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TW200936952A - Lens element and light emitting apparatus having the same - Google Patents

Lens element and light emitting apparatus having the same Download PDF

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Publication number
TW200936952A
TW200936952A TW97106694A TW97106694A TW200936952A TW 200936952 A TW200936952 A TW 200936952A TW 97106694 A TW97106694 A TW 97106694A TW 97106694 A TW97106694 A TW 97106694A TW 200936952 A TW200936952 A TW 200936952A
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TW
Taiwan
Prior art keywords
light
lens element
recess
emitting diode
circuit board
Prior art date
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TW97106694A
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Chinese (zh)
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TWI356149B (en
Inventor
Chin-Chung Chen
Lung-Sheng Lin
Ching-Tsung Ni
Tsung-Chieh Chen
Original Assignee
Alliance Optotek Co Ltd
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Application filed by Alliance Optotek Co Ltd filed Critical Alliance Optotek Co Ltd
Priority to TW97106694A priority Critical patent/TWI356149B/en
Publication of TW200936952A publication Critical patent/TW200936952A/en
Application granted granted Critical
Publication of TWI356149B publication Critical patent/TWI356149B/en

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Abstract

A lens element used for coupling with lenses in a light emitting diode (LED) package. The lens element includes a base, and a refractive portion formed on the top surface of the base. A recess corresponding to the refractive portion is formed on the base. At least one notch connecting with the recess is also formed on the base. The surface of refractive portion is a non-spherical convex surface. A concave portion is formed on the center area of the convex surface. The light of the LED package is directed toward side direction, and has an asymmetrical batwing-like distribution, so as to obtain uniformly illumination on illuminated area in illuminating applications.

Description

200936952 九、發明說明: 【發明所屬之技術領域】 本發明係有關一種透鏡元件,尤指一種 蝙蝠之翼(batwing)的光形之透鏡元件。 再及狀似 【先前技術】 發光二極體封裝結構是—種固態的半 體積小、壽命長、耗電量低、反應速率快:=特^ ❹ 件。 貝騎板、相產品等之發光元 傳統的發光二極體封裝結構上所 ^專利證書號第2_號之—種發光二極=^件用如 V引-發光二極體所發出的光束至一預定出射方:,二 包=面對發光二極體的底面、一相反於底^射2 -垂直預定出射方向的穿透面。反射面各 :::f 拋物線曲率,發光二極體位於抛物線之焦點上Γ穿H ❹:入透鏡的光束係於反射面被沿預定出射方向反 面,=光束係以與穿透面垂直地穿出透鏡射:: 利㈣編號第麵28899號之—種透鏡,包括 -折射:面以:ί射表面’與該透鏡之一中軸成斜角的第 平碑曲面Μ _部表面向該第—折射表面延伸為一 二折射表面。透過該底部表面進入該透鏡並 射表面的光係從該反射表面反射至該第一 鏡之—折射表面折射’以實f垂直於該透 亥中軸的方向退出該透鏡。透鏡該底部表面進入該透 5 200936952 鏡並直接人射於該第二折射表面 折射,以實質 係由η亥第—折射表面 LED可方# I 該令軸的方向退出該透鏡。 提供-可::使用該透鏡,以提供側發光之發光裝置。並 挺i、 了連接於透鏡的透鏡蓋。 上述兩種傳統的透鏡將光線導 為自由曲面,該自由曲面無法利:電::: 和Π作透鏡的模具不易製作,造成成本增加 ❹ 鏡主要俜由”顧第200507293號之-種多重曲率^ 發先二極體進行封裝。”適於對 係互相連接,廿0产制二 夕们八有不冋曲率之透鏡部 具有多重曲率心^上可一體成形。此外,本發明之 ^透鏡H極體封裝結構主要 = 承载H及上述之多重㈣透鏡所構成。1中^ 係配置於承載器上’而多重曲率之透鏡係將曰曰片、::片 ❹ 二::包f於内’藉由多重曲率之透鏡將發光二極體 體二透鏡側邊。此公開專利的發光二 封裝結鏡的大小限制了發光二極體 結構的封裝上。 j尺寸之孓先一極體封裝 【發明内容】 封裝結構4:么=人:新的透鏡元件’在發光二極體 中心轴偏離件f合後’使該發光二極體封裝結構之 所發出光線導白=的中心轴’使發光二極體封裝結構 線¥向侧邊,以產生非對稱及狀似蝙虫畐之翼的 6 200936952 (―)絲,在照、明燈具應用上能夠使照射區 勻照度’以增加光的利用率。 二 為達到上述之目的,本發明提供一種透鏡元件,且 -座體及座體的正面中央上具有一第一屈光體。該座體 反面设有一凹穴,該凹穴對應該第一屈光體,該凹穴 設至少一凹陷部,該凹陷部與該凹穴相通。該凹穴係 供容置該發光二極體封裝結構,使該發光二極體封裝 的導電接腳延伸於座體外部。另於,該座體的反面 ❿具有複數定位部,該定位部以提供該透鏡元件定位安裝在 電路板上。該屈光體表面為一非球面狀的外凸曲面’該外 凸曲面具有中央内凹形成一凹部。 【實施方式] 兹有關本發明之技術内容及詳細說明,現配合圖式說 請參閱第一、二、三 體、仰視及側剖視示意圖 1,具有一座體11及該座 12。#亥座體η反面凹設有 13,该凹穴13 —側設有至 提供發光二極體封裝結構 延伸於該座體11外部。該 體封裝結構。另於,該座 部15,該定位部15為柱狀 女裝在電路板(圖中未示 ❹ 圖,係本發明之透鏡元件外觀立 。如圖所示:本發明之透鏡元件 體11正面中央設有一第一屈光體 一對應該第一屈光體12的凹穴 少一凹陷部14,該凹陷部14係以 (圖中未示)的導電接腳容置或 凹穴13係以提供容置該發光二極 體1的反面位置上具有複數定位 體,係以提供該透鏡元件丨定位 )上。该屈光體12表面為一非球 7 200936952 凹 =的外凸曲㈣’該外凸曲面16具有中央内凹形成 請參閱第四圖,係本發明之透鏡 裝結構結合示意圖。如圖 〃、毛先一極體封 該發光二極體封裂結構2整合時,切=透鏡元件1與 ㈣電_電性連結在;路= 二 發先一極體封裝結構2上,使該發光二極體封i200936952 IX. INSTRUCTIONS: [Technical Field] The present invention relates to a lens element, and more particularly to a light-shaped lens element of a batwing. The same as the prior art [Prior Art] The light-emitting diode package structure is a kind of solid half-volume, long life, low power consumption, and fast reaction rate: = special. The illuminating element of the shell, the phase product, and the like, the conventional light-emitting diode package structure, the patent certificate number No. 2_, the kind of light-emitting diode, the light beam emitted by the light-emitting diode To a predetermined exit side: two packets = facing the bottom surface of the light-emitting diode, and a surface opposite to the bottom surface 2 - perpendicular to the predetermined exit direction. Each of the reflecting surfaces:::f parabolic curvature, the light-emitting diode is located at the focus of the parabola. H ❹: the beam entering the lens is on the opposite side of the reflecting surface in the predetermined exit direction, and the beam is perpendicular to the penetrating surface. Lens shot:: (4) No. 28899 No. No. 28899 - a type of lens, including - refraction: the surface is: ί the surface of the surface of the embossed surface of the lens is at an oblique angle to the axis of the lens _ _ surface to the first The refractive surface extends as a two-refracting surface. A light system that enters the lens through the bottom surface and reflects from the reflective surface to the refractive surface of the first mirror refracts the lens in a direction perpendicular to the axis of the through hole. The bottom surface of the lens enters the mirror and directly refracts the second refractive surface to substantially exit the lens by the direction of the axis. Provided - can: use the lens to provide a side-emitting illumination device. And the lens cover attached to the lens. The above two conventional lenses guide the light into a free-form surface, and the free-form surface cannot be used: the electric::: and the mold used as the lens are not easy to manufacture, resulting in an increase in cost. The mirror is mainly composed of "Multi-curvature of Gu. No. 200507293" ^ The first diode is packaged." It is suitable for the interconnection of the pairs. The lens part of the 二0 production system has multiple curvatures and can be integrally formed. Further, the lens L-pole package structure of the present invention is mainly composed of a carrier H and the above-described multiple (four) lens. 1 is configured on the carrier' and the lens with multiple curvatures will be 曰曰, :: 片 2:: package f inside. The lens of the two-lens body will be illuminated by a lens with multiple curvatures. The size of the light-emitting two package junction mirror of this patented patent limits the package of the light-emitting diode structure. J-size first-pole package [Invention] Package structure 4: What = person: The new lens element 'after the center axis of the light-emitting diode is off-fitting' The central axis of the light guide = the light-emitting diode package structure line ¥ to the side, to produce asymmetrical and worm-like wing 6 200936952 (-) silk, can be used in lighting and lighting applications Irradiance area illumination 'to increase light utilization. In order to achieve the above object, the present invention provides a lens element, and a body and a body of the body have a first refractive body in the center of the front surface. The recess on the opposite side of the body is provided with a recess corresponding to the first refracting body, and the recess is provided with at least one recess, the recess being in communication with the recess. The recess is adapted to receive the LED package structure such that the conductive pins of the LED package extend outside the body. In addition, the opposite side of the body has a plurality of positioning portions that are positioned and mounted on the circuit board to provide the lens elements. The surface of the refracting body is an aspherical convex curved surface. The convex curved surface has a central concave portion to form a concave portion. [Embodiment] With regard to the technical contents and detailed description of the present invention, reference is made to the first, second, third, third and third side views, and the body 11 and the seat 12 are referred to. #海座体η反面凹设置13, the recess 13 is provided on the side to provide a light emitting diode package structure extending outside the seat body 11. The body package structure. In addition, the seat portion 15, the positioning portion 15 is a columnar dress on a circuit board (not shown), which is the appearance of the lens element of the present invention. As shown in the figure: the front side of the lens element body 11 of the present invention The central portion is provided with a first dioptric body and a recess corresponding to the first refraction body 12, and the recessed portion 14 is received by a conductive pin (not shown) or a recess 13 A plurality of positioning bodies are provided at a position opposite to the surface of the light-emitting diode 1 to provide positioning of the lens element. The surface of the refracting body 12 is an aspherical ball. The outer convex curved surface 16 has a central concave shape. Referring to the fourth drawing, it is a schematic view of the lens assembly structure of the present invention. When the light-emitting diode sealing structure 2 is integrated, the lens element 1 is electrically connected to the (four) electrical-electrical connection; The light emitting diode seal i

、、、。構2谷置於該座體n的凹穴13中 Q ❹的底座21之導電接腳23係以容置於凹=, ,,. The valley 2 is placed in the recess 13 of the body n. The conductive pin 23 of the base 21 of the Q 系 is accommodated in the concave =

部15相陷部M而延伸於該座體11外部。該座體MM :盘;電路板3之組裝部31中,即完成該透鏡元件 八13及凹陷部14的設計,使該透鏡㈣i可以整 ^ 發光二極體封裝結構2來搭配使用。在本圖式中^亥組勺 部為洞孔。 、 ❹ 請參閱第五、六圖,係本發明之透鏡元件與發光二極 體整合側剖視及俯視示意圖。如圖所示:在該透鏡元件1〇 與該發光二極體封裝結構2組合後,該發光二極體封裝結 構2的第二屈光體22之中心轴221偏離該第一屈光體U的 中心軸18。 田發光一極體封裝結構2被點亮時,該發光二極體封 裝結構2所發出之部份光線4導向該第一屈光體12侧邊, 王現出非對稱及狀似蝙蝠之翼(batwing)的光形,使用在照 明燈具上能夠使照射區域獲得均勻照度,以增加光的利用 8 200936952 率。 «月參閱第七圖A及B ’係本發明之配光曲線量測示意 圖如圖所不.在發光二極體封裝結構2的第二屈光體22 之中心軸22!對準該第一屈光體12的凹部17之中心㈣ 時’該光強度_nsity)為i,光曲線峰值_)在·5〇〜5〇 度角(Angle)之間,如第七圖a。 當發光二極體封裝結構2的第二屈光體22之中心軸 221偏離該第一屈光體12的中心軸科,該光強度 〇 a*’為1,光曲線峰值偏移角度(Angie)落在約 25度左右,如第七圖B。 請參閱第八圖,係本發明之另一實施例示意圖。如圖 所本實施例所揭露為—種複合式透鏡元件5,其上具 有複數個第-屈光體51,該複合式透鏡元件$可以對庫多 個發光二極體封裝結構2袓人 " m丄 傅2、、且σ此设计可以使照射區域範The portion 15 is recessed outside the seat body 11 and extends. The body MM: the disk; the assembly portion 31 of the circuit board 3 completes the design of the lens element VIII and the recess 14 so that the lens (4) i can be used in conjunction with the LED package structure 2. In this figure, the spoon of the ^hai group is a hole. ❹ Refer to the fifth and sixth figures, which are schematic cross-sectional and top plan views of the integrated lens element and the light-emitting diode of the present invention. As shown in the figure, after the lens element 1 is combined with the LED package 2, the central axis 221 of the second refractor 22 of the LED package 2 is offset from the first refractor U. The central axis 18. When the field light emitting diode package structure 2 is illuminated, a part of the light 4 emitted by the light emitting diode package structure 2 is directed to the side of the first light body 12, and the king exhibits an asymmetrical and batlike wing. The shape of the (batwing), used on the lighting fixture, enables uniform illumination of the illuminated area to increase the utilization of light. «Monthly referring to the seventh figure A and B' is a schematic diagram of the light distribution curve measurement of the present invention as shown in the figure. The central axis 22 of the second refractive body 22 of the light emitting diode package structure 2 is aligned with the first The center (four) of the concave portion 17 of the refractive body 12 is 'this light intensity _nsity' is i, and the light curve peak value _) is between ·5 〇 5 degrees angle (Angle), as shown in the seventh figure a. When the central axis 221 of the second refracting body 22 of the illuminating diode package structure 2 is offset from the central axis of the first illuminating body 12, the light intensity 〇a*' is 1, and the light curve peak shift angle (Angie) ) falls about 25 degrees, as shown in Figure B. Please refer to the eighth figure, which is a schematic view of another embodiment of the present invention. As shown in the embodiment, the composite lens element 5 has a plurality of first-refractive elements 51, and the composite lens element can be used for a plurality of light-emitting diode packages. ; m丄傅2, and σ this design can make the illumination area

’且更能獲得均㈣度,而且使生產組 生產成本。 牛他 述僅為本發明之較佳實_而已,《用來限定本 :::施之範圍。即凡依本發明申請專利範圍所做的均等 嫒化.、修飾,皆為本發明專利範圍所涵蓋。 、 【圖式簡單說明】 々第:圖,係本發明之透鏡元件外觀立體示意圖。 第一圖,係本發明之透鏡元件仰視示意圖。 第三圖,係本發明之透鏡元件側剖視示音圖。 第四圖’係本發明之魏元件與發光二極㈣裝結構整合 9 200936952 不圖。 弟五圖,係本發明 側剖視示意圖。輪件與發光 :。圖係本發明之透鏡元件與發光_ 極體封裝結構整合 極體整合俯視示意 苐七圖A及只 及 ^ 係本發明之配光曲線量測示意圖。 弟八圖’係本發明之另—實施例示意圖。 【主要元件符號說明】 〇 透鏡元件1 座體11 第一屈光體12 凹穴13 凹陷部14 定位部15 外凸曲面16 凹部17 每光一極體封襄結構2 底座21 第二屈光體22 中心軸221 導電接腳23 電路板3 組裝部31And more can get the (four) degree, and make the production group production costs. It is only the preferred embodiment of the present invention, which is used to limit the scope of this::. That is, the equalization and modification made by the scope of the patent application of the present invention are covered by the scope of the invention. BRIEF DESCRIPTION OF THE DRAWINGS [Fig. 1] is a perspective view showing the appearance of a lens element of the present invention. The first figure is a bottom view of the lens element of the present invention. The third drawing is a side cross-sectional sound map of the lens element of the present invention. The fourth figure is the integration of the Wei component and the light-emitting diode (four) structure of the present invention. 9 200936952 No. The fifth figure is a side cross-sectional view of the present invention. Wheels and lighting: The lens element of the present invention is integrated with the illuminating body package structure. The polar body is integrated with a plan view. FIG. 7 and FIG. 2 are schematic diagrams of the light distribution curve measurement of the present invention. Figure 8 is a schematic view of another embodiment of the present invention. [Description of main component symbols] 〇 lens element 1 seat body 11 first illuminant 12 recess 13 recessed portion 14 positioning portion 15 convex curved surface 16 concave portion 17 per light one body sealing structure 2 base 21 second refractive body 22 Center shaft 221 conductive pin 23 circuit board 3 assembly portion 31

Claims (1)

200936952 十、申請專利範圍: 1、一種透鏡元件,係可搭配發光二極體封裝結構使 用,包括: 至少一第一屈光體,係具有一非球面狀的外凸曲面, 並位於該座體的正面上; 其中該座體反面設有至少一凹穴,該凹穴對應該 屈光體; 、人 ❹’亥第一屈光體具有-凹部,該凹部在該外凸曲面中央 内凹形成。 叫丁六 2 '如中請專利範圍第】項所述之透鏡元件, §亥凹穴一側設有一凹陷部,該凹陷部與該凹穴相通Γ : '如申請㈣範圍第丨項所述之透鏡元件,直中, 以座肢的反面位置上具有複數個定位部。 '、 ❹ ^ 4、如申請專利範圍第3項所述之透鏡元件,且中 5亥疋位部為柱狀體。 八申, 5、一種具有透鏡元件之整合結構,包括. —電路板; 栝. 至夕發光二極體封裝結構,俜雷+n & 上,其上具有一第二屈光體生連結於該電路板 透鏡元件’係固接於該電路板上 極體封裝結構上方,該透 反上亚罩於該發光二 上至少一第—屈光體,广二具有—座體及該座體正面 穴對應該第-屈舒,;5反面設有至少-凹穴,該四 ^’光^面為—非球面狀的外凸 200936952 曲面’該外凸曲面中央凹設有—凹部. 其中,該發光二極體封裝結構之第二、> 偏離該第一屈光體的凹部之中心軸,屈光體的中心軸 結構所發出之部份光線導向第—屈光光二極體封裝 其中 6、 如申請專利範圍第5項所述:::合二構 該電路板上具有組裝部。 〜構 其中, 7、 如申請專利範圍第6項所述之整人纟士 该組裝部為在電路板上之洞孔。 其中 睿 8、如申請專利範圍第5項所述之透鏡元件,且 “凹^-側設有-凹陷部,該凹陷部與該凹穴相通了 :、如申請專利範圍第5項所述之整合結構,其中 5玄座體的反面具有至少一定位部。 、 其中 10、 如申請專利範圍第9項所述之整合結構 §亥疋位部為座體反面上的柱狀體。 其中 11、 如申請專利範圍第5項所述之整合結構 該發光二極體封裝社摄 ^ ❹電性i車紝、口冓上°又有一 V電接腳,該些導電接腳 電丨生連、,'σ於该電路板上。 12200936952 X. Patent application scope: 1. A lens component, which can be used with a light-emitting diode package structure, comprising: at least a first refractive body having an aspherical convex curved surface and located in the body The front side of the body is provided with at least one recess corresponding to the refracting body; and the first refractory body has a concave portion, and the concave portion is concavely formed at the center of the convex curved surface . It is called the lens element of the Dingliu 2 ', as in the scope of the patent scope, the § 凹 recess is provided with a recessed portion, and the recess is in communication with the recess: 'As described in the scope of the application (4) The lens element has a plurality of positioning portions at a position opposite to the back of the seat. ', ❹ ^ 4. The lens element according to claim 3, wherein the middle portion is a columnar body.八申, 5, an integrated structure with a lens element, including: - a circuit board; 栝. 夕 发光 LED package structure, 俜雷+n & 上上, has a second refraction body connected to The circuit board lens element is fixedly connected to the pole body package structure on the circuit board, and the transflective upper cover covers at least one first-refractive body on the light-emitting diode, and the second body has a body and a front surface of the body The hole corresponds to the first-curvature, and the back surface of the fifth surface is provided with at least a concave hole, and the four ^' optical surface is an aspherical convex portion 200936952. The curved surface is provided with a concave portion. a second light-emitting diode package structure, > offset from a central axis of the concave portion of the first refracting body, a portion of the light emitted by the central axis structure of the refracting body is directed to the first-refractive-light diode package. As described in item 5 of the patent application scope::: Combined structure The circuit board has an assembly portion. ~ Constructed therein, 7. The whole person gentleman as described in item 6 of the patent application scope. The assembly part is a hole in the circuit board. Wherein the core element is as claimed in claim 5, and the concave portion is provided with a recessed portion, the recessed portion is in communication with the recess: as described in claim 5 The integrated structure, wherein the reverse side of the five-seat body has at least one positioning portion, wherein, 10, the integrated structure as described in claim 9 is a columnar body on the opposite side of the seat body. The integrated structure of the fifth embodiment of the patent application scope is as follows: the light-emitting diode package is provided with a V-electric pin, and the conductive pin is electrically connected to the port. 'σ on the board. 12
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8602605B2 (en) 2010-01-07 2013-12-10 Seoul Semiconductor Co., Ltd. Aspherical LED lens and light emitting device including the same
TWI619989B (en) * 2012-09-14 2018-04-01 Lg伊諾特股份有限公司 Optical member and display device having the same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8602605B2 (en) 2010-01-07 2013-12-10 Seoul Semiconductor Co., Ltd. Aspherical LED lens and light emitting device including the same
TWI422074B (en) * 2010-01-07 2014-01-01 首爾半導體股份有限公司 Aspherical LED lens and light-emitting element containing the same
US9022618B2 (en) 2010-01-07 2015-05-05 Seoul Semiconductor Co., Ltd. Aspherical LED lens and light emitting device including the same
US9574737B2 (en) 2010-01-07 2017-02-21 Seoul Semiconductor Co., Ltd. Aspherical LED lens and light emitting device including the same
TWI619989B (en) * 2012-09-14 2018-04-01 Lg伊諾特股份有限公司 Optical member and display device having the same

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