KR20110032016A

KR20110032016A - Work table of display panel inspection system

Info

Publication number: KR20110032016A
Application number: KR1020090089309A
Authority: KR
Inventors: 이정만
Original assignee: (주) 루켄테크놀러지스
Priority date: 2009-09-22
Filing date: 2009-09-22
Publication date: 2011-03-30

Abstract

PURPOSE: A work table of a display panel inspection system is provided to improve the convenience of an inspection work and reduce a work time by enabling an inspector to perform inspection for various size display panel using one work table. CONSTITUTION: X-axis drive plates(200a, 200b) are moved by an X-axis motor and the miter gear(211) attached to a work table base(100). Y-axis drive plates(300a) are moved by an Y-axis motor and a miter gear(311). Two step slide block(321) is installed to the work table base in order to prolong a stroke and prevent the sink in central part of the work table when operating the Y-axis drive plates. A light-shielding layer is spread in order to prevent light when performing lighting test of various size panels.

Description

Work Table of Display Panel Inspection System

The present invention relates to a work table for a display panel inspection apparatus used for a lighting test for inspecting whether a panel is defective, and more particularly, to enable inspection of display panels of various sizes without replacing the work table.

In general, flat panel displays have been rapidly developed in size and high resolution due to mass production technology and research and development, and have been developed not only for notebooks but also for large monitor applications.

The display panel is inspected whether the panel is normally manufactured before the final module operation. In this process, an electrical signal is applied to the panel to inspect the defect of the lit LCD to determine whether the panel is good or bad.

However, display panels are provided in various sizes, and work tables are produced and inspected according to respective sizes, which requires a lot of time for work table replacement.

Therefore, the present invention has been developed to solve the above problems.

SUMMARY OF THE INVENTION The present invention provides a work table of a lighting inspection apparatus which can produce work tables corresponding to the sizes of display panels and perform inspections, and can eliminate troublesome work table replacement.

In order to enable inspection of display panels of various sizes without replacing the worktable, the worktable uses two X-axis drive motors and two Y-axis drive motors, and the X-axis drive motor and the left and right ball screw type X connected thereto. The X-axis drive plate moves left and right by the axial ball screw, and the Y-axis drive plate moves up and down by the Y-axis drive motor and the left and right ball screw or type Y-axis ball screw connected thereto. To be able to inspect.

By inspecting display panels of various sizes with one work table, it is possible to improve work convenience and shorten the time required for lighting inspection.

When described with reference to the accompanying drawings a preferred embodiment as a means for achieving the above object as follows.

1 is a plan view showing an X-axis moving module of the worktable according to the present invention.

The X-axis moving module is connected to the miter gear 211 to utilize the worktable base 100 space by fastening the X-axis driving motor 210 to the upper right of the worktable base 100, the miter gear ( 211 is fastened to the ball screw 213 of the right and left ball screw type by the coupling 212, the ball screw 213 is fastened and fixed to the worktable base 100 by the fixing brackets (214, 214a) do.

The X-axis drive plates 200a and 200b to correspond to panels of various sizes are interlocked with the ball screws 213 by ball screw fastening blocks 215 and 216 and drive plate fastening blocks 217 and 218. , LM guides 219, 220, 221, 222 are fastened by LM guides 219, 220, 221, 222 fastened and fixed to the worktable base 100. The X-axis driving plate 200a fastened and fixed in this manner is configured to move by the operation of the X-axis driving motor 210 at the same speed in the left direction and the X-axis driving plate 200b in the right direction.

2 is a plan view showing a Y-axis moving module of the worktable according to the present invention.

The Y-axis moving module is connected to the miter gear 311 to utilize the worktable base 100 space by fastening the Y-axis driving motor 310 to the lower left of the worktable base 100, and the miter gear ( 311 is fastened to the ball screw 313 of the left and right ball screw type by the coupling 312, the ball screw 313 is fastened to the worktable base 100 by the fixing bracket 314 (314a) do.

The Y-axis drive plates 300a and 300b to correspond to panels of various sizes are interlocked with the ball screws 313 by the ball screw fastening blocks 315 and 316 and the drive plate fastening blocks 317 and 318. , LM guides 319 and 320 are fastened by LM guides 319 and 320 fastened and fixed to the worktable base 100.

The Y-axis drive plate 300a fastened and fixed in this manner is configured to move by the Y-axis drive motor 310 at the same speed in the upward direction and the Y-axis drive plate 300b in the downward direction.

When the Y-axis drive plate 300a, 300b is driven up and down, the two-stage slide block 321 is fastened up and down the center of the worktable base 100 to prevent sagging and to lengthen the stroke. The plate 300a and 300b are fixed to each other, and the two-stage slide blocks 321 and 322 are composed of two slide blocks 321a and four LM guides 321b. Driven together.

3 is a perspective view showing that the X-axis drive plates 200a and 200b and the Y-axis drive plates 300a and 300b are moved corresponding to the panel size of the work table according to the present invention.

FIG. 4 is a perspective view of light blocking films 410, 420, 430, 440, 450, 460 and 470 for blocking light from entering during a lighting test in response to the size of a worktable panel according to the present invention. .

The lower roll covers 411 and 421 are attached to the bottom of the work table base 100, and the ends of the lower light blocking films 410 and 420 rolled up to the lower roll covers are attached to the Y-axis driving plate 300a. When the Y-axis driving plate 300a moves upward, the lower light blocking films 410 and 420 are unfolded to block light from entering the bottom.

In addition, a right roll cover 431 is attached to the right side of the work table base 100, and an end of the right light shielding film 430 rolled up to the right roll cover 431 is attached to the X-axis driving plate 200a. When the X-axis driving plate 200a moves to the left side, the right light shielding film 430 is unfolded to prevent light from entering, and a left roll cover 441 is attached to the left side of the work table base 100, and the left roll cover ( The end of the left light shielding film 440 rolled up to 441 is attached to the X-axis driving plate 200b, and when the X-axis driving plate 200b moves to the right, the left light shielding film 440 is unfolded to block light from entering the left and right sides. do.

The upper roll cover 451 is attached to the upper cover 480 attached to the upper end of the worktable base 100 to prevent light from entering from above, and the upper light blocking film 450 curled to the roll cover 451. The silver end is attached to the Y-axis driving plate 300b so that the upper light blocking film 450 is unfolded when the Y-axis driving plate 300b moves downward.

When inspecting the panel between the small, the left and right light blocking films 430 and 440 cannot block all of the light. To prevent this, the ends of the lower left and right light blocking films 460 (470) are fixed to the panel lower support block 560, and the left side is The roll cover 461 is attached to the panel lower left support block 540, and the right roll cover 471 is attached to the panel right lower support block 550. The fixed lower support block 560 does not move left and right. It moves only up and down by the Y-axis drive block 300a, so when the left and right lower support blocks 550 and 560 move left and right, the lower left and right light shielding films 460 and 470 can be unfolded to block light from the bottom. In the lighting test, it is possible to minimize the inspection error caused by light.

The present invention can inspect panels of various sizes. It is fastened to the Y-axis drive plate 300b and driven together with the panel upper support block 500 and X-axis drive plates 200a and 200b to be driven together, and the panel left and right support blocks 520 and 530 are driven together. Finally, the panel is fixed by the panel lower support blocks 540, 550 and 560 which are fastened to the Y-axis driving plate 300a and driven together. By inspecting panels of various sizes, it is possible to improve work convenience and shorten the time required for lighting inspection.

1 is a plan view showing an X-axis moving module.

2 is a plan view showing a Y-axis moving module.

3 is a perspective view of the worktable in which the drive plate is moved corresponding to the panel size;

FIG. 4 is a perspective view illustrating a light shielding film for blocking light from entering during a lighting test in response to a work table panel size.

* Description of the symbols for the main parts of the drawings *

100 Worktable Base 200 X-axis drive plate

210 X axis drive motor 211 miter gear

300 Y-axis drive plate 310 Y-axis drive motor

311 miter gear 410 lower shading

420 Lower Shading 430 Right Shading

440 Left shading film 450 Upper shading film

560 Lower Left Shading Film 570 Lower Right Shading Film

Claims

In the worktable which can check various panel sizes lightly,

The X-axis driving plate is moved by the X-axis motor and the miter gear attached to the worktable base,

The Y-axis drive plate is moved by the Y-axis motor and the miter gear attached to the worktable base,

In order to prevent the deflection in the middle of driving the Y-axis drive plate and to lengthen the stroke, a two-stage slide block is mounted on the worktable base,

The roll cover is attached to the worktable base,

The end of the light shielding film rolled on the roll cover is attached to the X, Y axis drive plate,

The light blocking film end is attached to the fixed lower support block attached to the Y-axis drive plate, and the lower panel left and right support block roll covers driven by the X and Y-axis drive plates are attached.

When the X, Y-axis drive plate is driven, the light shielding film is unfolded and formed to block the light coming in even when the panel lighting inspection of various sizes.