CN111458891A - Combined method for realizing multi-channel color combination light source - Google Patents
Combined method for realizing multi-channel color combination light source Download PDFInfo
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- CN111458891A CN111458891A CN202010375682.XA CN202010375682A CN111458891A CN 111458891 A CN111458891 A CN 111458891A CN 202010375682 A CN202010375682 A CN 202010375682A CN 111458891 A CN111458891 A CN 111458891A
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Abstract
The invention relates to a combined method for realizing a multi-channel color combination light source, in particular to a combined color combination illumination method for realizing multi-channel and multi-band by a semiconductor light source, which belongs to the technical field of illumination.
Description
Technical Field
The invention relates to a combined method for realizing a multi-channel multi-band combined color light source, in particular to a combined color combining illumination method for realizing multi-channel multi-band combined color illumination by a semiconductor light source, belonging to the technical field of illumination.
Background
Compared with the traditional white fabric lamp, halogen lamp, xenon lamp and other light sources, the semiconductor light source has the obvious characteristic that the emitted spectral bandwidth is narrow, belongs to a single-waveband light source, brings a plurality of convenient conditions for the application of fluorescence analysis and the like, but also puts forward higher requirements for multiband color combination light sources, such as more lighting wavebands, higher output power and the like.
Disclosure of Invention
The invention provides a combined method of a multi-channel multi-band color combination light source, which utilizes three basic color combination units, has flexible combination mode, large freedom degree and convenient modularization, can realize the color combination output light source of sixteen channels and sixteen bands at most and can fully meet the illumination requirements of various applications.
The technical solution of the present invention will now be described in detail with reference to the accompanying drawings:
the combined method for realizing the multi-channel color-combining light source includes that three basic color-combining units are combined, each basic color-combining unit is a collimating color-combining unit (1), a relay color-combining unit (2), a focusing color-combining unit (3) is a color-combining unit (1) combining two color-band lights into a relay color-combining unit (2), a relay color-combining unit (2) is a relay color-combining unit (1) combining two color-light-transmitting color-combining unit (2) into a relay color-transmitting color-combining color-transmitting color-combining unit (2), a relay color-transmitting color-combining unit (2) combining color-transmitting color-combining unit (2), a relay color-transmitting color-combining unit (2) combining unit is a relay color-transmitting-light-transmitting-combining unit (2), a light-transmitting-combining unit (2), a light-transmitting-light-transmitting-light-pupil-transmitting-pupil-light-transmitting-pupil-transmitting-pupil-transmitting-pupil-transmitting-pupil-transmitting-pupil-transmitting-pupil-transmitting-pupil-transmitting-pupil-transmitting-light-transmitting-pupil-transmitting-light-pupil-transmitting-pupil-transmitting-light-pupil-transmitting-pupil-transmitting-pupil-light-transmitting-light-transmitting-pupil-transmitting-pupil-transmitting-light-transmitting-pupil-transmitting-light-pupil-transmitting-light-transmitting-pupil-transmitting-light-pupil-transmitting-pupil-light-transmitting-pupil-transmitting-pupil-transmitting-pupil-transmitting-pupil-light-pupil-transmitting-pupil-transmitting-pupil-transmitting-pupil-transmitting-light-transmitting-pupil-light-reflecting-pupil-light-transmitting-pupil-light-reflecting-pupil-light-transmitting-pupil-transmitting-pupil-light-pupil-light-transmitting-pupil-transmitting-pupil-transmitting-light-pupil-transmitting-pupil-light-transmitting-pupil-transmitting-pupil-transmitting-light-transmitting-pupil-light-pupil-transmitting-pupil-light-pupil-transmitting-pupil-light-pupil-transmitting-pupil-light-pupil-light-transmitting-pupil-light-pupil-light-pupil-light-pupil-light-pupil-light-pupil light-pupil-light-pupil light-pupil light-pupil light-pupil light-pupil light-pupil light-pupil light-light.
The technical scheme of the invention is further technically characterized in that the ten combination modes of the combined multi-channel color combination light source are respectively that two collimation color combination units (1) and a focusing color combination unit (3) are combined into a four-channel color combination light source, one collimation color combination unit (1), one four-channel color combination unit (4) and the focusing color combination unit (3) are combined into a six-channel color combination light source, one collimation color combination unit (1), one six-channel color combination unit (5) and the focusing color combination unit (3) are combined into an eight-channel color combination light source, one collimation color combination unit (1), one eight-channel color combination unit (5) and the focusing color combination unit (3) are combined into a ten-channel color combination light source, two four-channel color combination units (4) and one six-channel color combination unit (5) and the focusing color combination unit (3) are combined into a ten-channel color combination light source The four-channel color combination unit (4), the eight-channel color combination unit (6) and the focusing color combination unit (3) are combined into a twelve-channel color combination light source, the two six-channel color combination units (5) and the focusing color combination unit (3) are combined into a twelve-channel color combination light source, the six-channel color combination unit (5), the eight-channel color combination unit (6) and the focusing color combination unit (3) are combined into a fourteen-channel color combination light source, and the two eight-channel color combination units (6) and the focusing color combination unit (3) are combined into a sixteen-channel color combination light source.
The technical scheme of the invention is further technically characterized in that all the first light-emitting sources (11) and the second light-emitting sources (12) adopted by the multi-channel color-combination light source respectively emit light with different wave band spectrums, and the number of the wave bands of the spectrums output by the multi-channel color-combination light source is consistent with the number of channels.
The technical scheme of the invention is further technically characterized in that the luminous sources of the two color combination units adopted by the multi-channel color combination light source have the same emission spectrum wave bands in pairs, the luminous sources emitting the same spectrum wave bands have mutually perpendicular polarization states, the luminous sources with the same emission spectrum and different polarization states are positioned in different color combination units, the focusing color combination mirror (31) is a polarization color combination prism or a plane polarization color combination mirror, the polarization direction of each luminous source accords with the polarization color combination characteristic of the polarization color combination mirror (31), the number of the spectrum wave bands output by the multi-channel color combination light source is half of the number of channels, and the light power output by each wave band is multiplied.
The technical scheme of the invention is further technically characterized in that a combined color combination light source with three channels to sixteen channels can be freely combined by removing a certain path of luminous source and a corresponding collimating lens group in the multi-channel color combination light source.
The technical scheme of the invention is further technically characterized in that the combined color combination unit, namely the four-channel color combination unit (4), the six-channel color combination unit (5) and the eight-channel color combination unit (6) directly output and are respectively used as a four-channel color combination light source, a six-channel color combination light source and an eight-channel color combination light source.
The invention has the advantages that:
1. the multi-channel and multi-band color combination light source is formed by using a combined method, the output of sixteen wave bands at most can be realized, and the spectral range of the semiconductor illumination light source is effectively enriched.
2. The modularized semiconductor illumination light source is convenient to modularize, high in combination freedom degree, convenient to form semiconductor illumination light sources with different channels and different wave band outputs, capable of achieving feedback control and capable of improving output stability.
Drawings
FIG. 1: the invention is a schematic structure diagram of three basic color combination units.
FIG. 2: the invention discloses a structural schematic diagram of a combined type four-channel color combination unit (4).
FIG. 3: the structure of the combined six-channel color combination unit (5) is schematically shown.
FIG. 4: the invention discloses a structural schematic diagram of a combined eight-channel color combination unit (6).
FIG. 5: the combined six-channel six-waveband color combination light source of the first embodiment has a schematic structure.
FIG. 6: the combined eight-channel four-band color-combination light source of the second embodiment has a schematic structural diagram.
FIG. 7: the combined twelve-channel twelve-waveband color combination light source of the third embodiment has a schematic structure.
FIG. 8: the combined sixteen-channel sixteen-waveband color combination light source of the fourth embodiment has a schematic structural diagram.
Detailed Description
The two color combination units respectively adopt a collimation color combination unit (1) and a four-channel color combination unit (4) to combine into a six-channel color combination light source, the six luminous sources all adopt single colors L ED, the wavelengths are different, the central wavelengths are 365nm, 450nm, 525nm, 560nm, 620nm and 660nm respectively, the number of output wave bands is six, and the output wave bands are consistent with the number of channels.
The working principle is that the two luminous sources of the collimation color combination unit respectively adopt L ED with central wavelengths of 365nm and 450nm, the central wavelength of the first luminous source is 365nm, the first luminous source is collimated by the first collimation lens and then enters the collimation color combination mirror, the central wavelength of the second luminous source is 450nm, the second luminous source is collimated by the second collimation lens and then enters the collimation color combination mirror, the light emitted by the first luminous source is transmitted by the collimation color combination mirror and reflects the light emitted by the second luminous source, the light with the wave bands of 365nm and 450nm is converged on a collimation exit pupil plane, similarly, the four central wavelengths of the four-channel color combination unit are respectively 525nm, 560nm, 620nm and 660nm are converged on a first relay entrance pupil plane and a second relay entrance pupil plane, the four central wavelengths are respectively transmitted and reflected on the relay color combination mirror and converged on a relay focus plane, the light with the focus plane and focus light with the six-channel exit pupil plane, the light energy can be output by the six-channel reflection color combination mirror through a small collimation color combination mirror, the six-wavelength output light with the focus wavelength of 525nm, and the six-wavelength output of the six-channel, and the output light can be output by the small focus light with the focus wavelength of the focus detection mirror, and the six-wavelength output of the six-wavelength output light with the equal output of the equal to the six-wavelength of 560 nm.
Example two: this embodiment has a method completely the same as the method described in the summary of the invention, and only the key data are listed to avoid duplication. The two color combination units adopt four-channel color combination units (4), the light emitting sources of the two four-channel color combination units (4) adopt lasers, the two four-channel color combination units have the same emission spectra in pairs, the central wavelengths are respectively 450nm, 561nm, 635nm and 780nm, the light emitting polarization directions of the light emitting sources with the same emission spectra are mutually perpendicular, the polarization directions of the light emitting sources reflected by the color combination mirror (31) are S polarized light relative to the color combination mirror (31), the polarization directions of the light emitting sources transmitted by the color combination mirror (31) are P polarized light relative to the color combination mirror, the color combination mirror (31) is a polarization color combination prism, the number of output wave bands is four, and is half of the number of channels.
The working principle is as follows: the color combination principle of the two four-channel color combination units is similar to that of the embodiment, and the two four-channel color combination units are not unfolded, because the two four-channel color combination units have the same emission spectrum, the polarization state accords with the polarization color combination characteristic of the polarization color combination prism, S-state polarization can be reflected, P-state polarization can be transmitted, and thus light corresponding to the same wave band is combined through the polarization color combination prism, so that the output of the eight channels and the four wave bands is realized, the optical expansion amount of the system is not increased, the light energy of each wave band output from the focusing lens can be doubled, and the problem of insufficient illumination intensity of some applications is solved.
The third embodiment has the same method as the method of the invention, only key data are listed to avoid repetition, the two color combination units adopt six-channel color combination units (5) to combine a twelve-channel color combination light source, the twelve light emitting sources adopt single color L ED, the emission wavelengths are different, the central wavelengths are 360nm, 385nm, 415nm, 465nm, 490nm, 515nm, 560nm, 585nm, 620nm, 660nm, 780nm and 810nm respectively, the number of output wave bands is twelve, and is consistent with the number of channels.
The working principle of this embodiment is similar to that of the embodiment, and is not described in detail.
The embodiment has the same method as the method in the invention content, only key data are listed to avoid repetition, the two color combination units adopt eight-channel color combination units (6) to combine a sixteen-channel color combination light source, the sixteen light emitting sources partially adopt single color L ED, the sixteen light emitting sources partially adopt lasers with different wavelengths, the emission center wavelengths of the light emitting sources adopting L ED are respectively 360nm, 385nm, 415nm, 450nm, 475nm, 520nm, 550nm, 585nm, 620nm and 660nm, the emission center wavelengths of the light emitting sources adopting the lasers are respectively 690nm, 750nm, 780nm, 810nm, 830nm and 880nm, and the number of output wave bands is sixteen and is consistent with the number of channels.
The working principle of this embodiment is similar to that of the embodiment, and is not described in detail.
The technical scheme of the invention is suitable for being applied to a multi-channel illumination light source, in particular to an illumination system with limited optical expansion amount, and is used as a multi-band illumination light source.
Claims (10)
1. The combined method for realizing the multi-channel color-combining light source includes that three basic color-combining units are combined, each basic color-combining unit is a collimating color-combining unit (1), a relay color-combining unit (2), a focusing color-combining unit (3) is a color-combining unit (1) combining two color-band lights into a relay color-combining unit (2), a relay color-combining unit (2) is a relay color-combining unit (1) combining two color-light-transmitting color-combining unit (2) into a relay color-transmitting color-combining color-transmitting color-combining unit (2), a relay color-transmitting color-combining unit (2) combining color-transmitting color-combining unit (2), a relay color-transmitting color-combining unit (2) combining unit is a relay color-transmitting-light-transmitting-combining unit (2), a light-transmitting-combining unit (2), a light-transmitting-light-transmitting-light-pupil-transmitting-pupil-light-transmitting-pupil-transmitting-pupil-transmitting-pupil-transmitting-pupil-transmitting-pupil-transmitting-pupil-transmitting-pupil-transmitting-pupil-transmitting-light-transmitting-pupil-transmitting-light-pupil-transmitting-pupil-transmitting-light-pupil-transmitting-pupil-transmitting-pupil-light-transmitting-light-transmitting-pupil-transmitting-pupil-transmitting-light-transmitting-pupil-transmitting-light-pupil-transmitting-light-transmitting-pupil-transmitting-light-pupil-transmitting-pupil-light-transmitting-pupil-transmitting-pupil-transmitting-pupil-transmitting-pupil-light-pupil-transmitting-pupil-transmitting-pupil-transmitting-pupil-transmitting-light-transmitting-pupil-light-reflecting-pupil-light-transmitting-pupil-light-reflecting-pupil-light-transmitting-pupil-transmitting-pupil-light-pupil-light-transmitting-pupil-transmitting-pupil-transmitting-light-pupil-transmitting-pupil-light-transmitting-pupil-transmitting-pupil-transmitting-light-transmitting-pupil-light-pupil-transmitting-pupil-light-pupil-transmitting-pupil-light-pupil-transmitting-pupil-light-pupil-light-transmitting-pupil-light-pupil-light-pupil-light-pupil-light-pupil-light-pupil light-pupil-light-pupil light-pupil light-pupil light-pupil light-pupil light-pupil light-pupil light-light.
2. The combined method of claim 1, wherein the ten combined modes of the combined multi-channel color combining light source are that two collimating color combining units (1) and a focusing color combining unit (3) are combined to form a four-channel color combining light source, one collimating color combining unit (1) and one four-channel color combining unit (4) are combined to form a six-channel color combining light source with the focusing color combining unit (3), one collimating color combining unit (1) and one six-channel color combining unit (5) are combined to form an eight-channel color combining light source with the focusing color combining unit (3), one collimating color combining unit (1) and one eight-channel color combining unit (5) are combined to form a ten-channel color combining light source with the focusing color combining unit (3), and two four-channel color combining units (4) are combined to form an eight-channel color combining light source with the focusing color combining unit (3), a four-channel color combination unit (4), a six-channel color combination unit (5) and a focusing color combination unit (3) can be combined into a ten-channel color combination light source, a four-channel color combination unit (4), an eight-channel color combination unit (6) and a focusing color combination unit (3) are combined into a twelve-channel color combination light source, two six-channel color combination units (5) and a focusing color combination unit (3) can be combined into a twelve-channel color combination light source, a six-channel color combination unit (5), an eight-channel color combination unit (6) and a focusing color combination unit (3) can be combined into a fourteen-channel color combination light source, and two eight-channel color combination units (6) and a focusing color combination unit (3) are combined into a sixteen-channel color combination light source.
3. A combined method for realizing a multi-channel color-combining light source according to claims 1 and 2, characterized in that all the first light-emitting sources (11) and the second light-emitting sources (12) adopted by the multi-channel color-combining light source respectively emit light with different wavelength bands, and the number of spectral wavelength bands output by the multi-channel color-combining light source is consistent with the number of channels.
4. The combined method for realizing multi-channel color-combining light source according to claims 1 and 2, characterized in that the light sources of two color-combining units of the multi-channel color-combining light source have the same emission spectrum band in pairs, the light sources emitting the same spectrum band have mutually perpendicular polarization states, the light sources having the same emission spectrum and different polarization states are located in different color-combining units, the focusing color-combining mirror (31) is a polarization color-combining prism or a plane polarization color-combining mirror, the direction of the polarization state of each light source conforms to the polarization color-combining characteristic of the polarization color-combining mirror (31), the number of the spectrum bands output by the multi-channel color-combining light source is half of the number of channels, and the light power output by each band is doubled.
5. The method of claim 1, 2, 3 or 4, wherein the three to sixteen channels of the combined color source can be freely combined by removing one of the light sources and the corresponding collimating lens group.
6. The combined method of claim 1, wherein the combined color combining unit, i.e. the four-channel color combining unit (4), the six-channel color combining unit (5) and the eight-channel color combining unit (6), directly outputs the output signals as a four-channel color combining light source, a six-channel color combining light source and an eight-channel color combining light source, respectively.
7. A combined method for realizing a multi-channel color-combining light source according to claim 1, 2 or 3, characterized in that two color-combining units respectively adopt a collimating color-combining unit (1) and a four-channel color-combining unit (4) to form a six-channel color-combining light source, the six light sources all adopt a single color L ED, the wavelengths are different, the central wavelengths are 365nm, 450nm, 525nm, 560nm, 620nm and 660nm respectively, the number of output wavelength bands is six, and the number of output wavelength bands is consistent with the number of channels.
8. A combined method for realizing multi-channel color-combination light source according to claim 1, 2 or 4, characterized in that, two color-combination units are four-channel color-combination units (4), the light sources of two four-channel color-combination units (4) are lasers, and have the same emission spectra in pairs, the central wavelengths are 450nm, 561nm, 635nm and 780nm, the light polarization directions of the light sources with the same emission spectra are perpendicular to each other, the polarization direction of the light sources reflected by the color-combination mirror (31) is S polarized light to the color-combination mirror (31), the polarization direction of the light sources transmitted by the color-combination mirror (31) is P polarized light to the color-combination mirror (31), the number of the output wave bands is four, and is half of the number of channels.
9. A combined method for realizing multi-channel color-combination light source according to claim 1, 2 or 3, characterized in that, two color-combination units are six-channel color-combination units (5) to form a twelve-channel color-combination light source, the twelve light-emitting sources are single-color L ED, the emission wavelengths are different, the central wavelengths are 360nm, 385nm, 415nm, 465nm, 490nm, 515nm, 560nm, 585nm, 620nm, 660nm, 780nm and 810nm, the number of output wave bands is twelve, and is consistent with the number of channels.
10. A combined method for realizing a multi-channel color-combining light source according to claim 1, 2 or 3, characterized in that, eight-channel color-combining units (6) are adopted for two color-combining units to form a sixteen-channel color-combining light source, part of sixteen light sources adopt single color L ED, part adopt lasers with different wavelengths, the central wavelengths of emission of the light sources adopting L ED are respectively 360nm, 385nm, 415nm, 450nm, 475nm, 520nm, 550nm, 585nm, 620nm and 660nm, the central wavelengths of emission of the light sources adopting lasers are respectively 690nm, 750nm, 780nm, 810nm, 830nm and 880nm, and the number of output wave bands is sixteen and is consistent with the number of channels.
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| JP7503210B2 (en) | 2020-11-13 | 2024-06-19 | ゴアテック・オプティカル・テクノロジー・カンパニー，リミテッド | Projection optical path and projection device |
| JP7503211B2 (en) | 2020-11-13 | 2024-06-19 | ゴアテック・オプティカル・テクノロジー・カンパニー，リミテッド | Projection optical path and projection device |
| US12038681B2 (en) | 2020-11-13 | 2024-07-16 | Goertek Optical Technology Co., Ltd | Projection optical path and projection device |
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