CN2722025Y - Illuminator - Google Patents
Illuminator Download PDFInfo
- Publication number
- CN2722025Y CN2722025Y CN2004200678242U CN200420067824U CN2722025Y CN 2722025 Y CN2722025 Y CN 2722025Y CN 2004200678242 U CN2004200678242 U CN 2004200678242U CN 200420067824 U CN200420067824 U CN 200420067824U CN 2722025 Y CN2722025 Y CN 2722025Y
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- Prior art keywords
- light
- emitting device
- optical fiber
- source module
- light source
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Abstract
The utility model discloses an illuminator, comprising a light source module and a light guide device connected with the light source module. The light source module is provided with several luminous chips which can emit respectively light wave in predetermined range of wavelength, the light guide device comprises an accepting part connected with the light source module, a diverging part which is opposite to the accepting part, and a conductance part which is connected between the accepting part and the diverging part. The light wave emitted from the light source module gets into one end of the light guide device, then is mixed into an emission spectrum in the light guide device, and is emitted out from the other end, so the utility model provides a high-capacity and predetermined range of wavelength emission spectrum for illumination, signal display or detection to the specific light spectrum.
Description
[technical field]
The utility model relates to a kind of light-emitting device, refers to a kind of light-emitting device that can send predetermined wavelength range spectrum especially.
[background technology]
Since Corning Incorporated in 1970 finishes the optical fiber of every kilometer transmission loss of signal less than 20db, commercial fibre system is in beginning in 1980 test on a small scale, and up to the present, optical fiber technology is widely used in the signal transmission of remote, high multiplex's letter already; Simultaneously, also with its have that the loss of transmitting is little, good or the like the advantage of the saturating worker's property of tool, durability and weatherability, and be applied on sensing, illumination, livery or the like people's livelihood purposes.
As shown in Figure 1, be applied to the lighting device 1 of optical fiber in the past, comprised that a speculum 11, a water chestnut lens device 12, be located at the light source 13 of 12 of this speculum 11 and this water chestnut lens devices, and an optical fiber 14 that is connected in series mutually with this water chestnut lens device 12.
This speculum 11 comprises one and has the reflective concave surface 113 of a focus 111 and a main shaft 112, the light of advancing by focus 111 can be touched the light reflection of this reflective concave surface 113, makes it continue to be parallel to main shaft 112 and advances.
This water chestnut lens device 12 can be assembled the light that passes through each other by a central point 121 ground.
This light source 13 is arranged on focus 111 positions of this reflective concave surface 113, can evenly in whole space, launch white light, and the light that sends of part is advanced by the main shaft 112 that reflective concave surface 113 reflections of this speculum 11 are parallel to this reflective concave surface 113, and assembles to this central point 121 during by this water chestnut lens device 12; Part directly by the light of this water chestnut lens device 12, is assembled to this central point 121 during then directly by this water chestnut lens device 12.
This optical fiber 14 can conduct light wave, comprise an opposite receiving terminal 141 and a transmitting terminal 142, this receiving terminal 141 is attached on the central point 121 of this water chestnut lens device 12, and the photoconduction that accumulates in this central point 121 can be introduced in this optical fiber 14 and be dissipated into the external world, and uses for people's livelihood such as illumination or demonstrations.
Because the energy loss during optical fiber 14 light conducting is minimum, so almost can be with optical fiber 14 according to required any prolongation, and transmitting terminal 142 is moved to the desired location illumination, shows, so above-mentioned lighting device 1 has been widely used in introscope, the illumination that general medicine uses and has used or the like, or comply with the part of optical fiber 14 contiguous transmitting terminals 142 required, destroy a clad (not shown) of optical fiber 14, make the light can't total reflection and be transmitted through the external world, reaching the purpose of demonstration, and for example be applied on the advertisement plate.
Yet, the light source 13 of lighting device 1 in the past, it generally all is incandescent lamp, only has extremely low luminous efficiency, that is to say, in the luminous process of this light source 13, only with the form of light waves that converts to of the energy success of very small portion, and most energy dissipation is fallen (generally being form waste) with heat, and simultaneously, the light wave of successful conversion, there is part to dissipate again, has only few part by speculum 11, water chestnut lens device 12 successfully is directed in the optical fiber 14, is directed to the precalculated position by optical fiber 14 and shows, luminous, therefore, illumination in the past adorns 1 if desire improves illumination or display effect, must increase the luminous power of light source 13, but utmost point waste energy again thus is not inconsistent commercial required.
In addition, because the volume of light source 13 itself and the receiving terminal 141 of optical fiber 14 also do not match, the not only easy most of dissipation of the light that also makes light source 13 send, be difficult for simultaneously concentrating being directed in the optical fiber 14, and must increase as structures such as speculum 11, water chestnut lens devices 12, and it is required to make that the luminous efficiency of lighting device 1 is not inconsistent, and also having volume simultaneously can't reduce, and uses shortcomings such as inconvenience.
Moreover the light that the light source 13 of lighting device 1 is sent generally is white light, mixed wavelengths (multi-wavelength) just, and wave-length coverage is between 4 * 10
-7To 7 * 10
-7The mixed-color light of m, and can't be applicable to and need some specific light wave scope, for example far infrared (wavelength about 10
-4~ 10
-3M), ultraviolet ray (wavelength about 10
-8~ 10
-7M), or monochromatic light (ruddiness, blue light, green glow ... .) .. or the like special lighting instrument, for example medically the endoscope of usefulness, photoelectricity industry are shown the specific demand of the detection board or the like of colourity in order to the beam split inspection.Simultaneously, also because the receiving terminal 141 of the volume of light source 13 itself and optical fiber 14 and not matching, to such an extent as to, still can't obtain the light wave of required wavelength by the transmitting terminal 142 of optical fiber 14 even adopt several lamps that can send different colours, specific wavelength.So lighting device 1 still had many shortcomings need study improvement in the past, and be the anxious target of thinking improvement of current dealer.
[utility model content]
The purpose of this utility model is for a kind of light wave that sends particular range of wavelengths is provided, and can be complementary with light source, and improves the light-emitting device of luminous power.
For achieving the above object, the utility model provides a kind of light-emitting device, comprises a light source module, and a light guide that is connected in series mutually with this light source module, it is characterized in that:
This light source module has several luminescent wafers that can send the light wave of a predetermined wavelength range respectively, this light guide has an opposite receiving portion and and disperses portion, and one link this receiving portion and disperse the conducting part of portion, and this acceptance division and this light source module are connected.
Described light-emitting device is characterized in that:
This light-emitting device more comprise one define one the installing space radome, the receiving portion of this light source module and this light guide is to be located in jointly in this radome, and the emission part of this light guide is relatively away from this radome.
Described light-emitting device is characterized in that:
This light-emitting device more comprise one with this light source module electrical ties to control the control device of these several luminescent wafers respectively.
Described light-emitting device is characterized in that:
This control device comprises at least one drive integrated circult of optionally controlling these several luminescent wafers respectively.
Described light-emitting device is characterized in that:
This light-emitting device more comprises a heat abstractor that reclines mutually with this light source module.
Described light-emitting device is characterized in that:
This heat abstractor is a refrigerator.
Described light-emitting device is characterized in that:
This heat abstractor is a thermoelectric cooling module with temperature difference generation electric current.
Described light-emitting device is characterized in that:
This heat abstractor has most radiating fins that are provided with at interval.
Described light-emitting device is characterized in that:
The light wave that each luminescent wafer sends is between 10
-7With 10
-5Between rice.
Described light-emitting device is characterized in that:
The light wave that this luminescent wafer sends is to be selected from following light wave: ultraviolet ray, visible light, and infrared ray.
Described light-emitting device is characterized in that:
The light wave that this luminescent wafer sent is to be selected from following light wave: red visible light, blue visible light, and green visible light.
Described light-emitting device is characterized in that:
These several luminescent wafers are common integrated semiconductor wafers.
Described light-emitting device is characterized in that:
This semiconductor wafer has more most in order to control the integrated circuit that these several luminescent wafers optionally send light wave.
Described light-emitting device is characterized in that:
This luminescent wafer be selected from following: light emitting diode, and laser diode.
Described light-emitting device is characterized in that:
This laser diode be selected from following: vertical cavity surface is established the type laser diode, and the limit emitting laser transistor.
Described light-emitting device is characterized in that:
This light emitting diode be selected from following: the type light emitting diode is penetrated on the limit, and the wall emission light emitting diode.
Described light-emitting device is characterized in that:
These several luminescent wafers are to be arranged in a circle equably.
Described light-emitting device is characterized in that:
These several luminescent wafers are to be arranged in a rectangle equably.
Described light-emitting device is characterized in that:
But this light guide is the photoconductive tube of a light conducting.
Described light-emitting device is characterized in that:
This photoconductive tube is an optical fiber.
Described light-emitting device is characterized in that:
This light guide comprises most optical fiber, and each optical fiber comprises an opposite receiving terminal and and disperses end, and the receiving terminal of each optical fiber is corresponding this each luminescent wafer that links.
Described light-emitting device is characterized in that:
This light guide comprises most optical fiber, and each optical fiber comprises an opposite receiving terminal and and disperses end, and wherein the receiving terminal of at least one optical fiber is a corresponding luminescent wafer that links wherein.
Described light-emitting device is characterized in that:
This light guide comprises most optical fiber, and each optical fiber comprises an opposite receiving terminal and and disperses end, and wherein the receiving terminal of an optical fiber is corresponding these several luminescent wafers that link.
Light-emitting device of the present utility model comprises a light source module with most luminescent wafers, and a light guide that is connected in series mutually with this light source module.Each luminescent wafer of this light source module sends the light wave of a predetermined wavelength range respectively, this light guide has an opposite receiving portion and and disperses portion, reaching one links this receiving portion and disperses the conducting part of portion, this acceptance division and this light source module are connected, the light wave that those luminescent wafers are sent enters this conducting part by this acceptance division, and those light waves are mixed into one mutually in this conducting part has the emission spectrum of an emission wavelength ranges and is dispersed portion by being conducted to this, and this portion of dispersing should launch light wave and be emitted to the external world.
[description of drawings]
Fig. 1 is a schematic diagram, and the structure of lighting device in the past is described.
Fig. 2 is a schematic diagram, and the structure of the utility model light-emitting device first preferred embodiment is described.
Fig. 3 is the sectional perspective enlarged drawing of one second figure, and most luminescent wafers of a light source module and the situation that a light guide links are described.
Fig. 4 one local amplification stereogram illustrates most luminescent wafer array structures of a light source module.
Fig. 5 is a local amplification stereogram, and the array structure of the most luminescent wafers of a light source module is described.
Fig. 6 is a schematic diagram, and the structure of luminous structure second preferred embodiment of the utility model is described.
Fig. 7 is a three-dimensional cutaway view, illustrates that a vertical cavity surface establishes the aspect of type laser diode.
Fig. 8 is a schematic diagram, and vertical cavity surface is established the structure of type laser diode in the key diagram 7.
[specific embodiment]
Below by most preferred embodiment and accompanying drawing the wire rod guiding device that the utlity model has low frictional resistance coil winding machine is elaborated, in the accompanying drawing:
As shown in Figure 2, first preferred embodiment of the utility model light-emitting device 2, comprise radome 23, a control device 24 that a light source module 21, a light guide 22, define an installing space 231, an and heat abstractor 25, can send the light wave of predetermined wavelength range, and be applied on sensing, illumination, livery or the like people's livelihood purposes.
This light source module 21 is to be installed in the installing space 231 of this radome 23, has most luminescent wafers 211, and this each luminescent wafer 211 can send the light wave of a predetermined wavelength range respectively.In this example, this each luminescent wafer 211 is three can send red visible light, blue visible light respectively, and the light emitting diode of green visible light.
Above-mentioned luminescent wafer can directly be selected from the present research and development use, and the light wave scope of sending is between 10
-7With 10
-5Vertical cavity surface between rice is established type laser diode (VerticalCavity Surface Emitting Laser), or limit emitting laser transistor (Edge-Emitting Semiconductor Laser), or type light emitting diode (Edge-Emitting Light Emitting Diode) is penetrated on the limit, or wall emission light emitting diode (Surface-Emitting Light Emitting Diode), being familiar with photoelectricity skill personage all knows, under this wave-length coverage, can select luminescent wafer to send light wave easily is ultraviolet ray, visible light, or infrared ray, the light wave that also can select to send is red visible light, blue visible light, or green visible light, or with the very ripe manufacture of semiconductor technology of present industry technology, productive set is made the semiconductor wafer that comprises those luminescent wafers 211, with the volume of reduction light source module 21 itself.Because this part skill is not emphasis of the present utility model place, so not explanation in detail one by one.
In addition, the arrangement mode of those luminescent wafers 211, because present embodiment only has three luminescent wafers, therefore, can only be arranged in triangular shape as shown in Figure 3, and work as luminescent wafer 211 numbers for a long time, then can optionally be arranged in rectangle as shown in Figure 4, or circle as shown in Figure 5, can certainly be arranged in arbitrary shape, because this only is the design alteration of simple position partly, so no longer add to give unnecessary details for example at this.
This light guide 22 can conduct light wave, comprise an opposite receiving portion 221 and and disperse portion 222, reaching one links this receiving portion 221 and disperses the conducting part 223 of portion 222, this receiving portion 221 is formed by three receiving terminals, 224 boundlings, and each receiving terminal 224 and a luminescent wafer 211 corresponding bindings wherein of this light source module 21, and be installed in jointly in this installing space 231 with this light source module 21, the light wave that this light source module 21 is sent is entered by this acceptance division 221, have the emission spectrum of an emission wavelength ranges and dispersed portion 222 by being conducted to this and in this conducting part 223, be mixed into one mutually, disperse portion 222 by this again and should launch light wave and be emitted to the external world.
In this example, because this three luminescent wafer 211 is launched red, blue, green three look visible lights respectively, demonstrate mutual mixed white spectrum so disperse portion 222 at this, if it is intermittently luminous for example to send the luminescent wafer 211 of red visible light, then this disperse portion 222 show intermittently white spectrum (ruddiness+blue light+green glow) and cyan spectrum (blue light+green glow), it is luminous in every way also can to control different luminescent wafer 211, and demonstrate the spectrum of various predetermined different colours, illustrate no longer one by one at this.Certainly, if those luminescent wafers 211 are to select the optical wavelength scope 10 of sending for use
-7To 4 * 10
-7The ultraviolet light of m, because the optical wavelength that each luminescent wafer 211 is sent always has a little error, therefore after in this light guide 22, interfering mutually, can obtain a wave-length coverage stablizes and uniform ultraviolet light, disperse portion 222 by this and be emitted to the external world, and be applicable to that more particular case such as medical treatment are detected, detection beam split usefulness, because this kind selects for use collocation numerous, no longer add to illustrate at this.
Moreover, light guide 22 can directly adopt the mode boundling of single optical fiber or most optical fiber to form optical cable, and with the corresponding wherein luminescent wafer 211 that links of each optical fiber, make the portion of dispersing 222 be emitted to extraneous light wave, be the specific light wave scope that shows each luminescent wafer 211, or wherein an optical fiber correspondence links the luminescent wafer 211 of predetermined number, and show above-mentioned each luminescent wafer 211 mutual result that merge that interfere, because this kind connected mode is numerous, no longer adds to give unnecessary details for example at this.
This control device 24 electrically connects mutually with this light source module 21, comprise at least one drive integrated circult (drive IC), reach one and can write most formulas to control the calculator (not shown) of these drive integrated circults, and can control those drive integrated circults by the formula that this calculator writes, and optionally make those luminescent wafers 211 respectively according to the required light wave that sends.
This heat abstractor 25 is the thermoelectric cooling modules with temperature difference generation electric current, comprise most the setting at interval with the radiating fin 251 of increase with extraneous contact area, be installed on the outer surface of this radome 23, and the hot type that light source module 21 is produced from this light-emitting device 2 to the external world.
During the utility model light-emitting device 2 actual uses, be luminous with most luminescent wafers 211 of control device 24 control light source modules 21 earlier, and it is the heat guiding structure that light source module 21 sends is extremely extraneous by heat abstractor 25, in order to avoid the overheated light-emitting device 2 that makes burns, with light guide 22 photoconduction of light source module 21 being drawn makes it relatively away from light source module 21 positions again, and in the luminous demonstration in another precalculated position, because light source module 21 is formed with most luminescent wafer 211, therefore light guide 22 can seal fully and link those luminescent wafers 211, the light that these luminescent wafers 211 are sent is directed in the light guide 22 fully, conduct in the precalculated position again and be dissipated into the external world, and the maximum luminous power of acquisition, with the light emitting diode is example, because its volume is minimum, the illuminating part of each light emitting diode can be embedded in this receiving portion 221, and its light wave that sends is entered in this light guide 22 fully, be dissipated into the external world by the portion of dispersing 222 again, and reach purposes such as illumination or demonstration.
As shown in Figure 6, second preferred embodiment of the utility model light-emitting device is similar to this first preferred embodiment, and it does not exist together and only more comprises a beam condensing unit 27 at this light-emitting device 2 ', and a means for diverging 26, the present does not only exist together with regard to itself and this first preferred embodiment and is illustrated.
This beam condensing unit 27 can be assembled the light wave that passes through to a predetermined point 271, convex lens for example, be installed in 22 of light source module 21 and light guides, and this predetermined point 271 coincides with a center of these light guide 22 receiving portions 221, and the light wave that this light source module 21 is sent is more completely assembled, its conduction is entered in this light guide 22.
This means for diverging 26 can evenly be dispersed the light wave that passes through along a central shaft 261, concavees lens for example, be installed in outside the portion of dispersing 222 of this light guide 22, and this can be dispersed the light wave that portion 222 launches, be dissipated into the external world more equably, simultaneously, also can make light wave be dissipated into the external world by the adjustment of these means for diverging 26 central shafts 261 directions towards predetermined direction.
As Fig. 7, shown in 8, vertical cavity surface is established type laser diode 3 (VCSELvertical cavity surface emitting laser) and is comprised two Bragg mirrors 31 that are provided with relatively, 31 ' (DBR distributed Bragg reflector), reach one and be positioned at this two Bragg mirror 31, start district 32 between 31 ' (active region), this two Bragg mirror 31,31 ', with these start district 32 common short and efficient vertical cavities that form, and be easy to produce single longitudinal mode and single-frequency concussion send by photoelectric effect the laser light of circular symmetry (since this partly technology be not the utility model emphasis place, so do not give unnecessary details in detail), simultaneously because this kind structure is easy to make the laser array of two dimension, also be easy to directly on wafer, test, therefore extremely be fit to a large amount of and low-cost production.The 3rd preferred embodiment of the utility model light-emitting device, promptly be to utilize above-mentioned vertical cavity surface to establish type laser diode 3 can send single-frequency laser, better to be thrown light on, to be shown effect, certainly, vertical cavity surface is established the type laser diode also can the limit emitting laser transistor, or the limit penetrates the type light emitting diode, or the wall emission light emitting diode is simply used instead, below only establishing the type laser diode with vertical cavity surface is example, and with above-mentioned first and second preferred embodiment explanation in detail that do not exist together.
The 3rd preferred embodiment of the utility model light-emitting device is the laser module that has most semiconductor structures with, replace the light source module 21 in above-mentioned first and second preferred embodiment, this each semiconductor structure all comprises structures such as above-mentioned Bragg mirror 31,31 ', start district 32, with the manufacture of semiconductor productive set on a substrate, send the laser light of predetermined wavelength range respectively, for example the visible light of different colours such as redness, blueness, green.Because the feature of laser light is high strength, single-frequency, same tone, and directive property, and the volume that forms with the semiconductor productive set is littler, therefore, when being applied to send light wave in the light-emitting device 2,2 ', not only luminous power is higher, simultaneously, more can send the coloured light of single-frequency, and be applicable to majority need specific frequency spectrum detecting, inspect in the instrument.
It is above-mentioned to combine institute, the utility model light-emitting device 2,2 ', the acceptance division 221 because volume of light source module 21 and laser module is little with light guide 22 is complementary, and the fiber waveguide of sending can be introduced light guide 22, conduct to behind the precalculated position for illumination again, show and use etc., and then can improve the light source of lighting device 1 in the past, do not match with optical fiber 14 volumes, and waste the shortcoming of most of luminous energy; Simultaneously, because light source module 21 and laser module selectively send the light wave of predetermined wavelength range, and can control this each luminescent wafer 211, or the light-emitting mode of the semiconductor structure of laser module, therefore, not only can send the light of specific wavelength, be applicable to the medical introscope that needs some special wavelength scope, or detect and use, also can be used for the photoelectricity spy and state the beam split detection, or the simple coloured light that demonstrates different colours according to need, for illumination, show, sign or the like the people's livelihood or amusement demand, lighting device 1 can't be with the light wave illumination of particular range of wavelengths and can improve in the past, the shortcoming that shows is so can reach the purpose of this utility model really.
Claims (23)
1. a light-emitting device comprises a light source module, and a light guide that is connected in series mutually with this light source module, it is characterized in that:
This light source module has several luminescent wafers that can send the light wave of a predetermined wavelength range respectively, this light guide has an opposite receiving portion and and disperses portion, and one link this receiving portion and disperse the conducting part of portion, and this acceptance division and this light source module are connected.
2. light-emitting device as claimed in claim 1 is characterized in that:
This light-emitting device more comprise one define one the installing space radome, the receiving portion of this light source module and this light guide is to be located in jointly in this radome, and the emission part of this light guide is relatively away from this radome.
3. light-emitting device as claimed in claim 1 is characterized in that:
This light-emitting device more comprise one with this light source module electrical ties to control the control device of these several luminescent wafers respectively.
4. light-emitting device as claimed in claim 3 is characterized in that:
This control device comprises at least one drive integrated circult of optionally controlling these several luminescent wafers respectively.
5. light-emitting device as claimed in claim 1 is characterized in that:
This light-emitting device more comprises a heat abstractor that reclines mutually with this light source module.
6. light-emitting device as claimed in claim 5 is characterized in that:
This heat abstractor is a refrigerator.
7. light-emitting device as claimed in claim 5 is characterized in that:
This heat abstractor is a thermoelectric cooling module with temperature difference generation electric current.
8. light-emitting device as claimed in claim 5 is characterized in that:
This heat abstractor has most radiating fins that are provided with at interval.
9. light-emitting device as claimed in claim 1 is characterized in that:
The light wave that each luminescent wafer sends is between 10
-7With 10
-5Between rice.
10. light-emitting device as claimed in claim 1 is characterized in that:
The light wave that this luminescent wafer sends is to be selected from following light wave: ultraviolet ray, visible light, and infrared ray.
11. light-emitting device as claimed in claim 1 is characterized in that:
The light wave that this luminescent wafer sent is to be selected from following light wave: red visible light, blue visible light, and green visible light.
12. light-emitting device as claimed in claim 1 is characterized in that:
These several luminescent wafers are common integrated semiconductor wafers.
13. light-emitting device as claimed in claim 12 is characterized in that:
This semiconductor wafer has more most in order to control the integrated circuit that these several luminescent wafers optionally send light wave.
14. light-emitting device as claimed in claim 1 is characterized in that:
This luminescent wafer be selected from following: light emitting diode, and laser diode.
15. light-emitting device as claimed in claim 14 is characterized in that:
This laser diode be selected from following: vertical cavity surface is established the type laser diode, and the limit emitting laser transistor.
16. light-emitting device as claimed in claim 14 is characterized in that:
This light emitting diode be selected from following: the type light emitting diode is penetrated on the limit, and the wall emission light emitting diode.
17. light-emitting device as claimed in claim 1 is characterized in that:
These several luminescent wafers are to be arranged in a circle equably.
18. light-emitting device as claimed in claim 1 is characterized in that:
These several luminescent wafers are to be arranged in a rectangle equably.
19. light-emitting device as claimed in claim 1 is characterized in that:
But this light guide is the photoconductive tube of a light conducting.
20. light-emitting device as claimed in claim 19 is characterized in that:
This photoconductive tube is an optical fiber.
21. light-emitting device as claimed in claim 1 is characterized in that:
This light guide comprises most optical fiber, and each optical fiber comprises an opposite receiving terminal and and disperses end, and the receiving terminal of each optical fiber is corresponding this each luminescent wafer that links.
22. light-emitting device as claimed in claim 1 is characterized in that:
This light guide comprises most optical fiber, and each optical fiber comprises an opposite receiving terminal and and disperses end, and wherein the receiving terminal of at least one optical fiber is a corresponding luminescent wafer that links wherein.
23. light-emitting device as claimed in claim 1 is characterized in that:
This light guide comprises most optical fiber, and each optical fiber comprises an opposite receiving terminal and and disperses end, and wherein the receiving terminal of an optical fiber is corresponding these several luminescent wafers that link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2004200678242U CN2722025Y (en) | 2004-06-01 | 2004-06-01 | Illuminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2004200678242U CN2722025Y (en) | 2004-06-01 | 2004-06-01 | Illuminator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2722025Y true CN2722025Y (en) | 2005-08-31 |
Family
ID=35012397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2004200678242U Expired - Fee Related CN2722025Y (en) | 2004-06-01 | 2004-06-01 | Illuminator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2722025Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101390451B (en) * | 2006-02-23 | 2012-07-04 | 松下电器产业株式会社 | Led illumination device |
| CN101836038B (en) * | 2007-11-19 | 2013-09-18 | 肖特公司 | Hybrid illumination apparatus and method |
| TWI601393B (en) * | 2015-09-22 | 2017-10-01 | 呂海涵 | A 20-gbps optical lifi transport system |
| CN107420779A (en) * | 2017-08-15 | 2017-12-01 | 杨林 | Full-color laser fiber means of illumination and system |
-
2004
- 2004-06-01 CN CN2004200678242U patent/CN2722025Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101390451B (en) * | 2006-02-23 | 2012-07-04 | 松下电器产业株式会社 | Led illumination device |
| CN101836038B (en) * | 2007-11-19 | 2013-09-18 | 肖特公司 | Hybrid illumination apparatus and method |
| TWI601393B (en) * | 2015-09-22 | 2017-10-01 | 呂海涵 | A 20-gbps optical lifi transport system |
| CN107420779A (en) * | 2017-08-15 | 2017-12-01 | 杨林 | Full-color laser fiber means of illumination and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050831 Termination date: 20100601 |