CN204901412U

CN204901412U - LED bulb

Info

Publication number: CN204901412U
Application number: CN201520615066.1U
Authority: CN
Inventors: 杨志强
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-08-14
Filing date: 2015-08-14
Publication date: 2015-12-23
Anticipated expiration: 2025-08-14

Abstract

The utility model provides a LED bulb, includes the printing opacity cell -shell, be equipped with in the printing opacity cell -shell and guide the stem stem of being qualified for the next round of competitions, be fixed with at least one LED encapsulation on the lead -out wire, the LED encapsulation links to each other through driver and electric connector, printing opacity cell -shell and stem stem seal, in the inside airtight space of formation of printing opacity cell -shell, and its characterized in that: the LED encapsulation is including the base plate, be equipped with a plurality of LED chips on the base plate, the base plate is banding base plate, be equipped with at least one fluting that extends along the length direction of base plate on the base plate, a plurality of LED chips on the base plate pass through the connecting wire and establish ties each other and/or be parallelly connected. This LED bulb can establish ties the LED chip on the base plate or parallelly connected through the middle discrete fluting of base plate, and the LED chip is set to a different light zone piece to the convenience, can carry out solitary circuit control to the LED chip of different blocks, forms intelligent lighting control system.

Description

A kind of LED bulb

Technical field

The utility model relates to a kind of LED light source, particularly relates to a kind of LED bulb.

Background technology

In prior art, there is different LED encapsulation method, comprise pin (Lamp) LED, chip on board directly-mounting type (ChipOnBoard) LED, SMD (SurfaceMountDevice) LED, system (SystemInPackage) LED etc., and according to different LED encapsulation method, different base plate for packaging can be used.

In the ordinary course of things, the substrate of chip on board directly-mounting type (ChipOnBoard) LED is the substrate be made up of circuit board or homogenous material, as metal, PVC, lucite, plastics etc., and shape is planar rectangular mostly, planar rondure or planar strip etc., and the edge of substrate is generally smoothed curve or straight line.

And existing substrate arranges LED chip and after sealing up fluorescent glue, what send is planar light, even if multiple substrate to be arranged to the illuminator of three-dimensional shape, not thorough due to overall construction design, the also easy phenomenon occurring non-uniform light in illuminator surrounding.In addition, when substrate is light transmissive material, although can 360 degree luminous, usually can run into heat dissipation problem, when substrate is light-proof material, such as metal, just can not have light in the one side not arranging LED chip, can not 360 degree omnibearing luminous.

Generally speaking, the lighting angle of existing chip on board directly-mounting type (ChipOnBoard) LED package substrate and bulb is even not, cannot multi-angle, luminous at many levels, and easily meets heat dissipation problem, affects luminous efficiency.

Utility model content

Technical problem to be solved in the utility model is to provide one and had both been easy to heat radiation, is easy to again LED chip distribution and realizes multicolor luminous at many levels, and can realize the LED bulb of LED bulb all-dimensional multi-angle luminescence.

The utility model solves the problems of the technologies described above adopted technical scheme: a kind of LED bulb, comprise printing opacity cell-shell, the stem stem of band lead-out wire is provided with in described printing opacity cell-shell, described lead-out wire is fixed with at least one LED, described LED is connected with electric connector by driver, described printing opacity cell-shell and stem stem seal, confined space is formed in printing opacity cell-shell inside, it is characterized in that: described LED comprises substrate, described substrate is provided with multiple LED chip, described substrate is the substrate of strip, described substrate is provided with the fluting that at least one length direction along substrate extends, multiple LED chip on described substrate are connected mutually by connecting line and/or parallel connection.

Preferably, when described fluting is multiple, multiple described fluting is arranged along the length direction of described substrate and width interval, and the substrate of both sides of slotting is equipped with LED chip.

As another embodiment of the present utility model, described fluting comprises along the length direction of substrate multiple discontinuous manhole spaced apart.

In order to control the luminescence of LED chip better, described substrate is polylith, is joined end to end successively between the plurality of substrate by connecting elements.

For the ease of controlling and being connected, described connecting elements comprises the non-conducting portion connected by the end of adjacent substrate parcel, and be positioned at the current-carrying part of non-conducting portion, the substrate that described non-conducting portion connects with connecting elements does not all contact, and the LED chip on the substrate that described current-carrying part is connected with connecting elements is electrically connected by connecting line.

As another embodiment of bulb of the present utility model, at least one end of described substrate is connected with electrode outlet line, and described electrode outlet line is connected by connecting elements or connecting material with between substrate.

For the ease of controlling, the LED chip on substrate is divided into multiple part, the mid portion of described substrate is provided with lead-in wire, and described lead-in wire is electrically connected to the LED chip on substrate.

Preferably, described substrate is helix bar shaped substrate, and the spiral curve of substrate has interval does not each other contact when same plane.

Preferably, described substrate is arc, waveform, or the bar shaped substrate that multiple polygon or circle are spliced to form.

In order to more diversely control LED chip, described connecting elements is electrically connected with the LED chip at least part of substrate on multiple substrate, and described connecting elements is electrically connected to lead-in wire, is connected to lead-out wire by described lead-in wire.

Compared with prior art, the utility model has the advantage of this LED bulb, can by discontinuous fluting in the middle of substrate, LED chip on substrate is carried out connect or parallel connection, conveniently LED chip is arranged to different light-emitting blocks, the LED chip of this different light-emitting blocks can form different colours, colour temperature, brightness and aobvious finger etc., independent control circui can be carried out to the LED chip of different blocks, form intelligent lighting system, and, the setting of fluting is beneficial to air circulation and the heat radiation of encapsulation, and the life-span of LED bulb is more lengthened.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of the LED bulb of the utility model embodiment.

Fig. 2 is the schematic diagram of the substrate of the LED of the first embodiment of the utility model LED bulb.

Fig. 3 is the schematic diagram of the LED of the first embodiment of the utility model LED bulb.

Fig. 4 is the schematic diagram of the LED of the second embodiment of the utility model LED bulb.

Fig. 5 is the schematic diagram of the substrate of the LED of the 3rd embodiment of the utility model LED bulb.

Fig. 6 is the schematic diagram of the LED of the 3rd embodiment of the utility model LED bulb.

Fig. 7 is the side view of the mid portion of the LED of the 3rd embodiment of the utility model LED bulb.

Fig. 8 is the side view of the end of the LED of the 3rd embodiment of the utility model LED bulb.

Fig. 9 is the schematic diagram of the LED of the 4th embodiment of the utility model LED bulb.

Figure 10 is the schematic diagram of the LED of the 5th embodiment of the utility model LED bulb.

Detailed description of the invention

Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.

As shown in Figure 1, be the schematic diagram of LED bulb of the present utility model.This bulb comprises a printing opacity cell-shell 20, and be provided with stem stem 30 in this printing opacity cell-shell 20, stem stem 30 is provided with lead-out wire 31, lead-out wire 31 is fixedly connected with at least one LED 40.The lead-in wire 6 of the electrode outlet line 2 of this LED 40 and substrate 1 centre is connected to driver 50 by this lead-out wire 31, driver 50 is positioned at electric connector 60 and is connected, and be positioned at electric connector 60, electric connector 60 is positioned at the below of printing opacity cell-shell 20, for connecting extraneous power supply.Printing opacity cell-shell 20 and stem stem 30 seal, and in the confined space that printing opacity cell-shell 20 is formed, can be filled with and protect LED and the gas being beneficial to LED heat radiation, this gas can be helium or hydrogen helium gas mixture.Described printing opacity cell-shell 20 material is transparent, milky white, frosted or coloured cell-shell, also can have reflecting layer for part, or part has the cell-shell of little prism, lenslet.The shape of described printing opacity cell-shell 20 is the shape of A type, G type, R type, PAR type, T-shaped, candle type or other existing Lamp bulb cases.Described electric connector 60 is the one in the existing electric connector such as E40, E27, E26, E14, GU.

As shown in Figure 2,3, first embodiment of LED bulb of the present utility model, LED in this embodiment comprises the substrate 1 of a strip, the two ends of substrate 1 are provided with electrode outlet line 2, electrode outlet line 2 is fixed by the two ends of connecting elements 3 and/or connecting material and substrate, and this connecting material can be glue, ceramic glue, low-melting glass, silver slurry or plastics.This electrode outlet line 2 is connected to substrate 1 by connecting elements 3, and can be that one end of this substrate 1 is provided with electrode outlet line 2, and the other end is not provided with electrode outlet line, and whole substrate is as another electrode outlet line.Whole substrate, as another electrode outlet line, is beneficial to the heat radiation of the LED chip on substrate more.

Preferably, this substrate is helix bar shaped substrate, and as shown in Figure 2, and the spiral curve of substrate 1 has interval does not each other contact when same plane.This substrate can be circular helical-line bar, can be elliptical spiral lines, also can be the spirality lines of other polygons splicings such as square, pentagon, hexagon, and can be the geometry of rule, also can be irregular geometry.This helix bar shaped substrate 1 comprises at least 1/2 spiral coil.

The material of substrate 1 can adopt the wherein one in metal, lucite, PVC, plastics, sapphire, pottery or silica gel, or the multiple material in above-mentioned material is made by splicing or nested mode.

As shown in Figure 2, this substrate 1 is provided with the fluting 5 that at least one length direction along substrate 1 extends, when this fluting 5 is multiple, can be arrange along the length direction interval of substrate 1, also can be arrange along the width interval of substrate 1, also can also be arranged at intervals with multiple simultaneously along its length in the width direction.Substrate 1 is divided into multiple interconnective part by this fluting 5, and the setting of this fluting 5 not only can increase the heat radiation of substrate 1, also can so that the arrangement of LED chip on substrate is arranged.Such as, as shown in Figure 1, this substrate 1 is provided with the spaced multiple fluting 5 of multiple length direction along substrate 1.As shown in Figure 2,3, substrate 1 is fixed with multiple LED chip 10, LED chip 10 is fixed on substrate 1 by transparent adhesive tape or conducting resinl, such as silica gel, modified resin, epoxy resin, elargol or copper glue.

LED chip 10 on the substrate 1 of each fluting 5 both sides can be mutually connected by connecting line, and two groups of LED chip 10 of 5 both sides of slotting can be parallel with one another by connecting line 11, also can mutually connect, and user can connect as required.

In Fig. 3, this substrate 1 is provided with the fluting 5 that multiple length direction interval along substrate 1 extends, substrate 1 is divided into two parts by fluting 5 in the direction of the width, multiple LED chip 10 of each fluting 5 side are connected mutually, namely multiple LED chip 10 of each fluting 5 side become one group, parallel with one another between the often group LED chip 10 of 5 both sides of slotting.As shown in Figure 2, be also provided with lead-in wire 6 between these two flutings 5, this lead-in wire 6 is electrically connected with the LED chip of connecting of fluting 5 both sides, makes many groups LED chip of multiple fluting 5 both sides in parallel mutually.Multiple LED chip 10 is connected mutually by connecting line 11, also organizes series connection by connecting line more than 11.

Make the arrangement of LED chip like this and control simpler and diversified.User can the multiple LED chip of series and parallel connections as required, and the LED chip of different colours of arranging.And the existence of fluting 5, also make the brightness of whole LED higher, make the light of LED chip can be passed to the back side or other faces by fluting 5, lighting angle is more comprehensive.If when substrate 1 is printed with printed circuit, the LED chip on substrate 1 can not be interconnected by connecting line 11, also can LED chip be directly interconnected by printed circuit.

And the surface of described LED chip 10 and substrate 1 is coated with the dielectric layer that one deck has protection or lighting function, this dielectric layer is the combination of one or more in the luminous arogel of silica gel, epoxide-resin glue and LED.

As shown in Figure 4, for the second embodiment of the bulb of this LED, in this embodiment, identical as in the first embodiment of the structure of the LED in this LED bulb, comprise substrate 1, in the two ends of substrate 1, at least one end is provided with electrode outlet line 2, be connected by connecting elements 3 between electrode outlet line 2 with substrate 1, this substrate 1 is provided with interval along its length and arranges and the multiple flutings 5 extended along its length, substrate 1 is divided into two side portions by fluting 5 from the width direction, every side of the both sides of this fluting 5, be respectively equipped with multiple LED chip 10, mutually connected by connecting line 11 between multiple LED chip 10 of every side, the LED chip 10 of every side is connected by connecting line 11 respectively with between the electrode outlet line 2 at substrate 1 two ends, namely make two groups of LED chip 10 of fluting 5 both sides parallel with one another.

And also can be that lead-in wire 6 is set in the middle part of substrate 1, substrate 1 is divided into multistage LED chip 10 along its length, every section of LED chip 10 comprises the two groups of LED chip being positioned at fluting 5 both sides, and two groups of LED chip are in parallel by middle lead-in wire 6 or are connected.Namely can arrange the LED chip that many groups are different on substrate 1, every core assembly sheet can also can be connected in parallel connection, can arrange as required.

As Fig. 5,6, shown in 7 and 8, for the 3rd embodiment of this LED bulb, in this embodiment, in this LED bulb: LED comprises multistage and is connected to form overall substrate 1 end to end successively, the plurality of substrate 1 is interconnected by connecting elements 3, this connecting elements 3 is not only from connection substrate structure 1, but also the LED chip 10 on electrical connection substrate 1.Each substrate 1 is equipped with the fluting 5 that the length direction along substrate 1 extends, fluting 5 distribution mode is on substrate 1 the same with first, second embodiment, can be arranged at intervals with multiple along its length, also can be that parallel interval is provided with multiple in the width direction.

Preferably, the structure of connecting elements 3 as shown in Figure 7,8, as shown in Figure 7, for this connecting elements 3 connects the structural representation of two substrates 1, as shown in Figure 7, is this connecting elements 3 connection substrate 1 and the schematic diagram of electrode outlet line 2.As shown in Figure 7, this connecting elements 3 comprises and mutually being wrapped up and the non-conducting portion 31 connected the end of two pieces of substrates 1, and being positioned at the current-carrying part 32 of described non-conducting portion 31, the substrate 1 that described current-carrying part 32 is connected with connecting elements 3 does not all contact with each other.Because non-conducting portion 31 is non-conductive, therefore it only plays the effect structurally connected the end of substrate 1.LED chip 10 in Fig. 7 on the end that substrate 1 is connected with connecting elements 3 is connected with the current-carrying part 32 in connecting elements 3 respectively by connecting line 11, and therefore, two pieces of substrates 1 are also electrically connected by connecting elements 3.The material of the non-conducting portion 31 of described connecting elements 3 is plastics, pottery or silica gel, and the material of current-carrying part 32 is metal.

As shown in Figure 8, this figure is by the interconnective structural representation of connecting elements 3 between substrate 1 and electrode outlet line 2.By in the substrate 1 in Fig. 4 wherein one piece replace with electrode outlet line 2.And by above-mentioned connecting elements 3, connecting elements 3 only can realize the disconnection in electrical connection by multiple substrate 1 structure connects, namely the LED chip on the substrate 1 on this connecting elements 3 can not be electrically connected to each other by connecting elements 3, and is electrically connected by other lead-in wires 6 be arranged on substrate 1.Connecting elements 3 only plays the effect of connection substrate 1.

Also can be as shown in Figure 6, comprise two substrates 1, centre is interconnected by intermediate attachment member 3, connecting elements 3 is from structure connection two substrates 1, and this connecting elements also can be electrically connected to the LED chip 10 on two substrates 1 respectively, and this connecting elements 3 leads to electrode outlet line 2 by the lead-in wire 6 be connected electrically, be connected to driver 50 and electric connector 60 by electrode outlet line.The structure of this connecting elements 3 can be identical with above-mentioned connecting elements 3, can play the effect of partition two substrates, also can play the effect of the LED chip of drawing on substrate.This each substrate 1 is equipped with multiple interval along its length to arrange and the fluting 5 extended along its length, the both sides of fluting 5 are divided into many group LED chip 10, substrate 1 can also be provided with lead-in wire 6 to be electrically connected with LED chip 10, make the LED chip 10 on substrate 1 realize series connection and/or parallel connection.

Such structure can realize the multiple connected mode between the multiple LED chip on substrate 1, namely the current-carrying part 32 in this non-conducting portion 31 can be multiple, each substrate 1 is equipped with the fluting 5 extended along its length, substrate 1 is separated into multiple part by fluting 5, and the LED chip 10 in the plurality of part can connect from different current-carrying parts 32, to realize series connection or the parallel connection of LED chip 10.

As shown in Figure 9, be the 4th embodiment of this LED bulb, this substrate 1 is interconnected by connecting elements 3 with electrode outlet line 2, and substrate 1 is provided with the fluting 5 of multiple arrangements in matrix shape at multiple length direction along substrate 1 and the equal interval of width.And the multiple row LED chip 10 that substrate 1 width separates, the LED chip 10 often in row is connected mutually, and parallel with one another between multiple row.The end of this substrate 1 is connected with electrode outlet line 2 by connecting elements 3, the Structure type of connecting elements 3 is identical with the connecting elements in above-mentioned second embodiment, the non-conducting portion 31 connecting electrode lead-out wire 2 of this connecting elements 3 and substrate 1, current-carrying part 32 is connected by connecting line 11 respectively with between the LED chip 10 on substrate 1 and electrode outlet line 2, and this current-carrying part 32 does not all directly contact with substrate 1 and electrode outlet line 2.Namely this connecting elements 3 connects two parts from structure, also can be electrically connected this electrode outlet line 2 and LED chip 10.This connecting electrode lead-out wire 2 and the connecting elements of substrate 1 also may be used for being connected multiple substrate 1.

As shown in Figure 10, for the 5th embodiment of this LED bulb, this substrate 1 is different from the board structure in above-mentioned first, second, third and fourth embodiment, substrate 1 in first, second, and third embodiment is square rectangular substrate, and the substrate 1 in the 5th embodiment is the bar shaped substrate of multiple circle splicing.Fluting 5 is for being positioned at the multiple discontinuous manhole 51 spaced apart along the length direction of substrate 1 on substrate 1, and this manhole 51 is arranged with the circular shape concentric on substrate, and the plurality of manhole 51 is arranged along the length direction interval of substrate 1.This fluting 5 also can be the structure of strip, and namely this fluting 5 can cross over multiple circle, and this substrate 1 also can be other shapes, such as, can be the square splicing varied in size, or other shapes.One end of this substrate 1 in this embodiment is provided with electrode outlet line 2, and the other end is not provided with electrode outlet line, and whole substrate is as another electrode outlet line.Therefore, the shape of this substrate 1 can be the strip that arc, waveform or multiple polygon be spliced to form mutually, also can be the bar shaped substrates of multiple circle splicing.And can recognize from this embodiment, fluting 5 on this substrate can be other various shape, not necessarily strips, or multiple circular port, also can be the fluting of erose fluting and other regular shapes, such as square, polygon etc.

This LED bulb, can by discontinuous fluting in the middle of substrate, LED chip on substrate is carried out connect or parallel connection, conveniently LED chip is arranged to different light-emitting blocks, the LED chip of this different light-emitting blocks can form different colours, colour temperature, brightness and aobvious finger etc., can carry out independent control circui to the LED chip of different blocks, form intelligent lighting system, and the setting of fluting is beneficial to air circulation and the heat radiation of encapsulation, makes the life-span of LED bulb more lengthen.

Although more than describe in detail preferred embodiment of the present utility model, should be expressly understood that, for a person skilled in the art, the utility model can have various modifications and variations.All do within spirit of the present utility model and principle any amendment, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims

1. a LED bulb, comprise printing opacity cell-shell (20), the stem stem (30) of band lead-out wire (31) is provided with in described printing opacity cell-shell, described lead-out wire (31) is fixed with at least one LED (40), described LED (40) is connected with electric connector (60) by driver (50), described printing opacity cell-shell (20) and stem stem (30) seal, confined space is formed in printing opacity cell-shell (20) inside, it is characterized in that: described LED (40) comprises substrate (1), described substrate (1) is provided with multiple LED chip (10), the substrate that described substrate (1) is strip, described substrate (1) is provided with the fluting (5) that at least one length direction along substrate (1) extends, multiple LED chip (10) on described substrate (1) are by connecting line (11) series connection and/or parallel connection mutually.

2. LED bulb as claimed in claim 1, it is characterized in that: when described fluting (5) is for time multiple, multiple described fluting (5) is arranged along the length direction of described substrate (1) and width interval, and the substrate (1) of (5) both sides of slotting is equipped with LED chip (10).

3. LED bulb as claimed in claim 1, is characterized in that: described fluting (5) comprises along the length direction of substrate (1) multiple discontinuous manhole (51) spaced apart.

4. the LED bulb according to any one of claim 1-3, is characterized in that: described substrate (1) is polylith, is joined end to end successively between the plurality of substrate (1) by connecting elements (3).

5. LED bulb as claimed in claim 4, it is characterized in that: described connecting elements (3) comprises the non-conducting portion (31) connected by the end of adjacent substrate parcel, and be positioned at the current-carrying part (32) of non-conducting portion (31), the substrate that described non-conducting portion (31) connects with connecting elements (3) does not all contact, and the LED chip (10) on the substrate (1) that described current-carrying part (32) is connected with connecting elements (3) is electrically connected by connecting line (11).

6. the LED bulb according to any one of claim 1-3, it is characterized in that: at least one end of described substrate (1) is connected with electrode outlet line (2), is connected between described electrode outlet line (2) with substrate (1) by connecting elements (3) or connecting material.

7. the LED bulb according to any one of claim 1-3, it is characterized in that: the mid portion of described substrate (1) is provided with lead-in wire (6), described lead-in wire (6) is electrically connected to the LED chip (10) on substrate (1).

8. LED bulb as claimed in claim 1, is characterized in that: described substrate (1) is helix bar shaped substrate, and the spiral curve of substrate (1) has interval does not each other contact when same plane.

9. LED bulb as claimed in claim 8, is characterized in that: described substrate (2) is arc, waveform, or the bar shaped substrate that multiple polygon or circle are spliced to form.

10. LED bulb as claimed in claim 4, it is characterized in that: described connecting elements (3) is electrically connected with the LED chip (10) at least part of substrate (1) on multiple substrate (1), and described connecting elements (3) is electrically connected to lead-in wire (6), be connected to lead-out wire (31) by described lead-in wire (6).