CN107809821A - A kind of pressure-controlled dimming driving circuit - Google Patents
A kind of pressure-controlled dimming driving circuit Download PDFInfo
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- CN107809821A CN107809821A CN201710991487.8A CN201710991487A CN107809821A CN 107809821 A CN107809821 A CN 107809821A CN 201710991487 A CN201710991487 A CN 201710991487A CN 107809821 A CN107809821 A CN 107809821A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
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Abstract
The invention discloses a kind of pressure-controlled dimming driving circuit,Including the different LED light group of at least two colour temperatures,The first voltage control formula switch module coordinated with the first LED light group and the second voltage coordinated with the second LED light group control formula switch module,First LED light group,Second LED light group is sequentially connected in series and the positive pole of the first LED light group is electrically connected with outside voltage controller power source module,First voltage control formula switch module includes the first control terminal,First input end and the first output end,Second voltage control formula switch module includes the second control terminal,Second input and the second output end,Voltage controller power source module controls first voltage to control formula switch module respectively,Second voltage controls the break-make of formula switch module,The negative pole of first LED light group is electrically connected with first input end,The negative pole of second LED light group and the second input are electrically connected with,First output end and the second output head grounding,The design controls LED light group to dim using voltage controller power source module output voltage,Toning,And circuit structure is simple,Cost is relatively low.
Description
Technical field
The present invention relates to lighting field, particularly LED dimming driving circuit.
Background technology
Traditional LED dimming driving circuits are relatively simple, such as two can only be individually controlled by control chip not
The regulation to colour temperature is realized with the flicker frequency of colour temperature LED light group, while supplies different size of current regulation brightness, tradition
Dimming driving circuit need and set control chip and corresponding drive circuit to control the flicker frequency of LED light group
System, cost is higher, and circuit structure is complicated, regulation trouble.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to provide the LED of adjustable brightness, colour temperature light modulation driving electricity
Road.
The technical solution adopted by the present invention is：
A kind of pressure-controlled dimming driving circuit, including：
The different LED light group of at least two colour temperatures, wherein at least including the first LED light group and the second LED light group, first
LED light group, the second LED light group are sequentially connected in series and the positive pole of the first LED light group is electrically connected with outside voltage controller power source module,
Voltage controller power source module output direct current is that the first LED light group and the second LED light group are powered；
The first voltage control formula switch module coordinated with the first LED light group and coordinate with the second LED light group second
Voltage type switch module, first voltage control formula switch module include the first control terminal, first input end and first
Output end, second voltage control formula switch module include the second control terminal, the second input and the second output end；
Voltage controller power source module is electrically connected with according to the defeated of voltage controller power source module with the first control terminal, the second control terminal respectively
Go out signal and control first voltage control formula switch module, the break-make of second voltage control formula switch module, the first LED light group respectively
Negative pole and first input end be electrically connected with, the negative pole of the second LED light group is electrically connected with the second input, the first output end and
Second output head grounding.
Also include the first filtration module, first filtration module electrically connects with voltage controller power source module, the first control terminal respectively
Connect.
Also include the second filtration module, second filtration module electrically connects with voltage controller power source module, the second control terminal respectively
Connect.
First voltage control formula switch module includes metal-oxide-semiconductor Q1, resistance R1, the first galvanostat and for coordinating the
One galvanostat sets the first referrer module of cutoff；
The positive pole with the first LED light group, the second control terminal are electrically connected with respectively for resistance R1 one end；
The grid with metal-oxide-semiconductor Q1, resistance R2 one end are electrically connected with the resistance R1 other end respectively；
The input of first galvanostat and the negative pole of the first LED light group are electrically connected with；
One end of the output end of first galvanostat and the first referrer module is electrically connected with；
Metal-oxide-semiconductor Q1 drain electrode is electrically connected with the other end of the first referrer module；
Metal-oxide-semiconductor Q1 source ground.
Second voltage control formula switch module includes metal-oxide-semiconductor Q2, resistance R7, the second galvanostat and for coordinating the
Two galvanostats set the second referrer module of cutoff；
The positive pole with the first LED light group, resistance R1 one end are electrically connected with respectively for resistance R7 one end；
The resistance R7 other end is electrically connected with metal-oxide-semiconductor Q2 grid respectively；
The input of second galvanostat and the negative pole of the second LED light group are electrically connected with；
One end of the output end of second galvanostat and the second referrer module is electrically connected with；
Metal-oxide-semiconductor Q2 drain electrode is electrically connected with the other end of the second referrer module；
One end of metal-oxide-semiconductor Q2 source electrode and the first referrer module is electrically connected with.
Also include fictitious load module, the positive pole electric connection of the positive pole of fictitious load module and the first LED light group, fictitious load mould
The negative pole ground connection of block.
The fictitious load module includes the 3rd galvanostat and the 3rd ginseng for coordinating the 3rd galvanostat setting cutoff
Module is examined, the input of the 3rd galvanostat and the positive pole of the first LED light group are electrically connected with, the output end difference of the 3rd galvanostat
The source electrode of one end, metal-oxide-semiconductor Q1 with the 3rd referrer module is electrically connected with, the other end ground connection of the 3rd referrer module.
First LED light group is made up of the LED luminescence chips of at least one identical colour temperature or by least two difference
The LED luminescence chips of colour temperature are in series.
Second LED light group is made up of the LED luminescence chips of at least one identical colour temperature or by least two difference
The LED luminescence chips of colour temperature are in series.
Beneficial effects of the present invention：
Dimming driving circuit of the present invention, voltage controller power source module output voltage is powered for LED light group, and user can pass through
Voltage controller power source module adjusts the size of voltage, and voltage gradually rises regulation by low level, and first voltage control formula switch module is electric
Triggering and conducting is pressed, the first LED light group is lighted, shows the illumination effect of the first LED light group colour temperature, and continue to raise in voltage
During, flowing through the electric current of the first LED light group also can gradually increase, and play the regulation to brightness, treat that voltage is increased to necessarily
During degree, second voltage control formula switch module also can be turned on correspondingly by voltage triggered, light the second LED light group, and now the
One LED light group lights jointly with the second LED light group, and the illumination effect presented is the first LED light group colour temperature, the second LED
The combination of group colour temperature, the first LED light group and the second LED light group are series connection, continue to lift up voltage, it is possible to flowing through first
LED light group, the electric current of the second LED light group are adjusted, and then adjust the brightness of the first LED light group, the second LED light group, originally set
Meter is realized using the size of voltage controller power source module output voltage to control LED light group light modulation, toning, and circuit structure letter
Single, cost is relatively low.
The voltage type switch module of the design uses metal-oxide-semiconductor, metal-oxide-semiconductor and this kind of current control formula switch portion of triode
Part is compared, and in the on-state, conducting resistance is small, and raster data model does not need electric current, and loss is small, the circuit of driving metal-oxide-semiconductor conducting
Also it is simpler.
Meanwhile the first galvanostat is provided with first voltage control formula switch module, second voltage control formula switch module
In be also equipped with the second galvanostat, the first galvanostat, the second galvanostat are defined to electric current, when electric current is excessive, galvanostat
Detect that the terminal voltage of referrer module is excessive, galvanostat will end, and prevent from burning out LED light group, LED light group is protected.
Brief description of the drawings
The embodiment of the present invention is described further below in conjunction with the accompanying drawings.
Fig. 1 is the circuit diagram of dimming driving circuit of the present invention.
Embodiment
As shown in figure 1, dimming driving circuit of the present invention, including the LED light group that at least two colour temperatures are different, wherein the design
It is preferred that LED light group has two groups, respectively the first LED light group 1 and the second LED light group 2, the design also include and the first LED light group 1
The first voltage control formula switch module 3 of cooperation and the second voltage control formula switch module 4 coordinated with the second LED light group 2,
The different LED light group of colour temperature can be two groups, can also be three groups, four groups or more herein, correspondingly, the number of switch module
Amount with LED light group match, while first LED light group 1 be made up of the LED luminescence chips of at least one identical colour temperature or by
The LED luminescence chips of at least two different-colours are in series, second LED light group 2 by least one identical colour temperature LED
Luminescence chip is formed or is in series by the LED luminescence chips of at least two different-colours, in the preferred embodiment of the design
In, the first LED light group 1 is in series by the LED luminous components that some colour temperatures are 2000K, and the second LED light group 2 is by several
Colour temperature is respectively that 2700K and 3500K LED luminous components are in series, and specific color temperature value is not defined herein.
First LED light group 1, the second LED light group 2 are sequentially connected in series and the positive pole of the first LED light group 1 and outside pressure regulation electricity
Source module 5 is electrically connected with, and the voltage controller power source module 5 output direct current is that the first LED light group 1 and the second LED light group 2 are powered, and first
Voltage type switch module 3 includes the first control terminal, first input end and the first output end, and second voltage control formula is opened
Closing module 4 includes the second control terminal, the second input and the second output end, voltage controller power source module 5 respectively with the first control terminal,
Second control terminal is electrically connected with to control first voltage control formula switch module 3, second voltage to control formula switch module 4 respectively
Break-make, negative pole and the first input end of the first LED light group 1 are electrically connected with, the negative pole of the second LED light group 2 and the second input electricity
Property connection, the first output end and the second output head grounding.
What voltage controller power source module 5 herein can be connected by controllable dimming device 51 and with controllable dimming device 51 adjustable presses off
Powered-down source 52 is formed, and the input of pressure-adjustable Switching Power Supply 52 is connected with L, N pole of exchange respectively, output end connection LED light group
And first voltage control formula switch module 3, second voltage control formula switch module 4 export the running of DC powered LED light group,
User can adjust the output voltage of pressure-adjustable Switching Power Supply 52 by controllable dimming device.
The output voltage of voltage controller power source module 5 is powered for LED light group, and user can be adjusted by voltage controller power source module 5
The size of voltage, voltage gradually rise regulation by low level, and first voltage control formula switch module 3 is triggered conducting, lights first
LED light group 1, the illumination effect of the colour temperature of the first LED light group 1 is showed, and during voltage continuation is elevated, flow through first
The electric current of LED light group 1 also can gradually increase, and play the regulation to brightness, when voltage raises to a certain extent, second voltage control
Standard switch module 4 also can correspondingly be triggered conducting, light the second LED light group 2, now the first LED light group 1 and the 2nd LED
Lamp group 2 lights jointly, and the illumination effect presented is the combination of the colour temperature of the first LED light group 1, the colour temperature of the second LED light group 2, the
One LED light group 1 and the second LED light group 2 are series connection, continue to lift up voltage, it is possible to electric current is adjusted, and then adjusted
The brightness of first LED light group 1, the second LED light group 2, the design are realized with the size of the output voltage of voltage controller power source module 5 to control
LED light group processed dims, toning, and circuit structure is simple, and cost is relatively low.
The voltage type switch module of the design uses metal-oxide-semiconductor, metal-oxide-semiconductor and this kind of current control formula switch portion of triode
Part is compared, and in the on-state, conducting resistance is small, and raster data model does not need electric current, and loss is small, the circuit of driving metal-oxide-semiconductor conducting
Also it is simpler.
Meanwhile the design also include the first filtration module 61, the second filtration module 62, first filtration module 61 respectively with
Voltage controller power source module 5, the first control terminal are electrically connected with, and second filtration module 62 controls with voltage controller power source module 5, second respectively
End is electrically connected with, and the first filtration module 61 and the second filtration module 62 can to trigger first voltage control formula switch module
3rd, the signal of second voltage control formula switch module 4 is smoothened, reduces interference, and the first filtration module 61, second filters herein
Module 62 can use capacitance-resistance filter, and preferably remove concussion interference according to the quantity for being actually needed more capacitance-resistance.
First voltage control formula switch module 3 includes metal-oxide-semiconductor Q1, resistance R1, the first galvanostat 71 and for coordinating the
One galvanostat 71 sets the first referrer module 72 of cutoff；
The positive pole with the first LED light group 1, the second control terminal are electrically connected with respectively for resistance R1 one end；
The grid with metal-oxide-semiconductor Q1, resistance R2 one end are electrically connected with the resistance R1 other end respectively；
The input of first galvanostat 71 and the negative pole of the first LED light group 1 are electrically connected with；
One end of the output end of first galvanostat 71 and the first referrer module 72 is electrically connected with；
Metal-oxide-semiconductor Q1 drain electrode is electrically connected with the other end of the first referrer module 72；
Metal-oxide-semiconductor Q1 source ground.
Second voltage control formula switch module 4 includes metal-oxide-semiconductor Q2, resistance R7, the second galvanostat 81 and for coordinating the
Two galvanostats 81 set the second referrer module 82 of cutoff；
The positive pole with the first LED light group 1, resistance R1 one end are electrically connected with respectively for resistance R7 one end；
The resistance R7 other end is electrically connected with metal-oxide-semiconductor Q2 grid respectively；
The input of second galvanostat 81 and the negative pole of the second LED light group 2 are electrically connected with；
One end of the output end of second galvanostat 81 and the second referrer module 82 is electrically connected with；
Metal-oxide-semiconductor Q2 drain electrode is electrically connected with the other end of the second referrer module 82；
One end of metal-oxide-semiconductor Q2 source electrode and the first referrer module 82 is electrically connected with.
Metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q2 are N-channel type metal-oxide-semiconductor herein, the first referrer module 72, the second referrer module 82 by
Resistor assembly is formed, current flowing resistance component, the terminal voltage of galvanostat detection resistance component, is realized and is cut when more than threshold value
Only.
This dimming driving circuit user can adjust the output voltage of pressure-adjustable Switching Power Supply 52, factory by controllable dimming device 51
Resistance of the family by setting resistance R1, resistance R7 when voltage is in low level, is not enough to touch come the conduction threshold of configuration switch module
Second voltage control formula switch module 4 is sent out, first voltage control formula switch module 3 can only be triggered and turned on, now only the first LED
Lamp group 1 is lighted, when voltage gradually rises, when second voltage control formula switch module 4 is also switched on, then and the first LED light group 1, second
LED light group 2 is lighted, and because the second LED light group 2 is different from the colour temperature of the first LED light group 1, then can be changed initially by the first LED
The luminous colour temperature of lamp group 1.
Meanwhile the first galvanostat 71 is provided with first voltage control formula switch module 3, second voltage control formula switching molding
The second galvanostat 81 is also equipped with block 4, the first galvanostat 71, the second galvanostat 81 are defined to electric current, when electric current mistake
Greatly, galvanostat detects that the terminal voltage of referrer module is excessive, and galvanostat will end, and prevents from burning out LED light group, to LED light group
Protected, while when this is in voltage and gradually risen, first voltage control formula switch module 3, second voltage control formula switch
Module 4 is opened successively according to triggering regulation, the also corresponding conducting of the first galvanostat 71, the second galvanostat 81, the first LED light group 3, the
Two LED light groups 4 are parallel connection, if voltage continues to raise, electric current is increased to certain value, because metal-oxide-semiconductor Q2 source electrode is
It is connected to one end of the first referrer module 72, the terminal voltage rise of the first referrer module 72, the first galvanostat 71 ends, then and first
LED light group 1, the second LED light group 2 will be in series connection, prevent that the electric current for flowing through LED light group is excessive and damages LED light group.
In addition, the design also includes the positive pole electricity of fictitious load module 9, the positive pole of fictitious load module 9 and the first LED light group 1
Property connection, the negative pole ground connection of fictitious load module 9, the fictitious load module 9 of the design includes the 3rd galvanostat 91 and for coordinating
3rd referrer module 92 of the 3rd galvanostat 91 setting cutoff, the input of the 3rd galvanostat 91 and the first LED light group 1
Positive pole is electrically connected with, and one end with the 3rd referrer module 92, metal-oxide-semiconductor Q1 source electrode are electrical respectively for the output end of the 3rd galvanostat 91
Connection, the other end ground connection of the 3rd referrer module 92, the 3rd referrer module 92 can be equally made up of resistor assembly.
Voltage is adjusted by starting stage, user, and voltage gradually rises, and pressure-adjustable Switching Power Supply 52 is the first LED
The 1, second LED light group 2 of group is powered, and the LED light group 1 of fictitious load module 9 and first, the second LED light group 2 are parallel relationship, are played point
Stream acts on so that and when voltage is relatively low, the first LED light group 1 can be operated steadily, and the first LED light group 1 is protected, meanwhile,
Metal-oxide-semiconductor Q1 source electrode, second voltage control the source electrode of metal-oxide-semiconductor Q2 in formula switch module 4 in first voltage control formula switch module 3
The electric current of outflow finally needs to flow to one end of the 3rd referrer module 92, and is grounded again after the 3rd referrer module 92, when
Voltage is gradually increased to a high position, flows through the first LED light group 1, the electric current of the second LED light group 2 gradually rises, and electric current flows to the 3rd ginseng
Examine after module 92 so that the 3rd galvanostat 91 detects the terminal voltage rise of the 3rd referrer module 92, terminal voltage is increased to certain journey
Degree will cause the 3rd galvanostat 91 to end, and now electric current can be grounded again directly through the first LED light group 1, the second LED light group 2,
So as to expand adjustable scope.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to above-mentioned embodiment, as long as with
Essentially identical means realize that the technical scheme of the object of the invention is belonged within protection scope of the present invention.
Claims (9)
- A kind of 1. pressure-controlled dimming driving circuit, it is characterised in that including：The different LED light group of at least two colour temperatures, wherein at least including the first LED light group and the second LED light group, the first LED Group, the second LED light group are sequentially connected in series and the positive pole of the first LED light group is electrically connected with outside voltage controller power source module, the tune Piezoelectricity source module output direct current is that the first LED light group and the second LED light group are powered；The first voltage control formula switch module coordinated with the first LED light group and the second voltage coordinated with the second LED light group Control formula switch module, first voltage control formula switch module include the first control terminal, first input end and the first output End, second voltage control formula switch module include the second control terminal, the second input and the second output end；Voltage controller power source module is electrically connected with the first control terminal, the second control terminal to be believed according to the output of voltage controller power source module respectively Control first voltage control formula switch module, the break-make of second voltage control formula switch module number respectively, the first LED light group it is negative Pole is electrically connected with first input end, and the negative pole of the second LED light group and the second input are electrically connected with, the first output end and second Output head grounding.
- A kind of 2. pressure-controlled dimming driving circuit according to claim 1, it is characterised in that：Also include the first filtering mould Block, first filtration module are electrically connected with voltage controller power source module, the first control terminal respectively.
- A kind of 3. pressure-controlled dimming driving circuit according to claim 1, it is characterised in that：Also include the second filtering mould Block, second filtration module are electrically connected with voltage controller power source module, the second control terminal respectively.
- A kind of 4. pressure-controlled dimming driving circuit according to claim 1, it is characterised in that：The first voltage controls formula Switch module includes metal-oxide-semiconductor Q1, resistance R1, the first galvanostat and the first ginseng for coordinating the first galvanostat setting cutoff Examine module；The positive pole with the first LED light group, the second control terminal are electrically connected with respectively for resistance R1 one end；The grid with metal-oxide-semiconductor Q1, resistance R2 one end are electrically connected with the resistance R1 other end respectively；The input of first galvanostat and the negative pole of the first LED light group are electrically connected with；One end of the output end of first galvanostat and the first referrer module is electrically connected with；Metal-oxide-semiconductor Q1 drain electrode is electrically connected with the other end of the first referrer module；Metal-oxide-semiconductor Q1 source ground.
- A kind of 5. pressure-controlled dimming driving circuit according to claim 4, it is characterised in that：The second voltage controls formula Switch module includes metal-oxide-semiconductor Q2, resistance R7, the second galvanostat and the second ginseng for coordinating the second galvanostat setting cutoff Examine module；The positive pole with the first LED light group, resistance R1 one end are electrically connected with respectively for resistance R7 one end；The resistance R7 other end is electrically connected with metal-oxide-semiconductor Q2 grid respectively；The input of second galvanostat and the negative pole of the second LED light group are electrically connected with；One end of the output end of second galvanostat and the second referrer module is electrically connected with；Metal-oxide-semiconductor Q2 drain electrode is electrically connected with the other end of the second referrer module；One end of metal-oxide-semiconductor Q2 source electrode and the first referrer module is electrically connected with.
- A kind of 6. pressure-controlled dimming driving circuit according to claim 5, it is characterised in that：Also include fictitious load module, The positive pole of fictitious load module and the positive pole of the first LED light group are electrically connected with, the negative pole ground connection of fictitious load module.
- A kind of 7. pressure-controlled dimming driving circuit according to claim 6, it is characterised in that：The fictitious load module includes 3rd galvanostat and the 3rd referrer module for coordinating the 3rd galvanostat setting cutoff, the input of the 3rd galvanostat It is electrically connected with the positive pole of the first LED light group, the output end of the 3rd galvanostat one end with the 3rd referrer module, metal-oxide-semiconductor respectively Q1 source electrode is electrically connected with, the other end ground connection of the 3rd referrer module.
- A kind of 8. pressure-controlled dimming driving circuit according to claim 1, it is characterised in that：First LED light group by The LED luminescence chips composition of at least one identical colour temperature is in series by the LED luminescence chips of at least two different-colours.
- A kind of 9. pressure-controlled dimming driving circuit according to claim 1, it is characterised in that：Second LED light group by The LED luminescence chips composition of at least one identical colour temperature is in series by the LED luminescence chips of at least two different-colours.
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| CN201710991487.8A CN107809821B (en) | 2017-10-23 | 2017-10-23 | A kind of pressure-controlled dimming driving circuit |
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|---|---|---|---|
| CN201710991487.8A CN107809821B (en) | 2017-10-23 | 2017-10-23 | A kind of pressure-controlled dimming driving circuit |
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| CN107809821A true CN107809821A (en) | 2018-03-16 |
| CN107809821B CN107809821B (en) | 2019-07-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109147704A (en) * | 2018-09-28 | 2019-01-04 | 合肥鑫晟光电科技有限公司 | Shift register cell, gate driving circuit, display device and driving method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102892238A (en) * | 2012-10-30 | 2013-01-23 | 四川新力光源股份有限公司 | Dimming drive circuit of AC (Alternating Current) direct drive LED module |
| CN203896552U (en) * | 2014-03-26 | 2014-10-22 | 葳天科技股份有限公司 | Light-adjustable alternating current light-emitting diode device |
| US8907576B2 (en) * | 2013-01-28 | 2014-12-09 | Lumenetix, Inc. | Linear bypass electrical circuit for driving LED strings |
| CN204634098U (en) * | 2015-04-28 | 2015-09-09 | 山东科明光电科技有限公司 | A kind of colour temperature segmented adjustment LED |
| CN106937443A (en) * | 2017-03-22 | 2017-07-07 | 佛山市旺科电子科技有限公司 | Light modulation toning controller and its method based on input voltage control |
| CN107079564A (en) * | 2014-09-12 | 2017-08-18 | 西铁城电子株式会社 | Led drive circuit |
-
2017
- 2017-10-23 CN CN201710991487.8A patent/CN107809821B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102892238A (en) * | 2012-10-30 | 2013-01-23 | 四川新力光源股份有限公司 | Dimming drive circuit of AC (Alternating Current) direct drive LED module |
| US8907576B2 (en) * | 2013-01-28 | 2014-12-09 | Lumenetix, Inc. | Linear bypass electrical circuit for driving LED strings |
| CN203896552U (en) * | 2014-03-26 | 2014-10-22 | 葳天科技股份有限公司 | Light-adjustable alternating current light-emitting diode device |
| CN107079564A (en) * | 2014-09-12 | 2017-08-18 | 西铁城电子株式会社 | Led drive circuit |
| CN204634098U (en) * | 2015-04-28 | 2015-09-09 | 山东科明光电科技有限公司 | A kind of colour temperature segmented adjustment LED |
| CN106937443A (en) * | 2017-03-22 | 2017-07-07 | 佛山市旺科电子科技有限公司 | Light modulation toning controller and its method based on input voltage control |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109147704A (en) * | 2018-09-28 | 2019-01-04 | 合肥鑫晟光电科技有限公司 | Shift register cell, gate driving circuit, display device and driving method |
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| CN107809821B (en) | 2019-07-02 |
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Effective date of registration: 20190813 Address after: 225000 No. 101 Huayang West Road, Yangzhou City, Jiangsu Province Patentee after: Yangzhou Edison Opto Co., Ltd. Address before: 523460 B16, Xicheng District, Hengli Town, Dongguan City, Guangdong Province Patentee before: Dongguan Da Vince photoelectric Co., Ltd. |
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