CN101725920A - Reflection type light-emitting diode lamp - Google Patents
Reflection type light-emitting diode lamp Download PDFInfo
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- CN101725920A CN101725920A CN200810171937A CN200810171937A CN101725920A CN 101725920 A CN101725920 A CN 101725920A CN 200810171937 A CN200810171937 A CN 200810171937A CN 200810171937 A CN200810171937 A CN 200810171937A CN 101725920 A CN101725920 A CN 101725920A
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- fluorescent tube
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Abstract
A reflection type light-emitting diode (LED) lamp comprises a light tube, at least one substrate and at least one LED, wherein the light tube is a strip rounded body and contains a reflective shell and a light-transmitting cover; the reflective shell has a reflective panel on the inside; the substrate is arranged in the light tube; the LED is arranged on the substrate, the light-emitting direction of the LED faces to the reflective shell, and the light is reflected by the reflective panel of the reflective shell and emitted from the light-transmitting cover. Therefore, the point light source characteristic of the LED can be eliminated and phenomena such as uneven light and ghosting which are caused by the point light source can be cancelled. In addition, the point light source characteristic of light is eliminated before the light is emitted from the light-transmitting cover, thus the light-mixing effect of the invention is better than that of the common existing LED lamp.
Description
Technical field
The present invention relates to a kind of led lamp, particularly a kind of reflection type light-emitting diode lamp.
Background technology
Fluorescent tube can be described as the very important invention of room lighting.Present global night room lighting, the overwhelming majority adopts fluorescent tube.But the shortcoming of fluorescent tube for consuming electric power and needing to produce high voltage operation very much.In addition, the mercury in the fluorescent tube, for the pollution of earth environment always by This is what people generally disapprove of.Therefore, seek new lighting apparatus and caused scientist and the great interest of business circles.
The white light emitting diode that the twentieth century later stage begins to develop brings a line dawn of illumination.1996, Japan day inferior chemistry (Nichia) company developed with blue light-emitting diode and excites yttrium-aluminium-garnet (yttrium aluminum garnet, YAG) fluorescent material and produce yellow fluorescence on the basis of GaN blue light-emitting diode.The yellow fluorescence that is produced and then produce white light (blue light-emitting diode cooperates YAG fluorescent material) with blue light, the unlatching light emitting diode marches toward the prelude of illumination market.White light emitting diode has many advantages compared with traditional fluorescent tube, as volume little (many, multiple combination), caloric value low (heat radiation is few), power consumption low (low-voltage, low current starting), life-span long (more than 100,000 hours), reaction speed fast (but high-frequency operation), environmental protection (shatter-proof, shock-resistant be difficult for broken, discarded object is recyclable, pollution-free) but planar package becomes compact advantages such as product with easy exploiting.Once the someone added up, if the fluorescent tube in full court gulf is replaced to the white light emitting diode device, may save the electric weight of a suitable nuclear plant in 1 year.Add that light emitting diode uses solid-state inorganic substances and inorganic fluorescent powder, has more solved the problem of fluorescent tube mercury pollution in the past.Therefore white light emitting diode is the optimal selection of human following lighting apparatus, also is the target that each advanced country of the present world makes joint efforts and develops.
Yet, when adopting general existing light emitting diode as luminous lighting equipment, a problem has but taken place.That be exactly light emitting diode be spot light, so under short distance irradiation, uneven light can occur, cause the phenomenon of ghost.For the shortcoming of above-mentioned existing led lamp is described, please also refer to the vertical view of Fig. 1 and Fig. 2: Fig. 1 for existing led lamp; Fig. 2 is the cutaway view of existing led lamp.Existing led lamp comprises: the light emitting diode 12A and a substrate 14A of a fluorescent tube 10A, majority.This substrate 14A is arranged in this fluorescent tube 10.Those light emitting diodes 12A is installed on this substrate 14A.This fluorescent tube 10A is a rectangular round.This substrate 14A is a printed circuit board (PCB), cooperate general existing circuit design and power supply supply (not icon) after, it is luminous to drive those light emitting diodes 12A.Those light emitting diodes 12A is because be spot light as seen from the figure, so can cause the phenomenon of the inhomogeneous and ghost of light.In addition, if want to carry out mixed light (being the light emitting diode that those light emitting diodes 12A comprises two or more glow colors), because be the cause of spot light,, just can show the color behind the uniform mixed light so the mixed light process will need suitable distance just can finish.
Summary of the invention
Therefore, a purpose of the present invention is, a kind of reflection type light-emitting diode lamp is provided, and improves light emitting diode spot light characteristic, to reduce the phenomenon of the inhomogeneous and ghost of the light that causes because of spot light.
Another object of the present invention is to, a kind of reflection type light-emitting diode lamp is provided, improve the mixed light effect of general existing led lamp.
For achieving the above object, reflection type light-emitting diode lamp of the present invention comprises: a fluorescent tube, at least one substrate and at least one light emitting diode.This fluorescent tube is a rectangular round, and comprises a reflective housing and a diffuser.This reflective housing and this diffuser are respectively a rectangular semicircular bodies.This reflective housing has the reflective surface in the inboard.This diffuser is a light diffusing sheet.Those substrates are arranged in this fluorescent tube.Those light emitting diodes are installed on those substrates, and light emission direction is toward this reflective housing, by penetrating from this diffuser behind this reflective surface reflection ray of this reflective housing.
Beneficial functional of the present invention is, can make to be those light emitting diodes of spot light originally, and after the utilization reflection spot light characteristic be disappeared, become line source, therefore light source will be near existing fluorescent-lamp tube, and significantly reduces the phenomenon of the inhomogeneous and ghost of the light that causes because of spot light.In addition, because light is from having eliminated the characteristic of spot light before this diffuser penetrates, so the mixed light effect will be better than general existing led lamp.Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the vertical view of existing led lamp;
Fig. 2 is the cutaway view of existing led lamp;
Fig. 3 is the side view of a preferred embodiment of reflection type light-emitting diode lamp of the present invention;
Fig. 4 is the cutaway view of a preferred embodiment of reflection type light-emitting diode lamp of the present invention;
Fig. 5 is the vertical view of a preferred embodiment of reflection type light-emitting diode lamp of the present invention.
Wherein, Reference numeral
The 10A fluorescent tube
The 12A light emitting diode
The 14A substrate
10 fluorescent tubes
12 light emitting diodes
14 substrates
16 reflective housings
18 diffusers
The specific embodiment
Please refer to Fig. 3, it is the side view of a preferred embodiment of reflection type light-emitting diode lamp of the present invention.And please also refer to the cutaway view (be the cutaway view figure of Fig. 3) of Fig. 4 and Fig. 5: Fig. 4 for a preferred embodiment of reflection type light-emitting diode lamp of the present invention; Fig. 5 is the vertical view (being the vertical view of Fig. 3) of a preferred embodiment of reflection type light-emitting diode lamp of the present invention.Reflection type light-emitting diode lamp according to preferred embodiment of the present invention comprises: a fluorescent tube 10, two substrates 14 and at least one light emitting diodes 12.This fluorescent tube 10 is a rectangular round.These two substrates 14 are arranged at a side and relative opposite side of these fluorescent tube 10 inwalls respectively.Those light emitting diodes 12 are installed on these two substrates 14, and quantity do not limit, and cooperate required candle power brilliance to increase or reduce.
This fluorescent tube 10 comprises a reflective housing 16 and a diffuser 18.The reflective housing 16 of this of this fluorescent tube 10 has the reflective surface in the inboard, in order to reflection ray.This diffuser 18 of this fluorescent tube 10 is a light diffusing sheet, the light that penetrates can be spread, and reduces the phenomenon of spot light.This diffuser 18 of the reflective housing 16 of this of this fluorescent tube 10 and this fluorescent tube 10 is respectively a rectangular semicircular bodies, to form this fluorescent tube 10, but the transparent shell that this reflective housing 16 and this diffuser 18 can also be one of the forming, and providing reflective surface to rectangular semicircular bodies inner surface that should Reflective Shell body 16 and forming.These two substrates 14 are printed circuit board (PCB), cooperate general existing circuit design and power supply supply (not icon) after, it is luminous to drive those light emitting diodes 12.The light emission direction of those light emitting diodes 12 is toward this reflective housing 16 of this fluorescent tube 10, penetrated by this diffuser 18 from this fluorescent tube 10 behind this reflective surface reflection ray of this reflective housing 16 of this fluorescent tube 10.So can make and be those light emitting diodes 12 of spot light originally, after utilizing reflection the spot light characteristic is disappeared, become line source or area source, so light source will be near existing fluorescent-lamp tube, and significantly reduce the phenomenon of the inhomogeneous and ghost of the light that causes because of spot light.In addition, because light is from having eliminated the characteristic of spot light before this diffuser 18 of this fluorescent tube 10 penetrates, so mixed light (being the light emitting diode that those light emitting diodes 12 comprise two or more glow colors) effect will be better than general existing led lamp.
In addition, the quantity of this substrate 14 is not defined as two, for example can be one, and be arranged at a side of these fluorescent tube 10 inwalls, even be arranged at the bottom of this diffuser 18 of this fluorescent tube 10, as long as those light emitting diode 12 light emission directions are toward this reflective housing 16 of this fluorescent tube 10, to get final product by these diffuser 18 ejaculations from this fluorescent tube 10 behind this reflective surface reflection ray of this reflective housing 16 of this fluorescent tube 10.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (6)
1. a reflection type light-emitting diode lamp is characterized in that, comprises:
One fluorescent tube is a rectangular round, comprises a reflective housing and a diffuser, and this reflective housing has the reflective surface in the inboard;
At least one substrate is arranged in this fluorescent tube; And
At least one light emitting diode, be installed on this substrate and light emission direction toward this reflective housing, by penetrating from this diffuser behind this reflective surface reflection ray of this reflective housing.
2. reflection type light-emitting diode lamp according to claim 1 is characterized in that, the quantity of this substrate is one, and is arranged at a side of this tube inner wall.
3. reflection type light-emitting diode lamp according to claim 1 is characterized in that, the quantity of this substrate is two, and is arranged at a side and relative opposite side of this tube inner wall respectively.
4. reflection type light-emitting diode lamp according to claim 1 is characterized in that, this diffuser is a light diffusing sheet.
5. reflection type light-emitting diode lamp according to claim 1 is characterized in that those light emitting diodes comprise the light emitting diode of two or more colors.
6. reflection type light-emitting diode lamp according to claim 1 is characterized in that, this reflective housing and this diffuser are respectively a rectangular semicircular bodies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810171937XA CN101725920B (en) | 2008-10-24 | 2008-10-24 | Reflection type light-emitting diode lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810171937XA CN101725920B (en) | 2008-10-24 | 2008-10-24 | Reflection type light-emitting diode lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101725920A true CN101725920A (en) | 2010-06-09 |
| CN101725920B CN101725920B (en) | 2011-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810171937XA Expired - Fee Related CN101725920B (en) | 2008-10-24 | 2008-10-24 | Reflection type light-emitting diode lamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN101725920B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207253A (en) * | 2011-05-24 | 2011-10-05 | 祁守美 | Light reflecting LED fluorescent lamp |
| CN104154446A (en) * | 2014-08-07 | 2014-11-19 | 张勇 | Novel reflection-type LED fluorescent tube |
| CN105042355A (en) * | 2014-11-25 | 2015-11-11 | 上一国际光电股份有限公司 | Induction type fluorescent lamp system structure |
| CN109163231A (en) * | 2018-09-26 | 2019-01-08 | 厦门通士达照明有限公司 | Pluggable LED spot |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015036478A1 (en) | 2013-09-12 | 2015-03-19 | Koninklijke Philips N.V. | Lighting device and manufacturing method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2821377Y (en) * | 2005-05-25 | 2006-09-27 | 钟根发 | Reflective light emitting diode lighting lamp |
| CN200943836Y (en) * | 2006-02-07 | 2007-09-05 | 沈育浓 | Luminaire |
| CN201121839Y (en) * | 2007-11-05 | 2008-09-24 | 传典光电科技有限公司 | LED illumination device |
-
2008
- 2008-10-24 CN CN200810171937XA patent/CN101725920B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207253A (en) * | 2011-05-24 | 2011-10-05 | 祁守美 | Light reflecting LED fluorescent lamp |
| CN104154446A (en) * | 2014-08-07 | 2014-11-19 | 张勇 | Novel reflection-type LED fluorescent tube |
| CN105042355A (en) * | 2014-11-25 | 2015-11-11 | 上一国际光电股份有限公司 | Induction type fluorescent lamp system structure |
| CN109163231A (en) * | 2018-09-26 | 2019-01-08 | 厦门通士达照明有限公司 | Pluggable LED spot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101725920B (en) | 2011-07-20 |
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Granted publication date: 20110720 Termination date: 20161024 |