CN209294839U - A kind of white light laser light source and laser projection light source - Google Patents
A kind of white light laser light source and laser projection light source Download PDFInfo
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- CN209294839U CN209294839U CN201920128723.8U CN201920128723U CN209294839U CN 209294839 U CN209294839 U CN 209294839U CN 201920128723 U CN201920128723 U CN 201920128723U CN 209294839 U CN209294839 U CN 209294839U
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/68—Details of reflectors forming part of the light source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
- F21V9/45—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity by adjustment of photoluminescent elements
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- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Projection Apparatus (AREA)
- Lasers (AREA)
Abstract
The utility model relates to a kind of white light laser light source in highlight illumination field and laser projection light sources；The white light laser light source includes: laser source, galvanometer and fluorescent wheel, and excitation generates white light on the different location that the laser that laser source issues is emitted to fluorescent wheel after the deflection of galvanometer different angle；The white light laser light source and laser projection light source of the utility model can be emitted white light, provide a kind of white light source of highlight illumination, and the fluorescent wheel of light source internal can obtain preferable heat dissipation effect.
Description
Technical field
The utility model relates to highlight illumination field, in particular to a kind of white light laser light source and laser projection light source.
Background technique
Compared to white light sources such as LED, xenon lamps, laser is high with power as white light source, brightness is high, high-efficient, low energy consumption,
The advantages that service life is long and small in size, is the preferred plan in current highlight illumination field.In the prior art, usually swashed with blue light
Light device is irradiated to excitation on the fluorescent wheel of reddish yellow Two Colour Fluorescence powder and generates white light source.
During realizing the utility model, inventor's discovery is above, and at least there are the following problems in the related technology: blue light
For laser illumination when on fluorescent wheel, the conversion process of wavelength can generate amount of heat, due to the absorption of fluorescent powder on fluorescent wheel
Limited efficacy can generate a large amount of waste heat after blue light is incident, and temperature is excessively high when converging is easy to burn fluorescent wheel, while heat
The substrate being also easily damaged on fluorescent wheel is measured, fluorescent powder is made to fall off or burn out, entire light supply apparatus is as overheat leads to it
The damage of his optical element.
Utility model content
In view of the above drawbacks of the prior art, the purpose of the utility model is to provide one kind can export waste heat, reduce it is glimmering
The white light laser light source and laser projection light source of halo loss.
The purpose of this utility model is achieved by the following technical solution:
In order to solve the above technical problems, in a first aspect, provide a kind of white light laser light source in the utility model embodiment,
It include: laser source, galvanometer and fluorescent wheel；
The optical axis of the laser source and the fluorescent wheel is mutually perpendicular to and all passes through the optical centre of the galvanometer, described to swash
It excites and generates on the different location that the light that light source issues is emitted to the fluorescent wheel after the deflection of the galvanometer different angle
White light.
Optionally, the fluorescent wheel includes fluorescent powder lamella and substrate, and the fluorescent powder lamella is coated on the substrate,
Excitation generates white light in the laser irradiation of the vibration mirror reflected to the fluorescent powder lamella.
Optionally, the fluorescent powder lamella is the fluorescent powder of default yellow, red proportion.
Optionally, the laser source is blue-light source.
Optionally, further includes: the first lens, first lens are arranged on the optical axis of the fluorescent wheel, from described glimmering
The white light of halo outgoing is emitted through first lens.
Optionally, first lens are collimation lens, are emitted light level outgoing for making.
Optionally, first lens are convergent lens, for making emergent light assemble outgoing.
Optionally, further includes: the second lens, second lens are arranged on the optical axis of first lens, and are arranged
Before the focus on first lens outgoing light direction, light level outgoing is emitted for making.
In order to solve the above technical problems, second aspect, a kind of laser projection light source is provided in the utility model embodiment,
It include: colour wheel, and, at least one white light laser light source as described in above-mentioned first aspect, the colour wheel is arranged described white
On the outgoing light direction of ray laser light source, the white light of the white light laser light source outgoing is emitted monochromatic light after the colour wheel.
Optionally, the colour wheel is arranged on the outgoing light direction of first lens or the second lens axis, the color
There are many color lumps of different colours for wheel setting.
Compared with prior art, the utility model has the beneficial effects that being in contrast to the prior art, the utility model
A kind of white light laser light source and laser projection light source are provided in embodiment；The white light laser light source passes through galvanometer different angle
Deflection after play on fluorescent wheel excitation and generate white light, the heat of incoming position is cooled down by continuous change of incoming position,
To avoid overheating the damage to light supply apparatus.
Detailed description of the invention
It is illustrated in one or more embodiments by the picture in corresponding attached drawing, these are exemplary
Illustrate not constitute the restriction to embodiment, the element/module and step in attached drawing with same reference numbers label are expressed as
Similar element/module and step, unless there are special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the structure and light path schematic diagram of a kind of white light laser light source provided in the utility model embodiment one；
Fig. 2 is the structure and light path schematic diagram of a kind of white light laser light source provided in the utility model embodiment two；
Fig. 3 is the structure and light path schematic diagram of a kind of laser projection light source provided in the utility model embodiment three；
Fig. 4 is the structure and light path schematic diagram of a kind of laser projection light source provided in the utility model embodiment four；
Fig. 5 is the structural schematic diagram of three kinds of colour wheels provided by the embodiment of the utility model.
Specific embodiment
The utility model is described in detail combined with specific embodiments below.Following embodiment will be helpful to this field
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, various modifications and improvements can be made.
These are all within the protection scope of the present invention.
For the ease of connection structure restriction, the utility model is to limit with reference to the position for carrying out component with the direction that light transmits
It is fixed, for example, fluorescent wheel is in " preceding " side of galvanometer, it is " side " direction around this direction, laser source is in " side " of galvanometer.
The embodiment of the present application describes the white light laser light source and laser projection light source in a kind of highlight illumination field, described white
Ray laser light source includes: laser source, galvanometer and fluorescent wheel, can be emitted white light, and fluorescence by the white light laser light source
Wheel can effectively be radiated.
Specifically, with reference to the accompanying drawing, the embodiment of the present application is further elaborated.
Embodiment one
Referring to Figure 1, Fig. 1 is the structure and optical path of a kind of white light laser light source provided in the utility model embodiment one
Schematic diagram provides a kind of white light laser light source in the embodiments of the present invention, comprising: laser source 10, galvanometer 20 and fluorescence
The optical axis of wheel 34, the laser source 10 and the fluorescent wheel 34 is mutually perpendicular to and all passes through the optical centre of the galvanometer 20, institute
The light for stating the sending of laser source 10 is emitted to the different location of the fluorescent wheel 34 after the deflection of 20 different angle of galvanometer
Upper excitation generates white light.The white light laser light source further include: the first lens 50.
Above-mentioned laser source 10 is blue-light source, and wavelength is between 400nm-480nm, light source of the blue-light source compared to other colors
Wavelength is shorter, and energy is higher, can excite the white light for generating more high brightness.
Above-mentioned galvanometer 20 be one can multi-angle turn to and with higher sensitivity vibration eyeglass or vibrate lens set, when work, can
It is connected to control chip or control circuit or machine control unit turns to it and controls, the galvanometer 20 has reflectivity high
The characteristics of.
In practical applications, it can control the light that galvanometer 20 reflects at the uniform velocity to move on fluorescent wheel 34 with the track set
It is dynamic, for example, the laser reflected can be on fluorescent wheel 34 when controlling the different angles that galvanometer 20 rotates within a certain period of time
It is moved clockwise or counterclockwise with the at the uniform velocity track such as Archimedes spiral.Specifically, angle and speed that the galvanometer 20 rotates
Beat the track on fluorescent wheel 34 depending on laser, the maximum angle that the galvanometer 20 can rotate depend on galvanometer 20 with it is glimmering
The distance between halo 34.For it is above-mentioned can be according to application scenarios, other optical elements to the practical control mode of galvanometer 20
Situation, the specific structure demand of white light laser light source are configured, and do not need the restriction for sticking to the utility model embodiment.
Above-mentioned fluorescent wheel 34 includes fluorescent powder lamella 30 and substrate 40, and the fluorescent powder lamella 30 is coated in the substrate 40
On, excitation generates white light in the laser irradiation to the fluorescent powder lamella 30 that the galvanometer 20 reflects.The fluorescent powder lamella 30
For the fluorescent powder of default yellow, red proportion, wherein increase the ratio of rouge and powder in fluorescent powder, the colour developing that can effectively promote white light refers to
Number, but rouge and powder ratio excessively will lead to white light color distortion, and therefore, the proportion of specific bloom and rouge and powder needs root in fluorescent powder
It is configured according to actual conditions.
The blue light that the laser source 10 issues is reflected on fluorescent wheel by the galvanometer 20, excites the fluorescent powder lamella
Rouge and powder and bloom in 30 generate feux rouges and yellow light, and feux rouges, yellow light and blue light finally synthesize white light outgoing.Due to blue light energy compared with
Height, blue-light source beat the fluorescent powder lamella 30 in fluorescent wheel 34 as laser source 10, can generate a large amount of heat in wavelength-conversion process
Amount, very high energy can be generated for a long time in the same point of fluorescent wheel 34 by, which beating, burns out the substrate 40 of fluorescent wheel 34 and is fluorescent wheel
Fluorescent powder lamella 30 on 34 falls off, and influences the service life of fluorescent wheel 34, therefore, the change blue light of galvanometer 20 is added and beats in phosphor sheet
Position on layer 30 can allow the heat of incoming position constantly cooling.
Above-mentioned first lens 50 are arranged on the optical axis of the fluorescent wheel 34, and the white light being emitted from the fluorescent wheel 34 is through institute
State the outgoing of the first lens 50.First lens 50 are collimation lens, are emitted light level outgoing for making.In practical applications,
20 quick rotation of galvanometer, therefore the light by the outgoing of the first lens 50 can regard a uniform hot spot as substantially.Institute
Stating the first lens 50 is convex lens.
The utility model embodiment provides a kind of white light laser light source, in the white light laser light source, by constantly changing
Become the angle of reflection of galvanometer, to change laser light incident to the position of fluorescent powder lamella, can be realized substrate it is abundant radiate and
Fluorescent powder lamella makes full use of, and slows down the aging speed of fluorescent wheel, improves the service life of white light laser light source.
Embodiment two
Fig. 2 is referred to, Fig. 2 is the structure and optical path of a kind of white light laser light source provided in the utility model embodiment two
Schematic diagram provides a kind of white light laser light source in the embodiments of the present invention, comprising: laser source 10, galvanometer 20 and fluorescence
The optical axis of wheel 34, the laser source 10 and the fluorescent wheel 34 is mutually perpendicular to and all passes through the optical centre of the galvanometer 20, institute
The light for stating the sending of laser source 10 is emitted to the different location of the fluorescent wheel 34 after the deflection of 20 different angle of galvanometer
Upper excitation generates white light.The white light laser light source further include: the first lens 50 and the second lens 60.
Above-mentioned laser source 10 is blue-light source, and wavelength is between 400nm-480nm, light source of the blue-light source compared to other colors
Wavelength is shorter, and energy is higher, can excite the white light for generating more high brightness.
Above-mentioned galvanometer 20 be one can multi-angle turn to and with higher sensitivity vibration eyeglass or vibrate lens set, when work, can
It is connected to control chip or control circuit or machine control unit turns to it and controls, the galvanometer 20 has reflectivity high
The characteristics of.
In practical applications, it can control the light that galvanometer 20 reflects at the uniform velocity to move on fluorescent wheel 34 with the track set
It is dynamic, for example, the laser reflected can be on fluorescent wheel 34 when controlling the different angles that galvanometer 20 rotates within a certain period of time
It is moved clockwise or counterclockwise with the at the uniform velocity track such as Archimedes spiral.Specifically, angle and speed that the galvanometer 20 rotates
The track on fluorescent wheel 34 is beaten depending on laser, the maximum angle rotated needed for the galvanometer 20 depends on galvanometer 20 and fluorescence
The distance between wheel 34.For it is above-mentioned can be according to the feelings of application scenarios, other optical elements to the practical control mode of galvanometer 20
Condition, the specific structure demand of white light laser light source are configured, and do not need the restriction for sticking to the utility model embodiment.
Above-mentioned fluorescent wheel 34 includes fluorescent powder lamella 30 and substrate 40, and the fluorescent powder lamella 30 is coated in the substrate 40
On, excitation generates white light in the laser irradiation to the fluorescent powder lamella 30 that the galvanometer 20 reflects.The fluorescent powder lamella 30
For the fluorescent powder of default yellow, red proportion, wherein increase the ratio of rouge and powder in fluorescent powder, the colour developing that can effectively promote white light refers to
Number, but rouge and powder ratio excessively will lead to white light color distortion, and therefore, the proportion of specific bloom and rouge and powder needs root in fluorescent powder
It is configured according to actual conditions.
The blue light that the laser source 10 issues is reflected on fluorescent wheel by the galvanometer 20, excites the fluorescent powder lamella
Rouge and powder and bloom in 30 generate feux rouges and yellow light, and feux rouges, yellow light and blue light finally synthesize white light outgoing.Due to blue light energy compared with
Height, blue-light source beat the fluorescent powder lamella 30 in fluorescent wheel 34 as laser source 10, can generate a large amount of heat in wavelength-conversion process
Amount, very high energy can be generated for a long time in the same point of fluorescent wheel 34 by, which beating, burns out the substrate 40 of fluorescent wheel 34 and is fluorescent wheel
Fluorescent powder lamella 30 on 34 falls off, and influences the service life of fluorescent wheel 34, therefore, the change blue light of galvanometer 20 is added and beats in phosphor sheet
Position on layer 30 can allow the heat of incoming position constantly cooling.
Above-mentioned first lens 50 are arranged on the optical axis of the fluorescent wheel 34, and the white light being emitted from the fluorescent wheel 34 is through institute
State the outgoing of the first lens 50.First lens 50 are convergent lens, for making emergent light assemble outgoing.First lens 50
For convex lens.
Above-mentioned second lens 60 are arranged on the optical axis of first lens 50, and are arranged and are emitted in first lens 50
Before focus on light direction, light level outgoing is emitted for making.Second lens, which are arranged, converges to paraxial one in emergent light
At set a distance, make emergent light horizontal exit at this time.In practical applications, 20 quick rotation of galvanometer, therefore pass through the first lens
The light of 50 outgoing can regard a uniform hot spot as substantially.Second lens 60 are convex lens.
The utility model embodiment provides a kind of white light laser light source, in the white light laser light source, by constantly changing
Become the angle of reflection of galvanometer, to change laser light incident to the position of fluorescent powder lamella, can be realized substrate it is abundant radiate and
Fluorescent powder lamella makes full use of, and slows down the aging speed of fluorescent wheel, improves the service life of white light laser light source.In addition, phase
Than that paraxial can be emitted in the emergent light of embodiment one, white light laser light source provided by the embodiment of the utility model, emergent light spot
Smaller, energy is more concentrated, and brightness is higher.
Embodiment three
Fig. 3 and Fig. 5 are referred to, Fig. 3 is a kind of structure of the laser projection light source provided in the utility model embodiment three
And light path schematic diagram, a kind of laser projection light source is provided in the embodiments of the present invention, comprising: colour wheel 70, and, at least
The emergent light of the white light laser light source is arranged in one white light laser light source as described in above-described embodiment one, the colour wheel 70
On direction, the white light of the white light laser light source outgoing is emitted monochromatic light after the colour wheel 70.
It should be noted that the white light laser light source provided by white light laser light source in this present embodiment with embodiment one
Conceived based on identical utility model, therefore, and will not be described here in detail.
Above-mentioned colour wheel 70 is arranged on the outgoing light direction of 50 optical axis of the first lens, and there are many settings of colour wheel 70
The color lump of different colours.Fig. 5 is referred to, Fig. 5 is the structural schematic diagram of three kinds of colour wheels provided by the embodiment of the utility model, at this
In utility model embodiment, the colour wheel 70 is colour wheel a, and color lump is provided on colour wheel a, and the color lump is to be arranged in colour wheel a
The ring belt at edge, color lump, i.e. ring belt are equally divided into four pieces in total, are respectively set there are four types of different colors.
In an embodiment of the present invention, galvanometer 20 is always by the reflection of generation incident light to the annulus with the edge colour wheel a
It is emitted monochromatic light in parallel fluorescent wheel 34, then by the ring belt at the edge colour wheel a, since the variation of 20 angle of reflection of galvanometer causes
Emergent light rotation, therefore emergent light can be emitted to the different color blocks on colour wheel a automatically, be emitted monochromatic light to timesharing.In others
In some embodiments, the color lump quantity and color lump size being arranged on the colour wheel a, the size of the ring belt at the edge the colour wheel a,
The color etc. being arranged on the colour wheel a, can be configured according to actual needs, not need to stick to the utility model embodiment
It limits.In addition, being provided with other than the part of color lump in addition to ring belt on color lump a, light leakage can be prevented with blacking.
In addition, the colour wheel 70 is also possible to colour wheel b or colour wheel c shown in Fig. 5 in other some embodiments
Pattern, wherein average around from colour wheel center on colour wheel b by colour wheel b points is four pieces of color lumps, colour wheel c color similar to colour wheel a
Block is again provided with ring belt, and the ring belt of colour wheel c is not disposed on the edge of colour wheel c, but is arranged in the center of circle and edge
Between part, be respectively set that there are four types of different colors on four color lumps of the colour wheel b and colour wheel c.It is similar to the colour wheel a
, the color lump quantity and color lump size being arranged on the colour wheel b and colour wheel c, the size of the ring belt at the edge colour wheel c, the color
The color etc. being arranged on wheel b and colour wheel c, can be configured according to actual needs, not need to stick to the utility model embodiment
Restriction be provided with other than the part of color lump in addition to ring belt on colour wheel c, light leakage can be prevented with blacking.
In addition, not needing the pattern for sticking to three kinds of colour wheels in Fig. 5, the color lump in other some embodiments yet
Size, range, shape, quantity on colour wheel 70 can be configured according to the actual situation, not need to stick to originally practical new
The setting of type embodiment.For example, being also provided with two ring belts on the colour wheel 70, emergent light can be by one of them
Ring belt is emitted monochromatic light, can also be intersected by two ring belt emergent lights, galvanometer 20 and reflect light on two ring belts of band,
Since 20 velocity of rotation of galvanometer is fast, the monochromatic light of two kinds of colors can be emitted simultaneously from two ring belts.
In practical applications, at least one above-mentioned white light laser light source, Mei Yibai are used in the laser projection light source
Ray laser light source is equipped with an identical or different colour wheel 70, and the final laser projection light source is enabled to be projected out colour
Image.Specifically, the setting of white laser light source and colour wheel 70 can be according to practical application scene in the laser projection light source
It is configured, does not need the restriction for adhering rigidly to the embodiment of the present application.
The utility model embodiment provides a kind of laser projection light source, in the laser projection light source, by constantly changing
Become the angle of reflection of galvanometer, to change laser light incident to the position of fluorescent powder lamella and colour wheel, can be realized the abundant of substrate and dissipate
It is hot and fluorescent powder lamella to make full use of, slow down the aging speed of fluorescent wheel, improves the service life of laser projection light source.
Example IV
Referring to Fig. 3 and Fig. 5, Fig. 4 be a kind of laser projection light source provided in the utility model embodiment four structure and
Light path schematic diagram provides a kind of laser projection light source in the embodiments of the present invention, comprising: colour wheel 70, and, at least one
The emergent light side of the white light laser light source is arranged in a white light laser light source as described in above-described embodiment one, the colour wheel 70
Upwards, the white light of the white light laser light source outgoing is emitted monochromatic light after the colour wheel 70.
It should be noted that the white light laser light source provided by white light laser light source in this present embodiment with embodiment two
Conceived based on identical utility model, therefore, and will not be described here in detail.
Above-mentioned colour wheel 70 is arranged on the outgoing light direction of 60 optical axis of the second lens, and there are many settings of colour wheel 70
The color lump of different colours.Fig. 5 is referred to, Fig. 5 is the structural schematic diagram of three kinds of colour wheels provided by the embodiment of the utility model, at this
In utility model embodiment, the colour wheel 70 is colour wheel b, and around averagely dividing colour wheel b from colour wheel center on colour wheel b is four
Block color lump, is respectively set that there are four types of different colors on color lump.
In an embodiment of the present invention, galvanometer 20 is always by the reflection of generation incident light into fluorescent wheel 34, then passes through
It is emitted monochromatic light after the color lump of colour wheel b, since the variation of 20 angle of reflection of galvanometer causes emergent light to rotate, emergent light can go out automatically
The different color blocks being mapped on colour wheel b are emitted monochromatic light to timesharing.In other some embodiments, it is arranged on the colour wheel b
Color lump quantity and color lump size, the color etc. being arranged on the colour wheel b, can be configured according to actual needs, not need to adhere rigidly to
In the restriction of the utility model embodiment.
In addition, the colour wheel 70 is also possible to colour wheel a or colour wheel c shown in Fig. 5 in other some embodiments
Pattern, wherein the color lump on colour wheel a and colour wheel c is all arranged on ring belt, and the side of colour wheel a is arranged in the ring belt of colour wheel a
Edge, the ring belt of colour wheel c are not disposed on the edge of colour wheel c, but the middle section at the center of circle and edge is arranged in, the colour wheel b
Be respectively set on four color lumps of colour wheel c there are four types of different colors.It is similar with the colour wheel b, the colour wheel a and colour wheel
The color etc. being arranged on the color lump quantity and color lump size being arranged on c, the colour wheel a and colour wheel c, the colour wheel a and colour wheel c's
The size of ring belt can be configured according to actual needs, not need the restriction for sticking to the utility model embodiment.In addition,
It in addition to ring belt on the colour wheel a and colour wheel c, that is, is provided with other than the part of color lump, light leakage can be prevented with blacking.
In addition, not needing the pattern for sticking to three kinds of colour wheels in Fig. 5, the color lump in other some embodiments yet
Size, range, shape, quantity on colour wheel 70 can be configured according to the actual situation, not need to stick to originally practical new
The setting of type embodiment.For example, being also provided with two ring belts on the colour wheel 70, emergent light can be by one of them
Ring belt is emitted monochromatic light, can also be intersected by two ring belt emergent lights, galvanometer 20 and reflect light on two ring belts of band,
Since 20 velocity of rotation of galvanometer is fast, the monochromatic light of two kinds of colors can be emitted simultaneously from two ring belts.
In practical applications, at least one above-mentioned white light laser light source, Mei Yibai are used in the laser projection light source
Ray laser light source is equipped with an identical or different colour wheel 70, and the final laser projection light source is enabled to be projected out colour
Image.Specifically, the setting of white laser light source and colour wheel 70 can be according to practical application scene in the laser projection light source
It is configured, does not need the restriction for adhering rigidly to the embodiment of the present application.
The utility model embodiment provides a kind of laser projection light source, in the laser projection light source, by constantly changing
Become the angle of reflection of galvanometer, to change laser light incident to the position of fluorescent powder lamella and colour wheel, can be realized the abundant of substrate and dissipate
It is hot and fluorescent powder lamella to make full use of, slow down the aging speed of fluorescent wheel, improves the service life of laser projection light source.This
Outside, compared to embodiment three, the emergent light of white light laser light source provided by the embodiment of the utility model paraxial can be emitted, outgoing
Hot spot is smaller, and energy is more concentrated, and brightness is higher.
A kind of white light laser light source and laser projection light source are provided in the utility model embodiment；The white light laser light
The excitation on fluorescent wheel is played after the deflection that source passes through galvanometer different angle and generates white light, by the continuous change of incoming position come cold
But the heat of incoming position, to avoid overheating the damage to light supply apparatus.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Under the thinking of the utility model, it can also be combined between the technical characteristic in above embodiments or different embodiments, and
There are many other variations of the different aspect of the utility model as described above, for simplicity, they are not mentioned in details
For；Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should be managed
Solution: it can still modify to technical solution documented in foregoing embodiments, or to wherein regional development and technology feature
It is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and the utility model is respectively implemented
The range of technical solution in example.
Claims (10)
1. a kind of white light laser light source characterized by comprising laser source, galvanometer and fluorescent wheel；
The optical axis of the laser source and the fluorescent wheel is mutually perpendicular to and all passes through the optical centre of the galvanometer, the laser source
Excitation generates white light on the different location that the light of sending is emitted to the fluorescent wheel after the deflection of the galvanometer different angle.
2. white light laser light source according to claim 1, which is characterized in that
The fluorescent wheel includes fluorescent powder lamella and substrate, and the fluorescent powder lamella is coated on the substrate, and the galvanometer is anti-
Excitation generates white light in the laser irradiation penetrated to the fluorescent powder lamella.
3. white light laser light source according to claim 2, which is characterized in that
The fluorescent powder lamella is the fluorescent powder of default yellow, red proportion.
4. white light laser light source according to claim 3, which is characterized in that
The laser source is blue-light source.
5. white light laser light source according to claim 1-4, which is characterized in that further include: the first lens, it is described
First lens are arranged on the optical axis of the fluorescent wheel, and the white light being emitted from the fluorescent wheel is emitted through first lens.
6. white light laser light source according to claim 5, which is characterized in that
First lens are collimation lens, are emitted light level outgoing for making.
7. white light laser light source according to claim 5, which is characterized in that
First lens are convergent lens, for making emergent light assemble outgoing.
8. white light laser light source according to claim 7, which is characterized in that further include: the second lens, second lens
Before the focus for being arranged on the optical axis of first lens, and being arranged on the first lens outgoing light direction, for making
Emergent light horizontal exit.
9. a kind of laser projection light source characterized by comprising colour wheel, and, at least one is wanted such as claim 6 or right
White light laser light source described in asking 8, the colour wheel are arranged on the outgoing light direction of the white light laser light source, and the white light swashs
The white light of radiant outgoing is emitted monochromatic light after the colour wheel.
10. laser projection light source according to claim 9, which is characterized in that
The colour wheel is arranged on the outgoing light direction of first lens or the second lens axis, and there are many colour wheel settings
The color lump of different colours.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920128723.8U CN209294839U (en) | 2019-01-24 | 2019-01-24 | A kind of white light laser light source and laser projection light source |
| PCT/CN2019/112273 WO2020151269A1 (en) | 2019-01-24 | 2019-10-21 | White-light laser light source and laser projection light source |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920128723.8U CN209294839U (en) | 2019-01-24 | 2019-01-24 | A kind of white light laser light source and laser projection light source |
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| CN209294839U true CN209294839U (en) | 2019-08-23 |
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| CN201920128723.8U Active CN209294839U (en) | 2019-01-24 | 2019-01-24 | A kind of white light laser light source and laser projection light source |
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| WO (1) | WO2020151269A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020151269A1 (en) * | 2019-01-24 | 2020-07-30 | 深圳市星汉激光科技有限公司 | White-light laser light source and laser projection light source |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000347287A (en) * | 1999-06-04 | 2000-12-15 | Sanyo Electric Co Ltd | Projection type video display device |
| CN101308257B (en) * | 2008-06-07 | 2013-06-26 | 王勇竞 | System for producing synthesized image |
| JP5842162B2 (en) * | 2011-03-23 | 2016-01-13 | パナソニックＩｐマネジメント株式会社 | Light source device and image display device using the same |
| CN106195929A (en) * | 2016-09-03 | 2016-12-07 | 超视界激光科技（苏州）有限公司 | Laser light source module |
| CN209294839U (en) * | 2019-01-24 | 2019-08-23 | 深圳市星汉激光科技有限公司 | A kind of white light laser light source and laser projection light source |
-
2019
- 2019-01-24 CN CN201920128723.8U patent/CN209294839U/en active Active
- 2019-10-21 WO PCT/CN2019/112273 patent/WO2020151269A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020151269A1 (en) * | 2019-01-24 | 2020-07-30 | 深圳市星汉激光科技有限公司 | White-light laser light source and laser projection light source |
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| WO2020151269A1 (en) | 2020-07-30 |
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Address after: 518000 5th floor, building B4, xujingchang Industrial Park, No. 39, Haoye Road, Xinhe community, Fuhai street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Xinghan Laser Technology Co.,Ltd. Address before: 518000 5th floor, building B4, xujingchang Industrial Park, No. 39, Haoye Road, Xinhe community, Fuhai street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN XINGHAN LASER TECHNOLOGY Co.,Ltd. |