KR101607089B1 - Cell Mounting Device of Liquid Crystal Display Panel Examination Apparatus - Google Patents

Cell Mounting Device of Liquid Crystal Display Panel Examination Apparatus Download PDF

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Publication number
KR101607089B1
KR101607089B1 KR1020150125722A KR20150125722A KR101607089B1 KR 101607089 B1 KR101607089 B1 KR 101607089B1 KR 1020150125722 A KR1020150125722 A KR 1020150125722A KR 20150125722 A KR20150125722 A KR 20150125722A KR 101607089 B1 KR101607089 B1 KR 101607089B1
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KR
South Korea
Prior art keywords
cell
work table
liquid crystal
crystal display
display panel
Prior art date
Application number
KR1020150125722A
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Korean (ko)
Inventor
배세윤
Original Assignee
주식회사 디이엔티
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Priority to KR1020150125722A priority Critical patent/KR101607089B1/en
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Publication of KR101607089B1 publication Critical patent/KR101607089B1/en

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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/1303Apparatus specially adapted to the manufacture of LCDs

Abstract

The present invention relates to a cell mounting apparatus for a liquid crystal display panel inspection apparatus, and more particularly, to a cell mounting apparatus for a liquid crystal display panel inspection apparatus, And a cell support mounted on both sides of the work table to mount the cell, wherein the cell support includes a stepped portion formed so that a part of the mounting region of the cell is stably mounted, It is possible to mount the cell more stably by the support, and it is possible to stably install the cell with not more than 1 to 2 mm in the mounting area of the cell but also 1 mm or less in the cell support, It is possible to achieve an effect of being stably mounted.

Description

Technical Field [0001] The present invention relates to a cell mounting apparatus for a liquid crystal display panel inspection apparatus,

The present invention relates to a cell mounting apparatus for a liquid crystal display panel inspecting apparatus, and more particularly to a cell mounting apparatus for a liquid crystal display panel inspecting apparatus capable of stably mounting a liquid crystal display panel to be inspected on a work table.

2. Description of the Related Art Generally, an inspection apparatus for a liquid crystal display panel is provided with a probe unit for fixing a display panel to a point where an operator is located so that a liquid crystal display panel (including a liquid crystal display or a flat panel display) And to inspect using an inspection device of a suitable size according to the size of the liquid crystal display panel.

Liquid crystal display panels (TFT-LCD), which is the flagship product of flat panel displays, are rapidly becoming large-sized and high-resolution with the achievement of mass production technology and research and development, Has been developed and replacing existing CRT (cathode ray tube) products, and its proportion in the display industry is gradually increasing.

In recent information society, display has become more important as a visual information delivery medium. Especially, the importance of low power consumption, thinning, light weight, high image quality and portability It is getting higher.

Since liquid crystal display panels are not only capable of satisfying these conditions of a flat panel display but also have a mass production capability, various new products using the same are rapidly being developed, and the proportion of the electronic industry is more than that of semiconductors It is emerging as a next-generation mainstream technology.

Such a liquid crystal display panel is subjected to a lighting test at the final stage of the manufacturing line, which uses a probe unit in a specific inspection facility to perform disconnection inspection and color inspection for each of the data lines and gate lines of the liquid crystal display panel, And so on.

Meanwhile, liquid crystal display panels are currently being offered in various sizes such as 30 inches, 40 inches, 46 inches, 52 inches, and 57 inches. In order to inspect all of these various sizes of liquid crystal display panels, It is already available.

In such a liquid crystal display panel inspecting apparatus, a cell transferred by a carrier is mounted on a work tabel. That is, the cell is transported by the carrier and is stably placed on the work table, so that the cell is inspected for defects or the like.

In addition, the size of the cell is slightly larger than the size of the cell to be stably placed on the work table. Such a cell has a mounting area of a predetermined width so as to be stably placed on the work table.

That is, the cell is manufactured with a size larger than the size of each inch to be manufactured, and the mounting region is formed on the edge of the cell so as to be stably placed on the work table by a predetermined width.

Such a mounting area is formed to be approximately 2 mm or more, and two cell alignments are vertically provided on both sides of the work table.

The cell alignment causes the cell to be in the correct position and adjusts to place the cell in the precise position of the worktable if necessary.

Meanwhile, in recent years, the width of the bezel (frame) for fixing the liquid crystal display panel has been greatly narrowed, and accordingly, the mounting area of the cell has also become very narrow.

As the mounting area of the cell narrows, the moved cells can not be stably mounted on the work table. Accordingly, there is a problem that an additional device for mounting the cells in a more correct position on the work table is required.

In addition, the cells transferred to the carrier have a problem that they are placed on the work table or fall into the work table when the work cell is mounted on the work table.

For example, a 'probe apparatus' is disclosed in Patent Document 1 below.

The probe device according to Patent Document 1 described below is a probe device for detecting defective pixels of a liquid crystal display panel, in which a pin contacting a pad of a liquid crystal display panel, which is composed of a needle member and a beam member; And a pin block for supporting the pin while being detachably connected to the pin, wherein the needle member and the beam member are made of different materials, and the pin block has a plurality of grooves formed therein, More than two elastomers are inserted.

The following Patent Document 2 discloses a " liquid crystal panel inspection apparatus and inspection method ".

The liquid crystal panel inspection apparatus according to Patent Document 2 includes a central mounting space in which a liquid crystal panel with a plurality of pads exposed is mounted; A plurality of probe blocks arranged to horizontally move on a first rail formed along one edge of the mounting space; A plurality of probing needles electrically connected to the plurality of pads of the liquid crystal panel and each of the plurality of probes being drawn out from the respective locks is disclosed.

Korean Patent Publication No. 10-2009-0011194 (Published February 2, 2009) Korean Patent Publication No. 10-2010-0096546 (published on September 2, 2010)

However, the liquid crystal display panel inspection apparatus according to the related art can not stably mount the moved cells on the work table as the mounting area of the cell narrows, and accordingly, There is a problem that when the cell is mounted on the work table, the cell is placed in a wrong state on the work table or falls into the work table.

SUMMARY OF THE INVENTION An object of the present invention is to provide a cell mounting apparatus for a liquid crystal display panel inspecting apparatus capable of stably mounting a cell on a work table.

Another object of the present invention is to provide a cell mounting apparatus for a liquid crystal display panel inspecting apparatus capable of satisfactorily mounting a cell having a mounting area of 0.5 to 2 mm, which is very narrow, on a work table.

According to an aspect of the present invention, there is provided a cell mounting apparatus for inspecting a liquid crystal display panel, comprising: a work table installed to mount cells having different sizes; And a cell support installed on both sides of the work table to mount the cell, wherein the cell support includes a step formed so that a part of the mounting region of the cell is stably mounted.

Wherein the cell support comprises a triangular base provided on the work table; A fixed block fixed to the upper surface of the triangular base and having a cylinder at one side thereof; A movable block movably installed along the fixed block by the cylinder; And a horizontal moving block fixed to an upper surface of the moving block and having the stepped portion on which the cell is mounted.

The triangular base is characterized in that one side is higher and the other side is lower.

And the inclined surface is inclined at an angle of 30 to 40 degrees.

Wherein the cell support comprises a cell support which is rotatably disposed by an actuator provided on the work table; A stopper fixed to one upper surface of the work table so as to restrict movement of the cell; And a pusher movably installed on the upper surface of the other side of the work table to adjust the position of the cell.

As described above, according to the cell mounting apparatus of the apparatus for inspecting a liquid crystal display panel according to the present invention, the cell can be more stably mounted by the cell support provided on the work table, In addition, the cell of 1 mm or less can be stably mounted on the cell support, and the cell can be mounted on the work table more easily and stably.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing a mounting region of a cell mounted in a liquid crystal display panel inspection apparatus according to a preferred embodiment of the present invention;
FIG. 2 is a three-dimensional view showing a cell mounting apparatus of a liquid crystal display panel inspection apparatus according to a preferred embodiment of the present invention,
3 is an exploded perspective view showing a cell mounting apparatus of a liquid crystal display panel inspecting apparatus according to a preferred embodiment of the present invention,
4 is a front view showing a cell mounting apparatus according to a preferred embodiment of the present invention.
FIG. 5 is a sectional view showing a cell mounting apparatus according to another preferred embodiment of the present invention,
FIG. 6 is a sectional view showing a state before a cell is mounted on a liquid crystal display panel inspection apparatus according to a preferred embodiment of the present invention,
7 is a cross-sectional view showing a state where a cell is mounted on a liquid crystal display panel testing apparatus according to a preferred embodiment of the present invention

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a cell mounting apparatus for a liquid crystal display panel inspecting apparatus according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a view showing a mounting area of a cell mounted in the apparatus for inspecting a liquid crystal display panel according to a preferred embodiment of the present invention, and FIG. 2 is a sectional view of a cell mounting apparatus of a liquid crystal display panel testing apparatus according to a preferred embodiment of the present invention. It is a three-dimensional figure.

A cell mounting apparatus of a liquid crystal display panel inspecting apparatus according to a preferred embodiment of the present invention includes a work table 10 installed to mount cells having different sizes; And a cell support 20 mounted on both sides of the work table 10 so as to mount the cell 1 on the both sides of the work table 10. The cell support 20 has a structure in which a part of the mounting area of the cell 1 is stably mounted (Not shown).

The cell mounting apparatus of the liquid crystal display panel inspecting apparatus according to the embodiment of the present invention stably mounts the cell on the work table 10 when the mounting area formed at the edge of the cell is approximately 2 mm or less.

As shown in Figure 1, the cell 1 is manufactured in various sizes, such as 30 inches, 40 inches, 46 inches, 52 inches, 57 inches, and the like. The cell 1, which is a liquid crystal display panel (LCD, LED) manufactured in this way, is formed larger than the size per inch to discriminate the presence or absence of defects.

That is, as shown in FIG. 1, the cell 1 is divided into a working area 2, which is mounted on a display device and is actually used, and a mounting area 3, which is mounted on the bezel. The work area 2 is inspected for the presence or absence of defective pixels and the defective presence or absence of the defective pixels is not inspected in the mounting area 3. [

The mounting area 3 is formed to have a width of about 2 mm or less. In recent years, the width of the mounting area 3 is about 1 mm according to the trend of reducing the mounting area 3.

On the other hand, the work area 2 is a region indicated by a line in the drawing in Fig. 1, and the mounting area 3 is formed to be 1 mm, but among the mounting area 3 of 1 mm, The presence or absence of defective pixels is checked.

As a result, the mounting area 3 of the cell 1 mounted on the work table 10 is narrowed from the width of 1 mm to the width of 0.5 mm. Thus, the cell 1 having a width of 0.5 mm in the mounting area 3 should be stably mounted on the work table 10.

The applicant has filed a patent application No. 10-2014-0127340 filed on Apr. 24, 2014. The inspection apparatus and the control method of the liquid crystal display panel are applied to the cell 1, A detailed description of the liquid crystal display panel inspection apparatus will be omitted.

FIG. 2 is a perspective view of a cell mounting apparatus of an apparatus for inspecting a liquid crystal display panel according to a preferred embodiment of the present invention. FIG. 3 is a perspective view of a cell mounting apparatus of a liquid crystal display panel testing apparatus according to a preferred embodiment of the present invention. .

2 and 3, a liquid crystal display panel inspecting apparatus is provided with a work table 10 on which a cell 1 can be placed. The work table 10 is provided with a cell A support 20 is installed.

The cell supports 20 are installed on both left and right sides of the cell 1, and two cell supports 20 are provided above and below the work table 10. That is, two cell supports 20 are provided on both the left and right sides of the cell 1, so that the cell 1 is stably mounted.

The cell support (20) includes a triangular base (21) provided on the work table (10); A fixing block 23 fixed to the upper surface of the triangular base 21 and having a cylinder 24 installed on one side thereof; A moving block (25) movably installed along the fixed block (23) by the cylinder (24); And a horizontal moving block 26 fixed to the upper surface of the moving block 25 and having the step portion 30 on which the cell 1 is mounted.

The triangular base 21 has a right triangular shape when seen from the front, and the inclined surface 22 is integrally formed on one surface. The inclined surface 22 is formed to have one side higher and the other side lower. The triangular base 21 forms an inclined surface 22 so that the cylinder 24 is inclined.

4 is a front view showing a cell mounting apparatus according to a preferred embodiment of the present invention.

As shown in FIG. 4, the inclined surface 22 formed on the triangular base 21 is formed at an angle of about 30 to 40 degrees, and the inclined surface 22 is formed to be inclined at an angle of 35 degrees. This is to ensure the maximum distance that the step portion 30 of the cell support 20 is moved in the X-axis and Y-axis directions.

A fixed block 23 having a predetermined length is provided on the inclined surface 22 of the triangular base 21 and a cylinder 24 is installed on one side of the fixed block 23. Since the cylinder 24 is provided in the inclined fixing block 23, the cylinder 24 is also inclined.

A stroke of the cylinder 24 is set to be movable within 5 mm. This is because the work table 10 is provided with a number of parts for confirming the abnormality of the cell 1, so that the stroke of the cylinder 24 is limited to 5 mm so as not to interfere with these parts.

The cylinder 24 having the limited stroke is moved to a maximum of 5 mm and is inclined so that the cell 1 can move up to 4.1 mm in the X-axis direction and 2.87 mm in the Y-axis direction within the limited moving distance .

On the upper surface of the fixed block 23, a moving block 25 is inclined, and the moving block 25 is reciprocated by a cylinder 24. A horizontally moving block 26 is provided on the upper surface of the moving block 25 and a step 30 is formed on the end of the horizontally moving block 26 to mount the cell 1 moved from the carrier.

The stepped portion 30 may have a length greater than the mounting region 3 of the cell 1 or may be formed to have the same length as the mounting region 3 to facilitate the alignment of the cell 1.

The horizontal moving block 26 is moved in the X and Y axis directions as the moving block 25 moves up and down. The stepped portion 30 is moved in the X and Y axis directions in the same manner as the horizontal moving block 26 do.

The movement block 25 is described as being moved by the cylinder 24. It goes without saying that the movement block 25 can be moved by using a motor, an actuator, or the like in addition to the cylinder 24. [

<Other Embodiments>

5 is a cross-sectional view illustrating a cell mounting apparatus according to another preferred embodiment of the present invention.

5 shows another embodiment of the cell support 20, in which a cell support 20 according to another embodiment is installed.

The cell supports 20 are rotatably installed on the work table 10. An actuator 27 for rotating the cell support 20 is disposed on the work table 10 and a cell support 28 for supporting the cell 1 is rotatably mounted on the actuator 27.

This cell support 28 is rotatably installed to receive the cell 1 moved by the carrier.

A stopper 29a for restricting the movement of the cell 1 is provided on one upper surface of the work table 10 and a stopper 29a for restricting the movement of the cell 1 is provided on the upper surface of the other side of the work table 10 A pusher 29b is movably installed.

Next, a method of operating a cell mounting apparatus of a liquid crystal display panel inspecting apparatus according to a preferred embodiment of the present invention will be described in detail with reference to FIG. 1 to FIG.

FIG. 6 is a cross-sectional view of a liquid crystal display panel inspection apparatus according to a preferred embodiment of the present invention, and FIG. 7 is a cross- Fig.

1 to 7, a cell mounting apparatus of an apparatus for inspecting a liquid crystal display panel according to an embodiment of the present invention includes a cell support 20 for supporting a cell 1 on a work table 10, Two cell supports 20 are provided on the right and left sides of the work table 10, respectively.

The cell support 20 is installed to stably support the cell 1 in which the mounting region 3 of the cell 1 is formed to be 1 mm or less.

The cell support 20 includes a triangular base 21 having an inclined surface 22 formed on one side thereof, a fixed block 23 fixed to the inclined surface 22 of the triangular base 21, And a horizontal moving block 26 which is moved in accordance with the movement of the moving block 25.

The triangular base 21 forms an inclined surface 22 in order to move the cell 1 in the X-axis and Y-axis directions so that the cell 1 can be mounted at an accurate position. The inclined surface 22 is inclined at an angle of 30 to 40 degrees, more preferably at an angle of 35 degrees.

A fixed block 23 having a predetermined length is fixed to the inclined surface 22 and a cylinder 24 is installed on the fixed block 23 to move the movable block 25.

On the upper surface of the fixed block 23, a moving block 25 reciprocating by a cylinder 24 is engaged. The moving block 25 is provided with a horizontal moving block 26.

A step portion 30 is formed at the tip of the horizontal movement block 26 so that the cell 1 is stably mounted. The step portion 30 is formed in the shape of a letter 'B' which protrudes from the top surface of the horizontal moving block 26 at a low level.

The cell 1 is moved by a carrier (not shown) so that inspection is performed, and the cell support 20 is lifted to mount the cell 1 moved by the carrier.

As shown in Fig. 6, the cell support 20 drives the cylinder 24 to mount the cell 1, and the cylinder 24 lifts the moving block 25. As shown in Fig.

As the cylinder 24 is raised, the horizontal moving block 26 moves upward in the drawing of FIG. 6, and the step portion 30 formed at the tip of the horizontal moving block 26 moves upward.

The cell 1 is mounted on the step portion 30 of the cell support 20 with the step portion 30 raised. The position of the cell 1 is adjusted by the cell alignment 15 (cell alignment) provided on the work table 10 in a state where the cell 1 is mounted on the cell support 20.

After the position adjustment of the cell 1 is completed, the cylinder 24 of the cell support 20 is retracted. As the cylinder 24 retracts, the moving block 25 is lowered as shown in Fig.

At this time, the cell 1 can be mounted in a state of being in close contact with the step 30, and a part of the cell 1 can be mounted without being in close contact with the step 30.

The cell support 20 having the position adjusted by the cell alignment 15 is lowered to stably attach the cell 1 to the work table 10 and the cell 1 is stably fixed to the work table 10 The cell 1 is inspected in a state in which the cell 1 is placed.

On the other hand, the cell support 20 according to another embodiment is rotated by the actuator 27 so as to receive the cell 1 moved by the carrier, and the cell support 28 is moved by the actuator 27 to the work table 10 To a position higher than the upper surface of the recording medium.

The cell 1 moved to the carrier is moved to the upper surface of the cell support 28 and the stopper 29a provided on the work table 10 in a state where the cell 1 is placed on the cell support 28 So that the pusher 29b moves. This pusher 29b may utilize the cell alignment 15.

After the position adjustment of the cell 1 is completed by the pusher 29b or the cell alignment 15, the cell support 28 is rotated by the actuator 27 and lowered. Thus, the cell 1 is correctly mounted in the working position of the work table 10.

Although the present invention has been described in detail with reference to the above embodiments, it is needless to say that the present invention is not limited to the above-described embodiments, and various modifications may be made without departing from the spirit of the present invention.

1: cell 2: working area
3: mounting area 10: work table
20: Cell support 21: Triangular base
22: slope 23: fixed block
24: cylinder 25: moving block
26: Horizontal movement block 30:

Claims (5)

A work table installed to mount cells having different sizes;
And a cell support installed on both sides of the work table to mount the cell,
Wherein the cell support includes a step portion formed so that a part of the mounting region of the cell is stably mounted,
Wherein the cell support comprises a triangular base provided on the work table;
A fixed block fixed to the upper surface of the triangular base and having a cylinder at one side thereof;
A movable block movably installed along the fixed block by the cylinder;
And a horizontal moving block fixed to an upper surface of the moving block and having the stepped portion on which the cell is mounted.
delete The method according to claim 1,
Wherein the triangular base is formed with an inclined surface with one side being high and the other side being low.
The method of claim 3,
Wherein the inclined surface is inclined at an angle of 30 to 40 degrees.
The method according to claim 1,
Wherein the cell support comprises a cell support which is rotatably disposed by an actuator provided on the work table;
A stopper fixed to one upper surface of the work table so as to restrict movement of the cell;
And a pusher movably installed on an upper surface of the other side of the work table to adjust a position of the cell.
KR1020150125722A 2015-09-04 2015-09-04 Cell Mounting Device of Liquid Crystal Display Panel Examination Apparatus KR101607089B1 (en)

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Application Number Priority Date Filing Date Title
KR1020150125722A KR101607089B1 (en) 2015-09-04 2015-09-04 Cell Mounting Device of Liquid Crystal Display Panel Examination Apparatus

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210123718A (en) 2020-04-03 2021-10-14 주식회사 디이엔티 Large cell alignment of work table for flat panel display panel inspection device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100828950B1 (en) 2007-03-15 2008-05-13 주식회사 파이컴 Panel pusher for making a flat display panel horizontal and probe unit having the same

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100828950B1 (en) 2007-03-15 2008-05-13 주식회사 파이컴 Panel pusher for making a flat display panel horizontal and probe unit having the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210123718A (en) 2020-04-03 2021-10-14 주식회사 디이엔티 Large cell alignment of work table for flat panel display panel inspection device

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