CN207893437U - A kind of LED filament and the LED bulb that driving power can be exempted - Google Patents
A kind of LED filament and the LED bulb that driving power can be exempted Download PDFInfo
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- CN207893437U CN207893437U CN201820136130.1U CN201820136130U CN207893437U CN 207893437 U CN207893437 U CN 207893437U CN 201820136130 U CN201820136130 U CN 201820136130U CN 207893437 U CN207893437 U CN 207893437U
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Abstract
The utility model discloses a kind of LED filament and the LED bulb of driving power can be exempted, the LED filament includes substrate, the first PIN foot, the second PIN foot and several gold threads, LED core blade unit is provided in the middle part of substrate, first PIN foot is located at one end of substrate, and is electrically connected in first chipset of substrate one end and the second chipset by gold thread with being arranged；Second PIN foot is located at the other end of substrate, and is electrically connected with the third chipset and fourth chip group for being arranged in the substrate other end by gold thread；First chipset and third chipset are connect with the first electrode end of LED core blade unit, and the second chipset and fourth chip group are connect with the second electrode end of LED core blade unit；Wherein, the electrode direction of the first chipset and fourth chip group is identical as LED core blade unit, and the electrode direction of the second chipset and third chipset is opposite with LED core blade unit.So that no matter alternating current is positive half period or negative half-cycle energy lightening LED lamp silk, the LED bulb for exempting driving power is realized.
Description
Technical field
The utility model is related to LED field, more particularly to a kind of LED filament and the LED bulb that driving power can be exempted.
Background technology
Existing LED filament bulb lamp is all by installing power module at lamp cap, passing through assembled electronic component
（Resistance, diode, capacitance, wiring board etc.）The electric module source of formation converts alternating current to specified average anode current, will
Standard rated voltage is converted to suitable load light source voltage, and with electricity LED filament, this makes the power supply member of existing LED bulb
Device is more of high cost, and is time-consuming and laborious in assembling light bulb, and efficiency is low.
Thus the prior art could be improved and improve.
Utility model content
Place in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is that a kind of LED filament and drive can be exempted
The LED bulb of dynamic power supply utilizes its electrode direction and light emitting diode by the way that several chipsets are arranged at the both ends of substrate
One-way conduction characteristic so that no matter alternating current is positive half period or negative half-cycle energy lightening LED lamp silk, realizes and exempts driving electricity
The LED bulb in source effectively reduces product cost and the complicated degree of manufacture craft, improves production efficiency.
In order to achieve the above object, the utility model takes following technical scheme：
A kind of LED filament, including substrate, the first PIN foot, the second PIN foot and several gold threads, the middle part setting of the substrate
There is LED core blade unit, first PIN foot is located at one end of substrate, and by gold thread and the first core in substrate one end is arranged
Piece group and the electrical connection of the second chipset；Second PIN foot is located at the other end of substrate, and another in substrate by gold thread and setting
The third chipset and fourth chip group of one end are electrically connected；First chipset and third chipset and LED core blade unit
First electrode end connects, and second chipset and fourth chip group are connect with the second electrode end of LED core blade unit；Wherein,
The electrode direction of first chipset and fourth chip group is identical as LED core blade unit, second chipset and third core
The electrode direction of piece group is opposite with LED core blade unit.
In the LED filament, the both sides of the substrate have been respectively coated the first conductive layer and the second conductive layer, and described
The first electrode end of one chipset, third chipset and LED core blade unit is electrically connected by gold thread with the first conductive layer；Described
The second electrode end of two chipsets, fourth chip group and LED core blade unit is electrically connected by gold thread with the second conductive layer.
In the LED filament, one end of the first PIN foot and/or the second PIN foot is portion of terminal, and the portion of terminal has
At least two by the first PIN foot and/or the second PIN foot for being fixed on the fixed jaw on substrate, and the fixed jaw is from substrate
Bottom surface is bent upwards card and is pressed on the top surface of substrate.
In the LED filament, the other end of first PIN foot is the first electrode portion for connecting wire, described
The other end of second PIN foot is the second electrode portion for connecting wire.
In the LED filament, it is provided in first electrode portion or second electrode portion for the polar mark of mark lamp silk
Hole.
In the LED filament, the LED core blade unit, the first chipset, the second chipset, third chipset and
Four chipsets include at least a LED chip.
In the LED filament, first conductive layer and the second conductive layer are silver coating.
In the LED filament, the thickness of the silver coating is more than or equal to 40 millimeters.
A kind of LED bulb for exempting driving power comprising LED filament as described above.
Compared to the prior art, LED filament provided by the utility model and can exempt in the LED bulb of driving power, institute
It includes substrate, the first PIN foot, the second PIN foot and several gold threads to state LED filament, and LED chip list is provided in the middle part of the substrate
Member, first PIN foot is located at one end of substrate, and by gold thread and the first chipset and the second core in substrate one end is arranged
Piece group is electrically connected；Second PIN foot is located at the other end of substrate, and by gold thread and the third core in the substrate other end is arranged
Piece group and the electrical connection of fourth chip group；First chipset and third chipset and the first electrode end of LED core blade unit connect
It connects, second chipset and fourth chip group are connect with the second electrode end of LED core blade unit；Wherein, first chip
The electrode direction of group and fourth chip group is identical as LED core blade unit, the electrode side of second chipset and third chipset
To opposite with LED core blade unit.By the way that several chipsets are arranged at the both ends of substrate, its electrode direction and light-emitting diodes are utilized
The one-way conduction characteristic of pipe so that no matter alternating current is positive half period or negative half-cycle energy lightening LED lamp silk, realizes to exempt and drive
The LED bulb of dynamic power supply, effectively reduces product cost and the complicated degree of manufacture craft, improves production efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of LED filament provided by the utility model.
Fig. 2 is the circuit diagram of LED filament provided by the utility model.
Specific implementation mode
LED filament provided by the utility model and the LED bulb that driving power can be exempted, by being arranged at the both ends of substrate
Several chipsets utilize the one-way conduction characteristic of its electrode direction and light emitting diode so that no matter alternating current is positive half cycle
Phase or negative half-cycle can lightening LED lamp silk, realize the LED bulb for exempting driving power, effectively reduce product cost and
The complicated degree of manufacture craft improves production efficiency.
To keep the purpose of this utility model, technical solution and effect clearer, clear, develop simultaneously implementation referring to the drawings
The utility model is further described in example.It should be appreciated that specific embodiment described herein is only explaining this practicality
It is novel, it is not used to limit the utility model.
It please refers to Fig.1 and Fig. 2, LED filament provided by the utility model includes substrate 10, the first PIN foot 11, the 2nd PIN
The middle part of foot 12 and several gold threads 13, the substrate 10 is provided with LED core blade unit 20, if the LED core blade unit 20 includes
Dry LED chip, each LED chip are sequentially connected in series by gold thread 13.In the present embodiment, first PIN foot, 11 and second PIN foot 12
Using copper, aluminium or iron, heat conduction conducts electricity very well, is easy to process, directly mold can be used one time punching molded, production efficiency
It is high.
Wherein, one end of the substrate 10 is provided with the first chipset 31 and the second chipset 32, first PIN foot 11
It is electrically connected with first chipset, 31 and second chipset 32 positioned at one end of substrate 10, and by gold thread 13, the substrate
10 other end is provided with third chipset 33 and fourth chip group 34, and second PIN foot 12 is located at the other end of substrate 10,
And it is electrically connected with the third chipset 33 and fourth chip group 34 by gold thread 13, first chipset 31 and third chip
Group 33 is connect with the first electrode end of LED core blade unit 20, second chipset 32 and fourth chip group 34 and LED chip list
The second electrode end connection of member 20, and this four chipsets all have one-way conduction characteristic, wherein 31 He of the first chipset
The electrode direction of fourth chip group 34 is identical as LED core blade unit 20, the electricity of second chipset 32 and third chipset 33
Extreme direction is opposite with LED core blade unit 20 so that no matter alternating current, which is positive half period or negative half-cycle, can light LED chip list
Member 20 realizes the electric current of LED filament, and then exempts the driving power of LED bulb, effectively reduces product cost and makes work
The complicated degree of skill improves production efficiency.
When it is implemented, first chipset 31, the second chipset 32, third chipset 33 and fourth chip group 34 are equal
Including at least a LED chip, due to light emitting diode equally characteristic-one-way conduction with diode, in filament substrate 10
The positive and negative each die bond in a foot both ends at least chips, reversely coordinate with the electrode of LED core blade unit 20, ensure the sine of alternating current
The wave number of wave no matter positive half-wave or negative half-wave can be with normally.
Preferably, the first conductive layer 41 and the second conductive layer 42 has been respectively coated in the both sides of the substrate 10, for realizing
The electrical connection of LED core blade unit 20 and each chipset, wherein first chipset 31, third chipset 33 and LED chip
The first electrode end of unit 20 is electrically connected by gold thread 13 with the first conductive layer 41, second chipset 32, fourth chip group
34 and the second electrode end of LED core blade unit 20 be electrically connected with the second conductive layer 42 by gold thread 13, i.e., by LED core blade unit 20
With each chipset by above-mentioned polar alignment it is good after, by gold thread 13 by not connected first PIN foot 11 of the first chipset 31
One end, third chipset 33 are not connected with one end of the second PIN foot 12 and the first electrode end of LED core blade unit 20 and weld simultaneously
Electrical connection is realized on the first conductive layer 41, and the second chipset 32 is not connected with to the one of the first PIN foot 11 again by gold thread 13
End, fourth chip group 34 are not connected with one end of the second PIN foot 12 and the second electrode end of LED core blade unit 20 and are welded on simultaneously
Electrical connection is realized on second conductive layer 42, in input AC electricity, due to the electrode direction of two chipsets positioned at the same end
On the contrary, being located at the electrode direction of two chipsets of the same side also on the contrary, AC input current can only pass through the chipset of one end
It is exported by the chipset of the other end after flowing through LED core blade unit 20 afterwards, is arranged by cleverly chip polar orientation again so that
Regardless of the current direction of alternating current, LED core blade unit 20 can be lighted, realizes the rectification function of existing power supply module,
Effectively reduce product cost and assembling difficulty.
Specifically, first conductive layer, 41 and second conductive layer 42 is silver coating, with excellent electric conductivity,
Good between guarantee chipset and LED core blade unit 20 to be electrically connected, the thickness of the silver coating is preferably greater than to be equal to 40 millis
Inch, further ensure that can on silver coating normal weld gold thread 13, ensure circuit work reliability.
Further, one end of first PIN foot, 11 and/or second PIN foot 12 is portion of terminal 50, the portion of terminal 50
With at least two for the first PIN foot 11 and/or the second PIN foot 12 to be fixed fixed jaw on the substrate 10, the fixation
Pawl is bent upwards card from the bottom surface of substrate 10 and is pressed on the top surface of substrate 10, i.e., in described first PIN foot, 11 and second PIN foot 12
The one end of at least one is portion of terminal 50, in the present embodiment, as shown in Figure 1, one end of two PIN foot is portion of terminal 50,
That is two PIN foot are all fixed the first PIN foot 11 and the second PIN foot 12 on the substrate 10, by the first PIN by fixed jaw
Portion of terminal 50 is set on foot 11 and the second PIN foot 12, substrate 10 is clamped in portion of terminal 50 by least two fixed jaws, makes it
It is connected firmly, it is not easily to fall off after filament assembling, improve the reliability of LED filament.
Preferably, the other end of first PIN foot 11 is first electrode portion 61 for connecting wire, described second
The other end of PIN foot 12 is the second electrode portion 62 for connecting wire, first PIN foot, 11 and second PIN foot 12 difference
It is connect with conducting wire by first electrode portion 61 and second electrode portion 62, realizes the input of alternating current, normally to light LED chip list
Member 20.
Further, it for the ease of distinguishing the polarity of LED filament, is also set up in first electrode portion 61 or second electrode portion 62
It is useful for the polar identification hole 70 of mark lamp silk, in the present embodiment, the identification hole 70 is located at the first electrode of the first PIN foot 11
In portion 61, it is used for the cathode of identification LEDs filament, prevents positive and negative anodes from obscuring, as shown in Figure 1.
The utility model correspondingly provides a kind of LED bulb for exempting driving power, the driving power of exempting
LED bulb uses LED filament as described above.Since the LED filament being described in detail above, do not make herein in detail
It states.
In conclusion LED filament provided by the utility model and can exempt in the LED bulb of driving power, the LED light
Silk includes substrate, the first PIN foot, the second PIN foot and several gold threads, and LED core blade unit is provided in the middle part of the substrate, described
First PIN foot is located at one end of substrate, and by gold thread and is arranged in first chipset of substrate one end and the second chipset electricity
Connection；Second PIN foot is located at the other end of substrate, and by gold thread and be arranged the substrate other end third chipset and
Fourth chip group is electrically connected；First chipset and third chipset are connect with the first electrode end of LED core blade unit, described
Second chipset and fourth chip group are connect with the second electrode end of LED core blade unit；Wherein, first chipset and the 4th
The electrode direction of chipset is identical as LED core blade unit, the electrode direction and LED core of second chipset and third chipset
Blade unit is opposite.By the way that several chipsets are arranged at the both ends of substrate, the unidirectional of its electrode direction and light emitting diode is utilized
On state characteristic so that no matter alternating current is positive half period or negative half-cycle energy lightening LED lamp silk, realizes and exempts driving power
LED bulb effectively reduces product cost and the complicated degree of manufacture craft, improves production efficiency.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement should all belong to appended by the utility model
Scope of the claims.
Claims (9)
1. a kind of LED filament, including substrate, the first PIN foot, the second PIN foot and several gold threads, it is provided in the middle part of the substrate
LED core blade unit, which is characterized in that first PIN foot is located at one end of substrate, and by gold thread and is arranged in substrate one end
The first chipset and the second chipset electrical connection；Second PIN foot is located at the other end of substrate, and passes through gold thread and setting
It is electrically connected in the third chipset and fourth chip group of the substrate other end；First chipset and third chipset and LED core
The first electrode end of blade unit connects, and second chipset and fourth chip group and the second electrode end of LED core blade unit connect
It connects；Wherein, the electrode direction of first chipset and fourth chip group is identical as LED core blade unit, second chipset
It is opposite with LED core blade unit with the electrode direction of third chipset.
2. LED filament according to claim 1, which is characterized in that the first conduction has been respectively coated in the both sides of the substrate
Layer and the second conductive layer, the first electrode end of first chipset, third chipset and LED core blade unit pass through gold thread and the
One conductive layer is electrically connected；The second electrode end of second chipset, fourth chip group and LED core blade unit passes through gold thread and
Two conductive layers are electrically connected.
3. LED filament according to claim 1, which is characterized in that one end of the first PIN foot and/or the second PIN foot is end
Sub-portion, the portion of terminal have at least two to be used to the first PIN foot and/or the second PIN foot being fixed on the fixed jaw on substrate,
The fixed jaw is bent upwards card from the bottom surface of substrate and is pressed on the top surface of substrate.
4. LED filament according to claim 3, which is characterized in that the other end of first PIN foot is to be led for connecting
The first electrode portion of line, the other end of second PIN foot are the second electrode portion for connecting wire.
5. LED filament according to claim 4, which is characterized in that be arranged in first electrode portion or second electrode portion useful
In the polar identification hole of mark lamp silk.
6. LED filament according to claim 1, which is characterized in that the LED core blade unit, the first chipset, the second core
Piece group, third chipset and fourth chip group include at least a LED chip.
7. LED filament according to claim 2, which is characterized in that first conductive layer and the second conductive layer are plating
Silver layer.
8. LED filament according to claim 7, which is characterized in that the thickness of the silver coating is more than or equal to 40 millimeters.
9. a kind of LED bulb for exempting driving power, which is characterized in that include as described in claim 1-8 any one
LED filament.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820136130.1U CN207893437U (en) | 2018-01-26 | 2018-01-26 | A kind of LED filament and the LED bulb that driving power can be exempted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820136130.1U CN207893437U (en) | 2018-01-26 | 2018-01-26 | A kind of LED filament and the LED bulb that driving power can be exempted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207893437U true CN207893437U (en) | 2018-09-21 |
Family
ID=63545418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820136130.1U Active CN207893437U (en) | 2018-01-26 | 2018-01-26 | A kind of LED filament and the LED bulb that driving power can be exempted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207893437U (en) |
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2018
- 2018-01-26 CN CN201820136130.1U patent/CN207893437U/en active Active
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