KR20210123718A - Large cell alignment of work table for flat panel display panel inspection device - Google Patents

Abstract

The present invention provides a large cell alignment of a worktable for a flat panel display panel inspection device, comprising: a detection sensor included in a lower block for detection so that each step part can be placed in the area of a bezel, which is a mounting area in the inspection area of a cell, in each unit support block, wherein right and left support blocks and a lower support block, which are alignments for supporting a large flat panel display panel, hereinafter referred to as cell, to be inspected, are divided into cell support blocks, and the right and left support blocks and the lower support block, which are alignments of a worktable, are formed of cell support blocks divided into a plurality to be able to ascend, descend and move together with detection to be placed in the area of a bezel, which is the mounting area of a cell, in each divided cell support block; and a raising and lowering part and a forward and backward moving part included to raise, lower and forward and backward move an upper block having a step part formed thereon on top of a lower block so that no scratch can be generated in the inspection area of the cell during the movement of each step part to the area of a bezel. Accordingly, a large cell can be inspected accurately, swiftly, and smoothly even if a minute mechanical error is generated with the large cell put on the alignment by a carrier. In addition, the efficiency of inspection can be maximized.

Description

Large cell alignment of work table for flat panel display panel inspection device

The present invention relates to a work table provided in a flat panel display panel inspection apparatus, and more particularly, left and right alignments that support and support a large flat panel display panel (hereinafter referred to as a 'cell') to be inspected. The support block and the lower support block are divided into cell support blocks, and each divided support block itself is positioned as a bezel area, which is the mounting area of the cell. It relates to a large cell alignment of a worktable for a flat panel display panel inspection device that can be moved up and down with sensing.

In general, a liquid crystal display device (LCD), a plasma display panel (PDP), an organic light emitting diode (OLED), etc. are typically used in a flat panel display panel, and the applicable target is widely applied to the display panel of TV or computer monitor, notebook computer, or various industrial equipment.

The importance of the flat panel display panel as a visual information delivery medium is being further emphasized, and in particular, the importance of low power consumption, thinness, light weight, high quality, and portability is increasing.

In addition, in the process of producing a flat panel display panel, an inspection process is performed to inspect the appearance and electrical defects of the panel before assembling the backlight and the driving circuit, and this inspection process is performed using the data provided in each unit panel in the inspection device. Disconnection inspection of each line and gate line, color inspection, and visual inspection using a microscope are carried out.

In this way, in the process of performing the inspection process, a typical inspection apparatus is provided with a probe unit composed of a data base and a gate base for applying power to the data line and gate line of the flat panel display panel, and sets the flat panel display panel transferred from the carrier. After this, a work table for fixing the flat panel display panel is provided by advancing toward the probe unit.

A typical work table for fixing the flat panel display panel is fixed by vacuum sucking the supplied flat panel display panel, and includes a fixing block so that the vacuum suction can be performed on the base plate.

In particular, in the conventional worktable, each fixed block is provided to be movable up and down and left and right by a conventional transport means so that it can be fixed at the same time from a small size to a predetermined size.

In the prior art related to the conventional worktable for fixing such a multi-standard flat display panel, Korean Patent Publication No. 10-563375, Korean Patent Publication No. 10-0731308, Korean Patent Publication No. 10-0913188, Republic of Korea It has been published in Korean Patent Publication No. 1-212-0139084 (hereinafter referred to as 'prior art documents 1').

In these prior art documents 1, each plate or block on which the flat panel display panel to be inspected is mounted and fixed is integrally formed to fix the flat panel display panel.

However, these prior art documents 1 can effectively fix a flat panel display panel having an approximately small size, but have a disadvantage in that it is not suitable for placing and fixing a large cell of about 65 inches or more recently enlarged.

Currently, large cells are stably placed on a worktable by a carrier on top of the left and right support blocks and lower support blocks, which are alignments that are transferred left and right and up and down by conventional transport means. Inspect for defects, etc. in the placed state.

In addition, the large cell is manufactured to be larger than the size of each inch to be manufactured so that it can be placed stably on each left and right support block and the lower support block that are aligned with the worktable. A mounting area is formed so that it can be stably placed on each of the blocks by a respective predetermined width.

The above-mentioned left and right support blocks and lower support blocks allow the large cells to be placed at the correct positions, and if necessary, the large cells are adjusted by the transport means to be placed at the correct positions on the worktable.

Meanwhile, in recent years, the width of a bezel, which is a mounting area formed at the edge of a large cell, is also greatly reduced. The width of the bezel, which is the mounting area, is approximately 1 mm or less.

The conventional technique for fixing the bezel of a large cell with a narrow width is to be supported by left and right support blocks and lower support blocks moved by means of transport, and these left and right support blocks and lower support blocks are integrated into one Therefore, when a small mechanical error occurs in the process of raising the cell by the carrier, it is not raised to the bezel area, which is the mounting area of the cell, and has the disadvantage of having to repeat the setting again.

That is, the fine error range is an error within the range of about 0.5 mm, and each integrated support block has a problem that cannot be overcome to such a subtle error range.

In order to improve this problem, even in the prior art, in Korean Patent No. 10-1607089 (hereinafter referred to as 'prior art document 2'), a liquid crystal display panel including cell alignment with cell supports in which cells are mounted on both sides of a worktable A cell mounting device for an audit device has been published.

However, this prior art document 2 lacks a means for supporting and supporting the lower part of the large flat panel display panel with the disadvantage that both sides of the cell are not supported evenly by supporting both sides of the cell only locally by the cell support, It has a disadvantage in that it is difficult to adjust the elements of the cell.

Republic of Korea Patent Publication No. 10-563375 Republic of Korea Patent Publication No. 10-0731308 Republic of Korea Patent Publication No. 10-0913188 Republic of Korea Patent Publication No. 10-2012-0139084 Republic of Korea Patent Publication No. 10-1607089

A specific technical solution of the present invention for solving the above problems is a left and right support block, which is an alignment that supports and supports a large flat panel display panel (hereinafter referred to as a 'cell') to be inspected. The support block and the lower support block are divided into cell support blocks, and detection and detection are performed so that each divided support block itself can be positioned as the bezel area, which is the mounting area of the cell. An object of the present invention is to provide a large cell alignment of a worktable for a flat panel display panel inspection device that can be moved up and down together.

Another specific technical problem of the present invention is to enable each unit support block to be accurately positioned within a bezel area, which is a mounting area for a large cell.

Another specific technical solution of the present invention is to enable the upper support block of the work table to also serve as an element.

A specific technical solution of the present invention for solving the specific technical problem as described above is a base plate, and each transfer plate moved left and right and up and down by each transfer means on both sides and upper and lower portions of the base plate, A flat panel display panel including left and right support blocks including step portions at the upper end to support and support the bezel area, which is a mounting area for large cells, on the left and right transfer plates and the upper and lower transfer plates, and upper and lower support blocks In the large cell alignment of a worktable for an inspection apparatus, the left and right support blocks and the lower support blocks are divided into a plurality of unit support blocks, each of which has a stepped portion in the inspection area of the cell. a detection sensor provided in the lower block so as to be positioned within the bezel area, which is a mounting area, to detect; It includes an elevating unit and a forward and backward unit provided to elevate and move the upper block on which the stepped portion is formed on the lower block so as not to cause a scratch in the inspection area of the cell when each stepped portion is moved to the bezel area. .

The detection sensor is mounted by a mounting bracket to the end of the rod, which is moved forward and backward by the first driving means and the power transmission member, and is provided movably to the inside of the inlet groove formed on the bottom surface of the upper block.

The elevating part is formed with an inclined block sliding by a second driving means mounted on the lower block, an inclined surface corresponding to the inclined surface of the inclined block, is formed on the bottom surface of the upper block so as to be lifted by sliding of the inclined block. It includes an elevating block to be mounted, and a guide sphere guided on guide rails provided on both sides of the lower block on both sides of the bottom surface of the upper block.

The inclined block is mounted on a rod of the second driving means, and the rod is supported by a mounting block mounted on a lower block.

The forward and reverse parts are a transfer screw disposed in the cell direction and rotatably provided in the cell direction by a third driving means and a power transmission member provided on the lower block, a nut housing provided on the transfer screw and transferred, and the upper block. A mounting plate mounted on a bottom surface to be connected to the nut housing, and a guide tool guided on guide rails provided in each support block on both sides of the bottom surface of the upper block and on both sides of the top of the lower block.

The method further includes forming an upper support block of the worktable into a plurality of unit support blocks divided into a plurality of units.

In the present invention, left and right support blocks and lower support blocks, which are alignments that support and support a large flat panel display panel (hereinafter referred to as a 'cell') to be inspected, are each unit support block (cell support). block), and by making it possible to move up and down with sensing so that each divided unit support block itself can be located in the bezel area, which is the mounting area of the cell, the large cell can be aligned with the carrier. Even if a mechanical error occurs in the raised state, it has the effect that accurate inspection of large cells can be performed quickly and smoothly, and also has the secondary effect of maximizing inspection efficiency.

In addition, by allowing each unit support block to be accurately positioned within the bezel area, which is the mounting area of the large cell, the large cell inspection can be performed more quickly and accurately.

In addition, by enabling the upper support block of the work table to also serve as an element, alignment of large cells in the work table can be performed more accurately.

1 is a perspective view for explaining a state in which the present invention is applied to a work table;
Figure 2 is a front view in an erected state according to Figure 1;
3 is a perspective view for explaining a unit support block of the present invention;
4 is a front view according to FIG. 3 ;
5 is a side cross-sectional view according to FIG. 3 ;
6 is a flowchart for explaining the operating state according to FIG. 3;
7 is a front view of an erected state for explaining another embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings, and the present invention is not limited or limited by the embodiments.

Figure 1 is a perspective view for explaining a state in which the present invention is applied to a worktable, Figure 2 is a front view of the erected state according to Figure 1, Figure 3 is a perspective view for explaining the unit support block of the present invention, Figure 4 is It is a front view according to FIG. 3 , FIG. 5 is a side cross-sectional view according to FIG. 3 , and FIG. 6 is a flowchart for explaining an operating state according to FIG. 3 .

As shown, the worktable 100 provided in a typical large-sized flat panel display panel inspection apparatus has a technical configuration for fixing large-sized cells.

It has a conventional technical configuration of the worktable 100, and the base plate 110, and left and right depending on the cell size of the multi-standard by each conventional transport means on both sides and upper and lower portions of the base plate 110 And each of the transfer plates 112, 112A, and 112B moving up and down, the left and right transfer plates 112 and the upper and lower transfer plates 112B and 112A, the bezel area as the mounting area of the cell. It has a technical configuration including cell alignment including left and right support blocks 120 and upper and lower support blocks 120B and 120A including a stepped portion 122 at the upper end to support and support.

Since the left and right and vertical movement of each transfer plate described above are published in the prior art document described in the technology that is the background of the invention, a detailed description thereof will be omitted.

Most of the conventional left and right support blocks and lower support blocks constituting the cell alignment are formed as one integrated block.

As a result, as described in the technology that is the background of the invention, the width of the bezel for fixing the large cell has recently been greatly reduced, and accordingly, the cell mounting area (within about 1 mm) is also very wide. As the trend is getting narrower, if a small mechanical error occurs in the process of raising the cell by the carrier to the left and right support blocks and the lower support block, which are formed as one integrated block, it is not located within the bezel area and needs to be set again. has the disadvantage of That is, when the carrier is placed on each support block, it is generally placed in a set position, but a slight difference, an error of within about 0.5 mm, occurs due to a mechanical error.

Each conventional support block has a disadvantage in that it cannot overcome such a minute error because it is formed as a single unit.

In the above, at the upper ends of the left and right support blocks 120 and the lower support block 120A, each stepped portion 122 for supporting and supporting the bezel area, which is the mounting area of the cell, is formed.

The present invention divides and forms left and right support blocks and lower support blocks, which are alignments that support and support a large cell to be inspected, into cell support blocks, and each divided unit The purpose of this is to provide a large cell alignment of a worktable for a flat panel display panel inspection device that can be moved up and down with sensing so that it can be positioned from the support block itself to the bezel area, which is the mounting area of the cell.

In the worktable 100 for a flat panel display panel inspection apparatus according to the present invention, the left and right support blocks 120 and the lower support blocks 120A, which are large cell alignments, are divided into a plurality of unit support blocks 10, respectively. to form

In addition, the unit support block 10 includes a detection sensor 20 provided in the lower block 14 so that each stepped portion 11 can be positioned within the bezel area, which is the mounting area, in the inspection area of the cell. do.

In addition, when each of the stepped portions 11 is moved to the bezel area, the upper block 16 on which the stepped portions 11 are formed is raised and lowered on the lower block 14 so that scratches do not occur in the inspection area of the cell. It includes an elevating unit 30 and a forward and backward unit 40 that are provided to move forward and backward.

In other words, each unit support block is operated individually, and when a large cell is raised to each step of the unit support block by a carrier, each step is located in the inspection area of the cell when a mechanical minor error occurs.

At this time, each unit support block of the present invention detects the bezel area while the detection sensor is located in the test area of the cell and detects the bezel area, and at the same time moves the upper block in which the stepped portion is formed on the lower block by the elevating unit and the forward and backward units. The stepped part is moved to be positioned in the bezel area.

In particular, the respective unit support blocks do not simultaneously lift, forward, and backward at the same time, but sequentially lift, forward, and backward the step portion of the upper block located in the inspection area by the detection sensor.

In the above, when the step portion of the upper block is located in the inspection area as shown in FIG. 6, the upper block moves backward after being lowered by the lifting unit, and then the bezel area is sensed by the detection sensor to detect the inspection area. Make sure that the stepped part of the upper block is located in the bezel area without encroaching on it.

As a result, by moving the step portion of the unit support block located in the inspection area within approximately 0.5 mm, which is a fine error range, to the bezel area, the inspection in the inspection area can be accurately performed.

The detection sensor 20 is connected to the first driving means 22, such as a conventional motor, and is mounted on the end of the rod forward and backward to the power transmission member 22A such as a pulley and a belt rotated by a mounting bracket 24. It is provided to be movable up to the inside on the inlet groove (16A) formed on the bottom surface of the upper block (16).

In the above, the inlet groove formed in the upper block is for the detection sensor to detect the outer end of the bezel.

This makes it possible to accurately detect the range of the bezel area.

The lifting unit 30 includes an inclined block 34 that is slid by the second driving means 32 in which the rod is moved forward and backward by a conventional cylinder mounted on the lower block 14 or gear engagement, and the like; A lifting block 35 mounted on the lower surface of the upper block 16 so as to form an inclined surface corresponding to the inclined surface of the inclined block 34 and lifted by sliding of the inclined block 34, and the upper block 16 ) includes a guide tool 38 guided on the guide rails 36 provided on both sides of the lower block 14 on both sides of the bottom surface.

In addition, the inclined block 34 is mounted on a rod of the second driving means 32 , and the rod is supported by a mounting block 33 mounted on the lower block 14 .

In other words, the lifting unit descends so that scratches do not occur in the inspection area of the cell in the process of transferring the stepped portion of the upper block, and is raised so that the stepped portion can be positioned and supported in the area of the bezel.

For this reason, the lifting unit is an important technical component that prevents the occurrence of scratches in the inspection area of the cell when the step of the upper block is supported by the bezel area of the cell, thereby fundamentally preventing defects with high reliability.

The front and rear parts 40 are connected to a third driving means 42 such as a conventional motor provided on the lower block 14 and rotated in the cell direction by a power transmission member 43 such as a pulley and a belt. A transfer screw 44 disposed and rotatably provided, a nut housing 45 provided on the transfer screw 44 and transferred, and the nut housing 45 are connected to the lower surface of the upper block 16 . The guide sphere 48A guided on the guide rail 48 provided by each support block 47 on both sides of the upper end of the lower block 14 on both sides of the lower surface of the mounting plate 46 and the upper block 16. ) is included.

In other words, the front/reverse part is a technical configuration that moves the upper block when the upper block is raised or lowered.

As a result, each unit support block of the alignment of the present invention can be moved up and down, forward, and backward so that it can be accurately positioned in the bezel area of the large cell individually, so that the inspection of the large cell can be performed accurately without error, It has conditions that can improve efficiency as well as increase reliability.

7 is a front view of an erected state for explaining another embodiment of the present invention.

As shown, in the above configuration, not only the left and right support blocks and the lower support blocks that are alignment are configured as unit support blocks, but the upper support blocks 120B constituting the worktable are also divided into the aforementioned plurality of unit support blocks. (10) is also provided with the constituent technical configuration. The upper support block 120B is also transferred up and down and left and right by a conventional transfer means by the upper transfer plate 112B.

Since each unit support block constituting the above-described phase support block also has the same technical configuration as described above, a detailed description thereof will be omitted.

Accordingly, the bezel area, which is a mounting area formed on the upper part of the large cell, also has a condition to be supported and supported at an accurate position by the unit support block.

10: unit support block 11, 122: stepped portion
14: lower block 16: upper block
16A: inlet groove 20: detection sensor
22: first driving means 24: mounting bracket
30: lifting unit 32: second driving means
33: mounting block 34: inclined block
35: elevating block 36, 48: guide rail
38, 48A: guide sphere 40: forward, backward part
42: third driving means 43: power transmission member
44: feed screw 45: nut housing
46: mounting plate 47: support block
100: worktable
110: base plate 112: left, right transfer plate
112A: lower transfer plate 112B: upper transfer plate
120: left, right support block 120A: lower support block
120B: upper support block

Claims (6)

A base plate, each transfer plate moved left and right and up and down by each transfer means on both sides and upper and lower portions of the base plate, and mounting of large cells on the left and right transfer plates and upper and lower transfer plates In the large cell alignment of a worktable for a flat panel display panel inspection apparatus including left and right support blocks including a stepped portion at the upper end to support and support the bezel area, which is an area, and upper and lower support blocks,
The left and right support blocks and the lower support blocks are divided into a plurality of unit support blocks, each of which has a lower portion so that each step can be positioned within the bezel area, which is the mounting area, from the inspection area of the cell. a detection sensor provided in the block to detect;
In order to prevent scratches from occurring in the inspection area of the cell when each of the stepped portions is moved to the bezel area, the upper block in which the stepped portion is formed is moved forward and backward on the lower block. Large cell alignment of worktables for flat panel display panel inspection equipment. According to claim 1,
The detection sensor is a flat panel display panel inspection device mounted by a mounting bracket to the end of the rod, which is moved forward and backward by the first driving means and the power transmission member, to be movable to the inside on an inlet groove formed on the bottom surface of the upper block. For large cell alignment of worktables. According to claim 1,
The elevating part is formed with an inclined block sliding by a second driving means mounted on the lower block, an inclined surface corresponding to the inclined surface of the inclined block, is formed on the bottom surface of the upper block so as to be lifted by sliding of the inclined block. A large cell alignment of a worktable for a flat panel display panel inspection apparatus, comprising: a lifting block mounted thereon; and guide spheres guided on guide rails provided on both sides of the lower block on both sides of the bottom surface of the upper block. 4. The method of claim 3,
and the inclined block is mounted on a rod of the second driving means, and the rod is supported by a mounting block mounted on a lower block. According to claim 1,
The forward and reverse parts are a transfer screw disposed in the cell direction and rotatably provided in the cell direction by a third driving means and a power transmission member provided on the lower block, a nut housing provided on the transfer screw and transferred, and the upper block. A work for a flat panel display panel inspection device, comprising: a mounting plate mounted on a bottom surface to be connected to the nut housing; Large cell alignment of the table. According to claim 1,
Large cell alignment of a worktable for a flat panel display panel inspection apparatus further comprising forming the upper support blocks of the worktable into a plurality of unit support blocks divided into a plurality of units.

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