CN104350327A - Led-array light source with aspect ratio greater than 1 - Google Patents
Led-array light source with aspect ratio greater than 1 Download PDFInfo
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- CN104350327A CN104350327A CN201380024946.5A CN201380024946A CN104350327A CN 104350327 A CN104350327 A CN 104350327A CN 201380024946 A CN201380024946 A CN 201380024946A CN 104350327 A CN104350327 A CN 104350327A
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- 229910010293 ceramic material Inorganic materials 0.000 claims description 10
- 229910017083 AlN Inorganic materials 0.000 claims description 6
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims description 6
- 230000003321 amplification Effects 0.000 description 8
- 238000005286 illumination Methods 0.000 description 8
- 238000003199 nucleic acid amplification method Methods 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000001465 metallisation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2101/00—Point-like light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Led Device Packages (AREA)
Abstract
An LED light source (10) for use in LED lighting fixtures. The LED light source comprises a submount (20) including an LED-populated area (11) which has an aspect ratio greater than 1, an array of LEDs (13) on the LED-populated area, and a lens (30) on the submount over the LED-populated area. Various embodiments facilitating preferential-side lighting, such as for roadway uses, are also disclosed.
Description
Technical field
The present invention relates generally to LED illumination device field, particularly relate to, application in a device there is the LED-based light source that special Light distribation requires.
Background technology
In recent years, the use of light emitting diode (LED) in various conventional lighting use increases day by day, and LED, the progress of LED array and particular components more accelerates this trend.Really, typical case uses the illumination of the equipment of so-called high-intensity discharge (HID) lamp application nowadays to adopt LED illumination device in the past.This illumination application comprises road lighting, industrial light, parking lot illumination and commercial building illumination, and much other illuminations.
In this series products a lot, the high levels of illumination realizing having special Light distribation requirement is over a large area extremely important.One of them example is road lighting apparatus, and in the application, equipment is placed on usually along road edge, but expects that light distribute along the overwhelming majority of link length, certainly, requires to be distributed in road with it oneself---usually to prevent the obvious deviating road of light.Under these circumstances, need the orientation that minimizes the use of large complex reflex device and/or change multiple light source to realize required lighting pattern.
Summary of the invention
The present invention is a kind of LED light source, and it meets all above mentioned objects and purposes.LED light source of the present invention comprises and comprises the LED that aspect ratio is greater than 1 and assemble at the bottom of the subbase in district, is positioned at LED and assembles LED array in district and the suprabasil LED that is positioned at of described son assembles lens above district.
At this, term " LED assembles district " refers to a region (that is, sub suprabasil region), and its outer boundary comprises the outermost edges of most external LED on any direction (in LED array).At this, term " aspect ratio " refers to that LED assembles the greatest cross-section size in region and the ratio with the greatest cross-section size of this greatest cross-section dimension orthogonal.
In some embodiment of LED light source of the present invention, in array, the spacing of LED makes LED overall area at least account for about 1/3 of LED assembling region with arrangement.In certain embodiments, spacing and the arrangement of described LED make LED overall area at least account for about 2/3 of LED assembling region, and in some this embodiments, the spacing of described LED and arrangement make LED overall area at least account for about 90% of LED assembling region.
At this, term " LED overall area " refers to the summation immediately preceding the sub-basal region below each LED in LED array.
In some other embodiment, the spacing in array between LED is not more than about 1 millimeter (mm), and in the embodiment that some are such, the spacing between LED is not more than about 0.5mm, is sometimes not more than about 0.1mm.In some other embodiment, this spacing is not more than about 0.075mm, is not even greater than about 0.05mm.
In other embodiments of the invention, LED assembles the aspect ratio in district is at least about 1.25.In the embodiment that some are such, this aspect ratio is at least about 1.5, and in other embodiments, aspect ratio is at least about 2.
In certain embodiments, LED assembles district is rectangle.Such as, a this embodiment comprises the rectangular array of LED, at least comprises 8 LED lining up every row 4 LED of two row.In another example, this array comprises 48 LED lining up every row 12 LED of 4 row.In some other embodiment, it is asymmetrical that LED assembles district.
" asymmetric " is use about LED assembling district at this, and when not by any further limited description change, refer to a region, the border in this region has a no more than geometry as lower shaft, exists symmetrical around this axle.Therefore, be understandable that, it is not asymmetrical that rectangle LED assembles district, because it has two about its symmetrical axle.
In certain embodiments of the present invention, the LED light source anaclasis that is configured to LED to send is to a privileged direction.LED array limits transmitter axle, and in certain embodiments, lens have outer surface and center line, center line from transmitter axially privileged direction depart from.In some this embodiments, lens configuration is that the anaclasis that sent by LED is to privileged direction.Lens can be asymmetrical.
At this, term " transmitter axle " refers to the line that the plane of assembling area definition with LED is orthogonal, and it assembles the geometric center of the rectangle of the minimum area in district through limiting LED, that is, comprise the center that all LED assemble the rectangle of the minimum area in district.
Term " asymmetric " uses about lens at this, when not by any further restricted description change, refers to that the shape of lens is not in relation to any axle Rotational Symmetry perpendicular to its basal plane.The kind of non-sym lens includes but not limited to symmetrical lens.
In certain embodiments, the anaclasis that light source is designed to LED to send is to privileged direction, LED assembles district and has orthogonal larger and less cross dimension, privileged direction along less cross dimension, thus can provide relative to transmitter axially the lighting pattern that departs from of privileged direction.
In certain embodiments of the present invention, lens are molded at the bottom of subbase.Can comprise ceramic material at the bottom of this subbase, also can be aluminium nitride.Comprise front surface and rear surface at the bottom of this subbase, and LED assembles district can be positioned on front surface, and electrode is positioned on rear surface and connects use.
Light source of the present invention can also be described as and comprise at the bottom of (a) subbase, comprise LED and assemble district, it has light emitting diode (LED) array, LED assembles district and has the first and second mutually orthogonal greatest cross-section sizes, wherein the first cross dimension is larger than the second cross dimension, and at the bottom of (b) subbase on be positioned at LED and assemble lens above district.
In description of the present invention and claims below, term " comprises ", " comprising " and " having " (and theirs is various multi-form) and term " with " be appreciated that open, instead of restrictive term.
Accompanying drawing explanation
Fig. 1 is the enlarged perspective of LED light source according to an embodiment of the invention, the asymmetric main lens comprising 8 LED diode arrays and be molded on LED array.
Fig. 2 is the enlarged perspective of LED light source according to another embodiment of the present invention, the asymmetric main lens comprising 48 LED array and be molded on LED array.
Fig. 3 is the amplification view with the LED array of asymmetrical shape according to alternative of the present invention.
Fig. 4 is the amplification view of the LED array in LED light source shown in Fig. 1, shows the key dimension of LED array.
Fig. 5 and 6 is LED array amplification views of its each more different transform example configured according to the present invention.
Fig. 7 is the LED array amplification view with asymmetrical shape according to another alternative of the present invention.
Fig. 8 is the enlarged perspective of LED light source according to another embodiment of the invention, and it comprises the hemispherical main lens be molded on LED array.
Fig. 9 is the amplification view of the LED light source of Fig. 1.
Figure 10 is the amplification front view of the LED light source of Fig. 1.
Figure 11 is the enlarged side view of the LED light source of Fig. 1.
Figure 12 is the amplification front view at the bottom of the subbase of the LED light source of Fig. 1, shows suprabasil 8 LED of son.
Figure 13 is the side view at the bottom of the subbase of Figure 12.
Figure 14 is the rearview at the bottom of the subbase of Figure 12.
Figure 15 is the amplification view of the LED array according to another alternative of the present invention.
Figure 15 A is the illustrative diagram of the LED assembling district outer boundary of the LED array of Figure 15.
Figure 15 B is the illustrative diagram of the position of the transmitter axle of the LED array of Figure 15, and exemplary illustration assembles the orthogonal maximum transverse dimensions of two of the aspect ratio in district for the LED determining in Figure 15 A.
Specific embodiment
Fig. 1-15 shows LED light source 10 of the present invention.Light source 10 to comprise at the bottom of subbase 20, and it comprises the LED that aspect ratio is greater than 1 and assembles the array 12 that the LED13 in district 11 is assembled in district 11, LED, and 20 is positioned at LED above and assembles lens 30 above district 11 at the bottom of subbase.
Figure 15 A shows the example that LED assembles the outer boundary 111 in district 11.Figure 15 B is for determining that specific LED assembles the illustrative diagram of the orthogonal maximum transverse dimensions of two of aspect ratio in district 11.
Fig. 1-8 also illustrates that the LED region that the spacing of the LED13 in each LED assembling district 11 and arrangement are set to total accounts at least about 1/3 of LED assembling district 11, as shown in Fig. 3 and 15.In figures 7 and 8, LED 13 spacing and arrange and be set to total LED region and account for respectively that LED assembles district 11f and 11g at least about 2/3.At Fig. 1, in 2,4-6, the LED region that the spacing of LED 13 and arrangement are set to total accounts for LED and assembles district 11a, at least about 90% of 11b, 11d and 11e.
Fig. 3 spacing shown in array 11c between LED13 is about 0.1mm.In the diagram, the spacing between the LED13 in array 11a is about 0.075mm.And in Fig. 5, the spacing in array 11d between LED13 is about 0.05mm.
It is at least about 1.25 that Fig. 1-8 and 15 shows aspect ratio, and the LED of at least about 1.5 and at least about 2 assembles the various configurations of district 11a-h.Fig. 1,4 and 9 show LED light source 10a, and the LED comprising the rectangle with 8 LED (being arranged in two row often row 4 LED13) assembles district 11a.In Fig. 6, size represents with the millimeter in bracket and the inch number under bracket, and the first greatest cross-section is of a size of [2.08], that is, 2.08 millimeters.Fig. 2 shows LED emitter 10b, comprises often row 12 LED13 and is arranged as 48 LED13 of 8 row.LED assembles the aspect ratio of district 11a and is approximately the aspect ratio that 2, LED assembles district 11b and is approximately 3.
Fig. 3 and 7 shows LED array 11c and 11f, each have be arranged in symmetrical arrangements, and its aspect ratio is greater than 1.
Fig. 1,2 and 7-11 show the various forms of LED light source 10, its light being configured to LED to send reflects to privileged direction 2.Each LED array definition transmitter axle 14.Fig. 1,2 and 7-11 show lens 30, its light being configured to LED to send reflects towards preferential side 2.Fig. 1,2 and 9-11 show lens outer surface 31, be configured as the anaclasis that sent by LED to preferential side 2.Fig. 4,7 and 9 show lens outer surface 31, and it has the center line 32 that spontaneous emitter axle 14 departs from towards preferential side 2.Fig. 1,2 and 9-11 show LED light source 10, it has the lens outer surface 31 that the spontaneous emitter axle 14 of center line 32 departs from towards preferential side 2, is configured as the anaclasis that sent by LED to preferential side 2 simultaneously.In fig 1 and 2, the lens 30 illustrated are asymmetrical.
Fig. 4 shows LED and assembles district 11a, and have the first cross dimension 15 and second cross dimension 16 orthogonal with cross dimension 15, wherein the first cross dimension 15 is greater than the second cross dimension 16.Privileged direction 2 along less cross dimension 15, thus provides the lighting pattern departed from towards privileged direction 2 relative to transmitter axle 14.The example of this lighting pattern is asymmetric lighting pattern, such as, by the type III for road lighting or the IV type light distribution pattern of lighting industry association (IES) defined.
The position showing the transmitter axle 14 of the geometric center 14a through the minimum area rectangle 14b limiting LED assembling district 11 that Figure 15 B is also exemplary.
At Fig. 1,2 and 7-9 in, lens 30 to be molded at the bottom of subbase on 20.Figure 12-14 to show at the bottom of subbase 20 and comprises ceramic material 21.Figure 12-14 can find out further, and at the bottom of subbase, 20 have front surface 22 and rear surface 23, LED and assemble region 11 and be positioned on front surface 22.Light source 10 has the electrode 24 be positioned on rear surface 23, for the electrical connection of LED light source 10.
Figure 12 to best illustrate at the bottom of subbase 20 comprise on its front surface 22 three contact pad designed: positive contact liner 211p; Middle contact pad designed 211i; And cathode contact liner 211n.Eachly thisly contact pad designedly to be deposited on ceramic layer 21 by metallization process.The geometrical configuration of three contact pad designed 211p, 211i and 211n makes LED array 12 can be arranged in easily in the rectangular patterns shown in Fig. 1 and 2.According to other contact pad designed geometrical configurations multiple, other patterns many are also feasible.These type of other configurations and pattern are not limited to shown embodiment.
Figure 13 best illustrates the ceramic layer 21 it depositing contact pad designed 211 (211p, 211i and 211n).
Figure 14 shows on the rear side 23 of at the bottom of subbase 20, and installation liner 231,231p and 231n are also deposited on ceramic layer 21 by metallization process.Installing liner 231p and 231n utilizes metallization to be electrically connected to contact pad designed 211p and 211n respectively by the through hole 25 through ceramic layer 21, thus makes to install other structures that liner 231p and 231n is electrically connected to printed circuit board (PCB) 26 or light source 10.Liner 231 is installed and liner 231p and 231n electric insulation are installed, for from LED13 heat by conduction.The electric insulation installing liner 231 can be realized by solder mask.
Contact pad designed metal layer comprises titanium layer, layers of copper and silver layer in the part being positioned at aluminium nitride ceramics layer 21.Silver layer can be front side and rear side on outermost layer.Layers of copper is the intermediate layer between silver and titanium.And titanium layer can be the innermost layer being applied directly to pottery 21.Approximate thickness can be as follows: aluminium ceramic layer 309 is or is approximately 0.50 millimeter; Titanium layer 315 is or is approximately 0.06 micron; Layers of copper 317 is or is approximately 50 microns; And silver layer 319 is or is approximately 3.5 microns.
Figure 12 further illustrates the LED array 12a with 8 LED13, and wherein 4 LED13p join positive contact liner 211p to, and 4 LED13i join middle contact pad designed 211i to.LED13 by anode-side (p-type material) contact contact pad designed and join to contact pad designed accordingly on.The opposition side of each LED13 is cathode side (N-shaped material), and negative electrode side line line joins the contact pad designed with the electrical connection completing LED light source 10 of other to.Electric insulation between gap 28 between contact pad designed 211 provides.
The line that Figure 12 also show each LED13 is connected 27 as follows: the cathode side of each joining 4 LED13p of positive contact liner 211p to engages 27 lines by two closing lines and joins middle contact pad designed 211i to; And the cathode side of each joining 4 LED13i of middle contact pad designed 211i to is connected 27 lines by two lines joins cathode contact liner 211n to.
Therefore, each LED13p is connected to positive electricity terminal at contact pad designed 211p place, and first this positive pole electrical connection realizes, at installation liner 231p place, being then connected to contact pad designed 211p by through hole 25.Then, electric current flows through each LED13p, flows through line and is connected 27 to middle contact pad designed 211i.Electric current then flows through each LED13i joining middle contact pad designed 211i at anode-side place to.Then electric current then flows through cathode contact liner 211i, then flows to the negative pole installation liner 231n being connected to cathode contact liner 211n by through hole 25.
Substantially, the connection of LED array 12a is that four groups of LED13 connected are connected in parallel each other.Just contact pad designed 211p is connected to the positive terminal of DC drive circuit (not shown), and negative contact pad designed 211n is connected to the negative terminal of this drive circuit.
Two-wire on each LED13 is connected as each LED13 provides electric redundancy, thus the entirety minimizing any LED13 is damaged, if i.e., a line bond failure, then another line engages and will provide the electrical connection of needs.
Show in conjunction with detailed embodiment and describe principle of the present invention, be understandable that, this embodiment is schematic and not in any limiting sense.
Claims (76)
1. a LED light source, comprises at the bottom of subbase, and comprise the LED assembling district that aspect ratio is greater than 1 at the bottom of described subbase, LED assembles the LED array in district, and the suprabasil lens be positioned at above LED assembling district of son.
2. LED light source as claimed in claim 1, wherein, the spacing of described LED and arrangement make LED overall area at least account for about 1/3 of LED assembling region.
3. LED light source as claimed in claim 1, wherein, the spacing of described LED and arrangement make LED overall area at least account for about 2/3 of LED assembling region.
4. LED light source as claimed in claim 3, wherein, the spacing of described LED and arrangement make LED overall area at least account for about 90% of LED assembling region.
5. LED light source as claimed in claim 3, wherein, the spacing between LED is not more than about 1mm.
6. LED light source as claimed in claim 5, wherein, the spacing between LED is not more than about 0.5mm.
7. LED light source as claimed in claim 6, wherein, the spacing between LED is not more than about 0.1mm.
8. LED light source as claimed in claim 7, wherein, the spacing between LED is not more than about 0.075mm.
9. LED light source as claimed in claim 8, wherein, the spacing between LED is not more than about 0.05mm.
10. LED light source as claimed in claim 1, wherein, this aspect ratio is at least about 1.25.
11. LED light sources as claimed in claim 10, wherein, this aspect ratio is at least about 1.5.
12. LED light sources as claimed in claim 11, wherein, this aspect ratio is at least about 2.
13. LED light sources as claimed in claim 1, wherein, it is rectangle that LED assembles district.
14. LED light sources as claimed in claim 13, wherein, described array comprises at least 8 LED being arranged to every row 4 LED of two row.
15. LED light sources as claimed in claim 13, wherein, described array comprises 48 LED being arranged to every row 12 LED of four lines.
16. LED light sources as claimed in claim 1, the anaclasis being configured to LED to send is to a privileged direction.
17. LED light sources as claimed in claim 16, wherein:
-LED array limits transmitter axle; And
-described lens have outer surface and center line, and described center line departs from from the axial described privileged direction of described transmitter.
18. LED light sources as claimed in claim 16, wherein, described lens configuration is that the light for being sent by LED reflects to described privileged direction.
19. LED light sources as claimed in claim 18, wherein, described lens are asymmetrical.
20. LED light sources as claimed in claim 16, wherein, LED assembles district and has orthogonal larger and less cross dimension, and privileged direction is along less cross dimension, thus provides the lighting pattern departed from relative to the axial described privileged direction of transmitter.
21. LED light sources as claimed in claim 1, wherein, described lens are molded at the bottom of subbase.
22. LED light sources as claimed in claim 1, wherein, comprise ceramic material at the bottom of described subbase.
23. LED light sources as claimed in claim 22, wherein, described ceramic material is aluminium nitride.
24. LED light sources as claimed in claim 1, wherein, have front surface and rear surface at the bottom of described subbase, LED assembles district and is positioned on front surface, and light source is included in the electrode on rear surface further.
25. LED light sources as claimed in claim 1, wherein, it is asymmetrical that LED assembles district.
26. 1 kinds of LED light sources, comprising:
At the bottom of-subbase, comprise the LED it with LED array and assemble district, this LED assembles district and has the first and second mutually orthogonal greatest cross-section sizes, and wherein, the first cross dimension is greater than the second cross dimension; And
The suprabasil lens be positioned at above LED assembling district of-son.
27. LED light sources as claimed in claim 26, wherein, LED assembles first cross dimension in district and the ratio of the second cross dimension is at least about 1.25.
28. LED light sources as claimed in claim 27, wherein, this ratio is at least about 1.5.
29. LED light sources as claimed in claim 28, wherein, this ratio is at least about 2.
30. LED light sources as claimed in claim 26, wherein, the spacing of described LED and arrangement make LED overall area at least account for about 1/3 of LED assembling region.
31. LED light sources as claimed in claim 30, wherein, the spacing of described LED and arrangement make LED overall area at least account for about 2/3 of LED assembling region.
32. LED light sources as claimed in claim 31, wherein, the spacing of described LED and arrangement make LED overall area at least account for about 90% of LED assembling region.
33. LED light sources as claimed in claim 26, wherein, the spacing between LED is not more than about 1mm.
34. LED light sources as claimed in claim 33, wherein, the spacing between LED is not more than about 0.5mm.
35. LED light sources as claimed in claim 34, wherein, the spacing between LED is not more than about 0.1mm.
36. LED light sources as claimed in claim 35, wherein, the spacing between LED is not more than about 0.075mm.
37. LED light sources as claimed in claim 36, wherein, the spacing between LED is not more than about 0.05mm.
38. LED light sources as claimed in claim 26, wherein, it is rectangle that LED assembles district.
39. LED light sources as claimed in claim 38, wherein, described array comprises at least 8 LED being arranged to every row 4 LED of two row.
40. LED light sources as claimed in claim 38, wherein, described array comprises 48 LED being arranged in every row 12 LED of four lines.
41. LED light sources as claimed in claim 26, the anaclasis being configured to LED to send is to a privileged direction.
42. LED light sources as claimed in claim 41, wherein, described lens configuration is that the light sent by LED guides to described privileged direction.
43. LED light sources as claimed in claim 41, wherein:
-LED array limits transmitter axle; And
-described lens have outer surface and center line, and described center line departs from from the axial described privileged direction of described transmitter.
44. LED light sources as claimed in claim 43, wherein, described lens configuration is that the light for being sent by LED guides to described privileged direction.
45. LED light sources as claimed in claim 26, wherein, described lens are molded at the bottom of subbase.
46. LED light sources as claimed in claim 26, wherein, comprise ceramic material at the bottom of described subbase.
47. LED light sources as claimed in claim 46, wherein, described ceramic material is aluminium nitride.
48. LED light sources as claimed in claim 26, wherein, have front surface and rear surface at the bottom of described subbase, described LED assembles district and is positioned on front surface, and described light source is included in the electrode on rear surface further.
49. LED light sources as claimed in claim 26, wherein, it is asymmetrical that LED assembles district.
50. 1 kinds of LED light sources, comprise at the bottom of subbase, and comprise the LED assembling district that aspect ratio is greater than 1 at the bottom of described subbase, LED assembles the LED array in district, and the suprabasil non-sym lens be positioned at above LED assembling district of son.
51. LED light sources as claimed in claim 50, wherein, the spacing of described LED and arrangement make LED overall area at least account for about 1/3 of LED assembling region.
52. LED light sources as claimed in claim 50, wherein, the spacing of described LED and arrangement make LED overall area at least account for about 2/3 of LED assembling region.
53. LED light sources as claimed in claim 52, wherein, the spacing of described LED and arrangement make LED overall area at least account for about 90% of LED assembling region.
54. LED light sources as claimed in claim 52, wherein, the spacing between LED is not more than about 1mm.
55. LED light sources as claimed in claim 54, wherein, the spacing between LED is not more than about 0.5mm.
56. LED light sources as claimed in claim 55, wherein, the spacing between LED is not more than about 0.1mm.
57. LED light sources as claimed in claim 56, wherein, the spacing between LED is not more than about 0.075mm.
58. LED light sources as claimed in claim 57, wherein, the spacing between LED is not more than about 0.05mm.
59. LED light sources as claimed in claim 50, wherein, this aspect ratio is at least about 1.25.
60. LED light sources as claimed in claim 59, wherein, this aspect ratio is at least about 1.5.
61. LED light sources as claimed in claim 60, wherein, this aspect ratio is at least about 2.
62. LED light sources as claimed in claim 50, wherein, it is rectangle that described LED assembles district.
63. LED light sources as claimed in claim 62, wherein, described array comprises at least 8 LED being arranged to every row 4 LED of two row.
64. LED light sources as claimed in claim 62, wherein, described array comprises 48 LED being arranged to every row 12 LED of four lines.
65. LED light sources as claimed in claim 50, wherein:
-LED array limits transmitter axle; And
-described lens have outer surface and center line, and described center line departs from from the axial described privileged direction of described transmitter.
66. LED light sources as claimed in claim 50, wherein, LED assembles district and has orthogonal larger and less cross dimension, and described privileged direction is along less cross dimension, thus provides the lighting pattern departed from relative to the axial privileged direction of described transmitter.
67. LED light sources as claimed in claim 50, wherein, described lens are molded at the bottom of subbase.
68. LED light sources as claimed in claim 50, wherein, comprise ceramic material at the bottom of described subbase.
69. LED light sources as recited in claim 68, wherein, described ceramic material is aluminium nitride.
70. LED light sources as claimed in claim 50, wherein, have front surface and rear surface at the bottom of described subbase, LED assembles district and is positioned on front surface, and described light source is included in the electrode on rear surface further.
71. LED light sources as claimed in claim 50, wherein, it is asymmetrical that described LED assembles district.
72. LED light sources as described in claim 71, wherein, described lens are molded at the bottom of subbase.
73. LED light sources as described in claim 71, wherein,
-described LED array limits transmitter axle; And
-described lens have outer surface and center line, and described center line departs from from the axial privileged direction of described transmitter.
74. LED light sources as described in claim 71, wherein, comprise ceramic material at the bottom of described subbase.
75. LED light sources as described in claim 74, wherein, described ceramic material is aluminium nitride.
76. LED light sources as described in claim 74, wherein, have front surface and rear surface at the bottom of described subbase, LED assembles district and is positioned on front surface, and described light source is included in the electrode on rear surface further.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/441,558 US9401103B2 (en) | 2011-02-04 | 2012-04-06 | LED-array light source with aspect ratio greater than 1 |
| US13/441,558 | 2012-04-06 | ||
| PCT/US2013/035289 WO2013152201A1 (en) | 2012-04-06 | 2013-04-04 | Led-array light source with aspect ratio greater than 1 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104350327A true CN104350327A (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380024946.5A Pending CN104350327A (en) | 2012-04-06 | 2013-04-04 | Led-array light source with aspect ratio greater than 1 |
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| Country | Link |
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| CN (1) | CN104350327A (en) |
| WO (1) | WO2013152201A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895303A (en) * | 2015-12-21 | 2017-06-27 | 立碁电子工业股份有限公司 | Illumination module for producing a specific transverse rectangular illumination window |
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| US5125153A (en) * | 1989-11-09 | 1992-06-30 | Oerlikon-Contraves Ag | Method of making a hybrid electronic array |
| US20100079990A1 (en) * | 2008-09-29 | 2010-04-01 | Rene Peter Helbing | Efficient led array |
| US7733488B1 (en) * | 2007-01-26 | 2010-06-08 | Revolution Optics, Llc | Compact multi-wavelength optical reader and method of acquiring optical data on clustered assay samples using differing-wavelength light sources |
| CN102132424A (en) * | 2008-05-23 | 2011-07-20 | 克利公司 | Solid State Lighting Components |
| US20110204261A1 (en) * | 2010-01-27 | 2011-08-25 | FUSION UV SYSTEMS, INC. A Delaware Corporation | Micro-channel-cooled high heat load light emitting device |
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| US9082921B2 (en) * | 2007-10-31 | 2015-07-14 | Cree, Inc. | Multi-die LED package |
| US8388193B2 (en) * | 2008-05-23 | 2013-03-05 | Ruud Lighting, Inc. | Lens with TIR for off-axial light distribution |
| US9255686B2 (en) * | 2009-05-29 | 2016-02-09 | Cree, Inc. | Multi-lens LED-array optic system |
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2013
- 2013-04-04 CN CN201380024946.5A patent/CN104350327A/en active Pending
- 2013-04-04 WO PCT/US2013/035289 patent/WO2013152201A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5125153A (en) * | 1989-11-09 | 1992-06-30 | Oerlikon-Contraves Ag | Method of making a hybrid electronic array |
| US7733488B1 (en) * | 2007-01-26 | 2010-06-08 | Revolution Optics, Llc | Compact multi-wavelength optical reader and method of acquiring optical data on clustered assay samples using differing-wavelength light sources |
| CN102132424A (en) * | 2008-05-23 | 2011-07-20 | 克利公司 | Solid State Lighting Components |
| US20100079990A1 (en) * | 2008-09-29 | 2010-04-01 | Rene Peter Helbing | Efficient led array |
| US20110204261A1 (en) * | 2010-01-27 | 2011-08-25 | FUSION UV SYSTEMS, INC. A Delaware Corporation | Micro-channel-cooled high heat load light emitting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106895303A (en) * | 2015-12-21 | 2017-06-27 | 立碁电子工业股份有限公司 | Illumination module for producing a specific transverse rectangular illumination window |
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| WO2013152201A1 (en) | 2013-10-10 |
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