WO2021249126A1

WO2021249126A1 - Display panel testing apparatus and display panel testing box

Info

Publication number: WO2021249126A1
Application number: PCT/CN2021/094171
Authority: WO
Inventors: 祝诗扬
Original assignee: 华为技术有限公司
Priority date: 2020-06-09
Filing date: 2021-05-17
Publication date: 2021-12-16
Also published as: CN113851065B; CN113851065A

Abstract

Embodiments of the present application relate to the technical field of display panel testing, and specifically relates to a display panel testing apparatus and a display panel testing box. The embodiments of the present application are intended to solve the technical problems in the related technology in which a plurality of display panels are sequentially arranged on a carrying surface, the number of placed display panels is limited, and space utilization is low. In the display panel testing apparatus and the display panel testing box implemented by the present application, a side of a support frame facing away from a fixed frame is provided with a first carrying surface and a second carrying surface, the first carrying surface and the second carrying surface are provided with a preset included angle, and both the first carrying surface and the second carrying surface are provided with at least one mounting positions for placing the display panel. Compared with only providing one carrying surface, when the display panel is tested, the display panel is placed on both the first carrying surface and second carrying surface that have the preset included angle, and more display panels can be placed in the same space, thereby improving the space utilization of the display panel testing apparatus.

Description

Display panel test device and display panel test box

This application claims the priority of a Chinese patent application filed with the Chinese Patent Office on June 9, 2020, the application number is 202010516978.9, and the application name is "Display Panel Test Device and Display Panel Test Box", the entire content of which is incorporated herein by reference. Applying.

Technical field

The embodiments of the present application relate to the technical field of display panel testing, and in particular to a display panel testing device and a display panel testing box.

Background technique

Display panels such as organic light-emitting diode display panels (OLED) and liquid crystal display panels (LCD) are often used as display devices for electronic devices such as mobile phones and computers. Therefore, the consumption of display panels is gradually increasing.

In related technologies, the display panel needs to be energized after the production is completed to detect whether the display panel can work normally; generally, the display panel is tested by a display panel test device. The display panel test device includes a bearing platform and a device set on the bearing platform. Multiple connection lines. During the test, multiple display panels are placed on the bearing surface of the bearing platform, and the multiple display panels are arranged in sequence on the bearing surface, and each display panel is connected to a connecting line; power is supplied to each display panel through the connecting line to achieve The test of the display panel.

However, a plurality of display panels are arranged in sequence on the bearing surface, the number of display panels placed is limited, and the space utilization rate is low.

Summary of the invention

In view of this, an embodiment of the present application provides a display panel test device and a display panel test box to solve the technical problem that a plurality of display panels are arranged in sequence on a carrying surface, the number of display panels placed is limited, and the space utilization rate is low.

The embodiment of the present application provides a display panel testing device, including a fixed frame; a support frame arranged on the fixed frame, and a side of the support frame away from the fixed frame has a first bearing surface and a second bearing surface, the first bearing surface and the second bearing surface There is a preset included angle between the two bearing surfaces, and both the first bearing surface and the second bearing surface have at least one installation position for placing the display panel.

In the display panel test device provided by the embodiment of the present application, both the first bearing surface and the second bearing surface have at least one installation position. Compared with only one bearing surface, when the display panel is tested, the predetermined included angle Display panels are placed on both the first bearing surface and the second bearing surface, and more display panels can be placed in the same space, thereby improving the space utilization of the display panel testing device.

The display panel test device as described above, wherein the support frame includes a first bearing plate and a second bearing plate, the first bearing plate and the second bearing plate have a predetermined angle between them, and the first bearing surface includes the first bearing plate The side face away from the fixed frame, the second bearing surface includes the side face of the second bearing plate away from the fixed frame.

With this arrangement, the supporting frame includes a first supporting plate and a second supporting plate, which can reduce the mass of the supporting frame and realize the weight reduction of the display panel testing device.

In the display panel testing device as described above, the supporting frame further includes a connecting plate, the first carrying plate and the second carrying plate have first ends close to each other, and the connecting plate is arranged on the first carrying plate and the second carrying plate and the second carrying plate. One end is opposite to the second end, the first bearing plate and the second bearing plate are both connected with the connecting plate, and the connecting plate is connected with the fixed frame.

With this arrangement, the first bearing board and the second bearing board can be installed on the connecting board first, and then the connecting board is installed on the fixed frame, which facilitates the installation of the first bearing board and the second bearing board.

In the display panel testing device as described above, an elastic layer is provided on both the first bearing surface and the second bearing surface. With this arrangement, the display panel placed on the support frame is in contact with the elastic layer, which can prevent the display panel from directly contacting the first bearing surface and the second bearing surface, thereby avoiding scratching the display panel; in addition, the elastic layer can also avoid the display panel Partial force causes the display panel to display abnormally during the test, thereby improving the accuracy of the test.

The display panel test device as described above, wherein the display panel test device further includes a plurality of flexible circuit boards, and each installation position corresponds to a flexible circuit board, and the flexible circuit board is used to connect with the interface on the display panel; A containing groove is arranged on the elastic layer corresponding to the position, and the flexible circuit board is contained in the containing groove.

This arrangement can prevent the flexible circuit board from protruding from the elastic layer, thereby avoiding the flexible circuit board from pressing against the display panel, and avoiding the display panel from being affected by force to affect the display; improving the accuracy of the display panel test device, and also avoiding the test process The middle display panel is damaged.

The display panel testing device as described above, wherein the flexible circuit board includes a first board body and a second board body having a predetermined angle between the extension direction and the first board body extension direction, and the second board body extends toward the edge of the display panel; The end of the second board away from the first board is used to connect with the interface on the display panel; the accommodating groove includes a first accommodating groove for accommodating the first board, and a second accommodating groove for accommodating the second board groove.

In the display panel testing device as described above, an accommodating hole is provided on the first bearing surface opposite to the end of the second board. The display panel is provided with a wiring board, the interface is arranged on the wiring board, the wiring board protrudes to the outside of the display panel, and the accommodating hole is provided so that after the end of the second board body is connected with the interface, the second board body faces the second housing The groove is bent; thereby avoiding the second board body from pressing against the top wiring board, and avoiding partial force on the display panel, which affects the display of the display panel.

The display panel testing device as described above, wherein the display panel testing device further includes a control circuit board, the control circuit board is provided with a controller, and each flexible circuit board is connected to the control circuit board. The controller can control the display of each display panel placed on the first carrier board and the second carrier board, and the display of multiple display panels can be controlled by the same controller; at the same time, the data of each display panel can be obtained.

In the display panel test device as described above, an installation space is enclosed between the fixed frame and the support frame, and the control circuit board is arranged in the installation space. With this arrangement, the protection of the control circuit board can be realized, thereby preventing external objects from contacting the control circuit board.

The embodiment of the application also provides a display panel test box, which includes a box body, a test rack, and display panel test devices as described above. The test rack has a plurality of compartments, and each display panel test device is arranged in one compartment; The test rack is detachably set in the box.

In the display panel test box provided by this embodiment, the support frame in the display panel test device is set on the fixed frame, and the support frame is provided with a first bearing surface and a second bearing surface, between the first bearing surface and the second bearing surface It has a preset included angle, the first bearing surface and the second bearing surface are located on the side of the support frame away from the fixed frame, and both the first bearing surface and the second bearing surface have at least one installation position; compared with only one bearing surface, When testing the display panel, the display panel is placed on both the first bearing surface and the second bearing surface with preset angles. More display panels can be placed in the same space, thereby improving the display panel testing device Space utilization.

In addition, the cabinet can provide a stable test environment for the display panel test device to improve the accuracy of the test.

The display panel test box as described above, wherein a heat preservation device is arranged in the box body, and the heat preservation device is used to maintain the temperature in the test box at a set value. With this setting, the display panel on the test rack can be placed in a specific test environment, the test accuracy can be improved, and different test environments can be simulated at the same time.

The display panel test box as described above, wherein the test frame includes a first support plate and a second support plate arranged in parallel, a plurality of connecting posts are arranged between the first support plate and the second support plate, and the connecting posts are connected to the first support plate and the second support plate. The support plate and the second support plate are perpendicular; a plurality of partition plates parallel to the first support plate and the second support plate are arranged between two adjacent connecting columns, and a space is formed between the two adjacent partition plates . Multiple display panel testing devices can test the display panels placed on them at the same time, which improves the testing efficiency.

In the display panel test box as described above, there are multiple test racks, and the multiple test racks are pluggable and set in the box. With this configuration, the display panels on the display panel test devices on multiple test racks can be tested at the same time, which further improves the test efficiency.

Description of the drawings

FIG. 1 is a schematic structural diagram of a display panel testing device provided by an embodiment of the application;

2 is a schematic diagram of a display panel placed on a display panel testing device provided by an embodiment of the application;

FIG. 3 is a schematic structural diagram of a support frame including a recessed portion in a display panel testing device provided by an embodiment of the application; FIG.

4 is a cross-sectional view of a display panel testing device provided by an embodiment of the application;

FIG. 5 is a partial view of a display panel testing device provided by an embodiment of the application;

6 is a schematic diagram of removing the support frame in the display panel testing device provided by an embodiment of the application;

FIG. 7 is a schematic diagram of the connection of the control circuit board in the display panel test device provided by the embodiment of the application;

FIG. 8 is a schematic diagram of the display panel test device provided by an embodiment of the application constituting a local test environment;

FIG. 9 is a schematic diagram of the display panel test device provided by an embodiment of the application constituting a remote test environment;

Figure 10 is a schematic diagram of a test box provided by an embodiment of the application;

FIG. 11 is a schematic structural diagram of a test rack in a test box provided by an embodiment of the application;

FIG. 12 is a schematic diagram of the test rack in the test box provided by the embodiment of the application being pulled out of the box;

FIG. 13 is a schematic diagram of the middle test rack of the test box provided by the embodiment of the application inserted into the box body.

Description of reference signs:

1: Display panel test device;

2: Display panel;

3: The first switch;

4: External control equipment;

5: The second switch;

6: Server;

7: Remote control equipment;

10: Support frame;

101: The first bearing plate;

102: the second bearing plate;

103: connecting board;

104: holding tank;

105: elastic layer;

106: Ventilation hole;

107: The first stop flange;

108: The second stop flange;

1011: the first bearing surface;

1021: The second bearing surface;

1022: The second stop bar;

1041: The first accommodating slot;

1042: The second accommodating tank;

1043: containment hole;

20: Fixed frame;

201: fixed plate;

202: side panel;

203: Reinforced board;

30: Control circuit board;

301: adapter board;

302: Controller;

303: Bridge chip;

304: Power chip;

305: Ethernet interface;

306: Power interface;

307: gusset connector;

40: Flexible circuit board;

401: The first board body;

402: The second board body;

50: The first stop bar;

501: The first wire hole;

60: box body;

70: Test frame;

701: the first support plate;

702: the second support plate;

703: connecting column;

704: divider plate;

705: scroll wheel;

706: End plate.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of this application clearer, the following will clearly and completely describe the technical solutions in the embodiments of this application with reference to the drawings in the embodiments of this application. Obviously, the described embodiments These are a part of the embodiments of this application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of this application.

In the related art, after the display panel is manufactured, the display panel is tested by a display panel testing device to determine whether the display panel can work normally; the display panel testing device has a bearing platform, and the bearing platform has a bearing surface parallel to the horizontal plane; During the test, multiple display panels are placed on the bearing surface, and the multiple display panels are arranged in a row or series on the bearing surface, and each display panel is connected to a connecting wire on the bearing platform, and then power is supplied to the display panel through the connecting wire To drive the display panel to display.

However, multiple display panels are arranged in a row or series on the bearing surface. In order to test multiple display panels at the same time, a larger bearing platform needs to be set up, and the space utilization rate is low.

This embodiment provides a display panel detection device. By providing a first bearing surface and a second bearing surface with a preset included angle, at least one display panel is placed on both the first bearing surface and the second bearing surface; Compared with placing the display panel on the bearing surface, the space utilization rate is improved.

1 and 2, the present embodiment provides a display panel testing device 1, including a fixed frame 20 and a supporting frame 10 arranged on the fixed frame 20, wherein the fixed frame 20 is used to carry the supporting frame 10, and the fixed frame 20 It may be in the shape of a plate and supported at the bottom end of the support frame 10. Of course, the fixed frame 20 may also have other structures, and the fixed frame 20 is not limited in this embodiment.

The side of the support frame 10 away from the fixed frame 20 is provided with a first bearing surface 1011 and a second bearing surface 1021. Both the first bearing surface 1011 and the second bearing surface 1021 are provided with at least one installation position; During the inspection, each display panel 2 is set on a mounting position; the mounting position may be an area on the first bearing surface 1011 and the second bearing surface 1021 for placing the display panel 2.

Exemplarily, one mounting position may be provided on both the first bearing surface 1011 and the second bearing surface 1021, that is to say, only one display panel 2 can be placed on the first bearing surface 1011, and only one display panel 2 can be placed on the second bearing surface 1021. Place a display panel 2. Of course, the first bearing surface 1011 and the second bearing surface 1021 can also be provided with multiple mounting positions, that is to say, multiple display panels 2 can be placed on the first bearing surface 1011, and multiple display panels 2 can also be placed on the second bearing surface 1021 A plurality of display panels 2; further, the number of mounting positions on the first bearing surface 1011 and the second bearing surface 1021 is the same, so that the number of display panels 2 placed on the first bearing surface 1011 and the second bearing surface 1021 is the same; The number of mounting positions on the one bearing surface 1011 and the second bearing surface 1021 may be 3, 4, etc. both.

In some embodiments, the number of installation positions on the first carrying surface 1011 and the number of installation positions on the second carrying surface 1021 may also be different, so that the display panels 2 placed on the first carrying surface 1011 and the second carrying surface 1021 The number is different.

There is a preset included angle between the first bearing surface 1011 and the second bearing surface 1021, that is, the first bearing surface 1011 is inclined with respect to the second bearing surface 1021; this embodiment does not limit the preset included angle, which is exemplary Yes, the support frame 10 may include a protrusion that protrudes away from the fixed frame 20, and the first bearing surface 1011 and the second bearing surface 1021 are two sides of the protrusion; as shown in FIG. 3, of course, the support frame 10 It may also include a recessed portion recessed toward the fixing frame 20, and the first bearing surface 1011 and the second bearing surface 1021 are two side surfaces of the recessed portion.

1 and 2, in this embodiment, the support frame 10 may include a first supporting board 101 and a second supporting board 102. The first supporting board 101 and the second supporting board 102 have a preset angle between them. A bearing surface 1011 may be the side of the first bearing plate 101 facing away from the fixed frame 20, and the second bearing surface 1021 may be the side of the second bearing plate 102 facing away from the fixing frame 20; taking the orientation shown in FIG. 1 as an example, the first bearing plate The surface 1011 is the upper surface of the first supporting board 101, and the second supporting board 102 is the upper surface of the second supporting board 102, so that the first supporting surface 1011 and the second supporting surface 1021 can carry the display panel 2. With this arrangement, the supporting frame 10 includes a first supporting plate 101 and a second supporting plate 102, which can reduce the mass of the supporting frame 10 and realize the lightweight of the display panel testing device 1.

The first supporting board 101 and the second supporting board 102 have first ends close to each other, and the first supporting board 101 and the second supporting board 102 also have second ends far away from each other, that is, the first supporting board 101 and the second supporting board 101 The first end and the second end of the supporting plate 102 are arranged opposite to each other. In the implementation manner in which the support frame 10 includes a recessed portion recessed toward the fixing frame 20, the first ends of the first bearing plate 101 and the second bearing plate 102 may be arranged close to the fixing frame 20, and at this time, the first bearing plate 101 and the second bearing plate 101 The supporting board 102 is surrounded by a recessed portion, and the first supporting surface 1011 and the second supporting surface 1021 are the sides of the recessed portion; The first ends of a supporting board 101 and a second supporting board 102 are located away from the fixed frame 20. At this time, the first supporting board 101 and the second supporting board 102 are surrounded by a protruding part, and the corresponding first supporting surface 1011 and the second supporting surface 1011 The bearing surface 1021 is the two sides of the protruding part.

In the implementation manner in which the first bearing board 101 and the second bearing board 102 are surrounded by protrusions, the support frame 10 may further include a connecting board 103, which is arranged on the first bearing board 101 and the second bearing board 102. Two ends, and the connecting plate 103 is connected with the first carrying plate 101 and the second carrying plate 102, and the connecting plate 103 is also connected with the fixing frame 20. With this arrangement, the first carrying board 101 and the second carrying board 102 can be installed on the connecting board 103 first, and then the connecting board 103 can be installed on the fixed frame 20, which can facilitate the first carrying board 101 and the second carrying board 102 installation.

Exemplarily, the first carrying plate 101 and the second carrying plate 102 can be connected to the connecting plate 103 by bolting or clamping. Of course, the first carrying plate 101 and the second carrying plate 102 can also be connected by welding. The board 103 is connected; the connecting board 103 can be connected to the fixed frame 20 by means of bolt connection or clamping connection.

In the foregoing implementation manner, the first supporting board 101, the second supporting board 102, and the connecting board 103 may be surrounded by triangular prisms. Correspondingly, the first supporting board 101, the second supporting board 102 and the connecting board 103 are respectively triangular prisms. Three side walls parallel to the centerline in the middle.

In the display panel testing device 1 provided by this embodiment, the support frame 10 has a first bearing surface 1011 and a second bearing surface 1021 at a predetermined angle; during the test, the display panel 2 is placed on the first bearing surface 1011 and the second bearing surface 1011. On the bearing surface 1021, compared with only one bearing surface, when the display panel 2 is tested, the display panel 2 is placed on both the first bearing surface 1011 and the second bearing surface 1021 with preset angles. More display panels 2 can be placed in the space, thereby improving the space utilization of the display panel testing device 1.

Please refer to FIGS. 1, 2 and 4, in this embodiment, in order to prevent the display panel 2 placed on the first supporting board 101 from sliding toward the end of the first supporting board 101 toward the fixed frame 20, the connecting board 103 may be A first stop bar 50 is provided, and the first stop bar 50 is located at the junction of the first bearing surface 1011 and the connecting plate 103; after the display panel 2 is placed on the first bearing surface 1011, the display panel 2 faces the fixed frame 20 One end abuts against the first stop bar 50. Wherein, the first stop bar 50 can be connected to the connecting plate 103 by welding or bolt connection. Of course, the first stop bar 50 can also be integrally formed with the connecting plate 103 by casting or injection molding. Exemplarily, an end of the first carrier plate 101 facing the connecting plate 103 is formed with a fitting part that is attached to the connecting plate 103, and the first stop strip 50 is attached to the side of the fitting part facing away from the connecting plate 103, and the first The stop bar 50 is connected to the connecting plate 103 by bolt connection, so as to realize the fixation of the first supporting plate 101 while connecting the first stop bar 50 to the connecting plate 103.

Further, a second stop bar 1022 is also provided on the connecting board 103, and the second stop bar 1022 is located at the junction of the second bearing surface 1021 and the connecting board 103; correspondingly, when the display panel 2 is placed on the second After being placed on the supporting surface 1021, the end of the display panel 2 facing the fixing frame 20 abuts against the second stop bar 1022 to prevent the display panel 2 disposed on the second supporting surface 1021 from sliding toward the fixing frame 20. The structure of the second stop bar 1022 is substantially similar to the structure of the first stop bar 50, and will not be repeated here.

Continuing to refer to FIG. 1, in some embodiments, a first stop flange 107 protruding to the outside of the first bearing surface 1011 may be provided on the edge between the first end and the second end of the first bearing plate 101, and the first The stop flange 107 and the first bearing surface 1011 are enclosed in a trough structure, and the display panel 2 is placed in the trough structure; this arrangement can prevent the display panel 2 placed on the first bearing surface 1011 from tilting, thereby avoiding The display panel 2 is detached from the first supporting board 101. Similarly, a second stop flange 108 protruding from the second bearing surface 1021 is provided on the edge between the first end and the second end of the second bearing plate 102. The second stop flange 108 and the second bearing The surface 1021 is surrounded by a trough-shaped structure, and the display panel 2 is placed in the trough-shaped structure; this arrangement can prevent the display panel 2 placed on the second bearing surface 1021 from tilting, thereby preventing the display panel 2 from being removed from the second bearing surface 1021 Fall off.

Continuing to refer to FIG. 1, in this embodiment, an elastic layer 105 is provided on both the first bearing surface 1011 and the second bearing surface 1021. With this arrangement, the display panel 2 placed on the support frame 10 is in contact with the elastic layer 105, which can prevent the display panel 2 from directly contacting the first bearing surface 1011 and the second bearing surface 1021, thereby preventing the display panel 2 from being scratched; The elastic layer 105 can also prevent the display panel 2 from being partially stressed, which may cause the display panel 2 to display abnormally during the test, thereby improving the accuracy of the detection.

Exemplarily, the elastic layer 105 may be mainly composed of elastic materials such as silica gel, foam plastic, etc. Of course, the elastic layer 105 may also be composed of other materials, and the material of the elastic layer 105 is not limited in this embodiment.

Continuing with Figures 2, 4, and 5, in order to drive the display panel 2 placed on the first bearing surface 1011 and the second bearing surface 1021 to display, the display panel testing device 1 further includes a plurality of flexible circuit boards 40, each of which is installed One flexible circuit board 40 is correspondingly provided, and each flexible circuit board 40 is connected to an interface of the display panel 2 placed on a corresponding installation position. With this arrangement, by connecting the flexible circuit board 40 to the display panel 2, the flexible circuit board 40 can be bent, which facilitates the disassembly and installation of the display panel 2.

In the implementation manner in which the first stop bar 50 and the second stop bar 1022 are provided on the connecting plate 103, a first wire passing hole 501 may be provided on the first stop bar 50, and the second stop bar 1022 There are second wiring holes, and the number of the first wiring holes 501 is the same as the number of installation positions on the first bearing surface 1011, so that each flexible circuit board 40 on the first bearing surface 1011 passes through the corresponding first After the wiring holes 501 are connected to the display panel 2; the same, the number of the second wiring holes is the same as the number of installation positions on the second bearing surface 1021, so that each flexible circuit board 40 on the second bearing surface 1021 penetrates After passing through the corresponding second wiring holes, it is connected to the display panel 2 to realize the fixation of each flexible circuit board 40.

Continuing to refer to FIGS. 1 and 5, further, a receiving slot 104 is provided on the elastic layer 105 corresponding to each installation position, and each flexible circuit board 40 is received in the corresponding receiving slot 104. Such a configuration can prevent the flexible circuit board 40 from protruding from the elastic layer 105, thereby preventing the flexible circuit board 40 from pressing against the display panel 2, and avoiding the display panel 2 from being stressed and affecting the display; improving the accuracy of the display panel testing device 1 and at the same time This avoids damage to the display panel 2 during the test.

In the above implementation, the flexible circuit board 40 includes a first board 401 and a second board 402. The extension direction of the second board 402 and the extension direction of the first board 401 have a predetermined included angle, so that the second board The board body 402 extends to the edge of the display panel 2; the end of the second board body 402 away from the first board body 401 is used to connect with the interface on the display panel 2 to supply power to the display panel 2 through the flexible circuit board 40. The accommodating groove 104 includes a first accommodating groove 1041 and a second accommodating groove 1042. The first plate 401 is accommodated in the first accommodating groove 1041, and the second plate 402 is accommodated in the second accommodating groove 1042. .

The predetermined included angle may be 90°, 60°, 120°, etc. The present embodiment does not limit the predetermined included angle. The preset included angle can be set according to the position of the interface on the display panel 2, so that the second board 402 The end may extend to a position close to the interface of the display panel 2 so as to facilitate the connection of the second board 402 with the interface of the display panel 2.

In the above implementation, the first bearing surface 1011 on the first bearing board 101 opposite to the end of the second board body 402 of the flexible circuit board 40 is provided with a receiving hole 1043; the receiving hole 1043 is provided in the second receiving groove 1042 is on the first bearing surface 1011 directly opposite. The display panel 2 is provided with a wiring board, the interface is arranged on the wiring board, the wiring board protrudes to the outside of the display panel 2, and the accommodating hole 1043 is provided so that the end of the second board 402 can be connected with the interface, the second board 402 Bending into the second accommodating groove 1042; thereby preventing the second board 402 from abutting against the wiring board, preventing the display panel 2 from being partially stressed and affecting the display of the display panel 2.

Similarly, a receiving hole 1043 may also be provided on the second bearing surface 1021 of the second board body 402 of the flexible circuit board 40 on the second bearing board 102, so as to avoid placing on the second bearing board 102. The display panel 2 is partially stressed.

Continuing to refer to FIG. 5, in the foregoing implementation manner, ventilation holes 106 may be provided on the elastic layer 105 located on the first supporting board 101 and the second supporting board 102. The elastic layer 105 contacts the display panel 2, which may easily cause the display panel 2. The local temperature is not uniform, and setting the ventilation holes 106 can improve the uniformity of the temperature of the display panel 2, thereby improving the accuracy of the test.

Continuing to refer to Figures 2, 4, and 5, the display panel testing device 1 provided in this embodiment further includes a control circuit board 30. The control circuit board 30 is provided with a controller 302, and each flexible circuit board 40 is connected to a control circuit. The board 30 is connected. The display of each display panel 2 placed on the first carrier board 101 and the second carrier board 102 can be controlled by the controller 302, and the display of multiple display panels 2 can be controlled by the same controller 302; at the same time, the display of each display panel 2 can be obtained. data.

Exemplarily, the controller 302 may include an FPGA (Field Programmable Gate Array) chip, and the FPGA chip may be used as a minimal system that runs independently, providing multiple test signals for testing the display panel 2, such as (RGB, LVDS, EDP signals, etc.); The FPGA chip can be connected to at least 8 display panels 2, and the FPGA chip can be used to connect more display panels 2 to increase the test efficiency of the display panel. This embodiment does not limit the controller 302, as long as it can control the display of multiple display panels 2.

6 and 7, in the above implementation, the controller 302 can be connected to the circuit on the control circuit board 30 through the subboard connector 307, and the board connector 307 can realize the connection between the controller 302 and the control circuit board 30. The high-frequency signal transmission between the circuits will not be damaged when the current is large; in addition, it is convenient to remove and install the controller 302 and the control circuit board 30. A plurality of transfer boards 301 are provided on the control circuit board 30, and each flexible circuit board 40 is connected to a circuit on the control circuit board 30 through the transfer board 301; further, a plurality of bridge chips 303 are provided on the control circuit board 30 And a power chip 304 (such as a DCDC power chip), wherein each adapter board 301 is provided with a bridge chip 303 and a power chip 304 correspondingly, and each flexible circuit board 40 is connected to the bridge chip 303 and the power chip 304 through the adapter board 301 . Wherein, the adapter board 301 may be a soft board (FPC) or a hard board (PCB). The exemplary adapter board 301 can be connected to the control circuit board 30 in a detachable manner, and the flexible circuit board 40 is detachably connected to the adapter board 301 to facilitate the assembly and disassembly of the display panel testing device 1.

In order to realize the data exchange between the control circuit board 30 and external equipment, an Ethernet interface 305 can be provided on the control circuit board 30 to realize the connection with the external equipment through the Ethernet; the control circuit board 30 is also provided with The power interface 306 is connected to an external power source to supply power to the control circuit board 30.

Continuing to refer to FIG. 2, in the above-mentioned implementation manner, an installation space is enclosed between the fixed frame 20 and the support frame 10, and the control circuit board 30 is arranged in the installation space; this arrangement can realize the protection of the control circuit board 30, and further Avoid contact of external objects with the control circuit board 30.

In an implementation manner in which the support frame 10 includes a first carrying plate 101, a second carrying plate 102, and a connecting plate 103 connected to the first carrying plate 101 and the second carrying plate 102, the fixing frame 20 may include a fixing plate 201 and a standing arrangement At least one side plate 202 on the side of the fixing plate 201 facing the support frame 10, the connecting plate 103 covers the end of the side plate 202 facing away from the fixing plate 201, and the connecting plate 103 can be connected to the side plate 202 by bolting or clamping. Connection; In this way, the fixed plate 201, the side plate 202 and the connecting plate 103 are enclosed as an installation space, and the control circuit board 30 is arranged in the installation space.

Further, in order to improve the connection strength between the side plate 202 and the fixed plate 201, a reinforcement plate 203 can be provided in the installation space at the junction of the side plate 202 and the fixed plate 201. The reinforcement plate 203 and the side plate 202 are fixed The board 201 is connected.

The use process of the display panel testing device 1 provided in this embodiment is as follows: firstly, the display panel 2 is placed on the first bearing surface 1011 and the second bearing surface 1021, and then the second board body 402 of the flexible circuit board 40 is connected to the display panel. Interface connection on 2; the controller 302 controls the control circuit board 30 to supply power to the display panel 2 through the flexible circuit board 40, so that the display panel 2 is displayed, and then the display panel 2 is tested.

In the display panel testing device 1 provided in this embodiment, the support frame 10 is arranged on the fixed frame 20, and the support frame 10 is provided with a first bearing surface 1011 and a second bearing surface 1021, and a first bearing surface 1011 and a second bearing surface 1021 There is a preset angle between them, the first bearing surface 1011 and the second bearing surface 1021 are located on the side of the support frame 10 away from the fixed frame 20, and both the first bearing surface 1011 and the second bearing surface 1021 have at least one installation position; During the test, the display panel 2 is placed on the first bearing surface 1011 and the second bearing surface 1021. Compared with only one bearing surface, when the display panel 2 is tested, the first bearing surface 1011 with a preset angle The display panel 2 is placed on the second bearing surface 1021, and more display panels 2 can be placed in the same space, thereby improving the space utilization rate of the display panel testing device 1.

In addition, since the display panel 2 is placed on both the first bearing surface 1011 and the second bearing surface 1021, the display panel 2 on the second bearing surface 1021 can be replaced while the display panel 2 on the first bearing surface 1011 is being tested. , In order to improve the test efficiency.

Referring to FIG. 8, in this embodiment, the control circuit board 30 can be connected to the external control device 4 via Ethernet to form a local test environment, and the external control device 4 can send data to the controller 302 on the control circuit board 30 via Ethernet. Control commands, and at the same time, the detection data can be obtained through the Ethernet and the data can be analyzed. The external control device 4 may be a personal computer or other devices capable of sending control commands and receiving data.

In some embodiments, the local test environment may include multiple display panel testing devices 1, and the external control device 4 may be connected to multiple display panel testing devices 1; for example, multiple display panel testing devices 1 may pass through the first switch 3 Connect with the external control device 4, so that the external control device 4 can control multiple display panel test devices at the same time 1 to test the display panel 2 placed on it, and at the same time the external control device 4 can obtain the test of multiple display panels connected to it Device 1 data and analyze the data. With this arrangement, multiple display panel testing devices 1 can be controlled at the same time, which improves the testing efficiency. Exemplarily, taking 8 display panels 2 can be placed on each display panel test device 1 at the same time as an example, the external control device 4 can connect 254 display panel test devices 1 through the first switch 3, and then can display 2032 display panels at the same time. Panel 2 is tested.

During the test, the external control device 4 sends a control command to each display panel test device 1 through the first switch 3. After the controller 302 on each display panel test device 1 receives the control command, the control circuit board 30 is connected to it The display panel 2 is powered to make the display panel 2 display; at the same time, the external control device 4 obtains the data of each display panel test device 1 through the first switch 3 and analyzes the data.

Please refer to FIG. 9, further, in some embodiments, the external control device 4 may be connected to the remote control device 7 through the server 6, which constitutes a remote test environment; the remote control device 7 may send to the external control device 4 through the server 6 The control command then sends the control command to the controller 302; at the same time, the data acquired by the external control device 4 can be sent to the remote control device 7 through the server 6, and the remote control device 7 can analyze the data. The remote control device 7 may be a personal computer or other devices capable of sending control commands and receiving data.

Further, multiple external control devices 4 can be provided, and each external control device 4 is connected to multiple display panel testing devices 1 through a first switch 3; multiple external control devices 4 are connected to the server 6 through a second switch 5 , So that the remote control device 7 can send control commands to each external control device 4 through the server 6, and at the same time can receive data sent by each external control device 4, and analyze the data. With this configuration, the remote control device 7 can send control commands to multiple external control devices 4 at the same time, and each external control device 4 is also connected to multiple display panel testing devices 1 through the first switch 3, which can further improve the testing efficiency. Among them, there may be one or more remote control devices 7. In the implementation manner in which there are multiple remote control devices 7, the multiple remote control room devices are all connected to the database.

Exemplarily, two non-relational databases (nosql), the backend and remote dictionary (redis) of the springboot framework (redis), and the database (mongodb) based on distributed file storage are deployed on the server 6, through the second switch 5 and multiple external controls Device 4 is connected, and full-duplex communication (websocket) is used in the background to communicate with the operation interface of remote control device 7 and external control device 4, and socket communication is used to communicate with display panel test device 1 to realize a server with 6 pairs The control, data collection and analysis of the display panel test device 1 are displayed. At the same time, the remote control device 7 can remotely connect to the server 6 via Ethernet to view the test status and result analysis, and can remotely control each display panel test device 1 through the server 6.

During the test, the remote control device 7 and the external control device 4 access the background control software on the server 6 through websocket communication, and perform address selection, voltage parameter configuration, test picture selection, and test case execution check on the display panel test device 1 And sequence configuration, collected data alarm threshold setting, etc., the local external control device 4 maps the IP address of the display panel test device 1 to a physical port through an IP address dynamic binding tool (such as IOP mapping tool), and connects with the external control device 4 IP binding, the background control software of the server 6 accesses the IP and physical ports of the external control device 4 through socket communication, and sends instructions such as voltage parameter configuration, test pictures, and test case execution sequence to each display panel test device 1, and Collect the data returned by the test for storage, statistical analysis, and display backup. The remote control device 7 or the external control device 4 accesses the background of the server 6 through websocket communication to view the test data and display interface.

10 and 11, an embodiment of the present application also provides a display panel test box, which includes a box body 60, a test rack 70, and a plurality of display panel test devices 1 in the foregoing embodiments. The display panel testing device 1 is substantially similar to the above-mentioned display panel testing device 1 and will not be repeated here.

The test rack 70 is provided with a plurality of compartments, each display panel test device 1 is disposed in one compartment, and the test rack 70 is detachably disposed in the box 60. In this way, the box 60 can provide a stable test environment for the display panel test device 1 to improve the accuracy of the test. In addition, multiple display panel testing devices 1 can simultaneously test the display panels 2 placed thereon, which improves the testing efficiency.

In the display panel test box provided in this embodiment, the support frame 10 in the display panel test device 1 is set on the fixed frame 20, and the support frame 10 is provided with a first bearing surface 1011 and a second bearing surface 1021, and a first bearing surface 1011 There is a preset angle between the first bearing surface 1011 and the second bearing surface 1021. The first bearing surface 1011 and the second bearing surface 1021 are located on the side of the support frame 10 away from the fixed frame 20. The first bearing surface 1011 and the second bearing surface 1021 are both There is at least one mounting position; during testing, the display panel 2 is placed on the first bearing surface 1011 and the second bearing surface 1021. Compared with only one bearing surface, when the display panel 2 is tested, it has a preset angle The display panel 2 is placed on both the first bearing surface 1011 and the second bearing surface 1021, and more display panels 2 can be placed in the same space, thereby improving the space utilization of the display panel testing device 1.

Exemplarily, the box 60 may have a regular shape such as a rectangular parallelepiped or a cylinder. Of course, the box 60 may also have other irregular shapes. The shape of the box 60 is not shown in this embodiment.

Continuing to refer to Figures 11-13, the inner wall of the box 60 is provided with a plug-in interface, and the test frame 70 is inserted into the box 60 by the plug-in interface; further, a roller 705, a tube wheel can be provided at the bottom end of the test frame 70 In contact with the bottom wall of the box 60, the test rack 70 is supported in the box 60 through rollers 705. During the process of pulling the test rack 70 out of the box 60 or inserting the test rack 70 in the box 60, The roller 705 rolls on the bottom wall of the box 60, which can reduce the resistance when the test frame 70 is moved.

In this embodiment, the test frame 70 includes a first support plate 701 and a second support plate 702 arranged in parallel. A plurality of connecting posts 703 are arranged between the first support plate 701 and the second support plate 702. A supporting plate 701 and a second supporting plate 702; the connecting column 703 may be perpendicular to the first supporting plate 701 and the second supporting plate 702, and a plurality of connecting columns 701 and the first supporting plate 701 and The second support plate 702 is parallel to the partition plate 704, and two adjacent partition plates 704 form an interval space, and a display panel test device 1 is provided in each interval space. The display panel testing device 1 can be placed on the partition board 704.

Exemplarily, a storage space is formed between adjacent connecting columns 703, the support frame 10 may have 4 storage spaces, and each storage space is provided with 4 partition plates 704, so that each storage space has There are 5 compartments, and each compartment is provided with a display panel test device 1; that is, each support frame 10 can be provided with 20 display panel test devices 1.

Further, an end plate 706 is provided on one end of the first support plate 701 and the second support plate 702 facing the outside of the box body 60. When the test rack 70 is inserted into the box body 60, the end plate 706 covers the box body 60 The plug-in interface is blocked to realize the sealing of the box body 60.

In the foregoing implementation manner, there may be multiple test racks 70, and the multiple test racks 70 are pluggable and arranged in the box 60. This arrangement can simultaneously test the display panels 2 on the display panel test devices 1 on the multiple test racks 70, which further improves the test efficiency.

In this embodiment, a heat preservation device may be provided in the box 60, and the heat preservation device is used to maintain the temperature in the test box at a set value. Such a setting can make the display panel 2 on the test frame 70 be in a specific test environment, improve the test accuracy, and can also simulate different test environments. This embodiment does not limit the set value, and different test temperatures can be set according to different test requirements.

Exemplarily, the heat preservation device may include a heating device and a cooling device, so that when the temperature in the box 60 is higher than the set value, the cooling device works to reduce the temperature in the box 60, and the temperature in the box 60 is lower than the set value. When the value is fixed, the heating device works to increase the temperature of the box 60, thereby maintaining the temperature in the box 60 at the set value. Furthermore, in this embodiment, a humidity adjusting device is also provided in the box 60 to adjust the humidity in the box 60 to meet the test requirements. The box body 60 may be made of a material resistant to high temperature and high humidity.

In an implementation manner in which the display panel testing device 1 includes a first supporting board 101, a second supporting board 102, and a connecting board 103, the first supporting surface 1011 on the first supporting board 101 and the second supporting board 102 on the second supporting board 102 An elastic layer 105 is provided on the bearing surface 1021, and the elastic layer 105 is in contact with the display panel 2. At this time, a vent 106 can be provided on the elastic layer 105. The vent 106 can improve the uniformity of the temperature of the display panel 2 and improve the test Accuracy.

In this embodiment, the display panel test device 1 on the test rack 70 can test the display panel 2 through the local test environment or the remote test environment in the foregoing embodiment.

In the description of this application, it needs to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" , "Radial", "Circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, rather than indicating or implying the pointed device or The element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present application.

It should be noted that in the description of this application, the terms "first" and "second" are only used to facilitate the description of different components, and cannot be understood as indicating or implying the order relationship, relative importance, or implicitly indicating what is indicated. The number of technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features.

In this application, unless expressly stipulated otherwise, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense. For example, it may be a fixed connection or a detachable connection. Or integrally formed, which can be mechanically connected, or electrically connected, or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction between two components, unless There are other clear restrictions. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the application, not to limit it; although the application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or equivalently replace some or all of the technical features; these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present application. Scope.

Claims

A display panel testing device, which is characterized in that it comprises:

Fixed frame

A support frame arranged on the fixed frame, the side of the support frame facing away from the fixed frame has a first bearing surface and a second bearing surface, between the first bearing surface and the second bearing surface there is The included angle is preset, and both the first bearing surface and the second bearing surface have at least one mounting position for placing the display panel.
The display panel testing device according to claim 1, wherein the support frame comprises a first supporting board and a second supporting board, and a preset clip is provided between the first supporting board and the second supporting board. Angle, the first bearing surface includes a side surface of the first bearing plate facing away from the fixing frame, and the second bearing surface includes a side surface of the second bearing plate facing away from the fixing frame.
The display panel testing device according to claim 2, wherein the support frame further comprises a connecting plate, the first carrying plate and the second carrying plate have first ends close to each other, and the connecting plate Are arranged at a second end of the first bearing plate and the second bearing plate opposite to the first end, the first bearing plate and the second bearing plate are both connected to the connecting plate, the The connecting plate is connected with the fixed frame.
The display panel testing device according to any one of claims 1 to 3, wherein both the first bearing surface and the second bearing surface are provided with an elastic layer.
4. The display panel testing device according to claim 4, wherein the display panel testing device further comprises a plurality of flexible circuit boards, and each of the mounting positions is correspondingly provided with one flexible circuit board, and the flexible circuit board It is used to connect with the interface on the display panel; the elastic layer corresponding to each of the installation positions is provided with a receiving slot, and the flexible circuit board is received in the receiving slot.
The display panel testing device according to claim 5, wherein the flexible circuit board comprises a first board body and a second board body whose extension direction has a predetermined angle with the extension direction of the first board body, the The second board extends toward the edge of the display panel; the end of the second board facing away from the first board is used to connect with the interface on the display panel; the accommodating slot includes the first board The first accommodating groove and the second accommodating groove for accommodating the second plate body.
7. The display panel testing device according to claim 6, wherein a receiving hole is provided on the first bearing surface directly opposite to the end of the second board.
The display panel test device according to claim 5, wherein the display panel test device further comprises a control circuit board, the control circuit board is provided with a controller, and each of the flexible circuit boards is connected to the Control circuit board connection.
8. The display panel testing device according to claim 8, wherein an installation space is enclosed between the fixing frame and the support frame, and the control circuit board is arranged in the installation space.
A display panel test box, which is characterized by comprising a box body, a test rack, and a plurality of display panel test devices according to any one of claims 1-9. The test rack has a plurality of compartments, and each The display panel test device is arranged in one of the compartments; the test rack is pluggably arranged in the box.
The display panel test box according to claim 10, wherein a heat preservation device is provided in the box body, and the heat preservation device is used to maintain the temperature in the test box at a set value.
The display panel test box according to claim 10, wherein the test frame comprises a first supporting plate and a second supporting plate arranged in parallel, and the first supporting plate and the second supporting plate are arranged between the first supporting plate and the second supporting plate. There are a plurality of connecting pillars, and the connecting pillars are perpendicular to the first supporting plate and the second supporting plate; The second supporting plate is a parallel partition plate, and a space is formed between two adjacent partition plates.
10. The display panel test box according to claim 10, wherein there are a plurality of said test racks, and the plurality of said test racks are inserted and pluggably arranged in the box body.