CN106361256A - Light source device, light emitting method and endoscope system - Google Patents
Light source device, light emitting method and endoscope system Download PDFInfo
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- CN106361256A CN106361256A CN201610739149.0A CN201610739149A CN106361256A CN 106361256 A CN106361256 A CN 106361256A CN 201610739149 A CN201610739149 A CN 201610739149A CN 106361256 A CN106361256 A CN 106361256A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0638—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements providing two or more wavelengths
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0653—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements with wavelength conversion
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Abstract
The invention discloses a light source device, a light emitting method and an endoscope system. According to the invention, a plurality of light emitting elements are combined, and by synthesizing white broadband light, which has a special wavelength band (capable of assisting in executing narrow-band observation), in a combined mode, a narrow-band observation mode can be executed. An electronic endoscope light source scheme provided by the invention, by virtue of the plurality of combined light emitting elements, is stable and reliable in performances and is capable of well replacing an existing xenon lamp scheme, so as to effectively solve problems in the prior art.
Description
Technical field
The present invention relates to endoscopic technique is and in particular to be used for providing the light supply apparatuses of light source to endoscope.
Background technology
In recent years, fujinon electronic video endoscope is widely used to medical diagnosiss and treatment.Fujinon electronic video endoscope is configured with elongated inserting
Enter part, the body cavity of its insertion detected object, it is provided with the image-forming components such as ccd at the front end of insertion portion.Fujinon electronic video endoscope and light
Source device connects, light supply apparatuses inside to irradiate body cavity from the top emission light of insertion portion.
Light supply apparatuses use white light source, all if the xenon lamp of the white broadband light of transmitting, its wave-length coverage is from blue region
To red light region.Observe capillary vessel etc. for convenience and there is being organized by inspection of irregular surface profile, generally include common observation
Dye observing pattern with light splitting, (as green in the blue light of 420nm and 520nm using white broadband light, specific wavelength narrow band light respectively
Light) illumination chamber.Wherein, light splitting dyeing observing pattern, in addition to the blue green light needing specific wavelength, also needs to meet specific light
Amount requires than (strength ratio).
Commonly use xenon lamp for having in the existing light supply apparatuses of above two observing pattern, but because its presence makes
Need to often be changed with short life, start slow, hot declining and the shortcomings such as energy consumption is big, expensive, and with highlighted led
The development of technology, existing document introduction adopts led as the lighting source of fujinon electronic video endoscope.
But because the wavelength band of Conventional white led is 420-700nm, its in 420nm about light quantity less, filter
The blue green light light amount ratio obtaining after light cannot meet the requirement of cbi observing pattern.Additionally, also symbol can be obtained by way of customization
Close the white light led requiring, but it is expensive, be unfavorable for using.
Content of the invention
For existing fujinon electronic video endoscope light supply apparatuses the problems of in terms of lighting source, the purpose of the present invention exists
In a kind of light supply apparatuses with efficient electric light sources of offer.
Meanwhile, also provide corresponding luminescent method for this light supply apparatus, to improve the performance of light supply apparatuses.
Furthermore, based on above-mentioned light supply apparatuses, improve the endoscopic system using this light supply apparatus further.
In order to achieve the above object, the present invention adopts the following technical scheme that:
In a first aspect, providing a kind of light supply apparatuses, this light supply apparatus includes:
Multiple light-emitting components, the plurality of light-emitting component projects the illumination light of different wave length band；
Light path combining unit, the illumination light that described light path combining unit projects to multiple light-emitting components synthesizes；
Control unit, described control unit adjusts multiple light-emitting components and projects and coordinates between illumination light, enables light supply apparatuses extremely
Few switching between the first light illumination mode and the second light illumination mode, projects white broadband light in the first light illumination mode, in the second photograph
Bright pattern projects the narrow narrowband wavelength light of white broadband light described in wavelength band width ratio.
Further, described light-emitting component is multiple monochrome led modules with continuous wavelength band.
Further, described light-emitting component is respectively white light led module and blue light led module.
Further, described blue light led module can launch the blue light that wavelength band is 405-425nm, and white light led module can
Launch the white light that wavelength band is 420-700nm.
Further, the wavelength band of described white broadband light is 400-700nm.
Further, described control unit by adjust multiple light-emitting components project intensity relation between illumination light Lai
Control is given out light.
Further, in described light supply apparatuses, whether the white broadband light by controlling multiple light-emitting components to send is filtered
Light, forms white broadband light or narrowband wavelength light, to switch between the first light illumination mode and the second light illumination mode.
Further, described light supply apparatuses pass through to control the switch of multiple light-emitting components, form white broadband light or arrowband
Wavelength light, to switch between the first light illumination mode and the second light illumination mode.
Second aspect, provides a kind of luminescent method, by projecting the light-emitting component with illumination light for the different wave length by multiple
Combine, so that multiple light-emitting components is projected and cooperate between illumination light, form the white broadband light meeting common observation.
Further, the wavelength band of described white broadband light is 400-700nm.
The third aspect, provides a kind of endoscopic system, adopts above-mentioned efficiency light including light supply apparatuses described in light supply apparatuses
Source device.
The fujinon electronic video endoscope that the present invention provides adopts knockdown multiple light-emitting components with light source package, and its stable performance can
By property, can be good at substituting existing xenon lamp scheme, the problems of effectively solving prior art.
Furthermore, the fujinon electronic video endoscope light source package that the present invention provides, it also has low cost, the spy of long service life
Point, and also there is the advantages of startup is fast, and energy consumption is low, heat declines little when using, practical and application prospect is good.
Brief description
To further illustrate the present invention below in conjunction with the drawings and specific embodiments.
Fig. 1 is the principle line frame graph of light supply apparatuses in present example 1；
Fig. 2 is the spectrum character diagram of the white broadband light that multiple monochrome led modules irradiate after combining in present example 2；
Fig. 3 is that in present example 2, multiple monochrome led modules pass through the schematic diagram that switch obtains white broadband light；
Fig. 4 is that in present example 2, multiple monochrome led modules pass through the schematic diagram that switch obtains narrow band light；
Fig. 5 is that in present example 3, multiple monochrome led modules pass through optical filtering to obtain the schematic diagram of white broadband light；
Fig. 6 is that in present example 3, multiple monochrome led modules pass through optical filtering to obtain the schematic diagram of narrow band light；
Fig. 7 (a) is the spectrum character diagram of the light that white light led module irradiates；
Fig. 7 (b) is the spectrum character diagram of the narrow band light irradiated after white light led module filters；
Fig. 7 (c) is the spectrum character diagram of the light that blue light led module irradiates；
Fig. 7 (d) is the spectrum character diagram of the white broadband light after white light led module and the combination of blue light led module；
Fig. 7 (e) is the spectrum character diagram after white broadband light filters after combination；
The spectrum character diagram of the white light that Fig. 8 (a) irradiates for xenon lamp；
Spectrum character diagram after the white light optical filtering that Fig. 8 (b) irradiates for xenon lamp.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention realizes are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
The fujinon electronic video endoscope light supply apparatuses that the present invention provides, by combining multiple light-emitting components, to combine
Mode synthesize the white broadband light with specific wavelength band (can coordinate execution arrowband observe) such that it is able to the sight of execution arrowband
Examine pattern.
This programme, by way of illuminated in combination element, makes the white broadband light that light source sends wide with the white that xenon lamp sends
Wave-length coverage with light is basically identical, so that in actual applications, can be able to be obtained by the existing xenon source of slight improvements
Obtain LED light source.
Additionally need explanation, the light source being directed in the present invention program is not limited to LED light source, be equally applicable to other need
Want the lighting source of light filling.
Based on above-mentioned principle, carry out further instruction this programme below by way of specific example approach.
Example 1
Referring to Fig. 1, it show the principle line frame graph of the light supply apparatuses provide in this example.As seen from the figure, this light source dress
Put the multiple light-emitting components 1 of main inclusion, control unit 2, light path combining unit 3 and switching mechanism 4.
Therein, multiple light-emitting components 1 can project the illumination light of different wave length band, the illumination light of these different wave length bands
Between the white broadband light with specific wavelength band is combined into by complementation.
That is, each light-emitting component 1 sends the illumination light of different wavelength bands, but these different wave length bands are even each other
Continuous, thus pass through the white broadband that complementation is combined into having specific wavelength band between the illumination light of these different wave length bands
Light.
Here multiple light-emitting components are at least two light-emitting components.
The wavelength band of white broadband light here is 400-700nm, thus passes through between the plurality of light-emitting component 1 to combine structure
Become the white light source of light supply apparatuses, meet fujinon electronic video endoscope and commonly observed the requirement observed with light splitting dyeing.
Control unit 2, it is used for adjusting the fit system between multiple light-emitting components 1, so that light supply apparatuses finally can be extremely
Few injection meets the first illumination light of common observing pattern (i.e. the first light illumination mode) and meets arrowband observing pattern (i.e. second
Light illumination mode) the second illumination light.Wherein first illumination light is the white broadband light of 400-700nm for wavelength band, the second photograph
Mingguang City is the narrow narrowband wavelength light of wavelength band width ratio white broadband light, for example, can be blue narrow band light and green narrow band light.
In this example, this control unit 2, especially by the intensity relation adjusting between multiple light-emitting components injection light, comes
Realize the fit system between the multiple light-emitting component of accurate adjustment 1, to ensure that light supply apparatuses can project the of particular light ratio
One illumination light or the second illumination light.
Light path combining unit 3, it is used for controlling each illumination light projecting to synthesize through control unit 2 multiple light-emitting components 1,
And so that it is uniformly distributed according to predetermined strength.
In this example, this light path combining unit can adopt existing light path synthesizer, be not repeated here herein.
Switching mechanism 4, it is used for coordinating with control unit 2, the synthesis light of light path combining unit 3 synthesis is processed, is formed
First illumination light or the second illumination light.
When coordinating with fujinon electronic video endoscope, can be according to the observing pattern of fujinon electronic video endoscope (as common observing pattern or arrowband
Observing pattern), switch to the first light illumination mode or the second light illumination mode in real time, to project the first illumination light or the second illumination light,
Meet the observing pattern of fujinon electronic video endoscope.
Due to being constituted the white light source of light supply apparatuses in this example with the combination of multiple light-emitting components 1, for this reason, in this example
Switching mechanism 4 can be using the following two kinds mode realizing:
Mode 1: switching mechanism 4 to be constituted using optical filter, it is arranged with respect to the output of light path combining unit 3, for right
The illumination light of light path combining unit 3 synthesis is filtered, to produce the wavelength band width ratio white narrow narrowband wavelength light of broadband light, that is,
Second illumination light；Corresponding, if the illumination light of light path combining unit 3 synthesis filters without optical filter, directly output wavelength
Carry the white broadband light for 400-700nm, i.e. the first illumination light.
In this fashion, by whether controlling the synthesis light of light path combining unit 3 output by the switching being made up of optical filter
Mechanism 4 is as follows to realize switching output between the first illumination light and the second illumination light for the light supply apparatuses, detailed process:
Control unit 2 in light supply apparatuses controls multiple light-emitting component 1 to send the illumination light of different wave length band, these different ripples
It is combined into the white broadband light with specific wavelength band (400-700nm) between the illumination light of long band.
The illumination light of these different wave length bands is the white broadband of 400-700nm through light path combining unit 3 synthetic wavelength band
Light.
Observing pattern according to fujinon electronic video endoscope is controlling the white broadband light whether to light path combining unit 3 synthesis for the optical filter
Filtered；If arrowband observing pattern, then the wavelength band that optical filter synthesizes to light path combining unit 3 is controlled to be 400-700nm's
White broadband light is filtered, and produces the narrow narrowband wavelength light of wavelength band width ratio white broadband light, so that fujinon electronic video endoscope enters
Row arrowband is observed；If common observing pattern, then optical filter is controlled to be not 400- to the wavelength band of light path combining unit 3 synthesis
The white broadband light of 700nm is filtered, and direct output wavelength band is the white broadband light of 400-700nm, to peep in electronics
Mirror is commonly observed.
Here for the control filtering, can be realized by various ways, enter such as by control optical filter or exit defeated
Go out light path, to realize the control that filters and do not filter；Also can be by controlling whether the direction of output light path is realized by optical filter
Filter and do not filter control.
Furthermore, control for specific, can be realized by the control unit 2 in light supply apparatuses it is also possible to by other control units
Part is realizing.
Mode 2: switching mechanism 4 to be realized by the control unit 2 in light supply apparatuses, directly to control multiple by control unit 2
Optical element 1 sends the illumination light of different wave length band, and thus can directly be combined into the white broadband light that wavelength band is 400-700nm
The narrow narrowband wavelength light (i.e. the second illumination light) of (i.e. the first illumination light) or wavelength band width ratio white broadband light.
In this fashion, multiple light-emitting components 1 are controlled directly to form white broadband light (i.e. the first illumination light) by control unit 2
Or the narrowband wavelength light (i.e. the second illumination light) that wavelength band width ratio white broadband light is narrow, and it is achieved in switching between the two
Output, detailed process is as follows:
Control unit 2 in light supply apparatuses controls multiple light-emitting components 1 to send not according to the observing pattern of fujinon electronic video endoscope
The illumination light of co-wavelength band: if common observing pattern, then control multiple light-emitting component 1 to send the illumination light of different wave length band,
The illumination light of these different wave length bands is directly synthesized, through light path combining unit 3, the white broadband that output wavelength band is 400-700nm
Light, so that fujinon electronic video endoscope is commonly observed；
If arrowband observing pattern, then multiple light-emitting component 1 is controlled to send the illumination light of different wave length band, these different ripples
The illumination light of long band is directly synthesized the output wavelength bandwidth narrowband wavelength light narrower than white broadband light through light path combining unit 3,
So that fujinon electronic video endoscope carries out arrowband observation.
Example 2
This example, on the basis of example 1 scheme, combines conducts from multiple monochrome led modules with continuous wavelength band
Light-emitting component.
Here multiple monochrome led modules with continuous wavelength band are that each monochromatic led module sends different wavelength
The illumination light of band, but these different wave length bands are continuous each other.
Therefore multiple monochrome led module can project the illumination light of different wave length band respectively, but between these different wave length bands
Can be complementation, be combined into continuous wavelength band.Thus, it is equipped between multiple monochrome led modules, so that the difference sending
It is combined into continuous between the illumination light of wavelength band in the way of combining light filling, there is the white broadband light of specific wavelength band.
Referring to Fig. 2, the spectrum character diagram of its white broadband light irradiated after showing multiple monochrome led module combinations.From
In figure is visible, and the light-emitting component 1 of this example selects multiple wavelength bands continuously monochromatic led module, is sent specific by combination
The white broadband light of wavelength band, the white broadband wavelength bands that this white broadband light and white light xenon source send are basically identical,
It is about 400-700nm, can be used for the common observation of fujinon electronic video endoscope.
On this basis, the illumination luminous energy for multiple monochrome led module combinations with continuous wavelength band can be made to send
It is enough in arrowband to observe, this example passes through to control the switch of specific monochrome led module in multiple monochrome led modules, realizes arrowband
Light output is such that it is able to execute arrowband observing pattern.
Referring to Fig. 3 and 4, it show using multiple monochrome led modules as light-emitting component in this example, and passes through multiple lists
Color led module switch is to obtain the schematic diagram of white broadband light and narrow band light.
As seen from the figure, whole light supply apparatuses mainly include some monochromatic led module 1a-1n, control unit 2 and light accordingly
Road combining unit 3 three part.
Wherein, some monochrome led module 1a-1n, for sending the illumination light of corresponding different wave length band.
Control unit 2, for controlling the switch of some monochrome led module 1a-1n, so that being combined into wavelength band is 400-
The white broadband light (i.e. the first illumination light) of 700nm or the wavelength band width ratio white narrow narrowband wavelength light of broadband light (i.e. second
Illumination light).
Light path combining unit 3, the illumination light of different wave length band for sending to some monochrome led modules carries out synthesizing defeated
Go out.
Accordingly, control unit 2 passes through to control the switch of some monochromatic led module 1a-1n, to realize the first illumination light or the
The output of two illumination light, the observing pattern different to meet fujinon electronic video endoscope.
Referring to Fig. 3, if desired export white broadband light, during meeting the common observing pattern of fujinon electronic video endoscope, control unit 2 is controlled
System all of monochrome led module is opened, and these monochromatic led modules produce the illumination light of different wave length band, these different wave length bands
Illumination light through light path combining unit 3 be directly synthesized output wavelength band be 400-700nm white broadband light to peep in electronics
Mirror is commonly observed.
Referring to Fig. 4, if desired export narrowband wavelength light, during meeting fujinon electronic video endoscope arrowband observing pattern, can be by opening
The monochromatic led module closing certain several specific wavelength band is realized filtering, and exports narrowband wavelength light.Wherein control unit 2 controls some lists
Partly monochromatic led module in color led module 2 is opened, other closing, and the monochromatic led module partially opening produces difference ripples
The illumination light of long band, the illumination light of these different wave length bands is directly synthesized output wavelength bandwidth than white through light path combining unit 3
The narrow narrowband wavelength light of color broadband light, so that fujinon electronic video endoscope carries out arrowband observation.
Example 3
This example, on the basis of example 2 scheme, realizes arrowband light output such that it is able to execution is narrow by arranging optical filter
Band observing pattern.
Referring to Fig. 5 and 6, it show in this example to have multiple monochrome led modules of continuous wavelength band as luminous
Element, and by multiple monochrome led modules through the schematic diagram obtaining white broadband light and narrow band light that filters.
As seen from the figure, whole light supply apparatuses mainly include some monochromatic led module 1a-1n, control unit 2, light path accordingly
Combining unit 3 and optical filter 4 three part.
Wherein, some monochrome led module 1a-1n, have continuous wavelength band, for sending corresponding different wave length band
Illumination light, the illumination light of these different wave length bands is combined into the white broadband light that wavelength band is 400-700nm.
Control unit 2, for controlling the switch of some monochrome led module 1a-1n, so that being combined into wavelength band is 400-
The white broadband light of 700nm.
Light path combining unit 3, the illumination light of different wave length band for sending to some monochrome led modules carries out synthesis output
Wavelength band is the white broadband light of 400-700nm.
Optical filter 4, the wavelength band for exporting to light path combining unit 3 synthesis is that the white broadband light of 400-700nm is carried out
Filter, to produce the wavelength band width ratio white narrow narrowband wavelength light of broadband light.
Accordingly, control unit 2 passes through to control the switch of some monochromatic led module 1a-1n, to realize the first illumination light (i.e.
White broadband light) output；Pass through to control the filtering to the first illumination light (white broadband light) for the optical filter 4, to realize the simultaneously
The output of two illumination light (i.e. narrowband wavelength light), the observing pattern different to meet fujinon electronic video endoscope.
Referring to Fig. 5, if desired export white broadband light, during meeting the common observing pattern of fujinon electronic video endoscope, control unit 2 is controlled
System all of monochrome led module is opened, and these monochromatic led modules produce the illumination light of different wave length band, these different wave length bands
Illumination light through light path combining unit 3 synthesize output wavelength band be 400-700nm white broadband light；Control optical filter 4 simultaneously
Leave output light path so that through light path combining unit 3 synthesis wavelength band be 400-700nm white broadband light directly export,
So that fujinon electronic video endoscope is commonly observed.
Referring to Fig. 6, if desired export narrowband wavelength light, during meeting fujinon electronic video endoscope arrowband observing pattern, control unit 2 is controlled
System all of monochrome led module is opened, and these monochromatic led modules produce the illumination light of different wave length band, these different wave length bands
Illumination light through light path combining unit 3 synthesize output wavelength band be 400-700nm white broadband light；Control optical filter 4 simultaneously
Enter output light path, the white broadband light being 400-700nm to the wavelength band being synthesized by light path combining unit 3 filters, produce
The narrow narrowband wavelength light of wavelength band width ratio white broadband light, so that fujinon electronic video endoscope carries out arrowband observation.
Example 4
This example proposes on the basis of example 2 or 3 schemes, in this example same using having the multiple of continuous wavelength band
Monochromatic led module is multiple light-emitting components 1, and specifically selects white light led module and blue light led module as light-emitting component.
Wherein, the wavelength band of white light led module is 420-700nm, can launch the white light that wavelength band is 420-700nm,
As 420nm, 430nm, 450nm, 480nm, 490nm, 500nm, 520nm, 530nm, 550nm, 560nm, 580nm, 600nm,
620nm, 630nm, 640nm, 650nm, 660nm, 670nm, 680nm, 690nm, 700nm etc..The wavelength band of blue light led module is
405-425nm, can launch the blue light that wavelength band is 405-425nm, such as 405nm, 406nm, 407nm, 408nm, 409nm,
410nm、411nm、412nm、413nm、414nm、415nm、417nm、418nm、419nm、420nm、421nm、422nm、
423nm, 424nm, 425nm etc..
The light supply apparatuses providing for this example, carry out corresponding illumination experiment it may be determined that its illumination performance is entirely capable of
Enough meet the use requirement of fujinon electronic video endoscope, specific as follows:
Referring to Fig. 7 (a), it show the spectrum character diagram of the white light of white light led module irradiation, and in figure is visible, and light source fills
If only with white light led module in putting, due to its in 420nm about light quantity less；Referring to Fig. 7 (b), if after filtering
The required blue narrow band light of 420nm and the green narrow band light of 520nm cannot be obtained, therefore cannot realize to having irregular surface
Profile is by observing that inspection is organized.
Referring to Fig. 7 (c), it show the spectrum character diagram of the light of blue light led module irradiation；
Referring to Fig. 7 (d), it show the Spectral Properties of the white broadband light after white light led module and the combination of blue light led module
Property figure；
Referring to Fig. 7 (e), its spectrum character diagram after white broadband light filters after showing combination.
From Fig. 7 (d) and Fig. 8 (a), after light-emitting component 1 adopts white light led module and the combination of blue light led module, obtain
The white broadband light of specific wavelength band, about 400- basically identical with the white broadband wavelength bands that white light xenon source sends
700nm, such as include 400nm, 410nm, 415nm, 420nm, 425nm, 430nm, 435nm, 440nm, 450nm, 460nm,
470nm、480nm、490nm、495nm、500nm、520nm、540nm、560nm、580nm、600nm、620nm、640nm、
660nm, 680nm, 700nm etc., can be used for commonly observing.
From Fig. 7 (e) and Fig. 8 (b), after light-emitting component 1 adopts white light led module and the combination of blue light led module, pass through
Obtain the required blue narrow band light of 420nm and the green narrow band light of 520nm after optical filtering, observe for arrowband.
In examples detailed above, light-emitting component is all from led module, but not limited to this, specific sending out can be selected according to actual needs
Optical element.
In addition, in the above-described example, the peak wavelength of blue light led is 420nm, can not be to blue light led's in practical application
Peak wavelength is defined, and according to subject, the specific response of light need to be selected.Glaucous peak value in above-described embodiment
Wavelength also can be not limited to aeruginouss, 420nm and 520nm, can select specific optical filter or different of switch according to actual needs
Optical element controls.
Ultimate principle, principal character and the advantages of the present invention of the present invention have been shown and described above.The technology of the industry
, it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description is originally for personnel
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and its
Equivalent thereof.
Claims (11)
1. a kind of light supply apparatuses are it is characterised in that described light supply apparatuses include:
Multiple light-emitting components, the plurality of light-emitting component projects the illumination light of different wave length band；
Light path combining unit, the illumination light that described light path combining unit projects to multiple light-emitting components synthesizes；
Control unit, described control unit adjusts and cooperates between multiple light-emitting components injection illumination light, enables light supply apparatuses extremely
Few switching between the first light illumination mode and the second light illumination mode, projects white broadband light in the first light illumination mode, in the second photograph
Bright pattern projects the narrow narrowband wavelength light of white broadband light described in wavelength band width ratio.
2. a kind of light supply apparatuses according to claim 1 are it is characterised in that described light-emitting component is to have continuous wavelength band
Multiple monochrome led modules.
3. a kind of light supply apparatuses according to claim 1 and 2 are it is characterised in that described light-emitting component is respectively white light led
Module and blue light led module.
4. a kind of light supply apparatuses according to claim 3 are it is characterised in that described blue light led module can launch wavelength
Carry the blue light for 405-425nm, white light led module can launch the white light that wavelength band is 420-700nm.
5. a kind of light supply apparatuses according to claim 1 are it is characterised in that the wavelength band of described white broadband light is 400-
700nm.
6. a kind of light supply apparatuses according to claim 1 are it is characterised in that described control unit passes through to adjust multiple luminous units
The intensity relation that part projects between illumination light is luminous to control.
7. a kind of light supply apparatuses according to claim 1 are it is characterised in that pass through in described light supply apparatuses to control multiple
Whether the white broadband light that optical element sends is filtered, and forms narrowband wavelength light or white broadband light, to illuminate mould first
Switch between formula and the second light illumination mode.
8. a kind of light supply apparatuses according to claim 1 are it is characterised in that described light supply apparatuses pass through to control multiple lighting
The switch of element, forms white broadband light or narrowband wavelength light, to switch between the first light illumination mode and the second light illumination mode.
9. a kind of luminescent method is it is characterised in that pass through to project the different wave length combination of the light-emitting components with illumination light by multiple
Together, cooperate between the illumination light making multiple light-emitting components injections, form the white broadband light meeting common observation.
10. a kind of luminescent method according to claim 11 is it is characterised in that the wavelength band of described white broadband light is
400-700nm.
A kind of 11. endoscopic systems, including light supply apparatuses it is characterised in that described light supply apparatuses are appointed using in claim 1-8
Light supply apparatuses described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610739149.0A CN106361256A (en) | 2016-08-26 | 2016-08-26 | Light source device, light emitting method and endoscope system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610739149.0A CN106361256A (en) | 2016-08-26 | 2016-08-26 | Light source device, light emitting method and endoscope system |
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|---|---|
| CN106361256A true CN106361256A (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610739149.0A Pending CN106361256A (en) | 2016-08-26 | 2016-08-26 | Light source device, light emitting method and endoscope system |
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| CN111728581A (en) * | 2020-06-30 | 2020-10-02 | 深圳市医百生物科技有限公司 | Electronic vagina detecting instrument |
| CN112615243A (en) * | 2020-12-17 | 2021-04-06 | 承德石油高等专科学校 | Small broadband light source and design method thereof |
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