CN103836444A - Led wall lamp - Google Patents
Led wall lamp Download PDFInfo
- Publication number
- CN103836444A CN103836444A CN201210479042.9A CN201210479042A CN103836444A CN 103836444 A CN103836444 A CN 103836444A CN 201210479042 A CN201210479042 A CN 201210479042A CN 103836444 A CN103836444 A CN 103836444A
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- front shell
- wall lamp
- led
- led wall
- transparent member
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- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
An LED wall lamp comprises a rear shell and a front shell assembly, wherein the rear shell is provided with an opening, locating holes and guide rails are arranged on the two opposite sides of the opening, and the locating holes are long and narrow holes; the front shell assembly is arranged at the opening of the rear shell, and can slide relative to the guide rails. The front shell assembly comprises a front shell, a transparent piece, LED light source structures and two threaded locating pieces, wherein the front shell is bent inwards to form an accommodation groove, and the transparent piece is fixedly connected with the front shell, covers the opening of the accommodation groove, and forms a light source cavity with the front shell; the LED light source structures are arranged in the accommodation groove of the front shell; the two threaded locating pieces penetrate through the two locating holes in the rear shell respectively, then are connected with the two opposite sides of the front shell in a threaded mode respectively, and can slide in the locating holes; the threaded locating pieces are locked, so that the front shell assembly is fixed relative to the rear shell, and the front shell assembly is located at a preset position. The LED wall lamp is simple and reliable in structure, operation for changing the illumination direction of the lamp is simple and convenient, subsequent maintenance of the LED wall lamp is facilitated, and practicability and maintenance efficiency of the LED wall lamp are improved.
Description
[technical field]
The present invention relates to a kind of illuminations, particularly relate to a kind of LED wall lamp.
[background technology]
LED wall lamp is a kind of lighting conventional in people's daily life, and it is mainly corridor, passageway and all kinds of narrow and small room illumination is provided.Because of the position difference of its installation, the position of its required illumination is not identical yet, and traditional wall lamp is an entirety, and it can only provide illumination to a certain predetermined direction, thereby makes troubles for the use of light fixture.
[summary of the invention]
In view of above-mentioned condition, be necessary to provide a kind of LED wall lamp of adjustable direction of illumination.
A kind of LED wall lamp, it comprises:
Back cover, has opening, and the relative both sides of described opening are provided with locating hole and guide rail, and described locating hole is long and narrow hole;
Front shell assemblies, is located at the opening of described back cover, and with respect to described guide rail slidably, described front shell assemblies comprises described front shell assemblies:
Fore shell, formation accepting groove curves inwardly;
Transparent member, is fixedly connected with described fore shell, and hides the opening of described accepting groove, and described transparent member and described fore shell form light-source chamber jointly;
LED light source structure, is located in the accepting groove of described fore shell;
Two screw thread keepers, be threaded with the relative both sides of described fore shell through after two locating holes of described back cover respectively, described screw thread keeper along in described locating hole slidably, by locking described screw thread keeper, described front shell assemblies is fixed up with respect to described back cover, thereby front shell assemblies is positioned to precalculated position;
Wherein, described front shell assemblies slides into described precalculated position along described guide rail, locates described front shell assemblies, thereby change the direction of illumination of described front shell assemblies by locking described screw thread keeper.
The front shell assemblies of above-mentioned LED wall lamp slidably to precalculated position, is located front shell assemblies by locking screw keeper along guide rail, thereby changes the direction of illumination of front shell assemblies.And, in the time that front shell assemblies is removed completely from the opening part of back cover, can the element of back cover be installed or be overhauled.Therefore, above-mentioned LED wall lamp structure is simple, reliable, changes light fixture direction of illumination simple, convenient, and is convenient to the follow-up maintenance of LED wall lamp, thereby improves practicality and the maintenance efficiency thereof of LED wall lamp.
In an embodiment, described fore shell comprises substrate and two connecting plates therein; Described two connecting plates connect with the relative dual-side of described substrate respectively, and the angle that described connecting plate and described substrate form is obtuse angle; The relative both sides of described transparent member are connected with described two connecting plates respectively.
Therein in an embodiment, the edge of described connecting plate is provided with the flange of basic vertical bending, described flange is provided with draw-in groove, and the relative both sides of described transparent member fasten with the draw-in groove of described two flanges respectively, thereby described transparent member and described fore shell are removably coupled together.
Therein in an embodiment, described transparent member is bending curved rectangular slab, and the concave surface of described transparent member is exiting surface, and convex surface is incidence surface.
Therein in an embodiment, described LED light source structure is two, each described LED light source structure comprises LED substrate and is located at the multiple LED that are arranged in array on described LED substrate, and wherein, the LED substrate of described two LED light source structures is close to respectively described two connecting plate settings.
In an embodiment, the back side of described two connecting plates and described substrate is provided with the radiating fin that multiple spaces arrange therein, and described multiple radiating fins are along the length direction setting of described two connecting plates and described substrate.
In an embodiment, the inner surface of described fore shell is reflecting surface therein, and the middle part of described substrate is provided with reflection protrusion.
Therein in an embodiment, described back cover comprises the side plate of L shaped base plate and two right angled triangles, described two side plates are fixedly connected with the two ends of described base plate respectively, make the common right-angle prismatic cylindrical shell that forms a side opening of described two side plates and described base plate, described locating hole is located on described side plate.
Therein in an embodiment, described guide rail is the convex edge of extending towards the interior lateral buckling of described side plate from the edge of described side plate, described front shell assemblies also comprises two cover plates, described two cover plates are fixedly connected with the relative both sides of described fore shell, and sealing the opening forming between described fore shell and described transparent member, described cover plate is along described guide rail slidably.
In an embodiment, described cover plate is crescent plate body therein, and described guide rail is convexly curved, and described locating hole is arcuate socket; In the time that described cover plate slides along described guide rail, change the angle of inclination of described front shell assemblies with respect to described back cover.
[brief description of the drawings]
Fig. 1 is the stereogram of the LED wall lamp of embodiment of the present invention;
Fig. 2 is the exploded view of LED wall lamp shown in Fig. 1;
Fig. 3 is the stereogram of the housing of LED wall lamp shown in Fig. 1;
Fig. 4 is the stereogram of the front shell assemblies of LED wall lamp shown in Fig. 1;
Fig. 5 is the stereogram of the cover plate of the front shell assemblies of LED wall lamp shown in Fig. 1;
Fig. 6 is the state diagram of the adjusting direction of illumination of LED wall lamp shown in Fig. 1.
[detailed description of the invention]
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing, provide preferred embodiment of the present invention.But the present invention can realize in many different forms, be not limited to embodiment described herein.On the contrary, providing the object of these embodiment is to make to the understanding of disclosure of the present invention more thoroughly comprehensively.
It should be noted that, when element is called as " being fixed on " another element, it can be directly on another element or also can have an element placed in the middle.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology that use are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.The term using in description of the present invention herein, just in order to describe the object of specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Refer to Fig. 1, the LED wall lamp 100 of embodiment of the present invention, comprises back cover 110, front shell assemblies 120 and screw thread keeper 130.Front shell assemblies 120 with respect to back cover 110 slidably so that regulate the direction of illumination of LED wall lamp 100.Screw thread keeper 130 is for locating front shell assemblies 120, thereby makes front shell assemblies 120 slide into precalculated position with respect to back cover 110 and be fixed up.
Refer to Fig. 3, back cover 110 has opening 111, and the relative both sides of the opening 111 of back cover 110 are provided with locating hole 112 and guide rail 113.Locating hole 112 is long and narrow hole.Specifically in the illustrated embodiment, back cover 110 comprises the side plate 115 of L shaped base plate 114 and two right angled triangles, two side plates 115 are fixedly connected with the two ends of base plate 114 respectively, make two side plates 115 and the common right-angle prismatic cylindrical shell that forms a side opening of base plate 114, locating hole 112 is located on side plate 115.Certainly, in the present invention, back cover 110 also can be the structure of other shapes, is not limited to be made up of the side plate 115 of L shaped base plate 114 and two right angled triangles.Because back cover 110 adopts L shaped base plate 114, in the time that LED wall lamp 100 is installed, L shaped base plate 114 can be installed in the right angle at indoor top, its installation is comparatively stable, and make front shell assemblies 120 just be tilted to lower setting, thereby there is good irradiating angle.
Further, guide rail 113 is the convex edge of extending towards the interior lateral buckling of side plate 115 from the edge of side plate 115.Certainly, in the present invention, guide rail 113 is not limited to the convex edge of side plate 115, also can be other structures, for example, guide rail 113 can be the guide post arranging along side plate 115 edges of back cover 110, in front shell assemblies 120, correspondence is provided with the sliding sleeve being sheathed on guide post, and sliding sleeve along guide post slidably.
Refer to Fig. 2 and Fig. 4, front shell assemblies 120 is located at the opening 111 of back cover 110, and front shell assemblies 120 with respect to the guide rail 113 of back cover 110 slidably.Front shell assemblies 120 comprises fore shell 121, transparent member 123 and LED light source structure 125.Fore shell 121 and the common light-source chamber (figure is mark not) that forms of transparent member 123, LED light source structure 125 is contained in light-source chamber.
The fore shell 121 formation accepting groove that curves inwardly.Specifically in the illustrated embodiment, fore shell 121 comprises substrate 121a and two connecting plate 121b.Two connecting plate 121b connect with the relative dual-side of substrate 121a respectively, and the angle that connecting plate 121b and substrate 121a form is obtuse angle.
It should be noted that, the structure of fore shell 121 is not limited to said structure, also can be the structure of other shapes, for example, specifically in other embodiments, fore shell 121 comprises two V shaped slabs and two connecting plates, and the angle of each V shaped slab is obtuse angle, and the adjacent side of two V shaped slabs is connected, to form W type structure.Two connecting plates are connected with the opposite side of two V shaped slabs respectively.Because two V shaped slabs are connected to form W type structure, the light of launching evenly to spread LED light source structure 125, thus make 100 bright dippings of LED wall lamp comparatively even.
Further, in order to improve the utilization rate of emission of light of LED light source structure 125, the inner surface of fore shell 121 is reflective surface.For example, apply one deck reflector layer at the inner surface of fore shell 121, or fore shell 121 is made up of the higher sheet material of reflecting rate.The light that LED light source structure 125 is launched, after the internal surface reflection of fore shell 121, sees through transparent member 123 and penetrates.
Further, in order to make 100 bright dippings of LED wall lamp comparatively even, the middle part of substrate 121a is provided with reflection protrusion 121c.Reflection protrusion 121c can be V-arrangement projection, semi-cylindrical hill, sawtooth projection etc.Specifically in the illustrated embodiment, reflection protrusion 121c is semi-cylindrical hill.
Further, in order to improve the radiating efficiency of LED wall lamp 100, the back side of two connecting plate 121b and substrate 121a is provided with the radiating fin 121d that multiple spaces arrange, and multiple radiating fin 121d are along the length direction setting of two connecting plate 121b and substrate 121a.By at the back side of fore shell 121, radiating fin 121d being set, to increase the area of dissipation of fore shell 121, improve the radiating efficiency of fore shell 121.
Further, the edge of connecting plate 121b is provided with the flange 121e of basic vertical bending, flange 121e is provided with draw-in groove 121f, and the relative both sides of transparent member 123 fasten with the draw-in groove 121f of two flange 121e respectively, thereby transparent member 123 and fore shell 121 are removably coupled together.In the time that needs are changed LED light source structure 125, in the draw-in groove 121f of fore shell 121, extract transparent member 123 out.In the time that needs are installed transparent member 123, again the relative dual-side of transparent member 123 is slipped into along the draw-in groove 121f on two flange 121e of fore shell 121, thereby transparent member 123 is held on fore shell 121.Therefore,, while safeguarding front shell assemblies 120, without by specific purpose tool, operate more for convenience.
It should be noted that, the fixed form of transparent member 123 can be also other modes, for example, adopt screw that transparent member 123 is fixed on fore shell 121, or the structure that adopts grab and draw-in groove to fasten is fastened on transparent member 123 on fore shell 121.
Further, transparent member 123 is bending curved rectangular slab, and the concave surface of transparent member 123 is exiting surface, and convex surface is incidence surface.Because transparent member 123 is arc, the protuberance of its arc is corresponding with LED light source structure 125, makes transparent member 123 can further spread the light that LED light source structure 125 is launched, thereby makes the bright dipping of LED wall lamp 100 more even.At this, the Main Function of transparent member 123 has: the one, play the effect of the accepting groove that hides fore shell 121, and the 2nd, play the effect of diffuser plate.
Further, the side of the opening 111 of back cover 110 is provided with the curved edge corresponding with the edge of transparent member 123, concrete, and the hypotenuse of the side plate 115 of the right angled triangle of back cover 110 is arc.Opening 111 edges of back cover 110 coordinate completely with the shape at the edge of transparent member 123.
LED light source structure 125 is located in the accepting groove of fore shell 121.Specifically in the illustrated embodiment, LED light source structure 125 is two, each LED light source structure 125 comprises LED substrate and is located at the multiple LED that are arranged in array on LED substrate, and wherein, the LED substrate of two LED light source structures is close to respectively two connecting plate 121b and is arranged.
Screw thread keeper 130 is two, after two locating holes 112 through back cover 110, be threaded with the relative both sides of fore shell 121 respectively, screw thread keeper 130 along in locating hole 112 slidably, by locking screw keeper 130, front shell assemblies 120 is fixed up with respect to back cover 110, thereby front shell assemblies 120 is positioned to precalculated position.Wherein, front shell assemblies 120 slides into precalculated position along guide rail 113, locates front shell assemblies 120 by locking screw keeper 130, thereby changes the direction of illumination of front shell assemblies 120.
See also Fig. 5, further, for the ease of front shell assemblies 120 with respect to the guide rail 113 of back cover 110 slidably, front shell assemblies 120 also comprises two cover plates 127, two cover plates 127 are fixedly connected with the relative both sides of fore shell 121, and sealing the opening forming between fore shell 121 and transparent member 123, cover plate 127 is along guide rail 113 slidably.Owing to having adopted cover plate 127 to slide with respect to the guide rail 113 of back cover 110, avoid transparent member 123 slide and scratched with respect to the guide rail 113 of back cover 110, thereby affect the normal illumination of LED wall lamp 100.
Further, cover plate 127 is crescent plate body, and guide rail 113 is convexly curved, and locating hole 112 is arcuate socket; In the time that cover plate 127 slides along guide rail 113, change the angle of inclination of front shell assemblies 120 with respect to back cover 110.Due to cover plate 127 and the even round and smooth arcuate structure of guide rail 113, make cover plate 127 less with respect to guide rail 113 frictional force, change the angle of inclination of front shell assemblies 120 with respect to back cover 110 simultaneously, thereby make the adjustable range of irradiating angle of LED wall lamp 100 larger.
It should be noted that, in the present invention, front shell assemblies 120 is not limited to adopt cover plate 127 to slide, and also can, by other structures, for example, can be provided with slip boss in the relative both sides of fore shell 121, and this slip boss along the guide rail 113 of back cover 110 slidably.
Further, LED light fixture also comprises driver module 140, and driver module 140 is fixed in back cover 110, and for driving LED light-source structure 125.
See also Fig. 6, the irradiating angle Principles of Regulation of above-mentioned LED wall lamp 100 are: LED wall lamp 100 is mainly made up of back cover 110 and front shell assemblies 120, the positions such as the installation of LED wall lamp 100 and wiring interface, driving are installed in the back cover 110 of LED wall lamp 100, and front shell assemblies 120 is mainly equipped with the housing 110 of LED light source structure 125, transparent member 123 and heat radiation etc.Front shell assemblies 120 coordinates with the guide rail 113 on back cover 110 by cover plate 127, and the screw thread keeper 130 that makes to be fixed in front shell assemblies 120 coordinates with the locating hole 112 on back cover 110, front shell assemblies 120 is moved in the enterprising line slip of back cover 110, thereby change the direction of illumination of LED wall lamp 100.
The installation method of above-mentioned LED wall lamp 100, comprise the steps: first, by the driver module of LED wall lamp 100 140 and other install, wiring annex is installed in the inner chamber of back cover 110, again LED light source structure 125, transparent member 123 etc. in the front shell assemblies of LED wall lamp 100 120 are encased on fore shell 121, again screw is passed through to the screw on two side cover plates 127, be locked on the screw of fore shell 121, thereby make 120 one-tenth of front shell assemblies as a whole.Finally front shell assemblies 120 square guide rail 113 from back cover 110 is slipped in the inner chamber of back cover 110, then be threaded with front shell assemblies 120 through the locating hole 112 of back cover 110 with screw thread keeper 130, and front shell assemblies 120 is locked and is integrated with back cover 110.In the time need to changing the direction of illumination of LED wall lamp 100, after only screw thread keeper 130 need to being unclamped, front shell assemblies 120 is moved to the position needing, then screw thread keeper 130 is locked.
The front shell assemblies 120 of above-mentioned LED wall lamp 100 slidably to precalculated position, is located front shell assemblies 120 by locking screw keeper 130 along guide rail 113, thereby changes the direction of illumination of front shell assemblies 120.And, in the time that front shell assemblies 120 is removed completely from the opening 111 of back cover 110, can the element in back cover 110 be installed or be overhauled.Therefore, above-mentioned LED wall lamp 100 is simple in structure, reliable, changes light fixture direction of illumination simple, convenient, and is convenient to the follow-up maintenance of LED wall lamp 100, thereby improves practicality and the maintenance efficiency thereof of LED wall lamp 100.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of 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.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a LED wall lamp, is characterized in that, comprising:
Back cover, has opening, and the relative both sides of described opening are provided with locating hole and guide rail, and described locating hole is long and narrow hole;
Front shell assemblies, is located at the opening of described back cover, and with respect to described guide rail slidably, described front shell assemblies comprises described front shell assemblies:
Fore shell, formation accepting groove curves inwardly;
Transparent member, is fixedly connected with described fore shell, and hides the opening of described accepting groove, and described transparent member and described fore shell form light-source chamber jointly;
LED light source structure, is located in the accepting groove of described fore shell;
Two screw thread keepers, be threaded with the relative both sides of described fore shell through after two locating holes of described back cover respectively, described screw thread keeper along in described locating hole slidably, by locking described screw thread keeper, described front shell assemblies is fixed up with respect to described back cover, thereby front shell assemblies is positioned to precalculated position;
Wherein, described front shell assemblies slides into described precalculated position along described guide rail, locates described front shell assemblies, thereby change the direction of illumination of described front shell assemblies by locking described screw thread keeper.
2. LED wall lamp as claimed in claim 1, is characterized in that, described fore shell comprises substrate and two connecting plates; Described two connecting plates connect with the relative dual-side of described substrate respectively, and the angle that described connecting plate and described substrate form is obtuse angle; The relative both sides of described transparent member are connected with described two connecting plates respectively.
3. LED wall lamp as claimed in claim 2, it is characterized in that, the edge of described connecting plate is provided with the flange of basic vertical bending, described flange is provided with draw-in groove, the relative both sides of described transparent member fasten with the draw-in groove of described two flanges respectively, thereby described transparent member and described fore shell are removably coupled together.
4. LED wall lamp as claimed in claim 3, is characterized in that, described transparent member is bending curved rectangular slab, and the concave surface of described transparent member is exiting surface, and convex surface is incidence surface.
5. LED wall lamp as claimed in claim 2, it is characterized in that, described LED light source structure is two, each described LED light source structure comprises LED substrate and is located at the multiple LED that are arranged in array on described LED substrate, wherein, the LED substrate of described two LED light source structures is close to respectively described two connecting plate settings.
6. LED wall lamp as claimed in claim 2, is characterized in that, the back side of described two connecting plates and described substrate is provided with the radiating fin that multiple spaces arrange, and described multiple radiating fins are along the length direction setting of described two connecting plates and described substrate.
7. LED wall lamp as claimed in claim 2, is characterized in that, the inner surface of described fore shell is reflecting surface, and the middle part of described substrate is provided with reflection protrusion.
8. LED wall lamp as claimed in claim 1, it is characterized in that, described back cover comprises the side plate of L shaped base plate and two right angled triangles, described two side plates are fixedly connected with the two ends of described base plate respectively, make the common right-angle prismatic cylindrical shell that forms a side opening of described two side plates and described base plate, described locating hole is located on described side plate.
9. LED wall lamp as claimed in claim 8, it is characterized in that, described guide rail is the convex edge of extending towards the interior lateral buckling of described side plate from the edge of described side plate, described front shell assemblies also comprises two cover plates, described two cover plates are fixedly connected with the relative both sides of described fore shell, and sealing the opening forming between described fore shell and described transparent member, described cover plate is along described guide rail slidably.
10. LED wall lamp as claimed in claim 9, is characterized in that, described cover plate is crescent plate body, and described guide rail is convexly curved, and described locating hole is arcuate socket; In the time that described cover plate slides along described guide rail, change the angle of inclination of described front shell assemblies with respect to described back cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210479042.9A CN103836444B (en) | 2012-11-22 | 2012-11-22 | Led wall lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210479042.9A CN103836444B (en) | 2012-11-22 | 2012-11-22 | Led wall lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103836444A true CN103836444A (en) | 2014-06-04 |
| CN103836444B CN103836444B (en) | 2017-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210479042.9A Active CN103836444B (en) | 2012-11-22 | 2012-11-22 | Led wall lamp |
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| Country | Link |
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| CN (1) | CN103836444B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107926832A (en) * | 2017-10-25 | 2018-04-20 | 湖北海洋工程装备研究院有限公司 | A kind of underwater lamp and carriage |
| CN109140307A (en) * | 2018-09-10 | 2019-01-04 | 葛成燕 | A kind of LED wall lamp |
| CN109378645A (en) * | 2018-11-27 | 2019-02-22 | 华研科技（大连）有限公司 | A kind of the light output device and method of computer |
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| CN202253008U (en) * | 2011-09-13 | 2012-05-30 | 苏州益而益光电有限公司 | Led illuminating lamp |
| CN202338801U (en) * | 2011-11-21 | 2012-07-18 | 广州都盛机电有限公司 | Lamp with adjustable reflecting shade |
| CN202371589U (en) * | 2011-12-26 | 2012-08-08 | 伊雷克电器（宁波）有限公司 | LED (Light Emitting Diode) wall lamp |
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| US20050117333A1 (en) * | 2002-06-05 | 2005-06-02 | Yoshida Michael K. | Indirector light fixture |
| WO2010029425A2 (en) * | 2008-09-12 | 2010-03-18 | Chanan Gardi | Supporting structure for a light source |
| KR20100012088U (en) * | 2009-06-02 | 2010-12-10 | (주)디케이인터내셔널 | Supporting bracket for illuminator device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107926832A (en) * | 2017-10-25 | 2018-04-20 | 湖北海洋工程装备研究院有限公司 | A kind of underwater lamp and carriage |
| CN109140307A (en) * | 2018-09-10 | 2019-01-04 | 葛成燕 | A kind of LED wall lamp |
| CN109140307B (en) * | 2018-09-10 | 2020-12-04 | 临沂文衡信息技术有限公司 | LED wall lamp |
| CN109378645A (en) * | 2018-11-27 | 2019-02-22 | 华研科技（大连）有限公司 | A kind of the light output device and method of computer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103836444B (en) | 2017-09-15 |
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