CN108826122A - A kind of starry sky projector - Google Patents

A kind of starry sky projector Download PDF

Info

Publication number
CN108826122A
CN108826122A CN201810879129.2A CN201810879129A CN108826122A CN 108826122 A CN108826122 A CN 108826122A CN 201810879129 A CN201810879129 A CN 201810879129A CN 108826122 A CN108826122 A CN 108826122A
Authority
CN
China
Prior art keywords
light source
light
diaphragm
hole
polychromatic
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.)
Granted
Application number
CN201810879129.2A
Other languages
Chinese (zh)
Other versions
CN108826122B (en
Inventor
苏运清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanhai District Of Foshan City Cilong Electrical Appliance Co Ltd
Original Assignee
Nanhai District Of Foshan City Cilong Electrical Appliance Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanhai District Of Foshan City Cilong Electrical Appliance Co Ltd filed Critical Nanhai District Of Foshan City Cilong Electrical Appliance Co Ltd
Priority to CN201810879129.2A priority Critical patent/CN108826122B/en
Publication of CN108826122A publication Critical patent/CN108826122A/en
Priority to PCT/CN2019/077063 priority patent/WO2019192280A1/en
Application granted granted Critical
Publication of CN108826122B publication Critical patent/CN108826122B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • 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
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Abstract

The invention discloses a kind of starry sky projectors, including the polychromatic light source array set gradually along optical path, first diaphragm, second diaphragm, collimation lens and reflection mirror array, it further include for installing polychromatic light source array, the bracket of first diaphragm and the second diaphragm, polychromatic light source array includes the light source that at least two gaps arrange and color is different, first diaphragm is equipped with the first light hole for corresponding and being less than the light-emitting surface of corresponding light source with the light source in polychromatic light source array, second diaphragm is equipped with and one-to-one second light hole of the first light hole, the minimum incidence angle of light source projects to corresponding first light hole of adjacent light source is greater than corresponding second light hole of first light hole to the half of the collection angle of light.The star space projection effect of multiple color not only may be implemented in the present invention, meets more projection demands, and can reduce the size of hot spot, is projected out more stars, shields the stray light being emitted from the first light hole well, improve star space projection effect.

Description

A kind of starry sky projector
Technical field
The present invention relates to lighting technical fields, and in particular to a kind of starry sky projector.
Background technique
Starry sky projector is a kind of decoration that the patterns such as billions of stars or snowflake are projected out on wall, ceiling, lawn Lighting device, with such as KTV box, outdoor is as that can play construction atmosphere, decorate landscape on garden, lawn, plant indoors Effect has very extensive application in life.
Starry sky projector currently on the market is all using laser diode as light source, but laser diode is nearly all RGB monochrome, it can not be effectively synthesized white, thus be difficult to form the pattern of white.In addition, current starry sky projector is logical It is often monochromatic projection lamp, multiple projection lamps is needed just to be able to achieve color effect, it is inconvenient to use, and existing star space projection lamp body Larger, the higher cost of product, is not able to satisfy practical application needs.In addition the star quantity that existing starry sky projector is projected out has Limit, influences star space projection effect.
Summary of the invention
The present invention aiming at the problems existing in the prior art, provide it is a kind of it is small in size, structure is simple and there is polychrome to throw The starry sky projector of shadow effect.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of starry sky projector, including successively along optical path The polychromatic light source array of setting, the first diaphragm, the second diaphragm, collimation lens and reflection mirror array further include described for installing The bracket of polychromatic light source array, the first diaphragm and the second diaphragm, the polychromatic light source array include at least two gaps arrangement and The different light source of color, first diaphragm, which is equipped with, to be corresponded with the light source in the polychromatic light source array and is less than corresponding First light hole of the light-emitting surface of light source, second diaphragm are equipped with and one-to-one second light passing of first light hole Hole, the minimum incidence angles of the light source projects to corresponding first light hole of adjacent light source are greater than first light hole corresponding the Half of two light holes to the collection angle of light.
Further, the polychromatic light source array includes four kinds of different light sources of color, and the light source is LED light source or swashs Radiant.
Further, light non-transmittable layers are equipped between the two neighboring light source.
Further, it is coaxially disposed between the light source and corresponding first light hole and the second light hole.
Further, second light hole is less than collection of corresponding first light hole to light to the collection angle of light Angle.
Further, the groove being adapted to the polychromatic light source array is respectively equipped on the bracket and with described The first step of one diaphragm adaptation and the second step being adapted to the second diaphragm, the polychromatic light source array are limited in the groove Interior, first diaphragm is installed on first step, and second diaphragm is installed on second step.
Further, the distance between first diaphragm and the polychromatic light source array are 0.2~1mm.
Further, the thickness of first diaphragm is less than 0.5mm, and first diaphragm and the second diaphragm are all made of impermeable Luminescent material is made.
It further, further include the beam splitting unit being located in front of the collimation lens along optical path, the beam splitting unit is by more A reflecting mirror composition, and the reflecting surface of any two reflecting mirror is non-coplanar.
Further, the reflection mirror array includes multiple small reflectors, and the multiple small reflector forms a song Face reflecting surface.
The present invention provides a kind of starry sky projector, including set gradually along optical path polychromatic light source array, the first diaphragm, Second diaphragm, collimation lens and reflection mirror array further include for installing the polychromatic light source array, the first diaphragm and the second light The bracket of door screen, the polychromatic light source array include at least two gaps arrangement and the different light source of color, on first diaphragm The first light hole equipped with the light-emitting surface for corresponding and being less than corresponding light source with the light source in the polychromatic light source array, it is described Second diaphragm is equipped with to be corresponded to one-to-one second light hole of first light hole, the light source projects to adjacent light source The minimum incidence angle of the first light hole be greater than corresponding second light hole of first light hole to the one of the collection angle of light Half.By the way that the different light source of multiple colors is arranged in polychromatic light source array, so as to realize the star space projection of multiple color Effect meets more projection demands, while the first diaphragm is arranged, and size is arranged on the first diaphragm and is less than corresponding light source First light hole of light-emitting surface, to be projected out more stars, improves drop shadow effect to reduce the size of hot spot；Second Second light hole is set on diaphragm, and make light source projects to corresponding first light hole of adjacent light source incidence angle be greater than this first Corresponding second light hole of light hole goes out the half of the collection angle of light to shield well from the first light hole The stray light penetrated, further improves star space projection effect, and starry sky projector of the present invention realizes the effect of polychrome projection, and at This is very low, improves widely applicable property.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of starry sky projector in a specific embodiment of the invention；
Fig. 2 is the operation schematic diagram of light source and the first, second diaphragm in a specific embodiment；
Fig. 3 is the structural schematic diagram of light source in a specific embodiment of the invention；
Fig. 4 is the structural schematic diagram of bracket in a specific embodiment of the invention.
As shown in the figure：10, polychromatic light source array；110, light source；120, light non-transmittable layers；20, the first diaphragm；210, first is logical Unthreaded hole；30, the second diaphragm；310, the second light hole；40, beam splitting unit；410, reflecting mirror；50, collimation lens；60, reflecting mirror Array；610, small reflector；70, bracket；710, groove；720, first step；730, second step；80, driving mechanism.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing：
As shown in Figure 1, the present invention provides a kind of starry sky projector, including the polychromatic light source array set gradually along optical path 10, the first diaphragm 20, the second diaphragm 30, collimation lens 50 and reflection mirror array 60, further include for installing the polychromatic source The bracket 70 of array 10, the first diaphragm 20 and the second diaphragm 30, the polychromatic light source array 10 include multiple gap arrangements and face The different light source 110 of color, first diaphragm 20 be equipped with in the polychromatic light source array 10 light source 110 correspond and Less than the first light hole 210 of the light-emitting surface of corresponding light source 110, second diaphragm 30 is equipped with and first light hole 210 one-to-one second light holes 310, the light source 110 project corresponding first light hole 210 of adjacent light source 110 Incidence angle is greater than corresponding second light hole 310 of the first light hole 210 to the half of the collection angle of light.Specifically, logical It crosses and the different light source 110 of multiple colors is set in polychromatic light source array 10, so as to realize the star space projection of multiple color Effect meets higher projection demand, while the first diaphragm 20 is arranged, and size is arranged on the first diaphragm 20 and is less than corresponding light First light hole 210 of the light-emitting surface in source 110, to be projected out more stars, improves projection effect to reduce the size of hot spot Fruit；Second light hole 310 is set on the second diaphragm 30, and light source 110 is made to project corresponding first light passing of adjacent light source 110 The minimum incident angle α in hole 210 is greater than corresponding second light hole 310 of the first light hole 210 to the one of the collection angle β of light Half, as shown in Fig. 2, further improving starry sky throwing to shield the stray light being emitted from the first light hole 210 well Shadow effect.
As shown in figure 3, the polychromatic light source array 10 includes the different light source 110 of four kinds of colors, the light source 110 is LED light source or laser light source.Specifically, the color of the different light source 110 of four kinds of colors is red, green, blue and white respectively Color, wherein white light source uses LED chip, and red, green, blue-light source can be laser diode or LED chip.Four kinds are not The arrangement of light source 110 with color forms rectangle or diamond shape or other shapes, is fixed on mounting plate, and two neighboring light source 110 Between be equipped with light non-transmittable layers 120, thus avoid a light source 110 issue light projected on another light source 110 from side, shape At veiling glare, influence drop shadow effect, which can be made of diffuse-reflective material, such as using aluminium sheet or silica and The mixture of the mixture or titanium oxide of silica gel and the mixture or silicon carbide of silica gel and silica gel, naturally it is also possible to use other tools The material or light absorbent for having higher reflectivity are made.
Preferably, it is coaxially disposed between the light source 110 and corresponding first light hole 210 and the second light hole 310. Preferably, second light hole 310 is less than corresponding first light hole 210 to the collection angle of light to the collection angle of light Degree.Specifically, light source 110, the first light hole 210 and the second light hole 310 are coaxially disposed, to facilitate the first light passing of design The size of hole 210 and the second light hole 310 and control polychromatic light source array 10, the first diaphragm 20 and the second diaphragm 30 it is opposite Position is also convenient for realizing collection angle of second light hole 310 to the collection angle of light less than the first light hole 210 to light Degree.It, can when collection angle of second light hole 310 to light is less than collection angle of corresponding first light hole 210 to light Preferably to shield the veiling glare of the generation of adjacent light source 110, i.e., it can not only shield that be projected directly at first from adjacent light source 110 logical The veiling glare of unthreaded hole 210 can also shield the veiling glare that the second light hole 310 is projected from adjacent first light hole 210.It needs to illustrate , the light that the first light hole 210 issues collection angle, that is, light source 110 of light projects 210 shapes of the first light hole At maximum angle, the second light hole 310 is opposite to the collection angle i.e. effective aperture of the second light hole 310 of light first logical The subtended angle of unthreaded hole 210.
As shown in figure 4, be respectively equipped on the bracket 70 groove 710 being adapted to the polychromatic light source array 10 and The first step 720 being adapted to first diaphragm 20 and the second step 730 being adapted to the second diaphragm 30, the polychromatic source Array 10 is limited in the groove 710, and first diaphragm 20 is installed on first step 720, and second diaphragm 30 is pacified Loaded on second step 730.By the way that groove 710, first step 720 and third step 730 are arranged on bracket 70, respectively to more The position of color light source array 10, the first diaphragm 20 and the second diaphragm 30 is defined, it is avoided to relatively move, and influences to project Effect, while by first step 720 and second step 720 convenient for control polychromatic light source array 10, the first diaphragm 20 and second Gap between 30 three of diaphragm, it is preferred that the distance between the first diaphragm 20 and the polychromatic light source array 10 be 0.2~ The thickness of 1mm, first diaphragm 20 are less than 0.5mm, and since 110 surface temperature of light source is very high, the first diaphragm 20 cannot It is directly sticked on light source 110, is otherwise easy impaired, influence service life, certain diaphragm 20 can not at a distance from light source 110 It is too big, in order to avoid the brightness of hot spot is influenced, and the final brightness for influencing star.The thickness control of first diaphragm 20 in 0.5mm, When avoiding its thickness larger, it can be absorbed into the light in the first light hole 210 by inner wall, influence hot spot brightness.
Preferably, first diaphragm 20 and the second diaphragm 30 are all made of light-proof material and are made.Specifically, the first diaphragm 20 and second diaphragm 30 can using plating black layer metal material be made, light or reflection light can be absorbed, while needing to protect Demonstrate,prove surface smoothness.
Preferably, which further includes the beam splitting unit 40 for being located at 50 front of collimation lens along optical path, institute It states beam splitting unit 40 to be made of multiple reflecting mirrors 410, and the reflecting surface of any two reflecting mirror 410 is non-coplanar.In this way, different face For the light beam of color after the reflection of beam splitting unit 40, every Shu Guang is divided into the different multiple beamlets of propagation angle, different sub-lights The beam cross section of beam may be the same or different, since reflecting mirror 410 will not change the divergent state of light beam, so every beam Beamlet is still divergent beams.Beam splitting unit 40 can also select other optical elements, example in addition to selecting reflecting mirror 410 Light beam is divided into the different light of several beam propagation angles as long as being able to achieve by such as prism.In the present embodiment, beam splitting unit The quantity of 40 beamlets formed is more than 2 beams or 2 beams.
Preferably, second light hole 310 forms the collection angle and beam splitting unit 40 and collimation lens 50 of light Optical system ray-collecting angle it is identical.Specifically, 310 permission beam splitting units 40 of the second light hole and collimation lens 50 Light in the ray-collecting angle of the optical system of composition passes through, by all light can be collimated lens 50 collimate after Project on reflection mirror array 60 and be emitted and form starlight drop shadow effect, greater than the collection angle light by the second diaphragm 30 It absorbs or reflects, in order to avoid generating veiling glare, influence illuminating effect.
In the present invention, beamlet of the different light beam of multiple color after beam splitting unit 40 through the same collimation lens 50 into Row collimation, and multiple parallel beamlets after collimation are finally incident on reflection mirror array 60, form countless colors multiplicity Projection pattern.Certain different colored light sources 110 can be opened in turn or be opened simultaneously, to form more projection effects Fruit meets the needs of different.In the present embodiment, the reflection mirror array 60 includes multiple small reflectors 610, it is preferred that Each small reflector 610 is rectangular, and side length is 1-10mm, and the quantity of small reflector 610 is at 40 or more, due to each small anti- Penetrating mirror 610 all can project the pattern in pattern segments to form a picture, in order to obtain projection image as much as possible, small reflector 610 quantity is The more the better.The multiple small reflector 610 can be regularly arranged, can also be with disordered arrangements, all small reflectors 610 reflecting surface forms a common reflecting surface, which is preferably curved surface, and the curved surface can be concave surface, can also be with It is convex surface, is dispersed by the pattern that at curved surface, all small reflectors 610 can be made to project away small reflector array arrangement It opens, the curvature of Control curve can control the size of pattern dispersion range.Such as a large stretch of reflecting mirror can be cut into 4mm's Then small reflector array pastes on a curved surface member, can so form camber reflection lens array.If beam splitting unit Light beam is divided into M beamlet by 40, while when each beamlet is incident on reflection mirror array 60, and covers reflecting mirror N number of small reflector unit in array 60, light beam each in this way may finally be projected out M*N pattern image, and pattern is projecting It scatter each other on face, forms the illuminating effect of babysbreath.In this way, the beam splitting by beam splitting unit 40 acts on, can reflect In the case where the small reflector limited amount that lens array 60 is included, greatly increase the quantity of projection pattern.
Preferably, which further includes the driving mechanism 80 connecting with the reflection mirror array 60, the drive Motivation structure 80 drives the reflection mirror array 60 to rotate, to change the exit direction of light, to form dynamic projection effect.
In conclusion starry sky projector provided by the invention, including set gradually along optical path polychromatic light source array 10, One diaphragm 20, the second diaphragm 30, collimation lens 50 and reflection mirror array 60, further include for installing the polychromatic light source array 10, the bracket 70 of the first diaphragm 20 and the second diaphragm 30, the polychromatic light source array 10 include multiple gap arrangements and color not Same light source 110, first diaphragm 20, which is equipped with, to be corresponded and is less than with the light source 110 in the polychromatic light source array 10 First light hole 210 of the light-emitting surface of corresponding light source 110, second diaphragm 30 are equipped with and first light hole 210 1 One corresponding second light hole 310, the minimum that the light source 110 projects corresponding first light hole 210 of adjacent light source 110 enter Firing angle is greater than corresponding second light hole 310 of the first light hole 210 to the half of the collection angle of light.By in polychromatic light Multiple colors different light source 110 is set in source array 10, so as to realize the star space projection effect of multiple color, is met more More projection demands, while the first diaphragm 20 is set, and size is arranged on the first diaphragm 20 and is less than shining for corresponding light source 110 First light hole 210 in face, to be projected out more stars, improves drop shadow effect to reduce the size of hot spot；In the second light Second light hole 310 is set on door screen 30, and light source 110 is made to project the incidence of corresponding first light hole 210 of adjacent light source 110 Angle is greater than corresponding second light hole 310 of the first light hole 210 to the half of the collection angle of light, to shield well The stray light being emitted from the first light hole 210, further improves star space projection effect, and starry sky projector of the present invention is realized The drop shadow effect of multiple color, and cost is very low, improve widely applicable property.
Although embodiments of the present invention are illustrated in specification, these embodiments are intended only as prompting, It should not limit protection scope of the present invention.It is equal that various omission, substitution, and alteration are carried out without departing from the spirit and scope of the present invention It should be included within the scope of the present invention.

Claims (10)

1. a kind of starry sky projector, which is characterized in that including polychromatic light source array, the first diaphragm, set gradually along optical path Two diaphragms, collimation lens and reflection mirror array further include for installing the polychromatic light source array, the first diaphragm and the second diaphragm Bracket, the polychromatic light source array includes at least two gaps arrangement and the different light source of color, is set on first diaphragm There is the first light hole of the light-emitting surface for corresponding and being less than corresponding light source with the light source in the polychromatic light source array, described the Two diaphragms be equipped with one-to-one second light hole of first light hole, the light source projects are corresponding to adjacent light source The minimum incidence angle of first light hole is greater than corresponding second light hole of first light hole to the half of the collection angle of light.
2. starry sky projector according to claim 1, which is characterized in that the polychromatic light source array include four kinds of colors not Same light source, the light source are LED light source or laser light source.
3. starry sky projector according to claim 1, which is characterized in that be equipped between the two neighboring light source opaque Layer.
4. starry sky projector according to claim 1, which is characterized in that the light source and corresponding first light hole and It is coaxially disposed between second light hole.
5. starry sky projector according to claim 1, which is characterized in that collection angle of second light hole to light Less than corresponding first light hole to the collection angle of light.
6. starry sky projector according to claim 1, which is characterized in that be respectively equipped on the bracket and the polychromatic light The groove of source array adaptation and the first step being adapted to first diaphragm and the second step being adapted to the second diaphragm, The polychromatic light source array is limited in the groove, and first diaphragm is installed on first step, the second diaphragm peace Loaded on second step.
7. starry sky projector according to claim 1, which is characterized in that first diaphragm and the polychromatic light source array The distance between be 0.2~1mm.
8. starry sky projector according to claim 1, which is characterized in that the thickness of first diaphragm is less than 0.5mm, institute It states the first diaphragm and the second diaphragm is all made of light-proof material and is made.
9. starry sky projector according to claim 1, which is characterized in that further include before being located at the collimation lens along optical path The beam splitting unit of side, the beam splitting unit is made of multiple reflecting mirrors, and the reflecting surface of any two reflecting mirror is non-coplanar.
10. starry sky projector according to claim 1, which is characterized in that the reflection mirror array includes multiple small anti- Mirror is penetrated, the multiple small reflector forms a curved-surface reflection side.
CN201810879129.2A 2018-04-02 2018-08-03 Starry sky projection lamp Active CN108826122B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201810879129.2A CN108826122B (en) 2018-08-03 2018-08-03 Starry sky projection lamp
PCT/CN2019/077063 WO2019192280A1 (en) 2018-04-02 2019-03-05 Night projection lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810879129.2A CN108826122B (en) 2018-08-03 2018-08-03 Starry sky projection lamp

Publications (2)

Publication Number Publication Date
CN108826122A true CN108826122A (en) 2018-11-16
CN108826122B CN108826122B (en) 2019-12-17

Family

ID=64153492

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810879129.2A Active CN108826122B (en) 2018-04-02 2018-08-03 Starry sky projection lamp

Country Status (1)

Country Link
CN (1) CN108826122B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019192280A1 (en) * 2018-04-02 2019-10-10 超视界激光科技（苏州）有限公司 Night projection lamp
CN110806672A (en) * 2020-01-07 2020-02-18 南昌欧菲生物识别技术有限公司 Projection module, recognition device and mobile terminal
CN113494690A (en) * 2020-04-02 2021-10-12 中国科学院深圳先进技术研究院 Illuminator, imaging system and imaging system control method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2952952A1 (en) * 2014-06-05 2015-12-09 Hejtec GmbH Device for production of an artificial starry sky
CN106813192A (en) * 2016-11-30 2017-06-09 佛山市兴华源机械设备有限公司 A kind of starry sky projector
CN207438455U (en) * 2017-11-17 2018-06-01 深圳市龙侨华实业有限公司 A kind of projecting lamp for simulating sky effect
CN208546844U (en) * 2018-08-03 2019-02-26 佛山市南海区协隆电器有限公司 A kind of starry sky projector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2952952A1 (en) * 2014-06-05 2015-12-09 Hejtec GmbH Device for production of an artificial starry sky
CN106813192A (en) * 2016-11-30 2017-06-09 佛山市兴华源机械设备有限公司 A kind of starry sky projector
CN207438455U (en) * 2017-11-17 2018-06-01 深圳市龙侨华实业有限公司 A kind of projecting lamp for simulating sky effect
CN208546844U (en) * 2018-08-03 2019-02-26 佛山市南海区协隆电器有限公司 A kind of starry sky projector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019192280A1 (en) * 2018-04-02 2019-10-10 超视界激光科技（苏州）有限公司 Night projection lamp
CN110806672A (en) * 2020-01-07 2020-02-18 南昌欧菲生物识别技术有限公司 Projection module, recognition device and mobile terminal
CN113494690A (en) * 2020-04-02 2021-10-12 中国科学院深圳先进技术研究院 Illuminator, imaging system and imaging system control method

Also Published As

Publication number Publication date
CN108826122B (en) 2019-12-17

Similar Documents

Publication Publication Date Title
US10359169B2 (en) Lamp unit and vehicle headlamp
US7652300B2 (en) Apparatus for forming an asymmetric illumination beam pattern
US7182480B2 (en) System and method for manipulating illumination created by an array of light emitting devices
CN101688646B (en) Led-based luminaire with adjustable beam shape
EP3331010B1 (en) Vehicle headlight system
RU2562041C2 (en) Light-emitting device and lighting fitting
CN208546844U (en) A kind of starry sky projector
JP6247451B2 (en) Light module
US20100124064A1 (en) Lighting device including translucent cover for diffusing light from light source
JP2010528444A (en) Lighting system, lighting fixture and backlighting unit
US10591130B2 (en) Light-beam-projecting device comprising a digital screen and headlamp equipped with such a device
CN108826122A (en) A kind of starry sky projector
JP7274476B2 (en) Lighting device with spatially controllable reflector elements
RU2539976C2 (en) Lighting device with several light sources and one reflecting system and reflector unit
US7213949B2 (en) Four segment reflector
JP2008078015A (en) Luminaire
CN108613048A (en) Starry sky projector
US20090122546A1 (en) Movable Lighting System Providing Adjustable Illumination Zone
US8523403B2 (en) LED white light luminaire with imaging capability
CN208295642U (en) A kind of LED starry sky projector
JP5042173B2 (en) Energy saving lamp shade with uniform light distribution
JP2013521606A (en) Lighting equipment and louvers
CN208546845U (en) LED starry sky projector
CN109737331A (en) A kind of lamps and lanterns
TW202018228A (en) Light source module

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
GR01 Patent grant
GR01 Patent grant