CN209087899U - A kind of LED filament of colour - Google Patents

Abstract

The utility model provides a kind of LED filament of colour, including resin photic zone, along its length the multiple LED units arranged, each LED unit includes the different LED wafer of multiple colors, the LED wafer further includes multiple conducting wires, the LED wafer both ends are electrically connected with a conducting wire respectively, and the resin photic zone is wrapped in the LED wafer, outside the conducting wire.LED wafer both ends are electrically connected with a conducting wire respectively, make light-emitting mode of the LED unit being made of the different LED wafer of multiple colors with multicolour by conducting wire, therefore the LED filament structure is relatively simple.

Description

A kind of LED filament of colour

Technical field

The utility model relates to field of light fittings, especially a kind of LED filament of colour.

Background technique

LED is called light emitting diode, is a kind of solid state semiconductor devices that can convert electrical energy into visible light, it can Directly to convert electricity to light.The heart of LED is the chip (LED wafer) of a semiconductor, and one end of chip is attached to a branch On frame, one end is cathode, and the other end connects the anode of power supply, is encapsulated entire chip by epoxy resin.Semiconductor wafer Consist of two parts, a part is P-type semiconductor, and hole is occupied an leading position inside it, and the other end is N-type semiconductor, at this While being mainly electronics.But when both semiconductors connect, a P-N junction is just formed between them.When electric current passes through When conducting wire acts on this chip, electronics will be pushed to the area P, and electronics, then will be with light with hole-recombination in the area P The form of son issues energy, and here it is the principles that LED light shines.And the wavelength of light i.e. the color of light, it is by formation P-N junction Material determine.

The light-emitting component of LED mainly has LED lamp bead (straight cutting, patch), two kinds of forms of LED filament.The luminous mould of LED filament Formula is single.In order to obtain there are many lamps and lanterns of light-emitting mode, usually luminaire manufacturer manufactures or purchases respectively circuit board (containing control Device processed), lamp bead, after lamp bead is welded one by one on circuit boards, the quantity of lamp bead is more.

Referring to Figure 1, notification number is that the Chinese utility model patent of CN204592994U discloses a kind of RGB LED light String, is formed by connecting by multiple RGB LED light, RGB LED light include LED drive chip, RGB LED lamp bead and controller, LED drive chip is connected with RGB LED lamp bead by lamp base, and insulated enclosure colloid is coated on LED drive chip and RGB LED light The outside of pearl, the external positive lamp base of LED drive chip, cathode lamp base, signal input lamp base and signal export lamp base, LED chip External cathode lamp base, controller are connected with signal input lamp base, power supply respectively, and signal exports lamp base and an adjacent RGB Signal input lamp base, the power supply of LED light are connected.

The single led lamp bead of the prior art needs LED drive chip to realize the display of multicolour, higher cost, And structure is complex.

Utility model content

In order to overcome the above problem, the utility model provides the color LED filament of the light-emitting mode of one kind of multiple colors.

In order to achieve the above-mentioned advantages, the utility model provides a kind of LED filament of colour, including resin photic zone, along length side To multiple LED units of arrangement, each LED unit includes the different LED wafer of multiple colors, and the LED filament also wraps Multiple conducting wires are included, the LED wafer both ends are electrically connected with a conducting wire respectively, and it is brilliant that the resin photic zone is wrapped in the LED Outside piece, the conducting wire.

In one embodiment of the utility model, the LED filament further includes for controlling each described output end Controller and the multiple pins for being connected with controller output end of electric current output.

In one embodiment of the utility model, the end of the conducting wire has for connecting the multiple of the LED unit Connection unit.

In one embodiment of the utility model, the connection unit includes: bonding pad, Zone R, the area G, the area B, the connection Area and the Zone R, the area G are fixed with multiple LED wafers between the area B.

In one embodiment of the utility model, the LED filament further includes the substrate being made of insulating material, the substrate For fixing the LED wafer, the conducting wire, the LED unit Oa.

In one embodiment of the utility model, the substrate is also used to fix multiple pins.

In one embodiment of the utility model, the substrate is pcb board.

In one embodiment of the utility model, the controller is also used to control the size of current of the output end.

In one embodiment of the utility model, the controller is used to control the electric current output of each output end Time and direction.

In one embodiment of the utility model, the conducting wire is printed circuit.

In the utility model, LED wafer both ends are electrically connected with a conducting wire respectively, are made by conducting wire different by multiple colors The LED unit of LED wafer composition there is the light-emitting mode of multicolour, therefore the LED filament structure is relatively simple.

Detailed description of the invention

Fig. 1 show the structural schematic diagram of the RGB LED light string of the prior art.

Fig. 2 show the structural schematic diagram of the colored LED filament of the utility model first embodiment.

The bottom view of the colored LED filament of Fig. 2 shown in Fig. 3.

The cut-away illustration of the colored LED filament of Fig. 2 shown in Fig. 4.

Fig. 5 show the structural schematic diagram of the colored LED filament of the utility model second embodiment.

Fig. 6 show the structural schematic diagram of the colored LED filament of the utility model 3rd embodiment.

Specific embodiment

Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken, Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes specific embodiment, structure, feature and its effect, Detailed description is as follows.

Refer to Fig. 2, Fig. 3, Fig. 4, the colored LED filament of the utility model first embodiment, including resin photic zone 1, the multiple LED unit Oa arranged along its length, each LED unit Oa include the different LED wafer 2 of multiple colors, The LED filament further includes multiple conducting wires 5, and 2 both ends of LED wafer are electrically connected with a conducting wire 5 respectively.The LED filament is also Including multiple pins 4 for the connection of output end 31 with controller 3, each described pin 4 is connected with a conducting wire 5.Institute It states controller 3 and is exported for controlling the electric current of each output end 31, it is brilliant that the resin photic zone 1 is wrapped in the LED Outside piece 2, the conducting wire 5.

LED filament further includes the substrate 6 being made of insulating material, and the substrate 6 is for fixing the LED wafer 2, described leading Line 5.The substrate 6 is pcb board.The substrate 6 is also used to fix multiple pins 4.Pin 4 passes through conducting wire 5 and controller 3 Output end 31 be electrically connected.

Controller 3 is fixed on the top or the back side of substrate 6, and controller 3 is used to control the size of current of the output end 31. 31 controller 3 of output end is also used to control time and the direction of the electric current output of each output end 31.

Controller 3 is by controlling the size of current of output end 31 corresponding with pin 4 and the electricity of each output end 31 The time and direction for flowing output make the LED filament realize several lighting modules.

Conducting wire 5 is printed circuit.There is at least one described LED wafer 2 between every two conducting wires 5.The conducting wire 5 End has multiple connection units 9 for connecting LED unit Oa, and connection unit 9 includes: bonding pad 91, Zone R 92, the area G 93, B Area 94.Bonding pad 91 connect by pin 4 with the positive or negative pole of power supply, Zone R 92, the area G 93, the area B 94 pass through respectively pin 4 and The positive or negative pole of power supply connects.Bonding pad 91 and Zone R 92, the area G 93 are fixed with LED unit Oa between the area B 94.

The corresponding LED unit Oa of the multiple and connection unit 9 that the LED filament of the colour has, LED unit Oa is along length side To arrangement.Each LED unit Oa includes the different LED wafer 2 of multiple colors, and LED wafer 2 can be subdivided into LED wafer again O1, LED wafer O2, LED wafer O3.The both ends of LED wafer O1 are connected and fixed with bonding pad 91, Zone R 92 respectively；LED wafer O2 Both ends be connected and fixed respectively with bonding pad 91, the area G 93；The both ends of LED wafer O3 connect with bonding pad 91, the area B 94 solid respectively It is fixed.LED wafer O1 can produce red light source, and LED wafer O2 can produce green light source, and LED wafer O3 can produce blue-light source.Base 6 back side of plate is equipped with the metal dots 95 that are electrically connected with bonding pad 91, Zone R 92, the area G 93, the area B 94, bonding pad 91, Zone R 92, the area G 93, The area B 94 is respectively equipped with metal aperture 96 corresponding with metal dots 95.When the conducting wire 5 for being located at 6 surface of substrate is unable to satisfy to connection list When the wiring of member 9, metal dots 95 can be then electrically connected by being arranged in the conducting wire 5 at 6 back side of substrate with corresponding pin 4.

During the installation process, connection unit 9 and conducting wire 5 are laid out in advance, then with LED wafer O1, LED wafer O2, LED wafer O3 be one group be installed on 9 surface of connection unit, finally by resin photic zone 1 be wrapped in substrate 6, LED unit Oa, Outside connection unit 9 and conducting wire 5, to complete to install.

In the present embodiment, controller 3 by control corresponding with pin 4 output end 31 size of current and each The time of the electric current output of output end 31 and direction enable the LED filament to generate the light of multicolour when being powered.

Refer to Fig. 5, in the second embodiment of the utility model, substrate 6 is made of transparent resin.Conducting wire 5 is printed in 6 two sides of substrate, 6 two sides of substrate are enclosed with resin photic zone 1.Resin photic zone 1 is located above LED unit Oa equipped with hemispheric Astigmatism portion 11.

In use, the bright reflection by resin photic zone 1 in part caused by the LED filament is across transparent Substrate 6 is projeced into 6 back side of substrate, therefore improves the utilization rate of light, while part light is in resin photic zone 1 and substrate 6 Interior continuous reflection makes the entire LED filament that can generate light.

Refer to Fig. 6, in the 3rd embodiment of the utility model, controller 3 has the output end 31 connecting with conducting wire 5. Conducting wire 5 is wrapped with insulating materials.Since insulating materials has the function of insulation, conducting wire 5 can intersect with another conducting wire 5. LED wafer 2 includes M1, M2, M3, M4, M5, M6, M7, M8, M9, M10, M11, M12, M13, M14, M15, M16, M17, M18.Its Middle M1, M2, M3 composition LED unit Oa, M4, M5, M6 composition LED unit Ob, M7, M8, M9 composition LED unit Oc, M10, M11, M12 forms LED unit Od, and M13, M14, M15 form LED unit Oe, and M16, M17, M18 form LED unit Of.LED unit Oa, LED unit Ob, LED unit Oc, LED unit Od, LED unit Oe, LED unit Of respectively and can be simultaneously emitted by 7 kinds of different colours Light source.Light source includes: R, G, B and combined RG, RB, GB, RGB.R is red, and G is green, and B is blue.Conducting wire 5 includes Positive wire 51 and cathode conductor 52.A piece positive wire 51 is electrically connected with one end of multiple LED wafers 2 respectively, cathode conductor 52 include N1, N2, N3, and N1 is electrically connected with the other end of M1, M4, M7, M10, M13, M16 respectively, M1, M4, M7, M10, M13, The capable of emitting R color light source of M16；N2 is electrically connected with the other end of M2, M5, M8, M11, M14, M17 respectively, M2, M5, M8, M11, M14, The capable of emitting G color light source of M17；N3 is electrically connected with the other end of M3, M6, M9, M12, M15, M18 respectively, M3, M6, M9, M12, M15, The capable of emitting B color light source of M18.Positive wire 51, cathode conductor 52 are electrically connected with output end 31 respectively.

In installation and use process, 3 control output end 31 of controller respectively with the energization of N1 and/or N2 and/or N3 or Power-off.If positive wire 51 and N1 are powered, LED unit Oa, LED unit Ob, LED unit Oc, LED unit Od, LED unit Oe, LED unit Of are simultaneously emitted by R color light source；If positive wire 51 and N2 are powered, LED unit Oa, LED unit Ob, LED are mono- First Oc, LED unit Od, LED unit Oe, LED unit Of are simultaneously emitted by G color light source；If positive wire 51 and N3 are powered, LED Unit Oa, LED unit Ob, LED unit Oc, LED unit Od, LED unit Oe, LED unit Of are simultaneously emitted by B color light source；If just Polar conductor 51 and N1 and N2 are powered, then LED unit Oa, LED unit Ob, LED unit Oc, LED unit Od, LED unit Oe, LED Unit Of is simultaneously emitted by RG color light source；If positive wire 51 and N1 and N3 are powered, LED unit Oa, LED unit Ob, LED unit Oc, LED unit Od, LED unit Oe, LED unit Of are simultaneously emitted by RB color light source；If positive wire 51 and N2 and N3 are powered, LED unit Oa, LED unit Ob, LED unit Oc, LED unit Od, LED unit Oe, LED unit Of are simultaneously emitted by GB color light source； If positive wire 51 and N1 and N2 and N3 are powered, LED unit Oa, LED unit Ob, LED unit Oc, LED unit Od, LED are mono- First Oe, LED unit Of are simultaneously emitted by RGB color light source.Controller 3 can also pass through the electricity of control output end 31 corresponding with conducting wire 5 The time of the electric current of stream size and each output end 31 output makes the light-emitting mode of LED filament realization multiple color.

Compared to the LED wafer 2 of the solid color of first embodiment, the LED filament of more pins 4 of the present embodiment has multiple Luminescence unit can realize the lighting demand of multiple color by controller 3.

In the utility model, which multiple LED wafers 2 arranged along its length are arranged on substrate 6, then Encapsulation, solidification unit price are relatively low together, then connect multiple pins 4 of LED filament with conducting wire 5, pin 4 and conducting wire 5 Pad is few, and overall cost is lower.

In the utility model, controller 3 is by controlling the size of current of corresponding with pin 4 output end 31 and each The time of the electric current output of a output end 31 and direction make the LED filament realize several lighting modules.

In the utility model, LED wafer both ends are electrically connected with a conducting wire respectively, are made by conducting wire different by multiple colors The LED unit of LED wafer composition there is the light-emitting mode of multicolour, therefore the LED filament structure is relatively simple.

More than, it is only the preferred embodiment of the utility model, limit in any form not is made to the utility model System, although the utility model has been disclosed with preferred embodiment as above, is not intended to limit the utility model, any to be familiar with sheet Technical professional is not departing within the scope of technical solutions of the utility model, when the technology contents work using the disclosure above A little change or it is modified to the equivalent embodiment of equivalent variations out, but all without departing from the content of the technical scheme of the utility model, according to According to the technical essence of the utility model any simple modification, equivalent variations and modification to the above embodiments, still fall within In the range of technical solutions of the utility model.

Claims (10)

1. a kind of LED filament of colour, which is characterized in that the multiple LED arranged including resin photic zone, along its length are mono- Member, each LED unit include the different LED wafer of multiple colors, and the LED filament further includes multiple conducting wires, the LED Chip both ends are electrically connected with a conducting wire respectively, and the resin photic zone is wrapped in the LED wafer, outside the conducting wire.

2. the LED filament of colour according to claim 1, which is characterized in that the LED filament further includes every for controlling The controller of the electric current output of one output end and the multiple pins being connect with the output end.

3. the LED filament of colour according to claim 1, which is characterized in that the end of the conducting wire has for connecting Multiple connection units of the LED unit.

4. the LED filament of colour according to claim 3, which is characterized in that the connection unit includes: bonding pad, R Area, the area G, the area B, the bonding pad and the Zone R, the area G are fixed with multiple LED wafers between the area B.

5. the LED filament of colour according to claim 2, which is characterized in that the LED filament further includes by insulating materials Manufactured substrate, the substrate is for fixing the LED wafer, the conducting wire, the LED unit Oa.

6. the LED filament of colour according to claim 5, which is characterized in that the substrate is also used to fix multiple described Pin.

7. the LED filament of colour according to claim 5, which is characterized in that the substrate is pcb board.

8. the LED filament of colour according to claim 2, which is characterized in that the controller is also used to control described defeated The size of current of outlet.

9. the LED filament of colour according to claim 2, which is characterized in that the controller is for controlling each institute State time and the direction of the electric current output of output end.

10. the LED filament of colour according to claim 1, which is characterized in that the conducting wire is printed circuit.