CN215112144U

CN215112144U - LED lamp strip and backlight module

Info

Publication number: CN215112144U
Application number: CN202120732533.4U
Authority: CN
Inventors: 刘欣; 尤君平; 李圣; 余彦飞; 陈伟雄; 洪文生
Original assignee: Shenzhen Skyworth RGB Electronics Co Ltd
Current assignee: Shenzhen Skyworth RGB Electronics Co Ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-12-10
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses a LED lamp area and backlight unit relates to the lighting technology field. The LED lamp strip comprises a positive lead, a negative lead and a plurality of LED lamps. The negative electrode lead and the positive electrode lead are arranged at intervals. The LED lamps are distributed at intervals along the length direction of the anode lead, the LED lamps are arranged between the anode lead and the cathode lead, the anode pin of the LED lamp is connected with the anode lead, and the cathode pin of the LED lamp is connected with the cathode lead. The negative lead and the positive lead can supply power for the LED lamp through the positive pin and the negative pin so that the LED lamp can emit light, and the LED lamps can form a lamp strip shape and are suitable for illumination of the backlight module. Due to the adoption of the anode lead and the cathode lead, a PCB or a socket is not required to be arranged, and the material cost of the LED lamp strip can be greatly reduced; and the lamp strip pasting on the PCB is not needed, so that the design cost, the labor cost and the manufacturing time of the backlight module are reduced.

Description

LED lamp strip and backlight module

Technical Field

The utility model relates to the field of lighting technology, especially, relate to a LED lamp area and backlight unit.

Background

Fig. 1 is a schematic cross-sectional view of a conventional direct type module, and as shown in fig. 1, the conventional direct type LED light bar mainly includes an LED lamp 110, a light bar PCB100 and a back plate 130, the LED lamp 110 is fixed on the back plate 130 by dispensing or screwing, and a lens 120 is disposed on the LED lamp 110. At present, no technical cost-reducing space exists in the design form, and the assembly cost is high and the assembly efficiency is low.

Therefore, there is a need for an LED strip and a backlight module, which can reduce the assembly cost and improve the assembly efficiency.

SUMMERY OF THE UTILITY MODEL

A first object of the utility model is to provide a LED lamp area can reduce the production installation cost in LED lamp area to improve the installation effectiveness in LED lamp area.

A second object of the present invention is to provide a backlight module, which can reduce the manufacturing cost of the backlight module and improve the production efficiency of the backlight module.

For realizing the above technical effect, the technical scheme of the utility model as follows:

a LED light strip, comprising: a positive electrode lead; the negative electrode lead and the positive electrode lead are arranged at intervals; the LED lamp comprises a plurality of LED lamps, the LED lamps are distributed at intervals along the length direction of the positive lead, the LED lamps are arranged between the positive lead and the negative lead, the positive pin of the LED lamp is connected with the positive lead, and the negative pin of the LED lamp is connected with the negative lead.

Furthermore, the LED lamp further comprises a plurality of connecting structures, each connecting structure is arranged on the bottom wall of one LED lamp, and the connecting structures are used for fixing the LED lamps.

Further, the connection structure comprises a heat-conducting back adhesive.

A backlight module includes: a back plate; the LED strip is disposed on the back plate.

Furthermore, the backlight module further comprises a plurality of lenses, and each lens corresponds to one LED lamp of the LED lamp strip.

Furthermore, a positioning bump is further arranged on the back plate and used for positioning the lens.

Furthermore, a plurality of LED positioning parts are arranged on the back plate and used for positioning the LED lamp.

Furthermore, a plurality of lead positioning portions are arranged on the back plate and used for positioning the anode lead or the cathode lead of the LED lamp strip, and the backlight module further comprises a fixing piece which is used for fixing the anode lead or the cathode lead on the back plate.

Further, the lead positioning part comprises a lead positioning reticle, and the fixing part comprises a double-sided adhesive tape.

Furthermore, the backboard is provided with a wire outlet hole, and the anode lead and the cathode lead of the LED lamp strip penetrate through the wire outlet hole and are connected with a power supply.

The utility model discloses a beneficial effect does: according to the utility model discloses a LED lamp area, relative prior art's lamp strip need not to use parts such as PCB base plate, lamp strip socket, need not to carry out LED paster processing procedure to the production installation cost in LED lamp area has been reduced, and the installation effectiveness in LED lamp area has been improved.

The utility model discloses an another beneficial effect does: according to the utility model discloses backlight unit, owing to have before LED lamp area, anodal lead wire and negative pole lead wire can be installed on the backplate fast conveniently, and the LED lamp also can fix on the backplate comparatively conveniently, and with the anodal pin and the anodal pin connection of LED lamp again, with negative pole pin and negative pole pin connection, can install LED lamp area on the backplate conveniently. Therefore, the production cost of the backlight module can be reduced, and the production efficiency of the backlight module is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of an LED light bar and a backlight module in the prior art.

Fig. 2 is a schematic structural diagram of an LED strip according to an embodiment of the present invention;

fig. 3 is a schematic view of a partial structure of an LED strip according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a back plate according to an embodiment of the present invention;

FIG. 5 is an enlarged partial schematic view of FIG. 4 at A;

fig. 6 is a schematic structural diagram of a backlight module according to an embodiment of the present invention;

fig. 7 is a partially enlarged structural view at B in fig. 6.

Reference numerals

100. A light bar PCB; 110. an LED lamp; 120. a lens; 130. a back plate;

1. a positive electrode lead;

2. a negative electrode lead;

31. an LED lamp; 32. a positive electrode pin; 33. a negative electrode pin; 34. a connecting structure;

4. a back plate; 41. a wire outlet hole; 5. a lens; 6. positioning the salient points;

7. an LED positioning part; 8. a lead positioning portion; 9. and a fixing member.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

It will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing and simplifying the invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The specific structure of the LED strip and the backlight module according to the embodiment of the present invention is described below with reference to fig. 2 to 6.

As shown in fig. 2-6, fig. 2 discloses a LED strip comprising a positive lead 1, a negative lead 2 and a plurality of LED lamps 31. The negative electrode lead 2 is spaced apart from the positive electrode lead 1. The LED lamps 31 are distributed at intervals along the length direction of the anode lead 1, the LED lamps 31 are arranged between the anode lead 1 and the cathode lead 2, the anode pin 32 of the LED lamps 31 is connected with the anode lead 1, and the cathode pin 33 of the LED lamps 31 is connected with the cathode lead 2.

It is understood that the negative and

positive leads

2 and 1 can supply power to the LED lamp 31 through the positive and

negative leads

32 and 33 to enable the LED lamp 31 to emit light. The plurality of LED lamps 31 can form a light bar shape, thereby being suitable for illuminating a backlight module. Due to the adoption of the anode lead 1 and the cathode lead 2, structures such as a PCB (printed circuit board) or a socket do not need to be arranged, and the material cost of the LED lamp strip can be greatly reduced; meanwhile, lamp strip pasting on the PCB is not needed, so that the design cost, the labor cost and the manufacturing time of the backlight module are reduced.

According to the LED lamp area of this embodiment, relative prior art's lamp strip need not to use parts such as PCB base plate, lamp strip socket, need not to carry out LED paster processing procedure to the production installation cost in LED lamp area has been reduced, and the installation effectiveness in LED lamp area has been improved.

In some specific embodiments, the positive pin 32 is welded to the positive lead 1, and the negative pin 33 is welded to the negative lead 2, so that the LED lamp 31 and the positive lead 1 and the negative lead 2 have a stable and reliable connection relationship, thereby improving the reliability of the LED lamp strip during power-on use.

In some embodiments, as shown in fig. 2 and 3, the LED strip further includes a plurality of connecting structures 34, each connecting structure 34 is disposed on a bottom wall of one of the LED lamps 31, and the connecting structures 34 are used for fixing the LED lamps 31.

It can be understood that the connecting structure 34 can facilitate the fixed installation of the LED lamp 31 on the back plate 4 of the backlight module, thereby reducing the installation difficulty of the LED lamp 31 and improving the installation efficiency of the LED lamp 31.

In some embodiments, the connection structure 34 includes a thermally conductive adhesive backing.

It can be understood that the heat-conducting back adhesive not only can play a firm bonding function, but also can be convenient for leading out the heat generated by the working of the LED lamp 31, thereby reducing the production cost of the LED lamp strip, simultaneously ensuring the reliability of the electrical, thermal and mechanical properties of each LED lamp 31, prolonging the service life of the LED lamp strip and improving the reliability of the LED lamp strip.

As shown in fig. 4-7, the present invention also discloses a backlight module, which comprises a back plate 4 and the LED strip described above. The LED lamp strip is arranged on the back plate 4.

According to the utility model discloses backlight unit, owing to have the foreland LED lamp area, anodal lead wire 1 and negative pole lead wire 2 can be installed on backplate 4 fast conveniently, and LED lamp 31 also can fix on backplate 4 comparatively conveniently, is connected the anodal pin 32 and the anodal lead wire 1 of LED lamp 31 again, is connected negative pole pin 33 and negative pole lead wire 2, can install LED lamp area on backplate 4 conveniently. Therefore, the production cost of the backlight module can be reduced, and the production efficiency of the backlight module is improved.

In some embodiments, as shown in fig. 6 and 7, the backlight module further includes a plurality of lenses 5, and each lens 5 is disposed corresponding to one LED lamp 31 of the LED strip.

It can be understood that the lens 5 can improve the illumination effect of the LED lamp 31, and thus improve the illumination effect of the whole backlight module. In this embodiment, due to the LED strip described above, all the lenses 5 can be mounted on all the LED lamps 31 at one time when the lenses 5 are mounted, and compared with the process of mounting the lenses 5 on each LED lamp 31 in the prior art, the backlight module of this embodiment can also greatly improve the mounting efficiency of the lenses 5.

In some embodiments, as shown in fig. 4 and 5, the back plate 4 is further provided with positioning bumps 6, and the positioning bumps 6 are used for positioning the lens 5.

It can be understood that the positioning bumps 6 can facilitate the accurate and reliable simultaneous mounting of the plurality of lenses 5 on the back plate 4, so that the mounting reliability and the mounting efficiency of the lenses 5 can be further improved.

Specifically, in this embodiment, the positioning bumps 6 are convex hemispheres, and can be connected with the positioning pillars on the lenses 5 in a connection manner such as glue filling or dispensing, so that the lenses 5 can be quickly fixed on the back plate 4 by a fixing manner such as a dispensing process, and the mounting efficiency and the mounting reliability of the lenses 5 are improved.

In some embodiments, as shown in fig. 4 and 5, the back plate 4 is provided with a plurality of LED positioning portions 7, and the LED positioning portions 7 are used for positioning the LED lamps 31.

It can be understood that LED location portion 7 can play the location effect to LED lamp 31 to prevent LED lamp 31 and anodal lead wire 1 or negative pole lead wire 2 in the installation phenomenon, or the distance between anodal pin 32 and anodal lead wire 1 is too big, the distance between negative pole pin 33 and the negative pole lead wire 2 is too big equipment problem such as appear, can improve LED lamp 31's installation reliability, ensure that LED lamp area installs on backplate 4 fast accurately.

In some embodiments, as shown in fig. 4-7, the back plate 4 is provided with a plurality of lead positioning portions 8, the lead positioning portions 8 are used for positioning the anode lead 1 or the cathode lead 2 of the LED strip, and the backlight module further includes a fixing member 9, and the fixing member 9 is used for fixing the anode lead 1 or the cathode lead 2 on the back plate 4.

It can be understood that the arrangement of the lead positioning portion 8 can facilitate ensuring that the positive lead 1 and the negative lead 2 are arranged in parallel and in accurate directions, thereby avoiding the possibility that the positive pin 32 and the negative pin 33 on the LED lamp 31 cannot be accurately connected with the positive lead 1 and the negative lead 2. The fixing part 9 can prevent the displacement problem from occurring in the installation process of the LED lamp 31 and the use process of the backlight module by the anode lead 1 or the cathode lead 2, thereby ensuring the use reliability of the LED lamp strip and the backlight module, reducing the fault probability and prolonging the service life of the LED lamp strip and the backlight module.

In some embodiments, as shown in fig. 4-7, lead positioning portion 8 comprises a lead positioning score line and securing member 9 comprises a double-sided adhesive tape.

It can be understood that the lead positioning scribe line can be conveniently and reliably formed on the back plate 4, so that other structures do not need to be additionally installed on the back plate 4, and the installation of the positive lead 1 and the negative lead 2 is facilitated. The double-sided tape can stably fix the positive electrode lead 1 and the negative electrode lead 2 on the back plate 4, thereby improving the mounting firmness of the positive electrode lead 1 and the negative electrode lead 2 on the back plate 4. Of course, in other embodiments of the present invention, the lead positioning portion 8 may also be formed as a positioning groove, and the fixing member 9 may also be formed as a single-sided adhesive provided on the positive lead 1 or the negative lead 2, so that the specific structures of the lead positioning portion 8 and the fixing member 9 may be determined according to actual needs without specific limitations.

In some embodiments, the back plate 4 is provided with an outlet hole 41, and the positive lead 1 and the negative lead 2 of the LED strip pass through the outlet hole 41 and are connected to a power supply.

It can be understood that the wire outlet 41 can facilitate the storage of the anode lead 1 and the cathode lead 2 on the LED strip, thereby improving the aesthetic property of the backlight module. Can also prevent to interfere mutually between a plurality of anodal lead wires 1 and the negative pole lead wire 2 when LED lamp area is equipped with a plurality ofly to improve backlight unit's use reliability.

Example (b):

a backlight module according to an embodiment of the present invention is described with reference to fig. 2 to 6.

The backlight module of this embodiment includes a back plate 4, an LED strip, a plurality of lenses 5 and a fixing member 9. The LED lamp strip is arranged on the back plate 4.

The LED light strip comprises a positive lead 1, a negative lead 2, a plurality of LED lamps 31 and a plurality of connection structures 34. The negative electrode lead 2 is spaced apart from the positive electrode lead 1. The LED lamps 31 are distributed at intervals along the length direction of the anode lead 1, the LED lamps 31 are arranged between the anode lead 1 and the cathode lead 2, the anode pin 32 of the LED lamps 31 is connected with the anode lead 1, and the cathode pin 33 of the LED lamps 31 is connected with the cathode lead 2. Each connecting structure 34 is provided on the bottom wall of one LED lamp 31, and the connecting structure 34 is used for fixing the LED lamp 31. The connection structure 34 includes a thermally conductive adhesive backing.

Each lens 5 is arranged corresponding to one LED lamp 31 of the LED strip. The back plate 4 is also provided with a positioning salient point 6, and the positioning salient point 6 is used for positioning the lens 5. The back plate 4 is provided with a plurality of LED positioning portions 7, and the LED positioning portions 7 are used for positioning the LED lamps 31. Be equipped with a plurality of lead wire location portions 8 on backplate 4, lead wire location portion 8 is used for fixing a position anodal lead wire 1 or negative pole lead wire 2 in LED lamp area, and mounting 9 is used for fixing anodal lead wire 1 or negative pole lead wire 2 on backplate 4. The lead positioning portion 8 includes a lead positioning score line, and the fixing member 9 includes a double-sided adhesive tape. The backboard 4 is provided with a wire outlet 41, and the anode lead 1 and the cathode lead 2 of the LED lamp strip penetrate through the wire outlet 41 and are connected with a power supply.

In the description herein, references to the description of "some embodiments," "other embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A LED strip, comprising:

a positive electrode lead (1);

the negative electrode lead (2), the negative electrode lead (2) and the positive electrode lead (1) are arranged at intervals;

a plurality of LED lamps (31), it is a plurality of LED lamp (31) are followed the length direction interval distribution of anodal lead wire (1), establish LED lamp (31) anodal lead wire (1) with between negative pole lead wire (2), anodal pin (32) of LED lamp (31) with anodal lead wire (1) is connected, negative pole pin (33) of LED lamp (31) with negative pole lead wire (2) are connected.

2. A LED strip according to claim 1, further comprising a plurality of connecting structures (34), each connecting structure (34) being provided on a bottom wall of one of said LED lamps (31), said connecting structures (34) being adapted to fix said LED lamps (31).

3. A LED strip according to claim 2, wherein the connection structure (34) comprises a thermally conductive adhesive backing.

4. A backlight module, comprising:

a back plate (4);

a LED strip according to any of claims 1 to 3, provided on said backsheet (4).

5. The backlight module according to claim 4, further comprising a plurality of lenses (5), wherein each lens (5) is disposed corresponding to one of the LED lamps (31) of the LED strip.

6. The backlight module according to claim 5, wherein the back plate (4) is further provided with a positioning bump (6), and the positioning bump (6) is used for positioning the lens (5).

7. The backlight module according to claim 4, wherein the back plate (4) is provided with a plurality of LED positioning portions (7), and the LED positioning portions (7) are used for positioning the LED lamps (31).

8. The backlight module according to claim 4, wherein the back plate (4) is provided with a plurality of lead positioning portions (8), the lead positioning portions (8) are used for positioning the anode lead (1) or the cathode lead (2) of the LED strip, and the backlight module further comprises a fixing member (9), and the fixing member (9) is used for fixing the anode lead (1) or the cathode lead (2) on the back plate (4).

9. The backlight module according to claim 8, wherein the lead positioning portion (8) comprises a lead positioning scribe line, and the fixing member (9) comprises a double-sided adhesive tape.

10. The backlight module according to claim 4, wherein the back plate (4) is provided with an outlet hole (41), and the positive lead (1) and the negative lead (2) of the LED strip are inserted through the outlet hole (41) and connected to a power supply.