CN203691737U

CN203691737U - Folding-type flexible circuit board and flexible LED strip-shaped lamp provided with the same

Info

Publication number: CN203691737U
Application number: CN201320775033.4U
Authority: CN
Inventors: 樊邦弘
Original assignee: Heshan Lide Electronic Enterprise Co Ltd
Current assignee: Guangdong Tongfang Decorative Lighting Co ltd
Priority date: 2013-11-29
Filing date: 2013-11-29
Publication date: 2014-07-02
Anticipated expiration: 2023-11-29

Abstract

The utility model discloses a folding-type flexible circuit board comprising a long strip-shaped flat line wire and at least two long strip-shaped flat power wires. The line wire and the power wires are in an upper-lower parallel arrangement. A long strip-shaped first insulation film is bent, and is disposed on the lower surface of the line wire and the upper surfaces of the power wires at the same time in a covered manner. A long strip-shaped second insulation film is bent, and is disposed on the upper surface of the line wire and the lower surfaces of the power wires at the same time in a covered manner. The utility model also discloses a flexible LED strip-shaped lamp provided with the folding-type flexible circuit board. The folding-type flexible circuit board and the flexible LED strip-shaped lamp have advantages of narrow width, simple production technology, and low costs.

Description

A kind of collapsible flexible circuit board and the flexible LED strip light with this flexible circuit board

Technical field

The utility model relates to be decorated and lighting field, relates in particular to that a kind of width is narrower, the simple collapsible flexible circuit board of technique and have the flexible LED strip light of this flexible circuit board.

Background technology

After existing flexible LED strip light energising, can produce the line source of strip, thereby can be widely used in decoration or the illumination of various occasions, as building profile, moulding signboard, showcase illumination etc.

The structure of flexible LED strip light is on the market generally: on the flat flexible circuit board of strip, weld a plurality of LED and do the LED light source that becomes band, then, at the peripheral coated insulation layer of banded LED light source, after energising, can produce strip line source.Flexible circuit board wherein comprises copper-foil conducting electricity and dielectric film, and structure is generally divided into single or multiple lift structure, and the Copper Foil of each layer and dielectric film are separate and stack, and copper-foil conducting electricity is wherein divided into again circuit line and power line.Flexible LED strip light is because higher to width requirement, and width is narrower more soft, and more easily installs or do moulding, and circuit line and power line in traditional flexible circuit board is arranged on same plane, and width is just very wide like this; Thereby also have, circuit line and power line are located at and in different aspects, reduce width, but this structure exists more defect in the time manufacturing, the aligning that stacks more, each layer of a lot of layers, complex process step as needs bothers, yield is low etc.

Thereby be necessary the flexible circuit board of existing flexible LED strip light to do further improvement.

Utility model content

The purpose of this utility model is to provide that a kind of width is narrower, the simple collapsible flexible circuit board of technique.

For achieving the above object, the technical scheme that the utility model adopts is: a kind of collapsible flexible circuit board, comprising:

Strip flat circuit line and at least two strip flat power lines, described circuit line and power line be arranged in parallel up and down;

Strip the first dielectric film, is bending and is covered in the lower surface of circuit line and the upper surface of power line simultaneously;

Strip the second dielectric film, is bending and is covered in the upper surface of circuit line and the lower surface of power line simultaneously.

Preferentially, one end of the Width of described the first dielectric film and the second dielectric film ends in a side of circuit line, and the other end of the Width of described the first dielectric film and the second dielectric film ends in a side of power line.

Further, one end of the Width of described the first dielectric film and the second dielectric film ends in a wherein side of a power line, and the other end of the Width of described the first dielectric film and the second dielectric film ends in a wherein side of another root power line

Further, described the first dielectric film in the part of circuit line lower surface and between the part of power line upper surface, be provided with binding.

Further, described the first dielectric film in the part of circuit line lower surface and between the part of power line upper surface, be laminated.

Further, the levels of described power line is all provided with circuit line.

The invention also discloses a kind of flexible LED strip light with above-mentioned collapsible flexible circuit board, it is characterized in that: comprise flexible banded LED light source, be arranged at the flexible bag coating of flexible banded LED light source periphery, the banded LED light source of described flexibility is that plural LEDs is arranged on collapsible flexible circuit board.

Further, the cross sectional shape of described coating layer is that arch is square or circular.

The invention also discloses a kind of method of making above-mentioned collapsible flexible circuit board, it is characterized in that it comprises: the first dielectric film is set; At the upper surface of the first dielectric film, strip flat circuit line and at least two strip flat power lines are set, described power line is arranged at respectively the both sides of circuit line, or power line is all arranged at the same side of circuit line; Another surface coverage second dielectric film of online route and power line; By the power line that has covered dielectric film towards circuit line folded beneath.

Further, described power line is flat metal bar, as flat copper bar.

Further, described circuit line is that flat metal bar passes through chemical etching process moulding through mechanical technology moulding or metal forming; Described mechanical technology can be on flat metal bar, to carry out the unwanted part of die-cut removal, thereby forms circuit.

The utility model comprises following beneficial effect:

Refolding after dielectric film is covered in the online route of the utility model and power line top and bottom, can carry out bonding or pressing after folding, thereby makes flexible circuit board manufacture craft be simplified doing under narrow prerequisite, cost.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is described in further detail.

Fig. 1 is the schematic diagram before the flexible circuit board of the utility model embodiment mono-bends;

Fig. 2 is the schematic diagram after the flexible circuit board of the utility model embodiment mono-bends;

Fig. 3 is the A-A profile of Fig. 2;

Fig. 4 is the schematic diagram before the flexible circuit board of the utility model embodiment bis-bends;

Fig. 5 is the schematic diagram after the flexible circuit board of the utility model embodiment bis-bends;

Fig. 6 is the B-B profile of Fig. 5;

Fig. 7 is the manufacture method flow chart of the collapsible flexible circuit board of the utility model;

Fig. 8 is the structural representation of figure the utility model embodiment tri-;

Fig. 9 is the structural representation of figure the utility model embodiment tetra-;

Figure 10 is the structural representation of figure the utility model embodiment five;

Embodiment

Referring to figs. 1 through the utility model preferred embodiment one shown in Fig. 3, a kind of collapsible flexible circuit board, comprising:

Strip flat circuit line 1 and two strip flat power lines 2, described circuit line 1 and power line 2 be arranged in parallel up and down, and LED3 is welded on circuit line 1;

Strip the first dielectric film 4, is bending and is covered in the lower surface of circuit line 1 and the upper surface of power line 2 simultaneously;

Strip the second dielectric film 5, is bending and is covered in the upper surface of circuit line 1 and the lower surface of power line 2 simultaneously.

One end of the Width of described the first dielectric film 4 and the second dielectric film 5 ends in a side C1 of circuit line 1, and the other end of the Width of described the first dielectric film 4 and the second dielectric film 5 ends in a side of power line 2.

Described the first dielectric film 4 in the part of circuit line 1 lower surface and between the part of power line 2 upper surfaces, be provided with binding (not shown), certainly described the first dielectric film 4 in the part of circuit line 1 lower surface and also can be by the heat pressing process (not shown) that is laminated between the part of power line 2 upper surfaces.

Described power line 2 is flat metal bar, and the power line 2 in the present embodiment is flat copper bar.

Described circuit line 1 is for metal forming is by chemical etching process moulding, certainly, described mechanical technology can be also on flat metal bar, carry out die-cut to remove unwanted part, thereby form circuit 1.

With reference to Fig. 4 to the utility model preferred embodiment two shown in Fig. 6, its structure and embodiment mono-are unanimous on the whole, its main distinction point is: one end of the Width of described the first dielectric film 4 and the second dielectric film 5 ends in a wherein side C3 of a power line 2, and the other end of the Width of described the first dielectric film 4 and the second dielectric film 5 ends in a wherein side C4 of another root power line 2.

With reference to a kind of method of making above-mentioned collapsible flexible circuit board shown in Fig. 7, it comprises: the first dielectric film 4 is set; At the upper surface of the first dielectric film 4, strip flat circuit line 1 and two strip flat power lines 2 are set, described power line 2 is arranged at respectively the both sides of circuit line 1, or power line 2 is all arranged at the same side of circuit line 1; Another surface coverage second dielectric film 5 of online route 1 and power line 2; By the power line 2 that has covered dielectric film towards circuit line 1 folded beneath; The first dielectric film 4 the part of circuit line 1 lower surface and between the part of power line 2 upper surfaces, be provided with binding carry out bonding, or the first dielectric film 4 in the part of circuit line 1 lower surface and between the part of power line 2 upper surfaces, be laminated by heat pressing process.

With reference to the utility model embodiment tri-shown in Fig. 8, a kind of flexible LED strip light with collapsible flexible circuit board: comprise flexible banded LED light source 6, be arranged at the flexible bag coating 7 of flexible banded LED light source 6 peripheries, the banded LED light source 6 of described flexibility is arranged on collapsible flexible circuit board for plural LEDs 3, the cross sectional shape of described coating layer 7 is circular, thereby makes flexible lighting product.

With reference to the utility model embodiment tetra-shown in Fig. 9, its structure and embodiment tri-are unanimous on the whole, and main distinction point is: the cross sectional shape of described coating layer 7 is arch, thereby makes neon light.

With reference to the utility model embodiment five shown in Figure 10, its structure and embodiment tri-are unanimous on the whole, and main distinction point is: the cross sectional shape of described coating layer 7 is squarish, thereby make LED surface-mounted lamp band.

Above embodiment has advantages of that technique is simple, cost is low.

The above, be preferred embodiment of the present utility model, and the utility model is not limited to above-mentioned execution mode, as long as it reaches technique effect of the present utility model with equal means, all should belong to protection range of the present utility model.

Claims

1. a collapsible flexible circuit board, comprising:

2. the collapsible flexible circuit board of one according to claim 1, it is characterized in that: one end of the Width of described the first dielectric film and the second dielectric film ends in a side of circuit line, the other end of the Width of described the first dielectric film and the second dielectric film ends in a side of power line.

3. the collapsible flexible circuit board of one according to claim 1, it is characterized in that: one end of the Width of described the first dielectric film and the second dielectric film ends in a wherein side of a power line, the other end of the Width of described the first dielectric film and the second dielectric film ends in a wherein side of another root power line.

4. according to the collapsible flexible circuit board of the one described in any one in claim 1 to 3, it is characterized in that: described the first dielectric film in the part of circuit line lower surface and between the part of power line upper surface, be provided with binding.

5. according to the collapsible flexible circuit board of the one described in any one in claim 1 to 3, it is characterized in that: described the first dielectric film in the part of circuit line lower surface and between the part of power line upper surface, be laminated.

6. one kind has in claim 1 to 3 the flexible LED strip light of collapsible flexible circuit board described in any one, it is characterized in that: comprise flexible banded LED light source, be arranged at the flexible bag coating of flexible banded LED light source periphery, the banded LED light source of described flexibility is that plural LEDs is arranged on collapsible flexible circuit board.