CN202032330U - LED area light source - Google Patents
LED area light source Download PDFInfo
- Publication number
- CN202032330U CN202032330U CN2011200432562U CN201120043256U CN202032330U CN 202032330 U CN202032330 U CN 202032330U CN 2011200432562 U CN2011200432562 U CN 2011200432562U CN 201120043256 U CN201120043256 U CN 201120043256U CN 202032330 U CN202032330 U CN 202032330U
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- light
- led
- frame
- area source
- light source
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Abstract
An LED (light-emitting diode) area light source comprises a frame and a rear plate disposed on the frame to define an accommodating space with the frame; and is characterized in that: a first light dispersion board, a light guiding board, a second dispersion board and a reflection film are disposed successively from up down in the accommodating space defined by the frame and the rear plate; lamp strips are disposed on the side surfaces of the accommodating space; a plurality of LED luminescent elements are disposed on the LED lamp strips at the surfaces facing the light guiding board. The utility model adopts thin sheet type parts including the light dispersion boards, the light guiding board and the reflection film, thereby can reduce the volume and thickness of the LED area light source greatly; and adopts side light sources to guide the lights from the LED luminescent elements into plane light source by the light guiding board, then are mixed by the light dispersion boards, thereby achieves an area light source with more uniform and softer ejaculation light effect. The LED area light source can be produced by modularization, can be installed by simple steps; and increases production efficiency greatly.
Description
Technical field
The utility model relates to a kind of lighting and light source, particularly relates to a kind of LED area source.
Background technology
LED is as a kind of light emitting semiconductor device, have high efficiency, photochromic pure, light quality height, energy consumption is little, the life-span is long, the characteristics of illuminator points of proximity light source, it is the novel green light source of generally acknowledging in the world, traditional LED is mainly used in fields such as signal demonstration, building aviation obstruction beacon, navigation light, automobile signal light, instrument back lighting, and, nowadays in room lighting, Landscape Lighting, also use LED more and more along with the development of LED.
Because the restriction of the principle of luminosity of led light source, it mostly is spot light, and the long-time use of spot light causes discomforts such as dazzle easily, causes fatigue even causes eyesight to descend easilier.Therefore led light source is made into and is difficult for dizzyly, luminous evenly soft area source is a kind of trend that present LED uses.As the disclosed a kind of LED area source of Chinese patent 200610062089.X, comprise LED substrate and several LED that are installed on the LED substrate, the LED substrate is provided with a phosphor plate support around described LED substrate, described phosphor plate support has an outwardly open interior tapered reflecting surface, has reflectorized material on the reflecting surface, install one on the described phosphor plate support and cover described LED and with described LED the fluorescence shrouding of certain intervals is arranged, phosphor plate applies fluorescent material towards the one side of described LED.Phosphor plate adopts light transmissive material to make.The LED substrate adopts Heat Conduction Material to make.The LED substrate is fixed on the housing by means of Heat Conduction Material; this invention forms homogeneous light emitting area on phosphor plate, and sends evenly soft optical fiber, has avoided the generation of dazzle; thoroughly eliminate dazzling phenomenon, reached the effect of vision protection and elimination spot light.But the LED area source of said structure is a plane as the phosphor plate of luminous intensity distribution plate, whole covering on the substrate with LED, and has certain intervals with the generation of LED substrate, therefore the height and the volume of whole LED area source are bigger, and whole phosphor plate covers on the LED substrate, make between the LED area source and can not make up freely and arrange in pairs or groups, the whole LED area source can't carry out modularization production.
Summary of the invention
Technical problem to be solved in the utility model be provide a kind of compact conformation at above-mentioned prior art present situation, volume is less and emitting uniform LED area source.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of LED area source, comprise frame and be positioned at the back plate that frame top and frame form an accommodation space, it is characterized in that: be placed with first light diffusing sheet, LGP, second light diffusing sheet and reflectance coating successively from top to bottom in the accommodation space that described frame and back plate form, the lamp bar is arranged on the side of accommodation space, and described lamp bar is provided with a plurality of LED light-emitting components towards the face of described LGP.
Preferably, for the structure that makes this area source compact more small and exquisite, described frame surrounds into quadrilateral structure, the cross section of described frame is the L type, comprise side and the base vertical with described side, described lamp bar is affixed on the described side, and described first light diffusing sheet, LGP, second light diffusing sheet and reflectance coating place on the described base successively.
Preferably, the tetragonal structure of described lamp bar for being provided with around described LGP one circle.
In order to make this area source structural module, comprise that also a driver by being wired to described back plate, is connected to the back plate by many equally distributed lifting ropes around the described driver.
In order to prevent light leak, the side face of described first light diffusing sheet is provided with photo-shield strip.
For scattering mixed light better makes spot light convert area source to, described LGP is provided with scattering netted dot.
Compared with prior art, advantage of the present utility model is that this LED area source adopts thin plate-shaped member such as light diffusing sheet, LGP, reflectance coating, therefore the volume and the thickness of LED area source can reduce greatly, and employing sidelight source, the light that the LED light-emitting component is sent becomes behind the planar light source again by the light diffusing sheet mixed light by the LGP leaded light, makes that the emergent light of area source is more evenly soft.This LED area source can modularization production, and installation steps are simple, improved production efficiency greatly.
Description of drawings
Fig. 1 is the perspective view of the utility model LED area source.
Fig. 2 is the exploded view of the utility model LED area source.
Fig. 3 is the enlarged drawing of A part among Fig. 1.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
LED area source of the present utility model as Figure 1-3, comprises frame 10, lamp bar 20, the first light diffusing sheets 30, second light diffusing sheet, 50 LGPs 40, and reflectance coating 60 and back plate 70 and driver 80 are formed.
Described frame 10 is that a cross section is the framework of L type, and surround quadrangle, this frame 10 comprise side 11, with the side 11 vertical bases that extend internally 12, lamp bar 20 surrounds and frame 10 corresponding quadrangles, and is affixed on the described side 11 and is stuck on the described base 12.Post a circle LED light-emitting component on this lamp bar 20 on the inside face.Be provided with first light diffusing sheet 30, LGP 40, second light diffusing sheet 50, reflectance coating 60 on the base 12 of this frame 10 successively, be provided with a back plate 70 above the reflectance coating 60 and on the side 12 at frame, back plate 70 is fixed by screw and frame 10 reflectance coating, LGP, light diffusing sheet and lamp bar all is encapsulated in frame 10 and the back plate 70 formed accommodation spaces.Lamp bar 20 is positioned at the side all around of described accommodation space and centers on LGP 40 1 circles.This LED area source adopts thin plate-shaped member such as light diffusing sheet, LGP, reflectance coating, therefore the volume and the thickness of LED area source can reduce greatly, and employing sidelight source, the light that the LED light-emitting component is sent becomes behind the planar light source again by the light diffusing sheet mixed light by the LGP leaded light, makes that the emergent light of area source is more evenly soft.And in order to prevent light leak, the side face of described first light diffusing sheet 30 is provided with a circle photo-shield strip 31.And in order to convert spot light to area source better, described LGP 40 is provided with scattering netted dot.
Be connected to circuit in the driver 80 by parts such as electric wires on the back plate 70, and driver 80 is by the switch of the LED light-emitting component in this electric wire control lamp bar 20, be connected to the back plate by equally distributed many lifting ropes 90 around the driver 80, form the LED area source of a pendent lamp shape.Only driver 80 need be mounted on the roof, just can form a uniform LED area source pendent lamp structure.Certainly, the parts such as frame of this driver 80 and below also not necessarily are connected by lifting rope 90, and driver 80 also can directly place on the plate 70 of back, is covered on and forms area source on the wall.
This LED area source not only compact conformation, volume is less, and bright dipping is evenly gentle, the interference dazzle situation that a plurality of spot lights produce can not occur, can modularization production, and installation steps are simple, improved production efficiency greatly.
Claims (6)
1. LED area source, comprise frame (10) and be positioned at frame (10) top and the back plate (70) of frame (10) formation one accommodation space, it is characterized in that: be placed with first light diffusing sheet (30), LGP (40), second light diffusing sheet (50) and reflectance coating (60) successively from top to bottom in the accommodation space that described frame (10) and back plate (70) form, lamp bar (20) is arranged on the side of accommodation space, and this lamp bar (20) is provided with a plurality of LED light-emitting components towards the face of described LGP (40).
2. LED area source as claimed in claim 1, it is characterized in that: described frame (10) surrounds into quadrilateral structure, the cross section of described frame (10) is the L type, comprise side (11) and the base (12) vertical with described side (11), described lamp bar (20) is affixed on the described side (11), and described first light diffusing sheet (30), LGP (40), second light diffusing sheet (50) and reflectance coating (60) place on the described base (12) successively.
3. LED area source as claimed in claim 2 is characterized in that: the tetragonal structure of described lamp bar (20) for being provided with around described LGP (40) one circles.
4. as each described LED area source of claim 1-3, it is characterized in that: comprise that also a driver (80) by being wired to described back plate (70), is connected to back plate (70) by many equally distributed lifting ropes (90) around the described driver (80).
5. as each described LED area source of claim 1-3, it is characterized in that: the side face of described first light diffusing sheet (30) is provided with photo-shield strip (31).
6. as each described LED area source of claim 1-3, it is characterized in that: described LGP (40) is provided with scattering netted dot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200432562U CN202032330U (en) | 2011-02-18 | 2011-02-18 | LED area light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200432562U CN202032330U (en) | 2011-02-18 | 2011-02-18 | LED area light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202032330U true CN202032330U (en) | 2011-11-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200432562U Expired - Fee Related CN202032330U (en) | 2011-02-18 | 2011-02-18 | LED area light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202032330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107229175A (en) * | 2017-07-19 | 2017-10-03 | 芜湖市奥尔特光电科技有限公司 | A kind of portable inversion projecting apparatus |
-
2011
- 2011-02-18 CN CN2011200432562U patent/CN202032330U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107229175A (en) * | 2017-07-19 | 2017-10-03 | 芜湖市奥尔特光电科技有限公司 | A kind of portable inversion projecting apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20160218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |