TW201321777A - Array test apparatus having a plurality of head units - Google Patents

Abstract

The present invention provides an array test apparatus having a plurality of head units wherein a plurality of head units are installed in the array test apparatus such that one head unit inspects a specific glass model and another head unit exchanges a probe card for inspection of another LCD glass having a different pattern pitch, making it possible to reduce a standby time of the apparatus due to the exchange of the probe card.

Description

Display detecting device with complex detecting head

The invention relates to an exhibition detecting device, in particular to an exhibition detecting device with a plurality of detecting heads, wherein the plurality of detecting heads are arranged in the display detecting device, and in the production of the light emitting diode products, a probe card contacts the liquid crystal display When one of the glass plates is patterned, a detecting step is performed. Therefore, when one detecting head detects a specific liquid crystal display glass plate, the other detecting head can replace the probe card to detect another liquid crystal display glass having a different pattern gap. board.

As is well known in the industry, flat panel displays include liquid crystal displays, plasma displays, and field emission displays.

In order to manufacture such a flat panel display, it is necessary to perform a substrate manufacturing step, an upper substrate manufacturing step, and a lower substrate and upper substrate bonding step.

In detail, a plurality of liquid crystal cells are formed on a glass circular plate for making a lower substrate, a plurality of horizontal lines and vertical lines are intersected and formed in each liquid crystal cell to form a matrix, and a plurality of pixel units are respectively formed A horizontal line and a vertical line intersection, wherein each pixel unit includes a transparent pixel electrode.

a thin film transistor connected to the horizontal line, the vertical line, and the transparent pixel electrode in each pixel unit; after performing a detecting step, the plurality of liquid crystal cells formed on the glass circular plate are cut by the scribe line, thus each A liquid crystal cell is cut away from the glass disk, that is, the lower substrate is bonded to an upper substrate when the upper substrate is manufactured, and a driving circuit for driving the pixel unit and other components is combined at this time. And completing a flat panel display; and in the process of manufacturing the flat panel display, detecting a plurality of liquid crystal cells formed on the glass circular plate, applying a test signal to a circuit pattern by using a probe device, and detecting the circuit a state.

The first drawing A and the first drawing B are a plan view and a front view showing a conventional detecting fixture device for detecting a flat panel display.

The detecting fixture device comprises probe adjusting blocks 1 and 2, a probe block mounting plate 3, a bottom plate 4, a fixing table 5, and a camera 6 for aligning one of the probe cards 7 and a glass pattern. And this probe card 7.

To perform a flat panel display detection step, one or more probe cards 7 relative to the glass type are mounted on the probe block mounting plate 3 for detection. That is to say, when driven forward, backward, leftward, rightward, upward and downward, the fixing table 5 to which a glass is fixed touches the probe card 7 for detection.

However, the conventional flat panel display detecting device described above has to replace the probe card 7 when detecting different pattern gaps of different glass models, and the test operation cannot be continued when the probe card 7 is replaced, thereby greatly reducing the operation time of the device. And a plurality of different probe cards 7 must be installed to solve the above problem.

In addition, the fixed table 5 is moved in such a manner that additional space is required for the fixed table 5 to move, thereby increasing the volume of the detecting device, and this volume is increased, and the size of the glass is often increased, thereby limiting its application.

Therefore, the main object of the present invention is to provide an exhibition detecting device with a plurality of detecting heads, wherein the plurality of detecting heads are disposed on the display detecting device, and in the production of the light emitting diode products, a specific liquid crystal is detected at a detecting head. When the glass plate is displayed, the other detecting head can replace the probe card to detect another liquid crystal display glass plate having a different pattern gap, thereby reducing the standby time of the detecting device for replacing the probe card.

In order to achieve the above object, the present invention provides a display detecting device with a plurality of detecting heads, wherein the display detecting device with a plurality of detecting heads comprises a bottom plate having a detecting area at a central portion thereof for making a flat display glass The detection zone is detected, and a plurality of standby zones are disposed on opposite sides of the detection zone; a mobile platform is mounted on the detection zone of the bottom plate for positioning a specific display glass thereon; at least two detection heads are mounted on The bottom plate, each of the detecting heads is provided with a plurality of probe cards for detecting characteristics of a circuit pattern of the display glass by electrical contact; a first linear motor for feeding the mobile platform forward and And a second linear motor for feeding the plurality of detecting heads to the left and to the right.

According to the present invention, when various types of flat display glass are detected by a single display detecting device, one of the plurality of detecting heads detects a specific glass type, and the other detecting head can replace a probe card to detect another A glass model with different pattern gaps, the standby time of the detecting device due to the replacement of the needle card group can be greatly shortened, thereby enhancing the system operating efficiency.

For a detailed description of the structure, features, and advantages of the present invention, a preferred embodiment will be described with reference to the following drawings, and the brief description of each figure is as follows:

The second drawing is a perspective view of a display detecting device with a plurality of detecting heads according to a preferred embodiment of the present invention. The third drawing is a front view of a display detecting device with a plurality of detecting heads according to a preferred embodiment of the present invention. The fourth drawing is a plan view of a display detecting device with a plurality of detecting heads according to a preferred embodiment of the present invention. The fifth drawing is a perspective view of a preferred embodiment of the present invention, showing a mobile platform of the display detecting device with a plurality of detecting heads. Figure 6 is a perspective view of a preferred embodiment of the present invention showing a structure of a detecting head of the display detecting device having a plurality of detecting heads. Figure 7 is a perspective view of a preferred embodiment of the present invention showing the structure of a replacement kit for the display detecting device having a plurality of detecting heads.

First, the display detecting device with a plurality of detecting heads of the present invention is characterized in that the plurality of detecting heads 50 are mounted on the display detecting device, so that the display detecting device can measure a specific flat display glass 100 by using a detecting head 50, and replace it. After a probe card 60, another flat display glass 100 having a different pattern gap can be measured by another detecting head 50.

Therefore, in the display detecting device of the present invention, a moving platform 30 and a pair of detecting heads 50 are mounted on a bottom plate 10 having a specific structure, thereby enabling a first linear motor 20 and a The second linear motor 40 is moved up, down, left, right, forward and backward.

The bottom plate 10 is substantially T-shaped and has a detection area A at a central portion thereof for detecting a flat display glass 100 in the detection area A, and a plurality of standby areas B are disposed on opposite sides of the detection area A. .

The mobile platform 30 is configured to mount the flat display glass 100 for performing a detection, and is disposed in the detection area A of the bottom plate 10, and the first linear motor 20 for feeding the mobile platform 30 to advance and retreat is mounted on the movement. Below the platform 30.

The mobile platform 30 is designed to position a corresponding flat display glass 100 thereon for inspection. Therefore, the mobile platform 30 has a substantially rectangular flat body 38 and includes a plurality of lifting pins 32 for positioning the flat display glass 100 thereon and maintaining a distance, and a plurality of pre-alignment devices 34 are aligned. The corresponding flat panel displays the position of the glass 100, and a collet 36 is mounted on a central portion of the body 38 for selectively rotating the corresponding flat panel display glass 100 when performing a blowing function.

The second linear motor 40 for feeding the detection head 50 to the left and to the right is mounted on the end of the bottom plate 10 so that the detecting head 50 can be selectively displaced by the second linear motor 40 to the bottom plate. 10 between the detection area A and the standby area B.

A plurality of probe cards 60 for detecting the characteristics of the circuit patterns positioned on the corresponding flat display glass 100 on the mobile platform 30 by electrical contact are mounted on the detecting head 50. In the present embodiment, a pair of detecting heads 50 are provided on the bottom plate 10.

The test head 50 is further described in detail. The test head 50 includes a bracket 52 having a specific shape, mounted to the second linear motor 40, and a probe card set. The probe card set includes a plurality of probe cards 60 for detecting the characteristics of the circuit pattern when electrically contacting the circuit pattern on the flat panel display 100, and a plurality of cameras 54 for capturing the plurality of probe cards 60. Pin and measurement area. These probe cards 60 and camera 54 are mounted on a bracket 52.

In addition, a plurality of drive motors 56a, 56b, 56c, 56d, 56e are configured to apply a predetermined driving force to move the plurality of probe cards 60 up and down and to move the plurality of cameras 54 up and down , leftward and rightward, are provided on the bracket 52. At the same time, the replacement component 70 is configured to selectively support and maintain the probe card set for detection relative to the glass model of the particular flat panel display, and is respectively mounted to the plurality of standby zones B of the backplane 10.

That is, in order to support the probe card set with a plurality of probe cards 60 for detecting the manual movement of one of the glass of the flat panel display and the alignment of the positive probe card 60 in the X, Y, Z, Ry and Rz directions. The platform 30 is provided with a rack 72 on the replacement assembly 70. The shelf 72 can be moved back and forth along a slide rail 74 and can be selectively positioned below the detection head 50 when being fed by a cylinder 76.

Next, the operation of the present invention will be described in detail below. When performing a detecting operation by the display detecting device of the present invention with a plurality of detecting heads, first, when the moving platform 30 is at a loading position, the lifting pins 32 are raised. Then, after the corresponding flat display glass 100 to be detected by a specific loading device is positioned at the upper end of the lifting pin 32, the lifting pin 32 is lowered, so that the corresponding flat display glass 100 is positioned on one surface of the body 38.

After the corresponding flat display glass 100 to be detected is positioned on the mobile platform 30, the mobile platform 30 is displaced by the first linear motor 20 to the detection area A of the bottom plate 10. Thus, on one of the detecting heads 50, one of the probe card sets of the glass 100 is fed to the mobile platform 30 and contacts the flat display glass 100, and in order to contact one of the measuring points of the flat glass 100, The detecting head 50 is fed to the left and right by the second linear motor 40, and the flat display glass 100 and the moving platform 30 are displaced forward and backward by the first linear motor 20.

That is, the position of one of the flat display glass 100 is determined by a pre-alignment device 34 provided on the mobile platform 30, and the one-position mark is confirmed by a camera 54 provided on the detecting head 50, so the tablet The display glass 100 can be placed on the left side, the right side, the front side, and the rear side.

The flat panel display glass 100 is rotated by -90, 90 and 180 by the blowing function of the chuck 36 provided at a central portion of the moving platform 30 and the moving platform 30. Meanwhile, when the specific flat display glass 100 is detected by the probe card set provided on the detecting head 50 of the detecting area A of the bottom plate 10, another detecting head 50 located in the standby area B can be selectively replaced with the probe card. A set for detecting another flat display glass 100 having a different pattern gap.

That is to say, when a detecting head 50 performs a detecting operation in the detecting area A, another detecting head 50 in the standby area B can replace the flat display glass 100 of a specific model provided by the replacing component 70, and replace one. Corresponding probe card set.

To this end, the rack 72 of the replacement assembly 70 can be moved back and forth along a slide rail 74 by hand operation, and can be exchanged when driven by a cylinder 76 to feed up and down. That is, one of the empty racks 72 on the replacement unit 70 is placed under the other detecting head 50 of the standby area B, and the probe card set of the detecting head is placed behind the rack 72, and the rack 72 is placed. It was pushed in. Therefore, the probe card set of the glass model to be exchanged with respect to the upward and downward feed and manual operation by the cylinder 76 can be replaced after being positioned under the detecting head 50. It can be replaced, for example, by a joint bolt fixing operation.

Therefore, in the display detecting device of the present invention having a plurality of detecting heads, since a specific glass type can be detected by a detecting head 50, and the probe card 60 of another glass type having a different pattern gap can be borrowed from another test The head 50 is replaced, and the standby time of the detecting device caused by the replacement of the probe card group can be greatly shortened, so that the system operation efficiency can be enhanced.

In summary, the detailed description and illustration of the preferred embodiment of the present invention are included in the scope of the present invention, and any familiarity with the spirit of the present invention. In the field of this creation, the artist can easily think of changes or modifications that can be covered in the patent scope of this case.

1. . . Probe adjustment block

2. . . Probe adjustment block

3. . . Probe block mounting plate

4. . . Bottom plate

5. . . Fixed plate

6. . . camera

7. . . Probe card

10. . . Bottom plate

20. . . First linear motor

30. . . mobile platform

32. . . Lifting pin

34. . . Pre-alignment device

36. . . Chuck

38. . . Ontology

40. . . Second linear motor

50. . . Detection head

52. . . bracket

54. . . camera

56a, 56b, 56c. . . Drive motor

56d, 56e. . . Drive motor

60. . . Probe card

70. . . Replacement component

72. . . Shelf

74. . . Slide rail

76. . . Pressure cylinder

100. . . Flat display glass

A. . . Detection area

B. . . Standby area

The first figure A is a schematic plan view of a conventional detection fixture device.

The first figure B is a front view of one of the conventional detection fixture devices.

The second figure is a perspective view of the display detecting device with a plurality of detecting heads of the present invention.

The third figure is a front view of the display detecting device with the complex detecting head of the present invention.

The fourth figure is a plan view of the display detecting device with the plurality of detecting heads of the present invention.

Figure 5 is a perspective view of a preferred embodiment of the present invention.

Figure 6 is a perspective view of a preferred embodiment of the present invention.

Figure 7 is a perspective view of a preferred embodiment of the present invention.

10. . . Bottom plate

20. . . First linear motor

30. . . mobile platform

40. . . Second linear motor

50. . . Detection head

60. . . Probe card

70. . . Replacement component

100. . . Flat display glass

A. . . Detection area

B. . . Standby area

Claims (4)

An exhibition detecting device with a plurality of detecting heads comprises: a bottom plate having a detecting area at a central portion thereof for detecting a flat display glass in the detecting area, and a plurality of standby areas being disposed in the detecting area a movable platform mounted on the detection area of the bottom plate for positioning a specific display glass thereon; at least two detection heads are mounted on the bottom plate, and each of the detection heads is provided with a probe card set, the probe The card set has a plurality of probe cards for detecting a characteristic of a circuit pattern of the display glass by electrical contact; a first linear motor for feeding the mobile platform forward and backward; and a first A two-linear motor for feeding the plurality of detecting heads to the left and to the right. The display detecting device with a plurality of detecting heads according to claim 1, wherein each standby area of the bottom plate is provided with a replacement component for selectively supporting and holding a pair of probe card sets of a specific glass type, and The replacement assembly is provided with a rack for the probe card set of the detecting head, and the replacement assembly is configured such that the rack can be moved back and forth along a slide rail and can be moved up and down by a pressure cylinder. The display detecting device with a plurality of detecting heads according to claim 1, wherein each of the detecting heads comprises: a bracket disposed on the second linear motor to enable the detecting head to be moved to the left and to the right; a probe card for detecting characteristics of a circuit pattern formed on the display glass by electrical contact; a plurality of cameras for photographing a plurality of pins and measurement areas of the probe card; and a plurality of drive motors, Moves the probe card up and down and moves the camera up, down, left, and right. The display detecting device with a plurality of detecting heads according to claim 1, wherein the moving platform has a substantially rectangular flat body for positioning the flat display glass, and the moving platform includes a plurality of lifting pins for Positioning the flat display glass on an upper surface of the mobile platform, a plurality of pre-alignment devices for determining a position of the corresponding flat display glass, and a chuck mounted on a central portion of the body for performing one When the air blowing function is performed, the corresponding flat display glass is selectively rotated.