WO2007014493A1

WO2007014493A1 - Aging room used for the last assembling process of lcd panel modules

Info

Publication number: WO2007014493A1
Application number: PCT/CN2005/001188
Authority: WO
Inventors: Fujen Hsiao
Original assignee: Fujen Hsiao
Priority date: 2005-08-04
Filing date: 2005-08-04
Publication date: 2007-02-08
Also published as: CN100555029C; CN101238406A

Abstract

An aging room used for the last assembling process of LCD panel modules includes a primary test area, a heating area, a constant temperature area, a cooling area, a full test area and a trolley cycle area. It also includes a loading track, a heating track, an aging test track, a cooling track, a full test track and a trolley cycle track that lies in each said area correspondingly. In correspondence with the sizes of LCD panels, various inlets are disposed in the outward wall of the primary test area; various trolleys used for carring LCD panels are provided on the tracks; various aging test tracks that have different lengths according to the aging times necessary for each size of LCD panels are provided in the constant temperature area; and various outlets are provided. Accordingly, the aging room could test various sizes of LCD panels in the same time, thus reduces the wait time for aging test and increase the efficiency. Furthermore, the trolleys are used circularly in the aging room such that the energy loss is reduced.

Description

Rear mold section aging chamber for liquid crystal display

The present invention relates to an aging room, and more particularly to a rear dies aging chamber for a liquid crystal display. Background technique

The aging test (Aging) of the liquid crystal display is to input the inspection signal (Pattern) in the high temperature environment, and the liquid crystal display (LCDPanel) is energized in a high temperature environment to detect the display condition of the liquid crystal panel. In this state, the shortcomings of the liquid crystal panel can be detected, the defect points can be detected early, the processing can be performed early, the product can be more stable, and the product quality stability can be improved; at the same time, after the aging test of the liquid crystal display panel, the transistor can be stabilized; In the process of the liquid crystal factory, part of the test items of the liquid crystal lighting machine are also directly tested on the aging test machine.

The prior art aging test (Aging) is to establish a closed aging chamber, put the liquid crystal display panel into the trolley and push it into the aging chamber, then warm it up from room temperature to 50 degrees Celsius (usually liquid crystal display). The temperature required for screen aging), maintain a high temperature environment for a certain period of time (for example, set for 4 hours), perform detection after the set time, and then remove the liquid crystal display after cooling down. The aging chamber of this structure allows the finished product of the liquid crystal display from the production line to be queued for aging testing. The test efficiency is relatively low, and because the test requires a certain temperature, it must be tested in the aging room. After the temperature is lowered, the aging room is opened to take out the display screen, so the energy consumption is extremely high. Summary of the invention

The object of the present invention is to overcome the defects of the above-mentioned prior art closed type aging chamber, to provide a constant high temperature environment required for maintaining the aging test at all times, to replace different sizes, or to perform aging tests on different aged liquid crystal displays, without Destroying a constant high temperature environment, the aging test is convenient and efficient for the aging chamber of the rear mold section of the liquid crystal display.

In order to achieve the above object, the technical solution adopted by the present invention is:

It comprises: an outer wall, an outer cover, an aging chamber composed of an outer wall and an outer cover;

Located in the initial inspection area of the aging room, the heating zone, the aging constant temperature zone, the cooling zone and the full inspection zone; the display inlets of different sizes corresponding to the different size display screens on the outer wall of the initial inspection zone; located in the initial inspection zone and the temperature rise zone a partition wall with an inlet for the warming zone; a first thermal insulation wall with a constant temperature zone inlet between the heating zone and the aging constant temperature zone;

a second thermal insulation wall between the aging constant temperature zone and the cooling zone with different size display screens corresponding to different size display screens, and the second thermal insulation wall and the first thermal insulation wall are connected by a thermal insulation wall to make the aging constant temperature zone Surrounded by thermal insulation walls;

The third thermal insulation wall is located between the cooling zone and the full inspection zone with the cooling zone exit, and the third thermal insulation wall and the second thermal insulation wall are connected by the thermal insulation wall, so that the surrounding area of the cooling zone is a thermal insulation wall;

a purchase track located in the initial inspection area;

a heating track located in the temperature rising zone connected to the incoming rail through the inlet of the warming zone;

An 'aging inspection track connected to the temperature rising track through the inlet of the constant temperature zone having different lengths in the aging constant temperature zone;

Cooling track connected to the aging inspection track through different size display outlets in the cooling zone 5

a full inspection track located in the whole inspection area connected to the cooling track through the exit of the cooling zone;

Display trolleys for different sizes of displays located on the track and capable of traveling on the track; temperature regulation systems located in each zone.

As described above, the structure of the aging chamber of the present invention, the finished products of different sizes of liquid crystal display products from the production line enter the initial inspection area through the inlets of different sizes of display screens, and the corresponding display screens that have passed the initial inspection are placed on the purchase rails. The size of the display trolley. For example, the 14-inch display is placed on the 14-inch display trolley; the 19-inch display is placed on the corresponding 19-inch display trolley; the 24-inch display is placed in the corresponding The 24-inch display trolley. The display screens of different sizes are loaded with the corresponding size display screens from the incoming rails through the temperature rise zone inlet into the heating zone, driving on the heating track. The temperature in the temperature rise zone rises from the room temperature at the inlet of the warming zone (eg 23°) to the temperature required for the aging test at the inlet of the constant temperature zone (eg 50°). The display trolley enters the aging constant temperature zone through the inlet of the constant temperature zone and travels on the aging inspection track of different lengths corresponding to different size display screens. Because the aging time required for different sizes of displays is different. For example, for a 14-inch display, the aging time may take 4 hours; for a 19-inch display, the aging time may take 6 hours; for a 24-inch display, the aging time may take 8 hours. Therefore, if the driving speed of the display trolley carrying the different size display screens is the same, the aging inspection track corresponding to the display trolley that needs a long aging time is long, corresponding to the display panel requiring a shorter aging time. The aging inspection track for the car is short. The temperature in the aging constant temperature zone is controlled by a temperature regulation system at a constant temperature (e.g., 50 ° C) required for aging. Different sizes of display trolleys carrying different 2-inch displays pass the corresponding aging time The inspection track is driven by the display screen of the corresponding display size into the cooling zone to run on the cooling track. The temperature in the cooling zone is reduced from the temperature required for aging at the exit of the display (eg 50 ° C) to the room temperature at the exit of the cooling zone (eg 23 ° C). After the display trolley passes the cooling on the cooling track, the exit of the cooling zone enters the full inspection track in the full inspection area. Here, the quality of the display screen is fully tested, and qualified display products are delivered from the qualified product outlet. Unqualified products are sent out by non-conforming products. The empty display shows the trolley and returns to the incoming track.

The aging chamber of the present invention having the above structure has significant benefits.

• The aging chamber of the present invention corresponds to different sizes of display screens imported from different sizes of display screens, including different size display screens corresponding to different size display screens. In the aging constant temperature zone, there are different lengths of aging inspection tracks corresponding to different aging times, corresponding to the display outlets of different sized display screens of different lengths of aging inspection tracks. Therefore, the aging chamber of the invention can perform the aging test on the display screens of different sizes at the same time, and overcomes the defect that the aging aging chamber of the prior art can only perform the aging test of one size display at a time, and shortens the aging waiting time. , improve the efficiency of the aging test.

• The aging constant temperature zone and the cooling zone of the aging chamber of the present invention are surrounded by a heat insulating wall, and the display trolley is circulated in the aging room so that the heat in the aging room is not lost. As a result, energy consumption is reduced and energy is saved compared to prior art aging chambers.

• The aging chamber of the present invention has a reasonable layout as described above. An aging chamber of the present invention can be used in place of several prior art closed aging chambers, which saves the cost of the aging test and is simple and convenient to operate. DRAWINGS

Fig. 1 is a schematic view showing the division of the aging chamber of the present invention into divisions.

2 is a schematic view showing the distribution of the track of the aging indoor display trolley of the present invention.

Fig. 3 is a schematic view showing the direction of operation of the aging indoor display trolley of the present invention.

4 is a schematic illustration of one embodiment of an aging chamber temperature regulation system of the present invention. detailed description

The structure of the aging chamber of the present invention will be further described below with reference to the accompanying drawings.

1, 2, and 3 are schematic views of the structure of the aging chamber of the present invention.

As shown in Fig. 1, the aging chamber of the present invention is composed of an outer wall 17 and an outer cover. The aging room includes a preliminary zone, a temperature rising zone, an aging constant temperature zone, a cooling zone and a full inspection zone which are sequentially divided. On the outer wall of the initial inspection area, there are different sizes of display inlets corresponding to different size display screens. In this embodiment, three different sizes of display inlets 1, 2, 3 are provided.

Located between the initial inspection area and the heating zone, there is a partition 1701 with a heating zone inlet 5;

Located between the heating zone and the aging constant temperature zone, there is a first thermal insulation wall 1801 with a constant temperature zone inlet 6;

There is a second insulating wall 1802 between the aging constant temperature zone and the cooling zone. A heat insulating wall 1805 and 1807 are connected between the first heat insulating wall 1801 and the second heat insulating wall 1802 to surround the aging constant temperature zone. In this embodiment, the second thermal insulation wall 1802 located between the aging constant temperature zone and the cooling zone has three different size display S screen outlets 10, 9 corresponding to the three different size display screen inlets 1, 2, 3 , 8. There is also an experimental outlet 7, which is used for commissioning and aging room equipment commissioning.

A third thermal insulation wall 1803 with a constant temperature outlet 11 is located between the cooling zone and the full inspection zone. A third insulating wall 1803 and a second insulating wall 1802 have a heat insulating wall 1804 and 1806 connected to surround the cooling zone.

On the outer wall 17 of the whole inspection area, there are qualified product outlets 13, 14 and a total inspection non-conforming product outlet 12 . In the present embodiment, two qualified product outlets 13, 14 are provided. In the whole inspection area, the display screen after the aging test is tested for total quality, and the qualified display screen is sent out by the qualified products outlets 13 and 14; the unqualified display screen is tested by the unqualified products. Send it out.

On the outer wall 17 of the initial inspection area, there is also a first inspection non-conforming product exit 4, which is sent to the display screen of the first inspection area by different size display screens 1, 2, 3 for preliminary inspection (usually by visual inspection) Detecting), the display screen that passed the initial inspection is placed on the display trolley corresponding to the size of the display screen; The display screen that failed the initial inspection is sent out of the aging room from the exit 4 of the initial inspection defective product.

The aging chamber of the present invention further includes a trolley circulation area connected to the space between the initial inspection area and the full inspection area. There is a circulation area inlet 15 on the next door of the whole inspection area and the trolley circulation area; there is a circulation area exit 16 on the next side of the initial inspection area and the trolley circulation area.

In this embodiment, the heating zone inlet 5, the aging constant temperature inlet 6, the three different sizes of the display enthalpy outlets 8, 9, 10, the experimental outlet 7, the cooling zone outlet 11, the circulation zone inlet 15 and the circulation zone outlet 16 are all adopted. Automatic door that is automatically closed.

In this embodiment, the outer wall 17 and the partition wall 1701 are both constructed by walls of a general house building. The heat insulating walls 1801, 1802, 1803, 1804, 1805, 1806, and 1807 are all made of an insulating material.

2 is a schematic view showing the distribution of the track of the indoor display trolley of the present invention. as shown in picture 2. The track of the display trolley includes: a feeding track 19 located in the initial inspection zone; a temperature rising track 20 connected to the incoming rail 19 by the rising zone 50 in the warming zone; The same length of the aging inspection track 22, 23, 24 connected through the constant temperature zone inlet 6 and the heating track; In this embodiment, three different sizes of display inlets 1, 2, 3, three different lengths of aging The time requirement, therefore, three different lengths of aging inspection tracks 22, 23, 24 correspond to three different sized display outlets 10, 9, 8.

a cooling track 25 connected to the aging inspection track through the different size display outlets 10, 9, 8 in the cooling zone; a full inspection track 26 connected to the cooling track 25 through the cooling zone exit 11 in the full inspection zone; A circulation track 27 located in the cycle area of the trolley. The trolley cycle track 27 is connected to the full inspection track 26 through the circulation zone inlet 15 and is connected to the incoming rail 19 via the circulation zone outlet 16.

There is a reliability test track 21 connected between the inlet 6 of the aging constant temperature zone and the experimental exit 7, which is used to debug and test the track of the display trolley.

Fig. 3 is a schematic view showing the direction in which the aging indoor display trolley of the present invention runs on the track. As shown in Fig. 3, corresponding to three different size display inlets 1, 2, 3, there are three display trolleys 28 carrying different size displays on the incoming track 19 built in the initial inspection area. The screens that have passed the initial inspection are placed on the display trolley 28 of the corresponding size. The display trolley 28 carries the display screen that needs to be subjected to the aging test. The inlet rail enters the heating rail in the heating zone through the inlet of the heating zone, and the temperature gradually rises from room temperature (such as 23 °C) to the temperature required for the aging test (such as 50°C); The display trolley 28 enters the aging constant temperature zone through the aging constant temperature zone inlet, and the three display trolleys 28 pass the aging test of the corresponding length according to the aging time corresponding to the display screen corresponding to the corresponding size. Track; the display trolley 28 after aging inspection enters the cooling track in the cooling zone from the display outlet on the corresponding aging inspection track; the temperature in the cooling zone gradually becomes the temperature required for aging at the exit of the display (eg 50 V) Gradually drop to room temperature (eg 23 °C) at the exit of the cooling zone. The display trolley 28 passes through the cooling zone exit to the full inspection track in the full inspection zone. Here, the quality of the display screen is thoroughly checked, and the qualified display products are sent out from the qualified product outlet; the unqualified display products are sent out from the unqualified products. The unloaded display trolley 28 enters the cycle track of the trolley in the cycle area of the trolley from the circulation zone and returns to the incoming rail in the initial inspection area through the exit of the circulation zone for the aging test of the next batch of display screens. .

4 is a schematic view of one embodiment of an aging indoor temperature adjustment system of the present invention. As shown in FIG. 4, in the present embodiment, the temperature adjustment system is placed between the chamber top 301 and the outer cover 302. The temperature regulation system on the initial inspection zone is a dry coil 31 and a fan filter set 32 placed on the chamber 301, primarily to maintain air drying and cleaning in the initial inspection zone. The temperature regulation system disposed on the ceiling 301 of the heating zone, the aging constant temperature zone, the cooling zone and the full inspection zone includes an air conditioning box 33, and a supply duct 36 connected to the air conditioning box 33, A damper 35 that adjusts the blowing speed of the air supply duct 36 and a screen 34 that is placed at the outlet of the air supply duct 36 are provided. In order to maintain a certain temperature and air dryness and cleanliness in the cycle area of the trolley, a temperature regulation system is usually installed in the roof 301 of the cycle area of the trolley.

Claims

Rights request

A aging chamber for a liquid crystal display panel, comprising: an outer wall, an outer cover, an aging chamber composed of an outer wall and an outer cover, and an aging constant temperature zone located in the aging chamber, comprising:

Located in the initial inspection area, the temperature rising zone, the cooling zone and the full inspection zone in the aging room, the aging constant temperature zone is located between the temperature rising zone and the cooling zone;

The display screens of different sizes corresponding to the screens of different sizes on the outer wall of the first inspection area; the partitions with the inlets of the temperature rising zone between the initial inspection area and the heating zone;

a first thermal insulation wall with a constant temperature zone inlet between the heating zone and the aging constant temperature zone;

a purchase track located in the initial inspection area;

a temperature rising track connected to the incoming rail through the inlet of the warming zone in the temperature rising zone; an aging inspection track having different lengths connected through the inlet of the constant temperature zone and the heating track in the aging constant temperature zone;

a cooling track connected to the aging inspection track through a different size display outlet in the cooling zone;

A display trolley that is located on the track and that can travel on the track and that corresponds to a different size display; a temperature regulation system located in each zone.

2. The post-module aging chamber for a liquid crystal display according to claim 1, further comprising a trolley circulation area connected to a space between the initial inspection area and the full inspection area; the trolley circulation area There is a circulation area entrance on the partition wall between the whole inspection area, and a circulation area exit on the partition wall between the trolley circulation area and the initial inspection area; there is a trolley circulation track in the trolley circulation area, and the cycle track of the trolley passes through the circulation. The area import is connected with the full inspection track in the whole inspection area, and the trolley circulation track is connected to the purchase track in the initial inspection area through the exit of the circulation area.

3. The post-module aging chamber for a liquid crystal display according to claim 1, wherein the second insulating wall between the aging constant temperature zone and the cooling zone further has an experimental outlet and a connection. There is a reliability experimental track for the inlet and experimental outlets in the aging constant temperature zone.

4. The post-module aging chamber for a liquid crystal display according to claim 1, wherein the temperature adjustment system is disposed between the outer cover of the aging chamber and the roof of the chamber.

5. The rear mold section aging chamber for a liquid crystal display according to claim 1, wherein the outer wall of the full inspection area has a quality product outlet and a full inspection defective product outlet.

6. The post-module aging chamber for a liquid crystal display according to claim 1, wherein the outer wall of the initial inspection area is provided with an initial inspection reject. ·