KR200250122Y1 - LCD aging test apparatus - Google Patents

Abstract

The present invention relates to a thin-film display aging test apparatus of a novel structure that can be easily loaded and pulled out of the LCD, can effectively use the space, and improve the test efficiency.

According to the present invention, it is configured to arrange a plurality of LCD (2) inside the main body 6, the temperature or humidity inside the main body 6 is controlled by a heater or cooler provided in the main body (6) Thus, in the aging test apparatus that can test the durability of the LCD 2, an opening 10 for introducing or discharging the LCD 2 is formed on one side of the main body 6, the main body 6 In the interior of the LCD (2) input through the opening 10 is sequentially configured to include an LCD circulation mechanism (20, 22, 24, 26) to be circulated in the interior of the body (6) An LCD aging test apparatus is provided.

Description

Thin-film display aging test apparatus {LCD aging test apparatus}

The present invention relates to a thin film display, that is, an LCD aging test apparatus, and more particularly, a thin film display having a new structure that can be easily loaded and taken out of an LCD, can efficiently use space, and can increase test efficiency. It relates to an aging test apparatus.

In general, thin-film displays, or LCDs, are released after aging tests to test their durability. As such, the aging test device for testing the durability of the LCD is provided with a heater or a cooler inside the main body so that the temperature and humidity can be adjusted. The inside temperature is driven by arranging and driving a plurality of LCDs therein. You can test the durability of your LCD by artificially adjusting the temperature and humidity to create extreme conditions.

At this time, the main body is equipped with a door with an observation window is mounted on the front, the inside is provided with a plurality of holders for mounting the LCD, so that the LCD can be arranged in a state of about 70 ° leaked from the horizontal plane . In addition, the main body is provided with a video signal output means, and is configured to drive the LCD by connecting each LCD to the video signal output means.

Therefore, after installing a plurality of LCDs in the main body at the same time, while driving the LCD connected to the image output means, while controlling the temperature or humidity inside the main body using the heater or cooler, a large number of LCDs can be tested at the same time Can be. In addition, each tested LCD is checked once again in a separate post process to check whether each LCD is abnormal.

However, since the aging test apparatus arranges the LCD upright at about 70 °, the LCD takes up a lot of space. Therefore, there is a problem that the size of the test apparatus is very large. In addition, the aging test apparatus is installed or taken out of the LCD through the door on the front of the main body, when the door is opened, the temperature or humidity inside the main body is changed. Therefore, in order to prevent the test conditions inside the main body from maintaining a constant temperature and humidity, all the LCDs are tested at the same time so that the doors do not need to be opened during the LCD test. However, in order to test the LCD at once, because a large number of LCDs must be installed and tested at the same time, and a large number of tested LCDs must be taken out, intensive workforce is required when installing and removing the LCDs. There was a problem that it was difficult to utilize manpower efficiently. In addition, since the test is stopped when replacing the LCD, the test takes a long time, there was a problem that the productivity is lowered.

In particular, when the door is opened after the test is finished, the temperature and humidity inside the main body change to room temperature. Therefore, in order to restart the test by re-installing the LCD, the temperature and humidity inside the main body are set to the test condition using the heater or cooler described above. Since it has to be re-formed, there was a problem that it takes a long time to resume the test.

The present invention is to solve the above problems, an object of the present invention is to facilitate the loading and withdrawal of the LCD, to effectively utilize the space, and to improve the efficiency of the test thin film display aging test of a new structure To provide a device.

1 is a perspective view showing a thin film display aging test apparatus according to the present invention

2 is a side cross-sectional view of FIG. 1

3 is a block diagram showing the LCD circulation mechanism of the thin film display aging test apparatus

4 is a side view of FIG. 3

5 is a block diagram showing a palette of the present invention

<Description of Symbols for Main Parts of Drawings>

2. LCD 4. Pallet

6. Body 10. Opening

20,22,24,26. LCD circulating mechanism 42. Video signal output means

44. Contacts 46. Brush

50. Jack

According to the present invention, it is configured to arrange a plurality of LCD (2) inside the main body 6, the temperature or humidity inside the main body 6 is controlled by a heater or cooler provided in the main body (6) Thus, in the aging test apparatus that can test the durability of the LCD 2, an opening 10 for introducing or discharging the LCD 2 is formed on one side of the main body 6, the main body 6 In the interior of the LCD (2) input through the opening 10 is sequentially configured to include an LCD circulation mechanism (20, 22, 24, 26) to be circulated in the interior of the body (6) An LCD aging test apparatus is provided.

According to another feature of the present invention, the LCD 2 is an opening 10 of the body 6 in a state of being mounted on a plate-shaped pallet 4 with a jack 50 electrically connected to the LCD 2. The main body 6 is provided with a video signal output means 42 for outputting a video signal, and is circulated by the LCD circulation mechanisms 20, 22, 24, and 26. The contact point 44 is connected to the video signal output means 42 and disposed along a transport path of the pallet 4, and a brush 46 connected to the jack 50 is provided at one side of the pallet 4. LCD is circulated by the LCD circulation mechanisms 20, 22, 24, and 26, and the brush 46 is in contact with the contact point 44 so as to circulate the video signal output from the image signal output means 42. By transmitting to 2), there is provided an LCD aging test apparatus characterized in that the LCD 2 can be driven even during the test.

According to another feature of the present invention, the LCD circulation mechanism (20, 22, 24, 26) is installed vertically in the interior of the main body 6 to increase the pallet (4) vertically rising unit (20) And a pusher 22 mounted on the upper side of the raising unit 20 to push the pallet 4 raised by the raising unit 20 to move horizontally, and the pallet 4 moved horizontally by the pusher 22. A lowering unit 24 for receiving and lowering the upper and lowering units 24 and the lowering unit 24 and the lowering unit 20, and the pallet 4 lowered by the lowering unit 24 is transferred to the raising unit 20. Provided is an LCD aging test apparatus comprising a conveyor (26).

Hereinafter, described with reference to the accompanying drawings, preferred embodiments of the present invention is as follows.

1 to 5 illustrate an LCD aging test apparatus according to the present invention, and is configured to arrange a plurality of LCDs 2 inside the main body 6, and includes a heater provided in the main body 6 or The temperature and humidity inside the main body 6 are controlled with a cooler, and the durability of the LCD 2 can be tested. In this case, the LCD 2 is tested in a state of being mounted on a plate-shaped pallet 4, and one pallet 4 is configured to mount approximately four LCDs 2.

In addition, the main body 6 is formed in a substantially rectangular box shape, and an accommodating part 8 for accommodating a plurality of pallets 4 on which the LCD 2 is mounted is formed therein, and at one side thereof. An opening 10 is formed, and through this opening 10, a pallet 4 on which the LCD 2 is mounted can be put or a pallet 4 inside can be discharged to the outside. The opening 10 is formed to be elongated in the horizontal direction so that the pallet 4 can be passed in a lying state, and the door 12 is mounted to be movable up and down, and the door 12 is lifted up and down. By doing so, the opening 10 can be opened and closed. In addition, in front of the opening 10, a slide panel 14 is provided on which the pallet 4 can be placed. The slide panel 14 is mounted to the horizontal guide 16 mounted in front of the opening 10, and is automatically slid back and forth by a driving device (not shown), the main body through the opening 10 in accordance with the forward and backward It penetrates inside of (6) and functions to convey the pallet 4 arrange | positioned at the upper surface inside the main body 6. As shown in FIG. In addition, the slide panel 14 is provided with a stand mechanism for rotating the pallet 4 to stand. Therefore, in the state where the pallet 4 is rotated and raised to about 70 °, the LCD 2 is mounted on the front surface thereof, and then the pallet 4 is laid down in the horizontal direction by the stand mechanism. ) Is operated to be inserted into the main body 6 to transport the pallet 4 into the main body 6.

In addition, the LCD circulation mechanisms 20, 22, 24, and 26 are configured to sequentially load the LCD 2 introduced through the opening 10 into the main body 6 to circulate inside the main body 6. ) Is provided. The LCD circulation mechanisms 20, 22, 24, and 26 are lift units 20 which are vertically installed inside the main body 6 to vertically lift the pallet 4, as shown in FIG. The pusher 22 mounted on the upper side of the raising unit 20 to push horizontally the pallet 4 lifted by the raising unit 20 and the pallet 4 horizontally transferred by the pusher 22 are moved. A lowering unit 24 to receive and lower the lowering unit, and a conveyor 4 installed at the lower side of the lowering unit 24 and the rising unit 20 to transfer the pallet 4 lowered by the lowering unit 24 to the rising unit 20. It consists of 26.

As shown in FIGS. 3 and 4, the lifting unit 20 uses a pair of elevators 30, 34, 36, and 38 installed vertically inside the main body 6 so as to be spaced a predetermined interval apart. It is configured to raise or lower by supporting both ends. That is, the elevators (30, 34, 36, 38) are respectively mounted on the upper and lower sides of the vertical frame (30) installed vertically in the main body 6 and the sprocket (34) driven by the drive motor 32, It consists of a chain 36 hooked to the sprocket 34 and a plurality of arms 38 coupled to the chain 36 and extending out of the chain 36. The elevators 30, 34, 36, 38 When the pallet 4 is supplied between the two ends, both ends of the pallet 4 are placed and supported on the upper surface of the arm 38. Therefore, when the driving motor 32 is driven, the arm 38 coupled to the chain 36 is raised, so that the pallet 4 supported by the arm 38 can be raised. In addition, the lowering unit 24 also has the same structure as the above-mentioned lifting unit 20, and drives the rotational direction of the drive motor 32 opposite to the rising unit 20, the pallet placed on the arm 38 (4) can be lowered.

The pusher 22 pushes the pallet 4 lifted by the lifting unit 20 toward the lowering unit 24 by using a cylinder installed at the upper end of the lifting unit 20, and lowers the pallet 4. It is configured to be able to transfer to (24). The conveyor 26 is formed in a width narrower than the interval of the elevator (30, 34, 36, 38), the lower side of the lowering unit 24 and the raising unit 20, that is, a pair of arranged to be spaced apart Horizontally arranged to pass between elevators 30, 34, 36 and 38, when the pallet 4 lowered by the lowering unit 24 is placed on its upper surface, the pallet 4 is horizontally transported to raise the lifting unit ( 20).

At this time, the lifting unit 20 is disposed in the front of the main body 6, that is, the opening 10 side, the lowering unit 24 is the inner rear of the main body 6, that is, in the opening 10 It is arrange | positioned at the far side, and when the pallet 4 is thrown in to the opening part 10, it is comprised so that the pallet 4 may raise and lower by the said lifting unit. Therefore, the pallet 4 introduced into the inlet by the slide panel 14 is lifted by the lifting unit 20, transferred to the lowering unit 24 by the pusher 22, and lowered. It is conveyed to the lifting unit 20 by the 26 and is raised again. When the pallet 4 reaches the height of the opening 10, the slide panel 14 receives the pallet 4 to the opening 10. Will be discharged.

In addition, the main body 6 is provided with a video signal output means 42, the video signal output from the video signal output means 42, the pallet (installed in the LCD circulation mechanism 20, 22, 24, 26) 4), the LCD 2 can be driven. That is, the inside of the main body 6 is provided with a contact point 44 connected to the image signal output means 42 and disposed along the conveying path of the pallet 4, and on one side of the pallet 4 A brush 46 electrically connected to the contact 44 and four jacks 50 connected to the brush 46 and configured to couple the LCD 2 are provided. The contact point 44 is provided in the support frame 52 disposed along the transfer path of the pallet 4, in particular, the transfer path of the brush 46 provided in the pallet 4, inside the main body 6, When the pallet 4 is conveyed, the brush 46 provided in the pallet 4 is configured not to fall off the contact 44. As shown in FIG. 5, the brush 46 is mounted on one side of the pallet 4 so as to be pushed to protrude by a spring, and the pallet 4 has an LCD circulation mechanism 20, 22,. Even if it is circulated by 24 and 26, it contacts the contact point 44 continuously, and transmits the video signal output from the video signal output means 42 to the LCD 2. As shown in FIG. Accordingly, the pallet 4 can be circulated inside the main body 6 to transmit and drive an image signal to the LCD 2 mounted on the pallet 4.

The operation of the LCD aging test apparatus configured as described above is as follows.

First, in the state where the slide panel 14 protrudes out of the main body 6 and the pallet 4 is erected by the stand mechanism, the operator moves the LCD 2 transported by a separate conveyor 26. When the pallet 4 is laid down after connecting to the jack 50 of the pallet 4, the slide panel 14 is inserted into the main body 6 through the opening 10, and the pallet 4 is connected to the main body. The pallet 4 supplied to the inside of the main body 6 by the slide panel 14 is supplied to the inside of the main body 6 by the LCD circulation mechanisms 20, 22, 24 and 26. 6) is circulated in the interior, and at this time, since the brush 46 provided on one side of the pallet 4 continuously contacts the contacts 44 provided in the main body 6, the pallet 4 is circulated. Even in the test, the video signal output from the video signal output means 42 is continuously transmitted to the LCD 2 to drive the LCD 2.

When the pallet 4 is circulated once in the main body 6 to reach the position of the opening 10, the slide panel 14 receives the pallet 4 and discharges it to the outside of the main body 6. . At this time, the slide panel 14 is further provided with a separate contact terminal connected to the image signal output means 42, the test is completed LCD (2) of the pallet (4) discharged to the outside of the main body (6) By operating the LCD 2 by transmitting an image signal to the operator, the operator finally visually checks whether the LCD 2 has any abnormality, and then removes the LCD 2 from the pallet 4 after checking that there is no abnormality. By mounting on the conveyor 26, it can transfer to the next process.

The LCD aging test apparatus configured as described above may input the LCD 2 through the opening 10 formed at one side of the main body 6, and take out only the tested LCD 2 first and discharge it to the outside through the opening 10. Therefore, the LCD 2 is continuously replaced one by one. Therefore, unlike the conventional test apparatus, in which the entire LCD 2 installed inside the main body 6 needs to be replaced when the test is completed, in order to replace the LCD 2, continuous testing is possible without having to stop the test. Therefore, there is an advantage that can reduce the time taken for testing. In particular, unlike the conventional aging tester in which the internal temperature or humidity is changed when the LCD 2 is replaced by opening and closing the door 12 on the front of the main body 6, when the LCD 2 is replaced, the main body 6 is replaced. Since the internal temperature or humidity does not change, the test time can be further reduced. In addition, since the LCD (2) is replaced one at a time, it can be replaced by only one worker, there is an advantage that can reduce the manpower.

In addition, since the holder is loaded with the LCD 2 lying on its upper surface, there is an advantage in that the space can be efficiently used as compared to the conventional aging test apparatus in which the LCD 2 is placed upright.

As described above, according to the present invention, the LCD circulation mechanisms 20, 22, 24, and 26 for circulating the LCD 2 are mounted inside the main body 6, and inserted into the opening 10 of the main body 6. By testing the LCD 2 by circulating the inside of the main body 6, the LCD 2 can be easily loaded and unloaded, the space can be utilized efficiently, and a new structure can be used to increase the test efficiency. A thin film display aging test apparatus can be provided.

Claims (3)

It is configured to arrange a plurality of LCD (2) inside the main body 6, by adjusting the temperature or humidity inside the main body 6 with a heater or cooler provided in the main body 6, LCD (2) In the aging test apparatus to be able to test the durability of the), an opening 10 for introducing or discharging the LCD 2 is formed on one side of the main body 6, and the opening inside the main body 6; LCD aging test, characterized in that it comprises a LCD circulation mechanism (20, 22, 24, 26) to be sequentially loaded by the LCD (2) introduced through the (10) to circulate inside the body (6) Device. 2. The LCD (2) according to claim 1, wherein the LCD (2) is introduced into the opening (10) of the main body (6) in a state of being mounted on a plate-shaped pallet (4) provided with a jack (50) electrically connected to the LCD (2). It is circulated by the LCD circulation mechanism (20, 22, 24, 26), the main body 6 is provided with a video signal output means 42 for outputting a video signal, the inside of the main body 6 The contact point 44 is connected to the image signal output means 42 and is disposed along a transport path of the pallet 4, and a brush 46 connected to the jack 50 is provided at one side of the pallet 4. LCD (2) is provided, the brush 46 is in contact with the contact 44 to circulate the video signal output from the video signal output means 42 by the LCD circulation mechanism (20, 22, 24, 26) LCD aging test apparatus, characterized in that the LCD (2) can be driven even during the test. According to claim 1, wherein the LCD circulation mechanism (20, 22, 24, 26) is mounted vertically in the interior of the main body (6) and the lifting unit (20) to vertically raise the pallet (4), The pusher 22 mounted on the upper side of the lifting unit 20 to push horizontally the pallet 4 lifted by the rising unit 20 and the pallet 4 horizontally transferred by the pusher 22 receives the pusher 22. A conveyor unit for lowering the lowering unit 24 and the lowering unit 24 and the lowering unit 20 and lowering the pallet 4 lowered by the lowering unit 24 to the raising unit 20 ( LCD aging test apparatus characterized in that it comprises a.