CN219799939U - Anti-interference structure of liquid crystal display module and liquid crystal display screen - Google Patents

Anti-interference structure of liquid crystal display module and liquid crystal display screen Download PDF

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Publication number
CN219799939U
CN219799939U CN202321037726.3U CN202321037726U CN219799939U CN 219799939 U CN219799939 U CN 219799939U CN 202321037726 U CN202321037726 U CN 202321037726U CN 219799939 U CN219799939 U CN 219799939U
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CN
China
Prior art keywords
liquid crystal
crystal display
display module
circuit board
flexible circuit
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Active
Application number
CN202321037726.3U
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Chinese (zh)
Inventor
陈楠
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Shenzhen Shihai Electronics Co ltd
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Shenzhen Shihai Electronics Co ltd
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Priority to CN202321037726.3U priority Critical patent/CN219799939U/en
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Publication of CN219799939U publication Critical patent/CN219799939U/en
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Abstract

The utility model discloses an anti-interference structure of a liquid crystal display module and a liquid crystal display screen, comprising an iron frame, the liquid crystal display module and a flexible circuit board; the liquid crystal display module is electrically connected with the flexible circuit board through a connecting wire, the liquid crystal display module is connected with the flexible circuit board through a flexible piece, the flexible circuit board is attached to the liquid crystal display module after being overturned by taking the flexible piece as the center, the iron frame is arranged on the outer side of the liquid crystal display module, and a concave part matched with the flexible circuit board is arranged on the iron frame. In the utility model, the anti-interference structure adopts a structure mode that the flexible circuit board is arranged between the iron frame and the liquid crystal display module, so that the iron frame can shield signals sent by the flexible circuit board, signals sent by the flexible circuit board are prevented from interfering with the whole antenna, meanwhile, the concave part is correspondingly clamped with the flexible circuit board, the position of the flexible circuit board can be ensured to be static, unnecessary abrasion caused by shaking displacement of the flexible circuit board is avoided, and the stability of the anti-interference structure is improved.

Description

Anti-interference structure of liquid crystal display module and liquid crystal display screen
Technical Field
The present utility model relates to the field of liquid crystal display technologies, and in particular, to an anti-interference structure of a liquid crystal display module and a liquid crystal display.
Background
Along with the development of economy and the improvement of living standard of people, the consumption demand of people on mobile phones is larger and the upgrading frequency of mobile phones is faster, new flagship machines are released by various large mobile phone brands almost every year, as one of the most important parts of the mobile phones, the stability and reliability of the display effect of a liquid crystal display module are more and more concerned by various large mobile phone factories and consumers, and RF interference is a common phenomenon in the whole mobile phone design, and the design requirement on a display screen is higher and higher in addition to a certain requirement on the main board layout aiming at the RF interference.
Chinese patent publication No.: CN210835498 discloses an anti-interference structure of a liquid crystal display module and a liquid crystal display screen, comprising an FPC, a backlight reflector plate and an iron frame, wherein one end of the FPC is bent, the bent part of the FPC is arranged between the backlight reflector plate and the iron frame, one side of the FPC is attached to the iron frame, and the iron frame is grounded.
The anti-interference structure of the liquid crystal display module adopts a mode that the flexible circuit board is arranged between the iron frame and the backlight reflector plate, signals generated by the flexible circuit board are shielded, and the anti-interference effect is realized.
Disclosure of Invention
The utility model aims to provide an anti-interference structure of a liquid crystal display module and a liquid crystal display screen, wherein the limiting clamping structure is used for arranging a concave part on an iron frame, so that the position of a flexible circuit board is stably clamped, the scratch phenomenon of components is avoided, and the anti-interference effect is improved.
In order to achieve the above object, the present utility model provides the following technical solutions: an anti-interference structure of a liquid crystal display module comprises an iron frame, the liquid crystal display module and a flexible circuit board;
the liquid crystal display module is electrically connected with the flexible circuit board through a connecting wire, and is connected with the flexible circuit board through a flexible piece;
the flexible circuit board is turned around by taking the flexible part as a center and then is attached to the liquid crystal display module;
the iron frame is arranged on the outer side of the liquid crystal display module, and a concave part matched with the flexible circuit board is arranged on the iron frame.
As a further description of the above technical solution:
the concave part and the flexible circuit board are of L-shaped structures, and the depth of the concave part is consistent with the thickness of the flexible circuit board.
As a further description of the above technical solution:
the flexible piece is an insulating joint sheet, and the length of the insulating joint sheet is smaller than the width of the liquid crystal display module.
As a further description of the above technical solution:
and a flexible gasket is arranged on one side of the liquid crystal display module, which is close to the insulating connecting sheet.
As a further description of the above technical solution:
the length of the flexible gasket is consistent with the length of the long side of the flexible circuit board.
As a further description of the above technical solution:
the flexible circuit board is provided with a copper leakage area, and the copper leakage area is provided with conductive adhesive points.
As a further description of the above technical solution:
and the liquid crystal display module is provided with a dispensing groove matched with the conductive adhesive point.
A liquid crystal display screen comprises an anti-interference structure of a liquid crystal display module.
In the technical scheme, the anti-interference structure of the liquid crystal display module provided by the utility model has the following beneficial effects:
the anti-interference structure adopts a structural mode that the flexible circuit board is arranged between the iron frame and the liquid crystal display module, so that the iron frame can shield signals sent by the flexible circuit board, the signals sent by the flexible circuit board are prevented from interfering with the whole antenna, the working stability of the liquid crystal display screen is improved, meanwhile, the concave part is adopted to enable the concave part to be correspondingly clamped with the flexible circuit board, the position of the flexible circuit board can be ensured to be static, unnecessary abrasion caused by shaking displacement of the flexible circuit board is avoided, and the integrity and stability of the anti-interference structure are improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic structural diagram of an anti-interference structure of a liquid crystal display module according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of an iron frame according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a connection between a liquid crystal display module and a flexible circuit board according to an embodiment of the present utility model.
Reference numerals illustrate:
1. an iron frame; 11. a recessed portion; 2. a liquid crystal display module; 21. a dispensing groove; 22. a connecting wire; 23. a flexible gasket; 24. an insulating tab; 3. a flexible circuit board; 31. copper leakage areas; 32. and (5) conducting resin points.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, an anti-interference structure of a liquid crystal display module includes a frame 1, a liquid crystal display module 2, and a flexible circuit board 3;
the liquid crystal display module 2 is electrically connected with the flexible circuit board 3 through the connecting wire 22, the liquid crystal display module 2 is connected with the flexible circuit board 3 through a flexible piece, so that the flexible circuit board 3 is attached to the liquid crystal display module 2 after being turned around by taking the flexible piece as the center, flexible turning operation of the flexible circuit board 3 can be ensured, the flexible circuit board 3 is convenient to disassemble, assemble and maintain, and is convenient to process, the iron frame 1 is arranged on the outer side of the liquid crystal display module 2, and the iron frame 1 is provided with a concave part 11 matched with the flexible circuit board 3;
the flexible circuit board 3 is arranged between the liquid crystal display module 2 and the iron frame 1, the iron frame 1 is grounded, the iron frame 1 plays a role of shielding signals sent by the flexible circuit board 3, signals sent by the flexible circuit board 3 are prevented from interfering with the whole antenna, the working stability and reliability of the liquid crystal display are improved, in addition, the flexible circuit board 3 is embedded into the concave part 11 on the iron frame 1 and stably attached, the liquid crystal display module 2 is not scratched by the flexible circuit board 3, the liquid crystal display module 2 is effectively protected, and the service life of the liquid crystal display is prolonged.
The recess 11 and the flexible circuit board 3 are L-shaped structures, the depth of the recess 11 is consistent with the thickness of the flexible circuit board 3, when the flexible circuit board 3 is attached to the inside of the iron frame 1, the flexible circuit board 3 can be embedded into the recess 11, and therefore the position of the flexible circuit board 3 can be limited and clamped, and the stability of the position of the flexible circuit board 3 is improved.
The flexible member is an insulating tab 24, and the length of the insulating tab 24 is smaller than the width of the liquid crystal display module 2, so that the flexible circuit board 3 can be turned over conveniently.
The flexible gasket 23 is arranged on the liquid crystal display module 2 and is close to one side of the insulating tab 24, the length of the flexible gasket 23 is consistent with the length of the long side of the flexible circuit board 3, when the flexible circuit board 3 is attached to the liquid crystal display module 2 after being overturned, the long side of the flexible circuit board 3 can be in contact extrusion with the flexible gasket 23, so that the liquid crystal display module 2 and the flexible circuit board 3 can be elastically protected, and the flexible circuit board 3 is prevented from scratching the liquid crystal display module 2.
The copper leakage area 31 is arranged on the flexible circuit board 3, and the conductive adhesive dots 32 are arranged on the copper leakage area 31, so that the attaching stability of the flexible circuit board 3 is improved.
The liquid crystal display module 2 is provided with the dispensing slot 21 which is matched with the conductive adhesive point 32, so that when the flexible circuit board 3 is attached to the liquid crystal display module 2, the conductive adhesive point 32 is embedded into the dispensing slot 21, and the phenomenon of local concave-convex of the flexible circuit board 3 caused by the conductive adhesive point 32 can be avoided.
A liquid crystal display screen comprises the anti-interference structure of the liquid crystal display module, so that the anti-interference effect can be achieved.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (8)

1. The anti-interference structure of the liquid crystal display module is characterized by comprising an iron frame (1), the liquid crystal display module (2) and a flexible circuit board (3);
the liquid crystal display module (2) is electrically connected with the flexible circuit board (3) through a connecting wire (22), and the liquid crystal display module (2) is connected with the flexible circuit board (3) through a flexible piece;
the flexible circuit board (3) is turned around by taking the flexible part as a center and then is attached to the liquid crystal display module (2);
the iron frame (1) is arranged on the outer side of the liquid crystal display module (2), and a concave part (11) matched with the flexible circuit board (3) is arranged on the iron frame (1).
2. The anti-interference structure of a liquid crystal display module according to claim 1, wherein: the concave part (11) and the flexible circuit board (3) are of L-shaped structures, and the depth of the concave part (11) is consistent with the thickness of the flexible circuit board (3).
3. The anti-interference structure of a liquid crystal display module according to claim 1, wherein: the flexible member is an insulating tab (24), and the length of the insulating tab (24) is smaller than the width of the liquid crystal display module (2).
4. The anti-interference structure of a liquid crystal display module according to claim 1, wherein: a flexible gasket (23) is arranged on one side, close to the insulating connection sheet (24), of the liquid crystal display module (2).
5. The anti-interference structure of a liquid crystal display module according to claim 4, wherein: the length of the flexible gasket (23) is consistent with the length of the long side of the flexible circuit board (3).
6. The anti-interference structure of a liquid crystal display module according to claim 1, wherein: the flexible circuit board (3) is provided with a copper leakage area (31), and the copper leakage area (31) is provided with conductive adhesive points (32).
7. The anti-interference structure of a liquid crystal display module according to claim 1, wherein: and the liquid crystal display module (2) is provided with a dispensing groove (21) matched with the conductive adhesive point (32).
8. A liquid crystal display screen, characterized by comprising the anti-interference structure of the liquid crystal display module according to any one of the preceding claims 1-7.
CN202321037726.3U 2023-05-05 2023-05-05 Anti-interference structure of liquid crystal display module and liquid crystal display screen Active CN219799939U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321037726.3U CN219799939U (en) 2023-05-05 2023-05-05 Anti-interference structure of liquid crystal display module and liquid crystal display screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321037726.3U CN219799939U (en) 2023-05-05 2023-05-05 Anti-interference structure of liquid crystal display module and liquid crystal display screen

Publications (1)

Publication Number Publication Date
CN219799939U true CN219799939U (en) 2023-10-03

Family

ID=88153441

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321037726.3U Active CN219799939U (en) 2023-05-05 2023-05-05 Anti-interference structure of liquid crystal display module and liquid crystal display screen

Country Status (1)

Country Link
CN (1) CN219799939U (en)

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