CN204069403U - A kind of efficient ac LED - Google Patents

A kind of efficient ac LED Download PDF

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Publication number
CN204069403U
CN204069403U CN201420335573.5U CN201420335573U CN204069403U CN 204069403 U CN204069403 U CN 204069403U CN 201420335573 U CN201420335573 U CN 201420335573U CN 204069403 U CN204069403 U CN 204069403U
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China
Prior art keywords
led
branch road
luminescence unit
led branch
chip
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Active
Application number
CN201420335573.5U
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Chinese (zh)
Inventor
张智聪
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JIANGXI LATTICEPOWER SEMICONDUCTOR Corp.
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JIANGXI LATTICEBRIGHT Corp
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Priority to CN201420335573.5U priority Critical patent/CN204069403U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

The utility model provides a kind of efficient ac LED, comprise substrate, the optical lens of the LED luminescence unit be arranged on substrate, the interchange power taking end being arranged at LED luminescence unit both sides and parcel LED luminescence unit, LED luminescence unit comprises respectively by a LED branch road of red LED chip sequential series, the 2nd LED branch road red LED chip and the 3rd LED branch road that is in series by blue-light LED chip.The utility model adopts the lower red LED chip of voltage as rectifier bridge, and the luminous efficiency of whole alternating current LED light source is improved.Use red LED chip, the display index of (AC) LED light source of not only can increasing exchanges, and need not red fluorescence powder be used, while reducing light decay, reduce packaging cost.

Description

A kind of efficient ac LED
Technical field
The utility model relates to LED field, particularly relates to a kind of efficient ac LED.
Background technology
LED light source is as green, energy-conservation, power saving, long-life forth generation lighting and extensively concerned.The semiconductor device that current LED light source is low-voltage (VF=2 → 3.6V), big current (IF=200 → 1500mA) works, must provide suitable direct current ability normal luminous.The technology of direct current (DC) driving LED light source luminescent is more and more ripe, the power supply used due to our normal lighting is high-voltage alternating (AC 100 ~ 220V), so the technology of step-down must be used obtain lower voltage, conventional is transformer or Switching Power Supply step-down, then will exchange (AC) and be transformed into direct current (DC), be transformed into DC constant current power supply again, LED light source just can be impelled luminous.Therefore, certain space must be had to settle this module in LED lamp, but for standard screw socket light fixture space very limited, be difficult to settle.No matter be that system all can have a certain amount of loss via transformer rectification or Switching Power Supply step-down, when DC LED changes between interchange, direct current, the electric power of about 15% ~ 30% is depleted, and system effectiveness is difficult to accomplish more than 90%.In addition, for the AC/DC changeover switch for direct current LED light, it be a kind of along with the time can aging, the electronic devices and components that break down, its life-span is shorter than LED light source itself, therefore a lot of LED lamp breaks down at present, be not that the LED light source life-span is most, but the AC/DC changeover switch that LED lamp uses first has broken down.
For the deficiency of DC driven LED light source, prior art has disclosed one and has exchanged the luminescence of (AC) Direct driver LED light source, and this system application scheme will simplify greatly, and system effectiveness will reach more than 90%.The convenience of this AC LED on household power, does not need other light fixture must be helped to load onto transducer that an interchange turns direct current as DC LED, not only saves the cost of transducer, avoid LED light source itself also not have bad yet, but the awkward situation that transducer first breaks down.In addition, AC LED also has a characteristic, because its technique adopts staggered matrix arrangement, lights in turn, can rotate light in the interchange of 60Hz with the frequency of 60 times per second, and comparatively DC LED is long also to allow the useful life of AC LED.But the problems such as it is undesirable that present stage AC LED exists the aspect such as luminosity, power, and luminous efficiency is not high, govern the development of AC LED.
Utility model content
For above-mentioned the deficiencies in the prior art, it is high that the purpose of this utility model is to provide a kind of luminous efficiency, and display index is high, lower-cost efficient ac LED.
To achieve these goals, the utility model is by the following technical solutions: a kind of efficient ac LED, comprise substrate, be arranged at the LED luminescence unit on substrate, be arranged at the interchange power taking end of LED luminescence unit both sides and the optical lens of parcel LED luminescence unit, LED luminescence unit comprises respectively by a LED branch road of LED chip sequential series, 2nd LED branch road and the 3rd LED branch road, one LED branch road and the 2nd LED branch road comprise at least two LEDs chips, 3rd LED branch road comprises at least one LEDs chip, one LED branch road and the 2nd LED branch road are that one end that one end and the 3rd LED branch road of anode is negative electrode is connected, one LED branch road and the 2nd LED branch road are that one end that one end and the 3rd LED branch road of negative electrode is anode is connected, the output exchanging power taking end is connected between two LEDs chips of a LED branch road, another output exchanging power taking end is connected between two LEDs chips of the 2nd LED branch road, LED chip on one LED branch road and the 2nd LED branch road is red LED chip, LED chip on 3rd LED branch road is blue-light LED chip.
Preferably, described optical lens is yellow fluorescent powder silica-gel lens.
The beneficial effects of the utility model are mainly reflected in: 1) adopt the red LED chip that voltage is lower as rectifier bridge, the luminous efficiency of whole alternating current LED light source is improved; 2) use red LED chip, the display index of LED light source of not only can increasing exchanges, and the use of red fluorescence powder can be avoided, while guarantee light decay reduces, reduce packaging cost.
Accompanying drawing explanation
Fig. 1 is the utility model efficient ac LED encapsulation structure schematic diagram;
Fig. 2 is the encapsulating structure schematic diagram of the utility model LED luminescence unit embodiment;
Fig. 3 is the encapsulating structure schematic diagram of another embodiment of the utility model LED luminescence unit.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment one
With reference to Fig. 1, shown in Fig. 2, the utility model provides a kind of efficient ac LED, comprise substrate 1, be arranged at the LED luminescence unit 2 on substrate 1, be arranged at the interchange power taking end 3 of LED luminescence unit 2 side and the yellow fluorescent powder silica-gel lens 4 of parcel LED luminescence unit 2, LED luminescence unit 2 comprises respectively by a LED branch road 21 of LED chip sequential series, 2nd LED branch road 22 and the 3rd LED branch road 23, one LED branch road 21 and the 2nd LED branch road 22 comprise two red LED chips, 3rd LED branch road 23 comprises a blue-light LED chip, one LED branch road 21 and the 2nd LED branch road 22 are that one end that one end and the 3rd LED branch road 23 of anode is negative electrode is connected, one LED branch road 21 and the 2nd LED branch road 22 are that one end that one end and the 3rd LED branch road 23 of negative electrode is anode is connected, the output exchanging power taking end 3 is connected between two LED chips of a LED branch road 21, another output exchanging power taking end 3 is connected between two LED chips of the 2nd LED branch road 22.There are three chips LED chips luminous when this efficient ac LED works in the present embodiment, wherein two red LED chips, a blue-light LED chip.The utility model adopts the lower red LED chip of voltage as rectifier bridge, and the luminous efficiency of whole alternating current LED light source is improved.Use red LED chip, the display index of (AC) LED light source of not only can increasing exchanges, and need not red fluorescence powder be used, while reducing light decay, reduce packaging cost.
Embodiment two
The structural principle of the present embodiment is substantially identical with the structure of embodiment one, and difference is that the 3rd branch road 23 in LED luminescence unit 2 comprises three blue-light LED chips, as shown in Figure 3.In the present embodiment, have five chips luminous when this efficient ac LED works, its integral illumination power is comparatively large, is adapted at 13V alternating voltage uses.
The above; it is only embodiment of the present utility model; not do any pro forma restriction to the utility model, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection range of the present utility model.

Claims (2)

1. an efficient ac LED, comprise substrate, be arranged at the LED luminescence unit on substrate, be arranged at the interchange power taking end of LED luminescence unit both sides and the optical lens of parcel LED luminescence unit, LED luminescence unit comprises respectively by a LED branch road of LED chip sequential series, 2nd LED branch road and the 3rd LED branch road, one LED branch road and the 2nd LED branch road comprise at least two LEDs chips, 3rd LED branch road comprises at least one LEDs chip, one LED branch road and the 2nd LED branch road are that one end that one end and the 3rd LED branch road of anode is negative electrode is connected, one LED branch road and the 2nd LED branch road are that one end that one end and the 3rd LED branch road of negative electrode is anode is connected, the output exchanging power taking end is connected between two LEDs chips of a LED branch road, another output exchanging power taking end is connected between two LEDs chips of the 2nd LED branch road, it is characterized in that, LED chip on a described LED branch road and the 2nd LED branch road is red LED chip, LED chip on described 3rd LED branch road is blue-light LED chip.
2. a kind of efficient ac LED according to claim 1, is characterized in that, described optical lens is yellow fluorescent powder silica-gel lens.
CN201420335573.5U 2014-06-23 2014-06-23 A kind of efficient ac LED Active CN204069403U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420335573.5U CN204069403U (en) 2014-06-23 2014-06-23 A kind of efficient ac LED

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420335573.5U CN204069403U (en) 2014-06-23 2014-06-23 A kind of efficient ac LED

Publications (1)

Publication Number Publication Date
CN204069403U true CN204069403U (en) 2014-12-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420335573.5U Active CN204069403U (en) 2014-06-23 2014-06-23 A kind of efficient ac LED

Country Status (1)

Country Link
CN (1) CN204069403U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104819443A (en) * 2015-04-08 2015-08-05 许其推 AC LED optical engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104819443A (en) * 2015-04-08 2015-08-05 许其推 AC LED optical engine
CN104819443B (en) * 2015-04-08 2017-09-26 许其推 A kind of AC LED light engines

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Address after: 330096 main building, No. 699, No. 101 North Sihu Road, Nanchang hi tech Zone, Jiangxi

Patentee after: JIANGXI LATTICEPOWER SEMICONDUCTOR Corp.

Address before: 330096 main building, No. 699, No. 101 North Sihu Road, Nanchang hi tech Zone, Jiangxi

Patentee before: JIANGXI LATTICEBRIGHT Corp.