CN202305904U - Optical fiber connector of light-emitting diode (LED) light source - Google Patents
Optical fiber connector of light-emitting diode (LED) light source Download PDFInfo
- Publication number
- CN202305904U CN202305904U CN2011204202502U CN201120420250U CN202305904U CN 202305904 U CN202305904 U CN 202305904U CN 2011204202502 U CN2011204202502 U CN 2011204202502U CN 201120420250 U CN201120420250 U CN 201120420250U CN 202305904 U CN202305904 U CN 202305904U
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- light source
- led light
- fiber
- lens group
- optical fibre
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Abstract
An optical fiber connector of a light-emitting diode (LED) light source, which comprises a light source composed of LEDs of red, green and blue ( R, G and B ) colors and installed on a radiating type base plate. A light reflection bowl is arranged on the periphery of the light source, and a self-converging collimation focusing lens group is arranged at one end of the light reflection bowl. Light emitted by the light source is converged through the light reflection bowl, then light energy is focused on a multimode optical fiber in the center of an optical fiber inserting core arranged in front of the self-converging collimation focusing lens group through the self-converging collimation focusing lens group, and the light is transmitted out through the multimode optical fiber. By means of the arrangement, the optical fiber connector of the LED light source can improve light energy transmission efficiency, is simple and compact in structure, easy to assemble and disassemble and can be completely suitable for high-brightness light sources with colorful image displaying and common lighting light sources.
Description
Technical field
The relevant a kind of LED joints of optical fibre that adopt the multimode optical fiber colour mixture to produce the LED white light source of the utility model are meant that especially being applied to image shows field and lighting field, transmits the led light source joints of optical fibre of powerful visible light luminous energy.
Background technology
In the green energy resource epoch; Development along with the LED technology; Because LED has advantages such as luminescence efficiency is higher, volume is little, the life-span is long, wideer, the relative laser diode cost of the relative CCFL of colored gamut is low, thus in image display technology increasing employing LED as light source.
In the image display light source, white light normally adopts single blue led to add fluorescent powder and produces, and the wide advantage of its colour gamut is difficult to embody.Adopt the colour gamut of R, G, B three-color LED wideer comparatively speaking, adopt optical fiber to come mixed light and conduction and high power luminous energy to be more conducive to guarantee that colourity is even simultaneously, and tone also is easy to control with colour gamut.In addition, utilize all right its structure and the position in display system of flexible design of optical fiber structure.
Also have before this through the led light source joints of optical fibre of optical fiber powerful single LED led lighting power transfer; But the loss of the led light source joints of optical fibre is bigger; And structure is also comparatively complicated, is unfavorable for assembly and disassembly, so the advantage of LED and optical fiber coupling is difficult to demonstrate fully out.
The utility model content
The purpose of the utility model is to provide that a kind of employing R, G, B three-color LED diode light-source, simple and compact for structure, inner light path accurately are coupled, transfer efficiency is high, the installation and removal led light source joints of optical fibre simply and easily.
For realizing above-mentioned purpose; The led light source joints of optical fibre of implementing the utility model comprise a light source; This light source is made up of R, G, B three-color LED; This LED is installed on the base plate, and around this light source, is provided with a reflector, and an end of reflector is provided with an auto-convergence collimation focus lens group; The light that this light source sends is focused on light ray energy on the multimode optical fiber of being located at the ceramic insertion core center before the auto-convergence collimation focus lens group by auto-convergence collimation focus lens group after reflector converges light, and through this multimode optical fiber light transmission is gone out.
According to above-mentioned principal character, these led light source joints of optical fibre also are provided with front sleeve, and this front sleeve is installed on the base plate, and is provided with a receiving space in this front sleeve, and light source, reflector and auto-convergence collimation focus lens group all are contained in this front sleeve.
According to above-mentioned principal character, also be provided with a fiber orientation ring in this front sleeve, be provided with a through hole in the middle of this fiber orientation ring, fiber stub is fixed in this through hole.
According to above-mentioned principal character, it is conical that the top that this auto-convergence collimation focus lens group deviates from light source is, and the relative end of fiber stub is provided with a tapered indentations, is installed with in this tapered indentations with the front end with auto-convergence collimation focus lens group.
According to above-mentioned principal character, the other end of these led light source joints of optical fibre also is provided with a back sleeve, and this back medicament is provided with a fiber gripper ring, and an end of fiber stub is contained in this fiber gripper ring.
According to above-mentioned principal character, the luminous energy input end of auto-convergence collimation focus lens group is coated with efficient anti-reflection film, and other face of auto-convergence collimation focus lens group is coated with total reflection film.
According to above-mentioned principal character, taper surface one end of an end that deviates from light source of auto-convergence collimation focus lens group forms an output top, and this output top is provided with the plane of a diameter less than fibre diameter.
According to above-mentioned principal character, fiber stub embeds in the fiber gripper ring and becomes an integral body, and the fiber gripper ring is processed by resilient material, and is provided with assembly key in the fiber gripper ring, and optical fiber is packed into and compressed by assembly key behind the fiber gripper ring.
According to above-mentioned principal character, front sleeve is fixed on the base plate by fixed screw, and the back sleeve is provided with clasp, and front sleeve and back sleeve are through this clasp fastening.
According to above-mentioned principal character, R, G, B three-primary color LED light emitting diode accurately are welded on the base plate with heat sinking function, and the high-speed pulse control circuit is through the control of the lead-in wire on base plate LED light emitting diode.
According to above-mentioned principal character, the heat radiating type base plate is provided with heat radiator on the other surface that LED surface is set
Compared with prior art; The utility model is through being provided with reflector, auto-convergence collimation focus lens group and fiber stub; Light that can the vernier focusing visible light wave range; Thereby can improve the focusing efficiency of this led light source joints of optical fibre luminous energy, simultaneously simple and compact for structure and be easy to installation and removal, the high bright light source and the general lighting light source that show applicable to coloured image fully.
Description of drawings
Fig. 1 is the cross-sectional schematic of the led light source joints of optical fibre of enforcement the utility model.
Fig. 2 is the partial enlarged drawing shown in the circle of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is described.
See also shown in Figure 1; Be the cross-sectional schematic of the led light source joints of optical fibre of implementing the utility model, these led light source joints of optical fibre comprise: light source 101, base plate 112, reflector 104, auto-convergence collimation focus lens group 105, fiber stub 108, multimode optical fiber 110, optical fiber centering ring 103, fiber gripper 102, front sleeve 106, back sleeve 107, fixed screw 113 and heat radiator 111.
In the specific implementation; This light source 101 can be 3 LED light emitting diodes or many light emitting diodes; And the LED light emitting diode comprises R, G, B three-primary color LED light emitting diode; And this LED light emitting diode is installed on the base plate 112; And around this LED light-emitting diode group, be provided with a reflector 104; And an end of reflector 104 is provided with an auto-convergence collimation focus lens group 105, and the light that this LED light emitting diode sends is focused on RGB three coloured light heat inputs on the multimode optical fiber 110 at fiber stub 108 centers of being located at auto-convergence collimation focus lens group 105 front ends by auto-convergence collimation focus lens group 105 after reflector 104 converges light, and through this multimode optical fiber 110 light transmission is gone out.
Simultaneously; These led light source joints of optical fibre also are provided with front sleeve 106; This front sleeve 106 is installed on the base plate 112; And be provided with a receiving space (not label) in this front sleeve 106, light source 101, reflector 104 and auto-convergence collimation focus lens group 105 all are contained in this receiving space of this front sleeve 106.In addition, also be provided with a fiber orientation ring 103 in this front sleeve 106, be provided with a through hole (not label) in the middle of this fiber orientation 103, fiber stub 108 is fixed in this through hole.
As shown in Figure 2; It is conical that the top that this auto-convergence collimation focus lens group 105 deviates from the LED light emitting diode is; And fiber stub 108 relative ends (being the importation) are provided with a tapered indentations (not label); Be installed with in this tapered indentations with front end auto-convergence collimation focus lens group 105; And the tapered indentations of the output tapering part of auto-convergence collimation focus lens group 105 and the importation of fiber stub 108 has same curvature, so makes the two tight connecting, makes the loss of luminous energy transmission course minimum.Moreover the taper surface of auto-convergence collimation focus lens group 105 has special curvatures makes luminous power can focus on the output top, and the plane of a diameter less than fibre diameter arranged at the output top, and Output optical power is focused on the facet of awl point.
The other end of these led light source joints of optical fibre also is provided with a back sleeve 107, and these back sleeve 107 contents are provided with a fiber gripper ring 102, and an end of fiber stub 108 is contained in this fiber gripper ring 102.
This R, G, B three coloured light lines are mixed into white light in multimode optical fiber 110; Simultaneously can regulate the brightness ratio of R, G, B three-primary color LED light emitting diode, thereby can regulate the parameters such as colour temperature, colour gamut, tone of the high bright light source of output through being located at the peripheral high-speed pulse control circuit (not shown) of these led light source joints of optical fibre.
This multimode optical fiber is fixing through fiber gripper ring 102; And fiber stub 108 is fixed on the fiber gripper ring 102; And by optical fiber centering ring 102 location; So the luminous energy of R, G, the emission of B three-primary color LED converges through the collimation of reflector 104 again and through auto-convergence collimation focus lens group 105 luminous energy is accurately sent in the multimode optical fiber 110, as long as precision can guarantee, then can guarantee to have higher optical energy transmission efficiency fully; This kind fixed sturcture compact does not receive the influence of led light source joints of optical fibre installation and removal simultaneously.
For improving the transfer efficiency of luminous energy; The luminous energy input end of this auto-convergence collimation focus lens group 105 is coated with efficient anti-reflection film; Other face of auto-convergence collimation focus lens group 105 is coated with total reflection film, and the luminous energy in the visible wavelength range can not leaked, to improve the transfer efficiency of luminous energy.
In addition; R, G, B three-primary color LED light emitting diode accurately are welded on the base plate 112 with heat sinking function; High-speed pulse control circuit (not shown) is through the control of the lead-in wire (not shown) on the base plate 112 LED light emitting diode; And heat radiating type base plate 112 is provided with heat radiator 111 at the back side that the LED light emitting diode is installed, and the heat that produces when so guaranteeing the work of LED light emitting diode in time distributes.
Can find out by above-mentioned explanation; The focusing efficiency of the led light source joints of optical fibre luminous energy of enforcement the utility model is by the connection mechanical dimension decision of reflector, auto-convergence collimation focus lens group and fiber stub; Installation and removal are simple and reliable, simple and compact for structure, the high bright light source and the general lighting light source that show applicable to coloured image fully.
It is understandable that; Concerning those of ordinary skills; Can be equal to replacement or change according to the technical scheme and the utility model design thereof of the utility model, and all these changes or replacement all should belong to the protection domain of the appended claim of the utility model.
Claims (11)
1. led light source joints of optical fibre; Comprise a light source; This light source is made up of R, G, B three-color LED; This light source is installed on the heat radiating type base plate, and around this light source, is provided with a reflector, and an end of reflector is provided with an auto-convergence collimation focus lens group; The light that this light source sends is focused on light ray energy on the multimode optical fiber of being located at the fiber stub center before the auto-convergence collimation focus lens group by auto-convergence collimation focus lens group after reflector converges light, and through this multimode optical fiber light transmission is gone out.
2. the led light source joints of optical fibre as claimed in claim 1; It is characterized in that: these led light source joints of optical fibre also are provided with front sleeve; This front sleeve is installed on the base plate; And be provided with a receiving space in this front sleeve, light source, reflector and auto-convergence collimation focus lens group all are contained in this front sleeve.
3. the led light source joints of optical fibre as claimed in claim 2 is characterized in that: also be provided with a fiber orientation ring in this front sleeve, be provided with a through hole in the middle of this fiber orientation ring, fiber stub is fixed in this through hole.
4. the led light source joints of optical fibre as claimed in claim 1; It is characterized in that: the top that this auto-convergence collimation focus lens group deviates from light source is conical; And the relative end of fiber stub is provided with a tapered indentations, is installed with in this tapered indentations with the front end with auto-convergence collimation focus lens group.
5. the led light source joints of optical fibre as claimed in claim 4 is characterized in that: the other end of these led light source joints of optical fibre also is provided with a back sleeve, and this back medicament is provided with a fiber gripper ring, and an end of fiber stub is contained in this fiber gripper ring.
6. the led light source joints of optical fibre as claimed in claim 1 is characterized in that: the luminous energy input end of auto-convergence collimation focus lens group is coated with efficient anti-reflection film, and other face of auto-convergence collimation focus lens group is coated with total reflection film.
7. the led light source joints of optical fibre as claimed in claim 1 is characterized in that: taper surface one end of an end that deviates from light source of auto-convergence collimation focus lens group forms an output top, and this output top is provided with the plane of a diameter less than fibre diameter.
8. the led light source joints of optical fibre as claimed in claim 5; It is characterized in that: fiber stub embeds in the fiber gripper ring and becomes an integral body; The fiber gripper ring is processed by resilient material, and is provided with assembly key in the fiber gripper ring, and optical fiber is packed into and compressed by assembly key behind the fiber gripper ring.
9. the led light source joints of optical fibre as claimed in claim 8, it is characterized in that: front sleeve is fixed on the base plate by fixed screw, and the back sleeve is provided with clasp, and front sleeve and back sleeve are through this clasp fastening.
10. the led light source joints of optical fibre as claimed in claim 1 is characterized in that: R, G, B three-primary color LED light emitting diode are welded on the base plate, and the high-speed pulse control circuit is controlled the LED light emitting diode through the copper lead-in wire that covers on the base plate.
11. the led light source joints of optical fibre as claimed in claim 10 is characterized in that: base plate this as the heat radiating type base plate, and be provided with heat radiator on the other surface that LED surface is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204202502U CN202305904U (en) | 2011-10-28 | 2011-10-28 | Optical fiber connector of light-emitting diode (LED) light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204202502U CN202305904U (en) | 2011-10-28 | 2011-10-28 | Optical fiber connector of light-emitting diode (LED) light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202305904U true CN202305904U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204202502U Expired - Fee Related CN202305904U (en) | 2011-10-28 | 2011-10-28 | Optical fiber connector of light-emitting diode (LED) light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202305904U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091790A (en) * | 2011-10-28 | 2013-05-08 | 上海数字电视国家工程研究中心有限公司 | Light-emitting diode (LED) light source optical fiber connector |
| CN103591490A (en) * | 2013-11-19 | 2014-02-19 | 云南邦桥节能科技有限公司 | Outdoor optical fiber type illuminating lamp |
| CN103019468B (en) * | 2012-11-30 | 2016-02-10 | 深圳市深越光电技术有限公司 | Multi-point touch control display screen |
| CN111370982A (en) * | 2020-03-16 | 2020-07-03 | 宁波大学 | Chalcogenide optical fiber coupler for generating mid-infrared super-continuum spectrum |
-
2011
- 2011-10-28 CN CN2011204202502U patent/CN202305904U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091790A (en) * | 2011-10-28 | 2013-05-08 | 上海数字电视国家工程研究中心有限公司 | Light-emitting diode (LED) light source optical fiber connector |
| CN103091790B (en) * | 2011-10-28 | 2014-12-24 | 上海数字电视国家工程研究中心有限公司 | Light-emitting diode (LED) light source optical fiber connector |
| CN103019468B (en) * | 2012-11-30 | 2016-02-10 | 深圳市深越光电技术有限公司 | Multi-point touch control display screen |
| CN103591490A (en) * | 2013-11-19 | 2014-02-19 | 云南邦桥节能科技有限公司 | Outdoor optical fiber type illuminating lamp |
| CN111370982A (en) * | 2020-03-16 | 2020-07-03 | 宁波大学 | Chalcogenide optical fiber coupler for generating mid-infrared super-continuum spectrum |
| CN111370982B (en) * | 2020-03-16 | 2021-06-15 | 宁波大学 | Chalcogenide optical fiber coupler for generating mid-infrared super-continuum spectrum |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20151028 |
|
| EXPY | Termination of patent right or utility model |