CN218886343U

CN218886343U - Display module and electronic equipment

Info

Publication number: CN218886343U
Application number: CN202320007370.2U
Authority: CN
Inventors: 贺建文
Original assignee: Wannian Lianchuang Display Technology Co ltd
Current assignee: Wannian Lianchuang Display Technology Co ltd
Priority date: 2023-01-03
Filing date: 2023-01-03
Publication date: 2023-04-18
Anticipated expiration: 2033-01-03

Abstract

The utility model provides a display module and electronic equipment, the display module comprises an LCM iron frame and a FPC board which is arranged on the LCM iron frame in a laminating way; the FPC board comprises an FPC body, the FPC body is provided with a first surface and a second surface, the second surface is located above the first surface, protective layers are attached to the first surface and the second surface, and electromagnetic shielding films are attached to the two protective layers; the first surface and the surface of the LCM iron frame are attached and contacted to be arranged, the first surface comprises a non-wiring area, a plurality of copper exposure areas are arranged at the positions of the non-wiring area, the copper exposure areas penetrate through the protective layer and the electromagnetic shielding film to be arranged, and the copper exposure areas face the LCM iron frame to be arranged.

Description

Display module and electronic equipment

Technical Field

The utility model relates to a display module assembly technical field especially relates to a display module assembly and electronic equipment.

Background

With the rapid development of technology and the improvement of productivity, electronic devices such as televisions, computers, and mobile phones have become popular in daily life and are convenient for people's life.

The display module is one of the important components of the electronic equipment, is used for displaying pictures and mainly comprises a liquid crystal display screen and an FPC (flexible printed circuit).

The FPC copper laying area and the GND line of the existing display module do not adopt windowing copper leakage, the anti-interference capability and the ESD capability of the FPC are poor, and the quality of the display module is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a display module assembly and electronic equipment to prior art's defect and not enough, aim at solving the problem among the prior art.

On one hand, the utility model provides a display module, including LCM chase and laminating FPC board that arranges on said LCM chase; the FPC board comprises an FPC body, the FPC body is provided with a first surface and a second surface, the second surface is located above the first surface, protective layers are attached to the first surface and the second surface, and electromagnetic shielding films are attached to the two protective layers; the first surface and the surface of the LCM iron frame are attached and contacted to be arranged, the first surface comprises a non-wiring area, a plurality of copper exposure areas are arranged at the positions of the non-wiring area, the copper exposure areas penetrate through the protective layer and the electromagnetic shielding film to be arranged, and the copper exposure areas face the LCM iron frame to be arranged.

The utility model has the advantages that: arrange the dew copper district that a plurality of shapes differ on the contact surface of FPC board and LCM chase, increase the area of covering copper and LCM chase contact, reinforcing ESD ability has been arranged and has been covered copper GND in the wiring district top of FPC board, is the LCM chase in the wiring district below of FPC board, is equivalent to between two-layer GND about the wiring district, strengthens the interference killing feature greatly.

Further, the shape of the copper exposure area is any one of a rectangle, a triangle and a circle.

Further, the electromagnetic shielding film includes at least a carrier film and a metal protection film which are arranged in a laminated manner.

Further, the shape of the electromagnetic shielding film corresponds to the shape of the FPC board.

Further, the thickness of the electromagnetic shielding film is not less than 20 micrometers.

Further, the resistance of the stable contact of the FPC board and the LCM iron frame is less than 2 ohms.

Furthermore, a plurality of components are arranged on the FPC board, a point glue layer is arranged on the periphery of each component, and the height of the point glue layer is lower than that of the component.

On the other hand, the utility model provides an electronic equipment, including foretell display module assembly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is the utility model discloses FPC board dew copper district arranges the sketch map.

Fig. 2 is a schematic view of the connection between the FPC board and the LCM bezel according to the embodiment of the present invention.

Wherein: the FPC board 10, the FPC body 11, the first surface 12, the second surface 13, the protective layer 14, the electromagnetic shielding film 15, the copper exposure area 16 and the LCM iron frame 20 are respectively arranged on the two sides of the FPC board.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

The present invention will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 2, an embodiment of the present invention provides a display module, which includes an LCM bezel 20 and an FPC board 10 attached to and disposed on the LCM bezel 20, wherein an end of the FPC board 10 is flexibly flipped and attached to the LCM bezel 20; the FPC board 10 comprises an FPC body 11, the FPC body 11 comprises a first surface 12 and a second surface 13, the second surface 13 is located above the first surface 12, protective layers 14 are attached to the first surface 12 and the second surface 13, and electromagnetic shielding films 15 are attached to the two protective layers 14; the electromagnetic shielding film 15 at least comprises a carrier film and a metal protection film which are arranged in a laminated mode, the shape of the electromagnetic shielding film 15 corresponds to that of the FPC board 10, the thickness of the electromagnetic shielding film 15 is not smaller than 20 microns, and an adhesive layer formed by bonding the electromagnetic shielding film 15 and the protection layer 14 is an epoxy resin adhesive layer.

The first surface 12 is attached to and in contact with the surface of the LCM chase 20, the first surface 12 includes a non-wiring area, the non-wiring area is provided with a plurality of copper exposure areas 16, the copper exposure areas 16 are in any one of a rectangular shape, a triangular shape and a circular shape, it is worth explaining that the copper exposure areas 16 with different shapes are set according to the shape of the non-wiring area, for example, the non-wiring area is in a circular shape, that is, the copper exposure areas 16 arranged in the non-wiring area are in a circular shape, the copper exposure areas 16 penetrate through the protective layer 14 and the electromagnetic shielding film 15, and the copper exposure areas 16 are arranged facing the LCM chase 20, which is equivalent to the space between the upper layer and the lower layer of GND (ground) in the wiring area, so that the anti-interference capability is greatly enhanced.

Specifically, the resistance of the stable contact between the FPC board 10 and the LCM bezel 20 is less than 2 ohms.

Specifically, be equipped with a plurality of components and parts on the FPC board 10, each all be provided with some glue film around the components and parts, the height on some glue film is less than the height of components and parts.

An embodiment of the utility model provides an electronic equipment is still provided, including foretell display module assembly.

The utility model has the advantages that: arrange a plurality of dew copper district 16 that the shape differs on the contact surface of FPC board 10 and LCM chase 20, increase the area of covering copper and the contact of LCM chase 20, reinforcing ESD ability has arranged the copper GND that covers in the wiring district top of FPC board 10, is LCM chase 20 in the wiring district below of FPC board 10, is equivalent to between two-layer GND about the wiring district, strengthens the interference killing feature greatly.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a display module assembly which characterized in that: the LCM flexible printed circuit board comprises an LCM iron frame and an FPC (flexible printed circuit) board which is arranged on the LCM iron frame in a fitting mode; the FPC board comprises an FPC body, the FPC body is provided with a first surface and a second surface, the second surface is located above the first surface, protective layers are attached to the first surface and the second surface, and electromagnetic shielding films are attached to the two protective layers; the first surface with LCM chase surface laminating contact is arranged, include the non-wiring district on the first surface, non-wiring district position department is equipped with a plurality of dew copper district, and is a plurality of dew copper district runs through the protective layer reaches the electromagnetic shield membrane is arranged, dew copper district faces LCM chase arranges.

2. The display module according to claim 1, wherein: the shape of the copper exposure area is any one of rectangle, triangle and circle.

3. The display module according to claim 1, wherein: the electromagnetic shielding film at least comprises a carrier film and a metal protection film which are arranged in a laminated mode.

4. The display module according to claim 3, wherein: the shape of the electromagnetic shielding film is arranged in a shape following the shape of the FPC board.

5. The display module according to claim 3, wherein: the thickness of the electromagnetic shielding film is not less than 20 micrometers.

6. The display module according to claim 1, wherein: the contact resistance of the FPC board and the LCM iron frame is less than 2 ohms.

7. The display module according to claim 1, wherein: the FPC board is provided with a plurality of components, the periphery of each component is provided with a spot adhesive layer, and the height of the spot adhesive layer is lower than that of the component.

8. An electronic device comprising the display module according to any one of claims 1 to 7.