CN203868944U - Optical lens with stripes - Google Patents
Optical lens with stripes Download PDFInfo
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- CN203868944U CN203868944U CN201420269111.8U CN201420269111U CN203868944U CN 203868944 U CN203868944 U CN 203868944U CN 201420269111 U CN201420269111 U CN 201420269111U CN 203868944 U CN203868944 U CN 203868944U
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- optical lens
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- striped
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Abstract
The utility model provides an optical lens with stripes. The optical lens is provided with a long-strip-shaped body, the body of the optical lens is provided with a first reflection face, a second reflection face and a light emitting face, the body of the optical lens is provided with a light input groove containing a light source, the light input groove is of a long strip shape, a part of light is reflected by the first reflection face and the second reflection face and then emitted through the light emitting face, and the incident surface of the light input groove at least comprises one or more of a planar stripe face, a convex stripe face and a concave stripe face. The optical lens is simple in structure, can improve the illumination effect, reduces light spots or glare, and makes illumination uniform.
Description
Technical field
The utility model relates to the streaky optical lens of a kind of tool.
Background technology
Because LED light fixture has the features such as energy-conservation, light efficiency is high, rich color, life-span are long, be subject in recent years extensive high praise.But in some special application scenarios, the bright dipping of environmental requirement LED is special light beam, such as some needs focused beam, for obtaining such focused beam, general manufacturing process is that the light-emitting window for each LED lamp pearl configures custom-designed prefocus cup.A prefocus cup of each lamp pearl configuration, causes the structure of LED light fixture also relatively complicated.
Utility model content
In order to make when thering is good optical effect, LED fitting structure is more simple, the utility model provides a kind of tool streaky optical lens, and described optical lens has the main body of strip, and the main body of described optical lens has the first reflecting surface, the second reflecting surface and exit facet; The main body of described optical lens is provided with the light input slot that holds light source, and described smooth input slot is strip, and part light is reflected by described the first reflecting surface reflection and described the second reflecting surface, then penetrates by described exit facet; The incidence surface of described smooth input slot at least comprises one or several of flat stripe surface, stria face, recessed stripe surface.
As preferably, the incidence surface of described smooth input slot comprises forward entrance face, the first side direction plane of incidence and the second side direction plane of incidence; Wherein, part light is reflected by described the first reflecting surface after entering the described first side direction plane of incidence, then penetrates by described exit facet; Part light is reflected by described the second reflecting surface after entering the described second side direction plane of incidence, then penetrates by described exit facet; Part light penetrates towards described exit facet via described forward entrance.
As preferably, the focus that described the first reflecting surface and the described first side direction plane of incidence form is the first focus, the focus that described the second reflecting surface and the described second side direction plane of incidence form is the second focus, the focus that described forward entrance face and described exit facet form is the 3rd focus, and the first focus, the second focus and the 3rd focus distance are between any two less than or equal to 50mm.
As preferably, on optical axis, the nearest point of described forward entrance face distance light source on optical axis is the first near point, and the distance between described the first focus, described the second focus and described the 3rd focus and described the first anomalistic distance is all between 5～120mm.
As preferably, the length of described optical lens is more than or equal to 120mm, and the beeline between the described first side direction plane of incidence and the described second side direction plane of incidence is between 5～120mm.
As preferably, described striped is some or all of is distributed in described forward entrance face, or is distributed in the described first side direction plane of incidence, or is distributed in the described second side direction plane of incidence.
As preferably, the described first side direction plane of incidence and the described second side direction plane of incidence, wherein one or two be flat stripe surface and and optical axis angle between-60 °～+ 60 °.
As preferably, described forward entrance face is flat stripe surface, and the angle of horizontal plane is between 0 °～60 °.
As preferably, the degree of depth of described striped is between 0.1～10mm, and described striped extends along its length.
As preferably, described flat stripe surface is that integral body belongs to plane, and plane is provided with striped; Described stria face is that integral body belongs to convex surface, is provided with striped on convex surface; Described recessed stripe surface is that integral body belongs to concave surface, is provided with striped on concave surface.
As preferably, described exit facet is Fresnel optical lens face.
The streaky optical lens of tool of the present utility model is applied to LED light fixture, optical lens arranges light input slot strip, that hold LED light source, like this, a plurality of LED light sources can share an optical lens, when light continuation reallocation is reached to the optical effect of expectation, avoid the loss of light, be conducive to simplify assembling; Meanwhile, the incidence surface of light input slot at least comprises one or several of flat stripe surface, stria face, recessed stripe surface, can improve illuminating effect, reduces hot spot or dazzle, makes illumination evenly.
Accompanying drawing explanation
Fig. 1 is the relevant schematic diagram of the streaky optical lens of tool of the utility model the first embodiment, wherein, Fig. 1 (a) is the stereogram of the streaky optical lens of tool, the schematic diagram of the cross section of the streaky optical lens of tool that Fig. 1 (b) is, Fig. 1 (c) is the stereogram of another angle of the streaky optical lens of tool.
Fig. 2 is the relevant schematic diagram of the streaky optical lens of tool of the utility model the second embodiment, and wherein, Fig. 2 (a) is the stereogram of the streaky optical lens of tool, the schematic diagram of the cross section of the streaky optical lens of tool that Fig. 2 (b) is.
Fig. 3 is the relevant schematic diagram of the streaky optical lens of tool of the utility model the 3rd embodiment, and wherein, Fig. 3 (a) is the stereogram of the streaky optical lens of tool, the schematic diagram of the cross section of the streaky optical lens of tool that Fig. 3 (b) is.
Fig. 4 is the relevant schematic diagram of the streaky optical lens of tool of the utility model the 4th embodiment, and wherein, Fig. 4 (a) is the stereogram of the streaky optical lens of tool, the schematic diagram of the cross section of the streaky optical lens of tool that Fig. 4 (b) is.
Fig. 5 is the relevant schematic diagram of the streaky optical lens of tool of the utility model the 5th embodiment, and wherein, Fig. 5 (a) is the stereogram of the streaky optical lens of tool, the schematic diagram of the cross section of the streaky optical lens of tool that Fig. 5 (b) is.
Fig. 6 is the relevant schematic diagram of the streaky optical lens of tool of the utility model the 6th embodiment, and wherein, Fig. 6 (a) is the stereogram of the streaky optical lens of tool, the schematic diagram of the cross section of the streaky optical lens of tool that Fig. 6 (b) is.
Fig. 7 is the relevant schematic diagram of the streaky optical lens of tool of the utility model the 7th embodiment, and wherein, Fig. 7 (a) is the stereogram of the streaky optical lens of tool, the schematic diagram of the cross section of the streaky optical lens of tool that Fig. 7 (b) is.
Fig. 8 is the relevant schematic diagram of the streaky optical lens of tool of the utility model the 7th embodiment, and wherein, Fig. 8 (a) is the stereogram of the streaky optical lens of tool, the schematic diagram of the cross section of the streaky optical lens of tool that Fig. 8 (b) is.
Fig. 9 is the relevant schematic diagram of the streaky optical lens of tool of the utility model the 9th embodiment, and wherein, Fig. 9 (a) is the stereogram of the streaky optical lens of tool, the schematic diagram of the cross section of the streaky optical lens of tool that Fig. 9 (b) is.
Figure 10 (a) to Figure 10 (e) be the schematic diagram of the striped of each embodiment of the utility model.
Drawing reference numeral explanation
Exit facet 31a, 31b, 31c, 31d, 31e, 31f, 31g, 31h, 31i;
The first reflecting surface 32; The second reflecting surface 33;
Forward entrance face 34a, 34b, 34c, 34d, 34e, 34f, 34g, 34h, 34i;
The first side direction plane of incidence 35a, 35b, 35c, 35d, 35e, 35f, 35g, 35h, 35i;
The second side direction plane of incidence 36a, 36b, 36c, 36d, 36e, 36f, 36g, 36h, 36i;
The first focus A; The second focus B; The 3rd focus C; The first near point O.
The specific embodiment
Below in conjunction with specific embodiment, set forth the structure of optical lens of the present utility model.Below among each embodiment, the noun of locality used " on ", D score, " in " be all to take the orientation shown in Fig. 1 drawing as benchmark, therefore, during the placing direction change of the object among other drawings, orientation is corresponding changing also; " recessed ", " protruding ", at following each embodiment, have different references.
Embodiment 1
Please refer to Fig. 1 (a) to shown in Fig. 1 (c), optical lens is plastic material, is strip, and the main body bearing of trend of optical lens is defined as length direction (longitudinal, X-axis), and the length L of optical lens is more than or equal to 120mm.The bottom of optical lens is arranged with light input slot, and light input slot also extends along longitudinally, and light input slot is used for placing LED light source.
Please refer to shown in Fig. 1 (b), from the cross section perpendicular to length direction, optical lens has the exit facet 31a being positioned at above, and exit facet 31a is the Fresnel optical lens face with convex lens effect; Optical lens also has that to be positioned at the first reflecting surface 32 of both sides and the second reflecting surface 33, the first reflectings surface 32 and the second reflecting surface 33 be parabola.
The incidence surface of light input slot is divided into three parts, is respectively forward entrance face 34a, with corresponding the first side direction plane of incidence 35a of the first reflecting surface 32, with corresponding the second side direction plane of incidence 36a of the second reflecting surface 33.Forward entrance face 34a is a plane, and the first side direction plane of incidence 35a and the second side direction plane of incidence 36a are flat stripe surface.Flat stripe surface is that integral body is still a plane, is provided with in the plane trickle striped, and striped extends longitudinally, and the degree of depth of striped is between 0.1mm～10mm.
The focus that defines the first reflecting surface 32 and the first side direction plane of incidence 35a formation is the first focus A, and the focus that definition the second reflecting surface 33 and the second side direction plane of incidence 36a form is the second focus B; The focus that definition forward entrance face 34a and exit facet 31a form is the 3rd focus C; Defining a rectangular coordinate system XYZ, is optical axis through the 3rd focus C and the virtual straight line parallel with Z axis.
From cross section, the beeline W of the first side direction plane of incidence 35a and the second side direction plane of incidence 36a is between 5～120mm.
Please refer to shown in Fig. 1 (b) and Fig. 1 (c), the first focus A, the second focus B and the 3rd focus C distance are between any two less than or equal to 50mm.The scope definition that the first focus A, the second focus B and the 3rd focus C form is burnt post, and LED light source is arranged at the ejaculation that is beneficial to light within the scope of burnt post.Like this, part light is reflected by the first reflecting surface 32 after entering the first side direction plane of incidence 35a, then penetrates by exit facet 31a; Part light is reflected by the second reflecting surface 33 after entering the second side direction plane of incidence 36a, then penetrates by exit facet 31a; Part light penetrates to exit facet 31a via forward entrance face 34a.Among following other embodiment, the first focus A, the second focus B and the 3rd focus C have omitted sign on drawing, have also omitted the stereogram with the optical lens of burnt post.
The first reflecting surface 32 and the second reflecting surface 33 can be symmetrical arranged, and also can asymmetricly arrange.Among the present embodiment, the first reflecting surface 32 and the second reflecting surface 33 are symmetrical arranged, and the first reflecting surface 32 and the second reflecting surface 33 are same parabolical part.Please refer to shown in Fig. 1 (b), on optical axis, the nearest point of described forward entrance face 34a distance L ED light source is the first near point O, and the distance H between the first focus A, the second focus B, the 3rd focus C and the first near point O distance is all between 5～120mm.The angle γ of the horizontal plane of forward entrance face 34a and X-axis and Y-axis definition is between 0 °～60 °, the angle α of the first side direction plane of incidence 35a and optical axis is between-60 °～+ 60 °, and the angle β of the second side direction plane of incidence 36a and optical axis is between-60 °～+ 60 °.
Embodiment 2
Please refer to shown in Fig. 2 (a) and Fig. 2 (b), be different from the first embodiment and be: the exit facet 31b of (1) optical lens is the Fresnel optical lens face with concavees lens effect; (2) forward entrance face 34b is stria face, and integral body is the convex surface protruding to light source input slot, is provided with trickle striped on convex surface.
Embodiment 3
Please refer to shown in Fig. 3 (a) and Fig. 3 (b), be different from the second embodiment and be: the exit facet 31c of (1) optical lens is plane; (2) forward entrance face 34c is recessed stripe surface, and integral body is to the recessed concave surface of light input slot, is provided with trickle striped on concave surface.
Embodiment 4
Please refer to shown in Fig. 4 (a) and Fig. 4 (b), being different from the first embodiment is: the exit facet 31d of (1) optical lens is two side planes, centre is convex surface, among the present embodiment, the focus that in the middle of forward entrance face 34d and exit facet 31d, outstanding part forms is the 3rd focus C; (2) second side direction plane of incidence 36d are recessed stripe surface, and integral body is to the recessed concave surface of optical axis, is provided with trickle striped on concave surface.
Embodiment 5
Please refer to shown in Fig. 5 (a) and Fig. 5 (b), be different from the 3rd embodiment and be: (1) forward entrance face 34e is stria face, integral body is the convex surface protruding to light input slot, is provided with trickle striped on convex surface; (2) second side direction plane of incidence 36e are recessed stripe surface, and integral body is to the recessed concave surface of optical axis, is provided with trickle striped on concave surface.
Embodiment 6
Please refer to shown in Fig. 6 (a) and Fig. 6 (b), be different from the 5th embodiment and be: forward entrance face 34f is recessed stripe surface, integral body is to the recessed concave surface of light input slot, is provided with trickle striped on concave surface.
Embodiment 7
Please refer to shown in Fig. 7 (a) and Fig. 7 (b), be different from the 4th embodiment and be: (1) forward entrance face 34g is flat stripe surface, integral body is plane, is provided with trickle striped in plane; (2) second side direction plane of incidence 36g are stria face, and integral body is the convex surface protruding to optical axis, is provided with trickle striped on convex surface.
Embodiment 8
Please refer to shown in Fig. 8 (a) and Fig. 8 (b), be different from the 3rd embodiment and be: (1) forward entrance face 34h is stria face, integral body is the convex surface protruding to light input slot, is provided with trickle striped on convex surface; (2) second side direction plane of incidence 36h are stria face, and integral body is the convex surface protruding to optical axis, is provided with trickle striped on convex surface.
Embodiment 9
Please refer to shown in Fig. 9 (a) and Fig. 9 (b), be different from the 8th embodiment and be: forward entrance face 34i is recessed stripe surface, integral body is to the recessed concave surface of light input slot, is provided with trickle striped on concave surface.
Among above each embodiment and other embodiment, the pattern of striped can be to have different forms, if Figure 10 (a) is to as shown in Figure 10 (e).Should be understood that, forward entrance face, the first side direction plane of incidence and the second side direction plane of incidence can be corresponding selects any among seven kinds of stripeds, also can select several simultaneously.Striped can be distributed in any one face of the first side direction plane of incidence, the second side direction plane of incidence, forward entrance face, also any two faces that can these three kinds of faces, or three distribute simultaneously, these stripeds can distribute whole, also can only the distribute part of these faces.
Please refer to 10 (a), be expressed as a kind of biconvex striped, the center line that HI is striped, JK is the datum plane of the striped place plane of incidence.The degree of depth of striped is for from cross section, and for striped is away from the distance of datum plane JK, the degree of depth M of striped is between 0.1～10mm.Striped is divided with center line HI, and the concave surface with respect to center line HI is divided in the convex surface with respect to center line HI and the bottom that are divided into part, and among the present embodiment, the convex surface of the convex surface of upper part and lower part forms with tip in junction.Certainly, among practical application, if the part that the convex surface of the convex surface of upper part and lower part is same sphere, go up the convex surface of part and the convex surface of lower part in junction for seamlessly transitting.
Please refer to 10 (b), be expressed as a kind of concave-concave striped, the center line that HI is striped, JK is the datum plane of the place plane of incidence.The degree of depth M of striped is between 0.1～10mm.Striped is divided with center line HI, and the concave surface with respect to center line HI is divided in the concave surface with respect to center line HI and the bottom that are divided into part, and among the present embodiment, the concave surface of the concave surface of upper part and lower part forms with tip in junction.Certainly, among practical application, if the part that the concave surface of the concave surface of upper part and lower part is same sphere, go up the concave surface of part and the concave surface of lower part in junction for seamlessly transitting.
Please refer to 10 (c), be expressed as a kind of convex-concave striped, the center line that HI is striped, JK is the datum plane of the striped place plane of incidence.The degree of depth M of striped is between 0.1～10mm.Striped is divided with center line HI, and the concave surface with respect to center line HI is divided in the convex surface with respect to center line HI and the bottom that are divided into part, and among the present embodiment, the concave surface of the convex surface of upper part and lower part forms with tip in junction.
Please refer to 10 (d), be expressed as a kind of plano-concave striped, the center line that HI is striped, JK is the datum plane of the striped place plane of incidence.The degree of depth M of striped is between 0.1～10mm.Striped is divided with center line HI, and the concave surface with respect to center line HI is divided in the clinoplain with respect to center line HI and the bottom that are divided into part, and the concave surface of the clinoplain of upper part and lower part forms with tip in junction.Clinoplain and center line angle theta are between 0 °～60 °.
Please refer to 10 (e), be expressed as a kind of plano-convex striped, the center line that HI is striped, JK is the datum plane of the striped place plane of incidence.The degree of depth M of striped is between 0.1～10mm.Striped is divided with center line HI, and the clinoplain with respect to center line HI is divided in the convex surface with respect to center line HI and the bottom that are divided into part, and the clinoplain of the convex surface of upper part and lower part forms with tip in junction.Clinoplain and center line angle theta are between 0 °～60 °.
The streaky optical lens of tool of the present utility model, is applied to LED light fixture, has following characteristics:
(1) optical lens adopts plastic material, is conducive to moulding, reduce production costs, and lightweight;
(2) should be understood that, striped can partly be distributed in forward entrance face, or is distributed in the first side direction plane of incidence, or in the described second side direction plane of incidence, or in exit facet; Striped also can be distributed in whole forward entrance face, or is distributed in the whole first side direction plane of incidence, or in the whole second side direction plane of incidence, or in whole exit facet, by striped is set, used optical principle, reduce hot spot and dazzle, it is softer that light source becomes as far as possible, and the uniformity is better;
(3) the some or all of forward entrance face that is distributed in of striped, or be distributed in the first side direction plane of incidence, or in the described second side direction plane of incidence, or in exit facet, the integral surface that does not affect striped place face is a plane, or integral surface is a convex surface, or integral surface is a concave surface;
(4) should be understood that, can use the strip form of single kind simultaneously, also can adopt the combination of various strip form simultaneously;
(5) optical lens adopts strip, makes a plurality of LED light sources that are sequentially arranged in a straight line without configuring one by one a plurality of lens, and a plurality of LED light sources share an optical lens, are very easy to installation, are conducive to reduce costs;
(6) LED light source is arranged within the scope of burnt post, can light be propagated with optimum incident angle as far as possible;
(7) embodiment of different optical lenses just has different light efficiencies, meets different use occasions;
(8) first reflectings surface and the second reflecting surface are parabola, be beneficial to LED light source reflection, reduce light loss;
(9) forward entrance face be inclined-plane and and the angle of horizontal plane between 0 °～60 °; Being provided with of these parameters is beneficial to the variation that realizes focus and adapts to different sizes and different LED light source just;
(10) with respect to LED light source, present the light fixture that matrix form is arranged, arranging of optical lens can also, for mutually side by side, to reach the effect of simplified structure, and be conducive to the reinforcement of optical effect;
(11) length L of optical lens is more than or equal to 120mm, beeline between the first side direction plane of incidence and the second side direction plane of incidence is at 5～120mm, distance H between the first focus A, the second focus B and the 3rd focus C and the first near point O is 5～120mm, the first focus A, the second focus B and the 3rd focus C between two distance are each other within 50mm, by the setting of parameter, make the light loss of LED light source less, and light distribution effect is also better, the whole light efficiency of light fixture is high.
Should be understood that, junction chamfering in addition between all and face, or at some face, to increase or reduce material be the common technology means of this area.The LED light fixture with optical lens of the present utility model, is particularly useful for wall lamp, Projecting Lamp, floodlight, street lamp etc.
The above; it is only preferred embodiment of the present utility model; those familiar with ordinary skill in the art still may be based on this creation teaching and announcement; make all replacement and modifications that does not deviate from this creation spirit; the protection domain of this creation is not limited to the content that embodiment discloses; and should comprise various replacement and the modifications that do not deviate from this creation, the claims that are present patent application are advocated.
Claims (11)
1. the streaky optical lens of tool, is characterized in that, described optical lens has the main body of strip, and the main body of described optical lens has the first reflecting surface, the second reflecting surface and exit facet;
The main body of described optical lens is provided with the light input slot that holds light source, and described smooth input slot is strip, and part light is reflected by described the first reflecting surface reflection and described the second reflecting surface, then penetrates by described exit facet;
The incidence surface of described smooth input slot at least comprises one or several of flat stripe surface, stria face, recessed stripe surface.
2. the streaky optical lens of tool according to claim 1, is characterized in that, the incidence surface of described smooth input slot comprises forward entrance face, the first side direction plane of incidence and the second side direction plane of incidence; Wherein, part light is reflected by described the first reflecting surface after entering the described first side direction plane of incidence, then penetrates by described exit facet; Part light is reflected by described the second reflecting surface after entering the described second side direction plane of incidence, then penetrates by described exit facet; Part light penetrates towards described exit facet via described forward entrance.
3. the streaky optical lens of tool according to claim 2, it is characterized in that, the focus that described the first reflecting surface and the described first side direction plane of incidence form is the first focus, the focus that described the second reflecting surface and the described second side direction plane of incidence form is the second focus, the focus that described forward entrance face and described exit facet form is the 3rd focus, and the first focus, the second focus and the 3rd focus distance are between any two less than or equal to 50mm.
4. the streaky optical lens of tool according to claim 3, it is characterized in that, on optical axis, the nearest point of described forward entrance face distance light source on optical axis is the first near point, and the distance between described the first focus, described the second focus and described the 3rd focus and described the first anomalistic distance is all between 5～120mm.
5. the streaky optical lens of tool according to claim 2, is characterized in that, the length of described optical lens is more than or equal to 120mm, and the beeline between the described first side direction plane of incidence and the described second side direction plane of incidence is between 5～120mm.
6. the streaky optical lens of tool according to claim 2, is characterized in that, described striped is some or all of is distributed in described forward entrance face, or is distributed in the described first side direction plane of incidence, or is distributed in the described second side direction plane of incidence.
7. the streaky optical lens of tool according to claim 2, is characterized in that, the described first side direction plane of incidence and the described second side direction plane of incidence, wherein one or two be flat stripe surface and and optical axis angle between-60 °～60 °.
8. the streaky optical lens of tool according to claim 2, is characterized in that, described forward entrance face is flat stripe surface, and the angle of horizontal plane is between 0 °～60 °.
9. the streaky optical lens of tool according to claim 1, is characterized in that, the degree of depth of described striped is between 0.1～10mm, and described striped extends along its length.
10. the streaky optical lens of tool according to claim 1, is characterized in that, described flat stripe surface is that integral body belongs to plane, and plane is provided with striped; Described stria face is that integral body belongs to convex surface, is provided with striped on convex surface; Described recessed stripe surface is that integral body belongs to concave surface, is provided with striped on concave surface.
The streaky optical lens of 11. tool according to claim 1, is characterized in that, described exit facet is Fresnel optical lens face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420269111.8U CN203868944U (en) | 2014-05-23 | 2014-05-23 | Optical lens with stripes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420269111.8U CN203868944U (en) | 2014-05-23 | 2014-05-23 | Optical lens with stripes |
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| Publication Number | Publication Date |
|---|---|
| CN203868944U true CN203868944U (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420269111.8U Expired - Fee Related CN203868944U (en) | 2014-05-23 | 2014-05-23 | Optical lens with stripes |
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| CN (1) | CN203868944U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017075780A1 (en) * | 2015-11-05 | 2017-05-11 | 深圳大学 | Integrated anti-glare system for vehicle headlamp |
| WO2019072174A1 (en) * | 2017-10-10 | 2019-04-18 | 长城汽车股份有限公司 | Primary lens, light-emitting assembly, light-emitting system, and headlight |
| CN109764303A (en) * | 2018-12-19 | 2019-05-17 | 深圳市九洲光电科技有限公司 | A kind of double lens LED light |
| WO2019110009A1 (en) * | 2017-12-07 | 2019-06-13 | 京东方科技集团股份有限公司 | Optical lens, glasses and display device |
| CN114527620A (en) * | 2022-04-21 | 2022-05-24 | 广东五九科技有限公司 | Starry sky projection device |
-
2014
- 2014-05-23 CN CN201420269111.8U patent/CN203868944U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017075780A1 (en) * | 2015-11-05 | 2017-05-11 | 深圳大学 | Integrated anti-glare system for vehicle headlamp |
| WO2019072174A1 (en) * | 2017-10-10 | 2019-04-18 | 长城汽车股份有限公司 | Primary lens, light-emitting assembly, light-emitting system, and headlight |
| RU2737848C1 (en) * | 2017-10-10 | 2020-12-03 | Грэйт Уолл Мотор Компани Лимитед | Primary diffuser, light-emitting unit, light-emitting system and headlight |
| WO2019110009A1 (en) * | 2017-12-07 | 2019-06-13 | 京东方科技集团股份有限公司 | Optical lens, glasses and display device |
| CN109764303A (en) * | 2018-12-19 | 2019-05-17 | 深圳市九洲光电科技有限公司 | A kind of double lens LED light |
| CN114527620A (en) * | 2022-04-21 | 2022-05-24 | 广东五九科技有限公司 | Starry sky projection device |
| CN114527620B (en) * | 2022-04-21 | 2023-08-18 | 广东五九科技有限公司 | Star projector |
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