CN203571498U - High-safety compatible LED lamp tube - Google Patents

High-safety compatible LED lamp tube Download PDF

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Publication number
CN203571498U
CN203571498U CN201320713336.3U CN201320713336U CN203571498U CN 203571498 U CN203571498 U CN 203571498U CN 201320713336 U CN201320713336 U CN 201320713336U CN 203571498 U CN203571498 U CN 203571498U
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China
Prior art keywords
rectifier bridge
fluorescent tube
diode
led
switch
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Expired - Fee Related
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CN201320713336.3U
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Chinese (zh)
Inventor
杨华胜
兰鸿海
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EVERICH TECHNOLOGY Co Ltd
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EVERICH TECHNOLOGY Co Ltd
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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

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Abstract

The utility model provides a high-safety compatible LED lamp tube which comprises a lamp tube body. The two ends of the lamp tube body are respectively provided with two lamp pins which protrude out of the lamp tube body, a compatible driving power source is arranged inside the lamp tube body, and each lamp pin is electrically connected with the compatible driving power source through a switch. The two ends of the lamp tube body are respectively provided with a pressing body. Each pressing body comprises a pressing part and a connecting part, wherein the pressing parts extend out of the lamp tube body in a normal state, and each connecting part enables the two corresponding switches located at the same end of the lamp tube body to be electrically connected when the corresponding pressing part is pressed towards the interior of the lamp tube body. Every two switches located at the same end of the lamp tube body are fixedly connected with the connecting part of the pressing body at the same end as the switches. According to the high-safety compatible LED lamp tube, the LED lamp tube and a fluorescent tube can be compatibly used on an original fluorescent lighting fixture with no need for changes in circuit structure; besides, the high-safety requirement that when the two lamp pins at one end of the lamp tube are connected into a power grid, the two lamp pins at the other end of the lamp tube are electrically neutral is met, so that compatibility and safety are guaranteed at the same time.

Description

High safety-compliant type LED fluorescent tube
Technical field
The utility model relates to LED fluorescent tube, is specifically related to safety-compliant type LED fluorescent tube.
Background technology
Traditional fluorescent lamp is fluorescent lamp, need to adopt ballast driven, and in recent years day by day universal LED fluorescent lamp can not be directly installed on fluorescent lighting fixture and use, the circuit configurations that need to extract the whole original Inductive ballasts of fluorescent lighting fixture or electric ballast, change light fixture could meet the use of LED fluorescent tube, but the light fixture after change circuit configurations cannot be lighted fluorescent tube illumination again, cause great manpower waste and user to apply inconvenience.
On the other hand, the Electrical Safety of domestic electric appliances is also the problem that must pay close attention to, the fluorescent tube safety standard in the U.S. and Europe requires at present: when electrical network is with in two pin accesses of LED fluorescent tube one end, two lamp bases of the fluorescent tube other end can not be charged, because ballast is all two ends power supplies, cannot, by the mode head it off of single-ended power supply, therefore, in the situation that keeping fluorescent lamp and LED lamp compatibility, can not meet such safety standard requirement.
Utility model content
For above-mentioned prior art deficiency, the technical problems to be solved in the utility model is to provide a kind of compatible type LED fluorescent tube, and while meeting two pin access band electrical network of fluorescent tube one end, two uncharged safety requirements of lamp base of the other end.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: high safety-compliant type LED fluorescent tube, comprise fluorescent tube body, and the two ends of fluorescent tube body are respectively provided with two and protrude from the external lamp base of fluorescent tube, are provided with compatible type driving power in fluorescent tube body; Each lamp base is respectively electrically connected by a switch and compatible type driving power; The two ends of fluorescent tube body are respectively provided with a pressing body; Described pressing body comprises and under normality, stretches out in the external press section of fluorescent tube, and when press section can make to be positioned at two connecting portions that switch conduct of fluorescent tube body with one end when pushing in fluorescent tube body; Two switches of fluorescent tube body one end are fixedly connected with the connecting portion of the pressing body that is positioned at same one end.
Preferably, described switch is for often opening key switch; The connecting portion of described pressing body is connecting plate; Connecting plate is fixedly connected with two corresponding keytops of often opening key switch.
Further technical scheme is that the connecting portion of described pressing body is also fixedly connected with flexible restoring organ.
Particularly, lamp base L1 and lamp base N1 are positioned at the first end of fluorescent tube body, and lamp base L2 and lamp base N2 are positioned at the second end of fluorescent tube body; Described compatible type driving power comprises that the first rectifier bridge, the second rectifier bridge, LED drive chip and LED output; Lamp base L1 is connected to the first input end of the first rectifier bridge by switch S 1, lamp base N1 is connected to the second input of the first rectifier bridge by switch S 2; Lamp base L2 is connected to the first input end of the second rectifier bridge by switch S 3, lamp base N2 is connected to the second input of the second rectifier bridge by switch S 4; The positive output end of the first rectifier bridge is connected with the positive output end of the second rectifier bridge, the negative output terminal of the first rectifier bridge, the equal ground connection of negative output terminal of the second rectifier bridge; The positive output end of the first rectifier bridge is also by capacitor C 13 ground connection; The positive output end of the first rectifier bridge also drives chip to be connected to LED output by LED.
Further, the positive output end of the first rectifier bridge is also connected to the anode of electrochemical capacitor C5 and the negative electrode of diode D14, the anodic bonding of the negative electrode of electrochemical capacitor C5 and diode D13, the anodic bonding of the negative electrode of diode D13 and diode D14; The anode of diode D13 is also connected with the negative electrode of diode D11, the plus earth of diode D11; The negative electrode of diode D13 also with the anodic bonding of electrochemical capacitor C4, the anodic bonding of the negative electrode of electrochemical capacitor C4 and diode D11; Between the negative output terminal of the anode of diode D11 and the first rectifier bridge, be also connected with inductance L 6.
Again further, the positive output end of the first rectifier bridge is connected to the feeder ear VIN of LED driving chip by the series arm of resistance R 3 and resistance R 4; LED drives the current sample end CS of chip to be connected to the source electrode of metal-oxide-semiconductor Q1; LED drives the ground end GND ground connection of chip; LED drives the signal output part GATE of chip by resistance R 7, to be connected to the grid of metal-oxide-semiconductor Q1, and signal output part GATE is also connected with the negative electrode of diode D1, and the anodic bonding of diode D1 is to the grid of metal-oxide-semiconductor Q1; LED drives signal light modulation end PWMD, the reference voltage terminal VDD of chip and simulates light modulation end LD the first end that is all connected to capacitor C 3, the second end ground connection of capacitor C 3; LED drives the frequency setting end ROSC of chip to be connected to the grid of metal-oxide-semiconductor Q1; The source electrode of metal-oxide-semiconductor Q1 is also by the parallel branch ground connection of resistance R 8 and resistance R 9; The drain electrode of metal-oxide-semiconductor Q1 is connected to the anode of diode D4, the anodic bonding of the negative electrode of diode D4 and electrochemical capacitor C1, the anode of diode D4 is also connected with the negative electrode of electrochemical capacitor C1 by the series arm of inductance L 2 and inductance L 3, the negative electrode of diode D4 is also by capacitor C 7 ground connection, and the negative electrode of diode D4 is also connected with the positive output end of the first rectifier bridge; Also comprise transformer, the first end of transformer T1 primary coil is connected to the anode of electrochemical capacitor C1, and the second end of transformer T1 primary coil is the anode of LED output; The first end of transformer T1 secondary coil is connected to the negative electrode of electrochemical capacitor C1, the not negative terminal of LED output of the second end of transformer T1 secondary coil; The first end of transformer T1 primary coil and the first end of secondary coil are Same Name of Ends.
Further technical scheme is, switch S 1 is connected to the first input end of the first rectifier bridge by a fuse F1, switch S 2 is connected to the second input of the first rectifier bridge by a fuse F2, switch S 3 is connected to the first input end of the second rectifier bridge by a fuse F3.
Further technical scheme is, is connected with pressure-sensitive first MOV1 between the first input end of the first rectifier bridge and the second input, between the first input end of the second rectifier bridge and the second input, is connected with pressure cell MOV2.Such structure further guarantees safety.
High safety-compliant type LED fluorescent tube of the present utility model can make original fluorescent lighting fixture also can compatiblely use LED fluorescent tube and fluorescent tube without changing circuit configurations; And while meeting two lamp bases access band electrical network of fluorescent tube one end, the uncharged high safety requirements of two lamp bases of the other end, simultaneously ensure compatibility and security.
Accompanying drawing explanation
Fig. 1 is the structural representation of the high safety-compliant type of the utility model LED fluorescent tube.
Fig. 2 is the structural representation of the compatible type driving power of the high safety-compliant type of the utility model LED fluorescent tube.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, high safety-compliant type LED fluorescent tube of the present utility model, comprises fluorescent tube body 1, and the two ends of fluorescent tube body 1 are respectively provided with two lamp bases that protrude from outside fluorescent tube body 1, are provided with compatible type driving power 2 in fluorescent tube body 1.Each lamp base is respectively electrically connected by a switch and compatible type driving power 2, wherein, lamp base L1 and lamp base N1 are arranged in the first end (left end of figure) of fluorescent tube body 1, by switch S 1, be connected with compatible type driving power 2 with switch S 2 respectively, lamp base L2 and lamp base N2 are arranged in second end (right-hand member of figure) of fluorescent tube body 1, are connected respectively by switch S 3 with switch S 4 with compatible type driving power 2; The two ends of fluorescent tube body 1 are respectively provided with a pressing body 3; Described pressing body 3 comprises and under normality, stretches out in the press section 31 outside fluorescent tube body 1, and when press section 31 can make to be positioned at the connecting portion 32 that fluorescent tube body 1 conducts with two switches of one end during to the interior extruding of fluorescent tube body 1; Two switches of fluorescent tube body 1 one end are fixedly connected with the connecting portion 32 of the pressing body 3 that is positioned at same one end.When thereby one end of high safety-compliant type LED fluorescent tube of the present utility model is inserted light fixture and is with electrical network to be connected, the press section 31 of pressing body 3 is subject to the extruding force of light fixture, to lamp interior, move, 32 two corresponding switch connections of connecting portion, thus make two corresponding lamp bases and be with electrical network connection; And two other lamp bases are because corresponding switch is not connected, thereby this lamp base is disconnected physically with band electrical network.Particularly, described switch is for often opening key switch, and when there is no pressing keys, switch disconnects; The connecting portion 32 of described pressing body 3 is connecting plate; Connecting plate is fixedly connected with two corresponding keytops of often opening key switch, and when press section 31 is stressed, connecting plate is pressed button, thereby connects two switches simultaneously, and when fluorescent tube departs from light fixture, press section 31 does not have stressed, and button resets, and switch disconnects.In the present embodiment, the connecting portion 32 of pressing body 3 is also fixedly connected with flexible restoring organ, and described flexible restoring organ can be by realizations such as spring, shell fragments, only needs to realize while removing the application of force, by elastic force, connecting portion 32 is pushed back to original initial position.
As shown in Figure 2, lamp base L1 and lamp base N1 are positioned at the first end of fluorescent tube body 1, and lamp base L2 and lamp base N2 are positioned at the second end of fluorescent tube body 1; Described compatible type driving power 2 comprises that the first rectifier bridge 21(is comprised of the diode D2 in Fig. 2, diode D12, diode D9, diode D15), the second rectifier bridge 22(is comprised of the diode D16 in Fig. 2, diode D17, diode D18, diode D19), LED drives chip U1 and LED output; Lamp base L1 is connected to the first input end of the first rectifier bridge 21 by switch S 1, lamp base N1 is connected to the second input of the first rectifier bridge 21 by switch S 2; Lamp base L2 is connected to the first input end of the second rectifier bridge 22 by switch S 3, lamp base N2 is connected to the second input of the second rectifier bridge 22 by switch S 4.More specifically, in the present embodiment, switch S 1 is connected to the first input end of the first rectifier bridge 21 by a fuse F1, switch S 2 is connected to the second input of the first rectifier bridge 21 by a fuse F2, and switch S 3 is connected to the first input end of the second rectifier bridge 22 by a fuse F3.Between the first input end of the first rectifier bridge 21 and the second input, be connected with pressure-sensitive first MOV1, between the first input end of the second rectifier bridge 22 and the second input, be connected with pressure cell MOV2.
The positive output end of the first rectifier bridge 21 is connected with the positive output end of the second rectifier bridge 22, the negative output terminal of the first rectifier bridge 21, the equal ground connection of negative output terminal of the second rectifier bridge 22; The positive output end of the first rectifier bridge 21 is also by capacitor C 13 ground connection; The positive output end of the first rectifier bridge 21 also drives chip U1 to be connected to LED output by LED.The positive output end of the first rectifier bridge 21 is also connected to the anode of electrochemical capacitor C5 and the negative electrode of diode D14, the anodic bonding of the negative electrode of electrochemical capacitor C5 and diode D13, the anodic bonding of the negative electrode of diode D13 and diode D14; The anode of diode D13 is also connected with the negative electrode of diode D11, the plus earth of diode D11; The negative electrode of diode D13 also with the anodic bonding of electrochemical capacitor C4, the anodic bonding of the negative electrode of electrochemical capacitor C4 and diode D11; Between the negative output terminal of the anode of diode D11 and the first rectifier bridge 21, be also connected with inductance L 6.The positive output end of the first rectifier bridge 21 is connected to i.e. the first pin of feeder ear VIN(of LED driving chip U1 by the series arm of resistance R 3 and resistance R 4); LED drives i.e. the second pin of current sample end CS(of chip U1) be connected to the source electrode of metal-oxide-semiconductor Q1; LED drives the i.e. three-prong of ground end GND(of chip U1) ground connection; LED drives i.e. the 4th pin of signal output part GATE(of chip U1) by resistance R 7, be connected to the grid of metal-oxide-semiconductor Q1, signal output part GATE is also connected with the negative electrode of diode D1, and the anodic bonding of diode D1 is to the grid of metal-oxide-semiconductor Q1; LED drives i.e. the 5th pin of signal light modulation end PWMD(of chip U1), i.e. the 6th pin of reference voltage terminal VDD() and simulation light modulation end LD(be the 7th pin) be all connected to the first end of capacitor C 3, the second end ground connection of capacitor C 3; LED drives i.e. the 8th pin of frequency setting end ROSC(of chip U1) be connected to the grid of metal-oxide-semiconductor Q1; The source electrode of metal-oxide-semiconductor Q1 is also by the parallel branch ground connection of resistance R 8 and resistance R 9; The drain electrode of metal-oxide-semiconductor Q1 is connected to the anode of diode D4, the anodic bonding of the negative electrode of diode D4 and electrochemical capacitor C1, the anode of diode D4 is also connected with the negative electrode of electrochemical capacitor C1 by the series arm of inductance L 2 and inductance L 3, the negative electrode of diode D4 is also by capacitor C 7 ground connection, and the negative electrode of diode D4 is also connected with the positive output end of the first rectifier bridge 21; Also comprise transformer, the first end of transformer T1 primary coil is connected to the anode of electrochemical capacitor C1, and the second end of transformer T1 primary coil is the anode of LED output; The first end of transformer T1 secondary coil is connected to the negative electrode of electrochemical capacitor C1, the not negative terminal of LED output of the second end of transformer T1 secondary coil; The first end of transformer T1 primary coil and the first end of secondary coil are Same Name of Ends.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (8)

1. high safety-compliant type LED fluorescent tube, comprises fluorescent tube body, and the two ends of fluorescent tube body are respectively provided with two and protrude from the external lamp base of fluorescent tube, are provided with compatible type driving power in fluorescent tube body; It is characterized in that: each lamp base is respectively electrically connected by a switch and compatible type driving power; The two ends of fluorescent tube body are respectively provided with a pressing body; Described pressing body comprises and under normality, stretches out in the external press section of fluorescent tube, and when press section can make to be positioned at two connecting portions that switch conduct of fluorescent tube body with one end when pushing in fluorescent tube body; Two switches of fluorescent tube body one end are fixedly connected with the connecting portion of the pressing body that is positioned at same one end.
2. high safety-compliant type LED fluorescent tube according to claim 1, is characterized in that: described switch is for often opening key switch; The connecting portion of described pressing body is connecting plate; Connecting plate is fixedly connected with two corresponding keytops of often opening key switch.
3. high safety-compliant type LED fluorescent tube according to claim 1, is characterized in that: the connecting portion of described pressing body is also fixedly connected with flexible restoring organ.
4. high safety-compliant type LED fluorescent tube according to claim 1, is characterized in that: lamp base L1 and lamp base N1 are positioned at the first end of fluorescent tube body, and lamp base L2 and lamp base N2 are positioned at the second end of fluorescent tube body; Described compatible type driving power comprises that the first rectifier bridge, the second rectifier bridge, LED drive chip and LED output; Lamp base L1 is connected to the first input end of the first rectifier bridge by switch S 1, lamp base N1 is connected to the second input of the first rectifier bridge by switch S 2; Lamp base L2 is connected to the first input end of the second rectifier bridge by switch S 3, lamp base N2 is connected to the second input of the second rectifier bridge by switch S 4; The positive output end of the first rectifier bridge is connected with the positive output end of the second rectifier bridge, the negative output terminal of the first rectifier bridge, the equal ground connection of negative output terminal of the second rectifier bridge; The positive output end of the first rectifier bridge is also by capacitor C 13 ground connection; The positive output end of the first rectifier bridge also drives chip to be connected to LED output by LED.
5. high safety-compliant type LED fluorescent tube according to claim 4, it is characterized in that: the positive output end of the first rectifier bridge is also connected to the anode of electrochemical capacitor C5 and the negative electrode of diode D14, the anodic bonding of the negative electrode of electrochemical capacitor C5 and diode D13, the anodic bonding of the negative electrode of diode D13 and diode D14; The anode of diode D13 is also connected with the negative electrode of diode D11, the plus earth of diode D11; The negative electrode of diode D13 also with the anodic bonding of electrochemical capacitor C4, the anodic bonding of the negative electrode of electrochemical capacitor C4 and diode D11; Between the negative output terminal of the anode of diode D11 and the first rectifier bridge, be also connected with inductance L 6.
6. high safety-compliant type LED fluorescent tube according to claim 5, is characterized in that: the positive output end of the first rectifier bridge is connected to the feeder ear VIN of LED driving chip by the series arm of resistance R 3 and resistance R 4; LED drives the current sample end CS of chip to be connected to the source electrode of metal-oxide-semiconductor Q1; LED drives the ground end GND ground connection of chip; LED drives the signal output part GATE of chip by resistance R 7, to be connected to the grid of metal-oxide-semiconductor Q1, and signal output part GATE is also connected with the negative electrode of diode D1, and the anodic bonding of diode D1 is to the grid of metal-oxide-semiconductor Q1; LED drives signal light modulation end PWMD, the reference voltage terminal VDD of chip and simulates light modulation end LD the first end that is all connected to capacitor C 3, the second end ground connection of capacitor C 3; LED drives the frequency setting end ROSC of chip to be connected to the grid of metal-oxide-semiconductor Q1; The source electrode of metal-oxide-semiconductor Q1 is also by the parallel branch ground connection of resistance R 8 and resistance R 9; The drain electrode of metal-oxide-semiconductor Q1 is connected to the anode of diode D4, the anodic bonding of the negative electrode of diode D4 and electrochemical capacitor C1, the anode of diode D4 is also connected with the negative electrode of electrochemical capacitor C1 by the series arm of inductance L 2 and inductance L 3, the negative electrode of diode D4 is also by capacitor C 7 ground connection, and the negative electrode of diode D4 is also connected with the positive output end of the first rectifier bridge; Also comprise transformer, the first end of transformer T1 primary coil is connected to the anode of electrochemical capacitor C1, and the second end of transformer T1 primary coil is the anode of LED output; The first end of transformer T1 secondary coil is connected to the negative electrode of electrochemical capacitor C1, the not negative terminal of LED output of the second end of transformer T1 secondary coil; The first end of transformer T1 primary coil and the first end of secondary coil are Same Name of Ends.
7. high safety-compliant type LED fluorescent tube according to claim 4, it is characterized in that: switch S 1 is connected to the first input end of the first rectifier bridge by a fuse F1, switch S 2 is connected to the second input of the first rectifier bridge by a fuse F2, switch S 3 is connected to the first input end of the second rectifier bridge by a fuse F3.
8. high safety-compliant type LED fluorescent tube according to claim 7, it is characterized in that: between the first input end of the first rectifier bridge and the second input, be connected with pressure-sensitive first MOV1, between the first input end of the second rectifier bridge and the second input, be connected with pressure cell MOV2.
CN201320713336.3U 2013-11-12 2013-11-12 High-safety compatible LED lamp tube Expired - Fee Related CN203571498U (en)

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CN201320713336.3U CN203571498U (en) 2013-11-12 2013-11-12 High-safety compatible LED lamp tube

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Application Number Priority Date Filing Date Title
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105828470A (en) * 2016-01-15 2016-08-03 厦门佰明光电股份有限公司 Wide-voltage, fully-compatible, self-adaptive and single/double-end LED tube
CN105873315A (en) * 2015-02-10 2016-08-17 讯强电子(惠州)有限公司 Safety switch circuit
US11226073B2 (en) 2015-03-10 2022-01-18 Jiaxing Super Lighting Electric Appliance Co., Ltd. Led tube lamp
US11519567B2 (en) 2014-09-28 2022-12-06 Jiaxing Super Lighting Electric Appliance Co., Ltd LED tube lamp
US11649934B2 (en) 2014-09-28 2023-05-16 Jiaxing Super Lighting Electric Appliance Co., Ltd LED tube lamp
US11686457B2 (en) 2014-09-28 2023-06-27 Jiaxing Super Lighting Electric Appliance Co., Ltd LED tube lamp
US11906115B2 (en) 2014-12-05 2024-02-20 Jiaxing Super Lighting Electric Appliance Co., Ltd LED tube lamp

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11519567B2 (en) 2014-09-28 2022-12-06 Jiaxing Super Lighting Electric Appliance Co., Ltd LED tube lamp
US11649934B2 (en) 2014-09-28 2023-05-16 Jiaxing Super Lighting Electric Appliance Co., Ltd LED tube lamp
US11686457B2 (en) 2014-09-28 2023-06-27 Jiaxing Super Lighting Electric Appliance Co., Ltd LED tube lamp
US11906115B2 (en) 2014-12-05 2024-02-20 Jiaxing Super Lighting Electric Appliance Co., Ltd LED tube lamp
CN105873315A (en) * 2015-02-10 2016-08-17 讯强电子(惠州)有限公司 Safety switch circuit
US11226073B2 (en) 2015-03-10 2022-01-18 Jiaxing Super Lighting Electric Appliance Co., Ltd. Led tube lamp
US11698170B2 (en) 2015-03-10 2023-07-11 Jiaxing Super Lighting Electric Appliance Co., Ltd. LED tube lamp
CN105828470A (en) * 2016-01-15 2016-08-03 厦门佰明光电股份有限公司 Wide-voltage, fully-compatible, self-adaptive and single/double-end LED tube

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Granted publication date: 20140430

Termination date: 20181112