CN101636023B - Light emitting diode control system using carrier signals - Google Patents
Light emitting diode control system using carrier signals Download PDFInfo
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- CN101636023B CN101636023B CN2009101476141A CN200910147614A CN101636023B CN 101636023 B CN101636023 B CN 101636023B CN 2009101476141 A CN2009101476141 A CN 2009101476141A CN 200910147614 A CN200910147614 A CN 200910147614A CN 101636023 B CN101636023 B CN 101636023B
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Abstract
The invention discloses a light emitting diode control system using carrier signals, comprising a computer, a data storing box, an alternating current power source, a power source converting circuit, a control circuit and a light emitting diode string light device. After receiving the alternating current power source, the power source converting circuit is converted into a direct current power source for providing a driving direct current voltage for the control circuit and the light emitting diode string light device. A user uses a computer to transmit a computer control data to the control circuit through the data storing box. The control circuit can convert the computer control data into an adjusting signal to be transmitted to the light emitting diode string light device through the same transmission wire used for transmitting the driving direct current voltage so as to cause a lightening change. Because the same transmission wire is used for transmitting the direct current voltage and the adjusting signal, the cost of wire materials can be reduced.
Description
Technical field
The invention relates to a kind of LED control system, particularly a kind of LED control system that uses carrier signal.
Background technology
The LED light string module can be divided into tandem and parallel two kinds of connected modes haply at present, and the LED light string module of this dual mode also extensively is used in building outward appearance, trees, signboard and makes on scenery by the user, and is beautiful with the outward appearance that increases these things.
And at known in-line LED light string module, that the LED light string module that will organize is connected in series more, and the series connection quantity of LED light string module is to decide according to the object volume size of coiling, and by the controller of first LED light string module, the LED light lamp group of all LED light string modules controlled after series connection.Although, the in-line connected mode of this kind, making the LED light string module be easy to series connection uses, but in use, when as long as one group of LED light string module fault is arranged, to cause control signal to transmit, and cause the LED light string module of back segment of the LED light string module of this group fault not receive any control signal, and cause the LED light string module of back segment all can't be lit.
In addition, be that LED light string module and this controller that will organize is connected in parallel more at parallel LED light string module, each LED light string module will have a control line and addressing line to control.If during the LED light string module of 10 groups in parallel, this controller just must utilize 10 control lines and 10 addressing lines to control 10 groups of LED light string modules.This kind is in use parallel, when having one group of LED light string module to break down, will can not have influence on the control of other LED light string modules.But when LED light string module quantity in parallel was more, control line and addressing line were more relatively, caused the complexity of circuit, be difficult for making, and cost were high.
No matter yet be tandem or parallel connected mode, all need use most power line or holding wire, reach the purpose that makes LED light string module variations in light.And in the situation that raw material rise now is day by day serious, the use that can reduce transmission line just can reduce costs widely.
Summary of the invention
Therefore purpose of the present invention is namely providing a kind of LED control system that uses carrier signal, saves the cost-effective purpose of wire rod so as to reaching.
For reaching the purpose of the invention described above, the LED control system of use carrier signal of the present invention is controlled data storing in a data storing box with a computer, and controls the lumination of light emitting diode variation with the data-signal that this data storing box is exported.This system comprises: a power-switching circuit, in order to an AC power is converted to a direct current power supply output; One control circuit is electrically connected to this power-switching circuit, in order to receive this data-signal that this DC power supply that this power-switching circuit exports and this data storing box export and to be a modulating signal with this data-signal carrier modulation; And a plurality of lumination of light emitting diode circuit, be to form electrically with a transmission line and this control circuit to be connected in series, be electrically connected to this control circuit, this DC power supply and this modulating signal exported in order to receive this control circuit are to produce the variation that flickers of cresset.
Description of drawings
Fig. 1 is the LED control system Organization Chart of use carrier signal of the present invention.
Fig. 5 is control circuit of the present invention and flooring lamp inner bay composition.
Fig. 3 is lumination of light emitting diode inside circuit framework flow chart of the present invention.
Fig. 4 is the modulating signal sequential chart that transmits between lumination of light emitting diode circuit of the present invention.
Fig. 5 is the schematic diagram of modulating signal of the present invention (upper surface curve) and signal (lower surface curve).
Fig. 6 A is the embodiment schematic diagram of modulation of the present invention unit.
Fig. 6 B is the embodiment schematic diagram of demodulation unit of the present invention.
Fig. 7 is another embodiment schematic diagram of the LED control system of use carrier signal of the present invention.
Fig. 8 is the another kind of inside structure flow chart of lumination of light emitting diode circuit of the present invention.
The main element symbol description:
Computer 2 data storing boxes 4
AC power 6 power-switching circuits 8
The first modulation unit 106
Lumination of light emitting diode circuit 140_1 to 140_N (blanket with 140)
Signal acquisition unit C amplifying unit 142
Red light-emitting diode 148R green light LED 148G
Blue light-emitting diode 148B the first constant current source 150R
The second constant current source 150G the 3rd constant current source 150B
Output temporary storage location 152 bolt-lock unit 153
Identification andlogic control unit 156 countings and displacement temporary storage location 158
The first LED light string 15A
The second LED light string 15B
The first flooring lamp 14A
The second flooring lamp 14B
Embodiment
About feature of the present invention and enforcement, hereby coordinate accompanying drawing to be described in detail as follows as most preferred embodiment:
Please refer to Fig. 1, it is the LED control system Organization Chart for use carrier signal of the present invention, and this LED control system comprises a computer 2, a data storing box 4, an AC power 6, a power-switching circuit 8, a control circuit 10 and a flooring lamp 14.This computer 2 is to be electrically connected to this data storing box 4; This AC power 6 is to be electrically connected to this power-switching circuit 8; This control circuit 10 is to be electrically connected to this data storing box 4, this power-switching circuit 8 and this flooring lamp 14.The workflow of system architecture diagram of the present invention is as follows: the user is by this computer 2, a computer of controlling this flooring lamp 14 is controlled data storing in this data storing box 4, and transfer to this control circuit 10 by this data storing box 4, to control this flooring lamp 14 variations in light.This data storing box 4 transmits a data-signal to this control circuit 10.This control circuit 10 can be with this data-signal modulation to produce a modulating signal, in order to transmission.After this power-switching circuit 8 receives this AC power 6, convert a direct current power supply (for example converting civil power 220 volts AC to 220 volt direct currents) to, on the transmission line identical with this modulating signal of this flooring lamp 14 of transfer control, provide the driving direct voltage to give this control circuit 10 and this flooring lamp 14.
Please refer to Fig. 2, it is to be control circuit 10 of the present invention and flooring lamp 14 inner bay compositions.This control circuit 10 comprises a voltage regulation unit (voltage stabilizing didoe) 102, a micro-control unit 104 and one first modulation unit 106.This micro-control unit 104 is to be electrically connected to this data storing box 4, this voltage regulation unit 102, this power-switching circuit 8, this first modulation unit 106 and this flooring lamp 14.This first modulation unit 106 is to be electrically connected to this voltage regulation unit 102, this power-switching circuit 8, this micro-control unit 104 and this flooring lamp 14.This flooring lamp 14 comprises a plurality of lumination of light emitting diode circuit 140_1 to 140_N (hereinafter blanket with 140).Those lumination of light emitting diode circuit 140 are to be electrically connected to be cascaded, and wherein the end of first lumination of light emitting diode circuit 140_1 is electrically connected to this voltage regulation unit 102, this micro-control unit 104 and this first modulation unit 106.
The work relationship of control circuit 10 of the present invention and flooring lamp 14 is as described below: this power-switching circuit 8 transmits High Level DC Voltages (for example 220 volt direct currents), and this voltage regulation unit 102 is to provide this micro-control unit 104 and this first modulation unit 106 drives direct voltages.After this micro-control unit 104 receives this data-signal that transmits from this data storing box 4, be sent to this first modulation unit 106, carry out carrier modulation and process to produce this modulating signal (seeing aftermentioned for details), via the transmission line identical with transmitting electric power, be sent to this flooring lamp 14 afterwards.After this first lumination of light emitting diode circuit 140_1 receives the electric power and modulating signal that transmits from this control circuit 10, drive the light-emitting diode variation luminous, and electric power and modulating signal are sent to next lumination of light emitting diode circuit 140_2.
Please refer to Fig. 3, it is to be lumination of light emitting diode circuit 140 inside structure flow charts of the present invention.this lumination of light emitting diode circuit 140 comprises a signal acquisition unit C (electric capacity), one amplifying unit 142, one demodulation unit 144, one voltage-adjusting unit 146, one red light-emitting diode 148R, one green light LED 148G, one blue light-emitting diode 148B, one first constant current source 150R, one second constant current source 150G, one the 3rd constant current source 150B, one output temporary storage location 152, one bolt-lock unit 153, one filter unit 154, one identification andlogic control unit 156, one counting and displacement temporary storage location 158, one coding unit 160 and one second modulation unit 162.For first lumination of light emitting diode circuit 140_1, the expression of vdd terminal point comes from electric power and the modulating signal end points of aforementioned control circuit 10; For lumination of light emitting diode circuit 140_2 thereafter, the expression of vdd terminal point comes from electric power and the modulating signal end points of previous lumination of light emitting diode circuit 140_1, by that analogy.For first lumination of light emitting diode circuit 140_1, the VSS end points represents to be sent to the exit point of next lumination of light emitting diode circuit 140_2; For lumination of light emitting diode circuit 140_2 thereafter, the VSS end points represents to be sent to the exit point of next lumination of light emitting diode circuit 140_3, by that analogy (namely, for a lumination of light emitting diode circuit 140, vdd terminal point expression input endpoint, the VSS end points represents exit point).The VCC end points represents that the input that these voltage-adjusting unit 146 outputs drive direct voltage and each aforementioned unit drives the direct voltage end points.
More specifically, this vdd terminal point is to be electrically connected to this VSS end points by this voltage-adjusting unit 146; Be electrically connected to this amplifying unit 142 by this signal acquisition unit C; Be electrically connected to this first constant current source 150R by this red light-emitting diode 148R; Be electrically connected to this second constant current source 150G by this green light LED 148G; Be electrically connected to the 3rd constant current source 150B by this blue light-emitting diode 148B.This filter unit 154 is to be electrically connected to this amplifying unit 142 by this demodulation unit 144.This counting and displacement temporary storage location 158 are to be electrically connected to this filter unit 154 by this identification andlogic control unit 156; Be electrically connected to this output temporary storage location 152 by this bolt-lock unit 153; Be electrically connected to this second modulation unit 162 by this coding unit 160.This output temporary storage location 152 is electrically connected to this first constant current source 150R, this second constant current source 150G, the 3rd constant current source 150B.This second modulation unit 162 is electrically connected to this VSS end points.
Lumination of light emitting diode circuit 140 inside structure flow processs of the present invention are described below: this signal acquisition unit C (electric capacity) has stopped that the direct voltage of this vdd terminal point enters the unit of other processing AC signal of this amplifying unit 142 etc., only passes through for this modulating signal.The direct voltage of this vdd terminal point inputs to this voltage-adjusting unit 146 produce driving the direct voltage VCC2 of each unit, and transmit this direct voltage VCC2 to each unit with the driving direct voltage as each unit.This voltage-adjusting unit 146 also exports the input endpoint VDD of next lumination of light emitting diode circuit 140 to via this VSS end points.after stopping that via signal acquisition unit C (electric capacity) direct current has captured AC signal from the control light-emitting diode modulating signal of this vdd terminal point, after this AC signal enters this amplifying unit 142, first carry out the operation that signal amplifies, then enter this demodulation unit 144, carry out the solution modulation of signal, then pass through this filter unit 154, with the recovering signal waveform, again after this identification andlogic control unit 156 picks out the data content and clock pulse of signal, carry out shifting function by this data content and clock pulse, this data content is moved into this counting and displacement temporary storage location 158, if through receiving that end signal decided at the higher level but not officially announced will be counted after a plurality of signals and the data content of displacement temporary storage location 158 is fastened by this bolt-lock unit 153 and is locked to this output temporary storage location 152, with this red light-emitting diode 148R, the brightness of this green light LED 148G and this blue light-emitting diode 148B and whether luminous this data content that shows, this counting and displacement temporary storage location 158 also are sent to this data content this coding unit 160 simultaneously, the operation of encoding, be resent to afterwards this second modulation unit 162, carry out carrier modulation and become modulating signal, be sent to next lumination of light emitting diode circuit 140 via end points VSS.Wherein this first constant current source 150R, this second constant current source 150G and the 3rd constant current source 150B provide to decide electric current and receive the data content that this output temporary storage location 152 is exported.
The transmission of above-mentioned this modulating signal is to be tandem, can also parallelly reach.Meaning i.e. this modulating signal is processed through separating modulation and circuit after entering this lumination of light emitting diode circuit 140, and whether each this lumination of light emitting diode circuit 140 is differentiated is the signal of itself.If stored; If not ignored, and 162 it is passed through this second modulation unit.Reach such handling procedure, must each this lumination of light emitting diode circuit 140 have the numbering of oneself, compare with the numbering of itself and the address signal of coming in.So when starting, an automatic number system need be arranged.This can utilize very simple technology to reach, after for example starting this micro-control unit 104 send one group for " 0 " and address to first this lumination of light emitting diode circuit 140_1.First this lumination of light emitting diode circuit 140_1 general's storage also adds one and then 162 it is passed through this second modulation unit, sends to second this lumination of light emitting diode circuit 140_2.Stored after second this lumination of light emitting diode circuit 140_2 receives and added one and then 162 it is delivered to the 3rd this lumination of light emitting diode circuit 140_3 through this second modulation unit.By that analogy, this lumination of light emitting diode circuit 140_N to the last.Last this lumination of light emitting diode circuit 140_N still moves according to this and is added one and then is transmitted back to this micro-control unit 104.So this micro-control unit 104 is just known total total what these lumination of light emitting diode circuit 140, and has all numbered and completed.Its circuit framework as shown in Figure 8.Fig. 8 comprises an address temporary storage location 166, is electrically connected to this identification andlogic control unit 156.
Please refer to Fig. 7, it is the modulating signal sequential chart that transmits between lumination of light emitting diode circuit 140 of the present invention, wherein under Fig. 4, part is depicted as the modulating signal that send for N lumination of light emitting diode circuit 140_N, but the order that relates to color is not subjected to limit shown in accompanying drawing.As previously mentioned, will count to fasten by this bolt-lock unit 153 with the data content of displacement temporary storage location 158 and be locked to this output temporary storage location 152 when receiving end signal decided at the higher level but not officially announced (END), with brightness and the variations in light of control light-emitting diode.Moreover each x lumination of light emitting diode circuit 140_x all can deliver to modulating signal shown in Figure 4 next stage lumination of light emitting diode circuit 140 (x+1).
Referring to Fig. 5, schematic diagram for modulating signal (upper surface curve) and signal (lower surface curve), this signal can be used PWM (Pulse Width Modulation, pulse-width modulation) mode transmits digital signal (being 0110 in figure), can obtain modulating signal through after the carrier modulation of high frequency.Referring to Fig. 6 A and Fig. 6 B, be respectively the embodiment schematic diagram of the first modulation unit 106, the second modulation unit 162 and demodulation unit 144.
Referring to Fig. 7, use another embodiment schematic diagram of the LED control system of carrier signal for the present invention, wherein aforesaid this power-switching circuit 8 and this control circuit 10 can be integrated into a main control unit 10A.One first LED light string 15A comprises this main control unit 10A and one first flooring lamp 14A; One second LED light string 15B comprises aforesaid this power-switching circuit 8 and one second flooring lamp 14B.The modulating signal that this main control unit 10A produces can be delivered to this first flooring lamp 14A, and this second flooring lamp 14B, and the electric power of the second flooring lamp 14B is to be provided by this power-switching circuit 8, can control whereby the luminance of more multiple optical diode.Suppose each lumination of light emitting diode circuit across pressure drop be 4V, the embodiment of Fig. 1 can control (220/4)=55 a lumination of light emitting diode circuit; And Fig. 7 embodiment can control (220/4) * 2=110 lumination of light emitting diode circuit.
In sum, when knowing that the present invention has had practicality, novelty and creativeness, structure of the present invention had not also seen like product and open the use again, met the application for a patent for invention important document fully, therefore filed an application according to Patent Law.
Claims (8)
1. a LED control system that uses carrier signal, control data storing in a data storing box with a computer, and control the lumination of light emitting diode variation with the data-signal that this data storing box is exported, and this system comprises:
One power-switching circuit is in order to convert an AC power to one direct current power supply output;
One control circuit is electrically connected to this power-switching circuit, in order to receive this data-signal that this DC power supply that this power-switching circuit exports and this data storing box export and to be a modulating signal with this data-signal carrier modulation; And
A plurality of lumination of light emitting diode circuit are to form electrically with a transmission line and this control circuit to be connected in series, and are electrically connected to this control circuit, this DC power supply and this modulating signal exported in order to receive this control circuit, and with the variation that flickers of generation cresset,
Wherein, this lumination of light emitting diode circuit comprises:
One voltage-adjusting unit is electrically connected to this control circuit, the voltage of exporting in order to receive this control circuit, and adjust a specific voltage output;
One signal acquisition unit is electrically connected to this voltage-adjusting unit, in order to stop the DC power supply input, only passes through for this modulating signal;
One amplifying unit is electrically connected to this signal acquisition unit, in order to amplify the modulating signal of exporting this signal acquisition unit and to receive the power supply that this voltage-adjusting unit provides;
One demodulation unit is electrically connected to this amplifying unit, in order to separating this amplifying unit of modulation institute amplifying signal, and receives the power supply that this voltage-adjusting unit provides;
One filter unit is electrically connected to this demodulation unit, in order to the signal reduction that this demodulation unit is exported, and receives the power supply that this voltage-adjusting unit provides;
One identification andlogic control unit is electrically connected to this filter unit, in order to picking out the data content of this filter unit institute output signal, and receives the power supply that this voltage-adjusting unit provides;
One counting and displacement temporary storage location is electrically connected to this identification andlogic control unit, the data that transmit in order to receive this identification andlogic control unit, and export after receiving an end signal decided at the higher level but not officially announced, and receive the power supply that this voltage-adjusting unit provides;
One coding unit is electrically connected to this voltage-adjusting unit;
One second modulation unit is electrically connected to this coding unit, output and receive the power supply that this voltage-adjusting unit provides after the signal of exporting in order to this coding unit of carrier modulation;
One bolt-lock unit is electrically connected to this counting and displacement temporary storage location, in order to receiving the data content that this counting and displacement temporary storage location send and to fasten lock output, and receives the power supply that this voltage-adjusting unit provides;
One output temporary storage location is electrically connected to this bolt-lock unit, data of exporting in order to temporary this bolt-lock unit and receive the power supply that this voltage-adjusting unit provides;
A plurality of constant current sources are electrically connected to this output temporary storage location, decide electric current and receive the data content that this output temporary storage location is exported in order to provide;
A plurality of light-emitting diodes are electrically connected to those constant current sources, in order to accepting the data content that these a plurality of constant current sources export and decide electric current driving, and the flashing variation of carrying out cresset according to this data content.
2. the LED control system of use carrier signal as claimed in claim 1, is characterized in that, this power-switching circuit is the 220v AC power to be converted to the DC power supply of 220v.
3. the LED control system of use carrier signal as claimed in claim 1, in it is characterized in that, this control circuit comprises:
One voltage regulation unit is to be electrically connected with this power-switching circuit;
One micro-control unit is to be electrically connected with this power-switching circuit, this data-signal of exporting in order to receive this data storing box; And
One first modulation unit is and this power-switching circuit, this micro-control unit and this voltage regulation unit are electrically connected.
4. the LED control system of use carrier signal as claimed in claim 1, is characterized in that, this signal acquisition unit is a capacitor.
5. the LED control system of use carrier signal as claimed in claim 1, is characterized in that, these a plurality of light-emitting diodes are a red light-emitting diode, a green light LED and a blue light-emitting diode.
6. LED control system that uses carrier signal, one computer is controlled data storing in a data storing box, and control one first LED light string with the data-signal that this data storing box is exported, this first LED light string comprises:
One main control unit is in order to convert an AC power to one direct current power supply output and to export a modulating signal; And
A plurality of lumination of light emitting diode circuit are to form electrically with a transmission line and this main control unit to be connected in series, this DC power supply and this modulating signal exported in order to receive this main control unit, and export this modulating signal to one the second LED light string;
Wherein, this lumination of light emitting diode circuit comprises:
One voltage-adjusting unit is electrically connected to this main control unit, the voltage of exporting in order to receive this control circuit, and adjust a specific voltage output;
One signal acquisition unit is electrically connected to this voltage-adjusting unit, in order to stop the DC power supply input, only passes through for modulating signal;
One amplifying unit is electrically connected to this signal acquisition unit, in order to amplify the modulating signal of exporting this signal acquisition unit and to receive the power supply that this voltage-adjusting unit provides;
One demodulation unit is electrically connected to this amplifying unit, in order to separating this amplifying unit of modulation institute amplifying signal, and receives the power supply that this voltage-adjusting unit provides;
One filter unit is electrically connected to this demodulation unit, in order to the signal reduction waveform that this demodulation unit is exported, and receives the power supply that this voltage-adjusting unit provides;
One identification andlogic control unit is electrically connected to this filter unit, in order to picking out the data content of this filter unit institute output signal, and receives the power supply that this voltage-adjusting unit provides;
One counting and displacement temporary storage location is electrically connected to this identification andlogic control unit, the data that transmit in order to receive this identification andlogic control unit, and export after receiving an end signal decided at the higher level but not officially announced, and receive the power supply that this voltage-adjusting unit provides;
One coding unit is electrically connected to this voltage-adjusting unit;
One second modulation unit is electrically connected to this coding unit, output and receive the power supply that this voltage-adjusting unit provides after the signal of exporting in order to this coding unit of carrier modulation;
One bolt-lock unit is electrically connected to this counting and displacement temporary storage location, in order to receiving the data content that this counting and displacement temporary storage location send and to fasten lock output, and receives the power supply that this voltage-adjusting unit provides;
One output temporary storage location is electrically connected to this bolt-lock unit, data of exporting in order to temporary this bolt-lock unit and receive the power supply that this voltage-adjusting unit provides;
A plurality of constant current sources are electrically connected to this output temporary storage location, decide electric current and receive the data content that this output temporary storage location is exported in order to provide; And
A plurality of light-emitting diodes are electrically connected to those constant current sources, in order to accepting the data content that these a plurality of constant current sources export and decide electric current driving, and the flashing variation of carrying out cresset according to this data content.
7. the LED control system of use carrier signal as claimed in claim 6, is characterized in that, this main control unit is comprised of a power-switching circuit and a control circuit, and this control circuit comprises:
One voltage regulation unit is to be electrically connected with this power-switching circuit;
One micro-control unit is to be electrically connected with this power-switching circuit, this data-signal of exporting in order to receive this data storing box;
One first modulation unit is and this power-switching circuit, this micro-control unit and this voltage regulation unit are electrically connected.
8. the LED control system of use carrier signal as claimed in claim 7, is characterized in that, this first modulation unit is to receive the signal that this micro-control unit is exported, and produces this modulating signal to carry out carrier modulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101476141A CN101636023B (en) | 2008-07-25 | 2009-06-09 | Light emitting diode control system using carrier signals |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810134545 | 2008-07-25 | ||
| CN200810134545.6 | 2008-07-25 | ||
| CN2009101476141A CN101636023B (en) | 2008-07-25 | 2009-06-09 | Light emitting diode control system using carrier signals |
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| CN101636023A CN101636023A (en) | 2010-01-27 |
| CN101636023B true CN101636023B (en) | 2013-06-12 |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2013519993A (en) * | 2010-02-17 | 2013-05-30 | ネクスト ライティング コーポレイション | Illumination unit having an illumination strip having a light emitting element and a remote light emitting material |
| WO2015066069A1 (en) | 2013-10-28 | 2015-05-07 | Next Lighting Corp. | Linear lamp replacement |
| CN104981048B (en) * | 2014-04-14 | 2017-05-10 | 矽诚科技股份有限公司 | Light emitting diode driving system with carrier wave signal control |
| CN104181826B (en) * | 2014-08-06 | 2017-02-22 | 上海裕芯电子科技有限公司 | Method and system for transmitting control signals by use of power line |
| CN105472830B (en) * | 2014-09-04 | 2019-06-07 | 矽诚科技股份有限公司 | With can recording function LED light lamp, lamp string and system |
| US11617241B2 (en) | 2014-10-22 | 2023-03-28 | Semisilicon Technology Corp. | Pixel-controlled LED light string and method of operating the same |
| US9930734B2 (en) | 2014-10-22 | 2018-03-27 | Semisilicon Technology Corp. | Light emitting diode lamp with burnable function and light emitting diode lamp string with burnable function |
| US10231303B2 (en) | 2014-10-22 | 2019-03-12 | Semisilicon Technology Corp. | Light emitting diode lamp receiving contactless burning signal and system for the same and burning address method for the same |
| US11570866B2 (en) | 2014-10-22 | 2023-01-31 | Semisilicon Technology Corp. | Pixel-controlled LED light string and method of operating the same |
| US10874010B2 (en) | 2014-10-22 | 2020-12-22 | Semisilicon Technology Corp. | Pixel-controlled LED light with burnable sequence and method of operating the same |
| CN105992424B (en) * | 2015-01-27 | 2018-09-28 | 矽诚科技股份有限公司 | LED drive system |
| CN107333352B (en) * | 2016-04-29 | 2019-04-02 | 技嘉科技股份有限公司 | The control system and control method of light-emitting component |
| CN108278566B (en) * | 2018-01-31 | 2019-10-25 | 江苏飞天照明有限公司 | RGB synchronous intelligent lamp string |
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