CN108882459A - A kind of brightness regulating circuit and system of UI indicator light - Google Patents
A kind of brightness regulating circuit and system of UI indicator light Download PDFInfo
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- CN108882459A CN108882459A CN201810836424.XA CN201810836424A CN108882459A CN 108882459 A CN108882459 A CN 108882459A CN 201810836424 A CN201810836424 A CN 201810836424A CN 108882459 A CN108882459 A CN 108882459A
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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]
- H05B45/10—Controlling the intensity of the light
Abstract
The invention discloses a kind of brightness regulating circuits of UI indicator light, including：LED light, the first current-limiting resistance module, the first controllable switch, the second current-limiting resistance module of preset quantity and the second controllable switch；The setting that the present invention passes through the second current-limiting resistance module and the second controllable switch of preset quantity, can automatic or user manually control the resistance value for changing the current-limiting resistance of LED light, achieve the purpose that the brightness for changing LED light, the brightness regulation of UI indicator light is realized in a manner of simple and easy and is lower-cost, UI indicator light is set to be applicable in the use environment of different brightness, avoid because interfered with each other between ambient lighting and LED light or light-guiding pillar light leakage caused by erroneous judgement of the user to equipment running status, the user experience is improved.In addition, the invention also discloses a kind of brightness control systems of UI indicator light, equally there is above-mentioned beneficial effect.
Description
Technical field
The present invention relates to UI circuit design field, in particular to a kind of the brightness regulating circuit and system of UI indicator light.
Background technique
In outside UI (User Interface, user interface) region of the equipment such as server and memory, usually all can
There is the LED light for being used to indicate the equipment running status, user's equipment is informed by the color of LED light, light on and off or flashing
Whether normal operation and which kind of working condition is operated in.Such as the way that industry is general, in the light on and off indicating equipment of green LED
Electricity or normal operation, red or orange light on and off represent whether equipment is faulty, and the amber light flashing of RJ45 network interface represents data biography
It is defeated etc..
In the prior art, in the circuit design of UI indicator light, the processing such as CPLD or other control chip is generallyd use
The low and high level of some pin output signal of device controls the on-off of LED light access, to realize that the light on and off to LED light control；
By adjusting the size of series impedance, the brightness of LED light is adjusted, implementation is simple and easy.However designer is debugging
When the brightness of LED light, is often only debugged under a kind of light environment, be unable to satisfy all usage scenarios；In actual use feelings
The experience of Jing Zhong, user can have differences because of the difference of ambient light environment, such as when ambient light is strong, if LED light brightness
Deficiency, user possibly can not conclude whether LED light is lighted；And in darker environment, it, may if some LED light is especially bright
The LED light of adjacent other colors can be interfered, especially in certain designs using light-guiding pillar, light leakage phenomena ratio
It is relatively universal, to reduce user experience, even result in erroneous judgement.Therefore, UI indicator light how is allow to be applicable in making for different brightness
With environment, avoid because interfered with each other between ambient lighting and LED light or light-guiding pillar light leakage caused by user shape is run to equipment
The erroneous judgement of state, promoted user experience, be now urgent need to resolve the problem of.
Summary of the invention
The object of the present invention is to provide the brightness regulating circuits and system of a kind of UI indicator light, to pass through the brightness of LED light
It adjusts, UI indicator light is allow to be applicable in the use environment of different brightness, promote user experience.
In order to solve the above technical problems, the present invention provides a kind of brightness regulating circuit of UI indicator light, including：LED light,
One current-limiting resistance module, the first controllable switch, the second current-limiting resistance module of preset quantity and the second controllable switch；
Wherein, the first current-limiting resistance module, first controllable switch and LED light series connection, each described the
Two current-limiting resistance modules pass through corresponding one second controllable switch and the first current-limiting resistance wired in parallel, institute
The control terminal for stating the first controllable switch is connected with the first control signal output end of processor, for being exported according to the processor
First control signal control the light on and off of the LED light；The control terminal and corresponding one of each second controllable switch
A second control signal output end is connected, for controlling the brightness of the LED light according to corresponding second control signal.
Optionally, the first end of the first current-limiting resistance module and each second current-limiting resistance module with power supply
Power supply is connected, and the second end of the first current-limiting resistance module is connected with the anode of the LED light, each second current limliting electricity
The second end of resistance module is connected by corresponding one second controllable switch with the anode of the LED light, the LED
The cathode of lamp is grounded by first controllable switch.
Optionally, first controllable switch is specially the first NMOS tube；
Wherein, the drain electrode of first NMOS tube is connected with the cathode of the LED light, and the source electrode of first NMOS tube connects
Ground, the grid of first NMOS tube are connected with the first control signal output end of the processor.
Optionally, each second controllable switch is specially the second NMOS tube；
Wherein, the of the drain electrode of each second NMOS tube and corresponding one the second current-limiting resistance module
Two ends are connected, and the source electrode of each second NMOS tube is connected with the anode of the LED light, each second NMOS tube
Grid is connected with a corresponding second control signal output end.
Optionally, the first current-limiting resistance module, including：First resistor and second resistance；
Wherein, the first end of the first resistor is connected with the first end of the second resistance, described in the conduct of common end
The first end of first current-limiting resistance module；The second end of the first resistor is connected with the second end of the second resistance, public
Second end of the end as the first current-limiting resistance module altogether.
Optionally, the control terminal of each second controllable switch and one second control corresponding in the processor
Signal output end processed is connected, and the second control signal for the preset quantity according to the processor controls the LED light
Brightness.
Optionally, the preset quantity is specially 1.
Optionally, the second current-limiting resistance module, including：3rd resistor and the 4th resistance；
Wherein, the first end of the 3rd resistor is connected with the first end of the 4th resistance, described in the conduct of common end
The first end of second current-limiting resistance module；The second end of the 3rd resistor is connected with the second end of the 4th resistance, public
Second end of the end as the second current-limiting resistance module altogether.
In addition, the present invention also provides a kind of brightness control systems of UI indicator light, including：Processor, power supply with
And the brightness regulating circuit of UI indicator light as described in any one of claim 1 to 7.
Optionally, each of brightness regulating circuit of UI indicator light control terminal of the second controllable switch and the place
When a corresponding second control signal output end is connected in reason device, which further includes：
Luminance detection circuit for detecting the brightness of external environment, and exports corresponding detection signal；
Wherein, the processor is connected with the output end of the luminance detection circuit, for according to the detection signal to
The control terminal of each second controllable switch sends corresponding second control signal.
A kind of brightness regulating circuit of UI indicator light provided by the present invention, including：LED light, the first current-limiting resistance module,
First controllable switch, the second current-limiting resistance module of preset quantity and the second controllable switch；Wherein, the first current-limiting resistance module,
First controllable switch and LED light series connection, each second current-limiting resistance module by corresponding second controllable switch with
First current-limiting resistance wired in parallel, the control terminal of the first controllable switch are connected with the first control signal output end of processor, use
In the light on and off of the first control signal control LED light exported according to processor；The control terminal of each second controllable switch and respectively
A corresponding second control signal output end is connected, for controlling the bright of LED light according to corresponding second control signal
Degree；
As it can be seen that setting of the present invention by the second current-limiting resistance module and the second controllable switch of preset quantity, it can be certainly
Dynamic or user manually controls the resistance value for changing the current-limiting resistance of LED light, achievees the purpose that the brightness for changing LED light, with simple easy
Capable and lower-cost mode realizes the brightness regulation of UI indicator light, and UI indicator light is allow to be applicable in the use ring of different brightness
Border, avoid because interfered with each other between ambient lighting and LED light or light-guiding pillar light leakage caused by user to equipment running status
Erroneous judgement, the user experience is improved.In addition, equally having the present invention also provides a kind of brightness control system of UI indicator light
Above-mentioned beneficial effect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of the brightness regulating circuit of UI indicator light provided by the embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of the brightness control system of UI indicator light provided by the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Referring to FIG. 1, Fig. 1 shows for a kind of structure of the brightness regulating circuit of UI indicator light provided by the embodiment of the present invention
It is intended to.The circuit may include：LED light 10, the first current-limiting resistance module 20, the first controllable switch 30, preset quantity
Two current-limiting resistance modules 40 and the second controllable switch 50；
Wherein, the first current-limiting resistance module 20, the first controllable switch 30 and LED light 10 are connected, each second current-limiting resistance
Module 40 is in parallel with the first current-limiting resistance module 20 by corresponding second controllable switch 50, the first controllable switch
Control terminal is connected with the first control signal output end of processor, the first control signal control for being exported according to processor
The light on and off of LED light；The control terminal of each second controllable switch is connected with a corresponding second control signal output end, uses
In the brightness for controlling LED light according to corresponding second control signal.
It is understood that the purpose of the present embodiment can be for by such as CPLD (Complex Programmable
Logic Device, Complex Programmable Logic Devices) or other control chips control of the processor to the first controllable switch 30
The first control signal of end output controls the turn-on and turn-off of the first controllable switch 30, to control the base of the light on and off of LED light 10
On plinth, pass through the second current-limiting resistance module 40 of preset quantity and the setting of the second controllable switch 50, thus it is possible to vary LED light 10 is led
Electric current when logical realizes the brightness regulation of LED light 10.For the specific of the second current-limiting resistance module 40 and the second controllable switch 50
The setting of quantity, the i.e. setting of the adjustable brightness degree of LED light 10, can be by designer according to practical scene and user's need
Self-setting is sought, as shown in Figure 1,1 the second current-limiting resistance module 40 and the second controllable switch 50 can be set, that is, default
Quantity is 1, i.e., can simply implement 10 liang of LED light by the on-off that second control signal controls the second controllable switch 50 (Q2)
The switching of the different brightness of kind is realized under such as two kinds of lightness environments at daytime and night, two different brightness degrees of LED light 10
Switching；Also 2 or more the second current-limiting resistance modules 40 and the second controllable switch 50 can be set, i.e., it can by each second
It controls the corresponding second control signal of switch 50 and controls each second controllable switch, 50 on-off, it is more that LED light 10 may be implemented
Different brightness degree switchings.The present embodiment does not do any restrictions to this.
Specifically, to LED light 10 in this present embodiment, the first current-limiting resistance module 20, the first controllable switch 30, present count
Specific connection relationship between the second current-limiting resistance module 40 and the second controllable switch 50 of amount, can be by designer according to reality
It, can be as shown in Figure 1, the first current-limiting resistance module 20 and each second current-limiting resistance mould with scene and user demand self-setting
The first end of block 40 is connected with power supply (VDD), the anode phase of the second end and LED light 10 of the first current-limiting resistance module 20
Even, the second end of each second current-limiting resistance module 40 passes through corresponding second controllable switch 50 and LED light 10
Anode is connected, and the cathode of LED light 10 passes through the first controllable switch ground connection 30.As long as above-mentioned first controllable switch, 30 He may be implemented
The control effect of second controllable switch 50, the present embodiment do not do any restrictions to this.
It is corresponding, it, can be by designer for the concrete type of the first controllable switch 30 and each second controllable switch 50
Member is according to practical scene and user demand self-setting, as shown in Figure 1, processor is by some pin, (first control signal is defeated
Outlet) output first control signal on-off of the low and high level to control the first controllable switch 30 when, the first controllable switch 30
It can be specially the first NMOS tube (Q1), that is to say, that the drain electrode of the first NMOS tube is connected with the cathode of LED light 10, and first
The source electrode of NMOS tube is grounded, and the grid of the first NMOS tube is connected with the first control signal output end of processor；The processor, its
Its processor or control circuit control the on-off of the second controllable switch 50 by the low and high level of the second control signal of output
When, the second controllable switch 50 can be specially the second NMOS tube (Q2), that is to say, that the drain electrode of each second NMOS tube and respectively
The second end of a corresponding second current-limiting resistance module 40 is connected, sun of the source electrode of each second NMOS tube with LED light 10
Extremely it is connected, the grid of each second NMOS tube is connected with a corresponding second control signal output end.The present embodiment pair
This does not do any restrictions.
Specifically, the present embodiment controls the light on and off of LED light 10 by the on-off of the first controllable switch 30, pass through each the
The on-off of two controllable switches 50, the quantity of the second current-limiting resistance module 40 in parallel of the first current-limiting resistance module of control 20 are that is, logical
The size for crossing the equivalent resistance of control the first current-limiting resistance module 20 in parallel and the second current-limiting resistance module 40, controls LED light
10 brightness.That is, the first current-limiting resistance module 20 and each second current-limiting resistance module 40 are equivalent to a resistance.
Concrete composition setting for the first current-limiting resistance module 20 or each second current-limiting resistance module 40, can be with A designer person's root
Self-setting factually is sought with scene and user, can be made of a resistance；It can also be by the resistance of multiple series connection and/or parallel connection
Composition, as shown in Figure 1, the first current-limiting resistance module 20 and the second current-limiting resistance module 40 can be by two resistor coupled in parallel groups
At that is, the first current-limiting resistance module 20 includes：First resistor (R1) and second resistance (R2), the first end of first resistor and second
The first end of resistance is connected, first end of the common end as the first current-limiting resistance module 20；The second end of first resistor and the
The second end of two resistance is connected, second end of the common end as the first current-limiting resistance module 20；Second current-limiting resistance module 40
Including：3rd resistor (R3) and the 4th resistance (R4), the first end of 3rd resistor is connected with the first end of the 4th resistance, public
Hold the first end as the second current-limiting resistance module 40；The second end of 3rd resistor is connected with the second end of the 4th resistance, public
Second end of the end as the second current-limiting resistance module 40 altogether.The present embodiment does not do any restrictions to this.
It is corresponding, the specific resistance value of the first current-limiting resistance module 20 and each second current-limiting resistance module 40 is set
Set, can by designer according to practical scene and user demand self-setting, the first current-limiting resistance module 20 as shown in figure 1
Specific resistance value can be correspondingly arranged according to the resistance value of R1 and R2 in parallel, and the specific resistance value of the second current-limiting resistance module 40 can root
It is correspondingly arranged according to the resistance value of R3 and R4 in parallel, when Q1 conducting Q2 is not turned on, there is R1 and R2 to compose in parallel on the access of LE lamp
First current-limiting resistance module 20 can determine the brightness of LED at this time by the way that the resistance value of R1 and R2 is arranged；When Q2 conducting is connected in Q1, LE
The the second current-limiting resistance module 40 composed in parallel on the access of lamp there are also the R3 and R4 in parallel with the first current-limiting resistance module 20, etc.
It is smaller to imitate parallel resistance, electric current is bigger when LED light 10 is connected, so the brightness of LED light 10 is higher at this time.Pass through the logical of control Q2
The disconnected switching that can simply implement 10 two kinds of LED light different brightness, the resistance value of R1, R2, R3 and R4 can be passed through by designer
Practical debugging determines optimal combination.The present embodiment does not do any restrictions to this.
It should be noted that for the specific dress for exporting the corresponding second control signal of each second controllable switch 50
That sets select ands set, i.e., the second control signal output that the control terminal of each second controllable switch 50 is respectively correspondingly connected with
The specific device at the place at end is select and set, can by designer according to practical scene and user demand self-setting,
As can by the processor being connect in the present embodiment with the control terminal of the first controllable switch 30 or other processors according to user
It is arranged or according to the detection signal that luminance detection circuit exports, controls the turn-on and turn-off of corresponding second controllable switch 50, it is real
The second control signal output end that the switching of the brightness of existing LED light 10, the i.e. processor or other processors include preset quantity,
The one-to-one connection of control terminal for the second controllable switch 50 with preset quantity；It can also be opened by the external gear of user's control
The output circuit of pass or the corresponding second control signal of button switch (button), according to user in driving switch or button switch
Control situation, control the turn-on and turn-off of corresponding second controllable switch 50, realize the switching of the brightness of LED light 10.As long as
Each second controllable switch 50 according to the received corresponding second control signal of control terminal, can control itself conducting and
Shutdown, the present embodiment do not do any restrictions to this.
It is understood that the present embodiment is a LED light in UI indicator light with equipment such as server and memories
The displaying carried out for 10 brightness regulating circuit can adopt the brightness regulating circuit of other LED light 10 in UI indicator light
It is configured with corresponding with the same or similar mode of the present embodiment, the present embodiment does not do any restrictions to this.
In the present embodiment, the embodiment of the present invention passes through the second current-limiting resistance module 40 and the second controllable switch of preset quantity
50 setting, can automatically or user manually controls the resistance value for changing the current-limiting resistance of LED light 10, reaches and changes LED light 10
The purpose of brightness realizes the brightness regulation of UI indicator light in a manner of simple and easy and is lower-cost, makes UI indicator light can be with
It is applicable in the use environment of different brightness, is avoided because being interfered with each other between ambient lighting and LED light 10 or light-guiding pillar light leakage draws
Erroneous judgement of the user risen to equipment running status, the user experience is improved.
Referring to FIG. 2, Fig. 2 shows for a kind of structure of the brightness control system of UI indicator light provided by the embodiment of the present invention
It is intended to.The system may include：Processor 100, power supply 200 and the UI indicator light as provided by above-described embodiment it is bright
Degree adjusts circuit 300.
Optionally, the control terminal and processor of the second controllable switch of each of brightness regulating circuit 300 of UI indicator light
When a corresponding second control signal output end is connected in 100, which further includes：
Luminance detection circuit for detecting the brightness of external environment, and exports corresponding detection signal；
Wherein, processor is connected with the output end of luminance detection circuit, for controllable to each second according to detection signal
The control terminal of switch sends corresponding second control signal.
It is understood that the processing such as CPLD or other control chips can be made by the setting of luminance detection circuit
Device 100 detects the external environment brightness of the LED light position in the brightness regulating circuit 300 of UI indicator light, to make to handle
Device 100 it is suitable can be adjusted the LED light by system logic according to the external environment brightness of the LED light position in real time automatically
Brightness, further promote user experience.
In the present embodiment, the second of preset quantity in the brightness regulating circuit 300 that the embodiment of the present invention passes through UI indicator light
The setting of current-limiting resistance module and the second controllable switch, can or user automatic by processor 100 manually control and change LED light
The resistance value of current-limiting resistance achievees the purpose that the brightness for changing LED light, realizes UI in a manner of simple and easy and is lower-cost and refer to
The brightness regulation for showing lamp allows UI indicator light to be applicable in the use environment of different brightness, avoid because ambient lighting and LED light it
Between interfere with each other or light-guiding pillar light leakage caused by erroneous judgement of the user to equipment running status, the user experience is improved.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
Speech, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration
?.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The brightness regulating circuit and system of UI indicator light provided by the present invention are described in detail above.Herein
Apply that a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to help
Understand method and its core concept of the invention.It should be pointed out that for those skilled in the art, not taking off
, can be with several improvements and modifications are made to the present invention under the premise of from the principle of the invention, these improvement and modification also fall into this
In invention scope of protection of the claims.
Claims (10)
1. a kind of brightness regulating circuit of UI indicator light, which is characterized in that including：LED light, the first current-limiting resistance module, first
Controllable switch, the second current-limiting resistance module of preset quantity and the second controllable switch；
Wherein, the first current-limiting resistance module, first controllable switch and LED light series connection, each second limit
Leakage resistance module is by corresponding one second controllable switch and the first current-limiting resistance wired in parallel, and described the
The control terminal of one controllable switch is connected with the first control signal output end of processor, for being exported according to the processor
One control signal controls the light on and off of the LED light；The control terminal of each second controllable switch and one the corresponding
Two control signal outputs are connected, for controlling the brightness of the LED light according to corresponding second control signal.
2. the brightness regulating circuit of UI indicator light according to claim 1, which is characterized in that the first current-limiting resistance mould
The first end of block and each second current-limiting resistance module is connected with power supply, and the of the first current-limiting resistance module
Two ends are connected with the anode of the LED light, and the second end of each second current-limiting resistance module passes through corresponding one
Second controllable switch is connected with the anode of the LED light, and the cathode of the LED light is connect by first controllable switch
Ground.
3. the brightness regulating circuit of UI indicator light according to claim 2, which is characterized in that the first controllable switch tool
Body is the first NMOS tube；
Wherein, the drain electrode of first NMOS tube is connected with the cathode of the LED light, the source electrode ground connection of first NMOS tube,
The grid of first NMOS tube is connected with the first control signal output end of the processor.
4. the brightness regulating circuit of UI indicator light according to claim 2, which is characterized in that each described second controllably opens
Guan Jun is specially the second NMOS tube；
Wherein, the drain electrode and the second end of corresponding one the second current-limiting resistance module of each second NMOS tube
It is connected, the source electrode of each second NMOS tube is connected with the anode of the LED light, the grid of each second NMOS tube
It is connected with a corresponding second control signal output end.
5. the brightness regulating circuit of UI indicator light according to claim 2, which is characterized in that the first current-limiting resistance mould
Block, including：First resistor and second resistance；
Wherein, the first end of the first resistor is connected with the first end of the second resistance, and common end is as described first
The first end of current-limiting resistance module；The second end of the first resistor is connected with the second end of the second resistance, common end
Second end as the first current-limiting resistance module.
6. the brightness regulating circuit of UI indicator light according to any one of claims 1 to 5, which is characterized in that each described
The control terminal of second controllable switch is connected with a second control signal output end corresponding in the processor, is used for root
The brightness of the LED light is controlled according to the second control signal of the preset quantity of the processor.
7. the brightness regulating circuit of UI indicator light according to claim 6, which is characterized in that the preset quantity is specially
1。
8. the brightness regulating circuit of UI indicator light according to claim 7, which is characterized in that the second current-limiting resistance mould
Block, including：3rd resistor and the 4th resistance；
Wherein, the first end of the 3rd resistor is connected with the first end of the 4th resistance, and common end is as described second
The first end of current-limiting resistance module；The second end of the 3rd resistor is connected with the second end of the 4th resistance, common end
Second end as the second current-limiting resistance module.
9. a kind of brightness control system of UI indicator light, which is characterized in that including：Processor, power supply and as right is wanted
Seek the brightness regulating circuit of 1 to 7 described in any item UI indicator lights.
10. the brightness control system of UI indicator light according to claim 9, which is characterized in that the UI indicator light it is bright
Degree, which adjusts corresponding one second control in each of the circuit control terminal of the second controllable switch and the processor, to be believed
When number output end is connected, further include：
Luminance detection circuit for detecting the brightness of external environment, and exports corresponding detection signal；
Wherein, the processor is connected with the output end of the luminance detection circuit, for according to the detection signal to each
The control terminal of second controllable switch sends corresponding second control signal.
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| CN201810836424.XA CN108882459A (en) | 2018-07-26 | 2018-07-26 | A kind of brightness regulating circuit and system of UI indicator light |
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| CN109599058A (en) * | 2018-12-03 | 2019-04-09 | 郑州云海信息技术有限公司 | A kind of control method of LED array, device and storage system |
| CN110602834A (en) * | 2019-10-17 | 2019-12-20 | 上海芯荃微电子科技有限公司 | Circuit and method for controlling brightness of emergency lighting lamp by using switch |
| CN111372359A (en) * | 2018-12-26 | 2020-07-03 | 湖南汇博电子科技股份有限公司 | Emergency marker light and lamp management system |
| CN113242627A (en) * | 2021-05-08 | 2021-08-10 | 山东英信计算机技术有限公司 | Jig plate for assisting LED circuit design and use method |
| CN113286397A (en) * | 2021-06-01 | 2021-08-20 | 上海市共进通信技术有限公司 | Intelligent circuit structure for realizing LED brightness |
| CN114143927A (en) * | 2021-10-19 | 2022-03-04 | 深圳拓邦股份有限公司 | Energy-saving LED light depth adjusting circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109599058A (en) * | 2018-12-03 | 2019-04-09 | 郑州云海信息技术有限公司 | A kind of control method of LED array, device and storage system |
| CN111372359A (en) * | 2018-12-26 | 2020-07-03 | 湖南汇博电子科技股份有限公司 | Emergency marker light and lamp management system |
| CN110602834A (en) * | 2019-10-17 | 2019-12-20 | 上海芯荃微电子科技有限公司 | Circuit and method for controlling brightness of emergency lighting lamp by using switch |
| CN113242627A (en) * | 2021-05-08 | 2021-08-10 | 山东英信计算机技术有限公司 | Jig plate for assisting LED circuit design and use method |
| CN113286397A (en) * | 2021-06-01 | 2021-08-20 | 上海市共进通信技术有限公司 | Intelligent circuit structure for realizing LED brightness |
| CN113286397B (en) * | 2021-06-01 | 2023-08-25 | 上海市共进通信技术有限公司 | Intelligent Circuit Structure for Realizing LED Brightness |
| CN114143927A (en) * | 2021-10-19 | 2022-03-04 | 深圳拓邦股份有限公司 | Energy-saving LED light depth adjusting circuit |
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Application publication date: 20181123 |