CN111856794A - Liquid crystal display assembly inspection device - Google Patents

Abstract

An apparatus for inspecting a liquid crystal display device, comprising: the upper surface of the fixed base is provided with a first positioning seat, a second positioning seat and a third positioning seat, wherein the first positioning seat is provided with a first positioning groove, the second positioning seat is provided with a second positioning groove, and the third positioning seat is provided with a third positioning groove; the pressing module is arranged on the upper surface of the fixed base and comprises a fixed plate, a handle, a movable rotating shaft, a pressing plate and a detection probe, wherein the movable rotating shaft is arranged on the fixed plate, the handle is arranged at the upper end of the movable rotating shaft, the pressing plate is arranged at the lower end of the movable rotating shaft, and the detection probe is arranged at the bottom of the pressing plate; and the connecting module comprises a connector, a control switch, a signal conversion circuit and a plurality of connecting wires, and the connecting wires are connected with the detection probe. The detection device for the liquid crystal display assembly greatly improves the detection efficiency of the liquid crystal display assembly.

Description

Liquid crystal display assembly inspection device

【Technical field】

The invention relates to a detection device, in particular to a detection device of a liquid crystal display assembly.

【Background technique】

Please refer to FIG. 1 , which is a schematic structural diagram of a liquid crystal display assembly. The LCD assembly 100 includes a LCD body 110 , a flexible circuit board module 120 and a Pogo Pin connector 130 , wherein the flexible circuit board module 120 is connected to the LCD body 110 and the connector 130 respectively. The liquid crystal display assembly 100 should be tested for performance before being assembled to the electronic equipment, so as to prevent the liquid crystal display assembly 100 with tin connection or disconnection from being installed in the electronic equipment and the poor performance of the molding electronic equipment. The current practice is to use the probe of the testing instrument to measure whether there is tin connection or open circuit between the connection points of the liquid crystal display assembly 100 . However, due to the small distance between each connection point, it is not easy to measure using a probe, resulting in extremely low detection efficiency at present, which cannot meet the current detection needs.

In order to solve this problem, the present invention provides a liquid crystal display component detection device, which is used for performing performance detection on the liquid crystal display component, so as to improve the current detection efficiency.

[Content of the invention]

Therefore, in order to achieve the above-mentioned purpose, the present invention provides a liquid crystal display component testing device for performing performance testing on a liquid crystal display component. The liquid crystal display component includes a liquid crystal display body, a flexible circuit board module and a Pogo Pin The connector, the liquid crystal display assembly detection device includes:

A fixed base, a first positioning seat, a second positioning seat and a third positioning seat are arranged on the upper surface of the base, wherein a first positioning groove is arranged in the first positioning seat, and a first positioning slot is arranged in the second positioning seat a second positioning groove, a third positioning groove is set in the third positioning seat;

A pressing module is disposed on the upper surface of the fixed base. The pressing module includes a fixing plate, a handle, a movable rotating shaft, a pressing plate and a detection probe, wherein the movable rotating shaft is disposed on the fixing plate the handle is arranged on the upper end of the movable shaft, the lower end of the movable shaft is arranged with the pressing plate, and the bottom of the pressing plate is arranged with the detection probe;

A connection module, which is arranged on the upper surface of the fixed base, the connection module includes a connection head, a control switch, a signal conversion circuit and a plurality of connection wires, and the plurality of connection wires are connected with the detection probe , the control switch controls the opening and closing of the circuit connection module.

Optionally, the first positioning base and the second positioning base are laid flat on the fixed base, and the third positioning base is vertically arranged on the fixed base.

Optionally, the shape of the first positioning slot is consistent with the Pogo Pin connector, the shape of the second positioning slot is consistent with the flexible circuit board module, and the thickness of the third positioning slot is the same as that of the flexible circuit board module. The liquid crystal display body is the same.

Optionally, the detection probe is provided with several detection probes, and the several detection probes correspond to the positions of the connection contacts of the PogoPin connector one-to-one.

Optionally, the connector of the connection module is a USB connector.

Using the liquid crystal display assembly detection device provided by the present invention, the liquid crystal display assembly is first positioned and fixed through the first positioning seat, the second positioning seat and the third positioning seat on the fixed base, and then the connection module is connected to the connection module through the pressing module. The flexible circuit board module on the liquid crystal display assembly is connected and turned on, and finally it is judged whether the performance of the liquid crystal display assembly is qualified through the pattern display status of the liquid crystal display body. The liquid crystal display component detection device of the present invention is convenient to use, not only saves time and labor, but also greatly improves the detection efficiency, and can also perform detection without assembling the correct liquid crystal display component detection device, thereby avoiding damage to the liquid crystal display component detection device. .

【Description of drawings】

FIG. 1 is a schematic structural diagram of a liquid crystal display device.

FIG. 2 is a schematic diagram of the structure of the liquid crystal display component detection device of the present invention.

FIG. 3 is a schematic diagram of a partial structure of the liquid crystal display component detection device of the present invention.

FIG. 4 is a schematic structural diagram of a first detection state of the liquid crystal display component detection device of the present invention.

FIG. 5 is a schematic structural diagram of a second detection state of the liquid crystal display component detection device of the present invention.

【Detailed ways】

The detailed description and technical content of the present invention will be described below with the accompanying drawings. However, the accompanying drawings are only used for illustration purposes and are not intended to limit the present invention. In order to further illustrate the technical means adopted by the present invention and its effects, a detailed description is given below in conjunction with a preferred embodiment of the present invention and the accompanying drawings.

Please refer to FIG. 2 and FIG. 3 , FIG. 2 is a schematic diagram of the structure of the liquid crystal display component detection device of the present invention, and FIG. 3 is a partial structure schematic diagram of the liquid crystal display component detection device of the present invention. A liquid crystal display assembly testing device 200 provided by the present invention is used for performance testing of a liquid crystal display assembly 100 , and the liquid crystal display assembly 100 includes a liquid crystal display body 110 , a flexible circuit board module 120 and a Pogo Pin connector 130, several connection contacts are set on the Pogo Pin connector 130, and the liquid crystal display assembly detection device 200 includes:

A fixed base 210 is provided with a first positioning seat 211, a second positioning seat 212 and a third positioning seat 213 on its upper surface, wherein a first positioning groove 2111 is set in the first positioning seat 211, and the first positioning seat 211 is A second positioning slot 2121 is set in the two positioning seats 212, and a third positioning slot 2131 is set in the third positioning seat 213;

A pressing module 220 is disposed on the upper surface of the fixed base 210 . The pressing module 220 includes a fixing plate 221 , a handle 222 , a movable shaft 223 , a pressing plate 224 and a detection probe 225 , wherein the The movable shaft 223 is arranged on the fixed plate 221 , the handle 222 is arranged on the upper end of the movable shaft 223 , the lower end of the movable shaft 223 is provided with the pressing plate 224 , and the bottom of the pressing plate 224 is provided with the detection probe 225;

A connection module 230 is disposed on the upper surface of the fixed base 210. The connection module 230 includes a connection head, a control switch (not shown), a signal conversion circuit and a plurality of connection wires 232. The connection wire 232 is connected to the detection probe 225 , and the control switch (not shown) controls the opening and closing of the circuit connection module 230 .

In this embodiment, the first positioning seat 211 and the second positioning seat 212 are laid flat on the fixing base 210 , and the third positioning seat 213 is vertically disposed on the fixing base 210 .

In this embodiment, the shape of the first positioning slot 2111 is consistent with the Pogo Pin connector 130 , the shape of the second positioning slot 2121 is consistent with the flexible circuit board module 120 , the third The thickness of the positioning groove 2131 is the same as that of the liquid crystal display body 110, so as to facilitate the fixing of the liquid crystal display assembly 100 and prevent it from shaking during detection.

In this embodiment, a plurality of detection probes 226 are disposed on the detection probe 225 , and the positions of the plurality of detection probes 226 correspond to the positions of the plurality of connection contacts of the Pogo Pin connector 130 one-to-one.

In this embodiment, the connection head of the connection module 230 is a USB connection head, and a USB signal is generated to the liquid crystal display assembly 100 through the USB connection head, and the liquid crystal display assembly 100 receives this USB signal and then The liquid crystal display body 110 displays.

Please refer to FIG. 4 . FIG. 4 is a schematic structural diagram of the first detection state of the liquid crystal display component detection device of the present invention.

In this embodiment, the Pogo Pin connector 130 of the liquid crystal display assembly 100 is first placed in the first positioning groove 2111, the flexible circuit board module 120 is placed in the second positioning groove 2121, and the liquid crystal display body 110 is placed in the third positioning groove. In the third positioning groove 2131 in the seat 213, the handle 222 of the pressing module 220 is pressed down, and the pressing plate 224 and the detection probe 225 are also moved downward by the movable shaft 223 until the several The detection probes 226 are connected to the plurality of connection contacts of the Pogo Pin connector 130 in a one-to-one correspondence.

Please refer to FIG. 5 . FIG. 5 is a schematic structural diagram of the second detection state of the liquid crystal display component detection device of the present invention.

In this embodiment, after a plurality of detection probes 226 under the detection probe 225 are connected to a plurality of connection contacts of the Pogo Pin connector 130, a signal generator is connected to the connector of the connection module 230, and then Turn on the control switch (not shown) to activate the circuit connection module 230, so that it transmits the signal of the signal generator to the middle LCD body 110, and finally judges whether the performance of the LCD assembly is qualified through the pattern display status of the LCD body 110.

Compared with the prior art, using the liquid crystal display assembly detection device 200 provided by the present invention, the liquid crystal display assembly 100 is first inspected by the first positioning seat 211 , the second positioning seat 212 and the third positioning seat 213 on the fixed base 210 . After positioning and fixing, the connection module 230 is connected to the flexible circuit board module 120 on the liquid crystal display assembly 100 through the pressing module 220. Finally, it is judged whether the performance of the liquid crystal display assembly 100 is qualified through the pattern display status of the liquid crystal display body 110. The liquid crystal display assembly detection device 200 of the present invention is easy to use, not only saves time and effort, but also greatly improves the detection efficiency, and can also perform inspection without assembling the correct liquid crystal display assembly 100 , thereby avoiding damage to the liquid crystal display assembly 100 .

It should be pointed out that the present invention is not limited to the above-mentioned embodiments, and any simple modifications, equivalent changes and modifications made by any person skilled in the art to the above-mentioned embodiments based on the technical solutions of the present invention all fall into the protection scope of the present invention.

Claims (5)

1. A liquid crystal display assembly detection device for performing performance detection on a liquid crystal display assembly, the liquid crystal display assembly comprising a liquid crystal display body, a flexible circuit board module and a Pogo Pin connector, it is characterized in that the liquid crystal display assembly is The display assembly detection device includes: A fixed base, a first positioning seat, a second positioning seat and a third positioning seat are arranged on the upper surface of the base, wherein a first positioning groove is arranged in the first positioning seat, and a first positioning slot is arranged in the second positioning seat a second positioning groove, a third positioning groove is set in the third positioning seat; A pressing module is disposed on the upper surface of the fixed base. The pressing module includes a fixing plate, a handle, a movable rotating shaft, a pressing plate and a detection probe, wherein the movable rotating shaft is disposed on the fixing plate the handle is arranged on the upper end of the movable shaft, the lower end of the movable shaft is arranged with the pressing plate, and the bottom of the pressing plate is arranged with the detection probe; A connection module, which is arranged on the upper surface of the fixed base, the connection module includes a connection head, a control switch, a signal conversion circuit and a plurality of connection wires, and the plurality of connection wires are connected with the detection probe , the control switch controls the opening and closing of the circuit connection module. 2 . The liquid crystal display assembly detection device according to claim 1 , wherein the first positioning seat and the second positioning seat are laid flat on the fixed base, and the third positioning seat is vertically arranged. 3 . on the fixed base. 3 . The liquid crystal display assembly detection device according to claim 1 , wherein the shape of the first positioning groove is consistent with that of the Pogo Pin connector, and the shape of the second positioning groove is the same as that of the flexible circuit. 4 . The thickness of the third positioning groove is the same as that of the liquid crystal display body. 4 . The liquid crystal display assembly detection device according to claim 1 , wherein a plurality of detection probes are provided on the detection probe, and the plurality of detection probes are connected to the connection contacts of the Pogo Pin connector. 5 . one-to-one correspondence. 5 . The liquid crystal display assembly detection device according to claim 1 , wherein the connector of the connection module is a USB connector. 6 .

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