CN205301794U - Light source device - Google Patents
Light source device Download PDFInfo
- Publication number
- CN205301794U CN205301794U CN201521003450.2U CN201521003450U CN205301794U CN 205301794 U CN205301794 U CN 205301794U CN 201521003450 U CN201521003450 U CN 201521003450U CN 205301794 U CN205301794 U CN 205301794U
- Authority
- CN
- China
- Prior art keywords
- light
- light source
- transparent area
- supply apparatus
- reflector
- 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.)
- Active
Links
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a light source device, it includes light source cell, bowl, wavelength converters, collection device. The bowl includes that plane of reflection, first light zone, second pass through light zone, and the plane of reflection is the internal surface of bowl, the light source cell sets up in surface one side of bowl, and wavelength converters, collection device set up in internal surface one side of bowl. The light source cell produces first light and launches wavelength converters through first light zone, wavelength converters produces under of the shining of first light and receives laser and the plane of reflection of outgoing to the bowl, the plane of reflection reflection receives laser for receive the incident surface of laser irradiation to collection device, the light source cell still produces second light and passes through the incident surface that light zone launches collection device through the second. This light source device has designed including the bowl that passes through light zone more than two, makes second light directly incide in collection device, can reduce the exciting light that incides in wavelength converters to reduce generating heat of wavelength converters, improve the utilization ratio of light.
Description
Technical field
This utility model relates to optical technical field, is specifically related to a kind of light supply apparatus.
Background technology
In recent years, fast development along with laser display industry, the market prospect that laser is applied to field of projection display is increasing, prior art has employing green laser as light source, but, due to green laser defect in efficiency etc., utilize it to obtain the relatively costly of RGB tri-coloured light, and emergent light is also unstable.
In order to make up laser as the light source defect in green spectrum scope, the scheme that LASER Excited Fluorescence powder obtains green glow is utilized to be subject to the attention of research worker. Fluorescent material is as the luminescent material of a kind of maturation, and its cost is low, luminous efficiency is high, it is possible to meet the requirement of high-power and high-luminance light source. Heat dissipation problem during in order to solve fluorescent material by high-power excitation light irradiation, fluorescent material is applied on telecontrol equipment by prior art, for instance be coated on colour wheel by fluorescent material, and excitation fluorescent material sends Stimulated Light.
But in the scheme of prior art, when the excitation light irradiation not absorbed by fluorescent material is on colour wheel, the light conversion of fluorescent material is saturated, unnecessary exciting light will cause generation heat on colour wheel, colour wheel caloric value is increased, the conversion efficiency of fluorescent material reduces, and along with the life-time service of light supply apparatus, necessarily causes colour wheel service life reduction.
Utility model content
This utility model provides a kind of light supply apparatus, and it includes light source cell, reflector, Wavelength converter, collection device. Reflector includes being arranged at the reflecting surface of reflector inner surface, the first transparent area, the second transparent area. Light source cell is arranged at the outer surface side of reflector, and Wavelength converter, collection device are arranged at the inner surface side of reflector. Light source cell is used for producing the first light, and the first light is incident in Wavelength converter by the first transparent area;Wavelength converter produces Stimulated Light under the irradiation of the first light and Stimulated Light shines the reflecting surface of reflector; Reflective surface is from the Stimulated Light of Wavelength converter so that Stimulated Light is irradiated to the plane of incidence of collection device. Light source cell is additionally operable to produce the second light, and the second light is incident in the plane of incidence of collection device by the second transparent area.
Light supply apparatus of the present utility model devises the reflector including the first transparent area, the second transparent area, the second light is made to be directly incident on collection device, the light being incident in Wavelength converter can being reduced, thus reducing the heating of Wavelength converter, improving the utilization rate of light.
Accompanying drawing explanation
Fig. 1 is the structural representation of the light supply apparatus of this utility model embodiment one;
Fig. 2 is the structural representation of the light supply apparatus of this utility model embodiment two;
Fig. 3 is the structural representation of the light supply apparatus of this utility model embodiment three;
Fig. 4 is the structural representation of the light supply apparatus of this utility model embodiment four;
Fig. 5 is the structural representation of the light supply apparatus of this utility model embodiment five;
Fig. 6 is the structural representation of the light supply apparatus of this utility model embodiment six;
Fig. 7 is the structural representation of the light supply apparatus of this utility model embodiment seven.
Detailed description of the invention
This utility model is described in further detail in conjunction with accompanying drawing below by detailed description of the invention.
Embodiment one:
As described in Figure 1, the light supply apparatus of the present embodiment includes light source cell, reflector, Wavelength converter, collection device.
Light source cell includes the first light source 201 and secondary light source 211, and the first light source 201 and secondary light source 211 can be the light (being such as both blue light) sending phase co-wavelength, it is also possible to be the light sending different wave length.
Reflector includes reflecting surface the 205, first transparent area the 206, second transparent area 207, and reflecting surface 205 is the inner surface of reflector. Those skilled in the art can design more transparent area according to practical situation on reflector, and transparent area can be light hole, optical filter or light splitting piece.
Wavelength converter is colour wheel 202, and it rotates under the driving of motor 203, and the present embodiment specifically adopts disc colour wheel, and the disc of colour wheel is provided with material for transformation of wave length.
Collection device 204 is integrating rod.
First light source 201, secondary light source 211 are arranged at the outer surface side of reflector, and colour wheel 202, integrating rod 204 are arranged at the inner surface side of reflector.
The light path principle of the light supply apparatus of the present embodiment is as described below.
First light source 201 produces the first light and is passed through the first transparent area 206 and be transmitted into the surface with material for transformation of wave length of colour wheel 202; Material for transformation of wave length can adopt fluorescent material, and the first smooth excitated fluorescent powder produces the Stimulated Light being different from the first optical wavelength. Stimulated Light is shone the reflecting surface 205 of reflector by colour wheel 202 with the form of scattering or reflection. Reflecting surface 205 reflects the Stimulated Light from colour wheel 202 so that Stimulated Light is irradiated to the plane of incidence of integrating rod 204.
Secondary light source 211 produces the second light and is passed through the second transparent area 207 and be transmitted directly to the plane of incidence of integrating rod 204.
The reflector of the present embodiment is arc shell device, and its reflecting surface 205 is the arc shell inner surface of reflector. Specifically, the reflector of the present embodiment is incomplete Surface of Sphere shape, it can be such as a hemisphere face, the facula position that the first light that first light source 201 is launched is irradiated on colour wheel 202 is symmetrical about the centre of sphere of reflector with the plane of incidence of integrating rod 204, thus, the plane of incidence place of integrating rod 204 can be reflexed to by reflecting surface 205 from all light of this hot spot scattering/reflect away.Herein, the plane of incidence area of integrating rod 204 is less, it is believed that can be irradiated to the centre of sphere symmetry about reflector of the hot spot on colour wheel 202 with the first light.
Those skilled in the art can according to the material for transformation of wave length type of the luminous color of practical situation flexible design the first light source 201, secondary light source 211 and colour wheel 202.
Such as, the first light source 201 is blue laser light source, for instance blue light laser diode, and secondary light source 211 is also blue laser light source, and colour wheel 202 is monochromatic yellows light colour wheel, it is yellow fluorescent powder, and blue LASER Excited Fluorescence powder sends gold-tinted. Blue laser and the gold-tinted of colour wheel 202 generation that secondary light source 211 sends close light at the plane of incidence of integrating rod 204, and due to colour wheel 202 employing is monochromatic colour wheel, therefore avoids the multi partition colour wheel spoke hot spot phenomenon when change partitions; It addition, by the intensity controlling the blue laser that secondary light source 211 sends, it is possible to control is warm colour or cool colour from the light of integrating rod 204 outgoing.
Again such as, first light source 201 is blue laser light source, secondary light source 211 is also blue laser light source, it colour wheel 202 is green fluorescence color Duan Yuhong iridescent section, blue laser and the green glow of colour wheel 202 generation, HONGGUANG that secondary light source 211 sends close light at the plane of incidence of integrating rod 204, thus final by the color sequence of light of integrating rod 204 outgoing RGB.
Again such as, the first light source 201 is blue laser light source, such as blue light laser diode array; Secondary light source 211 is red laser light source, such as red laser diode array; Being green fluorescence color section region and retroreflective regions on colour wheel 202, red laser and the blue light of the green glow of colour wheel 202 generation, reflection that secondary light source 211 sends close light at the plane of incidence of integrating rod 204, thus final by the color sequence of light of integrating rod 204 outgoing RGB; Meanwhile, this design can carry out the second light and HONGGUANG and the HONGGUANG produced by green fluorescence color section to close light, to improve the color rendering properties of HONGGUANG. In this embodiment, first light source 201 and secondary light source 211 can be the light-emitting device array at least including blue light laser diode and red laser diode, this technical scheme can make light source cell compact conformation, simultaneously facilitates and the light-emitting component in light source cell is carried out circuit control.
In other embodiments of the present utility model, the first transparent area 206 and the second transparent area 207 could alternatively be transmission the first light and/or the second light and reflect the optical filter of Stimulated Light.
Embodiment two:
As shown in Figure 2, the light supply apparatus of the present embodiment includes the first excitation source 201, spectrophotometric unit, reflector, colour wheel 202, integrating rod 204, wherein in spectrophotometric unit light path between the first excitation source 201 and reflector, spectrophotometric unit includes polarising means 208, light splitting device 209, reflection unit 210
The present embodiment is compared with embodiment one, and the principle of luminosity of light supply apparatus has following difference. The light source cell of the present embodiment only has the first single excitation source 201, and the first excitation source 201 produces the first exciting light and launched to polarising means 208; The conjunction light that first exciting light is converted to first light (P light) with different polarization states by polarising means 208 and the second light (S light) forms, and the conjunction light of P light and S light is shone light splitting device 209; First exciting light is carried out polarization state light splitting by light splitting device 209, and transmission P light makes P light be transmitted into colour wheel 202 by the first transparent area 206 and excitated fluorescent powder sends Stimulated Light, and light splitting device 209 is also by S luminous reflectance to reflection unit 210;The S light that reflection unit 210 reflects from light splitting device 209 makes S light be transmitted into the plane of incidence of integrating rod 204 by the second transparent area 207.
Further, adopt the technical scheme of the present embodiment, also include the first adjustment device (not shown), polarising means 208 can be regulated by the first adjustment device and change the first light and the flux ratio of the second light, thus regulating final by the chromaticity coordinates of the light of integrating rod 204 outgoing.
In addition, the technical scheme of the present embodiment adopts the first single excitation source, make the consistent wavelength of the first light and the second light not absorbed by colour wheel through colour wheel, it is to avoid the chromaticity coordinates drift of this unabsorbed first light and the second light this coloured light after integrating rod 204 closes light.
Embodiment three:
As it is shown on figure 3, the light supply apparatus of the present embodiment includes the first excitation source 201, spectrophotometric unit, reflector, colour wheel 202, integrating rod 204, wherein, spectrophotometric unit includes transflection device 212 and reflection unit 210, and transflection device 212 is trans-reflecting sheet.
The present embodiment is compared with embodiment one, and the principle of luminosity of light supply apparatus has following difference. First excitation source 201 produces the first exciting light and is launched to trans-reflecting sheet 212; A part for trans-reflecting sheet 212 makes the first exciting light being transmitted be transmitted into colour wheel 202 by the first transparent area 206 for transmission the first exciting light, and the first exciting light being transmitted reflector plate 212 transmission is the first light; The first excitation light irradiation that another part of trans-reflecting sheet 212 makes to be reflected for reflecting the first exciting light is to reflection unit 210, and the first exciting light being transmitted reflector plate 212 reflection is the second light; The second light that reflection unit 210 reflects from trans-reflecting sheet 212 makes the second light be transmitted into the plane of incidence of integrating rod 204 by the second transparent area 207.
Trans-reflecting sheet 212 can be that the area (region 2121) of half is for transmission the first exciting light, second half area (region 2122) is used for reflecting the first exciting light, and the area of transmission and reflection the first exciting light can also be other ratio. This utilization arranges optical element in light path, makes light be divided into the mode of two-beam to be called geometry light splitting on space geometry, and wherein trans-reflecting sheet 212 can pass through to arrange the mode of vacancy section on plane-reflector and realizes.
Further, adopt the technical scheme of the present embodiment, also include the second adjustment device (not shown), regulate device by second and rotate trans-reflecting sheet 212, the amount of the first exciting light being transmitted and reflecting can be changed, thus changing the first light and the flux ratio of the second light, the rotating shaft of this rotation and the central optical axis of the first exciting light are misaligned. The present embodiment can also pass through the second adjustment device and otherwise change the locus of transflection device, such as along modes such as trans-reflecting sheet place in-plane move, but no matter which kind of mode, is desirable that hot spot meets existing part on trans-reflecting sheet and falls within regional transmission and have again part to fall within reflector space.
In addition, the technical scheme of the present embodiment adopts the first single excitation source, make the consistent wavelength of unabsorbed first light and the second light through colour wheel, it is to avoid the chromaticity coordinates drift of this unabsorbed first light and the second light this coloured light after integrating rod 204 closes light.
Embodiment four:
As shown in Figure 4, the light supply apparatus of the present embodiment includes light source cell, reflector, colour wheel 202, integrating rod 204.Light source cell includes the first light source 201 and secondary light source 211, diffusion sheet 209, collecting lens 208, and the focus of collecting lens 208 is positioned at reflector internal (i.e. reflector inner surface side).
The present embodiment is compared with embodiment one, and the principle of luminosity of light supply apparatus has following difference. First light source 201 produces the first light and is passed through the first transparent area 206 and be transmitted into colour wheel 202; Secondary light source 211 produces the second light and is transmitted to diffusion sheet 209; The second light from secondary light source 211 is scattered being processed such that the second light is irradiated to collecting lens 208 by diffusion sheet 209; Second light of collecting lens 208 self-scattering sheet 209 in the future converges, and makes the second light incide the plane of incidence of integrating rod 204 by the second transparent area 207, and the second light converging outgoing through collecting lens 208 is the second light. The technical scheme of the present embodiment can improve the uniformity of the second light, increases its angle of divergence being incident in integrating rod 204. Further, make the second light at the beam cross section area of the second transparent area less than second light facula area at integrating rod 204, thus reducing the light loss that the first light excites the Stimulated Light of generation further.
Embodiment five:
As it is shown in figure 5, the light supply apparatus of the present embodiment includes the first light source 201, secondary light source 211, reflector, colour wheel 202, integrating rod 204. The second parallel light that the first light that first light source 201 is launched is launched with secondary light source 211.
The present embodiment is compared with embodiment one, and the principle of luminosity of light supply apparatus has following difference. Reflector is incomplete ellipsoidal surface shape, it can be such as the housing of a semielliptical shape, the first light that first light source 201 is launched is irradiated to the plane of incidence of facula position on colour wheel 202 and integrating rod 204 and lays respectively at two focal point of ellipsoidal surface, thus, the plane of incidence place of integrating rod 204 can be reflexed to by reflecting surface 205 from all light of this hot spot scattering/reflect away. Compared with the technical scheme of round sphere reflector, in the present embodiment, the second transparent area 207 is remote apart from the luminous position of colour wheel 202, angle is big so that the light of loss is less.
Embodiment six:
As shown in Figure 6, compared with embodiment five, it is distinctive in that, the first light that first light source 201 of the present embodiment is launched is not parallel with the second light that secondary light source 211 is launched, the second light that secondary light source 211 is launched enters inside reflector by the second transparent area 207 oblique incidence, the position being positioned further away from the first transparent area 206 of the second transparent area 207, it is thus possible to reduce light loss further.
Embodiment seven:
As shown in Figure 7, compared with embodiment one or embodiment five, it is distinctive in that, the colour wheel 202 of the present embodiment is cylindrical colour wheel (or tubbiness colour wheel), the radial direction of cylindrical colour wheel is parallel with the central shaft of integrating rod 204, the circumferential side surface of cylindrical colour wheel scribbles material for transformation of wave length, first light is transmitted on the circumferential side surface of cylindrical colour wheel by the first transparent area 206 by the first light source 201, this design can reduce the volume of the transverse direction (namely as shown in the figure colour wheel rotor shaft direction) of light supply apparatus, make colour wheel and integrating rod space overlap in emergent light direction of advance, thus realizing compact conformation.
The single-pass unthreaded hole reflector of prior art is replaced with the reflector including two or more transparent area by light supply apparatus of the present utility model, the second light is made to be directly incident on the collection device at reflector light path rear, can effectively reduce the exciting light being incident in Wavelength converter, decrease the second light on colour wheel because of the light loss being reflected/being absorbed and produce and heat, thus reducing colour wheel heating, improve the utilization rate of light.
Meanwhile, light supply apparatus of the present utility model realizes at collection device place closing light, decreases the device for closing light, and the collocation design of each ingredient can simplify light channel structure, shortens light path, reduces the volume of light supply apparatus. It can be applied to lighting, such as high-power illuminations such as car lights, it is also possible to as projection light source.
Above content is in conjunction with specific embodiment further detailed description of the utility model, it is impossible to assert that of the present utility model being embodied as is confined to these explanations. For this utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace.
Claims (10)
1. a light supply apparatus, it is characterised in that
Including light source cell, reflector, Wavelength converter, collection device;
Described reflector includes being arranged at the reflecting surface of described reflector inner surface, the first transparent area, the second transparent area;
Described light source cell is arranged at the outer surface side of described reflector, and described Wavelength converter, described collection device are arranged at the inner surface side of described reflector;
Described light source cell is used for producing the first light, and described first light is incident in described Wavelength converter by described first transparent area;
Described Wavelength converter produces Stimulated Light under the irradiation of described first light and described Stimulated Light shines the reflecting surface of described reflector;
Described reflective surface is from the Stimulated Light of described Wavelength converter so that described Stimulated Light is irradiated to the plane of incidence of described collection device;
Described light source cell is additionally operable to produce the second light, and described second light is incident in the plane of incidence of described collection device by described second transparent area.
2. light supply apparatus as claimed in claim 1, it is characterised in that
Described reflector is incomplete Surface of Sphere shape, and the facula position that the first light that described light source cell is launched is irradiated on described Wavelength converter is symmetrical about the centre of sphere of described reflector with the plane of incidence of described collection device;
Or, described reflector is incomplete ellipsoidal surface shape, and the first light that described light source cell is launched is irradiated to the plane of incidence of facula position on described Wavelength converter and described collection device and lays respectively at two focal point of ellipsoidal surface.
3. light supply apparatus as claimed in claim 1 or 2, it is characterised in that
Described light source cell includes the first light source, secondary light source;
Described first light source is used for producing the first light and by described first transparent area, described first light being transmitted into described Wavelength converter;
Described secondary light source is for producing the second light and described second light being transmitted into by described second transparent area the plane of incidence of described collection device.
4. light supply apparatus as claimed in claim 3, it is characterised in that
Also include the diffusion sheet, the collecting lens that are positioned in described second light path;
Described secondary light source is used for producing the second light and by described second light emission to described diffusion sheet;
Described diffusion sheet is for being scattered the second light from described secondary light source processing and making described second light be irradiated to described collecting lens;
Described collecting lens is for converging the second light from described diffusion sheet, and makes described second light be incident in the plane of incidence of described collection device through described second transparent area.
5. light supply apparatus as claimed in claim 1 or 2, it is characterised in that
Described light source cell includes the first excitation source, spectrophotometric unit;
Described first excitation source is used for producing the first exciting light and being launched to described spectrophotometric unit;
In described spectrophotometric unit light path between described first excitation source and described reflector, carry out polarization state light splitting or geometry light splitting for the first exciting light that described first excitation source is launched, thus producing the first light and the second light.
6. light supply apparatus as claimed in claim 5, it is characterised in that
Described spectrophotometric unit includes polarising means, light splitting device, reflection unit;
Described polarising means for changing into the conjunction light of the first light and second light with different polarization states by the first exciting light that described first excitation source is launched, and the conjunction light of described first light and described second light is shone described light splitting device;
Described light splitting device first light described in transmission makes described first light be transmitted into described Wavelength converter by described first transparent area, and described light splitting device is additionally operable to described second luminous reflectance to described reflection unit;
Described reflection unit is for reflecting described second light from described light splitting device so that described second light is transmitted into the plane of incidence of described collection device by described second transparent area;
Described light supply apparatus also includes the first adjustment device, and it is used for regulating described polarising means, to change described first light and the flux ratio of described second light.
7. light supply apparatus as claimed in claim 5, it is characterised in that
Described spectrophotometric unit includes transflection device, reflection unit;
The first exciting light that a part for described transflection device first excitation source described in transmission is launched makes the first exciting light being transmitted be transmitted into described Wavelength converter by described first transparent area, and described the first exciting light by transflection device transmission is the first light;
The first excitation light irradiation that another part of described transflection device makes to be reflected for reflecting the first exciting light is to described reflection unit, and described the first exciting light reflected by transflection device is the second light;
Described reflection unit is for reflecting described second light from described transflection device so that described second light is transmitted into the plane of incidence of described collection device by described second transparent area;
Described light supply apparatus also includes the second adjustment device, and it is for regulating the locus of described transflection device, to change described first light and the flux ratio of described second light.
8. light supply apparatus as claimed in claim 1 or 2, it is characterised in that
Described Wavelength converter is disc colour wheel, and the disc of described colour wheel has material for transformation of wave length, and described first light is transmitted on the disc of described colour wheel by described first transparent area by described light source cell;
Or, described Wavelength converter is cylindrical colour wheel, and the circumferential side surface of described cylindrical colour wheel has material for transformation of wave length, and described first light is transmitted on the circumferential side surface of described cylindrical colour wheel by described light source cell by described first transparent area.
9. light supply apparatus as claimed in claim 1 or 2, it is characterised in that
Described light source cell is made up of at least one blue light laser diode, and described first light and described second light are all blue lights, and described Wavelength converter is monochromatic yellows light colour wheel.
10. light supply apparatus as claimed in claim 1 or 2, it is characterised in that
Described light source cell is the light-emitting device array at least including blue light laser diode and red laser diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521003450.2U CN205301794U (en) | 2015-12-07 | 2015-12-07 | Light source device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521003450.2U CN205301794U (en) | 2015-12-07 | 2015-12-07 | Light source device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205301794U true CN205301794U (en) | 2016-06-08 |
Family
ID=56435338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521003450.2U Active CN205301794U (en) | 2015-12-07 | 2015-12-07 | Light source device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205301794U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226985A (en) * | 2016-09-30 | 2016-12-14 | 海信集团有限公司 | A kind of LASER Light Source and laser projection device |
| CN107885020A (en) * | 2016-09-30 | 2018-04-06 | 海信集团有限公司 | A kind of LASER Light Source and projector equipment |
| TWI658292B (en) * | 2018-06-20 | 2019-05-01 | 中強光電股份有限公司 | Illumination system and projection apparatus |
| CN109932858A (en) * | 2017-12-18 | 2019-06-25 | 中强光电股份有限公司 | Lighting system and projection arrangement |
| CN110440150A (en) * | 2018-05-04 | 2019-11-12 | 上海午井光电科技有限公司 | Reflective laser lighting system equipped with double light sources |
| CN110500517A (en) * | 2018-05-16 | 2019-11-26 | 上海午井光电科技有限公司 | Reflective laser lighting system |
| WO2020024610A1 (en) * | 2018-08-01 | 2020-02-06 | 深圳市绎立锐光科技开发有限公司 | Light source system and light-emitting apparatus |
| US10602101B2 (en) | 2017-12-12 | 2020-03-24 | Coretronic Corporation | Light source module and projection device |
| US10775635B2 (en) | 2017-05-16 | 2020-09-15 | Signify Holding B.V. | Color mixing in laser-based light source |
| CN111897183A (en) * | 2019-05-06 | 2020-11-06 | 无锡视美乐激光显示科技有限公司 | Light emitting device and projection system |
-
2015
- 2015-12-07 CN CN201521003450.2U patent/CN205301794U/en active Active
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107885020A (en) * | 2016-09-30 | 2018-04-06 | 海信集团有限公司 | A kind of LASER Light Source and projector equipment |
| CN106226985B (en) * | 2016-09-30 | 2019-03-01 | 海信集团有限公司 | A kind of laser light source and laser projection device |
| CN106226985A (en) * | 2016-09-30 | 2016-12-14 | 海信集团有限公司 | A kind of LASER Light Source and laser projection device |
| US10775635B2 (en) | 2017-05-16 | 2020-09-15 | Signify Holding B.V. | Color mixing in laser-based light source |
| US10602101B2 (en) | 2017-12-12 | 2020-03-24 | Coretronic Corporation | Light source module and projection device |
| CN109932858A (en) * | 2017-12-18 | 2019-06-25 | 中强光电股份有限公司 | Lighting system and projection arrangement |
| CN109932858B (en) * | 2017-12-18 | 2021-04-23 | 中强光电股份有限公司 | Illumination system and projection device |
| CN110440150A (en) * | 2018-05-04 | 2019-11-12 | 上海午井光电科技有限公司 | Reflective laser lighting system equipped with double light sources |
| CN110500517A (en) * | 2018-05-16 | 2019-11-26 | 上海午井光电科技有限公司 | Reflective laser lighting system |
| TWI658292B (en) * | 2018-06-20 | 2019-05-01 | 中強光電股份有限公司 | Illumination system and projection apparatus |
| CN110618575A (en) * | 2018-06-20 | 2019-12-27 | 中强光电股份有限公司 | Illumination system and projection device |
| WO2020024610A1 (en) * | 2018-08-01 | 2020-02-06 | 深圳市绎立锐光科技开发有限公司 | Light source system and light-emitting apparatus |
| CN110792949A (en) * | 2018-08-01 | 2020-02-14 | 深圳市绎立锐光科技开发有限公司 | Light source system and light emitting device |
| CN110792949B (en) * | 2018-08-01 | 2022-05-03 | 深圳市绎立锐光科技开发有限公司 | Light source system and light emitting device |
| CN111897183A (en) * | 2019-05-06 | 2020-11-06 | 无锡视美乐激光显示科技有限公司 | Light emitting device and projection system |
| CN111897183B (en) * | 2019-05-06 | 2021-11-19 | 无锡视美乐激光显示科技有限公司 | Light emitting device and projection system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205301794U (en) | Light source device | |
| KR102088741B1 (en) | Light-emitting device and projection system | |
| CN103403596B (en) | Luminaire | |
| EP3306391B1 (en) | Laser light source and projection display device | |
| CN205539893U (en) | Wavelength converters , light source system and projection arrangement | |
| CN102859257B (en) | Compact mixed light LED light engine and narrow beam white led lamps and use its high CRI | |
| JP5411910B2 (en) | Light source system | |
| CN102418907B (en) | Light source | |
| CN106597785B (en) | A kind of fluorescent wheel and two-color laser light source | |
| CN103574347B (en) | Lighting apparatus with fluorescent wheel | |
| US11215909B2 (en) | Light source system and projection device | |
| CN102520570B (en) | Luminous device and projection system adopting same | |
| CN204201727U (en) | A kind of lighting device, vehicle laser headlight and automobile | |
| US9175830B2 (en) | Method for producing high-luminance monochromatic light based on optical wavelength conversion and light source | |
| CN104808426A (en) | Projection display light source | |
| CN107479311A (en) | Light-source system and projector equipment | |
| CN102289140A (en) | Illuminating device and image display apparatus | |
| CN107479310B (en) | Wavelength conversion device and projection light source | |
| CN102662301A (en) | Light source system and related projection system | |
| CN206594438U (en) | Color wheel device, light-source system and projector equipment | |
| CN104330947B (en) | LASER Light Source and projection arrangement | |
| CN108646510A (en) | A kind of compact projection light source | |
| TWI720144B (en) | Light source apparatus | |
| CN104345535B (en) | LASER Light Source and projection arrangement | |
| CN208270925U (en) | A kind of compact projection light source |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518055 Shenzhen, Shenzhen, Guangdong 1089 Nanshan District road 1089, Shenzhen integrated circuit design application Industrial Park, 4 floor. Patentee after: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. Address before: 518055 Shenzhen, Shenzhen, Guangdong 1089 Nanshan District road 1089, Shenzhen integrated circuit design application Industrial Park, 4 floor. Patentee before: APPOTRONICS Corp.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518058 20-22 Floor, United Headquarters Building, No. 63 Xuefu Road, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: APPOTRONICS Corp.,Ltd. Address before: 518055 Shenzhen, Shenzhen, Guangdong 1089 Nanshan District road 1089, Shenzhen integrated circuit design application Industrial Park, 4 floor. Patentee before: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. |