CN102128372B - LED (light-emitting diode) daylight lamp - Google Patents
LED (light-emitting diode) daylight lamp Download PDFInfo
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- CN102128372B CN102128372B CN2011100328915A CN201110032891A CN102128372B CN 102128372 B CN102128372 B CN 102128372B CN 2011100328915 A CN2011100328915 A CN 2011100328915A CN 201110032891 A CN201110032891 A CN 201110032891A CN 102128372 B CN102128372 B CN 102128372B
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- lamp
- end cap
- lamp body
- holder
- vestibule
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/03—Lighting devices intended for fixed installation of surface-mounted type
- F21S8/031—Lighting devices intended for fixed installation of surface-mounted type the device consisting essentially only of a light source holder with an exposed light source, e.g. a fluorescent tube
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/0075—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources
- F21V19/008—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources of straight tubular light sources, e.g. straight fluorescent tubes, soffit lamps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
一种LED日光灯，包括灯体、灯头和连灯座，其特征在于：灯头包括端盖和固定座，端盖上开设穿线孔，端盖端面上设置有限位柱，端盖外周面上设置有齿槽；固定座开设有孔腔，端盖容置于孔腔内相对转动，固定座在孔腔的其中一端面上成型有限位槽，限位柱穿设于限位槽中并限位于限位槽两端，孔腔内侧面上成型有弹片，弹片的一端和孔腔的内侧面连成一体，弹片的自由端上设置有能与齿槽相配合的凸条。本发明灯体相对于固定座旋转过任何角度后都能够固定在该位置上，保证了灯体照明方向的可靠定位；由于限位槽的旋转限位作用，灯体只能在180度范围内转动，防止灯体在360度范围内任意旋转，避免灯体旋转过大角度而导致电极引线打结或被扯断。
An LED fluorescent lamp, including a lamp body, a lamp cap and a lamp holder, is characterized in that: the lamp cap includes an end cap and a fixing seat, the end cap is provided with a threading hole, the end face of the end cap is provided with a limit column, and the outer peripheral surface of the end cap is provided with Tooth slot; the fixed seat is provided with a cavity, and the end cover is accommodated in the cavity to rotate relatively. At the two ends of the bit groove, a shrapnel is formed on the inner surface of the cavity, one end of the shrapnel is integrated with the inner surface of the cavity, and a convex strip that can cooperate with the tooth groove is arranged on the free end of the shrapnel. The lamp body of the present invention can be fixed at this position after rotating through any angle relative to the fixing seat, which ensures the reliable positioning of the lighting direction of the lamp body; due to the rotation limit function of the limit groove, the lamp body can only be within the range of 180 degrees Rotate to prevent the lamp body from rotating arbitrarily within 360 degrees, and avoid the electrode lead wires from being knotted or torn off due to excessive rotation of the lamp body.
Description
Technical field
The present invention relates to a kind of light fixture, particularly a kind of LED fluorescent lamp.
Background technology
Traditional fluorescent lamp is to adopt fluorescent lighting; Fluorescent lamp tube can both be luminous along fluorescent tube outer peripheral face one circle, and fluorescent lamp tube normally is fixedly connected with lamp holder; When being installed to fluorescent lamp on the lamp bracket, need the pin on the lamp holder being inserted into and realizing in the jack in the lamp socket being electrically connected.Led light source has plurality of advantages such as energy-saving and environmental protection, long service life; People begin to replace fluorescent lamp with led light source; But the Lights section of LED fluorescent tube is plane more; It can only be towards a light-emitting directions, and is the structure that is fixedly connected between traditional lamp holder and the lamp socket, can't adapt to the adjusting requirement to the different light direction.
In the prior art, in order to solve the problem that LED fluorescent tube direction of illumination can't be regulated, be that the utility model " the rotatable LED fluorescent tube of a kind of lamp holder " of ZL200920192636.5 discloses the rotatable LED fluorescent lamp of a kind of lamp holder just like the patent No.; It comprises led light source and radiator, and led light source is fixed on the radiator through substrate, and the radiator two ends are respectively arranged with lamp holder; Lamp holder is provided with pin; Be provided with stator and rotor between lamp holder and the radiator, stator is fixed on the radiator, and lamp holder is fixed on the rotor; Rotor is installed on the stator, is respectively arranged with rotating and limiting mechanism and elastic positioning machine structure between stator and the rotor.Though above-mentioned patent can realize the adjusting of the lighting angle of LED fluorescent tube,, this patent adjustment structure is comparatively complicated; Except rotating mechanism (comprising stator and rotor); Limiting the elastic positioning structure of rotating mechanism rotation in addition, rotor rotates certain amplitude in stator after, is through the elastic positioning machine structure rotor to be fixed in the stator; Need apply the outer power of dialling during operation and could guarantee the rotation of rotor with respect to stator, comparatively effort operates; And; The lamp holder of this patent LED fluorescent tube has still adopted conducting of pin configuration realization and lamp socket, after using certain hour, because wearing and tearing of the spring of elastic positioning structure or inefficacy; Might make the reference column in the stator can't just in time fall into the locating slot of rotor; At this moment, even the LED fluorescent tube has rotated to suitable lighting angle, also can't guarantee the lamp holder of fluorescent tube and the reliable connection between the lamp socket.
Summary of the invention
Technical problem to be solved by this invention is to provide the simple and lamp holder of a kind of rotating operation of lamp holder to locate reliable LED fluorescent lamp to above-mentioned prior art present situation.
The present invention solves the technical scheme that above-mentioned first technical problem adopts: a kind of LED fluorescent lamp; Include lamp body, be arranged on the lamp holder at said lamp body two ends and be connected the lamp socket on the said lamp holder; It is characterized in that: said lamp holder includes end cap and holder; Said end cap is fixedly connected on the two ends of said lamp body, and said holder is fixedly set in the said lamp socket; Wherein, Offer the through wires hole that the contact conductor that can supply said lamp body passes on the end face of said end cap; Also be provided with the limited post that protrudes out laterally along the direction that parallels to the axis on the end face of this end cap, then be provided with on the outer peripheral face of this end cap along paralleling to the axis direction teeth groove spaced apart; Said holder offers suitable and along the vestibule that axially runs through of this holder with said end cap size; Said end cap is placed in this vestibule and can relatively rotates; Said holder forms the arc stopper slot on a wherein end face of said vestibule; Said limited post is arranged in this stopper slot and can be limited in the two ends of this stopper slot, also forms the shell fragment that can match with the outer peripheral face of said end cap on the medial surface of said vestibule, and an end of said shell fragment and the medial surface of said vestibule fuse; The other end of said shell fragment is a free end, and the free end of this shell fragment is provided with the raised line that can match with said teeth groove.
In order to guarantee that the LED fluorescent lamp can effectively obtain maximum angle of regulation range in the lighting space, as preferably, described stopper slot semicircular in shape, and this stopper slot takes shape in the first half of said vestibule end face.So; After the LED lamp body is installed on the lamp socket, rotate the LED lamp body can be realized different light angles in 180 degree (± 90 degree) scope any adjusting, and; Because the rotary stopper effect of stopper slot; Lamp body can only rotate in 180 degree scopes, prevents lamp body rotation arbitrarily in 360 degree scopes, avoids lamp body to rotate through wide-angle and causes contact conductor knotting or be torn.
Being fixedly connected of holder and lamp socket is convenient for assembly for ease, as preferably, is respectively arranged with the dop to outer process on the lateral wall that two of said holder is established relatively, offers on the madial wall of said lamp socket and the suitable draw-in groove of said dop.
In order to reach lighting effect preferably; Preferred as further; Said lamp body structure can for: include fluorescent tube, pcb board, led chip and collector lens, wherein, said led chip is connected electrically on the said pcb board; Said pcb board is arranged in the said fluorescent tube, and said collector lens is arranged at the anterior of said pcb board and links to each other with said fluorescent tube.
Collector lens is connected and installed for ease; As preferably; The top of said fluorescent tube offers the slot that is provided with along its length, and said pcb board is placed in this slot, and; Said fluorescent tube offers groove respectively on the sidewall that two of said slot is established relatively, the dual-side of said collector lens is embedded at respectively in the corresponding said groove.
In order to guarantee that lamp body and the reliable of end cap are connected; Prevent from end cap, to deviate from when lamp body from rotating; As preferably, said end cap has and the suitable opening of cross section size of said lamp body, also is provided with the friction tight convex tendon of lateral wall of a plurality of abilities and said shell on the madial wall of this opening.After end cap was connected to the lamp body two ends, lamp body was that interference fit is connected with the end cap opening, and convex tendon can prevent effectively that lamp body two ends and end cap break away from.
Compared with prior art; The invention has the advantages that: the structure that adopts end cap and holder to cooperate realizes the rotation of lamp body with respect to lamp socket; And end cap and holder can directly rotate cooperation, need not to be provided with in addition flexible restoring organ; Structure is simpler; Cooperate between the raised line on teeth groove on the end cap outer peripheral face and the holder shell fragment to produce certain frictional force, can both be fixed on this position after the feasible lamp body that is connected with end cap rotates through any angle with respect to holder, guaranteed the reliable location of lamp body illumination direction; In addition, the stopper slot that is provided with on the holder can limit the maximum angle that end cap turns over respect to holder, when the limited post on the end cap offsets with the two ends of stopper slot respectively; The angle that lamp body the turns over position that promptly reaches capacity can make things convenient for the quick location of lamp body illumination direction, and; Because the rotary stopper effect of stopper slot; Lamp body can only rotate in 180 degree scopes, prevents lamp body rotation arbitrarily in 360 degree scopes, avoids lamp body to rotate through wide-angle and causes contact conductor knotting or be torn.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the embodiment of the invention.
Fig. 2 is one of fixed seat structure sketch map of the embodiment of the invention.
Fig. 3 be the embodiment of the invention the fixed seat structure sketch map two.
Fig. 4 is one of end cover structure sketch map of the embodiment of the invention.
Fig. 5 be the embodiment of the invention the end cover structure sketch map two.
Fig. 6 is the holder and the end cap fit structure sketch map of the embodiment of the invention.
Fig. 7 is the sectional arrangement drawing between holder, end cap and the lamp body of the embodiment of the invention.
Fig. 8 is one of holder and end cap mated condition structural representation of the embodiment of the invention.
Fig. 9 be the embodiment of the invention holder and end cap mated condition structural representation two.
Figure 10 be the embodiment of the invention holder and end cap mated condition structural representation three.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Like Fig. 1～shown in Figure 10, be specific embodiment of the present invention, this embodiment is a kind of LED fluorescent lamp; Include lamp body 1, be arranged on the lamp holder at lamp body 1 two ends and be connected the lamp socket 2 on each lamp holder, wherein, each lamp holder includes the end cap 3 and holder 4 that can rotate each other; End cap 3 is fixedly connected on the end of lamp body 1; 4 of holders are fixedly set in the corresponding lamp socket 2, between two lamp sockets 2, also are provided with the identical base 5 of length and lamp body 1, and this base 5 is used for the mounting and connection parts of integral LED fluorescent lamp; Can also realize supporting the effect of lamp body 1, improve the reliability that lamp body 1 connects; And, being provided with power supply circuit board in the base 5, the bottom of base 5 offers U-lag, and each lamp socket 2 has the head 21 that can plug with the U-lag of base 5, and lamp socket 2 is connected the two ends of base 5.
The lamp body 1 of present embodiment can adopt various lamp body structure of the prior art, and preferably, the lamp body 1 of present embodiment includes fluorescent tube 11, pcb board 12, led chip 13 and collector lens 14; Wherein, the top of fluorescent tube 11 offers the slot 111 that is provided with along its length, and pcb board 12 is placed in this slot 111; Led chip 13 is connected electrically on the pcb board 12; Fluorescent tube 11 offers groove 112 respectively on the sidewall that two of slot 111 is established relatively, collector lens 14 is arranged at the front portion of pcb board 12, and; The dual-side of collector lens 14 is embedded at respectively in the groove 112 of fluorescent tube, and fluorescent tube 11 and collector lens 14 connect into the lamp body shell of a tubular.
The end cap 3 of present embodiment is rounded; Opening 31 sizes of this end cap 3 and the cross section size of lamp body 1 are suitable; In order to guarantee the connection reliability of lamp body 1 and end cap 3, the shell that also is provided with a plurality of abilities and lamp body 1 on opening 31 madial walls of end cap 3 carries out the convex tendon 32 of interference fit; This end cap 3 offers through wires hole 331 on end face 33, the contact conductor of on pcb board 12, drawing in the lamp body 1 can pass from this through wires hole 331 and be electrically connected with the power supply circuit board of base 5; Also be provided with the edge limited post 34 that direction protrudes out laterally that parallels to the axis on the end face 33 of this end cap 3; Then be provided with on the outer peripheral face of this end cap 3 along paralleling to the axis direction teeth groove 35 spaced apart.
In order to cooperate with end cap 3; Offer suitable and along the vestibule that axially runs through 41 of this holder 4 on the holder 4 with end cap 3 size; End cap 3 is placed in this vestibule 41 and can relatively rotates; The medial surface 411 of vestibule 41 forms a shell fragment 42 at bottom position, and 42 curved on this shell fragment also can match with the outer peripheral face of end cap 3, and an end of shell fragment 42 is and the medial surface 411 of vestibule 41 fuses; The other end of shell fragment 42 is for can produce the free end of certain deformation; Form gap 412 between shell fragment 42 free ends and vestibule 41 medial surfaces 411, shell fragment 42 is provided with the raised line 421 that parallels with axis, the clamping that can match with the teeth groove 35 on end cap 3 outer peripheral faces of this raised line 421.When being rotatably connected to the lamp body 1 of end cap 3; Shell fragment 42 on 3 pairs of holders 4 of end cap produces certain downward squeezing action; At this moment, certain deformation can take place in shell fragment 42, and the free end of shell fragment 42 is power that makes progress of opposite end lid 3 generations simultaneously also; This makes no matter end cap 3 turns over any angle with respect to holder 4; Raised line 421 on the shell fragment 42 can both embed in the corresponding teeth groove 35 of end cap 3, has realized the location of end cap 3 with respect to holder 4, and promptly lamp body 1 can be completely fixed in predetermined lighting angle position; On the other hand,, just can overcome teeth groove 35 and the frictional force that raised line 421 cooperates, make lamp body 1 rotate, operate easy and convenient with respect to lamp socket 2 as long as apply less external force because the free end of shell fragment 42 has certain elasticity.
The vestibule 41 of holder 4 has two end faces that are interconnected; Form arc stopper slot 43 on the end face therein; This stopper slot 43 is positioned at the first half of vestibule 41 end faces; These stopper slot 43 semicirculars in shape and semicircle opening are arranged at the two ends that limited post on end cap 3 end faces can be arranged in this stopper slot 43 and be limited in this stopper slot 43 vertically down;
In order to be connected and installed conveniently; Holder 4 also has two lateral walls relatively established; Be respectively arranged with dop 44 on each lateral wall to outer process, the madial wall of lamp socket 2 then offer can with the suitable draw-in groove of dop 44, during installation; As long as holder 4 is directly snapped in the lamp socket 2 and can fix, connect very convenient.
Like Fig. 8～shown in Figure 10; Turn over the structural representation of diverse location with respect to lamp socket 2 and base 5 for the lamp body 1 of present embodiment LED fluorescent lamp; Wherein, End cap 3 limited posts shown in Figure 8 are positioned at the centre position (setting at this moment, lamp body 1 rotational angle is 0 degree) of holder 4 stopper slots 43, and at this moment, lamp body 1 direction of illumination is positioned at vertically direction up; End cap 3 limited posts shown in Figure 9 and the high order end of holder 4 stopper slots 43 offset; At this moment; The rotational angle of lamp body 1 reaches first extreme position (rotational angle of setting lamp body 1 this moment is-90 degree), and end cap 3 is limited on the holder 4, and lamp body 1 can't be again towards counterclockwise rotating; End cap 3 limited posts shown in Figure 10 and the low order end of holder 4 stopper slots 43 offset, and at this moment, the rotational angle of lamp body 1 reaches second extreme position (rotational angle of setting lamp body 1 this moment is+90 degree); End cap 3 is limited on the holder 4 equally; Lamp body 1 can't rotate toward the clockwise direction again, and therefore, present embodiment can be realized the light angle adjusting of lamp body 1 in ± 90 degree scopes; Make that the illumination orientations of lamp body 1 is more flexible, can meet daily installation needs; And because the rotary stopper effect of stopper slot, lamp body can only rotate in 180 degree scopes, prevents lamp body rotation arbitrarily in 360 degree scopes, avoids lamp body to rotate through wide-angle and causes the contact conductor knotting or be torn.
In addition, the electrode of the pcb board of present embodiment lamp body 1 is to draw from the through wires hole of end cap 3 through lead, is a kind of soft electric connection mode; Adopt pin and lamp socket 2 to be electrically connected with respect to traditional fluorescent lamp; The influence that the circuit of present embodiment is rotated by lamp body 1 is littler, does not exist problem that whether pin and lamp socket 2 insertings put in place (if after lamp body 1 rotation, pin is not inserted in the lamp socket 2 corresponding jacks fully; Might be inverted lamp body 1 loose contact, can't normal illumination); When lamp body 1 rotates, from as can see Fig. 8～Figure 10, during the position of through wires hole in variation; The lead that passes in the through wires hole only is to unroll moving along with the variation of through wires hole position on the end cap 3; Circuit is communicated with all the time in lamp body 1 rotation process, has not only simplified the rotational structure between end cap 3 and the holder 4, and after having guaranteed to rotate; The good conduction of circuit between lamp body 1 and the lamp socket 2 has improved the serviceability of light fixture.
Claims (6)
1. LED fluorescent lamp; Include lamp body (1), be arranged on the lamp holder at said lamp body (1) two ends and be connected the lamp socket (2) on the said lamp holder; It is characterized in that: said lamp holder includes end cap (3) and holder (4); Said end cap (3) is fixedly connected on the two ends of said lamp body (1), and said holder (4) is fixedly set in the said lamp socket (2);
Wherein, Offer the through wires hole (331) that the contact conductor that can supply said lamp body (1) passes on the end face of said end cap (3); Also be provided with the limited post (34) that protrudes out laterally along the direction that parallels to the axis on the end face of this end cap (3), then be provided with on the outer peripheral face of this end cap (3) along paralleling to the axis direction teeth groove spaced apart (35);
Said holder (4) offers suitable and along the vestibule that axially runs through (41) of this holder (4) with said end cap (3) size; Said end cap (3) is placed in this vestibule (41) and can relatively rotates; Said holder (4) forms arc stopper slot (43) on a wherein end face of said vestibule (41); Said limited post is arranged in this stopper slot (43) and can be limited in the two ends of this stopper slot (43); Also form the shell fragment (42) that can match on the medial surface (411) of said vestibule (41) with the outer peripheral face of said end cap (3); The medial surface (411) of one end of said shell fragment (42) and said vestibule (41) fuses, and the other end of said shell fragment (42) is a free end, and the free end of this shell fragment (42) is provided with the raised line (421) that can match with said teeth groove (35).
2. LED fluorescent lamp according to claim 1 is characterized in that: described stopper slot (43) semicircular in shape, and this stopper slot (43) takes shape in the first half of said vestibule (41) end face.
3. LED fluorescent lamp according to claim 2; It is characterized in that: be respectively arranged with dop (44) on the lateral wall that two of said holder (4) is established relatively, offer on the madial wall of said lamp socket (2) and the suitable draw-in groove of said dop (44) to outer process.
4. according to claim 1 or 2 or 3 described LED fluorescent lamps; It is characterized in that: said lamp body (1) includes fluorescent tube (11), pcb board (12), led chip (13) and collector lens (14); Wherein, Said led chip (13) is connected electrically on the said pcb board (12), and said pcb board (12) is arranged in the said fluorescent tube (11), and said collector lens (14) is arranged at the anterior of said pcb board (12) and links to each other with said fluorescent tube (11).
5. LED fluorescent lamp according to claim 4; It is characterized in that: the top of said fluorescent tube (11) offers the slot (111) that is provided with along its length; Said pcb board (12) is placed in this slot (111); And said fluorescent tube (11) offers groove (112) respectively on the sidewall that two of said slot (111) is established relatively, and the dual-side of said collector lens (14) is embedded at respectively in the corresponding said groove (112).
6. LED fluorescent lamp according to claim 5; It is characterized in that: said end cap (3) has the suitable opening (31) of cross section size with said lamp body (1), also is provided with the friction tight convex tendon of lateral wall (32) of a plurality of abilities and lamp body shell on the madial wall of this opening (31).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100328915A CN102128372B (en) | 2011-01-24 | 2011-01-24 | LED (light-emitting diode) daylight lamp |
| PCT/CN2011/001152 WO2012100392A1 (en) | 2011-01-24 | 2011-07-12 | Led fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100328915A CN102128372B (en) | 2011-01-24 | 2011-01-24 | LED (light-emitting diode) daylight lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102128372A CN102128372A (en) | 2011-07-20 |
| CN102128372B true CN102128372B (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100328915A Active CN102128372B (en) | 2011-01-24 | 2011-01-24 | LED (light-emitting diode) daylight lamp |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102128372B (en) |
| WO (1) | WO2012100392A1 (en) |
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2011
- 2011-01-24 CN CN2011100328915A patent/CN102128372B/en active Active
- 2011-07-12 WO PCT/CN2011/001152 patent/WO2012100392A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201196392Y (en) * | 2008-03-25 | 2009-02-18 | 刘美丽 | Movable lamp cap of LED daylight lamp |
| CN201209833Y (en) * | 2008-06-10 | 2009-03-18 | 卢杰开 | Movable lamp holder of LED fluorescent lamp tube |
| CN101329039A (en) * | 2008-07-28 | 2008-12-24 | 东莞勤上光电股份有限公司 | LED fluorescent lamp |
| CN101539277A (en) * | 2009-04-21 | 2009-09-23 | 上海环东光电科技有限公司 | LED fluorescent lamp tube end covers, LED fluorescent lamp tubes and LED fluorescent lamps |
| CN201475725U (en) * | 2009-08-21 | 2010-05-19 | 宁波冠通光电科技有限公司 | LED fluorescent tube with rotatable lamp caps |
| CN201724031U (en) * | 2010-06-22 | 2011-01-26 | 楼鹏飞 | LED fluorescent lamp |
| CN201983037U (en) * | 2011-01-24 | 2011-09-21 | 林万炯 | LED (light-emitting diode) fluorescent lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012100392A1 (en) | 2012-08-02 |
| CN102128372A (en) | 2011-07-20 |
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