CN105590931A - Piranhas LED with zener diode - Google Patents
Piranhas LED with zener diode Download PDFInfo
- Publication number
- CN105590931A CN105590931A CN201610054090.1A CN201610054090A CN105590931A CN 105590931 A CN105590931 A CN 105590931A CN 201610054090 A CN201610054090 A CN 201610054090A CN 105590931 A CN105590931 A CN 105590931A
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- CN
- China
- Prior art keywords
- zener diode
- led
- zener
- led chip
- piranha
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/16—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits
- H01L25/167—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits comprising optoelectronic devices, e.g. LED, photodiodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/483—Containers
Abstract
The invention discloses a piranhas LED with a zener diode. The piranhas LED comprises a lamp core, a PCB board and an outer cover. The lamp core comprises a convex lens, an LED chip and a reflection cover. The lamp core is packaged in the outer cover through PVC glue. The piranhas LED further comprises the zener diode. The lamp core is arranged on one side of the PCB board, and the zener diode is arranged on the other side of the PCB board. The zener diode and the LED chip are connected in parallel. The uniform and stable brightness of LED displaying is realized, a good protection effect on the aspect of static defense is achieved, the service lifetime of the LED is further improved, and safer and more stable usage of the LED is realized.
Description
Technical field
The invention belongs to LED lamp field, being specifically related to is a kind of Piranha LED with Zener.
Background technology
LED (LightEmittingDiode), light emitting diode, is a kind of solid-state semiconductor devices, it can directly be converted into light electricity. The heart of LED is a semi-conductive wafer, and it is negative pole that one end of wafer is attached to one end on a support, and the other end connects the positive pole of power supply, makes whole wafer by epoxy encapsulation.
Piranha LED is a kind of method for packing, foursquare, transparent resin encapsulation; Piranha LED because its brightness is high, good heat dissipation, visual angle is large, light decay is little, the life-span is long, is widely used in brake lamp, steering indicating light, the back-up lamp of automobile. But normally used LED is easily breakdown, aspect static defence, there iing certain defect.
The technical problem existing based on above-mentioned LED, not yet has relevant solution; Therefore in the urgent need to seeking effective scheme to address the above problem.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, and a kind of Piranha LED with Zener is provided, and is intended to solve easily breakdown asking of LED in prior art.
For the problems referred to above, scheme provided by the invention is:
A kind of Piranha LED with Zener is provided, comprise wick, pcb board and outer cover, wick comprises convex lens, LED chip and reflector, wick is loaded in outer cover by PVC rubber seal, also comprise Zener diode, wick is arranged at wherein one side of pcb board, and Zener diode is arranged at the another side of pcb board, and Zener diode and LED chip are arranged in parallel.
Further, described Zener diode has two, and the negative pole anticathode of two Zener diodes is connected to form bi-directional zener diode, is connected in parallel on the two ends of LED chip.
Further, outer cover comprises male part, and wick source ends and male part are oppositely arranged, and the face that wherein wick contacts with male part is arc surface laterally.
Further, Zener diode has three, and wherein the negative pole anticathode of the first Zener diode and the second Zener diode is connected to form bi-directional zener diode, is connected in parallel on the two ends of LED chip, and the 3rd Zener diode is connected with LED chip.
Further, Zener diode and LED chip reverse parallel connection.
Further, the 3rd negative terminal of Zener diode and the anode of LED chip are connected.
Further, Zener diode is arranged on the back side of LED chip, and the positive pole of Zener diode is connected with the anodal pin of LED chip, and the negative pole of Zener diode is connected with the negative pole pin of LED chip.
Further, LED chip has multiple, series connection mutually between multiple LED chips.
Further, reflector and LED chip are packaged together by transparent epoxy resin.
Adopt above technical scheme, the present invention can arrive following technique effect:
On the basis of existing LED, increase a kind of Zener diode, can before critical breakdown reverse voltage, all there is very high-resistance semiconductor devices, on this critical breakdown point, backward resistance is reduced to a little numerical value, in this low-resistance region, electric current increase voltage keeps constant, Zener diode carrys out stepping according to breakdown voltage, because this specific character, voltage-stabiliser tube is mainly used as voltage-stablizer or voltage reference element uses, therefore, can effectively protect diode breakdown, aspect static defence, playing a good protective effect, and then improve the LED life-span, safer more stable use.
Brief description of the drawings
The Figure of description that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.
In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the circuit diagram of the embodiment of the present invention one;
Fig. 3 is the circuit diagram of the embodiment of the present invention two.
In Fig. 1: 1, outer cover; 2, Zener diode; 3, lead-in wire; 4, convex lens; 5, LED chip; 6, PVC glue; 7, reflector; 8, pcb board; 9, male part;
In Fig. 2 and Fig. 3: 11, LED chip; 12, the first Zener diode; 13, the second Zener diode; 14, the 3rd Zener diode.
Detailed description of the invention
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually. Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Refer to Fig. 1, a kind of Piranha LED with Zener provided by the invention, comprises wick, pcb board 8 and outer cover 1, and wick comprises convex lens 4, LED chip 5 and reflector 7, wick is loaded in outer cover 1 by PVC rubber seal, and reflector 7 is packaged together by transparent epoxy resin with LED chip 5, wherein also comprise Zener diode 2, Zener diode 2 is arranged at the another side of pcb board 8, Zener diode and LED chip are arranged in parallel, pcb board 8 is double-sided wiring board, the front of pcb board 8 arranges LED chip 5, the back side of pcb board 8 arranges Zener diode 2, and Zener diode 2 is in parallel with LED chip 5, lead-in wire 3 is welded on the both positive and negative polarity pad at the back side of pcb board 8, and injection moulding PVC glue 6 between lead-in wire 3 and outer cover 1, injection moulding PVC glue 6 protrudes outer cover 1, convex lens 4 are arranged on reflector 7 tops, and convex lens 4 and reflector 7 and outer cover 1 top seal with silicones, to play the effect of water proof and dust proof.
The LED that this programme provides is owing to being parallel with Zener diode, when the A termination voltage of the Zener diode on the left side just, when the A termination voltage of the Zener diode on the right is born, the Zener diode on the left side is forward conduction, be equivalent to a common diode, the Zener diode on the right is reversal connection, as Zener diode, plays pressure stabilization function; And conversely, the A termination voltage of the Zener diode on the left side is negative, the A termination voltage timing of the Zener diode on the right, the Zener diode forward conduction on the right, the Zener diode on the left side plays pressure stabilization function; Thereby no matter this device is just connecing or reversal connection, circuit voltage can be controlled in stable scope, thereby can not burn out LED chip. And Zener diode can play electrostatic leakage effect, prevent LED reverse breakdown, can also provide stable voltage and current for LED unit, prevent that LED is burned because electric current is excessive, and realize brightness that LED shows evenly, stable; Aspect static defence, play a good protective effect, and then improving LED life-span, safer more stable use.
As shown in Figure 1, outer cover 1 comprises male part 9, and wick source ends and male part 9 are oppositely arranged, and the face that wherein wick contacts with male part 9 is arc surface laterally; Can effectively expand like this LED light source, particularly long wave light source, improve scattering and the conversion ratio of light source.
Consulting Fig. 2, is to improve the protective action of LED chip, and preferably, Zener diode has two, and the negative pole anticathode of two Zener diodes is connected to form bi-directional zener diode, is connected in parallel on the two ends of LED chip; And Zener diode is arranged on the back side of LED chip, the positive pole of Zener diode is connected with the anodal pin of LED chip, and the negative pole of Zener diode is connected with the negative pole pin of LED chip. Zener diode can play electrostatic leakage effect like this, prevents LED reverse breakdown, can also provide stable voltage and current for LED unit, prevents that LED is burned because electric current is excessive, guarantees the service life of LED, and realize brightness that LED shows evenly, stable.
Consult Fig. 3, preferably, Zener diode has three, wherein the negative pole anticathode of the first Zener diode 12 and the second Zener diode 13 is connected to form bi-directional zener diode, be connected in parallel on the two ends of LED chip 11, the 3rd Zener diode 14 is connected with LED chip 11, and the negative pole of the 3rd Zener diode 14 with and the positive pole of LED chip 11 is connected; Further, LED chip 11 can be multiple for having, series connection mutually between multiple LED chips 11; The same like this service life that can guarantee LED, and realize brightness that LED shows evenly, stable.
Preferably; Zener diode and LED chip reverse parallel connection; by adding a Zener diode that itself and LED chip are carried out to reverse parallel connection (in the time that backward voltage meets or exceeds a certain value as 5v in packaging process; Zener diode conducting also guarantees that LED backward voltage is no more than this value); thereby effectively protect LED diode; improve the original common also holding circuit of going here and there in monoblock circuit, simplified whole plate design and saved cost.
The present invention adopts such scheme can solve Piranha LED in prior art and exists two deadly defects: the one, and electric current and spread of voltage; The 2nd, for the resistivity of the static from circuit and remaining capacity a little less than, high voltage, the large electric current of moment all can produce mortal injury to LED product; The brightness that realizes LED demonstration is even, stable; Aspect static defence, play a good protective effect, and then improving LED life-span, safer more stable use.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations. Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. the Piranha LED with Zener, comprise wick, pcb board and outer cover, described wick comprises convex lens, LED chip and reflector, described wick is loaded in described outer cover by PVC rubber seal, it is characterized in that, also comprise Zener diode, described wick is arranged at wherein one side of described pcb board, described Zener diode is arranged at the another side of described pcb board, and described Zener diode and described LED chip are arranged in parallel.
2. the Piranha LED with Zener according to claim 1, is characterized in that, described Zener diode has two, and the negative terminal of two described Zener diodes is connected to form bi-directional zener diode to negative terminal, is connected in parallel on the two ends of LED chip.
3. the Piranha LED with Zener according to claim 1, is characterized in that, described outer cover comprises male part, and described wick source ends and described male part are oppositely arranged, and the face that wherein said wick contacts with described male part is arc surface laterally.
4. the Piranha LED with Zener according to claim 1, it is characterized in that, described Zener diode has three, wherein the negative pole anticathode of the first Zener diode and the second Zener diode is connected to form bi-directional zener diode, be connected in parallel on the two ends of LED chip, the 3rd Zener diode is connected with described LED chip.
5. the Piranha LED with Zener according to claim 1, is characterized in that, described Zener diode and described LED chip reverse parallel connection.
6. the Piranha LED with Zener according to claim 4, is characterized in that, the 3rd negative pole of described Zener diode and the positive pole of described LED chip are connected.
7. the Piranha LED with Zener according to claim 1, it is characterized in that, described Zener diode is arranged on the back side of described LED chip, the positive pole of described Zener diode is connected with the anodal pin of described LED chip, and the negative pole of described Zener diode is connected with the negative pole pin of described LED chip.
8. the Piranha LED with Zener according to claim 1, is characterized in that, described LED chip has multiple, series connection mutually between multiple described LED chips.
9. the Piranha LED with Zener according to claim 1, is characterized in that described reflector and described LED chip are packaged together by transparent epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054090.1A CN105590931A (en) | 2016-01-27 | 2016-01-27 | Piranhas LED with zener diode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054090.1A CN105590931A (en) | 2016-01-27 | 2016-01-27 | Piranhas LED with zener diode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105590931A true CN105590931A (en) | 2016-05-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610054090.1A Pending CN105590931A (en) | 2016-01-27 | 2016-01-27 | Piranhas LED with zener diode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105590931A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201114864Y (en) * | 2007-08-23 | 2008-09-10 | 刘洋 | LED protection device |
| CN101782226A (en) * | 2010-03-24 | 2010-07-21 | 彩虹集团公司 | LED lamp with voltage-regulator diode protection |
| CN101917790A (en) * | 2010-07-15 | 2010-12-15 | 缪晴文 | LED illumination equipment and Open-circuit breakover element thereof |
| CN202034369U (en) * | 2011-03-22 | 2011-11-09 | 深圳市国冶星光电子有限公司 | Packaging structure preventing light-emitting diode (LED) chip from being damaged |
| CN203800045U (en) * | 2014-03-19 | 2014-08-27 | 吴迪 | Novel LED lamp, and constant-current lamp string using LED lamp |
| CN104661353A (en) * | 2013-11-20 | 2015-05-27 | 陈志明 | Alternate current electric-drive LED lamp and manufacturing method thereof |
| CN204681643U (en) * | 2015-06-03 | 2015-09-30 | 中山市晶得光电有限公司 | With the LED matrix of reverse protection |
| CN205155883U (en) * | 2015-11-19 | 2016-04-13 | 天津天新世纪照明工程有限公司 | LED lamp pearl protection architecture |
| CN205488127U (en) * | 2016-01-27 | 2016-08-17 | 长兴科迪光电股份有限公司 | Eat mermaid LED with neat nanotube |
-
2016
- 2016-01-27 CN CN201610054090.1A patent/CN105590931A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201114864Y (en) * | 2007-08-23 | 2008-09-10 | 刘洋 | LED protection device |
| CN101782226A (en) * | 2010-03-24 | 2010-07-21 | 彩虹集团公司 | LED lamp with voltage-regulator diode protection |
| CN101917790A (en) * | 2010-07-15 | 2010-12-15 | 缪晴文 | LED illumination equipment and Open-circuit breakover element thereof |
| CN202034369U (en) * | 2011-03-22 | 2011-11-09 | 深圳市国冶星光电子有限公司 | Packaging structure preventing light-emitting diode (LED) chip from being damaged |
| CN104661353A (en) * | 2013-11-20 | 2015-05-27 | 陈志明 | Alternate current electric-drive LED lamp and manufacturing method thereof |
| CN203800045U (en) * | 2014-03-19 | 2014-08-27 | 吴迪 | Novel LED lamp, and constant-current lamp string using LED lamp |
| CN204681643U (en) * | 2015-06-03 | 2015-09-30 | 中山市晶得光电有限公司 | With the LED matrix of reverse protection |
| CN205155883U (en) * | 2015-11-19 | 2016-04-13 | 天津天新世纪照明工程有限公司 | LED lamp pearl protection architecture |
| CN205488127U (en) * | 2016-01-27 | 2016-08-17 | 长兴科迪光电股份有限公司 | Eat mermaid LED with neat nanotube |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160518 |
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| RJ01 | Rejection of invention patent application after publication |