CN110708794A - LED dimming method and device and LED lighting lamp - Google Patents
LED dimming method and device and LED lighting lamp Download PDFInfo
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Abstract
The invention is suitable for the field of LED control, and provides an LED dimming method, an LED dimming device and an LED lighting lamp, wherein the LED dimming method comprises the following steps: firstly, acquiring a target illumination ratio; the target illumination ratio is the quotient of the target illumination divided by the maximum rated illumination; then acquiring a first duty ratio, a first illumination ratio, a second duty ratio and a second illumination ratio from a pre-stored database according to the target illumination ratio; determining a target duty ratio according to an interpolation algorithm, the first duty ratio, the first illumination ratio, the second duty ratio and the second illumination ratio; finally, controlling the LED to emit light according to the target duty ratio; therefore, the linear adjustment of the illumination of the LED lighting lamp is realized, and the LED dimming accuracy is improved.
Description
Technical Field
The invention belongs to the field of LED control, and particularly relates to an LED dimming method and device and an LED lighting lamp.
Background
The traditional LED dimming method is characterized in that a target illumination ratio is obtained; the target illumination ratio is the quotient of the target illumination divided by the maximum rated illumination; then taking the target illumination ratio as a target duty ratio; and finally, driving the LED according to the target duty ratio.
Since the target duty ratio and the illuminance of the LED lamp are not in a linear relationship, the illuminance of the LED lamp cannot be linearly adjusted.
Therefore, the traditional LED dimming method has the defect that the illumination of the LED lamp cannot be linearly adjusted, so that the LED dimming accuracy is poor.
Disclosure of Invention
In view of this, embodiments of the present invention provide an LED dimming method and apparatus, and an LED lighting fixture, which aim to solve the problem in the prior art that the illuminance of an LED lamp cannot be linearly adjusted, so that the LED dimming accuracy is poor.
A first aspect of an embodiment of the present invention provides an LED dimming method, including:
acquiring a target illumination ratio; the target illumination ratio is the quotient of the target illumination divided by the maximum rated illumination;
acquiring a first duty ratio, a first illumination ratio, a second duty ratio and a second illumination ratio from a pre-stored database according to the target illumination ratio;
determining a target duty cycle according to an interpolation algorithm, the first duty cycle, the first illumination ratio, the second duty cycle, and the second illumination ratio;
and controlling the LED to emit light according to the target duty ratio.
A second aspect of an embodiment of the present invention provides an LED dimming device, including:
the target illumination ratio acquisition module is used for acquiring a target illumination ratio; the target illumination ratio is the quotient of the target illumination divided by the maximum rated illumination;
the first duty ratio acquisition module is used for acquiring a first duty ratio, a first illumination ratio, a second duty ratio and a second illumination ratio from a pre-stored database according to the target illumination ratio;
a target duty cycle determination module configured to determine a target duty cycle according to an interpolation algorithm, the first duty cycle, the first illuminance ratio, the second duty cycle, and the second illuminance ratio;
and the control module is used for controlling the LED to emit light according to the target duty ratio.
A third aspect of the embodiments of the present invention provides an LED lighting fixture, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the steps of the LED dimming method when executing the computer program.
A fourth aspect of the embodiments of the present invention provides a computer-readable storage medium, which stores a computer program, and when the computer program is executed by a processor, the computer program implements the steps of the LED dimming method described above.
Compared with the prior art, the embodiment of the invention has the following beneficial effects: acquiring a first duty ratio, a first illumination ratio, a second duty ratio and a second illumination ratio from a pre-stored database according to the target illumination ratio; determining a target duty ratio according to an interpolation algorithm, the first duty ratio, the first illumination ratio, the second duty ratio and the second illumination ratio; therefore, the linear adjustment of the illumination of the LED lighting lamp is realized, and the LED dimming accuracy is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic flow chart of an implementation of an LED dimming method according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of another implementation of the LED dimming method according to the embodiment of the present invention;
fig. 3 is a schematic diagram of an LED dimming device according to an embodiment of the present invention;
fig. 4 is another schematic diagram of an LED dimming device according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a first duty cycle obtaining module of an LED dimming device according to an embodiment of the present invention;
fig. 6 is another schematic diagram of an LED dimming device according to an embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
Fig. 1 shows a flow of implementing an LED dimming method according to an embodiment of the present invention, and for convenience of description, only the parts related to the embodiment of the present invention are shown, and the details are as follows:
in step 101, obtaining a target illumination ratio; the target illuminance ratio is a quotient of the target illuminance divided by the maximum rated illuminance.
Step S101 may specifically be: and acquiring a target illumination ratio input by a user. For example, the user may adjust the target illuminance ratio by a knob.
In step 102, a first duty ratio, a first illuminance ratio, a second duty ratio and a second illuminance ratio are obtained from a pre-stored database according to the target illuminance ratio.
In a specific implementation, step 102 includes steps 102-1 through 102-4.
In step 102-1, a pre-stored database is traversed according to the target illumination ratio, and a first illumination ratio which is larger than the target illumination ratio and has the smallest absolute value of the difference with the target illumination ratio is obtained.
Step 102-1 may specifically be: 102 includes steps 102-1 through 102-4.
In step 102-1, the pre-stored database is traversed according to the target illuminance ratio, one or more first to-be-processed illuminance ratios greater than the target illuminance ratio are obtained, and the smallest first to-be-processed illuminance ratio is used as the first illuminance ratio.
In step 102-2, a first duty cycle corresponding to the first luminance ratio is obtained.
In step 102-3, the pre-stored database is traversed according to the target illumination ratio, and a second illumination ratio which is smaller than the target illumination ratio and has the smallest absolute value of the difference with the target illumination ratio is obtained.
Step 102-3 may specifically be: and traversing the pre-stored database according to the target illumination ratio, acquiring one or more second to-be-processed illumination ratios smaller than the target illumination ratio, and taking the maximum second to-be-processed illumination ratio as the second illumination ratio.
In step 102-4, a second duty cycle corresponding to the first luminance ratio is obtained.
In step 103, a target duty cycle is determined according to the interpolation algorithm, the first duty cycle, the first illuminance ratio, the second duty cycle, and the second illuminance ratio.
In specific implementation, step 103 specifically includes:
calculating the target duty cycle according to the following equation:
Di＝(Ck-Cj)*(i-j)/(k-j)+Cj
and Di is a target duty ratio, Ck is a first illumination ratio, Cj is a second illumination ratio, k is the first duty ratio, j is the second duty ratio, and i is the target illumination ratio.
In step 104, the LED is controlled to emit light according to the target duty ratio.
As shown in fig. 2, step 98 to step 100 are also included before step 101.
In step 98, the LEDs are tested for their respective illumination under the control of PWM signals of multiple duty cycles.
In step 99, an illuminance ratio corresponding to each of the plurality of duty ratios is obtained from the plurality of illuminances and the maximum rated illuminance.
In step 100, the association of the plurality of duty cycles and the plurality of luminance ratios is maintained to a database.
The correlation of the plurality of duty cycles and the plurality of luminance ratios is maintained to a database, thereby providing a source of raw data for the interpolation algorithm.
In order to implement the LED dimming method, an embodiment of the present invention further provides an LED dimming device, as shown in fig. 3, the LED dimming device 30 includes a target illuminance ratio obtaining module 310, a first duty ratio obtaining module 320, a target duty ratio determining module 330, and a control module 340.
A target illuminance ratio obtaining module 310, configured to obtain a target illuminance ratio; the target illumination ratio is the quotient of the target illumination divided by the maximum rated illumination;
the first duty ratio obtaining module 320 is configured to obtain a first duty ratio, a first illuminance ratio, a second duty ratio, and a second illuminance ratio from a pre-stored database according to the target illuminance ratio;
a target duty ratio determining module 330, configured to determine a target duty ratio according to the interpolation algorithm, the first duty ratio, the first illuminance ratio, the second duty ratio, and the second illuminance ratio;
and the control module 340 is used for controlling the LED to emit light according to the target duty ratio.
As shown in fig. 4, the LED dimming device further includes a testing module 350, an illuminance ratio obtaining module 360 and a saving module 370.
The test module is used for testing the illumination intensity of the LED corresponding to each LED under the control of the PWM signals with the plurality of duty ratios;
the illumination ratio acquisition module is used for acquiring illumination ratios corresponding to the duty ratios according to the plurality of illuminations and the maximum rated illumination;
and the storage module is used for storing the association of the plurality of duty ratios and the plurality of illumination ratio values to a database. .
As shown in fig. 5, the first duty ratio obtaining module 320 includes a first illuminance ratio obtaining module 321, a first duty ratio obtaining module 322, a second illuminance ratio obtaining module 323, and a second duty ratio obtaining module 324.
A first illuminance ratio obtaining module 321, configured to traverse a pre-stored database according to the target illuminance ratio, and obtain a first illuminance ratio that is greater than the target illuminance ratio and has the smallest absolute value of the difference from the target illuminance ratio;
a first duty ratio obtaining module 322, configured to obtain a first duty ratio corresponding to the first illuminance ratio;
a second illuminance ratio obtaining module 323, configured to traverse a pre-stored database according to the target illuminance ratio, and obtain a second illuminance ratio that is smaller than the target illuminance ratio and has a smallest absolute value of a difference from the target illuminance ratio;
a second duty ratio obtaining module 324 is configured to obtain a second duty ratio corresponding to the first illuminance ratio.
In a specific implementation, the operation module is specifically configured to:
calculating the target duty cycle according to the following equation:
Di＝(Ck-Cj)*(i-j)/(k-j)+Cj
and Di is a target duty ratio, Ck is a first illumination ratio, Cj is a second illumination ratio, k is the first duty ratio, j is the second duty ratio, and i is the target illumination ratio.
In summary, in the embodiments of the present invention, the target illuminance ratio is first obtained; the target illumination ratio is the quotient of the target illumination divided by the maximum rated illumination; then acquiring a first duty ratio, a first illumination ratio, a second duty ratio and a second illumination ratio from a pre-stored database according to the target illumination ratio; determining a target duty ratio according to an interpolation algorithm, the first duty ratio, the first illumination ratio, the second duty ratio and the second illumination ratio; finally, controlling the LED to emit light according to the target duty ratio; therefore, the linear adjustment of the illumination of the LED lighting lamp is realized, and the LED dimming accuracy is improved.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
Fig. 6 is a schematic diagram of an LED dimming device according to an embodiment of the present invention. As shown in fig. 6, an LED dimming device 6 of this embodiment includes: a processor 60, a memory 61, and a computer program 62, such as an LED dimming program, stored in the memory 61 and executable on the processor 60. The processor 60, when executing the computer program 62, implements the steps in the various LED dimming method embodiments described above, such as the steps 101 to 106 shown in fig. 1. Alternatively, the processor 60, when executing the computer program 62, implements the functions of the various modules/units in the above-described apparatus embodiments, such as the functions of the modules 310 to 360 shown in fig. 3.
Illustratively, the computer program 62 may be divided into one or more modules/units, which are stored in the memory 61 and executed by the processor 60 to implement the present invention. One or more of the modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution of the computer program 62 in the LED dimming device 6. For example, the computer program 62 may be divided into the target illuminance ratio acquisition module 310, the first duty ratio acquisition module 320, the target duty ratio determination module 330, and the control module 340 (a module in a virtual device), and each module has the following specific functions:
a target illuminance ratio obtaining module 310, configured to obtain a target illuminance ratio; the target illumination ratio is the quotient of the target illumination divided by the maximum rated illumination;
the first duty ratio obtaining module 320 is configured to obtain a first duty ratio, a first illuminance ratio, a second duty ratio, and a second illuminance ratio from a pre-stored database according to the target illuminance ratio;
a target duty ratio determining module 330, configured to determine a target duty ratio according to the interpolation algorithm, the first duty ratio, the first illuminance ratio, the second duty ratio, and the second illuminance ratio;
and the control module 340 is used for controlling the LED to emit light according to the target duty ratio.
The LED dimming device 6 may be an LED lighting fixture. The LED dimming device may include, but is not limited to, a processor 60, a memory 61. It will be appreciated by those skilled in the art that fig. 6 is merely an example of the LED dimming arrangement 6, and does not constitute a limitation of the LED dimming arrangement 6, and may include more or fewer components than shown, or combine certain components, or different components, e.g. the LED dimming arrangement may also include input-output devices, network access devices, buses, etc.
The Processor 60 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 61 may be an internal storage unit of the LED dimming device 6, such as a hard disk or an internal memory of the LED dimming device 6. The memory 61 may also be an external storage device of the LED dimming device 6, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are provided on the LED dimming device 6. Further, the memory 61 may also include both an internal storage unit and an external storage device of the LED dimming device 6. The memory 61 is used for storing the computer program and other programs and data required by the LED dimming device. The memory 61 may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/terminal device are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. . Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. An LED dimming method, comprising:
acquiring a target illumination ratio; the target illumination ratio is the quotient of the target illumination divided by the maximum rated illumination;
acquiring a first duty ratio, a first illumination ratio, a second duty ratio and a second illumination ratio from a pre-stored database according to the target illumination ratio;
determining a target duty cycle according to an interpolation algorithm, the first duty cycle, the first illumination ratio, the second duty cycle, and the second illumination ratio;
and controlling the LED to emit light according to the target duty ratio.
2. The LED dimming method of claim 1, wherein obtaining the target illuminance ratio further comprises:
testing the illumination intensity of the LEDs corresponding to each LED under the control of the PWM signals with a plurality of duty ratios;
obtaining the illumination ratio corresponding to each of the duty ratios according to the plurality of illuminations and the maximum rated illumination;
maintaining an association of a plurality of said duty cycles and a plurality of said luminance ratio values to a database.
3. The LED dimming method of claim 1, wherein the obtaining the first duty cycle, the first illuminance ratio, the second duty cycle, and the second illuminance ratio from a pre-stored database according to the target illuminance ratio comprises:
traversing a pre-stored database according to the target illumination ratio to obtain the first illumination ratio which is larger than the target illumination ratio and has the smallest absolute value of the difference with the target illumination ratio;
acquiring the first duty ratio corresponding to the first illuminance ratio;
traversing a pre-stored database according to the target illumination ratio to obtain a second illumination ratio which is smaller than the target illumination ratio and has the smallest absolute value of the difference with the target illumination ratio;
and acquiring the second duty ratio corresponding to the first illumination ratio.
4. The LED dimming method according to claim 1, wherein the determining a target duty cycle according to an interpolation algorithm, the first duty cycle, the first illuminance ratio, the second duty cycle, and the second illuminance ratio is specifically:
calculating the target duty cycle according to the following equation:
Di＝(Ck-Cj)*(i-j)/(k-j)+Cj
wherein Di is the target duty cycle, Ck is the first illuminance ratio, Cj is the second illuminance ratio, k is the first duty cycle, j is the second duty cycle, and i is the target illuminance ratio.
5. An LED dimming device, comprising:
the target illumination ratio acquisition module is used for acquiring a target illumination ratio; the target illumination ratio is the quotient of the target illumination divided by the maximum rated illumination;
the first duty ratio acquisition module is used for acquiring a first duty ratio, a first illumination ratio, a second duty ratio and a second illumination ratio from a pre-stored database according to the target illumination ratio;
a target duty cycle determination module configured to determine a target duty cycle according to an interpolation algorithm, the first duty cycle, the first illuminance ratio, the second duty cycle, and the second illuminance ratio;
and the control module is used for controlling the LED to emit light according to the target duty ratio.
6. The LED dimming device of claim 5, further comprising:
the test module is used for testing the illumination intensity of the LED corresponding to each LED under the control of the PWM signals with the plurality of duty ratios;
an illuminance ratio acquisition module, configured to acquire, according to the multiple illuminances and the maximum rated illuminance, illuminance ratios corresponding to the multiple duty ratios;
and the storage module is used for storing the correlation of the plurality of duty ratios and the plurality of illuminance ratios to a database.
7. The LED dimming device of claim 5, wherein the first duty cycle obtaining module comprises:
the first illumination ratio acquisition module is used for traversing a pre-stored database according to the target illumination ratio to acquire the first illumination ratio which is larger than the target illumination ratio and has the smallest absolute value of the difference value with the target illumination ratio;
a first duty ratio obtaining module, configured to obtain the first duty ratio corresponding to the first illuminance ratio;
the second illumination ratio acquisition module is used for traversing a pre-stored database according to the target illumination ratio to acquire the second illumination ratio which is smaller than the target illumination ratio and has the smallest absolute value of the difference value with the target illumination ratio;
a second duty ratio obtaining module, configured to obtain the second duty ratio corresponding to the first illuminance ratio.
8. The LED dimming device according to claim 5, wherein the operation module is specifically configured to:
calculating the target duty cycle according to the following equation:
Di＝(Ck-Cj)*(i-j)/(k-j)+Cj
wherein Di is the target duty cycle, Ck is the first illuminance ratio, Cj is the second illuminance ratio, k is the first duty cycle, j is the second duty cycle, and i is the target illuminance ratio.
9. An LED lighting fixture comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor when executing the computer program implements the method of any of claims 1 to 4.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1 to 4.
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| CN201910936692.3A CN110708794A (en) | 2019-09-29 | 2019-09-29 | LED dimming method and device and LED lighting lamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113326029A (en) * | 2021-05-13 | 2021-08-31 | 深圳恒之源技术股份有限公司 | LED lamp brightness adjusting method and system and computer readable storage medium |
| CN113329550A (en) * | 2020-02-28 | 2021-08-31 | 漳州立达信光电子科技有限公司 | Method and device for controlling illumination of real-time environment of lamp, terminal equipment and medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102474956A (en) * | 2009-08-07 | 2012-05-23 | 夏普株式会社 | Lighting equipment |
| CN205864796U (en) * | 2016-07-05 | 2017-01-04 | 刘秉源 | A kind of light fixture of adaptive environment |
| CN106658873A (en) * | 2017-02-28 | 2017-05-10 | 横店集团得邦照明股份有限公司 | Nonlinear closed loop-based LED control system with adjustable light colors |
| CN109997414A (en) * | 2016-11-30 | 2019-07-09 | 美蓓亚三美株式会社 | Light source drive device |
-
2019
- 2019-09-29 CN CN201910936692.3A patent/CN110708794A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102474956A (en) * | 2009-08-07 | 2012-05-23 | 夏普株式会社 | Lighting equipment |
| CN205864796U (en) * | 2016-07-05 | 2017-01-04 | 刘秉源 | A kind of light fixture of adaptive environment |
| CN109997414A (en) * | 2016-11-30 | 2019-07-09 | 美蓓亚三美株式会社 | Light source drive device |
| CN106658873A (en) * | 2017-02-28 | 2017-05-10 | 横店集团得邦照明股份有限公司 | Nonlinear closed loop-based LED control system with adjustable light colors |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113329550A (en) * | 2020-02-28 | 2021-08-31 | 漳州立达信光电子科技有限公司 | Method and device for controlling illumination of real-time environment of lamp, terminal equipment and medium |
| CN113326029A (en) * | 2021-05-13 | 2021-08-31 | 深圳恒之源技术股份有限公司 | LED lamp brightness adjusting method and system and computer readable storage medium |
| CN113326029B (en) * | 2021-05-13 | 2024-03-22 | 深圳恒之源技术股份有限公司 | LED lamp brightness adjusting method, system and computer readable storage medium |
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