CN103672714A - LED lamp structure - Google Patents
LED lamp structure Download PDFInfo
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- CN103672714A CN103672714A CN201310553040.4A CN201310553040A CN103672714A CN 103672714 A CN103672714 A CN 103672714A CN 201310553040 A CN201310553040 A CN 201310553040A CN 103672714 A CN103672714 A CN 103672714A
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- led lamp
- lamp pearl
- substrate
- white led
- white
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- 239000000758 substrate Substances 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 12
- 150000004767 nitrides Chemical class 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000005286 illumination Methods 0.000 abstract description 3
- 239000011324 bead Substances 0.000 abstract 7
- 239000011049 pearl Substances 0.000 description 67
- 238000009877 rendering Methods 0.000 description 10
- 230000003287 optical effect Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
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Abstract
The invention discloses an LED lamp structure which comprises a substrate. LED beads are arranged on the substrate and comprise the white-light LED beads I, the white-light LED beads II and the red-light LED beads, wherein blue-light chips of the white-light LED beads I are coated with fluorescent powder and the white-light LED beads II are formed through the method that red-light fluorescent powder containing nitride are filled into the white-light LED beads I. An LED lamp of the structure is even in illumination, high in display coefficient, low in cost and suitable for being popularized and applied in a large scale.
Description
Technical field
The present invention relates to LED modulated structure, particularly a kind of for improving colour rendering index LED modulated structure.
Background technology
The degree that light source presents object intrinsic colour is called colour rendering, conventionally with demonstration index, represents the true to nature degree of LED lamp to object color reaction, and the higher expression of colour rendering index LED light to color performance better, more approaches the color of object itself.
Existing LED lamp mainly adopts the white LED lamp that is coated with layer of fluorescent powder at blue chip outward, but this LED lamp colour rendering index is poor, can not well react the color of object itself, easily causes in use identification error.Therefore there is invention to be filled with the red light fluorescent powder that contains nitride in existing blue chip is coated with the white LED lamp of layer of fluorescent powder outward.This white LED lamp colour rendering index is good, but because Nitride phosphor is manufactured difficulty, cost is high, is not suitable for using in a large number in LED lamp.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of LED modulated structure, and LED light, according to evenly, show that index is high, and cost is low, is applicable to large-scale popularization application.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of LED modulated structure, comprise a substrate, described substrate is provided with LED lamp pearl, and described LED lamp pearl is included in white LED lamp pearl I, the white LED lamp pearl II that is filled with the red light fluorescent powder that contains nitride in white LED lamp pearl I and the red LED lamp pearl that blue chip scribbles fluorescent material outward.Because three kinds of LED lamp pearls optical wavelength in spectrum is different, the white LED lamp pearl II of the red light fluorescent powder by containing nitride and red LED lamp pearl are to compensating the optical wavelength of white light pearl I, the light that makes to mix rear spectrum is even, and has improved colour rendering index.The mode of using by mixing, has reduced the use amount of the white LED lamp pearl II of the red light fluorescent powder that contains nitride, has reduced cost, simple in structure, makes easily.
Preferably, described white LED lamp pearl I, white LED lamp pearl II and red LED lamp pearl have outer ring and inner ring two circles along substrate circumferential arrangement.White LED lamp pearl I, white LED lamp pearl II and red LED lamp pearl are distributed along circumferential, be conducive to the even of LED lamp wiring distribution.
As improvement, described substrate is circular.Substrate is circular, on three kinds of lamp pearls, arranges in process, can make all angles distribution of light more even.
Preferably, described white LED lamp pearl I is arranged in the outer ring of substrate, and described white LED lamp pearl II and red LED lamp pearl mixed-arrangement are at the inner ring of substrate.White LED lamp pearl I is on the market the most common lamp pearl, price is low, so wanting of adopting is many, be placed in outer ring and can be convenient to place more white LED lamp pearl I, the light that the white LED lamp pearl I of the relatively less white LED lamp pearl II of quantity and red LED lamp pearl mixed-arrangement each angle on the inner ring of substrate is conducive to outer ring is sent compensates, and guarantees the stability of illumination.
As improvement, in white LED lamp pearl II and the red LED lamp pearl cross-distribution of substrate inner ring.By white LED lamp pearl II and red LED lamp pearl cross-distribution, mixing light is more even, more abundant to the compensation of white LED lamp pearl I on outer ring, has improved the stability of colour rendering index.
As improvement, described substrate is placed in a lamp socket, is covered with a lampshade on described lamp socket.
As a kind of preferred version, described lampshade inwall scribbles milky coating.Owing to scribbling milky coating on lampshade, light easily reflects, and improves photochromic uniformity.
As another kind of preferred version, described lampshade is plate-like structure.Adopt flat lampshade, after light emission goes out, diffuse reflection can occur, photochromic more even.
Adopt after technique scheme, tool of the present invention has the following advantages:
By adopting cheap on the market white LED lamp pearl I and mixing a small amount of white LED lamp pearl II and red LED lamp pearl, by the compensating action of light, improve colour rendering index, and cost is low, make easily.Adopt circular substrate, when arranging three kinds of lamp pearls, can accomplish the even of each angle light.By scribble milky coating or lampshade at lampshade inwall, adopt plate-like structure, easily there is refraction and diffuse reflection in light, improves photochromic uniformity.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Fig. 1 is LED modulated structure exploded view of the present invention;
Fig. 2 is lamp pearl layout drawing on LED lamp substrate;
Fig. 3 is flat lampshade.
The specific embodiment
As shown in Figure 1-2, a kind of LED modulated structure, comprise lampshade 2, lamp socket 1 and be placed on the substrate 3 in lamp socket 1, described substrate 3 is provided with LED lamp pearl, described lampshade 2 covers on described lamp socket 1, and described LED lamp pearl is included in white LED lamp pearl I31, the white LED lamp pearl II32 that is filled with the red light fluorescent powder that contains nitride in white LED lamp pearl I31 and the red LED lamp pearl 33 that blue chip scribbles fluorescent material outward.Because three kinds of LED lamp pearls optical wavelength in spectrum is different, the white LED lamp pearl II of the red light fluorescent powder by containing nitride and red LED lamp pearl are to compensating the optical wavelength of white light pearl I, the light that makes to mix rear spectrum is even, and has improved colour rendering index.The mode of using by mixing, has reduced the use amount of the white LED lamp pearl II of the red light fluorescent powder that contains nitride, has reduced cost, simple in structure, makes easily.
Described white LED lamp pearl I31, white LED lamp pearl II32 and red LED lamp pearl 33 have outer ring and inner ring two circles (specifically referring to Fig. 2) along substrate 3 circumferential arrangement, are conducive to the even of LED lamp wiring distribution.As a kind of preferred embodiment, described substrate 3 is circular.On three kinds of lamp pearls, arrange in process, can make all angles distribution of light more even.Because white LED lamp pearl I is on the market the most common lamp pearl, price is low, so wanting of adopting is many, white LED lamp pearl I is placed in to outer ring and is convenient to place more white LED lamp pearl I, the light that the white LED lamp pearl I of the relatively less white LED lamp pearl II of quantity and red LED lamp pearl mixed-arrangement each angle on the inner ring of substrate is conducive to outer ring is sent compensates, and guarantees the stability of illumination.As preferred embodiment further, in white LED lamp pearl II32 and red LED lamp pearl 33 cross-distribution of substrate 3 inner rings.After mixing, light is more even, more abundant to the compensation of white LED lamp pearl I on outer ring, has improved the stability of colour rendering index.
Owing to there being red red LED lamp pearl 33, so LED lantern festival exists photochromic inhomogeneity problem.Need to solve by the arrangement mode of three kinds of lamp pearls and the structure of lampshade.Below adopt two kinds of lampshade structures, certainly can be substituted by the lampshade of other structures of identical function.
Embodiment 1:
Can, referring to Fig. 1, at described lampshade 2 inwalls, scribble milky coating.Milky coating light easily reflects, and improves photochromic uniformity.
Embodiment 2:
Fig. 3, described lampshade 2 is plate-like structure.After going out, light emission can there is diffuse reflection, and photochromic more even.
For guaranteeing that photochromic evenly as preferably, the quantity of white LED lamp pearl I is at 8-12, the quantity of white LED lamp pearl II is at 3-5, and the quantity of red LED lamp pearl 33 is at 4-6.
Except above preferred embodiment, the present invention also has other embodiment, and those skilled in the art can make according to the present invention various changes and distortion, only otherwise depart from spirit of the present invention, all should belong to the defined scope of claims of the present invention.
Claims (8)
1. a LED modulated structure, comprise a substrate (3), described substrate (3) is provided with LED lamp pearl, it is characterized in that: described LED lamp pearl is included in the white LED lamp pearl I(31 that blue chip scribbles fluorescent material outward), at white LED lamp pearl I(31) in be filled with the white LED lamp pearl II(32 of the red light fluorescent powder that contains nitride) and red LED lamp pearl (33).
2. LED modulated structure according to claim 1, is characterized in that: described white LED lamp pearl I(31), white LED lamp pearl II(32) and red LED lamp pearl (33) along substrate (3) circumferential arrangement, have outer ring and inner ring two circles.
3. LED modulated structure according to claim 2, is characterized in that: described substrate (3) is for circular.
4. according to the LED modulated structure described in claim 2 or 3, it is characterized in that: described white LED lamp pearl I(31) be arranged in the outer ring of substrate (3), described white LED lamp pearl II(32) and red LED lamp pearl (33) mixed-arrangement at the inner ring of substrate (3).
5. LED modulated structure according to claim 4, is characterized in that: at the white LED lamp pearl II(32 of substrate (3) inner ring) and red LED lamp pearl (33) cross-distribution.
6. LED modulated structure according to claim 1 or 5, is characterized in that: described substrate (3) is placed in a lamp socket (1), is covered with a lampshade (2) on described lamp socket (1).
7. LED modulated structure according to claim 6, is characterized in that: described lampshade (2) inwall scribbles milky coating.
8. LED modulated structure according to claim 6, is characterized in that: described lampshade (2) is plate-like structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310553040.4A CN103672714A (en) | 2013-11-09 | 2013-11-09 | LED lamp structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310553040.4A CN103672714A (en) | 2013-11-09 | 2013-11-09 | LED lamp structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103672714A true CN103672714A (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310553040.4A Pending CN103672714A (en) | 2013-11-09 | 2013-11-09 | LED lamp structure |
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| Country | Link |
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| CN (1) | CN103672714A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6149283A (en) * | 1998-12-09 | 2000-11-21 | Rensselaer Polytechnic Institute (Rpi) | LED lamp with reflector and multicolor adjuster |
| CN1707152A (en) * | 2005-05-26 | 2005-12-14 | 张杨敬 | LED plane exciter lamp |
| CN101886767A (en) * | 2010-08-09 | 2010-11-17 | 中国计量学院 | A high color rendering index and high light efficiency LED bulb lamp |
| CN202065833U (en) * | 2011-06-08 | 2011-12-07 | 南宁市立节节能电器有限公司 | High-power led mine lamp |
| US20120176026A1 (en) * | 2007-08-21 | 2012-07-12 | Samsung Electro-Mechanics Co., Ltd. | (oxy) nitride phosphor, white light-emitting device including the (oxy) nitride phosphor, method of preparing phosphor, and nitride phosphor prepared by the method |
-
2013
- 2013-11-09 CN CN201310553040.4A patent/CN103672714A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6149283A (en) * | 1998-12-09 | 2000-11-21 | Rensselaer Polytechnic Institute (Rpi) | LED lamp with reflector and multicolor adjuster |
| CN1707152A (en) * | 2005-05-26 | 2005-12-14 | 张杨敬 | LED plane exciter lamp |
| US20120176026A1 (en) * | 2007-08-21 | 2012-07-12 | Samsung Electro-Mechanics Co., Ltd. | (oxy) nitride phosphor, white light-emitting device including the (oxy) nitride phosphor, method of preparing phosphor, and nitride phosphor prepared by the method |
| CN101886767A (en) * | 2010-08-09 | 2010-11-17 | 中国计量学院 | A high color rendering index and high light efficiency LED bulb lamp |
| CN202065833U (en) * | 2011-06-08 | 2011-12-07 | 南宁市立节节能电器有限公司 | High-power led mine lamp |
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Application publication date: 20140326 |