CN203745790U - Dual laser light source system - Google Patents
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- CN203745790U CN203745790U CN201420004988.4U CN201420004988U CN203745790U CN 203745790 U CN203745790 U CN 203745790U CN 201420004988 U CN201420004988 U CN 201420004988U CN 203745790 U CN203745790 U CN 203745790U
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Abstract
The utility model relates to a dual laser light source system. The dual laser light source system comprises: a blue LD and a red LD; a beam splitting device for partially transmitting and partially reflecting blue light; a fluorescent color wheel which can be used to convert the blue light into new coloured light and transmit the newly-generated coloured light; a first drive device; a first beam combining device for combining the light paths of the blue light and the newly-generated coloured light; a second beam combining device for combining the light paths of the red light, the newly-generated coloured light and the blue light; a filter color wheel and a third drive device for driving the rotation of the filter color wheel; a control device which is used to control power switches of the first drive device, the second drive device, the third drive device, the blue LD and the red LD to make the fluorescent color wheel and the filter color wheel keep synchronization so as to generate timing coloured light of a target optical power; and a light collection device. Through the above method, the dual laser light source system provided in the utility model can be used to improve the light source colour saturation and the primary light colour purity.
Description
Technical field
The utility model relates to illumination and display technique field, particularly relates to a kind of double laser light source system.
Background technology
Monolithic DLP(Digital Light Processor Digital Light Processor) projector is because needs provide red, green, blue three kinds of colors on an imaging device simultaneously, its image-forming principle is by the colour wheel of a High Rotation Speed, to produce the projected image of full color, and colour wheel is comprised of red, green, blue three color lumps.In prior art, after the colour wheel of the white light that utilization is launched by light source by rotation, redgreenblue in white light can sequence alternate projects DMD(Digtal Micromirror Device digital micro-mirror device) on chip surface, primary reflecting mirror on dmd chip arrives at camera lens, then by camera lens, is projected to screen and makes it imaging.But the serviceable life of bulb source is limited, and the purity of carrying out projection display picture brightness and color with it all can only be relative enough at last, can not meet the requirement of high brightness, high colour purity Projection Display, particularly outdoor Projection Display.
For solving the problems of the technologies described above, a kind of double laser light source system that the utility model provides.
Utility model content
The technical matters that the utility model mainly solves is to provide a kind of double laser light source system, the region division of different reflectivity by controlling beam-splitter on the travel path of blue LD and later use rotating filtering colour wheel RGB light carried out to timesharing select look, the brightness of projection display picture and the colour purity of light source three primary colours can be improved, and then the display quality of projected picture can be improved.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of double laser light source system is provided, comprises:
Blue LD and red LD;
Light-dividing device, is arranged at going out on light path of blue LD, for part transmissive portion reflect blue;
Double mirror group, the blue light reflecting for reflection beam splitting device is to the first Multiplexing apparatus;
Fluorescence colour wheel, be arranged on the downstream travel path of blue light of light-dividing device transmission, at least comprise along its central shaft and be fan annular spread and nonoverlapping the first wavelength transition zone that is green glow for converting blue light, and the coloured light newly producing for transmission is to the first Multiplexing apparatus;
The first drive unit, for driving fluorescence colour wheel to rotate along its central shaft;
The first Multiplexing apparatus, is arranged on the downstream travel path of coloured light of new generation, for new coloured light, the transmit blue producing of reflected fluorescent light colour wheel, and then the new coloured light producing of fluorescence colour wheel and blue light paths is merged;
The second Multiplexing apparatus, be arranged on the downstream travel path of the light of the first Multiplexing apparatus after merging and the going out on light path of red LD, described the second Multiplexing apparatus is the coloured light of transmission except ruddiness and then by ruddiness and the merging of the coloured light light path except ruddiness for reflect red;
Optical filtering colour wheel, be arranged on the heterogeneous light travel path of the second Multiplexing apparatus output, described optical filtering colour wheel comprises at least three regions that are fan annular along its central shaft, and first area is for only passing through blue light, second area is for only by ruddiness, and the 3rd region is for only passing through green glow;
The 3rd drive unit, for driving optical filtering colour wheel to rotate along its central shaft;
Control device, for controlling the power switch of the first drive unit, the second drive unit, the 3rd drive unit and blue LD and red LD, and makes fluorescence colour wheel and optical filtering colour wheel keep synchronous, to produce each sequential coloured light of target light power.
Light collecting device, for collecting the sequential light through the transmission of optical filtering colour wheel;
Wherein, described light-dividing device comprises beam-splitter and the second drive unit, described beam-splitter comprises at least 3 regions, and the zones of different in described at least 3 regions is different to the reflectivity of blue light, identical to the transmissivity of the new coloured light producing of fluorescence colour wheel, described the second drive unit is for driving beam-splitter motion so that under the irradiation of different regions in blue light hot spot.
Wherein, at least 3 regions that described beam-splitter comprises are all fan annular and form the ring-type concentric with the central shaft of beam-splitter, the second drive unit drive beam-splitter rotation so that not in the same time different fan ring areal distribution on the travel path of blue light.
Wherein, described beam-splitter comprises 6 regions.
Wherein, described beam-splitter is rectangular, and the rectangle of described at least 3 regions for being arranged mutually parallel successively, described the second drive unit is used for driving beam-splitter translation, makes not the included different rectangular areas of beam-splitter in the same time be distributed on the travel path of blue light.
Wherein, described beam-splitter comprises 6 regions.
Wherein, described fluorescence colour wheel further comprises along fluorescence colour wheel central shaft and is the second wave length transition zone that is gold-tinted for converting blue light of fanning annular spread, at least three regions of optical filtering colour wheel further comprise the 4th region, and described the 4th region is for only allowing gold-tinted to pass through.
Wherein, described fluorescence colour wheel further comprise along fluorescence colour wheel central shaft be fan annular spread for converting blue light, be green light three-wavelength transition zone, at least three regions of optical filtering colour wheel further comprise the 5th region, and described the 5th region is for only allowing green light to pass through.
Wherein, be provided with a diffusion sheet on the travel path of described blue light, described diffusion sheet is for carrying out even light and eliminating blue light speckle to blue light.
Wherein, between described the second Multiplexing apparatus and optical filtering colour wheel, be provided with optoisolator.
According to the double laser light source system described in above-mentioned any one, , between described blue LD and light-dividing device, be disposed with the first plano-convex lens and the first collimating mirror, and the convex surface of the first plano-convex lens is towards blue LD, the first collimating mirror is for collimating to the emergent light of the first plano-convex lens, between light-dividing device and double mirror group, be provided with the convex surface of the second plano-convex lens and the second plano-convex lens towards double mirror group, the convex surface that is provided with the 3rd plano-convex lens and the 3rd plano-convex lens between included two catoptrons of double mirror group is towards second catoptron, between light-dividing device and fluorescence colour wheel, be provided with the convex surface of convex lens Qie Siping City, Siping City convex lens towards light-dividing device, the convex surface that is provided with the 5th plano-convex lens and the 5th plano-convex lens between light-dividing device and the first Multiplexing apparatus is towards the first Multiplexing apparatus, between red LD and the second Multiplexing apparatus, be disposed with the 6th plano-convex lens and the second collimating mirror, and the convex surface of the 6th plano-convex lens is towards red LD, the second collimating mirror is for collimating to the emergent light of the 6th plano-convex lens, after described the second Multiplexing apparatus, be provided with convex lens, described convex lens are for converging the coloured light after the second Multiplexing apparatus merges.
The beneficial effects of the utility model are: the situation that is different from prior art, the double laser light source system that the utility model provides, by control beam-splitter to the region division of blue light different reflectivity on the travel path of blue light and later use rotating filtering colour wheel polychromatic light carried out to timesharing select look, the color saturation of projection light source and the colour purity of primary lights 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 double laser light source system of the present utility model;
Fig. 2 is the structural representation of the first embodiment of beam-splitter in double laser light source system of the present utility model;
Fig. 3 is the structural representation of the second embodiment of beam-splitter in double laser light source system of the present utility model;
Fig. 4 is the structural representation of the first embodiment of the fluorescence colour wheel of double laser light source system of the present utility model;
Fig. 5 is the structural representation of the first embodiment of the optical filtering colour wheel of double laser light source system of the present utility model;
Fig. 6 is the structural representation of the second embodiment of the fluorescence colour wheel of double laser light source system of the present utility model;
Fig. 7 is the structural representation of the second embodiment of the optical filtering colour wheel of double laser light source system of the present utility model;
Fig. 8 is the structural representation of the 3rd embodiment of the fluorescence colour wheel of double laser light source system of the present utility model;
Fig. 9 is the structural representation of the 3rd embodiment of the optical filtering colour wheel of double laser light source system of the present utility model.
Embodiment
Refer to Fig. 1, Fig. 1 is the structural representation of an embodiment of double laser light source system of the present utility model.As shown in Figure 1, the double laser light source system of the present embodiment comprises: blue LD11, red LD12, light-dividing device (comprising beam-splitter 13 and the second drive unit (not shown)), double mirror group (comprising the first catoptron 14 and the second catoptron 15), fluorescence colour wheel 16, the first drive unit (not shown), the first Multiplexing apparatus 17, the second Multiplexing apparatus 18, optical filtering colour wheel 19, the 3rd drive unit 20, control device (not shown) and light collecting device 21.
In the present embodiment, light-dividing device is arranged at going out on light path of blue LD11, and part transmissive portion is reflected into the blue light being mapped on it.Blue light is incided in double mirror group after light-dividing device reflection, particularly, first blue light is reflected on the first catoptron 14, and blue light is incided on the second catoptron 15 after the first catoptron 14 reflections, and blue light is incided on the first Multiplexing apparatus 17 after the second catoptron 15 reflections.
In the present embodiment, control device is for controlling the power switch of the first drive unit, the second drive unit, the 3rd drive unit 20 and blue LD11 and red LD12, make fluorescence colour wheel 16 and optical filtering colour wheel 19 keep synchronous, to produce each sequential coloured light of target light power.
In the present embodiment, the blue light of blue LD11 transmitting is incided on fluorescence colour wheel 16 by after light-dividing device transmission.Wherein, be provided with material for transformation of wave length (fluorescent material) on fluorescence colour wheel 16, described material for transformation of wave length is for blue light being converted to the coloured light of respective color, and 16 pairs of new coloured light transmissions that produce of fluorescence colour wheel.Therefore, blue light illumination is first by 16 conversions of fluorescence colour wheel after fluorescence colour wheel 16, and then the new coloured light producing incides on the first Multiplexing apparatus 17 after 16 transmissions of fluorescence colour wheel.
In the present embodiment, beam-splitter 13 comprises at least 3 regions, and the zones of different in described at least 3 regions is different to the reflectivity of blue light, the second drive unit for driving beam-splitter 13 motions so that different regions can the irradiation in blue light under.
In a preferred embodiment of the present utility model, at least 3 regions that beam-splitter 13 comprises are all fan annular and form the ring-type concentric with the central shaft of beam-splitter 13.Described in preferred in embodiment of the present utility model, at least 3 regions comprise 6 regions, refer to particularly Fig. 3, Fig. 3 is the structural representation of the first embodiment of beam-splitter in double laser light source system of the present utility model, and certainly in other embodiment of the present utility model, beam-splitter 13 can comprise the fan annular region of other numbers.As shown in Figure 3, beam-splitter 13 comprises 6 fan annular regions 131,132,133,134,135 and 136, and each fan ring is different to the reflectivity of blue light.Can be preferably from fan annular region 131 to the reflectivity incremented/decremented of fanning 136 pairs of blue lights of annular region.
In another preferred embodiment of the present utility model, beam-splitter 13 is rectangular, and the rectangle of described at least 3 regions for being arranged mutually parallel successively, the second drive unit is used for driving beam-splitter 13 translations, and the included different rectangular areas of beam-splitter 13 are distributed on the travel path of blue light.In the present embodiment preferably described at least 3 regions comprise 6 regions, refer to particularly Fig. 4, Fig. 4 is the structural representation of the second embodiment of double laser light source system beam-splitter of the present utility model, and certainly in other embodiment of the present utility model, beam-splitter 13 can comprise the rectangular area of other numbers.As shown in Figure 4, beam-splitter 13` comprises 6 rectangular area 131`, 132`, 133`, 134`, 135` and 136`, and each rectangular area is different to the reflectivity of blue light.The preferred reflectivity incremented/decremented to blue light from rectangular area 131` to rectangular region 136`.
In other embodiment of the present utility model, beam-splitter 13 can comprise the region of at least 3 other shapes, and the utility model does not limit this.
In the present embodiment, through the coloured light of fluorescence colour wheel 16 transmissions, incide on the first Multiplexing apparatus 17 the first Multiplexing apparatus 17 transmit blue, the new coloured light producing of reflected fluorescent light colour wheel 16 and then the light path of blue light and the new coloured light producing is merged.First the ruddiness of red LD12 transmitting incide on the second Multiplexing apparatus 18, then by the second Multiplexing apparatus 18 reflections, and incide the coloured light of the new generation on the second Multiplexing apparatus 18 and blue light by the second Multiplexing apparatus 18 transmissions, the second Multiplexing apparatus 18 is by reflection to red light, merge ruddiness, the new coloured light producing and the light path of blue light to the coloured light of new generation and blue light transmissive mode, and the coloured light after the second Multiplexing apparatus 18 light paths merge incides on optical filtering colour wheel 19 then.
Refer to Fig. 4, Fig. 4 is the structural representation at the first embodiment of the fluorescence colour wheel of double laser light source system of the present utility model.As shown in Figure 4, fluorescence colour wheel 16 comprises that along its central shaft, being the first wavelength transition zone 161, the first wavelength transition zones 161 of fanning annular spread is green glow for converting blue light.Correspondingly, as shown in Figure 5, Fig. 5 is the structural representation of the first embodiment of the optical filtering colour wheel of double laser light source system of the present utility model to the structure of optical filtering colour wheel 19.As shown in Figure 5, optical filtering colour wheel 19 comprises three regions that are fan annular along its central shaft, and first area 191 is for only allowing blue light to pass through, and second area 192 is for only allowing ruddiness to pass through, and the 3rd region 193 is for only allowing green glow to pass through.The 3rd drive unit 20 is in the process that drives optical filtering colour wheel 19 to rotate along its central shaft, first area 191, second area 192, the 3rd region 193 are arranged alternately on the travel path of RGB light, therefore only have at one time a region to be mapped to by RGB illumination, and only have at one time a kind of light of color by optical filtering colour wheel 19.Light through 19 outgoing of optical filtering colour wheel is red, green, blue three primary colours sequential light.Red, green, blue three primary colours sequential light enters to inject light collecting device 21 and incides on dmd chip after the even light of light collecting device 21.
Refer to Fig. 6 and Fig. 7, Fig. 6 is the structural representation of the second embodiment of the fluorescence colour wheel of double laser light source system of the present utility model, and Fig. 7 is the structural representation of the second embodiment of the optical filtering colour wheel of double laser light source system of the present utility model.As shown in Figure 6, fluorescence colour wheel 16` comprises along its central shaft and is the first wavelength transition zone 161` and the second wave length transition zone 162` that fans annular spread, the first wavelength transition zone 161` is green glow for converting blue light, and second wave length transition zone 162` is gold-tinted for converting blue light.Correspondingly, as shown in Figure 7, optical filtering colour wheel 19` comprises four regions that are fan annular along its central shaft, first area 191` is for only allowing blue light to pass through, second area 192` is for only allowing ruddiness to pass through, the 3rd region 193` is for only allowing green glow to pass through, and the 4th region 194` is for only allowing gold-tinted to pass through.The 3rd drive unit 20 is in the process that drives optical filtering colour wheel 19` to rotate along its central shaft, first area 191`, second area 192`, the 3rd region 193` and the 3rd region 194` are arranged alternately on the travel path of RGB gold-tinted, therefore only have at one time a region to be mapped to by red, green, blue and yellow illumination, and only have at one time a kind of light transmission optical filtering colour wheel 19` of color.Light through optical filtering colour wheel 19` transmission is red, green, blue, yellow four primary colours sequential light.Red, green, blue, yellow three primary colours sequential light enter to inject light collecting device 21 and incide on dmd chip after the even light of light collecting device 21.
Refer to Fig. 8 and Fig. 9, Fig. 8 is the structural representation of the 3rd embodiment of the fluorescence colour wheel of double laser light source system of the present utility model, and Fig. 9 is the structural representation of the 3rd embodiment of the optical filtering colour wheel of double laser light source system of the present utility model.As shown in Figure 8, fluorescence colour wheel 16`` comprises along its central shaft and is the first wavelength transition zone 161``, second wave length transition zone 162`` and the three-wavelength transition zone 162`` that fans annular spread, the first wavelength transition zone 161`` is green glow for converting blue light, second wave length transition zone 162`` is gold-tinted for converting blue light, and three-wavelength transition zone 162`` is green light and reflects green light for converting blue light.Correspondingly, as shown in Figure 9, optical filtering colour wheel 19`` comprises five regions that are fan annular along its central shaft, first area 191`` is for only allowing blue light to pass through, second area 192`` is for only allowing ruddiness to pass through, the 3rd region 193`` is for only allowing green glow to pass through, and the 4th region 194`` is for only allowing gold-tinted to pass through, and the 5th region 195`` is for only allowing green light to pass through.The 3rd drive unit 20 is in the process that drives optical filtering colour wheel 19`` to rotate along its central shaft, first area 191``, second area 192``, the 3rd region 193``, the 4th region 194`` and the 5th region 195`` are arranged alternately on the travel path of red, green, blue and yellow green light, therefore only have at one time a region to be mapped to by red, green, blue and yellow illumination, and only have at one time a kind of light transmission optical filtering colour wheel 19`` of color.Light through optical filtering colour wheel 19`` transmission is red, green, blue, Huang, blue or green five primary colours sequential light.Red, green, blue, Huang, blue or green three primary colours sequential light enter to inject light collecting device 21 and incide on dmd chip after the even light of light collecting device 21.
In a preferred embodiment of the present utility model, on the travel path of blue light, be provided with a diffusion sheet, described diffusion sheet is for carrying out even light and eliminating blue light speckle to blue light.
In embodiment of the present utility model, in order to isolate the impact of reflected light on light source, an optoisolator is set on the travel path of blue light and/or ruddiness, preferably between the second Multiplexing apparatus 18 and optical filtering colour wheel 19, be provided with optoisolator.
Description according to above-mentioned any one to double laser light source system of the present utility model, preferred in actual use:
Between blue LD and light-dividing device, set gradually the first plano-convex lens 22 and the first collimating mirror 23, and the convex surface of the first plano-convex lens 22 is towards blue LD11, the first collimating mirror 23 is for collimating to the emergent light of the first plano-convex lens 22;
The convex surface that between light-dividing device and double mirror group, the second plano-convex lens 24 and the second plano-convex lens 24 is set is towards double mirror group;
The convex surface that between included two catoptrons 14,15 of double mirror group, the 3rd plano-convex lens 25 and the 3rd plano-convex lens 25 is set is towards second catoptron 15;
The convex surface of Siping City's convex lens 26 Qie Siping City convex lens 26 is set between light-dividing device and fluorescence colour wheel 16 towards light-dividing device;
The convex surface of the 5th plano-convex lens 27 and the 5th plano-convex lens 27 is set between light-dividing device and the first Multiplexing apparatus 17 towards the first Multiplexing apparatus 17;
Between red LD12 and the second Multiplexing apparatus 18, set gradually the 6th plano-convex lens 28 and the second collimating mirror 29, and the convex surface of the 6th plano-convex lens 28 is towards red LD12, the second collimating mirror 29 is for collimating to the emergent light of the 6th plano-convex lens 28;
After the second Multiplexing apparatus 18, be provided with convex lens 30, convex lens 30 are for converging the polychromatic light after the second Multiplexing apparatus 18 light paths merge.
By the way, the double laser light source system that the utility model provides, the region division of different reflectivity by controlling beam-splitter on the travel path of blue light and later use rotating filtering colour wheel polychromatic light carried out to timesharing select look, the color saturation of Projection Display light source and the colour purity of primary lights can be improved, and then the display quality of projected picture can be improved.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model instructions and accompanying drawing content to do; 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 utility model.
Claims (10)
1. a double laser light source system, is characterized in that, described double laser light source system comprises:
Blue LD and red LD;
Light-dividing device, is arranged at going out on light path of blue LD, for part transmissive portion reflect blue;
Double mirror group, the blue light reflecting for reflection beam splitting device is to the first Multiplexing apparatus;
Fluorescence colour wheel, be arranged on the downstream travel path of blue light of light-dividing device transmission, at least comprise along its central shaft and be fan annular spread and nonoverlapping the first wavelength transition zone that is green glow for converting blue light, and the coloured light newly producing for transmission is to the first Multiplexing apparatus;
The first drive unit, for driving fluorescence colour wheel to rotate along its central shaft;
The first Multiplexing apparatus, is arranged on the downstream travel path of coloured light of new generation, for new coloured light, the transmit blue producing of reflected fluorescent light colour wheel, and then the new coloured light producing of fluorescence colour wheel and blue light paths is merged;
The second Multiplexing apparatus, be arranged on the downstream travel path of the light of the first Multiplexing apparatus after merging and the going out on light path of red LD, described the second Multiplexing apparatus is the coloured light of transmission except ruddiness and then by ruddiness and the merging of the coloured light light path except ruddiness for reflect red;
Optical filtering colour wheel, be arranged on the heterogeneous light travel path of the second Multiplexing apparatus output, described optical filtering colour wheel comprises at least three regions that are fan annular along its central shaft, and first area is for only passing through blue light, second area is for only by ruddiness, and the 3rd region is for only passing through green glow;
The 3rd drive unit, for driving optical filtering colour wheel to rotate along its central shaft;
Control device, for controlling the power switch of the first drive unit, the second drive unit, the 3rd drive unit and blue LD and red LD, and makes fluorescence colour wheel and optical filtering colour wheel keep synchronous, to produce each sequential coloured light of target light power.
Light collecting device, for collecting the sequential light through the transmission of optical filtering colour wheel;
Wherein, described light-dividing device comprises beam-splitter and the second drive unit, described beam-splitter comprises at least 3 regions, and the zones of different in described at least 3 regions is different to the reflectivity of blue light, identical to the transmissivity of the new coloured light producing of fluorescence colour wheel, described the second drive unit is for driving beam-splitter motion so that under the irradiation of different regions in blue light hot spot.
2. double laser light source system according to claim 1, it is characterized in that, at least 3 regions that described beam-splitter comprises are all fan annular and form the ring-type concentric with the central shaft of beam-splitter, the second drive unit drive beam-splitter rotation so that not in the same time different fan ring areal distribution on the travel path of blue light.
3. double laser light source system according to claim 2, is characterized in that, described beam-splitter comprises 6 regions.
4. double laser light source system according to claim 1, it is characterized in that, described beam-splitter is rectangular, and the rectangle of described at least 3 regions for being arranged mutually parallel successively, described the second drive unit is used for driving beam-splitter translation, makes not the included different rectangular areas of beam-splitter in the same time be distributed on the travel path of blue light.
5. double laser light source system according to claim 4, is characterized in that, described beam-splitter comprises 6 regions.
6. double laser light source system according to claim 1, it is characterized in that, described fluorescence colour wheel further comprises along fluorescence colour wheel central shaft and is the second wave length transition zone that is gold-tinted for converting blue light of fanning annular spread, at least three regions of optical filtering colour wheel further comprise the 4th region, and described the 4th region is for only allowing gold-tinted to pass through.
7. double laser light source system according to claim 6, it is characterized in that, described fluorescence colour wheel further comprise along fluorescence colour wheel central shaft be fan annular spread for converting blue light, be green light three-wavelength transition zone, at least three regions of optical filtering colour wheel further comprise the 5th region, and described the 5th region is for only allowing green light to pass through.
8. double laser light source system according to claim 1, is characterized in that, is provided with a diffusion sheet on the travel path of described blue light, and described diffusion sheet is for carrying out even light and eliminating blue light speckle to blue light.
9. double laser light source system according to claim 1, is characterized in that, between described the second Multiplexing apparatus and optical filtering colour wheel, is provided with optoisolator.
10. according to the double laser light source system described in claim 1-9 any one, it is characterized in that, between described blue LD and light-dividing device, be disposed with the first plano-convex lens and the first collimating mirror, and the convex surface of the first plano-convex lens is towards blue LD, the first collimating mirror is for collimating to the emergent light of the first plano-convex lens, between light-dividing device and double mirror group, be provided with the convex surface of the second plano-convex lens and the second plano-convex lens towards double mirror group, the convex surface that is provided with the 3rd plano-convex lens and the 3rd plano-convex lens between included two catoptrons of double mirror group is towards second catoptron, between light-dividing device and fluorescence colour wheel, be provided with the convex surface of convex lens Qie Siping City, Siping City convex lens towards light-dividing device, the convex surface that is provided with the 5th plano-convex lens and the 5th plano-convex lens between light-dividing device and the first Multiplexing apparatus is towards the first Multiplexing apparatus, between red LD and the second Multiplexing apparatus, be disposed with the 6th plano-convex lens and the second collimating mirror, and the convex surface of the 6th plano-convex lens is towards red LD, the second collimating mirror is for collimating to the emergent light of the 6th plano-convex lens, after described the second Multiplexing apparatus, be provided with convex lens, described convex lens are for converging the coloured light after the second Multiplexing apparatus merges.
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| CN201420004988.4U CN203745790U (en) | 2014-01-03 | 2014-01-03 | Dual laser light source system |
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| CN201420004988.4U CN203745790U (en) | 2014-01-03 | 2014-01-03 | Dual laser light source system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104597629A (en) * | 2014-12-30 | 2015-05-06 | 深圳市亿思达科技集团有限公司 | Light source device based on liquid crystal box polarization conversion and laser display |
| CN104597628A (en) * | 2014-12-30 | 2015-05-06 | 深圳市亿思达科技集团有限公司 | Light source device based on liquid crystal box and laser display |
| CN105807533A (en) * | 2014-12-30 | 2016-07-27 | 深圳市亿思达科技集团有限公司 | Light source device based on nonlinear crystals and laser displayer |
| CN105805691A (en) * | 2014-12-30 | 2016-07-27 | 深圳市亿思达科技集团有限公司 | Laser television light source system based on liquid crystal box |
| WO2018028240A1 (en) * | 2016-08-09 | 2018-02-15 | 深圳市光峰光电技术有限公司 | Light-source system and projection device |
| CN108375867A (en) * | 2017-02-01 | 2018-08-07 | 精工爱普生株式会社 | Light supply apparatus and projecting apparatus |
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2014
- 2014-01-03 CN CN201420004988.4U patent/CN203745790U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597629A (en) * | 2014-12-30 | 2015-05-06 | 深圳市亿思达科技集团有限公司 | Light source device based on liquid crystal box polarization conversion and laser display |
| CN104597628A (en) * | 2014-12-30 | 2015-05-06 | 深圳市亿思达科技集团有限公司 | Light source device based on liquid crystal box and laser display |
| CN105807533A (en) * | 2014-12-30 | 2016-07-27 | 深圳市亿思达科技集团有限公司 | Light source device based on nonlinear crystals and laser displayer |
| CN105805691A (en) * | 2014-12-30 | 2016-07-27 | 深圳市亿思达科技集团有限公司 | Laser television light source system based on liquid crystal box |
| WO2018028240A1 (en) * | 2016-08-09 | 2018-02-15 | 深圳市光峰光电技术有限公司 | Light-source system and projection device |
| US11048157B2 (en) | 2016-08-09 | 2021-06-29 | Appotronics Corporation Limited | Light-source system and projection device |
| CN108375867A (en) * | 2017-02-01 | 2018-08-07 | 精工爱普生株式会社 | Light supply apparatus and projecting apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN YISIDA TECHNOLOGY GROUP CO., LTD. Free format text: FORMER NAME: SHENZHEN ESTA DISPLAY TECHNOLOGY CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 518000 Shenzhen, Nanshan District, China Hi Tech in the world, the world's 806 digital building, room three Patentee after: SHENZHEN ESTAR DISPLAYTECH CO., LTD. Address before: 518000, District, Shenzhen, Nanshan District high tech Zone, Southern District, B1 digital technology park, building 2, C Patentee before: Shenzhen Esta Display Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20200103 |