KR101596892B1 - Linear led module and led lighting apparatus comprising the same - Google Patents

Abstract

Here, a linear LED module that is well suited to a channel-type or tube-type LED lighting device is disclosed. The linear LED module includes a flexible elongated wiring member, a plurality of LED members arranged on the wiring member, and a length adjuster for removably holding a part of the wiring member for adjusting the spacing of the LED members. . The length adjuster allows bidirectional entry and exit of wiring members between adjacent LED members. The wiring member may include an FPCB on which the plurality of LED members are mounted, or may include leads connecting the plurality of LED members.

LED, linear, wiring member, LED member, length adjuster, interval

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a linear LED module and an LED lighting device including the LED module,

The present invention relates to a channel-type or tube-type LED lighting device and a corresponding linear LED module. More particularly, the present invention relates to a linear LED module in which the spacing of the LED members connected to the wiring can be adjusted.

For a long period of time, cold cathode fluorescent lamps, which are referred to as 'fluorescent lamps', have been used as lighting devices to illuminate interior spaces of transportation means such as interior spaces of commercial buildings or houses, airplanes, automobiles, ships, trains and trains. However, cold cathode fluorescent lamps have drawbacks such as short life span, poor durability, limited color selection range of light, and low energy efficiency.

In recent years, a tube-type or channel-type LED illumination device has been developed which includes an approximately circular elongated tube or channel similar to a cold cathode fluorescent lamp, and a plurality of LEDs are arranged in the tube or channel. The above-mentioned LED illumination device is widely used as a light for illuminating an indoor space, and it is also formed as a logo, a symbol, a letter, a number, and a symbol, and is widely used for outdoor advertisement.

A channel type or tube type LED lighting device is manufactured by arranging LEDs of a package or module structure on a flexible FPCB to fabricate a linear LED module and arranging the formed linear LED module in a tube or a channel There is. However, in the conventional linear LED module, since the interval between the LEDs and the length of the FPCB are fixedly determined, it is difficult to manufacture a desired LED interval and / or a lighting device of a desired length. Particularly, in the case of an outdoor lighting device having a logo, a symbol, a letter, a number, a symbol, or the like, which is called 'channel lighting', in order to realize a complicated shape, the spacing of the LEDs, Shape and / or the length of the FPCB (or lead) is required. Accordingly, there is a need in the art for a linear LED module and a lighting apparatus including the same, which are free to adjust the length of the wiring in which the LED intervals and the LEDs are installed.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a linear LED module in which an interval of LED members connected to a wiring can be adjusted.

It is another object of the present invention to provide a channel-type or tube-type LED lighting device with a high degree of freedom in design by adopting a linear LED module capable of adjusting the spacing of the LED members and adjusting the length of the wiring.

According to an aspect of the present invention, there is provided an electronic device including: an elongate wiring member having flexibility; a plurality of LED members arranged in the wiring member; And a length adjuster. The length adjuster is preferably configured to allow bidirectional entry and exit of the wiring member between adjacent LED members.

According to one embodiment, the wiring member includes an FPCB on which the plurality of LED members are mounted.

According to another embodiment, the wiring member includes lead wires connecting the plurality of LED members.

Preferably, the length adjuster includes a bobbin around which a part of the wiring member is wound, and a part of the wiring member is arranged to be released in both directions by unidirectional rotation of the bobbin.

Preferably, the length adjuster further includes an elastic member that is compressed or restored by the rotation of the bobbin, and a stopping unit that stops the bobbin in a compressed state.

According to another aspect of the present invention, there is provided an LED lighting device including a linear LED module and an optic housing in which the linear LED module is long, wherein the linear LED module includes an elongated flexible wiring member, A plurality of LED members arrayed on the wiring member, and a length adjuster for holding a part of the wiring member so as to be able to move in and out so as to adjust the spacing of the LED members.

According to the present invention, the distance between the LED members connected to the wiring member can be easily adjusted by the user or the manufacturer, and accordingly, the distance between the elongated members, the length and / or shape Can be variously and easily designed and manufactured.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The following embodiments are provided by way of example so that those skilled in the art can fully understand the spirit of the present invention. Therefore, the present invention is not limited to the embodiments described below, but may be embodied in other forms. In the drawings, the width, length, thickness, and the like of the components may be exaggerated for convenience. Like reference numerals designate like elements throughout the specification.

FIG. 1 is a conceptual illustration of a basic configuration of a linear LED module according to the present invention.

1, the linear LED module 1 includes an elongated wiring member 10 having flexibility, a plurality of LED members 20 arranged in the wiring member 10, And a plurality of length adjusters 30 for adjusting the spacing.

At this time, the wiring member 10 may be a flexible printed circuit board (FPCB) in which a plurality of LED members 20 are mounted and / or connected between the LED members 20. Alternatively, the wiring member 10 may be composed of conductors (or wires) that electrically connect the LED members 20.

In addition, each of the LED members 20 may be a module type, a package type, and / or a bare chip type LED. For example, a module-type LED may have a structure in which a plurality of LED chips or LED packages are mounted on a rigid substrate or a PCB. The package-type LED may be, for example, a structure in which an LED chip is embedded in a package body including lead terminals. It is sufficient that the 'LED member' in this specification is a structure including at least one LED.

The length adjuster 30 is disposed between adjacent two elongate members 20 and a part of the wiring member 10 is inserted into the length adjuster 30 for adjusting the distance between the elongate members 20, Possibly. At this time, the length adjuster 30 can allow bidirectional entry / exit of the wiring member 10 held by the wiring member 30 without interrupting the wiring member 30. Therefore, when the length adjuster 30 sends out the wiring member 10 to shorten the length of its own wiring member, the distance between the adjacent two LED members 20 increases. In addition, if the length adjuster 30 draws the wiring member 10 from the outside to increase the length of the wiring member 10 held by itself, the distance between the adjacent LED members 20 is reduced.

2 shows a linear LED module 1 according to an embodiment of the present invention and an LED illumination device including the same. Referring to FIG. 1, the LED illumination device of the present embodiment includes an optical housing 100 in which a linear LED module 1 is arranged.

The optical housing 100 includes an elongated channel member 102 and an optic member 104 disposed on the channel member 102. [ An elongated space is formed between the channel member 102 and the optic member 104 and the linear LED module 1 is disposed on the inner bottom surface of the channel member 102 in the space.

At this time, an optic housing made of a translucent tube having a long hollow inside can be applied to the present invention, instead of the optic housing 100 composed of the channel member 102 and the optically transmissive optic member 104 as described above.

In this embodiment, the linear LED module 1 includes the FPCB 10 as a wiring member. The linear LED module 1 includes a plurality of LED members 20 and each LED module 20 includes at least one LED package 24 mounted on a rigid printed circuit board Structure. The LEDs 20 are spaced apart from the FPCB 10 at regular intervals. In addition, the linear LED module 1 includes a length adjuster 30 for adjusting the length of the FPCB 10 between neighboring LED members 20. The length adjuster 30 is configured to adjust the length of the FPCB 10 by unwinding or winding the FPCB 10 held on the bobbin in both directions from the bobbin, as will be described in detail below.

3A and 3B show an example of a length adjuster 30 that adjusts the interval between the LED elements 20. The length adjuster 30 having various structures may be applied to the present invention. The length adjuster 30 described below is only one example. However, a length adjuster of another modified or modified structure may be applied to the present invention. have.

Referring to FIGS. 3A and 3B, the length adjuster 30 is disposed between two neighboring el- ement members 20 and 20, respectively. The length adjuster 30 includes a casing 31, a bobbin 32, a shaft 33, an elastic member 34, and a stopping means 35.

On both sides of the casing (31), openings (312, 312) for allowing the FPCB (10) to enter and exit are formed. The bobbin (32) is rotatably mounted on a shaft (33) provided in the casing (31).

A portion of the FPCB 10 between two neighboring LED members 20 and 20 is wound on the bobbin 32. At this time, the FPCB 10 is arranged to be released in both directions by unidirectional rotation of the bobbin 32. 4, the overlapping portions of the FPCB 10 are fixed to one point 320 of the bobbin 32, and the two FPCBs 10 are bonded to each other, Is wound on the bobbin (32) in one direction, and one layer is sent to one opening of the casing and the other is sent to the other opening of the casing. However, the folded portion is not necessarily fixed to the bobbin 32, and it is sufficient that the FPCB is wound on the bobbin in the form of a double layer and is unwound from the bobbin in one direction and in another direction. In FIG. 4, the double-layered FPCB 10 is illustrated as wound once on the bobbin 32, but this is for the sake of an easy understanding of the drawings and is not intended to limit the present invention.

3A and 3B, when the FPCB 10 is pulled out from both sides of the length adjuster 30 to increase the distance between the LEDs 10, Extends further to both sides of the length adjuster 30 so that the length of the FPCB 10 between the elongate members 20,20 and the spacing of the elongate members 20,20 are increased. Meanwhile, the above-described elastic member 34 serves to provide tension and elastic restoring force to the FPCB 10.

In the present embodiment, the elastic member 34 is a coil-type tension spring having one inner end fixed to the shaft 33 and the other outer end fixed to the bobbin 32. [ Therefore, when the bobbin 32 rotates in a direction to unwind the FPCB 10, the elastic member 34 is elastically compressed, whereby elastic restoring force in the direction opposite to the tension is applied to the FPCB 10 .

The stopping means 35 serves to fix the FPCB 10 in a state in which the distance between the LEDs 20 and 20 is adjusted. The stopping means 35 is configured to allow movement and length adjustment of the FPCB 10 only when an external force is applied. The stopping means 35 includes a plurality of latches 352 (only two are shown) formed continuously below the bobbin 32 and a plurality of latches 352 And an elastic engaging piece 354 elastically provided on the inner wall. Since the bobbin 32 is fixed by the engagement of the latches 352 and the elastic engaging pieces 354, the FPCB 10 can be fixed and maintained in a length-adjusted state.

The stopping means 35 is adapted to release the engagement between the latch 352 and the elastic engaging piece 354 when the elastic engaging piece 354 is elastically displaced. The unidirectional rotation of the bobbin 32 releases the engagement between one latch 352 and the resilient engaging piece 354 in the direction in which the FPCB 10 is unwound and then engages with the latch 352 And the engaging portion 354 is engaged.

On the other hand, in the direction in which the FPCB 10 is wound on the bobbin 32, the elastic engaging piece 354 is largely displaced by an external force, and the engagement between the elastic engaging piece 354 and the latch 352 Is released. 3B, the shaft 33 is configured to be depressed from the outside, and the shaft 33 is configured to push the elastic engagement piece 354, And the engagement of the latch and the elastic engaging piece 354 is released by the displacement of the elastic engaging piece 354.

A length adjuster of various structures other than those described above can be applied to the present invention, and Fig. 5 shows another example of the length adjuster.

Referring to FIG. 5, a wiring member 10 such as an FPCB or a wire is continuously wound around two bobbins 32a and 32b provided in the length adjuster 30. As shown in FIG. A part of the wiring member 10 is loosened with a length of excess between the two bobbins 32a and 32b. The two bobbins 32a and 32b are rotated in different directions when the wiring member 10 is pulled in both directions from both sides of the length adjuster 30, Lt; / RTI > to < RTI ID = 0.0 > At this time, the bobbins 32a and 32b may be provided with elastic members and / or stopping means as described in the foregoing examples.

It should be noted that, in addition to those described above, the length adjuster 30 of various structures can be applied to the present invention.

FIG. 6 shows an example in which the linear LED module according to the present invention is applied to a complicated-shaped channel-shaped LED lighting device.

6, the channel type illumination device includes an optical housing 100 of an 'S' type, and a linear LED module 1 is disposed in the optical housing 100, S "type in correspondence with the shape. The linear LED module 1 includes a wiring member 10, a plurality of LED members 20 arrayed in the wiring member 10, and a plurality of length adjusting members 30). At this time, various intervals between the LED members 20 can be variously changed according to the complex shape of the optic housing 100. In other words, it is necessary to vary the intervals between the respective LED elements 20 in a complicated linear arrangement, compared with the case where the linear LED modules 1 are arranged in a straight line. Each of the plurality of length adjusters 30 can independently adjust various intervals between the LED members 20 in which the plurality of length adjusters 30 are located, and thus can be very well suited to a channel-shaped illuminator having various shapes.

1 is a view for explaining a basic configuration of a linear LED module according to the present invention;

2 is a partial cut-away plan view showing an LED lighting device to which a linear LED module according to an embodiment of the present invention is applied.

FIGS. 3A and 3B are views for explaining an example of a length adjuster that can be used to adjust the spacing between the LED members. FIG.

Fig. 4 is a view for explaining a method of arranging wiring members in the bobbin of the length adjuster shown in Figs. 3a and 3b; Fig.

5 is a view for explaining an example of a length adjuster which can be used for adjusting the distance between the LED members.

6 is a partial cut-away plan view showing an example in which the linear LED module according to the present invention is applied to a channel-shaped illumination device having a complicated shape.

Claims (10)

An elongated wiring member having flexibility; A plurality of LED members arrayed on the wiring member; And And a length adjuster for allowing a part of the wiring member to be in / out in order to adjust the spacing of the LED members, Casing; A bobbin to which a part of the wiring member is wound; A shaft member; The bobbin being compressed or restored by rotating the shaft member about a rotation axis; And And stopping means for stopping the bobbin in a state where the elastic member is compressed when an external force is applied, At least two latches formed continuously below the bobbin; And And an elastic engaging piece elastically provided on an inner wall of the casing so as to engage with the at least two latches, Wherein the length adjuster allows bi-directional entry and exit of the wiring member between neighboring LED members, wherein a portion of the wiring member is arranged to be released in both directions by unidirectional rotation of the bobbin. delete The linear LED module according to claim 1, wherein the wiring member includes an FPCB on which the plurality of LED members are mounted. The linear LED module according to claim 1, wherein the wiring member includes lead wires connecting the plurality of LED members. delete delete 1. An LED lighting device comprising a linear LED module and an optic housing in which the linear LED module is arranged, the linear LED module comprising: An elongated wiring member having flexibility; A plurality of LED members arrayed on the wiring member; And And a length adjuster for allowing a part of the wiring member to be in / out in order to adjust the spacing of the LED members, Casing; A bobbin to which a part of the wiring member is wound; A shaft member; The bobbin being compressed or restored by rotating the shaft member about a rotation axis; And stopping means for stopping the bobbin in a state where the elastic member is compressed when an external force is applied, At least two latches formed continuously below the bobbin; And an elastic engaging piece elastically provided on an inner wall of the casing so as to engage with the at least two latches, Wherein the length adjuster allows bi-directional entry and exit of the wiring member between neighboring LED members, wherein a part of the wiring member is arranged to be released in both directions by unidirectional rotation of the bobbin. delete The LED illumination device according to claim 7, wherein the wiring member includes an FPCB on which the plurality of LED members are mounted. The LED illumination apparatus according to claim 7, wherein the wiring member includes lead wires connecting the plurality of LED members.

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