JP6174189B2 - Display panel peeling device - Google Patents

Description

  The present invention relates to a display panel peeling apparatus, and more particularly to a display panel peeling apparatus for precisely peeling a display panel whose appearance has been impaired. According to the display panel peeling apparatus according to the present invention, not only a flat display panel but also a display panel having a curved edge portion can be peeled precisely.

  Mobile electronic devices include, for example, smartphones, digital TVs, personal computers (PCs), notebook computers, PDAs, PMPs, navigations, etc., and such electronic devices are sold as flat display devices or touch panels. Demand for panel products is increasing.

  Examples of the flat panel display include a liquid crystal display (LCD), a plasma display (PDP), and an organic light emitting diode (OLED).

  Liquid crystal display devices are widely used as display devices for various digital devices because of their features such as light weight, thinness, low power drive, full color, and high resolution.

  A liquid crystal display device is manufactured by attaching a polarizing plate and a backlight unit to a liquid crystal display panel that controls light transmittance, and a plasma display device is manufactured by arranging electrodes that cross each other on two facing panels. .

  Various flat panel display devices such as liquid crystal display devices and plasma display devices are manufactured by attaching panels having various functions including a transparent protective plate to the flat panel display panel.

  The touch panel is a device that is provided on a display surface of various flat panel display devices and allows a user to select and input desired information while viewing the display device.

  The touch panel includes a resistive film type, a capacitive type, an electromagnetic type (Electro-Magnetic (EM) Type), a SAW type (Surface Acoustic Wave Type), and an infrared type (Infrared type). and so on.

  Such a touch panel is manufactured by attaching a transparent conductive electrode panel to a window panel made of a transparent material.

  As described above, the mobile electronic device includes a display device for providing a user with visual information such as an image or an image in order to support various functions.

  In recent years, as various parts for driving a display device are miniaturized, an electronic device is processed with a bent edge portion so that the appearance can be improved, the comfort can be given, and the function can be given. Therefore, the share of electronic devices having such an edge portion is increasing.

  Meanwhile, as the use of portable display devices increases, a recycling step (Recycle step) for repairing a product that has failed due to an external impact is frequently performed.

  Patent Document 1 is proposed for a display panel recycling step.

  According to this patent document, after irradiating the outer material attached to one surface of the panel with a laser beam, the outer material can be peeled off using the separation member, the separation member, and the adhesive member.

  In such a peeling process, an expensive laser beam equipment is used, and a number of working devices must be provided independently. In addition, the peeling process can be performed only on a flat display panel, and there is a limit to applying it to display panels having various shapes, for example, curved edges.

      Republic of Korea Published Patent No. 2012-0137868

  The present invention has been devised to solve the above-mentioned conventional problems, and the present invention provides a display panel peeling apparatus for precisely peeling a display panel whose appearance is impaired. There is a purpose to do.

  Another object of the present invention is to provide a display panel peeling apparatus capable of precisely peeling not only flat display panels but also various shapes of display panels such as having bent edges. is there.

  In order to achieve the above object, a display panel peeling apparatus according to an example of the present invention includes a support, a rotating device disposed above the support, and a seating surface to which the panel is fixed. The rotating device includes a seating plate that is fixed at one end and rotated by the rotational force of the rotating device, and a cutting wire that is disposed adjacent to the seating plate.

  The rotating device has a cylindrical shape, and a hollow portion, a rotating portion, and a fixing portion are provided in this order from the central portion toward the outer peripheral surface, and one end of the seating plate is fixed to the rotating portion, and the hollow portion is The cutting wire may be disposed through.

  A guide member having a guide hole is further provided at the other end of the support so that the cutting wire penetrates the inside of the support, and the guide member is a cylinder whose center is positioned in line with the center of the rotating device. It may be comprised from the shape-shaped head and the support part extended from the outer peripheral surface of the said head, and connecting with the other end of the said support body.

  Further, the rotating device may have a cylindrical shape, and a rotating part and a fixing part may be sequentially provided from a central part toward an outer peripheral surface, and one end of the seating plate may be fixed to the rotating part.

  The seating plate may have a shape in which one end or both ends are bent, and the seating plate may be further provided with a heat ray heating type or a surface phase heating type electric heating member.

  Winders for maintaining the parallel force of the cutting wire may be connected to both ends of the cutting wire.

  The display panel peeling apparatus may further include an angle adjusting means for adjusting the angle of the cutting wire.

  A rotating means for transmitting a rotational force to the support may be further provided below the support.

  The lower part of the said support body may be further provided with the transfer means which enables the said support body to move linearly.

  According to the present invention described above, a display panel whose appearance is impaired can be precisely and easily peeled off.

  In addition, according to the present invention, not only a flat display panel but also a display panel having various shapes such as a curved edge portion can be precisely peeled.

  It should be understood that the effects of the present invention are not limited to the effects described above, but include all effects obtained from the detailed description of the present invention or the structure of the invention described in the claims. .

It is a perspective view which shows the peeling apparatus of the panel for a display which concerns on one Example of this invention. It is a figure which shows the rotation means and transfer means in the peeling apparatus of the display panel which concerns on one Example of this invention. It is a front view which shows the peeling apparatus of the panel for a display which concerns on one Example of this invention. It is a figure which shows the electrothermal member embed | buried under the seating plate of the peeling apparatus of the display panel which concerns on one Example of this invention. It is a figure which shows roughly the peeling object body peeled by the peeling apparatus of the display panel which concerns on one Example of this invention. It is a figure for demonstrating the peeling process performed by the peeling apparatus of the display panel which concerns on one Example of this invention. It is a perspective view which shows the principal part of the peeling apparatus of the display panel which concerns on the other Example of this invention.

  Hereinafter, a display panel peeling apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

  In the description of the present invention, the size and shape of components in the drawings can be exaggerated or simplified for clarity and convenience of description. In addition, terms specifically defined in consideration of the configuration and operation of the present invention may be changed depending on the intention or relationship of the user or operator. These terms should be interpreted as meanings and concepts consistent with the technical idea of the present invention based on the contents throughout this specification.

  Throughout the specification, when a part is “connected” to another part, this is not only when it is “directly connected”, but with other members interposed between them. This includes cases where it is “indirectly linked”. Also, when a part is “comprising” a certain component, this means that it does not mean to exclude other components, but may include other components unless otherwise specified. To do.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

  1 to 3 are views showing a display panel peeling apparatus according to the present invention.

  As shown in FIGS. 1 to 3, the display panel peeling apparatus 100 according to this embodiment includes a support 110, a cutting wire 5, a rotating device 120, and a seating plate 140.

  The support 110 is formed of a structure having a square plate shape or a shape that gives an overall sense of stability in the arrangement of other attachment means.

  The cutting wire 5 is disposed above the support 110 and extends in the length direction adjacent to the seating plate 140.

  At both ends of the cutting wire 5, a winder 10 for maintaining and fixing the cutting wire 5 with a parallel force in one direction and an angle adjusting means 20 for adjusting the peeling angle of the cutting wire 5 may be further provided. it can.

  Although not specifically shown, the angle adjusting means 20 is disposed adjacent to the roller portion that guides the cutting wire 5, and applies a pressure to the roller portion to specify the roller portion. An actuator that moves in the direction may be provided.

  The cutting wire 5 may peel the peeling target body horizontally with one side of the peeling target body (panel) A. By the action of the angle adjusting means 20, The object to be peeled may be peeled off in the oblique direction.

  The cutting wire 5 is not directly connected to the rotating device 120. As will be described later, the rotating device 120 rotates, and the cutting object 5 is rotated by the rotation of the rotating device 120, and the cutting wire 5 moves the bent edge portion of the peeling target body A while rotating. Because of peeling, the cutting wire 5 is not physically directly connected to the rotating device 120.

  Similarly, the cutting wire 5, the winder 10, and the angle adjusting means 20 are not directly connected to the support 110. As will be described later, since the separation object A seated and fixed on the seating plate 140 moves linearly by the operation of the transfer means 170, the cutting wire 5 separates the plane portion of the separation object A. The wire 5, the winder 10, and the angle adjusting means 20 are not physically connected directly to the support 110.

  The rotating device 120 is disposed at one end of the support 110.

  The rotating device 120 has a cylindrical shape, is disposed at one end of the support 110, and is provided with a hollow portion 121 so that the cutting wire 5 penetrates the inside.

  The rotating device 120 can include a rotating part 122 to which one end of the seating plate 140 is fixed, and a fixing part 123 provided on the outer peripheral surface of the rotating part 122.

  That is, the rotating device 120 can arrange the hollow part 121, the rotating part 122, and the fixing part 123 in this order from the central part toward the outer peripheral surface.

  The rotating device 120 may include a DD (Direct drive) motor as a power source so as to transmit a rotational force to a seating plate 140 described later, but is not limited thereto, and the rotating unit 122 is forward or backward. Any power source can be used as long as it can be rotated. When the rotating device 120 includes the rotating portion 122 and the fixing portion 123, a power source is provided inside the fixing portion 123, and the overall structure of the device can be made into a Compaq. Of course, the fixing device 123 may be omitted from the rotating device 120, and in that case, a separate rotating actuator connected to the rotating unit 122 may apply a rotational force to the rotating unit 122.

  Meanwhile, a guide means 130 having a guide hole 131 may be further provided at the other end of the support 110 so that the cutting wire 5 penetrates the inside. The guide means 130 has a function of preventing a sag phenomenon of the seating plate 140 that may occur during the peeling process.

  The guide means 130 has a center located on a straight line with the center of the rotating device 120, and a cylindrical head 132 having a guide hole 131 therein, and extends from the outer peripheral surface of the head 132 to the other of the support 110. And a support part 133 connected to the end.

  Although not shown, the guide means 130 is provided with a kind of rotating portion that performs the same function as the rotating portion 122 of the rotating device 120, and the other end of the seating plate 140 is connected to or adjacent to the rotating portion. Accordingly, the seating plate 140 can be prevented from sagging and the seating plate 140 can be rotated more stably.

  The seating plate 140 includes a seating surface 141 to which the separation target A is fixed, and a suction hole 142 connected to a vacuum pressure generating facility (not shown). The object A to be peeled is fixed to the seating surface 141 of the seating plate 140 by an attracting force generated from a vacuum pressure generating facility (not shown).

  One of the main features of the present invention is that not only a flat panel but also a panel having a bent edge is precisely peeled, so that one or both ends of the seating plate 140 have a bent edge. It is preferable to have a bent shape so as to correspond to.

  One end of the seating plate 140 is coupled to the rotating device 120, more specifically the rotating unit 122, and rotates by the rotational force of the rotating device 120.

  The structure in which the object to be peeled is seated and fixed to the seating plate is not limited to the above-described structure, and may include various structures such as clamping means and pusher means.

  In addition, as shown in FIG. 4, the seating plate 140 may further be provided with a heat ray heating type or surface phase heating type electric heating member. FIG. 4A shows a hot-wire heat generating type electric heating member H1. In such an electric heating member, the hot wire is buried in the seating plate 140, and the direction is changed around a specific suction hole 142 and extended. Yes. FIG. 4 b shows a surface heat generation type electric heating member H 2, which is made of a material such as a thin metal plate and buried between a plurality of suction holes 142. As described above, when the seating plate 140 is provided with the electrothermal member, and the peeling target body A seated and fixed on the seating plate 140 is heated, the bonding portion is softened and smoother peeling is enabled. Can do. In the present embodiment, the actual shape of the electric heating member embedded in the seating plate 140 is the heat ray heating type and the surface phase heating type, but the invention is not limited thereto, and various types of electric heating members may be used.

  On the other hand, below the support 110, the rotation means 150, the transfer plate 160, and the transfer means 170 can be sequentially arranged.

  The rotation unit 150 may be configured to be disposed below the support 110 and transmit a rotational force to the support 110.

  The transfer plate 160 may be disposed below the rotation unit 150 and may further include a transfer unit 170 that transmits forward and backward transfer forces to the transfer plate 160.

  Hereinafter, the configuration and operational relationship of the rotation unit 150 and the transfer unit 170 will be described.

  The rotating means 150 is a rotary shaft 151 arranged in the vertical direction on the lower surface of the support 110, and a support bearing 153 for rotatably supporting the support 110 and coupled to the upper part of the transfer plate 160. , And a rotary actuator 152 provided in the accommodation space 165 inside the transfer plate 160.

  The rotary actuator 152 rotates a rotary shaft 151 arranged in the vertical direction on the lower surface of the support 110, and the rotary shaft 151 is rotatably coupled to the support bearing 153.

  Therefore, when the rotating means 150 operates, the support 110 rotates about the rotation shaft 151 as the rotation center.

  The transfer means 170 is coupled to a pair of guide rails 175 for guiding the movement of the transfer plate 160, a lower surface of the transfer plate 160, a slider 174 slidably connected to the guide rail 175, and a lower surface of the transfer plate 160. A moving member 172 coupled to the transfer screw 173 and a moving actuator 171 for rotating the transfer screw 173 are provided. Therefore, when the transfer means 170 is operated, the support 110 moves linearly.

  The structures of the rotation means 150 and the transfer means 170 described above are not limited to those shown in the drawings, and may be changed to various structures that can rotate and transfer the support 110.

  Further, the arrangement order of the rotation means 150 and the transfer means 170 may be changed under the condition that the rotation means 150 and the transfer means 170 are coupled in a row to the lower part of the support 110, and the structure may be variously changed according to the arrangement order.

  Further, the rotation means 150 may be omitted, and only the transfer means 170 may be disposed at the lower part of the support 110. In this case, the transfer means 170 is directly coupled to the lower part of the support 110 instead of the lower part of the transfer plate 160. .

  Hereafter, the peeling process by the peeling apparatus of the display panel of this invention is demonstrated.

  In the following, the peeling of the panel peeling object having a bent edge portion provided only at one end will be described, but a panel having a bent edge portion provided at both ends and a panel having a planar shape can be peeled off. Needless to say.

  FIG. 5 is a view schematically showing a peeling target object to be peeled off by the display panel peeling apparatus according to the present invention, and FIGS. 6 to 8 are views for explaining a peeling process of the peeling target object. is there.

  The display panel peeling apparatus 100 according to the present invention can be applied to peeling panels having various structures. For convenience of explanation, the peeling process will be described with reference to the peeling object A shown in FIG. To do.

  That is, in the following, as shown in FIG. 5, the tempered glass material A1, the film material A3, and the organic light emitting material A5 are peeled off from the peeling object A joined by the optical transparent adhesives A2 and A4, respectively. This will be explained.

  First, as illustrated in FIG. 6A, the cutting wire 5 is positioned long in the length direction, and the separation target A fixed to the seating plate 140 approaches the cutting wire 5 by the rotation of the rotating device 120.

  Next, as shown in FIG. 6B, in the cutting wire 5 and the peeling target body A that are close to each other, the cutting wire 5 peels off the edge portion of the peeling target body A by the rotation of the rotating device 120. Finally, as shown in FIG. 6C, the entire bent edge portion is peeled off.

  FIG. 7 is a view for explaining the peeling process of the peeling object A by the rotating means 150. First, as shown in FIG. 7A, the bent edge portion of the peeling target body A comes into contact with the cutting wire 5 by the rotation of the rotating means 150.

  Next, as shown in FIG. 7B, after peeling the edge part on one side of the peeling object A by rotation of the rotating device 120, the rotating means 150 is returned to the original position, and by rotating the rotating device 120, As shown in FIGS. 7C and 7D, the entire bent edge portion is peeled off.

  FIG. 8 is a diagram illustrating a process of peeling a planar portion of the peeling target body A other than the bent edge portion of the peeling target body A. FIG.

  That is, as shown in FIG. 8, when the peeling of the bent edge portion of the peeling target body A is completed, the cutting wire 5 can peel the planar portion of the peeling target body A by the transfer force of the transfer means 170.

  The fact that the cutting wire 5 peels off the plane portion of the separation object A by the linear moving force of the transfer means 170 means that the cutting wire 5 completes the peeling of the bent edge portion of the separation object A by the rotation of the rotating device 120. When this is done, the work position can be adjusted so that the planar portion of the object to be peeled A is level with the support 110, so that smoother and more precise operation can be performed.

  Further, the transfer means 170 has a function of minimizing damage to a portion to be peeled in the process of peeling the bent edge portion. That is, while the bent edge portion is peeled off by the rotation of the rotating device 120, the transfer means 170 moves in the direction of applying pressure in the opposite direction of the organic light emitting material A5, so that the organic light emitting material A5 is peeled off. Can be prevented in advance.

  FIG. 9 is a view showing a display panel peeling apparatus according to another embodiment of the present invention. In the following description, the same elements as those in the above embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 9, a display panel peeling apparatus 100 according to another embodiment of the present invention includes a support 110, a cutting wire 5, a rotating device 120, and a seating plate 140.

  Unlike the one embodiment described above, the hollow portion 121 is omitted from the rotating device 120 in another embodiment of the present invention. In the above embodiment, the hollow portion 121 is provided in the rotating device 120, and the cutting wire 5 is positioned through the hollow portion 121. However, in another embodiment of the present invention, the cutting wire is rotated. It is arranged outside the rotating device 120 without penetrating the device 120. The seating plate 140 may be coupled to the rotating unit 122 of the rotating device 120, and a rotating unit 150 and a transferring unit 170 may be provided below the support 110.

  In another embodiment of the present invention, by disposing the cutting wire 5 outside the rotating device 120, interference between the cutting wire 5 and the rotating device 120 that may occur particularly in a peeling process such as a large peeling object. Can be prevented.

  The components and the peeling process that are not described in the other embodiments of the present invention are the same as those in the above-described embodiment.

  According to the present invention as described above, display panels having various shapes, particularly bent edges, can be precisely peeled. That is, when the seating plate is rotated by the rotational force transmitted from the rotating device, the cutting wire can accurately peel the bent edge portion of the panel using the rotational force. Further, when the seating plate is linearly moved by the linear movement by the transfer means, not only the bent edge portion but also the flat portion of the panel can be precisely peeled using the cutting wire.

  The embodiments of the present invention described and illustrated above should not be construed as limiting the technical idea of the present invention. The protection scope of the present invention is limited only by the matters described in the claims, and those skilled in the art of the present invention can improve and change the technical idea of the present invention in various forms. It is possible. Accordingly, such improvements and modifications should be construed as belonging to the protection scope of the present invention if they are apparent to those of ordinary skill in the art.

DESCRIPTION OF SYMBOLS 5 Cutting wire 10 Winder 20 Angle adjustment means 100 Display panel peeling apparatus 110 Support body 120 Rotating apparatus 121 Hollow part 122 Rotating part 123 Fixing part 130 Guide means 131 Guide hole 132 Head 133 Supporting part 140 Seating plate 141 Seating surface 142 Adsorption Hole 150 Rotating Means 160 Transfer Plate 170 Transfer Means A Peeling Object A1 Tempered Glass Material A2, A4 Optical Transparent Adhesive A3 Film Material A5 Organic Luminescent Material H1 Heat Ray Heating Type Heating Member H2 Surface Phase Heating Type Heating Member

Claims (10)

A support;
A rotating device disposed above the support;
A seating surface to which a panel is fixed; one end fixed to the rotating device;
A cutting wire disposed adjacent to the seating plate ,
The rotation by a rotation of the device, the seating plate fixed panel is characterized Rukoto that Sessu the cutting wire, the panel of the peeling apparatus. The rotating device has a cylindrical shape, and a hollow portion, a rotating portion, and a fixing portion are provided in this order from the center portion toward the outer peripheral surface,
The panel peeling apparatus according to claim 1, wherein one end of the seating plate is fixed to the rotating portion, and the cutting wire is disposed through the hollow portion. The other end of the support is further provided with a guide member having a guide hole so that the cutting wire penetrates the inside.
The guide member has a cylindrical head whose center is aligned with the center of the rotating device, and a support portion extending from the outer peripheral surface of the head and connected to the other end of the support. The panel peeling apparatus according to claim 2, wherein: The rotating device has a cylindrical shape, and a rotating part and a fixing part are provided in order from the center part toward the outer peripheral surface,
The panel peeling apparatus according to claim 1, wherein one end of the seating plate is fixed to the rotating part.   The panel peeling apparatus according to claim 1, wherein the seating plate has a shape in which one end or both ends are bent.   2. The panel peeling apparatus according to claim 1, wherein the seating plate is provided with a heat ray heating type or surface phase heating type electric heating member. 3.   The panel peeling apparatus according to claim 1, wherein a winder for maintaining a parallel force of the cutting wire is connected to both ends of the cutting wire.   The panel peeling apparatus according to claim 1, further comprising an angle adjusting means for adjusting the angle of the cutting wire.   The panel peeling apparatus according to claim 1, further comprising a rotating unit that is disposed under the support and transmits a rotational force to the support.   The panel peeling apparatus according to claim 1, further comprising a transfer unit provided at a lower portion of the support body and configured to allow the support body to move linearly.