CN102287646A - 改善光效的led灯及其光效改善方法 - Google Patents

改善光效的led灯及其光效改善方法 Download PDF

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CN102287646A
CN102287646A CN2011102179991A CN201110217999A CN102287646A CN 102287646 A CN102287646 A CN 102287646A CN 2011102179991 A CN2011102179991 A CN 2011102179991A CN 201110217999 A CN201110217999 A CN 201110217999A CN 102287646 A CN102287646 A CN 102287646A
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led lamp
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薛信燊
梁有庆
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SHENZHEN ZHONGMING SEMICONDUCTOR LIGHTING CO Ltd
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SHENZHEN ZHONGMING SEMICONDUCTOR LIGHTING CO Ltd
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Publication of CN102287646A publication Critical patent/CN102287646A/zh
Priority to PCT/CN2012/079491 priority patent/WO2013017082A1/zh
Priority to EP12819731.6A priority patent/EP2740995A4/en
Priority to US14/236,804 priority patent/US20140168992A1/en
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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/233—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating a spot light distribution, e.g. for substitution of reflector lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
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    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • 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
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • 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
    • F21V7/04—Optical design
    • F21V7/048—Optical design with facets structure
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/002—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for interchangeability, i.e. component parts being especially adapted to be replaced by another part with the same or a different function
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
    • F21V3/062—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material being plastics
    • 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
    • F21W2121/00—Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F21Y2105/12—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
    • 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
    • F21Y2113/00—Combination of light sources
    • F21Y2113/10—Combination of light sources of different colours
    • F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
    • 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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  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

本发明公开了一种改善光效的LED灯及其光效改善方法，采用泡壳，罩设于LED灯珠上并置于反射杯内；所述泡壳对所述LED灯珠的出光作第一次光学处理；所述反射杯对经所述泡壳作第一次光学处理的出光作第二次光学处理。通过泡壳壳体的折射、散射和漫射等作用，第一次光学处理对LED灯珠的初次出光进行光线打散，使光分散为立体面发光效果；反射杯作为第二次光学处理，将打散的光线进行反射收光成一定角度范围的光线射出，更加有效地对LED灯珠的出光进行混光后再收光，提高灯具的光线舒适度，并提高灯具的收光效率，使灯具不眩光、光线舒适、亮度提升、混光更加均匀。

Description

改善光效的LED灯及其光效改善方法
【技术领域】
本发明涉及半导体照明领域，更具体地说，涉及一种LED灯。
【背景技术】
目前LED光源和LED灯具，广泛使用塑料(增加电镀工艺)或者铝材等材料的反射杯，或者采用透明PC、PMMA材料制成的透镜进行二次光学处理，其有着较好的光处理效果，运用领域广泛。但是无论是反射杯还是透镜的方式设计的LED灯，对LED灯珠的收光效率仍然较低，且采用反射杯照射出的光斑不均，采用透镜照射出的光斑中心光强不高，直视这两种方案的LED灯，均会对人眼产生刺眼的效果；同时对多颗LED混光使用时，单独的反射杯和透镜均会产生混光不均、不同颜色剥离的现象。
【发明内容】
本发明的主要目的是：提供一种光效更佳的LED灯及其光效改善方法。
为此，本发明提出一种改善光效的LED灯，包括反射杯、泡壳、LED灯珠和外壳；所述反射杯容纳于所述壳体内；所述LED灯珠置于所述反射杯底部，并固定在所述外壳内或所述反射杯底部；所述泡壳罩设于所述LED灯珠上并置于所述反射杯内；所述泡壳对所述LED灯珠的出光作第一次光学处理，所述反射杯对经所述泡壳作第一次光学处理的出光作第二次光学处理。
上述的LED灯，所述第一次光学处理，是将所述LED灯珠发出的光线进行混光和散光，形成泡壳壳体立体面发光的处理效果。所述第二次光学处理，是将所述第一次光学处理后的光线在所述反射杯的内壁进行光线的反射并控制光斑和角度。
上述的LED灯，其中的实施方式中，所述LED灯珠包括红、橙、黄、绿、青、蓝、紫或白光之一种LED芯片或者多种LED芯片组合、一个LED芯片或多个LED芯片组合。
上述的LED灯，其中的实施方式中，所述泡壳由透光率大于或等于80％、小于100％的透光材料制成。
上述的LED灯，其中的实施方式中，所述泡壳采用磨砂玻璃制成，或者由玻璃表面喷涂制成，以提高其混光和散光效果。
上述的LED灯，其中的实施方式中，所述反射杯内壁设置具光学效果或者修饰用的反光面。
上述的LED灯，其中的实施方式中，所述泡壳具有将光线进行表面发散的壳体结构；所述壳体结构包括半球形、半梨形、圆柱形、草帽形、灯泡形、螺帽形、火焰型或蜡烛形中的一种。
同时，本发明提出了一种LED灯的光效改善方法，包括：
第一次光学处理：采用泡壳，罩设于LED灯珠上并置于反射杯内；所述泡壳对所述LED灯珠的出光作第一次光学处理；
第二次光学处理：所述反射杯对经所述泡壳作第一次光学处理的出光作第二次光学处理。
上述的LED灯的光效改善方法，所述第一次光学处理，是将所述LED灯珠发出的光线进行混光和散光，形成所述泡壳的壳体立体面发光的处理效果。
本发明的LED灯，通过泡壳壳体的折射、散射和漫射等作用，第一次光学处理对LED灯珠的初次出光进行光线打散，使光分散为立体面发光效果；反射杯作为第二次光学处理，将打散的光线进行反射收光成一定角度范围的光线射出，更加有效地对LED灯珠的出光进行混光后再收光，提高灯具的光线舒适度，并提高灯具的收光效率，使灯具不眩光、光线舒适、亮度提升、混光更加均匀。
本发明的LED灯，其外围主体结构可以和传统透镜结构的LED灯一致，可以直接替换使用，更易于生产，对成本的影响很低。
【附图说明】
图1是本发明实施例的LED灯组合方式示意图；
图2是本发明实施例的LED灯装配实施示意图；
图3是本发明实施例的泡壳实施方式示意图之一；
图4是本发明实施例的泡壳实施方式示意图之二；
图5是本发明实施例的泡壳实施方式示意图之三；
图6是本发明实施例的泡壳实施方式示意图之四；
图7是本发明实施例的泡壳实施方式示意图之五；
图8是本发明实施例的泡壳实施方式示意图之六；
图9-图13是本发明实施例的不同的LED灯珠组合实施方式示意图；
【具体实施方式】
下面通过具体的实施例并结合附图对本发明作进一步详细的描述。
如图1和图2所示，为本发明一种实施例的LED灯实施图示，包括反射杯1、泡壳2、LED灯珠3、电源5和外壳4，其LED灯珠3置于反射杯1的底部，并固定在外壳内部，通过电源5对LED灯珠3供电，反射杯1、泡壳2和LED灯珠3设置在外壳4内部，泡壳2罩设在LED灯珠3上方，通过折射、散射和漫射等作用，对LED灯珠的初次出光进行第一次光学处理，使光分散为立体面发光效果；反射杯容纳泡壳作为LED灯珠的二次光学处理，反射杯1将泡壳2打散的光线进行反射收光成一定角度范围的光线射出，更加有效地对LED灯珠初步出光进行混光后再收光，提高灯具的光线舒适度和角度的设计，并提高灯具的收光效率，使灯具不眩光、光线舒适、亮度提升、混光更加均匀。本例的结构，可以直接应用于现有结构的LED灯中，与现有结构常用配件结合，如铝基板，透镜，底座，玻璃盖(罩)等的。
泡壳的具体实施方式如图3-图8所示，泡壳可以设计各种形状，只要能保证其具备较好的混光和散光效果即可；例如，如图3所示，泡壳形状为灯泡形；如图4所示，泡壳形状为螺帽形；如图5所示，泡壳形状为草帽形，其顶部有小突起；如图6所示，泡壳形状为圆柱形，其顶部有突起；如图7所示，泡壳形状为蜡烛形；如图8所示，泡壳形状为灯泡形，其顶部设有圆形凹陷。泡壳可以采用玻璃磨砂或者喷粉、喷硅胶等不同处理方式，也可以采用80％以上、100％以下透光率的PC或PMMA等材料制成。
如图9-图13所示，为LED灯珠的LED芯片不同组合方式，包括：如图9所示的2颗红光LED芯片+2颗蓝光LED芯片；如图10所示的2颗白光LED芯片+2颗红光LED芯片；如图11和图12所示的不同颜色的组合；如图13所示的单色LED芯片等等。LED灯珠可以直接或者间接放置于反射杯或者外壳内。
本例的LED灯，可以应用为射灯类、球泡灯等灯具，也可以使用于相机、激光等信号发射和采集仪器上，其可以在不同环境下使用，使用范围广。
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本发明的保护范围。

Claims (10)

1.一种改善光效的LED灯，包括反射杯、泡壳、LED灯珠和外壳；所述反射杯容纳于所述壳体内；所述LED灯珠置于所述反射杯底部；所述泡壳罩设于所述LED灯珠上并置于所述反射杯内；所述泡壳对所述LED灯珠的出光作第一次光学处理，所述反射杯对经所述泡壳作第一次光学处理的出光作第二次光学处理。
2.根据权利要求1所述的LED灯，其特征在于：所述第一次光学处理，是将所述LED灯珠发出的光线进行混光和散光，形成所述泡壳的壳体立体面发光的处理效果。
3.根据权利要求2所述的LED灯，其特征在于：所述第二次光学处理，是将所述第一次光学处理后的光线在所述反射杯的内壁进行光线的反射并控制光斑和角度。
4.根据权利要求3所述的LED灯，其特征在于：所述LED灯珠包括红、橙、黄、绿、青、蓝、紫或白光之一种LED芯片或者多种LED芯片组合、一个LED芯片或多个LED芯片组合。
5.根据权利要求3所述的LED灯，其特征在于：所述泡壳由透光率大于或等于80％、小于100％的透光材料制成。
6.根据权利要求3所述的LED灯，其特征在于：所述泡壳包括磨砂玻璃壳体；或所述泡壳包括玻璃壳体，该玻璃壳体表面具有用于对光线产生漫射的喷涂层或涂胶层。
7.根据权利要求3所述的LED灯，其特征在于：所述反射杯内壁设置具光学效果或者修饰用的反光面。
8.根据权利要求3所述的LED灯，其特征在于：所述泡壳具有将光线进行表面发散的壳体结构；所述壳体结构为半球形、半梨形、圆柱形、草帽形、灯泡形、螺帽形、火焰型或蜡烛形中的一种。
9.一种LED灯的光效改善方法，包括：
第一次光学处理：采用泡壳，罩设于LED灯珠上并置于反射杯内；所述泡壳对所述LED灯珠的出光作第一次光学处理；
第二次光学处理：所述反射杯对经所述泡壳作第一次光学处理的出光作第二次光学处理。
10.如权利要求9所述的LED灯的光效改善方法，其特征是：所述第一次光学处理，是将所述LED灯珠发出的光线进行混光和散光，形成所述泡壳的壳体立体面发光的处理效果。
CN2011102179991A 2011-08-01 2011-08-01 改善光效的led灯及其光效改善方法 Pending CN102287646A (zh)

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CN103104885A (zh) * 2013-01-25 2013-05-15 刘磊 Led反光杯及实现多个出光角度的方法
CN103542325A (zh) * 2013-06-14 2014-01-29 秦彪 板形固态照明灯
CN103527959A (zh) * 2013-10-30 2014-01-22 杨进 一种led筒灯
CN104696737B (zh) * 2013-12-09 2017-02-15 欧普照明股份有限公司 一种灯具及其光学模组
CN105444123A (zh) * 2015-12-28 2016-03-30 深圳市百康光电有限公司 组合式led混光装置及具有该装置的led灯具
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