CN219202648U

CN219202648U - Backlight source and flat panel display device with same

Info

Publication number: CN219202648U
Application number: CN202320125565.7U
Authority: CN
Inventors: 曾先; 张夏平; 李德斌
Original assignee: Shenzhen Hengxin Shengda Optoelectronics Co ltd
Current assignee: Shenzhen Hengxin Shengda Optoelectronics Co ltd
Priority date: 2023-01-12
Filing date: 2023-01-12
Publication date: 2023-06-16
Anticipated expiration: 2033-01-12

Abstract

The utility model belongs to the technical field of flat panel displays and discloses a backlight source and a flat panel display device with the backlight source, which comprises a flat panel display shell, wherein two connecting components are positioned in a first concave groove, two fixing blocks are provided with telescopic rods, one ends of the telescopic rods are positioned in the first concave groove and penetrate through the connecting components.

Description

Backlight source and flat panel display device with same

Technical Field

The utility model belongs to the technical field of flat panel displays, and particularly relates to a backlight source and a flat panel display device with the backlight source.

Background

The flat panel display is characterized in that the ratio of the diagonal length of the display screen to the thickness of the whole display is greater than 4: the display device of 1 comprises a liquid crystal display, a plasma display, an electroluminescent display, a vacuum fluorescent display, a flat cathode ray tube, a light emitting diode and the like, wherein the backlight source is an irradiation mechanism for displaying pictures on the display, the conventional backlight source is generally arranged in a flat display shell, then the backlight source is directly adhered to the adhesive tape, then the pictures are displayed on the display finally through the light emission of the backlight source, and the devices in the display generate certain temperature when the display is used for a long time, so that the viscosity of the adhesive tape can be influenced, and the adhesive tape adhered to the inside of the display can be very difficult to clean when the backlight source is damaged and needs to be maintained, so that the cleaning is very time-consuming.

Disclosure of Invention

The utility model aims to provide a backlight source and a flat panel display device with the backlight source, which are used for solving the problem that the adhesive tape is very difficult to clean when the backlight source is damaged and needs to be maintained because the adhesive tape is affected by the temperature generated in the conventional device when the conventional device works for a long time.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a backlight and have flat panel display device of this backlight, includes the flat panel display casing, the fixed block is all installed at the inside both ends of flat panel display casing, two install the light source between the fixed block and place the board, the light source has placed the source board in a poor light on placing the board, two first concave groove has all been seted up to the opposite one side of fixed block, coupling assembling is all installed at the both ends of source board in a poor light, two coupling assembling all is located the inside in first concave groove, two all install the telescopic link on the fixed block, the one end of telescopic link is located the inside in first concave groove and passes coupling assembling.

Preferably, the connecting assembly comprises connecting plates positioned at two ends of the backlight source plate, through holes are formed in the two connecting plates, one end of the telescopic rod is positioned inside the through holes, and the other end of the telescopic rod is provided with a pressing sheet.

Preferably, the second concave grooves are formed in the two fixing blocks, the elastic components are mounted at two ends of the inside of the second concave grooves, the fixing plates are fixedly mounted in the second concave grooves and located on the telescopic rods, and the two ends of the fixing plates are sleeved on the elastic components.

Preferably, the elastic component comprises a sliding rod in the second concave groove, a spring is sleeved on the sliding rod, and the bottom of the spring is abutted to the fixed plate.

Preferably, a plurality of heat dissipation holes are formed in two sides of the flat panel display shell, and dust screens are arranged in the heat dissipation holes.

Preferably, the flat panel display housing is provided with a mounting groove inside, and a display screen is placed inside the mounting groove.

Compared with the prior art, the utility model has the following beneficial effects:

(1) The utility model is provided with the light source placing plate, the telescopic rod and the fixed blocks, and the fixed blocks are arranged at the two ends of the inner wall of the flat panel display shell, so that the light source placing plate is arranged between the two fixed blocks, and further, when a backlight source plate needs to be maintained or replaced, the telescopic rod is directly pulled upwards, and then the fixed plate can decompress the spring in the second concave groove, so that one end of the telescopic rod can enter the second concave groove, and the backlight source plate can be directly taken out, and the adhesive tape does not need to be cleaned, thereby improving the working efficiency.

(2) According to the telescopic rod, the connecting plate and the through holes are arranged, the through holes are square through holes, and the telescopic rod can directly enter the square through holes on the connecting plate, so that no matter how the flat panel display screen shell shakes, the backlight source plate on the light source placing plate cannot shake, and therefore the light source of a display device cannot be influenced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is a top view of the connection plate of the present utility model;

in the figure: 1. a flat panel display housing; 2. a mounting groove; 3. a display screen; 4. a dust screen; 5. a light source placing plate; 6. a backlight source plate; 7. a heat radiation hole; 8. a first concave groove; 9. a fixing plate; 10. a connecting plate; 11. a slide bar; 12. a spring; 13. a telescopic rod; 14. pressing the sheet; 15. a second concave groove; 16. a fixed block; 17. and a through hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides the following technical solutions: the utility model provides a backlight and have flat panel display device of this backlight, including flat panel display casing 1, fixed block 16 is all installed at the inside both ends of flat panel display casing 1, install light source between two fixed blocks 16 and place board 5, place backlight source board 6 on the board 5 is placed to the light source, first concave groove 8 has all been seted up to the opposite one side of two fixed blocks 16, coupling assembling is all installed at the both ends of backlight source board 6, two coupling assembling all are located the inside of first concave groove 8, all install telescopic link 13 on two fixed blocks 16, the one end of telescopic link 13 is located the inside of first concave groove 8 and passes coupling assembling, when backlight source board 6 damages and needs to change, directly pulling the pressing plate 14 of telescopic link 13 one end, at this moment telescopic link 13 can be in second concave groove 15 and remove, and then the one end of telescopic link 13 can follow coupling assembling and remove backlight source board 6 from light source place board 5, new backlight source board 6 again.

Further, the connecting assembly comprises connecting plates 10 located at two ends of the backlight source plate 6, through holes 17 are formed in the two connecting plates 10, one end of each telescopic rod 13 is located inside each through hole 17, the other end of each telescopic rod 13 is provided with a pressing piece 14, through the through holes 17 in the positive direction formed in the connecting plates 10, and therefore after the square telescopic rods 13 enter the through holes 17, a limiting effect can be formed, and accordingly the backlight source plate 6 is prevented from shaking.

Still further, the second concave grooves 15 are formed in the two fixing blocks 16, the elastic components are mounted at two ends of the inner portions of the two second concave grooves 15, the fixing plates 9 are fixedly mounted on the telescopic rods 13 and are sleeved at two ends of the fixing plates 9, and when the telescopic rods 13 move in the second concave grooves 15, the fixing plates 9 on the telescopic rods 13 also move along with the telescopic rods, so that the elastic components are decompressed at two ends of the fixing plates 9.

Specifically, the elastic component includes the slide bar 11 in the second concave groove 15, and the cover is equipped with spring 12 on the slide bar 11, and the bottom butt of spring 12 is on fixed plate 9, and when the both ends of fixed plate 9 slides on slide bar 11, fixed plate 9 can decompress the spring 12 of cover on slide bar 11.

It should be noted that, a plurality of heat dissipation holes 7 are formed on two sides of the flat panel display housing 1, the dust screen 4 is mounted in the heat dissipation holes 7, the heat dissipation holes 7 prevent the heat in the flat panel display housing from being too high, the service life of the internal parts is affected, and the dust screen 4 prevents dust from entering.

Further, the flat panel display casing 1 is provided with a mounting groove 2, the display screen 3 is placed in the mounting groove 2, and the mounting groove 2 is specially used for placing the display screen 3.

The working principle and the using flow of the utility model are as follows: when the utility model is used, when the backlight source plate 6 in the flat panel display shell 1 needs to be replaced, the pressing piece 14 positioned at one end of the telescopic rod 13 is directly pulled, at this time, the pressing piece 14 drives the telescopic rod 13 to move in the second concave groove 15, so that the fixed plate 9 positioned on the telescopic rod 13 can decompress the spring 12 sleeved on the sliding rod 11, further, one end of the telescopic rod 13 can directly come out of the through hole 17 formed on the connecting plate 10, then the backlight source plate 6 is directly taken out of the light source placing plate 5, and new backlight source plate is replaced, wherein the mounting groove 2 formed in the flat panel display shell 1 is specially used for placing the display screen 3, the heat dissipation holes 7 formed in two sides of the flat panel display shell 1 are used for preventing the generated temperature from being too high when internal devices work, and the dust prevention net 4 is used for preventing dust from entering the inside of the flat panel display shell 1.

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

Claims

1. A backlight source and a flat panel display device having the same are characterized in that: including flat panel display casing (1), fixed block (16) are all installed at the inside both ends of flat panel display casing (1), two install light source between fixed block (16) and place board (5), place on light source place board (5) and be shaded source board (6), two first concave groove (8) have all been seted up to one side that fixed block (16) are relative, coupling assembling is all installed at the both ends of shaded source board (6), two coupling assembling all is located the inside of first concave groove (8), two telescopic link (13) are all installed on fixed block (16), the one end of telescopic link (13) is located the inside of first concave groove (8) and passes coupling assembling.

2. The backlight of claim 1 and the flat panel display device having the same, wherein: the connecting assembly comprises connecting plates (10) positioned at two ends of the backlight source plate (6), through holes (17) are formed in the two connecting plates (10), one end of the telescopic rod (13) is positioned inside the through holes (17), and a pressing sheet (14) is arranged at the other end of the telescopic rod (13).

3. The backlight of claim 2 and the flat panel display device having the same, wherein: two second concave grooves (15) are formed in the fixing blocks (16), elastic components are mounted at two ends of the inside of the second concave grooves (15), fixing plates (9) are fixedly mounted in the second concave grooves (15) and located on the telescopic rods (13), and two ends of each fixing plate (9) are sleeved on the elastic components.

4. A backlight as claimed in claim 3 and a flat panel display device having the same, wherein: the elastic component includes slide bar (11) in second concave groove (15), the cover is equipped with spring (12) on slide bar (11), the bottom butt of spring (12) is on fixed plate (9).

5. The backlight of claim 4 and the flat panel display device having the same, wherein: a plurality of radiating holes (7) are formed in two sides of the flat panel display shell (1), and dustproof nets (4) are arranged in the radiating holes (7).

6. The backlight of claim 5 and the flat panel display device having the same, wherein: the flat panel display is characterized in that an installation groove (2) is formed in the flat panel display shell (1), and a display screen (3) is arranged in the installation groove (2).