CN206759769U - LED lamp and LED luminance regulation circuit - Google Patents
LED lamp and LED luminance regulation circuit Download PDFInfo
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- CN206759769U CN206759769U CN201720201820.6U CN201720201820U CN206759769U CN 206759769 U CN206759769 U CN 206759769U CN 201720201820 U CN201720201820 U CN 201720201820U CN 206759769 U CN206759769 U CN 206759769U
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Abstract
A kind of LED lamp and its regulation circuit, suitable for electronic technology field.Wherein, the regulation circuit of LED lamp, is connected between constant voltage source and LED load, and the regulation circuit includes：Dimming unit, voltage switching unit and constant current unit；Dimming unit exports the second direct current according to the first direct current that constant voltage source provides to constant current unit, so that constant current unit carries out constant current driving to LED load；When being dimmed to LED load, the voltage of the second direct current is adjusted voltage switching unit；Or the voltage of the second direct current is adjusted according to received dim signal for dimming unit；Or after the voltage of the second direct current is adjusted voltage switching unit, the voltage of the second direct current is adjusted according to received dim signal for dimming unit, the mode of regulation LED load brightness is enriched.
Description
Technical field
The utility model belongs to electronic technology field, more particularly to a kind of LED lamp and its regulation circuit.
Background technology
With the raising of people's quality, increasing people also begins to support and advocates the life style of energy-conserving and environment-protective.LED
(Light Emitting Diode, light emitting diode) is one of energy-saving lighting equipment generally acknowledged on the market at present.It is although existing
LED lamp mode can realize brilliance control to LED lamp by remote control or manually etc., but be by changing PWM
What switching signal was realized.
In summary, there is the problem of brightness adjustment approach is single in existing LED lamp.
Utility model content
The utility model embodiment provides a kind of LED lamp and its regulation circuit, it is intended to solves existing LED lamp and deposits
Brightness adjustment approach is single the problem of.
The purpose of this utility model is the regulation circuit for providing a kind of LED lamp, is connected to constant voltage source and LED load
Between, the regulation circuit includes：Dimming unit, voltage switching unit and constant current unit；
The dimming unit is straight to constant current unit output second according to the first direct current that the constant voltage source provides
Stream electricity, so that the constant current unit carries out constant current driving to the LED load；
When being dimmed to the LED load, the voltage switching unit is carried out to the voltage of second direct current
Regulation；
Or the voltage of second direct current is adjusted according to received dim signal for the dimming unit；
Or
After the voltage of second direct current is adjusted the voltage switching unit, the dimming unit is according to institute
The voltage of second direct current is adjusted the dim signal received.
Voltage switching unit another object of the present utility model is to provide a kind of LED lamp, including LED load, described
LED lamp also includes the regulation circuit of LED lamp as described above.
A kind of regulation circuit of LED lamp provided by the utility model, is connected between constant voltage source and LED load, should
Regulation circuit includes：Dimming unit, voltage switching unit and constant current unit；Dimming unit provided according to constant voltage source first
Direct current exports the second direct current to constant current unit, so that constant current unit carries out constant current driving to LED load；To LED load
When being dimmed, the voltage of the second direct current is adjusted voltage switching unit；Or dimming unit is according to received
The voltage of second direct current is adjusted dim signal；Or the voltage of the second direct current is adjusted in voltage switching unit
After section, the voltage of the second direct current is adjusted according to received dim signal for dimming unit, enriches regulation LED and bears
Carry the mode of brightness.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the regulation circuit for LED lamp that the utility model embodiment provides；
Fig. 2 is a kind of physical circuit figure of the regulation circuit for LED lamp that the utility model embodiment provides；
Fig. 3 is a kind of structural representation for LED lamp that the utility model embodiment provides.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
The utility model embodiment provides a kind of LED lamp and its regulation circuit, it is intended to solves existing LED lamp and deposits
Brightness adjustment approach is single the problem of.
Realization of the present utility model is described in detail below in conjunction with specific embodiment：
Fig. 1 shows a kind of structure of the regulation circuit of LED lamp of the utility model embodiment, for convenience of description, only
Show the part related to the utility model embodiment.
As shown in figure 1, a kind of regulation circuit 100 of LED lamp, is connected between constant voltage source 110 and LED load 120
It is connected, for adjusting the luminosity of LED load 120.The regulation circuit 100 of the LED lamp includes：Dimming unit 10, voltage
Switch unit 20 and constant current unit 30.
The Regulate signal input 11 of dimming unit 10 is used to input Regulate signal, the voltage input end of dimming unit 10 with
First output end of constant voltage source 110 is connected, the voltage input end of constant current unit 30 and the second output end phase of constant voltage source 110
Even, the signal output part of dimming unit 10 connects the signal input part of constant current unit 30 with the output end of voltage switching unit 20 altogether, permanent
Stream unit 30 the first signal output part be connected with the first end of LED load 120, the secondary signal output end of constant current unit 30 and
The end of LED load 120 second is connected.
Dimming unit 10 exports the second direct current according to the first direct current that constant voltage source 110 provides to constant current unit 30,
So that constant current unit 30 carries out constant current driving to LED load.
When being dimmed to LED load 120, the voltage of the second direct current is adjusted voltage switching unit 20；Or
The voltage of the second direct current is adjusted according to received dim signal for person's dimming unit 10；Or in voltage switching list
After the voltage of first 20 pair of second direct current is adjusted, dimming unit 10 is according to received dim signal to the second direct current
Voltage be adjusted.
It should be noted that voltage switching unit 20 can include multiple loads, selected not by voltage switching unit 20
With the load of resistance, and then the voltage of the signal output part of dimming unit 10 is reduced or raised, realize the electricity to the second direct current
Press the selection or switching of size.
It is understood that according to the difference of brightness requirement, the dim signal of selection can also be different.
The voltage input end of constant current unit 30 is connected with the second output end of constant voltage source 110, and constant voltage source 110 is to constant current
Unit 30 provides work electricity consumption of the 3rd direct current as constant current unit 30.
First signal output part of constant current unit 30 is connected with the first end of LED load 120, the secondary signal of constant current unit 30
Output end is connected with the end of LED load 120 second, wherein, the output current of constant current unit 30 is certain.
It is understood that when dimming unit 10 exports the second direct current according to the first direct current to constant current unit 30,
By voltage switching unit 20 and then change constant current unit 30 signal input part voltage, because constant current unit 30 is born to LED
The electric current for carrying 120 outputs is certain value, therefore when the voltage change of the signal input part of constant current unit 30, in order to keep constant current
The electric current that unit 30 exports to LED load 120 is constant, and the watt level of the second direct current of the input of constant current unit 30 is also with perseverance
Flow the voltage change of the signal input part of unit 30 and change, i.e., by switching the defeated of the dimming unit of voltage switching unit 20
The voltage for going out end changes, to realize the selection to the watt level of the second direct current.
When the power of the second direct current determines, change the voltage of the second direct current by connecting different Regulate signals
Size, and then the size of current of the second direct current as the voltage swing of the second direct current changes and changes, is realized to LED
The light modulation of load 120.
It should be noted that Regulate signal can include regulation voltage signal or PWM switch frequency signals, by connecting not
Same regulation voltage signal or PWM switch frequency signals, and then change the voltage swing of the second direct current, due to the second direct current
Power it has been determined that therefore by change the second direct current voltage swing, so as to change change the second direct current electric current it is big
It is small, realize the light modulation to LED load 120.
Fig. 2 shows a kind of physical circuit of the regulation circuit for LED lamp that the utility model embodiment provides.Such as Fig. 2
Shown, dimming unit 10 includes：First resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5,
One switching tube Q1, the first diode D1 and the first electric capacity C1.
First resistor R1 first end is the voltage input end of dimming unit, first resistor R1 the second end and second resistance
R2 first end connects first switch pipe Q1 hot end, second resistance R2 first end and the first diode D1 first end altogether
First switch pipe Q1 controlled end is connect altogether, first switch pipe Q1 controlled end is the Regulate signal input of dimming unit 10, the
One diode D1 the second end is connected with the 4th resistance R4 first end, the 4th resistance R4 the second end ground connection, first switch pipe
Q1 cold end is connected with 3rd resistor R3 first end, and 3rd resistor R3 the second end and the first electric capacity C1 first end are total to
The 5th resistance R5 first end is connect, the 5th resistance R5 first end is the signal output part of dimming unit 10, the first electric capacity C1's
Second end and the 5th resistance R5 the second end are grounded altogether.
It should be noted that when constant voltage source 110 provides the first direct current to dimming unit 10, the first direct current passes through
First switch pipe Q1 is flowed into after first resistor R1 and second resistance R2, then is flowed out by first switch pipe Q1 cold end, with the
Loop is formed between one switching tube Q1 controlled end.Wherein, the magnitude of voltage of the first direct current is because of first switch pipe Q1 tube voltage drop
And change, then after carrying out partial pressure by 3rd resistor R3 and the 5th resistance R5, exported by the signal output part of dimming unit 10.
Further, as shown in Fig. 2 voltage switching unit 20 includes：Multiple convert resistances (Rn, Rn+1 ... Rm) and load
Selecting switch SW1.
Load selector switch SW1 includes at least one idle end DIM and multiple load connection ends, the sky of load selector switch
Load end DIM is the output end of voltage switching unit 20, and first end and the load selection of multiple convert resistances (Rn, Rn+1 ... Rm) are opened
The multiple load connection ends for closing SW1 are respectively connected with, and the second end of multiple convert resistances (Rn, Rn+1 ... Rm) is grounded altogether.
It should be noted that because the signal output part of dimming unit 10 connects constant current altogether with the output end of voltage switching unit 20
The signal input part of unit 30, when stirring load selector switch SW1, and then select load selector switch idle end with it is multiple
Any resistance is connected in convert resistance (Rn, Rn+1 ... Rm) so that any electricity of multiple convert resistances (Rn, Rn+1 ... Rm)
Resistance forms parallel relationship with the 5th resistance R5 in dimming unit 10.
For example, the magnitude of voltage for making the first direct current is 10V, first switch pipe Q1 tube voltage drop is 0.6V, works as constant voltage source
110 to dimming unit 10 provide the first direct current when, the voltage Verf=between first switch pipe Q1 cold end and ground
10V-0.6V=9.4V.
When stirring load selector switch SW1 to idle end DIM, the electricity between first switch pipe Q1 cold end and ground
Pressure Verf obtains the second direct current after 3rd resistor R3 and the 5th resistance R5 are by partial pressure, and the voltage for making second direct current is
V1, wherein, V1=Verf × R5/ (R3+R5)；Wherein, Verf is the voltage between first switch pipe Q1 cold end and ground
Value, R5 are the 5th resistance R5 resistance value, and R3 is 3rd resistor R3 resistance value.
When stirring load selector switch SW1 to convert resistance Rn ends, between first switch pipe Q1 cold end and ground
Voltage Verf by 3rd resistor R3 and the 5th resistance R5 with the parallel network that convert resistance Rn is formed by partial pressure, obtain second
Direct current, the voltage for making second direct current are Vn, wherein, Vn=Verf × (R5//Rn)/(R3+R5//Rn)；Wherein, Verf
For the magnitude of voltage between first switch pipe Q1 cold end and ground, (R5//Rn) is that the 5th resistance R5 forms with convert resistance Rn
Parallel network resistance value, R3 be 3rd resistor R3 resistance value.
Identical, when stirring load selector switch SW1 to convert resistance Rm ends, first switch pipe Q1 cold end with
Voltage Verf between ground by 3rd resistor R3 and the 5th resistance R5 with the parallel network that convert resistance Rm is formed by partial pressure, obtain
To the second direct current, the voltage for making second direct current is Vm, wherein, Vm=Verf × (R5//Rm)/(R3+R5//Rm)；Its
In, Verf is the magnitude of voltage between first switch pipe Q1 cold end and ground, and (R5//Rm), which is that the 5th resistance R5 is same, switches electricity
The resistance value of the parallel network of Rm compositions is hindered, R3 is 3rd resistor R3 resistance value.
Further, constant current unit 30 includes：First chip U1, the first inductance L1, the second inductance L2, the 6th resistance R6,
7th resistance R7, the 8th resistance R8, the 9th resistance R9, the tenth resistance R10, the 11st resistance R11, the 12nd resistance R12, second
Electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, the 6th electric capacity C6 and the 7th electric capacity C7.
Second diode D2 first end connects the 6th resistance R6 first end altogether with the 8th resistance R8 first end, and is formed
Control source node, control source node are the voltage input end of constant current unit 30, the 6th resistance R6 the second end and the 7th electricity
The second end that resistance R7 first end meets the first chip U1 Enable Pin EN, the 7th resistance R7 altogether is grounded, and the first of the 4th electric capacity C4
End and the first chip U1 voltage input end V_IN connect the second diode D1 first end, the 4th electric capacity C4 the second termination altogether
Ground, the 8th resistance R8 the second end are connected with the second electric capacity C2 first end, the second electric capacity C2 the second end and the second diode
D2 the second end connects the negative of the first chip U1 induction end LX, the first chip U1 voltage input end V_IN and the first chip U1 altogether
The 9th resistance R9, the tenth resistance R10 and the 11st resistance R11, the 3rd electric capacity C3 are parallel between the SEN of current detecting end successively
First end and the 12nd resistance R12 first end meet the first chip U1 signal input part TM altogether, the second of the 3rd electric capacity C3
End ground connection, the 12nd resistance R12 the second end are the signal input part of constant current unit 30, the first inductance L1 first end and first
Chip U1 induction end LX is connected, the first inductance L1 the second end, the of the 5th electric capacity C5 first end and the 6th electric capacity C6
One end connects the second inductance L1 first end altogether, the first chip U1 negative current test side SEN, the 5th electric capacity C5 the second end and
6th electric capacity C6 the second end connects the second inductance L2 the second end, the 7th electric capacity C7 first end and the 3rd of the second inductance L2 altogether
End is connected, and the 7th electric capacity C7 the second end is connected with the second inductance L2 the 4th end, and the 7th electric capacity C7 first end is constant current list
First signal output part of member 30, the secondary signal output end of the 7th electric capacity C7 the second end constant current unit 30.
It should be noted that dimming unit 10 exports the second direct current according to the first direct current to constant current unit 30, pass through
12nd resistance R12 the second end is inputted to the first chip U1 signal input part TM.
Due between the first chip U1 voltage input end V_IN and the first chip U1 negative current test side SEN successively simultaneously
Be associated with the 9th resistance R9, the tenth resistance R10 and the 11st resistance R11 so that the first chip U1 voltage input end V_IN with
Pressure difference is formed between first chip U1 negative current test side SEN.
It is understood that the first chip U1 in constant current unit 30 is according to the work of the second DC powered LED load 120
During work, the second inductance L2 is used to be filtered for the signal in constant current unit 30, then the first end by the 7th electric capacity C7
Exported with the second end end to LED load 120.
As an embodiment of the present utility model, first switch pipe is IGBT pipes, triode or metal-oxide-semiconductor.
Further, as the preferred embodiment of the utility model one, first switch pipe Q1 can be NPN type triode
Q1, NPN type triode Q1 base stage be first switch pipe Q1 controlled end, NPN type triode Q1 current collection extremely first switch
Pipe Q1 hot end, NPN type triode Q1 transmitting extremely first switch pipe Q1 cold end.
Further, as another preferred embodiment of the utility model, first switch pipe Q1 can be N-type metal-oxide-semiconductor Q1,
N-type metal-oxide-semiconductor Q1 grid is first switch pipe Q1 controlled end, and N-type metal-oxide-semiconductor Q1 drain electrode is first switch pipe Q1 high potential
End, N-type metal-oxide-semiconductor Q1 source electrode are first switch pipe Q1 cold end.
The another object of the present embodiment is to provide a kind of LED lamp 200, as shown in figure 3, LED lamp 200 includes LED
Load 120, include the regulation circuit 100 of LED lamp as described above.
Due to a kind of embodiment relevant with the utility model of LED lamp provided in the present embodiment and work
Principle in the above-described embodiments and elaborates, and therefore, here is omitted.
A kind of regulation circuit of LED lamp provided by the utility model, is connected between constant voltage source and LED load, should
Regulation circuit includes：Dimming unit, voltage switching unit and constant current unit；Dimming unit provided according to constant voltage source first
Direct current exports the second direct current to constant current unit, so that constant current unit carries out constant current driving to LED load；To LED load
When being dimmed, the voltage of the second direct current is adjusted voltage switching unit；Or dimming unit is according to received
The voltage of second direct current is adjusted dim signal；Or the voltage of the second direct current is adjusted in voltage switching unit
After section, the voltage of the second direct current is adjusted according to received dim signal for dimming unit, enriches regulation LED and bears
Carry the mode of brightness.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (8)
1. a kind of LED luminance adjusts circuit, it is connected between constant voltage source and LED load, it is characterised in that the LED luminance
Regulation circuit includes：Dimming unit, voltage switching unit and constant current unit；
The Regulate signal input of the dimming unit is used to access the dim signal, the voltage input end of the dimming unit
It is connected with the first output end of the constant voltage source, the second of the voltage input end of the constant current unit and the constant voltage source is defeated
Go out end to be connected, the signal output part of the dimming unit connects the letter of the constant current unit with the voltage switching unit output end altogether
Number input, the first signal output part of the constant current unit are connected with the input of the LED load, the constant current unit
Secondary signal output end is connected with the output end of the LED load；
The dimming unit exports the second direct current according to the first direct current that the constant voltage source provides to the constant current unit,
So that the constant current unit carries out constant current driving to the LED load；
When being dimmed to the LED load, the voltage of second direct current is adjusted the voltage switching unit；
Or
The voltage of second direct current is adjusted according to received dim signal for the dimming unit；Or
After the voltage of second direct current is adjusted the voltage switching unit, the dimming unit is according to being received
To dim signal the voltage of second direct current is adjusted.
2. LED luminance as claimed in claim 1 adjusts circuit, it is characterised in that the dimming unit includes：First resistor,
Second resistance, 3rd resistor, the 4th resistance, the 5th resistance, first switch pipe, the first diode and the first electric capacity；
The first end of the first resistor be the dimming unit voltage input end, the second end of the first resistor with it is described
The first end of second resistance connects the hot end of the first switch pipe, the first end of the second resistance and the described 1st altogether
The first end of pole pipe connects the controlled end of the first switch pipe altogether, and the controlled end of the first switch pipe is the dimming unit
Regulate signal input, the second end of first diode are connected with the first end of the 4th resistance, the 4th resistance
The second end ground connection, the cold end of the first switch pipe is connected with the first end of the 3rd resistor, the 3rd resistor
The first end of the second end and first electric capacity connect the first end of the 5th resistance altogether, the first end of the 5th resistance is
The signal output part of the dimming unit, the second end of first electric capacity and the second end of the 5th resistance are grounded altogether.
3. LED luminance as claimed in claim 1 adjusts circuit, it is characterised in that the voltage switching unit includes：It is multiple to cut
Change resistance and load selector switch；
The load selector switch includes at least one idle end and multiple load connection ends, the zero load of the load selector switch
Hold and born for the voltage switching unit output end, the first end of the multiple convert resistance with the multiple of the load selector switch
Carry connection end to be respectively connected with, the second end of the multiple convert resistance is grounded altogether.
4. LED luminance as claimed in claim 1 adjusts circuit, it is characterised in that the constant current unit includes：First chip,
First inductance, the second inductance, the second diode, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance,
11 resistance, the 12nd resistance, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity and the 7th electric capacity；
The first end of second diode and the first end of the 8th resistance connect the first end of the 6th resistance, and shape altogether
Into control source node, the control source node be the constant current unit voltage input end, the second of the 6th resistance
The first end of end and the 7th resistance meets the Enable Pin of first chip, the second end ground connection of the 7th resistance, institute altogether
State the first end of the 4th electric capacity and the voltage input end of first chip and connect the first end of second diode altogether, described the
The second end ground connection of four electric capacity, the second end of the 8th resistance are connected with the first end of second electric capacity, second electricity
The second end held and the second end of second diode connect the induction end of first chip, the voltage of first chip altogether
Be parallel with successively between the negative current test side of input and first chip the 9th resistance, the tenth resistance and
11st resistance, the first end of the 3rd electric capacity connect first chip altogether with the first end of the 12nd resistance
Signal input part, the second end ground connection of the 3rd electric capacity, the second end of the 12nd resistance is the letter of the constant current unit
Number input, the first end of first inductance are connected with the induction end of first chip, the second end of first inductance,
The first end of 5th electric capacity and the first end of the 6th electric capacity connect the first end of second inductance altogether, and described first
Second end of the negative current test side of chip, the second end of the 5th electric capacity and the 6th electric capacity connects second electricity altogether
Second end of sense, the first end of the 7th electric capacity are connected with the 3rd end of second inductance, and the second of the 7th electric capacity
End is connected with the 4th end of second inductance, and the first end of the 7th electric capacity is the first signal output of the constant current unit
End, the secondary signal output end of constant current unit described in the second end of the 7th electric capacity.
5. LED luminance as claimed in claim 2 adjusts circuit, it is characterised in that the first switch pipe is IGBT pipes, three poles
Pipe or metal-oxide-semiconductor.
6. LED luminance as claimed in claim 5 adjusts circuit, it is characterised in that the first switch pipe is the pole of NPN type three
Pipe, the base stage of the NPN type triode are the controlled end of the first switch pipe, the current collection extremely institute of the NPN type triode
State the hot end of first switch pipe, the cold end of the extremely described first switch pipe of transmitting of the NPN type triode.
7. LED luminance as claimed in claim 5 adjusts circuit, it is characterised in that the first switch pipe is N-type metal-oxide-semiconductor, institute
The grid for stating N-type metal-oxide-semiconductor is the controlled end of the first switch pipe, and the drain electrode of the N-type metal-oxide-semiconductor is the first switch pipe
Hot end, the source electrode of the N-type metal-oxide-semiconductor are the cold end of the first switch pipe.
8. a kind of LED lamp, including constant voltage source and LED load, it is characterised in that the LED lamp also includes right such as will
The LED luminance described in 1 to 7 any one is asked to adjust circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720201820.6U CN206759769U (en) | 2017-03-02 | 2017-03-02 | LED lamp and LED luminance regulation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720201820.6U CN206759769U (en) | 2017-03-02 | 2017-03-02 | LED lamp and LED luminance regulation circuit |
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| Publication Number | Publication Date |
|---|---|
| CN206759769U true CN206759769U (en) | 2017-12-15 |
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ID=60609621
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720201820.6U Active CN206759769U (en) | 2017-03-02 | 2017-03-02 | LED lamp and LED luminance regulation circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107006094A (en) * | 2017-03-02 | 2017-08-01 | 深圳市豪恩光电照明股份有限公司 | LED lamp and LED luminance regulation circuit |
| CN110351930A (en) * | 2019-07-24 | 2019-10-18 | 广东德洛斯照明工业有限公司 | A kind of brightness control system and method for lamps and lanterns |
-
2017
- 2017-03-02 CN CN201720201820.6U patent/CN206759769U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107006094A (en) * | 2017-03-02 | 2017-08-01 | 深圳市豪恩光电照明股份有限公司 | LED lamp and LED luminance regulation circuit |
| CN110351930A (en) * | 2019-07-24 | 2019-10-18 | 广东德洛斯照明工业有限公司 | A kind of brightness control system and method for lamps and lanterns |
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| CB03 | Change of inventor or designer information |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Longhua New District, Shenzhen, Guangdong, Da wave Street Da wave office, Tong Sheng Industrial Park Road, Horne Science Park, building A two floor, C area, middle and southern section of B District Patentee after: Shenzhen haoen intelligent joint Limited by Share Ltd Address before: 518000 Longhua New District, Shenzhen, Guangdong, Da wave Street Da wave office, Tong Sheng Industrial Park Road, Horne Science Park, building A two floor, C area, middle and southern section of B District Patentee before: SHENZHEN HORN PHOTOELECTRIC LIGHTING CO., LTD. |