TWM302218U - The parabolic axial light emitting diode (LED) device - Google Patents

The parabolic axial light emitting diode (LED) device Download PDF

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Publication number
TWM302218U
TWM302218U TW95206223U TW95206223U TWM302218U TW M302218 U TWM302218 U TW M302218U TW 95206223 U TW95206223 U TW 95206223U TW 95206223 U TW95206223 U TW 95206223U TW M302218 U TWM302218 U TW M302218U
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Taiwan
Prior art keywords
light
led
bowl
shaped
emitting
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TW95206223U
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Chinese (zh)
Inventor
Chi-Feng Chen
Chun-Wei Chen
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Univ Nat Central
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Priority to TW95206223U priority Critical patent/TWM302218U/en
Publication of TWM302218U publication Critical patent/TWM302218U/en

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  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Description

M302218 ,八,新型說明: 【新型所屬之技術領域】 本創作係有關一 LED發光裝置,尤指一種透過多段式碗型燈罩 結構反射LED光源發散光線,且經由前端之塑型封裝膠體部分折 射、反射、全反射而可以使得出射裝置之光線集中不發散而傳達 至相對較遠距離處,適用於如車頭燈、探照燈等遠距離或準直照 明需求之裝置。 _ 【先前技術】 發光二極體(Light Emitting Diodes,簡稱LED),是現今光電 產業的發展重點,他有著冷發光、反應速度快、無紫外線、色彩 一致性高、使用壽命長、能源效率優於白熱光與大部分_素燈等 優點,因而在生活中正逐步取代傳統光源應用。一個準直LED發 光裝置是一項發展的重點,如美國專利US5898267(請參見圖丨)即 為一準直光束LED裝置,該專利主要提及兩種將光束匯聚於光軸 ® 形式之拋物軸向LED燈具,一為直接的塑行設計,用以改善先前 美國專利US4698730之設計效能,另一為燈罩式設計,針對傳統 砲筒型LED照明裝置不足處提出直接變更改善之方法,以達到優 化與多方應用之效果。該專利包括一 LED光源5,連結於一 LED正 極接腳2,並以一金線4連結至一 LED負極接腳3,該光源結構封 裝於透光材質11中,該透光材質11外側做為一光線反射之拋物 面12,並於其上可加以鍍膜12R以增加光線反射效率,該反射面 12下方有一底座13支持LED晶片5與接腳,該透光材質丨丨前方 M302218 為一匯聚透鏡式結構15,可導正®光源5發散至該透鏡結構15 之光束醇直出射,而LED統5發散之較大歧规,則透過 反射面12反射至折射面14折射出結構而得一平行光轴η之光 束’光線路徑如RH4所示,進而達到⑽光源全發散角度之調 整。但該專利必須鍍咖增加光源發散大纽光線之反射效率, 亦增加成本’且該專利之拋物面結獻騎_光雜設計,對 於現行高亮度LED光源“之大面積有所不符,另外該專利之尺 寸有所外型過於狹長,獨於朗,本創作係針對上述缺 點改善而得一高效能之準直LED發光裝置。 【新型内容】 本創作之主要目的係在提供一種LED發光裝置,藉由多段式碗 型結構,分卿應反射LED光源發散親,再經域端之塑型封 咸膠體部分折射、反射、全反射而得—準直光束,用以提供具有 絕佳照明距離之裴置。 本創作之次-目的係在提供—種LED發光裝置,藉由多段式碗 _構作為封裝支撐與内面反射,可擴大裝置孔徑且減低厚度而 =受限全反射限制,並直接於碗型燈罩之環形結構_進行塑行 十,簡化封裝外型雕塑成本,增加整體實用性。 、本創作之另一目的係在提供一種LED發光裝置,藉由於多段式 桃型結構外部連結散熱裝置設計’可提升散熱效果。 為達上述之目的’本創作係—種led發絲置,包括有一多段 式碗型結構,用以反射統並連結散熱裝置、-封轉體用以導 M302218 .正光源發散方向、至少一 LED晶片,用以提供光源,及一電路穿: 置連結驅動。 本創作上述及其他目的與優點,不難從下述所選用實施例之詳 細說明與附圖中獲得深入了解。然本創作在某些另件上,或另件 之安排上容許有所不同,但選用之實施例則於本說明書中予以詳 細說明,並在附圖中展示其結構。 【實施方式】 _ 茲以一較佳實施例並配合圖示2〜8詳述本創作如後,本創作係 一種LED發光裝置,該發光裝置包括: 一高亮度UED光源21,以至少一個高亮度LE:D晶片構成,該光 源21坐落於PCB電路板20上,並以電路與其相連結,晶片光源 21之散熱機制亦與電路板2〇相互配合連接至一金屬材質之碗型對 稱燈罩30以提升散熱效果。 _ 一碗型燈罩30係由金屬構裝之材質,該碗型燈罩3〇為近似碗 狀之中空結構而以PCB電路板20上之LED光源21為碗底中心並 坐洛其上,而該碗型燈罩3〇之内側包含至少兩段式的多段環型結 構3卜該多段式環形結構31由多段圓錐西面形狀複合構成,且其 表面為具南反射效率之金屬材質,而多段環形結構31之切割段數 越多,可近似為-平滑之圓錐曲面,光源2Γ發散較大角度之光線 透過此多段式環形結構31反射後可得統一方向之光束,該光束透 過光軸前方的封裝塑形設計折射可準直出射裝置。 M3 02218 ♦ 一透光性良好之封裝膝體50以碗型燈罩30之内侧多段式環型 結構31與電路板20為支持底座,完全覆蓋於LE:D發光晶片21之 上,而封裝膠體50上部包含至少一個特殊的z型結構西折面相接 至碗型燈罩30頂端,該封裝膠體50上部中心為一會聚功能之透 鏡形式,使光源21發散之近軸光線透過該會聚透鏡4〇折射而得 準直光束,而光源21發散光線透過z型結構中之折射(或全反射, 於小尺寸時存在)面42可部份折射出近似平行光軸之光線,而部 分反射之光線再透過折射面41折射而得近似平行光轴之光線,該 折射面41與會聚透鏡40邊緣相聯結’折射面43則用以折射光源 21經由多段式·結構31反社光束鱗直方向,賴射面43 與光軸方向夾角可小於或等於碗型燈罩3〇之頂點與光源Μ連線 方向與光轴之夹角,根據不同的碗型對稱燈罩3〇之頂點位置,折 =折射面(或全反射面)42、折射,^ 置配口,以作為最佳光線使用效率。 一個散熱機制與碗型燈罩3〇和 埶鍵Μ ^ 不电路板20相連結,如單純的散 ^曰片61,_熱則61由導熱良好之 罩30外部,並盥電路柘财心 ㈣城運、,於她型燈 生之咖二 利於發散高亮度光源21產 :、、、度,又或可增加導熱風扇提升散熱效果。 藉由上述結構構成之LED發光, 多段式環形結構31針對非點、〇 1作之特點係在於利用 士月敕 ' Λ、21發散之大角度光後作為久只,丨 ❹,改雜物面對於非點光源 I樣作為各別 光放果,以光源出光面積1 M3 02218 ,平方么模擬下,其农佳效能可達最小總發散角度於五度内,擁 有I巴佳之準直特性,於25公尺處光斑直徑僅約4公尺,優於先前 之習知技術。且利用金屬材質之碗型燈罩3〇内面多段式環型結構 31反射大角度光線,可省略透光封裝材質5〇需配合全反射之設計 考量,再與Z型結構封裝膠體相互配合調整介於近光軸與大角度 間之光源發散光線,可大贼鋪置的高度或厚度。是故本創作 可擴大實雜與應㈣、增加整體裝置效能、簡化製作流程、提 升散熱效果。 由以上洋細說明,可使熟知本項技藝者明瞭本創作的確可達成 前述之目的,實已符合專利法之規定,爰提出專利申請。 惟以上所述者,僅為本創作之較佳實施例而已,當不能以此限 又本創作實施之範圍;故,凡依本創作申料利範圍及創作說明 書内容所作之簡單鱗效變化與修飾,皆應仍屬本創作專利涵蓋 之範圍内。 【圖式簡單說明】 第1圖’係一習知技術實施例之使用圖示。 第2圖,係本創作第一實施例之立體外觀圖。 第3圖’係本創作第一實施例之平面示意圖。 第4圖’係本創作第一實施例之使用狀態剖面示意圖。 第5圖’係本創作第一實施例之分離結構圖。 第6圖,係本創作第二實施例之使用狀態示意圖。 M302218 第7圖,係本創作第三實施例之使用狀態部分剖面示意圖 第8圖,係本創作第四實施例之使用狀態部分剖面示意圖 第9a、9b圖,係本創作第一實施例模擬所得結果。 【主要元件符號說明】M302218, eight, new description: [New technical field] This creation is related to an LED lighting device, especially a multi-segment bowl-type lampshade structure that reflects the LED light source to diverge light, and is partially refracted through the plastic encapsulated colloid at the front end. The reflection and total reflection can make the light concentration of the exit device not spread and transmit to a relatively long distance, and is suitable for a device such as a headlight, a searchlight, and the like for long-distance or collimated illumination. _ [Prior Art] Light Emitting Diodes (LED) is the development focus of today's optoelectronic industry. It has cold luminescence, fast response, no UV, high color consistency, long service life and excellent energy efficiency. In the white light and most of the advantages of the lamp, it is gradually replacing the traditional light source application in life. A collimated LED illuminator is a development focus. For example, US Pat. No. 5,989, 267 (see Figure 丨) is a collimated beam LED device. The patent mainly refers to two kinds of parabolic axes that concentrate the beam in the optical axis® form. For LED luminaires, one is a direct plastic design to improve the design performance of the previous US patent US 4,987,730, and the other is a lampshade design, which proposes a direct change and improvement method for the deficiencies of the traditional barrel-type LED illuminators to achieve optimization. The effect with multi-party applications. The patent includes an LED light source 5 connected to an LED positive pin 2 and connected to an LED negative pin 3 by a gold wire 4, the light source structure being encapsulated in the light transmissive material 11, and the light transmissive material 11 is made outside. The parabolic surface 12 is reflected by a light, and the film 12R can be coated thereon to increase the light reflection efficiency. The bottom surface of the reflective surface 12 has a base 13 for supporting the LED chip 5 and the pin. The transparent material 丨丨 front M302218 is a converging lens. The structure 15 can be used to direct the light source 5 to the lens structure 15 to emit light directly, and the LED system 5 diverges a large ambiguity, and the reflective surface 12 reflects to the refractive surface 14 to refract the structure to obtain a parallel The beam path of the optical axis η 'light path is as shown by RH4, and then the (10) full divergence angle adjustment of the light source is achieved. However, the patent must be plated to increase the reflection efficiency of the light source to divergence, and also increase the cost. And the parabolic knot of the patent is designed to ride the light, which is inconsistent with the current high-brightness LED light source. The size of the product is too long and narrow, and it is unique to Lang. This creation is aimed at improving the above-mentioned shortcomings and achieving a high-performance collimated LED lighting device. [New content] The main purpose of this creation is to provide an LED lighting device. The multi-stage bowl-shaped structure, the division should reflect the LED light source divergence pro, and then the refraction, reflection, and total reflection of the plastic-sealed sealant part of the domain end - collimated beam to provide excellent illumination distance The second step of this creation is to provide a kind of LED light-emitting device, which can expand the aperture of the device and reduce the thickness and limit the total reflection limit by using the multi-stage bowl structure as the package support and the inner surface reflection, and directly to the bowl. The ring structure of the lampshade _ simplifies the cost of encapsulation and increases the overall practicality. Another object of the present invention is to provide an LED illuminating device. Due to the design of the multi-section peach-type structure externally connected heat sink, the heat dissipation effect can be improved. For the above purpose, the present invention is a type of led hairline, which comprises a multi-section bowl structure for reflecting and connecting the heat sink, - The sealing body is used to guide M302218. The direction of the positive light source is divergent, at least one LED chip is used to provide the light source, and a circuit is worn: the connecting drive. The above and other objects and advantages of the present invention are not difficult to implement from the following selections. The detailed description of the examples and the drawings are well understood. However, the creations are allowed to differ on certain parts or arrangements of parts, but the selected embodiments are described in detail in this specification and are attached. The structure is shown in the drawings. [Embodiment] The present invention is described in detail with reference to the preferred embodiment and the accompanying drawings 2 to 8. The present invention is an LED lighting device comprising: a high-brightness UED light source 21, comprising at least one high-brightness LE:D wafer, the light source 21 is located on the PCB circuit board 20, and is connected by a circuit, and the heat dissipation mechanism of the wafer light source 21 is also opposite to the circuit board 2 The bowl-shaped symmetrical lampshade 30 is connected to a metal material to improve the heat dissipation effect. _ A bowl-shaped lampshade 30 is made of a metal structure, and the bowl-shaped lampshade 3 is a hollow structure similar to a bowl and a PCB circuit board 20 The upper LED light source 21 is centered on the bottom of the bowl and sits thereon, and the inner side of the bowl type lampshade 3 includes at least two-stage multi-section annular structure 3. The multi-section annular structure 31 is composed of a multi-section conical western shape composite And the surface thereof is a metal material with south reflection efficiency, and the more the number of cutting segments of the multi-section annular structure 31, the approximation is a smooth-conical curved surface, and the light source 2 Γ diverges a larger angle of light through the multi-section annular structure 31 Afterwards, a beam of uniform direction is obtained, and the beam is refracted by the package shape shaping device in front of the optical axis. M3 02218 ♦ A light-transmissive package knee body 50 is a multi-section inner ring type of the bowl type lampshade 30 The structure 31 and the circuit board 20 are supporting bases, completely covering the LE:D light-emitting chip 21, and the upper portion of the encapsulant 50 includes at least one special z-shaped structure west folded surface to be connected to the top of the bowl type lampshade 30. The upper center of the colloid 50 is in the form of a converging function lens, so that the paraxial light diverging from the light source 21 is refracted through the converging lens 4 to obtain a collimated beam, and the light source 21 diverges the light through the refraction (or total reflection in the z-shaped structure). The surface 42 can partially refract light rays that are approximately parallel to the optical axis, and the partially reflected light is refracted through the refractive surface 41 to obtain a light that is approximately parallel to the optical axis. The refractive surface 41 and the edge of the converging lens 40 The refracting surface 43 is used to refract the light source 21 through the multi-segment structure 31. The angle between the radiant surface 43 and the optical axis may be less than or equal to the apex of the bowl-shaped lampshade 3 与 and the light source Μ The angle between the direction and the optical axis, according to the apex position of the different bowl-shaped symmetrical lampshade 3, folding = refractive surface (or total reflection surface) 42, refraction, ^ placement port, as the best light use efficiency. A heat-dissipating mechanism is connected to the bowl-shaped lampshade 3〇 and the 埶 key Μ ^ not to the circuit board 20, such as a simple 曰 曰 61, _ heat 61 is made of a heat-conducting cover 30, and the circuit is 柘 柘 (4) Yun, in her type of lamp, the second is to spread the high-brightness light source 21:,,,, or may increase the heat-dissipating fan to improve the heat dissipation effect. With the above-structured LED illumination, the multi-segment annular structure 31 is characterized by the use of a large angle of light, which is used for the non-point and 〇1, as a long-term, 丨❹, modified object surface. For the non-point source I sample as the individual light, with the light source area of 1 M3 02218, square simulation, its agricultural best performance can reach the minimum total divergence angle within five degrees, with the collimation characteristics of I Baja, The spot diameter at 25 meters is only about 4 meters, which is superior to the prior art. And the metal bowl type lampshade 3〇 inner multi-section ring structure 31 reflects the large angle light, the light transmissive package material can be omitted, the design needs to be matched with the total reflection, and then the Z-type structure encapsulation colloidal adjustment The light source between the near-optical axis and the large angle diverges light, which can be placed by the height or thickness of the thief. Therefore, this creation can expand the complexity and application (4), increase the overall device performance, simplify the production process, and improve the heat dissipation effect. From the above-mentioned details, it will be clear to those skilled in the art that the creation of the creation can indeed achieve the aforementioned objectives, and it has already met the requirements of the Patent Law and has filed a patent application. However, the above is only a preferred embodiment of the present invention, and cannot be limited to the scope of the creation of the present invention; therefore, the simple scale effect of the scope of the creation of the creation and the content of the creation specification is Modifications shall remain within the scope of this Creative Patent. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a diagram showing the use of a prior art embodiment. Fig. 2 is a perspective view showing the first embodiment of the present invention. Fig. 3 is a plan view showing the first embodiment of the present creation. Fig. 4 is a schematic cross-sectional view showing the state of use of the first embodiment of the present invention. Fig. 5 is a diagram showing the separation structure of the first embodiment of the present creation. Fig. 6 is a schematic view showing the state of use of the second embodiment of the present creation. M302218 FIG. 7 is a cross-sectional view of a portion of the third embodiment of the present invention. FIG. 8 is a partial cross-sectional view of the fourth embodiment of the present invention. FIG. 9a and 9b are schematic views of the first embodiment of the present creation. result. [Main component symbol description]

P1、光轴 3、電源接腳 5、光源 12、 拋物反射面 13、 底座 15、匯聚透鏡式結構 D3、燈具孔徑 20、電路板 30、碗型燈罩結構 40、會聚透鏡結構 42、折射與全反射面 50、透光封裝材質 2、電源接腳 4、金線 11、封裝透光材質 12R、鍍膜 14、折射面 R1〜R4、光線路徑 D4、燈具高度 21、光源 31、多段式環形結構 41、折射出光面 43、折射出光面 61、散熱鰭片 11P1, optical axis 3, power pin 5, light source 12, parabolic reflecting surface 13, base 15, converging lens structure D3, lamp aperture 20, circuit board 30, bowl type lampshade structure 40, converging lens structure 42, refraction and full Reflecting surface 50, light transmitting package material 2, power pin 4, gold wire 11, package light transmissive material 12R, coating film 14, refractive surfaces R1 R R4, light path D4, lamp height 21, light source 31, multi-stage ring structure 41 , refracting the light surface 43, refracting the light surface 61, and dissipating the fins 11

Claims (1)

M3 02218 九、申請專利範圍: 1、 一種準直LED發光裝置,包括: 一電路板,該電路板以電路連結至 至少一高亮度LED發光晶片;其上有 一封裝膠體,該封裝膠體完全覆蓋LED發光晶片,而封裝膠體之出 光表面中心為-會聚透鏡型式,該出光表面周圍則由至少三段曲折 面相接,該封裝膠體填充於 • 一碗型燈罩内部,該碗型燈罩以電路板上LED晶片為碗底中心坐落 其上,該碗型燈罩包含至少兩段式環型結構,藉此使LED晶片發散 之光線透過此發光裝置後可平行於雜方向,而形成一高準直度 led發光裝置。 2、 如申請專利範圍第1項所述之準直LED發光裝置,其中一碗型 4罩包含至少兩段式光束導向環型結構,肋針對LED晶片發散之 不同角度光束反射而改變其方向。 _ 3、如”專利範圍第丨項所述之準直LE])發光健,其中光源為 至少一高亮度LE1D晶片或其他可取代之發光源。 4、 如申請專利範圍第i項所述之準直㈣發光裝置,其中碗型燈 罩外部藉由連結-散熱機構裝置,以提升散熱性能。 5、 如申請專補圍第丨項所述之準直㈣發絲置,其封裝結構 為良好透光材質,如環氧樹酯等,以減少光線能量的損耗。 6、 如申請專利顧第丨項所述之準直LED發光妓, 之周圍出光表面為至少三段式曲折面設計,分別用以折射、、:或 12M3 02218 IX. Patent application scope: 1. A collimated LED light-emitting device, comprising: a circuit board, the circuit board is electrically connected to at least one high-brightness LED light-emitting chip; and a package colloid is disposed thereon, the package colloid completely covers the LED The light-emitting chip, and the center of the light-emitting surface of the encapsulant is a converging lens type, and the light-emitting surface is surrounded by at least three zigzag surfaces, and the encapsulant is filled in a bowl-shaped lamp cover, and the bowl-shaped lamp cover is on the circuit board. The LED chip is located on the bottom of the bowl, and the bowl type lamp cover comprises at least two-stage ring structure, so that the light emitted by the LED chip can pass through the light-emitting device and can be parallel to the impurity direction to form a high-collimation LED light-emitting device. . 2. The collimated LED lighting device of claim 1, wherein the bowl-shaped 4 cover comprises at least two-stage beam guiding ring-shaped structure, the ribs changing direction of the beam at different angles of the LED chip diverging. _ 3. The collimation LE] as described in the "Scope of the Patent Item", wherein the light source is at least one high-brightness LE1D wafer or other replaceable illuminating source. 4. As described in claim i. A collimating (four) illuminating device, wherein the outer portion of the bowl-shaped lampshade is provided with a heat-dissipating mechanism by means of a connection-heat dissipating mechanism. 5. If the application is to supplement the collimation (four) hair wire arrangement described in the second item, the package structure is good. Light material, such as epoxy resin, to reduce the loss of light energy. 6. As described in the patented Gu Di丨 item, the collimated LED illuminating surface has at least three-section zigzag surface design, respectively To refract , , : or 12
TW95206223U 2006-04-12 2006-04-12 The parabolic axial light emitting diode (LED) device TWM302218U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI386597B (en) * 2010-03-02 2013-02-21 Everlight Electronics Co Ltd Optical lens and lighting device comprising the same
CN110345863A (en) * 2018-04-01 2019-10-18 深圳慎始科技有限公司 A kind of solid state annular three-dimensional imaging device
TWI708908B (en) * 2019-06-10 2020-11-01 聯嘉光電股份有限公司 Slim linear led lighting device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI386597B (en) * 2010-03-02 2013-02-21 Everlight Electronics Co Ltd Optical lens and lighting device comprising the same
CN110345863A (en) * 2018-04-01 2019-10-18 深圳慎始科技有限公司 A kind of solid state annular three-dimensional imaging device
TWI708908B (en) * 2019-06-10 2020-11-01 聯嘉光電股份有限公司 Slim linear led lighting device
US11015790B2 (en) 2019-06-10 2021-05-25 Excellence Optoelectronics Inc. Slim linear LED lighting device

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