla and the predetermined ON time is in a range of 2 to 10 seconds.
9. The method as claimed in claim 6, wherein after the step of activating the electromagnet and the magnetic body drives the gate driving region to bend toward the carrier within the predetermined magnetic field strength and the predetermined on-magnetic field time, the method further comprises activating an air bag, the air bag simultaneously and uniformly pressing the bent gate driving regions at two ends of the flexible display panel.
10. The method of claim 9, wherein activating the air bag comprises opening a gas storage tank, and gas in the gas storage tank flows into the air bag through a gas pipe.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711062535.1A CN107863310B (en) | 2017-10-30 | 2017-10-30 | Bending device and bending method for gate driving region |
| PCT/CN2018/073083 WO2019085276A1 (en) | 2017-10-30 | 2018-01-17 | Bending device and bending method for gate driving region |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711062535.1A CN107863310B (en) | 2017-10-30 | 2017-10-30 | Bending device and bending method for gate driving region |
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| CN107863310A CN107863310A (en) | 2018-03-30 |
| CN107863310B true CN107863310B (en) | 2020-03-10 |
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| WO (1) | WO2019085276A1 (en) |
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| CN107481622B (en) * | 2017-09-19 | 2020-04-14 | 武汉华星光电技术有限公司 | Flexible display panel and bending preparation method of GOA (Gate driver on array) area of flexible display panel |
| CN110827690B (en) * | 2019-11-26 | 2024-01-23 | 云谷（固安）科技有限公司 | Attaching device |
| CN112396968B (en) * | 2020-12-10 | 2022-05-06 | 厦门天马微电子有限公司 | Flexible display module, manufacturing method thereof and flexible display device |
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| CN107195792A (en) * | 2017-05-08 | 2017-09-22 | 武汉华星光电技术有限公司 | The manufacture device and method of curved face display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019085276A1 (en) | 2019-05-09 |
| CN107863310A (en) | 2018-03-30 |
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