Structure for improving antistatic property of TFT (Thin Film Transistor) display module

Abstract

The utility model discloses a structure for improving the static electricity resistance of a TFT display module, which comprises a display screen body, the display screen body comprises an upper polaroid, upper layer glass, lower layer glass and a lower polaroid which are arranged in sequence, one side, facing the upper layer glass, of the lower layer glass is bound with an FPC, and the side, facing the lower layer glass, of the lower layer glass is bound with the FPC. Conductive pieces used for guiding out static electricity are arranged between the upper layer glass and the FPC and between the lower layer glass and the FPC, and the conductive pieces are attached between the upper layer glass and the lower layer glass and between the lower layer glass and the FPC. The anti-static structure has the effect of guiding out static electricity more quickly when the static electricity exists in the display screen body.

Description

Technical Field

[0001] The utility model relates to the technical field of display modules, in particular to a structure for improving the antistatic properties of a TFT display module. Background Art

[0002] Liquid crystal display devices are widely used in various information, communication and consumer electronic products. Liquid crystal display modules are mainly composed of a liquid crystal display screen and a backlight module.

[0003] The current TFT display module is usually assembled by the upper glass and the lower glass. The upper glass is the color filter glass, and the lower glass is the array glass with the TFT circuit. The upper surface of the upper glass is generally plated with an ITO layer, which is connected to the GND trace on the lower glass through silver paste. The lower glass is bound with an FPC, and the lower glass is connected to the GND on the FPC through the binding position with the FPC to enhance the anti-static ability of the TFT display module. However, this anti-static method is often insufficient in anti-static ability and cannot meet the high ESD requirements of some automotive customers. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a structure for improving the antistatic properties of a TFT display module.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] A structure for improving the antistatic properties of a TFT display module, comprising: a display screen body (10), the display screen body (10) comprising an upper polarizer (11), an upper glass (12), a lower glass (13) and a lower polarizer (14) arranged in sequence, an FPC (40) being bound to the side of the lower glass (13) facing the upper glass (12), a conductive member for conducting static electricity is arranged between the upper glass (12), the lower glass (13) and the FPC (40), and the conductive member is attached between the upper glass (12) and the lower glass (13) and between the lower glass (13) and the FPC (40);

[0007] The size of the lower layer of glass (13) is larger than the size of the upper layer of glass (12); the FPC (40) is bound to the range of the lower layer of glass (13) beyond the upper layer of glass (12); and the conductive member is attached to the range of the lower layer of glass (13) beyond the upper layer of glass (12);

[0008] The conductive member comprises a first conductive part (50) and a second conductive part (60), wherein the first conductive part (50) covers the right side of the lower layer of glass (13) beyond the range of the upper layer of glass (12), and the two sides of the first conductive part (50) are respectively in contact with the right side edge of the upper layer of glass (12) and the right side edge of the lower layer of glass (13), and the second conductive part (60) covers the lower side of the lower layer of glass (13) beyond the range of the upper layer of glass (12), and the upper and lower sides of the second conductive part (60) are respectively in contact with the lower side edge of the upper layer of glass (12) and the lower side edge of the lower layer of glass (13);

[0009] A Source driver IC (20) and a Gate driver IC (30) are bound to a side of the lower layer of glass (13) facing the upper layer of glass (12), and the first conductive portion (50) and the second conductive portion (60) respectively cover the surfaces of the Gate driver IC (30) and the Source driver IC (20);

[0010] A connecting portion (61) for achieving electrical connection with the FPC (40) extends downward from the middle of the second conductive portion (60).

[0011] In one embodiment, the conductive member is a conductive cloth.

[0012] In one embodiment, one end of the first conductive part (50) and one end of the second conductive part (60) are in contact and conductive.

[0013] In one embodiment, the Source driver IC (20) is located near the lower edge of the lower glass (13), and the Gate driver IC (30) is located near the right edge of the lower glass (13).

[0014] In one embodiment, the connecting portion (61) and the second conductive portion (60) are integrally formed, and the connecting portion (61) extends downward along the length direction of the FPC (40).

[0015] In one embodiment, a ground leakage copper area (41) for conducting with the connecting portion (61) is provided on the FPC (40); the ground leakage copper area (41) is provided along a side edge of the connecting portion (61); and the connecting portion (61) is conducted with the ground leakage copper area (41).

[0016] In one embodiment, the conductive member is a conductive copper foil.

[0017] Compared with the prior art, the utility model has at least the following advantages:

[0018] 1. The utility model provides a structure for improving the anti-static property of a TFT display module, which realizes the conduction between the upper glass, the lower glass and the FPC by arranging a conductive member instead of silver paste. When static electricity passes through the display screen body, the upper glass and the lower glass are connected through the first conductive part and the second conductive part. The first conductive part transfers the static electricity of the display screen body to the second conductive part, and the second conductive part quickly guides the static electricity to the grounding copper leakage area on the FPC, so that the static electricity of the display screen body is discharged as soon as possible, so as to avoid the display screen body being damaged by static electricity.

[0019] 2. The utility model provides a structure for improving the antistatic property of a TFT display module by arranging a first conductive portion and a second conductive portion to cover the surface of a Gate driver IC and a Source driver IC respectively, so as to enhance the antistatic property of the Source driver IC and the Gate driver IC, thereby preventing the Source driver IC and the Gate driver IC from being damaged by static electricity. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below.

[0021] Figure 1 A schematic diagram of a structure for improving the anti-static properties of a TFT display module provided by the utility model;

[0022] Figure 2 A schematic diagram of the side structure of a structure for improving the antistatic properties of a TFT display module provided by the utility model;

[0023] Figure 3 The utility model provides a schematic structural diagram of a conductive member in a structure for improving the antistatic properties of a TFT display module.

[0024] Description of the drawings: 10. Display screen body; 11. Upper polarizer; 12. Upper glass; 13. Lower glass; 14. Lower polarizer; 20. Source driver IC; 30. Gate driver IC; 40. FPC; 41. Ground leakage copper area; 50. First conductive part; 60. Second conductive part; 61. Connecting part. DETAILED DESCRIPTION

[0025] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings.

[0026] Embodiment 1:

[0027] Reference Figure 1 and Figure 2 , a structure for improving the antistatic properties of TFT display modules, referring to Figure 1, including a display screen body 10, the display screen body 10 includes an upper polarizer 11, an upper glass 12, a lower glass 13 and a lower polarizer 14 arranged in sequence. The size of the lower glass 13 is larger than that of the upper glass 12, and the side of the lower glass 13 facing the upper glass 12 is bound with a Source driver IC 20 and a Gate driver IC 30, and the Source driver IC 20 and the Gate driver IC 30 are both located in the range of the lower glass 13 beyond the upper glass 12, and the Source driver IC 20 and the Gate driver IC 30 are respectively located on the two outer sides of the lower glass 13 relative to the upper glass 12. The Source driver IC 20 is located at a position of the lower glass 13 close to the lower edge, and the Gate driver IC 30 is located at a position of the lower glass 13 close to the right edge.

[0028] Reference Figure 1 The FPC 40 is bound to the side of the lower glass 13 facing the upper glass 12 , the FPC 40 is bound to the range of the lower glass 13 beyond the upper glass 12 , and the FPC 40 is bound to the bottom of the Source driver IC 20 .

[0029] Reference Figure 1 , a conductive member is provided in the range of the lower layer of glass 13 beyond the upper layer of glass 12, the conductive member is attached to the entire range of the lower layer of glass 13 beyond the upper layer of glass 12, and the conductive member is attached between the upper layer of glass 12 and the lower layer of glass 13 and between the lower layer of glass 13 and FPC40, so as to achieve conduction between the upper layer of glass 12, the lower layer of glass 13 and FPC40. In this embodiment, the conductive member is a conductive cloth, and the conductive member includes a first conductive part 50 and a second conductive part 60, wherein the first conductive part 50 is located in the right range of the lower layer of glass 13 relative to the upper layer of glass 12, and the first conductive part 50 covers the right side of the lower layer of glass 13 beyond the upper layer of glass 12. One side of the first conductive part 50 contacts the right edge of the upper layer of glass 12, and the other side of the first conductive part 50 is flush with the right edge of the lower layer of glass 13. The first conductive portion 50 connects the ITO shielding layer on the surface of the upper glass 12 to the GND trace on the lower glass 13 , and the first conductive portion 50 entirely covers the surface of the Gate driver IC 30 to enhance the antistatic capability of the Gate driver IC 30 .

[0030] Reference Figure 1 The second conductive part 60 is located in the lower side range of the lower glass 13 relative to the upper glass 12. The second conductive part 60 covers the lower side of the lower glass 13 beyond the upper glass 12. The upper side of the second conductive part 60 contacts the lower edge of the upper glass 12, and the lower edge of the second conductive part 60 contacts the lower edge of the lower glass 13.

[0031] Reference Figure 3, one end of the first conductive part 50 and the second conductive part 60 are in contact, and the first conductive part 50 and the second conductive part 60 are conductive. The first conductive part 50 and the second conductive part 60 are conductive to the Gate driver IC 30 and the Source driver IC 20 respectively, so as to facilitate the static electricity discharge inside the Source driver IC 20 and the Gate driver IC 30.

[0032] Reference Figure 1 and Figure 3 A connecting portion 61 for conducting with the FPC 40 extends from the middle of the second conductive portion 60. The connecting portion 61 is also made of conductive cloth. The connecting portion 61 and the second conductive portion 60 are integrally formed. The connecting portion 61 extends downward along the second conductive portion 60. The connecting portion 61 extends downward along the length direction of the FPC 40. The connecting portion 61 is similar in shape to the FPC 40. The connecting portion 61 is arranged along the inner side line of the FPC 40, and the size of the connecting portion 61 is smaller than that of the FPC 40.

[0033] Reference Figure 1 , a ground leakage copper area 41 for conducting with the connecting part 61 is provided on the FPC 40, and the ground leakage copper area 41 is provided along one side edge of the connecting part 61, and the connecting part 61 is conducted with the ground leakage copper area 41, thereby achieving conduction with the FPC 40. When static electricity passes through the display screen body 10, the upper glass 12 and the lower glass 13 are conducted through the first conductive part 50 and the second conductive part 60, and the first conductive part 50 transfers the static electricity of the display screen body 10 to the second conductive part 60, and the second conductive part 60 quickly guides the static electricity to the ground leakage copper area 41 on the FPC 40, so that the static electricity of the display screen body 10 can be better and faster conducted, so as to avoid the display screen body 10 from being damaged by static electricity, and the Source driver IC 20 and the Gate driver IC 30 are connected with the first conductive part 50 and the second conductive part 60, so as to simultaneously avoid the Source driver IC 20 and the Gate driver IC 30 from being damaged by static electricity.

[0034] Embodiment 2:

[0035] The difference between this embodiment and embodiment 1 is that the conductive member is different.

[0036] Reference Figure 1 , the conductive member is a conductive copper foil.

[0037] 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 structure for improving the antistatic properties of a TFT display module, characterized in that: include: A display screen body (10), the display screen body (10) comprising an upper polarizer (11), an upper layer of glass (12), a lower layer of glass (13) and a lower polarizer (14) arranged in sequence, the lower layer of glass (13) being bound with an FPC (40) on a side facing the upper layer of glass (12), a conductive member for conducting static electricity being arranged between the upper layer of glass (12), the lower layer of glass (13) and the FPC (40), the conductive member being attached between the upper layer of glass (12) and the lower layer of glass (13) and between the lower layer of glass (13) and the FPC (40); The size of the lower layer of glass (13) is larger than the size of the upper layer of glass (12); the FPC (40) is bound to the range of the lower layer of glass (13) beyond the upper layer of glass (12); and the conductive member is attached to the range of the lower layer of glass (13) beyond the upper layer of glass (12); The conductive member comprises a first conductive part (50) and a second conductive part (60), wherein the first conductive part (50) covers the right side of the lower layer of glass (13) beyond the range of the upper layer of glass (12), and the two sides of the first conductive part (50) are respectively in contact with the right side edge of the upper layer of glass (12) and the right side edge of the lower layer of glass (13), and the second conductive part (60) covers the lower side of the lower layer of glass (13) beyond the range of the upper layer of glass (12), and the upper and lower sides of the second conductive part (60) are respectively in contact with the lower side edge of the upper layer of glass (12) and the lower side edge of the lower layer of glass (13); A Source driver IC (20) and a Gate driver IC (30) are bound to a side of the lower layer of glass (13) facing the upper layer of glass (12), and the first conductive portion (50) and the second conductive portion (60) respectively cover the surfaces of the Gate driver IC (30) and the Source driver IC (20); A connecting portion (61) for achieving electrical connection with the FPC (40) extends downward from the middle of the second conductive portion (60).

2. The structure for improving the antistatic properties of a TFT display module according to claim 1, characterized in that: The conductive member is a conductive cloth.

3. The structure for improving the antistatic properties of a TFT display module according to claim 1, characterized in that: One end of the first conductive part (50) and one end of the second conductive part (60) are in contact and conductive.

4. The structure for improving the antistatic properties of a TFT display module according to claim 1, characterized in that: The Source driver IC (20) is located at a position close to the lower edge of the lower layer of glass (13), and the Gate driver IC (30) is located at a position close to the right edge of the lower layer of glass (13).

5. The structure for improving the antistatic properties of a TFT display module according to claim 1, characterized in that: The connecting portion (61) and the second conductive portion (60) are integrally formed, and the connecting portion (61) extends downward along the length direction of the FPC (40).

6. The structure for improving the antistatic properties of a TFT display module according to claim 5, characterized in that: The FPC (40) is provided with a ground leakage copper area (41) for conducting with the connecting portion (61); the ground leakage copper area (41) is provided along a side edge of the connecting portion (61); the connecting portion (61) is conducted with the ground leakage copper area (41).

7. The structure for improving the antistatic properties of a TFT display module according to claim 1, characterized in that: The conductive member is a conductive copper foil.

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