CN217238568U - Light source assembly, backlight module and display device - Google Patents
Light source assembly, backlight module and display device Download PDFInfo
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- CN217238568U CN217238568U CN202220888754.5U CN202220888754U CN217238568U CN 217238568 U CN217238568 U CN 217238568U CN 202220888754 U CN202220888754 U CN 202220888754U CN 217238568 U CN217238568 U CN 217238568U
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- light source
- clamping
- source assembly
- adapter
- circuit board
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Abstract
The utility model discloses a light source component, a backlight module and a display device, wherein, the light source component comprises a plurality of light bars and a connector; the end part of the lamp strip is provided with a connecting end; the connecting end is provided with a limiting structure; the adaptor is provided with a plurality of clamping structures, and the connecting end is connected with one side of the adaptor clamping structure; the clamping structure is provided with a locking structure, and the locking structure is clamped into the limiting structure; the lamp strip is electrically connected with the adaptor. The technical scheme of the utility model is that the two lamp strips are spliced by the adapter, so that the light source component is conveniently lengthened; the connecting ends of the light bars are clamped with the clamping structure of the adapter, and the limiting structure and the locking structure are matched with each other, so that the light bars and the adapter bracket can be connected in place, and the short circuit of the light bars due to the fact that the light bars are not connected in place is avoided; limiting structure and locking structure still have the reinforcing effect simultaneously, avoid being connected insecurely between lamp strip and the adaptor and lead to the condition that opens circuit to appear.
Description
Technical Field
The utility model relates to a liquid crystal display technical field, in particular to light source subassembly, backlight unit and display device.
Background
The liquid crystal display module consists of a liquid crystal panel and a backlight module, and the length of the light bar is longer and longer along with the increase of the size of the backlight module; as the requirement of consumers on brightness is higher and higher, the number of the light bars used in the backlight module is also higher and higher; in actual production, the light bar generally adopts an aluminum substrate with the thickness of 1mm and the width of more than 12mm, and the longer the light bar is, the longer the optical lens mounting and proofing stroke is, and the requirement on a mounting machine is high; in order to ensure the quality of the light bar, the requirement of the industry on the length of the circuit board does not exceed 1.2 meters at present, and the best requirement is ensured within 1 meter. In the existing large-size backlight module, a male and female base is generally adopted to connect a circuit board, but in actual production, the problems of short circuit, open circuit and the like of the circuit board often occur due to the fact that the circuit board is not connected in place and is not firm in the mode, and the light source cannot work normally.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a light source subassembly aims at solving and has connecting the condition not in place and insecure between the circuit board to reduce the circuit board and appear the short circuit, the scheduling problem that opens circuit and influence the light source and normally work.
In order to achieve the above object, the present invention provides a light source assembly, including:
the lamp strips are provided with connecting ends at the end parts; the connecting end is provided with a limiting structure;
the adapter is provided with a plurality of clamping structures, and the connecting end is connected with one side of each clamping structure; the clamping structure is provided with a locking structure, and the locking structure is clamped in the limiting structure; the lamp strip is electrically connected with the adaptor.
Preferably, the adaptor further comprises an adaptor circuit board, and the clamping structure is arranged on the adaptor circuit board; the clamping structure is electrically connected with the switching circuit board.
Preferably, both sides of the clamping structure are provided with clamping cavities, and the connecting end is located in the clamping cavity; the plurality of connecting ends are arranged along the length extending direction of the switching circuit board at equal intervals.
Preferably, the locking structure comprises an elastic bulge and an insertion hole, the elastic bulge is arranged in the insertion hole, and the clamping cavity is communicated with the insertion hole; the elastic bulge is positioned in the limiting structure.
Preferably, the elastic protrusion comprises a spring and a protrusion block, and one end of the spring is connected with the protrusion block; the spring is positioned in the placing hole, and the bulge is positioned at the opening of the placing hole.
Preferably, the connecting end is provided with an insert which is arranged on one side of the connecting end, which is far away from the light bar; the plug-in components are provided with the limiting structures.
Preferably, the plug-in components include a plurality of conductive metal strips, the limit structure includes a limit hole, and the elastic bulge is clamped into the limit hole.
Preferably, the connecting end further comprises a terminal and a connecting sheet, the terminal is fixedly connected with the light bar, and the connecting sheet is connected with the terminal; the connecting piece is arranged on one side of the plug-in unit and is electrically connected with the light bar; the connecting sheet is positioned in the clamping cavity, and an electric connecting part corresponding to the connecting sheet is arranged in the clamping cavity; the electric connection part is electrically connected with the switching circuit board; the connecting sheet is electrically connected with the electric connection part.
The utility model also provides a backlight module, which comprises the light source component, a back plate, a reflector plate, a light guide plate, an optical diaphragm, a diffusion plate and a rubber frame; the back plate, the reflector plate, the light source assembly, the light guide plate, the optical film, the diffusion plate and the rubber frame are sequentially stacked.
The utility model also provides a display device, including foretell backlight unit.
The technical scheme of the utility model is that the two lamp strips are spliced by the adapter, so that the light source component is conveniently lengthened; the connecting end of the light bar is clamped with the clamping structure of the adapter, and the light bar and the adapter bracket can be connected in place by utilizing the mutual matching of the limiting structure and the locking structure, so that the short circuit of the light bar due to the incomplete connection is avoided; limiting structure and locking structure still have the reinforcing effect simultaneously, avoid being connected insecure between lamp strip and the adaptor and lead to appearing the broken circuit, influence the normal condition such as work of light source subassembly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a light source assembly according to the present invention.
Fig. 2 is a schematic structural diagram of an adapter in an embodiment of the light source assembly of the present invention.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Fig. 4 is a schematic structural view of a light bar in an embodiment of a light source assembly of the present invention.
Fig. 5 is a schematic view of another view angle of the light bar in an embodiment of the light source assembly of the present invention.
Fig. 6 is a schematic structural diagram of a clamping structure in an embodiment of a light source assembly according to the present invention.
Fig. 7 is a schematic cross-sectional view taken along line B-B in fig. 6.
Fig. 8 is a schematic cross-sectional view at C-C in fig. 6.
Fig. 9 is a schematic structural diagram of a backlight module according to an embodiment of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
221 | |
| 11 | Connecting |
222 | |
| 111 | Plug-in |
23 | |
| 112 | Terminal with a |
10 | |
| 113 | |
20 | |
| 12 | |
30 | |
| 2 | |
40 | |
| 21 | |
50 | |
| 211 | |
60 | |
| 22 | |
70 | Rubber frame |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 efforts belong to the protection scope of the present invention.
It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a light source subassembly.
Referring to fig. 1 to 8, in an embodiment of the present invention, the light source assembly includes a plurality of light bars 1 and an adaptor 2; the end parts of the light bars 1 are provided with connecting ends 11; the connecting end 11 is provided with a limiting structure 12; the adaptor 2 is provided with a plurality of clamping structures 21, and the connecting end 11 is connected with one side of the clamping structures 21 of the adaptor 2; a locking structure 22 is arranged on the clamping structure 21, and the locking structure 22 is clamped in the limiting structure 12; the lamp strip 1 is electrically connected with the adaptor 2.
In the structure, the two light bars 1 are spliced by the adapter 2, so that the whole light source component is conveniently lengthened; the connecting end 11 of the light bar 1 is clamped with the clamping structure 21 of the adapter 2, and the limiting structure 12 and the locking structure 22 are matched with each other, so that the light bar 1 and the adapter 2 support can be connected in place, and short circuit of the light bar 1 due to incomplete connection is avoided; limiting structure 12 and locking structure 22 still have the reinforcing effect simultaneously, avoid being connected insecurely between lamp strip 1 and the adaptor 2 and lead to appearing the broken circuit, influence the circumstances such as light source subassembly normal work.
The lamp strip 1 comprises a circuit board, an LED light source and an optical lens, wherein the circuit board is electrically connected with the LED light source, and the optical lens covers the LED light source. It should be noted that the connection end 11 is electrically connected to the circuit board, and the adapter plate is electrically connected to the connection end 11 through the clamping structure 21.
The connecting end 11 further comprises a terminal 112 and a connecting sheet 113, the terminal 112 is fixedly connected with the light bar 1, and the connecting sheet 113 is connected with the terminal 112; the connecting piece 113 is disposed on one side of the plug 111, and the connecting piece 113 is electrically connected to the light bar 1. In the above structure, the plug-in 111 at least includes two conductive metal strips, which are respectively disposed on two sides of the connecting piece 113, so as to prevent the connecting piece 113 from being damaged during the plugging process of the light bar 1, thereby protecting the circuit.
The connecting sheet 113 is located in the clamping cavity 211, an electric connection portion corresponding to the connecting sheet 113 is arranged in the clamping cavity 211, and the connecting sheet 113 is electrically connected with the adapter circuit board 23 through the electric connection portion. The lamp strip 1 is electrically connected with the connecting part of the adapter part 2 through the connecting sheet 113, and when power needs to be supplied to the lamp strip 1, the lamp strip can be connected with an external power supply through the adapter part 2, so that the number of wires used can be reduced; thereby saving the time for arranging and fixing the wire in production and improving the processing efficiency.
The adaptor 2 further comprises an adaptor circuit board 23, and the clamping structure 21 is arranged on the adaptor circuit board 23; the clamping structure 21 is electrically connected with the adapting circuit board 23.
In the structure, the lamp strips 1 are electrically connected with the adaptor 2 through the connecting ends 11, and the scheme that wires are used for connecting the lamp strips 1 in the prior art is replaced by the adaptor circuit board; the circuit board is adopted to replace wires, so that the time for arranging and fixing the wires in the production process can be saved, and the processing efficiency is improved. In addition, the space occupied by the wire rod during installation can be saved.
The clamping cavities 211 are arranged on two sides of the clamping structure 21, and the connecting end 11 is located in the clamping cavities 211; the plurality of connecting ends 11 are arranged along the length extending direction of the adapter circuit board 23 at equal intervals. The liquid crystal display screen comprises a liquid crystal panel and a backlight module; the backlight module comprises a light source component; the backlight module generally comprises a direct type light bar and a side type light bar, and the length of the direct type light bar 1 is longer and longer along with the increasing size of the module; therefore, the light source module needs to splice a plurality of light bars 1 together so that the light source can cover the whole liquid crystal panel. The clamping structures 21 are symmetrically arranged by taking the length extending direction of the adapter piece 2 as a central line, and the clamping structures 21 on the two sides are simultaneously connected with the light bars 1, so that the two light bars 1 are combined and then extend for a later length; similarly, the light bars 1 can be connected to the connection ends 11 equidistantly arranged along the length extending direction of the adapting circuit board 23, so as to increase the transverse coverage area of the light bars 1.
The locking structure 22 comprises an elastic protrusion 221 and an insertion hole 222, the elastic protrusion 221 is disposed in the insertion hole 222, and the clamping cavity 211 is communicated with the insertion hole 222. In the structure, the connecting end 11 at the end of the light bar 1 is clamped into the clamping cavity 211 of the clamping structure 21, and meanwhile, the connecting end 11 extends into the inserting hole 222, so that the elastic protrusion 221 is clamped into the limiting structure 12. It should say that, the top of elastic bulge 221 receives external force to produce deformation, make elastic bulge 221 compressed and withdraw from limit structure 12, conveniently separate lamp strip 1 and adaptor 2, have and follow up with connecing along with usefulness, make things convenient for the split, labour saving and time saving's advantage.
The elastic protrusion 221 includes a spring and a protrusion, and one end of the spring is connected with the protrusion; the spring is located in the insertion hole 222, and the protrusion is located at the opening of the insertion hole 222. In the structure, the top of the protrusion is pressed down by external force to compress the spring, and finally the protrusion exits from the limiting structure 12, so that the lamp strip 1 can be separated from the adapter 2. It should be noted that the spring may also be other elastic members with a rebound function in the prior art.
The connecting end 11 is provided with a plug-in unit 111, and the plug-in unit 111 is arranged on one side of the connecting end 11, which is far away from the light bar 1; the plug-in 111 is provided with the limiting structure 12. In the structure, when the connecting end 11 is inserted into the clamping cavity 211, the plug-in unit 111 is positioned at the upper part of the insertion hole 222, and when the external force at the top of the protrusion is removed, the spring is restored, so that the protrusion is clamped into the limiting structure 12 again, the light bar 1 and the adapter 2 can be connected in place, and the short circuit of the light bar 1 due to the fact that the connection is not in place is avoided; limiting structure 12 still has the reinforcing effect with protruding cooperation simultaneously, avoids being connected insecure between lamp strip 1 and the adaptor 2 and leads to appearing the broken circuit, influences the circumstances such as light source subassembly normal work. It should be noted that the spring may also be other elastic members with a rebound function in the prior art.
The plug-in 111 includes a plurality of conductive metal strips, the limit structure 12 includes a limit hole, and the elastic protrusion 221 is clamped into the limit hole. In the structure, the conductive metal strip is made of a metal material with high strength, so that damage to the lamp strip 1 during plugging and unplugging is avoided, and the connection stability of the lamp strip 1 and the adaptor 2 is ensured.
The technical scheme of the utility model is that the two lamp strips 1 are spliced by the adapter 2, so that the light source component is conveniently lengthened; the connecting end 11 of the lamp strip 1 is clamped with the clamping structure 21 of the adapter piece 2, and the limiting structure 12 and the locking structure 22 are matched with each other, so that the lamp strip 1 and the adapter piece 2 support can be connected in place, and short circuit of the lamp strip 1 due to incomplete connection is avoided; limiting structure 12 and locking structure 22 still have the reinforcing effect simultaneously, avoid being connected insecurely between lamp strip 1 and the adaptor 2 and lead to appearing the broken circuit, influence the circumstances such as light source subassembly normal work.
The utility model discloses still provide a backlight unit, this backlight unit include the light source subassembly, and the concrete structure of this light source subassembly refers to above-mentioned embodiment, because this backlight unit has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, no longer gives unnecessary details one by one here. Referring to fig. 9, the backlight module further includes a back plate 10, a reflective sheet 20, a light guide plate 40, an optical film 50, a diffusion plate 60, and a rubber frame 70; the back plate 10, the reflective sheet 20, the light source assembly 30, the light guide plate 40, the optical film 50, the diffusion plate 60, and the adhesive frame 70 are sequentially stacked.
The utility model discloses still provide a display device, this present device includes backlight unit, and this backlight unit's concrete structure refers to above-mentioned embodiment, because this display device has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. A light source assembly, comprising:
the lamp strips are provided with connecting ends at the end parts; a limiting structure is arranged on the connecting end;
the adapter is provided with a plurality of clamping structures, and the connecting end is connected with one side of each clamping structure; the clamping structure is provided with a locking structure, and the locking structure is clamped in the limiting structure; the lamp strip is electrically connected with the adaptor.
2. The light source assembly of claim 1, wherein the adapter further comprises an adapter circuit board, and the clamping structure is disposed on the adapter circuit board; the clamping structure is electrically connected with the switching circuit board.
3. The light source component of claim 2, wherein clamping cavities are formed on two sides of the clamping structure, and the connecting end is located in the clamping cavities; the plurality of clamping structures are arranged along the length extending direction of the switching circuit board at equal intervals.
4. The light source component of claim 3, wherein the locking structure comprises an elastic protrusion and an insertion hole, the elastic protrusion is arranged in the insertion hole, and the clamping cavity is communicated with the insertion hole; the elastic bulge is positioned in the limiting structure.
5. The light source assembly of claim 4, wherein the resilient projection comprises a spring and a projection, one end of the spring being connected to the projection; the spring is positioned in the placing hole, and the bulge is positioned at the opening of the placing hole.
6. The light source assembly of any one of claims 4 to 5, wherein the connecting end is provided with an insert, the insert being disposed on a side of the connecting end away from the light bar; the plug-in components are provided with the limiting structures.
7. The light source assembly of claim 6, wherein the insert comprises a plurality of conductive metal strips, the limiting structure comprises a limiting hole, and the elastic protrusion is clamped into the limiting hole.
8. The light source assembly of claim 6, wherein the connection end further comprises a terminal and a connection piece, the terminal is fixedly connected with the light bar, and the connection piece is connected with the terminal; the connecting piece is arranged on one side of the plug-in unit and is electrically connected with the lamp strip; the connecting sheet is positioned in the clamping cavity, and an electric connecting part corresponding to the connecting sheet is arranged in the clamping cavity; the electric connection part is electrically connected with the adapter circuit board; the connecting sheet is electrically connected with the electric connection part.
9. A backlight module, comprising the light source module of any one of claims 1 to 8, further comprising a back plate, a reflective sheet, a light guide plate, an optical film, a diffusion plate, and a plastic frame; the back plate, the reflector plate, the light source assembly, the light guide plate, the optical film, the diffusion plate and the rubber frame are sequentially stacked.
10. A display device comprising the backlight module of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220888754.5U CN217238568U (en) | 2022-04-15 | 2022-04-15 | Light source assembly, backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220888754.5U CN217238568U (en) | 2022-04-15 | 2022-04-15 | Light source assembly, backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217238568U true CN217238568U (en) | 2022-08-19 |
Family
ID=82819064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220888754.5U Active CN217238568U (en) | 2022-04-15 | 2022-04-15 | Light source assembly, backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217238568U (en) |
-
2022
- 2022-04-15 CN CN202220888754.5U patent/CN217238568U/en active Active
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| GR01 | Patent grant |