CN215813655U

CN215813655U - Backlight source for communication module

Info

Publication number: CN215813655U
Application number: CN202121620845.2U
Authority: CN
Inventors: 喻彬彬
Original assignee: Suzhou Naiji Plastic Industry Co ltd
Current assignee: Suzhou Naiji Plastic Industry Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-02-11
Anticipated expiration: 2031-07-16

Abstract

The utility model relates to a backlight source for a communication module, which comprises a mounting seat and a light source component, wherein the light source component is arranged on the mounting seat; a positioning seat is arranged above the mounting seat and used for positioning and mounting the liquid crystal module; the light source assembly comprises an LED lamp bead, a light guide plate and a diffusion film, a positioning groove is formed in the mounting seat, and the light guide plate is arranged in the positioning groove. According to the utility model, the light guide plate and the mounting frame are tightly fixed in a buckling mode, so that the mounting is simple and convenient, the assembly precision is high, the production efficiency is improved, the production cost is reduced, the separation of the light guide plate and the mounting frame is effectively avoided, and the service life is prolonged; a positioning seat is arranged above the mounting seat, so that the liquid crystal module is accurately positioned and mounted, and the looseness of the liquid crystal module and the mounting seat is avoided to a limited extent; the buckle is arranged below the mounting seat, so that firm connection with the PCB is realized, and the overall mounting precision and stability are greatly improved; the light guide plate is fixed in the positioning groove, and the process of sticking films on the side surface and the bottom surface of the light guide plate is omitted.

Description

Backlight source for communication module

Technical Field

The utility model relates to the technical field of backlight sources, in particular to a backlight source for a communication module.

Background

Liquid Crystal Display (LCD) devices are at the high end of the electronic information industry chain and are key components of digital complete machine products such as digital televisions, computers, mobile communication terminals and the like. Since the lcd does not have a light emitting characteristic, a light emitting source, i.e., a backlight, is added to the rear of the lcd as required. The backlight is an optical assembly that provides a back light source in a liquid crystal display, and the backlight operates on the principle of changing a point light source (LED) into a surface light source (backlight). With the continuous expansion of the market, the demand of the backlight source is also continuously increased, and the requirement of people on the display quality is higher and higher.

At present, the backlight source is complex in production, processing and assembly, low in production efficiency and high in labor cost, and an LED light source is easy to loosen and fall off, so that the use effect and the service life are influenced; when the device is assembled with a communication module, the device is easily influenced by human factors, the installation precision is limited, the integral use effect is poor, and the device is easy to loosen.

Therefore, the backlight source for the communication module is provided to solve the problems in the prior art, and has important significance for application and popularization.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present application is to provide a backlight source for a communication module, so as to achieve simple installation, high assembly precision, improved production efficiency, and reduced production cost.

In order to achieve the above object, the present application provides the following technical solutions.

A backlight source for a communication module comprises a mounting seat and a light source component, wherein the light source component is arranged on the mounting seat;

a positioning seat is arranged above the mounting seat and used for positioning and mounting the liquid crystal module;

the light source assembly comprises an LED lamp bead, a light guide plate and a diffusion film, a positioning groove is formed in the mounting seat, and the light guide plate is arranged in the positioning groove.

Preferably, the diffusion film is arranged on one side of the light guide plate, which is far away from the mounting seat, and the diffusion film is fixedly connected with the light guide plate in an adhesive tape sticking mode;

and two opposite sides below the diffusion film are respectively provided with an adhesive layer so as to fixedly connect the diffusion film and the light guide plate.

Preferably, a support rod is arranged below the mounting seat and used for supporting the mounting seat; and a positioning rod is arranged below the supporting rod and is used for positioning and connecting with the PCB.

Preferably, the support rod is provided with first strengthening ribs near the mounting seat, the number of the first strengthening ribs is 2 or more than 2, and the first strengthening ribs are uniformly distributed around the support rod.

Preferably, a buckle is arranged below the mounting seat and used for fixing the PCB; the buckle is provided with the second strengthening rib near the mount pad department for improve overall structure intensity.

Preferably, the light guide plate is provided with a clamping plate, the mounting seat is provided with a clamping groove corresponding to the clamping plate, and the light guide plate is fixedly connected with the mounting seat through the matching of the clamping plate and the clamping groove.

Preferably, one side of the clamping plate, which is far away from the light guide plate, is arranged to be of an arc-shaped structure, so that the light guide plate and the mounting seat are convenient to assemble.

Preferably, a lamp groove is formed below the light guide plate, the LED lamp beads are placed in the lamp groove, a groove is formed in one side of the lamp groove, and the groove is used for leading out pins connected with the LED lamp beads.

Preferably, a guide block is arranged at the position, opposite to the lamp groove, of the mounting seat, and the guide block is fixedly connected with the mounting seat through a connecting plate; and a third reinforcing rib is arranged between the connecting plate and the mounting seat.

Preferably, the guide block is provided with a guide hole, the guide hole is opposite to the groove, and the diameter of the guide hole is gradually reduced from top to bottom, so that the installation of pins connected with the LED lamp beads is facilitated.

The beneficial technical effects obtained by the utility model are as follows:

1) according to the utility model, the light guide plate and the mounting seat are tightly fixed in a buckling mode, so that the installation is simple and convenient, the assembly precision is high, the production efficiency is improved, the production cost is reduced, the separation of the light guide plate and the mounting seat is effectively avoided, and the service life is prolonged;

2) according to the utility model, the positioning seat and the limiting block are arranged above the mounting seat, so that the accurate positioning, mounting and limiting and fixing of the liquid crystal module are conveniently realized, and the looseness of the liquid crystal module and the liquid crystal module is avoided in a limited way; the buckle is arranged below the mounting seat, so that firm connection with the PCB is realized, and the overall mounting precision and stability are greatly improved;

3) according to the utility model, the positioning groove is arranged above the mounting seat, the side faces are provided with the surrounding plates, so that the positioning and fixing of the light guide plate are conveniently realized, and the arrangement of the surrounding plates can realize the shading of the side faces of the light guide plate, so that the film pasting process of the side faces and the bottom face of the light guide plate is omitted, and the production efficiency is greatly improved;

4) according to the utility model, one side of the clamping plate on the light guide plate, which is far away from the light guide plate, is provided with the arc-shaped structure, so that the light guide plate and the mounting seat can be conveniently assembled; the light guide plate below is provided with the light trough, and light trough one side is provided with the recess, makes things convenient for LED lamp pearl installation, and the installation is firm, effectively avoids the lamp pearl to break away from.

The foregoing description is only an overview of the technical solutions of the present application, and in order to make the technical means of the present application more clearly understood and to make the same practical in accordance with the content of the description, and to make the above and other objects, features, and advantages of the present application more apparent, the following is a preferred embodiment of the present application and is described in detail with reference to the accompanying drawings.

The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural diagram 1 of a backlight source for a communication module according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a backlight source for a communication module according to an embodiment of the disclosure 2;

FIG. 3 is a schematic structural diagram of a diffusion membrane in one embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of an LED lamp bead in an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of a mounting bracket according to an embodiment of the present disclosure;

FIG. 6 is a schematic view illustrating a structure of a light guide plate according to an embodiment of the disclosure;

fig. 7 is an enlarged view at a in fig. 6.

In the above drawings: 100. a mounting seat; 110. positioning a groove; 120. a card slot; 130. positioning seats; 140. a limiting block; 150. a support bar; 160. positioning a rod; 170. a first reinforcing rib; 180. buckling; 190. a second reinforcing rib; 200. a light guide plate; 210. clamping a plate; 220. a lamp slot; 230. a groove; 300. a guide block; 310. a guide hole; 320. a connecting plate; 330. a third reinforcing rib; 400. a diffusion membrane; 410. pasting a glue layer; 500. LED lamp beads; 510. and (7) a pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. In the following description, specific details such as specific configurations and components are provided only to help the embodiments of the present application be fully understood. Accordingly, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, descriptions of well-known functions and constructions are omitted in the embodiments for clarity and conciseness.

It should be appreciated that reference throughout this specification to "one embodiment" or "the embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrase "one embodiment" or "the present embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Further, the present application may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.

The term "at least one" herein is merely an association relationship describing an associated object, and means that there may be three relationships, for example, at least one of a and B, may mean: a exists alone, A and B exist simultaneously, and B exists alone.

It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion.

As shown in fig. 1 to 6, a backlight source for a communication module includes a mounting base 100, and a light source assembly disposed on the mounting base 100.

A positioning seat 130 is disposed above the mounting seat 100, and the positioning seat 130 is used for positioning and mounting the liquid crystal module.

Furthermore, two sides of the mounting base 100 are respectively provided with a limiting block 140 to realize limiting and fixing of the liquid crystal module.

The light source subassembly includes LED lamp pearl 500, light guide plate 200, diffusion barrier 400, be provided with constant head tank 110 on the mount pad 100, light guide plate 200 sets up in constant head tank 110.

The diffusion film 400 is disposed on one side of the light guide plate 200 away from the mounting base 100, and the diffusion film 400 is fixedly connected with the light guide plate 200 by means of adhesive.

Further, referring to fig. 3, two opposite sides of the lower portion of the diffusion film 400 are respectively provided with an adhesive layer 410 to fixedly connect the diffusion film 400 and the light guide plate 200.

A support rod 150 is arranged below the mounting seat 100, and the support rod 150 is used for supporting the mounting seat 100; a positioning rod 160 is arranged below the supporting rod 150, and the positioning rod 160 is used for positioning and connecting with a PCB (circuit board).

The supporting rod 150 is provided with first reinforcing ribs 170 near the mounting base 100, and the number of the first reinforcing ribs 170 is 2 or more than 2, and the first reinforcing ribs are uniformly distributed around the supporting rod 150.

In one embodiment, the number of the first reinforcing ribs 170 is 3, and the 3 first reinforcing ribs 170 are uniformly distributed around the supporting rod 150, so as to further improve the overall structural strength.

Further, referring to fig. 5, a buckle 180 is arranged below the mounting seat 100, and the buckle 180 is used for fixing the PCB; the buckle 180 is provided with a second reinforcing rib 190 near the mounting seat 100 for improving the overall structural strength.

The light guide plate 200 is provided with a clamping plate 210, the mounting base 100 is provided with a clamping groove 120 corresponding to the clamping plate 210, and the light guide plate 200 is fixedly connected with the mounting base 100 through the matching of the clamping plate 210 and the clamping groove 120.

Referring to fig. 6-7, the side of the clamping plate 210 away from the light guide plate 200 is configured to be an arc-shaped structure, which facilitates the assembly of the light guide plate 200 and the mounting base 100.

Further, the number of the clamping plates 210 is 2 or more than 2, and the clamping plates are respectively arranged on two sides of the light guide plate 200.

In one embodiment, the number of the clamping plates 210 is 3, wherein 1 clamping plate 210 is disposed on one side of the light guide plate 200 away from the LED lamp beads 500, 2 clamping plates 210 are disposed on one side of the light guide plate 200 where the LED lamp beads 500 are mounted, and the 2 clamping plates 210 are disposed on two sides of the LED lamp beads 500 respectively.

Further, heat dissipation holes are formed below the mounting seat 100 and are opposite to the clamping groove 120, so that a heat dissipation effect on the power supply assembly is achieved.

A lamp groove 220 is arranged below the light guide plate 200, the LED lamp beads 500 are placed in the lamp groove 220, a groove 230 is arranged on one side of the lamp groove 220, and the groove 230 is used for leading out pins 510 connected with the LED lamp beads 500.

Further, the mount pad 100 is located and just is provided with the notch to light trough 220 department, makes things convenient for LED lamp pearl 500 to install, and the light guide plate 200 side is just being provided with the reflective membrane to notch department, prevents light guide plate 200 side light leak.

A guide block 300 is arranged at the position, opposite to the lamp slot 220, of the mounting base 100, and the guide block 300 is fixedly connected with the mounting base 100 through a connecting plate 320; a third reinforcing rib 330 is arranged between the connecting plate 320 and the mounting base 100, which is beneficial to improving the firmness of the connection between the guide block 300 and the mounting base 100.

The guide block 300 is provided with a guide hole 310, the guide hole 310 is opposite to the groove 230, and the diameter of the guide hole 310 from top to bottom is gradually reduced, so that the installation of the pin 510 connected with the LED lamp bead 500 is facilitated.

The above description is only a preferred embodiment of the present invention, and it is not intended to limit the scope of the present invention, and various modifications and changes may be made by those skilled in the art. Variations, modifications, substitutions, integrations and parameter changes of the embodiments may be made without departing from the principle and spirit of the utility model, which may be within the spirit and principle of the utility model, by conventional substitution or may realize the same function.

Claims

1. The backlight source for the communication module is characterized by comprising a mounting seat (100) and a light source component, wherein the light source component is arranged on the mounting seat (100);

a positioning seat (130) is arranged above the mounting seat (100), and the positioning seat (130) is used for positioning and mounting the liquid crystal module;

the light source assembly comprises an LED lamp bead (500), a light guide plate (200) and a diffusion film (400), a positioning groove (110) is formed in the mounting base (100), and the light guide plate (200) is arranged in the positioning groove (110).

2. The backlight source for the communication module as claimed in claim 1, wherein the diffusion film (400) is disposed on a side of the light guide plate (200) away from the mounting seat (100), and the diffusion film (400) is fixedly connected with the light guide plate (200) by means of adhesive;

and two opposite sides below the diffusion film (400) are respectively provided with an adhesive layer (410) so as to fixedly connect the diffusion film (400) and the light guide plate (200).

3. The backlight for a communication module as claimed in claim 1, wherein a support bar (150) is disposed below the mounting base (100), the support bar (150) is used for supporting the mounting base (100); a positioning rod (160) is arranged below the supporting rod (150), and the positioning rod (160) is used for being connected with the PCB in a positioning mode.

4. The backlight source for the communication module as claimed in claim 3, wherein the supporting rod (150) is provided with a first reinforcing rib (170) near the mounting base (100), and the number of the first reinforcing ribs (170) is 2 or more than 2, and the first reinforcing ribs are uniformly distributed around the supporting rod (150).

5. The backlight source for the communication module as claimed in claim 1, wherein a clip (180) is disposed under the mounting seat (100), the clip (180) is used for fixing a PCB board; the buckle (180) is provided with a second reinforcing rib (190) close to the mounting seat (100) for improving the strength of the whole structure.

6. The backlight source for the communication module as claimed in claim 1, wherein the light guide plate (200) is provided with a clamping plate (210), the mounting base (100) is provided with a clamping groove (120) corresponding to the clamping plate (210), and the light guide plate (200) and the mounting base (100) are fixedly connected through the matching of the clamping plate (210) and the clamping groove (120).

7. The backlight source for the communication module as claimed in claim 6, wherein a side of the clamping plate (210) away from the light guide plate (200) is configured as an arc-shaped structure to facilitate the assembly of the light guide plate (200) and the mounting seat (100).

8. The backlight source for the communication module as claimed in claim 1, wherein a light groove (220) is arranged below the light guide plate (200), the LED lamp beads (500) are placed in the light groove (220), a groove (230) is arranged on one side of the light groove (220), and the groove (230) is used for leading out pins (510) connected with the LED lamp beads (500).

9. The backlight source for the communication module as claimed in claim 8, wherein the mounting base (100) is provided with a guide block (300) opposite to the lamp slot (220), and the guide block (300) is fixedly connected with the mounting base (100) through a connecting plate (320); and a third reinforcing rib (330) is arranged between the connecting plate (320) and the mounting seat (100).

10. The backlight source for the communication module as claimed in claim 9, wherein the guiding block (300) is provided with a guiding hole (310), the guiding hole (310) faces the groove (230), and the diameter of the guiding hole (310) is gradually reduced from top to bottom, so as to facilitate the installation of the pin (510) connected with the LED lamp bead (500).