CN103115333B - External hanging flat lamp - Google Patents
External hanging flat lamp Download PDFInfo
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- CN103115333B CN103115333B CN201310032247.7A CN201310032247A CN103115333B CN 103115333 B CN103115333 B CN 103115333B CN 201310032247 A CN201310032247 A CN 201310032247A CN 103115333 B CN103115333 B CN 103115333B
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- cambered surface
- cancave cambered
- convex globoidal
- globoidal
- buckle
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- 238000000034 method Methods 0.000 claims abstract description 4
- 238000010030 laminating Methods 0.000 claims description 27
- 239000000758 substrate Substances 0.000 claims description 25
- 235000014676 Phragmites communis Nutrition 0.000 claims description 6
- 238000009499 grossing Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention provides an external hanging flat lamp. The external hanging flat lamp comprises a plurality of profile frames, a plurality of drain plugs, a pinch plate and a spring card, wherein the profile frames are connected through the drain plugs to form a lamp frame. The profile frames comprises a horizontal entablature and a base board placing part. The pinch plate can rotate around the horizontal entablature between an opening position and a fastening position, during the rotating process of the pinch plate, the spring card is tightly abutted against a hook-like part from beginning to end, when the pinch plate is located at the opening position, a button placement part is separated from a clamping placement part, when the pinch plate is located at the fastening position, the button placement part is fastened with the clamping placement part, and an interval is left between a lower side face of the pinch plate and an upper side face of the base board placing part. The external hanging flat lamp is simple to install, parts such as a light source base board and a power supply can be installed with the lamp frame without a tool such as a screw driver, and an installing groove capable of placing the power source is arranged, so that electrical circuits are convenient to arrange and connect.
Description
Technical field
The present invention relates to light fixture, particularly, relate to external hanging type flat lamp.
Background technology
In the prior art, the installation of light source substrate adopts nut or screw to be fixedly connected with lamp door conventionally, this mounting means of light source is comparatively complicated, need the cooperation of the instruments such as screwdriver could realize assembling, bring very large inconvenience to the user such as domestic consumer, be therefore necessary to develop and a kind ofly can realize the light fixture of reading soon easy installation or replacing light source.
Summary of the invention
For defect of the prior art, the object of this invention is to provide a kind of external hanging type flat lamp.
According to an aspect of the present invention, provide a kind of external hanging type flat lamp, comprise a plurality of section bar frames, a plurality of plug, buckle, spring card, between described section bar frame, by described plug, connect into lamp door, wherein:
Described section bar frame comprises outer panel, interior plate, horizontal eaves portion, frid, substrate rest portion, described frid is connected on described outer panel and with described outer panel and forms card slot, described spring card is arranged in described card slot, between described outer panel and interior plate, be provided with mounting groove, described horizontal eaves portion is positioned at the front side of described card slot notch, described substrate rest portion connects described interior plate, in described substrate rest portion, is provided with screens portion
Described buckle is section bar, described buckle comprises plate-like portion, be connected in the crook of described plate-like portion outboard end, the button bit portion that connects described plate-like portion and match with described screens portion, described crook hook is in described horizontal eaves portion, described buckle can rotate around described horizontal eaves portion between open position and closed position, in the rotation process of described buckle, described spring card is tight against mutually with described crook all the time, when described buckle is positioned at described open position, described button bit portion and described screens portion are separated, when described buckle is positioned at described closed position, described button bit portion and described screens portion are interlocked, and there is gap between the upper side of the downside of described buckle and described substrate rest portion.
Preferably, described plate-like portion has upper side and downside, described crook comprises that neck of hook portion, time hook portion, compressing tablet support to arrive in portion, described plate-like portion, neck of hook portion, time hook portion connect successively, the described compressing tablet portion of supporting to arrive in is connected in described neck of hook portion and goes back to the junction of hook portion, described neck of hook portion and the surface of returning hook portion are provided with a plurality of for locating cancave cambered surface and the convex globoidal of described buckle, and the surface of described horizontal eaves portion is provided with the globoidal structure matching with described cancave cambered surface and convex globoidal.
Preferably, from the junction of described neck of hook portion and upper side, extend to the described curved surface that returns hook portion hook end and comprise the first convex globoidal being connected successively, the first cancave cambered surface, the second cancave cambered surface, the second convex globoidal, the 3rd cancave cambered surface, the 3rd convex globoidal, from described time hook portion hook end, extend to the described hook portion of returning and comprise with the curved surface that compressing tablet supports to arrive in portion the 3rd convex globoidal being connected successively, the 4th cancave cambered surface, the 4th convex globoidal, described horizontal eaves portion comprises the 5th cancave cambered surface connecting successively, the 5th convex globoidal, the 6th convex globoidal, the 6th cancave cambered surface, the 7th convex globoidal, the 7th cancave cambered surface, the 8th convex globoidal, the 8th cancave cambered surface,
Wherein, described the first convex globoidal and the 5th cancave cambered surface match, described the first cancave cambered surface and the 5th convex globoidal match, described the second cancave cambered surface and the 6th convex globoidal match, and described the second convex globoidal and the 6th cancave cambered surface match, and the 3rd cancave cambered surface and the 7th convex globoidal match, described the 3rd convex globoidal and the 7th cancave cambered surface match, the 8th convex globoidal and the 4th cancave cambered surface match, and described the 8th cancave cambered surface and the 4th convex globoidal match
When described buckle is positioned at described open position, described the first convex globoidal is connected laminating mutually with the 5th cancave cambered surface, described the first cancave cambered surface is connected laminating mutually with the 5th convex globoidal, described the second cancave cambered surface is connected laminating mutually with the 6th convex globoidal, described the second convex globoidal is connected laminating mutually with the 6th cancave cambered surface, the 3rd cancave cambered surface is connected laminating mutually with the 7th convex globoidal, described the 3rd convex globoidal is connected laminating mutually with the 7th cancave cambered surface, the 8th convex globoidal and the 4th cancave cambered surface are separated, described the 8th cancave cambered surface and the 4th convex globoidal are separated
When described buckle is positioned at described closed position, described the first convex globoidal and the 5th cancave cambered surface are separated, described the first cancave cambered surface is connected laminating mutually with the 5th convex globoidal, described the second cancave cambered surface and the 6th convex globoidal are separated, described the second convex globoidal and the 6th cancave cambered surface are separated, and the 3rd cancave cambered surface and the 7th convex globoidal are separated, and described the 3rd convex globoidal and the 7th cancave cambered surface are separated, the 8th convex globoidal is connected laminating mutually with the 4th cancave cambered surface, and described the 8th cancave cambered surface is connected laminating mutually with the 4th convex globoidal.
Preferably, in smoothing junction successively between described the first convex globoidal, the first cancave cambered surface, the second cancave cambered surface, the second convex globoidal, the 3rd cancave cambered surface, the 3rd convex globoidal, the 4th cancave cambered surface, the 4th convex globoidal, in smoothing junction successively between described the 5th cancave cambered surface, the 5th convex globoidal, the 6th convex globoidal, the 6th cancave cambered surface, the 7th convex globoidal, the 7th cancave cambered surface, the 8th convex globoidal, the 8th cancave cambered surface.
Preferably, also comprise light source substrate, wherein, described light source substrate has at least a part of edge to be arranged in described gap.
Preferably, the height in described gap is slightly less than the thickness of described light source substrate.
Preferably, also comprise diffuser plate, wherein, described diffuser plate is installed on the diffuser plate mounting groove of described section bar frame.
Preferably, also comprise power supply, wherein, described power supply is arranged in described mounting groove.
Preferably, described spring card is arc reed, and wherein, the recess of described arc reed is placed towards the bottom land of described card slot.
Preferably, described section bar frame and plug are respectively arranged with plug button bit hole and the plug bayonet socket matching.
Compared with prior art, the present invention assembles simply, can complete the installation of the parts such as light source substrate, power supply and lamp door, and be provided with the mounting groove that can place power supply in the situation that not needing the instruments such as screwdriver, is convenient to arranging and being connected of electric wiring.
Accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is whole lamp decomposition texture schematic diagram;
Fig. 2 is the structural representation of buckle;
Fig. 3 is the structural representation of buckle while being positioned at open position;
Fig. 4 is the structural representation of the cross section of section bar frame;
Fig. 5 is the syndeton schematic diagram of section bar frame and plug;
Fig. 6 is the structural representation of buckle while being positioned at closed position;
Fig. 7 is whole modulated structure schematic diagram;
Fig. 8 is the cross section structure schematic diagram of whole lamp;
Fig. 9 is the structural representation of whole lamp while turning over light source substrate to be installed on buckle position.
The specific embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art further to understand the present invention, but not limit in any form the present invention.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement.These all belong to protection scope of the present invention.
According to external hanging type flat lamp provided by the invention, comprise a plurality of section bar frames 2, a plurality of plugs 3, buckle 5, spring card 7, light source substrate 1, diffuser plate 4, power supply 9, on light source substrate 1, be provided with lamp bar 100, described section bar frame 2 is respectively arranged with plug 3 plug button bit hole 29 and the plug bayonet socket 39 matching, between described section bar frame 2, by described plug 3, connect into lamp door, described section bar frame 2 comprises outer panel 27, interior plate 26, horizontal eaves portion 25, frid 21, substrate rest portion 23, described frid 21 is connected on described outer panel 27 and with described outer panel 27 and forms card slot 210, described spring card 7 is arranged in described card slot 210, between described outer panel 27 and interior plate 26, be provided with mounting groove 24, described horizontal eaves portion 25 is positioned at the front side of described card slot 210 notches, described substrate rest portion 23 connects described interior plate 26, in described substrate rest portion 23, be provided with screens portion 231, described buckle 5 is section bar, described buckle 5 comprises plate-like portion 51, be connected in the crook 52 of described plate-like portion 51 outboard ends, the button bit portion 53 that connects described plate-like portion 51 and match with described screens portion 231, described crook 52 hooks are in described horizontal eaves portion 25, described buckle 5 can rotate around described horizontal eaves portion 25 between open position and closed position.
Particularly, in the rotation process of described buckle 5, described spring card 7 is tight against mutually with described crook 52 all the time, when described buckle 5 is positioned at described open position, described button bit portion 53 and described screens portion 231 are separated, when described buckle 5 is positioned at described closed position, described button bit portion 53 and described screens portion 231 are interlocked, and have gap between the downside of described buckle 5 and the upper side of described substrate rest portion 23.
More specifically, described diffuser plate 4 is installed on the diffuser plate mounting groove 22 of described section bar frame 2, described light source substrate 1 has at least a part of edge to be arranged in described gap, and the height in described gap is slightly less than the thickness of described light source substrate 1, and described power supply 9 is arranged in described mounting groove 24.Described plate-like portion 51 has upper side 511 and downside 512, described crook 52 comprises that neck of hook portion 522, time hook portion 524, compressing tablet support to arrive in portion 526, described plate-like portion 51, neck of hook portion 522, time hook portion 524 connect successively, described compressing tablet supports to arrive in the junction that portion 526 is connected in described neck of hook portion 522 and time hook portion 524, described neck of hook portion 522 and the surface of returning hook portion 524 are provided with a plurality of for locating cancave cambered surface and the convex globoidal of described buckle 5, and the surface of described horizontal eaves portion 25 is provided with the globoidal structure matching with described cancave cambered surface and convex globoidal.
As a preference, from the junction of described neck of hook portion 522 and upper side 511, extend to the described curved surface that returns hook portion 524 hook ends and comprise the first convex globoidal 5221 being connected successively, the first cancave cambered surface 5222, the second cancave cambered surface 5241, the second convex globoidal 5242, the 3rd cancave cambered surface 5243, the 3rd convex globoidal 5244, from described time hook portion 524 hook ends, extend to the described hook portion 524 of returning and comprise with the curved surface that compressing tablet supports to arrive in portion 526 the 3rd convex globoidal 5244 being connected successively, the 4th cancave cambered surface 5245, the 4th convex globoidal 5246, described horizontal eaves portion 25 comprises the 5th cancave cambered surface connecting successively, the 5th convex globoidal, the 6th convex globoidal, the 6th cancave cambered surface, the 7th convex globoidal, the 7th cancave cambered surface 256, the 8th convex globoidal, the 8th cancave cambered surface.
Wherein, described the first convex globoidal 5221 and the 5th cancave cambered surface match, described the first cancave cambered surface 5222 and the 5th convex globoidal match, described the second cancave cambered surface 5241 and the 6th convex globoidal match, described the second convex globoidal 5242 and the 6th cancave cambered surface match, and the 3rd cancave cambered surface 5243 and the 7th convex globoidal match, and described the 3rd convex globoidal 5244 and the 7th cancave cambered surface 256 match, the 8th convex globoidal and the 4th cancave cambered surface 5245 match, and described the 8th cancave cambered surface and the 4th convex globoidal 5246 match.
When described buckle 5 is positioned at described open position, described the first convex globoidal 5221 is connected laminating mutually with the 5th cancave cambered surface, described the first cancave cambered surface 5222 is connected laminating mutually with the 5th convex globoidal, described the second cancave cambered surface 5241 is connected laminating mutually with the 6th convex globoidal, described the second convex globoidal 5242 is connected laminating mutually with the 6th cancave cambered surface, the 3rd cancave cambered surface 5243 is connected laminating mutually with the 7th convex globoidal, described the 3rd convex globoidal 5244 is connected laminating mutually with the 7th cancave cambered surface 256, the 8th convex globoidal and the 4th cancave cambered surface 5245 are separated, described the 8th cancave cambered surface and the 4th convex globoidal 5246 are separated.
When described buckle 5 is positioned at described closed position, described the first convex globoidal 5221 and the 5th cancave cambered surface are separated, described the first cancave cambered surface 5222 is connected laminating mutually with the 5th convex globoidal, described the second cancave cambered surface 5241 and the 6th convex globoidal are separated, described the second convex globoidal 5242 and the 6th cancave cambered surface are separated, the 3rd cancave cambered surface 5243 and the 7th convex globoidal are separated, described the 3rd convex globoidal 5244 and the 7th cancave cambered surface 256 are separated, the 8th convex globoidal is connected laminating mutually with the 4th cancave cambered surface 5245, and described the 8th cancave cambered surface is connected laminating mutually with the 4th convex globoidal 5246.
Further preferably, in smoothing junction successively between described the first convex globoidal 5221, the first cancave cambered surface 5222, the second cancave cambered surface 5241, the second convex globoidal 5242, the 3rd cancave cambered surface 5243, the 3rd convex globoidal 5244, the 4th cancave cambered surface 5245, the 4th convex globoidal 5246, in smoothing junction successively between described the 5th cancave cambered surface, the 5th convex globoidal, the 6th convex globoidal, the 6th cancave cambered surface, the 7th convex globoidal, the 7th cancave cambered surface 256, the 8th convex globoidal, the 8th cancave cambered surface.Described spring card 7 is arc reed, and wherein, the recess of described arc reed is placed towards the bottom land of described card slot 210.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (10)
1. an external hanging type flat lamp, is characterized in that, comprises a plurality of section bar frames (2), a plurality of plug (3), buckle (5), spring card (7), between described section bar frame (2), by described plug (3), connects into lamp door, wherein:
Described section bar frame (2) comprises outer panel (27), interior plate (26), horizontal eaves portion (25), frid (21), substrate rest portion (23), described frid (21) is connected to described outer panel (27) above and forms card slot (210) with described outer panel (27), described spring card (7) is arranged in described card slot (210), between described outer panel (27) and interior plate (26), be provided with mounting groove (24), described horizontal eaves portion (25) is positioned at the front side of described card slot (210) notch, described substrate rest portion (23) connects described interior plate (26), in described substrate rest portion (23), be provided with screens portion (231),
Described buckle (5) is section bar, described buckle (5) comprises plate-like portion (51), be connected in the crook (52) of described plate-like portion (51) outboard end, the button bit portion (53) that connects described plate-like portion (51) and match with described screens portion (231), described crook (52) hook is in described horizontal eaves portion (25), described buckle (5) can rotate around described horizontal eaves portion (25) between open position and closed position, in the rotation process of described buckle (5), described spring card (7) is tight against mutually with described crook (52) all the time, when described buckle (5) is positioned at described open position, described button bit portion (53) and described screens portion (231) are separated, when described buckle (5) is positioned at described closed position, described button bit portion (53) and described screens portion (231) are interlocked, and there is gap between the upper side of the downside of described buckle (5) and described substrate rest portion (23).
2. external hanging type flat lamp according to claim 1, it is characterized in that, described plate-like portion (51) has upper side (511) and downside (512), described crook (52) comprises neck of hook portion (522), return hook portion (524), compressing tablet supports to arrive in portion (526), described plate-like portion (51), neck of hook portion (522), returning hook portion (524) connects successively, described compressing tablet supports to arrive in portion (526) and is connected in described neck of hook portion (522) and goes back to the junction of hook portion (524), the surface of described neck of hook portion (522) and time hook portion (524) is provided with a plurality of for locating cancave cambered surface and the convex globoidal of described buckle (5), the surface of described horizontal eaves portion (25) is provided with the globoidal structure matching with described cancave cambered surface and convex globoidal.
3. external hanging type flat lamp according to claim 2, it is characterized in that, from the junction of described neck of hook portion (522) and upper side (511), extend to the described curved surface that returns hook portion (524) hook end and comprise the first convex globoidal (5221) being connected successively, the first cancave cambered surface (5222), the second cancave cambered surface (5241), the second convex globoidal (5242), the 3rd cancave cambered surface (5243), the 3rd convex globoidal (5244), from described time hook portion (524) hook end, extend to the described hook portion (524) of returning and comprise with the curved surface that compressing tablet supports to arrive in portion (526) the 3rd convex globoidal (5244) being connected successively, the 4th cancave cambered surface (5245), the 4th convex globoidal (5246), described horizontal eaves portion (25) comprises the 5th cancave cambered surface connecting successively, the 5th convex globoidal, the 6th convex globoidal, the 6th cancave cambered surface, the 7th convex globoidal, the 7th cancave cambered surface (256), the 8th convex globoidal, the 8th cancave cambered surface,
Wherein, described the first convex globoidal (5221) matches with the 5th cancave cambered surface, described the first cancave cambered surface (5222) matches with the 5th convex globoidal, described the second cancave cambered surface (5241) matches with the 6th convex globoidal, described the second convex globoidal (5242) matches with the 6th cancave cambered surface, the 3rd cancave cambered surface (5243) matches with the 7th convex globoidal, described the 3rd convex globoidal (5244) matches with the 7th cancave cambered surface (256), the 8th convex globoidal and the 4th cancave cambered surface (5245) match, described the 8th cancave cambered surface and the 4th convex globoidal (5246) match
When described buckle (5) is positioned at described open position, described the first convex globoidal (5221) is connected laminating mutually with the 5th cancave cambered surface, described the first cancave cambered surface (5222) is connected laminating mutually with the 5th convex globoidal, described the second cancave cambered surface (5241) is connected laminating mutually with the 6th convex globoidal, described the second convex globoidal (5242) is connected laminating mutually with the 6th cancave cambered surface, the 3rd cancave cambered surface (5243) is connected laminating mutually with the 7th convex globoidal, described the 3rd convex globoidal (5244) is connected laminating mutually with the 7th cancave cambered surface (256), the 8th convex globoidal and the 4th cancave cambered surface (5245) are separated, described the 8th cancave cambered surface and the 4th convex globoidal (5246) are separated,
When described buckle (5) is positioned at described closed position, described the first convex globoidal (5221) is separated with the 5th cancave cambered surface, described the first cancave cambered surface (5222) is connected laminating mutually with the 5th convex globoidal, described the second cancave cambered surface (5241) is separated with the 6th convex globoidal, described the second convex globoidal (5242) is separated with the 6th cancave cambered surface, the 3rd cancave cambered surface (5243) is separated with the 7th convex globoidal, described the 3rd convex globoidal (5244) is separated with the 7th cancave cambered surface (256), the 8th convex globoidal is connected laminating mutually with the 4th cancave cambered surface (5245), described the 8th cancave cambered surface is connected laminating mutually with the 4th convex globoidal (5246).
4. external hanging type flat lamp according to claim 3, it is characterized in that, described the first convex globoidal (5221), the first cancave cambered surface (5222), the second cancave cambered surface (5241), the second convex globoidal (5242), the 3rd cancave cambered surface (5243), the 3rd convex globoidal (5244), the 4th cancave cambered surface (5245), in smoothing junction successively between the 4th convex globoidal (5246), described the 5th cancave cambered surface, the 5th convex globoidal, the 6th convex globoidal, the 6th cancave cambered surface, the 7th convex globoidal, the 7th cancave cambered surface (256), the 8th convex globoidal, in smoothing junction successively between the 8th cancave cambered surface.
5. external hanging type flat lamp according to claim 1, is characterized in that, also comprises light source substrate (1), and wherein, described light source substrate (1) has at least a part of edge to be arranged in described gap.
6. external hanging type flat lamp according to claim 5, is characterized in that, the height in described gap is slightly less than the thickness of described light source substrate (1).
7. external hanging type flat lamp according to claim 1, is characterized in that, also comprises diffuser plate (4), and wherein, described diffuser plate (4) is installed on the diffuser plate mounting groove (22) of described section bar frame (2).
8. external hanging type flat lamp according to claim 1, is characterized in that, also comprises power supply (9), and wherein, described power supply (9) is arranged in described mounting groove (24).
9. external hanging type flat lamp according to claim 1, is characterized in that, described spring card (7) is arc reed, and wherein, the recess of described arc reed is placed towards the bottom land of described card slot (210).
10. external hanging type flat lamp according to claim 1, is characterized in that, described section bar frame (2) is respectively arranged with plug (3) plug button bit hole (29) and the plug bayonet socket (39) matching.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310032247.7A CN103115333B (en) | 2013-01-28 | 2013-01-28 | External hanging flat lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310032247.7A CN103115333B (en) | 2013-01-28 | 2013-01-28 | External hanging flat lamp |
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CN103115333A CN103115333A (en) | 2013-05-22 |
CN103115333B true CN103115333B (en) | 2014-09-24 |
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CN201310032247.7A Active CN103115333B (en) | 2013-01-28 | 2013-01-28 | External hanging flat lamp |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103115336B (en) * | 2013-02-01 | 2018-01-26 | 许良鹏 | Embedded LED flat lamp lamp door and embedded LED flat lamp |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW352146U (en) * | 1996-04-08 | 1999-02-01 | China Electric Mfg Corp | Structure for fixing hand buckle of reflection plate |
CN102242909A (en) * | 2011-06-17 | 2011-11-16 | 倪卓章 | Flat lamp |
CN202675099U (en) * | 2012-06-12 | 2013-01-16 | 钟英 | Ultrathin LED panel light |
-
2013
- 2013-01-28 CN CN201310032247.7A patent/CN103115333B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW352146U (en) * | 1996-04-08 | 1999-02-01 | China Electric Mfg Corp | Structure for fixing hand buckle of reflection plate |
CN102242909A (en) * | 2011-06-17 | 2011-11-16 | 倪卓章 | Flat lamp |
CN202675099U (en) * | 2012-06-12 | 2013-01-16 | 钟英 | Ultrathin LED panel light |
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Effective date of registration: 20160926 Address after: Shanghai City Hing Fengjing town Jinshan District 201501 tower four Village No. 130 Patentee after: SHANGHAI WIDEN PHOTODIODE TECH CORP., LTD. Address before: 201109, No. 1, building 315, new spring road, North Bridge Town, Shanghai, Minhang District Patentee before: Xu Liangpeng |