CN104180212A - Panel lamp - Google Patents

Panel lamp Download PDF

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Publication number
CN104180212A
CN104180212A CN201310203899.2A CN201310203899A CN104180212A CN 104180212 A CN104180212 A CN 104180212A CN 201310203899 A CN201310203899 A CN 201310203899A CN 104180212 A CN104180212 A CN 104180212A
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CN
China
Prior art keywords
frame
rib
supporting part
hole
frames
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
Application number
CN201310203899.2A
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Chinese (zh)
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CN104180212B (en
Inventor
周明杰
蔡华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oceans King Lighting Science and Technology Co Ltd
Shenzhen Oceans King Lighting Engineering Co Ltd
Original Assignee
Oceans King Lighting Science and Technology Co Ltd
Shenzhen Oceans King Lighting Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Oceans King Lighting Science and Technology Co Ltd, Shenzhen Oceans King Lighting Engineering Co Ltd filed Critical Oceans King Lighting Science and Technology Co Ltd
Priority to CN201310203899.2A priority Critical patent/CN104180212B/en
Publication of CN104180212A publication Critical patent/CN104180212A/en
Application granted granted Critical
Publication of CN104180212B publication Critical patent/CN104180212B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention provides a panel lamp. The panel lamp is characterized by comprising multiple first frames, multiple corner blocks, multiple light source assemblies, a light guide unit, a rear cover board and multiple second frames, wherein the multiple corner blocks are connected with the multiple first frames, and the multiple second frames are opposite to the multiple first frames. According to the panel lamp provided by the invention, a locating measure is set between a circuit board and a diffusion board, a limiting measure is set between the light source assemblies and the light guide unit, and thus panel lamp provided by the invention is convenient to assemble and long in service life.

Description

Panel light
Technical field
The present invention relates to field of light fittings.
Background technology
LED thin type panel lamp in the market by comprising framework that some frames form, be installed on described framework madial wall circuit board, be installed on some LED of described circuit board one side and take the LGP, diffuser plate, reflective sheeting, the back shroud that are loaded on described frame mid portion and form.The light that LED light source assembly sends is entered in described LGP, through diffuser plate, is exhaled by the side of described LGP.
Because LED is arranged on frame side, and between circuit board and diffuser plate, there is no location measure, very easily crooked in assembling process, difficult location, wastes man-hour.And LED and LGP are entering on light direction there is no other any spacing measures, this just causes LGP under the effect of other external force or its gravity, can push LED, destroys the structure of LED, and shortened the service life of LED, even dead lamp.
Summary of the invention
The invention provides a kind of panel light, it is characterized in that, comprise: a plurality of the first frames, a plurality of described the first frames surround an enclosed region, described in each, the first frame comprises a main body, described in each, one end of main body is provided with the supporting part extending to described enclosed region, a side identical with described main body of described supporting part is provided with positioning rib, described positioning rib and described main body form the first draw-in groove, described main body is provided with relative spacing rib and carrier rib in a upper side of described positioning rib bearing of trend, the side that described spacing rib is relative with described carrier rib is provided with cushion cap, a plurality of corner blocks that connect a plurality of described the first frames, a plurality of light source assemblies, are stuck in described in each in the first draw-in groove, light element, is placed in described supporting part and is provided with a side of described positioning rib and is located by described positioning rib, back shroud, is placed in the side different with described supporting part of described light element, and second frame relative with a plurality of described the first frames, a plurality of described the second frames surround an enclosed region, described in each, one end of the second frame is provided with the limiting section extending to described enclosed region, the side that described in each, the second frame is relative with described the first frame is provided with a projection, described limiting section is in described back shroud and the different side of described light element, described projection is stuck in described spacing rib, between described cushion cap and described carrier rib and and described the first frame be connected and fixed so that described light element and described back shroud are fixed between described limiting section and described supporting part.
Preferably, described in each, light source assembly comprises a circuit board and a plurality of LED lamp, and a plurality of described LED lamps are arranged on described in each on circuit board, and described in each, circuit-board card is described in each in the first draw-in groove, a plurality of LED lamps are connected by electric wire, and by the described input line that is wired to.
Preferably, described light element comprises: diffuser plate, is placed in the side that described supporting part is provided with described the first spacing rib; LGP, is placed in the different side of described diffuser plate and described supporting part; And reflective sheeting, be placed in the different side of described LGP and described diffuser plate.
Preferably, each edge of described reflective sheeting contacts with described light source assembly.
Preferably, described in each, the two ends of carrier rib are provided with breach, described cushion cap, described spacing rib and described main body form the second draw-in groove, described in each, the first frame is fixed a limited block with one end that described in another, the first frame is connected, described in each, limited block is provided with first end and the second end, described in each, a side of the first end of limited block is stuck in described in each in the second draw-in groove, described in each, the opposite side of the first end of limited block is stuck in indentation, there described in each, and LGP carries out spacing described in the two port of described limited block.
Preferably, described in each, the first frame is provided with one first through hole, and described in each, corner block is stuck in the first through hole of adjacent two described the first frames to connect the first adjacent frame.
Preferably, described in each, the first frame is provided with the first screwed hole with one end that described in another, the first frame is connected, described in each, limited block is provided with the second through hole adapting with described the first screwed hole, and a headless screw is locked at corner block described in each in described the first through hole through described the first screwed hole and described the second through hole.
Preferably, described in each, the first frame is provided with the second screwed hole, described in each, the projection of the second frame is provided with the third through-hole that a plurality of and described the second screwed hole adapts, a plurality of screws through a plurality of described the second screwed holes and third through-hole so that described the first frame and described the second frame fix.
Preferably, a different side with being provided with described positioning rib of described supporting part is provided with a plurality of radiating fins, is provided with a plurality of gas channels between a plurality of radiating fins.
Preferably, a different side with being provided with described supporting part of described main body is provided with a plurality of radiating fins, is provided with a plurality of gas channels between a plurality of radiating fins.
Panel light provided by the invention is the ultra-thin panel light of LED.The ultra-thin panel light of this LED is provided with location measure between circuit board and diffuser plate, is provided with spacing measure between LED and LGP, thereby a kind of ultra-thin panel light of long-life LED of ease of assembly is provided.
Accompanying drawing explanation
Fig. 1 shows the explosive view of panel light provided by the invention;
Fig. 2 shows the cut-away view of panel light provided by the invention;
Fig. 3 shows the side sectional view of panel light provided by the invention;
Fig. 4 shows the side sectional view of panel light provided by the invention; And
Fig. 5 shows the side sectional view of the first frame provided by the invention.
The specific embodiment
In order to further illustrate principle of the present invention and structure, existing by reference to the accompanying drawings to a preferred embodiment of the present invention will be described in detail.
Fig. 1 shows the explosive view of panel light provided by the invention.Panel light comprises a plurality of the first frames 10, a plurality of light source assembly 20, a plurality of corner block 30, light element, back shroud 50 and a plurality of the second frame 60.Light element comprises diffuser plate 40, LGP 41 and reflective sheeting 42.
In this enforcement, have in four the first frames 10, four light source assemblies 20, four corner block 30(figure and only illustrate three) and four the second frames 60.Each first frame 10 connects another first frame 10 by a corner block 30.Four the first frames 10 surround enclosed region.Each light source assembly 20 is fixedly connected with each first frame 10 towards a side of enclosed region.The diffuser plate 40 of light element, LGP 41 and the shape of reflective sheeting 42 and the shape of enclosed region adapt.One end of each the first frame 10 is provided with the supporting part 102 extending to enclosed region.Each edge of diffuser plate 40 is placed on the supporting part 102 of each the first frame 10.LGP 41 is placed in diffuser plate 40 side different with supporting part 102.Reflective sheeting 42 is placed in LGP 41 side different with described diffuser plate 40.Back shroud 50 is placed in reflective sheeting 42 side different with LGP 41.Each second frame 60 and each the first frame 10 are connected and fixed that light element and back shroud 50 are fixed between the first frame 10 and the second frame 60.
Further, panel light also comprises a plurality of limited blocks 31.A limited block 31 is fixed in one end that each first frame 10 is connected with another first frame 10.In the present embodiment, have 8 limited blocks (only illustrating six in figure).31 pairs of LGPs of limited block 41 carry out spacing.
In a preference, the second frame 60 is also provided with the protective ring 70 of input line 71 and protection input line 71.
Wherein, the light that light source assembly 20 sends is entered in LGP 41 by the side (incidence surface) of LGP 41, and is penetrated by the one side that is connected with supporting part 102 (exiting surface) of LGP 41.Reflective sheeting 42 correlation reflect to the light of the different one side of LGP 41 and exiting surface, make the exiting surface of light directive LGP 41.Diffuser plate 40 projects outside panel light the light being penetrated by LGP 41 more equably.
Fig. 2 shows the cut-away view of panel light provided by the invention.Panel light comprises a plurality of the first frames (referring to Fig. 1 Reference numeral 10), a plurality of light source assembly (referring to Fig. 1 Reference numeral 20), a plurality of corner block (referring to Fig. 1 Reference numeral 30), light element, back shroud (referring to Fig. 1 Reference numeral 50) and a plurality of the second frame (referring to Fig. 1 Reference numeral 60).Light element comprises diffuser plate (referring to Fig. 1 Reference numeral 40), LGP (referring to Fig. 1 Reference numeral 41) and reflective sheeting (referring to Fig. 1 Reference numeral 42).Each light source assembly comprises circuit board 21 and a plurality of LED lamp 22.A plurality of LED lamps are connected in series and are connected to input line (referring to Fig. 1 Reference numeral 71) by electric wire 72.
Each first frame and each the second frame connect by screw 80.In one end being connected of the first adjacent frame, be respectively fixed with shown in a limited block 31(figure two).Each limited block 31 is provided with a through hole, for a headless screw 81 and the locking of the first frame.
Fig. 3 shows the side sectional view of panel light provided by the invention.Panel light comprises a plurality of the first frames 10, a plurality of light source assembly (referring to Fig. 1 Reference numeral 20), a plurality of corner block (referring to Fig. 1 Reference numeral 30), light element, back shroud 50 and a plurality of the second frame 60.Each light source assembly comprises circuit board 21 and a plurality of LED lamp 22.Light element comprises diffuser plate 40, LGP 41 and reflective sheeting 42.For the annexation between each parts of panel light is better shown, this figure only illustrates the part side sectional view of panel light.More particularly, this figure only shows first frame 10, a light source assembly, a light element, a back shroud 50 and second frame 60.
The first frame 10 comprises a main body 101.One end of main body 101 is provided with supporting part 102.A side identical with main body 101 of supporting part 102 is provided with positioning rib 103.Positioning rib 103 forms the first draw-in groove 104 with main body.Main body 101 is provided with relative spacing rib 105 and carrier rib 108 in a upper side of positioning rib 103 bearing of trends.The side that spacing rib 105 is relative with carrier rib 108 is provided with cushion cap 106.Cushion cap 106, spacing rib 103 form the second draw-in groove 107 with main body 101.The first frame 10 is also provided with a through hole 113 and passes for corner block.
The second frame 60 is provided with the limiting section 601 of the enclosed region extension forming to the second frame 60 and other second frames 60.The side that the second frame 60 is relative with the first frame is provided with a projection 602.
Circuit board 21 is stuck in the first draw-in groove 104.And the side that circuit board 21 contacts with main body 101 is fixing by viscose 23.A plurality of LED lamps 22 are arranged on circuit board 21.Being placed on supporting part 102 and having positioning rib 103 location of diffuser plate 40.LGP 41 is placed in diffuser plate 40 side different with supporting part 102.Reflective sheeting 42 is placed in LGP 41 side different with described diffuser plate 40.The edge of reflective sheeting 42 contacts that with circuit board 21 light of all directive back shrouds is had to reflex.Back shroud 50 is placed in reflective sheeting 42 side different with LGP 41.Limited block 31 is provided with first end and the second end.Preferably, first end and the second end meet at right angles.The first end of limited block 31 is stuck in the second draw-in groove 107.The two port LGP 41 of limited block 31 carries out spacing to stop that LGP 41 moves towards light source assembly.The limiting section 601 of the second frame 60 is in back shroud and the different side of light element, and projection 602 is stuck between spacing rib 105, cushion cap 106 and carrier rib 108.Projection 602 is provided with a through hole.The first frame 10 is provided with a screwed hole.The position of the screwed hole on the through hole on projection 602 and the first frame 10 adapts.One screw 80 is also locked so that diffuser plate 40, LGP 41, reflective sheeting 42 and back shroud 50 are fixed between limiting section 601 and supporting part 102 through the through hole on projection 602 and the screwed hole on the first frame 10.
Fig. 4 shows the side sectional view of panel light provided by the invention.Panel light comprises a plurality of the first frames 10, a plurality of light source assembly (referring to Fig. 1 Reference numeral 20), a plurality of corner block 30, light element, back shroud 50 and a plurality of the second frame 60.Each light source assembly comprises circuit board 21 and a plurality of LED lamp (referring to Fig. 3 Reference numeral 22).Light element comprises diffuser plate 40, LGP 41 and reflective sheeting 42.For the annexation between each parts of panel light is better shown, this figure only illustrates the side sectional view of one end that the first frame 10 of panel light is connected with another first frame.More particularly, this figure only shows first frame 10, light source assembly, corner block 30, a light element, a back shroud 50 and second frame 60.
The first frame 10 comprises a main body 101.One end of main body 101 is provided with supporting part 102.A side identical with 101 main bodys 101 of supporting part 102 is provided with positioning rib 103.Positioning rib 103 forms the first draw-in groove 104 with main body.Main body 101 is provided with relative spacing rib 105 and carrier rib 108 in a upper side of positioning rib 103 bearing of trends.The side that spacing rib 105 is relative with carrier rib 108 is provided with cushion cap 106.The two ends of carrier rib 108 are provided with breach.Cushion cap 106, spacing rib 103 form the second draw-in groove 107 with main body 101.The first frame 10 is also provided with a through hole 113 and passes for corner block 30.
The second frame 60 is provided with the limiting section 601 of the enclosed region extension forming to the second frame 60 and other second frames 60.The side that the second frame 60 is relative with the first frame is provided with a projection 602.
Circuit board 21 is stuck in the first draw-in groove 104.A plurality of LED lamps are arranged on circuit board 21.Being placed on supporting part 102 and having positioning rib 103 location of diffuser plate 40.LGP 41 is placed in diffuser plate 40 side different with supporting part 102.Reflective sheeting 42 is placed in LGP 41 side different with described diffuser plate 40.The edge of reflective sheeting 42 contacts with circuit board 21.Back shroud 50 is placed in reflective sheeting 42 side different with LGP 41.A limited block 31 is fixed in one end that each first frame 10 is connected with another first frame.Limited block 31 is provided with first end and the second end.First end and the second end are angled.The first end of limited block 31 is stuck in the second draw-in groove 107.One side of the first end of each limited block 107 is stuck in the indentation, there of carrier rib 108.The other end of limited block 31 carries out spacing to LGP 41.The limiting section 601 of the second frame 60 is in back shroud and the different side of light element, and projection 602 is stuck between spacing rib 105, cushion cap 106 and carrier rib 108.The through hole 113 that many corner blocks 30 pass the first adjacent frame 10 is to be fixedly connected into an enclosed region by a plurality of the first frames 10.The first frame 10 is provided with a screwed hole and is connected to through hole 113.Limited block 31 is provided with a through hole.The position of the through hole of the screwed hole of the first frame 10 and limited block 31 adapts.One stud bolt 81 through the through hole of limited block 31 and the screwed hole of the first frame 10 with by corner block 30 fixing and lockings in the through hole 113 of the first frame 10.
Fig. 5 shows the side sectional view of the first frame provided by the invention.The first frame 10 comprises a main body 101.One end of main body 101 is provided with supporting part 102.A side identical with 101 main bodys 101 of supporting part 102 is provided with positioning rib 103.Positioning rib 103 forms the first draw-in groove 104 with main body.Main body 101 is provided with relative spacing rib 105 and carrier rib 108 in a upper side of positioning rib 103 bearing of trends.The side that spacing rib 105 is relative with carrier rib 108 is provided with cushion cap 106.Cushion cap 106, spacing rib 103 form the second draw-in groove 107 with main body 101.The first frame 10 is also provided with a through hole 113.Supporting part 102 be provided with radiating fin 11 with the different side of positioning rib 103, between radiating fin 111, form gas channel 112.A different side with being provided with supporting part 102 of main body 101 is provided with radiating fin 109, forms gas channel 110 between radiating fin 109.
The foregoing is only better possible embodiments of the present invention, not limit the scope of the invention, the equivalent structure that all utilizations description of the present invention and accompanying drawing content have been done changes, and is all included in protection scope of the present invention.

Claims (10)

1. a panel light, is characterized in that, comprising:
A plurality of the first frames, a plurality of described the first frames surround an enclosed region, described in each, the first frame comprises a main body, described in each, one end of main body is provided with the supporting part extending to described enclosed region, a side identical with described main body of described supporting part is provided with positioning rib, described positioning rib and described main body form the first draw-in groove, described main body is provided with relative spacing rib and carrier rib in a upper side of described positioning rib bearing of trend, and the side that described spacing rib is relative with described carrier rib is provided with cushion cap;
A plurality of corner blocks that connect a plurality of described the first frames;
A plurality of light source assemblies, are stuck in described in each in the first draw-in groove;
Light element, is placed in described supporting part and is provided with a side of described positioning rib and is located by described positioning rib;
Back shroud, is placed in the side different with described supporting part of described light element; And
Second frame relative with a plurality of described the first frames, a plurality of described the second frames surround an enclosed region, described in each, one end of the second frame is provided with the limiting section extending to described enclosed region, the side that described in each, the second frame is relative with described the first frame is provided with a projection, described limiting section is in described back shroud and the different side of described light element, described projection is stuck in described spacing rib, between described cushion cap and described carrier rib and and described the first frame be connected and fixed so that described light element and described back shroud are fixed between described limiting section and described supporting part.
2. panel light according to claim 1, it is characterized in that, described in each, light source assembly comprises a circuit board and a plurality of LED lamp, a plurality of described LED lamps are arranged on described in each on circuit board, described in each, circuit-board card is described in each in the first draw-in groove, a plurality of LED lamps are connected by electric wire, and by the described input line that is wired to.
3. panel light according to claim 1, is characterized in that, described light element comprises:
Diffuser plate, is placed in the side that described supporting part is provided with described the first spacing rib;
LGP, is placed in the different side of described diffuser plate and described supporting part; And
Reflective sheeting, is placed in the different side of described LGP and described diffuser plate.
4. panel light according to claim 3, is characterized in that, each edge of described reflective sheeting contacts with described light source assembly.
5. panel light according to claim 3, it is characterized in that, described in each, the two ends of carrier rib are provided with breach, described cushion cap, described spacing rib and described main body form the second draw-in groove, described in each, the first frame is fixed a limited block with one end that described in another, the first frame is connected, described in each, limited block is provided with first end and the second end, described in each, a side of the first end of limited block is stuck in described in each in the second draw-in groove, described in each, the opposite side of the first end of limited block is stuck in indentation, there described in each, and LGP carries out spacing described in the two port of described limited block.
6. panel light according to claim 5, is characterized in that, described in each, the first frame is provided with one first through hole, and described in each, corner block is stuck in the first through hole of adjacent two described the first frames to connect the first adjacent frame.
7. panel light according to claim 6, it is characterized in that, described in each, the first frame is provided with the first screwed hole with one end that described in another, the first frame is connected, described in each, limited block is provided with the second through hole adapting with described the first screwed hole, and a headless screw is locked at corner block described in each in described the first through hole through described the first screwed hole and described the second through hole.
8. panel light according to claim 1, it is characterized in that, described in each, the first frame is provided with the second screwed hole, described in each, the projection of the second frame is provided with the third through-hole that a plurality of and described the second screwed hole adapts, a plurality of screws through a plurality of described the second screwed holes and third through-hole so that described the first frame and described the second frame fix.
9. panel light according to claim 1, is characterized in that, a different side with being provided with described positioning rib of described supporting part is provided with a plurality of radiating fins, is provided with a plurality of gas channels between a plurality of radiating fins.
10. panel light according to claim 1, is characterized in that, a different side with being provided with described supporting part of described main body is provided with a plurality of radiating fins, is provided with a plurality of gas channels between a plurality of radiating fins.
CN201310203899.2A 2013-05-28 2013-05-28 Panel light Expired - Fee Related CN104180212B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201310203899.2A CN104180212B (en) 2013-05-28 2013-05-28 Panel light

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CN104180212A true CN104180212A (en) 2014-12-03
CN104180212B CN104180212B (en) 2016-08-31

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104848091A (en) * 2015-05-19 2015-08-19 毕节兴国实业有限公司 Light emitting diode panel lamp
CN105444066A (en) * 2015-11-24 2016-03-30 广东维克光电技术有限公司 Screw-free panel lamp of overlying structure
CN105650554A (en) * 2016-03-25 2016-06-08 安徽泽润光电有限公司 LED panel lamp and lamp bar installation structure thereof
CN106090648A (en) * 2016-07-29 2016-11-09 江苏欧惠达光电节能科技有限公司 Can efficient encapsulation and the LED panel lamp of heat radiation and method for packing thereof
CN108758468A (en) * 2018-07-16 2018-11-06 嘉兴市德益康光电科技有限公司 A kind of multi-functional embedded LED panel lamp
CN109373240A (en) * 2018-11-13 2019-02-22 中山市鑫海精密制造科技有限公司 A kind of flat lamp

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Publication number Priority date Publication date Assignee Title
EP1215735A1 (en) * 2000-12-13 2002-06-19 Chao-Chin Yeh Improved structure of lamp
CN201021764Y (en) * 2007-02-14 2008-02-13 姚志峰 A combined lighting source
DE202008016868U1 (en) * 2008-12-19 2009-03-19 Osram Gesellschaft mit beschränkter Haftung lamp
CN202253025U (en) * 2011-09-20 2012-05-30 深圳市奥拓光电科技有限公司 LED panel lamp
CN202733493U (en) * 2012-04-09 2013-02-13 上海博卡实业有限公司 Light-emitting diode (LED) panel light and framework mechanism thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1215735A1 (en) * 2000-12-13 2002-06-19 Chao-Chin Yeh Improved structure of lamp
CN201021764Y (en) * 2007-02-14 2008-02-13 姚志峰 A combined lighting source
DE202008016868U1 (en) * 2008-12-19 2009-03-19 Osram Gesellschaft mit beschränkter Haftung lamp
CN202253025U (en) * 2011-09-20 2012-05-30 深圳市奥拓光电科技有限公司 LED panel lamp
CN202733493U (en) * 2012-04-09 2013-02-13 上海博卡实业有限公司 Light-emitting diode (LED) panel light and framework mechanism thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104848091A (en) * 2015-05-19 2015-08-19 毕节兴国实业有限公司 Light emitting diode panel lamp
CN105444066A (en) * 2015-11-24 2016-03-30 广东维克光电技术有限公司 Screw-free panel lamp of overlying structure
CN105650554A (en) * 2016-03-25 2016-06-08 安徽泽润光电有限公司 LED panel lamp and lamp bar installation structure thereof
CN105650554B (en) * 2016-03-25 2017-12-05 安徽泽润光电有限公司 LED panel lamp and its lamp bar mounting structure
CN106090648A (en) * 2016-07-29 2016-11-09 江苏欧惠达光电节能科技有限公司 Can efficient encapsulation and the LED panel lamp of heat radiation and method for packing thereof
CN108758468A (en) * 2018-07-16 2018-11-06 嘉兴市德益康光电科技有限公司 A kind of multi-functional embedded LED panel lamp
CN108758468B (en) * 2018-07-16 2021-04-02 浙江德益康光电股份有限公司 Multifunctional embedded LED panel lamp
CN109373240A (en) * 2018-11-13 2019-02-22 中山市鑫海精密制造科技有限公司 A kind of flat lamp

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