CN201475770U - LED imperishable lamp decorative string - Google Patents
LED imperishable lamp decorative string Download PDFInfo
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- CN201475770U CN201475770U CN2009203057631U CN200920305763U CN201475770U CN 201475770 U CN201475770 U CN 201475770U CN 2009203057631 U CN2009203057631 U CN 2009203057631U CN 200920305763 U CN200920305763 U CN 200920305763U CN 201475770 U CN201475770 U CN 201475770U
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Abstract
The utility model relates to an LED imperishable lamp decorative string, which comprises divider resistances and LEDs. A AC voltage is connected in series with a plurality of zener diodes by the divider resistances. Both ends of each zener diode are clamped with a constant voltage and are connected in parallel with the LEDs to form the LED imperishable lamp decorative string. When the LED imperishable lamp decorative string of the utility model works, if certain lamp is broken or moved away, other lamps on the string can still normally shine. Moreover, the decorative string of the utility model has simple and novel structure, does not need to carry out current conversion, cannot increase the power and saves energy and electricity, thereby being more favorable for being used.
Description
Technical field
The utility model relates to a kind of LED lamp string, is meant a kind of structural improvement that utilizes electric resistance partial pressure to reach the LED unextinguishing lamp decoration lamp string especially.
Background technology
Light emitting diode, promptly usually said LED is a kind of common semiconductor element, it has energy saving, is difficult for heating, even, the in bright gay color advantage such as clear of long service life, brightness, is widely used in illumination and decorative lamp.
Present LED lamp string is that a plurality of LED are together in series mostly, and then go up operating voltage for LED lamp serial connection, so that LED lamp string operate as normal, as shown in Figure 1, alternating voltage AC120V converts DC voltage to through rectifier 5, the LED lamp string work that supplies a plurality of LED to be composed in series, if one of them LED opens circuit, then remaining LED is all no longer luminous, for example: the LED lamp string of 40 blue led series connection assemblings, the specification of each blue led is 3V/0.02A, when opening circuit or being moved out of appears in one of them LED, remaining 39 LED will cause not luminous, influence illumination and decorative effect.
With reference to Fig. 2, for addressing the above problem, a plurality of LED parallel connections can be combined into LED lamp string, like this when a LED opens circuit, can not influence the luminous of other LED on the lamp string yet, but, because the total quantity N of operating current IF * LED of total work electric current I=each LED, if LED quantity in parallel is many more, the operating current that then needs is just big more, for example: 35 LED lamp strings that White LED composes in parallel, the specification of each White LED is 3.2V/0.02A, and the operating voltage that offers LED lamp string is 3.2V, and operating current just is 35 LED electric current sums, be 0.02A * 35=0.7A, the operating voltage of this lamp string and operating current be by a converter 6, and the direct current that converts the AC120V operating voltage of civilian electricity or appointment to DC3.5V and 0.7A is to supply with the lamp string, and a LED in the lamp string opens circuit or is moved out of, then other 34 LED can be normally luminous, can continue to provide illumination and decorative effect is provided.The lamp string that this a plurality of LED composes in parallel, though can solve the problem of above-mentioned series LED lamp string, certain LED occurs opening circuit or does not influence the normally luminous of other LED when being moved out of on the lamp string, but the converter 6 that this lamp string relates to need become low-voltage with mains voltage or assigned work voltage transitions, the working power of high electric current, bring bigger difficulty for design or circuit design, and increased the cost of product, be unfavorable for producing.
In view of this, the designer of the invention has carried out deep discussion to the problems referred to above, and by the research and development of being engaged in related industry for many years and manufacturing experience, actively seek solution, research and development through long-term endeavour, develop a kind of LED decorative chain that do not go out, commonly used the problem of creation with improvement.
Summary of the invention
The utility model provides a kind of LED that is in series by LED the decorative chain that do not go out, it has solved when an one LED occurs opening circuit or is moved out of, and can cause the non-luminous problem of other LED, simultaneously, when also having solved LED and being unified into the lamp string, need provide the difficult problem of big operating current.
The utility model is that the technical scheme that its technical problem of solution is adopted is:
A kind of LED unextinguishing lamp decoration lamp string comprises divider resistance and LED, and alternating voltage is by divider resistance a plurality of Zener diodes of connecting, and it is in parallel with LED that a constant voltage is clamped down at each Zener diode two ends, constitutes the LED device lamp string of not turning off the light.
The beneficial effects of the utility model are: a kind of LED unextinguishing lamp decoration lamp string of the present utility model, when work, if wherein certain lamp opens circuit or is removed, other lamps on the lamp string still can be normally luminous, and lamp string structure of the present utility model is simply novel, do not need to carry out current conversion, can not increase power, therefore energy saving more helps using.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is traditional tandem type LED lamp string road schematic diagram;
Fig. 2 is traditional parallel LED lamp string road schematic diagram;
Fig. 3 is the circuit theory diagrams of embodiment one;
Fig. 4 is the circuit theory diagrams of embodiment two;
Fig. 5 is the circuit theory diagrams of embodiment three;
Fig. 6 is the circuit theory diagrams of embodiment four;
Fig. 7 is the circuit theory diagrams of embodiment five;
Fig. 8 is the circuit theory diagrams of embodiment six;
Fig. 9 is the circuit theory diagrams of embodiment seven;
Figure 10 is the circuit theory diagrams of embodiment eight;
Figure 11 is the circuit theory diagrams of embodiment nine;
Figure 12 is the circuit theory diagrams of embodiment ten;
Figure 13 is the circuit theory diagrams of embodiment 11;
Figure 14 is the circuit theory diagrams of embodiment 12;
Figure 15 is the circuit theory diagrams of embodiment 13.
Each element numbers explanation among the figure: 1, divider resistance, 11 commutation diodes, 12, resistance, 2, Zener diode, 2 ', resistance, 3, LED, 4, osram lamp.
The specific embodiment
The invention comprises divider resistance 1 and LED 3, and alternating voltage is by a plurality of Zener diodes 2 of divider resistance 1 series connection, and it is in parallel with LED 3 that a constant voltage is clamped down at each Zener diode 2 two ends, the formation LED device lamp string of not turning off the light.Divider resistance 1 wherein can be single resistor assembly, or is composed in series by commutation diode 11 and resistance 12; Zener diode 2 can be bi-directional voltage stabilizing diode or unidirectional Zener diode; LED 3 is general light emitting diode bulb, and its structural group becomes general known technology, repeats no more.
Further specify below in conjunction with the various embodiments of accompanying drawing its design variation:
Embodiment one
As shown in Figure 3, utilize divider resistance to fall part voltage in 1 minute, Yu Xia voltage is added on the bi-directional voltage stabilizing diode 2 then, each bi-directional voltage stabilizing diode 2 two ends produces a constant voltage, Zener diode 2 is the bi-directional voltage stabilizing diode, its two ends LED 3 that is connected in parallel has just constituted the LED unextinguishing lamp decoration lamp string.When a LED 3 on the lamp string occurs opening circuit, comes off or is moved out of, circuit still provides normal operating current for other LED 3 through the Zener diode 2 corresponding with this LED 3, guarantee that the lamp string is normally luminous, be unlikely to influence integral illumination and decorative effect.For example: the unextinguishing lamp decoration lamp string of 30 LED, the operating voltage of lamp string is AC120V, the LED specification is 3V/0.02A, the voltage that the divider resistance branch falls is 30V, after 30 bi-directional voltage stabilizing diode series connection, the constant voltage that each bi-directional voltage stabilizing diode produces is 3V, the LED3 of 3V/0.02A is connected in parallel on the Zener diode 2, LED3 just can be normally luminous, constituted the LED unextinguishing lamp decoration lamp string, when LED3 on the lamp string or a plurality of LED 3 occur opening circuit or are moved out of, the electric current corresponding Zener diode 2 of still flowing through, guarantee other LED 3 energy operate as normal, be unlikely to influence the illumination and the decorative effect of lamp string.
Embodiment two
With reference to Fig. 4, divider resistance fell part voltage in 1 minute, can utilize resistance 2 ' to replace Zener diode 2, remaining voltage is added on the resistance 2 ', each resistance 2 ' produces a constant voltage, and the LED 3 that is connected in parallel at resistance 2 ' two ends has just constituted the LED unextinguishing lamp decoration lamp string.When a LED 3 on the lamp string occurred opening circuit, comes off or is moved out of, electric current still passed through corresponding resistance 2 ' and normal operating current is provided for other LED 3, guarantees that the lamp string is normally luminous, is unlikely to influence illumination and decorative effect.For example: the unextinguishing lamp decoration lamp string of 25 LED, the operating voltage of lamp string is AC120V, LED 3 specifications are 3V/0.02A, the voltage that the divider resistance branch falls is 45V, after 25 resistance series connection, the constant voltage that each resistance produces is 3V, the LED 3 of 3V/0.02A is connected in parallel on the resistance, LED 3 just can be normally luminous, just constituted the LED unextinguishing lamp decoration lamp string, when LED 3 on the lamp string or a plurality of LED 3 occur opening circuit or are moved out of, the electric current corresponding resistance of still flowing through, guarantee other LED 3 energy operate as normal, be unlikely to influence the illumination and the decorative effect of lamp string.
Embodiment three
With reference to Fig. 5, divider resistance 1 is made up of commutation diode 11 and resistance 12, divider resistance fell part voltage in 1 minute, Yu Xia voltage is added on the Zener diode 2 then, Zener diode 2 wherein is the bi-directional voltage stabilizing diode, each Zener diode 2 two ends produces a constant voltage, and the LED 3 that is connected in parallel at Zener diode 2 two ends has just constituted the LED unextinguishing lamp decoration lamp string.When a LED 3 on the lamp string occurred opening circuit, comes off or is moved out of, electric current still provided normal operating current for other LED 3 through corresponding bi-directional voltage stabilizing diode 2, guaranteed that the lamp string is normally luminous, was unlikely to influence illumination and decorative effect.For example: the unextinguishing lamp decoration lamp string of 20 LED, the operating voltage of lamp string is AC120V, the LED specification is 3V/0.02A, divider resistance 1 is made of commutation diode 11 and resistance 12, the voltage that divider resistance fell in 1 minute is 60V, after 20 Zener diode 2 series connection, the constant voltage that each Zener diode 2 produces is 3V, the LED 3 of 3V/0.02A is connected in parallel on the Zener diode 2, LED 3 just can be normally luminous, constituted the LED unextinguishing lamp decoration lamp string, when LED 3 on the lamp string or a plurality of LED 3 occur opening circuit or are moved out of, the electric current corresponding Zener diode 2 of still flowing through guarantees that other LED can operate as normal, is unlikely to influence the illumination and the decorative effect of lamp string.
Embodiment four
With reference to Fig. 6, its structure is identical with embodiment three, and wherein, divider resistance 1 is made up of commutation diode 11 and resistance 12, and commutation diode 11 wherein is a rectifier bridge.
Embodiment five
With reference to Fig. 7, resistance 1 is made of commutation diode 11 and resistance 12, divider resistance fell part voltage in 1 minute, Yu Xia voltage is added on the Zener diode 2 then, wherein Zener diode 2 is unidirectional Zener diode, each diode 2 two ends produces a constant voltage, and the LED that is connected in parallel at Zener diode 2 two ends has just constituted the LED unextinguishing lamp decoration lamp string.As a LED 3 tunnel on the lamp string, come off or when being moved out of, electric current is still given other LED 3 normal operating currents through corresponding Zener diode 2, guarantee that the lamp string is normally luminous, be unlikely to influence and throw light on and decorative effect.For example: the unextinguishing lamp decoration lamp string of 20 LED, the operating voltage of lamp string is AC120V, the LED specification is 3V/0.02A, divider resistance 1 is made of commutation diode 11 and resistance 12, the voltage that divider resistance fell in 1 minute is 60V, after 20 Zener diode 2 series connection, the constant voltage that each Zener diode 2 produces is 3V, the LED of 3V/0.02A is connected in parallel on the Zener diode 2, LED just can be normal luminous, just constituted the LED unextinguishing lamp decoration lamp string, when LED 3 on the lamp string or a plurality of LED 3 occur opening circuit or are moved out of, the electric current corresponding bi-directional voltage stabilizing diode 2 of still flowing through guarantees that other LED 3 can operate as normal, is unlikely to influence the illumination and the decorative effect of lamp string.
Embodiment six
With reference to Fig. 8, divider resistance 1 is made of commutation diode 11 and resistance 12, divider resistance fell part voltage in 1 minute, and utilize resistance 2 ' to replace Zener diode 2, remaining voltage is added on the resistance 2 ', each resistance 2 ' produces a constant voltage, and the LED 3 that is connected in parallel at resistance 2 ' two ends has just constituted the LED unextinguishing lamp decoration lamp string.When a LED 3 on the lamp string occurred opening circuit, comes off or is moved out of, electric current still passed through corresponding resistance 2 ' and normal operating current is provided for other LED 3, guarantees that the lamp string is normally luminous, is unlikely to influence illumination and decorative effect.For example: the unextinguishing lamp decoration lamp string of 25 LED, the operating voltage of lamp string is AC120V, the LED specification is 2V/0.02A, the voltage that divider resistance fell in 1 minute is 70V, after 25 resistance 2 ' series connection, the constant voltage that each resistance 2 ' produces is 2V, the LED 3 of 2V/0.02A is connected in parallel on the resistance 2 ', LED 3 just can be normal luminous, just constituted the LED unextinguishing lamp decoration lamp string, when LED 3 on the lamp string or a plurality of LED 3 occur opening circuit or are moved out of, the electric current corresponding resistance 2 ' of still flowing through, guarantee other LED 3 energy operate as normal, be unlikely to influence the illumination and the decorative effect of lamp string.
Embodiment seven
With reference to Fig. 9, its structure is identical with embodiment six, and wherein, divider resistance 1 is made up of commutation diode 11 and resistance 12, and commutation diode 11 wherein is a rectifier bridge.
Embodiment eight
With reference to Figure 10, divider resistance 1 is made of commutation diode 11 and resistance 12, divider resistance fell part voltage in 1 minute, Yu Xia voltage is added on the Zener diode 2 then, Zener diode 2 wherein is the bi-directional voltage stabilizing diode, and at Zener diode 2 two ends shunt capacitances, each Zener diode 2 two ends produces a constant voltage, at Zener diode 2 two ends parallel connection LEDs 3, just constituted the LED decorative chain that do not go out.For example: the unextinguishing lamp decoration lamp string of 35 LED, the operating voltage of lamp string is AC120V, LED 3 specifications are 2V/0.02A, the voltage that divider resistance fell in 1 minute is 50V, after 35 Zener diode series connection 2, shunt capacitance again, the constant voltage that each Zener diode 2 two ends produces is 2V, the LED 3 of 2V/0.02A is connected in parallel on the Zener diode 2, and LED 3 just can be normally luminous, constituted the LED unextinguishing lamp decoration lamp string, when LED 3 on the lamp string or a plurality of LED 3 occur opening circuit or are moved out of, the electric current corresponding resistance of still flowing through guarantees that other LED 3 can operate as normal, is unlikely to influence the illumination and the decorative effect of lamp string.
Embodiment nine
With reference to Figure 11, divider resistance 1 is made of commutation diode 11 and resistance 12, utilize resistance 2 ' to replace Zener diode 2, divider resistance fell part voltage in 1 minute, Yu Xia voltage is added on the resistance 2 ' then, and at resistance 2 ' two ends shunt capacitances, resistance 2 ' two ends produce a constant voltage, at resistance 2 ' two ends parallel connection LEDs 3, just constituted LED 3 decorative chain that do not go out.For example: the unextinguishing lamp decoration lamp string of 35 LED, the operating voltage of lamp string is AC120V, LED 3 specifications are 3V/0.02A, the voltage that divider resistance fell in 1 minute is 15V, after 35 resistance 2 ' series connection, shunt capacitance again, the constant voltage that each resistance 2 ' two ends produces is 3V, the LED 3 of 3V/0.02A is connected in parallel on the resistance 2 ', and LED 3 just can be normal luminous, just constituted the LED unextinguishing lamp decoration lamp string, when LED 3 on the lamp string or a plurality of LED 3 occur opening circuit or are moved out of, the electric current corresponding resistance 2 ' of still flowing through guarantees that other LED 3 can operate as normal, is unlikely to influence the illumination and the decorative effect of lamp string.
Embodiment ten
With reference to Figure 12, Zener diode 2 is the bi-directional voltage stabilizing diode, when Zener diode 2 constant voltage sum when providing operating voltage to equate, can save divider resistance 1.For example: the unextinguishing lamp decoration lamp string of 40 LED, the operating voltage of lamp string is AC120V, LED 3 specifications are 3V/0.02A, after 40 Zener diode 2 series connection, the constant voltage that each Zener diode 2 two ends produces is 3V, the LED 3 of 3V/0.02A is connected in parallel on the Zener diode 2, and LED just can be normal luminous, just constituted the LED unextinguishing lamp decoration lamp string.Again for example, the unextinguishing lamp decoration lamp string of 24 LED, lamp string operating voltage is AC120V, LED 3 specifications are 5V/0.02A, after 24 Zener diodes 2 are connected in series, each Zener diode 2 constant voltage be 5V, the LED 3 of 5V/0.02A is connected in parallel with Zener diode 2, LED just can be normal luminous, equally just constituted the LED unextinguishing lamp decoration lamp string.When LED 3 on the lamp string or a plurality of LED 3 occurred opening circuit or be moved out of, the electric current corresponding resistance 2 ' of still flowing through guaranteed that other LED 3 can operate as normal, is unlikely to influence the illumination and the decorative effect of lamp string.
With reference to Figure 13, utilize resistance 2 ' to replace Zener diode 2, when resistance 2 ' constant voltage sum when providing operating voltage to equate, can save divider resistance 1.For example: the unextinguishing lamp decoration lamp string of 60 LED, the operating voltage of lamp string is AC120V, LED 3 specifications are 2V/0.02A, after 60 resistance 2 ' series connection, the constant voltage that each resistance 2 ' two ends produces is 2V, the LED 3 of 2V/0.02A is connected in parallel on the resistance 2 ', and LED 3 just can be normal luminous, just constituted the LED unextinguishing lamp decoration lamp string.Again for example, the unextinguishing lamp decoration lamp string of 20 LED, lamp string operating voltage is AC120V, the specification of LED 3 is 6V/0.02A, after 20 resistance 2 ' are connected in series, each resistance 2 ' constant voltage be 6V, the LED 3 of 6V/0.02A is connected in parallel with resistance 2 ', LED 3 just can be normally luminous, equally just constituted the LED unextinguishing lamp decoration lamp string.When LED 3 on the lamp string or a plurality of LED 3 occurred opening circuit or be moved out of, the electric current corresponding resistance 2 ' of still flowing through guaranteed that other LED 3 can operate as normal, is unlikely to influence the illumination and the decorative effect of lamp string.
With reference to Figure 14, divider resistance was fallen a part of voltage in 1 minute, Yu Xia voltage is added on the Zener diode 2 then, Zener diode 2 wherein is the bi-directional voltage stabilizing diode, each Zener diode 2 two ends produces a constant voltage, be connected in parallel at Zener diode 2 two ends LED 3 and osram lamp 4 have just constituted unextinguishing lamp decoration lamp string.As certain LED 3 on the lamp string, when osram lamp 4 occurs opening circuit, comes off or is moved out of, electric current still provides normal operating current for other LED 3 or osram lamp 4 through corresponding Zener diode 2, guarantee that the lamp string is normally luminous, be unlikely to influence illumination and decorative effect.For example: the unextinguishing lamp decoration lamp string of 30 lamps, the operating voltage of lamp string is AC120V, LED 3 specifications are 3V/0.02A, osram lamp 4 specifications are 3V/0.1A, the voltage that divider resistance fell in 1 minute is 30V, after 30 Zener diode series connection 2, the constant voltage that each voltage stabilizing two utmost points 2 pipe produces is 3V, the osram lamp 4 of the LED 3 of 3V/0.02A and 3V/0.1A is connected in parallel on the Zener diode 2, LED 3 and osram lamp 4 just can be normally luminous, constituted unextinguishing lamp decoration lamp string, certain LED 3 on the lamp string or osram lamp 4 or a plurality of LED 3, osram lamp 4 occurs opening circuit or when being moved out of, the electric current corresponding Zener diode 2 of still flowing through guarantees that other LED 3 and osram lamp 4 can operate as normal, is unlikely to influence the illumination and the decorative effect of lamp string.
Embodiment 13
With reference to Figure 15, divider resistance was fallen part voltage in 1 minute, utilize resistance 2 ' to replace Zener diode 2, remaining voltage is added on the resistance 2 ', each resistance 2 ' produces a constant voltage, and be connected in parallel at resistance 2 ' two ends LED 3 and osram lamp 4 have just constituted unextinguishing lamp decoration lamp string.When certain LED 3 on the lamp string or osram lamp 4 occur opening circuit, come off or are moved out of, electric current still passes through corresponding resistance 2 ' and normal operating current is provided for other LED 3 and osram lamp 4, guarantee that the lamp string is normally luminous, be unlikely to influence illumination and decorative effect.For example: the unextinguishing lamp decoration lamp string of 20 each lamp, the operating voltage of lamp string is AC120V, LED 3 specifications are 3V/0.02A, the specification of osram lamp 4 is 3V/0.1A, the voltage that divider resistance fell in 1 minute is 60V, after 20 resistance 2 ' series connection, the constant voltage that each resistance 2 ' produces is 3V, the LED 3 of 3V/0.02A and the osram lamp 4 of 3V/0.1A are connected in parallel on the resistance, LED 3 and osram lamp 4 just can be normally luminous, constituted unextinguishing lamp decoration lamp string, certain LED 3 on the lamp string, osram lamp 4 or a plurality of LED 3, osram lamp 4 occurs opening circuit or when being moved out of, the electric current corresponding resistance 2 ' of still flowing through guarantees other LED 3, osram lamp 4 can operate as normal, are unlikely to influence the illumination and the decorative effect of lamp string.
In sum, the invention has splendid progress and practicality in fact in like product, and its lamp string structure is simply novel, does not need to carry out current conversion, can not increase power, and therefore energy saving more helps using.
Certainly, the invention is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present utility model with essentially identical means, all should belong to the protection domain of invention.
Claims (10)
1. LED unextinguishing lamp decoration lamp string, comprise divider resistance and LED, it is characterized in that alternating voltage by divider resistance a plurality of Zener diodes of connecting, it is in parallel with LED that a constant voltage is clamped down at each Zener diode two ends, constitutes the LED device lamp string of not turning off the light.
2. LED unextinguishing lamp decoration lamp string according to claim 1 is characterized in that described divider resistance is that commutation diode and resistance series connection constitute.
3. LED unextinguishing lamp decoration lamp string according to claim 1 is characterized in that described Zener diode is bi-directional voltage stabilizing diode or unidirectional Zener diode, also can be the resistance that is parallel with electric capacity.
4. according to claim 1 or 3 described LED unextinguishing lamp decoration lamp strings, it is characterized in that described Zener diode two ends are parallel with electric capacity.
5. according to claim 1 or 3 described LED unextinguishing lamp decoration lamp strings, the operating voltage that provided is provided the constant voltage sum that it is characterized in that described Zener diode.
6. according to claim 1 or 3 described LED unextinguishing lamp decoration lamp strings, it is characterized in that described Zener diode two ends parallel connection LED or osram lamp, or the combination of LED and osram lamp.
7. according to claim 1 or 3 described LED unextinguishing lamp decoration lamp strings, it is characterized in that each Zener diode can a plurality of LED in parallel.
8. LED unextinguishing lamp decoration lamp string according to claim 1 is characterized in that described divider resistance is composed in series by electric capacity and resistance, or is made of electric capacity and resistance parallel connection.
9. LED unextinguishing lamp decoration lamp string according to claim 1 is characterized in that described LED unextinguishing lamp decoration lamp string is that LED and osram lamp mixing are composed in series.
10. LED unextinguishing lamp decoration lamp string according to claim 1 is characterized in that described LED can be a common LED, also can be flicker LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203057631U CN201475770U (en) | 2009-07-07 | 2009-07-07 | LED imperishable lamp decorative string |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203057631U CN201475770U (en) | 2009-07-07 | 2009-07-07 | LED imperishable lamp decorative string |
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| CN201475770U true CN201475770U (en) | 2010-05-19 |
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| CN2009203057631U Expired - Fee Related CN201475770U (en) | 2009-07-07 | 2009-07-07 | LED imperishable lamp decorative string |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014166363A1 (en) * | 2013-04-08 | 2014-10-16 | Han Houhua | Light string |
| CN105333371A (en) * | 2015-11-18 | 2016-02-17 | 上海瑞丰光电子有限公司 | LED light emitting device |
| US9313866B2 (en) | 2013-04-08 | 2016-04-12 | Houhua Han | Light string |
-
2009
- 2009-07-07 CN CN2009203057631U patent/CN201475770U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014166363A1 (en) * | 2013-04-08 | 2014-10-16 | Han Houhua | Light string |
| US9313866B2 (en) | 2013-04-08 | 2016-04-12 | Houhua Han | Light string |
| CN105333371A (en) * | 2015-11-18 | 2016-02-17 | 上海瑞丰光电子有限公司 | LED light emitting device |
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