KR20170028477A - Testing device for liquid crystal display module - Google Patents
Testing device for liquid crystal display module Download PDFInfo
- Publication number
- KR20170028477A KR20170028477A KR1020150124730A KR20150124730A KR20170028477A KR 20170028477 A KR20170028477 A KR 20170028477A KR 1020150124730 A KR1020150124730 A KR 1020150124730A KR 20150124730 A KR20150124730 A KR 20150124730A KR 20170028477 A KR20170028477 A KR 20170028477A
- Authority
- KR
- South Korea
- Prior art keywords
- module
- liquid crystal
- mounting portion
- module mounting
- wiring
- Prior art date
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
-
- G02F2001/136254—
Abstract
The present invention relates to a liquid crystal module testing apparatus, and more particularly, to a liquid crystal module testing apparatus that improves durability by reducing twist of a wiring.
The present invention relates to a fixed table; A rotary table installed on the fixed table so as to be rotatable in a forward direction or a reverse direction; A plurality of module seating portions formed at regular intervals in the radial direction on the rotary table; A terminal portion formed in the module mounting portion and connected to the liquid crystal module to be inspected; A wiring connected to the terminal portion; A plurality of test devices formed at positions corresponding to the plurality of module seating portions; And a drive means for rotating the rotary table in the forward and reverse directions, wherein the wiring is connected to the reference point of the fixed table in a state in which the neutral points of the rotary table are aligned and the neutral point rotates through the reference point And the driving means is rotated in the forward and reverse directions so that the twist of the wiring becomes 180 degrees or less.
Description
BACKGROUND OF THE
In general, electronic parts such as a camera module, a substrate of an electronic device such as a mobile phone, and a display such as an LCD or an LED are subjected to a series of tests for the presence or absence of an abnormality after manufacture, Adjustment inspection, resolution inspection, image inspection, and the like are performed.
There is an increasing demand for an electronic component testing apparatus that can reduce the inspection time and enable precise inspection, thereby increasing the production efficiency .
A conventional electronic component testing apparatus includes a rotary table provided with a plurality of test tables provided at regular intervals along the circumferential direction of the rotary table on a rotary table provided so as to be rotatable, .
According to such a conventional electronic component testing apparatus, different test is simultaneously performed on each test bench while the same electronic component is mounted on each test bench. After one simultaneous test is completed, the rotating table is rotated so that each test stand moves to the test site where the adjacent test stand was located along the rotating direction of the rotating table, and then another test is performed on each electronic component.
By performing the tests on the electronic components as described above, it is possible to simultaneously perform various tests on various electronic components at each test stand, thereby shortening the test time.
However, when the test is performed while rotating the rotary table as described above, when the tester for receiving the test result from each test table is connected with the cable, the rotation of the rotary table is repeated, and the cable is twisted.
Because of this problem, there is provided a connection terminal for detachably connecting the cable to the test stand on the test stand, disconnecting the connection between the cable and the connection terminal every time one test is completed, The cable is repeatedly re-connected to prevent the cable from being twisted.
However, since the connection and disconnection between the cable and the connection terminal is repeated every time one test is completed, a connection failure due to abrasion or breakage of the connection portion occurs and normal test is not performed, or the connection between the cable and the connection terminal As the time required for the release and initialization increases, the overall test time may become longer and the efficiency of the test may deteriorate.
An object of the present invention is to shorten inspection time of a liquid crystal module by constituting an inspection apparatus for inspecting a liquid crystal module in a rotary manner.
It is another object of the present invention to improve the durability of the liquid crystal module inspection apparatus by minimizing twisting of the wiring by limiting the rotation range of the rotary table in an inspection apparatus for inspecting the liquid crystal module in a rotary manner.
According to an aspect of the present invention, A rotary table installed on the fixed table so as to be rotatable in a forward direction or a reverse direction; A plurality of module seating portions formed at regular intervals in the radial direction on the rotary table; A terminal portion formed in the module mounting portion and connected to the liquid crystal module to be inspected; A wiring connected to the terminal portion; A plurality of test devices formed at positions corresponding to the plurality of module seating portions; And a drive means for rotating the rotary table in the forward and reverse directions, wherein the wiring is connected to the reference point of the fixed table in a state in which the neutral points of the rotary table are aligned and the neutral point rotates through the reference point The driving unit may be configured to rotate in the forward and reverse directions so that the twist of the wiring is less than or equal to 180 degrees.
The neutral point is located between the Nth module seat and the (N + 1) th module seat when the plurality of module seating portions are formed with 2N (N: positive integers) And then rotates in a direction of 360 / 2N ° sequentially from the 2Nth module mounting part to the first module mounting part,
The driving means rotates 360 / N in one direction sequentially from the first module seating portion to the (2N-1) th module seating portion, rotates 360 / 2N ° again to the 2Nth module seating portion, And then rotates in the direction of 360 / N ° in the opposite direction, and rotates in the direction of 360 / 2N ° to the first module mounting part and returns.
The neutral point is located in the (N + 1) -th module seating portion, and the driving means is located in the (2N + 1) -th module seating portion in the first module seating portion when the plurality of module seating portions are formed of 2N + 1 (2N + 1) degrees sequentially from the (2N + 1) -th module mounting part to the first module mounting part by rotating 360 / (2N + 1)
The driving means rotates in one direction by 360 * 2 / (2N + 1) degrees sequentially from the first module seating portion to the (2N + 1) th module seating portion, (2N + 1) degrees in the opposite direction to the second module mounting portion, and the second module mounting portion rotates in the reverse direction 360 * 2 / (2N + 1) And then returning to the opposite direction.
The apparatus for inspecting a liquid crystal module according to the present invention has a plurality of liquid crystal modules mounted on a rotating table so that the rotating table is rotated and inspected, thereby shortening inspection time.
In addition, the apparatus for inspecting a liquid crystal module according to the present invention has an effect of improving the durability of the liquid crystal module inspection apparatus by minimizing the twist of the wiring by limiting the rotation range of the rotation table.
1 is a block diagram showing the structure of a liquid crystal module testing apparatus according to the present invention.
2 is a plan view showing a rotation table of a liquid crystal module testing apparatus according to the present invention.
3 is a perspective view showing a module seating portion of a liquid crystal module testing apparatus according to the present invention.
4 is a plan view showing an embodiment in which the module mounting portion of the liquid crystal module testing apparatus according to the present invention is formed in an even number.
5 and 6 are views for explaining the operation in the case where the module seating portion of the liquid crystal module testing apparatus according to the present invention is formed with an even number.
7 is a plan view showing an embodiment in which the mounting portion of the liquid crystal module testing apparatus according to the present invention is formed in an odd number.
8 and 9 are views for explaining the operation when the mounting portion of the liquid crystal module testing apparatus according to the present invention is formed as an even number.
DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of an electronic component testing apparatus and a resistance welding method thereof according to the present invention will be described with reference to the accompanying drawings. For convenience of explanation, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.
2 is a plan view showing a rotation table of a liquid crystal module testing apparatus according to the present invention, and FIG. 3 is a sectional view of a liquid crystal module testing apparatus according to the present invention. Fig.
As shown in the drawing, the liquid crystal module testing apparatus according to the present invention includes a stationary table 110, a rotary table 120 rotatably installed on the stationary table 110, a plurality of module seats A
The plurality of module seating portions 122-1, 122-2, 122-3, and 122-4 are formed at equal intervals in the radial direction on the rotary table 120.
2 shows a state in which the
The present invention is characterized in that twisting of the wiring is performed in a range of 180 degrees or less so that the damage of the wiring is reduced and the durability of the liquid crystal module testing apparatus is improved.
3, the
Referring again to FIG. 2, the illustrated embodiment shows four module seating portions 122-1, 122-2, 122-3, and 122-4 arranged at intervals of 90 degrees.
Loading and unloading of the liquid crystal module (LCM) is performed to the module seating part 122-1 at a specific position, and inspection of the liquid crystal module is performed at the remaining module seating parts 122-2, 122-3, and 122-4. This type of inspection is performed by three inspection machines. The liquid crystal module to be inspected is mounted on the module mounting part and then sequentially inspected by three inspection machines and then unloaded. As shown in the figure, a plurality of liquid crystal modules may be mounted on one module mounting portion.
FIG. 4 is a plan view showing an embodiment in which the module seating portion of the liquid crystal module testing apparatus according to the present invention is formed in an even number, and FIGS. 5 and 6 are views showing an operation when the module seating portion of the liquid crystal module testing apparatus according to the present invention is formed with even number Fig.
As shown in the figure, in the case where the module seating portion is formed of an even number (2N and N is a positive integer) (six in the embodiment), the neutral point where the wiring is not twisted is the Nth module seating portion and the (N + And may be located between the module seating portions. Here, the neutral point means a specific position of the rotary table and a point where the wiring is not twisted when aligned with the reference point of the fixing plate.
If the wiring is connected with the neutral point of the rotary table aligned with the reference point of the fixed table, the wiring is not twisted when the neutral point of the rotary table is aligned with the reference point of the fixed table.
The present invention is characterized in that the twist of the wiring of the rotary table caused by the rotation in the forward direction (clockwise direction) or the reverse direction (counterclockwise direction) is 180 degrees or less.
In other words, the neutral point of the rotary table has an angular displacement not exceeding 180 degrees in either direction beyond the reference point of the fixed table, minimizing the twist of the wiring.
In order to minimize the twist of the wiring, as shown in FIG. 4, when the module seating portion is formed by 2N, the neutral point is located between the Nth module mounting portion and the (N + 1) It is preferable to control the rotation of the rotary table as shown in Fig.
FIG. 5 is a view illustrating an operation in which the module is rotated in one direction sequentially from the first module seating portion to the 2Nth module seating portion, and then is rotated in a reverse direction at a time from the 2Nth module seating portion to the first module seating portion.
Through this operation, each module seat passes through the tester at all positions, and the twist of the wiring is maintained within a range of 180 degrees.
The position where the wiring is twisted to the maximum is the state where the first module mounting part aligns with the reference point and the second module mounting part is aligned with the reference point, and the maximum twist angle becomes 180 degrees or less.
6 shows that from the first module mounting portion to the driving means are sequentially rotated 360 / N in one direction from the first module mounting portion to the 2N-1th module mounting portion, and thereafter rotated 360 / Rotates 360 / N in the reverse direction sequentially to the second module seating portion, and rotates in the direction opposite to 360 / 2N to the first module seating portion and returns.
As shown in the figure, the rotary table rotates in the forward direction (clockwise direction) and starts with the first module mounting part aligned with the reference point, and then starts with the third module mounting part, then the fifth module mounting part, Next, the sixth module mounting portion is located at the reference point. Thereafter, the rotary table is rotated in the reverse direction (counterclockwise), and the fourth module mounting part, the second module mounting part, and the first module mounting part are sequentially rotated to the reference point.
This driving method has an effect of uniformly dispersing the driving time of the rotating table in the form of rotating two cartons in forward rotation and two cartridges in reverse rotation.
FIG. 7 is a plan view illustrating an embodiment in which the mounting portion of the liquid crystal module testing apparatus according to the present invention is formed in an odd number, FIGS. 8 and 9 illustrate an operation in the case where the mounting portion of the liquid crystal module testing apparatus according to the present invention is formed in an even number Fig.
As shown in the figure, when the module mounting portion is formed of an odd number (2N + 1, N is a positive integer) (six in the embodiment), the neutral point at which the wiring is not twisted is And the operation of the rotary table in this case can be made as shown in Figs.
FIG. 8 is a view illustrating an operation in which the module is rotated in one direction sequentially from the first module seating portion to the (2N + 1) th module seating portion, and then rotated backward to the first module seating portion from the .
The position where the wiring is twisted to the maximum is the state where the first module seating part is aligned with the reference point and the 2N + 1th module seating part is aligned with the reference point, and the maximum twist angle is 180 degrees or less.
FIG. 9 is a view showing a state in which the first to (N + 1) th modules are sequentially rotated from the first module seating portion to the (2N + 1) th module seating portion by 360 * 2 / After rotating 360 / (2N + 1) degrees in the opposite direction, the rotation is repeated 360 * 2 / (2N + 1) degrees in the reverse direction from the second module mounting portion to the first module mounting portion And rotating and returning in the opposite direction.
As shown in the figure, the rotary table rotates in the forward direction (clockwise direction) and starts with the first module mounting part aligned with the reference point, and then starts with the third module mounting part, then the fifth module mounting part, Next, the seventh module mounting portion is located at the reference point. Thereafter, the rotary table is rotated in a reverse direction (counterclockwise), and the sixth module mounting portion, the fourth module mounting portion, the second module mounting portion, and the first module mounting portion sequentially rotate to be located at the reference point.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand. Accordingly, the true scope of protection of the present invention should be defined by the following claims.
110: stationary table
120: Rotating table
122-1, 122-2, 122-3, and 122-4:
126: Wiring
124:
124a: connection cover
130: Inspector
Claims (6)
A rotary table installed on the fixed table so as to be rotatable in a forward direction or a reverse direction;
A plurality of module seating portions formed at regular intervals in the radial direction on the rotary table;
A terminal portion formed in the module mounting portion and connected to the liquid crystal module to be inspected;
A wiring connected to the terminal portion;
A plurality of test devices formed at positions corresponding to the plurality of module seating portions; And
And drive means for rotating the rotary table in the forward and reverse directions,
Wherein the wiring is connected to the reference point of the fixed table in a state in which the neutral point of the rotary table is aligned so that a twist occurs in a wiring as much as a displacement angle at which the neutral point rotates through the reference point, And configured to rotate in the normal direction so that the twist of the wiring becomes 180 degrees or less,
Liquid crystal module testing apparatus.
When the plurality of module seating portions are formed with 2N (N: positive integers)
The neutral point is located between the Nth module mounting portion and the (N + 1) th module mounting portion,
The driving means sequentially rotates 360 / 2N in one direction from the first module seating portion to the 2Nth module seating portion,
The second module mounting portion, and the second module mounting portion,
Liquid crystal module testing apparatus.
When the plurality of module seating portions are formed with 2N (N: positive integers)
The neutral point is located between the Nth module mounting portion and the (N + 1) th module mounting portion,
The driving means rotates 360 / N in one direction sequentially from the first module seating portion to the (2N-1) th module seating portion, rotates 360 / 2N ° again to the 2Nth module seating portion, (360 / N < / RTI >< RTI ID = 0.0 > direction) < / RTI &
Liquid crystal module testing apparatus.
When the plurality of module seating portions are formed of 2N + 1 (N: positive integers)
The neutral point is located in the (N + 1) th module mounting portion,
The driving means sequentially rotates 360 / (2N + 1) degrees from the first module seating portion to the (2N + 1) th module seating portion in one direction,
(2N + 1) < th > module mounting portion to the first module mounting portion,
Liquid crystal module testing apparatus.
When the plurality of module seating portions are formed of 2N + 1 (N: positive integers)
The neutral point is located in the (N + 1) th module mounting portion,
The driving means sequentially rotates 360 * 2 / (2N + 1) degrees from the first module seating portion to the (2N + 1) th module seating portion in one direction,
(2N + 1) degrees in the reverse direction from the (2N + 1) th module mounting portion to the 2Nth module mounting portion,
And then rotates 360 * 2 / (2N + 1) ° sequentially in the reverse direction to the second module seating portion,
The second module mounting portion and the first module mounting portion,
Liquid crystal module testing apparatus.
A plurality of liquid crystal modules can be mounted on one seating portion,
Liquid crystal module testing apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150124730A KR20170028477A (en) | 2015-09-03 | 2015-09-03 | Testing device for liquid crystal display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150124730A KR20170028477A (en) | 2015-09-03 | 2015-09-03 | Testing device for liquid crystal display module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20170028477A true KR20170028477A (en) | 2017-03-14 |
Family
ID=58459981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020150124730A KR20170028477A (en) | 2015-09-03 | 2015-09-03 | Testing device for liquid crystal display module |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20170028477A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633943A (en) * | 2019-01-10 | 2019-04-16 | 重庆京东方显示照明有限公司 | Backlight rubberizing detecting tool |
-
2015
- 2015-09-03 KR KR1020150124730A patent/KR20170028477A/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633943A (en) * | 2019-01-10 | 2019-04-16 | 重庆京东方显示照明有限公司 | Backlight rubberizing detecting tool |
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