CN204062618U - A kind of LED planar lamp tool - Google Patents
A kind of LED planar lamp tool Download PDFInfo
- Publication number
- CN204062618U CN204062618U CN201420575733.3U CN201420575733U CN204062618U CN 204062618 U CN204062618 U CN 204062618U CN 201420575733 U CN201420575733 U CN 201420575733U CN 204062618 U CN204062618 U CN 204062618U
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- led
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- planar lamp
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- lamp tool
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Abstract
The utility model discloses a kind of LED planar lamp tool, comprising: base, is arranged on the LED light source in base, and is arranged on the light-passing board in base openings; It is characterized in that, described LED light source is arranged on the side of base, is provided with reflective surface at base back, and the light that LED light source sends penetrates from light-passing board after reflective surface reflection.Compared with prior art, a kind of LED planar lamp tool that the utility model provides is without the need to light diffusing sheet in traditional side entering type LED planar lamp, and structure is simple; Meanwhile, avoid the loss of light diffusing sheet to light, effectively improve the overall light extraction efficiency of light fixture.
Description
Technical field
The utility model relates to technical field of semiconductor illumination, particularly relates to a kind of LED planar lamp tool.
Background technology
So that its energy-saving and environmental protection, long service life, anti-seismic performance be good etc., advantage is widely applied at illuminating industry LED (Light Emitting Diode, light emitting diode).At present, more common LED lamp application form has fluorescent tube, flat lamp (flat lamp), globular bulb etc.Flat lamp is because having easy to assembly, compatible good feature, can be used to make lamp affixed to the ceiling, desk lamp, being widely used in hotel, meeting room, factory, office, commercial use, house, communal facility, school, hospital etc. needs place that the is energy-conservation and illumination of high-color rendering index.
At present, common flat lamp mainly contains straight-down negative and side entering type two kinds of structures, as shown in Figure 1, one section of publication number is that the Chinese invention patent of CN102278643A discloses a kind of straight-down negative LED planar lamp, comprise: frame, in frame, be disposed with diffusion layer, reflecting layer and substrate from front to the back side, described substrate 04 is provided with LED, and described LED is coated with lens.Because LED bright dipping has very strong directionality, this patent utilization light through multiple reflections, reaches the object of diffusion and the raising light uniformity in lens, and to prevent from dazzling light, but inevitably cause the overall light efficiency of light fixture lower, energy-saving effect does not protrude.In addition, straight-down negative structure makes the thickness of flat lamp comparatively large, is unfavorable for that follow-up installation is implemented.
And the flat lamp of side entering type structure, because light source itself is invisible, avoid the problem of dazzling light, as long as start with from raising light efficiency.The Chinese invention patent being CN102620196A as one section of publication number discloses a kind of flat lamp, comprise: reflecting plate, transparent panel and diffuser plate, reflecting plate, transparent panel and diffuser plate are all tabular and are built up an optics successively folds structure, optics is folded structure and is positioned on base, and LED light source is positioned at the side edge of transparent panel, and frame is sleeved on optics and folds the edge of structure and be fixedly connected with base.In this patent, LED light source and optics fold structure lateral vertical, and LED is bright dipping under the effect of diffuser plate after transparent panel, structure relative complex, and diffuser plate is large to going out light loss, and light efficiency can only reach 60-70lm/W usually, is further improved.
Summary of the invention
For the defect existed in prior art, it is simple that the purpose of this utility model is to provide a kind of structure, the LED planar lamp tool that light efficiency is high.
For reaching above object, the utility model adopts following technical scheme.
A kind of LED planar lamp tool, comprising: base, is arranged on the LED light source in base, and be arranged on the light-passing board in base openings; It is characterized in that, being provided with the light resource installing section for installing LED light source in the side of base, being provided with reflective surface at base back, the light that LED light source sends penetrates from light-passing board after reflective surface reflection.
Further illustrating as such scheme, the vertical section parabolically type of described reflective surface, described LED light source is positioned in parabolical focus.
Further illustrating as such scheme, the parabolic type of vertical section in oppositely docking of described reflective surface; The parabolic type of described reverse docking refers to: two parabola symmetries connect, and two parabolical summits are positioned on symmetry axis.
Further illustrating as such scheme, reflective surface is provided with diffuse coatings.
Further illustrating as such scheme, reflective surface is provided with the reflectance coating be made up of silicon materials or barium sulfate material.
Further illustrating as such scheme, described LED light source is the LED lamp bar tilting to install.
Further illustrating as such scheme, described LED light source comprises flexible flex circuit application, and is arranged on the multiple LED on flexible flex circuit application, to adapt to the light fixture of different openings shape.
Further illustrating as such scheme, described light-passing board is light-transmitting plate, convex lens, the one in concavees lens or irregular cambered surface.
Further illustrating as such scheme, the great power LED spot light that described LED light source is not less than 1W by multiple power forms.
Further illustrating as such scheme, the shape of described base openings is circular, and triangle is square, polygon or irregularly shaped.
Compared with prior art, a kind of LED planar lamp tool that the utility model provides has following beneficial effect:
One, utilize the bright dipping of reflective surface to LED light source to reflect and spread, without the need to light diffusing sheet in traditional side entering type LED planar lamp, structure is simple; Meanwhile, avoid the loss of light diffusing sheet to light, effectively improve the overall light extraction efficiency of light fixture.Through experiment test, the LED planar lamp tool utilizing the utility model to provide, its light efficiency is more than 90lm/W.
Two, parabola shaped by being arranged to by reflective surface, be arranged on by LED light source in parabolical focus, whole light fixture uniform light, free from glare, practicality is good.
Three, because LED light source adopts flexible flex circuit application to make, a LED flat plate light fixture only needs one group of LED light source, adapts to the light fixture of different openings shape, facilitates the making of light fixture.
Accompanying drawing explanation
Figure 1 shows that the LED planar lamp tool upward view that the utility model embodiment one provides;
Figure 2 shows that the LED planar lamp lamps structure exploded view that the utility model embodiment one provides;
Figure 3 shows that the LED planar lamp lamps structure exploded view that the utility model embodiment two provides;
Figure 4 shows that the LED planar lamp tool upward view that the utility model embodiment two provides.
Description of reference numerals:
1, base, 2, LED light source, 3, light-passing board, 4, light source drive device;
11, reflective surface, 12, light resource installing section.
Detailed description of the invention
For setting forth essence of the present utility model further, by reference to the accompanying drawings detailed description of the invention of the present utility model is described as follows.
Embodiment one
As Figure 1-Figure 2, a kind of LED planar lamp tool, comprising: base 1, is arranged on the LED light source 2 in base 1, and is arranged on the light-passing board 3 on base 1 opening.Base 1 is provided with reflective surface 11 and light resource installing section 12, and described reflective surface 11 is positioned at the back of base 1, and described light resource installing section 12 is positioned at the side of base 1.
Wherein, described base 1 is formed in one the opening squarely of structure, base 1, opening is provided with light-passing board and installs glue groove, is convenient to realize the assembling of light-passing board 3 and base 1.
The vertical section parabolically type of described reflective surface 11, described light resource installing section is positioned in parabolical focus.Like this, be sitting in parabolical focus after LED light source 2 installs, the light sent from LED light source penetrates from the opening parallel of base 1 after reflective surface 11 reflects, and light extraction efficiency is high.Through experiment test, utilize the LED planar lamp tool that the present embodiment is obtained, its light efficiency, more than 90lm/W, is much better than existing lighting, and energy-saving effect protrudes.
Described LED light source 2 is lamp strip, comprising: flexible flex circuit application and the multiple LED be arranged on flexible flex circuit application.In the present embodiment, preferred LED is the low-power LED of power between 0.06W-0.1W.In other embodiments, the described LED light source 2 great power LED spot light of 1W, 3W or 5W replaces, and is not limited to the present embodiment.During actual installation, lamp bar is for being obliquely installed, and the angle between the normal of lamp bar exiting surface and light-passing board is 75 ° and tilts, to ensure that the light that lamp bar sends becomes evenly soft after reflective surface 11 reflects.In other embodiments, the angle between the normal of lamp bar exiting surface and light-passing board also can suitably adjust, and is not limited to the present embodiment.
Described light-passing board 3 is transparent acrylic board.In other embodiments, acrylic board adopts transparent glass plate, polycarbonate plate to replace.
Further, for improving the overall light efficiency of LED planar lamp tool, reflective surface 11 is provided with the silicon reflectance coating be fabricated from a silicon, and compared with traditional barium sulfate reflectance coating, the reflecting rate of silicon reflectance coating is more than 96%, and light loss is few, and light extraction efficiency is high.
Further, base 1 is integrated with light source drive device 4, to simplify fitting structure.
A kind of LED planar lamp tool that the present embodiment provides, utilize the bright dipping of reflective surface to LED light source to reflect and spread, without the need to light diffusing sheet in traditional side entering type LED planar lamp, structure is simple; Meanwhile, avoid the loss of light diffusing sheet to light, effectively improve the overall light extraction efficiency of light fixture.Through experiment test, the LED planar lamp tool utilizing the present embodiment to provide, converts the spot light of LED to area source, and its light efficiency is more than 90lm/W, and compared with existing lighting (in 70lm/W), light efficiency improves more than 20%.
Embodiment two
As Figure 3-Figure 4, a kind of LED planar lamp tool, comprising: base 1, is arranged on the LED light source 2 in base 1, and is arranged on the light-passing board 3 on base 1 opening.Base 1 is provided with reflective surface 11 and light resource installing section, and described reflective surface 11 is positioned at the back of base 1, and described light resource installing section is positioned at the side of base 1.
A kind of LED planar lamp tool that the present embodiment provides, its structure and embodiment two basically identical, difference is:
One, the parabolic type of vertical section in oppositely docking of described reflective surface 11; The parabolic type of described reverse docking refers to: two parabola symmetries connect, and two parabolical summits are positioned on symmetry axis.By reflective surface 11 being adopted the parabolic type of oppositely docking in the present embodiment, while raising light efficiency, controlling the thickness of light fixture, saving installing space, reducing manufacturing cost.
Two, described light-passing board 3 is convex lens structures, and the opening of base 1 is rounded.In other embodiments, the shape of base openings is arranged to triangle or polygon, is not limited to the present embodiment.
Above detailed description of the invention has been described in detail essence of the present utility model, but can not limit protection domain of the present utility model with this.Apparently, under the enlightenment of the utility model essence, the art those of ordinary skill also can carry out many improvement and modification, it should be noted that these improve and modify and all drops within claims of the present utility model.
Claims (10)
1. a LED planar lamp tool, comprising: base, is arranged on the LED light source in base, and is arranged on the light-passing board in base openings; It is characterized in that, being provided with the light resource installing section for installing LED light source in the side of base, being provided with reflective surface at base back, the light that LED light source sends penetrates from light-passing board after reflective surface reflection.
2. a kind of LED planar lamp tool according to claim 1, is characterized in that, the vertical section parabolically type of described reflective surface, described LED light source is positioned in parabolical focus.
3. a kind of LED planar lamp tool according to claim 1, is characterized in that, the parabolic type of vertical section in oppositely docking of described reflective surface; The parabolic type of described reverse docking refers to: two parabola symmetries connect, and two parabolical summits are positioned on symmetry axis.
4. a kind of LED planar lamp tool according to claim 1, is characterized in that, reflective surface is provided with diffuse coatings.
5. a kind of LED planar lamp tool according to claim 1 or 2 or 3 or 4, is characterized in that, reflective surface is provided with the reflectance coating be made up of barium sulfate material or silicon materials.
6. a kind of LED planar lamp tool according to claim 1, is characterized in that, described LED light source is the LED lamp bar tilting to install.
7. a kind of LED planar lamp tool according to claim 1, is characterized in that, described light-passing board is light-transmitting plate, convex lens, the one in concavees lens or irregular cambered surface.
8. a kind of LED planar lamp tool according to claim 1, it is characterized in that, described LED light source comprises flexible flex circuit application, and is arranged on the multiple LED on flexible flex circuit application.
9. a kind of LED planar lamp tool according to claim 8, is characterized in that, the great power LED spot light that described LED light source is not less than 1W by multiple power forms.
10. a kind of LED planar lamp tool according to claim 1, is characterized in that, the shape of described base openings is circular, and triangle is square, polygon or irregularly shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420575733.3U CN204062618U (en) | 2014-09-30 | 2014-09-30 | A kind of LED planar lamp tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420575733.3U CN204062618U (en) | 2014-09-30 | 2014-09-30 | A kind of LED planar lamp tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204062618U true CN204062618U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420575733.3U Expired - Fee Related CN204062618U (en) | 2014-09-30 | 2014-09-30 | A kind of LED planar lamp tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204062618U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523973A (en) * | 2016-12-08 | 2017-03-22 | 宁波飞拓电器有限公司 | Table lamp capable of refracting light rays through multiple slopes |
| CN107131431A (en) * | 2017-07-10 | 2017-09-05 | 上海顿格电子贸易有限公司 | A kind of PAR lamp |
-
2014
- 2014-09-30 CN CN201420575733.3U patent/CN204062618U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523973A (en) * | 2016-12-08 | 2017-03-22 | 宁波飞拓电器有限公司 | Table lamp capable of refracting light rays through multiple slopes |
| CN107131431A (en) * | 2017-07-10 | 2017-09-05 | 上海顿格电子贸易有限公司 | A kind of PAR lamp |
| CN107131431B (en) * | 2017-07-10 | 2020-07-03 | 上海顿格电子贸易有限公司 | PAR lamp |
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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: 20141231 Termination date: 20180930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |