KR20080061722A - Loading apparatus for fbricating liquid crystal display - Google Patents

Loading apparatus for fbricating liquid crystal display Download PDF

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Publication number
KR20080061722A
KR20080061722A KR1020060136745A KR20060136745A KR20080061722A KR 20080061722 A KR20080061722 A KR 20080061722A KR 1020060136745 A KR1020060136745 A KR 1020060136745A KR 20060136745 A KR20060136745 A KR 20060136745A KR 20080061722 A KR20080061722 A KR 20080061722A
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KR
South Korea
Prior art keywords
lever
loading
liquid crystal
crystal display
loading medium
Prior art date
Application number
KR1020060136745A
Other languages
Korean (ko)
Inventor
김태민
Original Assignee
엘지디스플레이 주식회사
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Publication date
Application filed by 엘지디스플레이 주식회사 filed Critical 엘지디스플레이 주식회사
Priority to KR1020060136745A priority Critical patent/KR20080061722A/en
Publication of KR20080061722A publication Critical patent/KR20080061722A/en

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/68—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/76—Making of isolation regions between components

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)

Abstract

A loading apparatus for manufacturing an LCD(Liquid Crystal Display) is provided to align a loading medium in a predetermined loading unit easily without special driving facilities. Plural support bars(120) are arranged in a row so as to mount a loading medium(110). A hinge shaft(130) is fixed to the front of the plural support bars. One end of a first lever(142) is fastened with the hinge shaft so as to rotate around the hinge shaft. When the loading medium is loaded, the first lever is contacted with a lower surface of the loading medium. One end of a second lever(144) is fastened with the hinge shaft so as to rotate at the same time around the hinge shaft according as the first lever rotates. When the loading medium is loaded, the second lever is contacted with a side part of the loading medium.

Description

LOADING APPARATUS FOR FBRICATING LIQUID CRYSTAL DISPLAY}

1 is a front view showing a loading apparatus for manufacturing a liquid crystal display device according to the prior art.

FIG. 2 is a diagram illustrating an alignment state of a loading medium loaded by using a loading apparatus for manufacturing a liquid crystal display device according to the prior art.

3 is a front view illustrating a loading apparatus for manufacturing a liquid crystal display according to an exemplary embodiment of the present invention.

4 is a bottom view of a loading apparatus for manufacturing a liquid crystal display according to an exemplary embodiment of the present invention.

5 is a side view illustrating a loading device for manufacturing a liquid crystal display device according to an exemplary embodiment of the present invention.

6 is an exploded perspective view schematically illustrating a lever mounting structure of a loading apparatus for manufacturing a liquid crystal display according to an exemplary embodiment of the present invention.

7 is a view for explaining a state of use of the loading device for manufacturing a liquid crystal display device according to an embodiment of the present invention.

FIG. 8 is a view for explaining a use state of aligning a loading medium separated from a center line by using a loading device for manufacturing a liquid crystal display according to an exemplary embodiment of the present invention.

(Explanation of symbols for the main parts of the drawing)

110: loading medium 120: a plurality of support bars

130: hinge axis 142: first lever

144, 144-1, 144-2: second lever 152, 154: first and second rollers

160: torsion spring

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to manufacturing equipment for a liquid crystal display device, and more particularly, to a loading device for manufacturing a liquid crystal display device for loading a medium used in a manufacturing process of the liquid crystal display device in a fixed position.

In general, a liquid crystal display (LCD) arranges upper and lower substrates on which electric field generating electrodes are formed, and forms a liquid crystal layer between the two substrates, and then applies a voltage to the two electrodes. By moving the liquid crystal molecules of the liquid crystal layer by the generated electric field, it is a device for expressing the image by controlling the light transmittance that varies accordingly.

Such a liquid crystal display includes a process of manufacturing an upper substrate and a lower substrate, a process of joining an upper substrate and a lower substrate, a process of injecting and sealing a liquid crystal between two bonded substrates, a process of repairing, and a liquid crystal It is manufactured through a module process of manufacturing a liquid crystal display module by mounting a backlight or the like on a panel and mounting a driving circuit.

In this case, the manufacturing equipment for performing each manufacturing process loads or unloads not only a substrate for a liquid crystal display device but also a cassette or the like (hereinafter referred to as a loading medium) that can accommodate a plurality of substrates. Work is inevitably being performed.

In particular, the loading operation requires a separate clamping means or a loading device because the loading medium must be precisely placed in the position to be loaded in order to increase the precision of the manufacturing process.

FIG. 1 is a front view illustrating a loading apparatus for manufacturing a liquid crystal display device according to the prior art, and FIG. 2 illustrates an alignment state of a loading medium loaded using the loading apparatus for manufacturing a liquid crystal display device according to the prior art.

Referring to FIG. 1, the loading apparatus for manufacturing a liquid crystal device according to the related art is a loading mechanism for aligning a loading medium in a predetermined position in a predetermined loading unit, and uses a driving method of a cylinder as shown.

When the loading medium 10 is loaded in a predetermined loading unit, both stoppers 21a and 21b provided on the lower surface of the loading medium 10 move in the A direction and then move in the A 'direction. By adjusting the left and right sides of the 10, the loading medium 10 is aligned in position.

At this time, the stopper (21a, 21b) of both sides may be provided in a plurality at a predetermined interval in the lower portion of the loading medium 10, it is installed symmetrically from the center line (CL) of the loading portion.

The cylinder units 23a and 23b are provided at one end so as to be movable in the left and right directions.

The cylinder units 23a and 23b serve to move the stoppers 21a and 21b left and right by inflow or outflow of air by using a conventional pneumatic cylinder. Since the driving method of the cylinder using the pneumatic is a known technique, detailed description thereof will be omitted.

By the way, when the speeds at which the cylinder units 23a and 23b are driven in the loading apparatus for manufacturing the liquid crystal display device configured as described above are different, as shown in FIG. 2, the loading medium 10 is not aligned at the correct position on the plane. However, there is a problem in that it is eccentrically or inclined to one side from the center C.

In addition, since pneumatic installations for driving the cylinder units 23a and 23b and sensors for confirming the driving of the cylinder units 23a and 23b are additionally provided, there is a problem that the installation cost is unnecessarily increased.

In addition, when a plurality of cylinder units 23a and 23b are provided, it is difficult to control by setting the air pressure of each cylinder unit 23a and 23b, and when the air pressure is set higher or lower than the reference value, the operation is not completed. Or, rather, may be damaged in the loading medium 10 without being aligned in place.

Accordingly, an aspect of the present invention is to provide a loading device for manufacturing a liquid crystal display device, which allows the loading medium to be easily aligned with a predetermined loading unit without a separate driving device.

Further technical problems to be achieved by the present invention are not limited to the above-mentioned technical problems, and other technical problems not mentioned above are clearly understood by those skilled in the art from the following description. It can be understood.

According to an aspect of the present invention, there is provided a loading device for manufacturing a liquid crystal display device, the support bar being arranged in a row so that a loading medium is seated, a hinge shaft fixed to a front surface of the support bar, and one end of the hinge device. A first lever coupled to the shaft and rotatable about the hinge axis, the first lever being in contact with the lower surface of the loading medium when the loading medium is loaded, and one end of the first lever being coupled to the hinge axis to rotate the first lever. And a second lever that rotates about the hinge axis at the same time and comes into contact with the side of the loading medium when the loading medium is loaded.

In addition, one end is fixed to the support bar and the other end is fixed to the first lever, when loading the loading medium, the first lever is rotated downward by the load of the loading medium, and the loading medium When unloading, the first lever may further include a torsion spring to rotate upward from the support bar by a restoring force.

In this case, the first lever and the second lever is characterized in that the opening at a predetermined angle around the hinge axis.

The angle between the first lever and the second lever is characterized in that the acute angle.

The first lever and the second lever is characterized in that provided integrally.

The first lever and the second lever may be provided with the same length or different lengths.

In this case, the length of the first lever is characterized in that it is longer than the length of the second lever.

The other end of the first lever and the second lever is characterized in that the rollers for preventing the occurrence of scratches in contact with the loading medium, respectively.

The loading medium may be a cassette for manufacturing a liquid crystal display or a panel for a liquid crystal display.

Specific details of other embodiments are included in the detailed description and the drawings. Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. Like reference numerals refer to like elements throughout.

Hereinafter, a loading apparatus for manufacturing a liquid crystal display device according to an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.

3 is a front view showing a loading device for manufacturing a liquid crystal display device according to an embodiment of the present invention, Figure 4 is a bottom view showing a loading device for manufacturing a liquid crystal display device according to an embodiment of the present invention, Figure 5 is an embodiment of the present invention It is a side view which shows the loading apparatus for manufacturing a liquid crystal display device which concerns on an example.

3 to 5, a loading device for manufacturing a liquid crystal display according to an exemplary embodiment of the present invention includes a plurality of support bars 120 and a plurality of support bars arranged in a line such that the loading medium 110 is seated. A hinge shaft 130 fixed to the 120, and a first lever 142 and a second lever 144 rotatable about the hinge shaft 130.

Here, the loading medium 110 may be an object loaded in a predetermined loading portion, and may be a substrate for liquid crystal display, a panel, or a cassette for storing a plurality of substrates.

The predetermined loading unit may be provided in a port of manufacturing equipment for performing various manufacturing processes, a stocker for temporarily storing a substrate, a port for conveyance and transport, and the like.

The plurality of support bars 120 are arranged side by side in a predetermined loading unit to support the lower portion of the loading medium 110, and are equipped with a first lever 142 and a second lever 144 described later.

The hinge shaft 130 is fixed to the front surface of the plurality of support bars 120 to become a rotation shaft of the first lever 142 and the second lever 144.

The hinge shaft 130 is provided in one-to-one correspondence with the first lever 142 and the second lever 144.

One end of the first lever 142 is fastened to the hinge shaft 130 and is provided to be rotatable about the hinge shaft 130. The other end is provided with a rotatable first roller 152.

The first lever 142 comes into contact with the lower surface of the loading medium 110 when the loading medium 110 is loaded. The first roller 152 provided at the other end of the first lever 142 may have a loading medium ( The contact with 110 may prevent scratch damage of the loading medium 110.

Similar to the first lever 142, the second lever 144 is provided at one end to be rotatable about the hinge shaft 130, and rotates about the hinge shaft 130. As the first lever 142 rotates, Rotate

That is, when the first lever 142 rotates up about the hinge shaft 130, the second lever 144 rotates about the hinge shaft 130 as much as the first lever 142 rotates. .

The second lever 144 may be provided separately from the first lever 142 or may be provided integrally.

The second lever 144 is provided to be opened at a predetermined angle with the first lever 142 about the hinge shaft 130, as in the shape of scissors, and a second roller 154 rotatable at the other end thereof.

Therefore, since the loading medium 110 is inserted and loaded in the open space between the first lever 142 and the second lever 144, the second lever 144 is in contact with the side of the loading medium 110.

Even in this case, the second roller 154 provided on the other end of the second lever 144 comes into contact with the side of the loading medium 110 to facilitate the movement of the loading medium 110 for alignment, Prevent scratch damage of the loading medium 110.

The gap between the first lever 142 and the second lever 144 is 90 degrees or less.

That is, when the loading medium 110 is loaded in the open space between the first lever 142 and the second lever 144, the lower surface of the loading medium 110 is the first roller 152 of the first lever 142. And the side of the loading medium 110 must contact the second roller 154 of the second lever 144, so that the flared angle between the first lever 142 and the second lever 144 is 90 degrees. It should be a smaller acute angle.

On the other hand, the first lever 142 and the second lever 144 may be provided with the same length, may be provided with different lengths.

The length of the first lever 142 and the second lever 144 is determined depending on the size of the loading medium 110 to be loaded and the angle between the first lever 142 and the second lever 144, When provided with different lengths, the first lever 142 is generally formed longer than the second lever 144 so that the lower surface of the loading medium 110 may contact the first lever 142 when the loading medium 110 is loaded. .

The first lever 142 and the second lever 144 may be provided in plural at regular intervals to stably load the lower portion of the loading medium 110.

The loading apparatus for manufacturing a liquid crystal display device configured as described above is provided with a first lever 142 and a second lever 144 under the loading unit, so that when the loading medium 110 is loaded downward from the upper side of the loading unit, The first lever 142 rotates downward by the load of the loading medium 110 while supporting the lower portion of the loading medium 110, and at the same time, the second lever 144 and the first lever 142 rotate. While rotating in the direction to support the side of the loading medium (110).

According to this configuration, the first lever 142 is the other end of the first lever 142 (that is, the end provided with the first roller 152) to receive the load of the loading medium 110 during the loading operation horizontal line of the loading portion It should be located in the upper direction with respect to, and after the loading medium 110 is loaded, it should be located in the lower direction with respect to the horizontal line of the loading part.

6 is an exploded perspective view schematically illustrating a lever mounting structure of a loading apparatus for manufacturing a liquid crystal display according to an exemplary embodiment of the present invention.

Referring to FIG. 6, a torsion spring 160 may be further provided in a loading device for manufacturing a liquid crystal display according to an exemplary embodiment of the present invention to limit a range in which the levers 142 and 144 may rotate.

For example, when the loading medium 110 is loaded, the first lever 142 rotates downward by the load of the loading medium 110, and the torsion spring 160 when the loading medium 110 is unloaded. By the restoring force of the first lever 142 is rotated from the support bar 120 to the upper direction.

Therefore, normally, the first lever 142 is located in an upward direction with respect to the horizontal line of the loading portion, and after the loading medium 110 is loaded, the first lever 142 is located in a downward direction with respect to the horizontal line of the loading portion. Can be.

The torsion spring 160 for this purpose is press-fitted through the hinge shaft 130 between the support bar 120 and the first lever 142, one end of which is fixed to the support bar 120 and the other end of the first lever 142. It is fixed to).

Hereinafter, an operation process of the loading device for manufacturing a liquid crystal display device configured as described above will be described.

7 is a view for explaining a state of use of the loading device for manufacturing a liquid crystal display device according to an embodiment of the present invention.

When the loading medium 110 is loaded from the upper direction to the lower side in the predetermined loading unit, the first roller 152 and the loading medium 110 of the first lever 142 located above the horizontal line of the loading unit The lower surface comes into contact.

The load of the loading medium 110 is distributed to W1 and W2 by the contact surface of the first lever 142, and the first lever 142 is downwardly centered on the hinge axis 130 by the force of the distributed load. It turns.

At the same time, the second lever 144 is rotated, so that the second roller 154 of the second lever 144 is in contact with the side of the loading medium 110.

Then, the second lever 144 is influenced by the force of the first lever 142 to rotate downward by the load of the loading medium 110, F1 and F2 act on the side of the loading medium 110 Done.

That is, the second lever 144 is fixed while supporting the side of the loading medium 110 by F1 and F2 forces acting as the side of the loading medium 110.

By such an operation process, the loading medium 110 is aligned at the correct position.

FIG. 8 is a diagram illustrating a use state of aligning a loading medium separated from a center line by using a loading device for manufacturing a liquid crystal display device according to an exemplary embodiment of the present invention.

As shown in FIG. 8, even if the center line CL0 of the loading medium 110 is loaded eccentrically from the center line CL of the home position to be loaded, the second lever 144-1 of the eccentric side is disposed on the opposite side. As the first contact with the side of the loading medium 110 than the second lever (144-2), the F1 force acts in the eccentric opposite direction.

Since the loading medium 110 eccentric to one side by this F1 force moves in the opposite direction and contacts the second lever 144-2 on the opposite side, the F2 force acts on the opposite side, and the F1 and F2 forces are compromised. The loading medium 110 no longer moves and remains constant in place.

Therefore, even when the center line CL0 of the loading medium 110 is eccentrically loaded, the second lines 144-1 and 144-2 may be aligned while aligning the center line CL in the correct position.

Although embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing the technical spirit or essential features thereof. I can understand that.

Therefore, the embodiments described above are provided to fully inform the scope of the invention to those skilled in the art, and should be understood as illustrative and not limiting in all aspects. The invention is only defined by the scope of the claims.

Loading device for manufacturing a liquid crystal display device according to the present invention made as described above does not require a separate driving device, there is an advantageous effect in terms of cost when applied because it is not an operation by a complicated cylinder configuration as conventional.

In addition, by implementing using the weight of the loading medium, the simple configuration has an advantageous effect on maintenance.

Claims (10)

A plurality of support bars arranged in a line so that the loading medium is seated; A hinge shaft fixed to the front of the plurality of support bars; A first lever having one end coupled to the hinge axis and rotatable about the hinge axis, the first lever being in contact with the lower surface of the loading medium when the loading medium is loaded; And A second lever whose one end is engaged with the hinge shaft and rotates about the hinge shaft at the same time as the first lever rotates, the second lever being in contact with the side of the loading medium when the loading medium is loaded; Loading device for manufacturing a liquid crystal display device comprising a. The method of claim 1, And the first lever and the second lever are opened at an angle with respect to the hinge axis. The method of claim 2, And an angle between the first lever and the second lever is an acute angle. The method according to any one of claims 1 to 3, The first lever and the second lever is integrally provided with a loading device for manufacturing a liquid crystal display device. The method of claim 1, And the first lever and the second lever have the same length. The method of claim 1, And the first lever and the second lever are provided with different lengths. The method of claim 6, And a length of the first lever is longer than a length of the second lever. The method of claim 1, The other end of the first lever and the second lever, the loading device for manufacturing a liquid crystal display device, characterized in that the roller for preventing the occurrence of scratches in contact with the loading medium, respectively. The method of claim 1, One end is fixed to the support bar and the other end is fixed to the first lever, When loading the loading medium, the first lever rotates downward by the load of the loading medium, and when unloading the loading medium, the first lever moves upward from the support bar by the restoring force. Loading device for manufacturing a liquid crystal display device further comprising a torsion spring to rotate. The method of claim 1, And the loading medium is a cassette for manufacturing the liquid crystal display device or a panel for a liquid crystal display device.
KR1020060136745A 2006-12-28 2006-12-28 Loading apparatus for fbricating liquid crystal display KR20080061722A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020060136745A KR20080061722A (en) 2006-12-28 2006-12-28 Loading apparatus for fbricating liquid crystal display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020060136745A KR20080061722A (en) 2006-12-28 2006-12-28 Loading apparatus for fbricating liquid crystal display

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KR20080061722A true KR20080061722A (en) 2008-07-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021080049A1 (en) * 2019-10-25 2021-04-29 엘지전자 주식회사 Display device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021080049A1 (en) * 2019-10-25 2021-04-29 엘지전자 주식회사 Display device
US11687120B2 (en) 2019-10-25 2023-06-27 Lg Electronics Inc. Display device

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