TWI525363B - Apparatus for supplying liquid crystal - Google Patents

Description

Liquid crystal supply device

The present invention relates to a liquid crystal supply device.

Liquid crystal displays (LCDs) include a mother board having a color filter layer to form a color image, another mother board having a thin film transistor, and a liquid crystal layer between the two mother boards.

The liquid crystal display displays an image in such a manner that the driving device drives liquid crystal molecules constituting the liquid crystal layer to control the amount of light transmitted through the liquid crystal layer.

At least one or more unit panel areas are defined on each of the motherboards. The liquid crystal droplets are applied to the unit panel area.

Meanwhile, the liquid crystal coater includes a coating head unit. The coating head unit coats the liquid crystal droplets to the unit panel region by the nozzle. A liquid crystal bottle (hereinafter referred to as a "bottle") is removably attached to the coating head unit. The bottle holder has a cap. The cap has a receiving hole.

Furthermore, the liquid crystal supply device includes a liquid crystal cell, a tube support tube, a tube member, a pressure supply unit, and a valve member. The liquid crystal cell stores the liquid crystal. The first end of the tube is connected to the liquid crystal channel, and the second end is inserted into the tube support tube. The pressure supply unit supplies pressure to the inside of the liquid crystal cell. Finally, the valve member opens or closes the tube to control the flow of the liquid crystal.

In order to supply the liquid crystal to the bottle, the tube support tube is inserted into the receiving hole of the cap, and the pressure supply unit supplies pressure to the inside of the liquid crystal cell. In this state, when the valve member opens the tube member, the liquid crystal stored in the liquid crystal cell is supplied to the bottle through the tube member and the receiving hole.

At the same time, in order to replace the type of liquid crystal to be applied to the unit panel area, the liquid crystal cell, the tube member, and the valve member must be replaced with new ones, and a new type of liquid crystal is prevented from being mixed with the existing liquid crystal.

Accordingly, the present invention has been made in view of the problems occurring in the prior art, and it is an object of the present invention to provide a liquid crystal supply device which facilitates the operation of replacing the liquid crystal type supplied to the bottle.

In order to achieve the above object, the present invention provides a liquid crystal supply device comprising: a plurality of liquid crystal cells each storing different kinds of liquid crystals; a plurality of tube members having a first end connected to an individual liquid crystal cell; and a tube support block having a plurality of perforations respectively for the second end of the tube member Insertion; a plurality of valve members are provided for individual tubes; and a pressure supply unit supplies pressure to the liquid crystal cells.

In another aspect, the present invention provides a liquid crystal supply device comprising: a plurality of liquid crystal cells each storing different kinds of liquid crystals; a plurality of tube members having a first end connected to an individual liquid crystal cell; and a plurality of tube support tubes respectively inserting the second end of the tube member; A plurality of valve members are provided to the individual tubes; and the pressure supply unit supplies pressure to the liquid crystal cells.

In another aspect, the present invention provides a liquid crystal supply device comprising: a first liquid crystal cell storing liquid crystal therein; a tube member having a first end connected to the first liquid crystal cell; and another tube member replacing the first liquid crystal cell with another liquid crystal The second liquid crystal cell, the first end of the other pipe member is connected to the second liquid crystal cell; the pipe support block has a plurality of perforations for respectively inserting the second ends of the pipe members; the plurality of valve members are provided on the individual pipe members; and the pressure supply The unit supplies pressure to the liquid crystal cell.

In still another aspect, the present invention provides a liquid crystal supply device comprising: a first liquid crystal cell storing liquid crystal therein; a tube member having a first end connected to the first liquid crystal cell; and another tube member, when the first liquid crystal cell is replaced by another one In the second liquid crystal cell of the liquid crystal, the first end of the other pipe member is connected to the second liquid crystal cell; the plurality of pipe support tubes are respectively inserted into the second ends of the pipe members; the plurality of valve members are provided on the individual pipe members; and the pressure supply unit is supplied Pressure to the liquid crystal cell.

Hereinafter, a liquid crystal supply device according to a first embodiment of the present invention will be described with reference to the accompanying drawings.

1 is a schematic view of a liquid crystal supply device and a liquid crystal coater 10 to supply a liquid crystal according to a first embodiment of the present invention.

As shown in FIG. 1, the liquid crystal coater 10 includes a main frame 11, a stage 13 for placing a mother board, a coating head unit support frame 15 movably provided to the main frame 11, and a support frame unit 15 by the coating head unit. The coated coating unit 17 is supported. The bottle holder 20 is removably mounted to the coating head unit 17. The bottle holder 20 has a bottle cap 21. The receiving hole 21a is formed in the cap 21.

The liquid crystal coater 10 is placed in the clean bench X to prevent the mother board placed on the stage 13 from being contaminated by impurities.

A liquid crystal supply device according to a first embodiment of the present invention includes a bottom plate 110, a plurality of liquid crystal cells 121, 122, and 123, a pressure supply unit 130, an injection unit 140, a plurality of tubes 151, 152, and 153, and a plurality of valve members 161, 162. And 163.

As shown in FIG. 1, the liquid crystal cells 121, 122, and 123 and the pressure supply unit 130 are mounted on the upper surface of the bottom plate 110.

The liquid crystal cells 121, 122, and 123 each store a different type of liquid crystal.

The first liquid crystal cell 121 stores A liquid crystal (layer liquid crystal).

The second liquid crystal cell 122 stores B kinds of liquid crystals (nematic liquid crystal).

The third liquid crystal cell 123 stores C kinds of liquid crystals (cholesterol liquid crystal).

The pressure supply unit 130 includes an air pump 131, a main pipe M, sub-pipes S1, S2, and S3, and a steering valve 132.

The air pump 131 supplies pressure to the liquid crystal cells 121, 122, and 123 through the main pipe M, the steering valve 132, and the sub-tubes S1, S2, and S3.

When the air pump 131 supplies pressure to the first liquid crystal cell 121, the steering valve 132 communicates the main pipe M with the first sub-tube S1.

When the air pump 131 supplies pressure to the second liquid crystal cell 122, the steering valve 132 communicates the main pipe M with the second sub-tube S2.

When the air pump 131 supplies pressure to the third liquid crystal tank 123, the steering valve 132 communicates the main pipe M and the third sub-tube S3.

The injection unit 140 includes a bottom plate 141, a cylinder 142, a holder 143, and a tube support block 144.

The cylinder 142 is mounted on the upper surface of the bottom plate 141. The holder 143 is coupled to the rod 142a of the cylinder 142.

The supporter 143 supports the support member 144.

2 shows a side view of the tube support block 144 of FIG.

As shown in FIG. 2, the tube support block 144 has perforations 144a, 144b, and 144c.

The first through hole 144a, the second through hole 144b, and the third through hole 144c are formed from the front surface F of the pipe support block 144 through the rear surface R.

The first end of the first tube member 151 is connected to the first liquid crystal cell 121. The second end of the first tube member 151 is inserted into the first through hole 144a. The second end of the first tubular member 151 protrudes from the front surface F of the tubular support block 144.

The first end of the second tube member 152 is connected to the second liquid crystal cell 122. The second end of the second tubular member 152 is inserted into the second through hole 144b. The second end of the second tubular member 152 protrudes from the front surface F of the tubular support block 144.

The first end of the third pipe member 153 is connected to the third liquid crystal cell 123. The second end of the third tubular member 153 is inserted into the third through hole 144c. The second end of the third tube member 153 protrudes from the front surface F of the tube support block 144.

The first through hole 144a, the second through hole 144b, and the third through hole 144c are disposed in order from top to bottom. The front surface F of the tube support block 144 has a stepped shape such that the first through hole 144a, the second through hole 144b, and the third through hole 144c are shorter in length from the top to the bottom of the tube support block 144. Due to this configuration, the A type liquid crystal discharged from the first tube member 151 is prevented from being applied to the second tube member 152 or the third tube member 153. Further, the B kinds of liquid crystals discharged from the second tube member 152 are prevented from being applied to the third tube member 153.

The valve members 161, 162, and 163 respectively close or open the tubes 151, 152, and 153 to control the flow of the liquid crystal.

The first valve member 161 closes or opens the first tube member 151 to control the flow of the corresponding liquid crystal.

The second valve member 162 closes or opens the second tubular member 152 to control the flow of the corresponding liquid crystal.

The third valve member 163 closes or opens the third tube member 153 to control the flow of the corresponding liquid crystal.

Referring to Fig. 1 and Fig. 2, an operation of supplying liquid crystal to the bottle 20 by the liquid crystal supply device according to the first embodiment of the present invention will be described.

First, the operation of supplying the liquid crystal of A to the bottle 20 will be described.

The liquid crystal coater 10 moves the coating head unit support frame 15 to set the bottle holder 20 attached to the coating head unit 17 at a reference point. The term "reference point" indicates that the position of the bottle holder 20 can advance the holder 143 by a predetermined distance due to the rod 142a of the cylinder 142, and the tube support block 144 can be inserted into the receiving hole 21a.

Thereafter, the rod 142a of the cylinder 142 advances the holder 143 by a predetermined distance, and the tube supporting block 144 is inserted into the receiving hole 21a.

Next, the first valve member 161 opens the first tube member 151, so that the liquid crystal of the A type can flow through the first tube member 151.

The steering valve 132 communicates the main pipe M with the first sub-tube S1.

The air pump 131 supplies pressure to the first liquid crystal cell 121 through the main pipe M and the first sub-tube S1.

Then, the liquid crystal of the A type is supplied to the bottle 20 through the first tube member 151 and the receiving hole 21a by the pressure applied to the first liquid crystal cell 121.

The operation of supplying the B liquid crystals to the bottle 20 will be described below.

The operator replaces the bottle 20 with a new bottle.

The liquid crystal coater 10 moves the coating head unit support frame 15 to set the bottle holder 20 attached to the coating head unit 17 at a reference point.

Thereafter, the rod 142a of the cylinder 142 advances the holder 143 by a predetermined distance, and the tube supporting block 144 is inserted into the receiving hole 21a.

Next, the second valve member 162 opens the second tube member 152, so that the B type liquid crystal can flow through the second tube member 152.

The steering valve 132 communicates the main pipe M with the second sub-tube S2.

The air pump 131 supplies pressure to the second liquid crystal cell 122 through the main pipe M and the second sub-tube S2.

Then, the B liquid crystals are supplied to the bottle 20 through the second tube member 152 and the receiving hole 21a by the pressure applied to the second liquid crystal cell 122.

Next, the operation of supplying the C liquid crystals to the bottle 20 will be described below.

The operator replaces the bottle 20 with a new bottle.

The liquid crystal coater 10 moves the coating head unit support frame 15 to set the bottle holder 20 attached to the coating head unit 17 at a reference point.

Thereafter, the rod 142a of the cylinder 142 advances the holder 143 by a predetermined distance, and the tube supporting block 144 is inserted into the receiving hole 21a.

Next, the third valve member 163 opens the third tube member 153, so that the C type liquid crystal can flow through the third tube member 153.

The steering valve 132 communicates the main pipe M with the third sub-tube S3.

The air pump 131 supplies pressure to the third liquid crystal cell 123 through the main pipe M and the third sub-tube S3.

Then, the C liquid crystal is supplied to the bottle 20 through the third tube member 153 and the receiving hole 21a by the pressure applied to the third liquid crystal cell 123.

Hereinafter, a liquid crystal supply device according to a second embodiment of the present invention will be explained.

4 is a schematic view of a liquid crystal supply device according to a second embodiment of the present invention.

As shown in FIG. 4, a liquid crystal supply device according to a second embodiment of the present invention includes a bottom plate 110, a plurality of liquid crystal cells 121, 122, and 123, a pressure supply unit 130, an injection unit 140, a plurality of tubes 151, 152, and 153, and The plurality of valve members 161, 162, and 163.

Except for the injection unit 140, the elements of the liquid crystal supply device of the second embodiment are the same as those of the liquid crystal supply device of the first embodiment, and therefore no further explanation is required. Only the injection unit 140 will be described in detail.

The injection unit 140 includes a bottom plate 141, a cylinder 142, a holder 143, and a plurality of tube support tubes 145a, 145b, and 145c.

The bottom plate 141 is attached to the inner surface of the side wall of the clean bench X.

A cylinder 142 is provided on the upper surface of the bottom plate 141. The holder 143 is coupled to the rod 142a of the cylinder 142.

The holder 143 supports the support members 145a, 145b, and 145c.

Figure 5 is a side elevational view of the tube support tubes 145a, 145b, and 145c of Figure 4.

As shown in FIG. 5, the tube support tubes 145a, 145b, and 145c may be adhered to each other by the adhesive A. Alternatively, the tube support tubes 145a, 145b, and 145c may be tied together using a cord.

The pipe members 151, 152, and 153 are inserted into the pipe support pipes 145a, 145b, and 145c, respectively.

The first end of the first tube member 151 is connected to the first liquid crystal cell 121. The second end of the first tube member 151 is inserted into the first tube support tube 145a. The second end of the first tube member 151 protrudes from one end of the first tube support tube 145a.

The first end of the second tube member 152 is connected to the second liquid crystal cell 122. The second end of the second tube member 152 is inserted into the second tube support tube 145b. The second end of the second tube member 152 protrudes from one end of the tube support tube 145b.

The first end of the third pipe member 153 is connected to the third liquid crystal cell 123. The second end of the third pipe member 153 is inserted into the third pipe support pipe 145c. The second end of the third pipe member 153 protrudes from one end of the third pipe support pipe 145c.

The inlet of the first pipe support pipe 145a, the inlet of the second pipe support pipe 145b, and the inlet of the third pipe support pipe 145c are flush with each other at the plane P. The first pipe support pipe 145a, the second pipe support pipe 145b, and the third pipe support pipe 145c are sequentially disposed from the top to the bottom. The length L1 of the first pipe support pipe 145a, the length L2 of the second pipe support pipe 145b, and the length L3 of the third pipe support pipe 145c are sequentially decreased from the first pipe support pipe 145a to the third pipe support pipe 145c.

Due to this configuration, the A type liquid crystal discharged from the first tube member 151 is prevented from being applied to the second tube member 152 or the third tube member 153. Further, the B kinds of liquid crystals discharged from the second tube member 152 are prevented from being applied to the third tube member 153.

Referring to Figures 1 and 4, the operation of supplying liquid crystal to the bottle 20 using the liquid crystal supply device according to the second embodiment of the present invention will be described.

First, the operation of supplying the liquid crystal of A to the bottle 20 will be described.

The liquid crystal coater 10 moves the coating head unit support frame 15 to set the bottle holder 20 attached to the coating head unit 17 at a reference point.

The term "reference point" indicates that the position of the bottle holder 20 can advance the holder 143 by a predetermined distance due to the rod 142a of the cylinder 142, and the tube support tubes 145a, 145b, and 145c can be inserted into the receiving hole 21a.

Thereafter, the rod 142a of the cylinder 142 advances the holder 143 by a predetermined distance, and the tube support tubes 145a, 145b, and 145c are inserted into the receiving hole 21a.

Next, the first valve member 161 opens the first tube member 151, so that the liquid crystal of the A type can flow through the first tube member 151.

The steering valve 132 communicates the main pipe M with the first sub-tube S1.

The air pump 131 supplies pressure to the first liquid crystal cell 121 through the main pipe M and the first sub-tube S1.

Then, the liquid crystal of the A type is supplied to the bottle 20 through the first tube member 151 and the receiving hole 21a by the pressure applied to the first liquid crystal cell 121.

The operation of supplying the B liquid crystals to the bottle 20 will be described below.

The operator replaces the bottle 20 with a new bottle.

The liquid crystal coater 10 moves the coating head unit support frame 15 to set the bottle holder 20 attached to the coating head unit 17 at a reference point.

Thereafter, the rod 142a of the cylinder 142 advances the holder 143 by a predetermined distance, and the tube support tubes 145a, 145b, and 145c are inserted into the receiving hole 21a.

Next, the second valve member 162 opens the second tube member 152, so that the B type liquid crystal can flow through the second tube member 152.

The steering valve 132 communicates the main pipe M with the second sub-tube S2.

The air pump 131 supplies pressure to the second liquid crystal cell 122 through the main pipe M and the second sub-tube S2.

Then, the B liquid crystals are supplied to the bottle 20 through the second tube member 152 and the receiving hole 21a by the pressure applied to the second liquid crystal cell 122.

Next, the operation of supplying the C liquid crystals to the bottle 20 will be described below.

The operator replaces the bottle 20 with a new bottle.

The liquid crystal coater 10 moves the coating head unit support frame 15 to set the bottle holder 20 attached to the coating head unit 17 at a reference point.

Thereafter, the rod 142a of the cylinder 142 advances the holder 143 by a predetermined distance, and the tube support tubes 145a, 145b, and 145c are inserted into the receiving hole 21a.

Next, the third valve member 163 opens the third tube member 153, so that the C type liquid crystal can flow through the third tube member 153.

The steering valve 132 communicates the main pipe M with the third sub-tube S3.

The air pump 131 supplies pressure to the third liquid crystal cell 123 through the main pipe M and the third sub-tube S3.

Then, the C liquid crystal is supplied to the bottle 20 through the third tube member 153 and the receiving hole 21a by the pressure applied to the third liquid crystal cell 123.

Hereinafter, a liquid crystal supply device according to a third embodiment of the present invention will be explained.

Figure 6 is a schematic view of a liquid crystal supply device in accordance with a third embodiment of the present invention.

As shown in FIG. 6, a liquid crystal supply device according to a third embodiment of the present invention includes a bottom plate 110, a plurality of liquid crystal cells 121, 122, and 123, a pressure supply unit 130, an injection unit 140, a plurality of tubes 151, 152, and 153, and The plurality of valve members 161, 162, and 163.

The elements of the liquid crystal supply device of the third embodiment are identical to those of the liquid crystal supply device of the first embodiment except for the pressure supply unit 130. Further, in addition to the pressure supply unit 130 and the injection unit 140, the elements of the liquid crystal supply device according to the third embodiment are the same as those of the second embodiment liquid crystal supply device. Therefore, only the pressure supply unit 130 will be described in detail below.

The pressure supply unit 130 includes a plurality of air pumps 131a, 131b, and 131c and a plurality of pressure supply pipes M1, M2, and M3.

The air pumps 131a, 131b, and 131c supply pressure to the liquid crystal cells 121, 122, and 123, respectively, through the pressure supply pipes M1, M2, and M3.

The first air pump 131a supplies pressure to the first liquid crystal cell 121 through the first pressure supply pipe M1.

The second air pump 131b supplies pressure to the second liquid crystal cell 122 through the second pressure supply pipe M2.

The third air pump 131c supplies pressure to the third liquid crystal tank 123 through the third pressure supply pipe M3.

Referring to Fig. 1 and Fig. 6, an operation of supplying liquid crystal to the bottle 20 by the liquid crystal supply device according to the third embodiment of the present invention will be described.

First, the operation of supplying the liquid crystal of A to the bottle 20 will be described.

The liquid crystal coater 10 moves the coating head unit support frame 15 to set the bottle holder 20 attached to the coating head unit 17 at a reference point.

The term "reference point" indicates that the position of the bottle holder 20 can advance the holder 143 by a predetermined distance due to the cylinder 142, and the tube support block 144 can be inserted into the receiving hole 21a.

Thereafter, the rod 142a of the cylinder 142 advances the holder 143 by a predetermined distance, and the tube support block 144 is inserted into the receiving hole 21a.

Next, the first valve member 161 opens the first tube member 151, so that the liquid crystal of the A type can flow through the first tube member 151.

The first air pump 131a supplies pressure to the first liquid crystal cell 121 through the first pressure supply pipe M1.

Then, the liquid crystal of the A type is supplied to the bottle 20 through the first tube member 151 and the receiving hole 21a by the pressure applied to the first liquid crystal cell 121.

The operation of supplying the B liquid crystals to the bottle 20 will be described below.

The operator replaces the bottle 20 with a new bottle.

The liquid crystal coater 10 moves the coating head unit support frame 15 to set the bottle holder 20 attached to the coating head unit 17 at a reference point.

Thereafter, the rod 142a of the cylinder 142 advances the holder 143 by a predetermined distance, and the tube support block 144 is inserted into the receiving hole 21a.

Next, the second valve member 162 opens the second tube member 152, so that the B type liquid crystal can flow through the second tube member 152.

The second air pump 131b supplies pressure to the second liquid crystal cell 122 through the second pressure supply pipe M2.

Then, the B liquid crystals are supplied to the bottle 20 through the second tube member 152 and the receiving hole 21a by the pressure applied to the second liquid crystal cell 122.

Next, the operation of supplying the C liquid crystals to the bottle 20 will be described below.

The operator replaces the bottle 20 with a new bottle.

The liquid crystal coater 10 moves the coating head unit support frame 15 to set the bottle holder 20 attached to the coating head unit 17 at a reference point.

Thereafter, the rod 142a of the cylinder 142 advances the holder 143 by a predetermined distance, and the tube support block 144 is inserted into the receiving hole 21a.

Next, the third valve member 163 opens the third tube member 153, so that the C type liquid crystal can flow through the third tube member 153.

The third air pump 131c supplies pressure to the third liquid crystal tank 123 through the third pressure supply pipe M3.

Then, the C liquid crystal is supplied to the bottle 20 through the third tube member 153 and the receiving hole 21a by the pressure applied to the third liquid crystal cell 123.

Hereinafter, a liquid crystal supply device according to a fourth embodiment of the present invention will be explained.

Figure 7 is a schematic view of a liquid crystal supply device in accordance with a fourth embodiment of the present invention.

As shown in FIG. 7, a liquid crystal supply device according to a fourth embodiment of the present invention includes a bottom plate 110, a liquid crystal cell 120, a pressure supply unit 130, an injection unit 140, a plurality of tubes 151, 152, and 153, and a plurality of valve members 161, 162. And 163.

Except for the liquid crystal cell 120 and the pressure supply unit 130, the elements of the liquid crystal supply device of the fourth embodiment are the same as those of the liquid crystal supply device of the first embodiment. Further, in addition to the liquid crystal cell 120, the pressure supply unit 130, and the injection unit 140, the elements of the liquid crystal supply device according to the fourth embodiment are the same as those of the second embodiment liquid crystal supply device. Therefore, only the liquid crystal cell 120 and the pressure supply unit 130 will be described in detail below.

As shown in FIG. 7, the liquid crystal cell 120 and the pressure supply unit 130 are placed on the upper surface of the bottom plate 110. In the fourth embodiment, only the liquid crystal cells of the liquid crystal type to be supplied to the bottle 20 are placed on the bottom plate 110. This is because the replacement of the liquid crystal cell does not occur very often, so that it is not necessary to place the liquid crystal cell which does not store the liquid crystal type to be supplied to the bottle 20 to the upper surface of the bottom plate 110. Thereby, the space required for mounting the liquid crystal cell 120 is reduced.

The pressure supply unit 130 includes an air pump 131 and a pressure supply pipe 133.

The air pump 131 supplies pressure to the liquid crystal cell 120 through the pressure supply pipe 133.

The first end of the pressure supply pipe 133 is connected to the liquid crystal tank 120, and the second end is connected to the air pump 131.

The liquid crystal cell 120 stores liquid crystal of type A.

The liquid crystal cell 120 is connected to the first tube 151 and the first end of the pressure supply tube 133.

When it is necessary to supply the B liquid crystal to the bottle 20, the bottle 20 is replaced with a new bottle. The liquid crystal cell 120 is also replaced by another liquid crystal cell that stores B kinds of liquid crystals. Thereafter, the liquid crystal cell 120 storing the B kinds of liquid crystals is connected to the first ends of the second tube member 152 and the pressure supply tube 133.

When it is necessary to supply the C liquid crystal to the bottle 20, the bottle 20 is replaced with a new bottle. The liquid crystal cell 120 is also replaced by another liquid crystal cell that stores C kinds of liquid crystals. Thereafter, the liquid crystal cell 120 storing the C liquid crystals is connected to the first ends of the third tube member 153 and the pressure supply tube 133.

Referring to Fig. 1 and Fig. 7, an operation of supplying liquid crystal to the bottle 20 by the liquid crystal supply device according to the fourth embodiment of the present invention will be described.

First, the operation of supplying the liquid crystal of A to the bottle 20 will be described.

The liquid crystal coater 10 moves the coating head unit support frame 15 to set the bottle holder 20 attached to the coating head unit 17 at a reference point.

The term "reference point" indicates that the position of the bottle holder 20 can advance the holder 143 by a predetermined distance due to the cylinder 142, and the tube support block 144 can be inserted into the receiving hole 21a.

Thereafter, the rod 142a of the cylinder 142 advances the holder 143 by a predetermined distance, and the tube support block 144 is inserted into the receiving hole 21a.

Next, the first valve member 161 opens the first tube member 151, so that the liquid crystal of the A type can flow through the first tube member 151.

The air pump 131 supplies pressure to the liquid crystal cell 120 through the pressure supply pipe 133.

Then, the liquid crystal of the A type is supplied to the bottle 20 through the first tube member 151 and the receiving hole 21a by the pressure applied to the liquid crystal cell 120.

The operation of supplying the B liquid crystals to the bottle 20 will be described below.

The operator replaces the bottle 20 with a new bottle.

The operator replaces the liquid crystal cell 120 with a liquid crystal cell in which B liquid crystals are stored.

The operator connects the liquid crystal cell 120 storing the B kinds of liquid crystals to the first end of the second tube member 152 and the pressure supply tube 133.

Next, the liquid crystal coater 10 moves the coating head unit support frame 15 to set the bottle stopper 20 attached to the coating head unit 17 to the reference point.

Thereafter, the rod 142a of the cylinder 142 advances the holder 143 by a predetermined distance, and the tube support block 144 is inserted into the receiving hole 21a.

Next, the second valve member 162 opens the second tube member 152, so that the B type liquid crystal can flow through the second tube member 152.

The air pump 131 supplies pressure to the liquid crystal cell 120 through the pressure supply pipe 133.

Then, the B kinds of liquid crystals are supplied to the bottle 20 through the second tube member 152 and the receiving hole 21a by the pressure applied to the liquid crystal cell 120.

Next, the operation of supplying the C liquid crystals to the bottle 20 will be described below.

The operator replaces the bottle 20 with a new bottle.

The operator replaces the liquid crystal cell 120 with a liquid crystal cell in which C kinds of liquid crystals are stored.

The operator connects the liquid crystal cell 120 storing the C kinds of liquid crystals to the first ends of the third tube member 153 and the pressure supply tube 133.

Next, the liquid crystal coater 10 moves the coating head unit support frame 15 to set the bottle stopper 20 attached to the coating head unit 17 to the reference point.

Thereafter, the rod 142a of the cylinder 142 advances the holder 143 by a predetermined distance, and the tube support block 144 is inserted into the receiving hole 21a.

Next, the third valve member 163 opens the third tube member 153, so that the C type liquid crystal can flow through the third tube member 153.

The air pump 131 supplies pressure to the liquid crystal cell 120 through the pressure supply pipe 133.

Then, the C liquid crystal is supplied to the bottle 20 through the third tube member 153 and the receiving hole 21a by the pressure applied to the liquid crystal cell 120.

As described above, in the liquid crystal supply device of the present invention, different tube members and valve members are provided for different kinds of liquid crystals. Therefore, after the tube support block or the plurality of tube support tubes are inserted into the receiving holes, the liquid crystals of the desired kind can be supplied to the corresponding bottle through the corresponding tubes. Therefore, it is possible to facilitate the replacement of the operation of supplying the liquid crystal type.

10. . . Liquid crystal coating machine

11. . . Main frame

13. . . platform

15. . . Coating head unit support frame

17. . . Coating head unit

20. . . Bottle

twenty one. . . Cap

21a. . . Accepting hole

110. . . Bottom plate

120. . . LCD channel

121, 122, 123. . . LCD channel

130. . . Pressure supply unit

131. . . Air pump

131a, 131b, 131c. . . Air pump

132. . . Steering valve

133. . . Pressure supply pipe

140. . . Injection unit

141. . . Bottom plate

142. . . cylinder

142a. . . Lever

143. . . Supporter

144. . . Pipe support block

144a, 144b, 144c. . . perforation

145a, 145b, 145c. . . Pipe support tube

151, 152, 153. . . Pipe fittings

161, 162, 163. . . Valve

A. . . Adhesive

F. . . Front surface

L1, L2, L3. . . length

M. . . Supervisor

M1, M2, M3. . . Pressure supply pipe

P. . . flat

R. . . Rear surface S1, S2, S3 sub-tube

X. . . Clean bench

The foregoing and other objects, features, and advantages of the present invention will be apparent from

1 is a schematic view of a liquid crystal supply device and a liquid crystal coater to which a liquid crystal is to be supplied according to a first embodiment of the present invention;

Figure 2 is a side view of the tube support block of Figure 1;

Figure 3 is a side elevational view of the first tubular member 151, the second tubular member 152, and the third tubular member 153 inserted into the tubular member support block of Figure 2;

4 is a schematic view of a liquid crystal supply device according to a second embodiment of the present invention;

Figure 5 is a side view of the tube support tube of Figure 4;

Figure 6 is a schematic view of a liquid crystal supply device according to a third embodiment of the present invention;

Figure 7 is a schematic view of a liquid crystal supply device in accordance with a fourth embodiment of the present invention.

10. . . Liquid crystal coating machine

11. . . Main frame

13. . . platform

15. . . Coating head unit support frame

17. . . Coating head unit

20. . . Bottle

twenty one. . . Cap

21a. . . Accepting hole

110. . . Bottom plate

121, 122, 123. . . LCD channel

130. . . Pressure supply unit

131. . . Air pump

132. . . Steering valve

140. . . Injection unit

141. . . Bottom plate

142. . . cylinder

142a. . . Lever

143. . . Supporter

144. . . Pipe support block

151, 152, 153. . . Pipe fittings

161, 162, 163. . . Valve

S1, S2, S3. . . Child tube

X. . . Clean bench

M. . . Supervisor

Claims (13)

A liquid crystal supply device comprising: a plurality of liquid crystal cells each storing different kinds of liquid crystals; a plurality of tube members having a first end connected to individual liquid crystal cells; and a tube supporting block having a plurality of perforations for respectively inserting the second ends of the tubes Wherein the positions of the perforations are sequentially formed from a top of one of the tube support blocks to a bottom portion, and the front surface of the tube support block has a stepped shape such that the length of the perforations is from the tube support block The top to the bottom is sequentially reduced. The liquid crystal supply device of claim 1, wherein the perforations are formed from a front surface of the tube support block to a rear surface. The liquid crystal supply device of claim 2, wherein the liquid crystal supply device further comprises a plurality of valve members provided to the individual tubes; and a pressure supply unit for supplying pressure to the liquid crystal cells. A liquid crystal supply device comprising: a plurality of liquid crystal cells each storing different kinds of liquid crystals; a plurality of tube members having a first end connected to an individual liquid crystal cell; and a plurality of tube supporting tubes for respectively inserting the second ends of the tube members, wherein the The tube support tubes have flush inlets that are arranged in series with each other, and the lengths of the tube support tubes are sequentially decreased by the top tube to the bottom tube. The liquid crystal supply device of claim 4, wherein the tube support tubes are adhered to each other with an adhesive. The liquid crystal supply device of claim 4, wherein the pipe fittings The support tubes are tied to each other by a cord. The liquid crystal supply device of claim 4, wherein the liquid crystal supply device further comprises a plurality of valve members provided to the individual tubes; and a pressure supply unit for supplying pressure to the liquid crystal cells. The liquid crystal supply device according to any one of claims 1 to 7, wherein the pressure supply unit comprises: a plurality of sub-tubes connected to the individual liquid crystal cells; a steering valve connecting the sub-tubes; and a main pipe connecting the steering a valve; and an air pump connected to the main pipe. The liquid crystal supply device according to any one of claims 1 to 7, wherein the pressure supply unit comprises: a plurality of pressure supply pipes connected to the individual liquid crystal cells; and a plurality of air pumps connected to the individual pressure supply pipes. A liquid crystal supply device comprising: a first liquid crystal cell in which a liquid crystal is stored; a tube member, a first end of the tube member is connected to the first liquid crystal cell; and another tube member is replaced by the first liquid crystal cell for storing another When the liquid crystal cell is in the second liquid crystal cell, the first end of the other tube member is connected to the second liquid crystal cell; and a tube supporting block has a plurality of perforations for respectively inserting the second ends of the tube members, wherein the perforations are Positions are formed from the top of one of the tube support blocks to a bottom, and the front surface of the tube support block has a stepped shape such that the length of the perforations depends from the top of the tube support block to the bottom The order is reduced. A liquid crystal supply device comprising: a first liquid crystal cell in which a liquid crystal is stored; a tube member, a first end of the tube member is connected to the first liquid crystal cell; and another tube member is replaced by the first liquid crystal cell for storing another When the liquid crystal cell is in the second liquid crystal cell, the first end of the other tube member is connected to the second liquid crystal cell; and the plurality of tube members support the tube, and the second ends of the tube members are respectively inserted into the tube support tube, wherein the tube support tubes The inlets are flush with each other, and the tube support tubes are arranged in order from top to bottom, and the lengths of the tube support tubes are sequentially decreased by the top tube and the bottom tube. The liquid crystal supply device of claim 10, wherein the pressure supply unit comprises: a pressure supply pipe, wherein the first end of the pressure supply pipe selectively connects one of the liquid crystal cells; An air pump is coupled to the second end of the pressure supply pipe. A liquid crystal supply device comprising: a plurality of liquid crystal cells each storing a different liquid crystal therein; a plurality of tube members, the first ends of the tube members are connected to the individual liquid crystal cells; and a tube support block having a plurality of perforations for respectively the tube members The second end passes through, wherein the tube members are exposed to the front surface of the tube support block in a stepped configuration through the second ends of the perforations, wherein the positions of the perforations are from the top of the tube support block to a bottom Forming, and the front surface of the tube support block has a stepped shape such that the length of the perforations is sequentially reduced from the top to the bottom of the tube support block.