CN202835180U - Light emitting diode (LED) lens and LED lamp using LED lens - Google Patents

Light emitting diode (LED) lens and LED lamp using LED lens Download PDF

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Publication number
CN202835180U
CN202835180U CN2012204067312U CN201220406731U CN202835180U CN 202835180 U CN202835180 U CN 202835180U CN 2012204067312 U CN2012204067312 U CN 2012204067312U CN 201220406731 U CN201220406731 U CN 201220406731U CN 202835180 U CN202835180 U CN 202835180U
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CN
China
Prior art keywords
led
lens
led light
light source
annular bottom
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2012204067312U
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Chinese (zh)
Inventor
丁耿林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN ZHONGMING SEMICONDUCTOR LIGHTING CO Ltd
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SHENZHEN ZHONGMING SEMICONDUCTOR LIGHTING CO Ltd
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Publication date
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Priority to CN2012204067312U priority Critical patent/CN202835180U/en
Application granted granted Critical
Publication of CN202835180U publication Critical patent/CN202835180U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a light emitting diode (LED) lens and an LED lamp using the LED lens, wherein the LED lens comprises a ring-shaped top surface, a ring-shaped top surface, an outer diameter surface and an inner diameter surface, the outer diameter surface is formed by encircling a first line around a medial axis of the ring-shaped bottom surface to rotate, the inner diameter surface is formed by encircling a second line around the medial axis of the ring-shaped bottom surface to rotate, and an LED mold cavity which is used to contain an LED light source is arranged on the ring-shaped bottom surface. The LED lens can obtain different optical effects by adjusting curvatures of the inner diameter surface, the outer diameter surface, a bottom surface or a top surface, thereby achieving the purpose of adjusting light distribution. The LED lens and the LED lamp using the LED lens are simple in design and structure, and can avoid a phenomenon that the LED light source is cooled too intensively through the LED mold cavity which is arranged on the bottom surface of the LED lens.

Description

A kind of LED lens and use the LED light fixture of these lens
Technical field
The utility model relates to field of lamp illumination, more particularly, relates to a kind of LED lens and uses the LED light fixture of these lens.
Background technology
Along with the continuous lifting of LED luminescence technology and perfect, the advantages such as the energy-conservation and environmental protection of LED more and more are subject to liking of people and approve.Therefore the LED illumination is also just come into huge numbers of families with paces fast.
In order to obtain the various light effects that go out, LED illumination industry is new technology and the scheme of design constantly.Wherein the saturating border of LED is exactly a main light effect design, and the bright dipping that it not only can change light fixture distributes, and also can change light effect, makes it to reach the effects such as better Lighting Design demand.The LED illuminating industry mainly contains following several to the design in saturating border at present:
The saturating border of single LEDs: the owner of throwing light at present will select the PMMA material to design, and mainly changes single LEDs in the distribution of solid space bright dipping, changes the light fixture rising angle and goes out out luminous intensity, is mainly used in shot-light class isotropy shot-light.
The saturating border of plurality of LEDs: and single LEDs effect is similar, just reach a certain photoelectric parameter and single LEDs can't reach the photoelectric properties of its design and require the time at the light fixture product requirement, we can select the plurality of LEDs combination of light sources to meet design requirement, and therefore need the corresponding thoroughly border of design and plurality of LEDs light source coupling.
The LED light-guiding pillar: light-guiding pillar has number of different types at present, mainly contains lower a few class:
1, decorative kind light-guiding pillar: LED adds light-guiding pillar and makes it to allow light source have third dimension, and light is more bright, and is charming.
2, diffused light light-guiding pillar: LED light is broken up, made light more even, rising angle is larger.
3, change the light direction light-guiding pillar: change the light direction of led light source, cooperate again other accessory design to reach desirable bright dipping design effect.
More than all LED light-guiding pillars common characteristics are arranged, be exactly when the design led light source cooperates light-guiding pillar, led light source is often all selected single high-power LED light source, or select the integrated center LED light emitting source of multicore, perhaps be arranged into an integrated light source by several LEDs combination of light sources, then direct cooperated with LED light-guiding pillar changes the spatial distribution of light source.This light source be distributed with a shortcoming: be exactly that light source and heat are too concentrated, affect the heat radiation of LED, and then affect the luminous efficiency of LED.
In addition, the saturating border of LED at present most of thoroughly border is designed to taper shape, it generally also is circular that hot spot distributes, the light special for some special product needed distributes, and often need to realize that by secondary optics or three optical principles its light distributes, for example need a leg-of-mutton hot spot, tetragonal hot spot etc., this has just caused the complexity on the LED Lens Design.
The utility model content
The technical problems to be solved in the utility model is, for the defects of prior art, a kind of LED lens is provided and uses the LED light fixture of these lens.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of LED lens, comprise annular top surface, annular bottom surface, outer diametric plane and aperture surface, wherein, described outer diametric plane is formed by the axis rotation of the first lines around described annular bottom surface, and described aperture surface is formed by the axis rotation of the second lines around described annular bottom surface; Described annular bottom surface is provided with a plurality of LED die cavitys be used to holding led light source.
LED lens described in the utility model, wherein, described aperture surface comprises circle, square or triangle at the cross sectional shape that is parallel on the direction of described annular bottom surface.
LED lens described in the utility model, wherein, described the second lines are straight line, the axis of described straight line and described annular bottom surface is at an angle.
LED lens described in the utility model, wherein, described the second lines are curve, the angle that the tangent line of described curve and described annular bottom surface axis are reduces gradually along the direction from described annular top surface to described annular bottom surface.
LED lens described in the utility model wherein, are evenly equipped with a plurality of lug bosses on the described annular bottom surface, the bottom of the described lug boss described LED die cavity that caved inward.
LED lens described in the utility model, wherein, the described annular bottom surface described LED die cavity that caved inward.
Another technical scheme that its technical problem that solves the utility model adopts is: construct a kind of LED light fixture, comprise base, the heat radiating cup that is connected with described base, be arranged on the led light source assembly on the described heat radiating cup and be located at LED lens as described above on the described led light source assembly, be provided with power supply in the described base, described led light source assembly and described power supply are electrically connected.
LED light fixture described in the utility model, wherein, described led light source assembly comprises the LED substrate and is arranged on led light source on the described LED substrate.
LED light fixture described in the utility model, wherein, described led light source comprises multicore integrated LED module.
LED light fixture described in the utility model, wherein, the bottom edge of described LED lens also is provided with a plurality of buckles, and described heat radiating cup is provided with and the described button bit that is clasped, and described LED lens removably were located on the described led light source assembly by described buckle and cooperating of described button bit.
Implement LED lens of the present utility model and use the LED light fixture of these lens, has following beneficial effect: LED lens of the present utility model, can be by the inside-and-outside ring face in the saturating border of adjustment and the shape of end face and inner concave, adjust photodistributed purpose to reach, its design and simple in structure, and the LED die cavity that is positioned at LED lens bottom surface can be avoided the too concentrated phenomenon of led light source heat radiation.
In addition, LED bulb of the present utility model, the optical treatment such as described LED lens reflect by using, refraction are so that the LED bulb is realized the full angle illumination.LED shot-light of the present utility model, by using described LED lens, so that shot-light brightness no longer concentrates on the center, hot spot is even.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of a kind of LED lens of the utility model preferred embodiment;
Fig. 2 be in a kind of LED lens of the utility model preferred embodiment when the second lines are straight line the profile of LED lens;
Fig. 3 be in a kind of LED lens of the utility model preferred embodiment when the second lines are curve the profile of LED lens;
Fig. 4 be in a kind of LED lens of the utility model preferred embodiment when the cross section of LED lens the top view when being square;
Fig. 5 is the top view when the cross section of LED lens is triangle in a kind of LED lens of the utility model preferred embodiment;
Fig. 6 is the structure broken away view of a kind of LED light fixture the first embodiment of the utility model;
Fig. 7 is the section of structure of a kind of LED light fixture the first embodiment of the utility model;
Fig. 8 is the structure broken away view of a kind of LED light fixture the second embodiment of the utility model;
Fig. 9 is the section of structure of a kind of LED light fixture the second embodiment of the utility model;
Figure 10 is the bright dipping figure of a kind of LED light fixture the second embodiment of the utility model;
Figure 11 is the structural representation of LED lens in a kind of LED light fixture of the utility model.
The specific embodiment
As shown in Figure 1, in preferred embodiment of the present utility model, these LED lens 100 comprise annular top surface 101, annular bottom surface 102, outer diametric plane 103 and aperture surface 104, wherein, outer diametric plane 103 is formed by the axis rotation of the first lines around annular bottom surface 102, and aperture surface 104 is formed by the axis rotation of the second lines around annular bottom surface 102; In addition, annular bottom surface 102 also is provided with a plurality of LED die cavitys 106 be used to holding led light source.The axis of the said annular bottom surface 102 of the utility model refers to that straight line perpendicular to annular bottom surface 102 and mistake annular bottom surface 102 centers.The first lines and the second lines comprise straight line or curve.The aperture surface 104 that the second lines form around the rotation of 102 axis, bottom surface, can be different because of the difference of the second lines kind, therefore the designer can select the kind of the second lines according to actual needs, adjust photodistributed purpose to reach, and further, each surface of lens can be designed to the light face, curved surface, and pearly-lustre faces etc. carry out optical treatment or photodiffusion material on the LED lens surface applies to light.And LED die cavity 106 is distributed on the bottom surface of LED lens, and heat radiation each other is unaffected.And it should be noted that the said LED lens of the utility model can be that the individual pen lens also can be the multi-turn lens.
Preferably, shown in Fig. 4-5, aperture surface 104 can be circle, square or triangle at the cross sectional shape that is parallel on annular bottom surface 102 directions.When the cross sectional shape of aperture surface 104 was circle, the hot spot that light source produces by the LED lens also was circular, and in like manner, when the cross sectional shape of aperture surface 104 was square or triangle, the hot spot that light source sees through the generation of LED lens was square or triangle.
As shown in Figure 2, in this embodiment, above-mentioned the second lines are straight line, and the axis of this straight line and annular bottom surface 102 is in a certain angle.By adjusting the angle between straight line and annular bottom surface 102 axis, can obtain ring-shaped light spot even the circular light spot of different size.
As shown in Figure 3, in this embodiment, above-mentioned the second lines are curve, cross the tangent line of the point on this curve and angle that annular bottom surface 102 axis are along 102 direction reduces gradually from annular top surface 101 to annular bottom surface.
Above-mentioned two embodiment are two kinds among the numerous embodiment of the utility model, and the designer can obtain different light distribution effects by the parameter of adjusting straight line or curve.
Further, as shown in Figure 2, also be evenly equipped with a plurality of lug bosses 105 on the annular bottom surface 102, the bottom of each lug boss 105 all caves inward and is useful on the LED die cavity 106 that holds led light source.Perhaps as shown in Figure 3, the annular bottom surface 102 LED die cavity 106 that directly caved inward.
Shown in Fig. 6-10, in the embodiment of a kind of LED light fixture of the utility model: this LED light fixture generally includes base 200, the heat radiating cup 300 that is connected with base 200, be arranged on the led light source assembly 400 on the heat radiating cup 300 and be located at LED lens 100 as described above on the led light source assembly 400, base 200 is provided with power supply 201 in going back, and led light source assembly 400 is electrically connected with power supply 201.Also be provided with heat dissipating layer 301 in the heat radiating cup 300, led light source assembly 400 is located on this heat dissipating layer 301.Further, led light source assembly 400 comprises again LED substrate (not illustrating with label among the figure) and is arranged on led light source (not illustrating with label among the figure) on the LED substrate.Wherein, led light source can adopt multicore integrated LED module, also can adopt single independently led light source.
Fig. 6-the 7th, the structural representation when the LED light fixture is shot-light, in this embodiment, the second lines that LED lens 100 are used to form aperture surface 104 are straight line; Led light source emits beam and carries out the first time through the LED lens and penetrate after the optical treatment, because diffusion material and the LED lens centre of LED lens aperture surface 104, outer diametric plane 103 and annular top surface 101 are cavity, light is not concentrating on the center, but on average disperse, solved the problem of traditional LED shot-light lens flare brightness irregularities.Fig. 8-the 10th, the structural representation when the LED light fixture is bulb lamp, wherein bulb lamp comprises that also one has the lampshade 500 of reflection ray function, in this embodiment, the second lines that LED lens 100 are used to form aperture surface 104 are curve, its last bright dipping design sketch as shown in figure 10, led light source emits beam and penetrates around the LED lens after the diffusion material of LED lens aperture surface 104, outer diametric plane 103 and annular top surface 101 carries out the optical treatment first time, pass through again for the second time optical treatment of lampshade 500, realize the wide-angle bright dipping.
As shown in figure 11, in above-mentioned two embodiment, the bottom edge of LED lens 100 can also be provided with a plurality of buckles 107, and being provided with the button bit (not illustrating with label among the figure) that cooperates with buckle 107 at heat radiating cup 300, LED lens 100 namely removably are located on the led light source assembly 400 by buckle 107 and cooperating of button bit.
LED lens of the present utility model, by adjusting the shape of the second lines, can obtain to have the aperture surface of different reflection functions, adjust photodistributed purpose to reach, its design and simple in structure, and the LED die cavity that is positioned at LED lens bottom surface can be avoided the too concentrated phenomenon of led light source heat radiation.
Above embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present utility model and accordingly enforcement, can not limit protection domain of the present utility model.All equalizations of doing with the utility model claim scope change and modify, and all should belong to the covering scope of the utility model claim.

Claims (10)

1. LED lens, it is characterized in that, comprise annular top surface (101), annular bottom surface (102), outer diametric plane (103) and aperture surface (104), wherein, described outer diametric plane (103) is formed by the axis rotation of the first lines around described annular bottom surface (102), and described aperture surface (104) is formed by the axis rotation of the second lines around described annular bottom surface (102); Described annular bottom surface (102) is provided with a plurality of LED die cavitys (106) be used to holding led light source.
2. LED lens according to claim 1 is characterized in that, the cross sectional shape of described aperture surface (104) on the direction that is parallel to described annular bottom surface (102) comprises circle, square or triangle.
3. LED lens according to claim 1 is characterized in that, described the second lines are straight line, and the axis of described straight line and described annular bottom surface (102) at an angle.
4. LED lens according to claim 1, it is characterized in that, described the second lines are curve, and the angle that the tangent line of described curve and described annular bottom surface (102) axis are reduces gradually along the direction from described annular top surface (101) to described annular bottom surface (102).
5. each described LED lens is characterized in that according to claim 1-4, are evenly equipped with a plurality of lug bosses (105) on the described annular bottom surface (102), the bottom of described lug boss (105) the described LED die cavity (106) that caved inward.
6. each described LED lens is characterized in that according to claim 1-4, described annular bottom surface (102) the described LED die cavity (106) that caved inward.
7. LED light fixture, it is characterized in that, comprise base (200), the heat radiating cup (300) that is connected with described base (200), be arranged on the led light source assembly (400) on the described heat radiating cup (300) and be located on the described led light source assembly (400) such as claim 1-6 LED lens (100) as described in each, be provided with power supply (201) in the described base (200), described led light source assembly (400) is electrically connected with described power supply (201).
8. LED light fixture according to claim 7 is characterized in that, described led light source assembly (400) comprises the LED substrate and is arranged on led light source on the described LED substrate.
9. LED light fixture according to claim 8 is characterized in that, described led light source comprises multicore integrated LED module.
10. LED light fixture according to claim 7, it is characterized in that, the bottom edge of described LED lens (100) also is provided with a plurality of buckles (107), described heat radiating cup (300) is provided with the button bit that cooperates with described buckle (107), and described LED lens (100) removably were located on the described led light source assembly (400) by described buckle (107) and cooperating of described button bit.
CN2012204067312U 2012-08-16 2012-08-16 Light emitting diode (LED) lens and LED lamp using LED lens Expired - Fee Related CN202835180U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012204067312U CN202835180U (en) 2012-08-16 2012-08-16 Light emitting diode (LED) lens and LED lamp using LED lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012204067312U CN202835180U (en) 2012-08-16 2012-08-16 Light emitting diode (LED) lens and LED lamp using LED lens

Publications (1)

Publication Number Publication Date
CN202835180U true CN202835180U (en) 2013-03-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105020643A (en) * 2014-04-21 2015-11-04 玉晶光电股份有限公司 Lighting device and optical module for lighting device
CN105202389A (en) * 2015-10-12 2015-12-30 漳州立达信光电子科技有限公司 Wide-angle LED lamp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105020643A (en) * 2014-04-21 2015-11-04 玉晶光电股份有限公司 Lighting device and optical module for lighting device
CN105202389A (en) * 2015-10-12 2015-12-30 漳州立达信光电子科技有限公司 Wide-angle LED lamp
CN105202389B (en) * 2015-10-12 2018-06-05 漳州立达信光电子科技有限公司 Big-angle LED lamp

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130327

Termination date: 20150816

EXPY Termination of patent right or utility model