JP4499657B2 - Sealing material dispenser, liquid crystal dispenser, and control method of these dispensers of flat display device manufacturing machine - Google Patents

Description

  The present invention relates to a sealing material dispenser and a liquid crystal dispenser in a flat display device manufacturing machine, and more particularly, to a sealing material dispenser and a liquid crystal dispenser capable of processing raw glass more efficiently, and control methods thereof. Is.

As one of many flat display devices, a liquid crystal display (LCD) has better visual quality than a cathode ray tube (CRT).
Furthermore, the average power consumption of an LCD is smaller than that of a CRT with the same screen size as the LCD, and the amount of heat generated from the LCD is less than that of a CRT.
For these reasons, LCDs are in the spotlight with plasma display panels (PDP) or field emission displays (FED) as next generation display devices for mobile phones, computer monitors and televisions.

The LCD forms a plurality of pixel patterns or thin film transistors (TFTs) on a first original glass, and forms a color filter layer on the second original glass facing the first mother glass (original glass). It is manufactured by.
The first and second original glasses are adhered to each other to form a combined original glass, and a liquid (liquid crystal material) is injected or injected into a vacuum (space) between the combined original glasses.
Another method for manufacturing an LCD is to form a sealing material pattern on a first original glass, drop a liquid (liquid crystal material) on the second original glass, and then spread the first and second original glasses. Combined (attached) to form.

FIG. 1 shows an example of a manufacturing machine using a conventional sealing material dispenser.
A manufacturing machine using a sealing material dispenser includes a liquid crystal dispenser 21 that performs a liquid crystal material dispensing (dispensing) operation, a sealing material dispenser 22 that performs a sealing material distributing operation, and an original glass that performs these distributing operations. 11, 12, a surface conditioning unit 30 for turning over the surface of the second original glass to adhere on the first original glass, and an attachment unit 40 for attaching the first and second original glasses. A (combination) cutting unit 50 for cutting the original glass in accordance with a predetermined display type is included.
Further, a transport unit 15 for transporting the original glass is provided between the liquid crystal dispenser 21, the sealing material dispenser 22, the rotation (surface adjustment) unit 30, the attachment unit 40, and the cutting unit 50.
Although not shown, the transport unit 15 generally uses a robotic arm to transport the raw glass more accurately and accurately.

Specifically, the color filter raw glass 12 is loaded on the sealing material dispenser 22, while the TFT raw glass 11 is loaded on the liquid crystal dispenser 21.
After each of the liquid crystal dispenser 21 and the sealing material dispenser 22 has been subjected to a corresponding operation, the surface conditioning unit 30 positions the two original glasses for attachment.
More specifically, the surface adjustment unit 30 turns over the surface of the original glass to which the sealing material has been distributed, and faces the reverse surface to the surface of the original glass to which the liquid crystal has been distributed.
Thereafter, the bonding (attachment) unit 40 attaches the surfaces of the two original glasses, and the cutting unit 50 cuts the attached (combined) original glasses to cut out each display mold.

Hereinafter, the structure and operation of the sealing material dispenser will be described in more detail.
In manufacturing the LCD, a process of distributing the sealing material on the original glass according to a predetermined pattern is performed by a sealing material dispenser.
As illustrated in FIG. 2, the conventional sealant dispenser includes a table 1 that receives the original glass 11 from a first direction (a direction parallel to the long side of the support frame 2, that is, a direction parallel to the S axis), and two tables 1. Support frames 2 and 2 are included.
The two support frames 2 are provided with a plurality of nozzles (not shown) attached thereto, and the nozzles have the ability to move in the first direction in accordance with the movement of the raw glass 11 while performing the dispensing operation. ing.
The plurality of nozzles provided in the support frame move independently with respect to the original glass 11 in order to form a sealing material pattern on the original glass 11.
Conventional sealant dispensers further include a pressure dispensing device for dispensing the sealant.
As described above, the conventional table 1 can receive the original glass 11 only from the first direction.

The operation of the conventional sealant dispenser is as follows.
First, the raw glass 11 and the nozzle move independently to form a specified encapsulant pattern on the raw glass 11.
Thereafter, the original glass 11 is transported onto the table 1 by the transport unit 15.
The original glass 11 is loaded on the table 1 from the first direction and then fixed to the table 1.

After the original glass 11 is fixed on the table 1, each of the two support frames 2 enters a working mode, i.e. the support frame moves to a position where it begins to perform the dispensing operation.
Further, the nozzle provided on the support frame moves in the first direction to a position at which the distribution operation starts.
The nozzle is operated by a device (not shown) such as a ball screw or linear motor.

Furthermore, the start positions of the support frame and the plurality of nozzles are determined in advance by user input.
Further, the sealant dispenser work criteria, such as dispenser altitude, dispenser speed, dispense pressure, and dispense pattern position data, are similarly predetermined.

After the support frame and the plurality of nozzles are moved to the start position where the dispensing operation starts, each dispenser head provided on each nozzle has a predetermined distance between the dispenser head of the nozzle and the original glass 11. Remaining, it descends toward the original glass 11 parallel to the Z axis.
After each dispenser head is properly positioned, the table 1, the plurality of nozzles and / or the support frame 2 may be used while the sealant is being dispensed onto the original glass 11 to form a display pattern (mold). 11 can move independently.

Conventional sealant dispensers load the original glass only from its short side. The reason for this is that such a one-way load increases the stability of the work and facilitates the (later) flipping work.
However, in this way, when the raw glass is loaded only from one direction, i.e. only from its short side, it is necessary to carry out a distribution operation on a large number of raw glass having different display dimensions. Will take a long time.
In the following, referring to FIG. 3, the inefficiencies associated with a unidirectional loading scheme and the potential benefits of not limiting the loading scheme to a unidirectional manner are illustrated.

FIG. 3 shows a raw glass comprising four large displays (A) and six small displays (B).
When the distribution work is performed according to the conventional technique in which the original glass is loaded from its short side, the order of the work is as shown in FIG. 3: (1) (2) (3) (4) (5 ) (6) (7) (8).
However, if the original glass can be loaded from its long side, the sequence of operations would be as follows, as shown in FIG. 4: (1) (2) (3) (4) (5 ).

  Comparing two dispensing operations, three working steps can be eliminated by loading the original glass from its long side and executing the dispensing operation.

  According to the conventional sealing material dispenser, the glass sealing material can be loaded only from the short side, and the distribution operation (the procedure) is determined by the loading direction, so an unnecessary distribution process occurs, and the distribution operation time is increased. become longer.

Accordingly, the present invention is directed to providing an encapsulant dispenser and a liquid crystal dispenser that can essentially eliminate the above-mentioned problems resulting from the limitations and disadvantages of the related (prior art) technology in flat display device manufacturing machines. It is done.
The present invention is further directed to providing a method for controlling these dispensers that can essentially eliminate the above-mentioned problems due to the limitations and disadvantages of the related (prior art) technology.

  It is an object of the present invention to provide a (manufacturing) machine that performs a dispensing operation for a flat display device.

  Another object of the present invention is to provide a method for controlling the dispensing process of a liquid crystal dispenser and a sealant dispenser.

Other advantages, objects, and features of the present invention will be presented in part by the following description, and other parts will become apparent to those of ordinary skill in the art upon review of the following description, Or it could be learned by the practice of the present invention.
The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

In order to achieve these and other advantages in accordance with the objectives of the present invention, an apparatus for performing a dispensing operation for a flat display device, as embodied and broadly described herein, is a raw glass. The table includes a table that can be rotated by ± 90 degrees depending on whether the direction of loading is from the short side or the long side.
Here, the first direction and the second direction correspond to directions parallel to the long side and the short side of the original glass, respectively.
The machine further includes a driving device that rotates the table and a stage that can slide back and forth while the original glass is fixed on the table.
In addition, the flat display device manufacturing machine of the present invention requires a time required to perform a distribution operation between when the original glass on which a plurality of display types are printed is loaded from the short side and when loaded from the long side. A rotation unit that compares the calculated distribution work time to determine a shorter distribution work time, and rotates the loading direction of the raw glass based on the determined shorter distribution work time; A dispenser device for performing a dispensing operation of a sealing material or liquid crystal, a table that can be rotated ± 90 degrees around its central axis to receive a loaded raw glass; a drive device for rotating the table; A stage provided on a table, on which the original glass can be fixed; and disposed along a first direction, the first direction and And a dispenser device including a plurality of head units, movable in the second direction.

In another aspect of the present invention, a method of controlling a dispensing process is disclosed that includes the preparation of raw glass on which a display mold is printed.
Further, the distribution work includes (previously) calculating the time required when the original glass is loaded from the short side and when loading from the long side, and comparing the calculation results to determine the shorter working time. It is out.
Once these steps are completed, the dispensing operation is started based on the shorter dispensing operation time determined in the next process.
In addition, the method for controlling the liquid crystal or sealing material distribution operation of the present invention includes a step of preparing a raw glass on which a plurality of display molds are printed; and when the raw glass is loaded from its short side; Calculating the time required to perform the distribution work when loaded from the long side; comparing the calculated distribution work time to determine the shorter distribution work time; Based on the determined shorter distribution time from at least one of the shorter side or the longer side, and arranged along the first direction based on the loading step and the determined shorter distribution time, Starting a dispensing operation using a plurality of head units movable in the first direction and the second direction with respect to the original glass.

  It should be understood that both the foregoing general description and the following detailed description of the invention are exemplary and explanatory, and further extend the claimed invention.

  According to the present invention, since the table of the dispenser can be rotated in the flat display device manufacturing apparatus, the sealing material dispenser and the liquid crystal dispenser that can process the raw glass more efficiently, and the control method thereof are provided. Can be provided.

Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.
Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same parts.

Regarding the LCD manufacturing process, there are two types of processes in which the raw glass is processed.
The first step relates to liquid crystal distribution. The second step is related to the distribution of the sealing material.

  FIG. 5 shows that the surface conditioning unit enables the raw glass to be loaded from either its short side or long side in a manufacturing machine equipped with a sealant dispenser according to this example. The structure diagram of a manufacturing machine is shown.

Referring to FIG. 5, the manufacturing machine includes a first rotating unit 101 that rotates the loading direction of the raw glass for the TFT manufacturing process, a liquid crystal dispenser 201 that performs a process operation for distributing liquid crystal, and a raw glass for the color filter manufacturing process. The second rotating unit 102 for rotating the loading direction of the sealing material, the sealing material dispenser 202 for performing the sealing material distributing operation, the surface of the raw glass to which the sealing material is distributed is turned over, It includes a surface conditioning unit 300 that faces the surface, a coupling unit 400 that combines the surfaces of two raw glasses, and a cutting unit 500 that cuts the raw glass to cut out a display mold.
Further, the transport unit 150 for transporting the raw glass from one unit to another unit includes the first and second rotating units 101 and 102, the liquid crystal dispenser 201, the sealing material dispenser 202, the surface conditioning unit 300, the coupling unit 400, And between each of the cutting units 500.

Although not shown, the transport unit 150 is generally equipped with a robot arm to transport the raw glass more accurately and accurately.
However, when the raw glass is transported by the transport unit, it is not always limited to use the robot arm.

  The first rotating unit 101 and the second rotating unit 102 can rotate the loaded original glass by ± 90 degrees and ± 270 degrees, and can place the original glasses 11 and 12 in a direction that can save work time. .

  That is, each of the original glasses that have passed through the first rotating unit 101 and the second rotating unit 102 is adjusted in the loading direction or maintained in the previous state, so that the liquid crystal dispenser 201 and the sealing material dispenser 202 are in contact with each other. Loaded.

Thereafter, the surface conditioning unit 300 operates to place the surfaces of the raw glass on each other on the appropriate side for the operation.
Appropriate sides here are the sides to be attached to each other.
If the surface conditioning unit 300 is not given specific instructions or programs (turn over the surface of the raw glass, or place the surface on the specified side), the raw glass on which the liquid crystal is distributed will not be turned over. Only the original glass on which the sealing material has been distributed is turned over.
Thus, the surfaces of the two original glasses on which the liquid crystal and the sealing material are respectively distributed are on the sides facing each other.
Further, the surface conditioning unit can rotate the raw glass of various configurations, and as a result, the surface conditioning unit can process the configuration that requires ± 90 degrees and ± 270 degrees rotation of the raw glass. Can process the original glass loaded from either the short side or the long side.
Details of the surface conditioning unit are omitted here.

Preferably, the cure unit (not shown) includes at least one of an ultraviolet (UV) cure unit and a thermal cure unit.
In operation, the UV curing unit supplies light (ultraviolet rays) to the combined raw glass, and the thermal curing unit performs the curing operation using a high temperature.

  After the bonded raw glass passes through the curing process, the cutting unit 500 cuts the raw glass to cut out the display mold.

The structure and operation of the liquid crystal dispenser or the sealing material dispenser will be described later.
Since the liquid crystal dispenser and the encapsulant dispenser are similar in structure and operation, the description is made with respect to the encapsulant dispenser.
However, the following description is equally applicable to liquid crystal dispensers.

6 Ru engaged to another embodiment of the present invention is an example depicting a sealant dispenser having a table which can be rotated (sealant dispenser).
Figure 7 shows the binding Go構 forming the motor and the table, a cross-sectional view of a sealing material dispenser of FIG. 6 (I-I).
FIG. 8 is a flowchart showing a sealing material dispensing operation process of the sealing material dispenser for the LCD.

6 and 7, a sealing material dispenser for an LCD of the present invention, to rotate ± 90 degrees or more about the first or second direction of either the towards the central axis 71 A table 45 that can be used is included.
The LCD sealing material dispenser further includes a driving device 70 for applying a driving force for rotating the table 45, and a stage 55 provided on the table 45 so as to move the stage in a direction perpendicular to the long side of the support frame. A first linear motor that drives the stage 55 in the first direction, at least two second linear motor guides 20 provided on both sides of the table 45, and a second linear motor guide 20 A column 35 disposed perpendicular to each of the second linear motor guides 20 so as to be movable along the second linear motor guide 20 and a second linear motor for operating the column 35 along the second linear motor guides 20. If, in order to distribute the sealant in the specified type on the surface of the raw glass, in a direction perpendicular to the second linear motor guides 20 provided on the column 35 Control unit for controlling the plurality of dispenser head unit is column, and a third linear motor to operate in a direction perpendicular to the dispenser head unit to the second linear motor guide 20, the operation of each unit And including.

In addition, if the table 45 rotates ± 90 degrees in either the first direction or the second direction, the linear motor guide 20 will not interfere with or prevent the rotation. The distance between the guides 20 is greater than the diagonal length of the table 45.
The rotation ability of the table 45 is to allow the original glass to be loaded from either the short side or the long side.
Thus, the table 45 can be rotated by different angles such as ± 90 degrees and ± 270 degrees.

First linear motors of the sealing material dispenser includes at least one first magnet 45 a disposed along the first direction on the table 45 so as to face the first magnet 45 a A plurality of first movers (not shown) provided on the stage 55.
Further, the second linear motor 20 has at least one second magnet 20a provided on the linear motor guide 20b along the first direction and a support frame ( facing the second magnet 20a so as to face the second magnet 20a. A plurality of second moving elements (not shown) provided on both sides of the lower region of the column 35.
Further, the third linear motor, at least one third magnet (not shown) provided on one surface of the support frame 35 provided on both sides of the frame 10, so as to face the third magnet A plurality of third movable elements (not shown) provided inside each of the head mounts 6 are included.

The first to third linear motor guides 45b and 20b are provided to cause the stage 55, the support frame 35, and the head mounts 6 to move linearly, respectively.
These linear motor guides, respectively, table 45 is provided in the vicinity of the linear motor guide 20b, and the magnets 20 a, 4 5a.

The head unit, the third driven directly by the linear motor (along the long side of the column) in a second direction moves the at least one head mount 6, at least one head (shown provided in each head-mounted And a syringe (not shown) provided on the head for accommodating the sealing material.

  In addition, the sealant dispenser includes a microcomputer (not shown) in a control unit for controlling the operation of each unit.

The motor 70 is provided in a lower region of the table 45 in order to rotationally drive the table 45. A rotation shaft 71 of the motor 70 is provided at the center of the table 45.
Preferably, there is a gear assembly (not shown) between the table 45 and the motor rotating shaft 71.
The gear assembly includes a plurality of gears connected to each other to control speed based on the transmission ratio.

In the above discussion, the motor 70 and the gear assembly are only one means for rotating the table 45, and the means for rotating the table 45 is not limited to the above example.
Furthermore, the configuration of the dispenser according to the present invention is not limited to the case where the rotating shaft 71 of the motor is at the center of the table 45.

Regarding the present invention, as in the case of the related (prior art) technology, the distribution operation start positions of the two support frames and the nozzles attached to the two support frames, and the mold in which the sealing material is to be distributed are used to start the distribution process. Prior to this, it is predetermined by external input or user data input.
Furthermore, the distance between the raw glass and the tip of the nozzle, the dispensing speed, the dispensing pressure, the number of display types, and the display type position data to be dispensed are predetermined and input through user data input.

FIG. 8 is an example of a flowchart illustrating a process of dispensing encapsulant using an encapsulant dispenser for LCD.
In FIG. 8, the distribution step includes a step (S1) of preparing an original glass 12 on which a display mold is printed.
Thereafter, the original glass 12 is loaded and fixed to the stage 55 on the table 45 (S2).
Thereafter, the display type on the original glass 12 is confirmed.
At the same time, the required time for executing the distribution work in the first direction (loading) and the required time for the second direction are calculated and compared (S3).

Here, confirming the display type on the original glass 12 refers to identifying information regarding the number of display types on the original glass in addition to their size, type, and position.
In general, a barcode can be used to make this confirmation.
Bar codes contain information about the number of display types along with their size, type, and location. The barcode is read in the process of loading the original glass 12.

After the comparison, the shorter distribution work time is selected (S4).
Based on the selected dispensing method (i.e., the shorter dispensing time), the position of the glazing 12 is adjusted, i.e., rotated, so as to be in the load direction where a shorter dispensing process time is possible ( S5, S6),

For example, if the original glass 12 is loaded in the first direction and it is determined that the work time for performing the distribution operation is shorter when the original glass is loaded from the short side rather than from its long side, Then, the distribution work is executed in the state loaded from the short side.
However, if the original glass 12 is loaded from its short side and the distribution work time is determined to be shorter when loaded from its long side, the control unit of the sealant dispenser sends a command signal to the rotary unit 102. To rotate the table 45 by ± 90 degrees and ± 270 degrees to receive the original glass from its long side.
Finally, the sealing material distribution operation is started (S7).

  As discussed above, the actuating process of the encapsulant dispenser can be applied to a liquid crystal dispenser.

The following is a more detailed description of a more encapsulant dispenser.
More specifically, when dispensing the liquid crystal or the sealing material to the original glass having a specific display type pattern, the distribution work time when the original glass is loaded from the short side and from the long side is loaded. Are calculated and compared.

9 and 10, the same display type pattern as used in the above description of the related art is used as the specific display type pattern. FIG. 9 shows a case where the original glass is loaded from the short side. Is when loaded from the long side.
In FIGS. 11 and 12, a similar comparison is made for different types of display-type patterns.

FIG. 13 is a diagram showing the result of the LCD distribution work for the display type after the original glass is loaded from the short side (that is, the direction parallel to the S axis).
Here, the load direction from the short side refers to a direction parallel to the long side of the support frame, that is, a direction perpendicular to the short side.
FIG. 14 is a diagram showing the result of the LCD distribution work for the display type after the original glass is loaded from its long side (ie, the direction parallel to the Y axis).
Here, the load direction from the long side indicates a direction parallel to the short side of the support frame, that is, a direction perpendicular to the long side.

Referring to FIG. 9, the display pattern includes four large display molds (A) and six small display molds (B), and the distribution work sequence is because the raw glass is loaded from the short side. (1) (2) (3) (4) (5) (6) (7) (8).
Here, the distribution process related to the large display type (A) requires two processes (1) and (2), and the distribution process related to the small display type (B) has a total of six processes (3) to (8). ).
Furthermore, as shown in FIG. 10, since the original glass is loaded from the short side, the five steps (1), (2), (3), (4), and (5) are sufficient.
That is, the distribution work process for the large display type (A) requires two processes (1) and (2), and the distribution work process for the small display type (B) requires three processes (3) to (5). Because.
Obviously, the dispensing work on the raw glass loaded from its long side is more time saving and more productive.

9 and 10 are the same as those relating to FIGS. 3 and 4 in the prior art for heavy machinery.
In the case of FIG. 9, ie, the original glass loaded from the short side, the distribution process of the large display type (A) requires two operations, and the processing of the small display type (B) requires six operations.
On the other hand, in the case of FIG. 10, ie, the original glass loaded from the long side, only three operations are required for the processing of the small display type (B).
In other words, processing raw glass loaded from the long side is more time-saving and more productive.

Next, the encapsulant mold forming time by the operations of both methods is compared under the same conditions: The distribution speed in both methods is 100 mm / sec, the total extension of the large display type (A) is 3800 mm, the small display type The total length of (B) is 1400 mm.
In addition, two dispenser heads (H1 and H2) are used for work.

  When the order of the operations is (1) (2) (3) (4) (5) (6) (7) (8) in FIG. 9, two operations are executed when the large display type (A) is formed. 6 operations are executed when forming the small display type (B), and the total operation time is (38 seconds × 2 operations) + (14 seconds × 6 operations) = 160 seconds.

  Similarly, when the sequence of actions is (1), (2), (3), (4), and (5) in FIG. 10, two operations are performed when forming the large display type (A), and three operations are performed. Are executed when forming the small display type (B), and the total work time is (38 seconds × 2 work) + (14 seconds × 3 work) = 118 seconds.

  Comparing the above two cases, when the original glass is loaded from the long side (in FIG. 2, the difference is that the original glass is loaded from the short side), the work sequence (1) (2) (3 in FIG. (4) and (5) are allowed, the total work time can be greatly shortened, and the work efficiency can be improved by 45%.

Next, in FIG. 11 and FIG. 12, the encapsulant pattern formation times by both working methods are compared under conditions where two dispenser heads (H1 and H2) are used.
The distribution speed in both working methods is 100 mm / second, the total length of the large display type (A) is 2400 mm, and the total length of the small display type (B) is 1200 mm.
As shown in these figures, there are eight large display types (A ′) and six small display types (B ′).
Unlike the previous comparison, here only the small display type (B ′) is compared.

Referring to FIG. 11, it takes 4 operations for the large display type (A ′) and 6 operations for the small display type (B ′) to form a display pattern for the raw glass loaded from the short side, so that the total (24 Second × 4 work) + (12 seconds × 3 work) = 132 seconds.
Similarly, referring to FIG. 12, it takes 4 operations for the large display type (A ′) and 3 operations for the small display type (B ′) to form a display pattern for the original glass loaded from the long side. Therefore, it takes a total (24 seconds × 4 work) + (12 seconds × 6 work) = 168 seconds.

  Therefore, when the display type pattern of FIG. 11 = FIG. 12 is formed, the working time can be shortened by more than 35% when the original glass is loaded from its long side.

Referring to FIGS. 13 and 14, a display type pattern including eight large display types (A ″) and six small display types (B ″) is depicted. When loaded from the short side, the large display type is shown. (A ″) requires four operations (1) to (4) in total, and the small display type (B ″) requires three operations (5) to (7) in total.
The order of the work steps is (1), (2), (3), (4), (5), (6), and (7) in FIG.
On the other hand, when loading from the long side, the large display type (A ″) requires 4 operations (1) to (4), and the small display type (B ″) requires 6 operations (5). ~ (10) is required.
The order of the action steps is (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) in FIG.
Here, in the case of the display type pattern of FIG. 13 = FIG. 14, loading from the long side can shorten the work time and loading is therefore more productive than loading from the short side.

  The working time required to form the display pattern depends on the shape of the display mold as shown in the above comparison, and the productivity can be improved by rotating the table that receives the original glass to achieve the shortest distribution time. .

FIG. 15 shows an example of the structure of a sealing material dispenser (dispenser device) according to another embodiment of the present invention.
Lever to refer to FIG. 15, the sealing material dispenser includes a stage 55 'to receive Lagen glass suited towards the long sides of the direction or the base glass towards the short side of the base glass,
A stage 45 'with a table 45' that is movable at the top and forward and backward;
A first linear motor that drives the stage 55 'in a first direction of the table 45';
Linear motor guides 20 ′ arranged on both sides of the table 45 ′ so as to have lengths in the front and rear directions,
A support frame 35 ′ provided perpendicular to the linear motor guide so as to be movable along the linear motor guide;
A second linear motor for moving the support frame 35 'along the linear motor guide;
One side of the support frame 35 'is provided so as to be movable in the vertical direction along the longitudinal direction of the linear motor guide 20', and a sealing material is applied in a specific pattern on the surface of the original glass fixed to the stage 55 '. A plurality of dispenser head units,
A third linear motor for moving each dispenser head unit in a direction perpendicular to the linear motor guide 20 ';
And a control unit for controlling driving of each device.

Furthermore, the table 45 ' has a fixed structure. Also, the length of all four sides of each stage 55 ' is longer than the longest side of the original glass.
With the arrangement of such a structure, the original glass can be placed on the stage 55 ′ in any direction on the long side or the short side without any problem.
Rather, in FIG. 15 , it is desirable that L1 and L2 are the same , that is, all four sides have the same length.

On the other hand, a plurality of vacuum absorption holes 51 are provided on the upper surface of the stage 55 ′ so as to safely suck and fix the loaded original glass .
In the case of this, electrically connected to the control and the vacuum absorption hole 51 of the sealing material dispenser, after loading of the raw glass along the carrying direction of the base glass, provided at a position corresponding to the position to be placed Control is performed so that only the vacuum suction holes are selectively activated.

Linear motors, other units, such as the dispenser head及beauty f head mount, has a structure like units encapsulant dispenser for implementation that by the example L CD of the present invention, for which Description of is omitted .

According to another embodiment of the present invention, the stage 55 'is Ru mower that the long side or in any direction of a short side base glass is provided is carried.
Therefore, by determining the carry-in direction of the original glass that minimizes the work time in advance and carrying in and working the original glass, the work can be performed more efficiently in an earlier time.

In an encapsulant dispenser, the raw glass is not necessarily loaded in a direction that provides the most optimal dispensing process time.
Instead, loading the raw glass in different directions may provide a shorter and more efficient processing time.
First, to solve this problem, if the loaded configuration does not provide the optimal dispensing process time, the loaded raw glass can be adjusted or turned on a table.
Alternatively, the raw glass can be loaded in a direction to provide an optimal processing time by determining the optimal processing time before loading the raw glass.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention.
Accordingly, it is intended that the present invention cover modifications and variations of the invention are provided, which come within the scope of the appended claims and their equivalents.

It is an example of the manufacturing machine provided with the conventional sealing material dispenser. It is a conventional sealing material dispenser. It is explanatory drawing at the time of loading the raw glass which has four large displays and six small displays from a 1st direction by a prior art. It is explanatory drawing at the time of loading the raw glass which has four small displays six small displays from a 2nd direction. It is a structure diagram of the manufacturing machine provided with the sealing material dispenser based on Example 1 of this invention. It is explanatory drawing of the example which concerns on another Example of this invention and drawn the sealing material dispenser which has a table which can rotate. FIG. 7 is a cross-sectional view (I-I) of the encapsulant dispenser of FIG. 6 showing the combined structure of the motor and table. It is a flowchart which shows the sealing material distribution work process of the sealing material dispenser for LCD. FIG. 6 is an illustration when loaded in a first direction, illustrating that the raw glass for the display forms (A). FIG. 6 is an illustration when loaded in a second direction, illustrating that the raw glass for the display forms (A). FIG. 6 is an illustration when loaded in a first direction, illustrating that the raw glass for the display forms (B). FIG. 6 is an illustration when loaded in a second direction, illustrating that the raw glass for the display forms (B). It is explanatory drawing which shows that the liquid crystal which distribute | distributes the effect | action with respect to a display after a raw glass is loaded to a 1st direction forms (B). It is explanatory drawing which shows that the liquid crystal which distributes the effect | action with respect to a display forms (B), after an original glass is loaded to a 2nd direction. It is explanatory drawing which illustrates the example of the structure of the sealing material dispenser by another embodiment of this invention.

Explanation of symbols

11 (for TFT) original glass 12 (for color filter) original glass 15, 150 Transport unit 21 Liquid crystal dispenser 22 Sealing material dispenser 30 Surface adjustment unit 40 Adhering unit 50 Cutting unit 101 First rotating unit 102 Second rotating unit 201 Liquid crystal dispenser 202 Sealing material dispenser 300 Surface conditioning unit 400 Coupling unit 500 Cutting unit

Claims (22)

In a flat display device manufacturing machine,
Calculate the time required to perform distribution work when loading raw glass with multiple display types loaded from its short side and when loading from its long side, and compare the calculated distribution work time A shorter distribution work time, and a rotation unit that rotates the loading direction of the raw glass based on the determined shorter distribution work time;
A dispenser device that performs a dispensing operation of a sealing material or liquid crystal,
A table that can be rotated ± 90 degrees around its central axis to receive the loaded raw glass;
A drive for rotating the table;
A stage provided on the table, on which the original glass can be fixed; and a plurality of head units arranged along the first direction and movable in the first direction and the second direction with respect to the original glass ,
A dispenser device comprising:
A flat display device manufacturing machine, comprising:   2. The flat display device manufacturing machine according to claim 1, wherein the driving device includes a gear assembly including a motor that applies a driving force to the table and a plurality of gears that control a rotation speed of the motor. .   The flat display device manufacturing machine according to claim 1, further comprising a first linear motor that drives the stage in the first direction.   The first linear motor includes a plurality of first magnets arranged on the table in the front-rear direction of the table, and a first provided on the stage so as to face the first magnet. The flat display device manufacturing machine according to claim 3, further comprising a mover. At least two second linear motor guides arranged parallel to each other at both ends of the table and perpendicular to the second linear motor guides so that the stage can move in the first direction. Further comprising at least two support frames arranged in different directions;
The flat display device manufacturing machine according to claim 3, wherein the first direction is parallel to the long side of the original glass and perpendicular to the short side.   6. The flat display device manufacturing machine according to claim 5, wherein lower surfaces of both ends of the support frame are coupled to the second linear motor guide.   6. The plane according to claim 5, wherein the distance between the second linear motor guides is longer than the diagonal length of the table so that the table can be rotated ± 90 degrees without interference. Display device manufacturing machine.   6. The flat display device manufacturing machine according to claim 5, further comprising a second linear motor that drives the support frame along the second linear motor guide.   The second linear motor includes a plurality of second magnets arranged in the first direction on the second linear motor guide, and the support frame so as to face the second magnets. 9. The manufacturing machine for a flat display device according to claim 8, further comprising second moving elements provided on both sides of the lower region of the flat display device. A plurality of head mounts in which the head unit moves in the second direction;
A plurality of heads provided in each of the head mounts;
A syringe containing a sealing material or liquid crystal provided in the head;
The flat display device manufacturing machine according to claim 1, further comprising:   The flat display device manufacturing machine according to claim 10, wherein the plurality of head mounts operate independently.   The flat display device manufacturing machine according to claim 1, further comprising a third linear motor that drives each of the head units.   A plurality of third magnets arranged in the second direction on one side of the support frame, and a lower portion of the support frame so as to face the third magnet The flat display device manufacturing machine according to claim 12, further comprising third moving elements provided on both sides of the area.   The flat panel display manufacturing machine according to claim 1, wherein the stage includes a plurality of vacuum suction holes for fixing the loaded original glass.   The flat display device manufacturing machine according to claim 14, wherein the vacuum suction hole is selectively operated based on a portion covered by the original glass and a direction in which the original glass is loaded.   The flat display device manufacturing machine according to claim 1, wherein all four sides of the stage are longer than the longest side of the original glass, and the original glass can be loaded in an arbitrary direction.   The flat display device manufacturing machine according to claim 16, wherein the four sides of the stage have the same length. A method for controlling the dispensing operation of the liquid crystal or the sealing material,
Providing a raw glass having a plurality of display molds printed thereon;
Calculating the time required to perform the distribution work when the original glass is loaded from its short side and when loaded from its long side;
Comparing the calculated dispensing work time to determine a shorter dispensing work time;
Loading the raw glass from at least one of its short side or long side based on the determined shorter distribution time and in the first direction based on the determined shorter distribution time And starting a dispensing operation with a plurality of head units arranged along and movable in the first direction and the second direction relative to the raw glass. further,
Rotating a table loaded with the raw glass to receive the raw glass;
Placing the original glass on the table from its short side or long side; and fixing the original glass loaded on the table to a stage provided on the table;
The method of claim 18, comprising:   20. The method of claim 19, wherein the table is rotatable by ± 90 degrees about its central axis.   The dispensing operation time is calculated for each of the different display types printed on the raw glass, multiplied by the number of the same display types multiplied by the time required to process that display type; 19. A method according to claim 18 characterized in that A method of manufacturing a flat display device using the method according to any one of claims 18 to 21,
A method comprising the steps of attaching at least two of the original glasses to each other and cutting a display mold from the attached original glasses.

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