CN112799226A - White light laser light source - Google Patents
White light laser light source Download PDFInfo
- Publication number
- CN112799226A CN112799226A CN202011137072.2A CN202011137072A CN112799226A CN 112799226 A CN112799226 A CN 112799226A CN 202011137072 A CN202011137072 A CN 202011137072A CN 112799226 A CN112799226 A CN 112799226A
- Authority
- CN
- China
- Prior art keywords
- light
- lens
- laser
- blue
- white light
- Prior art date
- 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
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/007—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light
- G02B26/008—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light in the form of devices for effecting sequential colour changes, e.g. colour wheels
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a white light laser light source which comprises a laser emitting unit, a laser scattering unit, a white light combining unit and a white light emitting unit, wherein the white light combining unit comprises a dichroic mirror, a blue light excitation module and a yellow light excitation module; the blue light excitation module comprises a blue light lens and a blue light ceramic chip which are sequentially arranged along the propagation direction of the laser beam, and the yellow light excitation module comprises a yellow light lens and a fluorescent wheel which are sequentially arranged along the propagation direction of the laser beam. According to the invention, the yellow lens and the fluorescent wheel are arranged in the yellow light excitation module, namely, the fluorescent wheel is used as a yellow light excitation component, so that the saturation phenomenon of a fluorescent sheet is solved, the technical purpose of a high-power light source is realized, and meanwhile, the focusing effect of the yellow lens is combined with the fluorescent wheel, so that the light density is improved.
Description
Technical Field
The invention relates to the technical field of fluorescent laser, in particular to a white light laser light source.
Background
The existing visible light laser lighting source can be divided into blue light excited fluorescent powder according to different principles to realize white light lighting and red, green and blue laser synthesized white laser or true color lighting. The laser illumination can greatly increase the projection distance, and meanwhile, the volume is smaller and the structure is more compact. However, although the conventional laser lighting source has more excellent performance than the LED, the conventional fluorescent sheet used therein has saturation phenomenon, the irradiation power has an upper limit value, and only the design of the light source with low power can be realized.
Disclosure of Invention
The invention aims to provide a white light laser light source which has high optical density and can realize ultra-long distance irradiation aiming at the defects and the defects of the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a white light laser light source which comprises a laser emitting unit, a laser scattering unit, a white light combining unit and a white light emitting unit, wherein the laser scattering unit, the white light combining unit and the white light emitting unit are sequentially arranged along a laser beam propagation path; the blue light arouses the module including blue light lens and the blue light potsherd that arranges in proper order along laser beam direction of propagation, the yellow light arouses the module including yellow light lens and the fluorescence wheel that arranges in proper order along laser beam direction of propagation.
Preferably, the blue light lens comprises a second large lens and a second small lens, the blue light excitation module further comprises a blue light lens barrel, and the second large lens and the second small lens are sequentially arranged on the blue light lens barrel along a laser beam propagation path, and the blue light ceramic plate is arranged behind the second small lens; the yellow light exciting module comprises a yellow light lens barrel, a third large lens and a third small lens which are sequentially arranged on the yellow light lens barrel along a laser beam propagation path, and the fluorescent wheel is arranged behind the third small lens.
Preferably, the white light combining unit further includes a second bracket for mounting the dichroic mirror, the blue light barrel and the yellow light barrel are both fixedly connected to the second bracket, and both the blue light barrel and the yellow light barrel can generate axial displacement relative to the second bracket; the blue-light ceramic chip is arranged in a blue-light ceramic cover, the blue-light ceramic cover is in threaded connection with the blue-light lens barrel, and the blue-light ceramic cover can drive the blue-light ceramic chip to generate axial displacement relative to the second small lens; an avoiding space is formed in the second support and located below the third small lens, and the avoiding space is used for accommodating the fluorescent wheel generating yellow light.
Preferably, the yellow light excitation module further comprises a fluorescent wheel mounting assembly, the fluorescent wheel mounting assembly comprises a third bracket and a fluorescent wheel mounting plate arranged on the third bracket, and the fluorescent wheel can rotate relative to the fluorescent wheel mounting plate.
Preferably, a heating device and a temperature control part for controlling the heating device to start and stop providing temperature parameters are arranged on the fluorescent wheel mounting plate.
Preferably, the laser emitting unit includes a laser module and a first lens assembly for focusing the laser beam, the first lens assembly includes a first bracket and a first lens barrel disposed on the first bracket, and the first lens barrel includes a first large lens and a first small lens sequentially disposed along a propagation path of the laser beam.
Preferably, a first small lens barrel which is used for fixing the first small lens and can be axially moved and locked is arranged on the first lens barrel; preferably, the first small barrel is in threaded connection with the first barrel.
Preferably, a reflecting assembly is arranged on the first support, and the reflecting assembly comprises a reflecting support and a reflecting mirror arranged on an inclined surface of the reflecting support; preferably, the laser light scattering unit includes a scattering sheet disposed on a vertical surface of the mirror support.
Preferably, the white light laser light source further includes a light source housing, the laser emission unit, the laser scattering unit, and the white light combining unit are all disposed inside the light source housing, the white light emitting unit includes a light outlet opened on the light source housing and a light outlet lens disposed at the light outlet, the laser emission unit and the white light combining unit are disposed side by side on a bottom plate of the light source housing, and the laser scattering unit is disposed on an upper portion of the laser emission unit and located between the laser emission unit and the white light combining unit.
Preferably, the bottom plate is made of a metal material with good heat dissipation.
Compared with the prior art, the invention has the following beneficial effects:
1. in the white light laser light source provided by the invention, the yellow light lens and the fluorescent wheel are arranged in the yellow light excitation module, namely, the fluorescent wheel is used as a yellow light excitation component, so that the saturation phenomenon of a fluorescent sheet is solved, the technical purpose of a high-power light source is realized, and meanwhile, the focusing function of the yellow light lens is combined with the fluorescent wheel, so that the light density is improved.
2. In the white light laser light source provided by the invention, the mode that the large lens and the small lens are respectively arranged in the blue light excitation module and the yellow light excitation module is adopted, so that light spots formed after light beams are gathered are more uniform, and the quality of the light spots is improved.
3. In the white light laser light source provided by the invention, the position of the small blue light lens barrel relative to the side surface of the dichroic mirror mounting seat is adjusted in a mode that the blue light lens barrel can generate axial displacement relative to the second support, so that the adjustment of the coincidence degree of the blue light spot and the yellow light spot is realized; the distance between the third small lens and the fluorescent surface of the fluorescent wheel can be adjusted by adopting the mode that the yellow light lens barrel can generate axial displacement relative to the second bracket.
4. In the white light laser light source provided by the invention, the heating device and the temperature control part for controlling the on-off of the heating device are arranged on the fluorescent wheel mounting plate, the heating device is started in advance to heat the fluorescent wheel mounting plate, the heat is conducted to the fluorescent wheel, the heating of the fluorescent wheel is realized, and the problem that the fluorescent wheel cannot be started at low temperature can be solved.
5. In the white light laser light source provided by the invention, the laser emission unit and the white light combining unit are arranged on the bottom plate of the light source shell side by side, so that the structure volume is reduced, and the problems of inconvenient installation and use and the like caused by overlarge structure volume are avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is an overall sectional view of a white laser light source.
Fig. 2 is a sectional view of the laser emitting unit of fig. 1.
Fig. 3 is a partial view of the laser emitting unit and the laser scattering unit of fig. 1.
Fig. 4 is a side view of the white light combining unit in fig. 1.
FIG. 5 is a rear view of the white light combining unit of FIG. 1;
the device comprises a bottom plate 1, a laser module 2, a first support 3, a first large lens 4, a lens pressing ring 5, a first lens barrel 6, a first small lens barrel 7, a first small lens 8, a reflecting frame 9, a reflecting mirror 10, a scattering sheet 11, a yellow light lens barrel 12, a third small lens 13, a third large lens 14, a dichroic mirror 15, a mounting seat 16, a third support 17, a fluorescent wheel 18, a fluorescent wheel mounting plate 19, a heating device 20, a blue light ceramic cover 21, a second small lens 22, a second large lens 23, a blue light lens barrel 24, a light source shell 25, a light outlet lens 26, a reinforcing rib 27 and a temperature probe 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a white light laser light source which has high optical density and can realize ultra-long distance irradiation aiming at the defects and the defects of the prior art.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1-5, the present invention provides a white light laser light source, which includes a laser emission unit, and a laser scattering unit, a white light combining unit and a white light emitting unit sequentially arranged along a laser beam propagation path, where the white light combining unit includes a dichroic mirror 15, a blue light excitation module and a yellow light excitation module, the laser scattering unit and the yellow light excitation module are located on the same side of the dichroic mirror 15, and the white light emitting unit and the blue light excitation module are located on the same side of the dichroic mirror 15; the blue light excitation module comprises a blue light lens and a blue light ceramic chip which are sequentially arranged along the propagation direction of the laser beam, and the yellow light excitation module comprises a yellow light lens and a fluorescent wheel 18 which are sequentially arranged along the propagation direction of the laser beam. The working process is as follows: starting a laser emission unit, enabling the emitted laser beams to enter a laser scattering unit, focusing one part of the scattered laser rays on a blue ceramic chip through a blue light lens under the action of a dichroic mirror 15, reflecting blue light at the same time, focusing the other part of the scattered laser rays on a fluorescence wheel 18 through a yellow light lens, generating yellow light at the same time, and emitting white light in a white light emitting unit after the blue light and the yellow light are superposed; the mode that the yellow lens and the fluorescent wheel 18 are arranged in the yellow light excitation module is adopted, namely the fluorescent wheel 18 is adopted as a yellow light excitation component, the saturation phenomenon of a fluorescent sheet is solved, the technical purpose of a high-power light source is realized, and meanwhile, the focusing effect of the yellow lens is combined with the fluorescent wheel 18, so that the light density is improved.
In order to enhance the focusing effect of blue light and yellow light and facilitate installation and fixation, the blue light lens comprises a second large lens 23 and a second small lens 22, the blue light excitation module further comprises a blue light lens barrel 24, and the second large lens 23 and the second small lens 22 which are sequentially arranged on the blue light lens barrel 24 along the propagation path of the laser beam, and the blue light ceramic sheet is arranged behind the second small lens 22; the yellow light lens comprises a third large lens 14 and a third small lens 13, the yellow light excitation module comprises a yellow light lens barrel 12, the third large lens 14 and the third small lens 13 which are sequentially arranged on the yellow light lens barrel 12 along the propagation path of the laser beam, and the fluorescent wheel 18 is arranged behind the third small lens 13; adopt the mode that all sets up two big one little lenses in blue light arouses module and yellow light arouse the module promptly for the facula that forms after the gathering of light beam is more even, has improved facula quality.
In order to facilitate installation, fixation and adjustment, the white light combining unit further comprises a second bracket for installing the dichroic mirror 15, the blue light lens barrel 24 and the yellow light lens barrel 12, wherein the dichroic mirror 15 is installed on the inclined plane of the installation base 16 in a glue fixing mode, reinforcing ribs 27 are installed on two side faces of the installation base 16 to increase the structural strength of the installation base 16, and the installation base 16 is installed on the bottom plate 1 shown below through bolt connection;
the blue light lens barrel 24 and the yellow light lens barrel 12 are both fixedly connected with the second support, and the blue light lens barrel 24 and the yellow light lens barrel 12 can both generate axial displacement relative to the second support, and the connection mode can be that the second support is provided with a mounting hole and is connected to a specific position in the mounting hole through a bolt, and certainly, the connection mode can also be changed into sliding type adjustment and locking through the modes of arranging a sliding rail, a sliding groove and the like; the blue-light ceramic chip is arranged in the blue-light ceramic cover 21, the blue-light ceramic cover 21 is in threaded connection with the blue-light lens barrel 24, and the blue-light ceramic cover 21 can drive the blue-light ceramic chip to generate axial displacement relative to the second small lens 22, namely, the distance from the blue-light ceramic chip to the second small lens 22 can be changed by rotating the blue-light ceramic cover 21, so that the size of a reflected blue-light spot is changed; the blue light lens barrel 24 is mounted on the side face of the mounting seat 16 of the dichroic mirror 15 through bolt connection, and the blue light lens barrel 24 can be adjusted relative to the side face of the mounting seat 16 of the dichroic mirror 15 due to threaded connection, so that the adjustment of the coincidence degree of the blue light spot and the yellow light spot is realized. Meanwhile, as the distance between the third small lens 13 and the fluorescent surface of the fluorescent wheel 18 has strict requirements, the distance between the third small lens 13 and the fluorescent surface of the fluorescent wheel 18 can be adjusted by adjusting the axial position of the yellow light barrel 12 in the mounting hole of the mounting seat 16 of the dichroic mirror 15;
an avoiding space is formed in the second bracket below the third small lens 13 and used for accommodating a fluorescent wheel 18 generating yellow light.
The yellow light excitation module further comprises a fluorescent wheel 18 mounting assembly, the fluorescent wheel 18 mounting assembly comprises a third bracket 17 and a fluorescent wheel mounting plate 19 arranged on the third bracket 17, and the fluorescent wheel 18 can rotate relative to the fluorescent wheel mounting plate 19.
In order to enhance the environmental adaptability of the light source, the fluorescent wheel mounting plate 19 is provided with a heating device 20 and a temperature control part for controlling the on-off of the heating device 20 to provide temperature parameters; the fluorescent wheel 18 comprises a motor assembly, and the problem that the fluorescent wheel 18 cannot be started can occur when the fluorescent wheel 18 is started at a low temperature, so that the fluorescent wheel mounting plate 19 is heated by starting the heating device 20 in advance, heat is conducted to the fluorescent wheel 18, the fluorescent wheel 18 is heated, and the problem that the fluorescent wheel 18 cannot be started at the low temperature can be solved. The control mode can be as follows: the temperature of the fluorescent wheel mounting plate 19 is detected by the temperature probe 28 in the temperature control portion, and the heating device 20 and the temperature probe 28 are externally connected to the temperature controller, so that the start and stop of the heating device 20 can be controlled.
The laser emission unit comprises a laser module 2 and a first lens assembly used for focusing laser beams, wherein the first lens assembly comprises a first support 3 and a first lens barrel 6 arranged on the first support 3, and a first large lens 4 and a first small lens 8 which are sequentially arranged on the first lens barrel 6 along a laser beam propagation path; the first large lens 4 can be mounted to a corresponding mounting position of the first barrel 6 through the lens pressing ring 5, although other lenses can be mounted in this way, which is not listed; the first barrel 6 is mounted to the first bracket 3 by bolting, and the first bracket 3 is mounted to the lower base plate 1 by bolting.
The first lens cone 6 is provided with a first small lens cone 7 which is used for fixing a first small lens 8 and can be axially moved and locked; preferably, the first small barrel 7 is in threaded connection with the first barrel 6; that is, the axial position adjustment of the first small lens 8 can be realized by rotating the first small barrel 7.
In order to reduce the structure volume, a light path is changed, and the mode is effectively realized as a mode of arranging in parallel, specifically, a reflecting assembly is arranged on the first bracket 3, and comprises a reflecting bracket and a reflecting mirror 10 arranged on the inclined surface of the reflecting bracket; preferably, the laser light scattering unit includes a scattering sheet 11 disposed on a vertical surface of the support of the reflecting mirror 10; the reflector 10 is mounted on the inclined plane of the reflection frame 9 by means of glue fixation, and the scattering sheet 11 is mounted on the vertical plane of the reflection frame 9 by means of glue fixation. The reflection frame 9 is positioned above the first lens cone 6, the orientation of the reflection mirror 10 can be adjusted by rotating the reflection frame 9, so that the light beam is corrected, and the reflection frame 9 is fixed above the first lens cone 6 through bolt connection.
Based on all the components, the light-emitting principle is as follows:
the laser module 2 can emit a blue laser beam, the laser beam irradiates the reflecting mirror 10 through the first large lens 4 and the first small lens 8, the beam is reflected by the reflecting mirror 10 and irradiates the dichroic mirror 15 after passing through the scattering sheet 11, the blue lens barrel 24 is arranged on the left side of the dichroic mirror 15, the yellow lens barrel 12 is arranged below the dichroic mirror, the laser beam irradiates the blue lens barrel 24 through a part of the dichroic mirror 15, the blue ceramic wafer in the blue ceramic cover 21 is irradiated through the blue lens barrel 24 in a focusing manner, and the blue light is reflected to the dichroic mirror 15. The other part is reflected to the yellow light lens barrel 12 by the dichroic mirror 15, is focused to irradiate the fluorescent wheel 18 through the small yellow light lens barrel, reflects the yellow light to the dichroic mirror 15, and synthesizes the yellow light and the blue light into white light to irradiate the white light emitting unit.
As a light source which can be used and marketed, the white light laser light source also comprises a light source shell 25, a laser emission unit, a laser scattering unit and a white light combining unit are all arranged inside the light source shell 25, the white light emitting unit comprises a light outlet arranged on the light source shell 25 and a light outlet lens 26 arranged at the light outlet, in order to reduce the structure volume, the laser emission unit and the white light combining unit are arranged on the bottom plate 1 of the light source shell 25 side by side, and the laser scattering unit is arranged at the upper part of the laser emission unit and is positioned between the laser emission unit and the white light combining unit.
In order to facilitate cooling, the bottom plate 1 is made of a metal material with good heat dissipation.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. A white light laser light source is characterized by comprising a laser emitting unit, and a laser scattering unit, a white light combining unit and a white light emitting unit which are sequentially arranged along a laser beam propagation path, wherein the white light combining unit comprises a dichroic mirror, a blue light excitation module and a yellow light excitation module; the blue light arouses the module including blue light lens and the blue light potsherd that arranges in proper order along laser beam direction of propagation, the yellow light arouses the module including yellow light lens and the fluorescence wheel that arranges in proper order along laser beam direction of propagation.
2. The white light laser light source of claim 1, wherein the blue light lens comprises a second large lens and a second small lens, the blue light excitation module further comprises a blue light lens barrel and the second large lens and the second small lens which are sequentially arranged on the blue light lens barrel along a laser beam propagation path, and the blue light ceramic sheet is arranged behind the second small lens; the yellow light exciting module comprises a yellow light lens barrel, a third large lens and a third small lens which are sequentially arranged on the yellow light lens barrel along a laser beam propagation path, and the fluorescent wheel is arranged behind the third small lens.
3. The white light laser light source of claim 2, wherein the white light combining unit further comprises a second bracket for mounting the dichroic mirror, the blue light barrel and the yellow light barrel are both fixedly connected to the second bracket, and both the blue light barrel and the yellow light barrel can generate axial displacement relative to the second bracket; the blue-light ceramic chip is arranged in a blue-light ceramic cover, the blue-light ceramic cover is in threaded connection with the blue-light lens barrel, and the blue-light ceramic cover can drive the blue-light ceramic chip to generate axial displacement relative to the second small lens; an avoiding space is formed in the second support and located below the third small lens, and the avoiding space is used for accommodating the fluorescent wheel generating yellow light.
4. The white light laser light source of claim 1, wherein the yellow light excitation module further comprises a fluorescent wheel mounting assembly, the fluorescent wheel mounting assembly comprises a third bracket and a fluorescent wheel mounting plate disposed on the third bracket, and the fluorescent wheel is rotatable relative to the fluorescent wheel mounting plate.
5. The white light laser light source as claimed in claim 4, wherein the fluorescent wheel mounting plate is provided with a heating device and a temperature control part for controlling the on/off of the heating device.
6. The white light laser light source of claim 3 or 5, wherein the laser emitting unit comprises a laser module and a first lens assembly for focusing the laser beam, the first lens assembly comprises a first bracket and a first lens barrel arranged on the first bracket, and the first lens barrel is provided with a first large lens and a first small lens which are sequentially arranged along the propagation path of the laser beam.
7. The white light laser light source as claimed in claim 6, wherein the first barrel is provided with a first small barrel for fixing the first small lens and axially movably locking; preferably, the first small barrel is in threaded connection with the first barrel.
8. The white light laser light source of claim 6, wherein the first bracket is provided with a reflection assembly, the reflection assembly comprises a reflection bracket and a reflector arranged on an inclined surface of the reflection bracket; preferably, the laser light scattering unit includes a scattering sheet disposed on a vertical surface of the mirror support.
9. The white light laser light source of claim 1, further comprising a light source housing, wherein the laser emitting unit, the laser scattering unit, and the white light combining unit are disposed inside the light source housing, the white light emitting unit includes a light outlet opened on the light source housing and a light outlet lens disposed at the light outlet, the laser emitting unit and the white light combining unit are disposed side by side on a bottom plate of the light source housing, and the laser scattering unit is disposed on an upper portion of the laser emitting unit and located between the laser emitting unit and the white light combining unit.
10. The white light laser light source of claim 9, wherein the bottom plate is made of a metal material with good heat dissipation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011137072.2A CN112799226A (en) | 2020-10-22 | 2020-10-22 | White light laser light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011137072.2A CN112799226A (en) | 2020-10-22 | 2020-10-22 | White light laser light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112799226A true CN112799226A (en) | 2021-05-14 |
Family
ID=75807389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011137072.2A Pending CN112799226A (en) | 2020-10-22 | 2020-10-22 | White light laser light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112799226A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115419864A (en) * | 2022-10-14 | 2022-12-02 | 核工业理化工程研究院 | Laser lighting system capable of generating white light by excitation of blue laser |
| WO2024075209A1 (en) * | 2022-10-05 | 2024-04-11 | シャープＮｅｃディスプレイソリューションズ株式会社 | Light source device and projector |
-
2020
- 2020-10-22 CN CN202011137072.2A patent/CN112799226A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024075209A1 (en) * | 2022-10-05 | 2024-04-11 | シャープＮｅｃディスプレイソリューションズ株式会社 | Light source device and projector |
| CN115419864A (en) * | 2022-10-14 | 2022-12-02 | 核工业理化工程研究院 | Laser lighting system capable of generating white light by excitation of blue laser |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5788194B2 (en) | Light emitting device, lighting device, and vehicle headlamp | |
| JP5271590B2 (en) | Vehicle lighting | |
| JP5968682B2 (en) | Floodlight device and vehicle headlamp | |
| CN102466187B (en) | Light emitting device, illumination device, vehicle headlamp and vehicle | |
| EP3489326A1 (en) | Lamp for laser applications | |
| CN112799226A (en) | White light laser light source | |
| JP2007323858A (en) | Variable light distribution vehicular lamp | |
| CN102537806A (en) | Light emitting device, vehicle headlamp, and illumination device | |
| JP4179176B2 (en) | LED lamp device | |
| JP5722068B2 (en) | Light source device, lighting device and vehicle headlamp | |
| JP6087809B2 (en) | Lighting device | |
| JP2013080638A (en) | Collected linear lighting device and its driving method as well as lamp fitting | |
| JP2016046072A (en) | Lighting device and vehicle headlight | |
| CN214704171U (en) | White light laser light source | |
| CN110792985B (en) | Light source device and headlamp system | |
| JP2013004481A (en) | Light-emitting device, headlamp for vehicle, and lighting system | |
| WO2020257091A1 (en) | Hybrid led/laser light source for smart headlight applications | |
| CN219286877U (en) | Laser light source with superimposed power | |
| JP2013026163A (en) | Light-emitting device, vehicular headlight and lighting device | |
| JP5842041B2 (en) | Light emitting device | |
| CN217156942U (en) | Small-volume white light laser light source containing dichromatic mirror | |
| JP2017228390A (en) | Lighting device | |
| CN217153889U (en) | Compact white light laser light source | |
| JP2013161889A (en) | Light-emitting device, vehicular headlamp, and color adjusting method of light-emitting device | |
| JP6235081B2 (en) | Floodlight device and vehicle headlamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |