KR20010028960A - Aging Device for Liquid Crystal Display Element - Google Patents

Abstract

PURPOSE: An aging apparatus for a liquid crystal display device is provided to constantly maintain and exactly examine humidity or temperature of the inside of an aging device by opening/closing a door and a shelf in the manner of slide rail, and to prevent frost or a different thing of the others made at a perspective window by the air flowing to the door through a nozzle unit for inhalation and ventilation that is set up at the upper part and the lower part of the inside of a device. CONSTITUTION: The aging apparatus comprises a case(1), shelves(5) and an air conditioning part(6). The case(1) has an internal space of at least more than one stage that possess predetermined dimensions. In the front or the back side of the internal space opened, the door(2) with a perspective window is established and is opened and shut. The shelves(5) with an element connection terminal unit(4) is established in the inside of the case(1) hold many liquid display elements. The air conditioning part(6) established at the side part of the case(1) possesses a heating and cooling device. The air conditioning part(6) controls humidity or temperature of the inside of the case(1). A support(7) is established at the lower part of the shelves(5). At the upper part of the shelves(5) and the support(7), a plurality of air passing holes are punched. The door(2) is established at the front part of the support(7), and a plurality of idle rollers(8) are established at the same line with a rail of the support(7). Fans(9,10) for inhalation and ventilation are established at the one side of the case(1).

Description

Aging Device for Liquid Crystal Display Element

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an aging device for liquid crystal display devices, and more particularly, to filling in respective devices in a production line of liquid crystal display devices such as Precision Digital Corporation (PCD), Car Navigation System (CNS) and Liquid Crystals Display (LCD). The inlet and exhaust nozzles are installed at the upper and lower sides of the aging device for the purpose of full inspection to determine whether the liquid crystal liquid is hardened above a predetermined temperature (for example, 50 ° C). Each shelf provided integrally is invented to be able to slide open and close along the rail to improve the humidity temperature control characteristics and to increase the convenience of work due to the large size of the product.

Liquid crystal display devices such as PDC, CNS and LCD are widely used as display means in various electronic products such as notebooks, computers, desktop monitors or wall-mounted TVs and monitors.

Such a liquid crystal display device is placed in a semi-finished or finished product state in an aging tooth and tested for weather resistance or durability in order to check whether it operates properly regardless of the surrounding environment or temperature difference according to the use place of various electronic products.

Conventional aging devices developed for this purpose include Korean Laid-Open Patent Publication No. 98-19770, which includes a shelf for mounting a plurality of stages of liquid crystal display elements in a case. Power and signal terminals are provided for distributing power and signals to the liquid crystal display elements to check the actual display operation, and inside the case, heater or air conditioning to artificially set or adjust the internal temperature for aging inspection. The device is installed.

In addition, the upper and lower opening and closing door with a transparent window and a no-opening opening are formed on the front surface of the case, so that the operation state displayed on the liquid crystal display device or the generation of scratches such as dust can be generated without opening or opening the door. It is to be checked with the naked eye.

However, in the conventional liquid crystal display element aging device, the product is enlarged because the transparent door can be opened or closed up or down, or the furnace door. Therefore, the air in the aging device and the air curtain mechanism air and external air are exchanged with each other. As temperature changes in the aging device occur, it is difficult to obtain precise inspection results by maintaining the temperature inside the aging device uniformly, and also due to the large size of the product during the opening and closing of the upper and lower doors and the frequent loading or unloading of the liquid crystal display element. Input and export of the device was difficult.

The present invention has been made in order to solve the conventional problems as described above, it is possible to open and close the door and shelf during the test through the slide rail method to accurately maintain the humidity or temperature inside the aging device, of course The accuracy of the inspection can be ensured, and the convenience of work due to the enlargement of the product can be increased, and the air flows to the door through the intake and exhaust nozzle units installed in the upper and lower parts of the device, so that frost and other foreign substances It is an object of the present invention to provide an aging device for a liquid crystal display device that can prevent the screen from being caught in the viewing window and also increase the reliability of visual inspection through the viewing window.

The object of the present invention is a case having at least one stage or more interior space having a predetermined area, the front or rear of the opening is open, the opening is provided with a see-through window in the open position; A shelf having an element connection terminal unit for applying power and a signal to the liquid crystal display elements to be inspected and installed inside the case to mount a plurality of stages of the liquid crystal display elements; In the construction of the aging device of the liquid crystal display device having a heating and cooling device and installed on one side of the case having an air conditioner or the like to increase or decrease the humidity or temperature inside the case as desired,

At the bottom of the shelves, a supporting plate having rails is provided at both bottoms of the shelves, and at the same time, several air passing holes are drilled on the shelves and the supporting plate to free the flow of air, and the door is fixedly installed at the front of the supporting plate. And a plurality of idle rollers are installed on the same line as the rail of the support plate on the bottom surface of each space in the case, and an intake and exhaust fan is installed on one side of the case to separate the space of the case. Intake and exhaust nozzle units, in which the intake and exhaust nozzle rods are arranged in a comb-shape at predetermined intervals in the inward direction between the upper and lower bulkheads, are installed so that the intake and exhaust nozzle rods alternate with each other. The outside air forcedly sucked by the air is blown to the door through the intake nozzle rod and the inside air This can be achieved by forcibly discharging to the outside by the exhaust fan connected to the exhaust nozzle rod.

Therefore, it is possible to precisely maintain the humidity or temperature inside the aging device to ensure the accuracy of the inspection, to increase the convenience of work due to the enlargement of the product, and through the intake and exhaust nozzle units installed in the upper and lower parts. By allowing air to flow through the door, frost and other foreign matter can be prevented from being caught in the sight glass, and through the sight window, the reliability of visual inspection can be improved.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a front view of the main portion of the present invention.

2 is a side view of the main portion of the present invention cut away.

Figure 3 is a perspective view of the nozzle unit for intake and exhaust in the apparatus of the present invention.

Figure 4 is a perspective view of the main portion of the door and the slide drawer type shelf and rail of the present invention device.

Explanation of symbols on main parts of drawing

1: Case 1a: Inner Space

1b: bulkhead 2: door

3: liquid crystal display device 4: device connection terminal unit

5: shelf 6: air conditioner

7: support plate 8: children roller

9,10: Intake and exhaust fan 11,12: Intake and exhaust nozzle unit

13,14: nozzle rod for intake and exhaust 21: see-through window

51,71: air passage hole 72: rail

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a front view showing the main portion of the cutting device of the present invention, Figure 2 is a side view of the main cutting portion of the device of the present invention, Figure 3 shows a perspective view of the nozzle unit for intake and exhaust of the device of the present invention, Figure 4 The main part extracting perspective view of a door, a slide drawer type shelf, and a rail of this invention is shown.

According to this, at least one stage is provided with an internal space portion 1a having a predetermined area, and the front or rear thereof is open, and the open door 2 having a see-through window 21 is installed to be opened and closed. Square enclosure type case 1; A liquid crystal display device having a device connection terminal unit 4 for applying power and a signal to the liquid crystal display devices 3 to be inspected, and having a predetermined interval in the inner space 1a of the case 1; Shelf (5) for (3) to be mounted in multiple stages; Aging of a liquid crystal display device having a heating and cooling device and an air conditioner 6 or the like installed on one side of the case 1 to increase or decrease the humidity or temperature inside the case 1 as desired. In the apparatus,

At the bottom of the shelves 5, support plates 7 having rails 72 are provided at both bottoms of the shelves 5, respectively, and a plurality of air passage holes are provided on the shelves 5 and the support plates 7 to free the flow of air. 51 and 71, and the door 2 is fixedly installed vertically on the front portion of the support plate 7, and the support plate (at the bottom surface of each inner space portion 1a of the case 1). Several idle rollers 8 are installed on the same line as the rails 72 of 7), and fans (9) and (10) for intake and exhaust are installed at one side of the case (1). Intake and intake formed by arranging several intake and exhaust nozzle rods 13 and 14 in a comb-shape at a predetermined interval in the inward direction between the upper and lower partitions 1b separating the inner space 1a of 1); The exhaust nozzle units 11 and 12 are installed, but the intake and exhaust nozzle rods 13 and 14 are alternately installed on the intake fan 9. The outside air forcibly sucked by the air is blown to the door through the intake nozzle bar 13, and the inside air is forced out to the outside by the exhaust fan 10 connected to the exhaust nozzle bar 14. It is characterized by.

At this time, the intake and exhaust nozzle units 11 and 12 and the intake and exhaust fans 9 and 10 are connected to the outside through a duct not shown, and the intake and exhaust nozzle units 11 are provided. On the intake and exhaust nozzle rods 13 and 14 of (12), several nozzles of sprinkler type were installed so as to face the door 2 at appropriate intervals.

On the other hand, the intake and exhaust nozzle units (11, 12) are not necessarily limited to all installed in the upper and lower partitions (1b) for separating the inner space portion (1a) of the case (1), the flow of air Depending on the installation, it can be installed only at the top or bottom.

Referring to the operation and effect of the device of the present invention configured as described above are as follows.

First, an element connection terminal unit for applying a power and a signal to the liquid crystal display elements 3 to be inspected in the case 1 having the internal space portion 1a having a predetermined area having at least one stage ( A plurality of shelves 5 having 4) may be installed to mount a plurality of stages of the liquid crystal display devices 3.

At this time, the bottom of the shelf (5) is provided with a support plate (7) provided with rails 72 at both bottoms, respectively, several air passage holes (51) (71) on the shelf (5) and the support plate (7) Perforate).

Therefore, it is forcibly sucked through the intake fan 9 to be described later, including cold air or warm air, which comes from the air conditioner 6 provided with a heating and cooling device and installed at one side of the case 1. Due to the operation of the external air blowing through the intake nozzle bar 13 and the exhaust fan 10, the air flows smoothly when the internal air is to be discharged to the outside through the exhaust nozzle bar 14. .

In addition, a plurality of idle rollers 8 are installed on the bottom line of each inner space portion 1a of the case 1 on the same line as the rail 72 of the support plate 7, and the see-through window 21 is mounted. The doors 2 provided are fixed to the front part of each support plate 7 so that the doors 2 and the support plate may be used when the plurality of liquid crystal display elements 3 are subjected to full inspection. 7), including the shelf (5) can be opened and closed the liquid crystal display device (3) mounted on each shelf (5) through a slide rail method to increase the convenience of work due to the enlargement of the product.

On the other hand, in the apparatus of the present invention, the inlet and exhaust fans 9 and 10 are respectively provided at one side of the case 1, and the upper and lower partitions 1b for dividing the inner space 1a of the case 1 are provided. Intake and exhaust nozzle units (13) and (14) are arranged in a comb-shape at a predetermined interval in the inward direction between the intake directions. And the exhaust nozzle rods 13 and 14 are alternately installed so that external air forcibly sucked by the intake fan 9 is blown to the door through the intake nozzle rod 13 and the internal air is By forcibly discharging to the outside by the exhaust fan 10 connected to the exhaust nozzle rod 14, it is possible to block the inflow of outside air or moisture into the internal space (1a) of the aging device when opening and closing the door (2) The temperature and humidity change inside the aging device can be precisely maintained. You can of course keep constant the other environment there will be talk that the accuracy of the test.

In addition, since the outside air sucked through the intake fan 9 and the intake nozzle rod 13 continues to flow to the door 2 side, frost on the see-through window 21 due to the temperature difference inside and outside the device is caused. Of course, the foreign matter can be prevented from being attached, as well as the viewing window 21 itself is always maintained in a clean and transparent state to increase the reliability of visual inspection through the viewing window 21.

On the other hand, it has been described so far that the intake and exhaust nozzle units (11, 12) are installed in both the upper and lower partitions (1b) that separates the inner space portion (1a) of the case (1), which is a necessary condition It may be installed only at the top or bottom, depending on the flow of air and the size of the internal space.

As described above, according to the present invention, the door, the shelf, and the support plate can be opened and closed during the test through the slide rail method, thereby increasing the convenience of work due to the enlargement of the product, and the intake and Through the exhaust nozzle unit, air can flow to the door side, so that the humidity and temperature inside the aging device can be maintained precisely, as well as the accuracy of the inspection, and that frost or other foreign substances can get caught in the sight glass of the door. It is possible to prevent the visual inspection to increase the reliability of visual inspection.

Claims (2)

Square box type having at least one step and having an inner space portion 1a having a predetermined area, and having a front or rear surface thereof open, and a door 2 having a see-through window 21 opened therein. A case 1; A liquid crystal display device having a device connection terminal unit 4 for applying power and a signal to the liquid crystal display devices 3 to be inspected, and having a predetermined interval in the inner space 1a of the case 1; Shelf (5) for (3) to be mounted in multiple stages; Aging of a liquid crystal display device having a heating and cooling device and an air conditioner 6 or the like installed on one side of the case 1 to increase or decrease the humidity or temperature inside the case 1 as desired. In the apparatus, At the bottom of the shelves 5, support plates 7 having rails 72 are provided at both bottoms of the shelves 5, respectively, and a plurality of air passage holes are provided on the shelves 5 and the support plates 7 to free the flow of air. 51 and 71, and the door 2 is fixedly installed vertically on the front portion of the support plate 7, and the support plate (at the bottom surface of each inner space portion 1a of the case 1). Several idle rollers 8 are installed on the same line as the rails 72 of 7), and fans (9) and (10) for intake and exhaust are installed at one side of the case (1). A plurality of intake and exhaust nozzle rods 13 and 14 are arranged in a comb-tooth shape at a predetermined interval in any one of the upper and lower partitions 1b separating the inner space 1a of 1). Install the intake and exhaust nozzle units (11) and (12), and the intake and exhaust nozzle rods (13) and (14) are installed so as to cross each other. The outside air forcibly sucked by the intake fan 9 is blown to the door side through the intake nozzle rod 13, and the inside air is exhausted to the exhaust fan 10 connected to the exhaust nozzle rod 14. An aging apparatus for a liquid crystal display device, characterized in that forced to be discharged to the outside by. The liquid crystal display according to claim 1, wherein the intake and exhaust nozzle units (11, 12) are provided between the upper and lower partitions (1b) that separate the inner space (1a) of the case (1). Aging device of the device.