TW201351784A - LED light bar assembly - Google Patents

Abstract

An LED light bar assembly includes a combination connection of at least two LED light bars. Each LED bar includes an elongated circuit board, a first connector and a second connector disposed at two ends of the circuit board respectively, and a plurality of LEDs arranged on the circuit board. The circuit board includes an elongated main body, a first protruding portion and a second protruding portion extending outwardly from two ends of the main body respectively. The first connector is disposed on the first protruding portion of the circuit board and the second connector is disposed on the second protruding portion of the circuit board. The first protruding portion of one LED light bar is embedded into the second protruding portion of an adjacent LED light bar side by side, and the first connector of the LED light bar is electrically connected to the second connector of the adjacent LED light bar.

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.

Light emitting diode (LED) is a highly efficient light source. It has many characteristics such as environmental protection, power saving and long life. It 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, a plurality of adjacent light bars are connected end to end by a connector, but since the connectors are generally protruded from the light bar, the connection between the adjacent light bars is easy to generate a gap, and the light bar is enlarged. The size of the group, which in turn leads to uneven distribution of the light field of the light bar group, affecting 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 bars 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 a circuit board disposed on the circuit board The upper plurality of light emitting diode units, the adjacent two light strips are electrically connected to each other by a female connector of one of the light strips and the male connector of the other light strip, and the circuit board of each of the light strips comprises a vertically long body a first end portion projecting outwardly from one end of the body portion and a second end portion projecting outwardly from the other end of the body portion, the female connector being disposed on the first end portion The connector is disposed on the second end, and the first end of the circuit board of one of the adjacent two light strips is disposed side by side with the second end of the circuit board of the other light strip.

According to the invention, the first end and the second end of the adjacent light bar are connected by the male connector on the second end of one of the adjacent light bars and the female connector on the first end of the other light bar The side parts are arranged side by side and are arranged to eliminate the gap generated by the end-to-end connection manner of the adjacent light bars, so that the light-emitting diode light bar group obtains a light field with even light distribution.

In addition, the circuit boards of two adjacent light strips are arranged side by side and are mated to each other to increase the contact area and the connection strength between two adjacent light strips, thereby preventing deformation of adjacent two light strips when subjected to an external force. Out of touch.

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, each of the light bars 10 further includes a plurality of light emitting diode (LED) units 12 disposed on the circuit board 11. In the present embodiment, each of the light bars 10 includes three light emitting diode units 12. It is understood that the number of light emitting diode units 12 can be adjusted as needed.

The circuit board 11 includes an elongated body portion 110, a first end portion 13 projecting outwardly from one end of the body portion 110, and a second portion projecting outwardly from the other end portion of the body portion 110. End 14. The female connector 20 is fixedly disposed on the first end portion 13 of the circuit board 11 , and the male connector 21 is fixedly disposed on the second end portion 14 of the circuit board 11 . The first end portion 13 and the second end portion 14 are disposed diagonally along the body portion 110 of the circuit board 11. 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 has a rectangular shape, and the first end portion 13 and the second end portion 14 are all square. The widths of the first end portion 13 and the second end portion 14 of the circuit board 11 are substantially equal, and the widths of the first end portion 13 and the second end portion 14 of the circuit board 11 are approximately equal to the body portion 110 of the circuit board 11. Half the width. In other embodiments, the widths of the first end portion 13 and the second end portion 14 of the circuit board 11 can be adjusted as needed, the sum of the widths of the first end portion 13 and the second end portion 14 of the circuit board 11. It may be equal to or smaller than the width of the body portion 110 of the circuit board 11. When two adjacent light bars 10 are used in combination, the first end portion 13 of the circuit board 11 of one of the light bars 10 and the second end portion 14 of the circuit board 11 of the other light bar 10 are arranged side by side and fitted.

Referring to FIG. 3, the first end portion 13 of the circuit board 11 of each of the light strips 10 includes a first metal contact 131 and a second metal contact 132 disposed therein. The first metal contact 131 and the second metal contact 132 are arranged in parallel on the same horizontal plane. Similarly, the second end portion 14 of the circuit board 11 of each of the light bars 10 also includes a third metal contact 141 and a fourth metal contact 142 disposed therein. The third metal contact 141 and the fourth metal contact 142 are disposed in parallel and spaced apart on the same horizontal plane.

The first metal contact 131 of the first end portion 13 of the circuit board 11 penetrates the inside of the circuit board 11 and is electrically connected to the third metal contact 141 of the second end portion 14 of the circuit board 11. The second metal contact 132 of the first end portion 13 of the circuit board 11 penetrates the inside of the circuit board 11 and is electrically connected to the fourth metal contact 142 of the second end portion 14 of the circuit board 11.

The lengths of the first metal contact 131 and the second metal contact 132 of the first end portion 13 of the circuit board 11 are not equal. The length of the second metal contact 132 of the first end portion 13 of the circuit board 11 is longer than the length of the first metal contact 131. Similarly, the lengths of the third metal contact 141 and the fourth metal contact 142 of the second end portion 14 of the circuit board 11 are not equal. The length of the fourth metal contact 142 of the second end portion 14 of the circuit board 11 is longer than the length of the third metal contact 141.

In this embodiment, the first metal contact 131 and the third metal contact 141 on the circuit board 11 are electrically connected to an electrode (not shown) of the LED unit 12 on the circuit board 11. The second metal contact 132 and the fourth metal contact 142 on the circuit board 11 are electrically connected to another electrode (not shown) of the LED unit 12 on the circuit board 11.

Referring to FIG. 2 and FIG. 4 , the female connector 20 of each of the light strips 10 includes a first housing 201 , a first connecting terminal 202 and a second connecting terminal that are inserted into the first housing 201 . 203. The male connector 21 of each of the light strips 10 includes a second housing 211, a third connecting terminal 212 and a fourth connecting terminal 213.

Further, one side of the second housing 211 of the male connector 21 of each light bar 10 protrudes outwardly from a protrusion 214, and the first housing 201 of the female connector 20 of each light bar 10 One side of the male connector 21 is recessed inwardly to form a recess 204. One ends of the third connection terminal 212 and the fourth connection terminal 213 on the male connector 21 of each of the light bars 10 protrude outward from the protruding portion 214 of the male connector 21. The female connector 20 on each of the light strips 10 corresponds to the third connecting terminal 212 and the fourth connecting terminal 213 of the male connector 21 of the light bar 10, and two jacks 205 are disposed in the recess 204. The light bar 10 One end of the first connection terminal 202 and the second connection terminal 203 of the female connector 20 are located in the insertion hole 205.

One end of the fourth connection terminal 213 of the male connector 21 of each of the light bars 10 is electrically connected to the fourth metal contact 142 in the second end portion 14 of the light bar 10. One end of the second connection terminal 203 of the female connector 20 of each of the light bars 10 is electrically connected to the second metal contact 132 in the first end portion 13 of the light bar 10.

One end of the third connection terminal 212 of the male connector 21 of each of the light bars 10 is electrically connected to a third metal contact 141 in the second end portion 14 of the light bar 10 (not shown). One end of the first connection terminal 202 of the female connector 20 of each of the light bars 10 is electrically connected to the first metal contact 131 in the first end portion 13 of the light bar 10 (not shown).

When the two adjacent light strips 10 are connected, different from the conventional end-to-end connection, in the present embodiment, the second end portion 14 of one of the adjacent two light strips 10 and the other light The first end portions 13 of the strips 10 are juxtaposed side by side, and the male connector 21 disposed on the second end portion 14 of one of the adjacent two light strips 10 and the other light strip 10 are disposed. The female connectors 20 on the first end portion 13 are electrically connected to each other. The protruding portion 214 of the second housing 211 of the male connector 21 on the second end portion 14 of the one of the adjacent two light strips 10 is correspondingly sleeved to the first end portion 13 of the other light bar 10. The upper female connector 20 is in the recess 204 of the first housing 201. The third connection terminal 212 and the fourth connection terminal 213 of the male connector 21 of one of the adjacent two light bars 10 are correspondingly inserted into the first housing 201 of the female connector 20 of the other light bar 10 The jacks 205 are electrically connected to the first connection terminal 202 and the second connection terminal 203 of the female connector 20, respectively.

In the present invention, the light-emitting diode light bar group includes at least two light bars 10 connected in combination. The female connector 20 and the male connector 21 of each of the light bars 10 are respectively disposed on the first end portion 13 and the second end portion 14 of the light bar 10. Adjacent light strips 10 are electrically connected to each other by a male connector 21 on a second end 14 of one of the light strips 10 and a female connector 20 on a first end 13 of the other light strip 10, two adjacent The first end portion 13 of one of the light bars 10 of the light bar 10 and the second end portion 14 of the other light bar 10 are arranged side by side and fitted together, thereby eliminating the use of the end-to-end pair connection manner of the adjacent light bar 10 The resulting gap allows the light-emitting diode strip group to obtain a light field with evenly distributed light.

In addition, the circuit boards 11 of the two adjacent light strips 10 are arranged side by side and are mated to each other, so that the contact area and the connection strength between the adjacent two light strips 10 can be increased, and the adjacent two light strips 10 can be prevented from being subjected to When the external force acts, it deforms and disengages.

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, for example, according to the size of the backlight module or the light board, the plurality of light strips 10 can be used in series 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

11. . . Circuit board

110. . . Body part

12. . . Light-emitting diode unit

13. . . First end

131. . . First metal contact

132. . . Second metal line

14. . . Second end

141. . . Third metal line

142. . . Fourth metal line

20. . . Female connector

201. . . First housing

202. . . First connection terminal

203. . . Second connection terminal

204. . . Depression

205. . . Jack

twenty one. . . Male connector

211. . . Second housing

212. . . Third connection terminal

213. . . Fourth connection terminal

214. . . Protrusion

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.

3 is a schematic structural view of a circuit board of the light bar shown in FIG. 2, wherein the end portions are partially cut away.

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

10. . . Light

11. . . Circuit board

12. . . Light-emitting diode unit

13. . . First end

14. . . Second end

20. . . Female connector

twenty one. . . Male connector

Claims (10)

A light-emitting diode light bar set comprising at least two light bars 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 a circuit board disposed on the circuit board The upper plurality of light emitting diode units, the adjacent two light strips are electrically connected to each other by the female connector of one of the light strips and the male connector of the other light strip, and the improvement is: the circuit board of each of the light strips The utility model comprises a longitudinally-shaped body portion, a first end portion protruding outwardly from one end of the body portion, and a second end portion protruding outwardly from the other end portion of the body portion, the female connector being disposed at the first end The male connector is disposed on the second end, and the first end of the circuit board of one of the adjacent two light strips is juxtaposed with the second end of the circuit board of the other light bar. Set and fit. The light-emitting diode light bar set of claim 1, wherein the first end portion and the second end portion of the circuit board of each light bar are diagonally disposed along the body portion of the circuit board. The light-emitting diode light bar set of claim 2, wherein a sum of widths of the first end portion and the second end portion of the circuit board of each light bar is equal to or smaller than a body portion of the circuit board. The width. The light-emitting diode light bar set according to claim 2, wherein the main body portion of the circuit board of each light bar has a rectangular shape, and the first end portion and the second end portion of the circuit board are square. The light-emitting diode light bar set according to any one of claims 2 to 4, wherein the first metal wire and the second metal wire are disposed in the first end of each light bar. a third metal contact wire and a fourth metal contact wire are disposed in the second end of the light bar, the first metal wire penetrating through the circuit board of the light bar and electrically connected to the third metal contact wire, the second metal A wire passes through the circuit board of the light bar and is electrically connected to the fourth metal contact. The light-emitting diode light bar set of claim 5, wherein the female connector of each light bar comprises a housing and a first connection terminal and a second connection terminal inserted in the housing, The first connection terminal and the second connection terminal of the female connector are respectively electrically connected to the first metal contact and the second metal contact of the first end of the light bar. The light-emitting diode light bar set of claim 6, wherein the male connector of each light bar comprises a housing and a third connection terminal and a fourth connection terminal inserted on the housing, The third connection terminal and the fourth connection terminal of the male connector are electrically connected from a third metal contact and a fourth metal contact respectively with the second end of the light bar. The light-emitting diode light bar set of claim 6, wherein the first housing side of the female connector of each light bar is recessed inwardly to form a recessed portion, and the recessed portion is provided with a plug. The hole, the first connection terminal of the female connector and one end of the second connection terminal are located in the insertion hole. The light-emitting diode light bar set of claim 8, wherein the second housing of the male connector of each light bar corresponds to a recess on the first housing of the female connector on the light bar. A protruding portion is disposed, and the third connecting terminal and the one end of the fourth connecting terminal on the male connector respectively protrude outward from the protruding portion of the male connector. The light-emitting diode light bar set according to claim 9, wherein when two adjacent light bars are combined, the second light-emitting device of the adjacent light bar is connected to the second housing of the male connector. The protruding portion is correspondingly sleeved in the recessed portion of the female connector of the other light bar, and the third connecting terminal and the fourth connecting terminal inserted on the male connector are correspondingly inserted into the recessed portion of the female connector The holes are electrically connected to the first connection terminal and the second connection terminal of the female connector, respectively.