TW201314101A - LED lamp capable of increasing light diffusion area - Google Patents
LED lamp capable of increasing light diffusion area Download PDFInfo
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- TW201314101A TW201314101A TW100134154A TW100134154A TW201314101A TW 201314101 A TW201314101 A TW 201314101A TW 100134154 A TW100134154 A TW 100134154A TW 100134154 A TW100134154 A TW 100134154A TW 201314101 A TW201314101 A TW 201314101A
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Abstract
Description
本發明是有關於一種發光裝置,特別是指一種具增加光擴散面積之LED燈具。The present invention relates to a light-emitting device, and more particularly to an LED lamp having an increased light diffusion area.
發光二極體(LED)具有低耗電、使用壽命長的優點,逐漸取代傳統燈泡,由於發光二極體發出的光線有較好的聚光性,因此多應用在如手電筒、警示燈...等光指向性需求高的燈具,但相對的在室內照明、日光燈...等需要較為擴散光源的情況下仍不適合使用發光二極體燈泡,因此便有相關業者提出增加發光二極體燈泡光源之擴散面積的方式。The light-emitting diode (LED) has the advantages of low power consumption and long service life, and gradually replaces the traditional light bulb. Since the light emitted by the light-emitting diode has better light collecting property, it is widely used in flashlights and warning lights. For lamps with high light directivity requirements, but relatively indoor lighting, fluorescent lamps, etc., which are more suitable for diffused light sources, it is still not suitable for use with light-emitting diode bulbs. Therefore, related companies have proposed to increase the number of light-emitting diode bulbs. The way the source diffuses.
參閱圖1與圖2,為中華民國公告第M391631號「可增加光發散角的LED燈泡」新型專利案,該燈泡1包含一燈座11、一蓋設於該燈座11的透光燈罩12,而該燈座11上設有一LED發光件13,而在該透光燈罩12的外表面與內表面之間混入多數光學擴散粒14(圖2中僅顯示一個),該LED發光件13發出的光線經過該透光燈罩12內的光學擴散粒14時,產生如圖2所示的反射、折射與散射作用,使光線射出的發散角度改變,藉此達到增加光發散角的功效。但上述燈泡1的透光燈罩12在製造上,需額外混入該等光學擴散粒14,在製造上不易控制該等光學擴散粒14的均勻性,因此每一透光燈罩12增加光發散角的效果不一,產品的良品率不易掌握。Referring to FIG. 1 and FIG. 2, it is a new patent case of the Republic of China Announcement No. M391631 "LED bulb with increased light divergence angle". The bulb 1 comprises a lamp holder 11 and a light-transmitting lamp cover 12 disposed on the lamp holder 11. An LED illuminating member 13 is disposed on the socket 11, and a plurality of optical diffusing particles 14 (only one is shown in FIG. 2) are mixed between the outer surface and the inner surface of the transparent lamp cover 12, and the LED illuminating member 13 is emitted. When the light passes through the optical diffusing particles 14 in the light-transmitting cover 12, the reflection, refraction and scattering effects as shown in FIG. 2 are generated, and the divergence angle of the light emission is changed, thereby achieving the effect of increasing the light divergence angle. However, in the manufacture of the light-transmitting lamp cover 12 of the bulb 1 , the optical diffusion particles 14 need to be additionally mixed, and it is difficult to control the uniformity of the optical diffusion particles 14 in the manufacturing, so that each light-transmitting lamp cover 12 increases the light divergence angle. The effect is different, and the yield of the product is not easy to grasp.
因此,本發明之目的,即在提供一種能有效提高光擴散照射角度且結構簡單的具增加光擴散面積之LED燈具。Accordingly, it is an object of the present invention to provide an LED lamp having an increased light diffusion area which is capable of effectively improving the light diffusion illumination angle and having a simple structure.
於是,本發明具增加光擴散面積之LED燈具,包含一燈座、一蓋設於該燈座上的燈罩、一設置於該燈座的發光模組,及至少一與該燈座相連接的擴散件。Therefore, the LED lamp with increased light diffusion area of the present invention comprises a lamp holder, a lamp cover disposed on the lamp holder, a light-emitting module disposed on the lamp holder, and at least one connected to the lamp holder Diffusion member.
該燈座具有一頂面,該燈罩與該燈座之頂面相配合界定出一容置空間,該發光模組包括多數設置於該燈座之頂面上且間隔排列的第一發光件。The lamp holder has a top surface, and the lamp cover cooperates with the top surface of the lamp holder to define an accommodating space. The illuminating module includes a plurality of first illuminating members disposed on the top surface of the lamp holder and spaced apart.
該擴散件設於該容置空間內並與該燈座相連接,且該擴散件包括一面向該發光模組並反射該等第一發光件發出之部分光線的反射面。The diffusing member is disposed in the accommodating space and connected to the lamp holder, and the diffusing member includes a reflecting surface facing the illuminating module and reflecting a part of the light emitted by the first illuminating members.
本發明之功效在於:由於該反射面是面向該發光模組並反射該等第一發光件發出之部份光線,所以該擴散件的反射面會使得該等第一發光件發出的部分光線向外反射,而部分光線仍維持照射方向,如此,該發光模組發出的光線即會有較大、較擴散的照射面積。The effect of the present invention is that since the reflecting surface faces the light emitting module and reflects part of the light emitted by the first light emitting members, the reflecting surface of the diffusing member causes a portion of the light emitted by the first light emitting members to External reflection, while part of the light still maintains the illumination direction, so that the light emitted by the illumination module will have a larger, more diffused illumination area.
有關本發明之前述及其他技術內容、特點與功效,在以下配合參考圖式之三個較佳實施例的詳細說明中,將可清楚的呈現。The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of FIG.
在本發明被詳細描述之前,要注意的是,在以下的說明內容中,類似的元件是以相同的編號來表示。Before the present invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals.
參閱圖3,為本發明具增加光擴散面積之LED燈具的第一較佳實施例,包含一燈座2、一蓋設於該燈座2的燈罩3、一設置於該燈座2的發光模組4,及多個與該燈座2相連接的擴散件5。Referring to FIG. 3, a first preferred embodiment of an LED lamp with a light diffusion area according to the present invention includes a lamp holder 2, a lamp cover 3 disposed on the lamp holder 2, and a light-emitting device disposed on the lamp holder 2. The module 4 and a plurality of diffusers 5 connected to the socket 2 .
該燈座2包括一散熱部21,及一與該散熱部21連接並與該發光模組4電連接的供電部22,而該散熱部21具有一頂面211,該燈罩3與該燈座2之頂面211相配合界定出一容置空間300。The lamp holder 2 includes a heat dissipating portion 21, and a power supply portion 22 connected to the heat dissipating portion 21 and electrically connected to the light emitting module 4, and the heat dissipating portion 21 has a top surface 211, the lamp cover 3 and the lamp holder The top surface 211 of 2 cooperates to define an accommodating space 300.
參閱圖4,該發光模組4包括多數呈環形設置於該燈座2之頂面211上且間隔排列的第一發光件41,及多數設置於該燈座2上且圍繞該等第一發光件41的第二發光件42,該等第一發光件41與該等第二發光件42均是朝向一第一方向發出光線,在本實施例中,該等第一發光件41、第二發光件42是用發光二極體(LED)製成,而該第一方向是如圖3中箭頭A所示的方向為例作說明。Referring to FIG. 4 , the light-emitting module 4 includes a plurality of first light-emitting members 41 arranged in a ring shape on the top surface 211 of the lamp holder 2 , and is disposed on the lamp holder 2 and surrounds the first light-emitting elements. The second illuminating member 42 of the member 41, the first illuminating member 41 and the second illuminating members 42 both emit light toward a first direction. In the embodiment, the first illuminating members 41 and the second The illuminating member 42 is made of a light emitting diode (LED), and the first direction is exemplified by a direction indicated by an arrow A in FIG.
參閱圖3並配合圖4,該等擴散件5是設於該容置空間300內,並彼此相疊置地位於該等第一發光件41發出之光線的路徑上,且最底部之該擴散件5與該燈座2相連接,每一擴散件5包括一由該燈罩3朝向該發光模組4方向凸出並反射該等第一發光件41發出之光線的反射面51,及一與該反射面51相間隔並朝向該燈罩3的折射面52。需要說明的是,在本實施例中,該等擴散件5是以部分透光的材質所製成,但實際上也可以是不透光的材質製成。Referring to FIG. 3 and FIG. 4, the diffusing members 5 are disposed in the accommodating space 300 and are disposed on the path of the light emitted by the first illuminating members 41, and the bottom portion of the diffusing member. 5 is connected to the socket 2, each of the diffusing members 5 includes a reflecting surface 51 protruding from the lampshade 3 toward the light emitting module 4 and reflecting the light emitted by the first light emitting members 41, and a The reflecting surfaces 51 are spaced apart and face the refractive surface 52 of the globe 3. It should be noted that in the present embodiment, the diffusing members 5 are made of a partially transparent material, but may be made of a material that is opaque.
參閱圖5,當該燈座2之供電部22(見圖3)電連接到一電源座(圖未示)時,該發光模組4會發出光線,而在該發光模組4發光時伴隨產生的熱量則由該燈座2之散熱部21吸收,並與外界空氣熱交換以進行散熱,需要說明的是,該散熱部21的態樣不以圖面所示為限,也可以在該散熱部21上形成有多數孔槽,增加熱交換面積與利於空氣對流。Referring to FIG. 5, when the power supply portion 22 (see FIG. 3) of the socket 2 is electrically connected to a power socket (not shown), the light-emitting module 4 emits light, and the light-emitting module 4 emits light when it is illuminated. The generated heat is absorbed by the heat dissipating portion 21 of the socket 2, and is exchanged with the outside air for heat dissipation. It should be noted that the aspect of the heat dissipating portion 21 is not limited to the drawing, and may be A plurality of holes are formed in the heat radiating portion 21 to increase the heat exchange area and facilitate air convection.
而該發光模組4之第一發光件41發出的光線受到該等擴散件5的影響,而有部分的光線由每一擴散件5的反射面51反射後向兩側擴散,而有部分的光線會進入該等擴散件5,並由每一擴散件5的折射面52穿出並向中間偏折,但由於已有部分光線被反射向兩側射出,向中間偏折的光線並不會產生明顯聚光的照明,如此一來,該等擴散件5將會使得該發光模組4的該等第一發光件41發出光線的擴散面積較廣,照射角度較大,且該等擴散件5因為不在該等第二發光件42發出的光線路徑上,所以該等第二發光件42發出的光線不會受到該等擴散件5的影響,仍然保持朝向該第一方向射出。另外,若是該等擴散件5是以不透光的材質製成,則該等第一發光件41發出的光線將會全部被該等擴散件5反射向兩側射出而不會產生折射。The light emitted by the first illuminating member 41 of the illuminating module 4 is affected by the diffusing members 5, and part of the light is reflected by the reflecting surface 51 of each diffusing member 5, and then diffused to both sides, and some of them are diffused. The light enters the diffusing members 5 and is deflected by the refracting surface 52 of each diffusing member 5 and deflected toward the center. However, since some of the light is reflected to the sides, the light deflected toward the center does not The illumination of the first illuminating member 4 of the illuminating module 4 is wide, the irradiation angle is large, and the diffusing members are generated. 5 Because the light rays emitted by the second illuminating members 42 are not in the path of the light emitted by the second illuminating members 42, the light emitted from the second illuminating members 42 is not affected by the diffusing members 5, and remains emitted toward the first direction. In addition, if the diffusing members 5 are made of a material that is opaque, the light emitted by the first illuminating members 41 will be reflected by the diffusing members 5 to both sides without being refracted.
參閱圖6與圖7,本發明具增加光擴散面積之LED燈具的第二較佳實施例,與第一較佳實施例大致相同,不同的地方在於,該擴散件5是呈環形,且還包括多數間隔設置於該反射面51上並用於讓光線穿透的透光面53,而該反射面51是略為傾斜朝向該等第一發光件41,另外在本較佳實施例中,不需設置該等第二發光件42。Referring to FIG. 6 and FIG. 7, a second preferred embodiment of the LED lamp with increased light diffusion area of the present invention is substantially the same as the first preferred embodiment, except that the diffusing member 5 is annular and The light-transmissive surface 53 is disposed on the reflective surface 51 and is used for allowing light to pass through, and the reflective surface 51 is slightly inclined toward the first light-emitting members 41. In addition, in the preferred embodiment, The second illuminating members 42 are disposed.
藉此,該第一發光件41發出朝向該擴散件5的光線,有部分會被該反射面51反射後向兩側射出,而部分的光線會穿透過該等透光面53後而射出,此外該等第一發光件41發出非朝向該擴散件5的光線仍保持朝向該第一方向射出,因此能與該第一較佳實施例有相同的功效,也由於不需使用該等第二發光件42,更能降低能源的消耗及熱量的產生。Thereby, the first illuminating member 41 emits light toward the diffusing member 5, and some of the light is reflected by the reflecting surface 51 and then emitted to the two sides, and part of the light passes through the transparent surface 53 and is emitted. In addition, the first illuminating members 41 emit light that is not directed toward the diffusing member 5 and still emits toward the first direction, so that the same effect as the first preferred embodiment can be achieved, and since the second The illuminating member 42 can further reduce energy consumption and heat generation.
需要說明的是,在本實施例中,該擴散件5的該反射面51是用高反射率金屬如銀、鋁等以鍍膜的方式形成,但不以此為限。It should be noted that, in this embodiment, the reflecting surface 51 of the diffusing member 5 is formed by coating with a high reflectivity metal such as silver or aluminum, but is not limited thereto.
參閱圖8與圖9,本發明具增加光擴散面積之LED燈具的第三較佳實施例與第一較佳實施例大致相同,不同的地方在於,該發光模組4的第一發光件41是呈間隔排列成兩列而鄰近該燈座2之頂面211的中央,而該第二發光件42是與該第一發光件41平行並列而鄰近該燈座2之頂面211的外緣,在本實施例中是做為日光燈的使用,同樣利用該等擴散件5使該等第一發光件41的光線經反射後,有較擴散的照射面積的效果。Referring to FIG. 8 and FIG. 9 , the third preferred embodiment of the LED lamp with increased light diffusion area of the present invention is substantially the same as the first preferred embodiment, except that the first light-emitting component 41 of the light-emitting module 4 is 41 . The second illuminating member 42 is juxtaposed in parallel with the first illuminating member 41 and adjacent to the outer edge of the top surface 211 of the lamp holder 2 at two intervals in a row and adjacent to the center of the top surface 211 of the lamp holder 2. In the present embodiment, it is used as a fluorescent lamp, and the diffusing light of the first illuminating members 41 is also reflected by the diffusing members 5 to have a diffused irradiation area effect.
本發明藉該等擴散件5的設置,使得該等第一發光件41的光線會因反射向兩側射出,所以有較擴散的照射面積與角度,且該等擴散件5可應用於現在已有的燈具,結構簡單不需改變其他元件的製造方式,而該燈座2的散熱部21使得發光模組4的熱量能夠快速被導出、散去,保持該發光模組4之發光效率。According to the arrangement of the diffusing members 5, the light of the first illuminating members 41 is emitted to the two sides by reflection, so that there is a diffused irradiation area and angle, and the diffusing members 5 can be applied to the present. In some cases, the structure of the lamp is simple and does not need to change the manufacturing method of the other components, and the heat dissipating portion 21 of the lamp holder 2 enables the heat of the light-emitting module 4 to be quickly extracted and dispersed to maintain the luminous efficiency of the light-emitting module 4.
綜上所述,本發明具增加光擴散面積之LED燈具藉由該擴散件5的設置,使得該等第一發光件41的光線會因反射向兩側射出,而該等第二發光件42發出的光線則不受影響,保持向該第一方向提供足夠的照明,兩者發出的光線相配合使光線有較擴散的照射面積與照射角度,故確實能達成本發明之目的。In summary, the LED lamp with the increased light diffusion area of the present invention is arranged such that the light of the first illuminating member 41 is emitted to the two sides by reflection, and the second illuminating member 42 is disposed. The emitted light is unaffected, and sufficient illumination is provided in the first direction. The light emitted by the two cooperates to provide a more diffused illumination area and illumination angle, so that the object of the present invention can be achieved.
惟以上所述者,僅為本發明之較佳實施例而已,當不能以此限定本發明實施之範圍,即大凡依本發明申請專利範圍及發明說明內容所作之簡單的等效變化與修飾,皆仍屬本發明專利涵蓋之範圍內。The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.
2...燈座2. . . Lamp holder
21...散熱部twenty one. . . Heat sink
211...頂面211. . . Top surface
22...供電部twenty two. . . Power supply department
3...燈罩3. . . lampshade
300...容置空間300. . . Housing space
4...發光模組4. . . Light module
41...第一發光件41. . . First illuminating member
42...第二發光件42. . . Second illuminating member
5...擴散件5. . . Diffusion member
51...反射面51. . . Reflective surface
52...折射面52. . . Refractive surface
53...透光面53. . . Translucent surface
A...箭頭A. . . arrow
圖1是一剖視圖,說明中華民國公告第M391631號「可增加光發散角的LED燈泡」新型專利案;Figure 1 is a cross-sectional view showing the new patent case of the Republic of China Announcement No. M391631 "LED bulbs capable of increasing the light divergence angle";
圖2是一剖視圖,說明圖1中該燈泡之一燈罩混有多數光學擴散粒;Figure 2 is a cross-sectional view showing a lampshade of the bulb of Figure 1 mixed with a plurality of optical diffusing particles;
圖3是一正視圖,說明本發明具增加光擴散面積之LED燈具的第一較佳實施例;Figure 3 is a front elevational view showing a first preferred embodiment of the LED lamp of the present invention having an increased light diffusion area;
圖4是一俯視圖,輔助說明圖3;Figure 4 is a top view, to help explain Figure 3;
圖5是一局部剖面圖,說明該第一較佳實施例之發光模組發出之光線的光路;Figure 5 is a partial cross-sectional view showing the optical path of the light emitted by the light-emitting module of the first preferred embodiment;
圖6是一俯視圖,說明本發明具增加光擴散面積之LED燈具的第二較佳實施例;Figure 6 is a top plan view showing a second preferred embodiment of the LED lamp of the present invention having an increased light diffusion area;
圖7是一側視圖,說明該第二較佳實施例之發光模組發出之光線的光路;Figure 7 is a side view showing the optical path of the light emitted by the light-emitting module of the second preferred embodiment;
圖8是一正視圖,說明本發明具增加光擴散面積之LED燈具的第三較佳實施例;及Figure 8 is a front elevational view showing a third preferred embodiment of the LED lamp of the present invention having an increased light diffusion area;
圖9是一側視圖,輔助說明圖8。Figure 9 is a side elevational view of Figure 8 for assistance.
2...燈座2. . . Lamp holder
21...散熱部twenty one. . . Heat sink
211...頂面211. . . Top surface
22...供電部twenty two. . . Power supply department
3...燈罩3. . . lampshade
300...容置空間300. . . Housing space
4...發光模組4. . . Light module
5...擴散件5. . . Diffusion member
51...反射面51. . . Reflective surface
52...折射面52. . . Refractive surface
A...箭頭A. . . arrow
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