Clamping structure for enhancing driving signal of mainboard

Abstract

The utility model discloses a clamping structure for enhancing a drive signal of a mainboard, which is characterized in that copper exposing areas are respectively designed at binding PADs at two ends of an FPC (Flexible Printed Circuit), the FPC is bent, bound and connected to an ITO (Indium Tin Oxide) PAD of a display assembly, and then the copper exposing areas at two ends of the FPC are respectively clamped through a first PIN clamping part and a second PIN clamping part on a PIN clamp, so that the PIN clamp is ensured to be electrically connected with a drive IC (Integrated Circuit) at two end positions; when any one of the contact positions of the first PIN clamping part and the second PIN clamping part of the PIN clamp and the FPC is corroded, the normal communication of the display screen can still be ensured as long as the clamping opening at the other end is not corroded.

Description

TECHNICAL FIELD

[0001] The utility model relates to display technical field especially relates to a clamping structure of enhanced mainboard drive signal. BACKGROUND

[0002] Liquid crystal display screen, from top to bottom is the upper polarizer, the upper glass, the lower glass, the lower polarizer stack, its with FPC mainboard connection mode is PIN clamp connection, PIN clamp and drive IC are bound on the lower glass, PIN clamp is through the first PIN clamping portion and realizes electrical connection with drive IC through ITO lead, if oxidation corrosion occurs in the first PIN clamping portion and ITO contact position, PIN clamp cannot be electrically connected with drive IC, and the drive signal of mainboard cannot be effectively transmitted to the display screen, so that the liquid crystal display screen function fails, this situation occurs, it can lead to the equipment cannot normally display image, seriously affect user experience (such as Figure 1 and Figure 2 ).

[0003] Such as Chinese utility model patent (CN222213114U) discloses a kind of metal PIN connection display screen of protection function pin, including display screen body, the display screen body includes lower glass, upper glass, upper polarizer, lower polarizer, connecting portion and the function PIN foot of setting on connecting portion;The two sides of the function PIN foot are provided with DUMMYPIN foot, the DUMMYPIN foot includes stem and clamping piece, the clamping piece has two pieces and is fixed on the side of stem top portion, clamping portion is arranged between two pieces described clamping piece, the present application increases one non-functional DUMMYPIN foot each in the two sides of function PIN foot, this two DUMMYPIN feet only need to be clamped and connected with lower glass, unlike function PIN foot, need to be connected with drive IC by ITO lead on glass and be conducted, increase two DUMMYPIN feet can effectively improve the connection reliability of display screen and mainboard, simultaneously, function PIN foot is placed in the middle, can effectively avoid external collision, extrusion and be directly acted on function PIN foot, finally play the role of protection function PIN foot.

[0004] However, the utility model person carries out this device specifically, and finds that there are the following defects: if oxidation corrosion occurs in the first PIN clamping portion and ITO contact position, PIN clamp cannot be electrically connected with drive IC, and the drive signal of mainboard cannot be effectively transmitted to the display screen, so that the liquid crystal display screen function fails, this situation occurs, it can lead to the equipment cannot normally display image, seriously affect user experience. UTILITY MODEL CONTENTS

[0005] Based on this, it is necessary to solve the above technical problems, provide a kind of clamping structure of enhanced mainboard drive signal, the copper exposure area is designed in the binding PAD of the two ends of FPC respectively, and FPC is bent and bound and connected on the ITO PAD of display assembly, the first PIN clamping portion and the second PIN clamping portion on PIN clamp are respectively clamped the copper exposure area of the two ends of FPC, ensure that PIN clamp and drive IC are electrically connected in two end positions, when the position of the first PIN clamping portion and the second PIN clamping portion of PIN clamp contact FPC has any one corrosion phenomenon, as long as the other end clamp is not corroded, still can ensure that display screen normal communication.

[0006] In order to solve the above technical problems, the utility model adopts the technical scheme as follows:

[0007] A kind of clamping structure of enhanced mainboard drive signal.

[0008] The clamping structure of enhanced mainboard drive signal specifically includes:

[0009] Display assembly, the display assembly includes lower sheet glass, the lower sheet glass is provided with drive IC and ITO connecting assembly, the ITO connecting assembly includes ITO lead and ITO PAD, one end of the ITO lead is connected with drive IC, the other end of the ITO lead is connected with the ITO PAD;

[0010] FPC, the two ends of the FPC are provided with binding PAD, the copper exposure area is provided in the position corresponding to the ITO PAD of the binding PAD, the binding PAD of one end of the FPC is bound and connected in the ITO PAD, the binding PAD of the other end of the FPC is bent to the back of the lower sheet glass and is bound;

[0011] PIN clamp, the PIN clamp includes first PIN clamping portion and second PIN clamping portion, the PIN clamp is buckled on the bent FPC, and the first PIN clamping portion and the second PIN clamping portion are respectively abutted on the surface of the copper exposure area of the binding PAD at the two ends of the FPC.

[0012] As a preferred embodiment of the clamping structure of enhanced mainboard drive signal provided by the utility model, the binding PAD at the two ends of the FPC is symmetrical structure, and the copper exposure area is arranged on the front and back of the binding PAD.

[0013] As a preferred embodiment of the clamping structure of enhanced mainboard drive signal provided by the utility model, the FPC is double-layer wiring, and the line width is 0.2mm.

[0014] As a preferred embodiment of the clamping structure for enhancing the driving signal of the mainboard, the PIN clamp has a U-shaped cross-sectional area.

[0015] As a preferred embodiment of the clamping structure for enhancing the driving signal of the mainboard, the first PIN clamping part and the second PIN clamping part of the PIN clamp are curved inward in opposite directions.

[0016] As a preferred embodiment of the clamping structure for enhancing the driving signal of the mainboard, the display assembly further comprises an upper polarizer, an upper glass sheet, and a lower polarizer, the upper polarizer is arranged on the upper surface of the upper glass sheet, the upper glass sheet is arranged on the upper surface of the lower glass sheet, and the lower glass sheet is arranged on the upper surface of the lower polarizer.

[0017] As a preferred embodiment of the clamping structure for enhancing the driving signal of the mainboard, the PIN clamp is made of aluminum, titanium alloy, or stainless steel.

[0018] As a preferred embodiment of the clamping structure for enhancing the driving signal of the mainboard, the first PIN clamping part and the second PIN clamping part of the PIN clamp have the same size and shape.

[0019] As a preferred embodiment of the clamping structure for enhancing the driving signal of the mainboard, the first PIN clamping part and the second PIN clamping part of the PIN clamp have a symmetrical structure.

[0020] In another aspect, the utility model further provides a liquid crystal display screen comprising the clamping structure for enhancing the driving signal of the mainboard.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] The clamping structure for enhancing the driving signal of the mainboard provided by the utility model has exposed copper areas at the two ends of the FPC, and the FPC is bent and connected to the ITO PAD of the display assembly, and then the first PIN clamping part and the second PIN clamping part of the PIN clamp clamp the exposed copper areas at the two ends of the FPC, so that the PIN clamp and the driving IC are electrically connected at the two ends, and when corrosion occurs at any one of the positions where the first PIN clamping part and the second PIN clamping part of the PIN clamp contact the FPC, the other end of the clamp can still ensure normal communication of the display screen. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to make the scheme in the utility model clearer, the following will briefly introduce the drawings needed in the embodiment description, obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0024] Figure 1 It is a structural schematic view of prior art;

[0025] Figure 2 It is a side view of Figure 1

[0026] Figure 3 It is a structural schematic view of the clamping structure of the enhanced mainboard driving signal of the utility model;

[0027] Figure 4 It is a side view of Figure 3

[0028] Figure 5 It is a structural schematic view of FPC in the utility model;

[0029] Figure 6 It is a side view of Figure 5

[0030] Figure 7 It is a structural schematic view of A of Figure 6

[0031] Marking in the drawing is as follows:

[0032] Display assembly 100, lower sheet glass 110, driving IC 120, ITO connecting assembly 130, ITO lead wire 131, ITO PAD 132, upper polaroid 140, upper sheet glass 150, lower polaroid 160, FPC 200, binding PAD 210, copper exposure area 220, PIN clamp 300, first PIN clamping part 310, second PIN clamping part 320. DETAILED DESCRIPTION

[0033] In order to make those skilled in the art better understand the scheme of the utility model, the following will combine the drawings in the embodiment of the utility model, and the technical scheme in the embodiment of the utility model will be described clearly and completely, obviously, the described embodiment is only a part of the embodiment of the utility model, but not all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the utility model.

[0034] ​​​​As the background, if the oxidation corrosion occurs at the position where the first PIN clamping part 310 contacts the ITO, the PIN clamp 300 cannot be electrically connected with the driving IC 120, the driving signal of the mainboard cannot be effectively transmitted to the display screen, thereby causing the liquid crystal display screen to fail to function. In this case, the device cannot display images normally, which seriously affects the user experience.

[0035] To solve this technical problem, the utility model provides a clamping structure for enhancing the driving signal of the mainboard.

[0036] Specifically, please refer to Figures 3-7 The clamping structure for enhancing the driving signal of the mainboard specifically comprises:

[0037] The display assembly 100 comprises a lower glass 110, the lower glass 110 is provided with a driving IC 120 and an ITO connecting assembly 130, the ITO connecting assembly 130 comprises ITO lead wires 131 and ITO PADs 132, one end of the ITO lead wires 131 is connected with the driving IC 120, and the other end of the ITO lead wires 131 is connected with the ITO PADs 132.

[0038] The FPC 200 is provided with binding PADs 210 at both ends, the binding PADs 210 are provided with copper exposure areas 220 corresponding to the positions of the ITO PADs 132, one end of the FPC 200 is bound and connected to the ITO PADs 132, and the other end of the FPC 200 is bent to the back of the lower glass 110 for binding.

[0039] The PIN clamp 300 comprises a first PIN clamping part 310 and a second PIN clamping part 320, the PIN clamp 300 is buckled on the bent FPC 200, and the first PIN clamping part 310 and the second PIN clamping part 320 are respectively abutted on the surfaces of the copper exposure areas 220 of the binding PADs 210 at both ends of the FPC 200.

[0040] The clamping structure for enhancing the driving signal of the mainboard provided by the utility model designs the copper exposure areas 220 at the binding PADs 210 at both ends of the FPC 200, bends and binds the FPC 200 to the ITO PADs 132 of the display assembly 100, and then clamps the copper exposure areas 220 at both ends of the FPC 200 through the first PIN clamping part 310 and the second PIN clamping part 320 of the PIN clamp 300, so that the PIN clamp 300 and the driving IC 120 are electrically connected at two end positions, and when corrosion occurs at any one of the positions where the first PIN clamping part 310 and the second PIN clamping part 320 of the PIN clamp 300 contact the FPC 200, as long as the other end clamp is not corroded, the display screen can still communicate normally.

[0041] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings.

[0042] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0043] It should be noted that: similar labels and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0044] Embodiment 1

[0045] Please refer to Figures 3-7 A clamping structure for enhancing the driving signal of the mainboard, which comprises a display assembly 100, the display assembly 100 comprises a lower glass sheet 110, the lower glass sheet 110 is provided with a driving IC 120 and an ITO connecting assembly 130, the ITO connecting assembly 130 comprises an ITO lead 131 and an ITO PAD 132, one end of the ITO lead 131 is connected to the driving IC 120, and the other end of the ITO lead 131 is connected to the ITO PAD 132.

[0046] An FPC 200, both ends of the FPC 200 are provided with a binding PAD 210, the binding PAD 210 is provided with a copper exposure area 220 corresponding to the position of the ITO PAD 132, one end of the FPC 200 is bound and connected to the ITO PAD 132 through the binding PAD 210, and the other end of the FPC 200 is bent to the back of the lower glass sheet 110 for binding.

[0047] A PIN clamp 300, the PIN clamp 300 comprises a first PIN clamping portion 310 and a second PIN clamping portion 320, the PIN clamp 300 is buckled on the bent FPC 200, and the first PIN clamping portion 310 and the second PIN clamping portion 320 are respectively abutted on the surfaces of the copper exposure areas 220 of the binding PADs 210 at both ends of the FPC 200.

[0048] Through the above structural design, the exposed copper area 220 is designed at the binding PAD 210 at both ends of the FPC 200, and the FPC 200 is bent and bound to the ITO PAD 132 of the display assembly 100, and then the first PIN clamping part 310 and the second PIN clamping part 320 on the PIN clamp 300 clamp the exposed copper area 220 at both ends of the FPC 200 respectively, so as to ensure that the PIN clamp 300 and the driving IC 120 are electrically connected at two end positions. When corrosion occurs at any one of the positions where the first PIN clamping part 310 and the second PIN clamping part 320 of the PIN clamp 300 contact the FPC 200, as long as the other end clamp is not corroded, the display screen can still communicate normally.

[0049] Specifically, the binding PAD 210 at both ends of the FPC 200 is a symmetrical structure, and the exposed copper area 220 is arranged on the front and back surfaces of the binding PAD 210.

[0050] Through the above structural design, the binding PAD 210 at both ends is arranged symmetrically, and the exposed copper area 220 is arranged on the front and back surfaces of the binding PAD 210. This structural design can effectively improve the connection reliability and stability of the FPC 200.

[0051] Specifically, the line width of the FPC 200 is 0.2 mm.

[0052] Through the above structural design, the line width is suggested to be designed as 0.2 mm. If the line is too thick, it will affect the bending use of the FPC 200.

[0053] Specifically, the cross-sectional area of the PIN clamp 300 is in the shape of a U.

[0054] Through the above structural design, the main technical effect is that the unique U-shaped structure can more tightly and firmly fix the FPC 200, effectively preventing the FPC 200 from sliding or falling off, thereby improving the stability and applicability of the clamp. At the same time, the first PIN clamping part 310 and the second PIN clamping part 320 on the PIN clamp 300 clamp the exposed copper area 220 at both ends of the FPC 200 respectively, so as to ensure that the PIN clamp 300 and the driving IC 120 are electrically connected at two end positions. When corrosion occurs at any one of the positions where the first PIN clamping part 310 and the second PIN clamping part 320 of the PIN clamp 300 contact the FPC 200, as long as the other end clamp is not corroded, the display screen can still communicate normally.

[0055] Specifically, the first PIN clamping part 310 and the second PIN clamping part 320 of the PIN clamp 300 are curved inward relative to the arc shape.

[0056] Through the above structural design, the first PIN clamping part 310 and the second PIN clamping part 320 are designed to be inwardly curved in an arc shape, so that the clamp can clamp the workpiece more firmly, effectively prevent the workpiece from deviating or falling off during machining, and thus improve the machining precision and efficiency.

[0057] Embodiment 2

[0058] The clamping structure for enhancing the mainboard driving signal provided in Embodiment 1 is further optimized, and specifically, as shown in Figure 3 The display assembly 100 further includes an upper polarizer 140, an upper glass 150, and a lower polarizer 160, the upper polarizer 140 is arranged on the upper surface of the upper glass 150, the upper glass 150 is arranged on the upper surface of the lower glass 110, and the lower glass 110 is arranged on the upper surface of the lower polarizer 160.

[0059] Through the above structural design, the liquid crystal display screen is stacked from top to bottom by the upper polarizer 140, the upper glass 150, the lower glass 110, and the lower polarizer 160.

[0060] Embodiment 3

[0061] The clamping structure for enhancing the mainboard driving signal provided in Embodiment 1 or 2 is further optimized, and specifically, as shown in Figures 3-7 The PIN clamp 300 is made of aluminum, titanium alloy or stainless steel.

[0062] Through the above structural design, in this embodiment, the PIN clamp 300 is made of stainless steel material, and the stainless steel material has good corrosion resistance, effectively prevents corrosion, and thus ensures normal communication of the display screen.

[0063] Specifically, the first PIN clamping part 310 and the second PIN clamping part 320 of the PIN clamp 300 are the same in size and shape.

[0064] Specifically, the first PIN clamping part 310 and the second PIN clamping part 320 of the PIN clamp 300 are in a symmetrical structure.

[0065] Through the above structural design, by making the first PIN clamping part and the second PIN clamping part of the PIN clamp the same in size and shape, the clamp can clamp different sizes of articles more flexibly, and the universality and application range of clamping are improved.

[0066] The utility model embodiment further provides a liquid crystal display screen comprising the above-mentioned clamping structure for enhancing the mainboard driving signal.

[0067] The use process of the clamping structure for enhancing the mainboard driving signal provided by the utility model is as follows: The use process of the clamping structure for enhancing the mainboard driving signal provided by the utility model is as follows:

[0068] The exposed copper areas 220 of the two ends of the FPC 200 are designed respectively, the FPC 200 is bent and connected on the ITO PAD 132 of the display assembly 100, the first PIN clamping part 310 and the second PIN clamping part 320 of the PIN clamp 300 are used to clamp the exposed copper areas 220 of the two ends of the FPC 200 respectively, the PIN clamp 300 and the driving IC 120 are electrically connected at two ends, when corrosion occurs in any one of the positions where the first PIN clamping part 310 and the second PIN clamping part 320 of the PIN clamp 300 contact the FPC 200, the display screen can still communicate normally as long as the other end clamp is not corroded.

[0069] In the present application, unless otherwise clearly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication or interaction relationship between two elements, unless otherwise clearly limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0070] Obviously, the above-described embodiments are only part of the embodiments of the present application, not all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some technical features. Any equivalent structure made by using the contents of the present application specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection scope of the present application.

Claims

1. A clamping structure for enhancing a main board driving signal, characterized by, It includes: The display assembly (100) includes a lower glass sheet (110) provided with a drive IC (120) and an ITO connecting assembly (130), the ITO connecting assembly (130) includes an ITO lead (131) and an ITO PAD (132), one end of the ITO lead (131) is connected to the drive IC (120), and the other end of the ITO lead (131) is connected to the ITO PAD (132); The FPC (200) is provided with a binding PAD (210) at both ends, the binding PAD (210) is provided with a copper exposure area (220) corresponding to the position of the ITO PAD (132), one end of the FPC (200) is bound and connected to the ITO PAD (132), and the other end of the FPC (200) is bent to the back of the lower glass sheet (110) for binding; The PIN clamp (300) includes a first PIN clamping part (310) and a second PIN clamping part (320), the PIN clamp (300) is buckled on the bent FPC (200), and the first PIN clamping part (310) and the second PIN clamping part (320) are respectively abutted on the surface of the copper exposure area (220) of the binding PAD (210) at both ends of the FPC (200).

2. The clamp structure for reinforcing a main board driving signal according to claim 1, wherein, The binding PAD (210) at both ends of the FPC (200) is a symmetrical structure, and the copper exposure area (220) is arranged on the front and back of the binding PAD (210).

3. The clamp structure for reinforcing a main board driving signal according to claim 2, characterized in that, The FPC (200) is a double-layer wiring with a line width of 0.2mm.

4. The clamp structure for reinforcing a main board driving signal according to claim 1, wherein The cross-sectional area of the PIN clamp (300) is U-shaped.

5. The clamp structure for reinforcing a main board driving signal according to claim 4, wherein The first PIN clamping part (310) and the second PIN clamping part (320) of the PIN clamp (300) are curved inward in opposite directions.

6. The clamp structure for reinforcing a main board driving signal according to claim 1, wherein The display assembly (100) further includes an upper polarizing sheet (140), an upper glass sheet (150) and a lower polarizing sheet (160), the upper polarizing sheet (140) is arranged on the upper surface of the upper glass sheet (150), the upper glass sheet (150) is arranged on the upper surface of the lower glass sheet (110), and the lower glass sheet (110) is arranged on the upper surface of the lower polarizing sheet (160).

7. The clamp structure for reinforcing a main board driving signal according to claim 1, wherein The PIN clamp (300) is made of aluminum, titanium alloy or stainless steel.

8. The clamp structure for reinforcing a main board driving signal according to claim 7, wherein The first PIN clamping part (310) and the second PIN clamping part (320) of the PIN clamp (300) are the same in size and shape.

9. The clamp structure for enhancing a main board driving signal according to claim 1, wherein, The first PIN clamping part (310) and the second PIN clamping part (320) of the PIN clamp (300) are symmetrical structures.

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