CN208295823U - Lens and lamps and lanterns for lamps and lanterns - Google Patents
Lens and lamps and lanterns for lamps and lanterns Download PDFInfo
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- CN208295823U CN208295823U CN201821036514.2U CN201821036514U CN208295823U CN 208295823 U CN208295823 U CN 208295823U CN 201821036514 U CN201821036514 U CN 201821036514U CN 208295823 U CN208295823 U CN 208295823U
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Abstract
The utility model discloses a kind of lens and lamps and lanterns for lamps and lanterns, lens include lens body, lens body is in bar shaped, the outer surface of lens body includes the plane of incidence, first reflecting surface, second reflecting surface and light-emitting surface, the plane of incidence is oppositely arranged with light-emitting surface, and the plane of incidence limits accommodating chamber and is suitable for accommodating the light source of lamps and lanterns, first reflecting surface and the second reflecting surface are respectively provided at the two sides of the plane of incidence, the both ends of first reflecting surface are connected with the plane of incidence and light-emitting surface respectively, the both ends of second reflecting surface are connected with the plane of incidence and light-emitting surface respectively, first reflecting surface includes the multiple sub- reflectings surface being connected with each other, multiple sub- reflectings surface are set gradually along the direction of the plane of incidence to light-emitting surface, curvature mutation of the two neighboring sub- reflecting surface at corresponding intersection.There is biggish angle of cut-off to promote the uniform illumination degree of entire illuminated area convenient for meeting the lighting requirement of lamps and lanterns, while realizing fool-proof design for lens according to the present utility model for lamps and lanterns.
Description
Technical field
The utility model relates to lighting technical fields, more particularly, to a kind of lens and lamps and lanterns for lamps and lanterns.
Background technique
In classroom illumination, blackboard be teacher teach writing show area, be emphasis illumination region, good illumination and uniformly
Degree concentrates attention of student, alleviation visual fatigue has vital effect.Teachers in primary and middle schools' daylighting and illumination sanitary standard
In GB7793-2010, it is desirable that student writes working face average illumination and is greater than 300lx, the uniformity greater than 0.7, it is desirable that blackboard is average
Illumination is greater than 500lx, the uniformity is greater than the illumination of 0.8 blackboard and uniformity requirements are above writing working face, it is sufficient to illustrate black
Plate illuminates the significance level in classroom illumination.
In the related technology, the blackboard lights overwhelming majority in classroom fails to meet the requirements, and mostly uses install fluorescent tube under lampshade greatly
Structure so that fluorescent tube still remains 80% or more occupation rate, the light of blackboard lights is substantially vertical to be aimed downwardly, on blackboard
Standard requirements are all not achieved in illumination and the uniformity, and indoctrination session causes vision to student under conditions of low-light (level), the low uniformity for a long time
Fatigue, influences quality of instruction, and the eyesight and achievement of final student all declines.Especially blackboard lights can not illuminate distance above blackboard
The closer part of blackboard lights, so that there are lighting dark spaces above blackboard.
Equally, wall lamp is mounted on wall bottom to project upwards, and metope is illuminated, and makes metope light distribution uniformly while most
Amount pursues illuminator level, and ideal effect is that hot spot is uniform, illumination is high, illumination region is big.However, in the related technology, wall lamp
Fail to reach ideal effect, metope bottom and wall lamp apart from close low clearance region illumination deficiency or there is light to fall to pitch, with wall
The hot spot of face higher position has obvious illumination poor, so that lighting dark space is formed on bottom.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions
There is biggish angle of cut-off to improve whole convenient for meeting the lighting requirement of lamps and lanterns for a kind of lens for lamps and lanterns out, the lens
The uniform illumination degree of a illuminated area, while realizing fool-proof design.
The utility model also proposes a kind of lamps and lanterns with said lens.
According to the lens for lamps and lanterns of the utility model first aspect embodiment, comprising: lens body, the lens sheet
Body is in bar shaped, and the outer surface of the lens body includes the plane of incidence, the first reflecting surface, the second reflecting surface and light-emitting surface, it is described enter
It penetrates face to be oppositely arranged with the light-emitting surface, and the plane of incidence is recessed to limit accommodating chamber, the appearance towards the light-emitting surface
Chamber of receiving is suitable for accommodating the light source of the lamps and lanterns, and first reflecting surface and second reflecting surface are respectively provided at the plane of incidence
The both ends of two sides, first reflecting surface are connected with the plane of incidence and the light-emitting surface respectively, and the two of second reflecting surface
End is connected with the plane of incidence and the light-emitting surface respectively, and first reflecting surface includes the multiple sub- reflectings surface being connected with each other,
Multiple sub- reflectings surface are set gradually along the direction of the plane of incidence to the light-emitting surface, and the two neighboring sub- reflecting surface exists
Curvature mutation at corresponding intersection, the both ends of the lens body are respectively equipped with the first mounting portion and the second mounting portion, described
First mounting portion is located between first reflecting surface and the light-emitting surface, and second mounting portion is located at second reflecting surface
Between the light-emitting surface, first mounting portion and second mounting portion are non-about the center longitudinal section of the lens body
Symmetrically.
According to the lens for lamps and lanterns of the utility model embodiment, by setting the first reflecting surface of lens body to
Including multiple sub- reflectings surface, and make curvature mutation of the two neighboring sub- reflecting surface at corresponding intersection, to increase
The angle of cut-off of mirror；When lens are applied to lamps and lanterns, illumination benefit can be carried out apart from lamps and lanterns closer illumination region to illuminated area
It fills, avoids forming lighting dark space apart from the closer region of lamps and lanterns in illuminated area, so that the illumination for improving entire illuminated area is equal
Evenness guarantees the good illuminating effect of lamps and lanterns, meets the lighting requirement of lamps and lanterns；Pass through the first mounting portion of setting and the second installation
Portion, and make the first mounting portion and the second mounting portion about center longitudinal section asymmetry, it ensure that the phase between lens and light source
To position precision, the fool-proof design of lens is realized.
Some embodiments according to the present utility model, second reflecting surface are continuous in G1.
Some embodiments according to the present utility model, each sub- reflecting surface are in G2 continuous.
Some embodiments according to the present utility model, the sub- reflecting surface are two, and two sub- reflectings surface are respectively
First sub- reflecting surface and the second sub- reflecting surface, the first sub- reflecting surface are arranged adjacent to the plane of incidence, the second son reflection
Face is arranged adjacent to the light-emitting surface, on the cross section of the lens body, the curvature of the projection of the first sub- reflecting surface it is big
In the curvature of the projection of the described second sub- reflecting surface.
Some embodiments according to the present utility model, the surface area of the first sub- reflecting surface are greater than the second son reflection
The surface area in face.
Some embodiments according to the present utility model, the plane of incidence include first plane of incidence, second plane of incidence and third
The plane of incidence, the third plane of incidence are oppositely arranged with the light-emitting surface, first plane of incidence be located at the third plane of incidence and
Between first reflecting surface, second plane of incidence is located between the third plane of incidence and second reflecting surface, described
The third plane of incidence is formed as free form surface, when the center longitudinal section of the lens body is arranged and the light-emitting surface is located at vertically
When the top of the third plane of incidence, one end of neighbouring first reflecting surface of the third plane of incidence is located at the third and enters
Penetrate the top of one end of neighbouring second reflecting surface in face.
Some embodiments according to the present utility model, first plane of incidence and second plane of incidence are all formed as draft
Face, the draft angle of first plane of incidence and the draft angle of second plane of incidence are unequal.
Some embodiments according to the present utility model, the light-emitting surface are formed as plane or optical microstructures array curved surface.
Some embodiments according to the present utility model, when the light-emitting surface is formed as plane, the light-emitting surface with it is described
The center longitudinal section of lens body is vertical；Alternatively, the light-emitting surface is along first reflecting surface to the side of second reflecting surface
To, be directed away from the plane of incidence with relative to the center longitudinal section tilt extend.
Some embodiments according to the present utility model, first mounting portion and the second mounting portion are both with respect to the center
Longitudinal section inclination extends.
Implement according to the lamps and lanterns of the utility model second aspect embodiment, including according to the above-mentioned first aspect of the utility model
The lens for lamps and lanterns of example.
The lighting demand of lamps and lanterns is met, is kept away by using above-mentioned lens according to the lamps and lanterns of the utility model embodiment
Exempt to form lighting dark space on illuminated area, improves the uniform illumination degree of entire illuminated area.
Some embodiments according to the present utility model, the lamps and lanterns are wall lamp or blackboard lights.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the structural schematic diagram according to the lens of the utility model embodiment；
Fig. 2 is the cross-sectional view of lens body shown in Fig. 1；
Fig. 3 is the cooperation schematic diagram of lens and light source shown in Fig. 1, wherein the propagation side of dotted line expression multi-light
To；
Fig. 4 is the cooperation schematic diagram of lens shown in Fig. 1 and light source, illuminated area, wherein dotted line indicates multi-light
The direction of propagation；
Fig. 5 is the cooperation schematic diagram of the lamps and lanterns and illuminated area according to the utility model embodiment；
Fig. 6 is the cooperation schematic diagram of the lamps and lanterns and illuminated area according to the utility model another embodiment；
Fig. 7 is the light distribution curve according to the polar coordinate representation of the lamps and lanterns of the utility model embodiment；
Fig. 8 is the light distribution curve indicated according to the rectangular co-ordinate of the lamps and lanterns of the utility model embodiment.
Appended drawing reference:
Lamps and lanterns 200,
Lens 100, illuminated area 101, light source 102,
Lens body 1, center longitudinal section 10a,
The plane of incidence 11, accommodating chamber 11a, first plane of incidence 111, second plane of incidence 112, the third plane of incidence 113,
First reflecting surface 12, intersection 120, the first sub- reflecting surface 121, the second sub- reflecting surface 122,
Second reflecting surface 13, light-emitting surface 14,
First mounting portion 21, the second mounting portion 22.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
Below with reference to Fig. 1-Fig. 6 description according to the lens 100 for lamps and lanterns 200 of the utility model embodiment.Wherein, lamp
Tool 200 can be wall lamp or blackboard lights etc..In the description below the application, it is for wall lamp, blackboard lights with lens 100
Example is illustrated.Certainly, those skilled in the art are appreciated that lens 100 can be also used for other types of lamps and lanterns
200, and it is without being limited thereto.
As shown in figs 1 to 6, according to the lens 100 for lamps and lanterns 200 of the utility model embodiment, including lens body
1。
Lens body 1 is in bar shaped, and the outer surface of lens body 1 includes the plane of incidence 11, the first reflecting surface 12, the second reflecting surface
13 and light-emitting surface 14, the plane of incidence 11 be oppositely arranged with light-emitting surface 14, and the plane of incidence 11 towards light-emitting surface 14 it is recessed with limit hold
Receive chamber 11a, accommodating chamber 11a is suitable for accommodating the light source 102 of lamps and lanterns 200, and the first reflecting surface 12 and the second reflecting surface 13 are respectively provided at
The both ends of the two sides of the plane of incidence 11, the first reflecting surface 12 are connected with the plane of incidence 11 and light-emitting surface 14 respectively, the second reflecting surface 13
Both ends are connected with the plane of incidence 11 and light-emitting surface 14 respectively, and the first reflecting surface 12 includes the multiple sub- reflectings surface being connected with each other, multiple
Sub- reflecting surface is set gradually along the direction of the plane of incidence 11 to light-emitting surface 14, and two neighboring sub- reflecting surface is at corresponding intersection 120
Curvature mutation.
For example, as Figure 1-Figure 4, lens body 1 can be elongated, and lens body 1 can be along linear extension, thoroughly
The length of mirror ontology 1 can be specifically arranged according to practical application.The plane of incidence 11 and light-emitting surface 14 can along the vertical direction (for example,
Up and down direction in Fig. 2) it is oppositely arranged, the side away from light-emitting surface 14 of accommodating chamber 11a is opened wide to accommodate light source 102, light source
102 are chosen as LED lamp bead, but not limited to this；When light source 102 is LED lamp bead, LED lamp bead can be multiple, multiple LED light
Pearl can be respectively positioned in accommodating chamber 11a and multiple LED lamp beads can be sequentially arranged along the axial direction (length direction) of lens body 1.
First reflecting surface 12 and the second reflecting surface 13 can be respectively provided at the left and right of the plane of incidence 11 (for example, the left and right in Fig. 2
Direction) two sides, one end of the first reflecting surface 12 is connected with the plane of incidence 11,14 phase of the other end of the first reflecting surface 12 and light-emitting surface
Even, one end of the second reflecting surface 13 is connected with the plane of incidence 11, the other end of the second reflecting surface 13 is connected with light-emitting surface 14, along incidence
Face 11 to the direction of light-emitting surface 14, the first reflecting surface 12 and the second reflecting surface 13 is directed away from mutual direction and extends；First is anti-
Penetrating face 12 includes multiple sub- reflectings surface, and every sub- reflecting surface is along the axially extending of lens body 1, and multiple sub- reflectings surface are along incident
The direction of face 11 to light-emitting surface 14 is set gradually, and curvature of the two neighboring sub- reflecting surface at corresponding intersection 120 mutates,
That is, curvature of one of them of two neighboring sub- reflecting surface at the intersection 120 and two neighboring sub- reflecting surface is another
One curvature at the intersection 120 is unequal, for example, direction, multiple sub- reflectings surface along the plane of incidence 11 towards light-emitting surface 14
Curvature reduce, i.e., entire first reflecting surface 12 is only continuous in G0, and every sub- reflecting surface can be continuous in G1.
When lens 100 are applied in lamps and lanterns 200, lamps and lanterns 200 can be located at the side of illuminated area 101, such as second anti-
The setting of illuminated area 101 can be may be located remotely from the setting of proximity illumination face 101, the first reflecting surface 12 by penetrating face 13；The light of light source 102 is through entering
It penetrates after face 11 reflects and is incident upon in lens body 1, a portion light is penetrated on multiple sub- reflectings surface and by multiple sub- reflectings surface
It reflexes in lens body 1, then light can be projected from light-emitting surface 14, and final light is radiated at the illuminated area 101 of lamps and lanterns 200
Such as on blackboard surface or metope.Wherein, after the reflection close to the sub- reflecting surface of the plane of incidence 11, from the light of the injection of light-emitting surface 14
Direction and lens body 1 center longitudinal section 10a between angle it is smaller, be finally radiated at illuminated area 101 apart from lamps and lanterns
In 200 farther away regions；Through close to light-emitting surface 14 sub- reflecting surface reflection after, from light-emitting surface 14 project light direction with
Angle between the center longitudinal section 10a of lens body 1 is larger, is finally radiated at the closer apart from lamps and lanterns 200 of illuminated area 101
In region, to increase the angle of cut-off of lens 100.As a result, in the premise at the smaller light beams angle for guaranteeing 200 emergent ray of lamps and lanterns
Under, illumination supplement has been carried out apart from the closer region of lamps and lanterns 200 to illuminated area 101 so that illuminated area 101 apart from lamps and lanterns
200 closer regions do not have apparent illumination poor with other regions, avoid in illuminated area 101 apart from the closer area of lamps and lanterns 200
Domain forms lighting dark space, to improve the uniform illumination degree of entire illuminated area 101.
Here, it should be noted that " reflecting surface " should broadly understood, and may include total reflection surface, i.e. through the plane of incidence
The light penetrated on a surface after 11 refractions still all reflexes in lens body 1, also may include non-total reflection surface, that is, passes through
The plane of incidence 11 penetrates light on a surface a part after reflecting reflexes in lens body 1, another part refracts to lens
In environment such as air outside ontology 1, at this time based on reflection, that is to say, that when reflecting surface is non-fully reflecting surface, be located at the table
Most of light on face reflexes in lens body 1, sub-fraction light reflects." angles of cut-off of lens 100 " can be with
Refer on the cross section of lens body 1, using the light intensity of the light projected from lens 100 for 0cd light as the angle on boundary, section
Only in angular region, the light intensity of the light projected from lens 100 is all larger than 0cd.The meaning of " plurality " is two or more.
The both ends (for example, left and right ends in Fig. 2) of lens body 1 are respectively equipped with the first mounting portion 21 and the second mounting portion
22, the first mounting portion 21 can be located at one end of lens body 1 and the first mounting portion 21 is located at the first reflecting surface 12 and light-emitting surface
Between 14, the first mounting portion 21 can protrude the outer surface setting of lens body 1；Second mounting portion 22 can be located at lens body
1 other end and the second mounting portion 22 is located between the second reflecting surface 13 and light-emitting surface 14, the second mounting portion 22 can protrude
The outer surface of mirror ontology 1 is arranged, and the first mounting portion 21 and the second mounting portion 22 are non-about the center longitudinal section 10a of lens body 1
Symmetrically.As a result, by the way that the first mounting portion 21 and the second mounting portion 22 is respectively set at the both ends of lens body 1, it is convenient for lens
100 are mounted on the other component such as shell of lamps and lanterns 200 by the first mounting portion 21 and the second mounting portion 22, to facilitate
The assembling of lamps and lanterns 200, while ensure that the relative position between lens 100 and light source 102 within the scope of tolerances in design；Passing through will
First mounting portion 21 and the second mounting portion 22 are set to off the center longitudinal section 10a asymmetry in lens body 1, realize lens
100 fool-proof design so that operator may not need overspending attention, can be straight without experience and professional knowledge etc.
It connects and inerrably completes corresponding correctly operation, facilitate the operation of lens 100, use.
Here, it should be noted that " relative position between lens 100 and light source 102 is within the scope of tolerances in design " can
To refer to lens 100 in the design process, light source 102 have its ideal mounting position, lens 100 in actual application, light
There are errors between the actual installation position and its ideal mounting position in source 102, and the error is within the scope of tolerances in design.Wherein,
The ideal mounting position of light source 102 can be any position in accommodating chamber 11a, can be specifically arranged according to design requirement.
According to the lens 100 for lamps and lanterns 200 of the utility model embodiment, by the way that the first of lens body 1 is reflected
Face 12 is set as including multiple sub- reflectings surface, and makes curvature mutation of the two neighboring sub- reflecting surface at corresponding intersection 120,
To increase the angle of cut-off of lens 100；It, can be to illuminated area 101 apart from lamps and lanterns when lens 100 are applied to lamps and lanterns 200
200 closer illumination regions carry out illumination supplement, avoid illuminating in being formed apart from the closer region of lamps and lanterns 200 for illuminated area 101
Dark space guarantees the good illuminating effect of lamps and lanterns 200, meets lamps and lanterns to improve the uniform illumination degree of entire illuminated area 101
200 lighting requirement；By the first mounting portion 21 of setting and the second mounting portion 22, and make the first mounting portion 21 and the second installation
Portion 22 ensure that the relative positional accuracy between lens 100 and light source 102, realize about center longitudinal section 10a asymmetry
The fool-proof design of mirror 100.
In some specific embodiments of the utility model, the second reflecting surface 13 is continuous in G1, so that it is anti-to facilitate second
Penetrate the processing in face 13.Certainly, the second reflecting surface 13 can also or G3 continuous at G2 it is continuous or higher order is continuous.
Specifically, as Figure 1-Figure 4, the second reflecting surface 13 can be formed as curved surface, and the light of light source 102 is through the plane of incidence 11
It is incident upon after refraction in lens body 1, a portion light is penetrated on the second reflecting surface 13 and reflexed to by the second reflecting surface 13
In lens body 1, then light can be projected from light-emitting surface 14, and the direction of the light projected from light-emitting surface 14 and lens body
Angle between 1 center longitudinal section 10a is smaller, be finally radiated at illuminated area 101 in the farther away region of lamps and lanterns 200,
To be further ensured that the angle of cut-off of lens 100, guarantee the illuminating effect of lamps and lanterns 200.
It is understood that the setting of the second reflecting surface 13 can also be set as other shapes according to actual needs.For example,
Second reflecting surface 13 can also be arranged symmetrically with the first reflecting surface 12 about the center longitudinal section 10a of lens body 1, at this time entirely
Second reflecting surface 13 is only continuous in G0, but not limited to this.
In some alternative embodiments of the utility model, every sub- reflecting surface is in G2 continuous, in order to sub- reflecting surface
Molding.Certainly, every sub- reflecting surface can also be in that G3 is continuous or higher order is continuous.It is understood that multiple sub- reflections
The continuity in face can be identical or not identical.
In some specific embodiments of the utility model, as Figure 1-Figure 4, sub- reflecting surface is two, and two sons are anti-
The face of penetrating is respectively the first sub- reflecting surface 121 and the second sub- reflecting surface 122, and the first sub- reflecting surface 121 is arranged adjacent to the plane of incidence 11, the
Two sub- reflectings surface 122 are arranged adjacent to light-emitting surface 14, on the cross section of lens body 1, the song of the projection of the first sub- reflecting surface 121
Rate be greater than the second sub- reflecting surface 122 projection curvature, thus ensure that light after the reflection of the first sub- reflecting surface 121, from
Angle between the center longitudinal section 10a in direction and lens body 1 that light-emitting surface 14 projects is smaller, is finally radiated at illuminated area
101 in the farther away region of lamps and lanterns 200, ensure that light is penetrated after the reflection of the second sub- reflecting surface 122, from light-emitting surface 14
Angle between the direction of light out and the center longitudinal section 10a of lens body 1 is larger, is finally radiated at illuminated area 101
In the closer region of lamps and lanterns 200, while the structure of the first reflecting surface 12 is simplified, facilitates adding for the first reflecting surface 12
Work.First sub- reflecting surface 121 and the second sub- reflecting surface 122 can be all formed as curved surface, on the cross section of lens body 1,
The slope of the projection of one sub- reflecting surface 121 can be gradually reduced along the direction of the plane of incidence 11 to light-emitting surface 14；Wherein, slope refers to
Folder tangent of an angle between tangent line and axis of abscissas, axis of abscissas are the center longitudinal section 10a of lens body 1 in lens body 1
Cross section on projection.
Here, it should be noted that " curved surface " is the relative concept of " plane ".Certainly, sub- reflecting surface can also be two
More than, such as sub- reflecting surface can also be three, four etc..
Optionally, as Figure 1-Figure 4, the surface area of the first sub- reflecting surface 121 is greater than the surface of the second sub- reflecting surface 122
Product, when lens 100 are applied in lamps and lanterns 200, the light of light source 102 is incident upon in lens body 1 after the refraction of the plane of incidence 11, wherein
A part of light is penetrated on the first sub- reflecting surface 121 and the second sub- reflecting surface 122, after the reflection of the first sub- reflecting surface 121, from
Angle between the direction of light that light-emitting surface 14 projects and the center longitudinal section 10a of lens body 1 is smaller, is finally radiated at photograph
Bright face 101 in the farther away region of lamps and lanterns 200；After the reflection of the second sub- reflecting surface 122, from the light of the injection of light-emitting surface 14
Angle between the direction of line and the center longitudinal section 10a of lens body 1 is larger, be finally radiated at illuminated area 101 apart from lamp
Have in 200 closer regions.In actual application due to lamps and lanterns 200, lamps and lanterns 200 are located at the side of illuminated area 101, and lamp
Tool 200 be located at illuminated area 101 neighbouring lamps and lanterns 200 one end the separate other end side so that illuminated area 101 apart from lamp
Have the area in area farther away region of lamps and lanterns 200 at a distance from illuminated area 101 in 200 closer regions compared to smaller, thus according to
The illumination needed for the closer region of lamps and lanterns 200 in bright face 101 is relatively small, convenient for the use of lamps and lanterns 200, improves lamps and lanterns
200 practicability.
It is understood that the surface area of multiple sub- reflectings surface can be along the plane of incidence when group reflecting surface is more than two
11 reduce towards the direction of light-emitting surface 14.
In some specific embodiments of the utility model, the plane of incidence 11 includes first plane of incidence 111, second plane of incidence
112 and the third plane of incidence 113, the third plane of incidence 113 be oppositely arranged with light-emitting surface 14, first plane of incidence 111 be located at third incidence
Between face 113 and the first reflecting surface 12, second plane of incidence 112 is located between the third plane of incidence 113 and the second reflecting surface 13, third
The plane of incidence 113 is formed as free form surface, when the center longitudinal section 10a of lens body 1 is arranged and light-emitting surface 14 is located at third vertically
When the top of the plane of incidence 113, one end of neighbouring first reflecting surface 12 of the third plane of incidence 113 is located at the neighbour of the third plane of incidence 113
The top of one end of nearly second reflecting surface 13.
For example, the third plane of incidence 113 and light-emitting surface 14 can be along the vertical direction (for example, Fig. 2 in the example of Fig. 1-Fig. 4
In up and down direction) face setting, the third plane of incidence 113 is formed as free form surface so that the third plane of incidence 113 have it is good
Good design flexibility.One end of first plane of incidence 111 can be connected with one end of the third plane of incidence 113, first plane of incidence 111
The other end can be connected with one end of the first reflecting surface 12, one end of second plane of incidence 112 can be with the third plane of incidence 113
The other end is connected, the other end of second plane of incidence 112 can be connected with the second reflecting surface 13.It is cut when the center of lens body 1 is vertical
When face 10a is arranged vertically and light-emitting surface 14 is located at the surface of the third plane of incidence 113, above-mentioned one end position of the third plane of incidence 113
In the top of the above-mentioned other end of the third plane of incidence 113, the middle part of the third plane of incidence 113 can be directed away from the side of light-emitting surface 14
It is arranged to protrusion, so that the third plane of incidence 113 is located at the 1 center longitudinal section side 10a of lens body (for example, the left side in Fig. 2
Side) part be located at the third plane of incidence 113 be located at the 1 center longitudinal section other side 10a of lens body (for example, the right side in Fig. 2
Side) another part upside, to be incident upon light in lens body 1 after the refraction of the above-mentioned part of the third plane of incidence 113
It can be propagated towards the other side of 1 center longitudinal section 10a of lens body, to realize polarization effect, and then guarantee cutting for lens 100
Only angle guarantees the practicability of lamps and lanterns 200.
Here, it should be noted that " free form surface " refers to the curved surface with the molding arbitrariness of traditional processing, and
It cannot be by the curved surface of one or more polynomial expressions, for example, free form surface cannot pass through a polynomial expression, or freedom
Curved surface cannot cannot have good design by three polynomial expressions etc. by two polynomial expressions or free form surface
Flexibility；The light light intensity in one direction that " polarisation " can be understood as after lens 100 reflect is larger compared with strong or angle, matches
It is polarisation that light curve is anisopleual along optical axis direction.
Further, as shown in Figures 2 and 3, first plane of incidence 111 and second plane of incidence 112 are all formed as draft face, and
First plane of incidence 111 and second plane of incidence 112 can be all formed as plane, along light-emitting surface 14 towards the side of the third plane of incidence 113
Mutual direction is directed away to, first plane of incidence 111 and second plane of incidence 112 to extend, the draft angle of first plane of incidence 111 with
The draft angle of second plane of incidence 112 is unequal, so that first plane of incidence 111 and second plane of incidence 112 all have good design
Flexibility, consequently facilitating the further uniform illumination degree of adjustment illuminated area 101, while lens body 1 being made preferably to be detached from mould
Tool, avoids lens body 1 during break away from moulds, rubs larger and scratch lens body between lens body 1 and mold
1, play the role of protecting lens body 1, guarantees the processing efficiency of lens body 1.Wherein, the draft of first plane of incidence 111
Angle can angle between first plane of incidence 111 and the center longitudinal section 10a of lens body 1, the draft of second plane of incidence 112
Angle can angle between second plane of incidence 112 and the center longitudinal section 10a of lens body 1, the draft of first plane of incidence 111
The size of the draft angle of angle and second plane of incidence 112 can be arranged according to practical application, such as the draft angle of first plane of incidence 111
1 °~3 ° can be all satisfied with the range of the draft angle of second plane of incidence 112.
It is understood that the draft angle of first plane of incidence 111 can also be equal with the draft angle of second plane of incidence 112,
Further to promote the design flexibility of first plane of incidence 111 and second plane of incidence 112.
In some alternative embodiments of the utility model, as shown in Figure 1-Figure 3, light-emitting surface 14 is formed as plane, thus
The structure for simplifying light-emitting surface 14 simplifies the processing technology of light-emitting surface 14, convenient for the processing of lens body 1.Wherein, light-emitting surface
14 can be vertical with the center longitudinal section 10a of lens body 1, at this time the center longitudinal section 10a of light-emitting surface 14 and lens body 1 it
Between angle be right angle；Alternatively, the angle between light-emitting surface 14 and the center longitudinal section 10a of lens body 1 is acute angle, go out at this time
Smooth surface 14 can along the first reflecting surface 12 towards second direction face direction, be directed away from the direction of the plane of incidence 11 relative to center
10a inclination in longitudinal section extends, that is to say, that when the center longitudinal section 10a of lens body 1 is arranged and light-emitting surface 14 is located at vertically
When the top of the plane of incidence 11, one end of neighbouring first reflecting surface 12 of light-emitting surface 14 is located at neighbouring second reflecting surface of light-emitting surface 14
The lower section of 13 one end, to be further ensured that the polarization effect of lens 100.
In other alternative embodiments of the utility model, light-emitting surface 14 is formed as optical microstructures array curved surface (figure
It is not shown), each micro-structure is the plane of polarisation with same curvature, forms the light intensity point of required 101 Uniform Illumination of illuminated area
Cloth；The curvature in each micro-structure face is descending gradual transition, and the smaller change rate of curvature is more slow, and overall curvature variation range is small
In 45 °.
Optionally, the first mounting portion 21 and the second mounting portion 22 are tilted both with respect to center longitudinal section 10a extends.For example,
As Figure 1-Figure 4, the first mounting portion 21 and the second mounting portion 22 can be all formed as plate structure, and the first mounting portion 21
Outer surface and the outer surface of the second mounting portion 22 can be all formed as plane, and the first mounting portion 21 and the second mounting portion 22 can be equal
Incline towards the direction of the second reflecting surface 13 relative to center longitudinal section 10a along the plane of incidence 11 to light-emitting surface 14, the first reflecting surface 12
Tiltedly extend, the angle between the first mounting portion 21 and center longitudinal section 10a can be acute angle, the second mounting portion 22 and center at this time
Angle between the 10a of longitudinal section can be acute angle, so that the structure of the first mounting portion 21 and the second mounting portion 22 is simplified, it is convenient
The processing of lens 100.
Certainly, the first mounting portion 21 and the second mounting portion 22 can also be reflected along the plane of incidence 11 to light-emitting surface 14, second
Face 13, which is tilted towards the direction of the first reflecting surface 12 relative to center longitudinal section 10a, to be extended, and adding for lens 100 is equally facilitated
Work.
It is understood that the first mounting portion 21 and the second mounting portion 22 may be formed as other shapes, towards other
Direction extends, and need to only guarantee that the first mounting portion 21 and the second mounting portion 22 are asymmetric about the center longitudinal section 10a of lens body 1
?.
According to the lamps and lanterns 200 of the utility model second aspect embodiment, including according to the above-mentioned first aspect of the utility model
The lens 100 for lamps and lanterns 200 of embodiment.
The photograph of lamps and lanterns 200 is met by using above-mentioned lens 100 according to the lamps and lanterns 200 of the utility model embodiment
Bright demand avoids forming lighting dark space on illuminated area 101, improves the uniform illumination degree of entire illuminated area 101.
According to other compositions of the lamps and lanterns 200 of the utility model embodiment and operate for those of ordinary skill in the art
For be all it is known, be not detailed herein.
Lamp is used for according to the utility model embodiment with a specific embodiment detailed description below with reference to Fig. 1-Fig. 8
The lens 100 of tool 200.It is worth understanding, it is described below to be merely illustrative, rather than to the specific limit of utility model
System.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ",
The orientation or positional relationship of the instructions such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", " axial direction " is base
In orientation or positional relationship shown in the drawings, be merely for convenience of describing the present invention and simplifying the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as
Limitations of the present invention.
As Figure 1-Figure 4, lens 100 are TIR lens, and TIR lens have organically combined refraction and principle of reflection, convenient for real
The light beam of existing low-angle, the advantage incomparable with other kinds of lens on realization low-angle, arrow beam of light, while light transmission
90% or more rate height.Lens 100 include lens body 1, and lens body 1 is elongated and lens body 1 is straight along the longitudinal direction
Line extends；The outer surface of lens body 1 includes the plane of incidence 11, the first reflecting surface 12, the second reflecting surface 13 and light-emitting surface 14, out light
Face 14 is formed as plane, and light-emitting surface 14 is vertical with the center longitudinal section 10a of lens body 1；The plane of incidence 11 includes first incident
Face 111, second plane of incidence 112 and the third plane of incidence 113, the third plane of incidence 113 and about 14 face of light-emitting surface are arranged, and first is anti-
Penetrate face 12 and the second reflecting surface 13 be respectively provided at the two sides of the plane of incidence 11, the both ends of the first reflecting surface 12 respectively with the plane of incidence 11 and
Light-emitting surface 14 is connected, and the both ends of the second reflecting surface 13 are connected with the plane of incidence 11 and light-emitting surface 14 respectively, and first plane of incidence 111 is located at
Between the third plane of incidence 113 and the first reflecting surface 12, second plane of incidence 112 is located at the third plane of incidence 113 and the second reflecting surface 13
Between, the third plane of incidence 113 is formed as free form surface；When the center longitudinal section 10a of lens body 1 is arranged and light-emitting surface vertically
14 when being located at the top of the third plane of incidence 113, and it is incident that one end of neighbouring first reflecting surface 12 of the third plane of incidence 113 is located at third
The top of one end of neighbouring second reflecting surface 13 in face 113.
First plane of incidence 111 and second plane of incidence 112 are all formed as draft face, and first plane of incidence 111 and second is incident
Face 112 can be all formed as plane, enter along light-emitting surface 14 towards the direction of the third plane of incidence 113, first plane of incidence 111 and second
It penetrates face 112 and is directed away from mutual direction and extend, the draft angle of the draft angle of first plane of incidence 111 and second plane of incidence 112 is not
Equal, so that the plane of incidence 11 is recessed to limit accommodating chamber 11a towards light-emitting surface 14, accommodating chamber 11a is suitable for accommodating lamps and lanterns 200
Light source 102, light source 102 are multiple multiple LED lamp beads spaced apart along the longitudinal direction.
First reflecting surface 12 includes two sub- reflectings surface being connected with each other, and two sub- reflectings surface are along the plane of incidence 11 to light-emitting surface
14 direction is set gradually, and every sub- reflecting surface is in G2 continuous, and two sub- reflectings surface are respectively the first sub- reflecting surface 121 and the
Two sub- reflectings surface 122, the first sub- reflecting surface 121 and the second sub- reflecting surface 122 intersect to form intersection 120, and intersection 120 is along front and back
Direction horizontal extension；First sub- reflecting surface 121 is arranged adjacent to the plane of incidence 11, and the second sub- reflecting surface 122 is arranged adjacent to light-emitting surface 14,
On the cross section of lens body 1, the curvature of the projection of the first sub- reflecting surface 121 be greater than the projection of the second sub- reflecting surface 122
Curvature, on the cross section of lens body 1, intersection 120 be projected as a point, the first sub- being projected in for reflecting surface 121 change the time
The curvature at place and the curvature of the second sub- reflecting surface 122 projected at this point are unequal, and the surface area of the first sub- reflecting surface 121 is big
In the surface area of the second sub- reflecting surface 122.Second reflecting surface 13 is formed as curved surface, along the plane of incidence 11 to light-emitting surface 14 direction,
First reflecting surface 12 and the second reflecting surface 13 are directed away from mutual direction and extend.
Further, as shown in Figure 1-Figure 3, the left and right ends of lens body 1 are respectively equipped with the first mounting portion 21 and second
Mounting portion 22, the first mounting portion 21 are located between the first reflecting surface 12 and light-emitting surface 14, and the first mounting portion 21 protrudes lens body 1
Outer surface setting, the second mounting portion 22 is located between the second reflecting surface 13 and light-emitting surface 14, and the second mounting portion 22 protrudes lens
The outer surface of ontology 1 is arranged, and the first mounting portion 21 and the second mounting portion 22 be not right about the center longitudinal section 10a of lens body 1
Claim.
As Figure 1-Figure 4, in use, lens 100 are located at the side of illuminated area 101 (for example, Fig. 4 to lens 100
Left side), the center longitudinal section 10a of lens body 1 can be arranged in parallel with illuminated area 101, certainly, the center of lens body 1
Longitudinal section 10a can also with illuminated area 101 is angled is obliquely installed, and lens 100 are located at the lower section of illuminated area 101 and set
It sets, that is to say, that lens 100 are located at the obliquely downward of illuminated area, and light source 102 is placed in accommodating chamber 11a.The light that light source 102 issues
The propagation path of line can be roughly divided into six classes, the propagation path of these six types of light be respectively propagation path in Fig. 3 1., propagate
Path 2., propagation path 3., propagation path 4., propagation path 5., propagation path 6..
Specifically, the center of lens body 1 can be parallel to by the surface of light source 102 along 1. light that propagation path is propagated
Longitudinal section 10a outgoing, is mapped to the middle position of the third plane of incidence 113, and the direction of propagation is constant, still to be parallel to lens body
The direction of 1 center longitudinal section 10a reflects from light-emitting surface 14 and is gone out；The light 2. propagated along propagation path can be by light source 102
Surface upwards, to the left to be emitted with the lesser angle of center longitudinal section 10a, be mapped to the third plane of incidence 113 is located at that center is vertical to be cut
The left part of face 10a then deviates from center longitudinal section 10a from light-emitting surface 14 and reflects to the right to reflect, outgoing
Angle between light and center longitudinal section 10a is smaller；The light 3. propagated along propagation path can from the surface of light source 102 to
Above, to the right to be emitted with the lesser angle of center longitudinal section 10a, be mapped to the third plane of incidence 113 is located at center longitudinal section 10a's
Right part then deviates from center longitudinal section 10a from light-emitting surface 14 and reflects to the right to reflect, and emergent ray is in
Angle between the 10a of heart longitudinal section is larger；The light 4. propagated along propagation path can by light source 102 surface upwards, to the left
To be emitted with the biggish angle of center longitudinal section 10a, it is mapped on the first sub- reflecting surface 121, after the first sub- reflecting surface 121 reflects
Center longitudinal section 10a is deviated from from light-emitting surface 14 to reflect to the right, the angle between emergent ray and center longitudinal section 10a compared with
It is small；The light 5. propagated along propagation path can by light source 102 surface upwards, to the left with lesser with center longitudinal section 10a
Angle outgoing, is mapped on the second sub- reflecting surface 122, deviates from center from light-emitting surface 14 after the second sub- reflecting surface 122 reflects and indulges
Section 10a is reflected to the right, and the angle between emergent ray and center longitudinal section 10a is larger；It is 5. propagated along propagation path
Light can by light source 102 surface upwards, to the right to be emitted with the biggish angle of center longitudinal section 10a, be mapped to the second reflection
On face 13, through the second reflecting surface 13 reflection after collimation project and from light-emitting surface 14 deviate from center longitudinal section 10a reflect to the right and
Out, the angle between emergent ray and center longitudinal section 10a is smaller.
When lens 100 are applied to 200 such as wall lamp of lamps and lanterns, as shown in Figure 4 and Figure 5, illuminated area 101 can be metope
A part, lamps and lanterns 200 are located at the lower section of illuminated area 101, and the angle of cut-off α of lamps and lanterns 200 can be specifically arranged according to actual needs.
When lens 100 are applied to lamps and lanterns such as blackboard lights, as Figure 6-Figure 8, illuminated area 101 can be the plate face of blackboard, lamps and lanterns
200 are located at the top of illuminated area 101, have apparent polarization effect, and carried out effective illumination on the top of illuminated area 101
Supplement, improves the uniform illumination degree of illuminated area 101, avoids the occurrence of lighting dark space, cut-off angle >=35 ° of lamps and lanterns 200, specifically
Ground, β=90 °, to meet the lighting requirement of blackboard lights.
According to the lens 100 of the utility model embodiment, structure is simple, is easy to implement, and maintains lesser beam angle, tool
Have biggish angle of cut-off, and lens 100 are easy for installation, can to illuminated area 101 apart from lamps and lanterns 200 closer illumination regions into
Row illumination supplement avoids forming lighting dark space apart from the closer region of lamps and lanterns 200 in illuminated area 101, to improve entire
The uniform illumination degree of illuminated area 101 guarantees the good illuminating effect of lamps and lanterns 200, meets the lighting requirement of lamps and lanterns 200；It protects simultaneously
The relative positional accuracy between lens 100 and light source 102 has been demonstrate,proved, the fool-proof design of lens 100 is realized.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (12)
1. a kind of lens for lamps and lanterns characterized by comprising
Lens body, the lens body are in bar shaped, and the outer surface of the lens body includes the plane of incidence, the first reflecting surface, the
Two reflectings surface and light-emitting surface, the plane of incidence are oppositely arranged with the light-emitting surface, and the plane of incidence is recessed towards the light-emitting surface
Enter to limit accommodating chamber, the accommodating chamber is suitable for accommodating the light source of the lamps and lanterns, and first reflecting surface and described second is instead
The face of penetrating is respectively provided at the two sides of the plane of incidence, the both ends of first reflecting surface respectively with the plane of incidence and the light-emitting surface
It is connected, the both ends of second reflecting surface are connected with the plane of incidence and the light-emitting surface respectively, and first reflecting surface includes
The multiple sub- reflectings surface being connected with each other, multiple sub- reflectings surface are successively set along the plane of incidence to the direction of the light-emitting surface
It sets, curvature mutation of the two neighboring sub- reflecting surface at corresponding intersection,
The both ends of the lens body are respectively equipped with the first mounting portion and the second mounting portion, and first mounting portion is located at described
Between one reflecting surface and the light-emitting surface, second mounting portion is located between second reflecting surface and the light-emitting surface, institute
It states the first mounting portion and second mounting portion is asymmetric about the center longitudinal section of the lens body.
2. the lens according to claim 1 for lamps and lanterns, which is characterized in that second reflecting surface is continuous in G1.
3. the lens according to claim 1 for lamps and lanterns, which is characterized in that each sub- reflecting surface is in that G2 connects
It is continuous.
4. the lens according to claim 1 for lamps and lanterns, which is characterized in that the sub- reflecting surface is two, two institutes
Stating sub- reflecting surface is respectively the first sub- reflecting surface and the second sub- reflecting surface, and the first sub- reflecting surface is set adjacent to the plane of incidence
It sets, the second sub- reflecting surface is arranged adjacent to the light-emitting surface, on the cross section of the lens body, the first son reflection
The curvature of the projection in face is greater than the curvature of the projection of the described second sub- reflecting surface.
5. the lens according to claim 4 for lamps and lanterns, which is characterized in that the surface area of the first sub- reflecting surface is big
In the surface area of the described second sub- reflecting surface.
6. the lens according to claim 1 for lamps and lanterns, which is characterized in that the plane of incidence include first plane of incidence,
Second plane of incidence and the third plane of incidence, the third plane of incidence are oppositely arranged with the light-emitting surface, and first plane of incidence is located at
Between the third plane of incidence and first reflecting surface, second plane of incidence is located at the third plane of incidence and described second
Between reflecting surface, the third plane of incidence is formed as free form surface,
When the center longitudinal section of the lens body is arranged and the light-emitting surface is located at the top of the third plane of incidence vertically
When, one end of neighbouring first reflecting surface of the third plane of incidence is located at the anti-adjacent to described second of the third plane of incidence
Penetrate the top of the one end in face.
7. the lens according to claim 6 for lamps and lanterns, which is characterized in that first plane of incidence and described second enters
The face of penetrating is all formed as draft face, and the draft angle of first plane of incidence and the draft angle of second plane of incidence are unequal.
8. the lens according to claim 1 for lamps and lanterns, which is characterized in that the light-emitting surface is formed as plane or optics
Micro structure array curved surface.
9. the lens according to claim 8 for lamps and lanterns, which is characterized in that when the light-emitting surface is formed as plane,
The light-emitting surface is vertical with the center longitudinal section of the lens body；Alternatively,
The light-emitting surface along first reflecting surface to second reflecting surface direction, be directed away from the plane of incidence with opposite
It tilts and extends in the center longitudinal section.
10. the lens according to claim 1 for lamps and lanterns, which is characterized in that first mounting portion and the second installation
Portion is tilted both with respect to the center longitudinal section to be extended.
11. a kind of lamps and lanterns, which is characterized in that including the lens according to claim 1 to 10 for lamps and lanterns.
12. lamps and lanterns according to claim 11, which is characterized in that the lamps and lanterns are wall lamp or blackboard lights.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821036514.2U CN208295823U (en) | 2018-07-02 | 2018-07-02 | Lens and lamps and lanterns for lamps and lanterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821036514.2U CN208295823U (en) | 2018-07-02 | 2018-07-02 | Lens and lamps and lanterns for lamps and lanterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208295823U true CN208295823U (en) | 2018-12-28 |
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ID=64700080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821036514.2U Active CN208295823U (en) | 2018-07-02 | 2018-07-02 | Lens and lamps and lanterns for lamps and lanterns |
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| Country | Link |
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| CN (1) | CN208295823U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007390A (en) * | 2019-05-21 | 2019-07-12 | 青岛亿联客信息技术有限公司 | A kind of asymmetrical beam distribution of illumination optical system and lighting device |
| CN111503558A (en) * | 2020-04-27 | 2020-08-07 | 江苏好视想电子实业有限公司 | High degree of consistency L ED blackboard lamp lens of low coverage installation |
| CN112728502A (en) * | 2020-12-31 | 2021-04-30 | 美智光电科技股份有限公司 | Lens and lamp |
| CN114719226A (en) * | 2022-04-28 | 2022-07-08 | 深圳市电明科技股份有限公司 | Lens strip, grading lens, bar lamp and road lighting device |
| CN115356876A (en) * | 2022-08-29 | 2022-11-18 | 北京京东方显示技术有限公司 | Front light source and display device |
| CN110007390B (en) * | 2019-05-21 | 2024-06-28 | 青岛亿联客信息技术有限公司 | Asymmetric light distribution illumination optical system and illumination device |
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2018
- 2018-07-02 CN CN201821036514.2U patent/CN208295823U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007390A (en) * | 2019-05-21 | 2019-07-12 | 青岛亿联客信息技术有限公司 | A kind of asymmetrical beam distribution of illumination optical system and lighting device |
| CN110007390B (en) * | 2019-05-21 | 2024-06-28 | 青岛亿联客信息技术有限公司 | Asymmetric light distribution illumination optical system and illumination device |
| CN111503558A (en) * | 2020-04-27 | 2020-08-07 | 江苏好视想电子实业有限公司 | High degree of consistency L ED blackboard lamp lens of low coverage installation |
| CN111503558B (en) * | 2020-04-27 | 2023-07-25 | 江苏好视想电子实业有限公司 | Close-range installation high-uniformity LED blackboard lamp lens |
| CN112728502A (en) * | 2020-12-31 | 2021-04-30 | 美智光电科技股份有限公司 | Lens and lamp |
| CN112728502B (en) * | 2020-12-31 | 2022-12-06 | 美智光电科技股份有限公司 | Lens and lamp |
| CN114719226A (en) * | 2022-04-28 | 2022-07-08 | 深圳市电明科技股份有限公司 | Lens strip, grading lens, bar lamp and road lighting device |
| CN115356876A (en) * | 2022-08-29 | 2022-11-18 | 北京京东方显示技术有限公司 | Front light source and display device |
| CN115356876B (en) * | 2022-08-29 | 2024-06-11 | 北京京东方显示技术有限公司 | Front-mounted light source and display device |
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Address after: 335400 Guixi Industrial Park No. 1, Yingtan City, Jiangxi Province Co-patentee after: Midea Group Co., Ltd. Patentee after: Meizhi Photoelectric Technology Co., Ltd. Address before: 335400 Guixi Industrial Park No. 1, Yingtan City, Jiangxi Province Co-patentee before: Midea Group Co., Ltd. Patentee before: Jiangxi Meidi Guiya Lighting Co., Ltd. |
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Effective date of registration: 20200605 Address after: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Patentee after: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Co-patentee before: MIDEA GROUP Co.,Ltd. Patentee before: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |
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Address after: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Patentee after: Meizhi Optoelectronic Technology Co., Ltd Address before: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Patentee before: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |