CN107388054A - Rgbw均匀混光反射筒 - Google Patents

Rgbw均匀混光反射筒 Download PDF

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CN107388054A
CN107388054A CN201710616844.2A CN201710616844A CN107388054A CN 107388054 A CN107388054 A CN 107388054A CN 201710616844 A CN201710616844 A CN 201710616844A CN 107388054 A CN107388054 A CN 107388054A
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led
light
rgbw
uniform mixed
lens
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沈建志
涂国远
区长富
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JIANGMEN JIHUA OPTOELECTRONIC PRECISION CO Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-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
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-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
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/62Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using mixing chambers, e.g. housings with reflective walls
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-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
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/68Details of reflectors forming part of the light source
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-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
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/69Details of refractors forming part of the light source
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/502Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/503Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • F21V5/007Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • F21V5/008Combination of two or more successive refractors along an optical axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/04Optical design
    • F21V7/05Optical design plane
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/30Elements containing photoluminescent material distinct from or spaced from the light source
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/40Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2105/00Planar light sources
    • F21Y2105/10Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2113/00Combination of light sources
    • F21Y2113/10Combination of light sources of different colours
    • F21Y2113/13Combination of light sources of different colours comprising an assembly of point-like light sources
    • F21Y2113/17Combination of light sources of different colours comprising an assembly of point-like light sources forming a single encapsulated light source
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Abstract

本发明公开了RGBW均匀混光反射筒,包括筒体,筒体的上端设置有出光透镜,出光透镜内部设置有与出光透镜的折射率不一样的透明珠体,筒体内壁设置有用于反射光线的反射镜,筒体下端设置有发光板,所述发光板上设置有多个安装孔,每个安装孔均安装有RGBW四色LED其中的一种LED,发光板上方设置有聚光透镜,聚光透镜内部设置有与聚光透镜的折射率不一样的透明珠体。发光板发出的多色光首先通过聚光透镜进行混光,再通过反射镜进行反射混光,最后在发射出去的时候再经过出光透镜进行混光,这样可有效解决多光色LED混光不均匀的问题,大大提高了混光效果,本发明设置的透明珠体可以大大加强混光效果。

Description

RGBW均匀混光反射筒
技术领域
本发明涉及一种反射筒,特别是一种RGBW均匀混光反射筒。
背景技术
反射筒通常用于传导光线,在多种设备中均有使用,以前的反射筒用于传导单色光,不存在混光的问题,而现在由于市场的需求,往往需要一些特殊颜色的光,这就需要利用已有的色光调和出需要的色光,但是现有反射筒无法将各种颜色的光均匀地混合在一起,或者混光效果十分差,无法满足需求。
发明内容
为解决上述问题,本发明的目的在于提供一种具有良好混光效果的RGBW均匀混光反射筒。
本发明解决其问题所采用的技术方案是:RGBW均匀混光反射筒,包括筒体,筒体的上端设置有出光透镜,出光透镜内部设置有与出光透镜的折射率不一样的透明珠体,筒体内壁设置有用于反射光线的反射镜,筒体下端设置有发光板,所述发光板上设置有多个安装孔,每个安装孔均安装有RGBW四色LED其中的一种LED,发光板上方设置有聚光透镜,聚光透镜内部设置有与聚光透镜的折射率不一样的透明珠体。优选的,所述透明珠体的材质为水晶,所述出光透镜和聚光透镜的材质均为玻璃。
进一步,RGBW四色LED包括红色LED、绿色LED、蓝色LED以及白色LED,上述LED均包括LED芯片、用于增强散热性的散热通道、用于透射较强光线的透光层和用于透射较弱光线的透光部,所述透光层和透光部内均填充有荧光粉,所述透光部的厚度大于透光层的厚度。本发明通过设置散热通道大大加强了LED封装结构的散热能力;本发明将较强光线通过厚度较薄的透光层透射出去,而将较弱光线通过厚度较厚的透光部透射出去,使得LED芯片的透射光的色温整体看起来比较均匀。
进一步,所述散热通道包括微散热通道,所述微散热通道设置有两处且分别对称地设置于散热通道的两侧。本发明设置的微散热通道,可以进一步加强本发明的散热能力;本发明将微散热通道对称地设置于散热通道的两侧,可以使得本发明散热均匀,有效避免了封装结构各个部分的温差过高。
进一步,设置有安装内腔,所述LED芯片设置于安装内腔中。本发明将LED芯片设置于安装内腔中,有利于LED芯片的保护,延长产品的使用寿命。
进一步,设置有用于增加LED芯片的光线利用率的反射层,所述反射层设置于安装内腔的下方。一般LED芯片的光线都是向四周射出,而向LED芯片的安装底面射出的光线却无法得到有效的利用,因此本发明在LED芯片的下方设置有反射层,这样可以有效提高LED芯片的光线利用率。
进一步,设置有用于保护反射层的保护层,所述反射层设置于保护层的内部。本发明设置有保护层,并且将反射层设置于保护层之内,这样可以有效防止反射层的银被硫化,提高反射层的使用寿命。
进一步,所述透光层从上到下的厚度逐渐加厚。由于LED芯片两侧的光线较弱,这样设计可以使得较弱的光线通过较厚的荧光粉,从而使得光线的色温更加均匀。
本发明的有益效果是:本发明是RGBW均匀混光反射筒,发光板发出的多色光首先通过聚光透镜进行混光,再通过反射镜进行反射混光,最后在发射出去的时候再经过出光透镜进行混光,这样可有效解决多光色LED混光不均匀的问题,大大提高了混光效果,本发明设置的透明珠体可以大大加强混光效果。
附图说明
下面结合附图和实例对本发明作进一步说明。
图1是本发明的立体图;
图2是本发明的剖面图;
图3是本发明LED的结构图。
具体实施方式
图1是本发明的立体图,图2是本发明的剖面图,图3是本发明LED的结构图,如图1至图3所示,本发明是RGBW均匀混光反射筒,包括筒体9,筒体9的上端设置有出光透镜10,出光透镜10内部设置有与出光透镜10的折射率不一样的透明珠体11,筒体9内壁设置有用于反射光线的反射镜12,筒体9下端设置有发光板13,所述发光板13上设置有多个安装孔14,每个安装孔14均安装有RGBW四色LED其中的一种LED,发光板13上方设置有聚光透镜15,聚光透镜15内部设置有与聚光透镜15的折射率不一样的透明珠体11。优选的,所述透明珠体11的材质为水晶,所述出光透镜10和聚光透镜15的材质均为玻璃。发光板13发出的多色光首先通过聚光透镜15进行混光,再通过反射镜12进行反射,最后在发射出去的时候再经过出光透镜10进行混光,这样可有效解决多光色LED混光不均匀的问题,大大提高了混光效果。所述筒体9可以设置为筒体9中部凹陷形成腰形,即筒体9从上至中尺寸逐渐减小,筒体9从中至下尺寸再逐渐增大,这样可以进一步加强混光效果,这个实施例未在图中画出。
优选的,本发明的RGBW四色LED包括红色LED、绿色LED、蓝色LED以及白色LED,上述LED均包括LED芯片1、用于增强散热性的散热通道2、用于透射较强光线的透光层3和用于透射较弱光线的透光部4,所述透光层3和透光部4内均填充有荧光粉,所述透光部4的厚度大于透光层3的厚度。本发明通过设置散热通道2大大加强了LED封装结构的散热能力;本发明将较强光线通过厚度较薄的透光层3透射出去,而将较弱光线通过厚度较厚的透光部4透射出去,使得LED芯片1的透射光的色温整体看起来比较均匀。所述散热通道2包括微散热通道5,所述微散热通道5设置有两处且分别对称地设置于散热通道2的两侧。本发明设置的微散热通道5,可以进一步加强本发明的散热能力;本发明将微散热通道5对称地设置于散热通道2的两侧,可以使得本发明散热均匀,有效避免了封装结构各个部分的温差过高。
优选的,本发明还设置有安装内腔6,所述LED芯片1设置于安装内腔6中。本发明将LED芯片1设置于安装内腔6中,有利于LED芯片1的保护,延长产品的使用寿命。本发明还设置有用于增加LED芯片1的光线利用率的反射层7,所述反射层7设置于安装内腔6的下方。一般LED芯片1的光线都是向四周射出,而向LED芯片1的安装底面射出的光线却无法得到有效的利用,因此本发明在LED芯片1的下方设置有反射层7,这样可以有效提高LED芯片1的光线利用率。本发明还设置有用于保护反射层7的保护层8,所述反射层7设置于保护层8的内部。本发明设置有保护层8,并且将反射层7设置于保护层8之内,这样可以有效防止反射层7的银被硫化,提高反射层7的使用寿命。本发明的透光层3从上到下的厚度逐渐加厚。由于LED芯片1两侧的光线较弱,这样设计可以使得较弱的光线通过较厚的荧光粉,从而使得光线的色温更加均匀。
以上所述,只是本发明的较佳实施例而已,本发明并不局限于上述实施方式,只要其以相同的手段达到本发明的技术效果,都应属于本发明的保护范围。

Claims (8)

1.RGBW均匀混光反射筒,其特征在于:包括筒体(9),筒体(9)的上端设置有出光透镜(10),出光透镜(10)内部设置有与出光透镜(10)的折射率不一样的透明珠体(11),筒体(9)内壁设置有用于反射光线的反射镜(12),筒体(9)下端设置有发光板(13),所述发光板(13)上设置有多个安装孔(14),每个安装孔(14)均安装有RGBW四色LED其中的一种LED,发光板(13)上方设置有聚光透镜(15),聚光透镜(15)内部设置有与聚光透镜(15)的折射率不一样的透明珠体(11)。
2.根据权利要求1所述的RGBW均匀混光反射筒,其特征在于:所述透明珠体(11)的材质为水晶。
3.根据权利要求1所述的均匀混光反射筒,其特征在于:所述RGBW四色LED包括红色LED、绿色LED、蓝色LED以及白色LED,上述LED均包括LED芯片(1)、用于增强散热性的散热通道(2)、用于透射较强光线的透光层(3)和用于透射较弱光线的透光部(4),所述透光层(3)和透光部(4)内均填充有荧光粉,所述透光部(4)的厚度大于透光层(3)的厚度。
4.根据权利要求3所述的均匀混光反射筒,其特征在于:所述散热通道(2)包括微散热通道(5),所述微散热通道(5)设置有两处且分别对称地设置于散热通道(2)的两侧。
5.根据权利要求3所述的RGBW均匀混光反射筒,其特征在于:设置有安装内腔(6),所述LED芯片(1)设置于安装内腔(6)中。
6.根据权利要求5所述的均匀混光反射筒,其特征在于:设置有用于增加LED芯片(1)的光线利用率的反射层(7),所述反射层(7)设置于安装内腔(6)的下方。
7.根据权利要求6所述的均匀混光反射筒,其特征在于:设置有用于保护反射层(7)的保护层(8),所述反射层(7)设置于保护层(8)的内部。
8.根据权利要求3所述的均匀混光反射筒,其特征在于:所述透光层(3)从上到下的厚度逐渐加厚。
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