CN105276522B - A kind of spreadlight lens for LED lamp and the LED lamp with the spreadlight lens - Google Patents
A kind of spreadlight lens for LED lamp and the LED lamp with the spreadlight lens Download PDFInfo
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- CN105276522B CN105276522B CN201410307630.3A CN201410307630A CN105276522B CN 105276522 B CN105276522 B CN 105276522B CN 201410307630 A CN201410307630 A CN 201410307630A CN 105276522 B CN105276522 B CN 105276522B
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Abstract
The present invention provides a kind of spreadlight lenses for LED lamp, set on the light-emitting window of light source, the light source has an optical axis, its optical input is a concave structure, for reflecting incident light, light output mouth of the spreadlight lens with optical input and corresponding thereto, the optical input is a concave structure, for refracting light into the light output mouth；Wherein, the optical input is additionally provided with the plane of incidence and reflecting surface of at least two pairs of angulations setting, the light reflected via the plane of incidence is reflexed to the light output mouth by the reflecting surface, and the optical input is to stretch two surfaces to be formed along the length direction vertical with the cross section of the spreadlight lens with the light output mouth.The present invention also provides a kind of LED lamp, including a shell, spreadlight lens above-mentioned and at least two light sources, each light source is set to the optical input side and is intervally arranged along the length direction.
Description
Technical field
The present invention relates to a kind of spreadlight lens for LED lamp and the LED lamps with the spreadlight lens.
Background technique
LED wall wash lamp has become indispensable a kind of illuminations in city illumination engineering, since its lamp body is big, scattered
The good characteristic of thermal effect, and high-power LED wall washing lamp irradiation distance is up to 1 meter to 10 meters, be highly suitable for government's lighting engineering,
The inner, external wall in the indoor and outdoors places such as business place, subway, elevated overpass, external wall, building terrestrial reference, parlor, public place of entertainment
The panorama type floodlighting in face.
In practical applications, lens provisioned in LED wall wash lamp are different according to different needs.LED in the market
Lens module used by wall lamp is generally thicker, and is limited to more single structure, and the angle of emergent light is restricted, because
This needs LED wall wash lamp lens a kind of relatively thin and with bigger light emitting angle.
Summary of the invention
In order to overcome the above technical defects, the purpose of the present invention is to provide a kind of spreadlight lens for LED lamp and
LED lamp with the spreadlight lens.
To achieve the goals above, first aspect present invention provides a kind of spreadlight lens for LED lamp, is set to light source
Light-emitting window, the light source has an optical axis, and the spreadlight lens has optical input and light output mouth corresponding thereto, described
Optical input is a concave structure, for refracting light into the light output mouth；Wherein, the optical input be additionally provided with to
The plane of incidence and reflecting surface of few two pairs of angulations setting, the reflecting surface reflex to the light reflected via the plane of incidence described
Light output mouth, and the optical input is along the length direction vertical with the cross section of the spreadlight lens with the light output mouth
Stretch two surfaces formed.
In spreadlight lens disclosed by the invention, the adjacent plane of incidence of two of them is oppositely arranged in the optical axis two
Side is connected with a convex surface between described two adjacent planes of incidence, for that will expose to the convex surface and described two phases respectively
Central ray in first incident light of the junction of the adjacent plane of incidence and the second incident optical range refracts to the light output mouth.
Preferably, the convex surface two sides are placed with the plane of incidence and reflecting surface of the angulation setting of identical quantity.
Optionally, the light output mouth include the first plane and from first plane in different angles the second plane and
Third plane, second plane, the first plane and third plane surround an opening backwards to the optical input, and described the
One incident light and second incident light are symmetrical about the optical axis.Preferably, first incident light and second incidence
The angle of light and the optical axis is 30 °~50 °, the central ray by the convex refractive to first plane, it is described
Peripheral light outside first incident light and the second incident optical range successively passes through the refraction and the reflection of the plane of incidence
The reflection in face propagates to second plane and the third plane respectively.It is highly preferred that first incident light and described
The angle of two incident lights and the optical axis is 40 °.
Optionally, the light output mouth is a plane, and the optical input is asymmetric about the optical axis.Preferably,
First incident light and second incident light are asymmetric about the optical axis.It is further preferred that first incident light
Angle with the optical axis is 30 °~50 °, and the angle of second incident light and the optical axis is 15 °~25 °.Further preferably
The angle of ground, first incident light and the optical axis is 40 °, and the angle of second incident light and the optical axis is 25 °.
In spreadlight lens disclosed by the invention, the optical input and/or the light output mouth are matte surfaces.
In spreadlight lens disclosed by the invention, the plane of incidence is plane.
In spreadlight lens disclosed by the invention, the reflecting surface is fully reflecting surface.
In spreadlight lens disclosed by the invention, the spreadlight lens is optical plastic lens.
In spreadlight lens disclosed by the invention, the spreadlight lens is total internal reflection (TIR) lens.
Second aspect of the present invention provides a kind of LED lamp, including shell, spreadlight lens above-mentioned and at least two light
Source, each light source are set to the optical input side and are intervally arranged along the length direction.Preferably, in the shell
A light-transmitting plate is additionally provided between wall and the light output mouth, the light-transmitting plate is close to the surface of the light output mouth coated with glimmering
Light powder, and at least two light source is blue-ray LED.Preferably, the LED lamp is a kind of wall lamp.
The plane of incidence and reflecting surface and have that multipair angulation is arranged are added by the optical input side in spreadlight lens
The LED lamp of such spreadlight lens, the plane of incidence and reflecting surface that the setting of these angulations can be efficiently used are to Partial angle model
The optical path of incident light in enclosing is changed, to change its shooting angle, to expand the range of exposures of entire lamps and lanterns, simultaneously also
It can increase the polarizing angle of emergent light, eliminate optics macula lutea, moreover it is possible to which the homogeneity for guaranteeing metope illumination exposes to emergent ray
The range of wall is wider, and improves the irradiant utilization rate of light source.
Detailed description of the invention
Fig. 1 is a kind of schematic side view of embodiment of spreadlight lens of the invention；
Fig. 2 is a kind of light path schematic diagram of embodiment of spreadlight lens of the invention；
Fig. 3 is the schematic side view of another embodiment of spreadlight lens of the invention；
Fig. 4 is the light path schematic diagram of another embodiment of spreadlight lens of the invention；
Fig. 5 is the schematic diagram of the LED lamp with spreadlight lens of the invention.
Specific embodiment
Understand to make the objectives, technical solutions, and advantages of the present invention clearer, combined with specific embodiments below and joins
According to attached drawing, the present invention is described in more detail.
As shown in Figure 1 and Figure 2, first aspect present invention discloses a kind of spreadlight lens 1, and this spreadlight lens 1 is a kind of drawing
The lens of type are stretched, it is in long strip.It is observed that the tension type spreadlight lens 1 is with saw-tooth shaped cross section along long from cross section
It spends made of direction stretches, cross sectional shape but is different from that the Fresnel lens number of teeth is more, tooth similar to the shape of Fresnel lens
The feature of shape rule.The number of teeth of spreadlight lens 1 disclosed by the invention is any, tooth form is unrestricted, can come according to actual needs
Different tooth form and the number of teeth are made, so as to be applied in LED lamp field in a variety of different demands, such as wall lamp.When
When this spreadlight lens 1 is placed in a spaced row 4 top of LED light source along its length, it is capable of forming a kind of strip
Dispensing type LED lamp, to adapt to the demand of wall lighting.As seen from the figure, this spreadlight lens 1 is set to the light-emitting window of light source 4
(light source 4 has an optical axis 41), and there is optical input 2 and light output mouth 3.Optical input 2 shows a kind of knot of upper spill
Structure, for the incident light in refractive illumination to the optical input 2, this concave structure is usually putting in order to facilitate LED light source 4
It sets and the maximization of space utilization.
In a kind of specific embodiment disclosed by the invention, at least two pairs of angulations settings are additionally provided on optical input 2
The plane of incidence 21 and reflecting surface 22.From in shape, the plane of incidence 21 and reflecting surface 22 are arranged in groups indention, work in coordination to change
Become the optical path of incident light, wherein reflecting surface 22 is used to reflect the light reflected via the plane of incidence 21.In general lens, light
Beam passes through the birefringence of the plane of incidence and plane of refraction；Or in the lens of some specific shapes, light beam is reflected by the plane of incidence
To a mirrored sides of lens, lens are reflected via exit facet again after reflection.Spreadlight lens 1 disclosed by the invention
In, increase multiple reflectings surface 22 with reflection from lens side with same purpose, i.e., the plane of incidence 21 is by refracting light incident to anti-
It penetrates on face 22, then is reflexed to light on light output mouth 3 by reflecting surface 22, reflect the spreadlight lens 1 by light output mouth 3.
In order to enable more light to get to required position on wall, spreadlight lens 1 is needed according to this Demand Design at not
Same shape, one way in which is exactly the shooting angle by deflecting emergent light, to expand the range of exposures of entire lamps and lanterns.
In wall lamp field, the good wall lamp of performance is got on metope, and the illumination homogeneity of light is good, and spreadlight lens 1 of the invention increases
If the multipair plane of incidence 21 and reflecting surface 22, portion of incident light is divided into two parts, three parts or more parts, thus partially
Turn those light successively propagated through superrefraction-reflection-refraction path.The plane of incidence 21 be plane, reflecting surface 22 be curved surface or
It is spliced by two sections of free form surfaces.Spreadlight lens 1 of the invention is a kind of tension type spreadlight lens 1, that is to say, that light is defeated
Entrance 2 and light output mouth 3 are to stretch the two optics tables to be formed along the length direction vertical with the cross section of the spreadlight lens 1
Face, wherein the spreadlight lens 1 has length direction, width direction and short transverse, and three's size the maximum is length direction,
It is in the same direction short transverse with optical axis 41, the side cross-sectional direction of spreadlight lens 1 shown in figure is width direction.It is tension type
Mirror can expand the width for exposing to the entire hot spot on wall, using the technique for stretching lens, be adapted to any width
The demand of wall is also possible to several 1 modules of spreadlight lens warps either 1 module of spreadlight lens is stretched and to be formed
It is spliced to form after overstretching.
In a preferred embodiment of the invention, in the plane of incidence 21 and reflecting surface 22 of multipair angulation setting, there are two
The adjacent plane of incidence 21 is oppositely arranged, and the two planes of incidence 21 are located at the two sides of 1 optical axis 41 of spreadlight lens.At this
It is also connected with a convex surface 23 between two adjacent planes of incidence 21, is used for refracting light incident to light output mouth 3, wherein convex surface
Light received by the junction of 23 planes of incidence 21 adjacent with the two is known as the first incident light 51 and the second incident light 52,
Incident light in 52 range of the first incident light 51 and the second incident light is central ray.Connect the two adjacent planes of incidence 21
Convex surface 23 be optical input 2 made of being stretched as free curve a part, for receive from light source 4 be emitted light beam in,
Close to the light beam of central part, the angular range for receiving incident light may be, for example, near 4 optical axis 41 of light source and optical axis 41
Angle directly refracts to light output mouth 3 at 40 °, and by these light beams, it can be seen that the light beam of this part is by twice
It is emitted again after refraction.If convex surface 23 is a kind of arc-shaped convex surface, then it is big incident light can be become to cluster after superrefraction
The collimated light beam parallel with the optical axis 41 of light source 4 is caused, then passes through the refraction of light output mouth 3, is emitted from the spreadlight lens 1, together
When, by adjusting the face type of light output mouth 3, moreover it is possible to change the shooting angle of the collimated light beam.Skilled person will appreciate that
It is that convex surface 23 also can be made a plane.
Preferably, the plane of incidence 21 and reflecting surface 22 of the angulation setting of identical quantity are placed in the two sides on convex surface 23.?
That is the two sides on convex surface 23, such as 23 both sides of convex surface are arranged in the same amount of zigzag plane of incidence 21 and reflecting surface 22
The plane of incidence 21 and reflecting surface 22 of two or three pairs of angulation settings are respectively set.In this way, the light intensity point of emergent light spot can be made
Cloth is more uniform, as highly gradually light effect is more preferable.
In spreadlight lens 1 disclosed by the invention, light output mouth 3 is usually a concave surface, such as in a reality of the invention
It applies in example, light output mouth 3 is by the first plane 31 in horizontal plane and to be located at 31 two sides of the first plane and with it in not
The second plane 32 and third plane 33 with angle form.Second plane 32, the first plane 31 and third plane 33 surround a back
To the opening of optical input 2, and the first incident light 51 and the second incident light 52 are symmetrical about optical axis 41.As shown in Figure 1,
In the present embodiment, light output mouth 3 consists of three parts, and the first plane 31, the second plane 32 and third plane 33 are formed by
The opening to set to the concave can play the effect of similar concave mirror, in the mistake that light is traveled to optically thinner medium from optically denser medium
Cheng Zhong plays the role of assembling emergent ray, is applied to wall lamp field, can will be close to the second plane 32 (or the of metope
Three planes 33) the deflection angle of emergent light increase, be incident upon the incident angle of metope to make to be emitted illumination and become larger, make its irradiation
Range increase.
As shown in Fig. 2, the first incident light 51 and the second incident light 52 are symmetrical about optical axis 41, that is to say, that light source 4 is to put
It sets on the optical axis 41 of spreadlight lens 1.Preferably simultaneously, the folder of the first incident light 51 and the second incident light 52 and optical axis 41
Angle can be taken as an angle in 30 °~50 °, and the central ray in this angular range refracts to first by convex surface 23
Plane 31.And all peripheral lights 53,54,55,56 between the first incident light 51 and the second incident light 52 except range, all
Successively by the reflection of the refraction of the plane of incidence 21 and reflecting surface 22, the second plane 32 and third plane 33 are then propagated to respectively,
It is reflected in Fig. 2 and is exactly, the peripheral light 53,55 positioned at 23 left side of convex surface, which eventually passes through after the second plane 32 reflects, to be emitted, position
Peripheral light 54,56 in 23 right side of convex surface, which eventually passes through after third plane 33 reflects, to be emitted.It is specific real at of the invention one
It applies in example, the angle of the first incident light 51 and the second incident light 52 and optical axis 41 takes 40 °, the plane of incidence 21 of angulation setting and reflection
Face 22 is for two pairs, and the optical input 2 of entire spreadlight lens 1 has two pairs of zigzag structures, wherein close to intermediate convex surface
23 a pair of of reflecting surface is the first reflecting surface 221, and it (is the polarisation that a pair of of reflecting surface 22 by proximal edge, which is the second reflecting surface 222,
The two sides of lens 1), a pair of of zigzag knot by proximal edge is compared close to the tooth tip of a pair of of zigzag structure on intermediate convex surface 23
The tooth tip of structure is more nearly lens itself.Wherein, a pair of of plane of incidence 21 close to intermediate convex surface 23 is first plane of incidence 211, is connect
The incident light for being 40 °~55 ° with 41 angle of optical axis of light source 4 is received, a pair of of plane of incidence 22 by proximal edge is second plane of incidence
212, receive the incident light with 41 angle of optical axis greater than 55 °.Meanwhile first reflecting surface 221, the second reflecting surface 222 can be one
Section free curve stretches the reflecting surface to be formed, the first plane 31 and horizontal plane of light output mouth 3 along the length direction of spreadlight lens 1
Also there is certain angle, can be 5 °, be also possible to 10 °, but angle should be smaller, general 5 °~10 ° are advisable.The present invention can be with
By the design of the face type to light output mouth 3, emergent light is adjusted to substantially parallel light beam.
As shown in figure 3, optionally, the light output mouth 3 in spreadlight lens 1 of the invention is a plane, inputted with the time
Mouth 2 is asymmetric about optical axis 41.For from the appearance, people generally like smooth agile surface, come from the angle of assembly
It says, plane is more favorable for assembling.Using the dissymmetrical structure of optical input 2, by incident ray in one direction (usually towards
The direction of wall) deflection certain angle (can be 5 °, be also possible to 10 °, can specifically design according to actual needs), make light
It is emitted in an angular range, such design increases the range of exposures for exposing to hot spot on wall, and can eliminate
Macula lutea.In this embodiment, it is preferred that the first incident light 51 with the second incident light 52 be about optical axis 41 it is asymmetric, also
It is to say, convex surface 23 is asymmetric about optical axis 41.As shown in Figure 4, in one particular embodiment of the present invention, entire light is defeated
The dissymmetrical structure of entrance 2 is not irregular in fact, and the plane of incidence 21 of 23 two sides of convex surface and the quantity of reflecting surface 22 are
It is identical.The slope of each reflecting surface 22 is it is found that be located at each reflecting surface 22 in left side relative to the oblique of optical axis 41 in analysis chart 4
Rate is generally greater than the reflecting surface 22 on corresponding right side, and such setting can make light universal towards the slope of reflecting surface 22
Biggish that side deflection.Therefore, in the above-described embodiments, the incident angle of the first incident light 51 can be with 41 angle of optical axis
An optional angle in 30 °~50 °, and the incident angle of the second incident light 52 can be optional in 15 °~25 ° with 41 angle of optical axis
One angle, in the present embodiment, the angle of the first incident light 51 and optical axis 41 are 40 °, the second incident light 52 and optical axis 41
Angle is 25 °.In addition, above-mentioned incident angle has the setting of discrepant first incident light 51 and the second incident light 52, be in order to
Processing injection molding is allowed to be easier, while convex surface 23 and the connection of the plane of incidence 21 of two sides are more smooth.
In fig. 4 it is shown that the embodiment that the zigzag structure of 2 side of optical input is three pairs, farther out from optical axis 41
Region, such as in the left side on convex surface 23,40 ° of light is greater than with 41 angle of optical axis, and on the right side on convex surface 23, with optical axis
41 angles are greater than 25 ° of light, can change its optical path, these light by the plane of incidence 21 and reflecting surface 22 that zigzag occurs in pairs
It is saturating to project polarisation after the unirefringence of the plane of incidence 21, the primary event of reflecting surface 22, the unirefringence of light output mouth 3 for line
Mirror 1；And near optical axis 41, such as convex surface 23 left side and 41 angle of optical axis less than 40 ° and convex surface 23 right side with
41 angle of optical axis is light output mouth 3 to be refracted to via convex surface 23, that is, pass through and roll over twice less than the incident light within the scope of 25 °
The light penetrated.The range of incident angle near reception optical axis 41 is had to the structure on the convex surface 23 of the incident light of larger difference,
It is made into free form surface structure made of asymmetric half cambered surface as shown in the figure stretches, is on the one hand to adapt to this with incidence
Angle difference incident light, when being on the other hand the plane of incidence 21 in order to make its connection left and right sides, curved surface is connected smoother.
Certainly those of skill in the art would appreciate that the range that convex surface 23 receives incident light is not limited to above-mentioned implementation
Range described in example, but the value within the scope of aforementioned mentioned certain angle.The plane of incidence 21 of zigzag structure simultaneously
It may be set to be four pairs, five pairs with reflecting surface 22, it might even be possible to which setting is more.
In one particular embodiment of the present invention, optical input 2 and light output mouth 3 can carry out frosted processing, can be with
Simultaneously it is matte surface, is matte surface when can also be different.Matte surface can be by the light of exiting parallel or with angle
The emergent light of difference is scattered processing, on the one hand can homogenize the light intensity of hot spot each section, on the other hand can be further
Macula lutea is eliminated, keeps emergent light spot more beautiful.
In one particular embodiment of the present invention, the plane of incidence 21 is plane, and plane compares rule for the processing of incident light
Then, more convenient when and designing.
In one particular embodiment of the present invention, reflecting surface 22 is fully reflecting surface, using total reflection principle, due to lens
Medium for air, usually optically denser medium, therefore set fully reflecting surface for reflecting surface 22 and can guarantee entirely
The utilization efficiency of lamps and lanterns light, when so that the light of those 1 internal transmissions of spreadlight lens being projected to reflecting surface 22, the loss of light is most
It is small, the utilization rate highest of light.
In a specific embodiment of the invention, spreadlight lens 1 is a kind of optical plastic lens, and the material used can be with
It is polymethyl methacrylate (PMMA) material, that is, selects a kind of polymethyl methacrylate lens, is also possible to poly- carbon
Acid esters (PC) material, that is, select a kind of polycarbonate lens.The universal advantage of optical plastic lens is optics utilization rate
It is high, material is cheap, using belonging to quality-high and inexpensive selection in LED wall wash lamp field.
In a specific embodiment of the invention, spreadlight lens 1 is a kind of total internal reflection lens (TIR).Total internal reflection is saturating
The benefit of mirror is that in the spreadlight lens 1 other than the plane of incidence 21 and light output mouth 3, other surfaces, which are designed as following, is all-trans
Law deflection light is penetrated, in this way, the light utilization efficiency of entire spreadlight lens 1 can achieve theoretic maximization.
Second aspect of the present invention discloses a kind of LED lamp, as shown in figure 5, include a shell 6, it is interior saturating equipped with polarisation
Mirror 1 and at least two light sources 4.Each light source 4 is set to 2 side of optical input and along the length direction of entire spreadlight lens 1
It is intervally arranged.The multipair zigzag plane of incidence 21 and reflecting surface is arranged by processing to spreadlight lens 1 in this LED lamp
22, the principle of Fresnel lens has been used for reference, but since its number of teeth is less, it can be designed in some embodiments ultra-thin
Mirror, therefore spreadlight lens disclosed by the invention 1 is more more convenient than Fresnel lens processing.In some embodiments of the invention, preceding
Stating LED lamp is a kind of wall lamp, is used for wall lighting.
Spreadlight lens 1 of the present invention as shown in Fig. 5 is applied to the situation in practical application, and shell 6 accommodates spreadlight lens 1
And light source 4, the lamps and lanterns of this strip can design different length or width, use scope according to the shape of building
Extensively, and it is simple structure, easy to process.Wherein, shell 6 can be glass material, for example, quartz glass, silicate glass,
The optical glass materials such as soda-lime glass, fluoride glass, high temp glass, high pressure resistant glass, ultraviolet ray intercepting glass, implosion guard,
Be also possible to plastic light-transmission material, for example, polymethyl methacrylate (PMMA), polystyrene (PS), polycarbonate (PC),
It is styrene-acrylonitrile (AS), styrene-methylmethacrylate copolymer (MS), poly(4-methyl-1-pentene) (TPX), transparent poly-
The optical plastics material such as amide.
Spreadlight lens 1 disclosed by the invention is intervally arranged bring to eliminate light source 4 (present embodiment LED)
Grain sense and macula lutea phenomenon, can also be realized using blue-ray LED and long-distance fluorescent powder technology.As shown in figure 5,6 inner wall of shell
A light-transmitting plate 7 is additionally provided between light output mouth 3, by long-distance fluorescent powder technology by fluorescent powder even application in light-transmitting plate 7
Close to the surface of light output mouth 3, while light source 4 uses blue light LED light source, and such setting is so that the light out of lamps and lanterns is more equal
It is even, by blue light excitated fluorescent powder, the granular sensation of light source 4 is eliminated, and eliminate optics macula lutea.In the present invention, light-transmitting plate 7 can be
The light-transmitting plate of polycarbonate (PC) material, relative to other high performance translucent materials, such as polymethyl methacrylate (PMMA)
Equal optical plastics, the weatherability of polycarbonate plate is more preferably.
According to the spreadlight lens 1 of above-mentioned configuration and the LED lamp with such spreadlight lens 1, can effectively pass through
The propagation path for changing part of light beam, changes its shooting angle, to expand the range of emergent light spot, shines emergent ray
The vertical height for being incident upon wall is more increased, the light intensity of emergent light spot is more uniform, further increases the irradiant utilization of light source 4
Rate.
It should be noted that the embodiment of the present invention has preferable implementation, and not the present invention is made any type of
Limitation, any one skilled in the art change or are modified to possibly also with the technology contents of the disclosure above equivalent effective
Embodiment, as long as without departing from the content of technical solution of the present invention, it is to the above embodiments according to the technical essence of the invention
Any modification or equivalent variations and modification, all of which are still within the scope of the technical scheme of the invention.
Claims (18)
1. a kind of spreadlight lens for LED lamp, set on the light-emitting window of light source, the light source has an optical axis,
Light output mouth of the spreadlight lens with optical input and corresponding thereto,
The optical input is a concave structure, for refracting light into the light output mouth；
It is characterized in that,
The optical input is additionally provided with the plane of incidence and reflecting surface of at least two pairs of angulations setting, and the reflecting surface will be via described
The light of plane of incidence refraction reflexes to the light output mouth,
And the optical input with the light output mouth is stretched along the length direction vertical with the cross section of the spreadlight lens
Two surfaces formed；
The reflecting surface is curved surface or is spliced by two sections of free form surfaces；
The light output mouth includes the first plane and the second plane and third plane from first plane in different angles, institute
State the opening that the second plane, the first plane and third plane surround one backwards to the optical input.
2. spreadlight lens as described in claim 1, it is characterised in that:
The adjacent plane of incidence of two of them is oppositely arranged in the optical axis two sides,
It is connected with a convex surface between described two adjacent planes of incidence, for the convex surface and described two phases will to be exposed to respectively
Central ray in first incident light of the junction of the adjacent plane of incidence and the second incident optical range refracts to the light output mouth.
3. spreadlight lens as claimed in claim 2, it is characterised in that: the convex surface two sides be placed with identical quantity it is described at
The plane of incidence and reflecting surface of angle setting.
4. spreadlight lens as claimed in claim 3, it is characterised in that: first incident light and second incident light about
The optical axis is symmetrical.
5. spreadlight lens as claimed in claim 4, it is characterised in that:
The angle of first incident light and second incident light and the optical axis is 30 °~50 °, and the central ray passes through
The convex refractive to first plane,
Peripheral light outside first incident light and the second incident optical range successively pass through the plane of incidence refraction and
The reflection of the reflecting surface propagates to second plane and the third plane respectively.
6. spreadlight lens as claimed in claim 5, it is characterised in that: first incident light and second incident light and institute
The angle for stating optical axis is 40 °.
7. spreadlight lens as claimed in claim 3, it is characterised in that: the light output mouth is a plane, and the light inputs
Mouth is asymmetric about the optical axis.
8. spreadlight lens as claimed in claim 7, it is characterised in that: first incident light and second incident light about
The optical axis is asymmetric.
9. spreadlight lens as claimed in claim 8, it is characterised in that: the angle of first incident light and the optical axis is
30 °~50 °, and the angle of second incident light and the optical axis is 15 °~25 °.
10. spreadlight lens as claimed in claim 9, it is characterised in that: the angle of first incident light and the optical axis is
40 °, the angle of second incident light and the optical axis is 25 °.
11. spreadlight lens as described in claim 1, it is characterised in that: the optical input and/or the light output mouth are mills
Sand surface.
12. spreadlight lens as described in claim 1, it is characterised in that: the plane of incidence is plane.
13. spreadlight lens as described in claim 1, it is characterised in that: the reflecting surface is fully reflecting surface.
14. spreadlight lens as described in claim 1, it is characterised in that: the spreadlight lens is optical plastic lens.
15. spreadlight lens as described in claim 1, it is characterised in that: the spreadlight lens is total internal reflection lens.
16. a kind of LED lamp, including a shell, the interior spreadlight lens and at least two being equipped with as described in claim 1-15
Light source, each light source are set to the optical input side and are intervally arranged along the length direction.
17. LED lamp as claimed in claim 16, it is characterised in that: between the inner walls and the light output mouth also
It is provided with a light-transmitting plate, the light-transmitting plate is coated with fluorescent powder, and at least two light close to the surface of the light output mouth
Source is blue-ray LED.
18. LED lamp as claimed in claim 16, it is characterised in that: the LED lamp is a kind of wall lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410307630.3A CN105276522B (en) | 2014-06-30 | 2014-06-30 | A kind of spreadlight lens for LED lamp and the LED lamp with the spreadlight lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410307630.3A CN105276522B (en) | 2014-06-30 | 2014-06-30 | A kind of spreadlight lens for LED lamp and the LED lamp with the spreadlight lens |
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| Publication Number | Publication Date |
|---|---|
| CN105276522A CN105276522A (en) | 2016-01-27 |
| CN105276522B true CN105276522B (en) | 2019-04-30 |
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| CN201410307630.3A Active CN105276522B (en) | 2014-06-30 | 2014-06-30 | A kind of spreadlight lens for LED lamp and the LED lamp with the spreadlight lens |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017215987A1 (en) * | 2016-06-16 | 2017-12-21 | Philips Lighting Holding B.V. | A lighting system using a light guiding structure. |
| CN108167692A (en) * | 2016-12-07 | 2018-06-15 | 乐雷光电技术（上海）有限公司 | A kind of T-shaped LED polarisations wall lamp |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242904A (en) * | 2010-04-27 | 2011-11-16 | 西铁城电子株式会社 | Lens member and optical unit using the same |
| CN102506384A (en) * | 2011-10-21 | 2012-06-20 | 欧普照明有限公司 | Polarization type lens for light emitting diode (LED) lamp |
| CN103423701A (en) * | 2012-05-25 | 2013-12-04 | 惠州元晖光电股份有限公司 | Compound curved lens for LED (light-emitting diode) projection lamp |
| CN103874880A (en) * | 2011-10-20 | 2014-06-18 | 欧司朗有限公司 | Semiconductor light device comprising a lens having a light deflection structure |
| CN204042750U (en) * | 2014-06-30 | 2014-12-24 | 欧普照明股份有限公司 | A kind of spreadlight lens for LED lamp and there is the LED lamp of this spreadlight lens |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10051464B4 (en) * | 2000-10-17 | 2011-08-11 | OSRAM Opto Semiconductors GmbH, 93055 | fresnel lens |
-
2014
- 2014-06-30 CN CN201410307630.3A patent/CN105276522B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242904A (en) * | 2010-04-27 | 2011-11-16 | 西铁城电子株式会社 | Lens member and optical unit using the same |
| CN103874880A (en) * | 2011-10-20 | 2014-06-18 | 欧司朗有限公司 | Semiconductor light device comprising a lens having a light deflection structure |
| CN102506384A (en) * | 2011-10-21 | 2012-06-20 | 欧普照明有限公司 | Polarization type lens for light emitting diode (LED) lamp |
| CN103423701A (en) * | 2012-05-25 | 2013-12-04 | 惠州元晖光电股份有限公司 | Compound curved lens for LED (light-emitting diode) projection lamp |
| CN204042750U (en) * | 2014-06-30 | 2014-12-24 | 欧普照明股份有限公司 | A kind of spreadlight lens for LED lamp and there is the LED lamp of this spreadlight lens |
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Effective date of registration: 20230620 Address after: 215211 building a, Oupu Industrial Park, Fenyang Road, FENHU Economic Development Zone, Wujiang District, Suzhou City, Jiangsu Province Patentee after: SUZHOU OPPLE LIGHTING Co.,Ltd. Patentee after: OPPLE LIGHTING Co.,Ltd. Address before: 201201, room 1, building 6111, 411 East Dragon Road, Shanghai, Pudong New Area Patentee before: OPPLE LIGHTING Co.,Ltd. |