KR20070058831A - Apparatus for inspecting lcd module - Google Patents

Abstract

An apparatus for inspecting an LCD(Liquid Crystal Display) panel is provided to accurately and automatically inspect external particles or exfoliation generated on polarizing plates respectively attached on outer surfaces of the LCD panel. A loading lift unit(10) conveys an LCD panel(1) in a vertical direction and loads the conveyed LCD panel. A cleaning unit(20) removes external particles on a surface of the LCD panel loaded by the loading unit. An aligning unit(30) aligns the cleaned LCD panel. An inspecting unit(40) inspects plural glass substrates(1b), and first and second polarizing plates(1c,1d) of the aligned LCD panel. An unloading lift unit(50) unloads the LCD panel after inspection, and carries out the LCD panel. A conveyer unit(60) is installed between the loading lift unit and the unloading lift unit. The conveyer unit conveys the LCD panel to the cleaning unit, the aligning unit, and the inspecting unit, sequentially.

Description

LCD Panel Inspector {Apparatus for Inspecting LCD Module}

1 is a side view of a conventional LCD panel inspection device,

2 is a side view of the inspection device of the LCD panel according to the present invention;

3 is an enlarged plan view of the alignment unit illustrated in FIG. 2;

4 is an enlarged side view of the inspection unit illustrated in FIG. 2;

5 is an enlarged perspective view of the inspection unit illustrated in FIG. 4;

6 is an enlarged perspective view of the first reflection inspection camera member shown in FIG. 5;

7 is a plan view of the blinder shown in FIG.

Explanation of symbols on the main parts of the drawings

10: loading lift part 20: washing part

30: alignment unit 40: inspection unit

41: first reflective inspection camera member 42: second reflective inspection camera member

43: transmission inspection camera member 44: blinder member

50: unloading lift unit 60: conveyor unit

The present invention relates to an LCD panel inspection apparatus, and more particularly, an LCD panel inspection capable of inspecting foreign substances or lifting, which may be generated in a polarizing film installed on a glass substrate or an outer surface of the glass substrate when the LCD panel is manufactured. Relates to a device.

The liquid crystal display panel is composed of two glass substrates, a liquid crystal filled between the two glass substrates, and a polarizing film which is installed on the outer surfaces of the two glass substrates, respectively. When manufacturing an LCD panel having such a configuration, foreign materials or lifting may occur in the glass substrate or the polarizing film during the manufacturing process because it is manufactured through various manufacturing processes such as photolithography, thin film manufacturing, and assembly of a glass substrate or a polarizing film.

When foreign matter or lifting occurs during the manufacture of the LCD panel, it is inspected for defective treatment. The inspection apparatus of the conventional LCD panel will be described with reference to the accompanying drawings.

 As shown in FIG. 1, the inspection apparatus 100 of the conventional LCD panel is installed so as to be spaced apart from each other up and down on one side of the body 110 and the body 110. ), The shutter 140 is installed on the other side adjacent to the first and second light irradiation units 120 and 130 to selectively irradiate the light, and the angle adjusting unit 150 to adjust the irradiation angle of the light passing through the shutter 140. It is configured to include.

Referring to the operation according to each configuration of the inspection device 100 of the LCD panel as follows.

The shutter 140 is vertically raised by the pneumatic cylinder 142 to open the first light irradiator 120 and to close the second light irradiator 130. In this state, the light of the first light irradiator 120 is incident on the reflection plate 151 of the angle adjuster 150. When the first light irradiation unit 120 for injecting light into the reflective plate 151 moves the angle adjusting bar 127 up and down, the first case 121 hinges up and down based on the hinge axis 125. The irradiation angle of the light can be adjusted.

When the light irradiation operation of the first light irradiation unit 120 is completed, the shutter 140 is lowered by the pneumatic cylinder 142. When the shutter 140 is lowered, the first light irradiation unit 120 is closed by the shutter 140 and the second light irradiation unit 140 is opened. When the second light irradiator 140 is opened, the light emitted from the second light irradiator 140 is incident to the angle adjuster 150 through a filter (not shown).

The reflection plate 151 of the angle adjusting unit 150 that receives light by the first and second light irradiation units 120 and 140 reflects the incident light and enters the light transmission window 111, and then enters the light transmission window 111. The incident light is irradiated on the surface of the LCD panel. When light is irradiated to the surface of the LCD panel, the operator checks with the naked eye in this state to check whether there is any foreign matter or lifting on the LCD panel.

 When the operator checks the surface of the LCD panel and then checks the LCD panel for foreign material or lifting, the productivity of the inspection work is lowered by the human eye and the skill of the operator is required. There is this.

An object of the present invention is to solve the above-mentioned problems, LCD that can be automatically and accurately inspected by the foreign matter or lifting that may be generated on the polarizing film member respectively attached to the outer surface of the plurality of glass panels filled with liquid crystal In providing a panel inspection device.

The LCD panel inspection apparatus of the present invention is a device for inspecting an LCD panel (panel) consisting of a plurality of glass substrates and the first and second polarizing film members attached to each glass substrate, the liquid crystal is provided inside, When loaded, a loading lift unit for transporting and loading the imported LCD panel in a vertical direction, and installed on one side of the loading lift unit to clean foreign substances attached to the surface of the LCD panel loaded from the loading lift unit A plurality of glass substrates of the LCD panel installed on one side of the cleaning unit, the alignment unit for aligning the LCD panel which has been cleaned at the cleaning unit, and the alignment of the LCD panel installed at one side of the alignment unit, and the first and first 2 An inspection unit for inspecting whether the polarizing film member is free from foreign matters and lifting, and an unloading LCD panel installed on one side of the inspection unit to unload the LCD panel after the inspection is completed and descending in a vertical direction. It is installed between the unloading lift part, the unloading lift part, and the loading lift part and the unloading lift part, respectively to carry in and out of the LCD panel. Characterized in that it is provided with a conveyor (conveyer) for transferring to.

(Example)

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

2 is a side view of the LCD panel inspection apparatus according to the present invention, Figure 3 is an enlarged plan view of the alignment unit shown in Figure 2, Figure 4 is an enlarged side view of the inspection unit shown in FIG.

As shown, the LCD panel inspection apparatus of the present invention includes a plurality of glass substrates 1b having liquid crystals 1a disposed therein, and first and second polarizing film members 1c attached to each glass substrate 1b. In the apparatus for inspecting the LCD panel (1d) consisting of 1d), when the LCD panel (1) is carried in, the loading lift unit 10 for transporting the loaded LCD panel (1) in the vertical direction and loading, and the loading lift unit The cleaning unit 20 is installed on one side of the cleaning unit 20 to clean the foreign matter attached to the surface of the LCD panel 1 loaded from the loading lift unit 10, and the cleaning unit is installed on one side of the cleaning unit 20 A plurality of glass of the alignment unit 30 to align the LCD panel 1, the cleaning is completed in 20, and the LCD panel 1 is installed on one side of the alignment unit 30, the alignment is completed in the alignment unit 30 An inspection unit 40 for inspecting whether the substrate 1b and the first and second polarizing film members 1c and 1d are free from foreign matter and lifting, and an inspection unit 40 installed on one side of the inspection unit 40. The unloading lift unit 50, which unloads the completed LCD panel 1 and lowers it in the vertical direction, is loaded and unloaded, and the loading lift unit 10, the unloading lift unit 50, and the LCD panel 1, respectively. The conveyor unit is installed between the loading lift unit 10 and the unloading lift unit 50 so as to sequentially transfer the LCD panel 1 to the cleaning unit 20, the alignment unit 30, and the inspection unit 40. 60) characterized in that provided.

The configuration of the present invention in more detail as follows.

2 to 4, the LCD panel inspection apparatus of the present invention includes a loading lift unit 10, a cleaning unit 20, an alignment unit 30, an inspection unit 40, an unloading lift unit 50 and Consisting of the conveyor unit 60, each configuration will be described as follows.

The loading lift unit 10 transfers and loads the imported LCD panel 1 in the vertical direction when the LCD panel 1 is loaded, and the unloading lift unit 50 unloads the LCD panel 1 that has been inspected. It is lowered in the vertical direction and taken out.

The loading lift unit 10 and the unloading lift unit 50 for carrying in loading or unloading the LCD panel 1 into and out of the LCD panel 1 are loaded and unloaded conveyors 11 and 51, variable conveyors 12 and 52 and lifts, respectively. ), Consisting of (13, 53), each configuration is described as follows.

The loading and unloading conveyors 11 and 51 installed below the first main frame 2 to carry in and out of the LCD panel 1 are identical to the loading lift unit 10 and the unloading lift unit 50, respectively. The variable conveyors 12 and 52 are composed of a sliding guide 12a, a plurality of moving blocks 12b, a first roller member 12c and a second roller member 12d. Here, the variable conveyor 52 installed in the unloading lift unit 50 has the same configuration as the variable conveyor 12 installed in the loading lift unit 10, and thus detailed description thereof will be omitted.

The sliding guides 12a of the variable conveyor 12 installed in the loading lift unit 10 are respectively installed above the first main frame 2, and the plurality of moving blocks 12b move along the sliding guide 12a. It is installed as possible. In addition, the first roller member 12c is installed in any one of the moving blocks 12b of the plurality of moving blocks 12b, and the second roller member 12d is installed in the other moving block 12b.

The lifts 13 and 53 which move between the variable conveyors 11 and 51 and the import and export conveyors 12 and 52 in the vertical direction to lift and lower the LDC panel 1 are respectively vertical in the first main frame 2. Sliding guides (13a, 53a) are installed. Moving blocks 13b and 53b are respectively installed on the sliding guides 13a and 53a so as to move up and down in the vertical direction, and arms 13c and 53c are provided at one end of the moving blocks 13b and 53b, respectively. 13d, 53d) is installed and configured to rotate 90 degrees.

The cleaning unit 20 is installed at one side of the loading lift unit 10 to clean foreign substances attached to the surface of the LCD panel 1 loaded from the loading lift unit 10, and the upper and lower portions of the LCD panel 1. At least one is installed on one side of the loading lift unit 10 to remove the foreign matter attached to the surface. That is, the cleaning unit 20 is installed as shown in solid and dashed lines in FIG. 2 to remove foreign substances from the upper and lower surfaces of the LCD panel 1.

The at least one cleaning unit 20 includes at least one ionizer 21, a blower 22, a dust collector 23, a dust collector 24, and a blower tube 25. The cleaning unit 20 removes the static electricity on the surface of the LCD panel 1 through the ionizer 21 to desorb the attached foreign matter, and the desorbed foreign matter absorbs the air sucked through the blowing light 25. Output through the blower 22 to send foreign matter to the dust collector 23, the foreign matter sent to the dust collector 23 is configured to be discharged to the outside through the dust collector (24).

The alignment unit 30 is installed at one side of the cleaning unit 20 so as to align the left / right distortion of the LCD panel 1 which has been cleaned in the cleaning unit 20. The first sliding guide 32, a plurality of pulleys 33, a timing belt 34, a plurality of first moving blocks 35, and a push member 36 are included.

The alignment plate 31 is installed on one side of the cleaning unit 20, that is, one side of the cleaning unit 20 installed in the second main frame 3, and the plurality of first slabs in the longitudinal direction of the alignment plate 31. The guiding guides 32 are provided, respectively. A plurality of pulleys 33 are provided on both sides of the alignment plate 31 in the longitudinal direction, respectively, and each of the plurality of pulleys 33 is provided with a timing belt 34. . The lower side of the pulley 33 is provided with a motor 33a for rotating the pulley 33.

The timing belt 34 and the plurality of first sliding guides 32 are provided with a plurality of first moving blocks 35 so that the interval between the timing belts 34 and the first sliding guides narrows or moves away from each other according to the rotation of the timing belt 34. The push member 36 is installed on each of the plurality of first moving blocks 35. Each of the plurality of push members 36 installed on the first moving block 35 is aligned by pushing the night side surface of the LCD panel 1 when the LCD panel 1 is transferred.

The inspection unit 40 inspects whether the glass substrate 1b and the first and second polarizing film members 1c and 1d of the LCD panel 1, which have been aligned in the alignment unit 30, are free of foreign matter and floating. It is installed on one side of the alignment unit 30, the first reflection camera member 41, the second reflection camera member 42, the transmission camera member 43 and the blind (44) blind member (44) It is composed.

The first reflection inspection camera member 41 is installed above the second main frame 3 in the gown position, and the second reflection inspection camera member 42 is installed below the second main frame 3. The transmission inspection camera member 43 positioned between the first reflection inspection camera member 41 and the second reflection inspection camera member 42 is installed on the upper and lower sides of the second main frame 2, and the blind member 44 is disposed. ) Is installed on the upper side of the conveyor unit 60 to cover both ends of the LCD panel (1).

The blind member 44 installed on the upper side of the conveyor unit 60 covers both ends of the LCD panel 1 when the LCD panel 1 is transferred to the inspection position by the conveyor unit 60, and in this state, the blind member 44 is disposed. The first polarizing film member 1c of the LCD panel 1 is inspected by the reflection inspection camera member and the plurality of glass substrates 1b of the LCD panel 1 are inspected by the transmission inspection camera member 43. In addition, the second polarization film member 1d of the LCD panel 1 is inspected by the second reflection inspection camera member 42.

A plurality of glass substrates on which the first polarizing film member 1c and the second polarizing film member 1d of the LCD panel 1 and the first polarizing film member 1c and the second polarizing film member 1d are attached ( 1b) and the first reflection inspection camera member 41, the second reflection inspection camera member 42 and the penetration inspection camera member 43, respectively, for inspecting whether the foreign matter attached to each other or the lifting state is defective, respectively, are illuminated. (41a, 42a, 43a), cameras (41b, 42b, 43b), micrometers (41c, 42c, 43c), first tilt adjustment members 41d, 42d, 43d, and second tilt adjustment members 41e. , 42e, 43e).

Illuminations 41a, 42a and 43a are inclined at predetermined angles, respectively, to generate a light source to irradiate the surface of the LCD panel 1, and the cameras 41b, 42b and 43b are reflected from the surface of the LCD panel 1. It is installed to be inclined at a predetermined angle so that the optical image can be taken. Here, the first inclination angle a1 of the cameras 41b and 42b of the first reflection inspection camera member 41 and the second reflection inspection camera member 42 is 50 to 70 based on the surface of the LCD panel 1. In the figure is installed by setting the inclination angle that can be most appropriately inspected foreign matter or lifting, the second inclination angle (a2) of the lights (41a, 42a) is installed to be inclined 30 to 50 degrees. In addition, each of the first inclination angle a1 and the second inclination angle a2 of the camera 43b and the illumination 43a of the transmission inspection camera member 43 is based on the surface of the LCD panel 1, respectively. The camera 43b and the illumination 43a are installed in the second main frame 3 so as to be perpendicular to each other.

Micrometers 41c, 42c, 43c are provided for linearly moving the lights 41a, 42a, 43a and the cameras 41b, 42b, 43b in the direction of inclination or extending in the vertical direction, and the cameras 41b, The first tilt adjusting members 41d, 42d, 43d so as to be able to rotate 42b, 43b at a first rotation angle (m1: shown in FIG. 5) and a second rotation angle (m2: shown in FIG. 5), respectively. ) And second inclination adjustment members 41e, 42e, 43e.

The micrometers 41c, 42c and 43c, the first tilt adjusting members 41d, 42d and 43d, and the second tilt adjusting members 41e, 42e and 43e are all configured in the same manner, and typically, the first reflection inspection camera member. The micrometer 41c, the first inclination adjustment member 41d and the second inclination adjustment member 41e provided at 41 will be described with reference to FIG. 5.

As shown in FIG. 5, the micrometer 41c is installed at each of the first fixing block 41h and the second fixing block 41i, and the first fixing block 41h is installed at the fixing plate 41f. The second fixing block 41i is installed on the moving plate 41g so that when the micrometer 41c is adjusted, the moving plate 41g is moved forward / backward along the fixed plate 41f to extend the camera 41b at an inclination angle. To move in a straight line.

As shown in FIG. 6, the first tilt adjusting member 41d and the second tilt adjusting member 41e which rotate the camera 41b at the first rotation angle m1 and the second rotation angle m2 are convex. The first rotating block 41j having a curved surface and the second rotating block 41k having a concave curved surface, respectively, and the convex curved surface of the first rotating block 41j and the concave curved surface of the second rotating block 41k are each other. After installation, the convex curved surface of the first pivot block 41j is moved along the concave curvature of the second pivot block 41k to move the camera 41b at the first pivot angle m1 and the second pivot angle m2. Rotated.

In particular, in the inspection unit 40, the penetration inspection camera member 43 is further provided with a plurality of curved fixing members 43f and the penetration inspection moving member 43g. The plurality of curved fixing members 43f are fixed to the second main frame 3, and the plurality of transmission inspection moving members 43g are installed to move along the curves of the curved fixing members 43f, respectively. The illumination 43a and the camera 43b are fixed to the plurality of transmission inspection moving members 43g respectively moving along the curve.

Thus, the plurality of curved fixing members 43f, the permeation inspection moving member 43g, the micrometers 41c, 42c, 43c, the first tilt adjusting members 41d, 42d, 43d, and the second tilt adjusting member 41e. When the interval of the inclination angle is adjusted by 42e and 43e, a blind member 44 is provided to inspect the LCD panel 1 by using the lights 41a, 42a and 43a and the cameras 41b, 42b and 43b. .

The blind member 44 is installed to prevent an inspection error caused by the illumination 41a, 42a, 43a, in particular, the illumination 43a of the penetration inspection camera member 43 spreading and penetrating near the edge of the LCD panel 1. As shown in FIG. 7, the plurality of second sliding guides 44b, the plurality of second moving blocks 44c, and the plurality of illumination blocking members 44d are provided.

The plurality of second sliding guides 44b are installed in the blind frame 44a, and the plurality of second moving blocks 44c are installed to move along the second sliding guide 44b, respectively. Illumination obstruction members 44d are respectively installed on the second moving blocks 44c which are respectively moved along the second sliding guide 44b. As described above, when the LCD panel 1 is transferred to the inspection position by the conveyor unit 60, the plurality of illumination cover members 44d respectively installed in the second moving block 44c have light at both ends of the LCD panel 1. Both ends of the LCD panel 1 are covered to prevent diffusion.

When the inspection of the LCD panel 1 is completed in the inspection unit 40 in a state in which both sides of the LCD panel 1 are covered by the blind member 44, the conveyor unit 60 is transferred to the unloading lift unit 50 by the conveyor unit 60. Unload

The conveyor unit 60 unloads the loading lift unit 10 as shown in FIG. 2 to sequentially transfer the LCD panel 1 to the cleaning unit 20, the alignment unit 30, and the inspection unit 40. The lift unit 50 and the LCD panel 1, respectively, to be carried in and out between the loading lift unit 10 and the unloading lift unit 50 is configured.

The conveyor unit 60 installed between the loading lift unit 10 and the unloading lift unit 50 may include a washing unit conveyor 61, an alignment unit conveyor 62, an inspection unit conveyor 63, and the like as shown in FIG. 2. It consists of a plurality of buffer conveyors 64.

The cleaning unit conveyor 61 is installed at the other side of the second main frame 3 to transfer the LCD panel 1 loaded from the loading lift unit 10 to the cleaning unit 20, and the alignment unit conveyor 62. Is installed on the other side of the cleaning unit conveyor 61 to transfer the LCD panel 1 from the cleaning unit 20 to the alignment unit 30.

In order to transfer the LCD panel 1 aligned in the alignment unit 30 to the inspection unit 40, the inspection unit conveyor 63 is installed at the other side of the cleaning unit conveyor 61, and the unloading lift unit ( 50, a plurality of buffer conveyors 64 and 65 are respectively installed on the other side of the inspection unit conveyor 63 in order to temporarily wait for the LCD panel 1 to be transferred.

The operation of inspecting the LCD panel 1 using the LCD panel inspection apparatus of the present invention configured as described above will be described schematically with reference to FIGS. 2 to 4.

First, when the LCD panel 1 is loaded on the loading and unloading conveyor 11 of the unloading lift 10, the arm 13c of the lift 13 is rotated 90 degrees to hold the LCD panel 1 to adjust the variable conveyor 12. Transfer to. When the arm 13c is transferred to the variable conveyor 12, the arm 13c seats the LCD panel 1 on the variable conveyor 12.

The variable conveyor 12 loads the seated LCD panel 1 into the conveyor unit 60. The conveyor unit 60 transfers the loaded LDC panel 1 to the cleaning unit 20. The cleaning unit 20 removes foreign matter attached to the surface of the transferred LCD panel 1. When continuously conveyed by the conveyor unit 60, the LCD panel 1 from which the foreign matter attached to the surface is removed from the cleaning unit 20 is transferred to the alignment unit 30.

When the LCD panel 1 transferred to the alignment unit 30 is displaced, the push member 36 of the alignment unit 30 pushes both sides of the LCD panel 1 and aligns it correctly. When the LCD panel 1 is continuously aligned by the conveyor unit 60 and aligned through the alignment unit 30, the LCD panel 1 is transferred to the inspection unit 40. Both ends of the LCD panel 1 transferred to the inspection unit 40 are covered by the blind member 44.

If both ends of the LCD panel 1 are covered by the blind member 44, the LCD panel (eg, the first reflective camera member 41, the second reflective camera member 42, and the transmission camera member 43) may be used. It is checked whether foreign matter is attached to the plurality of glass substrates 1b and the first and second polarizing film members 1c and 1d provided with 1) or if there is lifting.

More specifically, whether the foreign matter is attached to the first and second polarizing film members 1c and 1d by the first reflection inspection camera member 41 and the second reflection inspection camera member 42, or whether the lifting is generated. It is inspected, and whether the foreign matter is attached to the plurality of glass substrate (1b) through the permeation inspection camera member 43 or whether the lifting is generated.

The inspection of the LCD panel 1 is continuously carried out by the conveyor unit 60, and the inspection operation is carried out. The LCD panel 1, which has been inspected, is unloaded by the conveyor unit 60 to the unloading lift unit 50. Loaded. The unloaded LCD panel 1 is loaded on the variable conveyor 52, and when the LCD panel 1 is unloaded by the variable conveyor 52, the arm 51c of the lift 53 is gripped.

The arm 51c holding the unloaded LCD panel 1 after the inspection is completed is lowered in the vertical direction to seat the finished LCD panel 1 on the loading / unloading conveyor 51. When the LCD panel 1 is seated on the loading and unloading conveyor 51, the loading and unloading conveyor 51 is carried out to the outside to complete the inspection work.

As described above, the LCD panel inspection device according to the present invention inspects foreign substances or lifting which may occur in a plurality of glass panels filled with liquid crystal, and occurs in the first and second polarizing film members respectively attached to the plurality of glass panels. By automatically and accurately inspecting possible foreign objects or lifting, it provides the advantage of improving the productivity of the inspection operation of the LCD panel.

Claims (12)

An apparatus for inspecting an LCD panel comprising a plurality of glass substrates having liquid crystals provided therein and first and second polarizing film members attached to respective glass substrates. When the LCD panel is brought in, a loading lift unit for transporting and loading the imported LCD panel in the vertical direction, A cleaning unit installed at one side of the loading lift unit to clean foreign substances attached to the surface of the LCD panel loaded from the loading lift unit; An alignment unit installed at one side of the cleaning unit to align the LCD panel which has been cleaned at the cleaning unit; An inspection unit installed at one side of the alignment unit and inspecting whether the plurality of glass substrates and the first and second polarizing film members of the LCD panel, which are aligned at the alignment unit, are free of foreign substances and lifting; An unloading lift unit installed at one side of the inspection unit and unloading the LCD panel which has been inspected and lowered in a vertical direction to be carried out; The loading lift unit and the unloading lift unit are respectively installed between the loading lift unit and the unloading lift unit to carry in and out of the LCD panel, and the LCD panel is sequentially disposed to the cleaning unit, the alignment unit, and the inspection unit. LCD panel inspection device, characterized in that provided with a conveyor to transfer. The loading and unloading conveyor of claim 1, wherein the loading lift unit and the unloading lift unit are respectively installed below the first main frame, and carry in and out the LCD panel. A variable conveyor installed on an upper side of a first main frame to load the LCD panel to the conveyor unit or to unload the LCD panel that has been inspected from the conveyor unit; LCD panel inspection apparatus is installed so as to move in the vertical direction on the first main frame is provided as a lift to lift / lower the LCD panel to the export / entry conveyor and the variable conveyor. According to claim 1, wherein the cleaning unit LCD panel inspection apparatus, characterized in that at least one side of the loading lift unit is installed. The cleaning apparatus of claim 3, wherein the cleaning unit comprises: an ionizer for removing static electricity from the surface of the LCD panel; Blower for detaching foreign matter attached to the surface of LCD panel which has removed static electricity, LCD panel inspection device, characterized in that the dust collector is provided with a dust collector for collecting the foreign matter detached by the blower to the outside through the dust collecting pipe. According to claim 1, wherein the alignment unit A plurality of first sliding guides respectively installed on the alignment plate, A plurality of pulleys respectively installed on both sides of the alignment plate, A timing belt connected to the plurality of pulleys, A plurality of first moving blocks installed on the first sliding guide and the timing belt, respectively, and moving along the first sliding guide so as to be narrowed or separated from each other according to the rotation of the timing belt; LCD panel inspection apparatus, characterized in that provided in each of the first moving block is provided with a push member for aligning the push of the side of the LCD panel. The method of claim 1, wherein the inspection unit and the first reflection inspection camera member installed on the upper side of the second main frame, A second reflection inspection camera member installed below the second main frame, A transmission inspection camera member respectively installed on the upper and lower sides of the second main frame; It is provided with a blind member covering both ends of the LCD panel, When the LCD panel is transferred to the inspection position by the conveyor unit, the first polarization film member of the LCD panel is inspected by the first reflection inspection camera member while both sides of the LCD panel are covered by the blind member. And inspecting the plurality of glass substrates of the LCD panel by the transmission inspection camera member, and inspecting the second polarizing film member of the LCD panel by the second reflection inspection camera member. . [7] The apparatus of claim 6, wherein the first reflection camera member, the second reflection inspection camera member, and the transmission inspection camera member are respectively inclined at a second inclination angle to generate a light source and irradiate the surface of the LCD panel. , A camera inclined at a first inclination angle so as to photograph an optical image reflected from the surface of the LCD panel; A micrometer for moving the illumination and the camera in a linear direction; A first tilt adjusting member for adjusting the camera to be rotated at a first rotational angle; LCD panel inspection device, characterized in that provided with a second tilt adjusting member for adjusting the camera to rotate at a second rotation angle. The method according to claim 6 or 7, wherein the first inclination angle of the camera of the first reflection inspection camera member and the second reflection inspection camera member is installed at an angle of 50 to 70 degrees relative to the surface of the LCD panel, LCD panel inspection apparatus, characterized in that the second inclination angle of the illumination is installed inclined 30 to 50 degrees. The apparatus of claim 6, wherein the first tilt angle of the camera and the second tilt angle of the illumination of the transmission inspection camera member are installed to be perpendicular to the surface of the LCD panel. . The method of claim 6 or 7, wherein the transmission camera member is a plurality of curved fixing member, LCD panel inspection apparatus, characterized in that provided as a transmissive inspection moving member for moving the camera and the illumination is installed to move on the curved surface of the plurality of curved fixing member. The method of claim 6, wherein the blind member is a plurality of second sliding guides installed in the blind frame, A plurality of second moving blocks installed on the second sliding guide, respectively; Installed on the second moving block, respectively, when the LCD panel is moved to the inspection position, characterized in that it is provided with a plurality of illumination covering members covering both ends of the LCD panel to prevent light from being diffused from both ends of the LCD panel. LCD panel inspection device. The cleaning part conveyor of claim 1, wherein the conveyor part is installed at the other side of the second main frame to transfer the LCD panel from the loading lift part to the cleaning part. An alignment unit conveyor installed at one side of the cleaning unit conveyor to transfer the LCD panel from the cleaning unit to the alignment unit; An inspection unit conveyor installed at one side of the alignment unit conveyor to transfer the LCD panel from the alignment unit to the inspection unit; LCD panel inspection apparatus, characterized in that provided with a plurality of buffer conveyors installed on one side of the inspection conveyor to temporarily wait during the transfer of the LCD panel from the inspection unit to the unloading lift.

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