CN102588797A - Bidirectional LED - Google Patents
Bidirectional LED Download PDFInfo
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- CN102588797A CN102588797A CN201210056271XA CN201210056271A CN102588797A CN 102588797 A CN102588797 A CN 102588797A CN 201210056271X A CN201210056271X A CN 201210056271XA CN 201210056271 A CN201210056271 A CN 201210056271A CN 102588797 A CN102588797 A CN 102588797A
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Abstract
The invention discloses a bidirectional LED, which comprises a first light emitting diode and a second light emitting diode. A positive electrode of the first light emitting diode is connected with a negative electrode of the second light emitting diode, and a connection terminal A is led out of the joint. A positive electrode of the second light emitting diode is connected with a negative electrode of the first light emitting diode, and a connection terminal B is led out of the joint. The bidirectional LED has the advantages that the structure is simple, the manufacturing cost is low, the cost of application of the light emitting diodes to illumination is reduced, popularization of the light emitting diodes in terms of illumination is benefited, and the like.
Description
Technical field
The present invention relates to a kind of two-way LED lamp pearl.
Background technology
Along with progress of science and technology, lighting develops into Halogen lamp LED, high-pressure mercury lamp, fluorescent lamp etc. from incandescent lamp, towards energy-saving and environmental protection, direction is not stopped paying out exhibition cheaply.In recent years the LED lighting that rises has advantages such as theoretical life-span length, energy-conserving and environment-protective, technical development space are big, and growth momentum is swift and violent.30W designs the brightness twice that brightness has surpassed the common energy-saving lamp tool of identical power consumption with interior low-power LED lamp, also reaches more than 5 times of common energy-saving lamp tool projected life.The LED light fixture is compared with incandescent lamp or electricity-saving lamp, is more energy-conservation.Market, hotel, hospital, library, underground parking, shop, road and construction landscape etc. are the places that emphasis uses the LED lighting.
In the existing LED light fixture; Usually adopt one-way constant flow driver module driving LED lamp; The general mode (as shown in Figure 4) that adopts a plurality of LED parallel connections or series connection is arranged on the dc output end of one-way constant flow driver module, and the setting of the cathode and anode directions that all LED lamps are is identical.Global Access mostly is the luminous DCLED of unidirectional direct current supply (direct-current LED) with common LED lamp pearl at present.This DCLED need offer the galvanic current source when working.Advocate employing LED illumination for saving the energy, each state is all at the various LED lightings of development.Owing to adopted low-voltage DC supply, make LED lighting production cost too high, can't popularize, driving power is made complicated fragile.Develop a kind of no driving power, the two-way LED lamp pearl that all can be luminous that can be operated under the AC power state is particularly important, and is significant to the universal use of promoting this new type light source for this reason.
Summary of the invention
The present invention is the weak point that exists in the above-mentioned prior art for avoiding, and a kind of two-way LED lamp pearl is provided, to reduce LED lamp manufacturing cost and use cost.
The present invention adopts following technical scheme for the technical solution problem.
Two-way LED lamp pearl, its design feature are to comprise first light emitting diode and second light emitting diode; The positive pole of said first light emitting diode is connected with the negative pole of second light emitting diode and terminals A is drawn in the junction; The positive pole of said second light emitting diode is connected with the negative pole of said first light emitting diode and terminals B is drawn in the junction.
The design feature of two-way LED lamp pearl of the present invention also is:
Two-way LED lamp pearl also comprises support; Said support is square plate body; Be provided with the reverse frustoconic groove in the centre of said support, said first light emitting diode and second light emitting diode are embedded within the said groove; Be filled with fluorescent material in the said reverse frustoconic groove.
Compared with present technology, beneficial effect of the present invention is embodied in:
Two-way LED lamp pearl of the present invention is connected on the AC power through the bidirectional constant circuit integrated module.The bidirectional constant circuit integrated module comprises two one-way constant flow modules.The terminal A of lamp pearl of the present invention (or terminal B) is connected with an end of bidirectional constant circuit integrated module, and the other end of bidirectional constant circuit integrated module is connected on the AC power.Another terminal B (or terminal A) of lamp pearl is connected with the terminals of another lamp pearl.The terminals of a plurality of lamp pearls connect successively, form the diode lights group.
Lamp pearl of the present invention; Can directly be connected on the AC power through the bidirectional constant circuit integrated module, and two diodes are alternately luminous, luminosity is good; Manufacturing is simple and cost is low; And need not the low-voltage direct drive unit, make the cost that is applied to throw light on of light emitting diode reduce, help light emitting diode popularizing aspect illumination.
Bidirectional constant circuit integrated module one end is connected with AC power; The other end connects the lamp pearl of connection parallel with one another and opposite polarity two diodes composition; Can drive two led lightings, the simple and low cost of manufacture of circuit structure realizes miniaturization easily; The electrical power conversion factor can reach more than 0.92, and has advantages such as photoelectric transformation efficiency height, circuit working good stability.
Description of drawings
Fig. 1 is the circuit theory diagrams of two-way LED lamp pearl of the present invention.
Fig. 2 is the structural representation of two-way LED lamp pearl of the present invention.
Circuit diagram when Fig. 3 forms the lamp group and inserts power supply for two-way LED lamp pearl of the present invention.
Fig. 4 is the circuit theory diagrams of the LED lamp of prior art.
Below pass through the specific embodiment, and combine accompanying drawing that the present invention is described further.
The specific embodiment
Referring to accompanying drawing 1～accompanying drawing 3, two-way LED lamp pearl comprises first light emitting diode 1 and second light emitting diode 2; The positive pole of said first light emitting diode 1 is connected with the negative pole of second light emitting diode 2 and terminals A is drawn in the junction; The positive pole of said second light emitting diode 2 is connected with the negative pole of said first light emitting diode 1 and terminals B is drawn in the junction.Two-way LED lamp pearl of the present invention is connected on the AC power through the bidirectional constant circuit integrated module.The bidirectional constant circuit integrated module comprises two one-way constant flow modules.The terminal A of lamp pearl of the present invention (or terminal B) is connected with an end of bidirectional constant circuit integrated module, and the other end of bidirectional constant circuit integrated module is connected on the AC power.Another terminal B (or terminal A) of lamp pearl is connected with the terminals of another lamp pearl.The terminals of a plurality of lamp pearls connect successively, form the diode lights group.
In first cycle and second cycle of alternating current, two one-way constant flow modules are worked respectively and exported two diodes of direct current constant-current driving, and are alternately luminous by two diodes.Because the frequency of alternating current is 50-60Hz, has exceeded the resolution capability of human eye, because persistence of vision effect, the diode that human eye is seen is luminous always.In first cycle of alternating current, the in running order and output of its first one-way constant flow module is during constant current, and second one-way constant flow module is in conducting state and plays the lead effect, first led lighting, and second diode is not luminous.In second cycle of alternating current, the in running order and output of its second one-way constant flow module is during constant current, and first one-way constant flow module is in conducting state and plays the lead effect, second led lighting, and first diode is not luminous.Constant current is constantly exported in the alternation of two one-way constant flow modules, drives two LED lamps.
At the output of bidirectional constant circuit integrated module, can connect connection parallel with one another and opposite polarity diode, needn't consider the polarity of diode.Bidirectional constant circuit integrated module of the present invention; One end is connected with AC power, and the other end connects the lamp pearl of connection parallel with one another and opposite polarity two diodes composition, can drive two led lightings; Simple and the low cost of manufacture of circuit structure; Realize miniaturization easily, the electrical power conversion factor can reach more than 0.92, and has advantages such as photoelectric transformation efficiency height, circuit working good stability.
Lamp pearl of the present invention; Can directly be connected on the AC power through the bidirectional constant circuit integrated module, and two diodes are alternately luminous, luminosity is good; Manufacturing is simple and cost is low; And need not the low-voltage direct drive unit, make the cost that is applied to throw light on of light emitting diode reduce, help light emitting diode popularizing aspect illumination.
Two-way LED lamp pearl also comprises support 3; Said support 3 is square plate body; Be provided with reverse frustoconic groove 4 in the centre of said support 3, said first light emitting diode 1 and second light-emitting diodes, 2 pipes are embedded within the said groove 4; Be filled with fluorescent material in the said reverse frustoconic groove 4.Two light emitting diodes are embedded in groove, and the reverse frustoconic of groove is the little state in the big inside of opening, and groove face can shine the light reflection on it with diode, has strengthened the brightness of lamp pearl.Optics adjustment through fluorescent material makes the lamp pearl send the white light that is used to throw light on.
As shown in Figure 3, D1～D38 light emitting diode divides two strings up and down, respectively is 38, totally 76 two strings.The lamp pearl that D1～D38 is made up of two light emitting diodes.The diode group of two string reverse parallel connections is arranged on same the circuit board, and the LED light emitting diode is arranged and to be two parallel lines, and it is good more closely more that two string simple grain LED luminous tubes are laid spacing, is bar shaped fluorescent lamp shape.The component parameters that the present invention provides is arranged correct welding and need not adjustment.Connecting 110V or 220V AC power can be normally luminous.Application circuit of the present invention is through test, and running current is 40～42mA, power output 5～7W, and power factor is 0.92, has the advantage that power consumption is low, power factor is high.
Select the LED lamp pearl support of having finalized the design general at present for use; On original basis; Lay positive and negative two opposite light emitting diodes in the inside of support, inner each lead-in wire carries out interior welds with special-purpose bonding wire equipment, and two or four weld tabs are drawn in the outside; Coating process is constant, promptly has been made into two-way ACLED (AC LED) electroluminescent lamp pearl that all can be luminous.Two-way light emitting LED lamp pearl is made, and chooses 3528 bifoot types or four pin cribbings, in support with solid brilliant machine with 10 * 23 or 10 * 16 LED crystal grain; By shown in Figure 1 two light emitting diodes are fixed in the support by both forward and reverse directions; Be welded on the sheet metal that needs welding by shown in Figure 1 with gold ball welding apparatus, the fluorescent material sealing hybrid technique with suitable wavelength is applied to support hollow portion again, after the oven dry; Just be made into two-way light emitting LED lamp pearl, profile is seen Fig. 2.Two-way light emitting LED lamp pearl operating voltage and current characteristics after the encapsulation are identical with unidirectional LED.
Claims (2)
1. two-way LED lamp pearl is characterized in that, comprises first light emitting diode (1) and second light emitting diode (2); The positive pole of said first light emitting diode (1) is connected with the negative pole of second light emitting diode (2) and terminals A is drawn in the junction; The positive pole of said second light emitting diode (2) is connected with the negative pole of said first light emitting diode (1) and terminals B is drawn in the junction.
2. two-way LED lamp pearl according to claim 1 is characterized in that, also comprises support (3); Said support (3) is square plate body; Be provided with reverse frustoconic groove (4) in the centre of said support (3), said first light emitting diode (1) and second light-emitting diodes (2) pipe are embedded within the said groove (4); Be filled with fluorescent material in the said reverse frustoconic groove (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210056271XA CN102588797A (en) | 2012-03-06 | 2012-03-06 | Bidirectional LED |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210056271XA CN102588797A (en) | 2012-03-06 | 2012-03-06 | Bidirectional LED |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102588797A true CN102588797A (en) | 2012-07-18 |
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ID=46477838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210056271XA Pending CN102588797A (en) | 2012-03-06 | 2012-03-06 | Bidirectional LED |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105913021A (en) * | 2016-01-21 | 2016-08-31 | 友达光电股份有限公司 | Fingerprint sensing device |
| CN110379804A (en) * | 2019-06-10 | 2019-10-25 | 天台天宇光电股份有限公司 | A kind of bilateral LED light of built-in anti-breakdown protection |
| TWI792740B (en) * | 2021-12-03 | 2023-02-11 | 國立勤益科技大學 | Ac driven lighting strip and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10233668A (en) * | 1997-02-20 | 1998-09-02 | Fuji Electric Co Ltd | Digital signal input device for electronic device |
| CN1538538A (en) * | 2003-04-09 | 2004-10-20 | �����ǵ��ӹɷ�����˾ | LED lamp |
| CN2877183Y (en) * | 2005-12-28 | 2007-03-07 | 程继金 | Illuminating apparatus |
| CN201571222U (en) * | 2009-11-02 | 2010-09-01 | 张家成 | LED epitoxy serial structure for alternating current power supply |
| CN201731298U (en) * | 2010-04-30 | 2011-02-02 | 李守运 | Bidirectional super-power LED module |
| CN202442168U (en) * | 2012-03-06 | 2012-09-19 | 卢子清 | Bidirectional LED (Light-Emitting Diode) lamp bead |
-
2012
- 2012-03-06 CN CN201210056271XA patent/CN102588797A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10233668A (en) * | 1997-02-20 | 1998-09-02 | Fuji Electric Co Ltd | Digital signal input device for electronic device |
| CN1538538A (en) * | 2003-04-09 | 2004-10-20 | �����ǵ��ӹɷ�����˾ | LED lamp |
| CN2877183Y (en) * | 2005-12-28 | 2007-03-07 | 程继金 | Illuminating apparatus |
| CN201571222U (en) * | 2009-11-02 | 2010-09-01 | 张家成 | LED epitoxy serial structure for alternating current power supply |
| CN201731298U (en) * | 2010-04-30 | 2011-02-02 | 李守运 | Bidirectional super-power LED module |
| CN202442168U (en) * | 2012-03-06 | 2012-09-19 | 卢子清 | Bidirectional LED (Light-Emitting Diode) lamp bead |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105913021A (en) * | 2016-01-21 | 2016-08-31 | 友达光电股份有限公司 | Fingerprint sensing device |
| CN110379804A (en) * | 2019-06-10 | 2019-10-25 | 天台天宇光电股份有限公司 | A kind of bilateral LED light of built-in anti-breakdown protection |
| TWI792740B (en) * | 2021-12-03 | 2023-02-11 | 國立勤益科技大學 | Ac driven lighting strip and application thereof |
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Application publication date: 20120718 |