CN102384440A - Light-emitting diode lamp tube and plugs thereof - Google Patents
Light-emitting diode lamp tube and plugs thereof Download PDFInfo
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- CN102384440A CN102384440A CN2010102696264A CN201010269626A CN102384440A CN 102384440 A CN102384440 A CN 102384440A CN 2010102696264 A CN2010102696264 A CN 2010102696264A CN 201010269626 A CN201010269626 A CN 201010269626A CN 102384440 A CN102384440 A CN 102384440A
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- light
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- emitting diode
- adjuster
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Abstract
A light-emitting diode lamp tube comprises a lamp tube body and a pair of plugs. Each plug is provided with a connecting seat, an adjuster, a side cover sleeve and an elastic assembly for pushing the adjuster. The connecting seat is fixed at one end of the lamp tube body and provided with a casing. The adjuster is provided with a cylindrical body and a plurality of first concave-convex pieces formed at one end edge of the cylindrical body in an annular mode. The body is slidably contacted with the casing. The side cover sleeve is provided with a wall body, an outer cover plate and a plurality of second concave-convex pieces formed on the inner surface of the outer cover plate in an annular mode. The outer cover plate is slidably connected onto the connecting seat, the adjuster is elastically contacted with the inner surface of the outer cover plate, and the first concave-convex pieces can be clamped and fixed at different positions on the second concave-convex pieces optionally. Therefore, lighting angles can be adjusted by rotating the lamp tube body of the light-emitting diode lamp tube.
Description
Technical field
The present invention relates to a kind of light-emitting diode lamp tube and plug thereof, particularly a kind of light-emitting diode lamp tube can be adjusted the angle of its illumination, and wherein the fluorescent tube body of light-emitting diode lamp tube is rotary with respect to this plug.
Background technology
Light emitting diode has been widely used in various light fixtures, comprises the fluorescent tube of T8 external form.Most light-emitting diode lamp tube is that a plurality of light emitting diodes are set, and what have is set as a light-emitting diode light bar.The light angle of these light-emitting diode lamp tubes receives the restriction of light emitting diode, can't look like the illumination of T8 fluorescent tube 360 degree of traditional type.
For this reason, the present invention proposes a kind of reasonable in design and effectively improve the technical scheme of the problems referred to above.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of light-emitting diode lamp tube, and wherein the light angle of this light-emitting diode lamp tube can be adjusted.
In addition; The technical problem that the present invention will solve; Also be to provide a kind of plug of light-emitting diode lamp tube, wherein the fluorescent tube body of this light emitting diode is rotary with respect to this plug, and the user need not dismantle or instrument promptly turns this fluorescent tube body with the adjustment light angle.
In order to solve the problems of the technologies described above, it is an end that is positioned at the fluorescent tube body that the present invention provides a kind of plug of light-emitting diode lamp tube, and this plug comprises a connecting seat, an elastic parts, an adjuster, reaches a side cover external member.This Connection Block is fixed in an end of this fluorescent tube body, and it has a housing.This elastic parts is contained in this Connection Block and this adjuster of ejection.This adjuster has a body, reaches the ora terminalis that a plurality of first concave-convex-piece ring-types are formed at this body, and wherein this body is contacted with this housing slidably along its axle center.This side cover external member has the outside that a wall body, an outer cover plate are connected in this wall body; And a plurality of second concave-convex-piece ring-types are formed at the inner surface of this outer cover plate; Wherein this outer cover plate is connected in this Connection Block rotationally; Wherein this adjuster flexibly is contacted with this inner surface of this outer cover plate, and this first concave-convex-piece selectively is fastened in the diverse location on this second concave-convex-piece.
In order to solve the problems of the technologies described above, the present invention provides a kind of light-emitting diode lamp tube, and it comprises a fluorescent tube body and a pair of plug.This fluorescent tube body has a heat-radiating substrate, reaches a cover cap is to cover on this heat-radiating substrate.Each plug has a connecting seat, an elastic parts, an adjuster, reaches a side cover external member.This Connection Block is fixed in an end of this heat-radiating substrate, and it has a housing.This elastic parts is contained in this Connection Block and this adjuster of ejection.This adjuster has a body, reaches the ora terminalis that a plurality of first concave-convex-piece ring-types are formed at this body, and wherein this body is contacted with this housing slidably along its axle center.This side cover external member has the outside that a wall body, an outer cover plate are connected in this wall body; And a plurality of second concave-convex-piece ring-types are formed at the inner surface of this outer cover plate; Wherein this outer cover plate is connected in this Connection Block rotationally; Wherein this adjuster flexibly is contacted with this inner surface of this outer cover plate, and this first concave-convex-piece selectively is fastened in the diverse location on this second concave-convex-piece.
The present invention has following beneficial effect: the present invention need not dismantle or instrument can be adjusted the light angle of light-emitting diode lamp tube, and the user can adjust needed light source easily.
Describe the present invention below in conjunction with accompanying drawing and specific embodiment, but not as to qualification of the present invention.
Description of drawings
Fig. 1 is the three-dimensional exploded view of light-emitting diode lamp tube of the present invention;
Fig. 2 is another angle three-dimensional exploded view of light-emitting diode lamp tube of the present invention;
Fig. 3 is another stereogram of side cover external member of the present invention;
Fig. 4 is the local constitutional diagram of light-emitting diode lamp tube of the present invention;
Fig. 5 is the constitutional diagram of analysing and observe of light-emitting diode lamp tube of the present invention;
Fig. 6 is the cutaway view of second embodiment of the invention;
Fig. 7 is the cutaway view of third embodiment of the invention.
Wherein, Reference numeral
Heat-radiating substrate 12
Holddown groove 122
Waterproof adhesive tape 16a, 16b
Waterproof external member 21
Guide rail 223,223a
Guide groove 223b
Screw 226
Adjuster 24
In the portion 242 of contracting
Guide groove 243,243a
Arm body 243b
First concave-convex-piece 244
Side cover external member 25
Stop block 253
Electrode 254
Second concave-convex-piece 255
Screw 256
Screw S1, S2, S3
Angle designated symbol A0, A165
The specific embodiment
Below in conjunction with accompanying drawing structural principle of the present invention and operation principle are done concrete description:
Please refer to Fig. 1 and Fig. 2, be the three-dimensional exploded view of light-emitting diode lamp tube of the present invention.The present invention provides a kind of light-emitting diode lamp tube, and it comprises a fluorescent tube body 1 and a pair of plug 2.Only local this fluorescent tube body 1 of expression during this is graphic, and only represent a plug 2.This fluorescent tube body 1 have a heat-radiating substrate 12, and a cover cap 14 be to cover on this heat-radiating substrate 12.The surface of this heat-radiating substrate 12 is provided with a plurality of light emitting diodes (figure slightly).Each plug 2 has a connecting seat 22, an elastic parts 23, an adjuster 24, an and side cover external member 25.
Below introduce this fluorescent tube body 1 in detail.This heat-radiating substrate 12 has multi-disc fin (not label) and a pair of holddown groove 122.It is to snap in this in the holddown groove 122 that this cover cap 14 has two root edges.For the function of waterproof is provided, present embodiment further comprises a pair of waterproof adhesive tape 16a, and 16b is contained in this in the holddown groove 122 and coat the root edge of this cover cap 14.
Relation about each assembly of light-emitting diode lamp tube of the present invention is following.This Connection Block 22 is fixed in an end of this heat-radiating substrate 12, and this Connection Block 22 has a ringwise housing 221.This adjuster 24 have a body cylindraceous 241, and a plurality of first concave-convex-pieces 244 be formed at an ora terminalis of this body 241 annularly, wherein this body 241 is contacted with the curved surfaces of this annular housing 221 slidably along its axle center.Please be another stereogram of side cover external member of the present invention simultaneously with reference to figure 3.This side cover external member 25 has one and is the outside that wall body cylindraceous 251, an outer cover plate 252 are connected in this wall body 251, and a plurality of second concave-convex-pieces 255 are formed at the inner surface of this outer cover plate 252 annularly.This outer cover plate 252 is fixed with pair of electrodes 254.Wherein this Connection Block 22 is connected in this side cover external member 25 rotationally, and wherein this adjuster 24 flexibly is contacted with the inner surface of this outer cover plate 252, and this first concave-convex-piece 244 selectively is fastened in the diverse location on this second concave-convex-piece 255.This this adjuster 24 of elastic parts 23 ejections flexibly is contacted with this outer cover plate 252 of this side cover external member 25.This elastic parts 23 is springs in the present embodiment.
For the function of waterproof is provided, further comprise a waterproof external member 21 in the present embodiment, to prevent that water part is by infiltrating between this side cover external member 25 and this fluorescent tube body 1.This waterproof external member 21 is sheathed on an end of this fluorescent tube body 1, and wherein this wall body 251 of this side cover external member 25 is coated on the outside of this waterproof external member 21, and it is the inner edge that is connected to this wall body 251 that the outer surface of this waterproof external member 21 forms a sealing ring 211.This waterproof external member 21 has an outer wall.This outer wall is formed with a perforate and passes, reaches a pair of screw (referring to Fig. 1, marking) with supply lines.
Below introduce this Connection Block 22 and this adjuster 24 and annexation thereof of this plug 2 in detail.As shown in Figure 1; This Connection Block 22 has this housing 221 given prominence to and be parallel to by a plurality of guide rails 223 by this housing 221 axle center; This body 241 of this adjuster 24 is formed with a plurality of guide grooves 243 that correspond to this guide rail 223, and above-mentioned a plurality of guide rails 223 are slidably located in above-mentioned a plurality of guide groove 243.In the present embodiment, above-mentioned a plurality of guide rails 223 are formed at the inner surface of this housing 221, and above-mentioned a plurality of guide grooves 243 are formed at the outer surface of this body 241.This adjuster 24 is mounted slidably in the inside of this Connection Block 22.
Below introduce this Connection Block 22 more in detail.Please be simultaneously with reference to figure 2, wherein this Connection Block 22 comprises that also a sidewall 222 is positioned at a side of this housing 221, this sidewall 222 is fixed in an end of this fluorescent tube body 1.Present embodiment is by two-screw S1, S2 pass the screw 226 of this sidewall 222 and pass this waterproof external member 21 with screw lock in this of this heat-radiating substrate 12 to holddown groove 122.In addition, this sidewall 222 comprises that also a wire casing 224 supply lines pass through.Please refer to Fig. 1, this Connection Block 22 comprises that also an internal partition 225 is inwardly outstanding by this sidewall 222, and this elastic parts 23 is contained between this internal partition 225 and this housing 221.This Connection Block 22 comprises that also a cylinder 227 is inwardly outstanding by the center of this sidewall 222 in this enforcement, and this cylinder 227 is articulated in this outer cover plate 252 of this side cover external member 25.
Below thin detailed this adjuster 24 of introducing.Please refer to Fig. 1, this adjuster 24 also comprises the end extension of the portion of contracting in one 242 by this body 241.Should in contract the internal diameter of portion 242 less than the internal diameter of this body 241, this elastic parts 23 is contacted with the inner edge of the portion of contracting in this 242, above-mentioned a plurality of first concave-convex-pieces 244 are formed at this ora terminalis of 242.This first concave-convex-piece 244 protrudes in the outer face of the roof of the portion of contracting in this 242 in the present embodiment as the semicircle projection of little shape.
Be provided with the mechanism that limits this fluorescent tube body anglec of rotation among the present invention especially, pull apart electric wire with the excessive rotation of the person of avoiding the use of.Wherein this adjuster 24 has the periphery that an interference piece 245 is positioned at this first concave-convex-piece 244.Please refer to Fig. 3, the further outstanding stop block 253 of the inner surface of this outer cover plate 252 of this side cover external member 25 is positioned at the periphery of this second concave-convex-piece 255, and wherein these stop block 253 blocks should be interfered piece 245.This second concave-convex-piece 255 is as wavy groove in the present embodiment, and its profile corresponds to this first concave-convex-piece 244.Yet the profile of above-mentioned first concave-convex-piece and second concave-convex-piece can be to exchange.
In the present embodiment arrangement mode of this second concave-convex-piece 255 be about per 15 the degree be provided with one.The present invention is for providing the function of identification when assembling, wherein the outer surface of this outer cover plate 252 of this side cover external member 25 is provided with a plurality of angle designated symbol A0, A165.Per respectively 15 degree are provided with an angle designated symbol to angle designated symbol A0 toward both sides in the present embodiment, are two relative angle designated symbol A165 the most finally.Position at 180 degree is inboard, and this stop block 253 is set.The position of this interference piece 245 is the positions corresponding to this angle designated symbol A0 among this figure, also is the position of initial set dress.Drive this adjuster 24 when therefore, this fluorescent tube body 1 rotates among the present invention and can respectively rotate 165 degree to both sides.Above-mentioned angle designated symbol A0 also is the direction of light-emitting diode lamp tube initial illumination.
Below introduce mounting means of the present invention, please be simultaneously with reference to figure 4 and Fig. 5, for the local constitutional diagram of light-emitting diode lamp tube of the present invention and analyse and observe constitutional diagram.After the 1 combination completion of fluorescent tube body, waterproof external member 21 is placed in an end of fluorescent tube body 1.Then, the end with this elastic parts 23 places between this internal partition 225 and this housing 221 of this Connection Block 22.This adjuster 24 is inserted in this Connection Block 22, also is to place between this internal partition 225 and this housing 221.This moment, this elastic parts 23 was between this adjuster 24 and this Connection Block 22, and the portion 242 of contracting in this is supported on the other end of this elastic parts 23 top.Then, this side cover external member 25 is placed in the outer end of this waterproof external member 21.Utilize screw S3 that this side cover external member 25 is articulated in this cylinder 227 of this Connection Block 22 at last, as shown in Figure 5.That is the screw 256 that passes this outer cover plate 252 with screw S3 is to be articulated in this Connection Block 22.
Please refer to Fig. 5, be the partial sectional view of light-emitting diode lamp tube of the present invention.It is following that the present invention adjusts the action introduction of light angle.This side cover external member 25 is fixed on lamp socket (not shown).The user directly rotates this fluorescent tube body 1, and this fluorescent tube body 1 drives this Connection Block 22 that is fixed in its outer end.This adjuster 24 is driven by this Connection Block 22, and this first concave-convex-piece 244 of this adjuster 24 slides on these second concave-convex-piece, 255 surfaces.The process of sliding, this elastic parts 23 is inwardly pushed by this adjuster 24 slightly, and the space of rotation is arranged.These elastic parts 23 effects are this adjuster 24 of pushing tow always, make this first concave-convex-piece 244 keep being connected in this second concave-convex-piece 255.
Please refer to Fig. 6, be the cutaway view of second embodiment of the invention.Among this embodiment, this Connection Block 22 is mounted slidably in the inside of this adjuster 24.The outer surface of this housing 221 forms a plurality of guide rail 223a, and the inner surface of this body 241 forms a plurality of guide groove 243a with ccontaining those guide rails 223a.Perhaps, the structure of above-mentioned guide rail and guide groove also can be exchanged.
Please refer to Fig. 7, be the cutaway view of third embodiment of the invention.Present embodiment shows that this body 241 is contacted with the another kind of mode of the curved surfaces of this housing 221 slidably along its axle center.This housing 221 of this Connection Block 22 can form a plurality of guide groove 223b that run through, and this body 241 of this adjuster 24 forms and outwards is extruded with flexible arm body 243b.Arm body 243b is located in the guide groove 223b slidably.
Indulge and attend institute's opinion, light-emitting diode lamp tube of the present invention and plug thereof have characteristics described as follows and function: light-emitting diode lamp tube of the present invention only needs direct rotating light tube body, can adjust light angle easily, and it is auxiliary need not dismantle this plug or instrument.The user can adjust needed light source easily.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (11)
1. the plug of a light-emitting diode lamp tube is positioned at an end of fluorescent tube body, it is characterized in that, comprising:
A connecting seat, the end that it is fixed in this fluorescent tube body has a housing;
One elastic parts, it is contained in this Connection Block;
One adjuster has a body, reaches the ora terminalis that a plurality of first concave-convex-piece ring-types are formed at this body, and wherein this body is contacted with this housing slidably, and this this adjuster of elastic parts ejection; And
One side cover external member; Have a wall body, an outer cover plate and be connected in the outside of this wall body; And a plurality of second concave-convex-piece ring-types are formed at the inner surface of this outer cover plate; Wherein this side cover external member is socketed on this Connection Block rotationally, and this adjuster flexibly is contacted with this inner surface of this outer cover plate, and this first concave-convex-piece can selectively be fastened in the diverse location on this second concave-convex-piece.
2. the plug of light-emitting diode lamp tube according to claim 1; It is characterized in that; This Connection Block has this housing given prominence to and be parallel to by a plurality of guide rails by this housing axle center; This body of this adjuster is formed with a plurality of guide grooves that correspond to this guide rail, and above-mentioned a plurality of guide rails are positioned at above-mentioned a plurality of guide groove slidably.
3. the plug of light-emitting diode lamp tube according to claim 1 is characterized in that, this Connection Block comprises that also a sidewall is positioned at a side of this housing, and this sidewall is fixed in an end of this fluorescent tube body.
4. the plug of light-emitting diode lamp tube according to claim 3 is characterized in that, this Connection Block comprises that also an internal partition is inwardly outstanding by this sidewall, and this elastic parts is contained between this internal partition and this housing.
5. the plug of light-emitting diode lamp tube according to claim 3 is characterized in that, this Connection Block comprises that also a cylinder is inwardly outstanding by the center of this sidewall, and this cylinder is articulated in this outer cover plate of this side cover external member.
6. the plug of light-emitting diode lamp tube according to claim 1; It is characterized in that; This adjuster also comprises the end extension of the portion of contracting in by this body; Should in contract the internal diameter of portion less than the internal diameter of this body, this elastic parts is contacted with the inner edge of the portion of contracting in this, above-mentioned a plurality of second concave-convex-pieces are formed at the ora terminalis of the portion of contracting in this.
7. the plug of light-emitting diode lamp tube according to claim 1; It is characterized in that; This adjuster has one and interferes piece to be positioned at the periphery of this first concave-convex-piece; The further outstanding stop block of the inner surface of this outer cover plate of this side cover external member is positioned at the periphery of this second concave-convex-piece, and wherein this stop block block should be interfered piece.
8. the plug of light-emitting diode lamp tube according to claim 1 is characterized in that, the outer surface of this outer cover plate of this side cover external member is provided with a plurality of angle designated symbols.
9. the plug of light-emitting diode lamp tube according to claim 1; It is characterized in that; Comprise that further a waterproof external member is an end that is sheathed on this fluorescent tube body; Wherein this wall body of this side cover external member is coated on the outside of this waterproof external member, the outer surface of this waterproof external member form a sealing ring be the inner edge that is connected to this wall body, and a perforate pass with supply lines.
10. the plug of light-emitting diode lamp tube according to claim 1 is characterized in that, this housing of this Connection Block forms a plurality of guide grooves that run through, and this body of this adjuster forms and outwards is extruded with flexible arm body, and above-mentioned arm body is located in the guide groove slidably.
11. a light-emitting diode lamp tube is characterized in that, comprising:
One fluorescent tube body, having a heat-radiating substrate, reaching a cover cap is to cover on this heat-radiating substrate; And
A pair of plug, each plug has:
A connecting seat, it is fixed in an end of this heat-radiating substrate, and has a housing;
One elastic parts, it is contained in this Connection Block;
One adjuster has a body, reaches the ora terminalis that a plurality of first concave-convex-piece ring-types are formed at this body, and wherein this body is contacted with this housing slidably, and this this adjuster of elastic parts ejection; And
One side cover external member; Have a wall body, an outer cover plate and be connected in the outside of this wall body; And a plurality of second concave-convex-piece ring-types are formed at the inner surface of this outer cover plate; Wherein this side cover external member is socketed on this Connection Block rotationally, and this adjuster flexibly is contacted with this inner surface of this outer cover plate, and this first concave-convex-piece can selectively be fastened in the diverse location on this second concave-convex-piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102696264A CN102384440A (en) | 2010-08-30 | 2010-08-30 | Light-emitting diode lamp tube and plugs thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102696264A CN102384440A (en) | 2010-08-30 | 2010-08-30 | Light-emitting diode lamp tube and plugs thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102384440A true CN102384440A (en) | 2012-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102696264A Pending CN102384440A (en) | 2010-08-30 | 2010-08-30 | Light-emitting diode lamp tube and plugs thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102384440A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759037A (en) * | 2012-07-13 | 2012-10-31 | 中山市尔全照明有限公司 | LED (Light-emitted Diode) lamp with adjustable light angle |
| CN104736924A (en) * | 2012-10-22 | 2015-06-24 | 爱捷特技术私人有限公司 | An LED lighting device having elastically biased end caps |
| CN105299487A (en) * | 2015-11-23 | 2016-02-03 | 梁锋 | Screw fixed type LED lamp tube |
| EP3030836A4 (en) * | 2013-10-17 | 2017-02-22 | Samsung Electronics Co., Ltd. | Lighting device |
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| TW200949129A (en) * | 2008-05-23 | 2009-12-01 | geng-shen Huang | Adjustable LED (light emitting diode) lamp tube |
| CN201368423Y (en) * | 2009-03-09 | 2009-12-23 | 华能光电科技股份有限公司 | Rotatable LED lamp tube connector |
| CN201434359Y (en) * | 2009-07-10 | 2010-03-31 | 黄晓萍 | Rotating fluorescent lamp base |
| CN201507891U (en) * | 2009-08-06 | 2010-06-16 | 方细军 | Lamp head capable of rotation in the range of 360 degrees and LED lamp capable of adjusting irradiation degrees |
| US20100219739A1 (en) * | 2009-02-27 | 2010-09-02 | Energyled Corporation | Led light tube and its connector thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200949129A (en) * | 2008-05-23 | 2009-12-01 | geng-shen Huang | Adjustable LED (light emitting diode) lamp tube |
| US20100219739A1 (en) * | 2009-02-27 | 2010-09-02 | Energyled Corporation | Led light tube and its connector thereof |
| CN201368423Y (en) * | 2009-03-09 | 2009-12-23 | 华能光电科技股份有限公司 | Rotatable LED lamp tube connector |
| CN201434359Y (en) * | 2009-07-10 | 2010-03-31 | 黄晓萍 | Rotating fluorescent lamp base |
| CN201507891U (en) * | 2009-08-06 | 2010-06-16 | 方细军 | Lamp head capable of rotation in the range of 360 degrees and LED lamp capable of adjusting irradiation degrees |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759037A (en) * | 2012-07-13 | 2012-10-31 | 中山市尔全照明有限公司 | LED (Light-emitted Diode) lamp with adjustable light angle |
| CN104736924A (en) * | 2012-10-22 | 2015-06-24 | 爱捷特技术私人有限公司 | An LED lighting device having elastically biased end caps |
| EP2909528A1 (en) * | 2012-10-22 | 2015-08-26 | Aztech Technologies PTE LTD | An led lighting device having elastically biased end caps |
| EP2909528A4 (en) * | 2012-10-22 | 2016-04-13 | Aztech Technologies Pte Ltd | An led lighting device having elastically biased end caps |
| CN104736924B (en) * | 2012-10-22 | 2017-10-13 | 爱捷特技术私人有限公司 | A kind of LED illumination device of flexible bias rotation bonnet |
| EP3030836A4 (en) * | 2013-10-17 | 2017-02-22 | Samsung Electronics Co., Ltd. | Lighting device |
| US10006623B2 (en) | 2013-10-17 | 2018-06-26 | Samsung Electronics Co., Ltd. | Lighting device |
| CN105299487A (en) * | 2015-11-23 | 2016-02-03 | 梁锋 | Screw fixed type LED lamp tube |
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Application publication date: 20120321 |