CN207179284U

CN207179284U - LED blank

Info

Publication number: CN207179284U
Application number: CN201721244522.1U
Authority: CN
Inventors: 卢栋湖
Original assignee: Ningbo Liu Ming Photoelectric Technology Co Ltd
Current assignee: Ningbo Liu Ming Photoelectric Technology Co Ltd
Priority date: 2017-09-26
Filing date: 2017-09-26
Publication date: 2018-04-03
Anticipated expiration: 2027-09-26

Abstract

A kind of LED blank, it includes blank band (1) and some the first LED chips (2), flexible electrode is embedded with the blank band (1), the blank band (1) is helical structure, some first LED chips (2) are distributed on blank band (1), and some the first LED chips (2) electrically connect with flexible electrode；Compared with prior art, the utility model has the characteristics of versatility is preferable, available for preferable different-diameter circular lamp band, ease of use and advantage of lower cost is produced.

Description

LED blank

Technical field

The utility model belongs to light source technical field, more particularly to a kind of LED blank and its production annular The method of light bar.

Background technology

At present, annular LED is usually needed to provide 360 ° of a wide range of illumination in flashlight and camp lamp.It is existing The annular LED light bar for having technology is formed by the LED bending of vertical bar type, but due to the size of flashlight and camp lamp Difference is, it is necessary to which luminous area is also different, then the width to light bar and length requirement differ, and this allows for annular LED lamp Band is required to according to specific product customization, then the blank of light bar is also required to be customized according to product, and this adds increased production Difficulty and production cycle, cause production cost higher.It is entitled soft although the A of Publication No. CN 102788283 in the prior art Property Surface-mount LED lamp band discloses a kind of flexible LED SMD lamp belt, including：One cored wire, it is pre- by one of flexiplast extrusion molding The strip shape body of measured length, is embedded with wire in the cored wire, and wire is arranged and isometric with cored wire along cored wire length direction；At least one Flexible tape circuit board, multiple LED pasters is provided with flexible tape circuit board, flexible tape circuit board has lead, and draws Line electrically connects with above-mentioned wire and is the LED pasters power supply on the flexible tape circuit board；One clad, squeezed by flexiplast Go out shaping, with above-mentioned cored wire it is isometric, light-permeable, clad is coated on outside above-mentioned cored wire and flexible tape circuit board； It is characterized in that：Flexible tape circuit board is coiled on cored wire, is extended in a spiral manner along cored wire length direction；But this is by electricity Road plate disc is wound on cored wire, and the light bar of strip is then made, rather than for preparing circular lamp band, and if be used for the technology During circular lamp band, not only exist and need also exist for that according to specific product customization, a kind blank band a kind of model can only be prepared Annular LED light bar, also in the presence of when making circular lamp band, the situation of wrinkle occurs in flexible tape circuit board, and this just has a strong impact on The encapsulation in later stage, and fractureing easily occurs in flexible tape circuit board in use situation (therefore in the accompanying drawing of the disclosure It can be seen that pitch is larger when flexible tape circuit board is wound, to avoid wrinkle situation)；Also just like Publication No. CN 103016999 A, entitled flexible LED SMD lamp belt disclosure and the A of Publication No. CN 102788283, it is entitled soft Property Surface-mount LED lamp band is identical.Therefore the method presence of the annular LED light bar blank of prior art and its production circular lamp band can not Produce the problem of different-diameter circular lamp band, versatility are poor and production cost is higher.

Utility model content

The utility model is preferable, available for production different-diameter circular lamp band for a kind of versatility of problem above offer LED blank.

The utility model solve problem above used in technical scheme be：A kind of LED with following structure is provided Blank, it includes blank band and some the first LED chips, is embedded with flexible electrode in the blank band, the blank band is Helical structure, some first LED chips are distributed on blank band, and some the first LED chips are and flexible electrical Pole electrically connects

Center line distribution of some first LED chips along blank band；After then so setting so that first after winding LED chip is more evenly distributed, and is also easier to cutting after winding.

Some first LED chips are divided to two rows to arrange, and two to ranked first center line of the LED chip along blank band symmetrical； After then so setting so that production efficiency when preparing the circular lamp band being relatively large in diameter is higher.

It also includes at least second LED chip, at least first LED core between the second adjacent LED chip Piece；The flexible electrode includes a negative pole band and two positive pole bands, the negative pole of the first LED chip and the second LED chip with The positive pole of negative pole band connection, the first LED chip and the second LED chip respectively with two positive pole band connections；, can after then so setting The color that second LED chip lights is arranged to different from the first LED chip, may also set up the second LED chip flashing, with Increase the use function of the present invention, and after going back the LED chip of space set second so that after being coiled into circular lamp band, the second LED core The side that piece is concentrated, so as to realize that the first LED chip provides light source for annular luminous, and the second LED chip is lighted for side or office Portion is luminous to provide light source, and then meets different use demands, uses also more hommization.

The both sides of the blank band are respectively equipped with first raised and the second projection, and in blank band spiral winding, first is convex Rise and be laminated with the second projection, the described first raised thickness is plus the second raised thickness and equal to blank band thickness；Then After so setting so that annular light bar blank is under the first raised and the second projection interaction after winding, as long as extruding Both ends, it is more convenient for producing, and can be also bonded the first projection of laminated portions and the second projection by glue, thus It is more convenient for the encapsulation in later stage, improves production efficiency.

After above structure, compared with prior art, the utility model then exists as a result of spiral blank band When preparing circular lamp band, it is only necessary to according to different models, be wound into different cylindrical support columns, then encapsulate；Make It is the purpose that the production to the circular lamp band of different-diameter can be achieved to obtain a kind of blank band, it is no longer necessary to prepares different-diameter annular Mould and the tool of production needed for blank band, production equipment cost are greatly reduced, and it is also more convenient to store in a warehouse, while can also save it Before spend in the cycle in the production of circular material blank band, and significantly shorten the production cycle, so as to be greatly reduced production and store in a warehouse into This.Therefore the utility model have versatility preferably, available for production different-diameter circular lamp band, ease of use preferably and cost The characteristics of relatively low.

Brief description of the drawings

Fig. 1 is the structural representation of LED blank embodiment one of the present utility model.

Fig. 2 is the structural representation of the utility model LED blank embodiment two.

Fig. 3 is the structural representation after LED blank embodiment two of the present utility model winding.

Fig. 4 is the structural representation of LED blank embodiment three of the present utility model.

Fig. 5 is the structural representation of the LED blank example IV of the present invention.

Fig. 6 is the front view after the LED blank example IV winding of the present invention.

Fig. 7 is the rearview after the LED blank example IV winding of the present invention.

As shown in the figure：1st, blank band, the 2, first LED chip, 3, first is raised, and 4, second is raised, the 5, second LED chip.

Embodiment

Below in conjunction with accompanying drawing (electrode not shown in accompanying drawing) and embodiment, the utility model is done and further retouched State.

Embodiment one

As shown in figure 1, a kind of LED blank, it includes blank band 1 and some the first LED chips 2, the blank Flexible electrode is embedded with band 1, the blank band 1 is helical structure, and some first LED chips 2 are distributed on blank On band 1, and some the first LED chips 2 electrically connect with flexible electrode.

Center line of some first LED chips 2 along blank band 1 is distributed, between adjacent two the first LED chips 2 Away from can be adjusted according to actual luminous and brightness requirement.

A kind of method for producing annular LED light bar, it comprises the following steps：

1) spiral blank band 1 is produced, flexible electrode is embedded with blank band 1；

2) the first LED chip 2 is welded on blank band 1 successively；

3) by the spiral winding of blank band 1 that step 2) obtains to in the cylindrical support column of target same diameter, winding Blank band 1 is cut off after to required width, and peel off and make it that pre-buried electrode is exposed in off-position；

4) finally encapsulate.

Embodiment two

As shown in Figures 2 and 3, the both sides of the blank band 1 are respectively equipped with the first projection 3 and the second projection 4, in blank band During 1 spiral winding, the first projection 3 and the second projection 4 are laminated, and the thickness of first projection 3 is plus the thickness of the second projection 4 With the thickness equal to blank band 1.

Remaining is identical with embodiment one.

2) the first LED chip 2 is welded on blank band 1 successively；

3) by the spiral winding of blank band 1 that step 2) obtains to in the cylindrical support column of target same diameter, winding Blank band 1 is cut off after to required width, and peel off and make it that pre-buried electrode is exposed in off-position, in exposed pre-buried electrode Place's welding extension electrode, the both sides of the blank band 1 are respectively equipped with the first projection 3 and the second projection 4, twined in the spiral of blank band 1 Around when, the first projection 3 is laminated with the second projection 4, and the thickness of first projection 3 adds the thickness of the second projection 4 and is equal to The thickness of blank band 1；When the blank band 1 is wound into cylindrical support column, it is sheeted and is pressed in cylindrical support column, prevent Material strip unclamps, and sticks the first projection 3 and the second projection 4 of stacking with glue while pushing down；

4) finally encapsulate.

Embodiment three

As shown in figure 4, some first LED chips 2 are divided to two rows to arrange, and two ranked first LED chip 2 along blank band 1 center line is symmetrical.

Remaining is identical with embodiment one.

2) the first LED chip 2 is welded on blank band 1 successively；

3) by the spiral winding of blank band 1 that step 2) obtains to in the cylindrical support column of target same diameter, winding Blank band 1 is cut off after to required width, and peel off and make it that pre-buried electrode is exposed in off-position, in exposed pre-buried electrode Place's welding extension electrode；

4) finally encapsulate.

Example IV

As shown in Fig. 5, Fig. 6 and Fig. 7, it also includes at least second LED chip 5, the second adjacent LED chip 5 it Between at least first LED chip 2；The flexible electrode includes a negative pole band and two positive pole bands, the first LED chip 2 With the negative pole of the second LED chip 5 with negative pole band connection, the positive pole of the first LED chip 2 and the second LED chip 5 respectively with two Positive pole band connection.

Remaining is identical with embodiment one.

1) spiral blank band 1 is produced, is embedded with flexible electrode in blank band 1, flexible electrode includes a negative pole band With two positive pole bands；

2) the first LED chip 2 and the second LED chip 5 are welded on blank band 1 successively together, the He of the first LED chip 2 Second LED chip 5 shares a negative pole band, but the positive pole of the first LED chip 2 and the second LED chip 5 respectively with two positive pole bands Connection, and the two positive pole bands are not connected between each other；

4) finally encapsulate.

On the circular lamp band obtained after so producing, annular luminous is supported by the first LED chip 2, and side (part) is luminous Supported by the second LED chip 5.

Above example is only preferred embodiment of the present utility model, and the utility model, which is not limited only to above example, also to be allowed There is an other structures change, it is all to change in the utility model rights to independence claimed range, belong to scope of protection of the utility model.

Claims

A kind of 1. LED blank, it is characterised in that：It includes blank band (1) and some the first LED chips (2), the base Flexible electrode is embedded with material strip (1), the blank band (1) is helical structure, and some first LED chips (2) are equal Cloth is on blank band (1), and some the first LED chips (2) electrically connect with flexible electrode.
2. LED blank according to claim 1, it is characterised in that：Some first LED chips (2) along The center line distribution of blank band (1).
3. LED blank according to claim 1 or 2, it is characterised in that：Some first LED chips (2) point Two rows arrange, and two to ranked first center line of the LED chip (2) along blank band (1) symmetrical.
4. LED blank according to claim 1, it is characterised in that：It also includes at least second LED chip (5), at least first LED chip (2) between adjacent the second LED chip (5)；The flexible electrode includes a negative pole The negative pole of band and two positive pole bands, the first LED chip (2) and the second LED chip (5) with negative pole band connection, the first LED chip (2) and the second LED chip (5) positive pole respectively with two positive pole band connections.
5. LED blank according to claim 1, it is characterised in that：The both sides of the blank band (1) are respectively equipped with One raised (3) and second raised (4), in blank band (1) spiral winding, first raised (3) are laminated with second raised (4), institute State thickness and equal to blank band (1) thickness of the thickness plus second raised (4) of first raised (3).