Light bar, backlight module prepared by adopting light bar, display prepared by adopting backlight module and television prepared by adopting display

Abstract

The utility model relates to a light bar, a backlight module prepared by adopting the light bar, a display prepared by adopting the backlight module and a television prepared by adopting the display. The light bar comprises a light panel and a plurality of positioning mounting parts, the positioning installation part comprises a positioning pit and / or a positioning through hole, and the side face where the positioning installation part is located is located on the opposite side of the side face where the lamp installation part is located. The backlight module comprises a back plate, positioning joint parts are arranged on the side face of the back plate, each positioning joint part comprises a positioning protruding part, and the positioning protruding parts and the positioning installation parts are in one-to-one correspondence. The light bar has the advantages that the light bar is convenient to position and simple in structure, foreign matters in a module matched with the light bar in the production process can be reduced due to the fact that screws are not required to be screwed, production efficiency is improved, yield is improved, and inspection time is shortened.

Description

Technical Field

[0001] The utility model relates to an installation technology of a light bar, in particular to a light bar, a backlight module prepared by using the light bar, a display prepared by using the backlight module, and a television prepared by using the display. Background Art

[0002] In the prior art, the method of screwing is usually adopted to fix the light bar on the backlight module. Since screws need to be screwed one by one during the installation of the light bar, the production efficiency is slow, and the backplane of the backlight module is likely to have its threads stripped or the screw heads stripped during the screwing process. After the threads are stripped, the repair time will be very long.

[0003] The utility model patent with the patent name of "Backlight Module Device and Interactive Flat Panel" authorized and announced on May 10, 2022 discloses a backlight module device and an interactive flat panel. The backlight module device includes a light bar, a backplane, a first reflector and a second reflector; the light bar is arranged at the inner bottom of the backplane, and the first reflector is arranged on both sides of the light bar; the light bar includes a refraction sheet, a light source and a main board; the refraction sheet and the light source are arranged on the same side of the main board, the refraction sheet surrounds the light source, and the second reflector is arranged at the lower end of the refraction sheet. The second reflector is arranged at the lower end of the refraction sheet to reflect the light refracted below the refraction sheet, avoiding light leakage. The light emitted by the light source is reflected in all directions, improving the utilization rate of light. However, when the light bar is fixed on the backlight module by the method of screwing, problems such as slow production efficiency, easy thread stripping and long repair time after thread stripping will occur. Summary of the Utility Model

[0004] In order to solve the above problems existing in the prior art, the purpose of the utility model is to provide a light bar, a backlight module prepared by using the light bar, a display prepared by using the backlight module, and a television prepared by using the display.

[0005] A light bar according to the utility model includes: a light board and a plurality of positioning and installation parts; the positioning and installation parts include positioning pits and / or positioning through holes, and the side where the positioning and installation parts are located is on the opposite side of the side where the lamp installation part is located.

[0006] Preferably, the number of the positioning and installation parts is 2-8.

[0007] Preferably, the positioning pit is one of a hemispherical pit, a square pit, a rectangular pit, a rounded rectangular pit, a polygonal pit or a polygonal pit with rounded corners.

[0008] Preferably, the positioning through hole is one of a round hole, a square hole, a rectangular hole, a rounded rectangular hole, a polygonal hole or a polygonal hole with rounded corners.

[0009] The present utility model also provides a backlight module prepared from the light bar in any of the above technical solutions, including a backplane, wherein a positioning engagement portion is provided on a side surface of the backplane, and each positioning engagement portion includes a positioning protrusion portion, and the positioning protrusion portion corresponds to the positioning and mounting portion one by one.

[0010] Preferably, the light board is bonded to the backplane, and the bonding method is integral bonding or bonding the positioning engagement portion and the positioning and mounting portion in a one-to-one correspondence manner.

[0011] Preferably, when the positioning and mounting portion includes the positioning through hole, each positioning engagement portion further includes a positioning fastening member, and the positioning protrusion portion passes through the positioning through hole and is fastened and bonded to the positioning fastening member.

[0012] Preferably, the bonding material is hot melt adhesive.

[0013] The present utility model also provides a display, including the backlight module in any of the above technical solutions.

[0014] The present utility model also provides a television, including the display in any of the above technical solutions.

[0015] The advantages of the light bar of the present utility model are convenient positioning, simple structure, and since no screws need to be driven, the foreign matters in the production process of the matching module can be reduced, the production efficiency can be improved, the yield rate can be increased, and the inspection time can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of a light bar of the present utility model;

[0017] Figure 2 is a schematic structural diagram of a backlight module of the present utility model;

[0018] Figure 3 is a schematic structural diagram of a positioning fastening member ( Figure 2 ) in the present utility model.

[0019] DESCRIPTION OF REFERENCE NUMERALS:

[0020] 100 Lamp board 110 Positioning and mounting part 111 Positioning pit 112 Positioning through hole 200 Backplane 210 Positioning joint part 211 Positioning convex part 212 Positioning fastening part DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Referring to Figure 1 as shown, a light bar of the present utility model includes: a light board 100 and a plurality of positioning and mounting portions 110; the positioning and mounting portion 110 includes a positioning pit 111 and / or a positioning through hole 112, and the side surface where the positioning and mounting portion 110 is located is on the opposite side of the side surface where the lamp mounting portion is located.

[0022] In specific implementation, the positioning and mounting parts 110 on the lamp board 100 correspond to and are adaptively engaged with the corresponding positioning and engaging parts 210 on the backlight module one by one. When the positioning and mounting part 110 is the positioning pit 111, the positioning and engaging part 210 is snap-fitted in or cooperates with the positioning pit 111 to achieve the positioning function. When the positioning and mounting part 110 is the positioning through-hole 112, the positioning protrusion part 211 in the positioning and engaging part 210 passes through the positioning through-hole 112 to achieve the positioning function. The lamp board 100 can be connected to the backlight module by a connection method in the prior art. For example, it can be snap-fitted in the positioning pit 111, the positioning and engaging part 210 is passed through the positioning through-hole 112 and snap-connected to the lamp board 100, or the lamp strip is bonded to the backlight module. The advantages of the lamp strip of the present utility model are convenient positioning, simple structure, and since no screws need to be driven, the foreign matters in the production process of the matching module can be reduced, the production efficiency can be improved, the yield can be increased, and the inspection time can be reduced.

[0023] Preferably, the number of the positioning and mounting parts 110 is 2-8.

[0024] In specific implementation, when the number of the positioning and mounting parts 110 is 2, the positioning and mounting parts 110 are distributed at both ends or both sides of the lamp board 100. When the number of the positioning and mounting parts 110 is 3 or more, generally, the positioning and mounting parts 110 are distributed in the length direction of the lamp board 100, and can be evenly distributed or unevenly distributed. In some cases, the positioning and mounting parts 110 are simultaneously distributed in the length direction and the width direction of the lamp board 100, and can also be evenly distributed or unevenly distributed.

[0025] Preferably, the positioning pit 111 is one of a hemispherical pit, a square pit, a rectangular pit, a rounded rectangular pit, a polygonal pit, or a polygonal pit with rounded corners.

[0026] In specific implementation, using the positioning pit 111 with the above shape can better cooperate with the positioning and engaging part 210 with a matching shape, so as to better achieve the positioning function and fix the lamp board 100 on the backlight template.

[0027] Preferably, the positioning through-hole 112 is one of a circular hole, a square hole, a rectangular hole, a rounded rectangular hole, a polygonal hole, or a polygonal hole with rounded corners.

[0028] In specific implementation, using the positioning through-hole 112 with the above shape can better cooperate with the positioning and engaging part 210 with a matching shape, structure, and composition, so as to better achieve the positioning function and fix the lamp board 100 on the backlight template.

[0029] The present utility model further provides a backlight module prepared by using the light bar described in any of the above technical solutions. For its specific structure, refer to Figure 2 As shown, it further includes a back plate 200. A positioning joint portion 210 is provided on the side surface of the back plate 200. Each positioning joint portion 210 includes a positioning protrusion portion 211, and the positioning protrusion portion 211 corresponds to the positioning installation portion 110 one by one.

[0030] During specific implementation, the positioning protrusion portion 211 and the positioning installation portion 110 correspond to each other one by one and their structures are mutually adapted, so that the two can better realize the positioning function and fix the lamp board 100 on the backlight template. The lamp board 100 is positioned on the back plate 200 by the way of engagement or cooperation between the positioning installation portion 110 and the positioning protrusion portion 211. The specific ways include but are not limited to that when the positioning installation portion 110 is the positioning pit 111, the positioning joint portion 210 is snapped into or cooperates with the positioning pit 111 to realize the positioning function; when the positioning installation portion 110 is the positioning through hole 112, the positioning protrusion portion 211 in the positioning joint portion 210 passes through the positioning through hole 112 to realize the positioning function.

[0031] Preferably, the lamp board 100 is bonded to the back plate 200, and the bonding method is overall bonding or bonding the positioning joint portion 210 and the positioning installation portion 110 in a one-to-one correspondence manner.

[0032] During specific implementation, when the lamp board 100 is positioned on the back plate 200 through the positioning installation portion 110, it is fixed on the back plate 200 by means of bonding. The overall bonding means that the side surface of the lamp board 100 with the positioning installation portion 110 is bonded to the back plate 200 on the basis of being positioned on the back plate 200. Another bonding method is to bond the positioning joint portion 210 and the positioning installation portion 110 in a one-to-one correspondence manner without bonding the entire side surface with the positioning installation portion 110. The bonding material used is the bonding material in the prior art, and those skilled in the art can select the bonding material in the prior art according to actual needs. This bonding method is simple and convenient.

[0033] Preferably, when the positioning installation portion 110 includes the positioning through hole 112, each positioning joint portion 210 further includes a positioning fastening member 212. The positioning protrusion portion 211 passes through the positioning through hole 112 and is fastened and bonded with the positioning fastening member 212. The positioning fastening member 212 refers to Figure 3 As shown, but its shape is not limited to Figure 3 .

[0034] In specific implementation, the positioning and fastening member 212 can better fix and position the lamp board 100 through a fastening method.

[0035] Preferably, the bonding material is hot melt adhesive.

[0036] In specific implementation, the hot melt adhesive can be sprayed on the back plate 200, which is convenient and time-saving to use and has low cost.

[0037] The present utility model further provides a display, including the backlight module described in any one of the above technical solutions.

[0038] The present utility model further provides a television, including the display described in any one of the above technical solutions.

[0039] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by orientation words such as "front, back, up, down, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. is usually based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description. Without contrary description, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation to the protection scope of the present utility model.

[0040] For those skilled in the art, various corresponding changes and deformations can be made according to the technical solutions and concepts described above, and all these changes and deformations should fall within the protection scope of the claims of the present utility model.

Claims

1. A light bar, characterized in that, Comprising: A lamp board (100) and a plurality of positioning and mounting parts (110); the positioning and mounting parts (110) include positioning pits (111) and / or positioning through holes (112), and the side where the positioning and mounting parts (110) are located is on the opposite side of the side where the lamp mounting part is located.

2. The light bar according to claim 1, characterized in that, The number of the positioning and mounting parts (110) is 2 - 8.

3. The light bar according to claim 1 or 2, characterized in that, The positioning pit (111) is one of a hemispherical pit, a square pit, a rectangular pit, a rounded rectangular pit, a polygonal pit or a polygonal pit with rounded corners.

4. The light bar according to claim 1 or 2, characterized in that The positioning through hole (112) is one of a circular hole, a square hole, a rectangular hole, a rounded rectangular hole, a polygonal hole or a polygonal hole with rounded corners.

5. A backlight module prepared by using the light bar according to any one of claims 1 to 4, characterized in that, It further includes a back plate (200), a positioning engagement part (210) is arranged on the side of the back plate (200), and each positioning engagement part (210) includes a positioning protrusion part (211), and the positioning protrusion part (211) corresponds to the positioning and mounting part (110) one by one.

6. The backlight module according to claim 5, wherein The lamp board (100) is bonded to the back plate (200), and the bonding method is integral bonding or bonding the positioning engagement part (210) and the positioning and mounting part (110) in a one-to-one correspondence manner.

7. The backlight module according to claim 6, wherein When the positioning and mounting part (110) includes the positioning through hole (112), each positioning engagement part (210) further includes a positioning fastening part (212), and the positioning protrusion part (211) passes through the positioning through hole (112) and is fastened and bonded with the positioning fastening part (212).

8. The backlight module according to any one of claims 6 to 7, characterized in that, The bonding material is hot melt adhesive.

9. A display, characterized in that, Comprising the backlight module according to any one of claims 5 to 8.

10. A television set, characterized in that, Comprising the display according to claim 9.

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