KR200250123Y1 - 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 plurality of cradle 18 to be arranged the LCD (2), and the inside of the main body 6 is mounted by the transfer mechanism and the LCD transfer means 20 is provided, this LCD transfer The means 20 may transfer the LCD 2 introduced into the opening 10 to be disposed on the holder 18 or to take out the LCD 2 disposed on the holder 18 and discharge the LCD 2 to the opening 10. It is configured to perform the test by placing the LCD (2) introduced into the inlet to the holder 18, the test is completed LCD (2) is the dog The LCD aging test wherein a to be discharged to the section 10 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, so to re-install the LCD and restart the test, the temperature and humidity inside the main body are re-configured under the test condition using the heater or cooler described above. Because of this, 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 of a thin film display aging test apparatus according to the present invention

Figure 2 is a side cross-sectional view of Figure 1

<Description of Symbols for Main Parts of Drawings>

2. LCD 4. Pallet

6. Body 10. Opening

18. Cradle 20. LCD Transfer Method

24. Video signal output means 26. Jack

28. Contact terminal

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 plurality of cradle 18 to be arranged the LCD (2), and the inside of the main body 6 is mounted by the transfer mechanism and the LCD transfer means 20 is provided, this LCD transfer The means 20 may transfer the LCD 2 introduced into the opening 10 to be disposed on the holder 18 or to take out the LCD 2 disposed on the holder 18 and discharge the LCD 2 to the opening 10. It is configured to perform the test by placing the LCD (2) introduced into the inlet to the holder 18, the test is completed LCD (2) is the dog The LCD aging test wherein a to be discharged to the section 10 is provided.

According to another feature of the present invention, the LCD 2 is mounted on a plate-shaped pallet 4 with a jack 26 electrically connected to the LCD 2 to the opening 10 of the body 6. The LCD conveying means 20 is configured to convey the pallet 4 to be disposed on the holder 18, and the main body 6 is provided with an image signal output means 24 for outputting an image signal. In addition, a contact terminal 28 connected to the jack 26 and the video signal output means 24 is provided at an adjacent portion of the pallet 4 and the cradle 18, respectively. ), The contact terminals 28 are electrically connected to each other to transmit the video signals of the video signal output means 24 to the LCD 2, thereby driving the LCD 2 mounted on the cradle 18. An LCD aging test apparatus is provided, which is capable of being provided.

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

1 to 1 illustrate an LCD aging test apparatus according to the present invention, and is configured to arrange a plurality of LCDs 2 inside a main body 6, and includes a heater or a cooler provided in the main body 6. The temperature and humidity inside the furnace body 6 are adjusted to test the durability of the LCD 2 as in the prior art. 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 inside of the main body 6 is provided with a plurality of cradles 18 for placing the pallet 4, and the LCD transfer means 20 for transferring the pallet (4), It is configured to transfer the pallet 4 introduced into the opening 10 to be disposed on the cradle 18 or to take out the pallet 4 disposed on the cradle 18 and to discharge it to the opening 10.

The cradle 18 has a horizontal panel installed inside the main body 6 so that the pallet 4 can be placed on the upper surface of the horizontal panel in a lying state, and each cradle 18 is vertically up and down. It is installed in a form stacked in the vertical direction so as to be located on the side. The LCD transfer means 20 is mounted to the inside of the main body 6 to be lifted up and down by a predetermined drive mechanism, the arm on which one side is to hold the pallet 4 to be transported in the horizontal direction The instrument 22 is provided. In addition, the LCD transfer means 20 is connected to a separate controller (not shown) to set the pallet 4 introduced into the opening 10 in the holder 18 in order, and the tested pallet 4 is It is taken out and discharged out of the main body 6 in order.

Therefore, when the pallet 4 is conveyed to the inside of the main body 6 by the slide panel 14, the pallet 4 is raised and lowered by holding the pallet 4 using the arm mechanism 22, Is installed by inserting the pallet (4) into the empty holder 18 is not installed, the tested pallet of the pallet (4) installed in the holder 18 is taken out to the female mechanism 22 and the opening ( Through 10) it can be discharged to the outside of the main body (6).

In addition, the main body 6 is provided with a video signal output means 24, and transmits the video signal output from the video signal output means 24 to the pallet (4) installed in the holder 18, LCD ( 2) can be driven. That is, the pallet 4 is provided with four jacks 26 to which the LCD 2 is connected, and the jack 26 and the video signal output means are adjacent to the pallet 4 and the holder 18. Contact terminals 28 connected to 24 are provided respectively. The jack 26 is configured to fit the connector provided on one side of the LCD (2), the contact terminal 28 is protruded to the adjacent surface of the pallet 4 and the cradle 18, the pallet (4) is installed on the cradle 18, it is automatically connected, it is configured to interconnect the LCD 2 and the video signal output means 24 connected to the jack 26. Therefore, while testing the LCD 2 by installing the pallet 4 in the holder 18, it can be tested while driving the LCD (2).

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

First, in a state where the slide panel 14 protrudes out of the main body 6 and the pallet 4 is erected by the stand mechanism, the LCD 2, which is transported by a separate conveyor, is transported by the operator. When the pallet 4 is laid down after connecting to the jack 26 of 4), the slide panel 14 is inserted into the main body 6 through the opening 10, and the pallet 4 is inserted into the main body 6. And the arm mechanism 22 of the LCD transfer means 20 grasps the pallet 4 supplied to the inside of the main body 6, and ascends and raises the pallet 4 so that the pallet 4 is not installed. In the empty holder 18, the pallet 4 is inserted and installed. At this time, the contact terminal 28 of the pallet 4 and the holder 18 is automatically interconnected, and the image signal output from the image signal output means 24 is transmitted to the LCD 2, so that the LCD (in the middle of the test) 2) will be driven. Then, when the LCD transfer means 20 removes the pallet 4 having passed the test time from the holder 18 and places it on the slide panel 14, the slide panel 14 protrudes outward through the opening 10. Thus, the tested pallet 4 can be discharged.

At this time, the slide panel 14 is further provided with a separate contact terminal connected to the video signal output means 24, if the pallet 4 is placed on the slide panel 14, it is provided on the pallet (4) The contact terminals 28 are configured to contact the contact terminals 28 of the slide panel 14. Thus, by transmitting the video signal of the video output signal to the pallet 4 placed on the slide panel 14 to drive the LCD 2 installed on the pallet 4, the state of the LCD 2 before and after the test. It is configured to allow the operator to visually inspect.

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, the main body 6 when the LCD 2 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, since only one worker can replace the work, there is an advantage that can reduce the manpower.

In addition, since the holder 18 is loaded with the LCD 2 lying on its upper surface, there is an advantage that the space can be efficiently used as compared to the conventional aging test apparatus in which the LCD 2 is placed upright.

According to the present invention as described above, the LCD having a holder 18 to be able to mount the LCD (2) inside the main body 6, and the LCD transfer means 20 for transferring the LCD (2), LCD (2) can be replaced one by one, so that the LCD 2 can be easily loaded and unloaded, the space can be utilized efficiently, and a thin-film display aging test apparatus with a new structure that can improve the test efficiency is provided. Can provide.

Claims (2)

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 that can test the durability of the), an opening 10 for inputting or discharging the LCD 2 is formed at one side of the main body 6, and the LCD (in the inside of the main body 6); 2) a plurality of cradle 18 to be arranged, and the inside of the main body 6 is mounted by the transfer mechanism and is provided by the LCD transfer means 20, the LCD transfer means 20 is provided It is configured to transfer the LCD 2 introduced into the opening 10 to be placed on the holder 18 or to take out the LCD 2 disposed on the holder 18 and to discharge it to the opening 10. The test is performed by placing the LCD 2, which is introduced as an input port, in the holder 18, and the LCD 2, which has been tested, is discharged to the opening 10. The LCD aging test wherein so. 2. The LCD (2) according to claim 1, wherein the LCD (2) is mounted on a plate-shaped pallet (4) provided with a jack (26) electrically connected to the LCD (2) and fed into the opening (10) of the body (6). The LCD transfer means 20 is configured to transfer the pallet 4 to the holder 18, and the main body 6 is provided with an image signal output means 24 for outputting an image signal. Adjacent portions of the pallet 4 and the cradle 18 are provided with contact terminals 28 connected to the jack 26 and the video signal output means 24, respectively. When arranged, the contact terminals 28 are electrically connected to each other, and the LCD 2 mounted on the cradle 18 can be driven by transmitting the image signal of the image signal output means 24 to the LCD 2. LCD aging test apparatus, characterized in that.