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CN108255008A - A kind of multi-wavelength multiplex projecting apparatus RGB closes color device - Google Patents

A kind of multi-wavelength multiplex projecting apparatus RGB closes color device Download PDF

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Publication number
CN108255008A
CN108255008A CN201810069483.9A CN201810069483A CN108255008A CN 108255008 A CN108255008 A CN 108255008A CN 201810069483 A CN201810069483 A CN 201810069483A CN 108255008 A CN108255008 A CN 108255008A
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CN
China
Prior art keywords
light
light source
color
closes
combiner
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810069483.9A
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Chinese (zh)
Inventor
侯昌伦
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Hangzhou Changsong Optical Co Ltd
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Hangzhou Changsong Optical Co Ltd
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Publication date
Application filed by Hangzhou Changsong Optical Co Ltd filed Critical Hangzhou Changsong Optical Co Ltd
Priority to CN201810069483.9A priority Critical patent/CN108255008A/en
Publication of CN108255008A publication Critical patent/CN108255008A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings
    • G03B21/206Control of light source other than position or intensity
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings
    • G03B21/2006Lamp housings characterised by the light source
    • G03B21/2013Plural light sources
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/31Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141Constructional details thereof
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/31Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141Constructional details thereof
    • H04N9/315Modulator illumination systems
    • H04N9/3152Modulator illumination systems for shaping the light beam

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)

Abstract

The invention discloses a kind of multi-wavelength multiplex projecting apparatus RGB to close color device, belongs to projector apparatus field, and including the prism being arranged between projection lens and dmd chip, prism side is equipped with G light color combiner, R light color combiner and B light color combiner;It closes color chips reflecting short light source and synthesizes a branch of light source after transmiting long wavelength optical light source in narrowband in each color combiner;The blue light of the green light of G light color combiner synthesis, the feux rouges of R light color combiner synthesis and the synthesis of B light color combiner closes that color chips synthesize beam of white light and optical axis perpendicular to projection lens is incident on prism by two.The light source of three color Single wavelengths has been extended to monochromatic multi wave length illuminating source, and a branch of compound monochromatic light of the monochromatic photosynthesis of multi-wavelength is realized into the output projected image brightness in the case of smaller change projecting apparatus size, substantially increasing projecting apparatus with the specific color chips that closes.

Description

A kind of multi-wavelength multiplex projecting apparatus RGB closes color device
Technical field
The present invention relates to projector apparatus field, specifically, being related to a kind of multi-wavelength multiplex projecting apparatus RGB closes color dress It puts.
Background technology
Projecting apparatus is that the vision signal that outside provides is converted into the electric appliance for projecting image, the optical texture (light of projecting apparatus Power traction is held up) mainly it is made of lighting part and imaging moiety.The major requirement that portable projector proposes is projecting apparatus volume Small, projection brightness of image height, contrast are high.
In a manner that Single wavelength RGB (RGB) light source currently used in the market is as projector light source, if improving Projector light is led to, and is necessarily required to the side that (1) uses the parallel connection of multiple monochromatic sources using larger sized LED, LD chip or (2) Formula no matter using any of above two mode, can all increase the etendue of system, according to the constant original of etendue Reason if wanting to keep the efficiency of lighting system constant, has the clear aperature of increase lighting system only.Due to portable translucent with for Volume has higher requirement, should not be too large.The clear aperature of increase lighting system will necessarily increase the whole body of optical machine engine Product.
Since semiconductor light source unit area light emission luminance is conditional, to increase the brightness of light source, it is necessary to increase light The light-emitting area in source, and the increase of light-emitting area also leads to the corresponding increase of etendue.Due to optics display chip (DMD Chip either LCOS, LCD chip) etendue be it is certain, even by increase semiconductor chip light-emitting surface The brightness to increase light source is accumulated, since the increase of light-emitting area leads to the increase of light source optical propagation, practical lighting system The energy that middle light source is sent out can not be fully utilized.
Invention content
The purpose of the present invention closes color device, the multi-wavelength multiplex skill of use to provide a kind of multi-wavelength multiplex projecting apparatus RGB Art can keep semiconductor light source chips etendue not increased (being increased without light-emitting area), by more The semiconductor light source of a different wave length closes the constant light source of etendue that color chips synthesizes a branch of high brightness by narrowband film, Greatly improve the brightness of optical projection system.
To achieve these goals, multi-wavelength multiplex projecting apparatus RGB provided by the invention closes color device and includes being arranged on throwing Prism between shadow camera lens and dmd chip, prism side are equipped with G light color combiner, R light color combiner and B light color combiner;G light color combiner It is interior that there is the orthogonal shortwave green-light source in the direction of propagation and long wave green-light source, there is direction of propagation phase in R light color combiner Mutually vertical short red wave light source and long-red-wave light source, B light color combiner is interior to have the orthogonal shortwave blue light in the direction of propagation Light source and long wave blue light source;The collimation that shortwave light source and long wavelength optical light source are collimated into directional light respectively is equipped in each color combiner Lens and color chips is closed along the narrowband that both sides directional light intersection point face is set, the narrowband in each color combiner closes color chips by short wavelength light source With synthesizing a branch of light source after long wavelength's light source;The green light of G light color combiner synthesis, the feux rouges and the photosynthetic colors of B of the synthesis of R light color combiner The blue light of device synthesis closes that color chips synthesize beam of white light and optical axis perpendicular to projection lens is incident on prism by two.
In above-mentioned technical proposal, the wavelength of one or more light sources in redgreenblue is extended to by single wavelength more A difference centre wavelength but still the light source for belonging to same color region, such as feux rouges, conventional projector is usually using centre wavelength For the light source of 610nm, centre wavelength can be extended in the technical program as multiple light in the range of 610nm~750nm Source, and using narrowband close color chips multiple light sources are sent out it is photosynthetic for a branch of feux rouges, it is red after closing light when ignoring device loss The luminous flux of light light beam is the summation of multiple red-light sources, since the etendue of the light beam after closing light is compared to single-wavelength light The etendue of source outgoing beam does not increase namely realizes under the premise of lighting system clear aperature is not increased, and increases The output light of big lighting system is led to, and being finally reached increases projecting apparatus output brightness of image.
Wherein, it is using coating process that narrowband, which closes color chips, is synthesized by plural layers, can be as needed by narrowband It closes color chips and is designed to different transmitances, it is made to transmit long wavelength optical light source reflecting short light source or transmission shortwave light source reflection long wave Light source, so as to which the orthogonal shortwave light source in the direction of propagation and long wavelength optical light source be made to synthesize a branch of light source.Herein, long wave and shortwave The concept opposite for one refers to the relative value of the wavelength of light, and such as the light of same color, wavelength is respectively 610nm And 650nm, one is that long wave one is shortwave;For the light of different colours, such as between feux rouges and green light, feux rouges is long wave, Green light is shortwave.
It is same concept that above-mentioned conjunction color chips closes color chips with narrowband, can be designed into transmission long wavelength optical light source reflecting short light Source or transmission shortwave light source reflection long wavelength optical light source, can thus synthesize the red, green, blue of the different directions of propagation a branch of white Light.Specific scheme is for tool in each color combiner there are one transmitted light source and more than two directions of propagation perpendicular to transmitted light source side To reflection source, the point of intersection of corresponding each reflection source and transmitted light source is equipped with narrowband and closes color chips.By increasing light Source quantity further improves brightness.
More specific scheme is synthesized for the narrowband conjunction color chips reflecting short light source in each color combiner and after transmiting long wavelength optical light source For a branch of light source;Transmitted light source is long wavelength optical light source, and reflection source is shortwave light source.It is designed to reflecting short simultaneously narrowband conjunction color chips Long wave is transmitted, and designs a long wavelength optical light source and the multiple and vertically disposed shortwave light source of long wavelength optical light source, shortwave light source Wavelength declines successively, and the structure that narrowband closes color chips also accordingly changes, and corresponding narrowband is selected to close color chips, it is one to be finally synthesizing Light source beam.
Another more specific scheme is for narrowband conjunction color chips reflection long wavelength optical light source in each color combiner and after transmiting shortwave light source Synthesize a branch of light source;Transmitted light source is shortwave light source, and reflection source is long wavelength optical light source.Narrowband conjunction color chips is designed to reflection length Wave simultaneously transmits shortwave, and designs a shortwave light source and the multiple and vertically disposed long wavelength optical light source of shortwave light source, the long glistening light of waves The wavelength in source rises successively, and the structure that narrowband closes color chips also accordingly changes, and suitable narrowband is selected to close color chips, is finally synthesizing For a branch of light source.
Another specific scheme is mutually perpendicular to simultaneously for the feux rouges of R light color combiner synthesis with the green light that G light color combiner synthesizes Color chips being closed by first in point of intersection and synthesizing a branch of orange light, orange light is mutually perpendicular to and with the blue light that B light color combiner synthesizes in intersection point Place closes color chips by second and synthesizes beam of white light, and white light is incident on prism perpendicular to the optical axis of projection lens.
Color chips is closed from the compound green light that G light color combiner comes out by first to close with the compound feux rouges come out from R light color combiner Into a branch of orange light, the compound orange light after synthesis is synthesized a branch of by the second conjunction color chips with the composite blue light come out from B light color combiner White light.This beam recombined white light is compared to luminous flux of the conventional projector with identical clear aperture, bigger.
More specific scheme is incident on prism for the green light of G light color combiner synthesis perpendicular to the optical axis of projection lens, and R is photosynthetic The feux rouges of color device synthesis and the blue light of B light color combiner synthesis are each perpendicular to the light path of feux rouges.
Another specific scheme is equipped with fly's-eye lens for white light in the light path for be incident on prism.Light beam is made to become more Uniformly.
More specific scheme includes two of front and rear setting for fly's-eye lens.
Another specific scheme is equipped with field lens for white light in the light path for be incident on prism.
More specific scheme includes two of front and rear setting for field lens.
Compared with prior art, beneficial effects of the present invention are:
The multi-wavelength multiplex projecting apparatus RGB of the present invention closes color device by the photosynthetic color chips of R by the feux rouges of multiple and different wavelength The a branch of feux rouges of photosynthesis that semiconductor light source is sent out, different wave length feux rouges are synthetically produced the compound feux rouges of an effective wavelength, lead to The a branch of green light of photosynthesis that the photosynthetic color chips of G sends out the Green-emitting semiconductor light source of multiple and different wavelength is crossed, different wave length green light closes Into the compound green light for generating an effective wavelength, the blue semiconductor light of multiple and different wavelength is sent out by the photosynthetic color chips of B The a branch of blue light of photosynthesis, different wave length blue light is synthetically produced the composite blue light of an effective wavelength.Display image is pressed into RGB tri- Color color separation control rgb light source.The recombined white light of synthesis leads to compared to the light that conventional projector has identical clear aperture, bigger Amount.
Description of the drawings
Fig. 1 is the fundamental diagram for the single color combiner that the embodiment of the present invention includes two light sources;
Fig. 2 is the fundamental diagram for the single color combiner that the embodiment of the present invention includes multiple light sources;
Fig. 3 is the overall structure diagram of the embodiment of the present invention;
Fig. 4 is that the narrowband of the embodiment of the present invention closes color chips and light source light spectrum wavelength comparison diagram;
Fig. 5 is that the narrowband of the embodiment of the present invention closes color chips spectral wavelength transmittance curve figure;
Fig. 6 is that the narrowband of the embodiment of the present invention closes color chips spectral wavelength transmittance curve schematic diagram.
Wherein:A, G light color combiner;B, R light color combiner;C, B light color combiner;1st, projection lens;2nd, prism;3rd, dmd chip; 4th, field lens one;5th, fly's-eye lens;6th, second color chips is closed;7th, shortwave green-light source;8th, collimation lens;9th, green light narrowband closes color chips; 10th, first color chips is closed;11st, blue light narrowband closes color chips;12nd, feux rouges narrowband closes color chips;13rd, long wave green-light source;14th, short red wave Light source;15th, long-red-wave light source;16th, long wave blue light source;17th, shortwave blue light source;18th, field lens two.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, with reference to embodiments and its attached drawing is to this hair It is bright to be described further.
Embodiment
Referring to Fig. 1 to Fig. 4, the multi-wavelength multiplex projecting apparatus RGB of the present embodiment closes color device and includes being arranged on projection lens 1 Prism 2 between dmd chip 3,2 side of prism are equipped with G light color combiner A, R light color combiner B and B light color combiner C.
There is the orthogonal shortwave green-light source 7 in the direction of propagation and long wave green-light source 13, short in G light color combiner A The collimation lens that light beam is transformed into directional light is equipped in the direction of beam propagation of wave green-light source 7 and long wave green-light source 13 8, at the face that is formed of intersection point of shortwave green-light source 7 and the directional light of long wave green-light source 13 being equipped with green light narrowband closes color chips 9, green light narrowband closes the 9 energy long green light long wavelength green light of reflecting short of color chips, synthesizes a branch of compound green light.
There is the orthogonal short red wave light source 14 in the direction of propagation and long-red-wave light source 15, short in R light color combiner B Be equipped in the direction of beam propagation of wave red-light source 14 and long-red-wave light source 15 light beam is transformed into directional light collimation it is saturating Mirror 8, at the face that is formed of intersection point of short red wave light source 14 and the directional light of long-red-wave light source 15 being equipped with feux rouges narrowband closes Color chips 12, feux rouges narrowband close the 12 long feux rouges of energy reflecting short of color chips through long wavelength's feux rouges, synthesize a branch of compound feux rouges.
There is the orthogonal shortwave blue light source 17 in the direction of propagation and long wave blue light source 16, short in B light color combiner C Blue light narrowband is equipped at the face that the intersection point of the directional light of wave blue light source 17 and long wave blue light source 16 is formed and closes color chips 11, Shortwave blue light source 17 and the 16 long blue light of energy reflecting short of long wave blue light source synthesize a branch of compound indigo plant through long wavelength's blue light Light.
The blue light of the green light of G light color combiner A synthesis, the feux rouges of R light color combiner B synthesis and B light color combiner C synthesis passes through two A conjunction color chips synthesizes a branch of recombined white light and the optical axis perpendicular to projection lens is incident on prism 2.
In the present embodiment, the green light of G light color combiner A synthesis is incident on prism 2 perpendicular to the optical axis of projection lens, and R is photosynthetic The feux rouges of color device B synthesis and the blue light of B light color combiner C synthesis are each perpendicular to the light path of green light, and same in green light light path Side.Wherein, the feux rouges of R light color combiner B synthesis is closed with the green light that G light color combiner A is synthesized in point of intersection by the first conjunction color chips 10 Into a branch of orange light, orange light closes color chips 6 by second in point of intersection with the blue light that B light color combiner C is synthesized and synthesizes beam of white light, compound White light is perpendicular to being incident on prism 2.
Synthesized beam of white light is mixed by three coloured light by the light that three kinds of color combiner are sent out, three kinds of photosynthetic colors of color Device space arrangement position is not limited to the position in the present embodiment, and spatial position scheme provided in this embodiment is only a kind of feasible Reference example.This beam recombined white light is compared to luminous flux of the conventional projector with identical clear aperture, bigger.
In addition, being set successively in the white light light path of the present embodiment, there are two fly's-eye lens 5, field lens 1 and field lens 2 18, white lights Become equal white light, then dmd chip 3 into 2 corner angle, is reached by field lens 1 and field lens 2 18 respectively by fly's-eye lens 5 On, vision signal is converted to projection image signal and is projected to outside projecting apparatus by projection lens 1 by dmd chip 3.It projects Brightness of image than the brightness of image bigger of conventional projector, and do not change projecting apparatus light path module size and radiating module substantially Size.
One brightness is 100 lumens, and wavelength 435nm, light-emitting area is 2 millimeters × 2.6 millimeters of shortwave blue-ray LED light Source and a brightness are 120 lumens, and wavelength 455nm, light-emitting area is also 2 millimeters × 2.6 millimeters of long wave blue-ray LED light Source closes color chips by narrowband and synthesizes a road blue light, closes the light after beam and leads to for 200 lumens, etendue and single LED core Piece is the same.
One brightness is 1000 lumens, and wavelength 535nm, light-emitting area is 2 millimeters × 2.6 millimeters of shortwave green light LED Light source and a brightness are 1200 lumens, and wavelength 560nm, light-emitting area is also 2 millimeters × 2.6 millimeters of long wave green light LED Light source closes color chips by narrowband and synthesizes a road green light, closes the light after beam and lead to for 2000 lumens, etendue with it is single LED chip is the same.
One brightness is 360 lumens, and wavelength 635nm, light-emitting area is 2 millimeters × 2.6 millimeters of short red wave LED light Source and a brightness are 300 lumens, and wavelength 655nm, light-emitting area is also 2 millimeters × 2.6 millimeters of long-red-wave LED light Source closes color chips by narrowband and synthesizes a road feux rouges, closes the light after beam and leads to for 600 lumens, etendue and single LED core Piece is the same.
Color technology is closed by using narrowband to be combined into two blue-ray LEDs, two green light LEDs and two red-light LEDs The rgb light source of effect is reapplied in conventional projection display system, can obtain nearly 2 times of brightness output.Not using more Brightness before wavelength narrow band conjunction beam is 1680 lumens, and uses narrowband that can obtain 2800 lumens after closing beam technology.And due to closing The etendue of light source does not increase during beam, can be projected system utilization, greatly improve output brightness.
In the present embodiment, green light narrowband closes color chips 9, feux rouges narrowband closes color chips 12, blue light narrowband closes color chips 11 and second The structure that color chips 6 is designed to transmission long wave reflecting short is closed, wavelength transmitance is referring to Fig. 5;First conjunction color chips 10 is designed to The structure of shortwave reflection long wave is transmitted, wavelength transmitance is referring to Fig. 6.Certainly, specific structure is also needed according to specific wavelength It is designed, this is the prior art, is not repeated herein.It, also can be by each color combiner other than the set-up mode of the present embodiment Position is converted, corresponding to change the structure for closing color chips;And the light source setting in each color combiner also can be changed, and change accordingly Become the transmissivity for closing color chips.

Claims (10)

1. a kind of multi-wavelength multiplex projecting apparatus RGB closes color device, including the prism being arranged between projection lens and dmd chip, It is characterized in that:
The prism side is equipped with G light color combiner, R light color combiner and B light color combiner;
It is photosynthetic with the orthogonal shortwave green-light source in the direction of propagation and long wave green-light source, the R in the G light color combiner In color device there is the orthogonal short red wave light source in the direction of propagation and long-red-wave light source, have in the B light color combiner and pass Broadcast the orthogonal shortwave blue light source in direction and long wave blue light source;
It is equipped in each color combiner and shortwave light source and long wavelength optical light source is collimated into the collimation lens of directional light and along both sides respectively The narrowband of directional light intersection point face setting closes color chips, and the narrowband in each color combiner closes color chips by short wavelength light source and longer wavelength light source Synthesize a branch of light source;
The blue light of the green light of the G light color combiner synthesis, the feux rouges of R light color combiner synthesis and B light color combiner synthesis Close that color chips synthesize beam of white light and optical axis perpendicular to the projection lens is incident on the prism by two.
2. multi-wavelength multiplex projecting apparatus RGB according to claim 1 closes color device, it is characterised in that:
In each color combiner tool there are one transmitted light source and more than two directions of propagation perpendicular to the reflected light in transmitted light source direction The point of intersection of source, corresponding each reflection source and transmitted light source is equipped with narrowband and closes color chips.
3. multi-wavelength multiplex projecting apparatus RGB according to claim 2 closes color device, it is characterised in that:
The narrowband closes color chips reflecting short light source and synthesizes a branch of light source after transmiting long wavelength optical light source in each color combiner;
The transmitted light source is long wavelength optical light source, and the reflection source is shortwave light source.
4. multi-wavelength multiplex projecting apparatus RGB according to claim 2 closes color device, it is characterised in that:
The narrowband closes color chips reflection long wavelength optical light source and synthesizes a branch of light source after transmiting shortwave light source in each color combiner;It is described Transmitted light source for shortwave light source, the reflection source is long wavelength optical light source.
5. multi-wavelength multiplex projecting apparatus RGB according to claim 1 closes color device, it is characterised in that:
The feux rouges of the R light color combiner synthesis is mutually perpendicular to the green light that the G light color combiner synthesizes and leads in point of intersection It crosses the first conjunction color chips and synthesizes a branch of orange light, the orange light is mutually perpendicular to and with the blue light that the B light color combiner synthesizes in intersection point Place closes color chips by second and synthesizes beam of white light, and the white light is incident on the prism perpendicular to the optical axis of the projection lens.
6. multi-wavelength multiplex projecting apparatus RGB according to claim 5 closes color device, it is characterised in that:
The green light of the G light color combiner synthesis is incident on the prism, the R perpendicular to the optical axis of the projection lens The feux rouges of light color combiner synthesis and the blue light of B light color combiner synthesis are each perpendicular to the light path of the green light.
7. multi-wavelength multiplex projecting apparatus RGB according to claim 1 closes color device, it is characterised in that:
The white light is equipped with fly's-eye lens on the light path of the prism is incident on.
8. multi-wavelength multiplex projecting apparatus RGB according to claim 7 closes color device, it is characterised in that:
The fly's-eye lens includes two of front and rear setting.
9. multi-wavelength multiplex projecting apparatus RGB according to claim 1 closes color device, it is characterised in that:
The white light is equipped with field lens on the light path of the prism is incident on.
10. multi-wavelength multiplex projecting apparatus RGB according to claim 9 closes color device, it is characterised in that:
The field lens includes two of front and rear setting.
CN201810069483.9A 2018-01-24 2018-01-24 A kind of multi-wavelength multiplex projecting apparatus RGB closes color device Pending CN108255008A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111458891A (en) * 2020-05-07 2020-07-28 青岛海泰新光科技股份有限公司 Combined method for realizing multi-channel color combination light source
CN112305845A (en) * 2020-11-13 2021-02-02 歌尔光学科技有限公司 Projection light path and projection equipment
WO2021258673A1 (en) * 2020-06-24 2021-12-30 成都极米科技股份有限公司 Mixed light source system and projection display device
CN114077139A (en) * 2020-08-21 2022-02-22 成都极米科技股份有限公司 Three-color light source equipment and projection display equipment

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101825829A (en) * 2009-03-06 2010-09-08 上海三鑫科技发展有限公司 Optical engine for micro projector
CN102169234A (en) * 2011-04-30 2011-08-31 成都光升科技有限公司 LCOS (Liquid Crystal On Silicon) micro projector optical system adopting LED (Light Emitting Diode) illumination with RGB (Red Green And Blue) form
CN103399453A (en) * 2013-08-23 2013-11-20 中国华录集团有限公司 A projector light source device for enhancing brightness
US20150022788A1 (en) * 2013-07-22 2015-01-22 Seiko Epson Corporation Projector and method of controlling projector
CN104520767A (en) * 2012-08-01 2015-04-15 Nec显示器解决方案株式会社 Illumination optical system and projection display device
CN104655279A (en) * 2013-11-21 2015-05-27 安捷伦科技有限公司 Optical absorption spectrometry system including dichroic beam combiner and splitter
CN105182673A (en) * 2015-09-11 2015-12-23 成都迅达光电有限公司 Projector
CN106610528A (en) * 2016-12-27 2017-05-03 中国科学院长春光学精密机械与物理研究所 Long-wave infrared and short-wave infrared composite collimation optical system
CN106997142A (en) * 2015-12-18 2017-08-01 卡西欧计算机株式会社 Light supply apparatus and projection arrangement

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101825829A (en) * 2009-03-06 2010-09-08 上海三鑫科技发展有限公司 Optical engine for micro projector
CN102169234A (en) * 2011-04-30 2011-08-31 成都光升科技有限公司 LCOS (Liquid Crystal On Silicon) micro projector optical system adopting LED (Light Emitting Diode) illumination with RGB (Red Green And Blue) form
CN104520767A (en) * 2012-08-01 2015-04-15 Nec显示器解决方案株式会社 Illumination optical system and projection display device
US20150022788A1 (en) * 2013-07-22 2015-01-22 Seiko Epson Corporation Projector and method of controlling projector
CN103399453A (en) * 2013-08-23 2013-11-20 中国华录集团有限公司 A projector light source device for enhancing brightness
CN104655279A (en) * 2013-11-21 2015-05-27 安捷伦科技有限公司 Optical absorption spectrometry system including dichroic beam combiner and splitter
CN105182673A (en) * 2015-09-11 2015-12-23 成都迅达光电有限公司 Projector
CN106997142A (en) * 2015-12-18 2017-08-01 卡西欧计算机株式会社 Light supply apparatus and projection arrangement
CN106610528A (en) * 2016-12-27 2017-05-03 中国科学院长春光学精密机械与物理研究所 Long-wave infrared and short-wave infrared composite collimation optical system

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CN111458891A (en) * 2020-05-07 2020-07-28 青岛海泰新光科技股份有限公司 Combined method for realizing multi-channel color combination light source
WO2021258673A1 (en) * 2020-06-24 2021-12-30 成都极米科技股份有限公司 Mixed light source system and projection display device
US12130545B2 (en) 2020-06-24 2024-10-29 Chengdu Xgimi Technology Co., Ltd. Hybrid light source system and projection display device
CN114077139A (en) * 2020-08-21 2022-02-22 成都极米科技股份有限公司 Three-color light source equipment and projection display equipment
CN112305845A (en) * 2020-11-13 2021-02-02 歌尔光学科技有限公司 Projection light path and projection equipment

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Application publication date: 20180706