CN201407553Y - LED lighting device - Google Patents
LED lighting device Download PDFInfo
- Publication number
- CN201407553Y CN201407553Y CN2009200549634U CN200920054963U CN201407553Y CN 201407553 Y CN201407553 Y CN 201407553Y CN 2009200549634 U CN2009200549634 U CN 2009200549634U CN 200920054963 U CN200920054963 U CN 200920054963U CN 201407553 Y CN201407553 Y CN 201407553Y
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- Prior art keywords
- light
- led
- light source
- nanometer
- reflector layer
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- 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.)
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- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 4
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- 238000000034 method Methods 0.000 description 2
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- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 229920005479 Lucite® Polymers 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a LED lighting device which comprises a frame body, a plurality of LED light source boards, a drive power source and a light guide component, wherein the frame body is of ahollow structure, and a clamping groove and an inner side opening are formed on the inner side of the frame body; the LED light source boards are arranged on the inner side of the frame body, and a plurality of LED lamps are arranged on the LED light source boards; the drive power source supplies power for the LED lamps arranged on the LED light source boards; the light guide component is of a non-planar light guide structure, comprises a nanometer light guide body, a light reflecting layer and a uniform light layer, and is arranged inside the frame body, wherein the uniform light layer is adjacent to the light emitting surface of the nanometer light guide body, and the light reflecting layer is adjacent to the bottom surface of the nanometer light guide body. LED light rays on the LED light source boards are reflected, refracted and scattered by the light guide component and uniform surface light is finally led out through mixing uniform light, so that the purpose of converting a LEDpoint light source into a surface light source is realized, thereby achieving the illumination effect of the glare-free and uniform surface light with soft light rays and improving the light emittingefficiency.
Description
Technical field
The utility model relates to lighting field, relates in particular to a kind of LED lighting device.
Background technology
Along with LED (Light Emitting Diode, light emitting diode) technical development, the brightness of LED is more and more higher, and price is more and more lower, can satisfy the requirement of conventional illumination, but, LED is a kind of spot light, has certain luminous angle usually, and its center brightness is very high, what therefore, it at first will solve as conventional illuminating product is the too dazzling difficult problem of LED light.Fig. 1 discloses a kind of modification method of LED surface light source for Chinese invention patent ZL02102476.6, its purpose of design is that the LED light that place the side is yearned for from the side of LGP behind the concentrated light of side rhombus lens again, and, see through diffusion sheet and rhombus lens at last and produce planar light source through all light processing on LGP surface and the light reflection in reflecting layer.The main goal of the invention of this patent is the backlight that is used for LCD (LCD), yet, this patent has just been pointed out a kind of method with side direction turn light rays front area source, but when being used for conventional the illumination, need to solve the problem and the efficiency of transmission of the light uniformity, be after side direction LED light enters LGP, a part directly injects to exiting surface, part directive bottom surface is reflected out, and the main light of LED (the direct projection light at LED center) be in LGP, move on and more and more a little less than, therefore can be brighter near led section, away from led section will darkness deepens, and how this patent not prompting derives the direct projection light of LED to greatest extent from exiting surface, therefore do not solve the problem of efficiency of transmission.
Fig. 2 is a kind of area source that is used to throw light on that is made of curved-surface reflection side and LGP for Chinese invention patent ZL200610161133.2 discloses, its purpose of design is that the LED light that place the side is injected from the side of LGP, and the reflecting surface through a concave surface similar aggtegation opposite with light direction is set produces light and converges in the LGP front, to improve brightness of illumination.Yet, the method that this patent has also just pointed out a kind of derivation that improves bottom direction light promptly only to provide bright a part of LED of directive bottom surface to be reflected out and to assemble, how this patent derives the direct projection light of LED to greatest extent from exiting surface if also not having to disclose, therefore also do not solve the problem of efficiency of transmission.
The utility model content
In view of above-mentioned existing in prior technology problem, the utility model embodiment provides a kind of LED lighting device, realizes side direction mounted LEDs point light with LGP leaded light, reflective, mixed light, even light and from the face light effect of front derivation.
In order to address the above problem, the utility model is executed example a kind of LED lighting device is provided, and comprising:
One framework is hollow structure, and side is provided with draw-in groove and interior side opening within it;
A plurality of LED light source boards are arranged at described framework inboard, and described led light source plate is provided with a plurality of LED lamps;
One driving power is for the LED lamp that is provided with on the described led light source plate provides power supply;
One leaded light component is arranged at described framework inside, is the non-planar light guide structure, comprises nanometer light conductor, reflector layer and even photosphere, and the exiting surface of described even photosphere and described nanometer light conductor is adjacent, and the bottom surface of described reflector layer and described nanometer light conductor is adjacent.
Implement the utility model embodiment, have following beneficial effect: by leaded light component with the LED light on the led light source plate reflect, refraction, scattering and even light finally mix derives the face of uniformity light, realize that the LED spot light converts the purpose of area source to, reached the face optical illumination effect of the soft free from glare of light, uniformity, improve light extraction efficiency, embody energy-conservation, the feature of long life of LED illuminating product.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a LED area source structure chart of the prior art;
Fig. 2 is another LED area source structure chart of the prior art;
Fig. 3 is the exploded view of a kind of LED lighting device of the utility model;
Fig. 4 is the front view of a kind of LED lighting device of the utility model;
Fig. 5 is the cross sectional view of a kind of LED lighting device of the utility model;
Fig. 6 is the cross section zoomed-in view of a kind of LED lighting device of the utility model.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 3, Fig. 4, Fig. 5 and Fig. 6, Fig. 3 is the exploded view of a kind of LED lighting device of the utility model, and Fig. 4 is the front view of a kind of LED lighting device of the utility model.Fig. 3 and Fig. 4 disclose a kind of LED lighting device of the present utility model, and this device profile is square, triangle, polygon, circle, ellipse or other contour structures, are used for the illumination of indoor conventional illumination or other commercial uses, and described device comprises:
Concrete, described framework 1 is a hollow structure, and preferential selection is made by aluminium type material, and side is provided with draw-in groove that holds led light source plate 2 and the interior side opening that holds leaded light component 4 within it.
Led light source plate 2 is arranged at described framework 1 inboard, and described led light source plate is provided with a plurality of LED lamps;
Concrete, described led light source plate 2 is arranged on the inboard of described framework 1, if under the situation of small-sized leaded light area, because its light output route is short, only the LED lamp with both sides can obtain suitable brightness, if under the situation of large-scale leaded light area,, need around framework 1, arrange that all the LED lamp just can obtain suitable brightness because its light output route is longer.Led light source plate 2 can be arranged on one or more circuit board in conjunction with even linearity at interval by a plurality of series connection of LED lamp or connection in series-parallel below 1 watt or 1 watt, in the middle of practical operation, the general multi-string LED lamp that adopts, this LED lamp is pin type LED lamp or surface attaching type LED lamp or direct packaged LED lamp, preferably adopting surperficial subsides type power is the LED of 0.2W, because such LED power is little, so in the middle of practical operation, can adopt the LED lamp of a greater number.Again because the lighting angle of the LED lamp of this type (refers to that its brightness center is to the angle between the half intensity, left and right sides angle this and) the industry common-use size be 120 the degree, colour mixture is effective, stable, can make the brightness of LED lamp higher, and service life is longer than general LED lamp.
Concrete, described driving power 3 is the power supply that the constant voltage work or the constant current work of the LED lamp on the led light source plate 2 were changed and offered to our usual said civil power with alternating current, also direct current directly can be offered the LED lamp work on the led light source plate 2.
Leaded light component 4, be arranged at described framework 1 inside, be the non-planar light guide structure, comprise nanometer light conductor 41, reflector layer 42 and even photosphere 43, described even photosphere 43 is adjacent with the exiting surface of described nanometer light conductor 41, and described reflector layer 42 is adjacent with the bottom surface of described nanometer light conductor 41;
Concrete, described leaded light component 4 is arranged on described framework 1 inside, is embedded in the described framework 1 by the described framework 1 inboard opening integral body that is provided with, and the LED lamp exiting surface of its side and led light source plate 2 is adjacent.Leaded light component 4 comprises nanometer light conductor 41, reflector layer 42 and even photosphere 43, be the non-planar light guide structure, at least the bottom surface of nanometer light conductor 41 and reflector layer 42 are nonplanar structure, this non-planar structure is mountain type structure or sphere ridge structure herein, in order to obtain light output more uniformly, if under the situation of small-sized leaded light area, can select mountain type structure for use or fall " V " type structure, if under the situation of large-scale leaded light area, preferably select mountain type structure or curved surface ridge structure for use.Described nanometer light conductor 41 adopts and add the transparent or semitransparent lucite (PolymethylMethacrylate that the nanoscale micro mist forms in transparent base, PMMA) plastic plate is made, utilize its nanoscale micro mist with the LED light on the led light source plate 2 reflect, scattering and derivation, described nanoscale micro mist is ultra-fine barium sulfate, titanium dioxide or similar material.Described reflector layer 42 is for directly forming in nanometer light conductor bottom surface, or for being arranged on another sheet material under the nanometer light conductor bottom surface, it forms near nanometer light conductor 41 bottom surface sides, the non-planar structure of described reflector layer 41 can be the smooth type surface, strengthen the reflecting effect of reflector layer 41, also can be the rough type surface, make light increase the uniformity of overall light to a plurality of direction scatterings, reflection through reflector layer 41.Described even photosphere 43 adopts the translucent lacteous plastic plate that adds the formation of nanoscale micro mist in transparent base to make, utilize its nanoscale micro mist with the LED light on the led light source plate 2 reflect, scattering and derivation, described nanoscale micro mist is ultra-fine barium sulfate, titanium dioxide or similar material, also can make by plastic plate transparent but that have a ridge design surface, by its ridge design surface the light of the LED lamp on the led light source plate can be reflected, scattering and derivation.After LED light on the led light source plate 2 incides nanometer light conductor 41, the meeting direct projection of former this part is stopped that by reflector layer 42 in the on-plane surface light guide structure can not be mapped to the opposite is wasted to the light on opposite, but produced the even photosphere 43 final face light that mix and derive uniformity of more reflection, refraction, scattering and warp, thereby improved the efficiency of transmission of light by its on-plane surface light guide structure.
Referring to Fig. 5 and Fig. 6, Fig. 5 is the cross sectional view of a kind of LED lighting device of the utility model, Fig. 6 is the cross section zoomed-in view of a kind of LED lighting device of the utility model, LED21 light on the described led light source plate 2 enters the nanometer light conductor 41 in the leaded light component 4 from the side, nanometer light conductor 41 spreads and conducts it, wherein the light of upside is turned back in the nanometer light conductor 41 by framework 1 inner reflection in framework 1, the upside light that exceeds framework 1 spreads once more via even photosphere 43, derive from the front after refraction and the scattering, downside light reenters through reflector layer 42 reflection post deflections and is mapped in the nanometer light conductor 41, though direct projection light is through the refraction of nanometer light conductor 41, scattering etc., but light is still roughly kept the direct projection direction and is moved on, when running into on-plane surface reflector layer 43, roughly entered into nanometer light conductor 41 once more along the angle of reflection reflection, through 41 refractions of nanometer light conductor, after scattering and even photosphere 43 mix once more, derive from the front, so just reach the purpose that to greatest extent the LED light of side is derived from the front.In addition, reach the effect of uniformity for the light that makes the LED lamp, the height h of non-planar light guide structure projection or protuberance, preferred sizes is greater than half of the height of leaded light component 4 but less than the height of leaded light component 4, because if too high words then side light are reflected away too early, cause the insufficient light at protuberance center, will be mapped to the opposite if cross light low then the direct projection part, cause light waste, the light that can cause the protuberance center equally not in.
Fixed base plate 5 is arranged at described leaded light component bottom.
Concrete, described fixed base plate 5 is arranged on the bottom of described leaded light component 4, and in actual mechanical process, described fixed base plate 5 can be arranged on below described nanometer light conductor 41 or the reflector layer 42.
In sum, implement the utility model and the LED light on the led light source plate is entered nanometer light conductor in the leaded light component from the side by leaded light component, the nanometer light conductor spreads and conducts it, wherein the light of upside is turned back in the nanometer light conductor by the framework inner reflection in framework, the upside light that exceeds framework spreads once more via even photosphere, derive from the front after refraction and the scattering, downside light reenters through reflector layer reflection post deflection and is mapped in the nanometer light conductor, though direct projection light is through the refraction of nanometer light conductor, scattering etc., but light is still roughly kept the direct projection direction and is moved on, when running into the on-plane surface reflector layer, roughly entered into the nanometer light conductor once more along the angle of reflection reflection, through the refraction of nanometer light conductor, after scattering and even photosphere mix once more, derive from the front, so to greatest extent the LED light of side is derived from the front, improve light extraction efficiency, realize that the LED spot light converts the purpose of area source to, reached the soft free from glare of light, the face optical illumination effect of uniformity, it is energy-conservation to embody the LED illuminating product, feature of long life.
Above disclosed only is a kind of preferred embodiment of the utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (10)
1, a kind of LED lighting device is characterized in that, comprising:
One framework is hollow structure, and side is provided with draw-in groove and interior side opening within it;
A plurality of LED light source boards are arranged at described framework inboard, and described led light source plate is provided with a plurality of LED lamps;
One driving power is for the LED lamp that is provided with on the described led light source plate provides power supply;
One leaded light component is arranged at described framework inside, is the non-planar light guide structure, comprises nanometer light conductor, reflector layer and even photosphere, and the exiting surface of described even photosphere and described nanometer light conductor is adjacent, and the bottom surface of described reflector layer and described nanometer light conductor is adjacent.
2, device as claimed in claim 1 is characterized in that, described lighting device also comprises:
One fixed base plate is arranged at described leaded light component bottom.
3, device as claimed in claim 1 is characterized in that, described LED lamp is pin type LED lamp or surface attaching type LED lamp or direct packaged LED lamp.
4, device as claimed in claim 3 is characterized in that, described LED lamp series connection or connection in series-parallel are arranged on the described led light source plate in conjunction with even linearity at interval.
5, device as claimed in claim 1 is characterized in that, the bottom surface of described nanometer light conductor is a nonplanar structure.
6, device as claimed in claim 1 is characterized in that, described reflector layer is a nonplanar structure.
7, device as claimed in claim 6 is characterized in that, described reflector layer is for directly forming in nanometer light conductor bottom surface, or for being arranged on another sheet material under the nanometer light conductor bottom surface.
8, device as claimed in claim 7 is characterized in that, the non-planar structure of described reflector layer is the smooth type surface.
9, device as claimed in claim 7 is characterized in that, the non-planar structure of described reflector layer is the rough type surface.
10, as claim 1,5,6,7 or 8 described devices is characterized in that, described non-planar structure is mountain type structure or sphere ridge structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200549634U CN201407553Y (en) | 2009-04-20 | 2009-04-20 | LED lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200549634U CN201407553Y (en) | 2009-04-20 | 2009-04-20 | LED lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201407553Y true CN201407553Y (en) | 2010-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200549634U Expired - Lifetime CN201407553Y (en) | 2009-04-20 | 2009-04-20 | LED lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201407553Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734728A (en) * | 2011-04-08 | 2012-10-17 | 通用汽车环球科技运作有限责任公司 | Illumination device for a motor vehicle and motor vehicle |
| CN103216751A (en) * | 2013-03-26 | 2013-07-24 | 浙江亿米光电科技有限公司 | LED (Light Emitting Diode) panel lamp |
| WO2013139160A1 (en) * | 2012-03-19 | 2013-09-26 | 海尔集团公司 | Lighting device |
| TWI426217B (en) * | 2011-03-31 | 2014-02-11 | Dongguan Masstop Liquid Crystal Display Co Ltd | Light source module |
| CN111189031A (en) * | 2020-02-28 | 2020-05-22 | 华域视觉科技(上海)有限公司 | Vehicle LED light homogenization components |
| CN111928134A (en) * | 2020-07-27 | 2020-11-13 | 深圳市巧精灵照明有限公司 | Neon light |
-
2009
- 2009-04-20 CN CN2009200549634U patent/CN201407553Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI426217B (en) * | 2011-03-31 | 2014-02-11 | Dongguan Masstop Liquid Crystal Display Co Ltd | Light source module |
| CN102734728A (en) * | 2011-04-08 | 2012-10-17 | 通用汽车环球科技运作有限责任公司 | Illumination device for a motor vehicle and motor vehicle |
| WO2013139160A1 (en) * | 2012-03-19 | 2013-09-26 | 海尔集团公司 | Lighting device |
| CN103216751A (en) * | 2013-03-26 | 2013-07-24 | 浙江亿米光电科技有限公司 | LED (Light Emitting Diode) panel lamp |
| CN111189031A (en) * | 2020-02-28 | 2020-05-22 | 华域视觉科技(上海)有限公司 | Vehicle LED light homogenization components |
| CN111928134A (en) * | 2020-07-27 | 2020-11-13 | 深圳市巧精灵照明有限公司 | Neon light |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100217 |