CN110288941A - A kind of common-anode LED display energy conservation method of supplying power to and circuit - Google Patents
A kind of common-anode LED display energy conservation method of supplying power to and circuit Download PDFInfo
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- CN110288941A CN110288941A CN201910662707.1A CN201910662707A CN110288941A CN 110288941 A CN110288941 A CN 110288941A CN 201910662707 A CN201910662707 A CN 201910662707A CN 110288941 A CN110288941 A CN 110288941A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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Abstract
The invention discloses a kind of common-anode LED display energy conservation method of supplying power to and circuits, are related to control system technical field, this method comprises: the output head anode of the first power supply and the output head anode of second source and the anode of three-color LED lamp bead link together；The cathode of red LED lamp bead is connect with the negative pole of output end of first power supply；The cathode of blue led lamp bead and green LED lamp bead is connect with the negative pole of output end of the second source；Output voltage by controlling first power supply and second source makes the three-color LED lamp bead obtain preset supply voltage；It is that different colored lights are accurately powered by dual power supply, reduces power consumption, improve display effect.
Description
Technical field
The present invention relates to control system technical field more particularly to a kind of common-anode LED display energy conservation method of supplying power to and
Circuit.
Background technique
LED display is the giant display being spliced by the small display module of muti-piece by a variety of different modes, it
By the luminous display to realize the various media communications such as text, image, video for controlling light emitting diode.LED light is a kind of
More efficient light source, but LED display has usually contained tens of thousands of a LED light, every square meter power consumption is still higher, with open air
For full-color P10, power is close to 1000-1200w/ ㎡；Meanwhile LED light is as a kind of current mode device, when work, can produce
Raw a large amount of heat, these heats do not mean only that the waste and service life that is inefficient, but also can reducing LED light of the energy,
Largely influence the display effect of LED display.
The LED light of full color display is formed by three LED packages of red, green, blue, and the anode of three lamps is mutual
Conducting, usually using 5V power voltage supply (i.e. to the identical voltage of anode supply of three kinds of lamp beads of red, green, blue).When electric using 5V
When pressure is LED light power supply, electric current often reaches tens amperes, and a part of voltage is inevitably lost in wire rod, generates
Energy loss；Voltage be applied to red light, green light, blue lamp circuit in, since the operating voltage of red light is in 2.2V or so, green light and
For the operating voltage of blue lamp in 3.2V or so, the conducting voltage of red light is lower, and in red light circuit, red light drives the pressure drop in IC more
Height, and the calorific value of IC is driven to be positively correlated with its pressure drop, so that entire LED line road generates very high heat, so that LED display
Power consumption is high, and display effect is deteriorated because of the influence of temperature rise, and the heat dissipation design of display screen needs to put into very high cost.
Summary of the invention
It is a primary object of the present invention to propose a kind of common-anode LED display energy conservation method of supplying power to and circuit, by double
Power supply is that different colored lights are accurately powered, and reduces power consumption, improves display effect.
To achieve the above object, a kind of common-anode LED display energy conservation method of supplying power to provided by the invention, comprising:
The output head anode of first power supply and the output head anode of second source and the anode of three-color LED lamp bead are connected to one
It rises；
The cathode of red LED lamp bead is connect with the negative pole of output end of first power supply；Blue led lamp bead and green LED
The cathode of lamp bead is connect with the negative pole of output end of the second source；
Output voltage by controlling first power supply and second source makes the three-color LED lamp bead obtain preset confession
Piezoelectric voltage.
Optionally, the anode of the output head anode of the first power supply and the output head anode of second source and three-color LED lamp bead
It links together and includes:
The output head anode of first power supply is connected to row pipe IC's together with the output head anode of the second source
One end；The other end of the row pipe IC and the anode of three-color LED lamp bead link together.
Optionally, the cathode of the red LED lamp bead is connect with the negative pole of output end of first power supply；Blue LED lamp
The cathode of pearl and green LED lamp bead is connect with the negative pole of output end of the second source
The cathode of red LED lamp bead drives IC to connect with the negative pole of output end of first power supply by red LED lamp bead；
The cathode of green LED lamp bead drives IC to connect with the negative pole of output end of the second source by green LED lamp bead；
The cathode of blue led lamp bead drives IC to connect with the negative pole of output end of the second source by blue led lamp bead.
Optionally, the output voltage by controlling first power supply and second source makes the three-color LED lamp bead
Obtaining preset supply voltage includes:
The output head anode current potential of first power supply and the output head anode current potential of the second source are equal；
The negative pole of output end current potential for adjusting first power supply makes the red LED lamp bead obtain preset first power supply
Voltage；
The negative pole of output end current potential for adjusting the second source obtains the green LED lamp bead and blue led lamp bead pre-
If the second supply voltage.
Optionally, the row pipe IC is also connected with row control signal.
Optionally, the red LED lamp bead driving IC is also connected with Red color control signal；The green LED lamp bead driving
IC is also connected with green color control signal；The blue led lamp bead driving IC is also connected with Blue color control signal.
As another aspect of the present invention, a kind of common-anode LED display energy conservation power supply circuit for providing, comprising: first
Power supply, second source, red LED lamp bead, green LED lamp bead and blue led lamp bead；Wherein, the output head anode of the first power supply
It links together with the output head anode of second source and the anode of three-color LED lamp bead；The cathode of red LED lamp bead and described the
The negative pole of output end of one power supply connects；The output end of the cathode of blue led lamp bead and green LED lamp bead and the second source is negative
Pole connection；Output voltage by controlling first power supply and second source makes the three-color LED lamp bead obtain preset confession
Piezoelectric voltage.
It optionally, further include row pipe IC and red LED lamp bead driving IC, green LED lamp bead driving IC and blue led lamp bead
IC is driven, the output head anode of first power supply is connected to the one of row pipe IC together with the output head anode of the second source
End；The other end of the row pipe IC and the anode of three-color LED lamp bead link together；The cathode of red LED lamp bead passes through red
LED lamp bead driving IC is connect with the negative pole of output end of first power supply；The cathode of green LED lamp bead passes through green LED lamp bead
Driving IC is connect with the negative pole of output end of the second source；The cathode of blue led lamp bead by blue led lamp bead drive IC with
The negative pole of output end of the second source connects.
A kind of common-anode LED display energy conservation method of supplying power to and circuit proposed by the present invention, this method comprises: the first power supply
Output head anode and the output head anode of second source and the anode of three-color LED lamp bead link together；Red LED lamp bead
Cathode is connect with the negative pole of output end of first power supply；The cathode of blue led lamp bead and green LED lamp bead and second electricity
The negative pole of output end in source connects；Output voltage by controlling first power supply and second source makes the three-color LED lamp bead
Obtain preset supply voltage；It is that different colored lights are accurately powered by dual power supply, reduces power consumption, improve display effect.
Detailed description of the invention
Fig. 1 is a kind of flow chart for common-anode LED display energy conservation method of supplying power to that the embodiment of the present invention one provides；
Fig. 2 is a kind of circuit diagram of common-anode LED display energy conservation power supply circuit provided in an embodiment of the present invention；
Fig. 3 is the method flow diagram of step S20 in Fig. 1；
Fig. 4 is the method flow diagram of step S30 in Fig. 1.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
In subsequent description, it is only using the suffix for indicating such as " module ", " component " or " unit " of element
Be conducive to explanation of the invention, itself there is no a specific meaning.Therefore, " module ", " component " or " unit " can mix
Ground uses.
Embodiment one
As shown in Figure 1, in the present embodiment, a kind of common-anode LED display energy conservation method of supplying power to, comprising:
The anode of S10, the output head anode of the output head anode of the first power supply and second source and three-color LED lamp bead connect
Together；
S20, red LED lamp bead cathode connect with the negative pole of output end of first power supply；Blue led lamp bead and green
The cathode of LED lamp bead is connect with the negative pole of output end of the second source；
S30, preset the three-color LED lamp bead by controlling the output voltage of first power supply and second source
Supply voltage.
In the present embodiment, it is that different colored lights are accurately powered by dual power supply, reduces power consumption, improve display effect.
In the present embodiment, common-anode LED display energy conservation power supply circuit is as shown in Figure 2, wherein two power supplys are (such as
3.3V and 3.9V) it is transmitted with control signal with cable, the red, green, blue of the common-anode LED light routinely encapsulated is given by same a line pipe IC
Lamp bead is accurately powered, by the output positive and negative charge (V shown in figure for controlling two power supplys0, V1, V2) current potential come it is real
The accurate power supply of existing red, green, blue lamp bead.
In the present embodiment, two power supplys are all exchange input direct-current output, and input terminal can be directly accessed alternating current
220V, output end voltage are direct current, can according to need and voluntarily adjust, for example, can make V1For 1V, V2For 0V, V0For 3.2V,
The work of red light is allowed in this way in 2.2V voltage or so, and the work of green light and blue lamp is in 3.2V voltage or so.
In the present embodiment, the output end of two power supplys is linked together by row pipe IC and the anode of three-color LED lamp bead,
This is typical common-anode power supply plan, and compared with common cathode power supply plan, this case does not need to determine driving IC and LED light
System can be used conventional LED light and driving IC, and compare with conventional electron scheme and only need two without increasing more multirow pipe IC
A power supply, strong applicability is at low cost, and feasibility is high, by control the positive and negative electrode potential of output of two power supplys come to red light and it is green,
Blue lamp provides suitable voltage, can effectively reduce the pressure drop of constant current driving IC in LED lamp drive circuit, and then reduces heat damage
Consumption, reaches energy-efficient effect, while decreasing temperature rise, guarantees display effect when LED display works long hours.
In the present embodiment, the row pipe IC is also connected with row control signal.The effect of row pipe IC is by the row control
Signal processed controls the light on and off of certain row LED light, can see switch as.
In the present embodiment, as shown in Fig. 2, the output head anode current potential of two power supplys is all V0, imported through space pipe IC
Into the common-anode LED light routinely encapsulated, the cathode of red light is followed by the negative pole of output end (V of power supply one through the IC that overdrives1) shape
At circuit, similarly green, blue lamp cathode is followed by the negative pole of output end (V of power supply two through the IC that overdrives2) forming circuit.Pass through control
Two power supplys are made, the negative pole of output end current potential V of power supply one is made1Than the negative pole of output end current potential V of power supply two2Height (such as V1=1V, V2
=0), and its output head anode is all V0=3.2V so can be by controlling V0、V1、V2Size make RGB
Tri coloured lantern obtains more suitable supply voltage respectively, drives the pressure on IC according to this to reduce red, blue, green light circuit in constant current
Drop.Relative to traditional power supply plan, since the present embodiment has input more suitable voltage V0And current potential V1Raise and keep red light electric
Drive the pressure drop of IC lower in the bluish-green circuit for lamp of pressure drop ratio of constant current driving IC in road；Similarly more suitable voltage V0Also make it is green,
The pressure drop of constant current driving IC is reduced in blue lamp circuit, to reduce the fever of driving IC, and then reaches energy-efficient effect.
In the present embodiment, the step S10 includes:
The output head anode of first power supply is connected to row pipe IC's together with the output head anode of the second source
One end；The other end of the row pipe IC and the anode of three-color LED lamp bead link together.
As shown in figure 3, in the present embodiment, the step S20 includes:
S21, red LED lamp bead cathode by red LED lamp bead drive IC and first power supply negative pole of output end
Connection；
S22, green LED lamp bead cathode by green LED lamp bead drive IC and the second source negative pole of output end
Connection；
S23, blue led lamp bead cathode by blue led lamp bead drive IC and the second source negative pole of output end
Connection.
In the present embodiment, driving signal is also connected on the driving IC；It is connected on red LED lamp bead driving IC red
Color driving signal；Green driving signal is connected on green LED lamp bead driving IC；Indigo plant is connected on blue led lamp bead driving IC
Color driving signal.
As shown in figure 4, in the present embodiment, the step S30 includes:
The output head anode current potential of S31, the output head anode current potential of first power supply and the second source are equal；
The negative pole of output end current potential of S32, adjustment first power supply, make the red LED lamp bead obtain preset first
Supply voltage；
The negative pole of output end current potential of S33, the adjustment second source, obtain the green LED lamp bead and blue led lamp bead
Obtain preset second supply voltage.
In the present embodiment, the red LED lamp bead driving IC is also connected with Red color control signal；The green LED lamp
Pearl driving IC is also connected with green color control signal；The blue led lamp bead driving IC is also connected with Blue color control signal.
In the present embodiment, by controlling the positive and negative electrode potential of output of two power supplys come suitable to red light and green, blue offer
Voltage, the pressure drop of the driving of constant current in LED lamp drive circuit IC can be effectively reduced, and then reduce thermal losses, reach energy conservation
Effect, while decreasing temperature rise, guarantee display effect when LED display works long hours.
Embodiment two
As shown in Fig. 2, in the present embodiment, a kind of common-anode LED display energy conservation power supply circuit provided, comprising: the
One power supply, second source, red LED lamp bead, green LED lamp bead and blue led lamp bead；Wherein, the output of the first power supply is rectified
The anode of the output head anode and three-color LED lamp bead of pole and second source links together；The cathode of red LED lamp bead with it is described
The negative pole of output end of first power supply connects；The output end of the cathode of blue led lamp bead and green LED lamp bead and the second source
Cathode connection；It is preset that output voltage by controlling first power supply and second source obtains the three-color LED lamp bead
Supply voltage.
It in the present embodiment, further include row pipe IC and red LED lamp bead driving IC, green LED lamp bead driving IC and blue
LED lamp bead drives IC, and the output head anode of first power supply is connected to row together with the output head anode of the second source
One end of pipe IC；The other end of the row pipe IC and the anode of three-color LED lamp bead link together；The cathode of red LED lamp bead
IC is driven to connect with the negative pole of output end of first power supply by red LED lamp bead；The cathode of green LED lamp bead passes through green
LED lamp bead driving IC is connect with the negative pole of output end of the second source；The cathode of blue led lamp bead passes through blue led lamp bead
Driving IC is connect with the negative pole of output end of the second source.
In the present embodiment, the GND of red light driving IC is connected with the negative pole of output end of power supply one, green, blue lamp driving IC
GND is connected with the negative pole of output end of power supply two, makes to drive the GND current potential of IC consistent with the negative pole of output end current potential of corresponding power.
In the present embodiment, two kinds of supply voltages namely the first power supply power supply one shown in Fig. 2 are introduced for each mould group
With second source power supply two, pass through the output positive and negative charge (V shown in figure of two power supplys of control0, V1, V2) current potential come it is real
The accurate power supply of existing red, green, blue lamp bead.
In the present embodiment, two power supplys are all exchange input direct-current output, and input terminal can be directly accessed alternating current
220V, output end voltage are direct current, can according to need and voluntarily adjust, for example, can make V1For 1V, V2For 0V, V0For 3.2V,
The work of red light is allowed in this way in 2.2V voltage or so, and the work of green light and blue lamp is in 3.2V voltage or so.
As another embodiment, the power supply can also be selected according to the parameter adaptation of display screen.
In the present embodiment, the output end of two power supplys is linked together by row pipe IC and the anode of three-color LED lamp bead,
This is typical common-anode power supply plan, and compared with common cathode power supply plan, this case does not need to determine driving IC and LED light
System can be used conventional LED light and driving IC, and only need two power supplys, and strong applicability is at low cost, and feasibility is high, passes through
The positive and negative electrode potential of output for controlling two power supplys to provide suitable voltage to red light and green, blue lamp, can effectively reduce LED light
The pressure drop of constant current driving IC in driving circuit, and then thermal losses is reduced, reach energy-efficient effect, while decreasing temperature rise,
Guarantee display effect when LED display works long hours.
In the present embodiment, the row pipe IC is also connected with row control signal.The effect of row pipe IC is by the row control
Signal processed controls the light on and off of certain row LED light, can see switch as.
In the present embodiment, as shown in Fig. 2, the output head anode current potential of two power supplys is all V0, imported through space pipe IC
Into the common-anode LED light routinely encapsulated, the cathode of red light is followed by the negative pole of output end (V of power supply one through the IC that overdrives1) shape
At circuit, similarly green, blue lamp cathode is followed by the negative pole of output end (V of power supply two through the IC that overdrives2) forming circuit.Pass through control
Two power supplys are made, the negative pole of output end current potential V of power supply one is made1Than the negative pole of output end current potential V of power supply two2Height (such as V1=1V, V2
=0), and its output head anode is all V0=3.2V so can be by controlling V0、V1、V2Size make RGB
Tri coloured lantern obtains more suitable supply voltage respectively, drives the pressure on IC according to this to reduce red, blue, green light circuit in constant current
Drop.Relative to traditional power supply plan, since the present embodiment has input more suitable voltage V0And current potential V1Raise and keep red light electric
Drive the pressure drop of IC lower in the bluish-green circuit for lamp of pressure drop ratio of constant current driving IC in road；Similarly more suitable voltage V0Also make it is green,
The pressure drop of constant current driving IC is reduced in blue lamp circuit, to reduce the fever of driving IC, and then reaches energy-efficient effect.
As another embodiment, the output head anode of two power supplys imported into the common-anode routinely encapsulated through space pipe IC
It in a package include several groups RGB lamp bead in LED light, the cathode of all red lights is followed by the output of power supply one through the IC that overdrives
Hold cathode (V1) forming circuit, similarly, all green, blue lamp cathode are followed by the negative pole of output end of power supply two through the IC that overdrives
(V2) forming circuit.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (8)
1. a kind of common-anode LED display energy conservation method of supplying power to characterized by comprising
The output head anode of first power supply and the output head anode of second source and the anode of three-color LED lamp bead link together；
The cathode of red LED lamp bead is connect with the negative pole of output end of first power supply；Blue led lamp bead and green LED lamp bead
Cathode connect with the negative pole of output end of the second source；
Output voltage by controlling first power supply and second source makes the three-color LED lamp bead obtain preset power supply electricity
Pressure.
2. a kind of common-anode LED display energy conservation method of supplying power to according to claim 1, which is characterized in that the first power supply
Output head anode and the output head anode of second source and the anode of three-color LED lamp bead link together and include:
The output head anode of first power supply is connected to one end of row pipe IC together with the output head anode of the second source；
The other end of the row pipe IC and the anode of three-color LED lamp bead link together.
3. a kind of common-anode LED display energy conservation method of supplying power to according to claim 2, which is characterized in that the red
The cathode of LED lamp bead is connect with the negative pole of output end of first power supply；The cathode of blue led lamp bead and green LED lamp bead with
The negative pole of output end of the second source connects
The cathode of red LED lamp bead drives IC to connect with the negative pole of output end of first power supply by red LED lamp bead；
The cathode of green LED lamp bead drives IC to connect with the negative pole of output end of the second source by green LED lamp bead；
The cathode of blue led lamp bead drives IC to connect with the negative pole of output end of the second source by blue led lamp bead.
4. a kind of common-anode LED display energy conservation method of supplying power to according to claim 3, which is characterized in that described to pass through
The output voltage for controlling first power supply and second source makes the three-color LED lamp bead obtain preset supply voltage
The output head anode current potential of first power supply and the output head anode current potential of the second source are equal；
The negative pole of output end current potential for adjusting first power supply makes the red LED lamp bead obtain preset first supply voltage；
The negative pole of output end current potential for adjusting the second source obtains the green LED lamp bead and blue led lamp bead preset
Second supply voltage.
5. a kind of common-anode LED display energy conservation method of supplying power to according to claim 2, which is characterized in that the row pipe
IC is also connected with row control signal.
6. a kind of common-anode LED display energy conservation method of supplying power to according to claim 3, which is characterized in that the red
LED lamp bead driving IC is also connected with Red color control signal；The green LED lamp bead driving IC is also connected with green color control signal；
The blue led lamp bead driving IC is also connected with Blue color control signal.
7. a kind of common-anode LED display energy conservation power supply circuit characterized by comprising the first power supply, second source, red
LED lamp bead, green LED lamp bead and blue led lamp bead；Wherein, the output end of the output head anode of the first power supply and second source
Anode and the anode of three-color LED lamp bead link together；The negative pole of output end of the cathode of red LED lamp bead and first power supply
Connection；The cathode of blue led lamp bead and green LED lamp bead is connect with the negative pole of output end of the second source；Pass through control institute
The output voltage for stating the first power supply and second source makes the three-color LED lamp bead obtain preset supply voltage.
8. a kind of common-anode LED display energy conservation power supply circuit according to claim 7, which is characterized in that further include row
Pipe IC and red LED lamp bead driving IC, green LED lamp bead driving IC and blue led lamp bead drive IC, first power supply it is defeated
Outlet anode is connected to one end of row pipe IC together with the output head anode of the second source；The other end of the row pipe IC with
The anode of three-color LED lamp bead links together；The cathode of red LED lamp bead drives IC and described first by red LED lamp bead
The negative pole of output end of power supply connects；The cathode of green LED lamp bead drives the defeated of IC and the second source by green LED lamp bead
The connection of outlet cathode；The cathode of blue led lamp bead drives the negative pole of output end of IC and the second source by blue led lamp bead
Connection.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111091779A (en) * | 2019-12-12 | 2020-05-01 | 深圳蓝普科技有限公司 | Display screen debugging method, device, equipment and computer readable storage medium |
| CN111508425A (en) * | 2020-05-28 | 2020-08-07 | 厦门强力巨彩光电科技有限公司 | Common anode display screen control circuit |
| CN113012625A (en) * | 2020-08-20 | 2021-06-22 | 重庆康佳光电技术研究院有限公司 | LED display circuit and LED display device |
| CN118335733A (en) * | 2024-04-01 | 2024-07-12 | 山西高科华兴电子科技有限公司 | 4PIN lamp bead structure of independent virtual pixel and production process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201725543U (en) * | 2010-06-07 | 2011-01-26 | 福建科维光电科技有限公司 | LED full-color screen energy-saving circuit |
| CN206134209U (en) * | 2016-08-24 | 2017-04-26 | 合肥集创微电子科技有限公司 | LED display screen and control circuit thereof |
| CN206601943U (en) * | 2017-01-20 | 2017-10-31 | 深圳市易事达电子有限公司 | Led display circuit and display screen |
| CN109377938A (en) * | 2018-11-16 | 2019-02-22 | 上海得倍电子技术有限公司 | A kind of constant-current control device of LED display |
-
2019
- 2019-07-22 CN CN201910662707.1A patent/CN110288941A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201725543U (en) * | 2010-06-07 | 2011-01-26 | 福建科维光电科技有限公司 | LED full-color screen energy-saving circuit |
| CN206134209U (en) * | 2016-08-24 | 2017-04-26 | 合肥集创微电子科技有限公司 | LED display screen and control circuit thereof |
| CN206601943U (en) * | 2017-01-20 | 2017-10-31 | 深圳市易事达电子有限公司 | Led display circuit and display screen |
| CN109377938A (en) * | 2018-11-16 | 2019-02-22 | 上海得倍电子技术有限公司 | A kind of constant-current control device of LED display |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111091779A (en) * | 2019-12-12 | 2020-05-01 | 深圳蓝普科技有限公司 | Display screen debugging method, device, equipment and computer readable storage medium |
| CN111091779B (en) * | 2019-12-12 | 2021-07-13 | 深圳蓝普科技有限公司 | Display screen debugging method, device, equipment and computer readable storage medium |
| CN111508425A (en) * | 2020-05-28 | 2020-08-07 | 厦门强力巨彩光电科技有限公司 | Common anode display screen control circuit |
| CN113012625A (en) * | 2020-08-20 | 2021-06-22 | 重庆康佳光电技术研究院有限公司 | LED display circuit and LED display device |
| CN118335733A (en) * | 2024-04-01 | 2024-07-12 | 山西高科华兴电子科技有限公司 | 4PIN lamp bead structure of independent virtual pixel and production process |
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