CN211293529U

CN211293529U - Ultra-thin narrow frame backlight

Info

Publication number: CN211293529U
Application number: CN201922355382.0U
Authority: CN
Inventors: 伯红权
Original assignee: Dongguan Yusheng Electronic Technology Co ltd
Current assignee: Dongguan Yusheng Electronic Technology Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-08-18
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses an ultra-thin narrow frame backlight, including bottom plate, reflecting plate, shell fragment board and mounting panel, the mounting groove has been seted up to the upper surface of bottom plate, and the mounting panel welding is at another terminal surface of mounting groove inner wall bottom, and the equidistance has seted up the chip mounting groove on the mounting panel, and the bottom plate adopts aluminium system material to make, and the one end surface mounting of bottom plate has the power cord, the reflecting plate veneer is in the inner wall bottom of mounting groove, and the upper surface veneer of reflecting plate has closed the light guide plate, and the upper surface veneer of light guide plate has closed down the diffuser plate, and the upper surface veneer of lower diffuser plate has closed the prism piece, and the upper surface veneer of prism piece has closed the diffuser plate, shell fragment board symmetry welding is at the both sides. The utility model discloses, compact structure, convenient to use combines together the mounting structure and the heat radiation structure of backlight, and reinforcing heat dissipation function when being convenient for install the backlight satisfies personnel's user demand.

Description

Ultra-thin narrow frame backlight

Technical Field

The utility model relates to a cell-phone backlight technical field specifically is an ultra-thin narrow frame backlight.

Background

The backlight source is a light source located behind the liquid crystal display, the light emitting effect of the backlight source directly affects the visual effect of the liquid crystal display module, the liquid crystal display does not emit light, the backlight source displays figures or the light modulating result, and the selection of the light source is very important in the design of the backlight source. The light source determines the photoelectric parameters of the backlight source such as power consumption, brightness, color and the like, and also determines the characteristics of the backlight source such as use condition, service life and the like, and the following table is a brief introduction of the light source which can be used for the backlight source of the liquid crystal display and the characteristics thereof, namely the type, the color, the power consumption and the service life of the light source.

The backlight source mainly comprises a light source, a light guide plate, an optical die sheet and a structural member, wherein the light source comprises: three backlight source types of EL, CCFL and LED are mainly available; light guide plate: the method comprises printing, chemical etching, precision mechanical engraving, photolithography, internal diffusion, and hot pressing; an optical mold sheet: brightness enhancement film/sheet, diffusion film/sheet, reflection sheet, black/white glue; the structural part: the structural member is provided with: the back plate (iron back plate, aluminum back plate and plastic back plate), the rubber frame, the lamp tube frame, the aluminum section bar and the aluminum base strip, wherein the back plate and the rubber frame are necessary parts, and other structural parts are not completely used.

The heat dissipation efficiency of the general ultrathin narrow-frame mobile phone backlight source is lower under the condition that the volume is changed and the power is not changed, so that the internal heat between components is higher, the service life is shorter, and the adhesive connection structure is unstable during installation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ultra-thin narrow frame backlight, possess compact structure, high durability and convenient use, the mounting structure and the heat radiation structure of backlight combine together, reinforcing heat dissipation function when being convenient for install the backlight, satisfy personnel's user demand advantage, the cell-phone backlight of solving general ultra-thin narrow frame is because its volume becomes down, and its radiating efficiency is lower under the unchangeable condition of power, make the interior heat between the components and parts higher, and life is lower, and in the time of just installing, use the unstable problem of adhesive bonding structure.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an ultra-thin narrow frame backlight, includes bottom plate, reflecting plate, shell fragment board and mounting panel, the mounting groove has been seted up to the upper surface of bottom plate, the reflecting plate veneer is in the inner wall bottom of mounting groove, and the upper surface veneer of reflecting plate has the light guide plate, and the upper surface veneer of light guide plate has lower diffuser plate, and the upper surface veneer of lower diffuser plate has the prism piece, and the upper surface veneer of prism piece has last diffuser plate, shell fragment board symmetric welding is at the both sides outer wall of bottom plate, and the welding has the spring between the shell fragment inboard wall lower extreme.

Preferably, the bottom plate is made of aluminum material, and a power line is mounted on the outer surface of one end of the bottom plate.

Preferably, the contact position of the lower surface of the reflecting plate and the bottom end of the inner wall of the mounting groove is provided with an LED lamp strip group, and the LED lamp strip group is electrically connected with the power line.

Preferably, the original length of the spring is equal to the width of the inner cavity of the spring plate.

Preferably, the mounting plate is welded on the other end face of the bottom end of the inner wall of the mounting groove, and chip grooves are formed in the mounting plate at equal intervals.

Preferably, the number of the elastic sheet plates is four, two elastic sheet plates form a group, and two groups of elastic sheet plates are symmetrically distributed relative to the bottom plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses ultra-thin narrow frame backlight is in the use, through the cooperation constitution backlight subassembly for the cell-phone between each structure, when needs install this device, can use the hand to pinch the shell fragment board of bottom plate both sides, make the both ends of shell fragment board hug closely each other, then place the device wholly in the notch that needs the installation, at this moment, the spring is oppressed and then produces the elasticity that elasticity cooperation shell fragment board self deformation produced and make shell fragment board hug closely the inslot wall, fix the position of this device, and the device work produces the thermal heat transfer to the bottom plate, the bottom plate again transmits the heat through the shell fragment board that closely laminates with external structure, increase the heat radiating area between the structure, compact structure, convenient to use, combine together the mounting structure and the heat radiation structure of backlight, reinforcing heat dissipation function when being convenient for install the backlight, the use requirements of personnel are met.

Drawings

Fig. 1 is a schematic view of the appearance structure of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic side view of the present invention.

In the figure: 1. a power line; 2. a base plate; 3. mounting grooves; 4. a reflective plate; 5. a lower diffuser plate; 6. an upper diffuser plate; 7. a spring plate; 8. a spring; 9. a prism sheet; 10. a light guide plate; 11. and (7) mounting the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: the utility model provides an ultra-thin narrow frame backlight, includes bottom plate 2, reflecting plate 4, shell fragment board 7 and mounting panel 11, and bottom plate 2 adopts aluminium system material to make, and the one end surface mounting of bottom plate 2 has power cord 1, and the welding of mounting panel 11 is at another terminal surface of 3 inner wall bottoms of mounting groove, and equidistant chip groove of having seted up on mounting panel 11.

Mounting groove 3 has been seted up to the upper surface of bottom plate 2, reflecting plate 4 veneer is in the inner wall bottom of mounting groove 3, LED lamp strip group is installed to the lower surface of reflecting plate 4 and the inner wall bottom contact position department of mounting groove 3, be connected electrically between LED lamp strip group and the power cord 1, and the upper surface veneer of reflecting plate 4 has light guide plate 10, the upper surface veneer of light guide plate 10 has lower diffuser plate 5, the upper surface veneer of lower diffuser plate 5 has prismatic lens 9, the upper surface veneer of prismatic lens 9 has last diffuser plate 6, in the use, constitute the backlight subassembly for the cell-phone through the cooperation between each structure.

The piece board 7 altogether four of playing, two play piece boards 7 are a set of, two sets of piece boards 7 are the symmetric distribution for

bottom plate

2, 7 symmetric welds of piece board are at the both sides outer wall of bottom plate 2, and the welding has spring 8 between 7 inner wall lower extremes of piece board, spring 8's original length equals the inner chamber width of piece board 7, when this device of needs installation, the piece board 7 of bottom plate 2 both sides is being held between the fingers to usable hand, make the both ends of piece board 7 hug closely each other, then place the device wholly in the notch that needs the installation.

At this moment, spring 8 receives the oppression and then produces elasticity that elasticity cooperation elastic sheet board 7 self deformation produced and makes elastic sheet board 7 hug closely the inslot wall of external structure, position fixing with the device, and device work produces on hot heat transfer to bottom plate 2, bottom plate 2 again through closely laminating elastic sheet board 7 with external structure with the heat again transmits the heat, increase the heat radiating area between the structure, compact structure, high durability and convenient use, combine together the mounting structure and the heat radiation structure of backlight, reinforcing heat dissipation function when being convenient for install the backlight, satisfy personnel's user demand.

The working principle is as follows: the utility model discloses ultra-thin narrow frame backlight is in the use, constitute the backlight subassembly for the cell-phone through the cooperation between each structure, in the time of this device of needs installation, the shell fragment board 7 of 2 both sides of bottom plate is holding between the fingers to usable hand, make the both ends of shell fragment board 7 hug closely each other, then place the device wholly in the notch that needs the installation, at this moment, spring 8 receives the oppression and then produces the elasticity that elasticity cooperation shell fragment board 7 self deformation produced and make shell fragment board 7 hug closely the inslot wall of external structure, with the device's rigidity, and device work produces on the hot heat transfer of heat arrives bottom plate 2, bottom plate 2 is again through the shell fragment board 7 that closely laminates with external structure and transmits the heat once more, increase the heat radiating area between the structure.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an ultra-thin narrow frame backlight, includes bottom plate (2), reflecting plate (4), bullet piece board (7) and mounting panel (11), its characterized in that: mounting groove (3) have been seted up to the upper surface of bottom plate (2), reflecting plate (4) veneer is in the inner wall bottom of mounting groove (3), and the upper surface veneer of reflecting plate (4) has light guide plate (10), and the upper surface veneer of light guide plate (10) has lower diffuser plate (5), and the upper surface veneer of lower diffuser plate (5) has prism piece (9), and the upper surface veneer of prism piece (9) has last diffuser plate (6), the both sides outer wall of bullet sheet board (7) symmetric welding at bottom plate (2), and the welding has spring (8) between bullet sheet board (7) inner wall lower extreme.

2. The ultra-thin narrow bezel backlight of claim 1, wherein: the bottom plate (2) is made of aluminum materials, and a power line (1) is installed on the outer surface of one end of the bottom plate (2).

3. The ultra-thin narrow bezel backlight of claim 1, wherein: and an LED lamp strip group is installed at the contact position of the lower surface of the reflecting plate (4) and the bottom end of the inner wall of the installation groove (3), and the LED lamp strip group is electrically connected with the power line (1).

4. The ultra-thin narrow bezel backlight of claim 1, wherein: the original length of the spring (8) is equal to the width of the inner cavity of the elastic sheet plate (7).

5. The ultra-thin narrow bezel backlight of claim 1, wherein: the mounting plate (11) is welded on the other end face of the bottom end of the inner wall of the mounting groove (3), and chip grooves are formed in the mounting plate (11) at equal intervals.

6. The ultra-thin narrow bezel backlight of claim 1, wherein: the number of the elastic sheet plates (7) is four, two elastic sheet plates (7) form a group, and two groups of elastic sheet plates (7) are symmetrically distributed relative to the bottom plate (2).