CN101403485B - LED luminous element for integrated control device - Google Patents
LED luminous element for integrated control device Download PDFInfo
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- CN101403485B CN101403485B CN2008101122231A CN200810112223A CN101403485B CN 101403485 B CN101403485 B CN 101403485B CN 2008101122231 A CN2008101122231 A CN 2008101122231A CN 200810112223 A CN200810112223 A CN 200810112223A CN 101403485 B CN101403485 B CN 101403485B
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- control device
- emitting component
- led light
- led
- led chip
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Abstract
The invention discloses an LED luminous element of an integrated control device. The luminous element comprises an LED chip and an encapsulation body, one end of the LED chip is connected with the drive output end of the control device, and the LED chip, the control device and the encapsulation body are integrally encapsulated to manufacture the LED luminous element of the integrated control device; and the pin of the luminous element is at least partially embedded into the encapsulation body. The LED luminous element has simplified PCB structure and circuit connection, lower cost and convenient use and can singly display a plurality of colors such as red, green, blue and the like.
Description
Technical field
The invention belongs to LED lighting device technical field, particularly a kind of LED light-emitting component of integrated control device.
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 support, use epoxy sealing then, when it is in the forward duty (two ends add forward voltage), electric current flows to negative electrode from the LED anode, and 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 FPD 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, especially in physical culture, advertisement, the application in fields such as finance, exhibition, traffic is quite extensive.
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 chips, the negative electrode of each tube core all needs to be connected with drive circuit, control circuit and power supply with anode.Can see that thus 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, the hardware utilization rate is low, and cost is huge.
Summary of the invention
The present invention's designs simplification when making the PCB fabric swatch of LED light-emitting component pipe, cost reduces, and a kind of LED light-emitting component pipe of integrated control device is provided especially.
Technical scheme of the present invention is as follows:
A kind of LED light-emitting component of integrated control device, comprise led chip and package main body, one end of described led chip is connected with the control output end of control device, described led chip, described control device and described package main body integral body are encapsulated, make the LED light-emitting component of integrated control device; The pin of the LED light-emitting component of described integrated control device is partially submerged in the package main body at least.
Wherein, in the package main body of the LED light-emitting component of described integrated control device, can contain heat-radiating substrate, this heat-radiating substrate can be copper heat-radiating substrate or aluminum heat-radiating substrate.Described heat-radiating substrate is with after the pin of the LED light-emitting component of integrated control device links to each other, and overall package is in described LED light-emitting component inside.
Can contain a control device at least in the LED light-emitting component of described integrated control device, and control device comprises power-switching circuit, drive circuit and control circuit.Wherein drive circuit chip is triode, metal-oxide-semiconductor, constant-current driven chip, non-constant-current driven chip, switching mode driving chip or high-power driving chip, and the input/output signal of control device contains mains terminals, ground terminal, signal line end and at least one control output end.Wherein, described signal line end comprises at least one input signal end and at least one output signal end.
The control output signal pin of the LED light-emitting component of described integrated control device links to each other with the control input signal pin of the LED light-emitting component of another described integrated control device, can realize the cascade between described a plurality of LED light-emitting component.
In the LED light-emitting component of described integrated control device, contain one or more led chip, and described led chip can be redness, green or blue led chip.Color of the same race or not a plurality of led chips of color of the same race can be divided into one or more led chip group, and contain at least one led chip in the described led chip group.
When containing two LEDs chips in the described led chip group, the annexation between led chip is a serial or parallel connection
When containing the led chip more than three or three in the described led chip group, the annexation between led chip is series, parallel or series-parallel connection.
Arbitrary control output end of described control device all can be connected with a led chip group at least.
The control output end of described control device is connected with the cathode terminal of led chip group, and the anode tap of the mains terminals of described control device and described led chip group all is connected with the power line pin of the LED light-emitting component of described integrated control device.
The control output end of described control device is connected with the anode tap of led chip group, and the cathode terminal of the ground terminal of described control device and described led chip group all is connected with the ground wire pin of the LED light-emitting component of described integrated control device.
Compared with prior art, beneficial effect of the present invention is as follows:
1, encapsulates by control device and led chip integral body, can make the simplification circuit design, dwindle the PCB size, reduce cost.
2, adopt the LED light-emitting component that is integrated with control device, can make a LED light-emitting component have multiple colors such as red, green, blue simultaneously, and circuit connects simple relatively, easy to use; And can carry out cascade between a plurality of LED light-emitting components that are integrated with control device, and only need the input/output signal end of LED light-emitting component is connected one by one, can realize the cascade between the LED light-emitting component.
3, because control device and led chip integral body are encapsulated, the heat that control device came out can directly dispel the heat from the heat abstractor of led chip, has reduced the heat dissipation design of control device, reduces cost.
Description of drawings
Fig. 1 is the schematic diagram of the embodiment of the present application 1;
Fig. 2 is the schematic diagram of the embodiment of the present application 2;
Fig. 3 is the schematic diagram of the embodiment of the present application 3;
Fig. 4 is the schematic diagram of the embodiment of the present application 4;
Fig. 5 is the schematic diagram of the embodiment of the present application 5.
The specific 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, adopt a red LED chips 102 in the present embodiment, be connected with the control output end 111 of control device 108; And the anode of this led chip links to each other with the mains terminals 110 of control device 108, and its negative electrode is connected with control output end 111, adopts epoxy resin to encapsulate then, makes the LED light-emitting component 101 of integrated control device.
Described control device 108 is made up of power-switching circuit, constant-current drive circuit ZQL9729 and control circuit ZQL9701, contains 109, one control output ends 111 of 110, one ground terminals of a mains terminals and 6 signal ends.
The LED light-emitting component 101 of integrated control device contain power line pin 105, wire pin 106, three control output signal pins 103 and three control input signal pins 104, described three input signals and output signal pin are respectively Clk, Load and Data.
In addition, the LED light-emitting component 101 of a plurality of integrated control devices can carry out cascade, makes LED display.
When the integrated high power LED chip, copper or aluminum heat-radiating substrate can also be installed below led chip and control device, the pin of heat-radiating substrate and light-emitting component links to each other, encapsulate in integral body then, the pin of the LED light-emitting component 101 by integrated control device can reach better heat radiating effect like this.
Embodiment 2
With reference to accompanying drawing Fig. 2, adopt a red LED chips and a blue led chip in the present embodiment, and 2 LEDs chips adopt series system to connect, the anode tap of blue led chip links to each other with the mains terminals 110 of control device 108, the cathode terminal of red LED chips is connected with control output end 111, adopt epoxy resin to carry out overall package then, make the LED light-emitting component 101 of integrated control device.
Described control device is made up of power-switching circuit, constant-current drive circuit ZQL9728 and control circuit ZQL9701.
The LED light-emitting component 101 of integrated control device contain power line pin 105, wire pin 106, four control output signal pins 103 and four control input signal pins 104, described four inputs, output signal pins are respectively Clk, OE, Load and Data.All the other principles of present embodiment are identical with the 1st embodiment, do not repeat them here.
Embodiment 3
With reference to accompanying drawing Fig. 3, adopting 2 red LED chips parallel connections in the present embodiment is led chip group 1021,2 green LED tube core parallel connections are led chip group 1022, led chip group 1021 is connected with led chip group 1022 then, and the cathode terminal of led chip group 1022 is connected with the control output end 111 of control device 108, and the anode tap of led chip group 1021 links to each other with the mains terminals 108 of control device 108.Described two input signal pins and output signal pin are respectively Clk and Data.
All the other principles of present embodiment are same as the previously described embodiments, do not repeat them here.
Embodiment 4
With reference to accompanying drawing Fig. 4, adopt four red LED chips in the present embodiment, led chip group 1023 is formed in parallel connection in twos serial again, and the anode tap of led chip group 1023 is connected with the mains terminals of control device 108, and first control output end 111 of cathode terminal and control device 108 is connected; In like manner, also have four blue led chips to form led chip group 1024 and be connected with second control output end 111, four green LED chips are formed led chip group 1025 and are connected with the 3rd control output end.
With this led chip group 1023, led chip group 1024, led chip group 1025 and control device 108 overall package, make the LED light-emitting component 101 of integrated control device.This LED light-emitting component 101 contain power line pin 105, wire pin 106, four control output signal pins 103 and four control input signal pins 104, described four inputs, output signal pins are respectively Clk, OE, Load and Data.
Described control device is made up of power-switching circuit, constant-current drive circuit ZQL9712 and control circuit ZQL9701.By control to control device 108 holding wires, when first control output end 111 that is connected with the red LED tube core is output as high level, when second and third control output end 111 is output as low level, can make the LED light-emitting component 101 of this integrated control device be shown as a red LED light-emitting component.
When first control output end 111 is output as high level, when 107 outputs of the second and the 3rd control output end also are high level, can make the LED light-emitting component 101 of this integrated control device be shown as a White LED light-emitting component.
In like manner, by control, can make this LED light-emitting component 101 send the light of multiple colors such as redness, green, blueness, yellow or white to control device 108 holding wires.
All the other principles of present embodiment are same as the previously described embodiments, do not repeat them here.
Embodiment 5
With reference to accompanying drawing Fig. 5, it is led chip group 1021 that present embodiment adopts 2 red LED chips parallel connections, 2 blue led chip parallel connections are led chip group 1022, led chip group 1021 is connected with led chip group 1022 then, and the cathode terminal of led chip group 1022 is connected with the ground terminal 109 of control device 108, and the anode tap of led chip group 1021 links to each other with the control output end 111 of control device 108.
All the other principles of present embodiment are same as the previously described embodiments, do not repeat them here.
By above embodiment the present invention has been carried out further announcement, but scope of the present invention is not limited thereto, under the condition that does not depart from the present invention's design, more than each element can replace with the similar or equivalent element that affiliated technical field personnel understand.
Claims (10)
1. the LED light-emitting component of an integrated control device comprises led chip and package main body, it is characterized in that:
One end of at least one described led chip is connected with the control output end of control device, and described led chip, described control device and described package main body integral body are encapsulated, and makes the LED light-emitting component of integrated control device;
The pin of the LED light-emitting component of described integrated control device is partially submerged in the package main body at least;
At least contain a control device chip in the LED light-emitting component of described integrated control device;
Described control device comprises power-switching circuit, drive circuit and control circuit, and the input/output signal of control device contains mains terminals, ground terminal, signal line end and at least one control output end;
The LED light-emitting component of described integrated control device contain at least the power line pin, wire pin and control signal pin;
The signal line end of described control device comprises at least one input signal end and at least one output signal end;
The control signal pin of the LED light-emitting component of described integrated control device comprises at least one control input signal pin and at least one control output signal pin;
The control output signal pin of the LED light-emitting component of described integrated control device links to each other with the control input signal pin of the LED light-emitting component of another described integrated control device, can realize the cascade between a plurality of described LED light-emitting components.
2. LED light-emitting component according to claim 1 is characterized in that: also contain heat-radiating substrate in the package main body of the LED light-emitting component of described integrated control device.
3. LED light-emitting component according to claim 2 is characterized in that: described heat-radiating substrate is copper heat-radiating substrate or aluminum heat-radiating substrate.
4. LED light-emitting component according to claim 1 is characterized in that: described drive circuit is triode, metal-oxide-semiconductor, constant-current driven chip, non-constant-current driven chip, switching mode driving chip or high-power driving chip.
5. according to each described LED light-emitting component of claim 1 to 3, it is characterized in that: in the LED light-emitting component of described integrated control device, contain one or more led chip, and described led chip is redness, green or blue led chip.
6. LED light-emitting component according to claim 5 is characterized in that: described led chip can be divided into one or more led chip group, and contains at least one led chip in the described led chip group.
7. LED light-emitting component according to claim 6 is characterized in that: the annexation of more than one led chip is series, parallel or series-parallel connection in the described led chip group.
8. LED light-emitting component according to claim 6 is characterized in that: arbitrary control output end of described control device all can be connected with a led chip group at least.
9. LED light-emitting component according to claim 8 is characterized in that:
The control output end of described control device is connected with the cathode terminal of led chip group, and the anode tap of the mains terminals of described control device and described led chip group all is connected with the power line pin of the LED light-emitting component of described integrated control device.
10. LED light-emitting component according to claim 8 is characterized in that:
The control output end of described control device is connected with the anode tap of led chip group, and the cathode terminal of the ground terminal of described control device and described led chip group all is connected with the ground wire pin of the LED light-emitting component of described integrated control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101122231A CN101403485B (en) | 2008-05-21 | 2008-05-21 | LED luminous element for integrated control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101122231A CN101403485B (en) | 2008-05-21 | 2008-05-21 | LED luminous element for integrated control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101403485A CN101403485A (en) | 2009-04-08 |
| CN101403485B true CN101403485B (en) | 2011-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101122231A Expired - Fee Related CN101403485B (en) | 2008-05-21 | 2008-05-21 | LED luminous element for integrated control device |
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| CN (1) | CN101403485B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130134898A1 (en) * | 2011-11-29 | 2013-05-30 | International Business Machines Corporation | Light Emitting Diode Producing Any Desired Color |
| DE102015211454A1 (en) | 2015-06-22 | 2016-12-22 | Tridonic Gmbh & Co Kg | Sensor supply with a constant current converter for lamps |
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2008
- 2008-05-21 CN CN2008101122231A patent/CN101403485B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101403485A (en) | 2009-04-08 |
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Granted publication date: 20110629 Termination date: 20180521 |