CN105042373A - Led lamp tube - Google Patents
Led lamp tube Download PDFInfo
- Publication number
- CN105042373A CN105042373A CN201510452037.2A CN201510452037A CN105042373A CN 105042373 A CN105042373 A CN 105042373A CN 201510452037 A CN201510452037 A CN 201510452037A CN 105042373 A CN105042373 A CN 105042373A
- Authority
- CN
- China
- Prior art keywords
- led lamp
- connector
- housing
- led
- lamp tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/90—Methods of manufacture
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/002—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips making direct electrical contact, e.g. by piercing
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
-
- 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
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention provides an LED lamp tube which is convenient to assemble. According to the LED lamp tube, automatic assembly can be achieved conveniently. The LED lamp tube comprises a lamp tube body and an end cap located at the end of the lamp tube body. The lamp tube body comprises a lamp housing and an LED lamp strip arranged in the lamp housing in the length direction of the lamp housing. A plurality of LED lamp beads which are integrally packaged are arranged on the LED lamp strip. The end cap comprises an end cap shell and an LED driving power panel, wherein the end cap shell is provided with a cavity, and the LED driving power panel is arranged in the end cap shell. The LED lamp tube further comprises a connector, wherein a conducting clip is embedded in the connector. The conducting clip is provided with a first end and a second end, wherein the first end and the second end stretch out of the connector. The first end of the conducting clip makes contact with the LED lamp strip for breakover and the second end of the conducting clip makes contact with the LED driving power panel for breakover, so that the LED lamp strip and the driving power panel are electrically connected.
Description
Technical field
the present invention relates to a kind of LED lamp tube.
Background technology
in prior art, LED drive power plate is arranged in plug usually, and plug is arranged on the end of lamp housing.Generally by following two kinds of modes, the LED lamp bar in lamp housing and the LED drive power plate in plug are conducted: 1, bonding wire; 2, adopt pin-hole mode, Male/female connector is welded on LED lamp bar and LED drive power plate respectively, and Male/female connector can not automatic welding completely, need manual welding, and the cost of Male/female connector two pieces is higher.All there is in aforesaid way the drawback that assembling is inconvenient, need a large amount of artificial, be difficult to the automatic assembling realizing LED lamp tube.
Summary of the invention
for the problems referred to above, the object of this invention is to provide a kind of LED lamp tube easy to assembly, it is convenient to realize automatic assembling.
for solving the problems of the technologies described above, the present invention adopts following technical scheme:
a kind of LED lamp tube, comprise fluorescent tube body, be positioned at the plug in described fluorescent tube end of body, described fluorescent tube body comprises lamp housing, length direction along described lamp housing is arranged on the LED lamp bar in lamp housing, described LED lamp bar is provided with the LED lamp bead of multiple integration packaging, described plug comprises the plug housing with cavity, be arranged at the LED drive power plate in described plug housing, described LED lamp tube also comprises the connector being embedded with electroconductive elastic sheet, described electroconductive elastic sheet has and extend out to first end outside described connector and the second end, first end and the described LED lamp bar of described electroconductive elastic sheet contact conducting and the second end contacts with described LED drive power plate conducting so that described LED lamp bar and described LED drive power plate are electrically connected mutually.
preferably, between the end that described connector is fixedly connected on described lamp housing and described plug housing, first end and second end of described electroconductive elastic sheet are oppositely arranged, and the first end of described electroconductive elastic sheet is arranged in the space being formed at described lamp housing, the second end of described electroconductive elastic sheet is arranged in the cavity of described plug housing.
preferably, end and the described plug housing of described lamp housing are fixedly connected, and described connector is arranged in described LED lamp bar, both LED drive power plates.
more preferably, described connector has the buckle extended along the direction away from described connector from one side surface, described LED lamp bar, one in both LED drive power plates offers the hole of matching with described buckle, described buckle comprises the Plug Division be inserted in described hole and the fastener stretched out in outside described hole, one end of described Plug Division and described connector are fixedly connected and the other end and described fastener are fixedly connected, the described LED lamp bar of at least part of clamping of described fastener, another in both LED drive power plates is separated to prevent buckle and hole.
further, described fastener has multiple and interval and arranges, and is formed with a space between multiple fastener, and described fastener has elasticity and makes the fastener deformation that bends draw close in described space and provide reset force for himself.
further, the end of described fastener has from inside to outside with the guiding surface that the mode gradually near a described side surface of described connector tilts to extend.
preferably, described plug also comprises that laminating is arranged at the heat-conducting piece of described plug inner walls, described heat-conducting piece is made up of metal or metal alloy, and described LED drive power plate is arranged on described heat-conducting piece.
more preferably, described heat-conducting piece is made up of one or more in aluminium, copper, aluminium alloy, copper alloy.
more preferably, described plug housing is made up of common engineering plastics or nano composite plastics or is dispelled the heat to paint by the one deck be coated on outside described heat-conducting piece and formed or formed by one deck heat radiation coating be coated on outside described heat-conducting piece, and the thermal conductivity factor of described nano composite plastics or described heat radiation paint or described heat radiation coating is greater than 0.1W/mK.
preferably, described plug housing is made up of common engineering plastics or nano composite plastics.
the present invention adopts above technical scheme, and tool has the following advantages compared to existing technology: the electrical connection being realized LED lamp bead and LED drive power plate by connector, makes the easy to assembly of LED lamp tube, enhances productivity, and is convenient to the automatic assembling carrying out LED lamp tube.
Accompanying drawing explanation
fig. 1 is the decomposing schematic representation of the embodiment of the present invention one;
fig. 2 is the sectional view of the embodiment of the present invention one;
fig. 3 is the sectional view of the embodiment of the present invention two;
fig. 4 is the structural representation of the connector of the embodiment of the present invention two;
fig. 5 is the sectional view of the embodiment of the present invention three;
fig. 6 is the sectional view of the embodiment of the present invention four;
fig. 7 is the sectional view of the embodiment of the present invention five.Plug housing is eliminated in Fig. 3,5-7.
wherein, 1, fluorescent tube body; 11, lamp housing; 12, LED lamp bar;
2, plug; 21, plug housing; 22, heat-conducting piece; 23, LED drive power plate; 24, electrode foot; 25, connector; 26, electroconductive elastic sheet; 27, contact pin;
28, buckle; 281, Plug Division; 282, fastener; 2820, guiding surface.
Detailed description of the invention
below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be understood by those skilled in the art.
embodiment one
shown in composition graphs 1, Fig. 2, a kind of LED lamp tube, it comprises fluorescent tube body 1, is installed on the plug 2 of end, fluorescent tube body 1 one end.Fluorescent tube body 1 is roughly in cylindric, and plug 2 is by an end-enclosed of fluorescent tube body 1, and the other end of fluorescent tube body 1 is also closed, with dust and moisture.
fluorescent tube body 1 comprises lamp housing 11, the LED lamp bar 12 be plugged in along the length direction of lamp housing 11 in lamp housing 11.Lamp housing 11 comprise be made up of Heat Conduction Material lamp socket, connect and the lampshade that LED lamp bar 12 is covered with lamp socket.Lampshade is printing opacity, and the material that lamp socket has excellent heat conductivity performance and heat dispersion by aluminium section bar or nano composite plastics etc. is made, and also can be made up of common engineering plastics.LED lamp bar 12 is provided with the LED lamp bead (not shown) of multiple integration packaging.LED lamp bar 12 fits tightly mutually with lamp socket.
plug 2 comprise there is cavity plug housing 21, laminating be arranged at the heat-conducting piece 22 of described plug housing 21 inwall, the LED drive power plate 23 be arranged on heat-conducting piece 22, the electrode foot 24 for connecting external power source be arranged on plug housing 21.Heat-conducting piece 22 is made up of aluminium section bar, plug housing 21 is made up of nano composite plastics, or formed by one deck heat radiation paint be coated on heat-conducting piece 22 outer surface or heat radiation coating, the thickness of heat radiation paint or heat radiation coating is 10 ~ 100 microns, and the thermal conductivity factor of nano composite plastics or heat radiation paint or heat radiation coating is greater than 0.1W/mK, is preferably greater than 0.25W/mK.LED drive power plate 23 is linear IC power supply, linear IC power card to be located on heat-conducting piece 22 and with IC power supply close contact.
this LED lamp tube also comprises the connector 25 be connected between plug housing 21 and described lamp housing 11.Connector 25 is fixedly connected between the end of lamp housing 11 and plug housing 21, is separated mutually by the cavity of plug housing 21 with the space in lamp housing 11.Connector 25 is formed with multiple grab extended towards plug housing 21, on the inwall of plug housing 21, correspondence offers multiple draw-in groove matched with grab, and grab inserts in draw-in groove to be connected with connector 25 by plug housing 21.Connector 25 has been arranged side by side multiple electroconductive elastic sheet 26, electroconductive elastic sheet 26 is made up of conducting metals such as copper and is had certain elasticity.In the embedding connector 25 of electroconductive elastic sheet 26, and have relative and stretch out first end and second end of connector, the first end of the first electroconductive elastic sheet 26 extends to the space in lamp housing 11, and the second end extends to the cavity of plug housing 21.When lamp housing 11 is connected with plug housing 21 by connector 25, the first end of electroconductive elastic sheet 26 is subject to the thrust of LED lamp bar 12 and elastic deformation occurs slightly, on the one hand can be specially the connection layer of LED lamp bar 12 with LED lamp bar 12(, connection layer has the lead-in wire by each LED lamp bead series connection and/or parallel connection) contact to conduct electricity, on the other hand due to the elastic reset power effect of electroconductive elastic sheet 26 first end, the first end of electroconductive elastic sheet 26 has the trend resetted towards LED lamp bar 12, ensure that the first end of electroconductive elastic sheet 26 can offset with LED lamp bar 12 all the time to contact.In like manner, when lamp housing 11 is connected with plug housing 21 by connector 25, second end of electroconductive elastic sheet 26 is subject to the thrust of linear IC power supply and elastic deformation occurs slightly, all the time offset with linear IC power supply to make the second end of electroconductive elastic sheet 26 and contact to conduct electricity, each LED lamp bar and linear IC power supply are electrically connected by final realization mutually.
plug 2 also comprises the contact pin 27 for LED drive power plate 23 and electrode foot 24 being electrically connected mutually.Contact pin 27 is made up of conducting metal, and an end of contact pin 27 is riveted with electrode foot 24 phase, and the other end of contact pin 27 offsets with LED drive power plate 23 and contacts, and linear IC power supply and electrode foot 24 is conducted.Realize the external power sources such as LED drive power plate 23 and civil power to connect, make the easy for installation of LED lamp tube.
embodiment two
shown in composition graphs 3, Fig. 4, a kind of LED lamp tube, it comprises fluorescent tube body 1, is installed on the plug 2 of end, fluorescent tube body 1 one end.Fluorescent tube body 1 is roughly in cylindric, and plug 2 is by an end-enclosed of fluorescent tube body 1, and the other end of fluorescent tube body 1 is also closed, with dust and moisture.
fluorescent tube body 1 comprises lamp housing 11, the LED lamp bar 12 be plugged in along the length direction of lamp housing 11 in lamp housing 11.Lamp housing 11 comprise be made up of Heat Conduction Material lamp socket, connect and the lampshade that LED lamp bar 12 is covered with lamp socket.Lampshade is printing opacity, and the material that lamp socket has excellent heat conductivity performance and heat dispersion by aluminium section bar or nano composite plastics etc. is made, and also can be made up of common engineering plastics.LED lamp bar 12 is provided with the LED lamp bead (not shown) of multiple integration packaging.LED lamp bar 12 fits tightly mutually with lamp socket.
plug 2 comprises the plug housing (not shown) with cavity, the LED drive power plate 23 be arranged in plug housing.Plug housing 21 is made up of nano composite plastics.The end of plug housing and lamp housing is fixedly connected.
this LED lamp tube also comprises connector 25.LED lamp bar 12 and LED drive power plate 23 are all horizontally disposed with, and connector 25 is arranged on LED drive power plate 23 by connecting and fixing.Particularly, shown in composition graphs 4, connector 25 has a buckle 28 extended along the direction away from described connector 25 from its uper side surface, LED drive power plate 23 offers a hole of matching with this buckle 28.Buckle 28 comprises the Plug Division 281 be inserted in hole and the fastener 282 be positioned at outside hole, and one end of Plug Division 281 and connector 25 are fixedly connected and the other end and fastener 282 are fixedly connected.The part opposing connections evagination of fastener 282, part and the upper surface of LED drive power plate 23 of evagination offset and contact to prevent buckle 28 and hole to be separated.The lower surface of LED drive power plate 23 then contacts with the uper side surface of connector 25, connector 25 is embedded with electroconductive elastic sheet 26 and has respectively to first end that is lower and that extend upwardly to outside connector 25 and the second end, wherein the lower surface of the second end and LED drive power plate 23 contacts conducting, first end then contacts with the upper surface of LED lamp bar 12 conducting, realizes being electrically connected of LED lamp bar 12 and LED drive power plate 23.
in order to further facilitate assembling, fastener 282 has multiple and interval and arranges, and is formed with a space between multiple fastener 282.Fastener 282 is made of plastics, and thus has certain elasticity.In addition, the upper end of each fastener 282 all has from inside to outside with the guiding surface 2820 that the mode gradually near the uper side surface of connector 25 tilts to extend, and namely guiding surface is downward-sloping gradually from inside to outside.Herein inside and outside with above-mentioned space for reference, being outward away from the side in space.When assembling, press down LED drive power plate 23, under the effect of guiding surface 2820, fastener 282 is stressed inwardly to bend deformation thus draw close in space, and fastener 282 is able to through hole, when through behind hole, external force disappears, fastener 282 resets under the effect of reset force, and clamps the upper surface of LED drive power plate 23, prevents LED drive power plate 23 from departing from.
embodiment three
shown in composition graphs 5, the present embodiment is substantially with embodiment two, and difference is: LED drive power plate 23 is vertically arranged, and buckle 28 is formed in the left-hand face of connector 25, the first end of electroconductive elastic sheet 26 stretches out from the downside surface of connector 25, and the second end stretches out from the left-hand face of connector 25.
embodiment four
shown in composition graphs 6, the present embodiment is substantially with embodiment two, and difference is only: connector 25 is arranged in LED lamp bar 12 by buckle 28.
embodiment five
shown in composition graphs 7, the present embodiment is substantially with embodiment two, and difference is only: connector 25 is arranged in LED lamp bar 12 by buckle 28, and LED drive power plate 23 is vertically arranged.Buckle 28 is formed on the downside surface of connector 25, and the first end of electroconductive elastic sheet 26 stretches out from the volume two surface of connector 25, and the second end stretches out from the left-hand face of connector 25.
lED lamp tube of the present invention is contacted with LED lamp bar and LED drive power plate respectively by two different surfaces of connector, by the electroconductive elastic sheet be embedded in connector, LED lamp bar and the conducting of LED drive power plate are electrically connected, the mode that bonding wire is compared to existing technology connected with pin-hole male and female two-piece type, assemble more convenient, be convenient to the automatic assembling realizing LED lamp tube.
above-described embodiment for technical conceive of the present invention and feature are described, is only a kind of preferred embodiment, its object is to person skilled in the art and can understand content of the present invention and implement according to this, can not limit protection scope of the present invention with this.The equivalent transformation that all Spirit Essences according to the present invention are done or modification, all should be encompassed within protection scope of the present invention.
Claims (10)
1. a LED lamp tube, comprise fluorescent tube body, be positioned at the plug in described fluorescent tube end of body, described fluorescent tube body comprises lamp housing, length direction along described lamp housing is arranged on the LED lamp bar in lamp housing, described LED lamp bar is provided with the LED lamp bead of multiple integration packaging, it is characterized in that: described plug comprises the plug housing with cavity, be arranged at the LED drive power plate in described plug housing, described LED lamp tube also comprises the connector being embedded with electroconductive elastic sheet, described electroconductive elastic sheet has and extend out to first end outside described connector and the second end, first end and the described LED lamp bar of described electroconductive elastic sheet contact conducting and the second end contacts with described LED drive power plate conducting so that described LED lamp bar and described LED drive power plate are electrically connected mutually.
2. LED lamp tube according to claim 1, it is characterized in that: between the end that described connector is fixedly connected on described lamp housing and described plug housing, first end and second end of described electroconductive elastic sheet are oppositely arranged, and the first end of described electroconductive elastic sheet is arranged in the space being formed at described lamp housing, the second end of described electroconductive elastic sheet is arranged in the cavity of described plug housing.
3. LED lamp tube according to claim 1, is characterized in that: end and the described plug housing of described lamp housing are fixedly connected, and described connector is arranged in described LED lamp bar, both LED drive power plates.
4. LED lamp tube according to claim 3, it is characterized in that: described connector has the buckle extended along the direction away from described connector from one side surface, described LED lamp bar, one in both LED drive power plates offers the hole of matching with described buckle, described buckle comprises the Plug Division be inserted in described hole and the fastener stretched out in outside described hole, one end of described Plug Division and described connector are fixedly connected and the other end and described fastener are fixedly connected, the described LED lamp bar of at least part of clamping of described fastener, another in both LED drive power plates is separated to prevent buckle and hole.
5. LED lamp tube according to claim 4, it is characterized in that: described fastener has multiple and interval and arranges, be formed with a space between multiple fastener, described fastener has elasticity and makes the fastener deformation that bends draw close in described space and provide reset force for himself.
6. LED lamp tube according to claim 5, is characterized in that: the end of described fastener has from inside to outside with the guiding surface that the mode gradually near a described side surface of described connector tilts to extend.
7. LED lamp tube according to claim 1, is characterized in that: described plug also comprises the heat-conducting piece that laminating is arranged at described plug inner walls, and described heat-conducting piece is made up of metal or metal alloy, and described LED drive power plate is arranged on described heat-conducting piece.
8. LED lamp tube according to claim 7, is characterized in that: described heat-conducting piece is made up of one or more in aluminium, copper, aluminium alloy, copper alloy.
9. LED lamp tube according to claim 7, it is characterized in that: described plug housing is made up of nano composite plastics or is dispelled the heat to paint by the one deck be coated on outside described heat-conducting piece and formed or formed by one deck heat radiation coating be coated on outside described heat-conducting piece, and the thermal conductivity factor of described nano composite plastics or described heat radiation paint or described heat radiation coating is greater than 0.1W/mK.
10. LED lamp tube according to claim 1, is characterized in that: described plug housing is made up of nano composite plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510452037.2A CN105042373B (en) | 2015-04-15 | 2015-07-29 | Led lamp tube |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510177890 | 2015-04-15 | ||
| CN2015101778908 | 2015-04-15 | ||
| CN201510452037.2A CN105042373B (en) | 2015-04-15 | 2015-07-29 | Led lamp tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105042373A true CN105042373A (en) | 2015-11-11 |
| CN105042373B CN105042373B (en) | 2018-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510452037.2A Active CN105042373B (en) | 2015-04-15 | 2015-07-29 | Led lamp tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105042373B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237329A (en) * | 2017-07-06 | 2019-01-18 | 总督科技股份有限公司 | The anti-dazzle structure of LED lamp tube |
| CN112616215A (en) * | 2020-12-17 | 2021-04-06 | 绍兴欧能光电有限公司 | LED lamp tube assembling mechanism and assembling method thereof |
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| CN204026262U (en) * | 2014-08-14 | 2014-12-17 | 乐清市健坤接插件有限公司 | One is exempted to weld LED |
| CN204164719U (en) * | 2014-08-26 | 2015-02-18 | 上舜照明（中国）有限公司 | Led fluorescent lamp tube |
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2015
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| CN104132268A (en) * | 2009-05-22 | 2014-11-05 | 夏普株式会社 | Light source device and display device |
| CN102748636A (en) * | 2012-07-13 | 2012-10-24 | 中山市恒辰光电科技有限公司 | LED (light-emitting diode) fluorescent lamp |
| CN202812976U (en) * | 2012-10-02 | 2013-03-20 | 湖北申安照明科技有限公司 | Light-emitting diode (LED) lamp tube with angle correcting function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109237329A (en) * | 2017-07-06 | 2019-01-18 | 总督科技股份有限公司 | The anti-dazzle structure of LED lamp tube |
| CN112616215A (en) * | 2020-12-17 | 2021-04-06 | 绍兴欧能光电有限公司 | LED lamp tube assembling mechanism and assembling method thereof |
| CN112616215B (en) * | 2020-12-17 | 2024-05-07 | 绍兴欧能光电有限公司 | LED lamp tube assembling mechanism and assembling method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105042373B (en) | 2018-07-13 |
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Effective date of registration: 20201225 Address after: No.1, quantuan Road, Qianqiu Town, Sheyang County, Yancheng City, Jiangsu Province Patentee after: Ma Xijiang Address before: 215006, No. 83, Star Road, Suzhou Industrial Park, Jiangsu, China Patentee before: SUZHOU GLORY GREEN LIGHTING SYSTEM Corp. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230105 Address after: 276100 Kaiyuan Road, economic development zone, Tancheng County, Linyi City, Shandong Province Patentee after: Linyi Jiechuang Chemical Industrial Park Co.,Ltd. Address before: No.1, quantuan Road, Qianqiu Town, Sheyang County, Yancheng City, Jiangsu Province Patentee before: Ma Xijiang |