Display screen testing device with various interfaces

Abstract

A display screen testing device with various interfaces comprises a detection device which comprises a detection plate; the detection board is provided with a detection chip, and the detection board is provided with an interface assembly; the detection chip is an interface conversion chip; and the interface assembly comprises an RGB interface to MIPI, LVDS, EDP interface and the like. According to the display screen testing device with the various interfaces, the detection chip is arranged on the detection board, and the switching code and the switching circuit are arranged in the detection chip, so that a switching function can be realized, a switching port with a switching chip does not need to be accessed from the outside for detection, an interface switching chip circuit is saved, and the cost is reduced. And a test bottom plate program does not need to write codes of an interface conversion chip part, so that the aims of simplifying the detection steps and improving the detection efficiency of the display screen are fulfilled.

Description

Technical Field

[0001] The utility model relates to the technical field of display screen testing devices, in particular to a display screen testing device with multiple interfaces. Background Art

[0002] The current display screen has a huge market, and the shipment volume is gradually increasing. The module factory also has a large demand for test boards for display screen inspection and shipment. For high-end display screens, the interface mode used is usually MIPI, LVDS or EDP, and the current test board detects these interfaces through interface conversion chips. Therefore, during the inspection, it is necessary to convert the interface mode (RGB interface to MIPI, LVDS, EDP interface) through an external interface adapter chip before it can be used. Therefore, the inspection steps are too complicated, which is not conducive to improving the inspection efficiency of the display screen. Utility Model Content

[0003] The utility model aims to overcome the shortcomings of the prior art and provide a display screen testing device with multiple interfaces.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A display screen testing device with multiple interfaces comprises: a detection device, the detection device comprises a detection board; a detection board, a detection chip is arranged on the detection board, and an interface component is arranged on the detection board; a detection chip, the detection chip is an interface conversion chip; an interface component, the interface component comprises an RGB interface to MIPI, LVDS, EDP interface, etc.; a status display component is arranged on the left side of the top of the front side of the detection board, the status display component comprises four status display lights, and the four status display lights are arranged at equal distances in the horizontal direction; each of the four status display lights in the status display component has a different color, and the status display component is electrically connected to the detection board.

[0006] In one of the embodiments, the detection chip is arranged at a position in the middle of the detection board near the top, and the circuit diagram of the detection chip is arranged on the board body of the detection board in an integrated manner.

[0007] In one of the embodiments, a control component is disposed on the left side of the top of the front side of the detection board, and the control component includes a push-type switch, and the push-type switch is electrically connected to the detection board.

[0008] In one of the embodiments, the interface component is disposed on the left side of the bottom of the front side of the detection board, and the interface component includes a multi-port connector.

[0009] In one embodiment, the detection device includes a protective sealing box, and the detection board is arranged in the sealing box.

[0010] In one embodiment, the detection board is a PCB board, the front side of the detection board is square in shape, and guide holes are opened on the four corners.

[0011] In one of the embodiments, heat dissipating silicone oil is provided at the connection between the detection chip and the detection board.

[0012] In one of the embodiments, the front and back of the detection board are both treated with waterproof and moisture-proof treatment.

[0013] Compared with the prior art, the utility model has at least the following advantages:

[0014] The utility model discloses a display screen test device with multiple interfaces. By arranging a detection chip on a detection board, and arranging a switching code and a switching circuit in the detection chip, a switching function can be realized. Meanwhile, a designed interface component is used to realize direct switching of an RGB interface to MIPI, LVDS and EDP interfaces, so that there is no need to access a switching port with a switching chip from the outside for detection. Therefore, an interface switching chip circuit is saved, and the test baseboard program does not need to write the code of the interface conversion chip part, thereby achieving the purpose of simplifying the detection steps and improving the detection efficiency of the display screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a schematic diagram of the front structure of the detection board of the display screen testing device with multiple interfaces of the utility model;

[0017] Figure 2 This is a schematic diagram of the circuit structure of a detection board of a display screen testing device with multiple interfaces of the utility model;

[0018] Figure 3 This is a schematic diagram of the circuit structure of a control component of a display screen testing device with multiple interfaces of the utility model;

[0019] Figure 4 The utility model is a schematic diagram of the circuit structure of the control component of the display screen testing device with multiple interfaces.

[0020] In the figure: 1. detection device; 11. detection board; 12. detection chip; 13. status display component; 14. control component; 15. interface component. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the relevant drawings. The drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly and comprehensively understood.

[0022] In the description of the present application, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0023] Unless otherwise clearly stipulated and limited, terms such as "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0025] like Figure 1-4 As shown, a display screen test device with multiple interfaces includes: a detection device 1, the detection device 1 includes a detection board 11; the detection board 11 is provided with a detection chip 12, and the detection board 11 is provided with an interface component 15; the detection chip 12, the detection chip 12 is an interface conversion chip; the interface component 15, the interface component 15 includes an RGB interface to MIPI, LVDS, EDP interface, etc. It should be noted that the specification is attached Figure 2 and Figure 3 as well as Figure 4They are respectively the circuit diagram of the detection chip 12 and the circuit diagram of the interface component 15. Therefore, the control component 14 can realize the insertion of the MIPI, LVDS, and EDP interfaces and transfer them to the detection chip 12, so that the detection chip 12 can detect different ports. Therefore, the detection device 1 does not need to convert the interface mode through an external interface conversion chip, but can directly support it, saving the interface conversion chip circuit, and the test baseboard program does not need to write the code of the interface conversion chip part.

[0026] like Figure 1 As shown, in one embodiment, a status display component 13 is provided on the left side of the top of the front side of the detection board 11, and the status display component 13 includes four status display lights, and the four status display lights are arranged at equal distances along the horizontal direction. The color of each of the four status display lights in the status display component 13 is different, and the status display component 13 is electrically connected to the detection board 11. It should be noted that the four status lights can represent the status of the detection board 11, so that the staff can understand the status of the detection device 1.

[0027] like Figure 1-4 As shown, in one embodiment, the detection chip 12 is arranged at a position near the top of the middle of the detection board 11, and the circuit diagram of the detection chip 12 is arranged on the body of the detection board 11 in an integrated manner. It should be noted that the circuit diagram of the interface component 15 is also arranged on the detection board 11 in an integrated manner and is electrically connected to the detection chip 12.

[0028] like Figure 1 As shown, in one embodiment, a control assembly 14 is disposed on the left side of the top of the front side of the detection board 11. The control assembly 14 includes a push switch, and the push switch is electrically connected to the detection board 11. It should be noted that this design can facilitate the staff to operate the detection device 1.

[0029] like Figure 1 and Figure 4 As shown, in one embodiment, the interface component 15 is arranged on the left side of the bottom of the front side of the detection board 11, and the interface component 15 includes a multi-port connector. It should be noted that the connector can be inserted into a data connection line such as MIPI, LVDS, EDP, etc.

[0030] like Figure 1-3 As shown, in one embodiment, the detection device 1 includes a protective sealing box, and the detection board 11 is arranged in the sealing box. It should be noted that the sealing box is made of plastic and has a black outer surface, and is provided with a plurality of connection holes.

[0031] like Figure 1As shown, in one embodiment, the detection board 11 is a PCB board, the front of the detection board 11 is square, and guide holes are opened on the four corners. It should be noted that the guide holes are designed to be circular and cooperate with the guide posts in the sealing box to fix the detection board 11 in the sealing box.

[0032] like Figure 1-3 As shown, in one embodiment, heat dissipation silicone oil is provided at the connection between the detection chip 12 and the detection board 11. The front and back of the detection board 11 are both waterproof and moisture-proof. It should be noted that this design can extend the service life of the detection board 11.

[0033] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A display screen testing device with multiple interfaces, characterized in that: include: A detection device (1), the detection device (1) comprising a detection board (11); A detection board (11), wherein a detection chip (12) is arranged on the detection board (11), and an interface component (15) is arranged on the detection board (11); A detection chip (12), wherein the detection chip (12) is an interface conversion chip; An interface component (15), the interface component (15) comprising an RGB interface to MIPI, LVDS, and EDP interfaces; a status display component (13) is arranged on the left side of the top of the front side of the detection board (11), the status display component (13) comprising four status display lights, and the four status display lights are arranged at equal distances along the horizontal direction; the color of each of the four status display lights in the status display component (13) is different, and the status display component (13) is electrically connected to the detection board (11).

2. The display screen testing device with multiple interfaces according to claim 1, characterized in that: The detection chip (12) is arranged at a position in the middle of the detection board (11) near the top, and the circuit diagram of the detection chip (12) is arranged on the board body of the detection board (11) in an integrated manner.

3. The display screen testing device with multiple interfaces according to claim 1, characterized in that: A control component (14) is arranged on the left side of the top of the front side of the detection board (11); the control component (14) comprises a push-type switch, and the push-type switch is electrically connected to the detection board (11).

4. The display screen testing device with multiple interfaces according to claim 1, characterized in that: The interface component (15) is arranged on the left side of the bottom of the front side of the detection board (11), and the interface component (15) comprises a multi-port connector.

5. The display screen testing device with multiple interfaces according to claim 1, characterized in that: The detection device (1) comprises a protective sealing box, and the detection board (11) is arranged in the sealing box.

6. The display screen testing device with multiple interfaces according to claim 1, characterized in that: The detection board (11) is a PCB board, the front of the detection board (11) is in a square shape, and guide holes are provided on the four corners.

7. The display screen testing device with multiple interfaces according to claim 1, characterized in that: Heat dissipation silicone oil is provided at the connection between the detection chip (12) and the detection board (11).

8. The display screen testing device with multiple interfaces according to claim 1, characterized in that: The front and back of the detection board (11) are both waterproof and moisture-proof.

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