CN106292002A - Application of a surface device and method - Google Patents

Abstract

The invention discloses a curved surface bonding device and method, belonging to the field of display technology. The curved surface bonding device includes: a control module, a base, and a plurality of grabbing arms protruding from the lower surface of the base, one end of each grabbing arm is connected to the base, and the other end is provided with An adsorption module, the height of each of the grabbing arms protruding from the lower surface of the abutment is adjustable; the control module is used to control the protruding of the plurality of grabbing arms from the The height of the base platform is such that the curvature of the curved surface formed by the other ends of the plurality of grasping arms matches the curvature of the curved display panel. The invention can solve the technical problem of the lamination accuracy of the curved display panel and the curved backlight module, and can achieve the beneficial effect of improving the lamination accuracy of the curved display panel and the curved backlight module. The invention is used for bonding curved surfaces.

Description

Curved surface bonding device and method

technical field

The invention relates to the field of display technology, in particular to a curved surface bonding device and method.

Background technique

With the development of display technology, the current mainstream flat-panel display devices are showing more and more disadvantages: poor display effect at both ends and easy visual fatigue. In this case, a curved display device emerges as the times require. A curved display device is a display device with a curved screen, which has the advantages of visual comfort, no loss of images on both sides, and strong stereoscopic viewing.

At present, in liquid crystal display (English: Liquid Crystal Display; abbreviation: LCD) curved surface display device, its curved screen includes: curved surface display panel and curved surface backlight module. Fitting, and requires a stable workbench and high working precision during the fitting process. The currently widely used curved surface bonding devices include: a carrier, an adsorption unit and a bonding roller. There are multiple sub-tables with different heights at the bottom of the carrier. The sub-tables can move horizontally on the platform of the carrier for curvature adjustment. A retractable adsorption unit is installed in the center of the carrier. The adsorption unit can The curved surface backlight module is adsorbed and fixed, and the curved surface backlight module reaches the target curvature under the adjustment of the sub-table. There is an adhesive layer on the curved surface backlight module. After the curved surface display panel is covered on the curved surface backlight module, the laminating rollers installed on the side of the carrier roll above the curved surface display panel, so that the curved surface display panel and the curved surface backlight module fit.

In the prior art, the bonding of the curved display panel and the curved backlight module is realized by rolling the rollers, which easily causes uneven force on the curved display panel and affects the bonding accuracy of the curved display panel and the curved backlight module.

Contents of the invention

In order to solve the technical problem of lamination accuracy of the curved display panel and the curved backlight module in the prior art, the present invention provides a curved surface lamination device and method. Described technical scheme is as follows:

In one aspect, a curved surface lamination device is provided, the device comprising:

A control module, a base, and a plurality of grabbing arms protruding from the lower surface of the base, one end of each grabbing arm is connected to the base, and an adsorption module is provided at the other end, and each grabbing arm The height of the extraction arm protruding from the lower surface of the abutment is adjustable;

The control module is used to control the height of the plurality of grabbing arms protruding from the base according to the curvature of the curved display panel, so that the curvature of the curved surface formed by the other ends of the plurality of grabbing arms is the same as that of the curved surface. Curved surfaces match the curvature of the display panel.

Optionally, the device also includes:

a stage and a plurality of support arms protruding from the upper surface of the stage, the upper surface of the stage is opposite to the lower surface of the base, and one end of each support arm is connected to the stage , the height of each of the support arms protruding from the upper surface of the carrier is adjustable;

The multiple support arms are used to support the curved surface backlight module;

The control module is also used to control the height of the plurality of support arms protruding from the stage according to the curvature of the curved backlight module, so that the curvature of the curved surface formed by the other ends of the plurality of support arms is the same as The curvature of the curved surface backlight module is the same as the curvature matching.

Optionally, the other end of each support arm is provided with an adsorption module.

Optionally, the adsorption module is made of deformable material.

Optionally, the adsorption module is a vacuum suction cup, and each grabbing arm is provided with a cavity, and one end of the cavity communicates with a vacuum pump, and the other end of the cavity communicates with the vacuum suction cup.

Optionally, the device further includes: a motor connected to the control module,

Each grabbing arm is connected with a motor;

Each of the motors is used to drive the grabbing arm connected to the motor to move in a direction perpendicular to the lower surface of the base, so as to adjust the height of the grabbing arm protruding from the base.

Optionally, the device also includes: a motor,

The plurality of grabbing arms are arranged in a matrix on the lower surface of the abutment, and the grabbing arms in the same column are connected to a motor;

Each of the motors is used to drive the grabbing arm connected to the motor to move in a direction perpendicular to the lower surface of the base, so as to adjust the height of the grabbing arm protruding from the base.

Optionally, the device also includes:

a stage and a plurality of supporting bosses protruding from the upper surface of the stage, the upper surface of the stage is opposite to the lower surface of the base;

The plurality of supporting bosses are arranged in an array along the length direction or width direction of the carrier, and the heights of the plurality of supporting bosses protruding from the upper surface of the carrier gradually decrease from outside to inside. A supporting boss is used to support the curved surface backlight module.

Optionally, the device also includes:

a moving component, the moving component is connected to the upper surface of the abutment, and is used to drive the abutment to move under the control of the control module.

In another aspect, there is provided a method for bonding surfaces, the method comprising:

According to the curvature of the curved display panel, the height of the plurality of grabbing arms protruding from the base is controlled, so that the curvature of the curved surface formed by the ends of the plurality of grabbing arms away from the base is not the same as the curvature of the curved display panel. Same curvature matching;

The curved display panel is adsorbed by the adsorption modules of the plurality of grasping arms, and the curved display panel is attached to the curved backlight module.

The beneficial effects brought by the technical solution provided by the embodiments of the present invention are:

In the curved surface laminating device and method provided by the embodiments of the present invention, since multiple grabbing arms can absorb the curved display panel through the adsorption module on the grabbing arm, the control module can control the protrusion of the multiple grabbing arms according to the curvature of the curved display panel. Based on the height of the abutment, the curvature of the curved surface formed by the other ends of the multiple grasping arms matches the curvature of the curved display panel, ensuring that the curved display panel is evenly stressed, thereby improving the relationship between the curved display panel and the curved backlight module. Fitting precision.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is a schematic structural diagram of a curved surface bonding device provided by an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of a support device provided by an embodiment of the present invention;

Fig. 3 is a schematic diagram of an arrangement mode provided by an embodiment of the present invention;

Fig. 4 is a schematic diagram of a mobile component provided by an embodiment of the present invention;

Fig. 5 is a flow chart of a curved surface bonding method provided by an embodiment of the present invention.

Wherein, each label in the accompanying drawings is explained as follows:

Grab arm 1, base 2, curved display panel 3, adsorption module 4 on the grab arm, curved backlight module 5, adsorption module 6 on the support arm, support arm 7, carrier 8, support boss 9, Mobile assembly 10.

detailed description

In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

An embodiment of the present invention provides a curved surface bonding device. As shown in Figure 1, the surface bonding device includes:

Control module (not shown in Fig. 1), abutment 2 and a plurality of grasping arms 1 protruding from the lower surface of abutment 2, one end of each grabbing arm 1 is connected with abutment 2, and the other end is provided with adsorption In the module 4, the height of each grasping arm 1 protruding from the lower surface of the base 2 is adjustable. The control module is used to control the height of the plurality of grabbing arms 1 protruding from the base 2 according to the curvature of the curved display panel 3, so that the curvature of the curved surface formed by the other ends of the plurality of grabbing arms 1 is consistent with the curvature of the curved display panel 3 match. Wherein, the control module may be a processor or a control integrated circuit (English: Integrated Circuit; IC for short), and may be arranged inside or outside the base station, which is not limited in the embodiment of the present invention.

Optionally, the adsorption module 4 on the grabbing arm is a vacuum suction cup, and a cavity is arranged in each grabbing arm 1, and one end of the cavity communicates with a vacuum pump (not shown in Fig. 1 ), and the other end communicates with the vacuum suction cup . Under the action of the vacuum pump, the vacuum suction cup is attractive and can hold the curved display panel 3 . Since the vacuum pump technology has now matured, it will not be repeated here.

To sum up, since multiple grabbing arms can absorb the curved display panel through the adsorption module on the grabbing arm, the control module can control the height of the multiple grabbing arms protruding from the abutment according to the curvature of the curved display panel, so that multiple The curvature of the curved surface formed by the other end of the grabbing arm matches the curvature of the curved display panel, ensuring that the curved display panel is evenly stressed, thereby improving the lamination accuracy of the curved display panel and the curved backlight module.

In practical applications, there are many ways to support the backlight module, which is not limited in the embodiment of the present invention. The embodiment of the present invention uses the following two ways for illustration:

The first support method, as shown in Figure 1, the support structure of the backlight module is composed of a platform 8 and a plurality of support arms 7 protruding from the upper surface of the platform 8, the upper surface of the platform 8 and the base platform 2 The lower surface of each support arm 7 is oppositely arranged, and one end of each support arm 7 is connected with the stage 8, and the height of each support arm 7 protruding from the upper surface of the stage 8 is adjustable. The control module is also used to control the height of the plurality of support arms 7 protruding from the stage 8 according to the curvature of the curved backlight module 5, so that the curvature of the curved surface formed by the other ends of the plurality of support arms 7 is the same as that of the curved backlight module 5. Curvature matching.

Since the plurality of support arms support the curved surface backlight module, the control module can control the height of the plurality of support arms protruding from the stage according to the curvature of the curved surface backlight module, so that the curvature of the curved surface formed by the other ends of the plurality of support arms is consistent with the curvature of the curved surface. The curvature matching of the backlight module ensures uniform stress on the curved surface backlight module and realizes effective support for the curved surface backlight module.

Further, the other end of each support arm 7 can be provided with an adsorption module 6 on the support arm to support the curved surface backlight module 5 . Optionally, the adsorption module 6 on the support arm is a vacuum suction cup, and a cavity is provided in each support arm, and one end of the cavity communicates with a vacuum pump, and the other end of the cavity communicates with the vacuum suction cup. Under the action of the vacuum pump, the vacuum suction cup is attractive and can hold the front backlight module 5 . Since the vacuum pump technology has now matured, it will not be repeated here.

In the embodiment of the present invention, both the adsorption module on the grabbing arm and the adsorption module on the support arm are made of deformable materials (such as: silica gel), which can avoid scratches on the curved display panel or the curved backlight module, and reduce the Damage to curved display panels or curved backlight modules.

The second support method, as shown in Figure 2, the support structure of the backlight module consists of a carrier platform 8 and a plurality of support bosses 9 protruding from the upper surface of the carrier platform 8, the upper surface of the carrier platform 8 and the base platform 2 The lower surface is relatively set. A plurality of support bosses 9 are arranged in an array along the length direction or width direction of the carrier 8, and the height of the plurality of support bosses 9 protruding from the upper surface of the carrier 8 gradually decreases from outside to inside, and the plurality of support bosses 9 are used To support the curved surface backlight module 5 .

It should be noted that a moving guide rail may also be provided on the stage, and the plurality of supporting bosses may be arranged in the moving guide rail. When the plurality of supporting bosses support the curved surface backlight module, the control module can Curvature control Multiple support bosses move along the guide rail on the platform, so that the curvature of the curved surface formed by the other ends of the multiple support bosses matches the curvature of the curved backlight module, realizing effective support for the curved backlight module .

In the embodiment of the present invention, in the curved surface bonding device, the action of the grabbing arm 1 is realized by driving a motor (not shown in FIG. 1 ), and the grabbing arm 1 is arranged on the surface of the base 2 in a certain way , the embodiment of the present invention is schematically described by taking the following two arrangements as examples, and this embodiment does not specifically limit the arrangement.

The first arrangement, as shown in Figure 1, the curved surface bonding device also includes: a motor, the motor is connected to the control module, each grabbing arm 1 is connected to a motor, and each motor is used to drive the grabbing arm 1 connected to the motor. The fetching arm 1 moves along a direction perpendicular to the lower surface of the base 2 to adjust the height of the grabbing arm 1 protruding from the base 2 .

Although this arrangement uses a large number of motors, since each grabbing arm corresponds to a motor, the adjustment accuracy is high and the adjustment granularity is small, which can make the curvature of the curved surface formed by the other ends of the multiple grabbing arms more accurate. Matches the curvature of curved display panels.

The second arrangement method, as shown in Figure 3, the curved surface bonding device also includes: a motor, a plurality of grasping arms 1 are arranged in a matrix on the lower surface of the base 2, and the grasping arms 1 in the same column are connected There is a motor, and each motor is used to drive the grabbing arm 1 connected with the motor to move in a direction perpendicular to the lower surface of the base 2 to adjust the height of the grabbing arm 1 protruding from the base 2 .

This arrangement way drives the grabbing arm connected with the motor to move along the direction perpendicular to the lower surface of the abutment to realize the adjustment of each row of grabbing arms and improve the consistency of the grabbing arm adjustment. Compared with the previous one way to reduce the number of motors.

In the above two arrangements, the motor can be set at the preset position of the abutment, such as opening a groove on the abutment, setting the motor in the groove, and correspondingly connecting with the grabbing arm, or the motor can also be It is arranged outside the base, which is not limited in this embodiment of the present invention.

It should be noted that, in the first support mode of the backlight module, the arrangement mode of the support arm and the motor on the stage can also be arranged in any of the above two modes, which is not discussed in the embodiment of the present invention. Do repeat.

Further, as shown in FIG. 4 , the curved surface bonding device may further include: a moving component 10 , which is fixed at a preset position and connected to the upper surface of the base 2 . Under the control of the control module, the abutment 2 is driven to move, and the position of the abutment 2 is automatically adjusted.

To sum up, in the curved surface bonding device provided by the embodiment of the present invention, since multiple grabbing arms can absorb curved display panels through the adsorption modules on the grabbing arms, the control module can control multiple grabbing arms according to the curvature of the curved display panel. The arms protrude from the height of the abutment, so that the curvature of the curved surface formed by the other ends of the multiple grasping arms matches the curvature of the curved display panel, ensuring that the curved display panel is evenly stressed, thereby improving the performance of the curved display panel and the curved backlight. Fitting accuracy of modules.

The embodiment of the present invention also provides a curved surface bonding method, which can be applied to the curved surface bonding device of the embodiment of the present invention, as shown in FIG. 5 , the process flow of the method is as follows:

Step 501, according to the curvature of the curved display panel, control the height of the plurality of grasping arms protruding from the base, so that the curvature of the curved surface formed by the ends of the multiple grasping arms away from the base is the same as the curvature of the curved display panel. .

Step 502 , the curved display panel is adsorbed by the adsorption modules of the plurality of grasping arms, and the curved display panel is attached to the curved backlight module.

In the curved surface bonding method provided by the embodiment of the present invention, since the plurality of grabbing arms can absorb the curved display panel through the adsorption module, the control module can control the plurality of grabbing arms to protrude from the base according to the curvature of the curved display panel height, so that the curvature of the curved surface formed by the other ends of the plurality of grasping arms matches the curvature of the curved display panel, ensuring that the curved display panel is evenly stressed. Therefore, it is not necessary to use The rollers can realize the lamination of the curved display panel and the curved backlight module, thereby improving the lamination accuracy of the curved display panel and the curved backlight module.

Those skilled in the art can clearly understand that for the convenience and brevity of the description, the specific steps of the method described above can refer to the corresponding process in the embodiment of the above-mentioned curved surface bonding device, and will not be repeated here.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (10)

1. A curved surface bonding device, characterized in that, comprising: A control module, a base, and a plurality of grabbing arms protruding from the lower surface of the base, one end of each grabbing arm is connected to the base, and an adsorption module is provided at the other end, and each grabbing arm The height of the extraction arm protruding from the lower surface of the abutment is adjustable; The control module is used to control the height of the plurality of grabbing arms protruding from the base according to the curvature of the curved display panel, so that the curvature of the curved surface formed by the other ends of the plurality of grabbing arms is the same as that of the curved surface. Curved surfaces match the curvature of the display panel. 2. The device according to claim 1, further comprising: a stage and a plurality of support arms protruding from the upper surface of the stage, the upper surface of the stage is opposite to the lower surface of the base, and one end of each support arm is connected to the stage , the height of each of the support arms protruding from the upper surface of the carrier is adjustable; The multiple support arms are used to support the curved surface backlight module; The control module is also used to control the height of the plurality of support arms protruding from the stage according to the curvature of the curved backlight module, so that the curvature of the curved surface formed by the other ends of the plurality of support arms is the same as The curvature of the curved surface backlight module is the same as the curvature matching. 3. The device according to claim 2, characterized in that, the other end of each support arm is provided with an adsorption module. 4. The device according to any one of claims 1 to 3, wherein the adsorption module is made of deformable material. 5. The device according to claim 1, wherein the adsorption module is a vacuum suction cup, and a cavity is provided in each grabbing arm, one end of the cavity communicates with a vacuum pump, and the other end communicates with the vacuum pump. connected to the vacuum chuck. 6. The device according to claim 1, further comprising: a motor connected to the control module, Each grabbing arm is connected with a motor; Each of the motors is used to drive the grabbing arm connected to the motor to move in a direction perpendicular to the lower surface of the base, so as to adjust the height of the grabbing arm protruding from the base. 7. The device according to claim 1, further comprising: a motor, The plurality of grabbing arms are arranged in a matrix on the lower surface of the abutment, and the grabbing arms in the same column are connected to a motor; Each of the motors is used to drive the grabbing arm connected to the motor to move in a direction perpendicular to the lower surface of the base, so as to adjust the height of the grabbing arm protruding from the base. 8. The device according to claim 1, further comprising: a stage and a plurality of supporting bosses protruding from the upper surface of the stage, the upper surface of the stage is opposite to the lower surface of the base; The plurality of supporting bosses are arranged in an array along the length direction or width direction of the carrier, and the heights of the plurality of supporting bosses protruding from the upper surface of the carrier gradually decrease from outside to inside. A supporting boss is used to support the curved surface backlight module. 9. The device according to claim 1, further comprising: a moving component, the moving component is connected to the upper surface of the base, and is used to drive the base to move under the control of the control module. 10. A curved surface bonding method, characterized in that it is used for the curved surface bonding device described in any one of claims 1 to 9, said method comprising: According to the curvature of the curved display panel, the height of the plurality of grabbing arms protruding from the base is controlled, so that the curvature of the curved surface formed by the ends of the plurality of grabbing arms away from the base is not the same as the curvature of the curved display panel. Same curvature matching; The curved display panel is adsorbed by the adsorption modules of the plurality of grasping arms, and the curved display panel is attached to the curved backlight module.