CN203273361U - LED reflection-type lamp - Google Patents
LED reflection-type lamp Download PDFInfo
- Publication number
- CN203273361U CN203273361U CN 201320201130 CN201320201130U CN203273361U CN 203273361 U CN203273361 U CN 203273361U CN 201320201130 CN201320201130 CN 201320201130 CN 201320201130 U CN201320201130 U CN 201320201130U CN 203273361 U CN203273361 U CN 203273361U
- Authority
- CN
- China
- Prior art keywords
- led
- light
- lamp plate
- lampshade
- lamp
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses an LED reflection-type lamp. The LED reflection-type lamp comprises a lamp shade with an opening and a lamp plate which is arranged inside the lamp shade and provided with LED luminous particles, wherein the lamp plate is in a ring shape, the LED luminous particles are located on one side of the lamp plate, and the side, with the LED luminous particles, of the lamp plate is opposite to the opening of the lamp shade. The LED reflection-type lamp guarantees all light emitted by an LED light source to be projected on the lamp shade and then to be emitted outside the lamp after the light is reflected through the lamp shade, the direction of emitted light is convenient to control and illumination can be even. The middle of the ring-shaped lamp plate is provided with a through hole used for enabling light to passing, meanwhile, fixation of the lamp plate is achieved at the same time, the block to the emitted light is reduced to the greatest extent, and the light passing rate is guaranteed to the greatest extent. The LED reflection-type lamp has the advantages of being simple in structure, low in production cost, even in illumination, high in light passing rate and the like, is beneficial to marketing popularization and utilization and has board application prospects.
Description
Technical field
The utility model relates to the LED field of light fittings, particularly a kind of LED reflection type lamp.
Background technology
Light emitting diode (Light-Emitting-Diode, be called for short LED) be a kind of can be the semiconductor of luminous energy with electric energy conversion, its core component is LED chip.LED light source is high with its brightness, shock resistance and the significant advantage such as anti-seismic performance is good, long service life, optical efficiency height and more and more be concerned.Along with the high speed development of information technology, lighting field is more and more paid attention to for environmental protection and energy saving, and LED illumination as green illumination, has environmental protection, the remarkable advantage such as energy-conservation.Therefore, the LED illumination has more and more consequence at world's lighting field, has begun to be widely applied in every field, will bring a historical huge revolution for traditional lighting engineering.
Along with the development of LED lighting engineering, more and more adopt LED as light source at lighting field.LED light source does not pass through in the situation of reflexed light ring reflection or lens reflection, and its luminescent ligand light characteristic meets the radiation law of lambert (J.H.Lambert) illuminator, and this class illuminator is also referred to as the cosine illuminator.The light that LED light source sends is not when passing through luminous intensity distribution, and its intensity of illumination is very inhomogeneous, also can't control the light that LED light source sends, and in order to obtain lighting effect comparatively uniformly, generally adopts reflection lampshade to carry out luminous intensity distribution to the emergent light of LED light source.
Existing LED reflection type lamp is generally with reflection lampshade, reflects by one or many to be incident upon outside light fixture, and the emergent light of LED light source is carried out luminous intensity distribution, makes illumination evenly and light is controlled.LED light fixture by the primary event outgoing to light fixture usually adopts half pot of shape body lampshade as reflection lampshade, is equivalent to pot shape body is cut open from the centre, goes out to be equipped with lamp plate at the split surface of lampshade, and LED light source is placed on lamp plate.During work, LED light source with ray cast to the reflecting surface of lampshade and outgoing to light fixture.Be ZL 201120032020.9 as the patent No., name is called the Chinese utility model patent of " Reflecting LED light for automobile ", a kind of Reflecting LED light for automobile is disclosed, be the reflection type lamp structure of LED light source emergent ray outgoing after primary event, as shown in Figure 1, consisted of by lampshade, wiring board and light source, lampshade is half pot of shape body, a fixed head is equipped with at split surface place at lampshade, and wiring board is installed on fixed head, and light source is housed on wiring board.
Above-mentioned reflection type lamp structure through the primary event outgoing, the light of LED light source outgoing all do not project on reflector, and to light fixture, this is unfavorable for the control to the light fixture emergent ray to some light without the direct outgoing of any reflection.And the light that LED light source sends is through the fitting structure of outgoing again after Multi reflection, and fitting structure is comparatively complicated, and production cost is higher, will additionally increase cost.
The utility model content
The utility model has proposed a kind of LED reflection type lamp for the technical deficiency that exists in prior art, and is simple in structure, can illumination even, and is convenient to control the direction of emergent ray.
A kind of LED reflection type lamp, comprise with the lampshade of opening and be placed in described lampshade lamp plate with the LED light-emitting particles, described lamp plate is annular, described LED light-emitting particles is positioned at a side of described lamp plate, and described lamp plate is with a side of the LED light-emitting particles opening of described lampshade dorsad.
In technique scheme, lamp plate is with a side of the LED light-emitting particles opening of lampshade dorsad, can guarantee light that LED light source (being the LED light-emitting particles on lamp plate) sends will all project on lampshade and reflect by lampshade after outgoing to light fixture, this reflective structure is convenient to control the direction of emergent ray, and can illumination even.With through hole, be used for logical light in the middle of the annular lamp plate, this structure can be taken into account simultaneously the fixing of lamp plate and reduce stopping emergent ray as far as possible.And the utility model LED reflection type lamp can also guarantee that every a branch of emergent ray all passes through the reflection of lampshade, can change the spectral component of LED light source outgoing beam or light intensity etc. when lampshade inner surface being done certain processing.
As preferably, described lampshade is concave shaped, be hollow form, the inner surface of described lampshade is reflecting curved surface, the light that LED light-emitting particles on lamp plate sends will all project on lampshade, reflecting curved surface by lampshade inner surface is gone out the LED light source uniform irradiation, simultaneously, is convenient to control the direction of emergent ray.
Further preferred, the hollow space of described lampshade is half ellipsoid, and namely the inner surface of described lampshade is the ellipsoid reflecting curved surface, and this reflecting curved surface can make the LED light source uniform irradiation go out more equably.
As preferably, described lamp plate is positioned at the opening part of described lampshade.Be used for logical light with through hole in the middle of the annular lamp plate, the annular lamp plate be placed in the lampshade opening part can reduce the stopping of outgoing beam improved the percent of pass of outgoing beam.
Further preferred, the external diameter of described lamp plate equals the internal diameter of the opening part of described lampshade, described lamp plate abuts against the inner surface of described lampshade, the annular lamp plate is abutted against the inner surface of lampshade opening part, make the middle part of annular lamp plate leave larger through hole, can improve to greatest extent the percent of pass of outgoing beam.
The width of lamp plate is too little, can't firmly be arranged on the LED light-emitting particles on lamp plate, the width of lamp plate is too large, can stop outgoing beam, further preferred, the width of described lamp plate be described lamp plate outer radius 1/10th to 1/5th, the LED light-emitting particles firmly can be arranged on lamp plate, can improve to greatest extent again the percent of pass of outgoing beam.
As preferably, described LED light-emitting particles comprises blue-light LED chip and is coated in yellow fluorescent powder on described blue-light LED chip, blue-light LED chip+yellow fluorescent powder is the main implementation that realizes white light LEDs in prior art, the blue-light excited yellow fluorescent powder that sends by blue-light LED chip obtains white light, and technology maturation, with low cost and effect is better.
Further preferred, the inner surface of described lampshade is provided with the blue light absorption layer, owing to obtaining by blue-light excited yellow fluorescent powder in the mode of white light, in the white-light spectrum that obtains, blue light proportion is more, and excessively strong blue light has harm to human eye, therefore, be coated with the blue light absorption layer and will help to reduce blue light proportion in ejecting white light on lampshade, thereby reduce emergent ray to the harm of human eye.The blue light absorption layer can adopt prior art.
Compared with prior art, the utlity model has following advantage:
The utility model LED reflection type lamp, the LED light-emitting particles is positioned at a side of lamp plate, lamp plate is with a side of the LED light-emitting particles opening of lampshade dorsad, namely guarantee light that LED light source sends will all project on lampshade and reflect by lampshade after outgoing to light fixture, this reflective structure is convenient to control the direction of emergent ray, and can illumination even.And, being used for logical light with through hole in the middle of the annular lamp plate, this structure can be taken into account simultaneously the fixing of lamp plate and reduce as far as possible and can guarantee to greatest extent the percent of pass of light to the stopping of emergent ray.That the utility model LED reflection type lamp has is simple in structure, production cost is lower, illumination is even, the percent of pass advantages of higher of light, is conducive to market-oriented utilization and extention, has broad application prospects.
The utility model LED reflection type lamp, in optimal technical scheme, described lampshade is concave shaped, be hollow form, the inner surface of described lampshade is reflecting curved surface, and the hollow space of described lampshade is half ellipsoid, and the LED light source uniform irradiation is gone out.Described lamp plate is positioned at the opening part of described lampshade, has improved the percent of pass of outgoing beam.The inner surface of described lampshade is provided with the blue light absorption layer, is coated with the blue light absorption layer and will helps to reduce blue light proportion in ejecting white light on lampshade, thereby reduce emergent ray to the harm of human eye.
Description of drawings
Fig. 1 is the structural representation of Reflecting LED light for automobile in prior art;
Fig. 2 is the internal structure schematic diagram of the utility model LED reflection type lamp.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model LED reflection type lamp is described in further detail.
As shown in Figure 2, be the utility model LED reflection type lamp, comprise with the lampshade 2 of opening 1 and be placed in lampshade 2 lamp plate 4 with LED light-emitting particles 3, lamp plate 4 is annular, LED light-emitting particles 3 is positioned at a side of lamp plate 4, and lamp plate 4 is with a side of LED light-emitting particles 3 opening 1 of lampshade 2 dorsad.
LED light-emitting particles 3 comprises blue-light LED chip and is coated in yellow fluorescent powder on blue-light LED chip, the inner surface 5 of lampshade 2 is provided with the blue light absorption layer, the material that absorbs blue light in the blue light absorption layer can be selected yellow uitramarine, specifically can select the Nanoptek Yellow of Nanoptek company development
TMYellow uitramarine.
The specific works principle of the utility model LED reflection type lamp is as follows:
During the work of the utility model LED reflection type lamp, LED light source (being the LED light-emitting particles 3 on lamp plate 4) outgoing beam will all project lampshade 2 inner surface 5(reflecting curved surfaces) on, blue light absorption layer segment on inner surface 5 absorbs the blue light ingredient in LED light-emitting particles 3 outgoing beams, reduce the blue light proportion in ejecting white light, reduce emergent ray to the harm of human eye, light after lampshade 2 reflection outgoing to light fixture, this reflective structure is convenient to control the direction of emergent ray, and can illumination even.And, be used for logical light with through hole in the middle of annular lamp plate 4, can take into account simultaneously the fixing of lamp plate 4 and reduce as far as possible and can guarantee to greatest extent the percent of pass of light to the stopping of emergent ray.
The above-described specific embodiment has been described in detail the technical solution of the utility model and beneficial effect; be understood that the above only is most preferred embodiment of the present utility model; be not limited to the utility model; all any modifications of making in principle scope of the present utility model, replenish and be equal to replacement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. LED reflection type lamp, comprise with the lampshade of opening and be placed in described lampshade lamp plate with the LED light-emitting particles, it is characterized in that, described lamp plate is annular, described LED light-emitting particles is positioned at a side of described lamp plate, and described lamp plate is with a side of the LED light-emitting particles opening of described lampshade dorsad.
2. LED reflection type lamp according to claim 1, is characterized in that, described lampshade is concave shaped, is hollow form, and the inner surface of described lampshade is reflecting curved surface.
3. LED reflection type lamp according to claim 2, is characterized in that, the hollow space of described lampshade is half ellipsoid.
4. LED reflection type lamp according to claim 1, is characterized in that, described lamp plate is positioned at the opening part of described lampshade.
5. LED reflection type lamp according to claim 4, is characterized in that, the external diameter of described lamp plate equals the internal diameter of the opening part of described lampshade, and described lamp plate abuts against the inner surface of described lampshade.
6. LED reflection type lamp according to claim 5, is characterized in that, the width of described lamp plate be described lamp plate outer radius 1/10th to 1/5th.
7. LED reflection type lamp according to claim 1, is characterized in that, described LED light-emitting particles comprises blue-light LED chip and is coated in yellow fluorescent powder on described blue-light LED chip.
8. LED reflection type lamp according to claim 7, is characterized in that, the inner surface of described lampshade is provided with the blue light absorption layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320201130 CN203273361U (en) | 2013-04-19 | 2013-04-19 | LED reflection-type lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320201130 CN203273361U (en) | 2013-04-19 | 2013-04-19 | LED reflection-type lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203273361U true CN203273361U (en) | 2013-11-06 |
Family
ID=49503767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320201130 Expired - Fee Related CN203273361U (en) | 2013-04-19 | 2013-04-19 | LED reflection-type lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203273361U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444000A (en) * | 2015-12-21 | 2016-03-30 | 佛山贝利安照明科技有限公司 | Novel LED lamp holder structure |
| WO2024037476A1 (en) * | 2022-08-14 | 2024-02-22 | 湛玉文 | Reflective backlight module of liquid crystal display |
-
2013
- 2013-04-19 CN CN 201320201130 patent/CN203273361U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444000A (en) * | 2015-12-21 | 2016-03-30 | 佛山贝利安照明科技有限公司 | Novel LED lamp holder structure |
| WO2024037476A1 (en) * | 2022-08-14 | 2024-02-22 | 湛玉文 | Reflective backlight module of liquid crystal display |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201407551Y (en) | LED streetlight with adjustable reflector | |
| CN101761811A (en) | LED (light emitting diode) floodlighting device and method for improving illuminance | |
| CN103047553A (en) | High-luminous-efficacy high-power light-emitting diode (LED) panel light | |
| CN203273361U (en) | LED reflection-type lamp | |
| CN201902857U (en) | Wide-diffusion light-emitting LED (light-emitting diode) panel lamp | |
| CN203463991U (en) | LED (light-emitting diode) candle lamp | |
| CN201434229Y (en) | Spotlight LED lamp | |
| CN205979402U (en) | Railway signal lamp | |
| CN202835187U (en) | Reflector lamp cup improvement structure for promoting spotlighting effect | |
| CN203273362U (en) | Reflecting type LED lamp | |
| CN203384711U (en) | LED fluorescent lamp | |
| CN202008087U (en) | Integrated high-power light emitting diode (LED) lens and lamp thereof | |
| CN207527499U (en) | A kind of plane LED lamp reflector | |
| CN207006041U (en) | Light fixture for long distance illumination | |
| CN202902029U (en) | Light-emitting diode (LED) spot lamp | |
| CN202598385U (en) | Small-caliber LED (Light Emitting Diode) scale reflecting cup with small light emergent angle | |
| CN105351771A (en) | Lamp capable of increasing irradiation distance | |
| CN202834837U (en) | Light emitting diode (LED) fluorescent lamp | |
| CN102003678B (en) | Integrated high-power light-emitting diode (LED) lens and lamps thereof | |
| CN204592961U (en) | A kind of secondary reflection LED lamp with radiator | |
| CN216818375U (en) | LED illuminating lamp | |
| CN203628426U (en) | Spot lamp | |
| CN202361110U (en) | High-power LED panel light with high luminous efficiency | |
| CN202769550U (en) | Light distribution structure of light-emitting diode (LED) lamp | |
| CN202813070U (en) | Light-emitting diode (LED) spotlight |
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: 20131106 Termination date: 20190419 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |