CN211014823U - L ED light source and microscopic device - Google Patents
L ED light source and microscopic device Download PDFInfo
- Publication number
- CN211014823U CN211014823U CN201922362883.1U CN201922362883U CN211014823U CN 211014823 U CN211014823 U CN 211014823U CN 201922362883 U CN201922362883 U CN 201922362883U CN 211014823 U CN211014823 U CN 211014823U
- Authority
- CN
- China
- Prior art keywords
- light
- light source
- light emitting
- filter
- emitting chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses an L ED light source and microscopic device this L ED light source includes light source board and at least one light filter, is provided with at least one L ED luminescence chip on the light source board, and L ED luminescence chip is used for the luminous beam, and at least one light filter sets up the light-emitting side at the light source board for filter L ED luminescence chip sends the light the embodiment of the utility model provides an in, through being provided with at least one L ED luminescence chip on the light source board, set up at least one light filter in the light-emitting side of light source board, realized the filtration to L ED light source outgoing light for L ED light source whole volume is less.
Description
Technical Field
The utility model relates to a light Emitting Diode (L light Emitting Diode, L ED) lighting technology field especially relates to a L ED light source and micro-device.
Background
When a fluorescent substance in a sample is observed by the fluorescence microscope, a plurality of different fluorescence light sources need to be equipped, the traditional fluorescence light source adopts mercury and a xenon arc lamp, the service life is short, and the cost is high L ED as a light source has the characteristics of long service life, high luminous efficiency, high cost performance and the like, therefore, people also adopt a L ED light source as the fluorescence light source, L ED as the light source in the prior art, generally, the L ED light source needs to be filtered through an external optical filter to realize illumination of different colors, so that the whole structure of the microscope is complex, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an L ED light source and microscopic device has reduced the volume of L ED light source through with the light filter integration in L ED light source.
The embodiment of the utility model provides an L ED light source, including light source board and at least one light filter;
at least one L ED light emitting chip is arranged on the light source board, and the L ED light emitting chip is used for emitting light beams;
the at least one optical filter is arranged on the light outlet side of the light source plate and used for filtering light emitted by the L ED light emitting chip.
Optionally, if the number of the optical filters is one, the optical filters cover or surround the light emitting side of the light source plate.
Optionally, if the number of the optical filters is the same as that of the L ED light emitting chips, one optical filter covers the light emitting side of the L ED light emitting chip corresponding to the optical filter.
Optionally, the L ED light source is a monochromatic light source or a polychromatic light source.
Alternatively, an L ED light emitting chip emits a light beam of one color;
if the L ED light source is a monochromatic light source, the light wavelength emitted by the L ED light emitting chip is the same, and if the L ED light source is a multicolor light source, the light wavelength emitted by the L ED light emitting chip is different.
Optionally, the filter is curved or planar.
Optionally, the L ED light source still includes the collecting film, the collecting film sets up in the light-emitting side of light source board.
The embodiment of the utility model provides a microscopic device is still provided, including any one above-mentioned embodiment L ED light source.
The embodiment of the utility model provides an in, through being provided with at least one L ED luminescence chip on the light source board at L ED light source, set up at least one light filter in the light-emitting side of light source board, filter the light that L ED luminescence chip sent through the light filter, reduced the volume of L ED light source.
Drawings
Fig. 1 is a schematic structural diagram of an L ED light source according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another L ED light source according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another L ED light source according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an L ED display device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a schematic structural view of an L ED light source according to an embodiment of the present invention, as shown in fig. 1, a L ED light source includes a light source board 10 and at least one optical filter 30, the light source board 10 is provided with at least one L ED light emitting chip 20, the L ED light emitting chip 20 is used for emitting light beams, and the at least one optical filter 30 is disposed on a light emitting side of the light source board 10 and used for filtering light emitted from L ED light emitting chips 20.
At least one L ED light emitting chip 20 is arranged on a light source board 10 of an L ED light source, at least one optical filter 30 is arranged on the light emitting side of the L0 ED light emitting chip 20, the optical filter 30 filters light emitted by the L1 ED light emitting chip 20, and illumination is realized through L ED light after filtering, since the L ED light emitting chip 20 is integrated on the light source board 10 of an L ED light source, and the at least one optical filter 30 is positioned on the light emitting side of the L ED light emitting chip 20, the optical filter 30 is arranged on the light emitting side of the L ED light emitting chip 20 before the L ED light source is packaged, the volume of the whole L ED light source can be effectively reduced, and the light weight of a L ED light emitting device is realized.
L ED light emitting chip 20 is prepared by processing L ED PN junction of single crystal substrate deposited on a substrate, wherein the processing technology mainly comprises the steps of cleaning, evaporation, yellow light, chemical etching, fusing, grinding and the like, and then the required L ED light emitting chip 20 is obtained by the steps of scribing, testing, sorting and the like, and L ED light emitting chip 20 has the characteristics of small volume and simple process.
At least one optical filter 30 is arranged on the light-emitting side of the light source plate 10, and the optical filter 30 is arranged to mainly filter the light emitted by the L ED light-emitting chip 20, because the light emitted by the L ED light-emitting chip 20 has ultraviolet light and infrared light, the optical filter 30 can filter the light of different wave bands by arranging the optical filter 30 on the light-emitting side of the L ED light-emitting chip 20, and L ED lighting display is realized.
It is understood that the light source board 10 can be any structure capable of accommodating at least one L ED light emitting chip 20, such as a case/cavity with a recess, or a plane capable of fixing at least one L ED light emitting chip 20. the at least one optical filter 30 is disposed on the light emitting side of the light source board 10 and can form a closed space with the light source board 10 to enclose the at least one L ED light emitting chip 20, so as to prevent the light emitted by the at least one L ED light emitting chip 20 from leaking out of the part outside the at least one optical filter 30 and affecting the light emitting efficiency.
Alternatively, with continued reference to fig. 1, fig. 1 exemplarily shows that the number of the optical filters 30 is one, and if the number of the optical filters 30 is one, the optical filters 30 cover or surround the light emitting side of the light source plate 10.
When the number of the optical filters 30 is set to be one, the optical filters 30 are arranged to cover or surround the light emitting side of the light source plate 10, and the optical filters 30 can completely filter L light emitted by the ED light emitting chips 20. on one hand, by arranging the optical filters 30 to cover or surround the light emitting side of the light source plate 10, it can be avoided that infrared light or ultraviolet light exists in the light emitted by the L ED light emitting chips 20 and causes harm to human bodies, on the other hand, if the optical filters 30 do not completely cover or surround the light emitting side of the light source plate 10, it is easy to happen that the light emitted by the L ED light emitting chips 20 is not completely filtered by the optical filters 30, and problems such.
Optionally, fig. 2 is a schematic structural diagram of another L ED light source according to an embodiment of the present invention, referring to fig. 2, fig. 2 exemplarily shows a plurality of optical filters, if the number of the optical filters 30 is the same as the number of L ED light emitting chips 20, one optical filter 30 covers the light emitting side of the L ED light emitting chip 20 corresponding thereto.
The number of the optical filters 30 can be multiple, when the number of the optical filters 30 is the same as that of the L ED light-emitting chips 2, each optical filter 30 covers the light-emitting side of the L ED light-emitting chip 20 corresponding to the optical filter 30, and the light of different wavelengths emitted by the L ED light-emitting chips is filtered when the micro-operation is carried out by arranging the optical filters 30 at the positions corresponding to the light-emitting sides of the L ED light-emitting chips 20.
It should be noted that, when there are a plurality of optical filters 30, and the plurality of optical filters 30 cover the light-emitting sides of the L ED light-emitting chips 20 corresponding to the optical filters 30, the optical filters 30 are all disposed on the light-emitting sides of the L ED light-emitting chips 20 before the L ED light source package.
It should be added that, when the number of the optical filters 30 is plural, and the number of the optical filters 30 is different from the number of the L ED light emitting chips 20, one optical filter 30 may cover the light emitting side of one L ED light emitting chip 20, or one optical filter 30 may cover the light emitting sides of at least two L ED light emitting chips 20, or at least two optical filters 30 may cover the light emitting side of one L ED light emitting chip 20, which is not limited in the present invention.
Alternatively, the L ED light source is a monochromatic light source or a polychromatic light source.
Since the L ED light source includes the light source board 10, at least one L ED light emitting chip 20 is disposed on the light source board 10. when L ED light emitting chips 20 of the light source board 10 of the L ED light source are one, or L ED light emitting chips 20 are multiple and the wavelengths of the light emitted by the multiple light emitting chips are the same, L ED light source is a monochromatic light source, when L ED light emitting chips 20 of the light source board 10 of the L ED light source are multiple and the wavelengths of the light emitted by the multiple L ED light emitting chips 20 are different, L ED light source is a multicolor light source.
Alternatively, an L ED light emitting chip 20 emits a light beam of one color.
If the L ED light source is a monochromatic light source, the L ED light emitting chips 20 emit light with the same wavelength, and if the L ED light source is a polychromatic light source, the L ED light emitting chips 20 emit light with different wavelengths.
L ED light source is illuminated or displayed according to the light beam emitted by L ED light emitting chips 20. one L ED light emitting chip 20 can only emit light of one color.A L ED light source is realized by setting the same wavelength of the light emitted by a single or a plurality of L ED light emitting chips 20, or a plurality of L ED light emitting chips 20 are arranged to emit light of different wavelengths, and a L ED light source is realized by setting the light of multiple colors.
Alternatively, as shown in fig. 1 and 2, when L ED light source is polychromatic, filter 30 may be configured as a multiband filter that allows for filtering of different bands L ED light.
Optionally, fig. 3 is a schematic structural diagram of another L ED light source according to an embodiment of the present invention, referring to fig. 3, the L ED light source further includes a light collecting film 40, and the light collecting film 40 is disposed on the light emitting side of the light source board 10.
After the L ED light emitting chip 20 and the optical filter 30 are packaged into the L ED light source, the light condensing film 40 is arranged on the light emitting side of the L ED light source and used for condensing light rays emitted by the L ED light source and improving the brightness of the L ED light source.
On the basis of the above embodiments, fig. 4 is a schematic structural diagram of a microscope device according to an embodiment of the present invention, and referring to fig. 4, the microscope device may include L ED light source 100 according to any embodiment of the present invention.
It should be noted that, the L ED light source in the conventional microscope requires an additional filter 200 between the L ED light source 100 and the dichroic mirror 300. by using the L ED light source described in any of the above embodiments in the microscope apparatus, the filter is integrated in the L ED light source, and the filter 200 is not required to be additionally arranged, thereby simplifying the structure of the microscope apparatus.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (8)
1. An L ED light source comprising a light source board and at least one optical filter;
at least one L ED light emitting chip is arranged on the light source board, and the L ED light emitting chip is used for emitting light beams;
the at least one optical filter is arranged on the light outlet side of the light source plate and used for filtering light emitted by the L ED light emitting chip.
2. The L ED light source of claim 1, wherein if the number of the filters is one, the filters cover or surround the light emitting side of the light source board.
3. The L ED light source of claim 1, wherein, if the number of the filters is the same as that of the L ED light emitting chips, one filter covers the light emitting side of the L ED light emitting chip corresponding to the filter.
4. The L ED light source of claim 1, wherein the L ED light source is a monochromatic light source or a polychromatic light source.
5. An L ED light source as claimed in claim 4, wherein a L ED light emitting chip emits a single color light beam;
if the L ED light source is a monochromatic light source, the light wavelength emitted by the L ED light emitting chip is the same, and if the L ED light source is a multicolor light source, the light wavelength emitted by the L ED light emitting chip is different.
6. The L ED light source of claim 1, wherein the filter is curved or planar.
7. The L ED light source of claim 1, wherein the L ED light source further comprises a light concentrating film disposed on the light exit side of the light source board.
8. A microscopy apparatus comprising an L ED light source according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922362883.1U CN211014823U (en) | 2019-12-25 | 2019-12-25 | L ED light source and microscopic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922362883.1U CN211014823U (en) | 2019-12-25 | 2019-12-25 | L ED light source and microscopic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211014823U true CN211014823U (en) | 2020-07-14 |
Family
ID=71469383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922362883.1U Active CN211014823U (en) | 2019-12-25 | 2019-12-25 | L ED light source and microscopic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211014823U (en) |
-
2019
- 2019-12-25 CN CN201922362883.1U patent/CN211014823U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9432640B2 (en) | Illumination module | |
| CN103018864B (en) | Fluorometer arrangement and its light-source system and projector equipment being applicable | |
| US7036946B1 (en) | LCD backlight with UV light-emitting diodes and planar reactive element | |
| US8662690B2 (en) | Multi-colored illumination system with wavelength converter and method | |
| US20180188178A1 (en) | Fluorescent microscopic imaging method and apparatus | |
| US20080232084A1 (en) | White light source device | |
| CN106523955A (en) | Illuminating system and projecting device | |
| US9890930B2 (en) | Light source module | |
| US20150346579A1 (en) | Wavelength conversion module and illumination system | |
| HK1131665A1 (en) | Microscope illumination source comprising light emitting diodes for stained biological samples | |
| US20160274446A1 (en) | Light source apparatus and projection display apparatus | |
| US9778192B2 (en) | Object carrier, system and method for back light inspection | |
| TWI656361B (en) | Illumination system and projection apparatus | |
| CN110133950A (en) | Lighting system and projection arrangement | |
| CN211014823U (en) | L ED light source and microscopic device | |
| JP2011247743A (en) | Fluorescence measurement apparatus | |
| US20150146406A1 (en) | Blue light mixing method and system using the same | |
| CN113376822A (en) | Illumination system for a microscope, system, method and computer program for a microscope and microscope system | |
| WO2021129588A1 (en) | Fluorescent lighting device and microscopy imaging system | |
| WO2004088387A1 (en) | Lighting assembly for a luminescence analysis apparatus, in particular a fluorescence microscope, and luminescence analysis apparatus equipped with such a lighting assembly | |
| WO2018010231A1 (en) | Method and apparatus for converting into white light under laser excitation, and applications thereof | |
| CN210720863U (en) | Operating microscope capable of switching illumination light | |
| CN211086792U (en) | Fluorescent lighting device and microscopic imaging system | |
| TW200512511A (en) | Liquid crystal display device module | |
| US20180058643A1 (en) | Luminaire and method of manufacturing luminaire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |