CN209120514U - LED filament, LED light bar and LED light - Google Patents
LED filament, LED light bar and LED light Download PDFInfo
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- CN209120514U CN209120514U CN201821448187.1U CN201821448187U CN209120514U CN 209120514 U CN209120514 U CN 209120514U CN 201821448187 U CN201821448187 U CN 201821448187U CN 209120514 U CN209120514 U CN 209120514U
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- adjusting component
- led filament
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Abstract
The utility model discloses a kind of LED filament, LED light bar and LED light.The LED filament includes the first LED die and adjusting component；It adjusts component and the first LED die is arranged in series on same current loop；It adjusts component to be configured as: when LED filament powers on, with the variation of the output electric current of power supply, changing the forward voltage drop of current loop.LED filament, LED light bar and LED light provided by the utility model, the first LED die and adjusting component are series at same current loop.Component is adjusted by setting, when LED filament powers on, with the gradually increasing of the output electric current of power supply, the forward voltage drop of current loop can be made to gradually rise.Due to being provided with adjusting component, the electric current of current loop can be limited, it can be made to be no more than the electric current limited.LED filament includes concatenated first LED die and adjusting component.Component is adjusted by setting, the maximum current for flowing through LED filament is can control, achievees the purpose that filament from constant current.
Description
Technical field
The utility model relates to a kind of LED filament, LED light bar and LED light.
Background technique
With the development of society, people increasingly pursue energy-efficient lighting method, thus the technology of LED light is increasingly
It is taken seriously, application is also increasingly wider.
LED die is typically only encapsulated on the substrate of LED filament in the LED filament bulb housing of existing lighting area, then
It is lighted using driving power.
Utility model content
The purpose of this utility model first is that in order to overcome it is in the prior art at least one is insufficient, provide it is a kind of realize from
LED filament, LED light bar and the LED light of constant current.
To realize the utility model aim, the utility model is achieved through the following technical solutions:
It is according to the present utility model in a first aspect, providing a kind of LED filament.The LED filament includes the first LED die
With adjusting component；The adjusting component and first LED die are arranged in series on same current loop；The adjusting
Component is configured as: when the LED filament powers on, with the variation of the output electric current of power supply, returning the electric current
The forward voltage drop on road changes.
Optionally, the adjusting component includes IC chip.
Optionally, the adjusting component includes semiconductor constant current device.
Optionally, the semiconductor constant current device is current regulator diode.
Optionally, the semiconductor constant current device is zener diode.
Optionally, the adjusting component includes resistance element.
Optionally, the resistance element is resistance, capacitor and/or inductance.
Optionally, the number for adjusting component is one or more；The multiple series, parallel of the adjusting component
Or it is series-parallel, it is then whole to be arranged in series again with first LED die.
Optionally, the number of first LED die is one or more；The multiple first LED die series connection is set
It sets and is arranged in series with the adjusting component.
Optionally, the adjusting component is configured as: when the LED filament powers on, with the output of power supply
The increase of electric current increases the forward voltage drop of the current loop.
Second aspect according to the present utility model provides a kind of LED light bar.The LED light bar include power supply and one or
A plurality of lamp bar, the lamp bar include:
Substrate is provided with circuitous pattern on the substrate, and the circuitous pattern is for conduction；
Above-mentioned LED filament, LED filament described in each at least partly encapsulate on a substrate wherein；It is described
First LED die and the adjusting component are electrically connected in series by the circuitous pattern.
Optionally, the substrate is ceramic substrate, glass substrate, sapphire substrate, metal substrate or graphene substrate.
Optionally, further includes: blister, the lamp bar are enclosed in the blister by sealing bubble technique.
The third aspect according to the present utility model provides a kind of LED light.The LED light includes two or more above-mentioned LED
Filament, described two or more LED filament polarity are arranged in parallel on the contrary.
Optionally, the LED filament number is even number, and opposite polarity filament number is equal.
Optionally, further include substrate, circuitous pattern is provided on the substrate, the circuitous pattern is for conduction；Every
The filament is set on the substrate, and is connected by the circuitous pattern, forms lamp bar.
Optionally, the substrate is ceramic substrate, glass substrate, sapphire substrate, metal substrate or graphene substrate.
Optionally, further includes: blister, the lamp bar are enclosed in the blister by sealing bubble technique.
Compared with prior art, LED filament provided by the utility model, the first LED die and adjusting component are series at
Same current loop.By setting adjust component, when LED filament powers on, with power supply output electric current gradually
It increases, the forward voltage drop of current loop can be made to gradually rise.
Due to being provided with adjusting component, the electric current of current loop can be limited, it can be made to be no more than the electric current limited.With it is existing
There is technology to compare, LED filament provided by the utility model, LED filament includes concatenated first LED die and adjusting component.
Component is adjusted by setting, the maximum current for flowing through LED filament is can control, achievees the purpose that filament from constant current.
LED light provided by the utility model, two groups of opposite polarity filament loops are in parallel, then access alternating current
That realizes filament lamp goes power supply function, avoids and installs driving power in lamp cap, greatly simplifies production technology, reduces
Production cost and product defect rate.
By the detailed description referring to the drawings to the exemplary embodiment of the utility model, the utility model it is other
Feature and its advantage will become apparent.
Detailed description of the invention
Fig. 1 is the LED lamp structure schematic diagram that the utility model embodiment 1 provides.
Fig. 2 is the lamp bar structural schematic diagram that the utility model embodiment 1 provides.
Fig. 3 is the LED lamp circuit structural schematic diagram that the utility model embodiment 1 provides.
Fig. 4 is another LED lamp circuit structural schematic diagram that the utility model embodiment 2 provides.
Another LED lamp circuit structural schematic diagram that Fig. 5 the utility model embodiment 3 provides.
Another LED lamp circuit structural schematic diagram that Fig. 6 the utility model embodiment 4 provides.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawing:
Embodiment 1:
It please refers to Fig.1 to Fig.3, is a kind of LED light 100 provided by the utility model.It includes blister 101, blister 101
Surround a cavity 110.Six lamp bars 120 are provided in cavity 110.Six lamp bars 120 pass through conductor parallel connection.As shown in Fig. 2, this
Lamp bar 120 in utility model, structure include encapsulating shell 1201, and substrate 123 and filament loop are packaged in encapsulating shell 1201
10.Filament loop 10 is arranged on substrate 123, is supported by substrate 123, and conductive.Substrate 123 be ceramic substrate, glass substrate,
Sapphire substrate, metal substrate or graphene substrate etc..It can select to determine according to specifically used scene.Such as Fig. 2 and Fig. 3 institute
Show, each filament loop 10 includes multiple LED dies 121 and adjusting component 122.Multiple LED dies 121 and adjusting member
Device 122 is arranged in series by conductor 124.124 end of conductor is connected with terminal 125.Terminal 125 is used for and external power supply electricity
Source electrical connection, to power for LED die 121 and adjusting component 122.The adjusting component 122 can be IC chip,
Semiconductor constant current device or resistance element.For example, the semiconductor constant current device can be current regulator diode, zener diode
Or constant current triode etc..For example, the resistance element can be resistance, capacitor and/or inductance etc..Example as shown in Figure 2
In, adjusting component 122 is IC chip.The filament loop 10 is for accessing AC power source 30, the output electricity of AC power source 30
Stream can be arranged with gradually increasing.The output electric current that AC power source 30 starts to access the LED filament is smaller, and gradually increases.
Electric current is gradually increased, and can be realized with the combination of constant-current supply and rotary switch.30 constant output current of AC power source, passes through rotation
Turn being gradually increased for switch-mode regulation output electric current.By the setting for adjusting component 12, as AC power source 30 exports electricity
Stream incrementally increases, and the forward voltage drop of the current loop 10 also gradually rises.
Referring to Fig. 3, the LED light includes filament loop 10 described in six tunnels.Wherein three road filament loops 10 and another three
Road filament loop 10 is in parallel, and polarity is on the contrary, reverse parallel connection.Finally access AC power source 30.In example as shown in Figure 3,
It is anode on the left of three road filament loop 10 of top, right side is cathode；It is cathode on the left of three road filament loop 10 of lower section, right side is positive
Pole.The AC power source 30 provides output electric current for accessing the LED lamp bar 120.When the LED light bar 120 starts to connect
When leading to the AC power source 30, two kinds of polar filament loops 10 are alternately lighted, and frequency is identical as the frequency of AC power source 10, when
When the working frequency of AC power source 10 is greater than the response frequency of human eye, due to persistence of vision effect, human eye is observed
LED light is to be always on state.
Adjusting component 122 in the present embodiment can be one, be also possible to multiple series, parallel or series-parallel,
Then whole to connect again with LED die 121.LED die 121 in the present embodiment can be one, be also possible to it is multiple series connection,
It is whole again after in parallel or series-parallel combination to connect with adjusting component 122.
Embodiment 2:
Referring to Fig. 4, it is to use a kind of LED light provided by the utility model, difference from Example 1 is, LED
Lamp 100 only includes a lamp bar 120.The filament loop 10 that lamp bar 120 is arranged includes multiple LED dies 121 and adjusting component
122.The adjusting component 122 connects to form the filament loop 10 with the LED die 121.The adjusting component 122
It can be IC chip, semiconductor constant current device or resistance element.For example, the semiconductor constant current device can be two pole of constant current
Pipe, zener diode or constant current triode etc..For example, the resistance element can be resistance, capacitor or inductance etc..Such as figure
In example shown in 4, adjusting component 122 is resistance.Adjusting component 122 in the present embodiment can be one, can also be with
It is multiple series, parallel or series-parallel, it is then whole to connect again with LED die 121.LED die 121 in the present embodiment can
It is whole again after being also possible to multiple series, parallel or combining in series and parallel to connect with adjusting component 122 to be one.Remaining
Structure is identical as 1 structure of embodiment.
Embodiment 3:
It please refers to shown in Fig. 5, to use a kind of LED light provided by the utility model, difference from Example 1 exists
In LED light 100 includes two lamp bars 120.The filament loop 10 that lamp bar 120 is arranged includes multiple LED dies 121 and adjusts first
Device 122.The adjusting component 122 connects to form the filament loop 10 with the LED die 121.The first device of the adjusting
Part 122 can be IC chip, semiconductor constant current device or resistance element.For example, the semiconductor constant current device can be perseverance
Flow diode, zener diode or constant current triode etc..For example, the resistance element can be resistance, capacitor or inductance
Deng.In the example as shown in Fig. 5, adjusting component 122 is zener diode.Adjusting component 122 in the present embodiment can
To be one, it is also possible to multiple series, parallel or series-parallel, it is then whole to connect again with LED die 121.The present embodiment
In LED die 121 can be one, be also possible to after multiple series, parallel or series-parallel combination again it is whole with adjust member
Device 122 is connected.It further include overload protection device 40 in the present embodiment, 10 polarity opposite direction of filament loop described in two-way is simultaneously
Connection, then connects with overload protection device 40, and arrangement position can be specifically arranged as needed.Remaining structure and 1 knot of embodiment
Structure is identical.
Embodiment 4:
It is illustrated in figure 6 a kind of circuit diagram of LED light provided in this embodiment.It includes four lamp bars.Every lamp bar is set
It is equipped with a filament loop 10.It connects after two, left side, 10 parallel connection of filament loop with two filament loops 10 that right side is arranged in parallel
Setting, four filament loops 10 are electrically connected with AC power source 30.Overload is provided between AC power source 30 and filament loop 10 to protect
Protect device 40.Two, left side filament loop 10 is in parallel and polarity is opposite；Two, right side filament loop 10 is in parallel and polarity is opposite.
By itself circuit setting on LED filament, power supply can be obtained, save AC DC conversion power supply, keep away
Exempt from using independent AC-DC conversion electric power.
LED filament is encapsulated on substrate, and substrate is arranged in blister, achieves that power supply using existing envelope bubble technology
Change function, greatly simplifies production technology, reduce production cost and product defect rate.
The above is only the utility model preferred embodiments, are not used to the limitation protection scope of the utility model, any
Modification, equivalent replacement or improvement within the spirit of the present invention etc. are all covered in the scope of the claims of the utility model.
Claims (18)
1. a kind of LED filament, which is characterized in that including the first LED die and adjust component；The adjusting component with it is described
First LED die is arranged in series on same current loop；
The adjusting component is configured as: when the LED filament powers on, with power supply output electric current variation,
Change the forward voltage drop of the current loop.
2. LED filament according to claim 1, it is characterised in that:
The adjusting component includes IC chip.
3. LED filament according to claim 1, it is characterised in that:
The adjusting component includes semiconductor constant current device.
4. LED filament according to claim 3, it is characterised in that:
The semiconductor constant current device is current regulator diode.
5. LED filament according to claim 3, it is characterised in that:
The semiconductor constant current device is zener diode.
6. LED filament according to claim 1, it is characterised in that:
The adjusting component includes resistance element.
7. LED filament according to claim 6, it is characterised in that:
The resistance element is resistance, capacitor and/or inductance.
8. LED filament according to claim 1, it is characterised in that:
The number for adjusting component is one or more；The multiple series, parallel or series-parallel of adjusting component,
Then whole to be arranged in series again with first LED die.
9. LED filament according to claim 1, it is characterised in that:
The number of first LED die is one or more；The multiple first LED die be arranged in series and with it is described
Component is adjusted to be arranged in series.
10. LED filament according to claim 1, it is characterised in that:
The adjusting component is configured as: when the LED filament powers on, with power supply output electric current increase,
Increase the forward voltage drop of the current loop.
11. a kind of LED light bar, which is characterized in that including power supply and one or more lamp bar, the lamp bar includes:
Substrate is provided with circuitous pattern on the substrate, and the circuitous pattern is for conduction；
LED filament of any of claims 1-10, LED filament described in each at least partly encapsulate one wherein
On the substrate；First LED die and the adjusting component are electrically connected in series by the circuitous pattern.
12. LED light bar according to claim 11, it is characterised in that:
The substrate is ceramic substrate, glass substrate, sapphire substrate, metal substrate or graphene substrate.
13. LED light bar according to claim 11, which is characterized in that further include:
Blister, the lamp bar are enclosed in the blister by sealing bubble technique.
14. a kind of LED light, which is characterized in that including described in any claim in two or more claims 1 to 10
LED filament, described two or more LED filament polarity are arranged in parallel on the contrary.
15. LED light according to claim 14, which is characterized in that the LED filament number is even number, opposite polarity
Filament number is equal.
16. LED light according to claim 14, which is characterized in that further include substrate, be provided with circuit diagram on the substrate
Shape, the circuitous pattern is for conduction；Every filament is set on the substrate, and passes through the circuitous pattern string
Connection forms lamp bar.
17. LED light according to claim 16, it is characterised in that:
The substrate is ceramic substrate, glass substrate, sapphire substrate, metal substrate or graphene substrate.
18. LED light according to claim 16, which is characterized in that further include:
Blister, the lamp bar are enclosed in the blister by sealing bubble technique.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821448187.1U CN209120514U (en) | 2018-09-05 | 2018-09-05 | LED filament, LED light bar and LED light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821448187.1U CN209120514U (en) | 2018-09-05 | 2018-09-05 | LED filament, LED light bar and LED light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209120514U true CN209120514U (en) | 2019-07-16 |
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ID=67197963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821448187.1U Active CN209120514U (en) | 2018-09-05 | 2018-09-05 | LED filament, LED light bar and LED light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209120514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915541A (en) * | 2021-09-24 | 2022-01-11 | 深圳市兰谱芯科技有限公司 | Bulb and lamp string composed of same |
-
2018
- 2018-09-05 CN CN201821448187.1U patent/CN209120514U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915541A (en) * | 2021-09-24 | 2022-01-11 | 深圳市兰谱芯科技有限公司 | Bulb and lamp string composed of same |
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