LCD (Liquid Crystal Display) lightening structure with uniform display

Abstract

The utility model provides a liquid crystal display (LCD) lightening structure capable of displaying uniformly, which belongs to the field of liquid crystal display and comprises an LCD, a printed circuit board (PCB) and a PIN used for connecting the LCD and the PCB, and at least one deformable bending part is arranged on the PIN. According to the utility model, the deformable bending parts are arranged in the PINs, so that stress is effectively released, local bulk non-uniformity of the LCD due to tensile force is avoided, and the display uniformity after the LCD is lightened is improved; the elastic positioning plate is arranged on the support and can flexibly fix the LCD, and when the LCD is installed, compared with a traditional rigid fixing structure, damage to the LCD can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid crystal display technical field, concretely relates to a display even's LCD lighting structure. BACKGROUND

[0002] With the rapid development of electronic equipment, display technology has become the key link of human-computer interaction. LCD (Liquid Crystal Display) is widely used in mobile phones, computers, televisions and other electronic products, and industrial control, medical equipment, automobile instruments and other fields. LCD is usually connected with PCB (Printed Circuit Board) through PIN (Pin) to realize conduction. PIN, as a connection structure, plays a key role in the speed and stability of signal transmission. However, when PIN is welded with PCB, LCD is subjected to tension, which leads to uneven local mass of LCD, and ultimately affects the visual effect of LCD after lighting, that is, there is uneven display phenomenon after LCD lighting. SUMMARY

[0003] The utility model aims at overcoming the shortcomings and deficiencies of prior art, and provides a display even's LCD lighting structure.

[0004] The technical scheme adopted by the utility model is as follows: a display even's LCD lighting structure, comprising LCD display, PCB circuit board and PIN pin for connecting the two, at least one bendable bending part is arranged on the PIN pin.

[0005] The bending part is semicircular or arc-shaped.

[0006] The bending part is trapezoidal.

[0007] At least two bendable bending parts are arranged on the PIN pin, and the bending directions of adjacent bending parts are opposite.

[0008] The PIN pin is provided with a clamping part at one end close to the LCD display, and is connected to the LCD display through the clamping part, and the other end close to the PCB circuit board is inserted into the PCB circuit board and connected through welding.

[0009] The display even's LCD lighting structure further comprises a bracket, an electrostatic metal frame is arranged on the bracket, two opposite sides of the electrostatic metal frame are respectively bent to form a first limiting plate and a second limiting plate, the first limiting plate and the second limiting plate form a mounting groove, and the LCD display is arranged in the mounting groove.

[0010] The side wall of the mounting groove is provided with a gap from the side wall of the LCD display.

[0011] The bracket is provided with an elastic positioning plate towards the LCD display, one end of the elastic positioning plate abutting against the side wall of the LCD display.

[0012] The second limiting plate is provided with a limiting groove, one end of the elastic positioning plate is arranged in the limiting groove and abuts against the side wall of the LCD display.

[0013] The surface of the LCD display is provided with a conductive cloth, the conductive cloth is electrically connected with the electrostatic metal frame, the electrostatic metal frame is provided with a conductive spring from the PCB circuit board, the PCB circuit board is provided with a connector, and the connector is used for outputting static electricity to the outside.

[0014] The beneficial effects of the utility model are as follows:

[0015] 1. The utility model discloses a PIN pin, which is provided with a deformable bending part, effectively releases stress, avoids local lump unevenness of the LCD display due to tension, and improves the uniformity of the display of the LCD display after lighting.

[0016] 2. The utility model discloses a bracket, which is provided with an elastic positioning plate, and the elastic positioning plate can form flexible fixation on the LCD display. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings obtained according to these drawings without creative labor still belong to the scope of the utility model.

[0018] Figure 1 It is the explosion schematic diagram of the utility model;

[0019] Figure 2 It is the schematic diagram of the utility model;

[0020] Figure 3 It is the schematic diagram of the PIN pin of the utility model;

[0021] Figure 4 It is the schematic diagram of the bracket and the electrostatic metal frame of the utility model;

[0022] Figure 5 It is the schematic diagram of the electrostatic metal frame of the utility model;

[0023] Figure 6 This is a schematic diagram of the electrostatic metal frame of this utility model in conjunction with an LCD. Detailed Implementation

[0024] To make the objectives, technical solutions and advantages of this utility model clearer, the utility model will be described in further detail below with reference to the accompanying drawings.

[0025] It should be noted that all uses of "first" and "second" in the embodiments of this utility model are for the purpose of distinguishing two entities or parameters with the same name but different names. It is clear that "first" and "second" are only for the convenience of expression and should not be construed as limiting the embodiments of this utility model. Subsequent embodiments will not explain this in detail.

[0026] The directional and positional terms used in this utility model, such as "up," "down," "front," "back," "left," "right," "inner," "outer," "top," "bottom," and "side," are merely for reference to the accompanying drawings. Therefore, the directional and positional terms used are for the purpose of explaining and understanding this utility model, and not for limiting the scope of protection of this utility model.

[0027] Example 1:

[0028] like Figures 1 to 6 The image shown is one embodiment of this utility model:

[0029] A uniform LCD lighting structure includes an LCD display 1, a PCB circuit board 2, PIN pins 3, an electrostatic metal frame 4, and a support 5. One end of the PIN pin 3 has a clamping portion 31, and the other end has a limiting portion 33. The clamping portion 31 includes a symmetrical upper clamping plate 311 and a lower clamping plate 312. The LCD display 1 is inserted into the clamping portion 31. The limiting portion 33 is inserted into the PCB circuit board 2 and connected by soldering. The PIN pin 3 has at least one deformable bending portion 32. If the PIN pin 3 and the PCB circuit board 2 experience tensile stress due to soldering, or if the PCB circuit board 2 deforms, the bending portion 32 of the PIN pin 3 can effectively release the stress, causing the PIN pin 3 to elastically deform. This prevents display abnormalities caused by localized unevenness in the LCD display 1, improving the uniformity of the display after the LCD display 1 is lit. The shape of the bending portion 32 can be semi-circular, arc-shaped, or trapezoidal. Specifically, the longitudinal cross-section of the bending portion 32 is semi-circular, arc-shaped, or trapezoidal. The PIN pin 3 may also be provided with at least two deformable bends 32, and the bending directions of adjacent bends 32 are opposite.

[0030] The LCD lighting structure with uniform display further comprises a support 5, and the support 5 is provided with an electrostatic metal frame 4, two opposite sides of the electrostatic metal frame 4 are respectively bent to form a first limiting plate 41 and a second limiting plate 42, the first limiting plate 41 and the second limiting plate 42 form a mounting groove, and the LCD display 1 is arranged in the mounting groove, so that the assembly of the LCD display 1 and the electrostatic metal frame 4 is facilitated. A gap is arranged between the side wall of the mounting groove and the side wall of the LCD display 1.

[0031] The support 5 is provided with an elastic positioning plate 51 towards the LCD display 1, the second limiting plate 42 is provided with a limiting groove 421, one end of the elastic positioning plate 51 is arranged in the limiting groove 421 and abuts against the side wall of the LCD display 1. The elastic positioning plate 51 can flexibly fix the LCD display, and when the LCD display is installed, damage to the LCD display can be avoided.

[0032] In order to prevent the LCD lighting structure from being interfered by static electricity and causing display abnormalities, the surface of the LCD display 1 is provided with a conductive cloth 11, the conductive cloth 11 and the electrostatic metal frame 4 form an electrical connection, the electrostatic metal frame 4 and the PCB circuit board 2 are provided with a conductive spring 52, the PCB circuit board 2 is provided with a connector 6, and the connector 6 is used for outputting static electricity to the outside. That is, the conductive cloth 11, the electrostatic metal frame 4, the conductive spring 52, the PCB circuit board 2 and the connector 6 form a static electricity path, which is used for leading static electricity to the outside.

[0033] The above only discloses preferred embodiments of the utility model, and of course cannot limit the scope of the utility model, therefore equivalent changes made according to the utility model claims still belong to the scope covered by the utility model.

Claims

1. A uniformly illuminated LCD structure, comprising an LCD display (1), a PCB circuit board (2), and PIN pins (3) for connecting the two, characterized in that, The PIN pin (3) is provided with at least one deformable curved portion (32), which is semi-circular, arc-shaped, or trapezoidal; The PIN pin (3) is provided with a clamping part (31) at one end near the LCD display (1) and is connected to the LCD display (1) through the clamping part (31). The PIN pin (3) is inserted into the PCB circuit board (2) at one end and is connected by soldering. It also includes a bracket (5), on which an electrostatic metal frame (4) is provided. The two opposite sides of the electrostatic metal frame (4) are bent to form a first limiting plate (41) and a second limiting plate (42). The first limiting plate (41) and the second limiting plate (42) form a mounting groove, and the LCD display (1) is disposed in the mounting groove. The surface of the LCD display (1) is provided with a conductive cloth (11), and the conductive cloth (11) forms an electrical connection with the electrostatic metal frame (4). A conductive spring (52) is provided between the electrostatic metal frame (4) and the PCB circuit board (2). A connector (6) is provided on the PCB circuit board (2), and the connector (6) is used to output static electricity to the outside.

2. The LCD illumination structure with uniform display according to claim 1, characterized in that, The PIN pin (3) is provided with at least two deformable bends (32), and the bending directions of adjacent bends (32) are opposite.

3. The LCD illumination structure with uniform display according to claim 1, characterized in that, A gap is provided between the side wall of the mounting slot and the side wall of the LCD display (1).

4. The LCD illumination structure with uniform display according to claim 3, characterized in that, The bracket (5) is provided with an elastic positioning plate (51) facing the LCD display (1), and one end of the elastic positioning plate (51) abuts against the side wall of the LCD display (1).

5. The LCD illumination structure with uniform display according to claim 4, characterized in that, The second limiting plate (42) is provided with a limiting groove (421), and one end of the elastic positioning plate (51) is disposed in the limiting groove (421) and abuts against the side wall of the LCD display (1).

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