200946821 九、發明說明： 【發明所屬之技術領域】 本發明係有關於一種LED發光裝置，尤指一種leD 發光裝置及LED車燈，其可對光能作更有效的利用。 【先前技術】 發光二極體（LED)由於具有省電、體積小、壽命長等 特點所以在照明光源上的應用越來越廣泛，例如應用於 汽手的車燈、方向燈及剎車燈等。 現有應用於車燈之投射式LED發光裝置如台灣專利號 第1971號揭露一種「投射式LED車燈」，其主要包含 一 led光源、一反射罩、一遮片以及一燈罩，該led光 源的發光面係朝上，而與出光方向垂直，該反射罩係罩設 於該LED光源之上方，以將LED光源的光線集中向前方 遮片位置射出，以藉由調整出符合法規之光形，並藉由設 置於該遮片前方之燈罩向外投射出去。 然而，上述現有之LED發光裝置的反射罩係僅具有單 —曲率之反射面，因此僅能收集]LED光源向上及向前的光 線，對於部分向後的光線則往往難以收集而產生漏失的現 象，且單一曲率之反射面難以使所有光線均可有效匯聚至 該遮片上，如此將產生光能的損失而造成浪費的現象。 【發明内容】 有鑑於現有之LED發光裝置其反射罩的設計仍有可改 進處’本發明之目的在於提供一種led發光裝置及LEd 車燈’其可增進光能的利用而避免浪費。 5 200946821 為達成以上的目的，本發明之LED發光裝置係包含： LED光源，包含有至少一 LED元件該至少一 led 兀件之發光面係朝向一反射罩； /反射罩，係罩設於該至少一 led元件外部，且包含 各具不同曲率之複數反射面； 一遮片’供將自該些複數反射面匯聚之光線調整為一 預設光形；以及 一投射透鏡，供將該預設光形向外投射。 車乂佳的疋，該至少一 LED元件係為兩個梯形之LED 元件，該兩個梯形LED元件係相向排列而組合為一矩形。 較佳的是’該投射透鏡係為一非球面透鏡 較佳的是，該兩個梯形LED元件係為一 500流明之高 亮度LED元件。 較佳的是，該些複數反射面中，至少各具有一反射面 位於该LED光源之上方及後方。 較佳的是，位於LED光源後方之反射面係為一餘光複 合反射面。 其中，各反射面與該至少一 LED元件間之距離係以大 於20毫米為較佳，但並非以之限制本案之申請範圍。 本發明另包含一使用複數上述LED發光裝置的led 車燈。 本發明可達成的具體功效包括： 1，本發明係使LED發光裝置的反射罩具有至少二不 同曲率之反射面，其中一反射面可作為一餘光複I反射 6 200946821 面’因此該LED光源所發出的朝後光線可受該餘光複合反 射面的反射而集中至前方投射透鏡上，避免光能的漏失， 進而達到節省光能、降低成本及符合環保之目的。 ' 2 .本發明進一步使LED發光裝置利用兩個梯形高亮 度LED元件呈相向排列之組合，以達成散熱之目的且亦可 符合汽車頭燈法規之光形及亮度分布。 3 .本發明係使LED發光裝置的反射罩具有複數不同 曲率之反射面’用以將光線匯聚集中至前方遮片上，並透 ®過投射透鏡投射出去，使其產生之光形更符合法規之規 範。 【實施方式】 請參照第一圖、第二圖與第三圊所示，本發明之較佳 實施例的LED發光裝置（10)包括一基座（n)、一設置於該 基座（11)上之LED光源（12)、一設置於該LED光源（12)之 上方及後方之反射罩（13)及一設置於該LED光源（12)前方 之投射透鏡（14)、一設置於該基座（11)下方之底座（15)及一 ® 設置於該LED光源（12)與該投射透鏡（14)間之遮片（16)， 其中； 該基座（11)係呈方形且其頂面係形成一凹部； 該LED光源（12)係固設於該基座（Π)之凹部中，該LED 光源（12)包含有一固定座（121)及至少一 LED元件（122)， 該固定座（12丨）係固設於該基座（11)之凹部中，該至少一 LED 元件（122)係固設於該固定座（121)上且其發光面係朝向上 方，該至少一 LED元件（122)可為兩個梯形之LED元件 7 200946821 (122) ’該兩個梯形LED元件（122)係呈相向排列之組合， 该梯形LED元件（122)係可為一 5〇〇流明（lm)之高亮度LED το件（122) ’以形成符合汽車頭燈法規之光形及亮度分布； 該反射罩（13)係設置於該至少一 [ED元件（122)之上方 及後方並於該至少一 LED元件（122)之前方形成一開口， 該反射罩（13)係包含一第一反射面（131)以及一第二反射面 (132)，s亥第一反射面（131)係位於該至少一 LED元件（122) 之上方，以將該至少一 LED元件（122)所發射之朝上光線 反射至前方遮片（16)上緣，該第二反射面（132)係與該第一 反射面（131)連接且其曲率與第一反射面（131)之曲率不同， 該第二反射面（1 32)係位於該至少一 LED元件（1 22)之後 方，以將該至少一 LED元件（122)所發射之朝後光線向前 反射經遮片（Π)上緣至前方投射透鏡（14)，因此該第二反射 面（132)可收集原本漏失的光能而作為一餘光複合反射面， 亦可藉由不同曲率之反射面使光線能更易匯聚於遮片〇 〇 上緣’而可得到較佳之光形； 該投射透鏡（14)係設置於該反射罩（13)之前方並對應於 該反射罩（13)之開口，並與該反射罩（13)間隔一適當距離， 該投射透鏡（14)係可為一非球面透鏡； 該底座（15)係結合於該基座（π)之底面，該底座（15)之 前側係凸出於該基座（11)之前側且與該投射透鏡（14)結合； 該遮片（16)係與該基座（π)之前侧結合且其頂緣係高於 該基座（1 1 )，而可發揮改變出光光形的作用。200946821 IX. INSTRUCTIONS: TECHNICAL FIELD The present invention relates to an LED lighting device, and more particularly to a LED lighting device and an LED lamp, which can utilize light energy more effectively. [Prior Art] Light-emitting diodes (LEDs) are more and more widely used in illumination sources due to their power saving, small size, long life, etc., for example, for automobile lights, direction lights, brake lights, etc. . A projection type LED illuminating device currently applied to a lamp, such as Taiwan Patent No. 1971, discloses a "projected LED lamp", which mainly comprises a LED light source, a reflector, a cover, and a lamp cover, the LED light source The light-emitting surface is upward, and perpendicular to the light-emitting direction, the reflector is disposed above the LED light source to concentrate the light of the LED light source to the front mask position, so as to adjust the light shape according to regulations. And projecting outward through the lamp cover disposed in front of the matte. However, the reflector of the above-mentioned conventional LED lighting device has only a single-curvature reflecting surface, so that only the upward and forward light of the LED light source can be collected, and the partially backward light is often difficult to collect and leaks. Moreover, the reflecting surface of a single curvature is difficult to effectively converge all the light onto the matte, which will result in a loss of light energy and waste. SUMMARY OF THE INVENTION In view of the existing LED lighting device, the design of the reflector is still achievable. The object of the present invention is to provide a LED lighting device and a LED lamp which can enhance the utilization of light energy and avoid waste. 5 200946821 In order to achieve the above objective, the LED light-emitting device of the present invention comprises: an LED light source, comprising at least one LED component; the light-emitting surface of the at least one LED component is directed toward a reflective cover; and a reflector is disposed on the reflector Excluding at least one of the LED elements and including a plurality of reflective surfaces having different curvatures; a mask for adjusting the light concentrated from the plurality of reflective surfaces to a predetermined light shape; and a projection lens for the preset The light shape projects outward. In the case of the car, the at least one LED component is two trapezoidal LED components, and the two trapezoidal LED components are arranged side by side and combined into a rectangle. Preferably, the projection lens is an aspherical lens. Preferably, the two trapezoidal LED elements are a high-brightness LED element of 500 lumens. Preferably, at least one of the plurality of reflective surfaces has a reflective surface located above and behind the LED light source. Preferably, the reflecting surface located behind the LED light source is a residual light reflecting surface. Wherein, the distance between each of the reflecting surfaces and the at least one LED element is preferably greater than 20 mm, but the scope of the application is not limited thereto. The invention further includes a led vehicle lamp using a plurality of the above LED lighting devices. The specific efficiencies that can be achieved by the present invention include: 1. The present invention is such that the reflector of the LED lighting device has at least two reflecting surfaces of different curvatures, wherein one reflecting surface can be used as a residual light to reflect the surface of the light. The emitted light can be concentrated on the front projection lens by the reflection of the residual light reflecting surface to avoid leakage of light energy, thereby achieving light energy saving, cost reduction and environmental protection. The invention further enables the LED lighting device to utilize a combination of two trapezoidal high-brightness LED elements in a phased arrangement for heat dissipation purposes and also to conform to the light profile and brightness distribution of automotive headlight regulations. 3. The present invention is such that the reflector of the LED lighting device has a plurality of reflecting surfaces of different curvatures for collecting the light into the front mask and projecting through the projection lens to make the light shape more conformable to regulations. specification. [Embodiment] Referring to the first, second and third embodiments, an LED lighting device (10) according to a preferred embodiment of the present invention includes a base (n) and a base (11). a LED light source (12), a reflector (13) disposed above and behind the LED light source (12), and a projection lens (14) disposed in front of the LED light source (12), a base (15) below the base (11) and a mask (16) disposed between the LED light source (12) and the projection lens (14), wherein the base (11) is square and The top surface is formed with a recess; the LED light source (12) is fixed in the recess of the base, and the LED light source (12) comprises a fixing base (121) and at least one LED component (122). The fixing seat (12丨) is fixed in the recess of the base (11), and the at least one LED element (122) is fixed on the fixing seat (121) and the light emitting surface thereof faces upward, the at least one The LED element (122) can be two trapezoidal LED elements 7 200946821 (122) 'The two trapezoidal LED elements (122) are in a combination of opposite alignments, the trapezoidal LED elements (122) a high-brightness LED το (122) ' can be a 5 〇〇 lumen (lm) to form a light shape and brightness distribution in accordance with automotive headlight regulations; the reflector (13) is disposed in the at least one [ED] An opening is formed above and behind the component (122) and in front of the at least one LED component (122). The reflector (13) includes a first reflective surface (131) and a second reflective surface (132). a first reflecting surface (131) is disposed above the at least one LED element (122) to reflect the upward light emitted by the at least one LED element (122) to the upper edge of the front mask (16), The second reflecting surface (132) is connected to the first reflecting surface (131) and has a curvature different from the curvature of the first reflecting surface (131), and the second reflecting surface (1 32) is located at the at least one LED element ( 1 22) hereinafter, the backward light emitted by the at least one LED element (122) is reflected forward through the upper edge of the mask to the front projection lens (14), and thus the second reflective surface (132) It can collect the originally lost light energy as a reverberant composite reflecting surface, and can also make the light easier by reflecting surfaces with different curvatures. Converging on the upper edge of the mask ' to obtain a better light shape; the projection lens (14) is disposed in front of the reflector (13) and corresponding to the opening of the reflector (13), and the reflection The cover lens (13) is spaced apart by an appropriate distance, and the projection lens (14) can be an aspherical lens; the base (15) is coupled to the bottom surface of the base (π), and the front side of the base (15) is convex. On the front side of the pedestal (11) and combined with the projection lens (14); the mask (16) is coupled to the front side of the pedestal (π) and its top edge is higher than the pedestal (1 1 ) And can play a role in changing the light shape.
請參照第四圖所示，由於本發明之較佳實施例的LED 8 200946821 發光裝置（10)係使該反射罩（1 3)形成一餘光複合反射面 (132) ’因此該LED光源（12)所發出的朝後光線可受該餘光 複合反射面（132)的反射而集中至前方，進而可避免光能的 浪費並促進光能的有效利用。 請參照第五圊所示，本發明之一 LED車燈的較佳實施 例係可包含有複數個前述之LED發光裝置（1 〇)，藉此以組 合為一大尺寸之車燈’而可應用於汽車之照明與指示燈用 途。 【圖式簡單說明】 第圖係為本發明LED發光裝置之較佳實施例的立體 圖。 第一圖係為本發明LED發光裝置之較佳實施例的立體 分解圖。 第三圖係為本發明L E D發光裝置之較佳實施例的側視 剖面圖。 第四圖係為本發明LED發光裝置之較佳實施例發光時 的側視剖面圖。 第五圖係為本發明LED車燈之較佳實施例的立體圖。 【主要元件符號說明】 (121)固定座 (1 3 1)第一反射面 (10) LED發光裝置 (Π)基座 (12) LED 光源 (122) LED 元件 U3)反射罩 9 200946821 (132)第二反射面 (14) 投射透鏡 (15) 底座 (16) 遮片Referring to the fourth figure, the LED 8 200946821 illuminating device (10) of the preferred embodiment of the present invention causes the reflecting cover (13) to form a residual light reflecting surface (132). 12) The emitted light can be concentrated to the front by the reflection of the residual light reflecting surface (132), thereby avoiding waste of light energy and promoting efficient use of light energy. Referring to FIG. 5, a preferred embodiment of an LED lamp of the present invention may include a plurality of the aforementioned LED lighting devices (1), thereby combining the lamps of a large size. Used in automotive lighting and indicator purposes. BRIEF DESCRIPTION OF THE DRAWINGS The drawings are perspective views of a preferred embodiment of the LED lighting device of the present invention. The first figure is a perspective exploded view of a preferred embodiment of the LED lighting device of the present invention. The third drawing is a side cross-sectional view of a preferred embodiment of the L E D illuminating device of the present invention. Figure 4 is a side cross-sectional view showing a preferred embodiment of the LED lighting device of the present invention when illuminated. Figure 5 is a perspective view of a preferred embodiment of the LED lamp of the present invention. [Description of main component symbols] (121) Fixing seat (1 3 1) First reflecting surface (10) LED lighting device (Π) Base (12) LED light source (122) LED element U3) Reflector 9 200946821 (132) Second reflecting surface (14) projection lens (15) base (16) matte