200837975 九、發明說明： 【發明所屬之技術領域】 本發明是有關於一種高功率發光二極體，且特別是有 關於一種可增加光照度的橢圓發光二極體。 - 【先前技術】 現有的發光二極體（LED)，是藉LED晶粒來產生光 源，並由罩設在LED晶粒外周的LED透鏡（Lens)，輔助光 源向外散射，以達到照明的使用效果。 參照第1圖，係為第一種習知發光二極體極之半球形 透鏡（Lens) 101，此為藍色反射體型態（Lambertian Patten)。 參照第2圖，係為第二種習知發光二極體極之扁平型 的透鏡（Lens) 102。 參照第3圖，係為第三種習知發光二極體極之翼型透 鏡（Lens)103 〇 _ 參照第4圖，係為第三種習知發光二極體極之側向散 射型的透鏡（Lens)104。 參照第5圖，係為第一種習知發光二極體極之立體花 形的透鏡（Lens)105。 上述五種發光二極體的透鏡（Lens)lOl、102、103、 104、105，雖然外形結構有別，但是，其共通的特色是， - 透鏡（Lens)lOl、102、103、104、105 的外周徑一致，所以， 當LED晶粒通電後，可藉此些透鏡（Lens)lOl、102、103、 104、105以散射出對襯的光源。 5 200837975 由於一般發光二極體（LED)的透鏡（Lens)，均是散射出 對襯的光形，這也是現有發光二極體之其照射角度無法突 破之原因。因而，導致在照明設備的運用上，需再配合其 他光罩作二次光學，才能達到預期的需求光形。 t 【發明内容】 因此本發明的目的就是在提供一種橢圓發光二極 馨 體，藉以不對襯的光形，達到擴增光源之照射範圍，用以 解決現有發光二極體之對襯光形，導致光照度有所侷限的 缺點。 根據本發明所提出之一種橢圓發光二極體，包含有一 晶片主體與一發光二極體透鏡。該發光二極體透鏡，罩設 在該片主體上，並具有一透射部。該透射部具有一長軸 與一短軸，其中此長軸與短軸所散射出的光形比值大於或 等於1.5至5之間。 % 本發明之橢圓發光二極體，將發光二極體透鏡的長軸 與短轴所散射出的光形角度比值設成大於或等於1.5至5 之間’透射部於長軸與短軸方向延伸的部分，將可投射出 不對概之光形，而且更藉由長轴部分，將照射光形更向外 延伸’以擴增光源照射範圍，而使橢圓發光二極體之光效 率大幅提升。 【實施方式】 參照第6圖’係為本發明的第一實施例的立體圖。 200837975 參照第7圖’係為該第—實施例的側視圖。 參照第6圖與第7圖，本發明該第一實施例的橢圓發 光二極體100,功率至少1瓦特（w)，並包含有一基座11〇、 一晶片主體120、一發光二極體透鏡130，以及二金屬端 子 140。 該基座110係為一絕緣體。200837975 IX. DESCRIPTION OF THE INVENTION: TECHNICAL FIELD The present invention relates to a high power light-emitting diode, and more particularly to an elliptical light-emitting diode that can increase illuminance. - [Prior Art] The existing light-emitting diode (LED) uses a LED die to generate a light source, and an LED lens (Lens) that is disposed on the periphery of the LED die, and the auxiliary light source is scattered outward to achieve illumination. Effect. Referring to Fig. 1, it is the first conventional light-emitting diode pole lens (Lens) 101, which is a blue reflector type (Lambertian Patten). Referring to Fig. 2, there is a second type of flat lens (Lens) 102 of a conventional light-emitting diode. Referring to Fig. 3, it is a third conventional light-emitting diode pole lens (Lens) 103 〇 _ referring to Fig. 4, which is a third kind of conventional light-emitting diode pole lateral scattering type. Lens 104. Referring to Fig. 5, it is the first stereoscopic lens Lens 105 of the conventional light-emitting diode. The lenses (Lens) 101, 102, 103, 104, and 105 of the above five kinds of light-emitting diodes have the same external structure, but the common features are: - Lens, 101, 103, 104, 105 The outer circumferences are identical, so that when the LED dies are energized, the lenses (Lens) 101, 102, 103, 104, 105 can be used to scatter the source of the lining. 5 200837975 Since the lens (Lens) of a general light-emitting diode (LED) is a light pattern that scatters the lining, this is also the reason why the illumination angle of the existing light-emitting diode cannot be broken. Therefore, in the operation of the lighting device, it is necessary to cooperate with other reticle for secondary optics to achieve the desired light shape. Therefore, the object of the present invention is to provide an elliptical light-emitting diode, whereby the light shape of the lining is not achieved, and the illumination range of the amplifying light source is achieved, thereby solving the lining shape of the existing light-emitting diode. The disadvantage of causing limited illumination. An elliptical light-emitting diode according to the present invention comprises a wafer body and a light emitting diode lens. The light emitting diode lens is disposed on the main body of the sheet and has a transmissive portion. The transmissive portion has a major axis and a minor axis, wherein the major axis and the minor axis scatter a light shape ratio greater than or equal to between 1.5 and 5. % The elliptical light-emitting diode of the present invention sets the ratio of the optical angles of the long axis and the short axis of the light-emitting diode lens to be greater than or equal to 1.5 to 5 'transmission portion in the long axis and the short axis direction The extended part will project the opposite light shape, and further extend the illumination light shape by the long axis part to amplify the illumination range of the light source, thereby greatly improving the light efficiency of the elliptical light emitting diode. . [Embodiment] Fig. 6 is a perspective view showing a first embodiment of the present invention. 200837975 Referring to Figure 7, a side view of the first embodiment is shown. Referring to FIGS. 6 and 7, the elliptical LED 100 of the first embodiment of the present invention has a power of at least 1 watt (w) and includes a pedestal 11 〇, a wafer body 120, and a light emitting diode. Lens 130, and two metal terminals 140. The pedestal 110 is an insulator.
該晶片主體120係為一導體（晶粒），並且載設於該基 座110之頂面中間位置。 該等金屬端子140，設置於該基座110周側，並與該 晶片主體120構成電連接。 第8圖係為該第一實施例的另一側視圖。 參照第6圖、第7圖與第8圖，該發光二極體透鏡13〇, 罩設在該晶片主體12〇上。該發光二極體透鏡13〇具有一 透射部131，以及一環設在該透射部131外側的水平凸緣 132。該透射部131係為一立體半橢圓形，並具有一橢圓 截面1311。在本實施例中，橢圓截面1311為透射部131 相鄰於該晶片主體120的内表面。該橢圓截面1311具有一 長軸X與一短軸Y，其中此長軸X與短軸Y所散射出的 光形比值大於或等於1·5至5之間。 參照第9圖，係為本發明的第一實施例之發光二極體 透鏡的剖視圖。 一 該第一 空體。亦即 鏡320内部 實施例中，該發光二極體透鏡320係為部分中 ，該透射部321係部分地填滿該發光二極體透 7 200837975 參照第12圖，係為本發明橢圓發光二極體之長軸χ 與短軸Y所散射出之光形角度的曲線圖。 經由試驗得出，本發明橢圓發光二極體之長軸χ所散 射出的光形角度Θ係遠大於短軸γ的光形角度θ ^因此， 運用在各種電子設備上，確實可延伸照射的範圍，以提升 整體之光照度（Lux)。 參照第10圖，係為本發明的第二實施例之發光二極 體透鏡320,的剖視圖。 參照第6圖，本發明該第二實施例的橢圓發光二極體 100 ’包含有與第一實施例相同結構的一基座11〇、一晶片 主體120，以及二金屬端子140。 參知、第10圖，該第二實施例與第一實施例不同的地 方，只是將該發光二極體透鏡130,設成實心體。亦即，該 透射部131’係完全地填滿該發光二極體透鏡13〇，内部，其 預期達到的使用效杲均與上述第一實施例相同，不再贅 述。 、 參妝第11圖，係為本發明的第三實施例之發光二極體 透鏡320”的剖視圖。 該第二實施例之發光二極體透鏡13〇，，的結構亦為一 種口P刀中空體。亦即，該透射部131，，係部分地填滿該發光 -極體透鏡130”内部，其預期達到的使用效果均與上述第 一實施例相同，不再贅述。 、、’、 述"尤明，相較於習知由於一般發光二極體（led) 的透鏡（Lens)，侷限於只發射出對襯的光形的缺撼。本發 200837975 明之橢圓發光二極體’藉以長軸χ與短轴y可投射出不對 襯之光形，透射部13卜131，、131，，於長軸χ與短軸丫方 向延伸的部分，將可投射出不對襯之光形，而且更藉由長 軸X部分’將照射光形更向外延伸，以擴增光源照射範圍， 而使橢圓發光二極體之光效率大幅提升。 因此，在照明設備的運用上，本發明之橢圓發光二極 體無需配合其他二次光學結構，即可以自身結構達到需求 光形。 雖然本發明已以數個實施例揭露如上，然其並非用以 限疋本發明，任何熟習此技藝者，在不脫離本發明之精神 和範圍内，當可作各種之更動與潤飾，因此本發明之保護 乾圍當視後附之申請專利範圍所界定者為準。 【圖式簡單說明】 為讓本發明之上述和其他目的、特徵、優點與實施例 能更明顯易懂，所附圖式之詳細說明如下： 第1圖係為第一種習知發光二極體透鏡的側視圖。 第2圖係為第二種習知發光二極體透鏡的側視圖。 第3圖係為第三種習知發光二極體透鏡的側視圖。 第4圖係為第四種習知發光二極體透鏡的側視圖。 第5圖係為第五種習知發光二極體透鏡的側視圖。 第6圖係為本發明第一實施例之橢圓發光二極體的立 體圖。 第7圖係為該第一實施例的側視圖。 200837975 第8圖係為該第一實施例的另一侧視圖。 第9圖係為該第一實施例之該發光二極體透鏡的剖視 圖。 第！〇圖係為本發明第二實施例之發光二極體透鏡剖 視圖。 第11圖係為本發明第三實施例之發光二極體透鏡剖 視圖。 第12圖係為本發明之橢圓發光二極體之長軸X與短 轴Y其光源照射角度的曲線圖。 【主要元件符號說明】 101 :透鏡 103 :透鏡 105 =透鏡 110 =基座 130:發光二極體透鏡 U0” ：發光二極體透鏡 1311 ·擴圓截面 140 ··金屬端子 102 :透鏡 104 :透鏡 100:橢圓發光二極體 120 ·晶片主體 130’ ：發光二極體透鏡 131 :透射部 132 :水平凸緣The wafer body 120 is a conductor (die) and is placed at a position intermediate the top surface of the base 110. The metal terminals 140 are provided on the peripheral side of the susceptor 110 and are electrically connected to the wafer main body 120. Figure 8 is another side view of the first embodiment. Referring to Figures 6, 7 and 8, the light-emitting diode lens 13 is placed over the wafer body 12A. The light-emitting diode lens 13 has a transmissive portion 131 and a horizontal flange 132 provided on the outer side of the transmissive portion 131. The transmissive portion 131 is a three-dimensional semi-elliptical shape and has an elliptical cross section 1311. In the present embodiment, the elliptical cross section 1311 is such that the transmissive portion 131 is adjacent to the inner surface of the wafer main body 120. The elliptical section 1311 has a major axis X and a minor axis Y, wherein the ratio of the shape of the major axis X to the minor axis Y is greater than or equal to between 1.5 and 5. Referring to Fig. 9, there is shown a cross-sectional view of a light-emitting diode lens according to a first embodiment of the present invention. One of the first empty bodies. That is, in the internal embodiment of the mirror 320, the light-emitting diode lens 320 is partially, and the transmissive portion 321 partially fills the light-emitting diode. 7 200837975. Referring to FIG. 12, it is an elliptical light-emitting diode of the present invention. A plot of the long axis of the polar body and the angle of the light shape scattered by the short axis Y. It is found through experiments that the optical angle Θ scattered by the long axis of the elliptical light-emitting diode of the present invention is much larger than the optical angle θ of the short axis γ. Therefore, it can be used for various electronic devices and can be extended. Range to increase the overall illuminance (Lux). Referring to Fig. 10, there is shown a cross-sectional view of a light-emitting diode lens 320 according to a second embodiment of the present invention. Referring to Fig. 6, the elliptical light-emitting diode 100' of the second embodiment of the present invention comprises a susceptor 11A having the same structure as that of the first embodiment, a wafer body 120, and two metal terminals 140. Referring to Fig. 10, the second embodiment differs from the first embodiment in that the light-emitting diode lens 130 is provided as a solid body. That is, the transmissive portion 131' completely fills the light-emitting diode lens 13A, and the intended use effect is the same as that of the first embodiment described above, and will not be described again. Figure 11 is a cross-sectional view of a light-emitting diode lens 320" according to a third embodiment of the present invention. The structure of the light-emitting diode lens of the second embodiment is also a kind of mouth P-knife. The hollow body, that is, the transmissive portion 131 is partially filled inside the light-emitting body lens 130", and the intended use effect is the same as that of the first embodiment described above, and will not be described again. , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , The elliptical light-emitting diode of the present invention 200837975 can project a light shape of a non-aligned lining by a long axis y and a short axis y, a transmissive portion 13 131, 131, a portion extending in a direction of a long axis and a short axis, The light shape of the lining can be projected, and the illuminating light shape is further extended by the long axis X portion to amplify the illumination range of the light source, and the light efficiency of the elliptically light emitting diode is greatly improved. Therefore, in the operation of the illumination device, the elliptical light-emitting diode of the present invention does not need to cooperate with other secondary optical structures, that is, it can achieve the desired light shape by its own structure. While the present invention has been described above in terms of several embodiments, it is not intended to be limited to the present invention, and it is to be understood by those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention. The protection of the invention is defined by the scope of the patent application attached to it. BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features, advantages and embodiments of the present invention will become more <RTIgt; Side view of the body lens. Figure 2 is a side view of a second conventional light-emitting diode lens. Figure 3 is a side view of a third conventional light-emitting diode lens. Figure 4 is a side view of a fourth conventional light-emitting diode lens. Figure 5 is a side view of a fifth conventional light-emitting diode lens. Fig. 6 is a perspective view showing the elliptical light-emitting diode of the first embodiment of the present invention. Figure 7 is a side view of the first embodiment. 200837975 Figure 8 is another side view of the first embodiment. Fig. 9 is a cross-sectional view showing the light emitting diode lens of the first embodiment. The first! A plan view is a cross-sectional view of a light-emitting diode lens according to a second embodiment of the present invention. Figure 11 is a cross-sectional view showing a light-emitting diode lens according to a third embodiment of the present invention. Fig. 12 is a graph showing the illumination angle of the long axis X and the short axis Y of the elliptical light-emitting diode of the present invention. [Description of main component symbols] 101: Lens 103: Lens 105 = Lens 110 = Base 130: Light-emitting diode lens U0": Light-emitting diode lens 1311 · Round section 140 · Metal terminal 102: Lens 104: Lens 100: elliptical light-emitting diode 120 · wafer main body 130': light-emitting diode lens 131: transmissive portion 132: horizontal flange