CN216748363U

CN216748363U - Backlight source capable of emitting light at 45-degree oblique angle

Info

Publication number: CN216748363U
Application number: CN202123158219.9U
Authority: CN
Inventors: 喻彬彬
Original assignee: Suzhou Naiji Plastic Industry Co ltd
Current assignee: Suzhou Naiji Plastic Industry Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-06-14
Anticipated expiration: 2031-12-15

Abstract

The utility model relates to a backlight source emitting light at an oblique angle of 45 degrees, which comprises a rubber frame, a lamp bead, a light guide plate, a reflecting film, a diffusion film and a shading film, wherein the lamp bead is arranged at one corner of the rubber frame; a battery is arranged below the rubber frame, a through hole is formed in the rubber frame, an arc-shaped buckle is arranged at the through hole below the rubber frame, and the battery is fixed on the rubber frame through the arc-shaped buckle; a liquid crystal buckle is arranged on one side above the rubber frame and used for fixing the liquid crystal module during installation; the glue frame is provided with a positioning groove, and the light guide plate is arranged in the positioning groove. The utility model discloses a with the lamp pearl setting in the one corner department of gluing frame and light guide plate, the 45 degrees oblique angles that realize the backlight are luminous, are equipped with the battery, realize portable function, need communicate the restriction of power when avoiding using, simultaneously, are provided with pilot lamp mount pad, infrared receiver mount pad, infrared transmitting tube mount pad, improve the functionality of backlight greatly.

Description

Backlight source capable of emitting light at 45-degree oblique angle

Technical Field

The utility model belongs to the technical field of the backlight technique and specifically relates to a be luminous backlight in 45 degrees oblique angles.

Background

The backlight is a light source placed on the back surface as the name implies, and may be understood as an auxiliary light emitting member placed on the back surface of an object to emit light to an object in front of the object. The backlight product is a non-standard or fixed article, which is a product that converts point light into surface light.

The backlight mainly comprises plug-in components lamp, light guide plate, diffusion barrier, bordure membrane, and at present, the function singleness of backlight, its light source all are that to be 90 degrees angles luminous, and need be connected the circular telegram with the power during use, and to some portable products, the application of backlight has received very big restriction.

Therefore, the backlight source capable of emitting light at the oblique angle of 45 degrees 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 emitting light at an oblique angle of 45 degrees, so as to achieve oblique-angle light emission of the backlight, achieve a portable function, and improve functionality of the backlight.

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

A backlight source emitting light at an oblique angle of 45 degrees comprises a rubber frame, lamp beads, a light guide plate, a reflecting film, a diffusion film and a shading film, wherein the lamp beads are arranged at one corner of the rubber frame;

a battery is arranged below the rubber frame, a through hole is formed in the rubber frame, an arc-shaped buckle is arranged at the through hole below the rubber frame, and the battery is fixed on the rubber frame through the arc-shaped buckle;

a liquid crystal buckle is arranged on one side above the rubber frame and used for fixing the liquid crystal module during installation;

the glue frame is provided with a positioning groove, the light guide plate is arranged in the positioning groove, the reflecting film is arranged on one side, close to the positioning groove, of the light guide plate, the diffusion film is arranged on one side, far away from the glue frame, of the light guide plate, and the shading film is arranged between the diffusion film and the light guide plate.

Preferably, the two opposite sides of the light guide plate are both provided with clamping plates, the rubber frame is provided with clamping grooves corresponding to the clamping plates, and the light guide plate is fixedly connected with the rubber frame through the matching of the clamping plates and the clamping grooves;

one side that the light guide plate was kept away from to the cardboard sets up to the arc structure, makes things convenient for the light guide plate and glues the frame equipment.

Preferably, a liquid crystal pin positioning seat is arranged on one side, opposite to the liquid crystal buckle, of the rubber frame, liquid crystal pin positioning holes are formed in the liquid crystal pin positioning seat and distributed in an array mode, and the hole diameter of each liquid crystal pin positioning hole is gradually reduced from top to bottom.

Preferably, the rubber frame is provided with a mounting table on one side of the liquid crystal pin positioning seat, and the mounting table is provided with an indicator lamp mounting seat, an infrared receiver mounting seat and an infrared transmitting tube mounting seat, wherein the number of the indicator lamp mounting seats is 2, and the indicator lamp mounting seats are respectively used for placing red led lamps and yellow led lamps.

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

Preferably, a guide seat is arranged at the position, right opposite to the lamp groove, below the rubber frame, a guide hole is formed in the guide seat, the guide hole is right opposite to the notch, and therefore installation of pins connected with lamp beads is facilitated.

Preferably, the diameter of the guide hole is gradually reduced from top to bottom, so that the installation of pins connected with the lamp beads is facilitated.

Preferably, the light shielding film includes a first light shielding film disposed on a side close to the lamp bead and a second light shielding film disposed on a side opposite to the first light shielding film.

The utility model discloses the beneficial technological effect who obtains:

the utility model solves the problems in the prior art, realizes the 45-degree oblique angle luminescence of the backlight source by arranging the lamp bead at one corner of the rubber frame and the light guide plate, is provided with a battery, realizes the portable function, avoids the limitation of communicating a power supply when in use, and is provided with an indicator lamp mounting seat, an infrared receiver mounting seat and an infrared transmitting tube mounting seat, thereby greatly improving the functionality of the backlight source; the light guide plate is closely fixed with gluing through the buckle mode between the frame, and the leaded light is effectual, and the equipment is simple and convenient, effectively avoids both to break away from, glues to be provided with the constant head tank on the frame, and 4 sides all are provided with the bounding wall, conveniently realize that the location of light guide plate is fixed, and the setting of bounding wall can realize the shading of light guide plate side, has saved the pad pasting process of light guide plate side and bottom surface, greatly reduced production and processing cost.

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, as illustrated in 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 view of a structure above a 45 degree angled illumination backlight in one embodiment of the present disclosure;

FIG. 2 is a schematic view of a structure below a 45 degree angled illumination backlight according to one embodiment of the present disclosure;

FIG. 3 is a schematic structural view illustrating the assembly of a plastic frame, a reflective film and a lamp bead according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a rubber frame according to an embodiment of the present disclosure;

fig. 5 is a schematic structural diagram of a light guide plate according to an embodiment of the disclosure.

In the above drawings: 100. a rubber frame; 110. positioning a groove; 120. a through hole; 130. an arc-shaped buckle; 140. liquid crystal buckle; 150. a liquid crystal positioning seat; 160. a liquid crystal pin positioning seat; 161. a liquid crystal pin positioning hole; 170. an installation table; 171. an indicator lamp mounting base; 172. an infrared receiver mount; 173. an infrared emission tube mounting base; 180. a card slot; 190. a guide seat; 191. a guide hole; 200. a lamp bead; 210. a pin; 300. a light guide plate; 310. a lamp slot; 311. a notch; 320. clamping a plate; 400. a reflective film; 500. a diffusion membrane.

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 facilitate a thorough understanding of embodiments of the present application. 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 5, a backlight source emitting light at an oblique angle of 45 degrees includes a plastic frame 100, a lamp bead 200, a light guide plate 300, a reflective film 400, a diffusion film 500, and a light shielding film, wherein the lamp bead 200 is disposed at one corner of the plastic frame 100.

A battery (not marked in the drawing) is arranged below the rubber frame 100, a through hole 120 is arranged on the rubber frame 100, an arc-shaped buckle 130 is arranged at the through hole 120 below the rubber frame 100, and the battery is fixed on the rubber frame 100 through the arc-shaped buckle 130.

A liquid crystal buckle 140 is arranged on one side above the rubber frame 100, and the liquid crystal buckle 140 is used for fixing the liquid crystal module during installation.

Further, the lamp beads 200 are LED lamp beads, so that the illumination efficiency is high, the power consumption is low, and the service life is long.

Glue and be provided with constant head tank 110 on the frame 100, light guide plate 300 sets up in constant head tank 110, reflectance coating 400 sets up the one side that is close to constant head tank 110 at light guide plate 300, diffusion barrier 500 sets up the one side of keeping away from gluey frame 100 at light guide plate 300, the photomask sets up between diffusion barrier 500 and light guide plate 300, and reflectance coating 400, light guide plate 300, diffusion barrier 500 and photomask one side are through rubberizing mode fixed connection.

Referring to fig. 2, a liquid crystal pin positioning seat 160 is disposed on a side of the rubber frame 100 opposite to the liquid crystal clip 140, liquid crystal pin positioning holes 161 are disposed on the liquid crystal pin positioning seat 160, the liquid crystal pin positioning holes 161 are distributed in an array, and the diameters of the liquid crystal pin positioning holes 161 are gradually reduced from top to bottom, so that the liquid crystal pin installation is facilitated, and the installation efficiency is effectively improved.

Further, a liquid crystal positioning seat 150 is arranged on one side of the upper side of the rubber frame 100 opposite to the liquid crystal buckle 140, and the liquid crystal positioning seat 150 is used for positioning the liquid crystal module during later installation.

A guide seat 190 is arranged at the position right opposite to the lamp groove 310 below the rubber frame 100, a guide hole 191 is formed in the guide seat 190, and the guide hole 191 is right opposite to the notch 311, so that the installation of the pin 210 connected with the lamp bead is facilitated.

Furthermore, the diameter of the guide hole 191 is gradually reduced from top to bottom, so that the installation of the pins 210 connected with the lamp beads is facilitated, and the installation efficiency is greatly improved.

In one embodiment, a mounting table 170 is disposed on one side of the liquid crystal pin positioning seat 160 on the rubber frame 100, an indicator lamp mounting seat 171, an infrared receiver mounting seat 172, and an infrared emission tube mounting seat 173 are disposed on the mounting table 170, and the number of the indicator lamp mounting seats 171 is 2, and the indicator lamp mounting seats are respectively used for placing red led lamps and yellow led lamps.

Further, all be provided with on the pilot lamp mount pad 171141 and prevent slow-witted groove, effectively avoid positive negative pole to adorn anti-conversely.

The utility model discloses a PCB (printed circuit board) gluing machine, including gluey frame 100, be provided with the bracing piece below gluey frame 100, the bracing piece is used for supporting gluey frame 100, is provided with the reference column on the bracing piece, and the reference column is used for realizing being connected with the location of PCB board (circuit board).

The both sides of bracing piece all are provided with the strengthening rib, improve the bracing piece greatly and glue frame 100's joint strength, and then improve the bulk strength after the installation.

Referring to fig. 5, two opposite sides of the light guide plate 300 are provided with clamping plates 320, and the rubber frame 100 is provided with clamping grooves 180 corresponding to the clamping plates 320, so that the light guide plate 300 is fixedly connected with the rubber frame 100 through the matching of the clamping plates 320 and the clamping grooves 180.

In one embodiment, the number of the clamping plates 320 is 4, and the clamping plates are uniformly distributed on two opposite sides of the light guide plate 300.

Further, one side of the clamping plate 320, which is far away from the light guide plate 300, is provided with an arc-shaped structure, so that the light guide plate 300 and the rubber frame 100 can be assembled conveniently.

A lamp groove 310 is arranged below the light guide plate 300, the lamp beads are placed in the lamp groove 310, a notch 311 is formed in one side of the lamp groove 310, and the notch 311 is used for leading out pins 210 connected with the lamp beads.

Further, the shading film comprises a first shading film and a second shading film, the first shading film is arranged on one side close to the lamp beads, and the second shading film is arranged on the side opposite to the first shading film.

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. All changes, modifications, substitutions, integrations and parameter changes to the embodiments, which are within the spirit and principle of the invention, can be made by conventional substitution or can realize the same function without departing from the principle and spirit of the invention, and all fall into the protection scope of the invention.

Claims

1. The backlight source capable of emitting light at an oblique angle of 45 degrees is characterized by comprising a rubber frame (100), lamp beads (200), a light guide plate (300), a reflecting film (400), a diffusion film (500) and a shading film, wherein the lamp beads (200) are arranged at one corner of the rubber frame (100);

a battery is arranged below the rubber frame (100), a through hole (120) is formed in the rubber frame (100), an arc-shaped buckle (130) is arranged below the rubber frame (100) and at the through hole (120), and the battery is fixed on the rubber frame (100) through the arc-shaped buckle (130);

a liquid crystal buckle (140) is arranged on one side above the rubber frame (100), and the liquid crystal buckle (140) is used for fixing the liquid crystal module during installation;

be provided with constant head tank (110) on gluey frame (100), light guide plate (300) set up in constant head tank (110), reflectance coating (400) set up in one side that light guide plate (300) are close to constant head tank (110), diffusion barrier (500) set up in one side that gluey frame (100) was kept away from in light guide plate (300), the photomask sets up between diffusion barrier (500) and light guide plate (300).

2. The backlight source emitting light at an oblique angle of 45 degrees according to claim 1, wherein the light guide plate (300) is provided with clamping plates (320) at two opposite sides, the rubber frame (100) is provided with clamping grooves (180) corresponding to the clamping plates (320), and the light guide plate (300) and the rubber frame (100) are fixedly connected through the matching of the clamping plates (320) and the clamping grooves (180);

one side of the clamping plate (320) far away from the light guide plate (300) is arranged to be of an arc-shaped structure, so that the light guide plate (300) and the rubber frame (100) are convenient to assemble.

3. The backlight source with 45 degree oblique angle illumination according to claim 1, wherein a liquid crystal pin positioning seat (160) is disposed on a side of the rubber frame (100) opposite to the liquid crystal clip (140), liquid crystal pin positioning holes (161) are disposed on the liquid crystal pin positioning seat (160), the liquid crystal pin positioning holes (161) are distributed in an array, and the apertures of the liquid crystal pin positioning holes (161) are gradually reduced from top to bottom.

4. The backlight source with the 45-degree oblique angle illumination function according to claim 3, wherein a mounting table (170) is arranged on one side, located on the liquid crystal pin positioning seat (160), of the rubber frame (100), an indicator lamp mounting seat (171), an infrared receiver mounting seat (172) and an infrared emission tube mounting seat (173) are arranged on the mounting table (170), and the number of the indicator lamp mounting seats (171) is 2, and the indicator lamp mounting seats are used for placing red led lamps and yellow led lamps respectively.

5. The backlight source emitting light at an oblique angle of 45 degrees according to claim 1, wherein a light groove (310) is disposed below the light guide plate (300), the lamp beads (200) are disposed in the light groove (310), a notch (311) is disposed on one side of the light groove (310), and the notch (311) is used for leading out pins connected with the lamp beads (200).

6. The backlight source capable of emitting light at an oblique angle of 45 degrees according to claim 5, wherein a guide seat (190) is arranged under the rubber frame (100) and opposite to the lamp groove (310), a guide hole (191) is arranged on the guide seat (190), and the guide hole (191) is opposite to the notch (311), so that a pin for connecting the lamp bead (200) can be conveniently installed.

7. The backlight source emitting light at an oblique angle of 45 degrees as claimed in claim 6, wherein the guiding holes (191) are gradually reduced in aperture from top to bottom, so as to facilitate pin installation for connection of the lamp beads (200).

8. The backlight that emits light at an oblique angle of 45 degrees as recited in claim 1, wherein the light blocking film comprises a first light blocking film disposed on a side near the lamp bead (200) and a second light blocking film disposed on a side opposite the first light blocking film.