CN107062003A - Led array light source - Google Patents
Led array light source Download PDFInfo
- Publication number
- CN107062003A CN107062003A CN201611238402.0A CN201611238402A CN107062003A CN 107062003 A CN107062003 A CN 107062003A CN 201611238402 A CN201611238402 A CN 201611238402A CN 107062003 A CN107062003 A CN 107062003A
- Authority
- CN
- China
- Prior art keywords
- led array
- led
- transparent rods
- light source
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The present invention relates to a kind of LED array light source, including LED-baseplate, LED array, filter coating and transparent rods, filter coating is arranged at transparent rods outer wall, and LED array is fixed on LED-baseplate and electrically connected close to the side of transparent rods, with LED-baseplate, and LED array is arranged at the side that transparent rods are provided with filter coating.The light of LED array transmitting enters in transparent rods through filter coating, is projected after the filtered film reflection of the light in transparent rods by transparent rods one end.In this way, all light that LED array is launched can be concentrated, form a light emergence face and accumulate small spot light, it is to avoid astigmatism, the utilization rate of light is high.Above-mentioned LED array light source can be applied to concentrate the occasion of projection, easy to use and cost is low.
Description
Technical field
The present invention relates to field of photoelectric technology, more particularly to a kind of LED array light source.
Background technology
LED (Light-Emitting Diode light emitting diodes) array light source use the light emitting diode of array format for
Illuminator, has the advantages that luminous efficiency height, few power consumption, service life length and is conducive to environmental protection, is widely used in illumination.
Traditional LED array light source mainly using the structure of tiling, there is the envelope of the LED patch forms of tiling or the wafer that tiles
Dress form, whole array plane is exactly luminous flat, and light source area is very big, is unfavorable for gathering light.Therefore, traditional LED
Array light source is applied to concentrate during the occasion of projection, it is necessary to which large-scale condenser carries out optically focused, and cost is high, and there is a large amount of dissipate
Penetrating light can not utilize, and cause the utilization rate of light low.
The content of the invention
Based on this, it is necessary in view of the above-mentioned problems, offer is a kind of to be easy to optically focused, the LED array light of the utilization rate of raising light
Source.
A kind of LED array light source, including LED-baseplate, LED array, filter coating and transparent rods, the filter coating are arranged at institute
Transparent rods outer wall is stated, the LED array is fixed on the LED-baseplate close to the side of the transparent rods and LED-baseplate electricity
Connection, and the LED array is arranged at the side that the transparent rods are provided with the filter coating;
The light of the LED array transmitting enters in the transparent rods through the filter coating, the light warp in the transparent rods
Projected after the filter coating reflection by described transparent rods one end.
Above-mentioned LED array light source, by the way that the LED array for being fixed on LED-baseplate and being electrically connected with LED-baseplate is arranged on
Bright rod is provided with the side of filter coating, and filter coating is located at transparent rods outer wall, and the light of LED array transmitting can pass through filter coating and enter transparent
In rod, after the filtered film reflection of light in transparent rods in transparent rods roundtrip, finally projected by transparent rods one end.In this way,
All light that LED array can be concentrated to launch are projected by transparent rods one end, it is to avoid astigmatism, and the utilization rate of light is high.Above-mentioned LED array light
Source can be applied to concentrate the occasion of projection, easy to use and cost is low.
Brief description of the drawings
Fig. 1 is the front view of the structure of LED array light source in an embodiment;
Fig. 2 is the left view of the structure of LED array light source in an embodiment.
Embodiment
With reference to Fig. 1 and Fig. 2, the LED array light source in an embodiment, including LED-baseplate 110, LED array 120, filter coating
(not shown) and transparent rods 130.Filter coating is arranged at the outer wall of transparent rods 130;It is close that LED array 120 is fixed on LED-baseplate 110
The side of transparent rods 130, electrically connect with LED-baseplate 110, and LED array 120 be arranged at that transparent rods 130 are provided with filter coating one
Side.
The light that LED array 120 is launched enters in transparent rods 130 through filter coating, and the filtered film of light in transparent rods 130 is anti-
Projected after penetrating by the one end of transparent rods 130.
LED-baseplate 110 is used to supply the normal work of LED array 120.LED array 120 is as illuminator, by multiple photophores
Part is constituted, and can be a row or multiple rows of multiple row;The luminescent device for constituting LED array 120 is more, LED array light source
Integral luminous power is bigger.The color of light that LED array 120 is launched determines by the type of the luminescent device used, for example can be with
For blue light.Light of the filter coating for passing through the transmitting of LED array 120, and the light in reflective transparent rod 130 so that in transparent rods 130
Light roundtrip, finally by the one end of transparent rods 130 project.Specifically, filter coating is plated on along its length outer of transparent rods 130
Wall and enclosed around transparent rods 130 1, the emittance area of light is the cross-sectional area of transparent rods 130.
In one embodiment, LED-baseplate 110 is copper base.LED array 120 can produce certain heat after working long hours
Therefore amount, copper base heat dispersion, by using copper base, can avoid LED array than the perfect heat-dissipating of other types substrate
Light source produces superheating phenomenon because working long hours.It is appreciated that in other embodiments, LED-baseplate 110 also uses other classes
The substrate of type.
In one embodiment, with reference to Fig. 1 and Fig. 2, the quantity of LED-baseplate 110 and LED array 120 is two, two
LED array 120 is respectively arranged at the opposite sides of transparent rods 130.By setting LED respectively in the opposite sides of transparent rods 130
Array 120, can increase the luminous power of LED array 120, so as to increase the energy of the light of the injection of LED array light source, can apply
In the scene of high power light source need to be used.
In one embodiment, LED array 120 includes multiple blue-ray LED lamp beads 121, and blue-ray LED lamp bead 121 is fixed on LED
Substrate 110, electrically connect with LED-baseplate 110, and be arranged at the side that transparent rods 130 are provided with filter coating.Blue-ray LED lamp bead 121 is sent out
Go out the light of blueness, blue light is taken in after transparent rods 130 through filter coating, and other face are can obtain by the effect of transparent rods 130
The light of color.Accordingly, filter coating be filter blue light, reflect other colors light film.It is appreciated that in other embodiments,
LED array 120 can be constituted using the LED lamp bead 121 for sending other color of light as needed.
In one embodiment, transparent rods 130 are Ce:YAG (cerium-doped yttrium aluminum garnet) crystalline ceramics rod.Ce:The transparent potteries of YAG
Porcelain rod can inspire the light of other colors after the irradiation of LED light is received, for example, receive blue light illumination and excite feux rouges and green glow
So as to obtain gold-tinted.By using Ce:YAG crystalline ceramics rod changes the color for the light that LED array 120 is launched, it is not necessary to mix again
Other miscellaneous materials, LED array light source assembling is simple.
Ce:The scope of the amount for the Ce ions admixed in YAG crystalline ceramics rods is 0.5%-5%.Ce:YAG crystalline ceramics rods
The amount of the Ce ions of middle blending is different, and the light color of laser is different.Therefore, by using the Ce ions for admixing various concentrations
Ce:YAG crystalline ceramics rods, the light color that LED array light source is projected is different.
It is appreciated that in other embodiments, transparent optical wand 130 can also be other types or use other structures, real
Under the irradiation for receiving the light that LED array 120 is sent now, the light of other colors of laser.
In one embodiment, transparent rods 130 are shaped as strip or U-shaped.The two ends difference of the transparent rods 130 of strip
It is simple in construction positioned at opposite direction.The two ends of the transparent rods 130 of U-shaped be located at same direction, can focus utilization two ends project
Light, increases the energy of the light projected.It is appreciated that in other embodiments, transparent rods 130 may be arranged as shape.
In one embodiment, the cross section of transparent rods 130 is polygon.The cross section of transparent rods 130 is polygon, correspondence
Can be centrum, cube, multiedge cylinder etc. for transparent rods 130, so that LED array 120 can be located at a certain of transparent rods 130
Plane side, the receiving surface of light is big, can improve the utilization rate of light.
In one embodiment, with reference to Fig. 1, above-mentioned LED array light source also includes speculum 140, and speculum 140 is fixed on
By transparent rods 130 relative to speculum after the filtered film of light and the reflection of speculum 140 in bright one end of rod 130, transparent rods 130
140 other end is projected.
Speculum 140 can reflected light, prevent light from passing through.One end that transparent rods 130 are not provided with speculum 140 is used to project
Light, forms the effect of optically focused, by the way that speculum 140 is fixedly installed at one end, can focus on the light of the internal reflection of transparent rods 130 separately
One end is projected, and strengthens spotlight effect, so as to further improve utilization rate of the LED array light source to light.
Above-mentioned LED array light source, passes through the LED array that will be fixed on LED-baseplate 110 and be electrically connected with LED-baseplate 110
120 are arranged on the side that transparent rods 130 are provided with filter coating, and filter coating is located at the outer wall of transparent rods 130, the light that LED array 120 is launched
Filter coating is can pass through to enter in transparent rods 130, it is anti-back and forth in transparent rods 130 after the filtered film reflection of the light in transparent rods 130
Penetrate, finally projected by the one end of transparent rods 130.In this way, all light that LED array can be concentrated to launch are projected by transparent rods one end, keep away
Exempt from astigmatism, the utilization rate of light is high.Above-mentioned LED array light source can be applied to concentrate the occasion of projection, easy to use and cost is low.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (8)
1. a kind of LED array light source, it is characterised in that including LED-baseplate, LED array, filter coating and transparent rods, the optical filtering
Film is arranged at the transparent rods outer wall, and the LED array is fixed on the LED-baseplate close to the side of the transparent rods and institute
LED-baseplate electrical connection is stated, and the LED array is arranged at the side that the transparent rods are provided with the filter coating;
The light of the LED array transmitting enters in the transparent rods through the filter coating, and the light in the transparent rods is through described
Projected after filter coating reflection by described transparent rods one end.
2. LED array light source according to claim 1, it is characterised in that the transparent rods are Ce:YAG crystalline ceramics rods.
3. LED array light source according to claim 1, it is characterised in that the transparent rods are shaped as strip or U
Shape.
4. LED array light source according to claim 1, it is characterised in that the cross section of the transparent rods is polygon.
5. LED array light source according to claim 1, it is characterised in that also including speculum, the speculum is fixed on
Light in described transparent rods one end, the transparent rods after the filter coating and speculum reflection by the transparent rods phase
Projected for the other end of the speculum.
6. LED array light source according to claim 1, it is characterised in that the LED-baseplate is copper base.
7. LED array light source according to claim 1, it is characterised in that the LED array includes multiple blue LED lamps
Pearl, the blue-ray LED lamp bead is fixed on the LED-baseplate, electrically connected with the LED-baseplate, and is arranged at the transparent rods and sets
There is the side of the filter coating.
8. LED array light source according to claim 1, it is characterised in that the number of the LED-baseplate and the LED array
Amount is two, and two LED array are respectively arranged at the opposite sides of the transparent rods.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611238402.0A CN107062003A (en) | 2016-12-28 | 2016-12-28 | Led array light source |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611238402.0A CN107062003A (en) | 2016-12-28 | 2016-12-28 | Led array light source |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107062003A true CN107062003A (en) | 2017-08-18 |
Family
ID=59624339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611238402.0A Pending CN107062003A (en) | 2016-12-28 | 2016-12-28 | Led array light source |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107062003A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008117670A (en) * | 2006-11-06 | 2008-05-22 | Casio Comput Co Ltd | Light source device and projector |
CN105487331A (en) * | 2016-01-14 | 2016-04-13 | 张建平 | Light source assembly for projection system |
CN106098900A (en) * | 2016-07-29 | 2016-11-09 | 昆山锐峰晶体材料有限公司 | High density led light source structure and preparation method thereof |
CN107062001A (en) * | 2016-12-22 | 2017-08-18 | 毅丰显示科技(深圳)有限公司 | Light emitting diode matrix light source |
CN206637266U (en) * | 2016-12-28 | 2017-11-14 | 毅丰显示科技(深圳)有限公司 | Led array light source |
-
2016
- 2016-12-28 CN CN201611238402.0A patent/CN107062003A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008117670A (en) * | 2006-11-06 | 2008-05-22 | Casio Comput Co Ltd | Light source device and projector |
CN105487331A (en) * | 2016-01-14 | 2016-04-13 | 张建平 | Light source assembly for projection system |
CN106098900A (en) * | 2016-07-29 | 2016-11-09 | 昆山锐峰晶体材料有限公司 | High density led light source structure and preparation method thereof |
CN107062001A (en) * | 2016-12-22 | 2017-08-18 | 毅丰显示科技(深圳)有限公司 | Light emitting diode matrix light source |
CN206637266U (en) * | 2016-12-28 | 2017-11-14 | 毅丰显示科技(深圳)有限公司 | Led array light source |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102252169B (en) | High-brightness excitation method and light emitting device based on optical wavelength conversion | |
EP1769193B1 (en) | High efficiency light source using solid-state emitter and down-conversion material | |
CN101498401B (en) | Light source structure for improving light conversion efficiency by fluorescent powder | |
CN101270854A (en) | White light source device | |
CN102792094A (en) | Scattered-photon extraction-based light fixtures | |
CN102798085A (en) | Light source device and lighting device | |
CN104061453B (en) | LED lamp and light-source structure thereof | |
EP3392549A1 (en) | Light source system and illumination system | |
CN205351102U (en) | Lighting device and vehicle lighting lamp | |
KR101974349B1 (en) | Light Emitting Module and Lighting Device using the same | |
CN203587953U (en) | Light source, projection display device and optical fiber lighting device | |
CN206637266U (en) | Led array light source | |
CN104583673A (en) | A lighting device | |
CN106922178B (en) | Light emitting device | |
CN207065248U (en) | The projector lamp structure of overlength long distance | |
CN104930470A (en) | LED (light emitting diode) lamp panel structure | |
CN104930388A (en) | LED (light emitting diode) substrate stripe | |
CN101639607A (en) | Camera-used arrayed LED spotlight | |
CN107210349A (en) | Light-emitting device | |
CN107062003A (en) | Led array light source | |
CN201237142Y (en) | Array type LED flash lamp for camera | |
CN102064168A (en) | Electroluminescent/photoinduced mixed white LED chip and manufacturing method | |
CN102305386B (en) | Light source structure and method for improving light conversion efficiency based on fluorescent powder | |
CN204314590U (en) | Light-emitting device and projection arrangement | |
CN104930389A (en) | LED (light emitting diode) substrate stripe |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |