CN212623466U

CN212623466U - LED backlight device of television display screen

Info

Publication number: CN212623466U
Application number: CN202021100797.XU
Authority: CN
Inventors: 沈杰衡
Original assignee: Guangdong Hanke Industry Co ltd
Current assignee: Guangdong Hanke Industry Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-02-26
Anticipated expiration: 2030-06-15

Abstract

The utility model relates to the technical field of televisions, and discloses a LED backlight device of a television display screen, which comprises an aluminum back plate, a light guide plate, a lamp tube frame and an LED light source, wherein the inner bottom end of the aluminum back plate is provided with the lamp tube frame, the upper end of the lamp tube frame is fixedly connected with the LED light source, the upper end of the LED light source is provided with the light guide plate, the upper left side of the aluminum back plate is provided with a first connecting piece, the first connecting piece is connected with a second connecting piece through an aluminum base strip, one side of the aluminum base strip is fixedly connected with a support column, the upper end of the light guide plate is provided with a piece of shading paper, the LED backlight device suitable for the television display screen utilizes the mutual cooperation effect among the first connecting piece, the second connecting piece, a threaded connection hole, the aluminum base strip and the support column, thereby realizing the rapid and convenient installation of the LED, the backlight module has the advantages of simple structure, reasonable design, low manufacturing cost, good backlight effect and suitability for wide popularization and application.

Description

LED backlight device of television display screen

Technical Field

The utility model relates to a TV set technical field specifically is a LED backlight device of TV set display screen.

Background

The television generally comprises three parts of camera shooting, transmission and image display, wherein one important standard is the type of backlight source, the backlight source device mainly comprises a back plate, a light guide plate and a light source, and the backlight source can be divided into: although there are many types of LED backlight devices, the three types of light sources, i.e., EL, CCFL, and LED, still cannot meet the needs of users.

When the existing LED backlight source device is used, the installation speed is slow and tedious, so that the working efficiency is low, the stability of the device is poor, in addition, the structure is complex, the production cost is high, the backlight effect is to be improved, and the device is not suitable for wide popularization and use, so that the defects are solved by the urgent need of the LED backlight source device of the television display screen.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a LED backlight device of TV set display screen has solved current LED backlight device, and when using, the installation rate is slow and loaded down with trivial details, leads to work efficiency low, and secondly the steadiness of device is relatively poor, and the structure is complicated in addition, and manufacturing cost is high, and the effect of being shaded remains to improve, is unsuitable for the problem of extensive using widely.

The utility model provides a following technical scheme: the utility model provides a LED backlight device of TV set display screen, includes aluminium backplate, light guide plate, pipe support and LED light source, the inside bottom of aluminium backplate is provided with the pipe support, the upper end fixed connection LED light source of pipe support, the upper end of LED light source is provided with the light guide plate, the upper left side of aluminium backplate is provided with a connecting piece, a connecting piece is connected with No. two connecting pieces through aluminium base strip, one side fixed connection support column of aluminium base strip, the upper end of light guide plate is provided with the shading paper, the left side of light guide plate is provided with the reflectance coating, the right side of light guide plate is provided with down the diffusion barrier, the right side of diffusion barrier is provided with the membrane that adds lustre to down, the right side of membrane that adds lustre to is.

Preferably, the quantity of a connecting piece, aluminium base strip, support column and No. two connecting pieces all sets up to two, and equal bilateral symmetry sets up.

Preferably, threaded connection holes are formed in the first connecting piece and the second connecting piece.

Preferably, the upper end of the shading paper is provided with a fixed block, the upper end of the fixed block is connected with the aluminum back plate, and the number of the fixed blocks is three.

Preferably, one end of the supporting column is connected with the aluminum back plate.

Preferably, the number of the lamp tube holders is three.

Compared with the prior art, the utility model discloses possess following beneficial effect:

this LED backlight device suitable for a TV set display screen through setting up connecting piece, No. two connecting pieces, threaded connection hole, aluminium base strip and support column, utilizes the interact of mutually supporting between them to can realize quick convenient installation LED backlight device, improve work efficiency, through setting up the fixed block, can improve the steadiness of device, simple structure in addition, reasonable in design, low in manufacturing cost, it is effectual to be shaded, is fit for extensively using widely.

Drawings

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

fig. 2 is a schematic diagram of a right-view structure inside the aluminum back plate of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. an aluminum back plate; 2. a light guide plate; 3. a lamp tube rack; 4. an LED light source; 5. a first connecting piece; 6. an aluminum base strip; 7. a support pillar; 8. connecting a threaded hole; 9. a reflective film; 10. a masking paper; 11. a lower diffusion film; 12. a brightness enhancement film; 13. an upper diffusion film; 14. a fixed block; 15. and a second connecting piece.

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.

Referring to fig. 1-3, an LED backlight device for a tv display screen comprises an aluminum back plate 1, a light guide plate 2, a lamp tube frame 3 and an LED light source 4, wherein the lamp tube frame 3 is disposed at the bottom inside the aluminum back plate 1, the LED light source 4 is fixedly connected to the upper end of the lamp tube frame 3, the light guide plate 2 is disposed at the upper end of the LED light source 4, a first connecting member 5 is disposed at the upper left side of the aluminum back plate 1, the first connecting member 5 is connected to a second connecting member 15 through an aluminum base strip 6, a supporting column 7 is fixedly connected to one side of the aluminum base strip 6, a piece of masking paper 10 is disposed at the upper end of the light guide plate 2, a reflective film 9 is disposed at the left side of the light guide plate 2, a lower diffusion film 11 is disposed at the right side of the lower diffusion film 11, a brightness enhancement film 12 is disposed at the right side of the brightness enhancement film 12, an, and equal bilateral symmetry sets up, threaded connection hole 8 has all been seted up on connecting piece 5 and No. two connecting pieces 15, utilize the interact between them, thereby can realize quick convenient installation LED backlight device, improve work efficiency, the upper end of anti-dazzling paper 10 is provided with fixed block 14, the upper end of fixed block 14 is connected with aluminium backplate 1, the quantity of fixed block 14 sets up to three, set up the steadiness that fixed block 14 can improve the device, the one end of support column 7 is connected with aluminium backplate 1, the quantity of lamp-house support 3 sets up to three.

The utility model discloses a theory of operation and use flow: during the installation, through threaded connection hole 8 on a connecting piece 5 and No. two connecting pieces 15, cooperate the bolt again to carry out the quick fixation in the TV set, fixed block 14 supports aluminium backplate 1 and light guide plate 2 from inside to outside, the during operation circular telegram, LED light source 4 is with the light irradiation on light guide plate 2, change LED's line light source into the area source through light guide plate 2, the area source increases the reflectivity through reflectance coating 9, after the revision diffusion angle of diffusion barrier 11 and last diffusion barrier 13 under the rethread, utilize membrane 12 that adds lustre to improve luminance, project the liquid crystal display module at last.

It is 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, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An LED backlight device of a television display screen comprises an aluminum back plate (1), a light guide plate (2), a lamp tube rack (3) and an LED light source (4), and is characterized in that; the utility model discloses a LED light source, including aluminium backplate (1), upper end fixed connection LED light source (4) of lamp tube frame (3), the upper end of LED light source (4) is provided with light guide plate (2), the upper left side of aluminium backplate (1) is provided with connecting piece (5), connecting piece (5) are connected with No. two connecting pieces (15) through aluminium base strip (6), one side fixed connection support column (7) of aluminium base strip (6), the upper end of light guide plate (2) is provided with anti-dazzling paper (10), the left side of light guide plate (2) is provided with reflectance coating (9), the right side of light guide plate (2) is provided with diffusion barrier (11) down, the right side of diffusion barrier (11) is provided with membrane (12) that adds lustre to down, the right side of membrane (12) is provided with diffusion barrier (13).

2. The LED backlight device for a tv display screen according to claim 1, wherein: the number of the first connecting piece (5), the aluminum base strip (6), the supporting column (7) and the second connecting piece (15) is two, and the two connecting pieces are arranged symmetrically.

3. The LED backlight device for a tv display screen according to claim 1, wherein: threaded connecting holes (8) are formed in the first connecting piece (5) and the second connecting piece (15).

4. The LED backlight device for a tv display screen according to claim 1, wherein: the upper end of the shading paper (10) is provided with a fixing block (14), the upper end of the fixing block (14) is connected with the aluminum back plate (1), and the number of the fixing blocks (14) is three.

5. The LED backlight device for a tv display screen according to claim 1, wherein: one end of the supporting column (7) is connected with the aluminum back plate (1).

6. The LED backlight device for a tv display screen according to claim 1, wherein: the number of the lamp tube racks (3) is three.