CN212989834U

CN212989834U - LED backlight source with anti-light-transmission structure

Info

Publication number: CN212989834U
Application number: CN202021917035.9U
Authority: CN
Inventors: 丘钊雍
Original assignee: Dongguan Fuzheng Electronic Co ltd
Current assignee: Dongguan Fuzheng Electronic Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-04-16
Anticipated expiration: 2030-09-04

Abstract

The utility model discloses a LED backlight with prevent light-transmitting structure, including the casing, the spout has been seted up to the inboard top one side of casing first fixed plate of fixedly connected with, the spout is provided with two sets ofly, the spout sets up to protruding type mechanism, and is two sets of the inboard slidable mounting of spout has the second fixed plate, first fixed plate and second fixed plate all set up to L type structure, the lamp plate is installed jointly to first fixed plate inboard and second fixed plate inboard, LED lamp pearl is installed to lamp plate bottom one side, LED lamp pearl is the array and arranges, the light guide plate is installed to casing bottom inboard, second fixed plate top one side fixedly connected with connecting plate, the connecting plate is provided with two sets ofly, and is two sets of the equal fixed mounting in connecting plate one side has the slider. The utility model discloses a change the mounting means of the light source of LED backlight, make the light source be convenient for install and dismantle, be convenient for change when the light source damages.

Description

LED backlight source with anti-light-transmission structure

Technical Field

The utility model relates to a LED backlight technical field specifically is a LED backlight with prevent light transmission structure.

Background

The LED backlight source mainly comprises a light source, a light guide plate, an optical film, a plastic frame and the like. The backlight source has the characteristics of high brightness, long service life, uniform light emission and the like. LED backlights have a longer lifetime (over 5000 hours) than EL and use dc voltages and are typically used in small monochrome displays such as phones, remote controls, microwave ovens, air conditioners, instruments, stereo audio equipment, etc. The development of backlights can be traced back to the second war period. At the time, a subminiature tungsten lamp was used as a backlight source for aircraft instruments. This is the initial stage of backlight development. Through development of half a century, the backlight source has become an electronic independent subject nowadays and gradually forms a research and development hotspot. With the development of liquid crystal display technology, the application field of liquid crystal displays, especially color liquid crystal displays, is also widening. Pulled by the market of liquid crystal displays and the backlight industry, the liquid crystal display displays a splendid scene.

Some existing LED backlight sources with light-transmitting-preventing structures are troublesome to install and detach, and are inconvenient to replace when damaged. Therefore, we propose an LED backlight with a structure for preventing light transmission.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED backlight with prevent light-transmitting structure, through the mounting means who changes the light source of LED backlight, make the light source be convenient for install and dismantle, be convenient for change when the light source damages to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a LED backlight with prevent light-transmitting structure, includes the casing, the first fixed plate of inboard top one side fixedly connected with of casing, the spout has been seted up to inboard top one side of casing, the spout is provided with two sets ofly, the spout sets up to protruding type mechanism, and is two sets of the inboard slidable mounting of spout has the second fixed plate, first fixed plate and second fixed plate all set up to L type structure, the lamp plate is installed jointly to first fixed plate inboard and second fixed plate inboard, LED lamp pearl is installed to lamp plate bottom one side, LED lamp pearl is the array and arranges, the light guide plate is installed to casing bottom inboard.

Preferably, one side of the top of the second fixing plate is fixedly connected with a connecting plate, the connecting plate is provided with two groups, two groups of sliding blocks are fixedly mounted on one side of the connecting plate, and the two groups of sliding blocks are slidably mounted on the inner side of the sliding groove.

Preferably, second fixed plate one side fixedly connected with third fixed plate, the third fixed plate is provided with two sets ofly, two sets of equal threaded mounting in third fixed plate bottom one side has the screw thread knob, and is two sets of screw thread knob one end all compresses tightly the laminating with casing inboard top one side.

Preferably, threaded holes are formed in one side of the bottom of the second fixing plate, the threaded knobs are mounted inside the threaded holes in a threaded mode, and chamfers are arranged on one sides of the second fixing plates.

Preferably, one side of the shell is fixedly connected with a fourth fixing plate, the fourth fixing plate is provided with four groups, and fixing holes are formed in one side of each of the four groups of the fourth fixing plate.

Preferably, one side of the top of the shell is provided with heat dissipation holes, and the heat dissipation holes are arranged in an array.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a change the mounting means of the light source of LED backlight, when the light source damages and needs to be changed, take off the light guide plate earlier, then not hard up screw thread knob, slide the second fixed plate to keeping away from lamp plate one side after that, take off the lamp plate, change the lamp plate, thereby change the light source, it is inboard to put into first fixed plate and second fixed plate with new lamp plate, then rotate the position fixation of screw thread knob with the second fixed plate, at last, installing the light guide plate, the light source of LED backlight is convenient for install and dismantle in this kind of design, be convenient for change when the light source damages.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention;

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

fig. 3 is a schematic view of the internal structure of the present invention viewed from the bottom.

In the figure: 1. a housing; 2. a first fixing plate; 3. a chute; 4. a second fixing plate; 5. a lamp panel; 6. LED lamp beads; 7. a light guide plate; 8. a connecting plate; 9. a slider; 10. a third fixing plate; 11. a threaded knob; 12. a threaded hole; 13. chamfering; 14. a fourth fixing plate; 15. a fixing hole; 16. and (4) heat dissipation holes.

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, the present invention provides a technical solution:

this LED backlight with prevent light-transmitting structure, which comprises a housin 1, the first fixed plate 2 of 1 inboard top one side fixedly connected with of casing, first fixed plate 2 and the cooperation of second fixed plate 4 are used for installing lamp plate 5, spout 3 has been seted up to 1 inboard top one side of casing, 3 slidable mounting second fixed plate 4 of being convenient for of spout, spout 3 is provided with two sets ofly, spout 3 sets up to protruding type mechanism, 3 inboard slidable mounting of two sets of spouts has second fixed plate 4, first fixed plate 2 and second fixed plate 4 all set up to L type structure, lamp plate 5 is installed jointly to 2 inboards of first fixed plate and 4 inboards of second fixed plate, lamp plate 5 is used for installing LED lamp pearl 6, LED lamp pearl 6 is installed to 5 bottom one sides of lamp plate, LED lamp pearl 6 is the array and arranges, light guide plate 7 is installed to 1.

4 top one side fixedly connected with connecting plate 8 of second fixed plate, connecting plate 8 are used for installing slider 9, and connecting plate 8 is provided with two sets ofly, and the equal fixed mounting in two sets of connecting plates 8 one side has slider 9, and the equal slidable mounting of two sets of sliders 9 is in 3 inboards of spout, and

slider

9 and 3 cooperation use of spout are convenient for slidable mounting second fixed plate 4.

4 one side fixedly connected with third fixed plate 10 of second fixed plate, third fixed plate 10 is provided with two sets ofly, and threaded knob 11 is installed to the equal screw thread in two sets of third fixed plate 10 bottom one sides, and two sets of threaded knob 11 one ends all compress tightly the laminating with 1 inboard top one side of casing, and third fixed plate 10 and the cooperation of threaded knob 11 use the position that is used for injecing second fixed plate 4.

Threaded hole 12 is all seted up to two sets of third fixed plates 10 bottom one side, and threaded hole 12 is used for screw thread installation screw thread knob 11, and two sets of screw thread knob 11 equal threaded mounting are inside screw hole 12, and two sets of third fixed plates 10 one side all is provided with chamfer 13, avoids sharp angle fish tail to people.

A fourth fixing plate 14 is fixedly connected to one side of the housing 1, four groups of fourth fixing plates 14 are arranged, fixing holes 15 are formed in one sides of the four groups of fourth fixing plates 14, and the fourth fixing plates 14 and the fixing holes 15 are matched for use and are used for fixing the housing 1.

One side of the top of the casing 1 is provided with heat dissipation holes 16, the heat dissipation holes 16 are arranged in an array, and the heat dissipation holes 16 are used for heat dissipation.

During the specific use, when the light source damages and needs to be changed, take off light guide plate 7 earlier, then not hard up screw thread knob 11, slide second fixed plate 4 to keeping away from 5 one side of lamp plate after that, take off lamp plate 5, change lamp plate 5, thereby change the light source, put into first fixed

plate

2 and 4 inboards of second fixed plate with new lamp plate 5, then rotate screw thread knob 11 with the rigidity of second fixed plate 4, at last, 7 the outfit light guide plate, the light source of this kind of design messenger LED backlight is convenient for install and dismantle, be convenient for change when the light source damages.

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 with a light transmission prevention structure comprises a shell (1), and is characterized in that: casing (1) inboard top one side fixedly connected with first fixed plate (2), spout (3) have been seted up to casing (1) inboard top one side, spout (3) are provided with two sets ofly, spout (3) set up to protruding type mechanism, and are two sets of spout (3) inboard slidable mounting has second fixed plate (4), first fixed plate (2) and second fixed plate (4) all set up to L type structure, lamp plate (5) are installed jointly to first fixed plate (2) inboard and second fixed plate (4) inboard, LED lamp pearl (6) are installed to lamp plate (5) bottom one side, LED lamp pearl (6) are the array and arrange, light guide plate (7) are installed to casing (1) bottom inboard.

2. The LED backlight source with the structure for preventing the light transmission as claimed in claim 1, wherein: second fixed plate (4) top one side fixedly connected with connecting plate (8), connecting plate (8) are provided with two sets ofly, two sets of equal fixed mounting in connecting plate (8) one side has slider (9), and is two sets of equal slidable mounting in spout (3) inboard of slider (9).

3. The LED backlight source with the structure for preventing the light transmission as claimed in claim 1, wherein: second fixed plate (4) one side fixedly connected with third fixed plate (10), third fixed plate (10) are provided with two sets ofly, and are two sets of screw thread knob (11) are installed to the equal screw thread in third fixed plate (10) bottom one side, and are two sets of screw thread knob (11) one end all compresses tightly the laminating with casing (1) inboard top one side.

4. The LED backlight source with the light transmission preventing structure as claimed in claim 3, wherein: threaded holes (12) are formed in one side of the bottom of the third fixing plate (10), the threaded knobs (11) are installed in the threaded holes (12) in a threaded mode, and chamfers (13) are arranged on one side of the third fixing plate (10).

5. The LED backlight source with the structure for preventing the light transmission as claimed in claim 1, wherein: one side of the shell (1) is fixedly connected with a fourth fixing plate (14), four groups of the fourth fixing plates (14) are arranged, and fixing holes (15) are formed in one side of each of the four groups of the fourth fixing plates (14).

6. The LED backlight source with the structure for preventing the light transmission as claimed in claim 1, wherein: one side of the top of the shell (1) is provided with heat dissipation holes (16), and the heat dissipation holes (16) are arranged in an array.