CN1288384C - 具有提供预先计算的角强度分布的光学变换器的照明器 - Google Patents
具有提供预先计算的角强度分布的光学变换器的照明器 Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
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- F21V5/00—Refractors for light sources
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- F21V5/046—Refractors for light sources of lens shape the lens having a rotationally symmetrical shape about an axis for transmitting light in a direction mainly perpendicular to this axis, e.g. ring or annular lens with light source disposed inside the ring
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- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/18—Visual or acoustic landing aids
- B64F1/20—Arrangement of optical beacons
- B64F1/205—Arrangement of optical beacons arranged underground, e.g. underground runway lighting units
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/553—Low discrete bodies, e.g. marking blocks, studs or flexible vehicle-striking members
- E01F9/559—Low discrete bodies, e.g. marking blocks, studs or flexible vehicle-striking members illuminated
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
- F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/08—Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
- F21V21/0824—Ground spikes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0008—Reflectors for light sources providing for indirect lighting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D2203/00—Aircraft or airfield lights using LEDs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S10/00—Lighting devices or systems producing a varying lighting effect
- F21S10/06—Lighting devices or systems producing a varying lighting effect flashing, e.g. with rotating reflector or light source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
- F21W2111/06—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for aircraft runways or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
- F21Y2103/33—Elongate light sources, e.g. fluorescent tubes curved annular
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S362/00—Illumination
- Y10S362/80—Light emitting diode
Abstract
一种具有提供预先计算的角强度分布的光学变换器的照明器。光变换器包括:从光源接收光的第一侧;输出光的与第一侧相对的第二侧;位于第一二侧间的第三侧的第一构件,其具有包含在向第二侧方向上再导向并重新分布光的全内反射面的外部壁;位于第一构件一侧的基本垂直于光的方向轴的第一平面光学窗;位于与第三侧相对的在第一二侧间的第四侧的第二构件,其具有包含在向第二侧方向上再导向并重新分布光的全内反射面的外部壁;位于第二构件一侧的基本垂直于光的方向轴的第二平面光学窗,其在光的方向轴的对面与第一平面光学窗对称;位于第一和第二构件间的非球面透镜,其具有在第一侧上的输入侧和第二侧上的位于第一和第二平面光学窗之间的输出侧。
Description
技术领域
本发明一般地涉及照明系统。本发明更特别地涉及一种光变换器件,其提供了一个精确确定的光分布模式,例如那些用于导航、障碍物指示和其他的信号光源的光分布模式。
背景技术
目前,照明系统被用于在道路和机场滑行道和跑道路线上标识障碍物和拐弯。例如,机场使用照明系统来为进场和滑行的飞机提供指引。数千的卤素灯泡被用在机场。不幸的是,这些灯泡需要太多的电力。
在道路照明系统中,在障碍物的周围和沿着道路的拐弯放置灯泡以给驾驶员发出信号表示存在障碍物和拐弯。这些照明系统没有为驾驶员以一种最佳的模式充分地再导向(redirect)光线。例如,这些灯泡没有为距离它们较远的驾驶员提供足够的光线。因此,这些灯泡也没有对驾驶员接近灯泡时光照度与距离成二次方倒数的关系进行补偿。特别地,这些灯泡没有为当驾驶员更接近该灯泡时能更好地看见灯泡这一事实进行调整。此外,大部分这样的信号器件在有用的模式中仅导向(direct)了光源所发射光的一部分。因此,它们效率低下。
发明内容
在一个实施例中,本发明提供了一种光变换器,用于高效地以低散射度的预定模式或与一个光的方向轴基本平行地导向和重新分布来自光源的光,包括:从光源接收光的第一侧;输出所接收的光的第二侧,所述第二侧位于该光变换器与所述第一侧相对的一侧;位于该光变换器的在所述第一侧和所述第二侧之间的第三侧的第一构件,其中所述第一构件具有包含全内反射面的外部壁,所述全内反射面在向所述第二侧的方向上再导向并重新分布所接收的光;位于所述第一构件的一侧的第一平面光学窗,所述第一平面光学窗基本垂直于所述光的方向轴;位于该光变换器的第四侧的第二构件,所述第四侧位于该光变换器上与所述第三侧相对的一侧,在所述第一侧与所述第二侧之间,所述第二构件具有包含全内反射面的外部壁,所述全内反射面在向所述第二侧的方向上再导向并重新分布所接收的光;位于所述第二构件的一侧的第二平面光学窗,所述第二平面光学窗基本垂直于所述光的方向轴,所述第二平面光学窗在所述光的方向轴的对面与所述第一平面光学窗对称;和位于所述第一和第二构件之间的非球而透镜,所述非球面透镜具有在该光变换器的所述第一侧上的输入侧和在该光变换器的所述第二侧上的输出侧,所述非球面透镜的输出侧位于所述第一和第二平面光学窗之间。
附图说明
本发明的优选实施例将参考如下附图进行说明,其中相同的数字指代相同的元件,其中:
图1为根据一个实施例的光变换器的一个典型的透视图;
图2为根据一个实施例的光变换器的另一个典型的透视图;
图3为根据另一个实施例的半嵌入式全向照明器的剖视图;
图4为根据另一个实施例的光变换器的一个典型的透视图;
图5为根据另一个实施例的用于光变换器的照明系统的一个典型的顶视图;
图6为根据另一个实施例的光变换器的一个典型的剖视图;
图7为根据另一个实施例的光变换器的另一个典型的剖视图;
图8为光变换器设计系统的一个典型的框图;
图9为光变换器设计模块的一个典型的框图;
图10为全向光变换器系统的一个典型的示意图;
图11(a)-(c)为使用源光强进行二次方倒数规律补偿的典型的示意图;
图12为如何设计一个反射面的典型的示意图;
图13为用于设计光变换器的典型的流程图的示意图;
图14(a)-(c)为一个系统的典型的示意图,该系统提供了水平面中的全向光模式,其在垂直面中具有精确预定的光强分布;
图15(a)和(b)为照明系统的合成的包络和迭加的强度分布模式的典型的示意图;
图16为一个环形精度光学变换器垂直剖面的典型的示意图;和
图17为一个用于高架的全向光变换器的光学变换器的典型的示意图。
优选实施例
图1为根据一个实施例的集成全向光变换器100的一个典型的透视图。集成全向光变换器100可以包括光学窗110和支座120。光学窗110可以包括全向窗或任何其他传输光的装置,例如透镜、漫射器或敞开区域。在工作时,当希望以360度的模式将光散布出光变换器100时,光变换器100可以是所示的圆形。其他的形状和各种遮光框可以被用来实现不同的光分布模式。例如,为了使光仅通过光变换器100的一部分散布出去,光学窗110的一部分可以被遮蔽。
图2为根据一个实施例的光变换器100的另一个典型的透视图。图2图示说明光变换器100可以进一步包括一个任意的非球面反射面130。该反射面130可以是曲面圆锥内反射面。在工作时,光可以从光变换器的底部投射到反射面130上。然后,反射面130可以将光通过光学窗110反射出光变换器100。
图3为根据另一个实施例的半嵌入式全向照明器300的剖视图。半嵌入式全向照明器300可以包括光变换器100,光源310,壳320,接线器330,印刷电路板(PCB)340和光线350-352。半嵌入式全向照明器300也可以包括垫圈片360,加强筋370,密封部分380和粘合部分390。光源310可以是发光二极管或任何其他发光器件。接线器330可以提供到外部电路的电连接,该外部电路为半嵌入式全向照明器300提供功率和控制。PCB 340可以为光源310,接线器330和有用的电路提供用于运行该半嵌入式全向照明器的电连接。PCB 340还可以提供控制电路和电源,以便该半嵌入式全向照明器能由外部电路和功率自动进行运行。
在工作时,光源310发射光线350-352到反射面130。光线350-352根据反射面130的曲率被反射。相对于垂直轴有最小角度的光线在最大的仰角的方向被反射(光线352),相对于垂直轴有最大角度的光线在最小的仰角的方向被反射(光线350)。因此,将形成出射光束的光束腰以最小化透光壁的垂直尺寸。最好是,更高百分比的光线350-352能沿着光线350的路径反射。
例如,从光源310发出的70%的光可以基本上沿着光线350的路径被反射,10%基本上沿着光线352的路径被反射,剩余的20%基本上在光线350和352之间被反射。因此,照明器300将在较低的角度得到较高光强,几乎所有由光源所发出的光将以预定的模式被导向。特别地,照明器300可以再导向光线,以便长程的照明度(例如,在较低的观察角)将等于短程的照明度(例如,在较高的观察角)。因此,当车中的驾驶员接近照明器300时,该驾驶员可以在距离照明器300较远和较近的距离感觉到相等强度的光。
图4为根据另一个实施例的照明器500的一个典型的透视图。照明器500可以包括光变换器600,以及包括多个光源700的照明系统800。在运行中,光变换器600可以被放置在照明系统800上以接收和散布来自光源700的光。
图5为根据另一个实施例的一个用于光变换器的照明系统800的典型的顶视图。该照明系统可以包括光源700。该光源700可以是发光二极管(LEDs)或任何其他用于发光的器件。该光源700可以围绕照明系统800,或部分围绕照明系统800以仅使光从照明系统800的一部分发出。
图6为根据另一个实施例的光变换器600的一个典型的剖视图。该光变换器600可以包括在第一侧的如窗610的窗,在第二侧的非球面透镜620,在第三侧的全内反射面(TIR)630和在第四侧的全内反射面635,和透明窗或光学窗640和645。该TIR表面630和635可以是曲线环形反射内表面或任意非球面反射面。
图7为根据另一个实施例的光变换器的另一个典型的剖视图。图7图示说明了光源700散布光线710-750到光变换器600的一部分。该光源可以是LED或任何其他用于发光的器件。在工作时,光源700放射光线710-750到光变换器600。光线710-750在第一侧的窗610进入光变换器600。如所示,光线730从光源沿着与确定该环形反射内表面的半径的径向线一致的轴直线传播。那些直接行进到在第二侧的表面620的光线720,730和740被折射到低散射度或基本上与光线730平行的方向。那些直接行进到在第三侧的表面630和在第四侧的表面635的光线750和760通过透明窗640和645被反射到低散射度或基本上与光线730平行的方向。
图8为光变换器设计系统900的一个典型的框图。该光变换器设计系统900可以包括设计处理单元910,输入器件920,输出器件930和数据库940。设计处理单元910可以是处理器,个人电脑,主机计算机,掌上电脑或任何其他用于处理数据的器件。输入器件920可以是键盘,语音识别系统,调制解调器,扫描仪或任何其他用于输入数据的器件。输出器件930可以是视频监视器,打印机,调制解调器或任何其他用于输出数据的器件。输出器件930也可以是用于制造光变换器的加工系统。数据库940可以位于设计处理单元910上,高密度磁盘上,软盘上,硬盘上或任何其他用于存储数据的器件上的存储器中。
在工作时,输入器件920用于输入数据到设计处理单元910。该数据可以被系统900的用户所输入。设计处理单元910可以处理数据和将数据存储到数据库940上。设计处理单元910也可以从数据库940提取数据以用于处理。设计处理单元910还可以传送数据到输出器件930。输出器件930可以给用户打印输出或显示该数据。该输出器件930还可以在数据的基础上加工光变换器。
图9为光变换器设计模块1000的一个典型的框图。该光变换器设计模块1000可以包括控制器1050,存储器1040,输入/输出(I/O)接口1010,数据库接口1020和总线1030。控制器1050控制光变换器设计系统900的运行和通过网络接口1010与输入器件920和输出器件930通讯,以及通过数据库接口1020与数据库940通讯。在工作时,例如,当设计者使用输入器件920时,设计处理单元910可以被存取,通讯信号可以被控制器1050路由到设计处理单元910。
在一个典型的实施例中,控制器1050依照本发明通过接收最大和最小输出角度和相对于光源的接收光变换器一部分的位置进行操作。在所接收的光变换器的一部分的位置基础上,根据所接收的最大和最小输出角度,控制器1050可以迭代地计算光变换器上反射光源所提供的光的点。
设计模块1000可以被用来生成一个任意非球面反射面,例如反射而130,630或者635,这些反射面利用单个光源或给定光度特性的多个光源在水平空间中提供具有在垂直面上有着精确预定的光强分布的相等的全向模式。
图10为全向光变换器系统1100的一个典型的示意图。该全向光变换器系统1100可以包括全向光变换器1110,如具有全向窗1120和非球面反射面1130的光变换器100。该全向光变换器系统1100还可以包括光源1140,如LED。
非球面反射面1130可以被设计以使光源1140发出的所有光线在α’min和α’max之间的角域通过全向窗1120被反射。相对于垂直轴有最小角(αmin)的光线应在最大仰角(α’max)的方向反射,有最大角(αmax)的光线应在最小仰角(α’min)的方向反射。因此,将形成出射光束的光束腰以最小化全向窗的垂直尺寸。
图11(a)-(c)为使用具有f’(α’)=1/tan2(α’)角分布的源光强进行二次方倒数规律补偿的典型的示意图。图11(a)-(c)图示说明了观察从光变换器和光源1210发出的光的观察器1220。为了分析,用某一公知的函数f(α)描述光源1210的空间光分布。假设在垂直面内,光变换器所输出的光强分布用任意函数f’(α’)描述,该函数可以满足预先定制的要求。例如,如果该要求需要从不同距离有相等的可见度(例如,为补偿二次方倒数规律),这个函数应反比于tan2(α’)。该二次方倒数规律得到 其中E是照明度,I是源光强,D是距离。因为
和 或者
其中c是常数。
反射面1130的设计是一个迭代的过程。图12为如何逐步地为具有增量Δα的许多发射的光线AB、AC等设计反射面1320的典型的示意图。图12包括光源1310和输出窗口1330。如果已经从顶点O到点B设计了反射面1320,那么反射面1320的下一点C可以通过如下公式得到:
a·f(α)·Δα=f′(α′)·Δα′ (1)
其中a对于整个设计周期是常数。公式(1)中的条件意味着在Δα’扇区所输出的能量等于Δα扇区所发射的能量乘以因子a。因子a如公式(2)所示:
通过输出功率函数f’(α’),边界条件αmin和αmax将单值地确定参数a。因此,如图12所示,其中α’=α’f,且
α′F=α′L+Δα′ (3)是反射锥的局部角(local angle),β可以通过如下反射定律得到:
已知点B的下一点C的坐标可以从如下线性方程系统通过光线AC与局部圆锥面的交点得到。
其中第二个方程是从点A出发相对于z-轴有角α的光线的方程。于是
和,
YC=ZC·tanα (7)这可以从点C到反射面1320上一个新的点重复这一过程,直到出射角α’未达到αmax。
图13为用于通过控制器1050设计光变换器的典型的流程图的示意图。在步骤1405,控制器1050接收初始数据。该初始数据可以包括最小角,最大角,和相对于光源的光变换器的初始设计点(AO)的位置或距离。在步骤1410,控制器1050在输入最小和最大角的基础上计算非球面反射面常数。在步骤1415,控制器1050为设计流程设定初始点和角度。在步骤1420,控制器1050计算光变换器的反射面的局部角。在步骤1425,控制器1050计算沿着光变换器的反射面的下一个点的坐标。在步骤1430,控制器1050计算光变换器的反射面的反射角中的差值。在步骤1435,控制器1050为光变换器的反射面设置新的点。在步骤1440,控制器1050确定计算所得的反射角是否大于所接收的最小角。如果所计算的反射角不大于所接收的最小角,则控制器1050返回到步骤1420。如果所计算的反射角大于所接收的最小角,则控制器1050前进到步骤1445。在步骤1445,控制器1050输出光变换器的反射面的最终设计。在步骤1450,流程图结束。
本方法图示说明了控制器1050如何设计一个具有预定光分布模式的光变换器。因此,控制器1050基于所接收的该光变换器的一部分的位置,根据所接收的最大和最小输出角,迭代计算光变换器上反射光源所提供的光线的点。
在一些情况中,当单源的光强分布不能提供足够的照明以满足理想的要求时,就可以实施如上述图5所示的具有多个光源的替代设计。图14(a)-(c)为一个系统1500的典型的示意图,该系统通过垂直面中精确预定的光强分布提供水平面中的全向的照明模式。多个等同的光源1510在水平面(XOY)构成一个圆形的阵列,并被环形精密光学变换器1520所包围。该变换器1520被设计来提供水平面强度分布的最小影响和垂直平面中预定的精确的强度分布。例如,图14(b)图示说明了变换器如何提供从输入光的β角到输出光的β’角的强度分布的截面图,其中β/2和β’/2分别代表β和β’的一半。
图14(c)说明了如何通过迭加单独的出射模式α’1,α’2,α’3等的方法生成水平模式。当为特定的光源1510给出理想的角强度分布时,选择光源1510的数目和它们相对位置以提供一个具有预定的非均一性的水平包络成为可能。图15(a)和(b)分别为照明系统1500的所得的包络和迭加的强度分布模式的典型的示意图。图15(a)和(b)图示说明了以间隔相等的36°角放置的10盏LED的例子,这种放置提供了±5%非均一性的包络。
图16为一个环形精确的光学变换器1700垂直剖面的典型的示意图;通过合并该光学变换器(AOB)的中心部分的非球面透镜1710,构件1720和1730生成垂直模式。例如,构件1730包括变换器的外围设备(CDE)。构件1720和1730可以包括平面光学窗1740和1750和全内反射面1760和1770。该非球面透镜1710将所有在角度
内发射的光线变换为由β’max出射角的光线所限制的模式(例如,光线1’)。外围设备的性能基于全内反射,由此所有在角度
和
之间的光线将从全内反射面1770,通过平面光学线窗1750被反射,并被调节在角度β”min和β”max之间的区域(例如,光线2’)。非球面透镜轮廓和全内反射面形状都可以作为在垂直平面中的预定的强度分布的函数来计算,使用根据图9-14所描述的方法和程序。本概念和设计提供了具有很高比率(
可达50)的光转换,由于不合理的尺度,这通过传统非球面光学是不可行的。
图17为一个用于高架的全向照明器的光学变换器的典型的示意图。该照明器可以包括光源1810,输入面1820,反射面1830和光通道1840。该光源1810可以位于与输入面1820距离d的位置。此外,输入面可以是以R为半径的半球面。另外,反射面1830可以根据图9-14所揭示的方法进行设计。
在工作时,光源1810可以通过输入面1820传输光。该输入面1820可以用全内反射的方法引导光通过光通道1840到达反射面1830。该反射面1830可以根据特定的分布模式反射光。例如,该反射面1830可以反射在角α’的光,其中α’位于α’min和α’max之间。此外,该反射面可以用类似于在图3中所示的半嵌入全向照明器300的方式反射光。
本发明的方法最好在编程处理器上实现。但是,该方法也可以在通用或专用目的计算机、编程微处理器或微控制器和外部集成电路元素,ASIC或其他集成电路,硬件电子或逻辑电路诸如离散元件电路,可编程逻辑器件,如PLD,PLA,FPGA或PAL等等。一般说来,任何在其上驻留能够实现如图所示的流程图的有限状态机(finite state machine)的器件可以用来实现本发明的处理器的功能。
虽然本发明通过其一些具体的实施例进行说明,但是很多替代、改进和变化对于本领域的技术人员是清楚的。因此,这里所提出的本发明的最优实施例意欲于说明性,而不是限制性的。可以进行不同的不背离本发明的精神和范围的改进。
Claims (1)
1.一种光变换器,用于以低散射度的预定模式或与一个光的方向轴平行地导向和重新分布来自光源的光,包括:
从光源接收光的第一侧;
输出所接收的光的第二侧,所述第二侧位于该光变换器与所述第一侧相对的一侧;
位于该光变换器的在所述第一侧和所述第二侧之间的第三侧的第一构件,其中所述第一构件具有包含全内反射面的外部壁,所述全内反射面在向所述第二侧的方向上再导向并重新分布所接收的光;
位于所述第一构件的一侧的第一平面光学窗,所述第一平面光学窗垂直于所述光的方向轴;
位于该光变换器的第四侧的第二构件,所述第四侧位于该光变换器上与所述第三侧相对的一侧,在所述第一侧与所述第二侧之间,所述第二构件具有包含全内反射面的外部壁,所述全内反射面在向所述第二侧的方向上再导向并重新分布所接收的光;
位于所述第二构件的一侧的第二平面光学窗,所述第二平面光学窗垂直于所述光的方向轴,所述第二平面光学窗在所述光的方向轴的对面与所述第一平面光学窗对称;和
位于所述第一和第二构件之间的非球面透镜,所述非球面透镜具有在该光变换器的所述第一侧上的输入侧和在该光变换器的所述第二侧上的输出侧,所述非球面透镜的输出侧位于所述第一和第二平面光学窗之间。
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- 2001-05-07 CN CN2010102169266A patent/CN101907265A/zh active Pending
- 2001-05-07 EP EP06016404A patent/EP1726871A3/en not_active Withdrawn
- 2001-05-07 DE DE60123777T patent/DE60123777D1/de not_active Expired - Lifetime
- 2001-05-07 EA EA200201182A patent/EA007378B1/ru not_active IP Right Cessation
- 2001-05-07 CN CNB01810438XA patent/CN1288384C/zh not_active Expired - Fee Related
- 2001-05-07 WO PCT/US2001/040683 patent/WO2001086198A1/en active IP Right Grant
- 2001-05-07 MX MXPA02010986A patent/MXPA02010986A/es active IP Right Grant
- 2001-05-07 AT AT01935763T patent/ATE342470T1/de not_active IP Right Cessation
- 2001-05-07 EP EP01935763A patent/EP1281021B1/en not_active Expired - Lifetime
- 2001-05-07 AU AU6182601A patent/AU6182601A/xx active Pending
- 2001-05-07 AU AU2001261826A patent/AU2001261826B2/en not_active Ceased
- 2001-05-07 JP JP2001582763A patent/JP2003532993A/ja active Pending
- 2001-05-07 CA CA2586694A patent/CA2586694C/en not_active Expired - Fee Related
- 2001-05-07 CN CNB2006101499099A patent/CN100564999C/zh not_active Expired - Fee Related
- 2001-05-07 CN CNA2009100085507A patent/CN101532639A/zh active Pending
- 2001-05-07 US US11/930,423 patent/US7744246B2/en not_active Expired - Fee Related
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2002
- 2002-11-08 ZA ZA200209099A patent/ZA200209099B/en unknown
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2003
- 2003-03-18 US US10/391,327 patent/US6951418B2/en not_active Expired - Fee Related
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2010
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2012
- 2012-05-11 US US13/470,006 patent/US8419214B2/en not_active Expired - Fee Related
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CN109312906A (zh) * | 2016-05-04 | 2019-02-05 | 亮锐控股有限公司 | 用于光学耦合来自led的光的模制光导 |
US11181678B2 (en) | 2016-05-04 | 2021-11-23 | Lumileds Llc | Molded light guide for optically coupling light from LEDs |
US11378730B2 (en) | 2016-05-04 | 2022-07-05 | Lumileds Llc | Illumination structure including cavity and TIR structure |
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