WO2009155788A1 - 具有辅助照明的嵌入式灯具 - Google Patents

具有辅助照明的嵌入式灯具 Download PDF

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Publication number
WO2009155788A1
WO2009155788A1 PCT/CN2009/000709 CN2009000709W WO2009155788A1 WO 2009155788 A1 WO2009155788 A1 WO 2009155788A1 CN 2009000709 W CN2009000709 W CN 2009000709W WO 2009155788 A1 WO2009155788 A1 WO 2009155788A1
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WO
WIPO (PCT)
Prior art keywords
light
auxiliary
layer
light source
guiding layer
Prior art date
Application number
PCT/CN2009/000709
Other languages
English (en)
French (fr)
Inventor
武良举
吴洁纯
Original Assignee
Wu Liangju
Wu Jiechun
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wu Liangju, Wu Jiechun filed Critical Wu Liangju
Priority to EP09768713A priority Critical patent/EP2309170A4/en
Publication of WO2009155788A1 publication Critical patent/WO2009155788A1/zh

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • 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
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • 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
    • 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]
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity

Definitions

  • the present invention relates to a light fixture, and more particularly to a light fixture with auxiliary illumination.
  • a light fixture In modern interior decoration, for the sake of aesthetics and lighting, some embedded lamps are usually installed on the wall panels of ceilings, walls, furniture, etc., and existing embedded lamps are generally illuminated by a single light source, and the lighting effect is relatively high. Simplification, not suitable for the diversified requirements of modern home decoration lighting, and when different scenes require different intensity illumination, single source illumination can not be well applied, which requires the generation of dual or multi-source lighting fixtures.
  • the illumination will have multiple point-like light source focal points, the light coming out is not soft enough, and the lighting is not simple, the lighting effect of the lamps is poor, and the appearance is also lack of beauty. . Therefore, it is necessary to provide a luminaire with a simple structure, a beautiful appearance, a good lighting effect, and an auxiliary light source with the advantages of soft light, uniformity, and simplicity.
  • a recessed luminaire with auxiliary illumination comprising a main light source and at least one auxiliary light source, further comprising a light guiding layer having an opposite first side And a second surface, the first surface of the light guiding layer is provided with a dimming mesh point, and the auxiliary light source is disposed on at least one side of the light guiding layer, and the light is directed to the light guiding layer.
  • the light guiding layer is mounted at the luminaire panel, and the auxiliary light source is disposed around the main light source.
  • the auxiliary light source may be arranged in a square or circular or circular shape around the outside of the main light source, and may be disposed on the front side of the lamp panel and/or on the back of the panel and/or on the outside of the panel and/or on the inside of the panel.
  • the auxiliary light source may adopt one or two or more LED lamps or energy-saving lamps or general illumination lamps, or a set of auxiliary illuminations, or may be combined with multiple sets of auxiliary light sources according to actual application requirements, and may adopt different colors.
  • the combination of auxiliary light sources combines diverse, aesthetically pleasing and practical lighting fixtures.
  • the light guiding layer is made of a transparent material such as a transparent material such as PC, acrylic, glass, crystal or other transparent plastic. According to the actual lamp panel shape and the auxiliary lighting design, the light guiding layer can be in the shape of a square plate layer or a fan plate layer or an annular plate layer. A circular or square diffusion point is provided on the first surface of the light guiding layer, that is, a dimming mesh point. When light is incident on the dimming mesh points, the reflected light will diffuse to various angles, and then the reflective condition is destroyed by the light guiding.
  • the second side (front side) of the layer is ejected, and the light guiding layer can be uniformly illuminated by using various dimming and dimming dots of different sizes.
  • the dimming network dot can be formed by using various methods, and a dimming dot can be formed on the first surface of the light guiding layer by using an etching method, or a dimming dot can be printed on the first surface of the light guiding layer by ink printing, or The laser is engraved on the first side of the light guiding layer to form a dimming dot.
  • the auxiliary light source is disposed on at least one side of the light guiding layer, and the auxiliary light source may be disposed on opposite or adjacent sides of the light guiding layer or on three or four sides of the light guiding layer as needed. According to the different settings of the auxiliary light source, the size distribution of the dimming mesh on the light guiding layer should be changed accordingly.
  • the auxiliary light source is disposed on opposite sides of the light guiding layer, and the size of the dimming mesh point gradually increases from the two side light sources to the middle direction. To achieve a uniform light output.
  • the auxiliary light source is further provided with a light source reflector outside, and the light source reflector has an opening facing the light guiding layer, and reflects the light of the auxiliary light source to the light guiding layer to improve the utilization ratio of the light source.
  • the reflector can be reflective by a reflective film, a mirror, or the like.
  • an external shielding structure such as opaque plastic, stainless steel hood, and light shielding film can be added outside the auxiliary light source to avoid direct injection of the auxiliary light source. Lighting effect.
  • the light shielding film may be separately disposed on one or both sides or three sides of the auxiliary light source as needed, or may be designed by a structure of the light shielding film, for example, a ring structure having a folded edge, etc., and one light shielding film may be used to block both sides or more of the auxiliary light source at the same time.
  • the recessed luminaire with auxiliary illumination further includes a reflective layer disposed outside the first side of the light guiding layer. The light of the auxiliary light source that is directed to the light guiding layer is partially emitted from the first surface of the light guiding layer and can be reflected back by the reflective layer. The second surface of the light guiding layer is emitted, thereby improving the use efficiency of the light source.
  • the recessed luminaire with auxiliary illumination further includes a diffusion layer disposed outside the second side of the light guiding layer.
  • the diffusion layer further combines the emitted light.
  • the recessed luminaire with auxiliary illumination further includes a light collecting layer disposed outside the diffusion layer '.
  • the diffused light can be uniformly emitted from the front side, enhance the front exit light intensity, and improve the use efficiency of the light source.
  • the reflective layer, the diffusion layer, and the light-concentrating layer can be realized by using a conventional ordinary reflection film/reflecting sheet, a diffusion sheet, and a light collecting sheet.
  • a transparent acrylic layer or a crystal layer or a translucent decorative material layer such as a glass layer or a glaze layer is provided on the outermost surface of the exit surface of the auxiliary light source to increase the aesthetic appearance and increase the variation pattern of the illumination light.
  • a reflective film or a light shielding film may be disposed on the side surfaces of the light guiding layer, the diffusion layer and the light collecting layer to prevent light from leaking, enhance the brightness of the emitted light, and improve the utilization of light energy.
  • the embedded lamp with auxiliary illumination of the utility model has the advantages of simple structure, beautiful appearance and good lighting effect, and the light of the auxiliary illumination is very soft and uniform through the function of the light guiding layer, and is suitable for The requirements of various lighting scenes; and the focus of the auxiliary lighting can be effectively hidden, no multiple spots appear, the appearance is simple and beautiful; the user can selectively switch the main lighting and / or auxiliary lighting, the auxiliary of the lamp Lighting is used as a night light or for decoration.
  • FIG. 1 is a schematic structural view of an embedded luminaire with auxiliary illumination according to the present invention
  • FIG. 2 is a partial enlarged view of a portion A of FIG. 1
  • FIG. 3 is a schematic diagram of a simple structure of an auxiliary illumination portion of the luminaire of the present invention.
  • 4 is a simplified schematic view of a lamp face portion of a built-in luminaire with auxiliary illumination according to the present invention
  • FIG. 5 is a view showing a state of use of the embedded luminaire with auxiliary illumination according to the present invention
  • 6 is a schematic diagram of the function of the dimming mesh point on the light guiding layer in the present invention
  • FIG. 1 is a schematic structural view of an embedded luminaire with auxiliary illumination according to the present invention
  • FIG. 2 is a partial enlarged view of a portion A of FIG. 1
  • FIG. 3 is a schematic diagram of a simple structure of an auxiliary illumination portion of the luminaire of the present invention.
  • 4 is a simplified schematic view of a lamp face portion
  • FIG. 7 is a simple schematic view of the dimming mesh point on the light guiding layer in the present invention
  • FIG. 8 is a guide in the utility model Schematic diagram of the optical path of the light layer and the reflective layer
  • FIG. 9 is a schematic diagram of the optical path of the light guiding layer and the diffusion layer in the present invention
  • FIG. 10 is a side view of one embodiment of the present invention incorporating the light shielding layer
  • FIG. 12 is a side view of the second embodiment of the present invention incorporating a light shielding layer
  • FIG. 13 is a perspective view of the second embodiment of the present invention incorporating a light shielding layer.
  • a recessed luminaire with auxiliary illumination includes a main light source 10 and an auxiliary light source 5, which further includes a light guiding layer 1 disposed on the light guiding layer 1 On the side, the light is directed to the light guiding layer 1, and the light guiding layer 1 is made of a transparent material such as PC, acrylic, glass, crystal or transparent plastic.
  • the light guiding layer 1 has opposite first and second faces 11 and 12, and the first surface 11 of the light guiding layer is provided with a dimming dot 13 .
  • a circular dimming mesh point 13 is disposed on the first surface 11 of the light guiding layer.
  • the light guiding layer can be uniformly illuminated by using various dimming and dimming dots of different sizes.
  • the area design of the dimming dots 13 also gradually increases.
  • the efficiency of guiding the light as the distance increases Gradually increasing, that is, as the distance from the light source increases, the area of the dimming dot 13 increases.
  • the dimming dot 13 can be formed by using various methods, and a dimming dot can be formed on the first surface of the light guiding layer by using an etching method, or a dimming dot can be printed on the first surface of the light guiding layer by ink printing, or A laser is used to engrave the dimming mesh point on the first surface of the light guiding layer.
  • a light source reflector 6 is further disposed outside the auxiliary light source. Referring to FIG. 3, the light source reflector has an opening toward the light guiding layer.
  • the embedded luminaire with auxiliary illumination further includes a reflective layer 2, a diffusion layer 3 and a light collecting layer 4.
  • the reflective layer 2 is disposed outside the first surface 11 of the light guiding layer 1.
  • the light of the auxiliary light source 5 that emits the light guiding layer is partially emitted from the first surface of the light guiding layer, and can be reflected back through the reflective layer, from the second surface of the light guiding layer.
  • the light is emitted to improve the efficiency of the light source.
  • the schematic diagram is shown in Fig. 8.
  • the diffusion layer 3 is disposed outside the second surface 12 of the light guiding layer 1.
  • the diffusion layer 3 further diffuses and homogenizes the emitted light.
  • the schematic diagram is as shown in FIG.
  • the light collecting layer 4 is disposed outside the diffusion layer 3.
  • the light collecting layer 4 can uniformly diffuse the diffused light from the front surface, enhance the front exit light intensity, and improve the use efficiency of the light source.
  • an external shielding structure can be added outside the auxiliary light source 5, and the light shielding sheet 9 disposed outside the auxiliary light source 5 as shown in FIG. 2 can prevent the light of the LED from directly emitting and affecting the lighting effect.
  • the visor 9 can have different embodiments depending on the design of the auxiliary light source and the actual application. Referring to FIG. 10 and FIG. 11 , FIG. 100 is a lamp base with a cover, 10 is a main light source, and a reflective layer 2 is disposed above the light guiding layer 1 to improve the efficiency of use of the light source, and the auxiliary light source 5 is embedded in the circular light guide.
  • the inner side of the layer 1 is further provided with a light shielding sheet 9 below the light guiding layer 1.
  • the light shielding sheet 9 is an annular structure having an inner folded edge, and the inner folded edge covers the inside of the annular light guiding layer 1.
  • the light shielding sheet 9 blocks the LED circuit board of the auxiliary light source 5 from the inner side and the outer surface of the light guiding layer 1 to make the lamp more beautiful and the light projection more uniform and soft.
  • the auxiliary light source 5 in this embodiment is embedded in the outer side of the annular light guiding layer 1
  • the light shielding sheet 9 is an annular structure having an outer folded edge, and the outer folded edge covers the annular light guiding layer 1 .
  • the outer side of the light shielding sheet 9 blocks the LED circuit board of the auxiliary light source 5 from the outer side and the outer surface of the light guiding layer 1, so that the lighter is more beautiful and the light projection is more uniform and soft.
  • the auxiliary light source may be provided on one or two or more LED lights or general illumination lamps, on the front side of the lamp panel and/or on the back of the panel and/or on the outside of the panel and/or on the inside of the panel.
  • a set of LED lamps is used as the auxiliary light source 5 disposed inside the panel, and is disposed annularly around the main light source 10, as shown in FIGS. 1 and 4.
  • the reflective layer 2, the light guiding layer 1, the diffusion layer 3 and the light collecting layer 4 are sequentially disposed at the panel position, and the light of the LED lamp is emitted from the front surface of the lamp through the light guiding layer 1, the reflective layer 2, the diffusion layer 3 and the light collecting layer 4.
  • the light is even, soft and simple.
  • decorative layers such as glass, crystal and glass can be added to the outermost layer of the lamp panel to make it more beautiful. According to the requirements of practical applications, multiple sets of auxiliary light sources can be combined, and multiple sets of auxiliary light sources of different colors can be combined to combine diverse, aesthetic and practical lighting fixtures.
  • the light guiding layer can also be disposed in the position of the panel of the lamp, for example, only in the inner ring position of the lamp panel, forming a part of the annular auxiliary lighting effect outside the main illumination; and the light-emitting material can also be disposed on the panel part of the lamp.
  • the other part uses a light-shielding material.
  • the outer ring of the lamp panel is made of transparent material such as acrylic or glass, and the inner ring is made of opaque material to form a ring-shaped isolated design between the main illumination and the auxiliary illumination of the outer ring. This allows for a wide range of lighting effects and a variety of different appearances of recessed luminaires. Referring to FIG.
  • the main light source 10 is surrounded by an auxiliary light source 5, and the auxiliary illumination is disposed on the lamp surface outside the installed ceiling, and the user can freely switch the main illumination according to different lighting requirements. / or auxiliary lighting.
  • the recessed luminaire can be attached with a fire hood for safety and fire protection.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Planar Illumination Modules (AREA)

Description

具有辅助照明的嵌入式灯具
【技术领域】 本实用新型涉及一种灯具， 尤其是指一种具有辅助照明的灯具。 【背景技术】 现代室内装修中， 为了美观以及照明作用， 通常在吊顶、 包墙、 家私等地方的壁 板上安装一些嵌入式灯具， 现有嵌入式灯具一般采用单个光源照明， 照明效果较为单 一化， 不适应现代家居装饰照明的多样化要求， 而且在不同场景需要不同强度光照的 时候， 单个光源照明不能很好的适用， 这就需要有双光源或多光源照明灯具的产生。 然而， 如果简单加设多个 LED辅灯的做法虽然满足多光源要求， 但其光照会出现多个 点状光源焦点， 出来的光线不够柔和， 也不简洁， 灯具照明效果差， 外观也缺乏美感。 因此， 提供一种结构简单、 外形美观、 照明效果好， 具有光线柔和、 均匀、 简洁 等优点的辅助光源照明的灯具实为必要。
【发明内容】 本实用新型的目的在于提供一种结构简单， 外形美观， 具有装饰效果， 照明效果 好， 具有辅助照明的灯具， 用户可根据需要， 有选择性开关主照明和 /或辅助照明。 为实现本实用新型目的， 提供以下技术方案： 一种具有辅助照明的嵌入式灯具， 其包括主光源和至少一个辅助光源， 其进一步 包括有导光层， 该导光层具有相对的第一面和第二面， 该导光层的第一面上设有调光 网点， 该辅助光源设置于导光层的至少一侧面， 其光线射向导光层。 该导光层安装于灯具面板处， 该辅助光源围绕主光源设置。 该辅助光源可呈方形 或圆形或环形围绕主光源外侧设置， 可设置于灯具面板正面和 /或面板背面和 /或面板 外侧和 /或面板内侧。 该辅助光源可采用一个或两个或多个 LED灯或节能灯或普通照明 灯， 以一组辅助照明， 或者根据实际应用的要求， 可采用多组辅助光源结合， 并且可 以采用不同颜色的多组辅助光源结合， 组合出多样化、 富有美感且实用的照明灯具。
确认本 导光层采用透明材质， 如采用 PC、 亚克力、 玻璃、 水晶及其他透明塑料等透明材 料。 根据实际灯具面板形状以及辅助照明的配套设计， 导光层可以采用为方形板层或 扇形板层或环形板层等形状。 在导光层的第一面上设有圆形或方形的扩散点， 也就是调光网点， 当光线射到这 些调光网点时， 反射光会往各个角度扩散， 然后破坏反射条件由导光层第二面（正面） 射出， 利用各种疏密、 大小不一的调光网点， 可使导光层均匀发光。 光线在导光层内部传播时， 在光源附近可用的光能量最高， 并且随着远离光源而 逐渐减弱， 因此为了达到均匀出光的效果， 随着距离的增加， 将光导引出来的效率要 逐渐提高， 也就是随着与光源的距离增加， 调光网点的面积增大。 该调光网点可采用多种方法制作， 可使用蚀刻方式在导光层的第一面上形成调光 网点， 或采用油墨印刷在导光层的第一面上印刷出调光网点， 或者采用激光在导光层 的第一面上雕刻形成调光网点。 该辅助光源设置于导光层的至少一侧面， 根据需要还可将辅助光源设置在导光层 的相对或相邻两个侧面， 或设置在导光层的三个或四个侧面。 根据辅助光源不同的设 置， 该导光层上的调光网点的大小分布因应改变， 例如辅助光源设置在导光层的相对 两个侧面， 调光网点的大小由两边光源向中间方向逐渐变大， 从而达到均匀出光的效 果。 该辅助光源外部还设有光源反射罩， 该光源反射罩具有朝向导光层的开口， 将辅 助光源的光线反射向导光层， 提高光源的利用率。 该反射罩可以采用反射膜、 反射镜 等达到反射目的。 为达到更好的外观效果， 获得更简洁美观的照明， 可在辅助光源外面加设外观遮 挡结构， 如不透光塑料、 不锈钢遮光罩、 遮光片等， 避免辅助光源的光线直接射出而 影响了照明效果。 可以根据需要分别在辅助光源的一面或两面或三面设置遮光片， 也 可以通过遮光片结构的设计， 例如设计成具有折边的环形结构等， 使用一个遮光片可 以同时遮挡辅助光源的两面或以上。 该具有辅助照明的嵌入式灯具进一步包括有反射层， 该反射层设置在导光层第一 面外。辅助光源射向导光层的光线有部分从导光层第一面射出，可经反射层反射回来, 从导光层第二面出射， 从而提高光源的使用效率。 该具有辅助照明的嵌入式灯具进一步包括有扩散层， 该扩散层设置在导光层第二 面外。 该扩散层进一步将出射光线均勾化。 该具有辅助照明的嵌入式灯具进一步包括有集光层， 该集光层设置在所述扩散层' 外。 可将扩散的光线统一从正面射出， 增强正面出射光强， 提高光源的使用效率。 上述反射层、 扩散层、 集光层均可采用现有的普通反射膜 /反射片、 扩散片、 集 光片来实现。 在该辅助光源的出射面最外层设有透明的亚克力层或水晶层或玻璃层或琉璃层 等透光性装饰材料层， 可增加外观美感， 并增加照射光线的变化式样。 在导光层、 扩散层、 集光层的侧面可设有反射膜或遮光膜， 以防止光线散漏， 并 加强出射光线的亮度， 提高光能利用率。 对比现有技术， 本实用新型具有以下优点： 本实用新型具有辅助照明的嵌入式灯具结构简单、 外形美观、 照明效果好， 通过 导光层的作用， 其辅助照明的光线十分柔和均匀， 适用于各种照明场景的要求； 并且 辅助照明的灯光焦点可有效隐藏， 不会出现多个光点， 外观简洁美观； 使用者可有选 择性的开关主照明和 /或辅助照明， 将该灯具的辅助照明作夜灯使用或做装饰使用。
【附图说明】 图 1为本实用新型具有辅助照明的嵌入式灯具的结构示意图； 图 2为图 1中 A部分的局部放大视图； 图 3为本实用新型灯具的辅助照明部分的简单结构示意图； 图 4为本实用新型具有辅助照明的嵌入式灯具的灯面部分简单示意图； 图 5为本实用新型具有辅助照明的嵌入式灯具的使用状态图； 图 6为本实用新型中的导光层上的调光网点的作用原理示意图; 图 7为本实用新型中的导光层上的调光网点的简单示意图； 图 8为本实用新型中的导光层和反射层的光路原理示意图； 图 9为本实用新型中的导光层和扩散层的光路原理示意图； 图 10为本实用新型加入遮光层的实施例之一的侧视图； 图 11为本实用新型加入遮光层的实施例之一的立体图； 图 12为本实用新型加入遮光层的实施例之二的侧视图； 图 13为本实用新型加入遮光层的实施例之二的立体图。
【具体实施方式】 请参阅图广图 4， 一种具有辅助照明的嵌入式灯具， 其包括主光源 10和辅助光源 5 , 其进一步包括有导光层 1， 该辅助光源设置于导光层 1的侧面， 其光线射向导光层 1， 导光层 1采用 PC、 亚克力、 玻璃、 水晶、 透明塑料等透明材料。 该导光层 1具有相对的 第一面 11和第二面 12 , 该导光层的第一面 11上设有调光网点 13。 请参阅图 3、 图 6和图 7, 在导光层】的第一面 1 1上设有圆形的调光网点 13, 当光线 射到这些调光网点 13时， 反射光会往各个角度扩散， 然后破坏反射条件由导光层第二 面 12射出， 利用各种疏密、 大小不一的调光网点， 可使导光层均匀发光。 随着与光源 的距离增加， 调光网点 13的面积设计也逐渐增大。 光线在导光层 1内部传播时， 在光 源附近可用的光能量最高， 并且随着远离光源而逐渐减弱， 因此为了达到均匀出光的 效果， 随着距离的增加， 将光导引出来的效率耍逐渐提高， 也就是随着与光源的距离 增加， 调光网点 13的面积增大。 该调光网点 13可采用多种方法制作， 可使用蚀刻方式在导光层的第一面上形成调 光网点， 或采用油墨印刷在导光层的第一面上印刷出调光网点， 或者采用激光在导光 层的第一面上雕刻形成调光网点。 该辅助光源外部还设有光源反射罩 6, 请参阅图 3， 该光源反射罩具有朝向导光层 的开口。 请参阅图 2， 该具有辅助照明的嵌入式灯具进一步包括有反射层 2、 扩散层 3和集 光层 4。 该反射层 2设置在导光层 1第一面 11外， 辅助光源 5射向导光层的光线有部分从 导光层第一面射出， 可经反射层反射回来， 从导光层第二面出射， 从而提高光源的使 用效率， 其原理图如图 8所示。 该扩散层 3设置在导光层 1第二面 12外， 该扩散层 3进一 步将出射光线扩散、 均匀化， 其原理图如图 9所示。 该集光层 4设置在所述扩散层 3外， 集光层 4可将扩散的光线统一从正面射出， 增强正面出射光强， 提高光源的使用效率。 作为更佳实施例， 可在辅助光源 5外面加设外观遮挡结构， 如图 2所示的设置在辅助光 源 5外的遮光片 9 , 避免 LED的光线直接射出而影响了照明效果。 该遮光片 9可根据辅助光源的设计以及实际应用情况， 有不同的实施方式。 请参 阅图 10和图 11， 图中 100为带有筒罩的灯具底座， 10为主光源， 导光层 1的上方设有反 射层 2， 以提高光源使用效率， 辅助光源 5嵌入环形导光层 1的内侧边， 导光层 1的下方 还设有遮光片 9， 该实施例中， 遮光片 9为具有内折边的环形结构， 该内折边包覆环形 导光层 1的内侧边， 遮光片 9从导光层 1的内侧边和外表面两个方向遮挡住辅助光源 5的 LED线路板， 使灯具更美观， 光线投射更均匀柔和。 请参阅图 12和图 13， 该实施例中的辅助光源 5嵌入环形导光层 1的外侧边， 遮光片 9为具有外折边的环形结构， 该外折边包覆环形导光层 1的外侧边， 遮光片 9从导光层 1 的外侧边和外表面两个方向遮挡住辅助光源 5的 LED线路板， 使灯具更美观， 光线投射 更均匀柔和。 该辅助光源可采用一个或两个或多个 LED灯或普通照明灯， 设置于灯具面板正面 和 /或面板背面和 /或面板外侧和 /或面板内侧。 在本实施例中， 采用一组 LED灯作为辅 助光源 5设置在面板内侧， 围绕主光源 10环形设置， 如图 1和图 4所示。 反射层 2、 导光 层 1、 扩散层 3和集光层 4依次设置在面板位置， LED灯的光线经由导光层 1、 反射层 2、 扩散层 3和集光层 4, 从灯具正面出射， 光线均匀、 柔和、 简单， 另外可在灯具面板最 外层加设玻璃、 水晶、 琉璃等装饰层， 使之更美观。 根据实际应用的要求， 可采用多组辅助光源结合， 并且可以采用不同颜色的多组 辅助光源结合， 组合出多样化、 富有美感且实用的照明灯具。 从照明变化和灯具外观 设计方面考虑， 该导光层还可以在灯具面板位置部分设置， 例如只在灯具面板内圈位 置设置， 形成主照明外的部分环状辅助照明效果； 还可以将灯具面板部分设置透光材 料， 另一部分采用遮光材料， 例如灯具面板外圈采用压克力、 玻璃等透明材料， 内圈 采用不透光材料， 形成主照明与外圈辅助照明之间有一环状隔离的外观设计。 从而可 做出多种多样的照明效果和各式不同外观的嵌入式灯具。 该具有辅助照明的嵌入式灯具的使用状态请参阅图 5， 主光源 10外围绕有辅助光 源 5， 辅助照明设置于灯面， 位于安装的天花板外， 用户可因应不同照明要求自由开 关主照明和 /或辅助照明。 该嵌入式灯具可以附加灯具防火筒罩， 起到安全、 防火作 用。 以上所述仅为本实用新型的较佳实施例， 本实用新型的保护范围并不局限于此， 任何基于本实用新型技术方案上的等效变换均属于本实用新型保护范围之内。

Claims

权 利 要 求
1、 一种具有辅助照明的嵌入式灯具， 其包括主光源和至少一个辅助光源， 其特 征在于， 其进一步包括有导光层， 该导光层采用透明材质， 其具有相对的第一面和第 二面， 该导光层的第一面上设有调光网点， 该辅助光源设置于导光层的至少一侧面， 其光线射向导光层。
2、 如权利要求 1所述的具有辅助照明的嵌入式灯具， 其特征在于， 该导光层安装 于灯具面板处， 该辅助光源围绕主光源设置。
3、 如权利要求 2所述的具有辅助照明的嵌入式灯具， 其特征在于， 该辅助光源呈 方形或圆形或环形围绕主光源外侧设置。
4、 如权利要求 3所述的具有辅助照明的嵌入式灯具， 其特征在于， 该辅助光源设 置于灯具面板正面和 /或面板背面和 /或面板外侧和 /或面板内侧。
5、 如权利要求 4所述的具有辅助照明的嵌入式灯具， 其特征在于， 在导光层侧面 设有反射膜或遮光膜。
6、 如权利要求 1所述的具有辅助照明的嵌入式灯具， 其特征在于， 该辅助光源采 用一个或两个或多个 LED灯或节能灯或普通照明灯。
7、 如权利要求广 6中任意一项所述的具有辅助照明的嵌入式灯具， 其特征在于， 其进一步包括有反射层， 该反射层设置在导光层第一面外。
8、 如权利要求 7所述的具有辅助照明的嵌入式灯具， 其特征在于， 其进一步包括 有扩散层， 该扩散层设置在导光层第二面外。
9、 如权利要求 8所述的具有辅助照明的嵌入式灯具， 其特征在于， 其进一步包括 有集光层， 该集光层设置在扩散层外。
10、 如权利要求 9所述的具有辅助照明的嵌入式灯具， 其特征在于， 在该辅助光 源外设有反射罩， 该反射罩幵口朝向所述导光层。
11、如权利要求 10所述的具有辅助照明的嵌入式灯具， 其特征在于， 在该导光层、 扩散层、 集光层的侧面设有反射膜或遮光膜。
12、 如权利要求广 6中任意一项所述的具有辅助照明的嵌入式灯具， 该辅助光源 外设有遮挡结构。
13、 如权利要求广 6中任意一项所述的具有辅助照明的嵌入式灯具， 其特征在于， 其采用蚀刻法在导光层的第一面上形成调光网点。
14、 如权利要求广 6中任意一项所述的具有辅助照明的嵌入式灯具， 其特征在于， 其采用油墨印刷方法在导光层的第一面上形成调光网点。
15、 如权利要求广 6中任意一项所述的具有辅助照明的嵌入式灯具， 其特征在于， 其采用激光雕刻方法在导光层的第一面上形成调光网点。
16、 如权利要求广 6中任意一项所述的具有辅助照明的嵌入式灯具， 其特征在于， 该导光层采用 PC、 亚克力、 玻璃、 水晶及其他透明塑料。
17、 如权利要求广 6中任意一项所述的具有辅助照明的嵌入式灯具， 其特征在于， 该导光层为方形板层或扇形板层或环形板层。
18、如权利要求广 6中任意一项所述的具有辅助照明的嵌入式灯具， 其特征在于， 在该辅助光源的出射面最外层设有透明的亚克力层或水晶层或玻璃层或琉璃层等透 光性装饰材料层。
19、如权利要求广 6中任意一项所述的具有辅助照明的嵌入式灯具， 其特征在于， 与辅助光源距离越远的调光网点， 该调光网点的面积越大。
20、 如权利要求 12所述的具有辅助照明的嵌入式灯具， 其特征在于， 该遮挡结构 为具有外折边的环形结构， 遮光片从导光层的外侧边和外表面两个方向遮挡住辅助光 源。
21、 如权利要求 12所述的具有辅助照明的嵌入式灯具， 其特征在于， 该遮挡结构 为具有内折边的环形结构， 遮光片从导光层的内侧边和外表面两个方向遮挡住辅助光 源。
PCT/CN2009/000709 2008-06-25 2009-06-25 具有辅助照明的嵌入式灯具 WO2009155788A1 (zh)

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