CN105425096B - display device and test method - Google Patents

Abstract

The invention discloses a kind of display devices, it includes display panel, are at least connected with module and control module.Link block is coupled to display panel, and link block includes multiple foot positions, and above-mentioned foot position includes input pin position and output pin position, and input pin position is electrically coupled to output pin position.Control module detects signal and input voltage to receive.When control module receives detection signal, then control module is sent to input pin position and when control module receives the detection signal of output pin position passback will detect signal, then control module gives power wafers according to passback detection signal to provide input voltage.

Description

Display device and test method

technical field

The present invention relates to a display technology, and in particular to a display device and a testing method.

Background technique

When manufacturing a display device, once the Chip on Film (COF) process is completed, it is necessary to test the function of the display device. During the test, it is necessary to connect the control board to the connection board through the cable, and after the connection between the cable and the connection board, manually confirm whether the coupling status of the cable and the connection board is normal.

If the manual judgment is wrong, the abnormal coupling condition of the cable and the connection board, such as the oblique insertion of the pins of the cable and the connection board, will exist in the display device. In this way, during the test, voltage will be supplied to misaligned pins, resulting in damage to the product and costly repairs.

This shows that above-mentioned existing mode obviously still has inconvenience and defect, and needs to be improved. In order to solve the above-mentioned problems, related fields have tried their best to seek a solution, but a suitable solution has not been developed for a long time.

Contents of the invention

This Summary is intended to provide a simplified summary of the disclosure in order to provide the reader with a basic understanding of the disclosure. This summary is not an extensive overview of the disclosure and it is not intended to identify key/critical elements of the embodiments of the invention or to delineate the scope of the invention.

One purpose of the present invention is to provide a display device and a testing method, so as to improve the problems of the prior art.

To achieve the above purpose, a technical aspect of the present invention relates to a display device. The display device includes a display panel, at least one connection module and a control module. The connection module is coupled to the display panel. The connection module includes a plurality of pins. The pins include input pins and output pins, and the input pins are electrically coupled to the output pins. The control module is used for receiving detection signal and input voltage. When the control module receives the detection signal, the control module is used to transmit the detection signal to the input pin. When the control module receives the detection signal returned by the output pin, the control module provides the input voltage to the power chip according to the returned detection signal.

To achieve the above purpose, another technical aspect of the present invention relates to a testing method. This test method is used to test the coupling status of the connection module and the cable set of the display device. The test method includes connecting the cable group and the connection module; providing a detection signal to the control module, and the control module is coupled to the cable group; transmitting the detection signal to the connection module through the cable group; and when the control module receives the connection module through the cable group The returned detection signal becomes an enabling signal, and the control module provides an input voltage to the power chip according to the enabling signal.

Therefore, according to the technical content of the present invention, the embodiment of the present invention provides a display device and a testing method to improve the function of the display device when testing the function of the display device. The pins of the connecting board are obliquely plugged in), resulting in voltage being supplied to the wrong pins (pins), resulting in product damage.

After referring to the following embodiments, those with ordinary knowledge in the technical field of the present invention can easily understand the basic spirit and other invention objectives of the present invention, as well as the technical means and implementation aspects adopted by the present invention.

Description of drawings

In order to make the above and other objects, features, advantages and embodiments of the present invention more obvious and understandable, the accompanying drawings are described as follows:

FIG. 1 is a schematic diagram illustrating a display device according to an embodiment of the present invention.

FIG. 2A is a schematic diagram illustrating a detailed circuit of a connection module and a cable set as shown in FIG. 1 according to an embodiment of the present invention.

FIG. 2B is a detailed circuit schematic diagram illustrating a connection module and a cable set as shown in FIG. 1 according to another embodiment of the present invention.

FIG. 3 is a detailed circuit diagram illustrating an enabling circuit as shown in FIG. 1 according to an embodiment of the present invention.

FIG. 4 is a detailed circuit diagram illustrating a detection circuit as shown in FIG. 1 according to an embodiment of the present invention.

FIG. 5 is a detailed circuit diagram illustrating a detection circuit as shown in FIG. 1 according to an embodiment of the present invention.

FIG. 6 is a detailed circuit schematic diagram illustrating a protection circuit as shown in FIG. 1 according to an embodiment of the present invention.

In accordance with common practice, the various features and elements in the drawings have not been drawn to scale, but rather have been drawn in order to best present the specific features and elements in connection with the invention. In addition, the same or similar reference numerals refer to similar elements/components in different drawings.

Among them, reference signs:

100: display device 140: control module

110: display panel 141: input terminal

120: Connection module 142: Enable circuit

122: First connection module 143: Power chip

124: second connection module 144: first detection circuit

130: Cable group 145: Detection module

132: The first cable 146: The second detection circuit

134: Second cable 148: Protection circuit

Detailed ways

In order to make the description of the present disclosure more detailed and complete, the following provides an illustrative description of the implementation aspects and specific embodiments of the present invention; but this is not the only form of implementing or using the specific embodiments of the present invention. The description covers features of various embodiments as well as method steps and their sequences for constructing and operating those embodiments. However, other embodiments can also be used to achieve the same or equivalent functions and step sequences.

Unless otherwise defined in this specification, the meanings of scientific and technical terms used herein are the same as those commonly understood and commonly used by those skilled in the art to which this invention belongs. In addition, the singular nouns used in this specification include the plural forms of the nouns, and the plural nouns used also include the singular forms of the nouns, unless the context conflicts with the context.

In addition, regarding the "coupling" used herein, it may mean that two or more elements are in direct physical or electrical contact with each other, or that they are in indirect physical or electrical contact with each other, and it may also mean that two or more elements are in mutual operation. or action.

FIG. 1 is a schematic diagram illustrating a display device according to an embodiment of the present invention. As shown in the figure, the display device 100 includes a display panel 110 , a connection module 120 , a cable set 130 and a control module 140 . The control module 140 is used for testing the coupling status of the connection module 120 and the cable set 130 . The control module 140 is coupled to the connection module 120 through the cable set 130 . The control module 140 is used for receiving the detection signal DE and the input voltage Vin. If the control module 140 receives the detection signal DE and transmits the detection signal DE to the connection module 120 through the cable set 130, and the control module 140 receives the detection signal DE returned by the connection module 120 through the cable set 130, it means that the connection is made. The coupling condition between the module 120 and the cable set 130 is normal, for example, there is no oblique pin insertion or misalignment between the connection module 120 and the cable set 130 . At this time, the control module 140 generates the enable signal EN according to the returned detection signal DE, and provides the input voltage Vin to the power chip 143 according to the enable signal EN. In an embodiment, the above-mentioned power chip 143 is used to supply power to the internal components of the display device 100 to perform subsequent testing procedures.

In this way, since the mechanism of the display device 100 in the embodiment of the present invention can determine whether the coupling status of the connection module 120 and the cable set 130 is normal, the subsequent steps will be executed only if the coupling status of the connection module 120 and the cable set 130 is normal. operate. Therefore, when testing the function of the display device, the voltage is supplied to the wrong pin due to abnormal coupling between the cable and the connection board (for example, the pins of the cable and the connection board are inserted obliquely or misaligned), resulting in The problem of product damage.

In an embodiment, the control module 140 includes an input terminal 141 and an enabling circuit 142 . The enable circuit 142 is coupled to the power chip 143 and used for receiving the input voltage Vin from the input terminal 141 . The enabling circuit 142 does not provide the input voltage Vin to the power chip 143 immediately after receiving the input voltage Vin, and does not provide the input voltage Vin to the power chip 143 until the enabling circuit 142 receives the enabling signal EN.

In the embodiment, the control module 140 further includes a detection module 145 , the detection module 145 is used for receiving, transmitting and returning the detection signal DE according to the connection module 120 to output the enable signal EN. In another embodiment, the control module 140 further includes a protection circuit 148 for receiving the detection signal DE and the protection signal EP, and outputting the enable signal EN according to the protection signal EP. When the protection circuit 148 receives the detection signal DE, the protection circuit 148 is used to transmit the detection signal DE to the connection module 120 and stop outputting the enable signal EN. It should be noted that, if the control module 140 receives the protection signal EP, the control module 140 can perform a unit test of the control module 140 itself according to the protection signal EP; however, if the control module 140 receives the detection signal DE, it indicates that it needs to test The coupling status of the connection module 120 and the cable set 130, at this time, the protection circuit 148 will stop outputting the enable signal EN to the enable circuit 142, and the control module 140 restores the enable signal generated by the enable circuit 142 according to the detection module 145 EN is a mechanism to provide the input voltage Vin to the power chip 143 .

FIG. 2A is a schematic diagram illustrating a detailed circuit of a connection module and a cable set as shown in FIG. 1 according to an embodiment of the present invention. As shown in the figure, the connection module 120 includes a plurality of pins Pin11-Pin1N, and the pins Pin11 and Pin1N are respectively arranged on opposite sides (such as the left side and the right side) of the connection module 120, but not limited thereto, and the pins Pin11 may be but not limited to be directly electrically coupled to the pin Pin1N. Relatively speaking, the cable set 130 includes a plurality of pins Pin21 - Pin2N, and the pin Pin21 and the pin2N are respectively arranged on opposite sides (such as the left side and the right side) of the cable set 130 , but not limited thereto. If the control module 140 receives the detection signal DE, the control module 140 transmits the detection signal DE to the pin Pin11 of the connecting module 120 through the pin Pin21 of the cable set 130 . If the control module 140 receives the detection signal DE sent back from the pin Pin1N of the connection module 120 through the pin Pin2N of the cable set 130, it means that the coupling status of the connection module 120 and the cable set 130 is normal, for example, the connection module 120 and the cable set 130 are connected normally. There is no oblique insertion between the pins of the cable set 130, therefore, the pin Pin11 of the connection module 120 can receive the detection signal DE transmitted from the pin Pin21 of the cable set 130, and based on the pin position of the connection module 120 Pin11 is electrically coupled to the state of the pin Pin1N, so that the detection signal DE is transmitted from the pin Pin11 of the connection module 120 to the pin Pin1N, and accordingly, the control module 140 can receive the connection module through the pin Pin2N of the cable set 130 The detection signal DE returned by the pin Pin1N of 120 . At this time, the control module 140 generates the enable signal EN according to the detection signal DE, and provides the input voltage Vin to the power chip 143 according to the enable signal EN.

FIG. 2B is a detailed circuit schematic diagram illustrating a connection module and a cable set as shown in FIG. 1 according to another embodiment of the present invention. As shown in the figure, in this embodiment, the connection module 120 may include a first connection module 122 and a second connection module 124 . The first connection module 122 is coupled to the display panel 110, and the first connection module 122 includes a plurality of pins Pin11˜Pin1N, and the pin Pin11 and the pin Pin1N are respectively arranged on opposite sides of the first connection module 122, but not limited thereto. , in addition, the pin Pin11 of the first connection module 122 may be but not limited to be directly electrically coupled to the pin Pin1N of the first connection module 122 . Furthermore, the second connection module 124 is coupled to the display panel 110, and the second connection module 124 includes a plurality of pins Pin31-Pin3N, and the pin Pin31 and the pin Pin3N are respectively arranged on opposite sides of the second connection module 124, But not limited thereto, in addition, the pin Pin31 of the second connection module 124 may be but not limited to be directly electrically coupled to the pin Pin3N of the second connection module 124 .

In one embodiment, the cable set 130 includes a first cable 132 and a second cable 134 . The first cable 132 includes a plurality of pins Pin21-Pin2N, the above-mentioned pins Pin21 and pin2N are respectively arranged on opposite sides (such as the left side and the right side) of the first cable 132, but not limited, and the first The pin Pin21 of the cable 132 can be coupled to the pin Pin11 of the first connection module 122 , and the pin Pin2N of the first cable 132 can be coupled to the pin Pin1N of the first connection module 122 . Furthermore, the second cable 134 includes a plurality of pins Pin41-Pin4N, and the pin Pin41 and the pin4N are respectively arranged on opposite sides of the second cable 134, but not limited thereto, and the pins of the second cable 134 Pin41 can be coupled to the pin Pin31 of the second connection module 124 , and the pin Pin4N of the second cable 134 can be coupled to the pin Pin3N of the second connection module 124 .

If the control module 140 receives the detection signal DE, the control module 140 transmits the detection signal DE to the pin Pin11 of the first connection module 122 through the pin Pin21 of the first cable 132 . If the control module 140 receives the detection signal DE returned by the pin Pin1N of the first connection module 122 through the pin Pin2N of the first cable 132, it means that the coupling status of the first connection module 122 and the first cable 132 is normal. For example, there is no oblique insertion or misalignment of the pins between the first connection module 122 and the first cable 132, therefore, the pin Pin11 of the first connection module 122 can receive the transmission from the pin Pin21 of the first cable 132. The incoming detection signal DE is based on the state that the pin Pin11 of the first connection module 122 is electrically coupled to the pin Pin1N, so that the detection signal DE is transmitted from the pin Pin11 of the first connection module 122 to the pin Pin1N, accordingly , the control module 140 can receive the detection signal DE returned by the pin Pin1N of the first connection module 122 through the pin Pin2N of the first cable 132, and at this time, the control module 140 continues to transmit the detection signal DE through the second cable 134 The pin Pin41 of the second connection module 124 is transmitted to the pin Pin31 of the second connection module 124 . If the control module 140 receives the detection signal DE sent back from the pin Pin3N of the second connection module 124 through the pin Pin4N of the second cable 134, it means that the coupling status between the second connection module 124 and the second cable 134 is normal. For example, there is no oblique insertion or misalignment of the pins between the second connection module 124 and the second cable 134. Therefore, the pin Pin31 of the second connection module 124 can receive the transmission from the pin Pin41 of the second cable 134. The incoming detection signal DE is based on the state that the pin Pin31 of the second connection module 124 is electrically coupled to the pin Pin3N, so that the detection signal DE is transmitted from the pin Pin31 of the second connection module 124 to the pin Pin3N, accordingly , the control module 140 can receive the detection signal DE sent back from the pin Pin3N of the second connection module 124 through the pin Pin4N of the second cable 134. At this time, the control module 140 generates the enable signal EN according to the detection signal DE, And provide the input voltage Vin to the power chip 143 according to the enable signal EN.

FIG. 3 is a detailed circuit schematic diagram illustrating an enabling circuit 142 as shown in FIG. 1 according to an embodiment of the present invention. As shown in the figure, the enabling circuit 142 includes a switch T1 and a control unit T2. The first end S of the switch T1 is used to receive the input voltage Vin, and is coupled to a resistor-capacitor (RC) circuit, and the second end D of the switch T1 is coupled to the power chip 143 . The control unit T2 is coupled to the control terminal G of the switch T1. The control unit T2 turns on the switch T1 according to the enable signal EN, so that the switch T1 provides the output voltage Vout to the power chip 143 according to the input voltage Vin. In addition, the first terminal D of the control unit T2 is coupled to the control terminal G of the switch T1, the control terminal G of the control unit T2 is used to receive the enable signal EN, and the second terminal S of the control unit T2 is grounded through the resistor R.

In one embodiment, the detection module 145 shown in FIG. 1 includes a first detection circuit 144 and a second detection circuit 146 , which are respectively shown in FIG. 4 and FIG. 5 and described as follows. FIG. 4 is a detailed circuit diagram illustrating a detection circuit as shown in FIG. 1 according to an embodiment of the present invention. As shown in the figure, the first detection circuit 144 is used to receive and return the detection signal DE according to the pin Pin3N (refer to FIG. 2B ) of the second connection module 124 to output the enable signal EN. In one embodiment, the first detection circuit 144 includes a switch T1 and a control unit T2. The first terminal S of the switch T1 is used to receive the detection signal DE, and the second terminal D of the switch T1 is coupled to the enabling circuit 142 . The control unit T2 is coupled to the control terminal G of the switch T1, and the control unit T2 turns on the switch T1 according to the detection signal DE sent back from the pin Pin3N of the second connection module 124 (see FIG. 2B ), so that the switch T1 outputs a detection signal. The signal DE serves as the enable signal EN. In addition, the first terminal D of the control unit T2 is coupled to the control terminal G of the switch T1, the control terminal G of the control unit T2 is used to receive the detection signal DE, and is coupled to a resistor-capacitor (RC) circuit, the control unit T2 The second end S of the resistor R is grounded.

FIG. 5 is a detailed circuit diagram illustrating a detection circuit as shown in FIG. 1 according to an embodiment of the present invention. As shown in the figure, the second detection circuit 146 is used to receive the detection signal DE returned from the pin Pin1N of the first connection module 122 (see FIG. 2B ), and transmit the detection signal DE to the pin Pin31 of the second connection module 124. (see Figure 2B). In one embodiment, the second detection circuit 146 includes a switch T1 and a control unit T2. The first terminal S of the switch T1 is used to receive the detection signal DE sent back from the pin Pin1N (see FIG. 2B ) of the first connection module 122 , and the second terminal D of the switch T1 is coupled to the pin of the second connection module 124 Pin31 (see Figure 2B). The control unit T2 is coupled to the control terminal G of the switch T1, and the control unit T2 turns on the switch T1 according to the detection signal DE sent back from the pin Pin1N of the first connection module 122 (see FIG. 2B ), so that the switch T1 outputs a detection signal. The signal DE is connected to the pin Pin31 of the second connection module 124 (refer to FIG. 2B ). In addition, the first terminal D of the control unit T2 is coupled to the control terminal G of the switch T1, the control terminal G of the control unit T2 is used to receive the detection signal DE, and is coupled to a resistor-capacitor (RC) circuit, the control unit T2 The second end S of the resistor R is grounded.

FIG. 6 is a detailed circuit schematic diagram illustrating a protection circuit as shown in FIG. 1 according to an embodiment of the present invention. As shown in the figure, the protection circuit 148 includes a switch T1 and a control unit T2. The first terminal S of the switch T1 is used to receive the protection signal EP, and the second terminal D of the switch T1 is coupled to the enabling circuit 142 . The control unit T2 is coupled to the control terminal G of the switch T1, and the control unit T2 turns on the switch T1 according to the protection signal EP, so that the switch T1 outputs the protection signal EP to become the enable signal EN. If the control terminal G of the switch T1 receives the detection signal DE, the switch T1 is closed according to the detection signal DE to stop outputting the enable signal EN. In addition, the first terminal D of the control unit T2 is coupled to the control terminal G of the switch T1, the control terminal G of the control unit T2 is used to receive the protection signal EP, and the second terminal S of the control unit T2 is grounded through the resistor R.

In one embodiment, the embodiment of the present invention proposes a test method for testing the coupling status of the connection module and the cable set of the display device. The test method includes: connecting the cable set and the connection module; providing a The detection signal is sent to the control module; the detection signal is transmitted to the connection module through the cable group; and when the control module receives the detection signal returned by the connection module through the cable group as an enable signal, the control module provides input according to the enable signal Voltage to the power chip.

For easy understanding of the test method, please refer to FIG. 1 and FIG. 2A together. First, the cable set 130 and the connection module 120; provide a detection signal DE to the control module; the control module 140 transmits the detection signal DE to the pin Pin11 of the connection module 120 through the cable set 130 (see FIG. 2A); and When the control module 140 receives the detection signal DE returned by the pin Pin1N (see FIG. 2A ) of the connection module 120 through the cable set 130 and becomes the enable signal EN, the control module 140 provides the input voltage Vin according to the enable signal EN. Give the power chip 143.

In another embodiment, please refer to FIG. 1 , the test method further includes: after the control module 140 receives the input voltage Vin, it does not immediately provide the input voltage Vin to the power chip 143 until the control module 140 receives the enabling signal. After EN, the enable circuit 142 provides the input voltage Vin to the power chip 143 .

In yet another embodiment, please refer to FIG. 2B , the connection module 120 includes a first connection module 122 and a second connection module 124 . The first connection module 122 includes a plurality of pins Pin11-Pin1N, and the pin Pin11 and the pin Pin1N are respectively arranged on opposite sides of the first connection module 122, but not limited thereto, and the pin Pin11 of the first connection module 122 can be But it is not limited to be directly electrically coupled to the pin Pin1N of the first connection module 122 . The second connection module 124 includes a plurality of pins Pin31-Pin3N, and the pins Pin31 and Pin3N are respectively arranged on opposite sides of the second connection module 124, but not limited thereto, and the pin Pin31 of the second connection module 124 can be But it is not limited to be directly electrically coupled to the pin Pin3N of the second connection module 124 . The above test method includes: when the control module 140 receives the detection signal DE, the control module 140 transmits the detection signal DE to the pin Pin11 of the first connecting module 122 through the first cable 132, and when the control module 140 passes the first cable 132 receives the detection signal DE sent back from the pin Pin1N of the first connection module 122, then the control module 140 transmits the detection signal DE to the pin Pin31 of the second connection module 124 through the second cable 134, when the control module 140 The detection signal DE returned by the pin Pin3N of the second connection module 124 is received through the second cable 134 as the enable signal EN, and the control module 140 provides the input voltage Vin to the power chip 143 according to the enable signal EN.

It can be known from the above embodiments of the present invention that the application of the present invention has the following advantages. The embodiment of the present invention provides a method for testing a display device, so as to improve the problems caused by abnormal coupling between the cable and the connection module (for example, the pins of the cable and the connection module are inserted obliquely) when testing the function of the display device. A problem that causes voltage to be supplied to the wrong pin, resulting in product damage.

Although the specific embodiments of the present invention have been disclosed in the above embodiments, they are not intended to limit the present invention. Those with ordinary knowledge in the technical field of the present invention, without departing from the principle and spirit of the present invention, may Various alterations and modifications can be made to it, so the protection scope of the present invention should be defined by the appended patent scope.

Claims (14)

1. a kind of display device, which is characterized in that include：

One display panel；

An at least link block is coupled to the display panel, and wherein the link block includes multiple foot positions, and the plurality of foot position includes One input pin position and an output pin position, and the input pin position is electrically coupled to the output pin position；And

One control module, to receive a detection signal and an input voltage, wherein when the control module receives detection letter Number, then the control module by the detection signal being sent to the input pin position and when the control module receives the output The detection signal of foot position passback, then the control module give a power supply brilliant to provide the input voltage according to the detection signal of passback Piece.

2. display device according to claim 1, which is characterized in that an at least winding displacement group is additionally comprised, to be coupled to this Between an at least link block and the control module.

3. display device according to claim 2, which is characterized in that the control module includes：

One enable circuit, to receive the input voltage, wherein the enable circuit is electric to provide the input according to an enable signal Pressure gives the power wafers.

4. display device according to claim 3, which is characterized in that the enable circuit includes：

One switch, for first end to receive the input voltage, second end is coupled to the power wafers；And

One control unit is coupled to the switch, wherein the control unit according to the enable signal to open the switch so that this is opened It closes and the power wafers is given to provide the output voltage according to the input voltage.

5. display device according to claim 3, which is characterized in that the control module further includes：

One first detection circuit, to receive and according to the output pin position of the link block return the detection signal, with defeated Go out the detection signal as the enable signal.

6. display device according to claim 5, which is characterized in that first detection circuit includes：

One switch, for first end to receive the detection signal, second end is coupled to the enable circuit；And

One control unit, is coupled to the switch, and the wherein control unit is according to the detection signal that the output pin position returns to open The switch is opened, so that the switch exports the detection signal to become the enable signal.

7. display device according to claim 5 a, which is characterized in that at least link block includes for this：

One first link block, is coupled to the display panel, has the input pin position and the output pin position；And

One second link block, is coupled to the display panel, and wherein second link block includes multiple foot positions, the plurality of foot position Comprising one second input pin position and one second output pin position, and the second input pin position is electrically coupled to the second output pin position.

8. display device according to claim 7, which is characterized in that the control module further includes：

One protection circuit to receive the detection signal and a protection signal, and is believed according to the protection signal with exporting the enable Number, wherein when the protection circuit receives the detection signal, then the protection circuit is second defeated to this to transmit the detection signal Enter foot position and stop exporting the enable signal.

9. display device according to claim 8, which is characterized in that the protection circuit includes：

One switch, for first end to receive the protection signal, second end is coupled to the enable circuit；And

One control unit is coupled to the switch, wherein the control unit according to the protection signal to open the switch so that this is opened It closes and exports the protection signal to become the enable signal, if wherein the switch receives the detection signal, the switch is according to this It detects signal and closes.

10. display device according to claim 8, which is characterized in that the control module further includes：

One second detection circuit to receive the detection signal of the output pin position of first link block passback, and is transferred The detection signal is to the second input pin position of second link block.

11. display device according to claim 10, which is characterized in that second detection circuit includes：

One switch, for first end to receive the detection signal of output pin position passback, second end is coupled to second company The second input pin position of connection module；And

One control unit, is coupled to the switch, and the wherein control unit is according to the detection signal that the output pin position returns to open The switch is opened, so that the switch exports the detection signal to the second input pin position of second link block.

12. display device according to claim 7, which is characterized in that at least a winding displacement group includes for this：

One first winding displacement, comprising multiple foot positions, the plurality of foot position includes one first input pin position and one first output pin position, wherein The first input pin position of first winding displacement is being coupled to the input pin position of first link block, and first winding displacement The first output pin position is being coupled to the output pin position of first link block；And

One second winding displacement, comprising multiple foot positions, the plurality of foot position includes one second input pin position and one second output pin position, wherein The second input pin position of second winding displacement is to be coupled to the second input pin position of second link block, and the second row The second output pin position of line is being coupled to the second output pin position of second link block.

13. a kind of test method, which is characterized in that the coupling shape of the link block and a winding displacement group of test display apparatus Condition, the wherein test method include：

Connect the winding displacement group and the link block；

A detection signal is provided to a control module, which couples the winding displacement group；

The detection signal is sent to the link block by the winding displacement group；And

When the control module by the winding displacement group receive the link block return the detection signal become an enable signal, then The control module gives a power wafers according to the enable signal to provide an input voltage.

14. test method according to claim 13, which is characterized in that the control module is in receiving the input voltage Afterwards, the power wafers are given to provide the input voltage according to the enable signal.