TWI489057B - Led light bar assembly - Google Patents

Description

Light-emitting diode light bar set

The present invention relates to the field of semiconductor illumination, and in particular to a light-emitting diode light bar set.

As a highly efficient light source, light emitting diode (LED) has many characteristics such as environmental protection, power saving and long life, and has been widely used in various fields.

In the field of display imaging, LED package components are generally disposed on a circuit board to form a light bar, and then the light bar is disposed on the backlight module or the light board. If the size of the backlight module or the light board is large, the LED package component needs to be disposed on a circuit board having a long length, or a plurality of light strips may be connected in series to form a light bar group by a plurality of light connectors.

In the prior art, adjacent light bars are connected by connectors. However, the connectors are usually protruded on the light bar, and the connection between adjacent light bars is easy to generate a gap, which increases the overall size of the light bar group. As a result, the light field distribution of the light bar group is uneven, which affects the light output effect.

In view of the above, it is necessary to provide a light-emitting diode light bar group in which adjacent light bars are connected without gaps.

A light-emitting diode light bar set comprising at least two light strips combinedly connected, each light strip comprising an elongated circuit board, a female connector respectively disposed at two ends of the circuit board, and a public connection And a plurality of light emitting diode units disposed on the circuit board, wherein the adjacent two light strips are electrically connected to each other by a female connector of one of the light strips and a male connector of the other light strip, and the circuit of each of the light strips The plate includes an elongated body portion, a protruding portion protruding outward from one end of the body portion, and a recess portion formed by recessing the other end of the body portion inwardly, and a circuit of one of the adjacent two light bars The protruding portion of the board is embedded in the recessed portion of the circuit board of the other light bar, and one of the male and female connectors of each of the light strips is disposed at one end of the body portion of the circuit board and is placed over the recessed portion And another one of the male and female connectors of each of the light strips adjacent to the circuit board is disposed at the other end of the body portion of the circuit board, and the outer edge of the female connector of each of the light strips and the light An outer edge of one end portion of each of the two ends of the strip body portion is flush, and an outer edge of the male connector of each of the light strips is flush with an outer edge of the other end portion of the two ends of the strip circuit board body portion The protrusion of each of the light bars corresponds in shape to the recessed portion of the light bar.

The invention realizes the seamless connection of two adjacent light bars while preventing the phase by the end connector of the adjacent light bar by the female connector of one of the two adjacent light bars and the male connector of the other light bar. The adjacent light strips are relatively moved in the horizontal direction, so that the light-emitting diode light strip group obtains a light field uniformly distributed by the light.

10‧‧‧Light strips

11‧‧‧ boards

12‧‧‧Lighting diode unit

13‧‧‧Depression

14‧‧‧Protruding

15‧‧‧First metal wire

16‧‧‧Second metal wire

20‧‧‧Female connector

21‧‧‧ Male connector

110‧‧‧ Body Department

200‧‧‧ first housing

201‧‧‧First connection terminal

211‧‧‧ second housing

213‧‧‧ Third connection terminal

214‧‧‧fourth connection terminal

2011, 2021‧‧‧ jack

1 is a schematic structural view of a light-emitting diode light bar group according to an embodiment of the present invention.

FIG. 2 is a schematic structural view of a middle light bar of the light-emitting diode light bar group shown in FIG. 1. FIG.

FIG. 3 is a schematic exploded perspective view of the light bar shown in FIG. 2. FIG.

4 is a cross-sectional view showing the structure of a circuit board of the light bar shown in FIG. 2.

FIG. 5 is a cross-sectional view of the light-emitting diode light bar group shown in FIG. 1 taken along line V-V.

Referring to FIG. 1 , a light-emitting diode light bar group according to an embodiment of the present invention includes at least two light bars 10 connected in combination. Each of the light strips 10 includes an elongated circuit board 11 and a female connector 20 and a male connector 21 respectively disposed at opposite ends of the circuit board 11. The adjacent two light bars 10 are electrically connected to each other by the female connector 20 of one of the light bars 10 and the male connector 21 of the other light bar 10. Specifically, the female connector 20 and the male connector 21 connect the ends of the adjacent two light bars 10 together.

Referring to FIG. 2 and FIG. 3 simultaneously, each of the light bars 10 further includes a plurality of light emitting diode (LED) units 12 disposed on the circuit board 11. In this embodiment, each of the light bars 10 specifically includes three light emitting diode units 12. It is understood that the number of the light emitting diode units 12 can be adjusted as needed.

The circuit board 11 includes an elongated body portion 110, a protruding portion 14 projecting outwardly from one end of the body portion 110, and a recess portion 13 recessed inwardly from the other end of the body portion 110. The female connector 20 is disposed at one end of the body portion 110 of the circuit board 11, and the male connector 21 is disposed at the other end of the body portion 110 of the circuit board 11 with respect to the female connector 20. Specifically, the female connector 20 is disposed at one end of the body portion 110 of the circuit board 11 and is disposed on the recess portion 13 . The male connector 21 is disposed adjacent to the protruding portion 14 on the body portion of the circuit board 11 . The other end of 110. Of course, the male connector 21 can also be disposed at one end of the body portion 110 of the circuit board 11 and disposed on the recess portion 13 , and the female connector 20 is disposed on the circuit board 11 adjacent to the protruding portion 14 . The other end of the body portion 110. The outer edge of the female connector 20 of the light bar 10 is flush with the outer edge of one end of the body portion 110 of the circuit board 11, the outer edge of the male connector 21 of the light bar 10 and the other end of the body portion 110 of the circuit board 11. The outer edge is flush. In order to enable the male connector 21 and the female connector 20 to be stably fixed to the circuit board 11 of the light bar 10, a bonding welding or a drilling screw connection may be employed.

In this embodiment, the body portion 110 of the circuit board 11 is a rectangular flat plate. The recessed portion 13 is a groove extending through the upper and lower surfaces of the circuit board 11. The protruding portion 14 is a bump. The recessed portion 13 and the protruding portion 14 of the circuit board 11 are identical in shape. Thus, when two adjacent light bars 10 are used in combination, the protruding portion 14 of the circuit board 11 of one of the light bars 10 is received and embedded in the recessed portion 13 of the circuit board 11 of the other light bar 10.

The female connector 20 and the male connector 21 are both square. The female connector 20 and the male connector 21 are substantially identical in size. In the width direction of the circuit board 11, the size of the female connector 20 and the male connector 21 is larger than the size of the recessed portion 13 and the protruding portion 14 and smaller than the width of the body portion 110 of the circuit board 11.

Referring to FIG. 4 , each of the light bars 10 further includes a first metal contact 15 and a second metal contact 16 disposed inside the body portion 110 of the circuit board 11 . The first metal contact line 15 and the second metal contact line 16 are arranged in parallel on the same horizontal plane. The first metal contact 15 and the second metal contact 16 are oppositely disposed on opposite sides of the recess 13 of the circuit board 11. In this embodiment, the first metal contact 15 is electrically connected to an electrode (not shown) of the LED unit 12 on the circuit board 11, and the second metal contact 16 is on the circuit board 11. The other electrode (not shown) of the LED unit 12 is electrically connected.

Referring to FIG. 3 and FIG. 5 , the female connector 20 of each of the light strips 10 includes a first housing 200 , a first connecting terminal 201 and a second connecting terminal disposed in the first housing 200 . (not shown). The male connector 21 of each of the light strips 10 includes a second housing 211, a third connecting terminal 213 and a fourth connecting terminal 214.

Further, one ends of the third connection terminal 213 and the fourth connection terminal 214 of the male connector 21 of each light bar 10 respectively protrude from one side of the second housing 211 of the male connector 21 of the light bar 10 Out. The other of the third connection terminal 213 and the fourth connection terminal 214 The end protrudes from the bottom of the second housing 211 of the male connector 21 of the light bar 10 and is respectively inserted into the body portion 110 of the circuit board 11 of the light bar 10 with the first metal contact 15 and the second metal The wire 16 is electrically connected. The female connector 20 on each of the light bars 10 is provided with a jack 2011 and a jack 2021 respectively for the third connection terminal 213 and the fourth connection terminal 214 on the male connector 21 of the light bar 10. One ends of the first connection terminal 201 and the second connection terminal (not shown) of the female connector 20 of the light bar 10 are respectively located in the insertion hole 2011 and the insertion hole 2021 of the first housing 200 of the female connector 20. The first connection terminal 201 of the female connector 20 of the light bar 10 and the other end of the second connection terminal (not shown) protrude from the bottom of the first housing 200 of the female connector 20 and are respectively inserted into The first metal contact 15 and the second metal contact 16 are electrically connected to each other in the body portion 110 of the circuit board 11 of the light bar 10.

When the two adjacent light strips 10 are connected, the protruding portion 14 of one of the adjacent two light strips 10 is embedded in the recessed portion 13 of the other light strip 10 adjacent to the protruding portion 14 of the light strip 10. The male connector 21 disposed on the light bar 10 and the female connector 20 disposed on the other light bar 10 and covering the recess 13 are electrically connected to each other. Specifically, the third connection terminal 213 and the fourth connection terminal 214 of the male connector 21 of one of the adjacent two light bars 10 are correspondingly inserted into the first housing 200 of the female connector 20 of the other light bar 10 . The two sockets 205 are electrically connected to the first connection terminal 201 and the second connection terminal (not shown) of the female connector 20 of the other light bar 10, respectively, so as to be the first in the adjacent two light bars 10. The metal contact 15 and the second metal contact 16 are respectively connected in series.

In the present invention, the light-emitting diode light bar group includes at least two light bars 10 in combination. The female connector 20 and the male connector 21 of each of the light bars 10 are oppositely disposed at opposite ends of the circuit board 11 of the light bar 10. Since the male connector 21 of each of the light bars 10 is disposed adjacent to the protruding portion 14 at one end of the circuit board 11 of the light bar 10, and the female of each light bar 10 The connector 20 is disposed at the other end of the circuit board 11 and covers the recess 13 when the protruding portion 14 of one of the adjacent light bars 10 is embedded in the recess 13 of the other light bar 10 The two adjacent light bars 10 realize the absence of two adjacent light bars 10 by inserting the adjacent light bars end-to-end by the male connector 21 of one of the light bars 10 and the female connector 20 on the other light bar 10. The slits are connected so that the light-emitting diode strip group obtains a light field uniformly distributed.

In addition, the protruding portion 14 of one of the adjacent light bars 10 is embedded in the recessed portion 13 of the other light bar 10, which can effectively increase the contact area of the adjacent two light bars 10, thereby increasing the adjacent The connection strength of the two light bars 10 prevents the adjacent two light bars 10 from being deformed and disengaged when subjected to an external force.

Next, one of the male connector 21 and the female connector 20 of each of the light strips 10 is placed over the recessed portion 13, and the other of the light strips 10 is adjacent to the protruding portion 14, when the two light strips 10 are combined At the same time, the protruding portion 14 of one of the light bars 10 is received in the recessed portion 13 of the other light bar 10, thereby defining the two light bars 10 to move relative to each other in the width direction of the circuit board 11, and the cover is placed in the recessed portion. The male connector 21 or the female connector 20 on the 13 can further define the upward relative movement of the light bar 10, further increasing the connection strength of the adjacent two light bars 10.

It will be appreciated that in the present invention, there is no limitation on the number of use of the light bar 10 in the light-emitting diode light bar set. According to the actual situation, if the size of the backlight module or the light board can be used, the plurality of light strips 10 can be combined with each other by a connector.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.

10‧‧‧Light strips

11‧‧‧ boards

12‧‧‧Lighting diode unit

13‧‧‧Depression

14‧‧‧Protruding

20‧‧‧Female connector

21‧‧‧ Male connector

Claims (7)

A light-emitting diode light bar set comprising at least two light strips connected in series, each light bar comprising an elongated circuit board, a female connector and a male connector respectively disposed at two ends of the circuit board, and being disposed on the circuit board The plurality of light-emitting diode units are electrically connected to each other by a female connector of one of the light strips and a male connector of the other of the light strips. The improvement is that the circuit board of each of the light strips comprises a lengthwise length a body portion, a protrusion portion protruding outwardly from one end of the body portion, and a recess portion formed by recessing the other end portion of the body portion, and protruding of a circuit board of one of the adjacent two light bars The portion is embedded in the recess of the circuit board of the other light bar, and one of the male and female connectors of each light bar is disposed at one end of the body portion of the circuit board and is placed over the recess, each lamp One of the male and female connectors of the strip adjacent to the circuit board is disposed at the other end of the body portion of the circuit board, the outer edge of the female connector of each of the light strips and the light strip circuit board body The outer edge of one end of the two ends is flush, and the public connection of each light bar Wherein an outer edge of the outer edge of the other end portion of both end portions of the main body portion of the flush light bar circuit board, each corresponding to the light bar projecting portion coincides with the recessed portion of the light bar in shape. The light-emitting diode light bar set according to claim 1, wherein the size of the male and female connectors is larger than the size of the concave portion along the width direction of the circuit board. The light-emitting diode light bar set of claim 1, wherein the body portion of the circuit board of each light bar comprises a first metal contact wire and a second metal contact wire installed inside. The light-emitting diode light bar set of claim 3, wherein the first metal contact wire and the second metal touch wire inside the body portion of the circuit board of each light bar are disposed in parallel with the light bar. Both sides of the recess of the board. The light-emitting diode light bar set of claim 3, wherein the male connector of each light bar comprises a second housing and a third connection terminal and a first connector inserted on the second housing Four connections a terminal, a third connection terminal of the male connector of the light bar and an end of the fourth connection terminal projecting from a side of the second housing of the light bar, the third connection terminal of the male connector of the light bar And the other end of the fourth connecting terminal protrudes from the bottom of the second housing of the light bar and is respectively inserted into the body portion of the circuit board of the light bar to be electrically connected to the first metal contact and the second metal contact . The light-emitting diode light bar set of claim 5, wherein the female connector of each light bar comprises a first housing and a first connecting terminal and a second installed in the first housing a connecting terminal, the third connecting terminal and the fourth connecting terminal of the male connector of the female connector of the light bar corresponding to the other light bar are provided with two jacks, the female connector of the light bar One ends of the first connection terminal and the second connection terminal are located in the insertion hole, and the first connection terminal of the female connector of the light bar and the other end of the second connection terminal are from the first housing of the female connector of the light bar The bottom portion protrudes and is respectively inserted into the body portion of the circuit board of the light bar to be electrically connected to the first metal contact and the second metal contact. The light-emitting diode light bar set according to claim 6, wherein when the two adjacent light bars are combined, the third connection terminal and the fourth connector of the male connector of one of the adjacent light bars are connected. The connection terminal is correspondingly inserted into the socket of the female connector of the other light bar and electrically connected to the first connection terminal and the second connection terminal of the female connector, respectively.