CN109375462A - A kind of New Projection Display light-source structure of small size - Google Patents
A kind of New Projection Display light-source structure of small size Download PDFInfo
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- CN109375462A CN109375462A CN201811195541.9A CN201811195541A CN109375462A CN 109375462 A CN109375462 A CN 109375462A CN 201811195541 A CN201811195541 A CN 201811195541A CN 109375462 A CN109375462 A CN 109375462A
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- light
- laser
- fluorescence
- light source
- small size
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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
-
- 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
-
- 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
- G03B21/208—Homogenising, shaping of the illumination light
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Abstract
The present invention relates to projection light source technical fields, more particularly to a kind of New Projection Display light-source structure of small size.Transmission area is arranged in spectrum groupware and directly transmits to the part light that light source issues for it, and the fraction of laser light that setting echo area issues light source reflects, and is irradiated on fluorescent wheel and excites fluorescence.Both fluorescence and laser are combined into an optical path, to realize that optical path is simplified, the quantity of light path lens is reduced, while reducing volume, reduces cost.Furthermore, it is possible to which the blue laser different using two kinds of dominant wavelengths, improves fluorescence launching efficiency to improve the phototransformation efficiency of entire light source, output light flux is high, meets the needs of highlighted, while reducing the stimulation to human eye.The present invention monochromatic blue laser compatible simultaneously, the blue various light sources scheme such as laser and three kinds of red laser, RGB lasers, are conducive to sharing die when batch production, reduce expensive die cost.
Description
Technical field
The present invention relates to projection light source technical fields, more particularly to a kind of New Projection Display light source knot of small size
Structure.
Background technique
Nowadays, more and more household appliances manufacturers start to draw close to laser television product battle line, with a series of depth of brands
Enter, laser projection is also allowed gradually to obtain the attention of the consumer group, it is lamp respectively that the light emitting source of optical projection system, which is broadly divided into three classes,
Steep light source, LED light source and laser light source.Laser light source is projection light source in recent years of greatest concern, and laser light source has color
The features such as bright-coloured and spectral luminance factor is high can synthesize the color domain coverage ratio of 90% or more nature color seen in human eye, realize
The color rendition of beauty.Meanwhile laser light source just has the brightness and longer service life of superelevation, greatly reduces the maintenance in later period
Cost.
Existing light source of projector is usually that the light irradiation fluorescent wheel issued using blue laser source generates fluorescence, and fluorescence
The transmission area that light is issued for transmiting blue laser source is provided on wheel, past light is needed by multiple reflection thoroughly from transmission area
Light combination could be carried out with fluorescence by turning back, and optical path is complicated, lens component is more, and occupancy volume is big, at high cost.
Summary of the invention
It is an object of the invention to: Fig. 1 is referred to, existing light source of projector is that transmission area is arranged on fluorescent wheel, light source hair
It is combined into again with fluorescence light path all the way after a series of optical paths are turned back after blue laser transmission out, causes light source volume larger, mirror
Chip part is more, at high cost.Therefore the present invention provides a kind of New Projection Display light-source structures of small size, in spectrum groupware
Transmission area is arranged directly to transmit the part light that light source issues, setting echo area light source is issued part light (blue laser or
Ultraviolet laser) it is reflected, it is irradiated on fluorescent wheel and excites fluorescence.Spectrum groupware is in a certain angle with light source, therefore transmitted light
The fluorescence obtained with excitation is in a certain angle, rather than transmission is completely reversed in Fig. 1 optical path, at this time again by reflection subassembly to the two
One of carry out reflection and turn back optical path, both make to be combined into an optical path, to realize that optical path is simplified, reduce the quantity of light path lens,
Volume is reduced simultaneously, reduces cost.
The present invention specifically uses following technical scheme to achieve the goals above:
A kind of New Projection Display light-source structure of small size comprising light source, fluorescent wheel, spectrum groupware and reflection subassembly；
The spectrum groupware is arranged relative to the light source incline；The light source emits laser to the spectrum groupware；The light splitting group
Part includes transmission area and echo area；The laser includes transmission area laser and echo area laser, and the transmission area laser passes through institute
Transmission area is stated, the echo area laser reflexes to the fluorescent wheel by the echo area；Close to described point on the fluorescent wheel
The side of optical assembly is equipped with fluorescent powder coat；Fluorescent powder coat described in the echo area laser excitation, generate with it is described
The reversed fluorescence of echo area laser；The fluorescence pass through the spectrum groupware, by the reflection subassembly reflection after with it is described
Penetrate area's laser symport.
In a kind of embodiment of the invention:
The transmission area laser is the blue laser that dominant wavelength is 450~460nm；The echo area laser is that dominant wavelength is
The blue laser of 440~450nm.
In a kind of embodiment of the invention:
The echo area laser is ultraviolet source.
In a kind of embodiment of the invention:
The spectrum groupware includes spaced coated glass；The coated glass is configured to swash the echo area
Light is reflected, and is transmitted to the fluorescence.
In a kind of embodiment of the invention:
Plated film mode on the coated glass includes that vertical bar equidistantly arranges the equidistant plated film of plated film, horizontal stripe, slanted bar etc.
Spacing plated film or poroid hollow out.
In a kind of embodiment of the invention:
The spectrum groupware includes spaced prism；Gap between the adjacent prism is transmission area；The rib
Mirror is echo area.
In a kind of embodiment of the invention:
The prism is triangular pyramid type prism；The prism is configured to close to the face of the fluorescent wheel to the echo area
Laser is reflected, and is transmitted to other light, is configured to carry out thoroughly light source in the face of angle therewith on the prism
It penetrates while reflected fluorescent light；The prism is configured to transmit light source and fluorescence far from the face of the light source.
In a kind of embodiment of the invention:
The spectrum groupware includes the first eyeglass and the second eyeglass for mutually forming angle；First eyeglass is towards light source
Side be two colors to mirror, two color to mirror plated film be configured to reflect the echo area laser and transmit fluorescence；It is described
Second eyeglass is reflecting mirror, and the reflecting mirror reflects light source and fluorescence.
In a kind of embodiment of the invention:
The reflection subassembly is at least one of reflecting mirror, reflecting prism or two colors to mirror.
In a kind of embodiment of the invention:
The New Projection Display light-source structure of the small size further includes focusing shaping lens set, colour filter colour wheel and optical wand；Institute
Successively enter the light by the focusing shaping lens set and the colour filter colour wheel after stating light source and fluorescence synthesis all the way
It is emitted after the even light of stick.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1. a kind of New Projection Display light-source structure of small size provided by the invention, it is few that structure is simple, optical path is turned back, light
Energy loss is small, and lens component is few, occupies small in size, low manufacture cost, stability in use is good, meets the needs of miniaturization.
2. improving fluorescence launching efficiency using the different blue laser of two kinds of dominant wavelengths to improve the light conversion of entire light source
Efficiency, output light flux is high, meets the needs of highlighted, while reducing the stimulation to human eye.
3. the present invention while compatible monochromatic blue laser, a variety of light of blue laser and three kinds of red laser, RGB lasers etc.
Source scheme is conducive to sharing die when batch production, reduces expensive die cost.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the schematic diagram of light source structure of projector in the prior art；
Fig. 2 is a kind of structural schematic diagram of the New Projection Display light-source structure of small size in the embodiment of the present invention 1；
Fig. 3 is a kind of structural schematic diagram of spectrum groupware in the embodiment of the present invention 1；
Fig. 4 is the structural schematic diagram of another spectrum groupware in the embodiment of the present invention 1；
Fig. 5 is a kind of structural schematic diagram of spectrum groupware in the embodiment of the present invention 2；
Fig. 6 is a kind of structural schematic diagram of spectrum groupware in the embodiment of the present invention 2；
Fig. 7 is a kind of structural schematic diagram of spectrum groupware in the embodiment of the present invention 3；
Fig. 8 is a kind of structural schematic diagram of spectrum groupware in the embodiment of the present invention 4.
In the figure, it is marked as 1- light source；11- transmission area laser；The echo area 12- laser；31- transmission area；The echo area 32-；3-
Spectrum groupware；4- reflection subassembly；The first light-beam forming unit of 2-；The second light-beam forming unit of 5-；6- fluorescent wheel；7- focuses shaping
Lens set；8- colour filter colour wheel；9- optical wand；The first reflecting mirror of 41-；The second reflecting mirror of 42-；Bis- color of 43- is to mirror.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.In addition, term " the
One ", " second " etc. is only used for distinguishing description, is not understood to indicate or imply relative importance.
In the description of embodiment of the present invention, it should be noted that the orientation of the instructions such as term "inner", "outside", "upper"
Or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the orientation usually put
Or positional relationship, it is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning
It must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Embodiment 1
A kind of New Projection Display light-source structure of small size is present embodiments provided, optical path is simple, and it is few using component, it accounts for
With small in size, low manufacture cost, compatible 1 scheme of various light sources is conducive to sharing die when batch production.
Referring to figs. 2 to Fig. 4, specifically, the New Projection Display light-source structure of small size includes light source 1, fluorescent wheel 6, light splitting
Component 3 and reflection subassembly 4；Spectrum groupware 3 is obliquely installed relative to light source 1；Light source 1 emits laser to spectrum groupware 3；Light splitting group
Part 3 includes transmission area 31 and echo area 32；Laser includes transmission area laser 11 and echo area laser 12, and transmission area laser 11 passes through
Transmission area 31, echo area laser 12 reflex to fluorescent wheel 6 by echo area 32；On fluorescent wheel 6 on the side of spectrum groupware 3
Equipped with fluorescent powder coat；Laser 12 excitated fluorescent powder coat in echo area generates and the reversed fluorescence of echo area laser 12；It is glimmering
Light pass through spectrum groupware 3, by reflection subassembly 4 reflection after with 11 symport of transmission area laser.
In the present embodiment, light source 1 is divided into transmission area laser 11 and echo area laser 12 for providing blue laser.The two
Time-sharing work, when needing fluorescence, echo area laser 12 works, and the 11 ability work of transmission area laser when needing the color of light source 1
Make, reduces operating power consumption.Preferably, transmission area laser 11 is the blue laser that dominant wavelength is 450~460nm；Echo area laser 12
The blue laser for being 440~450nm for dominant wavelength is realized smaller to human eye stimulation.
Spectrum groupware 3 includes spaced prism；Gap between adjacent prisms is transmission area 31；Prism is echo area
32.Further, prism is triangular pyramid type prism ABCO, and prism angle is preferably 90 degree.Face AOB of the prism close to fluorescent wheel 6
It is configured to reflect echo area laser 12, other light is transmitted, therewith in the face AOC of angle by structure on prism
It causes light source 1 is carried out to transmit while reflected fluorescent light；Prism is configured to carry out light source 1 and fluorescence far from the face BOC of light source 1
Transmission.I.e. in the present embodiment, the AOB for facing light source 1 reflects echo area laser 12, AOC pairs of one side normal thereto
Transmission area laser 11, which is transmitted, reflects fluorescence, and the one side BOC parallel with light source 1 transmits all band.
Reflection subassembly 4 is reflecting mirror or reflecting prism, is placed with spectrum groupware 3 in oblique angle, preferably 90 degree, to visible
Light all band is reflected.
Obviously, to reduce cost, prism can also use two and face AOB, BOC plated film phase in other specific embodiments
Same reflecting mirror substitution, wherein the first eyeglass for facing light source 1 is two colors to mirror 43, plated film is that the light that reflection source 1 issues is saturating
Fluorescence is penetrated, it is reflecting mirror that the second eyeglass forms an angle with the first eyeglass, and the light and fluorescence issue to light source 1 reflects.
In the present embodiment, it is provided with the first light-beam forming unit 2 between light source 1 and spectrum groupware 3, light source 1 is issued
Light beam carry out shaping focusing, can be used focusing lens and diffusion sheet, hot spot is carried out shaping and compression, diffusion sheet by focusing lens
For eliminating speckle, while hot spot being made to be evenly distributed, promotes fluorescence launching efficiency on fluorescent wheel 6, can also be adopted when compressing hot spot
With reflection microscope group, hot spot compression is carried out while optical path of turning back；
The second light-beam forming unit 5 is provided between spectrum groupware 3 and fluorescent wheel 6, the second light-beam forming unit 5 is using poly-
Focus lens, the fluorescence that can be generated to excitation are focused shaping.
Fluorescent powder area on fluorescent wheel 6 includes that red fluorescence powder area, green emitting phosphor area, yellow fluorescent powder area, orange are glimmering
The area Guang Fen is therein several, in the present embodiment, red fluorescence powder area, green emitting phosphor area, yellow is provided on fluorescent wheel 6
Fluorescent powder area.
Echo area laser 12 is oriented to fluorescent wheel 6 by the face AOB of 3 prism of spectrum groupware to swash by the blue laser that light source 1 generates
It fluoresces, while the fluorescence of the visible light of non-blue laser wavelength is transmitted, one side AOC normal thereto is to transmission area laser
11 are transmitted and are reflected fluorescence, and reflection subassembly 4 reflects fluorescence, with the photosynthesis transmitted by spectrum groupware 3
Symport is carried out all the way, is passed through colour filter colour wheel 8 after line focus shaping lens group and is entered optical wand 9.
Both transmission area laser 11 and echo area laser 12 can time-sharing work, operating power consumption is reduced, when light source 1 is to output light
When color is of less demanding, such mode can save colour filter colour wheel 8；Or work at the same time, then colour filter colour wheel 8 must use.
Detailed process is as follows for time-sharing work:
Echo area laser 12 issues blue laser, and the face spectrum groupware 3AOB is irradiated to after the first light-beam forming unit 2
On be reflected by it to the second light-beam forming unit 5, echo area laser 12 is irradiated to fluorescent wheel after passing through the second light-beam forming unit 5
On 6,6 high speed rotation of fluorescent wheel, to excite the fluorescence for generating various colors.Fluorescent wheel 6 successively rotate to red fluorescence powder area,
When green emitting phosphor area, yellow fluorescent powder area, successively excitation generates red, green and Huang after 12 focusing illumination of echo area laser
The fluorescence of color, fluorescence is reflected from fluorescent wheel 6 enters the second light-beam forming unit 5 by directive light splitting group after its focusing shaping
Part 3, red fluorescence successively pass through light-beam forming unit, colour filter colour wheel 8 after reflecting from the face spectrum groupware 3AOC and reflection subassembly 4
It is exported with after optical wand 9.When needing blue laser output, transmission area laser 11 is started to work, and issues blue laser, whole by the first light beam
Shape dress transmits after being irradiated to the gap between the face spectrum groupware 3AOC and prism after setting 2 to light-beam forming unit, then passes through
It is exported after colour filter colour wheel 8 and optical wand 9；Red fluorescence, green fluorescence, yellow fluorescence and the sending blue laser of light source 1 are mixed into white
Light carries out projection lighting.
Embodiment 2
With reference to Fig. 5 and Fig. 6, the present embodiment is similar to Example 1, the difference is that: spectrum groupware 3 uses two colors to mirror
43 are intervally arranged, and echo area 32 is two colors to mirror 43, and plated film requires to reflect blue laser and transmiting fluorescence, transmission area 31 be two colors to
The gap that mirror 43 is arranged.Two colors can be fixed to mirror 43 by the upper cover and lower cover card slot of structure when specific implementation.
In addition in the present embodiment, the glass of the interval plated film such as Fig. 5,32 plated film of echo area can also be used in spectrum groupware 3
It is required that transmission area 31 plates anti-reflection film or not plated film reflect to blue laser while transmit to the fluorescence being excited,
Blue laser and fluorescence are transmitted.Interval plated film can equidistantly arrange plated film or the equidistant plated film of horizontal stripe for vertical bar, or
It for the equidistant plated film of slanted bar, or is poroid hollow out.The structure is not limited to certain concrete mode, as long as can in spectrum groupware 3
Realize the blue laser transmission in part, the blue laser reflection in part, the light transmission of remaining color.
Embodiment 3
With reference to Fig. 7, the present embodiment difference from Example 2 is, changes the reflection subassembly 4 in above-described embodiment 2
Position, the transmission area laser 11 of transmission is reflected, thus consistent with the transmission direction for the fluorescence being excited.Light source 1 produces
Echo area laser 12 is reflected towards fluorescent wheel 6 by the echo area 32 of spectrum groupware 3 to excite fluorescence by raw blue laser, while right
Wave band in addition to blue laser is transmitted, and transmission area 31 transmits transmission area laser 11 and the fluorescence that is excited, fluorescence with
Transmission area laser 11 and the photosynthesis for passing through the transmission of spectrum groupware 3 carry out symport all the way, lead to after line focus shaping lens group
It crosses colour filter colour wheel 8 and enters optical wand 9.
Embodiment 4
As shown in figure 8, with embodiment 3 the difference lies in that reflection subassembly 4 is two the first reflecting mirrors to form an angle
41, the second reflecting mirror 42 and two colors are formed to mirror 43.Wherein preferred angle is between the first reflecting mirror 41 and the second reflecting mirror 42
45 degree, two colors require to reflect the light that blue laser transmits other colors to 43 plated film of mirror.The blue laser that light source 1 generates, by being divided
Echo area laser 12 in light source 1 is reflected towards fluorescent wheel 6 to excite fluorescence, the fluorescence of reverse transfer by the echo area 32 of component 3
Two colors are transmitted to after spectrum groupware 3 to mirror 43.Transmission area 31 of the transmission area laser 11 Jing Guo spectrum groupware 3 is irradiated to reflection group
Part 4 reflects to mirror 43 through the first reflecting mirror 41 and the second reflection and two colors respectively, synthesizes and carried out all the way in the same direction with the fluorescence of transmission
It transmits, optical wand 9 is entered by colour filter colour wheel 8 after line focus shaping lens group.
Embodiment 5
The present invention is suitable for two-color laser scheme, and structural schematic diagram is as implemented shown in one, two, three, four, it is only necessary to replace light source
Blue laser is that blue laser and red laser, light source 1 all carry out Time-sharing control in 1.Below by taking embodiment is a kind of as an example,
Light source 1 includes blue laser and red laser, is transmitted after the transmission area 31 of spectrum groupware 3.Echo area laser 12 is indigo plant
Laser focuses on the fluorescent powder coating of fluorescent wheel 6 behind the echo area of spectrum groupware 3 32 by the second light-beam forming unit 5
Area excites fluorescence.Yellow fluorescent powder and green emitting phosphor are coated in the present embodiment on fluorescent wheel 6, for exciting yellow light and green light.
Fluorescent wheel 6 is reflective fluorescent wheel 6, and the fluorescence direction of excitation is contrary with exciting light.Yellow light light efficiency is high, and whole system can be improved
System luminous flux, while extended gamut.Yellow light and green light return to spectrum groupware 3 after the second light-beam forming unit 5 two, because of transmission area
31 and echo area 32 for the wave band outside blue light be all transmission, therefore yellow light and green light transmit after spectrum groupware 3, then pass through
It is reflected after crossing reflection subassembly 4.The fluorescence (yellow light and green light) that the blue laser and red laser and excitation that light source 1 emits generate synthesizes
All the way, optical wand 9 is entered by colour filter colour wheel 8 after line focus shaping lens group.For the speckle for reducing laser, colour filter colour wheel 8 is preferably
It is set as the first diffusion zone, the second diffusion zone, yellow light transmission area 31, green light filtering area.Wherein the first diffusion zone, second
Diffusion zone carries out speckle elimination to blue laser and red laser respectively, and yellow light transmission area 31 directly transmits yellow light, green light filtering
Area is filtered green fluorescence, obtains better color.
Obviously, red laser is feux rouges required for for providing light source 1, therefore red laser is also interchangeable in the present embodiment
For red-light LED.Because the red efficiency that red laser issues is lower, can also coat on fluorescent wheel 6 includes the glimmering of red band
Light powder compensates red laser.
Embodiment 6
The present invention is suitable for three color laser solutions, and as implemented shown in one, spectrum groupware 3 can be used above-mentioned each structural schematic diagram
Various schemes in embodiment, are accordingly adjusted.It is with the difference in embodiment, transmission area laser 11 includes blue laser
Device, green laser and red laser, transmit after the transmission area 31 of spectrum groupware 3.Echo area laser 12 is blue laser,
The fluorescent powder coating area of fluorescent wheel 6, excitation are focused on by the second light-beam forming unit 5 behind the echo area of spectrum groupware 3 32
Fluorescence.Yellow fluorescent powder is only coated on fluorescent wheel 6 in the present embodiment, total system can be improved in the yellow light for exciting light efficiency high
Luminous flux, while extended gamut.Yellow light transmits after returning to spectrum groupware 3 after the second light-beam forming unit 5, using anti-
It is reflected after penetrating component 4.At this point, blue laser, green laser and red laser that light source 1 emits synthesize one with the yellow fluorescence that excitation generates
Road enters optical wand 9 by colour filter colour wheel 8 after line focus shaping lens group.
For the speckle for reducing laser, it is saturating that colour filter colour wheel 8 is preferably arranged to the first diffusion zone, the second diffusion zone, yellow light
Penetrate area 31 and third diffusion zone.Wherein indigo plant is swashed respectively for the first diffusion zone, the second diffusion zone and third diffusion zone
Light, green laser and red laser carry out speckle elimination, and yellow light transmission area 31 directly transmits yellow light.
Green fluorescence powder can also be coated on fluorescent wheel 6 because the efficiency of above-mentioned laser is all lower, in the present embodiment and comprising red
The fluorescent powder of wave band, while the color of needs is obtained by filtration in corresponding adjustment colour filter colour wheel 8, realizes the compensation to feux rouges and green light.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of New Projection Display light-source structure of small size, it is characterised in that: the New Projection Display light source knot of the small size
Structure includes light source (1), fluorescent wheel (6), spectrum groupware (3) and reflection subassembly (4)；The spectrum groupware (3) is relative to the light
Source (1) is obliquely installed；The light source (1) emits laser to the spectrum groupware (3)；The spectrum groupware (3) includes transmission area
(31) and echo area (32)；The laser includes transmission area laser (11) and echo area laser (12), the transmission area laser
(11) transmission area (31) are passed through, the echo area laser (12) reflexes to the fluorescent wheel by the echo area (32)
(6)；Side on the fluorescent wheel (6) close to the spectrum groupware (3) is equipped with fluorescent powder coat；The echo area laser
(12) the fluorescent powder coat is excited, is generated and the reversed fluorescence of the echo area laser (12)；The fluorescence passes through described
Spectrum groupware (3), by the reflection subassembly (4) reflection after with transmission area laser (11) symport.
2. a kind of New Projection Display light-source structure of small size according to claim 1, it is characterised in that: the transmission area
Laser (11) is the blue laser that dominant wavelength is 450~460nm；It is 440~450nm's that the echo area laser (12), which is dominant wavelength,
Blue laser.
3. a kind of New Projection Display light-source structure of small size according to claim 1, it is characterised in that: the echo area
Laser (12) is ultraviolet source.
4. a kind of New Projection Display light-source structure of small size according to claim 1, it is characterised in that: the light splitting group
Part (3) includes spaced coated glass；The coated glass is configured to reflect the echo area laser (12),
The fluorescence is transmitted.
5. a kind of New Projection Display light-source structure of small size according to claim 4, it is characterised in that: the plated film glass
Plated film mode on glass includes that vertical bar equidistantly arranges the equidistant plated film of plated film, horizontal stripe, the equidistant plated film of slanted bar or poroid hollow out.
6. a kind of New Projection Display light-source structure of small size according to claim 1, it is characterised in that: the light splitting group
Part (3) includes spaced prism；Gap between the adjacent prism is transmission area (31)；The prism is echo area
(32)。
7. a kind of New Projection Display light-source structure of small size according to claim 6, it is characterised in that: the prism is
Triangular pyramid type prism；The prism is configured to carry out the echo area laser (12) anti-close to the face of the fluorescent wheel (6)
It penetrates, other light is transmitted, be configured to light source (1) is carried out to transmit simultaneously instead in the face of angle therewith on the prism
Penetrate fluorescence；The prism is configured to transmit light source (1) and fluorescence far from the face of the light source (1).
8. a kind of New Projection Display light-source structure of small size according to claim 1, it is characterised in that: the light splitting group
Part (3) includes the first eyeglass and the second eyeglass for mutually forming angle；Side of first eyeglass towards light source (1) is two colors
To mirror (43), two color is configured to reflect the echo area laser (12) to the plated film of mirror (43) and transmits fluorescence；It is described
Second eyeglass is reflecting mirror, and the reflecting mirror reflects light source (1) and fluorescence.
9. a kind of New Projection Display light-source structure of small size according to claim 1, it is characterised in that: the reflection group
Part (4) is at least one of reflecting mirror, reflecting prism or two colors to mirror (43).
10. the New Projection Display light-source structure of the small size in -9 described in any one according to claim 1, it is characterised in that:
The New Projection Display light-source structure of the small size further includes focusing shaping lens set (7), colour filter colour wheel (8) and optical wand (9)；Institute
State after light source (1) and fluorescence synthesis all the way successively by the focusing shaping lens set (7) and the colour filter colour wheel (8) into
It is emitted after entering the optical wand (9) even light.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811195541.9A CN109375462A (en) | 2018-10-15 | 2018-10-15 | A kind of New Projection Display light-source structure of small size |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811195541.9A CN109375462A (en) | 2018-10-15 | 2018-10-15 | A kind of New Projection Display light-source structure of small size |
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| CN109375462A true CN109375462A (en) | 2019-02-22 |
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| CN201811195541.9A Pending CN109375462A (en) | 2018-10-15 | 2018-10-15 | A kind of New Projection Display light-source structure of small size |
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| CN112015036A (en) * | 2019-05-30 | 2020-12-01 | 台达电子工业股份有限公司 | Light source system |
| CN113009753A (en) * | 2019-12-20 | 2021-06-22 | 青岛海信激光显示股份有限公司 | Laser light source and laser projection equipment |
| CN113311655A (en) * | 2021-06-18 | 2021-08-27 | 青岛海信激光显示股份有限公司 | Projection light source and projection apparatus |
| CN113311654A (en) * | 2021-06-18 | 2021-08-27 | 青岛海信激光显示股份有限公司 | Projection light source and projection apparatus |
| CN113359379A (en) * | 2021-06-18 | 2021-09-07 | 青岛海信激光显示股份有限公司 | Light source assembly and projection equipment |
| CN113900338A (en) * | 2020-06-22 | 2022-01-07 | 青岛海信激光显示股份有限公司 | Light source assembly and projection equipment |
| CN113900333A (en) * | 2020-06-22 | 2022-01-07 | 青岛海信激光显示股份有限公司 | Light source assembly and projection equipment |
| CN113900332A (en) * | 2020-06-22 | 2022-01-07 | 青岛海信激光显示股份有限公司 | Light source assembly and projection equipment |
| CN115280234A (en) * | 2020-03-18 | 2022-11-01 | 夏普Nec显示器解决方案株式会社 | Light source device and projector |
| US11768428B2 (en) | 2020-06-22 | 2023-09-26 | Hisense Laser Display Co., Ltd | Laser source and laser projection apparatus |
| WO2024002283A1 (en) * | 2022-06-29 | 2024-01-04 | 青岛海信激光显示股份有限公司 | Light source device and projection system |
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| CN113311655A (en) * | 2021-06-18 | 2021-08-27 | 青岛海信激光显示股份有限公司 | Projection light source and projection apparatus |
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Application publication date: 20190222 |