CN102705776A - Lens realizing even and rectangular facula - Google Patents

Lens realizing even and rectangular facula Download PDF

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Publication number
CN102705776A
CN102705776A CN2012101526496A CN201210152649A CN102705776A CN 102705776 A CN102705776 A CN 102705776A CN 2012101526496 A CN2012101526496 A CN 2012101526496A CN 201210152649 A CN201210152649 A CN 201210152649A CN 102705776 A CN102705776 A CN 102705776A
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China
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lens
surface
light
light ray
rectangular beam
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CN2012101526496A
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Chinese (zh)
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余舒适
向宝玉
吴乾
周镇
李国平
熊威
王跃飞
石超
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广州市鸿利光电股份有限公司
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Priority to CN2012101526496A priority Critical patent/CN102705776A/en
Publication of CN102705776A publication Critical patent/CN102705776A/en

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Abstract

The invention discloses a lens realizing even and rectangular facula, comprising a bottom surface, wherein a light ray incident plane for receiving LED light ray is arranged at the center of the bottom surface, the outer surface of the lens communicated with the bottom surface is a light ray outgoing surface, and the light ray outgoing surface comprises a plurality of free curved surfaces used for leading the output facula to be approximate to the rectangle by controlling the reflection direction of the incident light ray in the lens and the exist direction of the light ray according to the different curvatures on the surface of the lens. The lens totally reflects the light ray and refracts the light ray by a light outgoing surface, wherein the horizontal angle of the light ray is alpha-90 degrees (alpha is larger than 30 degrees and less than 45 degrees), particularly, the center horizontal angle of the light ray is beta-90 degrees (beta is larger than 70 degrees and less than 90 degrees), so that the illumination intensity of the center and the periphery of the facula can be effectively reduced, the illumination intensity of the edge of the facula can be improved, and the even rectangular facula can be formed; therefore, the better mixed light illumination effect can be achieved by less amount of light sources and lens.

Description

一种实现均匀矩形光斑透镜 Realizing a uniform rectangular beam lens

技术领域 FIELD

[0001] 本发明涉及一种实现均匀矩形光斑的LED透镜,光源可以为点光源,也可以是扩展光源,特别是COB扩展光源。 [0001] The present invention relates to a uniform rectangular beam of the LED lens, the light source may be a point light source, the light source may be extended, particularly COB extended light source.

背景技术 Background technique

[0002]目前大部分封装工艺的LED出射光都为非均匀的圆形或者矩形光斑,这样的光斑肯定无法满足在道路照明、隧道照明、背光源、投影仪、汽车前灯等需要均匀矩形光斑的照明应用领域的需求,因此,对LED进行二次光学设计是非常有必要的。 [0002] Currently, most of the LED packaging process the outgoing light are non-uniform circular or rectangular spots, spot certainly not satisfy such road lighting, tunnel lighting, backlight, a projector, car headlights require a uniform rectangular beam needs of lighting applications, therefore, the LED secondary optical design is necessary. [0003] 然而目前行业中的大部分成矩形光斑的二次光学透镜都是针对路灯照明等远场照明应用来设计的,在远场照明中,光源面积相对于照射距离来说非常小,可以当作点光源来对待,从而进行透镜的光学设计。 [0003] However, there is a secondary optical lens industry, most of the spots are rectangular for street lighting and other lighting applications designed far field in the far field illumination, the light source with respect to the irradiation area is very small distance, can be treated as a point light source, to perform the lens optical design. 如专利申请号201010215196.8,名称为《LED透镜》的专利文献中所述的一款LED透镜所示,该发明专利的LED透镜为塑胶材料一体成型制成,该透镜包含一透光材质的本体、一出光部及入光凹部,但是在近场照明中,这种透镜结构就不适合了,近场照明中,目标面与光源的距离在 Patent Application No. 201010215196.8, entitled "LED lens" in Patent Document according to a LED lens, the LED lens of the patent are integrally formed of plastic material, the material of the lens comprising a transparent body, a light incident portion and the light concave portion, but in the near-field illumination, the structure of such a lens is not suitable, the near-field illumination, and light from the target surface in

IiKfS (A为光源的发光面积)的范围内,光源不可以再当作点光源来对待了,必须考虑到 IiKfS the (A light emitting area of ​​the light source) range, the light source can no longer be treated as a point source, and must be taken into account

它的发光面积的影响。 Effect of its light emitting area. 专利申请号200680010199. X,名称为《有利于背后照明的LED广角发射透镜》的专利文献公开了一款用于近场照明的LED发射透镜,该款透镜就是用在直下式LED背光照明应用领域中,但是该透镜形成的是圆形光斑,在LED背光照明应用中的混光效果不如矩形光斑的效果好,且有效扩展角度也不大,这即意味着在应用中不得不使用更多数量的光源来弥补其有效扩展角度不足的缺陷。 Patent Application No. 200680010199. X, titled "LED facilitate wide-emitting lens back lighting," the patent document discloses a lens for an LED emitting near-field illumination, which the lens is used in the field of direct type LED backlighting applications , but it is formed by the circular spot lens, light mixing effect in the LED backlight applications rectangular beam not as good results, and the effective spreading angle is not large, which means that the applications have to use a greater number a light source to compensate for the lack of an effective spreading angle defects.

[0004] 综上所述,设计一款应用在近场照明领域的成广角的均匀矩形光斑的透镜非常有必要。 Rectangular spot [0004] In summary, design of an application in the field of near-field illumination into a wide-angle lens is necessary.

发明内容 SUMMARY

[0005] 本发明要解决的技术问题是:提供一种扩展角度大、矩形光斑中各点照度的均匀性好的应用于近场照明的均匀光斑透镜。 [0005] The present invention is to solve the technical problem are: to provide a spread angle is large, the uniformity of the illuminance of each point in the rectangular beam applied uniformly good spot illumination of the near field lens.

[0006] 为了解决上述技术问题,本发明所采用的技术方案是: [0006] To solve the above technical problem, the technical solution employed in the present invention:

一种实现均匀矩形光斑透镜,所述透镜具有一底面,所述底面中央设有一凹面,为透镜的光线入射面;透镜具有两个或两个以上的光线出射面,负责出射不同角度的光线;透镜具有两个或两个以上的光线反射面,用来控制光线在透镜内部的方向;透镜的主体部分由透镜的底面、光线入射面、光线反射面及光线出射面共同包围的空间定义。 Realizing a uniform rectangular beam lens, said lens having a bottom surface, said bottom surface is provided with a central concave surface, the light incident surface of the lens; lens having two or more light exit surface, is responsible for the light emitted at different angles; lens having two or more light reflecting surfaces for controlling the direction of light inside the lens; lens body portion define a space surrounded by the exit surface of the common bottom surface, the light incident surface, and a light reflecting surface of the lens.

[0007] 进一步作为优选的实施方式,所述光线入射面为球面或自由曲面或圆柱面或球面和圆柱面的组合曲面或自由曲面和圆柱面的组合曲面。 [0007] As a further preferred embodiment, the light incident surface is a combination of curved surfaces or a combination consisting of a spherical surface and a cylindrical surface or a free curved surface or a spherical or cylindrical surface and the cylindrical surface.

[0008] 进一步作为优选的实施方式,所述透镜的光线出射面由自由曲面拼接而成,负责不同角度光线的出射,通过调节其曲率参数可以控制光线的折射出射方向。 [0008] As a further preferred embodiment, the light exit surface of the lens of the free curved splicing, responsible for different exit angle of the light can be controlled emission direction of the light refracted by adjusting a curvature parameter.

[0009] 进一步作为优选的实施方式,所述透镜的光线反射面由自由曲面拼接而成,负责控制水平角在范围内光线在透镜内部的方向,所述α的取值范围为30° < α [0009] As a further preferred embodiment, the reflecting surface of the free curved lens spliced ​​together, responsible for controlling the horizontal direction of the ray inside the lens in the range, the [alpha] is in the range of 30 ° <α

< 45°。 <45 °.

[0010] 进一步作为优选的实施方式,所述透镜各个面之间连接部位为连续过渡或者非连续过渡的自由曲面拼接而成。 [0010] As a further preferred embodiment, the connecting portion of the lens is a continuous transition between the respective surfaces or non-continuous free curved transition splicing.

[0011] 进一步作为优选的实施方式,所述透镜的应用光源为点光源或者扩展面光源。 [0011] As a further preferred embodiment, the applied light or a point light source lens extended surface light source.

[0012] 进一步作为优选的实施方式,所述透镜底部设有定位引脚,所述定位引脚设有定位孔或定位栓。 [0012] As a further preferred embodiment, the bottom of the lens is provided with a positioning pin, said positioning pin is provided with positioning holes or positioning pin.

[0013] 进一步作为优选的实施方式,所述透镜由PC或PMMA或PP或ABS或PVC或玻璃材料制成。 [0013] As a further preferred embodiment, the lens is made of PC or PMMA or PP or PVC or ABS or a glass material. [0014] 进一步作为优选的实施方式,所述透镜为单颗或阵列形式,透镜和光源对应关系 [0014] As a further preferred embodiment, the lens is a single or an array, a lens and a light source corresponding relationship

为一对一或一对多或多对一关系。 To-one or many-to-many or relationship.

[0015] 本发明的有益效果是:本发明透镜改变了传统的LED透镜光线入射面的设计,通过在光线入射面上不同部位的不同曲率来控制入射光线的折射方向,提高了出光效率;进一步,光线出射面上包括直接折射透镜内光线的第一出射面和折射透镜内经全反射的光线的第二出射面,通过调节第一出射面和第二出射面的曲率参数,可形成均匀的矩形光斑,且有效扩展角度可达到12(Γ160度,从而能以较少的光源和透镜数量达到更好的混光照明效果O [0015] Advantageous effects of the invention are: a lens according to the present invention changes the traditional design of LED lens the light incident surface, to control the direction of refraction of incident light by different curvatures in different parts of the light incident surface, to improve the light extraction efficiency; further , the light exit surface comprises a direct-refractive second exit face of the light through total reflection within the lens ray of the first exit surface and a refractive lens, by adjusting the first emission surface and the second exit surface curvature of the parameters, can be formed uniform rectangular spot, and the effective spreading angle can be achieved 12 (Γ160 degrees so that the light source and at a small number of lenses to achieve a better mixing effect lighting O

附图说明 BRIEF DESCRIPTION

[0016] 图I是本发明透镜的结构示意图; [0016] FIG. I is a schematic diagram of the structure of the lens of the present invention;

图2是本发明透镜的主向示意图; FIG 2 is a front schematic view of the lens of the present invention;

图3是本发明透镜的侧面示意图; FIG 3 is a schematic side view of the lens of the present invention;

图4是本发明透镜的仰视示意图; FIG 4 is a bottom view of the lens of the present invention;

图5是本发明透镜的光线分布示意图; FIG 5 is a light distribution lens according to the present invention is a schematic diagram;

图6是本发明透镜不同角度光线的出射示意图; FIG 6 is a lens of the invention different exit angle of the light a schematic view;

图7是本发明透镜的立体结构示意图; FIG 7 is a schematic perspective view of the lens of the present invention;

图8是本发明实施例中透镜的照度分布效果示意图; 8 is a schematic illuminance distribution effects as in the lens of the embodiment of the present invention;

图9是本发明实施例中改变光线入射面形状的透镜结构示意图; FIG 9 is a diagram showing a lens structure of the light incident surface to change the shape of the embodiment of the present invention;

图10是本发明另一实施例中改变光线入射面形状的透镜结构示意图; FIG 10 is a diagram showing a lens structure of the changing shape of the light incident surface to another embodiment of the present invention;

图11是改变本发明透镜第三反射面形状的透镜结构示意图。 11 is a schematic configuration of a third lens reflector shape change of the lens of the present invention.

具体实施方式 Detailed ways

[0017] 下面结合附图对本发明的具体实施方式作进一步说明: [0017] DETAILED DESCRIPTION OF THE DRAWINGS Embodiment of the present invention will be further described:

一种实现均匀矩形光斑透镜,该透镜具有一底面,所述底面中央设有一接收LED光线的光线入射面1,与底面相贯通的透镜的外表面为光线出射面,所述光线入射面I为利用曲率调节不同角度入射光线的折射方向的球面或者自由曲面,所述光线出射面包括多个利用其表面不同曲率来控制入射后的光线在透镜内部的反射方向及光线出射方向从而使输出光斑接近矩形的自由曲面。 Realizing a uniform rectangular beam lens, the lens having a bottom surface, said bottom surface is provided with an outer surface of a central receiving light of the LED light incident surface 1, penetrates the bottom surface of the lens to the light exit surface of the light incidence surface I of use of curvature adjusting a spherical or freeform surface direction of refraction different from the angle of the incident light, said light exit surface comprises a plurality of use of its different curvature of the surface to control the light after the incident inside the lens reflected direction and the light emission direction so that the output spot close rectangular free-form surface.

[0018] 参照图1,本实施例中,光线入射面I为位于透镜底部中央的内凹的球面,LED光线在入射面不同点上的折射方向不同,通过控制光线入射面I不同点处的曲率参数调整了LED光线以合适的角度折射射入透镜内部,从而增大了LED光线进入光线入射面I后的出光角度,避免了光线的损耗及光效率的降低,有利于通过调整透镜各部位的相关参数对光斑面积进行控制。 [0018] Referring to FIG. 1, for example, the light incidence surface I, a different concave spherical surface located at the bottom center of the lens LED light refracted at different points in the direction of the incident surface of the present embodiment, the control at different points of the light incidence surface I curvature parameter adjustment of the LED light refracted at a suitable angle incident inside the lens, thereby increasing the LED light enters the light incident surface of the light angle I, to avoid the loss of efficiency and reduction in light rays, in favor of each part by adjusting a lens the parameters of the spot size control.

[0019] 所述光线出射面包括用于折射透镜内水平角在0°〜α (30° < α < 45° )范围内的光线的第一出射面2,所述第一出射面2通过一作为连续过渡面的第一反射面3连接有第二出射面4,所述第二出射面4在透镜的外周顶部边沿连接有内凹的第二反射面5及第三反射面6,所述第三反射面6位于与光线入射面I相对的中央位置,控制透镜内部水平角 [0019] The light exit surface includes a refractive lens for the horizontal (30 ° <α <45 °) a first exit surface of the light rays in the range of 0 ° ~α 2, the first exit surface through a 2 as the first continuous transition surface of the reflective surface 3 is connected to a second exit surface 4, the second exit surface 4 connected to the second reflective surface has a concave reflecting surface 5 and the third top edge 6 at the outer periphery of the lens, the 6 and the third reflecting surface is located opposite to the light incident surface central position I, the control inside the lens horizontal

(70° < β <90° )范围内光线的反射分布,所述第二反射面5用于连接第二出射面4与所述第三反射面6,并将水平角α〜β (30° < α <45°,70° < β <90° )的光线反射至第二出射面4。 (70 ° <β <90 °) the distribution of the range of reflected light, the second reflecting surface 5 for connecting 4 the second emission surface and the third reflecting surface 6, and the horizontal angle α~β (30 ° <α <45 °, 70 ° <β <90 °) of the light beam to the second exit surface 4. 在应用中,第一出射面2、第二出射面4、第一反射面3、第二反射面5及第三反射面6皆为自由曲面。 In use, the first exit surface 2, the second exit surface 4, the first reflecting surface 3, a second reflecting surface and the third reflecting surface 5 are all free-form surface 6. 通过控制第一出射面2的曲率参数使得透镜内水平角度在0°〜α (30° < α <45° )范围内的光线以合适的角度折射出透镜(参照图6中的光线1),让其射往要求的光斑边缘,从而对光斑边缘的光照强度进行了有效的补充提高,提升了光斑的均匀性;通过调节第三反射面6的曲率参数,将透镜内部水平角β、0° (70° By controlling the parameters of the first exit surface curvature of the lens 2 such that the horizontal angle of 0 ° ~α (30 ° <α <45 °) in the range of light at an appropriate angle of refraction of the lens (ray 61 in reference to FIG.), allowed to exit the edge of the spot required, thus the light intensity spot edge were effectively improved complement, enhance the uniformity of the light spot; by adjusting the curvature parameter of the third reflecting surface 6, the inner lens horizontal angle β, 0 ° (70 °

< β <90° )范围的光线进行全反射,进而经第二出射面4折射出射(参照图6中的光线3),从而使其远离光斑中心及其周围附近部位,避免了出现光斑中央光照强度过高的情况,也增大了光斑其他部位的光照强度,从而提高了光斑的均匀性;通过微调第二反射面5、第三反射面6及第二出射面4的曲率参数,可以对光源中心和边缘之间的那一部分光源发出的出射光线进行分散控制(参照图6中的光线2),提高光斑边缘和光斑中心之间区域的均匀度。 <Rays range β <90 °) is totally reflected, and further refracted by the second exit surface of the exit 4 (see FIG. 6 rays 3), so that it away from the spot center and its vicinity of the periphery portion, the central light spot appears to avoid the the intensity is too high, increases the illumination intensity spot other portions, thereby improving the uniformity of the spot; by trimming the second reflecting surface 5, the third reflecting surface 6 and the second parameter the curvature of the exit surface 4, may that portion of the light exiting the light source between the light source center and the edges distributed control (reference light 6 in FIG. 2), improve the uniformity of the region between the edge and the center of the spot of light spots.

[0020] 图2是本发明透镜的主向示意图,图3是本发明透镜的侧面示意图,图4是本发明透镜的仰视示意图,本发明透镜的立体结构示意图参照图7,图5是本发明透镜的光线分布示意图。 [0020] FIG. 2 is a front lens of the present invention to the schematic FIG. 3 is a schematic side view of the lens of the present invention, FIG. 4 is a bottom view of the lens of the present invention, three-dimensional structure of the lens of the present invention is a schematic Referring to FIG 7, FIG. 5 of the present invention a schematic view of the light distribution lens. 通过透镜结构,对水平角α、0° (30° < α <45° )特别是中央部分水平角β、0° (70° < β <90° )的光线进行全反射后再由出光面对其进行折射处理,从而有效降低了光斑中心及其周围的光照强度,提高了光斑边缘及其它部分的光照强度,在此基础上通过调节透镜各个部位自由曲面的曲率参数,进一步提高了光斑的均匀度。 For horizontal α, 0 ° (30 ° <α <45 °) the horizontal angle beta] especially the central part, the light 0 ° (70 ° <β <90 °) and then totally reflected by the face of an optical lens structure which process is refracted, thus effectively reducing the light intensity around the center of the spot and to improve the spot and the edge of the light intensity of the other portions, on the basis of various parameters by adjusting the curvature of the free curved lens portion to further improve the uniformity of the light spot degree. 本发明透镜的照度分布效果示意图如图8所示,本发明透镜可以在近场照明中,特别是在直下式背光模组照明中,形成有效扩展角度达到120-160°高均匀度高光线利用率的规则矩形光斑。 Illuminance distribution effect of the lens of the present invention is schematically shown in FIG 8, the lens of the present invention may be in the near field illumination, particularly in lighting backlight module, an effective spreading angle reaches 120-160 ° evenness high light utilization regular rectangular spot rate.

[0021] 优选地,本发明透镜由PC、PMMA、PP、ABS、PVC或者玻璃等透光材料制成。 [0021] Preferably, the lens of the present invention is made of PC, PMMA, PP, ABS, PVC or a light transmissive material such as glass. 参照图1,透镜底部设有定位引脚7,定位引脚7上设有定位孔8及定位栓9。 Referring to FIG. 1, the bottom lens 7 is provided with positioning pins, the positioning pin 8 is provided with positioning holes and the positioning pin 9 7. 通过调节定位引脚7的高度,就可以控制光源发光面与透镜底面之间的距离,进而控制光斑的面积及其均匀度。 By adjusting the height of the positioning pins 7, it is possible to control the distance between the light source emitting surface and the bottom surface of the lens, and thus the control area and the uniformity of the spot.

[0022] 在优选实施例中,本发明透镜的光线入射面I的形状可以改变,例如采用图9所示的平顶的圆柱形,或者采用图10所示的圆顶的圆柱形或者其他对入射光线进入透镜的折射方向可控的形状均可。 [0022] In a preferred embodiment embodiment, I shape of the light incident surface of the lens of the present invention may be varied, for example, using a cylindrical flat top as shown in FIG. 9, or with the cylindrical dome shown in Fig. 10 or to other refracting incident light rays entering direction of the lens shape can be controlled. 参照图11,通过改变透镜的第三反射面6的最低点的形状或者将第二反射面5和第三反射面6合并为一个反射面来控制光线的出射方向,即采用两个光线反射面亦可以实现透镜中心部位的光线远离光斑中心及其周围附近部位,避免了出现光斑中央光照强度过高的情况,也增大了光斑其他部位的光照强度,从而提高了光斑的均匀性。 Referring to FIG 11, the light is controlled by changing the shape of the lowest point of the third reflecting surface of the lens 6 or to the second reflecting surface and the third reflecting surface 5 is a reflecting surface 6 of the combined outgoing direction, i.e., using two light reflecting surfaces light can also be implemented in a central portion of the lens away from the spot center and its vicinity of the periphery portion, the central spot to avoid the situation of high light intensity, the light intensity increases also in other parts of the light spot, thereby improving the uniformity of the spot. 另外,亦可将第一反射面3取消,直接由第二出射面4与第一出射面2相贯接后调节透镜相关部位的参数,也能达到同样的效果。 Further, the first reflecting surface 3 may be canceled, directly from the second exit surface 4 and the first emission surface of the lens related to the parameter adjusting portion 2 is followed intersection, can achieve the same effect.

[0023] 在具体应用中,本发明透镜为单颗或阵列形式,透镜和光源对应关系为一对一或一对多或多对一关系。 [0023] In a particular application, the present invention is a single lens or an array, a lens and a light source or a corresponding relation to one or many-to-many relationship.

[0024] 以上是对本发明的较佳实施进行了具体说明,但本发明创造并不限于所述实施例,熟悉本领域的技术人员在不违背本发明精神的前提下还可以作出种种的等同变形或替换,这些等同的变形或替换均包含在本申请权利要求所限定的范围内。 [0024] The foregoing is the preferred embodiment of the present invention have been specifically described, but the present invention is not limited to the creation of embodiments, those skilled in the art without departing from the spirit of the present invention, various modification may be made of equivalents or alternatively, such equivalent modifications or substitutions are included in the present application within the scope defined by the claims.

Claims (9)

1. 一种实现均匀矩形光斑透镜,其特征在于:所述透镜具有一底面,所述底面中央设有一凹面,为透镜的光线入射面;透镜具有两个或两个以上的光线出射面,负责出射不同角度的光线;透镜具有两个或两个以上的光线反射面,用来控制光线在透镜内部的方向;透镜的主体部分由透镜的底面、光线入射面、光线反射面及光线出射面共同包围的空间定义。 A uniform rectangular beam lens, wherein: the lens has a bottom surface, said bottom surface is provided with a central concave surface, the light incident surface of the lens; lens having two or more light exit surface, is responsible for rays emitted at different angles; lens having two or more light reflecting surfaces for controlling the direction of light inside the lens; the body portion by a bottom surface of the lens, the light incident surface, the light reflecting surface and light exit surface of the lens together enclosed space is defined.
2.根据权利要求I所述的一种实现均匀矩形光斑透镜,其特征在于:所述光线入射面为球面或自由曲面或圆柱面或球面和圆柱面的组合曲面或自由曲面和圆柱面的组合曲面。 The I said one lens to achieve a uniform rectangular beam, as claimed in claim wherein: said light incident surface is a curved surface or a combination consisting of a spherical surface and a cylindrical surface or a free curved surface or a spherical or cylindrical surface and the cylindrical surface surface.
3.根据权利要求I所述的一种实现均匀矩形光斑透镜,其特征在于:所述透镜的光线出射面由自由曲面拼接而成,负责不同角度光线的出射,通过调节其曲率参数可以控制光线的折射出射方向。 The I said one lens to achieve a uniform rectangular beam, as claimed in claim wherein: the light exit surface of the lens is spliced ​​together by a free-form surface, responsible for different exit angle of the light, the light can be controlled by adjusting the curvature parameter refractive emission direction.
4.根据权利要求I所述的一种实现均匀矩形光斑透镜,其特征在于:所述透镜的光线反射面由自由曲面拼接而成,负责控制水平角在a、0°范围内光线在透镜内部的方向,所述a的取值范围为30° < a < 45°。 According to claim I wherein said one lens to achieve a uniform rectangular beam, wherein: the reflecting surface of the free curved lens is formed by splicing, is responsible for controlling the horizontal angle in a, within the range of 0 ° rays inside the lens direction, a is the range of 30 ° <a <45 °.
5.根据权利要求I所述的一种实现均匀矩形光斑透镜,其特征在于:所述透镜各个面之间连接部位为连续过渡或者非连续过渡的自由曲面拼接而成。 Said lens portion is connected to a continuous transition between the respective surfaces or non-continuous free curved transition splicing: 5. I according to one implementation of a uniform rectangular beam lens according to claim characterized in that.
6.根据权利要求I所述的一种实现均匀矩形光斑透镜,其特征在于:所述透镜的应用光源为点光源或者扩展面光源。 Application of the light source or a point light source lens extended surface light source: 6. I according to one implementation of a uniform rectangular beam lens according to claim characterized in that.
7.根据权利要求I所述的一种实现均匀矩形光斑透镜,其特征在于:所述透镜底部设有定位引脚,所述定位引脚设有定位孔或定位栓。 The I said one lens to achieve a uniform rectangular beam, as claimed in claim wherein: the lens has a bottom locating pin, said positioning pin is provided with positioning holes or positioning pin.
8.根据权利要求I所述的一种实现均匀矩形光斑透镜,其特征在于:所述透镜由PC或PMMA或PP或ABS或PVC或玻璃材料制成。 The lens is made of PC or PMMA or PP or PVC or ABS or a glass material: 8. I according to one implementation of a uniform rectangular beam lens according to claim characterized in that.
9.根据权利要求I所述的一种实现均匀矩形光斑透镜,其特征在于:所述透镜为单颗或阵列形式,透镜和光源对应关系为一对一或一对多或多对一关系。 The lens is a single or an array, a lens and a light source or a corresponding relation to one or many-to-many relationship: 9. I said one lens to achieve a uniform rectangular beam, wherein according to the claims.
CN2012101526496A 2012-05-16 2012-05-16 Lens realizing even and rectangular facula CN102705776A (en)

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