CN115397080A - RGBW lamp panel control circuit and lighting equipment - Google Patents
RGBW lamp panel control circuit and lighting equipment Download PDFInfo
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- CN115397080A CN115397080A CN202211021224.1A CN202211021224A CN115397080A CN 115397080 A CN115397080 A CN 115397080A CN 202211021224 A CN202211021224 A CN 202211021224A CN 115397080 A CN115397080 A CN 115397080A
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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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/185—Controlling the light source by remote control via power line carrier transmission
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Abstract
The invention discloses an RGBW lamp panel control circuit and lighting equipment, the RGBW lamp panel control circuit includes: the lamp panel adjusting device comprises a main control circuit, a lamp panel adjusting trigger signal generating circuit and a lamp panel adjusting trigger signal generating circuit, wherein the main control circuit is used for outputting a corresponding lamp lighting control signal when receiving the lamp panel adjusting trigger signal; one end of the power line is connected with the output end of the main control circuit; the lamp panel driving circuit is connected with the other end of the power line through the input end of the lamp panel driving circuit, and the lamp panel driving circuit is in carrier communication connection with the main control circuit through the power line so as to receive a lighting control signal output by the main control circuit through the power line; the output end of the lamp panel driving circuit is connected with the lamp panel, and the lamp panel driving circuit is used for driving the lamp panel to work when receiving the lighting control signal. The technical scheme of the invention aims to simplify the structure of the RGBW lamp panel control circuit and reduce the production cost.
Description
Technical Field
The invention relates to the field of illumination, in particular to an RGBW lamp panel control circuit and illumination equipment.
Background
Most of control panels and lamp panels of the existing RGBW lamps are connected through power lines, communication lines and ground wires, or more connection wires exist, the circuit structure is complex, and the production cost is high.
Disclosure of Invention
The invention mainly aims to provide an RGBW lamp panel control circuit and lighting equipment, aiming at enabling the RGBW lamp panel control circuit to be simpler in structure and lower in production cost.
In order to achieve the above object, the RGBW lamp panel control circuit provided by the present invention comprises:
the lamp panel adjusting device comprises a main control circuit, a lamp adjusting trigger signal generating circuit and a lamp adjusting trigger signal generating circuit, wherein the main control circuit is used for outputting a corresponding lamp lighting control signal when receiving the lamp panel adjusting trigger signal;
one end of the power line is connected with the output end of the main control circuit;
the lamp panel driving circuit is connected with the other end of the power line at the input end thereof, and is in carrier communication connection with the main control circuit through the power line so as to receive a lighting control signal output by the main control circuit through the power line;
the output end of the lamp panel driving circuit is connected with the lamp panel, and the lamp panel driving circuit is used for driving the lamp panel to work when receiving the lighting control signal.
Optionally, the lamp panel driving circuit includes:
the input end of the pull-down circuit is connected with the output end of the main control circuit through the power line, and the pull-down circuit is used for pulling down and outputting the lighting control signal output by the main control circuit;
and the input end of the slave controller is connected with the output end of the pull-down circuit, and the slave controller is used for receiving a lighting control signal output by the pull-down circuit after being pulled down and controlling the lamp panel to work.
Optionally, the pull-down circuit includes a first resistor and a first capacitor, a first end of the first resistor and a first end of the first capacitor are connected through the power line, a second end of the first capacitor is connected to the input end of the slave controller, and a second end of the first resistor is grounded.
Optionally, the lamp panel driving circuit further includes:
the protection circuit, protection circuit's input with the power cord is connected, protection circuit's output with from the input of controller is connected, protection circuit is used for with the voltage of main control circuit output is exported after stepping down extremely from the controller.
Optionally, the lamp panel driving circuit further includes:
the lamp panel identification circuit is used for dividing the direct-current power supply and then outputting a corresponding divided voltage detection signal to the slave controller;
and the slave controller is also used for driving the lamp panel to work according to the partial pressure detection signal.
Optionally, the lamp panel identification circuit includes a fourth resistor and a fifth resistor, a first end of the fourth resistor is the input end of the lamp panel identification circuit, a second end of the fourth resistor is the output end of the lamp panel identification circuit, and is connected with a first end of the fifth resistor, and a second end of the fifth resistor is grounded.
Optionally, the main control circuit comprises:
the main controller is used for outputting the corresponding lighting control signal when receiving the lamp panel adjusting trigger signal;
switch circuit, switch circuit's controlled end with main control unit's output is connected, switch circuit's output passes through the power cord with lamp plate drive circuit carrier communication connects, switch circuit is used for receiving turn on/off during the control signal that lights to will correspond the control signal that lights passes through the power cord is exported extremely lamp plate drive circuit.
Optionally, the switch circuit includes a second resistor, a third resistor and a first NMOS transistor, a first end of the second resistor is connected to the output end of the main controller, the second end of the second resistor and the first end of the third resistor are connected with the grid electrode of the first NMOS tube, and the second end of the third resistor and the source electrode of the first NMOS tube are grounded.
Optionally, the lamp plate drive circuit quantity is a plurality of, each lamp plate drive circuit's output is connected with a lamp plate, each lamp plate drive circuit with main control circuit passes through power cord carrier communication connects.
The invention also provides lighting equipment which comprises the RGBW lamp panel control circuit and the RGBW lamp panel.
According to the technical scheme, the main control circuit is connected with the lamp panel driving circuit through the power line, power carrier communication can be carried out through the power line, when the main control circuit receives the lamp panel adjusting trigger signal, the corresponding lighting control signal is output to the lamp panel driving circuit through the power line, the lamp panel driving circuit can drive the lamp panel to work when receiving the lighting control signal, the color and the brightness of the lamp panel are changed, the lighting control signal is transmitted through the power line, the use of a communication line can be reduced, and therefore wiring on the circuit board is reduced. The invention aims to simplify the structure of the RGBW lamp panel control circuit and reduce the production cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic diagram of functional modules of an RGBW lamp panel control circuit according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a functional module of an embodiment of a pull-down circuit in the RGBW lamp panel control circuit of the present invention;
FIG. 3 is a schematic diagram of a functional module of an embodiment of a switch circuit in the RGBW lamp panel control circuit of the present invention;
fig. 4 is a schematic circuit structure diagram of an embodiment of a lamp panel identification circuit in the RGBW lamp panel control circuit of the present invention.
The reference numbers indicate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; etc.) are involved in the embodiment of the present invention, the directional indications are only used for explaining the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides an RGBW lamp panel control circuit.
Referring to fig. 1 to 4, in an embodiment of the present invention, the RGBW lamp panel control circuit includes:
the lamp panel adjusting device comprises a main control circuit 10, wherein the main control circuit 10 is used for outputting a corresponding lighting control signal when receiving a lamp panel adjusting trigger signal;
one end of the power line L1 is connected with the output end of the main control circuit 10;
the lamp panel driving circuit 20, an input end of the lamp panel driving circuit 20 is connected to the other end of the power line L1, and the lamp panel driving circuit 20 is connected to the main control circuit 10 through the power line L1 in a carrier communication manner, so as to receive a lighting control signal output by the main control circuit 10 through the power line L1;
the output end of the lamp panel driving circuit 20 is connected with the lamp panel, and the lamp panel driving circuit 20 is used for driving the lamp panel to work when receiving the lighting control signal.
In this embodiment, the lamp plate has many lamp plates of three kinds of colours RGBW, and many lamp plates are parallelly connected to be set up, and each lamp plate independent work can be controlled respectively to lamp plate drive circuit 20.
It can be understood that, because the lamp panel driving circuit 20 can convert the electrical signal output by the main control circuit 10 into a digital signal, and then control the color and brightness change of the lamp beads in the RGBW lamp panel in a PWM output mode, because R, G, B, W respectively represent an 8-bit data, an 8-bit binary system can represent 0 to 256, that is, when the 8-bit binary system is 0, the brightness of a certain lamp bead is the lowest, and at this time, the lamp bead is extinguished, so when the color of a certain lamp bead is not needed, the output 8-bit binary system is 0; the brightness is highest when the 8-bit binary system is 256, the brightness of a certain lamp bead in the RGBW lamp panel can be changed by outputting different 8-bit binary systems consisting of different data bit1 and bit0, for example, to change the brightness of a W lamp bead, the main control circuit 10 can output an electric signal corresponding to the data format of the W lamp to the lamp panel driving circuit 20, the controller in the lamp panel driving circuit 20 can obtain the corresponding data bit1 and bit0 according to the electric signal and form an 8-bit binary digital signal, and the controller in the lamp panel driving circuit 20 outputs a corresponding PWM signal according to the binary digital signal to adjust the brightness of the W lamp; because the data format of the R lamp, the G lamp and the B lamp is 0x55+0x01+ RGB +. The RGB represents 24-bit data, the first eight bits represent the R lamp, the middle eight bits represent the G lamp, the last eight bits represent the B lamp, the controller in the lamp panel driving circuit 20 can control the brightness of the R lamp, the G lamp and the B lamp according to the 24-bit data, and the brightness control method is consistent with that of the W lamp; the controller in the lamp panel driving circuit 20 may have four control terminals, which respectively correspond to four lamp beads in the RGBW lamp panel, and the controller may output a control signal from one or more control terminals according to the received digital signal representing the lighting control signal, so as to control the brightness change of one or more lamp beads.
According to the technical scheme, the main control circuit 10 and the lamp panel driving circuit 20 are connected through the power line L1, power carrier communication can be carried out through the power line L1, when the main control circuit 10 receives a lamp panel adjusting trigger signal, a corresponding lighting control signal is output to the lamp panel driving circuit 20 through the power line L1, the lamp panel driving circuit 20 can drive the lamp panel to work when receiving the lighting control signal, the color and the brightness of the lamp panel are changed, the lighting control signal is transmitted through the power line L1, the use of communication lines can be reduced, and therefore wiring on the circuit board is reduced. The invention aims to simplify the structure of the RGBW lamp panel control circuit and reduce the production cost.
In an embodiment, the number of the lamp panel driving circuits 20 is plural, an output end of each of the lamp panel driving circuits 20 is connected to a lamp panel, and each of the lamp panel driving circuits 20 is connected to the main control circuit 10 through the power line L1 in a carrier communication manner.
In this embodiment, a plurality of lamp plates can be connected to a plurality of lamp plate drive circuit 20, a plurality of lamp plate drive circuit 20 are connected by a main control circuit 10, can a main control circuit 10 realize the function of controlling a plurality of lamp plate luminance change and colour transform thereof, thereby make a plurality of lamp plates can realize visual effect such as horse race lamp, can be applied to multiple occasion, satisfy the diversified demand of user, and a main control circuit 10 connects a plurality of lamp plate drive circuit 20, need not use many communication lines, only need through power cord L1 transmission light control signal, moreover, the steam generator is simple in structure, the cost is lower.
Referring to fig. 1 to 4, in one embodiment, the main control circuit 10 includes:
the lamp panel adjusting device comprises a main controller 11, a lamp controller and a controller, wherein the main controller is used for outputting a corresponding lighting control signal when receiving a lamp panel adjusting trigger signal;
switch circuit, switch circuit's controlled end with main control unit 11's output is connected, switch circuit's output passes through power cord L1 with lamp plate drive circuit 20 carrier communication connects, switch circuit is used for receiving switch on/off during the control signal that lights to will correspond the control signal that lights passes through power cord L1 exports extremely lamp plate drive circuit 20.
In this embodiment, the main controller 11 may be a Digital Signal Processor (DSP), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a microprocessor, an MCU or other electronic components. The main controller 11 may receive a lamp panel adjustment trigger signal output by a user through infrared remote control, and output a corresponding lighting control signal according to the lamp panel adjustment trigger signal, and the main controller 11 may also receive the lamp panel adjustment trigger signal output by the user through bluetooth or WIFI or other modes; the switch circuit can be formed by electronic components such as one or more MOS pipes and resistors, and the switch circuit can be turned on or turned off according to the received level to output a corresponding lighting control signal to the lamp panel driving circuit 20, and the on or off state of the switch circuit when receiving the high level or the low level can be determined according to the selected MOS pipe. The main control circuit 10 formed by the main control and the switch circuit in this embodiment can adjust the trigger signal according to the received lamp panel, and outputs a corresponding lighting control signal to the lamp panel driving circuit 20.
Referring to fig. 1 to 4, in an embodiment, the switch circuit includes a second resistor R2, a third resistor R3, and a first NMOS transistor Q1, a first end of the second resistor R2 is connected to the output end of the main controller 11, a second end of the second resistor R2 and a first end of the third resistor R3 are connected to the gate of the first NMOS transistor Q1, and a second end of the third resistor R3 and the source of the first NMOS transistor Q1 are grounded.
In this embodiment, the second resistor R2 is a current-limiting resistor, which plays a role of limiting the magnitude of current, and can prevent the current in the circuit from being too large and damaging electrical components in the circuit, the third resistor R3 is a pull-down resistor, which can pull down the voltage of the first NMOS gate to the ground when the first NMOS transistor Q1 is turned off, when the gate of the first NMOS transistor Q1 receives a high-level lighting control signal, the first NMOS transistor Q1 is turned on, the switch circuit is turned on, and the electrical signal of the main control circuit 10 can be output to the lamp panel driving circuit 20; when the gate of the first NMOS transistor Q1 receives the lighting control signal of the low level, the first NMOS transistor Q1 is turned off, the switching circuit is turned off, and the electric signal of the main control circuit 10 cannot be output to the lamp panel driving circuit 20, so that the switching circuit can be turned on or turned off according to the specific level of the lighting control signal.
Referring to fig. 1 to 4, in an embodiment, the lamp panel driving circuit 20 includes:
the input end of the pull-down circuit is connected with the output end of the main control circuit 10 through the power line L1, and the pull-down circuit is used for pulling down and outputting the lighting control signal output by the main control circuit 10;
and the input end of the slave controller 21 is connected with the output end of the pull-down circuit, and the slave controller 21 is used for receiving a lighting control signal output after the pull-down circuit pulls down and controlling the lamp panel to work.
The pull-down circuit comprises a first resistor R1 and a first capacitor C1, the first end of the first resistor R1 and the first end of the first capacitor C1 are connected through the power line L1, the second end of the first capacitor C1 is connected with the input end of the controller 21, and the second end of the first resistor R1 is grounded.
In this embodiment, the pull-down circuit formed by the first capacitor C1 and the first resistor R1 may be used as a discharge loop when the NMOS transistor in the switch circuit is turned off, and when the NMOS transistor is turned off, the first capacitor C1 may discharge the first resistor R1 through the discharge loop, so as to pull down the level of the input end of the controller 21, so that the input end of the controller 21 can correctly read the electrical signal of low level in a short time. The master controller 11 in the above-described embodiment can also be referred to as a device employable by the slave controller 21. In this embodiment, the pull-down circuit formed by the first resistor R1 and the first capacitor C1 can pull down the lighting control signal outputted by the main control circuit 10, so that the controller 21 can read the correct lighting control signal.
Referring to fig. 1 to 4, in an embodiment, the lamp panel driving circuit 20 further includes:
and the input end of the protection circuit is connected with the power line L1, the output end of the protection circuit is connected with the input end of the slave controller 21, and the protection circuit is used for outputting the voltage output by the main control circuit 10 to the slave controller 21 after the voltage is reduced.
In this embodiment, the protection circuit may be composed of a sixth resistor R6, a seventh resistor R7, and a first electrostatic protection diode D1, a voltage divider circuit composed of the sixth resistor R6 and the seventh resistor R7 may divide the voltage at the input end of the controller 21 to prevent the I/O port from being damaged due to an excessively high voltage, and the first electrostatic protection diode D1 may also prevent the I/O port from being damaged due to a high voltage from the controller 21. In this embodiment, the protection circuit formed by the sixth resistor R6, the seventh resistor R7 and the first electrostatic protection diode D1 can prevent the I/O port of the slave controller 21 from being damaged by high voltage.
Referring to fig. 1 to 4, in an embodiment, the lamp panel driving circuit 20 further includes:
the lamp panel identification circuit is used for dividing the direct-current power supply V and then outputting a corresponding divided voltage detection signal to the slave controller 21;
and the slave controller 21 is also used for driving the lamp panel to work according to the partial pressure detection signal.
The lamp plate recognition circuit comprises a fourth resistor R4 and a fifth resistor R5, the first end of the fourth resistor R4 is the input end of the lamp plate recognition circuit, the second end of the fourth resistor R4 is the output end of the lamp plate recognition circuit, the output end of the lamp plate recognition circuit is connected with the first end of the fifth resistor R5, and the second end of the fifth resistor R5 is grounded.
In this embodiment, the lamp panel identification circuit formed by the fourth resistor R4 and the fifth resistor R5 may divide the voltage of the dc power supply V and output a corresponding divided voltage detection signal to the slave controller 21, and the slave controller 21 may obtain a specific divided voltage value according to the divided voltage detection signal, thereby determining whether the lamp panel to be lit is the lamp panel connected to the lamp panel driving circuit 20; for example, when a main control circuit 10 connects a plurality of lamp panel control circuits, the resistance of the fifth resistor R5 in each lamp panel control circuit can be set to different resistances, and when the voltages at the input ends of the lamp panel identification circuits are the same, the voltage values of the divided voltage detection signals received from the controller 21 are different, so that the lamp panel connected with the corresponding lamp panel control circuit to be controlled can be identified through different divided voltage detection signals. In this embodiment, when the lamp panel identification circuit formed by the fourth resistor R4 and the fifth resistor R5 enables the main control circuit 10 to be connected to a plurality of lamp panel control circuits, each lamp panel circuit can identify which lamp panel control circuit is specifically controlled by the lighting control signal.
In an embodiment, the lamp panel driving circuit 20 further includes:
power supply circuit, power supply circuit's input with power cord L1 connects, power supply circuit's output respectively with lamp plate recognition circuit's input with connect from the feed end of controller 21, power supply circuit is used for lamp plate recognition circuit with provide operating voltage from controller 21.
In this embodiment, the power circuit may be implemented by an LDO chip or a DC-DC circuit. The power supply circuit can convert the external power supply voltage into the working voltage suitable for the slave controller 21, so that the situation that the device is damaged due to the fact that the slave controller 21 receives a high working voltage or the device cannot work normally due to the fact that the device receives a low working voltage is avoided; the power supply circuit can also provide a direct-current power supply V for the lamp panel identification circuit.
The invention also provides the lighting equipment.
In an embodiment, the lighting device comprises the RGBW lamp panel control circuit and the RGBW lamp panel as described above. The specific structure of the RGBW lamp panel control circuit refers to the above embodiments, and since the lighting device adopts all the technical schemes of all the above embodiments, all the beneficial effects brought by the technical schemes of the above embodiments are at least achieved, and are not repeated here.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents made by the contents of the specification and drawings or directly/indirectly applied to other related technical fields under the technical spirit of the present invention are included in the scope of the present invention.
Claims (10)
1. The utility model provides a RGBW lamp plate control circuit which characterized in that, RGBW lamp plate control circuit includes:
the lamp panel adjusting device comprises a main control circuit, a lamp adjusting trigger signal generating circuit and a lamp adjusting trigger signal generating circuit, wherein the main control circuit is used for outputting a corresponding lamp lighting control signal when receiving the lamp panel adjusting trigger signal;
one end of the power line is connected with the output end of the main control circuit;
the lamp panel driving circuit is connected with the other end of the power line at the input end thereof, and is in carrier communication connection with the main control circuit through the power line so as to receive a lighting control signal output by the main control circuit through the power line;
the output end of the lamp panel driving circuit is connected with the lamp panel, and the lamp panel driving circuit is used for driving the lamp panel to work when receiving the lighting control signal.
2. The RGBW lamp panel control circuit of claim 1, wherein the lamp panel drive circuit comprises:
the input end of the pull-down circuit is connected with the output end of the main control circuit through the power line, and the pull-down circuit is used for pulling down and outputting the lighting control signal output by the main control circuit;
and the input end of the slave controller is connected with the output end of the pull-down circuit, and the slave controller is used for receiving a lighting control signal output by the pull-down circuit after being pulled down and controlling the lamp panel to work.
3. The RGBW lamp panel control circuit of claim 2, wherein said pull-down circuit includes a first resistor and a first capacitor, a first end of said first resistor and a first end of said first capacitor are connected through said power line, a second end of said first capacitor is connected to said input terminal of said slave controller, and a second end of said first resistor is grounded.
4. The RGBW lamp panel control circuit of claim 2, wherein the lamp panel drive circuit further comprises:
the protection circuit, protection circuit's input with the power cord is connected, protection circuit's output with from the input of controller and be connected, protection circuit is used for with the voltage of main control circuit output is exported after stepping down extremely from the controller.
5. The RGBW lamp panel control circuit of claim 2, wherein the lamp panel drive circuit further comprises:
the lamp panel identification circuit is used for dividing the direct-current power supply and then outputting a corresponding divided voltage detection signal to the slave controller;
and the slave controller is also used for driving the lamp panel to work according to the partial pressure detection signal.
6. The RGBW lamp panel control circuit of claim 5, wherein said lamp panel identification circuit includes a fourth resistor and a fifth resistor, a first end of said fourth resistor is an input end of said lamp panel identification circuit, a second end of said fourth resistor is an output end of said lamp panel identification circuit and is connected to a first end of said fifth resistor, and a second end of said fifth resistor is grounded.
7. The RGBW lamp panel control circuit of claim 1, wherein the main control circuit comprises:
the main controller is used for outputting the corresponding lighting control signal when receiving the lamp panel adjusting trigger signal;
switch circuit, switch circuit's controlled end with main control unit's output is connected, switch circuit's output passes through the power cord with lamp plate drive circuit carrier communication connects, switch circuit is used for receiving turn on/off during the control signal that lights to will correspond the control signal that lights passes through the power cord is exported extremely lamp plate drive circuit.
8. The RGBW lamp panel control circuit of claim 7, wherein the switch circuit includes a second resistor, a third resistor and a first NMOS transistor, a first end of the second resistor is connected with an output terminal of the main controller, a second end of the second resistor and a first end of the third resistor are connected with a gate of the first NMOS transistor, and a second end of the third resistor and a source of the first NMOS transistor are grounded.
9. The RGBW lamp panel control circuit of claim 1, wherein the number of the lamp panel drive circuits is plural, an output terminal of each of the lamp panel drive circuits is connected to a lamp panel, and each of the lamp panel drive circuits is connected to the main control circuit through the power line carrier communication.
10. An illumination device, characterized in that the illumination device comprises the RGBW lamp panel control circuit and the RGBW lamp panel of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211021224.1A CN115397080A (en) | 2022-08-24 | 2022-08-24 | RGBW lamp panel control circuit and lighting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211021224.1A CN115397080A (en) | 2022-08-24 | 2022-08-24 | RGBW lamp panel control circuit and lighting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115397080A true CN115397080A (en) | 2022-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211021224.1A Pending CN115397080A (en) | 2022-08-24 | 2022-08-24 | RGBW lamp panel control circuit and lighting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115397080A (en) |
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2022
- 2022-08-24 CN CN202211021224.1A patent/CN115397080A/en active Pending
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