201000815 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，特別係指一種發光二 極體燈具。 【先前技術】 發光二極體作為一種新興的第三代光源，因其具 有工作壽命長、節能、環保等優點而普遍被市場看好。 由發光二極體組成的模組能產生高亮度的光源，正曰 益取代白熾燈等習知的光源在燈具中得到應用，比如 室内照明燈具。然而，發光二極體模組提供的是點光 源，容易造成眩光，肉眼直視該點光源會感到不適， 嚴重地甚至會損傷眼睛。 【發明内容】 有鑒於此，有必要提供一種光效柔和的發光二極體燈 具。 一種發光二極體燈具，包括一燈罩及一發光二極體模 組，該燈罩圍成一凹槽，該發光二極體模組收容在凹槽中 並貼設在該燈罩的底部内壁上，該燈罩上與該發光二極體 模組相對的頂部設有一開口，該燈具還包括一反光條，該 反光條收容在該凹槽中，該反光條與該燈罩連接並與該發 光二極體模組間隔相對，該發光二極體模組發出的至少部 分光線先照射到反光條，然後藉由該反光條反射到燈罩的 内壁，最後藉由該燈罩的内壁反射向該開口的外側照射。 6 201000815 所述發光二極體模組的光線均會經過該反光條或燈罩 的反射，然後再通過開口照射出去，人眼從該開口的外側 任何角度都不能直接看到該等發光二極體，從而該發光二 極體燈具可提供形成較為柔和的面光源，避免了眩光現象。 【實施方式】 下面參照圖示，結合實施例詳細說明本發明。 請參照圖1，所示為本發明一較佳實施例的發光二極體 燈具100 ’該燈具100包括一燈罩10、一發光二極體模組 30及一反光條50，該燈罩1〇為一内凹的殼體，該發光二 極體模組30貼設在該燈罩1〇的内側，該反光條50藉由螺 釘60與該燈罩10連接，該反光條5〇與該發光二極體模組 30及燈罩10的内壁間隔相對。 請同時參照圖2,該燈罩10包括一殼體11及兩個端板 ^ ’該殼體11沿縱長方向延伸，其橫截面大致成拱形，該 殼體11包括一底板及兩個側板113，該底板U1位於 該燈罩10的底部，該兩個側板113自該底板ιη的兩側傾 斜向上延伸，該殼體U包括一拱形内壁115。該底板ηι 上間隔設有複數通孔116。 該兩個端板13為梯形平板，該兩個端板13分別一體 連接於該底板111及二側板113的縱向兩端，每一端板13 具有一内壁135，該内壁135與拱形内壁115相鄰，從而該 殼體11與端板13合圍形成一凹槽15,該燈罩1〇上與底板 相對的頂部設有一開口 156。該凹槽15的寬度沿從該 7 201000815 底板111到該開口 156，即從底部往頂部的方向逐漸變寬。 该拱形㈣115及㈣135的表面塗时高反射性的材 料’比如鍵鎳或鑛銘。 所述發光二極體模組30包括—基板31及複數發光二 極體33。該基板31沿與底板lu的方向平行延伸。該等發 光二極體33沿縱向均勻間隔地安裝在該基板31上。該基 板3ί上開設複數通孔36’鮮軌％分別與所述底板m 的通孔116對應。該基板31上與發光二極體％相對的一 側覆蓋一層印刷電路。 s月同日守參照圖3，該反光條 〜顶/邪科碌叙遐丄丄的狭 形内壁115的輪廓相似，該反光條5〇為縱長形並沿該殼體 11的延伸方向設置在發光二極體模組3G的正上方。該反光 條50的橫截面成三角拱形，該反光條5G的縱向沿與基板 31平行的方向延伸。該反光條5〇的内部開設一橫截面為三 角形的凹槽51。該反光條5〇句衽 汆加包括一反光面53，該反光面 53位於該反光條5G面對該縣二極體模組㈣一侧。該 53由：個交又平面構成’該兩個平面形成的夾角指 向發光二極體33，該；5忠而q从 反先面53的兩侧相對於發光二極體 33向開口 156方向倾祖。^^ s止 斜忒反先面53的表面塗附有高反射 性的材料，比如錢鎳布4 次鍍鋁該反光條50上設有複數固定 孔56。該等固定孔命.s π κ m ，、通孔36、116相對應，所述螺絲 60可穿過通孔36、116奸田七产m〜 作 6並固疋在固定孔56中，從而將反光 條50與燈罩10連接固定。 每發光一極體33具有一圓形發光面330，該發光面 8 201000815 330朝向開口 156並與反光條50的反光面53相對。該發光 面330上任意一點與該反光面53的邊緣點的連線和燈罩1〇 的拱形内壁115或内壁135相交。本實施例中，從該發光 面330的邊緣出射並與反光面53的邊緣相切的光線相交於 該拱形内壁115或内壁135的邊緣，如光線70。因此，該 發光面330發出的一部分光線71首先照射到反光面53j^ 然後經反射照射到内壁115或内壁135上，接著藉由内壁 115或内壁135反射再向開口 156的方向照射。該發光面 330發出的另外一部分光線72直接照射到該殼體u的内壁 115或端板13的内壁135上，接著藉由内壁115或内壁 反射向開口 156的方向照射。 總而言之，所述發光二極體33的光線均會經過該反光 條50或燈罩10的反射，然後再通過該開口 156照射出去。 因此’使用時，人眼從該燈具1〇〇的開口 156的外側任何 角度都不能直接看到該等發光二極體33所發出的光線，藉 由反光條50或燈罩1〇的反射，發光二極體33發出的光線 從該燈罩10的内侧面的各個方向向開口 156的外侧照射， 從而形成較為柔和的面光源，避免了眩光現象。 所述反光條50的形狀也不限於三角拱形，圖4所示為 本發明另一較佳實施的發光二極體燈具200，該燈具200 具有與燈具1〇〇相似的形狀結構，不同之處在於：該燈具 200使用了一橫截面為圓弧拱形的反光條5〇a，該反光條5〇a 包括一沿縱長方向延伸的反光面53a，該反光面53a的輪廓 與拱形内壁115的輪廓相似。 9 201000815 專利Ϊΐ所^本發明符合發明專利之要件，鋒法提出 熟悉本ΐ技藝之較佳實施例’舉凡 【圖式簡單說明】 圖1是本發明的發光二極 體: 體組合圖。 燈具的一較佳實施例的立 圖2是圖χ所示發光二極 圖 體燈具的另1度立體分解 圖3是圖1中沿ΙΠ-ΠΙ線的剖視圖。 圖4疋本發明的發光二核體燈具 一 剖面示意圖。 另一較佳實施例的 【主要元件符號說明】 發光二極體燈具 100,200 殼體 11 侧板 113 通孔 116,36 凹槽 15,51 發光二極體模組 30 發光二極體 33 反光條 50,50a 固定孔 56 燈罩 底板 内壁 端板 開口 基板 發光面 反光面 螺釘 10 111 !15,135 13 156 31 330 53,53a 60201000815 IX. Description of the Invention: [Technical Field] The present invention relates to a lighting device, and more particularly to a light-emitting diode lamp. [Prior Art] As an emerging third-generation light source, the light-emitting diode is generally favored by the market because of its long working life, energy saving, and environmental protection. Modules consisting of light-emitting diodes produce high-brightness light sources, and conventional light sources such as incandescent lamps are being used in luminaires, such as indoor lighting. However, the light-emitting diode module provides a point light source, which is easy to cause glare, and the naked eye can directly feel the discomfort and directly damage the eyes. SUMMARY OF THE INVENTION In view of the above, it is necessary to provide a light-emitting diode lamp with a soft light effect. A light-emitting diode lamp includes a light cover and a light-emitting diode module, the light cover encloses a recess, and the light-emitting diode module is received in the recess and is attached to the inner wall of the bottom of the light cover. An opening is formed on the top of the lamp cover opposite to the LED module, the lamp further includes a reflective strip, the reflective strip is received in the recess, and the reflective strip is coupled to the light cover and the LED The at least part of the light emitted by the LED module is firstly irradiated to the reflective strip, and then reflected by the reflective strip to the inner wall of the lamp cover, and finally reflected by the inner wall of the lamp cover to the outside of the opening. 6 201000815 The light of the light-emitting diode module is reflected by the reflective strip or the lamp cover, and then irradiated through the opening, and the human eye cannot directly see the light-emitting diodes from any angle outside the opening. Therefore, the light-emitting diode lamp can provide a soft surface light source to avoid glare. [Embodiment] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. Please refer to FIG. 1 , which illustrates a light-emitting diode lamp 100 ′ according to a preferred embodiment of the present invention. The lamp 100 includes a lamp cover 10 , a light-emitting diode module 30 , and a reflective strip 50 . a light-emitting diode module 30 is attached to the inner side of the lampshade 1 , and the reflective strip 50 is connected to the lamp cover 10 by a screw 60 . The reflective strip 5 〇 and the light-emitting diode The inner walls of the module 30 and the globe 10 are spaced apart from each other. Referring to FIG. 2 at the same time, the lampshade 10 includes a casing 11 and two end plates. The casing 11 extends in the longitudinal direction and has a substantially arched cross section. The casing 11 includes a bottom plate and two side plates. 113, the bottom plate U1 is located at the bottom of the lampshade 10, and the two side plates 113 extend obliquely upward from both sides of the bottom plate i. The casing U includes an arched inner wall 115. A plurality of through holes 116 are spaced apart from the bottom plate ηι. The two end plates 13 are trapezoidal flat plates, and the two end plates 13 are integrally connected to the longitudinal ends of the bottom plate 111 and the two side plates 113, respectively. Each end plate 13 has an inner wall 135, and the inner wall 135 is opposite to the arched inner wall 115. Adjacent, the housing 11 and the end plate 13 are enclosed to form a recess 15. The top of the lampshade 1 opposite the bottom plate is provided with an opening 156. The width of the groove 15 gradually widens from the bottom plate 111 of the 7 201000815 to the opening 156, i.e., from the bottom to the top. The arched (four) 115 and (iv) 135 surfaces are coated with highly reflective materials such as nickel or mineral. The light emitting diode module 30 includes a substrate 31 and a plurality of light emitting diodes 33. The substrate 31 extends in parallel with the direction of the bottom plate lu. The light-emitting diodes 33 are mounted on the substrate 31 at even intervals in the longitudinal direction. A plurality of through holes 36' are formed in the substrate 3', and the fresh rails % respectively correspond to the through holes 116 of the bottom plate m. A side of the substrate 31 opposite to the light-emitting diode % is covered with a printed circuit. Referring to FIG. 3 on the same day, the outline of the narrow inner wall 115 of the reflective strip ～ 顶/邪科 遐丄丄 相似 is similar, and the reflective strip 5 纵 is elongated and disposed along the extending direction of the housing 11 Directly above the LED module 3G. The reflective strip 50 has a triangular arch shape in cross section, and the longitudinal direction of the reflective strip 5G extends in a direction parallel to the substrate 31. A recess 51 having a triangular cross section is formed inside the reflective strip 5'. The reflective strip 5 includes a reflective surface 53 located on a side of the reflective strip 5G facing the county diode module (4). The 53 is composed of: an intersection and a plane. The angle formed by the two planes is directed to the light-emitting diode 33, and the 5 is loyal to the direction of the opening 156 from the two sides of the opposite first surface 53 with respect to the light-emitting diode 33. Ancestor. ^^ s The surface of the slanting back surface 53 is coated with a highly reflective material, such as a nickel-nickel cloth 4 times aluminized. The reflective strip 50 is provided with a plurality of fixing holes 56. The fixed holes are .s π κ m , and the through holes 36 and 116 are corresponding to each other. The screws 60 can pass through the through holes 36 and 116 and are fixed in the fixing holes 56. The reflective strip 50 is attached and fixed to the globe 10. Each of the light-emitting body bodies 33 has a circular light-emitting surface 330 that faces the opening 156 and opposes the light-reflecting surface 53 of the light-reflecting strip 50. A line connecting the point of the light-emitting surface 330 to the edge of the light-reflecting surface 53 and the arcuate inner wall 115 or the inner wall 135 of the globe 1 相 intersect. In this embodiment, light rays emerging from the edge of the light-emitting surface 330 and tangential to the edge of the light-reflecting surface 53 intersect at the edge of the arcuate inner wall 115 or the inner wall 135, such as the light 70. Therefore, a part of the light 71 emitted from the light-emitting surface 330 is first irradiated onto the reflective surface 53j^ and then reflected onto the inner wall 115 or the inner wall 135, and then reflected by the inner wall 115 or the inner wall 135 and then irradiated in the direction of the opening 156. A further portion of the light ray 72 emitted by the illuminating surface 330 is directly incident on the inner wall 115 of the casing u or the inner wall 135 of the end plate 13, and is then irradiated toward the opening 156 by the inner wall 115 or the inner wall. In summary, the light of the light-emitting diode 33 is reflected by the reflective strip 50 or the lamp cover 10 and then radiated through the opening 156. Therefore, when used, the human eye cannot directly see the light emitted by the light-emitting diodes 33 from any angle outside the opening 156 of the lamp, and the light is emitted by the reflection of the reflective strip 50 or the lampshade 1 The light emitted from the diode 33 is radiated from the respective directions of the inner side surface of the globe 10 toward the outside of the opening 156, thereby forming a softer surface light source, thereby avoiding glare. The shape of the reflective strip 50 is not limited to a triangular arch. FIG. 4 shows a light-emitting diode illuminator 200 according to another preferred embodiment of the present invention. The luminaire 200 has a shape structure similar to that of the luminaire. The luminaire 200 uses a reflective strip 5〇a having a circular arc-shaped cross section, and the reflective strip 5〇a includes a reflective surface 53a extending in the longitudinal direction, the contour and arch of the reflective surface 53a. The contour of the inner wall 115 is similar. 9 201000815 Patent ^ ^ 本 本 本 本 本 本 本 本 本 本 本 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 2 is a perspective view of the illuminating dipole luminaire shown in FIG. 1 and FIG. 3 is a cross-sectional view taken along line ΙΠ-ΠΙ in FIG. Fig. 4 is a cross-sectional view showing the illuminating two-core luminaire of the present invention. [Description of main components and symbols] Another embodiment of the light-emitting diode lamp 100, 200 housing 11 side plate 113 through hole 116, 36 groove 15, 51 light-emitting diode module 30 light-emitting diode 33 reflective strip 50 , 50a fixing hole 56 lampshade bottom plate inner wall end plate opening substrate light-emitting surface reflective surface screw 10 111 !15,135 13 156 31 330 53,53a 60