CN203395674U

CN203395674U - Modular integral multilayer LED fluorescent tube

Info

Publication number: CN203395674U
Application number: CN201320470434.9U
Authority: CN
Inventors: 胡仲孚; 吴永富; 刘奎江
Original assignee: YING SHENG TECHNOLOGY Co Ltd
Current assignee: YING SHENG TECHNOLOGY Co Ltd
Priority date: 2013-08-02
Filing date: 2013-08-02
Publication date: 2014-01-15
Anticipated expiration: 2023-08-02

Abstract

The utility model discloses a modular integral multilayer LED fluorescent tube which mainly comprises a modular LED base, a radiating base and a modular lead frame. A base with groove structures, illuminating units and bridging units are integrated to form the modular LED base, and the radiating base is flower-shaped, so that the radiating area of the radiating base can be essentially increased, the radiating efficiency of the radiating base can be essentially improved, the temperature of each illuminating unit is kept within a proper range, and the optimal luminous efficacy can be maintained. Besides, circuit units and the bridging units can be electrically connected with one another by the modular lead frame. The modular integral multilayer LED fluorescent tube has the advantages that the modular LED base, the radiating base and the modular lead frame can be preliminarily manufactured, and can be assembled to form fluorescent tubes with different specifications at any time according to actual requirements, the modular integral multilayer LED fluorescent lamp can be modularly and quickly assembled, accordingly, the integral manufacturing time can be effectively shortened, and the integral manufacturing cost can be effectively reduced.

Description

The integrated, multi-level formula LED fluorescent tube of modular

Technical field

A fluorescent tube, especially a kind of integrated, multi-level formula LED fluorescent tube with the modular of modularized limit emitting diode (LED) pedestal, cooling base and modularization lead frame.

Background technology

Light emitting diode (Light emitting diode, LED) have low power consuming, long service life, volume little, react the feature such as fast, and the development of its technology in recent years can say and reach its maturity, therefore little by little replace traditional light fixture, especially LED is applied in to the fluorescent tube aspect of use amount maximum, be LED fluorescent tube, the main flow problem of at present industry research especially.

Existing lamp tube type LED light fixture mainly comprises: a fluorescent tube, a heat sink, a circuit board, a plurality of LED light-emitting component and two conduction end caps.Heat sink is inserted in fluorescent tube, and circuit board amplexiforms on heat sink, and a plurality of LED light-emitting components are electrically connected circuit board.

During assembling, must first LED light-emitting component be electrically welded on circuit board, then the element of LED light-emitting component and circuit board is fixed on heat sink.Above-mentioned middle mentioned member is all the finished product having completed, and wherein, LED light-emitting component is that the crystal grain in wafer manufacturing via upstream, middle reaches is made and the multiple tracks processing procedures such as die package in downstream could be by making one by one.In addition, circuit board is by attaching etching resist (press mold or coating), making after the multiple tracks processing procedures such as exposure imaging, etching.

LED light-emitting component in existing lamp tube type LED light fixture and circuit board are all to use via the finished product completing through multiple tracks processing procedure, above-mentioned middle mentioned multiple tracks processing procedure and encapsulating structure are all the encapsulation for LED light-emitting component and circuit board, be not processing procedure and the encapsulating structure tailoring for LED fluorescent tube, in fact, many structures in LED light-emitting component and circuit board and LED fluorescent tube are irrelevant, but can cause LED fluorescent tube cost of manufacture to reduce, also waste many raw materials and element.

The example that is made as with LED light-emitting component, upstream factory is by after wafer moulding, wafer is transported to middle reaches factory with moulding crystal grain, finally transfer to again downstream factory encapsulation crystal grain, downstream factory encapsulation crystal grain is for raw material and members such as packaging conductor frame one by one of each crystal grain and fluorescent glues, and crystal grain all needs encapsulation, while therefore encapsulating, just must use a large amount of raw materials and a large amount of members.In addition, the processing procedure of existing LED light-emitting component, also must consider the shipment and delivery cost between upper, middle and lower trips and transport in cause the impaired problem of crystal grain.Therefore, it is too complicated that prior art has processing procedure, and many processing procedures to LED fluorescent tube at all without essence effect, can reduce on the contrary the reliability of LED fluorescent tube, and also have that cost of manufacture is high, Production Time is long and the problem such as yield.

Utility model content

Main purpose of the present utility model is to provide a kind of integrated, multi-level formula LED fluorescent tube of modular, comprise: a modularized limit emitting diode (LED) pedestal, there is a bright dipping side, in this bright dipping side, form a groove, on the bottom surface of this groove, set firmly at least one lighting unit and at least one bridge-jointing unit, this at least one lighting unit forms electrical connection by routing joining technique and this at least one bridge-jointing unit, wherein this at least one lighting unit is comprised of a plurality of LED crystal grain, at least one bridge-jointing unit is comprised of a plurality of conducting elements, two LED intergranules arrange at least one conducting element, or two arrange at least one LED crystal grain between conducting element, one cooling base, this modularized limit emitting diode (LED) pedestal is arranged on this cooling base, and the both sides of this cooling base outer peripheral face arrange two corresponding circular troughs, one circuit unit, is located on this cooling base, and this circuit unit is arranged at the outside of this groove, one optical layers, covers this at least one lighting unit and this at least one bridge-jointing unit, one protective layer, is covered on this optical layers, and a diffusion shell, both sides form respectively a rounded protruding pinna inwardly, and this two protruding pinna is sheathed on respectively in two circular troughs of this cooling base, so that this diffusion shell is incorporated on this cooling base, and is positioned at the going out on light path of this LED crystal grain.

The feature that the utility model utilizes groove and groove to have small space is come accommodating this optical layers and this protective layer; therefore as long as use a small amount of raw material just groove and groove can be filled up; and on this LED crystal grain, form this optical layers and this protective layer, and then reach the object that significantly reduces raw material consumption and reduce cost of manufacture.

A feature of the present utility model is; on this groove in this modularized limit emitting diode (LED) pedestal, complete the setting of LED crystal grain and conductive chip; then on LED crystal grain, form this optical layers and this protective layer; just can complete the making of LED fluorescent tube; so save a lot of unnecessary processing procedures, effectively shorten Production Time, simplify processing procedure and promote yield.

Another feature of the present utility model is, utilize conducting element to connect all LED crystal grain, can according to different application targets, increase or reduce LED crystal grain spacing each other like this, therefore can be by the density of setting of suitable adjustment LED crystal grain, and make the brightness optimization of LED fluorescent tube, when simultaneously routing engages, because the spacing of LED crystal grain and conducting element also can remain in suitable distance, be therefore difficult for generation broken string problem.

The utility model is with the concept of modular construction and integral structure, pedestal, lighting unit and the bridge-jointing unit with groove structure are integrated into modularized limit emitting diode (LED) pedestal, and cooling base is arranged to essence, increase its area of dissipation as flower shape, make LED fluorescent tube be kept for a long time optimal luminescent usefulness, the modularization lead frame that can make circuit unit and bridge-jointing unit form electrical connection is provided in addition.

Therefore, the utlity model has modularized limit emitting diode (LED) pedestal, cooling base and modularization lead frame all can be made in advance, and can be assembled into according to the actual requirements at any time the fluorescent tube of various different sizes, modular assembling is advantage fast, thereby integral manufacturing time and cost of manufacture can effectively be reduced.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of modularized limit emitting diode (LED) pedestal of the integrated, multi-level formula LED fluorescent tube of the utility model modular;

Fig. 2 a is the schematic diagram of a preferred embodiment of the utility model cooling base;

Fig. 2 b is the schematic diagram of another preferred embodiment of the utility model cooling base;

Fig. 2 c is the schematic diagram of the another preferred embodiment of the utility model cooling base;

Fig. 3 a is the schematic diagram of a preferred embodiment of the utility model conducting element;

Fig. 3 b is the schematic diagram of another preferred embodiment of the utility model conducting element;

Fig. 4 is the schematic perspective view of a preferred embodiment of the integrated, multi-level formula LED fluorescent tube of the utility model modular;

Fig. 5 is the three-dimensional exploded view of Fig. 4;

Fig. 6 is the schematic perspective view of another preferred embodiment of the integrated, multi-level formula LED fluorescent tube of the utility model modular;

Fig. 7 is the schematic perspective view of another preferred embodiment of the integrated, multi-level formula LED fluorescent tube of the utility model modular;

Fig. 8 is the schematic perspective view of a preferred embodiment again of the integrated, multi-level formula LED fluorescent tube of the utility model modular.

Wherein, description of reference numerals is as follows:

The integrated, multi-level formula LED fluorescent tube of 10 modulars

1 modularized limit emitting diode (LED) pedestal

11 grooves

1a holder

11a the first locating hole

13a the second locating hole

2 cooling bases

21 accommodation spaces

23 guide channels

25 circular troughs

27 chutes

Between 271 grooves

28 radiating fins

31 LED crystal grain

33 conducting elements

331 conducting wires

333 joint sheets

335 soldered balls

41 outer leads

43 modularization lead frames

431 package modules

4311 locating convex blocks

4313 grooves

43131 conductive window portions

433 lead frames

4331 wire guide plates

5 circuit units

51 positive poles

53 negative poles

55 power leads

6 diffusion shells

61 protruding pinnas

100 optical layers

200 protective layers

ES bright dipping side

W wiring

The specific embodiment

Those of ordinary skill in the art below coordinate graphic and component symbol to do more detailed description to embodiment of the present utility model, so that can implement according to this after studying this description carefully.

With reference to figure 1, it is the schematic diagram of the modularized limit emitting diode (LED) pedestal of the integrated, multi-level formula LED fluorescent tube of the utility model modular.As shown in Figure 1, the integrated, multi-level formula LED fluorescent tube 10 of the utility model modular comprises: a modularized limit emitting diode (LED) pedestal 1, this modularized limit emitting diode (LED) pedestal 1 has a bright dipping side ES, the upper groove 11 that forms of this bright dipping side ES, at least one lighting unit and at least one bridge-jointing unit are set on this groove 11 bottom surface, wherein this groove 11 two side is one non-perpendicular, and the angle of inclination of this groove 11 two side is respectively between 40 to 65 degree.Preferably, this groove 11 is linear channel.

This at least one lighting unit forms electrical connection by routing joining technique and this at least one bridge-jointing unit, wherein this at least one lighting unit is comprised of a plurality of LED crystal grain 31, this at least one bridge-jointing unit is comprised of a plurality of conducting elements 33, this LED crystal grain 31 is engaged and is formed electrical connection by routing with this conducting element 33, wherein, between two relative LED crystal grain 31, at least one conducting element 33 is set, or between two relative conducting elements 33, at least one LED crystal grain 31 is set, preferably, above-mentioned routing engages the wiring W that uses and has the wire of electric conductivity for gold thread or other, as shown in Figure 1.

Be noted that, the configuration mode of this LED crystal grain 31 and this conducting element 33 is depending on actual needs, for example a LED crystal grain 31 connects the rule that a conducting element 33 connects a LED crystal grain 31 again and sequentially arranges, but also can be arranged to LED crystal grain 31 sides and follow continuous two, three conducting elements 33, also can a plurality of LED crystal grain 31 be set one-time continuous, but the configured number of LED crystal grain 31 and conducting element 33 and configuration mode are depending on actual needs, at this, be only the example of explanation use, not in order to limit scope of the present utility model.

With reference to figure 2a, it is the schematic diagram of a preferred embodiment of the utility model cooling base.As shown in Figure 2 a, the utility model further comprises a cooling base 2, this modularized limit emitting diode (LED) pedestal 1 is fixed on this cooling base 2, wherein this cooling base 2 utilizes aluminium or other metal with thermal conductivity to form through extruding, general semicircular in shape hollow base, in this cooling base 2, there is an accommodation space 21, the interior accommodating LED driver element (drawing does not show) of this accommodation space 21.

The both sides of this cooling base 1 outer peripheral face more arrange two corresponding guide channels 23 and two corresponding circular troughs 25, and this two guide channel 23 is convenient to board and is guided this cooling base 1 and advance, and this cooling base 1 Lower Half is formed with a plurality of radiating fins 28 in order to heat radiation.

The both sides at these cooling base 2 tops form respectively two chutes 27 of mutual correspondence, are formed with between a groove 271 between this two chute 27, and this modularized limit emitting diode (LED) pedestal 1 is configurable between this groove 271.Or, under this modularized limit emitting diode (LED) pedestal 1 bottom, more form a holder 1a, utilize this holder 1a that this modularized limit emitting diode (LED) pedestal 1 is fixed on this cooling base 2.

Refer again to Fig. 2 a, the utility model also at least comprise circuit unit 5(two circuit units 5 also can), this circuit unit 5 is located on this cooling base 1, and be positioned at the outside of this groove 11, or as shown in Figure 2 a, this circuit unit 5 is arranged to one of them of this two chute 27, this circuit unit 5 forms electrical connection with this conducting element 33 each with an outer lead (External connector) 41.

When the utility model is only used a circuit unit 5, on this circuit unit 5, there is anodal 51 and one negative pole 53, and this positive pole 51 and this negative pole 53 one end draw respectively and be connected to a power circuit 55, this power circuit 55 is connected in this LED driver element again.

Preferably, between the positive pole of this circuit unit 5 and negative pole and two conducting elements 33 at this conducting element 33 two ends, cross-over connection has outer lead (External connector) 41.This circuit unit 5 can be printed circuit board (PCB) (printed circuit board, PCB), ceramic circuit board or other suitable circuit board.

If use two circuit units 5, one of them of two circuit units 5 be as positive pole, and another is as negative pole, and two 5 of circuit units draw respectively and connect a power circuit.

With reference to figure 2b, for the schematic diagram of another preferred embodiment of the utility model cooling base, with reference to figure 2c, be the schematic diagram of the another preferred embodiment of the utility model cooling base.As shown in Fig. 2 b and Fig. 2 c, the Lower Half of this cooling base 2 is formed with a plurality of radiating fins 28 in order to heat radiation, and this radiating fin 28 is configured to radial, makes this cooling base 1 just as flower shape.Wherein, this modularized limit emitting diode (LED) pedestal 1 is fixedly arranged on the top of this cooling base 1 with this circuit unit 5, and wherein the surface of each radiating fin 28 is all wavy.

As this radiating fin 28 of this cooling base 2 of flower shape is, be arranged parallel to each other, and this radiating fin 28 more can have a radian, to increase the essence area of dissipation of this cooling base 1, thereby improve rate of heat dispation.

Preferably, in this radiating fin 28, radiating fin is more in the outer part less, and it is more larger by central radiating fin in this radiating fin 28, that is to say, central part corresponding to this modularized limit emitting diode (LED) pedestal 1 in this radiating fin 28 has maximum area of dissipation, therefore can fast and directly the heat absorption of this modularized limit emitting diode (LED) pedestal 1 be fallen apart side by side, to improve radiating efficiency.

Being noted that configuration mode, configured number and the configuration sized of above-mentioned radiating fin are depending on actual needs, is only the example of explanation use at this, not in order to limit scope of the present utility model.

With reference to figure 3a, it is the schematic diagram of a preferred embodiment of the utility model conducting element.With reference to figure 3b, it is the schematic diagram of another preferred embodiment of the utility model conducting element.As shown in Figure 3 a, this conducting element 33 top is formed with a conducting wire 331 and two joint sheets (Bond Pads) 333, this two joint sheet 333 is connected in 331 two ends, this conducting wire, this two joint sheet 333 is the contact place of routing joint or welding use, the shown conducting element 33 of Fig. 3 a is applicable to the operation that is connected between LED crystal grain 31 and conducting element 33, and routing engages operation.

Or, more can in one of them of this two joint sheet 333, a soldered ball (Solder Ball) 335 be set, as shown in Figure 3 b, soldered ball 335 in the shown conducting element 33 of Fig. 3 b can bear higher temperature and more heat-resisting, therefore be applicable to the higher temperatures of outer lead 4 be connected operation, i.e. weld job.Particularly, this outer lead 41 one end is welded in this soldered ball 335, as shown in Figure 1.

Conducting element 33 has sandwich construction, wherein the bottom of conducting element 33 is silicon (Silicon Chips), ceramic chip (Ceramic Chips), glass-chip (Glass Chips) or other difficult chip material that produces aqueous vapor or hygroscopicity strong (non-moisture material), on the bottom of conducting element 33, be sequentially formed with a titanium (Titanium metal) layer and an aluminum metal (Aluminum metal) layer, this titanium coating and this aluminum metal layer form by lug manufacturing process (Bumping Process).

With reference to figure 4, for the schematic perspective view of a preferred embodiment of the integrated, multi-level formula LED fluorescent tube of the utility model modular, with reference to figure 5, be the three-dimensional exploded view of Fig. 4.As shown in Figure 4, the utility model is more provided with a modularization lead frame 43, under the bottom of this modularized limit emitting diode (LED) pedestal 1, more form a holder 1a, this modularized limit emitting diode (LED) pedestal 1 is fixed on this cooling base 2 with this holder 1a, wherein in this holder 1a, be provided with at least one the first locating hole 11a and one second locating hole 13a, this the first locating hole 11a and this second locating hole 13a are arranged at corresponding to this groove 11 front side and rear side, in figure, only show this first locating hole 11a and this second locating hole 13a that is arranged at these groove 11 front sides, do not show this first locating hole 11a and this second locating hole 13a that is placed in these groove 11 rear sides, this modularization lead frame 43 consists of a package module 431 and a lead frame 433.

In another embodiment of the present utility model, this first locating hole 11a and this second locating hole 13a also can directly be arranged on this cooling base 2.

The bottom of this package module 431 projects out and this first locating hole 11a or a locating convex block 4311 corresponding with this second locating hole 13a, and this package module 431 top is formed with a groove 4313 corresponding to the part of this groove 11.

And this lead frame 433 of 431 coated parts of this package module, wherein this lead frame 433 extends out a wire guide plate 4331 corresponding to a side of this circuit unit 5, this wire guide plate 4331 is not by by the coated part of this package module 431 and be electrically connected at this two circuit unit 5, in addition, the bottom surface of this groove 4313 offers the conductive window portion 43131 that this lead frame 433 is exposed, and wherein between one of them of two conducting elements 33 at this conductive window portion 43131 and this conducting element 33 two ends, cross-over connection has an outer lead 41.

This locating convex block 4311 of this package module 431 is inserted in this first locating hole 17 and this second locating hole 19, and now this package module 431 end face corresponding with this modularized limit emitting diode (LED) pedestal 1 is bonded to each other, and this groove 11 is communicated in this groove 4313.

Above-mentioned soldered ball 335 or modularization lead frame 43 need electric insulation in this modularized limit emitting diode (LED) pedestal 1, to avoid causing short circuit.

With reference to figure 6, it is the schematic perspective view of another preferred embodiment of the integrated, multi-level formula LED fluorescent tube of the utility model modular.As shown in Figure 6, on this cooling base 2, a plurality of modularized limit emitting diode (LED) pedestals 1 can be set.

With reference to figure 7, it is the schematic perspective view of the another preferred embodiment of the integrated, multi-level formula LED fluorescent tube of the utility model modular.As shown in Figure 7, the utility model more comprises a diffusion shell 6, it is rounded that these diffusion shell 6 both sides form respectively a protruding pinna 61 inwardly, this protruding pinna 61 is sheathed in this circular trough 25 of this cooling base 2, so that this diffusion shell 6 is incorporated on this cooling base 2, and be positioned at the going out on light path of this LED crystal grain 31, the light that this diffusion shell 6 sends this LED crystal grain 31 can outwards spread uniformly, make the illumination of LED fluorescent tube more bright, irradiating angle is larger.

With reference to figure 8, it is the schematic perspective view of a preferred embodiment again of the integrated, multi-level formula LED fluorescent tube of the utility model modular.The utility model further comprises an optical layers 100, this optical layers 100 is formed in this groove 11 and covers this LED crystal grain 31 and this conducting element 33, this optical layers 100 is used to that light that this LED crystal grain 31 sends produces optical effect and the optical effect that obtains expection, such as mixed light or adjust the optical effect of colour temperature etc., wherein this optical layers 100 is mainly comprised of fluorescent glue or the silica gel that is mixed with fluorescent glue.The utility model further comprises a protective layer 200, is covered on this optical layers 100, and aqueous vapor and dust foreign matter are intercepted outside, uses and avoids these optical layers 100 optical elements such as grade rotten deteriorated, and wherein this protective layer 200 is mainly comprised of silica gel.

Please refer to Fig. 8, and coordinate shown in Fig. 4, this optical layers 100 and this layer of silica gel 200 can be arranged in this groove 11 and this groove 4313, this groove 4313 of this modularization lead frame 43 has this aqueous optical layers 100 and the effect of this layer of silica gel 200 of being confined to, avoid flowing in aqueous, also uncured this optical layers 100 and this layer of silica gel 200, from Fig. 4, also can know and see, this groove 4313 forms the groove chamber with small space with this groove 11, therefore contribute to the moulding of this optical layers 100 and this layer of silica gel 200, also can reduce material usage.

The feature that the utility model utilizes groove and groove 4313 to have small space is come accommodating this optical layers and this protective layer; therefore as long as use a small amount of raw material just groove and groove can be filled up; and on this LED crystal grain, form this optical layers and this protective layer, and then reach the object that significantly reduces raw material consumption and reduce cost of manufacture.

The foregoing is only to explain preferred embodiment of the present utility model, not attempt is done any pro forma restriction to the utility model according to this.Therefore, all have under identical invention spirit, do relevant any modification of the present utility model or change, all must be included in the category of the utility model intention protection.

Claims

1. an integrated, multi-level formula LED fluorescent tube for modular, is characterized in that, comprises:

One modularized limit emitting diode (LED) pedestal, there is a bright dipping side, in this bright dipping side, form a groove, on the bottom surface of this groove, set firmly at least one lighting unit and at least one bridge-jointing unit, this at least one lighting unit forms electrical connection by routing joining technique and this at least one bridge-jointing unit, wherein this at least one lighting unit is comprised of a plurality of LED crystal grain, at least one bridge-jointing unit is comprised of a plurality of conducting elements, two LED intergranules arrange at least one conducting element, or at least one LED crystal grain is set between two conducting elements;

One cooling base, this modularized limit emitting diode (LED) pedestal is arranged on this cooling base, and the both sides of this cooling base outer peripheral face arrange two corresponding circular troughs;

One circuit unit, is located on this cooling base, and this circuit unit is arranged at the outside of this groove;

One optical layers, covers this at least one lighting unit and this at least one bridge-jointing unit;

One protective layer, is covered on this optical layers; And

One diffusion shell, both sides form respectively a rounded protruding pinna inwardly, and this two protruding pinna is sheathed on respectively in two circular troughs of this cooling base, so that this diffusion shell is incorporated on this cooling base, and is positioned at the going out on light path of this LED crystal grain.

2. the integrated, multi-level formula LED fluorescent tube of modular as claimed in claim 1, is characterized in that, the two side of this groove is one non-perpendicular, and the angle of inclination of the two side of this groove is respectively between 40 to 65 degree.

3. the integrated, multi-level formula LED fluorescent tube of modular as claimed in claim 1, it is characterized in that, this cooling base utilizes aluminium to be shaped through extruding, semicircular in shape hollow base, in this cooling base, have an accommodation space, the both sides at this cooling base top form respectively two chutes of mutual correspondence, between this two chute, are formed with between a groove, this modularized limit emitting diode (LED) pedestal configurable between this groove in, configurable one of them in this two chute of this circuit unit.

4. the integrated, multi-level formula LED fluorescent tube of modular as claimed in claim 3, is characterized in that, more comprise a LED driver element, this LED driver element is arranged in this accommodation space.

5. the integrated, multi-level formula LED fluorescent tube of the modular as described in claim 1 or 3, it is characterized in that, this cooling base Lower Half is formed with a plurality of radiating fins, and this radiating fin is configured to radial as flower shape, and the surface of each radiating fin is all wavy.

6. the integrated, multi-level formula LED fluorescent tube of modular as claimed in claim 5, is characterized in that, this radiating fin is and is arranged parallel to each other, and this radiating fin has more a radian.

7. the integrated, multi-level formula LED fluorescent tube of modular as claimed in claim 1, is characterized in that, the positive pole of this circuit unit and negative pole and conducting element between two conducting elements at two ends, each forms electrical connection with an outer lead.

8. the integrated, multi-level formula LED fluorescent tube of the modular as described in claim 1 or 7, it is characterized in that, the top of this conducting element is formed with a conducting wire and two joint sheets, and this two joint sheet is connected in the two ends of this conducting wire, and this two joint sheet is the contact that routing engages.

9. the integrated, multi-level formula LED fluorescent tube of modular as claimed in claim 8, is characterized in that, a soldered ball is set on one of them of this two joint sheet, and one end of this outer lead is welded in this soldered ball.

10. the integrated, multi-level formula LED fluorescent tube of modular as claimed in claim 9, it is characterized in that, this conductive chip comprises sandwich construction, the bottom of this conductive chip is Silicon Wafer, ceramic chip or glass-chip, bottom in this conductive chip is upwards sequentially formed with a titanium coating and an aluminum metal layer, and this titanium coating and this aluminum metal layer form by lug manufacturing process.

The integrated, multi-level formula LED fluorescent tube of 11. modulars as claimed in claim 1, is characterized in that, between this two circuit unit and this conducting element, each forms electrical connection with a modularization lead frame.

The integrated, multi-level formula LED fluorescent tube of 12. modulars as claimed in claim 11, it is characterized in that, under this modularized limit emitting diode (LED) base bottom, more form a holder, this holder is fixed on this cooling base, wherein this holder is provided with at least one the first locating hole and one second locating hole, this first locating hole and this second locating hole are respectively arranged at front side and the rear side corresponding to this groove, this modularization lead frame consists of a package module and lead frame, the bottom of this package module projects out a locating convex block corresponding with this first locating hole and this second locating hole, and the top of this package module is formed with a groove corresponding to the part of this groove, and this package module is this lead frame of coated part only, this lead frame extends out a wire guide plate corresponding to a side of this circuit unit, this wire guide plate is not by by the coated part of this package module and be electrically connected at this circuit unit, the bottom surface of this groove offers the conductive window portion that this lead frame is exposed, wherein between one of them of two conducting elements at two ends of this conductive window portion and this conducting element, cross-over connection has an outer lead, the locating convex block of this package module is inserted in this first locating hole or this second locating hole, now this package module end face corresponding with this modularized limit emitting diode (LED) pedestal is bonded to each other, and this groove is communicated in this groove.