CN104765239A - Light source system - Google Patents
Light source system Download PDFInfo
- Publication number
- CN104765239A CN104765239A CN201410004046.0A CN201410004046A CN104765239A CN 104765239 A CN104765239 A CN 104765239A CN 201410004046 A CN201410004046 A CN 201410004046A CN 104765239 A CN104765239 A CN 104765239A
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- Prior art keywords
- light
- colour wheel
- blue
- blue light
- catoptron
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
- G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S10/00—Lighting devices or systems producing a varying lighting effect
- F21S10/007—Lighting devices or systems producing a varying lighting effect using rotating transparent or colored disks, e.g. gobo wheels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/12—Combinations of only three kinds of elements
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2066—Reflectors in illumination beam
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention relates to a light source system comprising a blue LD light source group, a beam splitting device, a fluorescent color wheel, a first drive device, a beam combining device, a filter color wheel, and a second drive device. The beam splitting device is used for transmitting blue light and reflecting colored light newly generated by the fluorescent color wheel. The fluorescent color wheel comprises at least three regions which are distributed along the center axis of the fluorescent color wheel, do not overlap, and are shaped like a fan ring, wherein the at least three regions comprise a first region for transmitting blue light, a second region for converting the blue light into red light, and a third region for converting the blue light into green light. The first drive device is used for driving the fluorescent color wheel to rotate along the center axis of the fluorescent color wheel. The beam combining device is used for combining colored light emitted by the fluorescent color wheel. The filter color wheel is used for selecting colored light in a time-sharing manner. The second drive device is used for driving the filter color wheel to rotate along the center axis of the filter color wheel so as to make the fluorescent color wheel and the filter color wheel rotate synchronously. Through the above method, the light source system provided by the invention can improve the color saturation and color gamut of a light source so as to improve the display quality of a picture displayed through projection.
Description
Technical field
The present invention relates to illumination and display technique field, particularly relate to a kind of light-source system.
Background technology
Monolithic DLP(Digital Light Processor Digital Light Processor) projector provides red, green, blue three kinds of colors due to needs on an imaging device simultaneously, its image-forming principle is the projected image being produced full color by the colour wheel of a High Rotation Speed, and colour wheel is made up of red, green, blue three color lump.In prior art, after utilizing the white light launched by light source to pass through the colour wheel rotated, redgreenblue in white light can sequence alternate project DMD(DigtalMicromirror Device digital micro-mirror device) on chip surface, primary reflecting mirror on dmd chip arrives at camera lens, then is projected to screen by camera lens and makes it imaging.But the serviceable life of bulb source is limited, and high saturation and wide colour gamut Projection Display, the particularly requirement of outdoor Projection Display can not be met.
For solving the problems of the technologies described above, a kind of light-source system provided by the invention.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of light-source system, utilizes the polychromatic light of rotating filtering colour wheel to the outgoing of fluorescence colour wheel to carry out timesharing and selects look, can improve saturation degree and the colour gamut of projection display picture, and then can improve the display quality of projected picture.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of light-source system, comprising:
Blue LD light source group, comprises and is multiplely distributed in blue LD substrate being launched blue light;
Catoptron group, described catoptron group comprises multiple catoptron, and each blue LD has a catoptron one to one with it, catoptron for the blue light that reflects the blue LD that corresponds and launch to light-dividing device;
Light-dividing device, is arranged on blue light travel path, for transmit blue, and for coloured light that reflected fluorescent light colour wheel newly produces;
Fluorescence colour wheel, be arranged on the downstream travel path of the blue light of light-dividing device transmission, comprise not overlapping along the distribution of its central shaft and in fan annular at least three regions, described at least three regions comprise transmit blue first area, be the second area of ruddiness for converting blue light and be green glow the 3rd region for converting blue light, the new coloured light produced of the first colour wheel reflection is to light-dividing device;
First drive unit, for driving fluorescence colour wheel along its central axis;
First catoptron, for by the blu-ray reflection of fluorescence colour wheel transmission to Multiplexing apparatus;
Second catoptron, the coloured light that the fluorescence colour wheel for being reflected by light-dividing device newly produces is to Multiplexing apparatus;
Multiplexing apparatus, the coloured light newly produced for transmit blue, reflected fluorescent light colour wheel and then the coloured light that blue light and fluorescence colour wheel newly produce is merged into a road light;
Optical filtering colour wheel, be arranged on the travel path of the coloured light after Multiplexing apparatus merges, comprise not overlapping along its central shaft and in fan annular at least three regions, the 3rd filter area that at least three regions of optical filtering colour wheel comprise the first filter area only allowing blue light to pass through, the second filter area only allowing ruddiness to pass through and only allow green glow to pass through;
Second drive unit, for driving optical filtering colour wheel along its central axis, makes fluorescence colour wheel and optical filtering colour wheel synchronous axial system;
Control device, for controlling the power switch of the first drive unit, the second drive unit and blue LD, makes fluorescence colour wheel and optical filtering colour wheel keep synchronous, to obtain each sequential coloured light of target light power.
Wherein, it is the 4th region of gold-tinted that at least three regions of described fluorescence colour wheel comprise further for converting blue light, and at least three regions of corresponding optical filtering colour wheel comprise the 4th filter area only allowing gold-tinted to pass through further.
Wherein, it is the 5th region of green light that at least three regions of described fluorescence colour wheel comprise further for converting blue light, and at least three regions of corresponding optical filtering colour wheel comprise the 5th filter area only allowing green light to pass through further.
Wherein, optoisolator is provided with between described Multiplexing apparatus and optical filtering colour wheel.
Wherein, the first area of described fluorescence colour wheel comprises built-in diffusion sheet, and described diffusion sheet is used for carrying out even light to blue light and eliminating blue light speckle.
Wherein, between catoptron group and light-dividing device, be provided with diffusion sheet, described diffusion sheet is for carrying out even light and eliminating blue light speckle to the blue light incided on it.
Wherein, the blue light travel path of light-dividing device to fluorescence colour wheel is provided with a diffusion sheet, described diffusion sheet is for carrying out even light and eliminating blue light speckle to the blue light incided on it.
Wherein, the blue light travel path taking turns to Multiplexing apparatus in iridescent is provided with a diffusion sheet, described diffusion sheet is for carrying out even light and eliminating blue light speckle to the blue light incided on it.
Wherein, the blue light travel path between Multiplexing apparatus to light collecting device is provided with a diffusion sheet, described diffusion sheet carries out even light for the blue light incided on it and eliminates blue light speckle.
Light-source system according to above-mentioned any one, the first convex lens are provided with between described catoptron group and light-dividing device, plano-convex lens is provided with between described light-dividing device and fluorescence colour wheel, and the convex surface of plano-convex lens is towards light-dividing device, the second convex lens are provided with between fluorescence colour wheel and the first catoptron, the 3rd convex lens are provided with between light-dividing device and the second catoptron, be provided with the 4th convex lens between second catoptron and Multiplexing apparatus, between optical filtering colour wheel and light collecting device, be provided with the 5th convex lens.
The invention has the beneficial effects as follows: the situation being different from prior art, light-source system provided by the invention, utilize the multiple coloured light of rotating filtering colour wheel to the outgoing of fluorescence colour wheel to carry out timesharing and select look, color saturation and the expanded color gamut of light source can be improved, and then the display quality of projected picture can be improved.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of light-source system of the present invention;
Fig. 2 is the structural representation of the first embodiment of the fluorescence colour wheel of light-source system of the present invention;
Fig. 3 is the structural representation of the first embodiment of the filtering colour wheel of light-source system of the present invention;
Fig. 4 is the structural representation of the second embodiment of the fluorescence colour wheel of light-source system of the present invention;
Fig. 5 is the structural representation of the second embodiment of the optical filtering colour wheel of light-source system of the present invention;
Fig. 6 is the structural representation of the 3rd embodiment of the fluorescence colour wheel of light-source system of the present invention;
Fig. 7 is the structural representation of the 3rd embodiment of the optical filtering colour wheel of light-source system of the present invention.
Embodiment
Refer to Fig. 1, Fig. 1 is the structural representation of an embodiment of light-source system of the present invention.As shown in Figure 1, the light-source system of the present embodiment comprises: blue LD light source group 11, catoptron group (sign), light-dividing device 15, fluorescence colour wheel 17, first drive unit 18, first catoptron 20, second catoptron 26, Multiplexing apparatus 21, optical filtering colour wheel 22, second drive unit 23, light collecting device 24 and control device (not shown).Wherein, blue LD light source group 11 comprises multiple blue LD111 be distributed on substrate, and blue LD111 is for launching blue light; Catoptron group comprises multiple catoptron 12, single blue LD111 has a catoptron 12 one to one with it, catoptron 12 is for reflecting the blue light of blue LD111 transmitting corresponding with it to light-dividing device 15, therefore the effect of catoptron group is that the blue light of reflection blue LD light source group 11 outgoing is on light-dividing device 15, and in actual use, the blue light that different catoptrons 12 reflects can not incide on another different catoptron 12.
In the present embodiment, control device, for controlling the power switch of the first drive unit 18, second drive unit 23 and blue LD11, makes fluorescence colour wheel and optical filtering colour wheel keep synchronous, to obtain each sequential coloured light of target light power.
In the present embodiment, light-dividing device 15 is arranged on the travel path of blue light, and the blue light launched in blue LD light source group 11 incides on light-dividing device 15 after the reflection of catoptron group, and blue light incides on fluorescence colour wheel 17 after light-dividing device 15 transmission.Because fluorescence colour wheel 17 comprises material for transformation of wave length (fluorescent material), a kind of material for transformation of wave length is used for the blue light incided on fluorescence colour wheel 17 to be converted to a kind of light of particular color, then the new coloured light produced reflexes on light-dividing device 15 through fluorescence colour wheel 17, and through the blue light of transmission to inciding on the first catoptron 20.The coloured light inciding the new generation on light-dividing device 15 is reflected on the second catoptron 26, and then is reflexed on Multiplexing apparatus 21 by the second catoptron 26, and the blue light incided on the first catoptron 20 is reflected on Multiplexing apparatus 21.The coloured light that Multiplexing apparatus 21 is newly produced by transmit blue, reflected fluorescent light colour wheel and then the coloured light of fluorescence colour wheel 17 transmission and reflection is merged into a road light incide on optical filtering colour wheel 22.
In the present embodiment, fluorescence colour wheel 17 comprises along its central shaft in fanning annular and nonoverlapping at least three regions, first area is used for transmit blue, and second area is used for blue light to be converted to ruddiness and reflect red, and the 3rd region is used for blue light to be converted to green glow and reflect green light.First area can be preferably full sky in a preferred embodiment of the invention.First drive unit 18, for driving fluorescence colour wheel 17 along its central axis, makes the zones of different of fluorescence colour wheel 17 be alternately disposed on the travel path of blue light, and then makes fluorescence colour wheel 17 alternately export blue light, ruddiness and green glow.
In the present embodiment, the coloured light after Multiplexing apparatus 21 merges incides on optical filtering colour wheel 22.Optical filtering colour wheel 22 is arranged on the travel path of the coloured light after Multiplexing apparatus 21 merges, comprise along its central shaft in nonoverlapping at least three regions of fan annular, at least three regions of optical filtering colour wheel 22 comprise the first filter area of transmit blue, second filter area of transmit red light and the 3rd filter area of transmit green, second drive unit 23 is for driving optical filtering colour wheel 22 along its central axis, and fluorescence colour wheel 17 and optical filtering colour wheel 22 rotate synchronously, to ensure that the filtered region included by optical filtering colour wheel 22 is irradiated to by the coloured light of wide wavelength coverage particular color corresponding with it.
In the first preferred embodiment of the present invention, as shown in Figure 2, Fig. 2 is the structural representation of the first embodiment of fluorescence colour wheel of the present invention to fluorescence colour wheel 17.In fig. 2, fluorescence colour wheel 17 comprise along its central shaft in fan annular and nonoverlapping first area 171 for transmit blue, for blue light being converted to ruddiness and the second area 172 of reflect red and be used for blue light to be converted to green glow and the 3rd region 173 of reflect green light.First area 171 can be preferably full sky in a preferred embodiment of the invention.First drive unit 18, for driving fluorescence colour wheel 17 along its central axis, makes the zones of different of fluorescence colour wheel 17 be alternately disposed on the travel path of blue light, and then makes fluorescence colour wheel 17 alternately export blue light, ruddiness and green glow.
Corresponding, in the first preferred embodiment of the present invention, as shown in Figure 3, Fig. 3 is the structural representation of the first embodiment of optical filtering colour wheel of the present invention to optical filtering colour wheel 22.Comparison diagram 2 and Fig. 3, fluorescence colour wheel 17 is substantially identical with the structure of optical filtering colour wheel 22, institute's difference is: the first area 171 of fluorescence colour wheel 17 is to the blue light transmission incided on it, second area 172 is provided with red fluorescence material and then carries out reflect red for blue light being converted to ruddiness, 3rd region 173 is provided with green fluorescent material for blue light being converted to green glow reflect green light then, and the colour wheel 22 that filters filters and then obtain sequential color sequence of light, and optical filtering colour wheel 2 also comprises three regions, wherein, first filter area 221 only allows the blue light of particular range of wavelengths to pass through, second filter area 222 only allows the ruddiness of particular range of wavelengths to pass through, 3rd filtered region only allows the green glow of particular range of wavelengths to pass through, the photochromic filter action taking turns 22 pairs of incident lights can obtain the sequential color sequence of light of narrow wavelength coverage to meet the needs of Projection Display to light source after filtration.
In the second preferred embodiment of the present invention, shown in the preferred Fig. 4 of fluorescence colour wheel, Fig. 4 is the structural representation of the second embodiment of the fluorescence colour wheel of light-source system of the present invention.As shown in Figure 4, fluorescence colour wheel 17` comprises along its central shaft in fan annular and nonoverlapping first area 171` for transmit blue, for blue light being converted to ruddiness and the second area 172` of reflect red and be used for blue light to be converted to green glow and the 3rd region 173` of reflect green light, difference is that the fluorescence colour wheel 17` of the present embodiment comprises further for blue light being converted to gold-tinted and the 4th region 174` of reflect yellow.
Correspondingly, in the second preferred embodiment of the present invention, preferably as shown in Figure 5, Fig. 5 is the structural representation of the second embodiment of the optical filtering colour wheel of light-source system of the present invention to optical filtering colour wheel.Comparison diagram 3 and Fig. 5, the optical filtering colour wheel 22` of the present embodiment also comprises four regions, wherein, first filter area 221` only allows the blue light of particular range of wavelengths to pass through, second filter area 222` only allows the ruddiness of particular range of wavelengths to pass through, 3rd filtered region 223` only allows the green glow of particular range of wavelengths to pass through, and is with Fig. 3 difference, and the optical filtering colour wheel 22` of the present embodiment comprises the 4th filter area 224` for only allowing gold-tinted to pass through further.
In the 3rd preferred embodiment of the present invention, shown in preferred Fig. 6 of fluorescence colour wheel of light-source system.In figure 6, fluorescence colour wheel 17`` comprise along its central shaft in fan annular and nonoverlapping first area 171`` for transmit blue, for blue light being converted to ruddiness and the second area 172`` of reflect red, being used for blue light to be converted to green glow and the 3rd region 173`` of reflect green light, compared with Fig. 2, difference is that the fluorescence colour wheel 17`` of the present embodiment comprises further for blue light being converted to gold-tinted and the 4th region 174`` of reflect yellow and be used for blue light to be converted to green light and reflect the 5th region 175`` of green light.
Correspondingly, in the 3rd preferred embodiment of the present invention, preferably as shown in Figure 7, Fig. 7 is the structural representation of the 3rd embodiment of the optical filtering colour wheel of light-source system of the present invention to optical filtering colour wheel.Comparison diagram 7 and Fig. 3, the optical filtering colour wheel 22`` of the present embodiment also comprises five regions, wherein, first filter area 221`` only allows the blue light of particular range of wavelengths to pass through, second filter area 222`` only allows the ruddiness of particular range of wavelengths to pass through, 3rd filtered region 223`` only allows the green glow of particular range of wavelengths to pass through, be with Fig. 3 difference, the 5th filter area 225`` that the optical filtering colour wheel 22`` of the present embodiment comprises the 4th filter area 224`` for only allowing gold-tinted to pass through further and only allows green light to pass through.
Certainly in other embodiments of fluorescence colour wheel of the present invention, fluorescence colour wheel can further include the region that converting blue light is the light of another kind of color, correspondingly also comprise further can only by the filter area of the light of respective color for optical filtering colour wheel, and the present invention does not limit this.
In a preferred embodiment of the invention, optoisolator is preferably set between Multiplexing apparatus 21 and optical filtering colour wheel 22 with the normal work preventing the light reflected from affecting blue LD.
In embodiments of the present invention, a diffusion sheet can be set on the travel path of blue light, such as: in a preferred embodiment of the invention, diffusion sheet is built in the first area 171 of fluorescence colour wheel 17, or a diffusion sheet is set between catoptron group and light-dividing device 15, or on the blue light travel path of light-dividing device 15 to fluorescence colour wheel 17, be provided with a diffusion sheet, or the blue light travel path taking turns to Multiplexing apparatus in iridescent is provided with a diffusion sheet, or the blue light travel path between Multiplexing apparatus to light collecting device is provided with a diffusion sheet.Described diffusion sheet carries out even light for the blue light that will incide on it and eliminates blue light speckle.
According to the description of above-mentioned any one to light-source system of the present invention, in actual use preferably:
Between catoptron group and light-dividing device 15, be provided with diffusion sheet 13, diffusion sheet 13 for carrying out even light to the blue light incided on it, and is provided with the first convex lens 14 between diffusion sheet 13 and light-dividing device 15;
Between light-dividing device 15 and fluorescence colour wheel 17, be provided with plano-convex lens 16, and the convex surface of plano-convex lens 16 is towards light-dividing device 15;
The second convex lens are provided with between fluorescence colour wheel 17 and the first catoptron 20;
The 3rd convex lens 25 are provided with between light-dividing device 15 and the second catoptron 26;
The 4th convex lens 27 are provided with between the second catoptron 26 and Multiplexing apparatus 21;
The 5th convex lens 28 are provided with between optical filtering colour wheel 22 and light collecting device 24.
By the way, light-source system provided by the invention, utilizes rotating filtering colour wheel to carry out timesharing to the polychromatic light that fluorescence colour wheel exports and selects look and full impregnated, can improve Projection Display color saturation and expanded color gamut, and then can improve the display quality of projected picture.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a light-source system, is characterized in that, described light-source system comprises:
Blue LD light source group, comprises and is multiplely distributed in blue LD substrate being launched blue light;
Catoptron group, described catoptron group comprises multiple catoptron, and each blue LD has a catoptron one to one with it, catoptron for the blue light that reflects the blue LD that corresponds and launch to light-dividing device;
Light-dividing device, is arranged on blue light travel path, for transmit blue, and for coloured light that reflected fluorescent light colour wheel newly produces;
Fluorescence colour wheel, be arranged on the downstream travel path of the blue light of light-dividing device transmission, comprise along its central shaft distribution and in fan annular nonoverlapping at least three regions, described at least three regions comprise transmit blue first area, be the second area of ruddiness for converting blue light and be green glow the 3rd region for converting blue light, the new coloured light produced of the first colour wheel reflection is to light-dividing device;
First drive unit, for driving fluorescence colour wheel along its central axis;
First catoptron, for by the blu-ray reflection of fluorescence colour wheel transmission to Multiplexing apparatus;
Second catoptron, for reflecting the new coloured light produced to Multiplexing apparatus by light-dividing device;
Multiplexing apparatus, merges for transmit blue, the new coloured light produced of reflection and then coloured light light path blue light and fluorescence colour wheel newly produced;
Optical filtering colour wheel, be arranged on the travel path of the coloured light after Multiplexing apparatus merges, to comprise along its central shaft and in nonoverlapping at least three regions of fan annular, the 3rd filter area that at least three regions of optical filtering colour wheel comprise the first filter area only allowing blue light to pass through, the second filter area only allowing ruddiness to pass through and only allow green glow to pass through;
Second drive unit, for driving optical filtering colour wheel along its central axis, makes fluorescence colour wheel and optical filtering colour wheel synchronous axial system;
Control device, for controlling the power switch of the first drive unit, the second drive unit and blue LD, makes fluorescence colour wheel and optical filtering colour wheel keep synchronous, to obtain each sequential coloured light of target light power.
2. light-source system according to claim 1, it is characterized in that, it is the 4th region of gold-tinted that at least three regions of described fluorescence colour wheel comprise further for converting blue light, and at least three regions of corresponding optical filtering colour wheel comprise the 4th filter area only allowing gold-tinted to pass through further.
3. light-source system according to claim 2, it is characterized in that, it is the 5th region of green light that at least three regions of described fluorescence colour wheel comprise further for converting blue light, and at least three regions of corresponding optical filtering colour wheel comprise the 5th filter area only allowing green light to pass through further.
4. light-source system according to claim 1, is characterized in that, is provided with optoisolator between described Multiplexing apparatus and optical filtering colour wheel.
5. light-source system according to claim 1, is characterized in that, the first area of described fluorescence colour wheel comprises built-in diffusion sheet, and described diffusion sheet is used for carrying out even light to blue light and eliminating blue light speckle.
6. light-source system according to claim 1, is characterized in that, between catoptron group and light-dividing device, be provided with diffusion sheet, and described diffusion sheet is for carrying out even light and eliminating blue light speckle to the blue light incided on it.
7. light-source system according to claim 1, is characterized in that, the blue light travel path of light-dividing device to fluorescence colour wheel is provided with a diffusion sheet, and described diffusion sheet is for carrying out even light and eliminating blue light speckle to the blue light incided on it.
8. light-source system according to claim 1, is characterized in that, the blue light travel path taking turns to Multiplexing apparatus in iridescent is provided with a diffusion sheet, and described diffusion sheet is for carrying out even light and eliminating blue light speckle to the blue light incided on it.
9. light-source system according to claim 1, is characterized in that, the blue light travel path between Multiplexing apparatus to light collecting device is provided with a diffusion sheet, and described diffusion sheet carries out even light for the blue light incided on it and eliminates blue light speckle.
10. the light-source system according to claim 1-9 any one, it is characterized in that, the first convex lens are provided with between described catoptron group and light-dividing device, plano-convex lens is provided with between described light-dividing device and fluorescence colour wheel, and the convex surface of plano-convex lens is towards light-dividing device, the second convex lens are provided with between fluorescence colour wheel and the first catoptron, the 3rd convex lens are provided with between light-dividing device and the second catoptron, be provided with the 4th convex lens between second catoptron and Multiplexing apparatus, between optical filtering colour wheel and light collecting device, be provided with the 5th convex lens.
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| CN201410004046.0A CN104765239A (en) | 2014-01-03 | 2014-01-03 | Light source system |
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| CN201410004046.0A CN104765239A (en) | 2014-01-03 | 2014-01-03 | Light source system |
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| CN106569381A (en) * | 2015-10-08 | 2017-04-19 | 松下知识产权经营株式会社 | Projection-type image display apparatus |
| TWI587066B (en) * | 2016-07-05 | 2017-06-11 | 台達電子工業股份有限公司 | Optical device |
| CN106873296A (en) * | 2017-04-05 | 2017-06-20 | 苏州佳世达光电有限公司 | Optical projection system |
| CN107577109A (en) * | 2016-07-05 | 2018-01-12 | 台达电子工业股份有限公司 | Optical devices |
| WO2018068471A1 (en) * | 2016-10-13 | 2018-04-19 | 广景视睿科技（深圳）有限公司 | Laser light source device |
| CN108227353A (en) * | 2016-12-14 | 2018-06-29 | 中强光电股份有限公司 | Light source module and projection arrangement |
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| CN110007550A (en) * | 2018-01-04 | 2019-07-12 | 深圳光峰科技股份有限公司 | Light-source system and projection device |
| CN110568707A (en) * | 2019-09-02 | 2019-12-13 | 无锡视美乐激光显示科技有限公司 | laser light source and laser projector |
| WO2020088670A1 (en) * | 2018-11-03 | 2020-05-07 | 苏州乐梦光电科技有限公司 | Color wheel and illuminating system |
| WO2020216264A1 (en) * | 2019-04-24 | 2020-10-29 | 深圳光峰科技股份有限公司 | Light source system and display device |
| US20210382381A1 (en) * | 2020-06-04 | 2021-12-09 | Seiko Epson Corporation | Illuminator and projector |
| CN114911119A (en) * | 2021-02-09 | 2022-08-16 | 苏州佳世达光电有限公司 | Light source module |
| US11493838B2 (en) | 2015-03-20 | 2022-11-08 | Delta Electronics, Inc. | Optical device |
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| CN106873296A (en) * | 2017-04-05 | 2017-06-20 | 苏州佳世达光电有限公司 | Optical projection system |
| CN106873296B (en) * | 2017-04-05 | 2020-03-31 | 苏州佳世达光电有限公司 | Projection system |
| CN109839793A (en) * | 2017-11-28 | 2019-06-04 | 中强光电股份有限公司 | Projector and its lighting system |
| CN109839793B (en) * | 2017-11-28 | 2021-01-29 | 中强光电股份有限公司 | Projector and illumination system thereof |
| CN109991800A (en) * | 2018-01-03 | 2019-07-09 | 深圳光峰科技股份有限公司 | Light supply apparatus and optical projection system |
| CN110007550B (en) * | 2018-01-04 | 2021-11-05 | 深圳光峰科技股份有限公司 | Light source system and projection equipment |
| CN110007550A (en) * | 2018-01-04 | 2019-07-12 | 深圳光峰科技股份有限公司 | Light-source system and projection device |
| US11906889B2 (en) | 2018-01-04 | 2024-02-20 | Appotronics Corporation Limited | Light source system and projection apparatus |
| WO2020088670A1 (en) * | 2018-11-03 | 2020-05-07 | 苏州乐梦光电科技有限公司 | Color wheel and illuminating system |
| CN111856859A (en) * | 2019-04-24 | 2020-10-30 | 深圳光峰科技股份有限公司 | Light source system and display device |
| WO2020216264A1 (en) * | 2019-04-24 | 2020-10-29 | 深圳光峰科技股份有限公司 | Light source system and display device |
| CN111856859B (en) * | 2019-04-24 | 2023-03-10 | 深圳光峰科技股份有限公司 | Light source system and display device |
| CN110568707A (en) * | 2019-09-02 | 2019-12-13 | 无锡视美乐激光显示科技有限公司 | laser light source and laser projector |
| US20210382381A1 (en) * | 2020-06-04 | 2021-12-09 | Seiko Epson Corporation | Illuminator and projector |
| US11556051B2 (en) * | 2020-06-04 | 2023-01-17 | Seiko Epson Corporation | Illuminator and projector |
| CN114911119A (en) * | 2021-02-09 | 2022-08-16 | 苏州佳世达光电有限公司 | Light source module |
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Application publication date: 20150708 |