WO2022127700A1 - 反射式灯具 - Google Patents

反射式灯具 Download PDF

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Publication number
WO2022127700A1
WO2022127700A1 PCT/CN2021/137021 CN2021137021W WO2022127700A1 WO 2022127700 A1 WO2022127700 A1 WO 2022127700A1 CN 2021137021 W CN2021137021 W CN 2021137021W WO 2022127700 A1 WO2022127700 A1 WO 2022127700A1
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WO
WIPO (PCT)
Prior art keywords
reflective
substrate
light
lamp
light source
Prior art date
Application number
PCT/CN2021/137021
Other languages
English (en)
French (fr)
Inventor
姜松井
李小山
赵立伟
毛羽
刘海生
Original Assignee
欧普照明股份有限公司
苏州欧普照明有限公司
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Application filed by 欧普照明股份有限公司, 苏州欧普照明有限公司 filed Critical 欧普照明股份有限公司
Publication of WO2022127700A1 publication Critical patent/WO2022127700A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens 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
    • F21V7/05—Optical design plane
    • 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
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
    • 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]

Definitions

  • the present application relates to the field of lighting lamps, in particular to a reflective lamp, which can be used for lighting equipment such as dining chandeliers.
  • the present application provides a reflective lamp.
  • the travel distance of the light can be effectively extended and the thickness of the overall lamp can be reduced. , so that the lamps eventually become ultra-thin.
  • the present application provides a reflective lamp, comprising a substrate, a light source and a reflective element, wherein the light source is arranged on one side of the substrate, the reflective element is arranged on a side of the light source away from the substrate, and the reflective element is arranged on the side of the light source away from the substrate.
  • the light emitted by the light source is directed towards the reflective element, and is then reflected by the reflective element to one side of the substrate and emitted from the other side of the substrate.
  • the substrate is a transparent substrate, including one of a printed circuit board, a glass substrate, and a flexible circuit board.
  • printing dots are provided around the position of the substrate corresponding to the light source, so as to realize light mixing.
  • the light source includes a plurality of light emitting diodes.
  • the vertical distance between the reflective element and the substrate is greater than or equal to the vertical distance of the light source in the height direction.
  • the reflectivity of the reflective element is greater than or equal to 80%.
  • the material of the reflective element includes at least one of polyethylene terephthalate, polypropylene, polyvinyl chloride and metal.
  • the reflective element includes at least one of a reflective coating, a reflective film, and a reflective plate.
  • the reflective lamp further includes: a fixing element, the fixing element is disposed on the other side of the base plate, and the light passes through the base plate after passing through the base plate the fixing element.
  • the material of the fixing element includes at least one of glass, acrylic and polycarbonate.
  • the light transmittance of the fixing element is greater than or equal to 85%.
  • the fixing element is a fixing plate, which is fixed on the other side of the base plate; the fixing plate is provided on the other side of the base plate by lamination molding or adhesion. The other side.
  • the reflective lamp further includes an optical element, the optical element is disposed on the other side of the substrate, and the light passes through the substrate after passing through the substrate. the optical element.
  • the reflective lamp further includes an optical element, the optical element is disposed on a side of the fixing element away from the substrate, and the light passes through the fixing element The element then passes through the optical element.
  • the optical element includes several micro lenses to diffuse the light emitted by the light source.
  • the microlenses are microconvex lenses, and the microlenses are arranged in a mesh shape or a honeycomb shape.
  • the optical element includes at least one of an optical plate, an optical film, and an optical coating.
  • the surface of the optical element is subjected to at least one of anti-glare treatment, anti-reflection treatment and hardening treatment.
  • an anti-reflection coating is provided on the surface of the optical element.
  • the reflective lamp further includes a housing, and the optical element, the fixing element, the substrate, the light source and the reflective element are all disposed on the Inside the housing, only the surface of the optical element on the side away from the fixing element is exposed, and this surface is used as the light-emitting surface.
  • the side walls of the casing are provided with side reflection elements.
  • the side reflection element includes at least one of a reflective coating, a reflective film, and a reflective plate.
  • the material of the side reflection element includes at least one of polyethylene terephthalate, polypropylene, polyvinyl chloride and metal.
  • the light emitted by the light source first strikes the reflective element, and is scattered by the reflection of the reflective element, reflected back to the substrate, and then transmitted through the substrate and the fixing element, After reaching the optical element, it is uniformly diffused by the optical element, and then emitted to the outside of the reflective lamp.
  • the surface of the optical element is provided with an anti-reflection film, which can improve the transmittance of the optical element
  • the side wall of the housing is provided with a side reflection element, which can further improve the light traveling in the reflective lamp. distance, improve the utilization of light.
  • FIG. 1 is a schematic structural diagram of a reflective lamp provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a light walking path of the reflective lamp of FIG. 1;
  • FIG. 3 is a schematic diagram of another light walking path of the reflective lamp of FIG. 1;
  • Reflective lamp 100 Fixed element 110; Substrate 120;
  • Anti-reflection film 151 shell 160; side reflection element 161.
  • first, second, and the like may be used to describe various components, these components are not necessarily limited to the above terms.
  • the above expressions are only used to distinguish one element from another.
  • the terms “installation”, “connection”, “connection”, “fixing” and other terms should be interpreted in a broad sense.
  • the first feature is “Above” or “under” the second feature may include the first and second features in direct contact, or may include the first and second features not in direct contact but through another feature therebetween.
  • first feature being “above”, “over” and “above” the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature.
  • first feature is “below”, “below” and “below” the second feature includes the first feature is directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.
  • the present application provides a reflective lamp 100 including a substrate 120 , a light source 130 and a reflective element 140 , wherein the light source 130 is disposed on one side of the substrate 120 , the reflective element 140 is disposed on the side of the light source 130 away from the substrate 120 , the light emitted by the light source 130 is directed to the reflective element 140 , and the light is reflected by the reflective element 140 and then passes through The substrate 120 is emitted from the other side of the substrate 120 .
  • the light source 130 includes a plurality of light emitting diodes (LEDs), and the light source 130 composed of the plurality of light emitting diodes can ensure that the emitted light is more uniform.
  • LEDs light emitting diodes
  • the reflector light fixture 100 may be a panel light. Of course, it can also be other types of lamps that can be arranged according to the above-mentioned component relationship.
  • the substrate 120 is a transparent substrate, including a printed circuit board (PCB), a glass substrate, and a flexible circuit board (FPC). That is, the substrate may be a PCB substrate, a glass substrate, an FPC substrate or other types of substrates; preferably, the substrate 120 is a flexible transparent PCB substrate.
  • the thickness of the substrate 120 made of a flexible and transparent material is lighter and thinner, which is more conducive to the thinning of the reflective lamp 100 .
  • printing dots are arranged around the position of the substrate 120 corresponding to the light source 130 to realize light mixing.
  • the reflective element 140 includes at least one of a reflective coating, a reflective film, and a reflective plate. It will be introduced in detail below.
  • the reflective lamp 100 further includes a fixing element 110 .
  • the fixing element 110 is disposed on the other side of the substrate 120 for fixing the flexible transparent substrate.
  • the light passes through the fixing element 110 after passing through the substrate 120 .
  • the fixing element 110 is a transparent fixing element.
  • the fixing element 110 may also be provided with a hole for light to pass through and to form a certain shaped light spot or a preset optical effect.
  • the substrate 120 or other structures can also be configured into other shapes that allow light to pass through according to actual needs, instead of being limited to transparent materials.
  • the material of the fixing element 110 includes at least one of glass, acrylic and polycarbonate; the light transmittance of the fixing element 110 is greater than 85%.
  • the fixing element 110 is a fixing plate, which is fixed on the base plate 120 . It is conceivable that the fixing element 110 can also be disposed on the base plate 120 in other ways, such as being disposed on the base plate 120 by lamination molding, or disposed on the base plate 120 in an adhesive way. superior.
  • the reflective lamp 100 further includes an optical element 150 , and the optical element 150 is disposed on a side of the fixing element 110 away from the substrate 120 .
  • the light passes through the optical element 150 after passing through the fixing element 110 .
  • the optical element 150 includes a plurality of micro lenses to diffuse the light emitted by the light source 130 , so that the light emitted by the light source 130 through the optical element 150 is more uniform.
  • the micro-lenses are micro-convex lenses, and all the micro-lenses are arranged in a mesh shape or a honeycomb shape, so as to maximize the diffusion of the light emitted by the light source 130 .
  • the optical element 150 is composed of several micro-lenses arranged in a mesh or honeycomb shape, and these micro-lenses are connected to each other to form the optical element 150 .
  • the optical element 150 is disposed on the other side of the substrate 120 instead of the fixing element 110 , and the light directly passes through the substrate 120 after passing through the substrate 120 .
  • Optical element 150 . That is to say, the fixing element 110 is not an essential component, and it may be a plate-like structure for fixing the substrate 120; or a frame-like structure for fixing the substrate 120, at this time, the optical element 150 may It is directly arranged on the substrate 120 ; of course, the fixing element 110 can also be omitted directly, and the optical element 150 can be directly arranged on the substrate 120 .
  • the optical element 150 includes at least one of an optical plate, an optical film, and an optical coating.
  • the optical element 150 is an optical plate, which is fabricated independently, the optical plate is mounted to the other side of the substrate 120 or to the side of the fixing element 110 away from the substrate 120 .
  • the optical element 150 is an optical film, the optical film is adhered to the other side of the substrate 120 or to the other side of the fixing element 110 away from the substrate 120 .
  • the optical element 150 is an optical coating
  • the optical coating is deposited or coated on the other side of the substrate 120 or deposited or coated on the fixing element 110 away from the substrate 120 . The other side.
  • the micro lens is actually the optical element 150 when the optical plate, or the optical film, or the optical element 150 is formed. formed during the deposition of the coating.
  • the microlenses can also be formed in other ways.
  • the surface of the optical element 150 is subjected to at least one of anti-glare treatment, anti-reflection treatment and hardening treatment.
  • the surface of the optical element 150 may be the surface of the optical element 150 close to the fixing element 110, or the surface of the optical element 150 away from the fixing element 110;
  • the anti-glare treatment, the anti-reflection treatment and the hardening treatment may be performed on both surfaces of the optical element at the same time, or may be performed on only one of the surfaces.
  • the surface of the optical element 150 is subjected to at least one of anti-glare treatment, anti-reflection treatment and hardening treatment, specifically, only one of the anti-glare treatment, the anti-reflection treatment and the hardening treatment is required. That is, there may be two or three types, which are not specifically limited.
  • the anti-glare treatment may be to fabricate a roughened layer of unevenness on the surface of the optical element 150 to uniformly disperse the light passing through the optical element 150 to all directions, thereby achieving an anti-glare effect;
  • the anti-reflection treatment may be to coat a layer of anti-reflection type substance on the surface of the optical element 150, and use the principle of light interference to reduce its reflectivity, thereby increasing the transmittance of the optical element 150; the hardening treatment
  • a hardened layer may be formed on the surface of the optical element 150 to enhance the hardness, wear resistance and corrosion resistance of the optical element 150 .
  • the surface of the optical element 150 is provided with an anti-reflection film, which can improve the transmittance of the optical element.
  • the anti-reflection film can be a common anti-reflection film in the field of optical technology, and this application does not Repeat.
  • the reflective lamp 100 further includes a housing 160 , the optical element 150 , the fixing element 110 , the substrate 120 , the light source 130 and the The reflecting elements 140 are all disposed inside the casing 160 , and only the surface of the optical element 150 on the side away from the fixing element 110 is exposed, and the surface is used as a light emitting surface.
  • the reflective element 140 includes at least one of a reflective coating, a reflective film and a reflective plate. Specifically, when the reflecting element 140 is a reflecting plate, the reflecting plate is clamped on the casing 160 . When the reflective element 140 is a reflective film, the reflective film can be adhered to the casing 160 . When the reflective element 140 is a reflective coating, it can be deposited or directly coated on the casing 160 .
  • the side wall of the housing 160 is provided with a side reflection element 161, as shown in FIG.
  • the reflection can effectively extend the distance traveled by the side light, reduce the thickness of the reflective lamp 100 , and ultimately make the reflective lamp 100 ultra-thin.
  • the side reflection element 161 includes at least one of a reflective coating, a reflection film and a reflection plate.
  • the side reflection element 161 is not limited in its morphological structure, as long as it can reflect the light emitted by the light source 130 . Can.
  • the arrangement of the side reflection element 161 can be the same as the arrangement of the reflection element 140 , and the two can be prepared together on the casing or separately prepared and arranged on the casing.
  • the vertical distance between the reflection element 140 and the substrate 120 is greater than or equal to the vertical distance of the light source 130 in the height direction, so as to extend the reflection path of the light.
  • the specific value of the vertical distance between the substrates 120 can be set according to the actual situation, which is not limited in this embodiment.
  • the reflectivity of the reflective element 140 is greater than or equal to 80%.
  • the material of the reflection element 140 includes at least one of polyethylene terephthalate (PET), polypropylene (PP), polyvinyl chloride (PVC) and metal; the material of the side reflection element 161 includes At least one of polyethylene terephthalate (PET), polypropylene (PP), polyvinyl chloride (PVC) and metal.
  • the material of the reflection element 140 and the side reflection element 161 may be the same or different, which is not limited in this application.
  • the materials of the reflection element 140 and the side reflection element 161 are polyethylene terephthalate. Alcohol ester; the material of the reflection element 140 is polyvinyl chloride, and the material of the side reflection element 161 is metal or the like.
  • the light emitted by the light source 130 first strikes the reflective element 140 , the light is scattered by the reflection of the reflective element 140 , reflected back to the substrate 120 , and then transmitted through the substrate 120 and The fixing element 110 reaches the optical element 150 and is uniformly diffused by the optical element 150 before being emitted to the outside of the reflective lamp 100 .
  • the reflective element 140 By arranging the reflective element 140 on the side of the light source 130 away from the substrate 120 , the travel distance of the light can be effectively extended, the overall thickness of the reflective lamp 100 can be reduced, and the reflective lamp 100 can be finally become ultra-thin.
  • the surface of the optical element 150 is provided with an anti-reflection film 151, which can improve the transmittance of the optical element 150, and the side wall of the housing 160 is provided with a side reflection element 161, which can further improve the reflection type
  • the distance traveled by the light in the lamp 100 improves the utilization rate of the light.
  • a reflective lamp 100 provided by the embodiments of the present application has been introduced in detail above, and the principles and implementations of the present application are described by using specific examples.
  • Technical solutions and their core ideas; those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features; and these modifications or replacements do not The essence of the corresponding technical solutions is deviated from the scope of the technical solutions of the embodiments of the present application.

Abstract

一种反射式灯具（100），包括基板（120）、光源（130）以及反射元件（140），其中光源（130）设置于基板（120）的一侧，反射元件（140）设置于光源（130）远离基板（120）的一侧，由光源（130）发出的光线射向反射元件（140），再被反射元件（140）反射至基板（120的一侧，并从基板（120）的另一侧射出。通过将反射元件（140）设置于光源（130）远离基板（120）的一侧，可以有效地延长光线行走的路程，降低反射式灯具的整体厚度，使反射式灯具最终变的超薄化。

Description

反射式灯具
本申请要求了申请日为2020年12月17日，申请号为202011496954.8，发明名称为“反射式灯具”的中国专利申请的优先权，该项专利申请的全部内容通过引用结合在本申请中。
技术领域
本申请涉及照明灯领域，具体涉及一种反射式灯具，所述反射式灯具可用于餐吊灯等照明设备。
背景技术
随着社会经济的不断发展，人们的生活水平不断提高，各类的灯具等电气设备都广泛应用在人们的日常生活之中。现有的面板灯装置大多是直下式灯具，为保证良好的照明效果，从LED发出的光到面板需要有一定的距离才能保证灯具发出的光是均匀的，导致灯具整体比较厚。
因此，亟需一种照明灯具以解决上述问题。
发明内容
为了克服现有技术的不足，本申请提供了一种反射式灯具，通过将光源发出的光线先经过反射元件反射，再透过基板射出，可以有效的延长光线行走的路程，降低整体灯具的厚度，使灯具最终变的超薄化。
为实现上述发明目的，本申请采用如下技术方案：
本申请提供一种反射式灯具，包括基板、光源以及反射元件，其中所述光源设置于所述基板的一侧，所述反射元件设置于所述光源远离所述基板的一侧，由所述光源发出的光线射向所述反射元件，再被所述反射元件反射至所述基板的一侧，并从所述基板的另一侧射出。
可选的，在本申请的一些实施例中，所述基板为透明基板，包括印刷电路板、玻璃基板以及柔性电路板的其中一种。
可选的，在本申请的一些实施例中，所述基板对应所述光源的位置周围设置有印刷网点，以实现混光。
可选的，在本申请的一些实施例中，所述光源包括多个发光二极管。
可选的，在本申请的一些实施例中，所述反射元件与所述基板之间的垂直距离大于等于所述光源在高度方向上的垂直距离。
可选的，在本申请的一些实施例中，所述反射元件的反射率大于等于80％。
可选的，在本申请的一些实施例中，所述反射元件的材料包括聚对苯二甲酸乙二醇酯、聚丙烯、聚氯乙烯以及金属中的至少一种。
可选的，在本申请的一些实施例中，所述反射元件包括反射涂层、反射膜以及反射板中的至少一种。
可选的，在本申请的一些实施例中，所述反射式灯具还包括：固定元件，所述固定元件 设置于所述基板的另一侧，所述光线在穿过所述基板之后穿过所述固定元件。
可选的，在本申请的一些实施例中，所述固定元件的材料包括玻璃、亚克力以及聚碳酸酯中的至少一种。
可选的，在本申请的一些实施例中，所述固定元件的透光率大于等于85％。
可选的，在本申请的一些实施例中，所述固定元件为固定板，固定于所述基板的另一侧；所述固定板以层压成型或粘合的方式设置于所述基板的另一侧。
可选的，在本申请的一些实施例中，所述反射式灯具还包括光学元件，所述光学元件设置于所述基板的另一侧，所述光线在穿过所述基板之后穿过所述光学元件。
可选的，在本申请的一些实施例中，所述反射式灯具还包括光学元件，所述光学元件设置于所述固定元件远离所述基板的一侧，所述光线在穿过所述固定元件之后穿过所述光学元件。
可选的，在本申请的一些实施例中，所述光学元件包括若干个微型透镜，以扩散所述光源发出的光。
可选的，在本申请的一些实施例中，所述微型透镜为微型凸透镜，所述微型透镜排列成网状或者排列成蜂窝状。
可选的，在本申请的一些实施例中，所述光学元件包括光学板、光学膜、以及光学涂层中的至少一种。
可选的，在本申请的一些实施例中，所述光学元件的表面进行有抗眩光处理、抗反射处理以及硬化处理中的至少一种。
可选的，在本申请的一些实施例中，所述光学元件的表面设置有增透膜。
可选的，在本申请的一些实施例中，所述反射式灯具还包括壳体，所述光学元件、所述固定元件、所述基板、所述光源以及所述反射元件均设置于所述壳体内部，仅暴露出所述光学元件远离所述固定元件一侧的表面，并将该表面作为出光面。
可选的，在本申请的一些实施例中，所述壳体的侧壁设置有侧反射元件。
可选的，在本申请的一些实施例中，所述侧反射元件包括反射涂层、反射膜以及反射板中的至少一种。
可选的，在本申请的一些实施例中，所述侧反射元件的材料包括聚对苯二甲酸乙二醇酯、聚丙烯、聚氯乙烯以及金属中的至少一种。
本申请由于采用了如上所述技术方案，具有如下有益效果：
本申请通过所述光源发出的光线，首先射向所述反射元件，经过所述反射元件的反射将光线打散，并反射回到所述基板，再透过所述基板及所述固定元件，到达所述光学元件，经过所述光学元件均匀扩散以后，再射到所述反射式灯具外部。通过将所述反射元件设置于所述光源远离所述基板的一侧，可以有效地延长光线行走的路程，降低所述反射式灯具的整体厚度，使所述反射式灯具最终变的超薄化。
进一步地，所述光学元件表面设置有增透膜，可以提高所述光学元件的透过率，所述壳体的侧壁设置有侧反射元件，可以进一步提高所述反射式灯具内光线行走的路程，提高光线的利用率。
附图说明
下面结合附图，通过对本申请的具体实施方式详细描述，将使本申请的技术方案及其它有益效果显而易见。
图1为本申请实施例提供的反射式灯具的结构示意图；
图2为图1的反射式灯具的一种光线行走路径示意图；
图3为图1的反射式灯具的另一种光线行走路径示意图；
上述附图中的主要附图标记说明如下：
反射式灯具100；   固定元件110；          基板120；
光源130；         反射元件140；          光学元件150；
增透膜151；       壳体160；              侧反射元件161。
具体实施方式
在本申请中，在说明书全文中，当“第一”、“第二”等措辞可用于描述各种部件时，这些部件不必限于以上措辞。以上措辞仅用于将一个部件与另一部件区分开。除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，在本申请中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
下面结合附图对本申请作进一步描述：
请结合参阅图1至图2，如图1所示，本申请提供一种反射式灯具100，包括基板120、光源130以及反射元件140，其中所述光源130设置于所述基板120的一侧，所述反射元件140设置于所述光源130远离所述基板120的一侧，由所述光源130发出的光线射向所述反射元件140，所述光线由所述反射元件140反射之后穿过所述基板120并从所述基板120的另一侧射出。
如图2所示，本申请反射式灯具100通过将所述反射元件140设置于所述光源130远离所述基板120的一侧，可以有效地延长光线行走的路程，降低所述反射式灯具100的厚度，使所述反射式灯具100最终变的超薄化。所述光源130包括多个发光二极管(LED)，多个发光二极管组成的所述光源130可以保证发出的光更加均匀。
在一实施例中，所述反射式灯具100可以是面板灯。当然，还可以是能够按照上述构件 关系进行设置的其他类型的灯具。
在一实施例中，所述基板120为透明基板，包括印刷电路板(PCB)、玻璃基板以及柔性电路板(FPC)。也就是说，所述基板可以是PCB基板、玻璃基板以及FPC基板或其他类型的基板；优选地，所述基板120为柔性透明PCB基板。采用柔性透明材质的所述基板120的厚度更轻薄，更有利于所述反射式灯具100的薄型化。优选地，所述基板120对应所述光源130的位置周围设置有印刷网点，以实现混光。
在一实施例中，所述反射元件140包括反射涂层、反射膜以及反射板中的至少一种。下面还会具体介绍。
在一实施例中，所述反射式灯具100还包括固定元件110。所述固定元件110设置于所述基板120的另一侧，用来固定所述柔性透明基板。所述光线在穿过所述基板120之后穿过所述固定元件110。优选地，所述固定元件110为透明固定元件。当然，所述固定元件110也可以设置有孔，以供光线穿过，并形成一定造型的光斑或预设的光学效果。同样地，所述基板120或其他结构也可以根据实际需要设置成其它可供光线穿过的造型，而非仅局限于透明材质。所述固定元件110的材料包括玻璃、亚克力以及聚碳酸酯中的至少一种；所述固定元件110的透光率大于85％。在其中一实施例中，所述固定元件110为固定板，其固定于所述基板120上。能够想到的是，所述固定元件110还能够以其他方式设置于所述基板120上，例如以层压成型的方式设置于所述基板120上，或者以粘合的方式设置于所述基板120上。
在一实施例中，所述反射式灯具100还包括光学元件150，所述光学元件150设置于所述固定元件110远离所述基板120的一侧。所述光线在穿过所述固定元件110之后穿过所述光学元件150。优选地，所述光学元件150包括有若干个微型透镜，以扩散所述光源130发出的光线，使所述光源130透过所述光学元件150射出的光线更加均匀。在其中一实施例中，所述微型透镜为微型凸透镜，所有的微型透镜排列成网状，或者排列成蜂窝状，以最大程度地扩散所述光源130发出的光线。更进一步地讲，所述光学元件150就是由若干个排列成网状或蜂窝状的微型透镜组成的，这些微型透镜相互连接形成所述光学元件150。
在另一实施例中，所述光学元件150设置于所述基板120的另一侧，而非设置于所述固定元件110上，所述光线在穿过所述基板120之后直接穿过所述光学元件150。也就是说，所述固定元件110并非必要构件，其可以呈板状结构用来固定所述基板120；或者，呈框状结构用来固定所述基板120，此时，所述光学元件150可以直接设置于所述基板120上；当然，也可以直接略去所述固定元件110，而将所述光学元件150直接设置于所述基板120上。
在其中一实施例中，所述光学元件150包括光学板、光学膜、以及光学涂层中的至少一种。例如，当所述光学元件150为光学板时，其独立制作而成，所述光学板安装至所述基板120的另一侧或者安装至所述固定元件110远离所述基板120的一侧。当所述光学元件150为光学膜时，所述光学膜粘合于所述基板120的另一侧或者粘合于所述固定元件110远离所 述基板120的另一侧。当所述光学元件150是光学涂层时，所述光学涂层通过沉积或涂覆于所述基板120的另一侧又或是沉积或涂覆于所述固定元件110远离所述基板120的另一侧。
根据上述结构设计，还可以想到的是，在其中一实施例中，所述微型透镜实际上就是所述光学元件150在形成所述光学板时，或形成所述光学膜时或者在所述光学涂层的沉积过程中形成的。当然，还可以通过其他方式制作形成所述微型透镜。
在一实施例中，所述光学元件150的表面进行有抗眩光处理、抗反射处理以及硬化处理中的至少一种。需要注意的是，本实施例中所述光学元件150的表面可以是所述光学元件150靠近所述固定元件110的表面，也可以是所述光学元件150远离所述固定元件110的表面；所述抗眩光处理、所述抗反射处理以及所述硬化处理可以同时在所述光学元件的两个表面同时进行，也可以只在其中一个表面进行。所述光学元件150的表面进行有抗眩光处理、抗反射处理以及硬化处理中的至少一种，具体指的是，所述抗眩光处理、所述抗反射处理以及所述硬化处理中只要有一种即可，也可以是两种或3种，具体不做限制。所述抗眩光处理可以是在所述光学元件150的表面制作一层凹凸状的粗化处理层，将透过所述光学元件150的光线均匀分散至各个方向，从而起到抗眩光的效果；所述抗反射处理可以是在所述光学元件150的表面涂一层抗反射型物质，利用光的干涉原理来降低其反射率，从而提高所述光学元件150的透过率；所述硬化处理可以是在所述光学元件150的表面制作一层硬化处理层，以增强所述光学元件150的硬度、耐磨度和抗侵蚀能力。
在一实施例中，所述光学元件150的表面设置有增透膜，可以提高所述光学元件的透过率，所述增透膜可以光学技术领域一常见的增透膜，本申请不再赘述。
请结合参阅图1及图3，如图1所示，所述反射式灯具100还包括壳体160，所述光学元件150、所述固定元件110、所述基板120、所述光源130以及所述反射元件140均设置于所述壳体160内部，仅暴露出所述光学元件150远离所述固定元件110一侧的表面，并将该表面作为出光面。在其中一实施例中，所述反射元件140包括反射涂层、反射膜以及反射板中的至少一种。具体地讲，当所述反射元件140为反射板时，将所述反射板卡固于所述壳体160上。当所述反射元件140为反射膜时，可以将所述反射膜粘合于所述壳体160上。当所述反射元件140为反射涂层时，其可以沉积的方式或直接涂覆于所述壳体160上。
在一实施例中，所述壳体160的侧壁设置有侧反射元件161，如图3所示，所述侧反射元件161可以将所述反射式灯具100边缘的所述光源130发出的光进行反射，可以有效地延长侧面光线行走的路程，降低所述反射式灯具100的厚度，使所述反射式灯具100最终变的超薄化。所述侧反射元件161包括反射涂层、反射膜以及反射板中的至少一种，换句话说，所述侧反射元件161并不限定其形态结构，只要能够反射所述光源130发出的光即可。此外，所述侧反射元件161的设置方式可以与所述反射元件140的设置方式相同，两者可以一起制备于所述壳体上或分开制备设置于所述壳体上。
在上述实施例中，所述反射元件140与所述基板120之间的垂直距离大于等于所述光源 130在高度方向上的垂直距离，以延长所述光线的反射路径，所述反射元件140与所述基板120之间的垂直距离的具体数值可以根据实际情况进行设定，本实施例不作限定。优选地，所述反射元件140的反射率大于等于80％。所述反射元件140的材料包括聚对苯二甲酸乙二醇酯(PET)、聚丙烯(PP)、聚氯乙烯(PVC)以及金属中的至少一种；所述侧反射元件161的材料包括聚对苯二甲酸乙二醇酯(PET)、聚丙烯(PP)、聚氯乙烯(PVC)以及金属中的至少一种。所述反射元件140与所述侧反射元件161的材料可以相同也可以不同，本申请不作限定，例如：所述反射元件140以及所述侧反射元件161的材料均为聚对苯二甲酸乙二醇酯；所述反射元件140的材料为聚氯乙烯，所述侧反射元件161的材料为金属等。
本申请通过所述光源130发出的光线，首先射向所述反射元件140，经过所述反射元件140的反射将光线打散，并反射回到所述基板120，再透过所述基板120及所述固定元件110，到达所述光学元件150，经过所述光学元件150均匀扩散以后，再射到所述反射式灯具100外部。通过将所述反射元件140设置于所述光源130远离所述基板120的一侧，可以有效地延长光线行走的路程，降低所述反射式灯具100的整体厚度，使所述反射式灯具100最终变的超薄化。
进一步地，所述光学元件150表面设置有增透膜151，可以提高所述光学元件150的透过率，所述壳体160的侧壁设置有侧反射元件161，可以进一步提高所述反射式灯具100内光线行走的路程，提高光线的利用率。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
以上对本申请实施例所提供的一种反射式灯具100进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的技术方案及其核心思想；本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例的技术方案的范围。

Claims (23)

  1. 一种反射式灯具，包括基板、光源以及反射元件，其中，所述光源设置于所述基板的一侧，所述反射元件设置于所述光源远离所述基板的一侧，由所述光源发出的光线射向所述反射元件，再被所述反射元件反射至所述基板的一侧，并从所述基板的另一侧射出。
  2. 如权利要求1所述的反射式灯具，其中，所述基板为透明基板，包括印刷电路板、玻璃基板以及柔性电路板的其中一种。
  3. 如权利要求1所述的反射式灯具，其中，所述基板对应所述光源的位置周围设置有印刷网点，以实现混光。
  4. 如权利要求1所述的反射式灯具，其中，所述光源包括多个发光二极管。
  5. 如权利要求1所述的反射式灯具，其中，所述反射元件与所述基板之间的垂直距离大于等于所述光源在高度方向上的垂直距离。
  6. 如权利要求1所述的反射式灯具，其中，所述反射元件的反射率大于等于80％。
  7. 如权利要求1所述的反射式灯具，其中，所述反射元件的材料包括聚对苯二甲酸乙二醇酯、聚丙烯、聚氯乙烯以及金属中的至少一种。
  8. 如权利要求1所述的反射式灯具，其中，所述反射元件包括反射涂层、反射膜以及反射板中的至少一种。
  9. 如权利要求1所述的反射式灯具，其中，所述反射式灯具还包括：固定元件，所述固定元件设置于所述基板的另一侧，所述光线在穿过所述基板之后穿过所述固定元件。
  10. 如权利要求9所述的反射式灯具，其中，所述固定元件的材料包括玻璃、亚克力以及聚碳酸酯中的至少一种。
  11. 如权利要求9所述的反射式灯具，其中，所述固定元件的透光率大于等于85％。
  12. 如权利要求9所述的反射式灯具，其中，所述固定元件为固定板，固定于所述基板的另一侧；所述固定板以层压成型或粘合的方式设置于所述基板的另一侧。
  13. 如权利要求1所述的反射式灯具，其中，所述反射式灯具还包括光学元件，所述光学元件设置于所述基板的另一侧，所述光线在穿过所述基板之后穿过所述光学元件。
  14. 如权利要求9所述的反射式灯具，其中，所述反射式灯具还包括光学元件，所述光学元件设置于所述固定元件远离所述基板的一侧，所述光线在穿过所述固定元件之后穿过所述光学元件。
  15. 如权利要求13或14所述的反射式灯具，其中，所述光学元件包括若干个微型透镜，以扩散所述光源发出的光。
  16. 如权利要求15所述的反射式灯具，其中，所述微型透镜为微型凸透镜，所述微型透镜排列成网状或者排列成蜂窝状。
  17. 如权利要求16所述的反射式灯具，其中，所述光学元件包括光学板、光学膜、以 及光学涂层中的至少一种。
  18. 如权利要求17所述的反射式灯具，其中，所述光学元件的表面进行有抗眩光处理、抗反射处理以及硬化处理中的至少一种。
  19. 如权利要求17所述的反射式灯具，其中，所述光学元件的表面设置有增透膜。
  20. 如权利要求14所述的反射式灯具，其中，所述反射式灯具还包括壳体，所述光学元件、所述固定元件、所述基板、所述光源以及所述反射元件均设置于所述壳体内部，仅暴露出所述光学元件远离所述固定元件一侧的表面，并将该表面作为出光面。
  21. 如权利要求20所述的反射式灯具，其中，所述壳体的侧壁设置有侧反射元件。
  22. 如权利要求21所述的反射式灯具，其中，所述侧反射元件包括反射涂层、反射膜以及反射板中的至少一种。
  23. 如权利要求21所述的反射式灯具，其中，所述侧反射元件的材料包括聚对苯二甲酸乙二醇酯、聚丙烯、聚氯乙烯以及金属中的至少一种。
PCT/CN2021/137021 2020-12-17 2021-12-10 反射式灯具 WO2022127700A1 (zh)

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