201002975 九、發明說明： 【發明所屬之技術領域】 本發明涉及一種照明裝置，尤指一種發光二極體照明 裝置。 【先前技術】 隨著科學技術進步，照明光源從一般鎢絲燈發展到發 光二極體（Light Emitting Diode，LED)。然，發光二極體之 發光面類似一半球面，發出之光線不均勻，發光二極體之 中心軸線區域所發出之光線較為集中。 【發明内容】 鑒於此’有必要提供一種出光均勻之發光二極體照明 裝置。 一種發光二極體照明裝置，包括一基座、至少一發光 二極體及一透鏡，該基座包括一基板，該至少—發光二極 體設置在基板上，該透鏡罩設於基座上，該透鏡之下表面 設置至少一微結構，該微結構與該發光二極體――對應， 且位於與其對應之發光二極體之中心軸線上。 一種發光二極體照明裝置，包括一基板、設置在該A 板週緣之一側壁、一透鏡以及複數發光二極體，該透鏡與 基板及側壁共同形成一密封空間，該複數發光二極體設置 在基板上且收容在該密封空間内，該透鏡之下表面間隔設 置有複數凹陷或凸起，該複數凹陷或凸起與該複數發光_ 6 201002975 極體—對應，每一個凹陷或凸起位於與其對廯之發光一 極體之中心軸線上，該透鏡之上表面於每一發光二極體之 中心軸線週圍分佈有複數凸起。 與習知技術相比較’本發明之發光二極體照明震置之 透鏡上開設有微結構’微結構分散每一發光二極體之中心 轴線區域之光線’使得從透鏡之下表面入射之光線較為均 勻。 ‘ 【實施方式】 如圖1、圖2、圖3及圖4所千，欢p 所不，發光二極體照明裝置 包括一基座1、—透鏡2及四個發光二極體、52、53、 54。基座1包括一基板η及一相丨 ^ 側壁12 ’該基板11為圓形 薄板’該侧壁12由基板U之外 成， 卜緣斜向上且向外凸伸形成 裱狀，側壁12上塗敷有反射材料 政土 -化诚ci 斜例如銀、水銀及鋁等。 Ίχ光—極體51、52、53、54以教4 佈於基板η上且形成-正转基板11之圓心為對稱點分 53、54構成該正方形之頂點/ ’母—發光二極體51、52、 透鏡2由透光材料製成 力等，透鏡2包括-上表面』如破璃、料樹脂及壓克 與下表面22相對設置，透鏡面22 ’上表面21 下表面22之週緣平貼於側壁*、土座1上，透鏡2之 共同形成-密駿間3，料_之_ ’透鏡2與基座1 於該密封空間3内。透鏡2 54山封 凹陷Μ，凹陷41由透鏡2置四個微結構，該微結構為 表面22向透鏡2内凹入形 7 201002975 成，凹陷41呈圓錐或棱錐狀，該四個凹陷41與發光二極 體51、52、53、54--對應，且每一凹陷41與其對應之 發光二極體共軸，即每一凹陷41分別位於與其對應之發光 二極體之中心軸線上。請一併參閱圖4，透鏡2之上表面 21等間距地設置9個凸起61、62、63、64、65、66、67、 68、69 ’形成三行三列之陣列形式，相鄰之四個凸起構成 一正方形’該正方形之中心位於一發光二極體之中心軸線 上’即每一發光二極體之中心軸線週圍對稱地分佈四個凸 起。例如，凸起61、62、64、65對稱分佈於發光二極體51 之中心軸線之週圍，凸起61、62、64、65形成一正方形； 凸起62、63、65、66對稱分佈於發光二極體52之中心軸 線之週圍，凸起62、63、65、66形成一正方形；凸起04、 65、67、68對稱分佈於發光二極體53之中心軸線之週圍， 凸起 64、65、67、 68形成一正方形；凸起65、66、68、69201002975 IX. Description of the Invention: [Technical Field] The present invention relates to a lighting device, and more particularly to a lighting diode lighting device. [Prior Art] With the advancement of science and technology, the illumination source has evolved from a general tungsten filament lamp to a Light Emitting Diode (LED). However, the light-emitting surface of the light-emitting diode is similar to a half-spherical surface, and the emitted light is uneven, and the light emitted from the central axis region of the light-emitting diode is concentrated. SUMMARY OF THE INVENTION In view of the above, it is necessary to provide a light-emitting diode lighting device having uniform light emission. A light-emitting diode lighting device includes a base, at least one light-emitting diode, and a lens, the base includes a substrate, and the at least one light-emitting diode is disposed on the substrate, and the lens cover is disposed on the base The lower surface of the lens is provided with at least one microstructure corresponding to the light-emitting diode and located on a central axis of the corresponding light-emitting diode. A light-emitting diode lighting device includes a substrate, a sidewall disposed on a periphery of the A-plate, a lens, and a plurality of light-emitting diodes. The lens forms a sealed space with the substrate and the sidewall, and the plurality of LEDs are disposed. On the substrate and housed in the sealed space, the lower surface of the lens is spaced apart by a plurality of depressions or protrusions corresponding to the plurality of illuminators _ 6 201002975 polar bodies, each of which is located at each of the depressions or protrusions On the central axis of the illuminating body of the pair, the upper surface of the lens is distributed with a plurality of protrusions around the central axis of each of the illuminating diodes. Compared with the prior art, the lens of the light-emitting diode illumination of the present invention is provided with a microstructure "microstructure dispersing the light of the central axis region of each of the light-emitting diodes" so that it is incident from the lower surface of the lens. The light is more even. [Embodiment] As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the illumination LED device includes a pedestal 1, a lens 2 and four light emitting diodes, 52. 53, 54. The base 1 includes a substrate η and a side wall 12'. The substrate 11 is a circular thin plate. The side wall 12 is formed by the outer surface of the substrate U. The edge is obliquely upward and outwardly convex to form a dome shape, and the side wall 12 is coated. It is coated with reflective material political soil - Huacheng ci oblique such as silver, mercury and aluminum. The phosphor-poles 51, 52, 53, 54 are arranged on the substrate η and the center of the --rotating substrate 11 is formed as a symmetrical point 53 and 54 to form the apex of the square / 'mother-light-emitting diode 51 52, the lens 2 is made of a light-transmitting material, etc., the lens 2 includes an upper surface, such as a glass, a resin, and a press is disposed opposite to the lower surface 22, and the peripheral surface of the lower surface 22 of the upper surface 21 of the lens surface 22' is flat. Attached to the side wall *, the soil seat 1, the lens 2 is formed together - the secret chamber 3, the material _ _ 'the lens 2 and the pedestal 1 in the sealed space 3. The lens 2 54 is a mountain depression depression, and the depression 41 is provided with four microstructures by the lens 2. The microstructure is a surface 22 which is formed into a concave shape 7 201002975 in the lens 2, and the depression 41 has a cone or a pyramid shape, and the four depressions 41 and The light-emitting diodes 51, 52, 53, 54 correspond to each other, and each of the recesses 41 is coaxial with its corresponding light-emitting diode, that is, each recess 41 is located on a central axis of the corresponding light-emitting diode. Referring to FIG. 4 together, the upper surface 21 of the lens 2 is equidistantly disposed with nine protrusions 61, 62, 63, 64, 65, 66, 67, 68, 69' forming an array of three rows and three columns, adjacent The four protrusions form a square 'the center of the square is located on the central axis of a light-emitting diode', that is, four protrusions are symmetrically distributed around the central axis of each of the light-emitting diodes. For example, the protrusions 61, 62, 64, 65 are symmetrically distributed around the central axis of the light-emitting diode 51, and the protrusions 61, 62, 64, 65 form a square; the protrusions 62, 63, 65, 66 are symmetrically distributed Around the central axis of the light-emitting diode 52, the protrusions 62, 63, 65, 66 form a square; the protrusions 04, 65, 67, 68 are symmetrically distributed around the central axis of the light-emitting diode 53, the protrusion 64 , 65, 67, 68 form a square; protrusions 65, 66, 68, 69
成形。 ’發光二極體51、52、53、Forming. 'Light-emitting diodes 51, 52, 53,
線區域之光線正辦相應之 鏡2之下表面22入射到透鏡2中，最終 21射出’由於每一凹陷41.位於與其對 -、52、53、54之中心軸線上，當發光二 54發出之光線射向透鏡2時，其中心軸 凹陷41，凹陷41具有發散作用， 8 201002975 故每-凹陷41發散與其相職之發光 之光線’使得入射到透鏡2之下表面2:之=心轴線區域 上表面η之凸起61、62、63、64、6 ^線分佈均句， 則起到聚光作用，具有較佳之指向性吏6^7、68、69 射向較遠之距離。 文传先線豎直向上 圖5 4本翻之又—較佳實財式 式不同之處在於，在上述設置凹陷41之位置;:上—實施方 下表面22設置四個凸起42，凸起 ，透鏡2之 向透鏡2外即向密封空間3突出形成。之下表面22 52、53、54發出之光線射向透鏡2時，其中先二極體51、 光線正對相應之凸起42，凸起42具有發==由線區域之 凸起42發散與其相對應之發光二極 :’故母- 線，使得入射到透鏡2之下表面22之= 線區域之光 面21之凸起61、62、63、64、65、66、J均勻’上表 到聚光個，具有較佳之指向 l 68、69則起 較遠之距離。 使仔先線豎直向上射向 綜上所述’本發明符合發明專利之 技:以上所述者僅為本發明之較二^ 或變化在爰依本發明精神所作之等效修掷 飞支化白應涵蓋於以下之申請專利範圍内。 【圖式簡單說明】 體示=為本發明發光二姉照明裝置-較佳實施例之立 201002975 圖2為圖1之立體爆炸示意圖。 圖3為圖1中沿ΠΙ - Π之剖面示意圖。 圖4為圖1之俯視圖。 圖5為本發明發光二極體照明裝置另一較佳實施例之 剖面示意圖。 【主要元件符號說明】 基座 1 基板 11 側壁 12 透鏡 2 上表面 21 下表面 22 密封空間 3 凹陷 41 發光二極體51、52、53、54 凸起 42、61、62、63、64、65、66、67、68、69 10The light in the line area is being incident on the lower surface 22 of the mirror 2 and incident on the lens 2, and finally 21 is emitted 'because each recess 41. is located on the central axis of its opposite -, 52, 53, 54 when the light emitting two 54 is emitted When the light is directed toward the lens 2, its central axis is recessed 41, and the recess 41 has a diverging effect, 8 201002975, so that each of the recesses 41 diverges with the light of the illuminating light of its own position so that it is incident on the lower surface of the lens 2: The protrusions 61, 62, 63, 64, and 6 lines of the upper surface η of the line region are uniformly distributed, and have a condensing effect, and have better directivity 吏6^7, 68, 69 to a relatively long distance. The first line of the text is vertically upwards. The difference between the two forms is that the position of the recess 41 is set at the above position; the upper surface 22 of the upper side is provided with four protrusions 42 and convex. From the outside of the lens 2, the lens 2 is formed to protrude toward the sealed space 3. When the light emitted by the lower surface 22 52, 53, 54 is directed toward the lens 2, wherein the first diode 51, the light is directly opposite the corresponding protrusion 42, the protrusion 42 has a hair == is diverge from the protrusion 42 of the line region Corresponding light-emitting diodes: 'The mother-wire is such that the projections 61, 62, 63, 64, 65, 66, J of the smooth surface 21 incident on the lower surface 22 of the lens 2 are uniform. To the spotlight, there is a better distance to l 68, 69 to a greater distance. The invention is directed to the vertical line upwards. The invention is in accordance with the invention patent: the above is only the second embodiment of the present invention or the equivalent flying fly in accordance with the spirit of the present invention. Whitening should be covered by the following patent applications. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 2 is a perspective view of the three-dimensional explosion of FIG. 1 . Figure 3 is a schematic cross-sectional view taken along line ΠΙ - 图 in Figure 1. Figure 4 is a plan view of Figure 1. Fig. 5 is a cross-sectional view showing another preferred embodiment of the illuminating diode illuminating device of the present invention. [Main component symbol description] Base 1 Substrate 11 Side wall 12 Lens 2 Upper surface 21 Lower surface 22 Sealed space 3 Recessed 41 Light-emitting diodes 51, 52, 53, 54 Projections 42, 61, 62, 63, 64, 65 , 66, 67, 68, 69 10