CN101631407A - LED lamp integrating single wire transmission drive control chip - Google Patents
LED lamp integrating single wire transmission drive control chip Download PDFInfo
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- CN101631407A CN101631407A CN200810116668A CN200810116668A CN101631407A CN 101631407 A CN101631407 A CN 101631407A CN 200810116668 A CN200810116668 A CN 200810116668A CN 200810116668 A CN200810116668 A CN 200810116668A CN 101631407 A CN101631407 A CN 101631407A
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- drive control
- transmission drive
- control chip
- single wire
- wire transmission
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Abstract
The invention discloses an LED lamp integrating a single wire transmission drive control chip, which comprises an encapsulating colloid, a tube core and the single wire transmission drive control chip, wherein the tube core is connected with the output end of the single wire transmission drive control chip; and the tube core and the single wire transmission drive control chip are encapsulated into a whole to form the LED lamp which integrates the single wire transmission drive control chip and comprises an external power wire, an earth wire, an input signal wire and an output signal wire. The LED lamp has the advantages of simple structure, low cost, convenient use, improved hardware utilization ratio, easier circuit connection and high safety stability during PCB layout.
Description
Technical field
The invention belongs to LED lighting device technical field, particularly a kind of LED lamp of integrating single wire transmission drive control chip.
Background technology
The English of light-emitting diode is Light Emitting Diode (LED), its basic structure is an electroluminescent semi-conducting material, place on the leaded shelf, use epoxy sealing then, when it is in the forward operating state (two ends add forward voltage), when electric current flowed to negative electrode from the LED anode, semi-conducting material will be luminous, and the power of light is relevant with size of current.For many years, LED is playing the part of important role in the flat panel display field always, and rely on its unique high brightness, high strength, long-life, sliceable use, advantage such as convenient, flexible, make it show in the large tracts of land indoor and outdoor, special quite extensive in the application in fields such as physical culture, advertisement, finance, exhibition, traffic.
But, in common illumination occasion, coloured LED light but can make object seem to have become color, can truly reflect the color of object not as white light, therefore develop the white LED lamp of the high-quality that is suitable for the use of general lighting occasion, be the target that the industry peer pursues always.In the prior art, the white light that the LED lamp is sent is to make LED produce the light of several different wave lengths earlier, utilize the principle light that several wavelength are different of lens to form again, for example blend together white light, or blend together white light with red, green, blue three coloured light with blue light and gold-tinted by the certain intensity mixed.So just make that the design of peripheral circuit is very complicated, cost is high.Adopt the LED lamp of this structure,,, be unfavorable for using if both then need higher total voltage with being connected in series because the required operating voltage difference of blue light and red diodes is bigger; If then need therein series resistance on the diode with parallel connection, so just increased the making technology complexity, increase product cost.
Present stage, the mounting means of LED lamp is that one or more LED lamps are connected respectively with one or more drive circuits, and then goes to be connected with control circuit.Especially the LED lamp that contains a plurality of tube cores, the negative electrode of each tube core all needs to be connected with control circuit and power supply with anode, and contains many signal control lines.If need to form a panel display screen by a large amount of LED lamps, then the circuit of LED lamp will be very complicated, increase the cost of cable and light fixture external plug-in, and the hardware utilance is low, and cost is huge.
Summary of the invention
The present invention provides a kind of LED lamp of integrating single wire transmission drive control chip especially in order to solve problems of the prior art
Technical scheme of the present invention is as follows:
A kind of LED lamp of integrating single wire transmission drive control chip comprises packing colloid, tube core, pin, decorative lighting transmission drive control chip;
Described decorative lighting transmission drive control chip is a single wire transmission drive control chip;
Described tube core is connected with the control signal output ends of single wire transmission drive control chip, and this tube core and single wire transmission drive control chip integral body encapsulated, make contain the external power supply wire pin, a kind of LED lamp of integrating single wire transmission drive control chip of wire pin, an input signal wire pin and an output signal wire pin;
The pin of the LED lamp of described integrating single wire transmission drive control chip is partially submerged in the packing colloid.
Described single wire transmission drive control chip includes power line, ground wire, a holding wire and at least one control signal output ends.
Described control signal output ends can be connected with more than one tube core.
State the signal controlling output and be connected with the negative electrode of tube core, the anode of tube core is connected with the power line of single wire transmission drive control chip; The control output end of described single wire transmission drive control chip is connected with the anode of tube core, and the negative electrode of tube core is connected with the ground wire of single wire transmission drive control chip.
Described single wire transmission drive control chip is the single wire transmission drive control chip that carries PWM.
Described single wire transmission drive control chip has the deixis of reporting an error, when chip makes a mistake, and chip output error index signal.
Described LED lamp is the Piranha light-emitting diode that includes four pins.
Described LED lamp is the LED lamp that can emit white light.
Adopt the LED lamp of integrating single wire transmission drive control chip of the present invention, can obtain following beneficial effect:
1, tube core has used bluish-green two wafers, compares with the LED lamp that uses three wafers to provide cost savings, and has simplified control circuit; Use the blue green light excitated red fluorescent powder, contain red-green-blue in the mixed white light, the white light optical quality is good; Excitation energy is lower, can not produce harmful material, health environment-friendly.
2, by the LED lamp of integrating single wire transmission drive control chip, designs simplification in the time of can making PCB circuit board fabric swatch, cost reduce, reduce the size of PCB circuit board, strengthen the hardware utilance, have strengthened the flexibility of control.
3, adopt the LED lamp of integrating single wire transmission drive control chip, can make a LED lamp show multiple colors such as red, green, blue, and circuit connects simple and easy relatively.
Description of drawings
Fig. 1 is the schematic diagram of the Piranha light-emitting diode of integrating single wire transmission drive control chip of the present invention;
Fig. 2 is the Piranha light-emitting diode cut-away view of integrating single wire transmission drive control chip of the present invention;
Fig. 3 is the LED lamp schematic diagram that emits white light of integrating single wire transmission drive control chip of the present invention;
Fig. 4 is the LED lamp cut-away view that emits white light of integrating single wire transmission drive control chip of the present invention.
Among the figure: 2, cup; 3, tube core (blue light wafer); 4, tube core (green wafer); 5, red light emitting diodes; 6, green LED; 7, blue LED; 8, single wire transmission drive control chip; 10, the control signal output ends of single wire transmission drive control chip; 15, positive source pin; 16, signal input pin; 17, signal output pin; 18, power cathode pin; 20, packing colloid; 21, red fluorescence powder.
Embodiment
Below by the drawings and specific embodiments the present invention is described in further detail.
Embodiment 1
With reference to accompanying drawing Fig. 1 and Fig. 2, the Piranha light-emitting diode of integrating single wire transmission drive control chip, adopt a red light emitting diodes 5 in the present embodiment, 6, one blue LEDs of a green LED 7 weld with the control signal output ends 10 of single wire transmission drive control chip 8; And the anode of this tube core links to each other with the power line of single wire transmission drive control chip 8, its negative electrode is connected with control signal output ends 10, adopt 20 pairs of tube cores of epoxy encapsulation colloid, single wire transmission drive control chip 8 and positive source circuit, signal input line road, output line road, power cathode circuit to encapsulate then, make the Piranha light-emitting diode of integrated single line control apparatus; The positive source circuit links to each other with positive source pin 15, and the signal input line road links to each other with signal input pin 16, the output line road links to each other with signal output pin 17, the power-polar curve links to each other with power cathode pin 18; Wherein positive source pin 15, signal input pin 16, signal output pin 17, power cathode pin 18 are partially submerged in the packing colloid.
In addition, the Piranha light-emitting diode of integrating single wire transmission drive control chip can be by holding wire, circumscripted power line, external ground wire, carry out cascade, makes LED display.
With reference to accompanying drawing Fig. 3 and Fig. 4, adopt the LED lamp that emits white light of integrating single wire transmission drive control chip in the present embodiment, adopt a light-emitting diode 5 in the present embodiment, weld with the control signal output ends 10 of single wire transmission drive control chip 8; And the anode of this tube core links to each other with the power line of single wire transmission drive control chip 8, its negative electrode is connected with control signal output ends 10, adopt 20 pairs of tube cores of epoxy encapsulation colloid 3,4 then, single wire transmission drive control chip 8 and positive source circuit, signal input line road, output line road, power cathode circuit encapsulate, and make the LED lamp that emits white light of integrated single line control apparatus; The positive source circuit links to each other with positive source pin 15, and the signal input line road links to each other with signal input pin 16, the output line road links to each other with signal output pin 17, the power-polar curve links to each other with power cathode pin 18; Wherein positive source pin 15, signal input pin 16, signal output pin 17, power cathode pin 18 are partially submerged in the packing colloid.In addition, the LED lamp that emits white light of integrating single wire transmission drive control chip can be by holding wire, circumscripted power line, external ground wire, carry out cascade, makes LED display.
With reference to accompanying drawing Fig. 3
A kind of LED lamp that emits white light leads to the two pins that connects power supply in the packing colloid 20, be provided with the blue light wafer 3 and the green wafer 4 that are electrically connected with two pins in the packing colloid 20, this blue light wafer 3 and the green wafer 4 outer red fluorescence powders 21 that are coated with; Blue light crystalline substance 3 generally can be called blue light wafer 3 with the diode wafer of emission wavelength in the 430---480nm scope in the industry; Equally, green wafer 4 generally can be called green wafer 4 with the diode wafer of emission wavelength in the 510-555nm scope in the industry; Red fluorescence powder 21 promptly is meant a kind of fluorescent material that can inspire ruddiness behind the short light of absorptance red light wavelength, generally the fluorescent material of excitation wavelength in the 600-630nm scope can be called red fluorescence powder 21 in the industry.The present invention contains red-green-blue, and is all relatively good to the light color rendering of each wave band of visible light.Adjust the intensity of blue light and green glow by control circuit, can also access the white light or the pure white light of certain colourity of deflection, this technology does not need creationary experiment just can easily realize to one skilled in the art.
After blue light wafer 3 and green wafer 4 are placed in the cup 2, can be followed by injecting blue light wafer 3 and the green wafer 4 that red fluorescence powder 21 covers cups 2.Certainly, also red fluorescence powder 21 can be sneaked in advance in the encapsulation glue, at wafer 3,4 and pin and when packed, red fluorescence powder 21 coats described blue light wafer 3 and green wafer 4 with packing colloid 20.In addition, the light that the present invention is sent by the structure that changes packing colloid 20 tops has different directions.
The above execution mode only is used for illustrating the present invention, but is not limited thereto.Under the condition that does not depart from the present invention's design, affiliated technical field personnel can make suitable change adjustment, and these change adjustment also should be included within the claim protection range of the present invention.
Claims (8)
1, a kind of LED lamp of integrating single wire transmission drive control chip comprises packing colloid, tube core, pin, decorative lighting transmission drive control chip; It is characterized in that:
Described decorative lighting transmission drive control chip is a single wire transmission drive control chip;
Described tube core is connected with the control signal output ends of single wire transmission drive control chip, and this tube core and single wire transmission drive control chip integral body encapsulated, make contain the external power supply wire pin, a kind of LED lamp of integrating single wire transmission drive control chip of wire pin, an input signal wire pin and an output signal wire pin;
The pin of the LED lamp of described integrating single wire transmission drive control chip is partially submerged in the packing colloid.
2, the LED lamp of a kind of integrating single wire transmission drive control chip according to claim 1 is characterized in that: described single wire transmission drive control chip includes power line, ground wire, a holding wire and at least one control signal output ends.
3, the LED lamp of a kind of integrating single wire transmission drive control chip according to claim 1 and 2 is characterized in that: described control signal output ends can be connected with more than one tube core.
4, the LED lamp of a kind of integrating single wire transmission drive control chip according to claim 1 and 2 is characterized in that: described control signal output ends is connected with the negative electrode of tube core, and the anode of tube core is connected with the power line of single wire transmission drive control chip; The control output end of described single wire transmission drive control chip is connected with the anode of tube core, and the negative electrode of tube core is connected with the ground wire of single wire transmission drive control chip.
5, the LED lamp of a kind of integrating single wire transmission drive control chip according to claim 1 is characterized in that: described single wire transmission drive control chip is the single wire transmission drive control chip that carries PWM.
6, according to the LED lamp of claim 1 or 5 described a kind of integrating single wire transmission drive control chips, it is characterized in that: described single wire transmission drive control chip has the deixis of reporting an error, when chip makes a mistake, and chip output error index signal.
7, the LED lamp of a kind of integrating single wire transmission drive control chip according to claim 1 is characterized in that: described LED lamp is the Piranha light-emitting diode that includes four pins.
8, the LED lamp of a kind of integrating single wire transmission drive control chip according to claim 1 is characterized in that: described LED lamp is the LED lamp that can emit white light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810116668A CN101631407A (en) | 2008-07-15 | 2008-07-15 | LED lamp integrating single wire transmission drive control chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810116668A CN101631407A (en) | 2008-07-15 | 2008-07-15 | LED lamp integrating single wire transmission drive control chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101631407A true CN101631407A (en) | 2010-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810116668A Pending CN101631407A (en) | 2008-07-15 | 2008-07-15 | LED lamp integrating single wire transmission drive control chip |
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| CN (1) | CN101631407A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102333428A (en) * | 2011-05-25 | 2012-01-25 | 谢怀亮 | Electronic fixing device |
| CN103687219A (en) * | 2013-11-29 | 2014-03-26 | 广西玖典电子新材料有限公司 | LTC3543 drive white LED lamp |
-
2008
- 2008-07-15 CN CN200810116668A patent/CN101631407A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102333428A (en) * | 2011-05-25 | 2012-01-25 | 谢怀亮 | Electronic fixing device |
| CN103687219A (en) * | 2013-11-29 | 2014-03-26 | 广西玖典电子新材料有限公司 | LTC3543 drive white LED lamp |
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Application publication date: 20100120 |