TFT (Thin Film Transistor) liquid crystal screen structure with anti-static cutting lines

Abstract

The utility model discloses a TFT (Thin Film Transistor) liquid crystal screen structure with an anti-static cutting line, which comprises an upper piece of glass 100, a frame adhesive 200 and a lower piece of glass 300, the upper piece of glass 100 and the lower piece of glass 300 are adhered to form a box through the frame adhesive 200, the frame adhesive 200 is arranged around the periphery of the upper piece of glass 100, and liquid crystal is filled between the upper piece of glass 100 and the lower piece of glass 300; the upper glass 100 is provided with a plurality of parts to be cut, each part to be cut is provided with an insulation cutting line 110, and the insulation cutting lines 110 are used for guiding cutting equipment to conduct cutting operation according to a set route. The insulation cutting line 110 is arranged on the to-be-cut part, cutting equipment is guided by the insulation cutting line 110 to conduct cutting operation according to a set route, and cutting deviation is avoided. And meanwhile, the insulating cutting line 110 is adopted, so that the cutting line can be prevented from attracting external static electricity to a certain extent, and the static electricity can be prevented from damaging a conductive wiring layer on the TFT display screen. In this way, by means of the insulation cutting line 110, the cutting guiding effect can be achieved, and the anti-static effect can also be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal screen production, in particular to a TFT liquid crystal screen structure with an anti-static cutting line. Background Art

[0002] With the rapid development of information technology, liquid crystal display screens have become an indispensable part of our daily lives and are widely used in electronic devices such as mobile phones, computers and tablets. Taking mobile phones as an example, the commonly used material in existing mobile phone displays is liquid crystal display screens, namely TFT-LCD liquid crystal display screens. TFT liquid crystal screens are made of CF (color filter) glass and TFT (thin film field effect transistor) glass with different functions bonded into a box, and the box is filled with liquid crystal.

[0003] In the production process of TFT LCD screens, small glass panels are usually rectangular in shape when cut from large glass panels. However, existing mobile phones usually have special-shaped display screens, such as rounded corners in the four corners of the phone and a teardrop shape on the top of the phone. Therefore, it is necessary to cut the small glass into the required shape. CNC cutting or laser cutting is usually used to cut square glass into special-shaped glass. However, since the cutting shape is special, it is more likely to cause cutting deviation. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a TFT liquid crystal screen structure with an anti-static cutting line, so that the cutting equipment can perform cutting operations according to the predetermined cutting line.

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

[0006] A TFT liquid crystal screen structure with anti-static cutting lines comprises: an upper glass 100, a frame glue 200 and a lower glass 300, wherein the upper glass 100 and the lower glass 300 are bonded into a box by the frame glue 200, the frame glue 200 is arranged around the four sides of the upper glass 100, and liquid crystal is filled between the upper glass 100 and the lower glass 300; a plurality of to-be-cut parts are arranged on the upper glass 100, each of the to-be-cut parts is provided with an insulating cutting line 110, and the insulating cutting line 110 is used to guide a cutting device to perform a cutting operation along a predetermined route.

[0007] In one embodiment, the upper glass 100 is CF glass, and a red color resist layer, a green color resist layer, and a blue color resist layer are coated on a side of the upper glass 100 facing the lower glass 300 .

[0008] In one embodiment, the insulating cutting line 110 is an organic polymer cutting line.

[0009] In one embodiment, the insulating cutting line 110 is one of a red color-resist cutting line, a green color-resist cutting line or a blue color-resist cutting line.

[0010] In one embodiment, a side edge of the lower glass 300 extends away from the upper glass 100 to form a binding protrusion.

[0011] In one embodiment, the thickness of the top glass 100 is 0.15 mm.

[0012] In one embodiment, the thickness of the lower glass 300 is 0.15 mm.

[0013] In one embodiment, an antistatic coating is provided around the outer edge of the sealant 200 .

[0014] In one embodiment, the antistatic coating is an antistatic agent.

[0015] In one embodiment, a nano waterproof layer is disposed around the outer edge of the sealant 200 .

[0016] Compared with the prior art, the utility model has at least the following advantages:

[0017] The TFT liquid crystal screen structure with anti-static cutting line of the utility model is provided with an upper glass 100, a frame glue 200 and a lower glass 300, and an insulating cutting line 110 is provided on the part to be cut, and the insulating cutting line 110 guides the cutting equipment to perform cutting operations according to a predetermined route to avoid cutting deviation. At the same time, the insulating cutting line 110 can be used to a certain extent to avoid the cutting line attracting external static electricity, so that static electricity damages the circuit wiring layer on the TFT display screen. In this way, the insulating cutting line 110 can not only play a role in cutting guidance, but also play a role in anti-static. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] 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.

[0019] Figure 1 This is a schematic structural diagram of a TFT liquid crystal screen structure with anti-static cutting lines in one embodiment of the utility model;

[0020] Figure 2 This is a schematic diagram of a TFT liquid crystal screen structure with an anti-static cutting line and an insulating cutting line in one embodiment of the utility model;

[0021] Figure 3 for Figure 2A local enlarged structural schematic diagram of the TFT liquid crystal screen structure with anti-static cutting lines at A;

[0022] Figure 4 This is a schematic diagram of a stacked structure of a TFT liquid crystal screen structure with anti-static cutting lines in one embodiment of the utility model;

[0023] Figure 5 A schematic diagram of a stacked structure of a TFT liquid crystal screen structure with anti-static cutting lines in an embodiment of the present invention from another angle;

[0024] Figure 6 for Figure 1 A schematic diagram of the structure of the upper glass of the TFT liquid crystal screen structure with anti-static cutting lines; 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] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, a TFT liquid crystal screen structure with anti-static cutting lines includes: an upper glass 100, a frame glue 200 and a lower glass 300, the upper glass 100 and the lower glass 300 are bonded into a box by the frame glue 200, the frame glue 200 is arranged around the four sides of the upper glass 100, and liquid crystal is filled between the upper glass 100 and the lower glass 300; a plurality of to-be-cut parts are arranged on the upper glass 100, and each to-be-cut part is provided with an insulating cutting line 110, and the insulating cutting line 110 is used to guide the cutting equipment to perform cutting operations according to a predetermined route.

[0027] It should be noted that by setting the insulating cutting line 110 on the part to be cut, the insulating cutting line 110 guides the cutting equipment to perform cutting operations along a predetermined route to avoid cutting deviation. At the same time, the use of the insulating cutting line 110 can, to a certain extent, prevent the cutting line from attracting external static electricity, which would damage the circuit wiring layer on the TFT display screen. In this way, the insulating cutting line 110 can not only play a role in cutting guidance, but also play a role in anti-static. For further information, please refer to Figure 2 As shown, the portion to be cut includes a water drop cutting portion B in the water drop area and four arc angle cutting portions C.

[0028] For further information, see Figure 6As shown, the upper glass 100 is CF glass (color filter), and a red color resist layer 120, a green color resist layer 130, and a blue color resist layer 140 are coated on one side of the upper glass 100 facing the lower glass 300. Since the upper glass 100 is a color filter, three color resists of red, green, and blue, as well as a black matrix BM and a PS support column are coated on the upper glass 100. Among them, the three color resists of red, green, and blue are all polymer color resist materials, and the polymer color resist materials are all insulating.

[0029] Preferably, the insulating cutting line 110 is an organic polymer cutting line. In this embodiment, in order to improve the production efficiency of the TFT liquid crystal screen and reduce the processing steps, the insulating cutting line 110 is one of a red color resist cutting line, a green color resist cutting line or a blue color resist cutting line; that is, the insulating cutting line 110 and one of the red color resist layer, the green color resist layer and the blue color resist layer are made of the same mask, that is, when the red color resist layer, the green color resist layer and the blue color resist layer are processed, they can be processed together with the insulating cutting line 110, so there is no need to add additional steps to process the insulating cutting line 110. At the same time, the red color resist cutting line, the green color resist cutting line or the blue color resist cutting line are all colorful, brighter in color, and easier to find and be recognized by the cutting equipment.

[0030] It should also be noted that, usually, the cutting line can be set on the upper glass 100 or on the lower glass 300. The utility model has the following advantages by setting the cutting line on the upper glass 100: Since various circuit traces are usually densely arranged on the lower glass 300, if the cutting line is to be set on the lower glass 300, usually in order to reduce the processing steps, the metal trace material on the lower glass 300 will be directly selected as the material of the cutting line. However, if the cutting line is a metal cutting line, when static electricity contacts the metal cutting line, even though the cutting line is at a certain distance from the edge trace area, these cutting metal lines will attract external static electricity, forming a tip discharge to a certain extent, acting as a "springboard" for external static electricity, allowing the static electricity to reach the edge circuit traces of the nearby TFT display screen, thereby damaging the edge circuit traces, causing the TFT display screen to fail to display normally. However, if the cutting line is set on the upper glass 100, the material of the cutting line can be made in accordance with the material of the red, green and blue resistors on the upper glass 100, so that the cutting line becomes an insulating cutting line 110. In this way, when static electricity appears outside the cutting line of the TFT display screen, due to the insulation of the polymer material, the static electricity will not pass through the cutting line and further "radiate" to the edge wiring area of ​​the TFT display screen, thereby avoiding static electricity damage.

[0031] Furthermore, one side of the lower glass 300 extends away from the upper glass 100 to form a binding protrusion 310. The IC chip and the flexible circuit board are bound and connected through the binding protrusion to achieve conduction of the TFT liquid crystal screen.

[0032] Preferably, the thickness of the upper glass 100 is 0.15 mm.

[0033] Preferably, the thickness of the lower glass 300 is 0.15 mm.

[0034] Furthermore, an antistatic coating is provided around the outer edge of the frame glue 200 to further play an antistatic role and prevent static electricity from damaging the circuit wiring of the lower glass 300. For example, the antistatic coating is an antistatic agent.

[0035] See also Figure 5 As shown, in one embodiment, a nano waterproof layer 400 is provided around the outer edge of the frame glue 200. The nano waterproof layer plays a waterproof role and prevents water vapor from entering the interior of the TFT display screen. The waterproof nano layer refers to a coating material prepared by nano-level advanced technology. The waterproof nano layer is composed of a plurality of extremely fine nano particles, which can block water molecules, thereby achieving a waterproof effect. It should also be noted that when only one layer of the antistatic coating or the nano waterproof layer is provided, the positions of the antistatic coating and the nano waterproof layer are the same, but when the antistatic coating and the nano waterproof layer need to be provided at the same time, the antistatic coating is on the inside and the nano waterproof layer is on the outside, that is, the antistatic coating is located between the nano waterproof layer and the frame glue to prevent the antistatic coating from being contaminated by water vapor.

[0036] 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 TFT liquid crystal screen structure with anti-static cutting lines, characterized in that: include: An upper glass (100), a frame glue (200) and a lower glass (300), wherein the upper glass (100) and the lower glass (300) are bonded together into a box by the frame glue (200), the frame glue (200) is arranged around the four sides of the upper glass (100), and liquid crystal is filled between the upper glass (100) and the lower glass (300); The upper glass (100) is provided with a plurality of portions to be cut, each portion to be cut is provided with an insulating cutting line (110), and the insulating cutting line (110) is used to guide a cutting device to perform a cutting operation along a predetermined route.

2. The TFT liquid crystal screen structure with anti-static cutting lines according to claim 1, characterized in that: The upper glass (100) is CF glass, and a red color resistance layer, a green color resistance layer and a blue color resistance layer are coated on a side surface of the upper glass (100) facing the lower glass (300).

3. The TFT liquid crystal screen structure with anti-static cutting lines according to claim 2, characterized in that: The insulating cutting wire (110) is an organic polymer cutting wire.

4. The TFT liquid crystal screen structure with anti-static cutting lines according to claim 3, characterized in that: The insulating cutting line (110) is one of a red color-resistance cutting line, a green color-resistance cutting line or a blue color-resistance cutting line.

5. The TFT liquid crystal screen structure with anti-static cutting lines according to claim 1, characterized in that: One side edge of the lower glass (300) extends in a direction away from the upper glass (100) to form a binding protrusion.

6. The TFT liquid crystal screen structure with anti-static cutting lines according to claim 1, characterized in that: The thickness of the upper glass (100) is 0.15 mm.

7. The TFT liquid crystal screen structure with anti-static cutting lines according to claim 1, characterized in that: The thickness of the lower glass (300) is 0.15 mm.

8. The TFT liquid crystal screen structure with anti-static cutting lines according to claim 1, characterized in that: An antistatic coating is provided around the outer edge of the frame glue (200).

9. The TFT liquid crystal screen structure with anti-static cutting lines according to claim 8, characterized in that: The antistatic coating is an antistatic agent.

10. The TFT liquid crystal screen structure with anti-static cutting lines according to claim 1, characterized in that: A nano waterproof layer is arranged around the outer edge of the frame glue (200).

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