Lighting body with rigid or flexible LED filament and modular electrical connection system for lighting comprising such lighting body

Abstract

A lighting body (50) is described comprising a LED filament (51) used in the absence of heat-conducting inert gas which comprises, integrated with each of two positive and negative poles, an electromagnetic connection system (52) comprising a first wire (53) in electrically conductive material fixed to a second wire (54) in ferritic material for magnetic conductivity, these wires being inserted in a tube (55) in electrically conductive material; a modular electrical connection system (100) for two / three-dimensional development lighting comprising such a lighting body (50) is also described.

Description

[0001] LIGHTING BODY WITH RIGID OR FLEXIBLE LED FILAMENT

[0002] AND MODULAR ELECTRICAL CONNECTION SYSTEM FOR LIGHT-

[0003] ING COMPRISING SUCH LIGHTING BODY

[0004] The present invention relates , in general , to a lighting body with a rigid or flexible LED filament , and to a modular electrical connection system for lighting comprising such a LED lighting body .

[0005] In particular, the invention concerns a lighting body with LED filament equipped with an integrated electromagnetic connection system .

[0006] In the art , there are no known modular lamps that use LED filaments ; known LED filaments are contained in LED filament bulbs in which there is an inert gas that prevents the filament from burning, as there is no heat sink made of thermally conductive material inside LED filament bulbs .

[0007] When used with modular electrical connection systems for lighting, known LED filament bulbs have the problem of being relatively heavy and bulky, which does not allow the creation of products of dif ferent shapes , with sel f-supporting volumes characterised by very high lightness , which do not require the dissipation of large quantities of heat .

[0008] Obj ect of the present invention is solving the aforementioned prior art problems by providing a lighting body with a rigid or flexible LED filament , and a modular electrical connection system for lighting comprising such a lighting body which can be used without the presence of heat-conducting inert gas and without the need to dissipate heat , with reduced si ze and weight to be used with electrical connection systems having sel f-supporting volumes characteri zed by very high lightness .

[0009] The above and other obj ects and advantages of the invention, as will result from the following description, are achieved with a lighting body with a rigid or flexible LED filament , and a modular electrical connection system for lighting, comprising such a lighting body as those described in the independent claims . Preferred embodiments and nontrivial variations of the present invention form the subj ect matter of the dependent claims .

[0010] It is understood that all attached claims form an integral part of this description .

[0011] It will be immediately obvious that countless variations and modi fications can be made to what i s described ( for example relating to shape , dimensions , arrangements and parts with equivalent functionality) without departing from the scope of the invention as appears from the attached claims .

[0012] The present invention will be better described by some preferred embodiments thereof , provided by way of example and not of limitation, with reference to the attached drawings , in which :

[0013] Figures 1 , 2 show schematic views of a lighting body with a rigid or flexible LED filament according to the present invention;

[0014] Figure 3 shows a view of a modular electrical connection system for lighting comprising a lighting body with LED filament according to the present invention;

[0015] Figures 4 , 5 show schematic views of a module for a modular electrical connection system for lighting comprising a lighting body with LED filament according to the present invention .

[0016] Referring to the Figures , the lighting body 50 according to the present invention comprises a LED filament 51 , of the type used inside known filament LED bulbs , which is used in an innovative way in the absence of heat-conducting inert gas .

[0017] The LED filament 51 can be rigid ( shown in Figure 1 ) or flexible ( shown in Figure 2 ) and comprises , integrated with each of two positive and negative poles , an electromagnetic connection system 52 which comprises a first wire 53 made of electrically conductive material fixed, preferably superimposed, to a second wire 54 made of ferritic material , for example galvani zed iron, for magnetic conductivity, said wires being inserted in a tube 55 made of electrically conductive material ( for example brass ) .

[0018] Preferably, the lighting body 50 comprises an externally insulated resistor 58 , connected to the LED filament 51 , preferably to the positive pole , to regulate the supply voltage of the lighting body 50 ; preferably, the LED filament 51 is covered with glass or a translucent insulating material 56 .

[0019] The modular electrical connection system 100 for two / three-dimensional lighting in accordance with the present invention comprises a plurality of two-dimensional modules 10 , each module 10 comprising two distinct polarities 11 , 12 connectable to an electrical power supply, a negative pole 11 and a positive pole 12 , each pole 11 , 12 being formed by a wire made of externally insulated electrically conductive material , for example enamelled copper, comprising non-insulated connection portions 14 , 15 , 16 to connect the two poles 11 , 12 to each other via electrical contact elements 31 , 32 connected to the lighting body 50 with LED filament 51 .

[0020] Preferably, a first electrical contact element 31 is connected to two externally non-insulated end connection portions 14 , 15 of the two wires constituting the negative pole 11 and the positive pole 12 , and a second electrical contact element 32 i s connected to an externally non-insulated intermediate connection portion 16 of the wire constituting the positive pole 12 .

[0021] Preferably, the light body 50 is connected to the wires via electrically magnetic contact elements 31 , 32 , each pre ferably comprising a connecting element 33 , for example comprising brass details with mechanical clamping to the wires , to which a magnetic disk preferably made of nickel-plated neodymium is fixed, for example with a screw .

[0022] In a preferred embodiment of the invention, the modular electrical connection system 100 for two / three-dimensional lighting is made by weaving the two-dimensional modules 10 in a net shape , creating a weave of threads , obtained with a proces s similar to weaving with a manual loom, which connect a plurality of lighting bodies 50 with LED filament

[0023] 51 of the invention, preferably ELV type LEDs with very low voltage , and form a sel f-supporting three- dimensional volume . Advantageously, the lighting body with rigid or flexible LED filament of the invention can be used without the presence of heat-conducting inert gas and without the need to dissipate heat , with reduced size and weight and with electrical connection sys- terns having sel f-supporting volumes characteri zed by very high lightness .

Claims

CLAIMS1. Lighting body (50) comprising a LED filament (51) used in the absence of heat-conducting inert gas which comprises, integrated with each of two positive and negative poles, an electromagnetic connection system (52) comprising a first wire (53) in electrically conductive material fixed to a second wire (54) in ferritic material for magnetic conductivity, said wires being inserted in a tube (55) in electrically conductive material.

2. Lighting body (50) according to claim 1, characterised in that the LED filament (51) is rigid or flexible .

3. Lighting body (50) according to claim 1 or 2, characterised in that it comprises an externally insulated resistor (58) connected to the LED filament (51) to regulate the supply voltage of the lighting body ( 50 ) .

4. Lighting body (50) according to claim 3, characterised in that the resistance (58) is connected to the positive pole of the LED filament (51) .

5. Lighting body (50) according to any of the preceding claims, characterised in that the first wire (53) made of electrically conductive material is superimposed on the second wire (54) made of ferriticmaterial .

6. Lighting body (50) according to any of the preceding claims, characterised in that the LED filament (51) is covered with a glass or a translucent insulating material (56) .

7. Modular electrical connection system (100) for two / three-dimensional lighting comprising a plurality of two-dimensional modules (10) , each module (10) comprising two distinct poles (11, 12) connectable to an electrical supply, a negative pole (11) and a positive pole (12) , each pole (11, 12) being formed by a wire made of externally insulated electrically conductive material comprising non-insu- lated connection portions (14, 15, 16) to connect the two poles (11, 12) to each other via electrical contact elements (31, 32) connected to the lighting body (50) according to any of the previous claims.

8. Modular electrical connection system (100) for lighting according to claim 7, characterised in that the electrical contact elements (31, 32) are connected to the electromagnetic connection system (52) of the lighting body (50) according to any of claims 1 to 6.

9. Modular electrical connection system (100) for lighting according to claim 7 or 8, characterised inthat it comprises a first electrical contact element(31) connected to two externally non-insulated end connection portions (14, 15) of the two wires constituting the negative pole (11) and the positive pole (12) , and a second electrical contact element(32) connected to an externally non-insulated intermediate connection portion (16) of the wire constituting the positive pole (12) .

10. Modular electrical connection system (100) for lighting according to any of claims 7 to 9, characterised in that it is made by intertwining the two- dimensional modules (10) in the shape of a net, creating a network of wires that connect a plurality of lighting bodies (50) according to any of claims 1 to 6 and form a self-supporting three-dimensional volume .

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