CN104061465A - Efficient integrated LED light source - Google Patents
Efficient integrated LED light source Download PDFInfo
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- CN104061465A CN104061465A CN201410095014.6A CN201410095014A CN104061465A CN 104061465 A CN104061465 A CN 104061465A CN 201410095014 A CN201410095014 A CN 201410095014A CN 104061465 A CN104061465 A CN 104061465A
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Abstract
The invention discloses an efficient integrated LED light source which comprises a substrate and an LED luminous chip set arranged on the surface of the substrate; the LED luminous chip set can emit light by 360 degrees and is divided into at least three luminous zones of which the area is basically identical; the interior of each luminous zone is divided into at least two small luminous zones; the quantities of the small luminous zones in the luminous zones are the same; each small luminous zone is internally provided with at least one LED luminous chip; the LED luminous chips in the luminous zones are in parallel connection with one another; the luminous zones are in series connection with one another. The efficient integrated LED light source can avoid loss of light received by a lens, effectively increases the light receiving efficiency, reduces the lens size, and increases the light spot uniformity and the light spot texture.
Description
Technical field
The present invention relates to a kind of filter, relate in particular to a kind of efficient LED integrated optical source.
Background technology
Current conventional LED integrated optical source a is that longitudinal arrangement squarely or upper and lower, left and right arrayed squarely (seeing Fig. 1, Fig. 2) are made into monochrome or polychromatic light, thereby cause lens b to receive light light loss (seeing Fig. 3, Fig. 4) or need to increase lens b size, receive light so that increase cost waste resource, and imaging is uneven after receipts light, produce vignette (seeing Fig. 5, Fig. 6); Be made into polychromatic source can mixed light uneven, colour cast is serious.
Summary of the invention
The object of this invention is to provide a kind of efficient LED integrated optical source, solved lens and received light light loss, light path is long, even light mixing is poor and power-efficient is low problem.
For achieving the above object, the invention provides a kind of efficient LED integrated optical source, comprise substrate and the LED luminescence chip group of being located at described substrate surface, the light emitting region of described LED luminescence chip group is divided into essentially identical at least three light-emitting zones of area within the scope of 360 °, in each light-emitting zone, be divided into again at least two luminous communities, luminous number of cells in each light-emitting zone is identical, in each luminous community, be provided with at least one LED luminescence chip, LED luminescence chip in each light-emitting zone is connected in parallel, and between each light-emitting zone, is connected in series.
Preferably, be divided into 3-4 luminous community in described light-emitting zone, the glow color of the LED luminescence chip in each luminous community is identical.
Preferably, be divided into 3-4 luminous community in described light-emitting zone, the glow color of the LED luminescence chip in each luminous community is different.
Preferably, be divided into three luminous communities in described light-emitting zone, the glow color of the LED luminescence chip in these three luminous communities is respectively a kind of in red, green, blue.
Preferably, the glow color of the LED luminescence chip in these three luminous communities is sequentially spaced apart.
Preferably, be divided into four luminous communities in described light-emitting zone, the glow color of the LED luminescence chip in these four luminous communities is respectively a kind of in red, green, blue, white or red, green, blue, Huang.
Preferably, the glow color of the LED luminescence chip in these four luminous communities is sequentially spaced apart.
Preferably, described LED luminescence chip group is roughly arranged into circle within the scope of 360 °.
Preferably, be divided into three luminous communities in described light-emitting zone, the glow color of the LED luminescence chip in these three luminous communities respectively wantonly three kinds in red, green, blue, Huang forms.
Compared with prior art, efficient LED integrated optical source of the present invention has following advantage:
(1) by the light emitting region of LED luminescence chip group being divided within the scope of 360 ° to essentially identical at least three light-emitting zones of area, between light-emitting zone, adopt series system to connect, can remove the luminescence chip of position, four angles of arrangements of chips, thereby can avoid lens to receive light light loss, be equivalent to receive under the condition of hot spot uniformity after light in assurance, can effectively reduce light loss and fail to keep an appointment 20%.
(2) effectively increase and receive optical efficiency, reducing glass size, is guaranteeing to receive after light under the break-even condition of light efficiency, and lens diameter can effectively dwindle approximately 25%.
(3) common LED light source is made finished product optical path length and can be surpassed conventional bubble lamp 30%, and structure of the present invention can shorten optical path length, makes light path foreshorten to bubble lamp equivalent length.
(4) common LED integrated optical source voltage is 4V left and right, efficient LED integrated optical source voltage of the present invention is more than 12V, equal-wattage at most only needs 1/3rd of common LED integrated optical source electric current, not only increases hot spot uniformity but also improve power-efficient and reduce use cost.
(5), because LED luminescence chip group is roughly arranged into circle within the scope of 360 °, thereby can effectively avoid occur receiving, hot spot after light is unreal, the problem of hot spot diastema; Owing to being divided into again at least two luminous communities in each light-emitting zone, the LED luminescence chip quantity in each light-emitting zone is identical, thereby can be so that the photochromic mixing of LED luminescence chip group is full and uniform, and color change is pure, abundant.
By following description also by reference to the accompanying drawings, it is more clear that the present invention will become, and these accompanying drawings are used for explaining embodiments of the invention.
Accompanying drawing explanation
Fig. 1 is that the first of LED integrated optical source of the prior art is arranged schematic diagram.
Fig. 2 is that the second of LED integrated optical source of the prior art is arranged schematic diagram.
Fig. 3 is that the LED integrated optical source in Fig. 1 produces the schematic diagram of light loss in lens outside.
Fig. 4 is that the LED integrated optical source in Fig. 2 produces the schematic diagram of light loss in lens outside.
Fig. 5 is that the LED integrated optical source in Fig. 1 produces the schematic diagram of light virtual positions in lens inside.
Fig. 6 is that the LED integrated optical source in Fig. 2 produces the schematic diagram of light virtual positions in lens inside.
Fig. 7 is the schematic diagram of efficient LED integrated optical source embodiment mono-of the present invention.
Fig. 8 is the schematic diagram of efficient LED integrated optical source embodiment bis-of the present invention.
Fig. 9 is the schematic diagram of efficient LED integrated optical source embodiment tri-of the present invention.
Figure 10 is the schematic diagram of efficient LED integrated optical source embodiment tetra-of the present invention.
Figure 11 is the schematic diagram of efficient LED integrated optical source embodiment five of the present invention.
The specific embodiment
With reference now to accompanying drawing, describe embodiments of the invention, in accompanying drawing, similarly element numbers represents similar element.
Embodiment mono-
Please refer to Fig. 7, described efficient LED integrated optical source comprises substrate (not shown) and is located at the LED luminescence chip group 1 of described substrate surface.Described LED luminescence chip group 1 is roughly arranged into circle within the scope of 360 °, and described LED luminescence chip group 1 is divided into essentially identical four light-emitting zones 11 of area within the scope of 360 °, between each light-emitting zone 11, is connected in series.In this specific embodiment, in each light-emitting zone 11, do not divide luminous community, but can be divided into according to actual needs two or three luminous communities yet.Each light-emitting zone 11 is interior all has eight LED luminescence chips 12, and the LED luminescence chip 12 in each light-emitting zone 11 is connected in parallel.The glow color of the LED luminescence chip 12 described in each in light-emitting zone 11 is white light.The white light area that four light-emitting zones 11 send is identical, therefore can make the photochromic mixing of LED luminescence chip group 1 full and uniform, bias colour phenomenon.
Embodiment bis-
Please refer to Fig. 8, described efficient LED integrated optical source comprises substrate (not shown) and is located at the LED luminescence chip group 1 of described substrate surface.Described LED luminescence chip group 1 is roughly arranged into circle within the scope of 360 °, and described LED luminescence chip group 1 is divided into essentially identical four light-emitting zones 11 of area within the scope of 360 °, between each light-emitting zone 11, is connected in series.In this specific embodiment, in each light-emitting zone 11, do not divide luminous community, but can be divided into according to actual needs two or three or four luminous communities yet.Each light-emitting zone 11 is interior all has 13 LED luminescence chips 12, and the LED luminescence chip 12 in each light-emitting zone 11 is connected in parallel.The glow color of the LED luminescence chip 12 described in each in light-emitting zone 11 is white light.The white light area that four light-emitting zones 11 send is identical, therefore can make the photochromic mixing of LED luminescence chip group 1 full and uniform, bias colour phenomenon.
Embodiment tri-
Please refer to Fig. 9, described efficient LED integrated optical source comprises substrate (not shown) and is located at the LED luminescence chip group 1 of described substrate surface.Described LED luminescence chip group 1 is roughly arranged into circle within the scope of 360 °, and described LED luminescence chip group 1 is divided into essentially identical four light-emitting zones 11 of area within the scope of 360 °, between each light-emitting zone 11, is connected in series.In each light-emitting zone 11, be divided into again three luminous communities 13.In each luminous community 13, be equipped with five LED luminescence chips 12, in each light-emitting zone 11, have 15 LED luminescence chips 12, the LED luminescence chip 12 in each light-emitting zone 11 is connected in parallel.The glow color of the LED luminescence chip 12 in each luminous community 13 is different, and, the glow color of the LED luminescence chip 12 in these three luminous communities 13 is respectively a kind of in red, green, blue, and the glow color of the LED luminescence chip 12 in these three luminous communities 13 is sequentially spaced apart.In this specific embodiment, the glow color of the LED luminescence chip 12 in three luminous communities 13 in each light-emitting zone 11 is according to being followed successively by clockwise indigo plant, red, green.Four light-emitting zones 11 are formed by blue, red, green three kinds of blend of colors respectively, and versicolor LED luminescence chip 12 quantity in four light-emitting zones 11 are all identical, thereby the photochromic of four LED luminescence chips 12 in light-emitting zone 11 all can fully be mixed, thereby make described LED luminescence chip group 1 bias colour phenomenon.
Embodiment tetra-
Please refer to Figure 10, described efficient LED integrated optical source comprises substrate (not shown) and is located at the LED luminescence chip group 1 of described substrate surface.Described LED luminescence chip group 1 is roughly arranged into circle within the scope of 360 °, and described LED luminescence chip group 1 is divided into essentially identical three light-emitting zones 11 of area within the scope of 360 °, between each light-emitting zone 11, is connected in series.In each light-emitting zone 11, be divided into again four luminous communities 13.In each luminous community 13, be equipped with five LED luminescence chips 12, in each light-emitting zone 11, have 20 LED luminescence chips 12, the LED luminescence chip 12 in each light-emitting zone 11 is connected in parallel.The glow color of the LED luminescence chip 12 in each luminous community 13 is different, and, the glow color of the LED luminescence chip 12 in these four luminous communities 13 is respectively a kind of in red, green, blue, white or red, green, blue, Huang, and the glow color of the LED luminescence chip 12 in these four luminous communities 13 is sequentially spaced apart.In this specific embodiment, the glow color of the LED luminescence chip 12 in four luminous communities 13 in each light-emitting zone 11 is according to being followed successively by clockwise indigo plant, Huang, red, green or blue, white, red, green.Three light-emitting zones 11 are formed by blue, yellow, red, green or blue, white, red, green four kinds of blend of colors respectively, and versicolor LED luminescence chip 12 quantity in three light-emitting zones 11 are all identical, thereby the photochromic of three LED luminescence chips 12 in light-emitting zone 11 all can fully be mixed, thereby make described LED luminescence chip group 1 bias colour phenomenon.
Embodiment five
Please refer to Figure 11, described efficient LED integrated optical source comprises substrate (not shown) and is located at the LED luminescence chip group 1 of described substrate surface.Described LED luminescence chip group 1 is roughly arranged into circle within the scope of 360 °, and described LED luminescence chip group 1 is divided into essentially identical four light-emitting zones 11 of area within the scope of 360 °, between each light-emitting zone 11, is connected in series.In each light-emitting zone 11, be divided into again three luminous communities 13.Three luminous communities 13 in each light-emitting zone 11 are according to having successively clockwise seven, five, seven LED luminescence chips 12, each light-emitting zone 11 is interior all a nineteen LED luminescence chip 12, and the LED luminescence chip 12 in each light-emitting zone 11 is connected in parallel.The glow color of the LED luminescence chip 12 in each luminous community 13 is different, and the glow color of the LED luminescence chip 12 in these three luminous communities 13 is respectively in red, green, blue, Huang any three kinds.In this specific embodiment, the glow color of the LED luminescence chip 12 in three luminous communities 13 in top-right light-emitting zone 11 is red according to being followed successively by clockwise, green, blue, the glow color of the LED luminescence chip 12 in three luminous communities 13 in bottom-right light-emitting zone 11 is according to being followed successively by clockwise Huang, red, green, the glow color of the LED luminescence chip 12 in three luminous communities 13 in the light-emitting zone 11 of lower left is according to being followed successively by clockwise indigo plant, yellow, red, the glow color of the LED luminescence chip 12 in three luminous communities 13 in upper left light-emitting zone 11 is green according to being followed successively by clockwise, blue, yellow.Four light-emitting zones 11 respectively in red, green, blue, Huang any three kinds of blend of colors form, and the quantity of the LED luminescence chip 12 in three light-emitting zones 11 is all identical, thereby the photochromic of three LED luminescence chips 12 in light-emitting zone 11 all can fully be mixed, thereby make described LED luminescence chip group bias colour phenomenon.
The present invention is other embodiment specifically, and in other embodiments, the light emitting region of described LED luminescence chip group 1 can also be divided into four above light-emitting zones 11.In other embodiments, in each light-emitting zone 11, also can there are two luminous communities 13 or four above luminous communities 13.In other embodiments, in each luminous community 13, also can there are one, two, three, four, six or seven above LED luminescence chips 12.
Invention has been described for above combination most preferred embodiment, but the present invention is not limited to the embodiment of above announcement, and should contain the various modifications of carrying out according to essence of the present invention, equivalent combinations.
Claims (9)
1. an efficient LED integrated optical source, comprise substrate and the LED luminescence chip group of being located at described substrate surface, it is characterized in that: the light emitting region of described LED luminescence chip group is divided into essentially identical at least three light-emitting zones of area within the scope of 360 °, in each light-emitting zone, be divided into again at least two luminous communities, luminous number of cells in each light-emitting zone is identical, in each luminous community, be provided with at least one LED luminescence chip, LED luminescence chip in each light-emitting zone is connected in parallel, and between each light-emitting zone, is connected in series.
2. efficient LED integrated optical source as claimed in claim 1, is characterized in that: in described light-emitting zone, be divided into 3-4 luminous community, the glow color of the LED luminescence chip in each luminous community is identical.
3. efficient LED integrated optical source as claimed in claim 1, is characterized in that: in described light-emitting zone, be divided into 3-4 luminous community, the glow color of the LED luminescence chip in each luminous community is different.
4. efficient LED integrated optical source as claimed in claim 3, is characterized in that: in described light-emitting zone, be divided into three luminous communities, the glow color of the LED luminescence chip in these three luminous communities is respectively a kind of in red, green, blue.
5. efficient LED integrated optical source as claimed in claim 4, is characterized in that: the glow color of the LED luminescence chip in these three luminous communities is sequentially spaced apart.
6. efficient LED integrated optical source as claimed in claim 3, it is characterized in that: in described light-emitting zone, be divided into four luminous communities, the glow color of the LED luminescence chip in these four luminous communities is respectively a kind of in red, green, blue, white or red, green, blue, Huang.
7. efficient LED integrated optical source as claimed in claim 6, is characterized in that: the glow color of the LED luminescence chip in these four luminous communities is sequentially spaced apart.
8. efficient LED integrated optical source as claimed in claim 1, is characterized in that: described LED luminescence chip group is roughly arranged into circle within the scope of 360 °.
9. efficient LED integrated optical source as claimed in claim 3, is characterized in that: in described light-emitting zone, be divided into three luminous communities, the glow color of the LED luminescence chip in these three luminous communities respectively wantonly three kinds in red, green, blue, Huang forms.
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| CN201410095014.6A CN104061465B (en) | 2014-03-13 | 2014-03-13 | Efficient integrated LED light source |
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| CN201410095014.6A CN104061465B (en) | 2014-03-13 | 2014-03-13 | Efficient integrated LED light source |
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| CN201053658Y (en) * | 2007-06-06 | 2008-04-30 | 姜建国 | Heat irradiation structure of LED module |
| US20080231214A1 (en) * | 2007-03-19 | 2008-09-25 | Seoul Semiconductor Co., Ltd. | Light emitting device having various color temperature |
| US7690806B2 (en) * | 2007-03-30 | 2010-04-06 | Designs For Vision, Inc. | Illuminating headlamp providing substantially uniform illumination |
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| CN203771121U (en) * | 2014-03-13 | 2014-08-13 | 广州市添鑫光电有限公司 | Efficient LED (Light Emitting Diode) integrated light source |
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- 2014-03-13 CN CN201410095014.6A patent/CN104061465B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080231214A1 (en) * | 2007-03-19 | 2008-09-25 | Seoul Semiconductor Co., Ltd. | Light emitting device having various color temperature |
| US7690806B2 (en) * | 2007-03-30 | 2010-04-06 | Designs For Vision, Inc. | Illuminating headlamp providing substantially uniform illumination |
| CN201053658Y (en) * | 2007-06-06 | 2008-04-30 | 姜建国 | Heat irradiation structure of LED module |
| CN203240330U (en) * | 2013-03-27 | 2013-10-16 | 珠海市集利发展有限公司 | Evenly-divided-area symmetric-type dimmable LED (light emitting diode) integrated light source |
| CN203771121U (en) * | 2014-03-13 | 2014-08-13 | 广州市添鑫光电有限公司 | Efficient LED (Light Emitting Diode) integrated light source |
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