KR20080037135A - Device for attaching a film on a liquid crystal display module of a mobile terminal - Google Patents

Abstract

A device for attaching a film on an LCD(Liquid Crystal Display) module for a mobile communication terminal is provided to separate the film automatically form roll-shaped film material, suck the film by using a film suction/attachment unit, and automatically transfer the film by using a biaxial transfer unit to be automatically attached onto the LCD module, thereby improving work efficiency, reducing work time and increasing productivity. A device(1) for attaching a film(5) on an LCD module for a mobile communication terminal comprises a main body, an LCD module supply unit(20), a film supply unit(30), a biaxial transfer unit(40), a film suction/attachment unit(50), an arrangement sensor(60), and a controller(70). The LCD module supply unit has a jig. The film supply unit recovers film material(3) in one direction and separates the film attached to the film material. The biaxial transfer unit performs transfer in X and Y axis directions. The film suction/attachment unit is formed on the biaxial transfer unit to move in a Z axis direction, performs vacuum suction of the film separated from the film supply unit, and attaches the film onto the LCD module mounted on the jig after transferring the film onto the jig of the LCD module supply unit by using the biaxial transfer unit. The arrangement sensor generates a control signal by detecting a location of the film suction/attachment unit. The controller corrects the location of the film suction/attachment unit according to the control signal of the arrangement sensor.

Description

Film attaching device for liquid crystal display module for mobile communication terminal {DEVICE FOR ATTACHING A FILM ON A LIQUID CRYSTAL DISPLAY MODULE OF A MOBILE TERMINAL}

1 is a perspective view of a film attachment device of a liquid crystal display module for a mobile communication terminal according to the present invention.

Figure 2 is a partial cutaway perspective view of the film attachment device of the liquid crystal display module for a mobile communication terminal according to the present invention.

Figure 3 is another partial cutaway perspective view of the film attachment device of the liquid crystal display module for a mobile communication terminal according to the present invention.

Figure 4 is a plan view of the biaxial transfer unit in the film attachment device of the liquid crystal display module for a mobile communication terminal according to the present invention.

5 is a detailed view of a film adsorption / attachment unit in the film attachment device of the liquid crystal display module for a mobile communication terminal according to the present invention.

6 is a bottom structural view of a film adsorption / attachment unit in the film attachment device of the liquid crystal display module for a mobile communication terminal according to the present invention.

Explanation of symbols on the main parts of the drawings

1: Film attachment device of liquid crystal display module for mobile communication terminal

3: Film material

5: film

10: main body

20: liquid crystal display module supply unit

21: rotating motor

23: rotating table

25: jig

30: film supply unit

31: winding roller

33: recovery roller

35: tension adjusting mechanism

37: peeling mechanism

40: 2-axis feed unit

45: X axis feed mechanism

47: Y axis feed mechanism

50: film adsorption / attachment unit

53: Z axis feed mechanism

55: adsorption head

57: vacuum generating / releasing mechanism

59: case

60: alignment sensor

70: controller

The present invention relates to an apparatus for automatically attaching a film to a liquid crystal display module of a mobile communication terminal such as a mobile phone, PDA, and more particularly, the film is automatically separated from the roll-shaped film material and automatically transferred. The film can be automatically attached on the liquid crystal display module of the mobile communication terminal, and the film is placed on the liquid crystal display module as the position of the adsorption head is aligned to the correct position by detecting the transfer positions of the film to the X and Y axes, respectively. The present invention relates to a film attachment device of a liquid crystal display module for a mobile communication terminal, which can be accurately attached and prevents bubble generation when the film is attached.

In general, in the case of a liquid crystal display module used as a display device of a mobile communication terminal such as a mobile phone and a PD, a diffusion film, a polarizing film, a scattering film, and a light blocking film may be attached, and in some cases, a protection to prevent scratches. The film is attached.

However, when manually attaching the film on the liquid crystal display module of the mobile communication terminal during the manufacturing process, the film must be detached while recovering the roll-type film material, and then attached to the liquid crystal display module in the correct position. There is a problem that the work efficiency is lowered and the work time is consumed a lot, so the productivity is significantly reduced.

In addition, if the film is manually attached onto the LCD module of the mobile communication terminal during the manufacturing process, the film may not be accurately attached to a certain position on the LCD display module according to the individual's work proficiency. In addition, there is a problem that the film is damaged during operation, the yield is reduced, and as a result, the manufacturing cost is doubled.

Therefore, an object of the present invention, the film is automatically separated from the roll-like film material and can be automatically transferred to be attached on the liquid crystal display module of the mobile communication terminal to improve the work efficiency and shorten the working time to improve productivity It is to provide a film attachment device of the liquid crystal display module for a mobile communication terminal to be increased.

Another object of the present invention is to detect the transfer position of the film to the X-axis and Y-axis respectively, align the position of the adsorption head, and then accurately attach the film on the liquid crystal display module. It is to provide a film attachment device of the liquid crystal display module for a mobile communication terminal to be prevented.

The above object of the present invention is a film attachment device for a liquid crystal display module for a mobile communication terminal, which automatically separates the film from the roll-shaped film material and automatically attaches it to the liquid crystal display module for a mobile communication terminal. The liquid crystal display module supply unit rotatably installed on one side of the main body and provided with a jig for mounting the liquid crystal display module for the mobile communication terminal, and the film material while being installed on the other side of the main body and recovering the film material in one direction. A film supply unit which separates the film attached to the film supply unit, a biaxial feed unit installed between the liquid crystal display module supply unit and the film supply unit on the main body to enable the transfer in the X-axis and Y-axis directions; The film is installed on the axis transfer unit so as to be movable in the Z axis direction and vacuum-adsorbs the film separated from the film supply unit. A film adsorption / adhesion unit for transporting the film to the jig of the liquid crystal display module supply unit by the unit and attaching the film to the liquid crystal display module seated on the jig, and a position of the film adsorption / adhesion unit installed on the main body. An alignment sensor which detects a signal and generates a control signal, and is installed on the main body and controls the operation of the liquid crystal display module supply unit, the film supply unit, the biaxial transfer unit and the film adsorption / attachment unit, and the control signal of the alignment sensor. According to the present invention to provide a film attachment device for a liquid crystal display module for a mobile communication terminal comprising a controller for correcting the position of the film adsorption / attachment unit.

According to a preferred feature of the invention, the body is mountable on a table.

According to a more preferred feature of the invention, the liquid crystal display module supply unit, a rotary motor installed on one side of the main body, a rotary table installed on the shaft of the rotary motor, the liquid crystal display module fixed on the rotary table It comprises a jig which is detachably seated.

According to a more preferred feature of the invention, the film supply unit, the material roller is rotatably installed on the main body and the film material is mounted in the form of a roll attached to the film at a predetermined interval, and rotatable on the main body A recovery roller for winding and recovering the film material in one direction, a tension control mechanism installed on the transport path of the film material and adjusting the tension of the film material, and a transport roller of the film material; It comprises a peeling mechanism for separating the protective film from the film material.

According to a further preferred feature of the invention, the film adsorption / attachment unit, the support frame is installed to be movable in the Y-axis direction on the two-axis transfer unit, the Z-axis transfer mechanism is installed on the support frame and A suction head installed at a lower end of the Z-axis transfer mechanism and moving in the Z-axis direction to adsorb or desorb the film, and a vacuum installed on the support frame to provide or release a vacuum suction force to the suction head; It is made including a release mechanism.

According to a further preferred feature of the invention, one side of the adsorption head is provided with an attachment roller for attaching the film, the other side of the adsorption head is a linear transfer mechanism for positioning the end of the adsorbed film at the lower end of the attachment roller A sensor for detecting whether an end of the film is positioned at the lower end of the attachment roller is installed at the upper portion of the attachment roller.

According to a further preferred feature of the invention, the alignment sensor, the X-axis position detection sensor for generating a control signal by detecting the X-axis direction position of the film adsorption / attachment unit, and the Y axis of the film adsorption / attachment unit And a Y-axis position detection sensor for detecting a direction position and generating a control signal.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are intended to describe in detail enough to be easily carried out by those skilled in the art to which the present invention pertains. This does not mean that the technical spirit and scope of the present invention is limited.

1 is a perspective view of a film attaching device of a liquid crystal display module for a mobile communication terminal according to the present invention, Figure 2 and 3 is a partial cutaway perspective view of the film attaching device of a liquid crystal display module for a mobile communication terminal according to the present invention 4, an operation of the biaxial transfer unit is shown, a detailed view of the film adsorption / attachment unit is shown in FIG. 5, and a bottom structure diagram of the film adsorption / attachment unit is shown in FIG.

The film attachment device 1 of the liquid crystal display module for a mobile communication terminal according to the present invention automatically separates the film 5 from the film material 3 in the form of a roll and the liquid crystal display module for a mobile communication terminal (not shown). 1 to 6, a jig 25 in which a main body 10 and a jig 25 in which a liquid crystal display module for a mobile communication terminal is rotatably installed is rotatably installed on one side of the main body 10. Is provided on the liquid crystal display module supply unit 20 and the other side of the main body 10, and the film supply to separate the film (5) attached to the film material (3) while recovering the film material (3) in one direction A two-axis transfer unit 40 is provided between the unit 30 and the liquid crystal display module supply unit 20 and the film supply unit 30 on the main body 10 to enable the transfer in the X-axis and Y-axis directions. And, on the two-axis transfer unit 40 is installed to be movable in the Z-axis direction to the film supply unit 30 The film 5 is vacuum-absorbed and transferred to the jig 25 of the liquid crystal display module supply unit 20 by the biaxial transfer unit 40, and then the film is placed on the liquid crystal display module seated on the jig 25. (5) a film adsorption / attachment unit 50 to attach, an alignment sensor (60) installed on the main body 10 to detect the position of the film adsorption / attachment unit 50 to generate a control signal, and the main body It is installed on the (10) and controls the operation of the liquid crystal display module supply unit 20, the film supply unit 30, the biaxial transfer unit 40 and the film adsorption / attachment unit 50 and of the alignment sensor 60 It comprises a controller 70 for correcting the position of the film adsorption / attachment unit 50 in accordance with the control signal.

Here, the main body 10 forms the base frame of the film attachment device 1 of the liquid crystal display module for a mobile communication terminal according to the present invention, and is formed to be installed on a table.

One side of the main body 10 is provided with a liquid crystal display module supply unit 20, the liquid crystal display module supply unit 20 is to supply a liquid crystal display module for a mobile communication terminal to which the film (5) is attached, The rotating motor 21 installed on one side of the main body 10, the rotating table 23 installed on the shaft of the rotating motor 21, and the liquid crystal display module for the mobile communication terminal are fixed on the rotating table 23. It comprises a jig 25 that is detachably seated.

On the rotary table 23, one jig 25 is arranged at a predetermined angular interval, such as, for example, an interval of 180 degrees or an interval of 90 degrees. In this case, the rotary table 23 is rotated by the angular interval. Therefore, the operator can mount the liquid crystal display module for the mobile communication terminal to which the film 5 will be attached on the jig 25, and the liquid crystal display module for the mobile communication terminal with the film 5 attached from the jig 25. Can be separated.

The other side of the body 10 is provided with a film supply unit 30, the film supply unit 30 is a film attached to the film material (3) while recovering the roll-like film material (3) in one direction ( 5) to separate the film 5 to be supplied to the film adsorption / attachment unit 50 to be described later, the film 5 is rotatably installed on the main body 10 and the film 5 at a predetermined interval A material roller 31 to which the film material 3 in the form of an attached roll is mounted, a recovery roller 33 rotatably installed on the main body 10 to wind and recover the film material 3 in one direction; The tension adjusting mechanism 35 is installed on the conveying path of the film material 3 and adjusts the tension of the film material 3, and the film material 3 is formed on the conveying path of the film material 3. 5) a peeling mechanism 37 for separating.

The film material 3 is formed by winding a roll of a tape in which a film 5 to be attached to a liquid crystal display module for a mobile communication terminal is attached at predetermined intervals on a release paper.

The material roller 31 is formed of an idle roller rotatable by an external force, the recovery roller 33 is formed of a roller which is forcibly rotated by a motor (not shown), and the recovery roller 33 has a film material 3. A fastener 33a is provided to fix the end of the.

The tension control mechanism 35 is a film material from the material roller 31 to the recovery roller 33 so that the film material 3 can be easily recovered and the film 5 can be easily separated from the film material 3. It serves to provide tension to (3), press or lift the film material (3) to maintain the optimum tension.

The peeling mechanism 37 separates the film 5 from the film material 3 and discharges it to one side, and various peelings known to allow only the film material 3 from which the film 5 is separated are recovered by the recovery roller 33. It can be formed in the configuration of the mechanism.

A biaxial transfer unit 40 is installed between the liquid crystal display module supply unit 20 and the film supply unit 30 on the main body 10. The biaxial transfer unit 40 is a film adsorption / attachment unit which will be described later. In the transfer of 50 from the film supply unit 30 onto the jig 25 on the liquid crystal display module supply unit 20 on which the liquid crystal display module for the mobile communication terminal is seated, it is transported in the two axes of the X and Y axes. The X-axis frame 41 is installed on the main body 10 so as to extend in the X-axis direction, and the X-axis frame 41 is movable on the X-axis frame 41 and is orthogonal to the X-axis frame 41. X-axis 43 to which the film adsorption / attachment unit 50, which will be described later, is movably installed, and Y-axis frame 43 is moved along the X-axis frame 41 in the X-axis direction. And a Y-axis feed mechanism 47 for feeding the film transfer / adhesion unit 50 along the Y-axis frame 43 in the Y-axis direction. By made.

The X-axis frame 41 is formed with a guide rail 41a for guiding the transfer of the Y-axis frame 43 in the X-axis direction, and the Y-axis frame 43 has the Y of the film adsorption / attachment unit 50. A guide rail 43a is formed to guide the feed in the axial direction.

The X-axis feed mechanism 45 and the Y-axis feed mechanism 47 may also be directed to a cylinder mechanism capable of linear movement, and as shown, a combination of a linear motor and an electric chain similar to the linear transfer mechanism of the print head. It may also be formed as.

The film adsorption / attachment unit 50 is installed on the biaxial transfer unit 40 so as to be movable in the Z-axis direction, and the film adsorption / attachment unit 50 is a film separated by the film supply unit 30. The film 5 is transferred to the jig 25 of the liquid crystal display module supply unit 20 by the biaxial transfer unit 40 in a state where the vacuum is absorbed by the film 5 on the liquid crystal display module seated on the jig 25. ), The support frame 51 is installed on the Y-axis frame 43 of the 2-axis transfer unit 40 so as to be movable in the Y-axis direction, and the Z-axis feed is installed on the support frame 51. An adsorption head 55 which is installed at the lower end of the mechanism 53 and the Z-axis transport mechanism 53 and is moved in the Z-axis direction to adsorb or desorb the film 5 separated by the film supply unit 30; It is provided on the support frame 55 and comprises a vacuum generating / releasing mechanism 57 for providing or releasing the vacuum suction force to the suction head (55). In addition, the Z-axis transfer mechanism 53 and the vacuum generating / release mechanism 57 are enclosed so as not to be exposed to the outside by the case 59.

The support frame 51 forms an installation frame of the film adsorption / attachment unit 50 and is moved along the Y-axis frame 43 along the Y-axis frame 43 by the Y-axis transport mechanism 47 of the 2-axis transfer unit 40. It is installed as possible, and the Z-axis feed mechanism 53 is composed of a cylinder mechanism that enables linear movement.

The suction head 55 installed at the lower end of the support frame 51 is movable in the Z-axis direction, that is, up and down with respect to the support frame 51 by the Z-axis transfer mechanism 53, and generates / releases the vacuum mechanism 57. The film 5 is adsorbed by the vacuum suction force and the film 5 is separated from the jig 25 on which the liquid crystal display module for the mobile communication terminal to which the film 5 is attached is released.

As shown in FIG. 6, an attachment roller 55a for attaching the film 5 is provided on one side of the adsorption head 55, and an end of the adsorbed film 5 is provided on the other side of the adsorption head 55. A linear transfer mechanism 55b is disposed at the lower end of the attachment roller 55a, and a sensor for detecting whether an end of the film 5 is positioned at the lower end of the attachment roller 55a at the upper portion of the attachment roller 55a. 55c) is installed.

As shown in FIG. 6, the linear transfer mechanism 55b is composed of a combination of a motor and a lead screw, and an adsorption head 55 is mounted on the lead screw so as to be capable of linear transfer.

In addition, the sensor 55c may be formed of various types of sensors such as an optical sensor. As the linear feed mechanism 55b is driven by the signal of the sensor 55a, the position of the adsorption head 55 is finally returned to the correct position. Will be adjusted.

The alignment sensor 60 is installed on the above-described main body 10. The alignment sensor 60 detects the position of the film adsorption / attachment unit 50 and generates a control signal to correct the position. The X-axis position detection sensor 61 detects the X-axis direction position of the film adsorption / attachment unit 50 and generates a control signal, and the Y-axis direction position of the film adsorption / attachment unit 50 is detected to control signals. It consists of the Y-axis position detection sensor 63 for generating a.

The X-axis position detection sensor 61 and the Y-axis position detection sensor 63 detect the X-axis and Y-axis direction positions of the adsorption head 55 of the film adsorption / attachment unit 50 as position detection sensors, which will be described later. By providing to the controller 70, the biaxial transfer unit 40 is driven so that the adsorption head 55 of the film adsorption / attachment unit 50 can be readjusted to the correct position.

A controller 70 is installed in the main body 10, which is a liquid crystal display module supply unit 20, a film supply unit 30, a biaxial transfer unit 40 and a film adsorption / attachment unit. Controlling the operation of the 50 and at the same time serves to correct the position of the film adsorption / attachment unit 50 in accordance with the control signal of the alignment sensor 60 of the liquid crystal display module for a mobile communication terminal according to the present invention It consists of a combination of various switches 71 for starting, stopping and emergency stop of the film attachment device, a touch pad 73 for operation, and a control circuit (not shown) built in the main body 10.

Hereinafter, the overall operation of the film attachment device 1 of the liquid crystal display module for a mobile communication terminal according to the present invention will be described in detail:

When the film attachment device 1 of the liquid crystal display module for a mobile communication terminal according to the present invention is driven, the rotary table 23 is rotated at a predetermined angle interval while the liquid crystal display module supply unit 20 is operated, and the operator jig ( 25) the liquid crystal display module for the mobile communication terminal is mounted on.

At the same time, as the film supply unit 30 is operated, the recovery roller 33 is rotated and the roll-shaped film material 3 installed on the material roller 31 is moved to the recovery roller 33 to the film material 3. The attached film 5 is separated and discharged one by one by the peeling mechanism 37.

The film 5 thus discharged is adsorbed by the adsorption head 55 of the film adsorption / attachment unit 50 and the entire film adsorption / attachment unit 50 is X-axis and Y-axis by the biaxial transfer unit 40. While moving in the direction, the jig 25 on which the liquid crystal display module for the mobile communication terminal is mounted is moved.

At this time, the X-axis and Y-axis positions of the adsorption head 55 of the film adsorption / attachment unit 50 are detected by the X-axis position detection sensor 61 and the Y-axis position detection sensor 63, and the sensor 61 , 63) can be readjusted to the correct position.

In this state, the adsorption head 55 is moved downward with respect to the support frame 51 with respect to the support frame 51 by the Z axis transfer mechanism 53, and at this time, the end of the film 5 is at the lower end of the attachment roller 55a. As the sensor 55c detects whether or not the sensor is positioned at the position of the sensor, and the linear transfer mechanism 55b is operated, the vacuum suction force is released by the vacuum generating / release mechanism 57 in the state where the suction head 55 is finally adjusted. Then, the film 5 is separated from the adsorption head 55 and press-attached at the same time with the attachment roller 55a so that the film 5 is attached to the liquid crystal display module for the mobile communication terminal without bubble generation.

The film adsorption / attachment unit 50 is transferred back to the initial position by the biaxial transfer unit 40 and repeats the above-described procedure.

At the same time, as the rotary table 23 is rotated by a predetermined angle, the jig 25 in which the liquid crystal display module for the mobile communication terminal to which the film 5 is to be attached is seated is removed from the position of the suction head 55. The jig 25 to which the liquid crystal display module for a mobile communication terminal to which the film 5 is to be attached is seated on the jig 25, and at the same time, the jig 25 to which the liquid crystal display module for the mobile communication terminal to which the film 5 is attached is mounted. It is conveyed to the correct position of the suction head 55.

As described above, according to the film attachment device of the liquid crystal display module for a mobile communication terminal according to the present invention, the film is automatically separated from the film material in the form of a roll is adsorbed by the film adsorption / attachment unit, and then to the biaxial transfer unit. It can be automatically transferred to be attached to the liquid crystal display module of the mobile communication terminal, thereby improving the work efficiency and the work time can be increased productivity can be increased.

In addition, after aligning the positions of the adsorption head by detecting the transfer positions of the film to the X-axis and Y-axis, respectively, the film can be attached to the right position on the liquid crystal display module so that the accuracy of the work can be improved. have.

In addition, there is an excellent effect that no bubbles are generated between the liquid crystal display module and the film due to the copper movement of the film adsorption / attachment unit and the adhesion roller when the film is attached.

Claims (7)

In the film attaching device of the liquid crystal display module for a mobile communication terminal which automatically separates the film from the roll-shaped film material and automatically attaches to the liquid crystal display module for a mobile communication terminal, main body; A liquid crystal display module supply unit rotatably installed at one side of the main body and provided with a jig for mounting the liquid crystal display module for the mobile communication terminal; A film supply unit installed on the other side of the main body and separating the film attached to the film material while recovering the film material in one direction; A two-axis transfer unit installed on the liquid crystal display module supply unit and the film supply unit on the main body to enable transfer in the X-axis and Y-axis directions; The jig is installed on the biaxial transfer unit so as to be movable in the Z axis direction and vacuum-adsorbs the film separated from the film supply unit, and is transferred to the jig of the liquid crystal display module supply unit by the biaxial transfer unit. A film adsorption / attachment unit for attaching a film to the liquid crystal display module mounted on the film; An alignment sensor installed on the main body to detect a position of the film adsorption / attachment unit to generate a control signal; And It is installed on the main body and controls the operation of the liquid crystal display module supply unit, film supply unit, biaxial transfer unit and film adsorption / attachment unit and correct the position of the film adsorption / attachment unit according to the control signal of the alignment sensor. A controller for attaching the film of the liquid crystal display module for a mobile communication terminal, characterized in that comprises a. The method of claim 1, The film attachment device of the liquid crystal display module for a mobile communication terminal, characterized in that the main body can be installed on the table. The method of claim 2, The liquid crystal display module supply unit includes a rotary motor installed on one side of the main body, a rotary table installed on a shaft of the rotary motor, and a jig fixed to the rotary table and detachably seated on the rotary table. Film attaching device of the liquid crystal display module for a mobile communication terminal, characterized in that consisting of. The method of claim 3, wherein The film supply unit includes a material roller rotatably installed on the main body and mounted with a roll-shaped film material attached to the film at predetermined intervals, and rotatably installed on the main body and winding the film material in one direction. A recovery roller which is picked up and recovered, a tension adjusting mechanism which is installed on the transport path of the film material and adjusts the tension of the film material, and which is installed on the transport path of the film material to separate the protective film from the film material. A film attachment device for a liquid crystal display module for a mobile communication terminal, characterized in that it comprises a peeling mechanism. The method of claim 4, wherein The film adsorption / attachment unit may include a support frame installed on the biaxial transfer unit so as to be movable in the Z-axis direction, a Z-axis feed mechanism installed on the support frame, and a lower end of the Z-axis feed mechanism. And a suction head for adsorbing or releasing the film while being moved in the Z-axis direction, and a vacuum generating / releasing mechanism installed on the support frame to provide or release a vacuum suction force to the suction head. Film attaching device of liquid crystal display module for mobile communication terminal. The method of claim 5, wherein One side of the adsorption head is provided with an attachment roller for attaching the film, and the other side of the adsorption head is provided with a linear transport mechanism for placing the end of the adsorbed film at the lower end of the attachment roller, the film on the upper side of the attachment roller The film attachment device of the liquid crystal display module for a mobile communication terminal, characterized in that a sensor for detecting whether the end is located at the bottom of the attachment roller. The method of claim 6, The alignment sensor may detect an X-axis position of the film adsorption / attachment unit and generate a control signal, and detect the Y-axis direction of the film adsorption / attachment unit to generate a control signal. A film attachment device for a liquid crystal display module for a mobile communication terminal, comprising a Y-axis position detection sensor.

Images