CN215575994U

CN215575994U - IPS screen silver thick liquid detection device

Info

Publication number: CN215575994U
Application number: CN202121305621.2U
Authority: CN
Inventors: 陈春红; 舒小福; 宣洪权
Original assignee: Giantpower Enterprise Co ltd
Current assignee: Giantpower Enterprise Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-01-18
Anticipated expiration: 2031-06-11

Abstract

The utility model discloses an IPS screen silver paste detection device, which comprises an IPS screen, an FPC (flexible printed circuit) arranged at one end of the IPS screen, a test circuit board electrically connected to the FPC, and a Light Emitting Diode (LED) electrically connected to the test circuit board and the IPS screen respectively, wherein an upper glass layer is arranged on the IPS screen, a conductive ITO layer is plated on the upper glass layer, and the ITO layer is conducted with a ground wire of the FPC through silver paste; and a detection closed loop is formed among the test circuit board, the light-emitting diode, the ITO layer, the silver paste and the FPC. The IPS display screen silver paste detection device provided by the utility model can conveniently and rapidly detect the conduction condition of silver paste in the IPS screen, and is convenient to operate, so that the display effect of the IPS screen and the overall quality of a product are ensured, and the reliability of the product is improved.

Description

IPS screen silver thick liquid detection device

Technical Field

The utility model relates to the field of display screen detection, in particular to an IPS screen silver paste detection device.

Background

The IPS (In-Plane Switching) technology is a liquid crystal panel technology introduced In 2001 by hitachi corporation, commonly known as "Super TFT". Based on IPS screen under this kind of technique in order to avoid producing static and influence its display effect in production and use, generally can plate a layer of electrically conductive ITO layer on its upper glass surface, this ITO layer is connected through point silver thick liquid and FPC's ground wire to the static of realization on with the IPS display screen is derived, makes the IPS display screen can normal use.

And there is not more convenient detection device to test the condition of switching on of IPS display screen silver thick liquid on the market at present, makes in actual production, and the production side can not detect out effectively whether the point silver thick liquid is connected ITO layer and FPC on the ground wire to the IPS screen that leads to the output shows the not good condition, has reduced the overall quality of product.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages, an object of the present invention is to provide a device for detecting silver paste of an IPS display screen, which can conveniently and quickly detect the conduction condition of the silver paste in the IPS display screen, and is convenient and fast to operate, thereby ensuring the display effect of the IPS display screen and the overall quality of the product, and improving the reliability of the product.

The technical scheme adopted by the utility model to achieve the aim is as follows:

an IPS screen silver paste detection device comprises an IPS screen, an FPC (flexible printed circuit) arranged at one end of the IPS screen, a test circuit board electrically connected to the FPC, and a Light Emitting Diode (LED) electrically connected to the test circuit board and the IPS screen respectively, wherein an upper glass layer is arranged on the IPS screen, a conductive ITO layer is plated on the upper glass layer, and the ITO layer is conducted with the FPC through silver paste; and a detection closed loop is formed among the test circuit board, the light-emitting diode, the ITO layer, the silver paste and the FPC.

Further, still be provided with a glass layer below last glass layer on the IPS screen, FPC sets up in the one end on glass layer down.

Further, the light emitting diode is electrically connected to the upper glass layer of the IPS screen.

Further, the device also comprises an operation platform, wherein a placing groove is formed in the operation platform, and the IPS screen and the FPC are placed on the placing groove.

Further, the test circuit board is arranged on the operating platform.

Furthermore, the test device also comprises a test pen electrically connected with the test circuit board, and the light emitting diode is arranged on the test pen.

Furthermore, the detection pen comprises a pen point and a pen body, the light emitting diode is arranged in the pen body, the pen point is a metal probe, and the pen body is an insulating pen body.

The utility model has the beneficial effects that:

(1) through setting up an IPS screen, set up in an FPC of IPS screen one end, the electricity connect in a test circuit board of FPC, and connect in the emitting diode of test circuit board and IPS screen in the electricity respectively, wherein, be provided with a glass layer on the IPS screen, it has a conductive ITO layer to plate on the glass layer to go up, switch on through silver thick liquid between ITO layer and the FPC. A detection closed loop is formed among the test circuit board, the light-emitting diode, the ITO layer, the silver paste and the FPC, and therefore the purpose of detecting the conduction condition of the silver paste is achieved. When the silver paste on the IPS screen is effectively connected with the ITO layer and the ground wire on the FPC, a detection closed loop is formed among the test circuit board, the light-emitting diode, the ITO layer, the silver paste and the FPC, and the light-emitting diode is lighted. When the IPS screen is not touched with silver paste or the silver paste is poor in conduction condition, a loop between the test circuit board, the light-emitting diode, the ITO layer, the silver paste and the FPC is disconnected, the light-emitting diode is not bright, the conduction effect of the silver paste can be obtained by observing the lighting condition of the light-emitting diode, the operation is simple, convenient and fast, the display effect of the IPS screen and the overall quality of a product are guaranteed, and the reliability of the product is improved.

(2) Through setting up an operation platform, and set up a standing groove on the operation platform, the IPS screen with FPC places on this standing groove to conveniently fix IPS screen and FPC's position, prevent that IPS screen and FPC slide when examining and lead to the detection effect not good.

(3) Connect in a test circuit board's a detection pen through setting up the electricity, it includes a nib and a body to detect the pen, emitting diode sets up in this body, the nib is the metal probe, a body is insulating to make things convenient for operating personnel just can detect the ground wire on inside silver thick liquid effective connection ITO layer and the FPC when touching the last glass layer of IPS screen through the nib that uses this detection pen, and its convenient operation is swift.

The above is an overview of the technical solution of the present invention, and the present invention is further explained with reference to the accompanying drawings and the detailed description.

Drawings

Fig. 1 is a circuit diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

In the figure: 1. an IPS screen; 11. an upper glass layer; 12. an ITO layer; 13. silver paste; 14. a lower glass layer; 2. FPC; 21. a ground wire; 3. testing the circuit board; 4. a light emitting diode; 5. an operating platform; 51. a placement groove; 6. a detection pen; 61. a pen point; 62. a pen body; 7. an electric outlet.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined purposes, the following detailed description of the embodiments of the present invention is provided with the accompanying drawings and the preferred embodiments.

Referring to fig. 1 to 2, an embodiment of the present invention provides an IPS screen silver paste detection apparatus, including an IPS screen 1, an FPC 2 disposed at one end of the IPS screen 1, a test circuit board 3 electrically connected to the FPC 2, and a light emitting diode 4 electrically connected to the test circuit board 3 and the IPS screen 1, wherein the IPS screen 1 is provided with an upper glass layer 11, the upper glass layer 11 is plated with an electrically conductive ITO layer 12, and the ITO layer 12 is electrically connected to the FPC 2 through silver paste 14; and a detection closed loop is formed among the test circuit board 3, the light-emitting diode 4, the ITO layer 12, the silver paste 14 and the FPC 2. The test circuit board 3 functions to divide and supply power in detecting a closed circuit. The test circuit board 3 is a circuit board for detection and voltage division which is conventional in the art.

Through setting up form between test line board 3, emitting diode 4, ITO layer 12, silver thick liquid 14 and the FPC 2 and detect closed circuit to the purpose of the condition is switched on to the realization detection silver thick liquid 14. When the silver paste 14 on the IPS screen 1 is effectively and electrically connected with the ITO layer 12 and the ground wire 21 on the FPC 2, a detection closed loop is formed among the test circuit board 3, the light-emitting diode 4, the ITO layer 12, the silver paste 14 and the FPC 2, and the light-emitting diode 4 is lighted. When the silver paste 14 is not dotted or the silver paste 14 is not conducted well on the IPS screen 1, a loop among the test circuit board 3, the light-emitting diode 4, the ITO layer 12, the silver paste 14 and the FPC 2 is disconnected, and the light-emitting diode 4 is not bright. Whether this emitting diode 4 lights can obtain the effect of switching on of silver thick liquid 14 through observing, its easy operation and convenient and fast to guarantee the display effect of IPS screen 1 and the whole quality of product, improved the reliability of product.

For the specific connection mode of the FPC 2 and the IPS screen 1, a lower glass layer 14 positioned below the upper glass layer 11 is further arranged on the IPS screen 1, and the FPC 2 is arranged at one end of the lower glass layer 14. Silver thick liquid 13 runs through between last glass layer 11 and lower glass layer 14, switches on setting up ITO layer 12 on last glass layer 11 and the FPC 2 that sets up in glass layer 14 one end down to the realization is on ITO layer 12 on the last glass of static follow on the IPS screen 1 leads FPC 2's ground wire, and then eliminates the static on the IPS screen 1, guarantees the display effect of IPS screen 1 and the overall quality of product, has improved the reliability of product.

For a specific connection of the light-emitting diode 4 to the IPS screen 1, the light-emitting diode 4 is electrically connected to the upper glass layer 11 of the IPS screen 1. The upper glass layer 11 of the IPS screen 1 is electrically connected through the light-emitting diode 4, specifically, the ITO layer 12 on the upper glass layer 11 is electrically connected, so that the detection loop is closed, the conduction effect of the silver paste 13 can be obtained conveniently and quickly by an operator from the light-up state of the light-emitting diode 4, and the detection efficiency is effectively improved.

In order to facilitate the use of the IPS screen silver paste detection device by an operator, the device further comprises an operation platform 5, a placing groove 51 is formed in the operation platform 5, and the IPS screen 1 and the FPC 2 are placed on the placing groove 51. Through setting up operation platform 5 and setting up on this operation platform 5 with IPS screen 1 and FPC 2 size assorted standing groove 51, make IPS screen 1 and FPC 2 can simply and conveniently fix on operation platform 5 to make things convenient for operating personnel to detect, improved the efficiency that detects.

For the specific connection mode of the light-emitting diode 4 and the upper glass layer 11, the IPS screen silver paste detection device further comprises a detection pen 6 electrically connected to the test circuit board 3, and the light-emitting diode 4 is arranged on the detection pen 6. When the detection pen 6 contacts the upper glass layer 11 of the IPS screen 1 and the silver paste 13 is effectively connected with the ITO layer 12 and the ground wire 21 on the FPC 2, a detection closed loop is formed among the test circuit board 3, the light-emitting diode 4, the ITO layer 12, the silver paste 13 and the FPC 2, and the light-emitting diode 4 is lighted. When any one of the above conditions is not met (for example, the detection pen 6 is not in contact with the upper glass layer 11 of the IPS screen 1, or the silver paste 13 is not in place, or the conduction condition of the silver paste 13 is poor), the light emitting diode 4 arranged in the detection pen 6 is not bright, so that an operator can conveniently and quickly obtain the conduction effect of the silver paste 13 from the light-up state of the light emitting diode 4, the display effect of the IPS screen 1 and the overall quality of a product are further guaranteed, and the reliability of the product is improved.

For the specific structure of the detection pen 6, the detection pen 6 includes a pen point 61 and a pen body 62, the light emitting diode 4 is disposed in the pen body 62, the pen point 61 is a metal probe, and the pen body 62 is an insulating pen body. The body 62 is preferably an insulating and transparent material. Through setting up nib 61 into the metal probe, when the convenience touched the glass layer on the IPS screen at nib 61, the intercommunication circuit more easily realized the closure of circuit. Through setting up body 62 into insulating body, prevent that operating personnel from electrocuteeing when using detection pen 6, guaranteed operating personnel's life safety, and its transparent material makes things convenient for operating personnel to see through the luminous condition that body 62 sees inside emitting diode 4 to learn silver thick liquid 13's the condition of switching on, further improved the efficiency that detects.

For the power-on mode of the test circuit board 3, a detachable power socket 7 is electrically connected to the test circuit board 3, and the power socket 7 supplies power to the test circuit board 3, so that the IPS screen 1 connected to the test circuit board 3 is driven, normal operation of a closed loop is guaranteed, and detection efficiency is improved.

It should be noted that, the IPS screen silver paste detection apparatus disclosed in the present invention is an improvement on a specific structure, and a specific control manner is not an innovative point of the present invention. The IPS screen, ITO layer, FPC, light emitting diode, silver paste and other components involved in the present invention may be general standard components or components known to those skilled in the art, and the structure, principle and control method thereof are known to those skilled in the art through technical manuals or through conventional experimental methods.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that other structures obtained by using the same or similar technical features as the above-described embodiments of the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides an IPS screen silver thick liquid detection device which characterized in that: the LED display screen comprises an IPS screen, an FPC (flexible printed circuit) arranged at one end of the IPS screen, a test circuit board electrically connected to the FPC, and a light emitting diode electrically connected to the test circuit board and the IPS screen respectively, wherein an upper glass layer is arranged on the IPS screen, a conductive ITO layer is plated on the upper glass layer, and the ITO layer is conducted with a ground wire of the FPC through silver paste; and a detection closed loop is formed among the test circuit board, the light-emitting diode, the ITO layer, the silver paste and the FPC.

2. The IPS screen silver paste detection device of claim 1, which is characterized in that: still be provided with a glass layer down that is located the glass layer below on the IPS screen, FPC sets up in the one end on glass layer down.

3. The IPS screen silver paste detection device of claim 1, which is characterized in that: the light emitting diode is electrically connected with the upper glass layer of the IPS screen.

4. The IPS screen silver paste detection device of any one of claims 1-3, wherein: the flexible printed circuit board is characterized by further comprising an operating platform, wherein a placing groove is formed in the operating platform, and the IPS screen and the FPC are placed on the placing groove.

5. The IPS screen silver paste detection device of claim 4, wherein: the test circuit board is arranged on the operating platform.

6. The IPS screen silver paste detection device of claim 4, wherein: the test device also comprises a test pen electrically connected with the test circuit board, and the light-emitting diode is arranged on the test pen.

7. The IPS screen silver paste detection device of claim 6, wherein: the detection pen comprises a pen point and a pen body, the light emitting diode is arranged in the pen body, the pen point is a metal probe, and the pen body is an insulating pen body.