TW200822393A - LED light source body - Google Patents

LED light source body Download PDF

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Publication number
TW200822393A
TW200822393A TW95141789A TW95141789A TW200822393A TW 200822393 A TW200822393 A TW 200822393A TW 95141789 A TW95141789 A TW 95141789A TW 95141789 A TW95141789 A TW 95141789A TW 200822393 A TW200822393 A TW 200822393A
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TW
Taiwan
Prior art keywords
light
emitting diode
plate
section
base plate
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TW95141789A
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Chinese (zh)
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TWI331409B (en
Inventor
Kazuhiro Miyashita
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Ace T Corp
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Publication of TWI331409B publication Critical patent/TWI331409B/zh

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Abstract

The present invention is related to a light-emitting diode (LED) light source body. The invention mainly includes a light-reflecting shell plate whose cross-section shows a parabolic curve shape extruding an arc from inside toward outside. In addition, one side of the parabolic curve is adjacent to the inside of the base plate, and outside of the base plate is adjacent to a light-transparent hood shell. The cross-section of the light-transparent hood shell is at least formed with the first light-transparent section, which extrudes an arc opposite to the light-reflecting shell plate, and the second light-transparent section connecting with the light-reflecting shell plate. At least one LED chip is mounted on the base plate. The virtual line extending from the front light-emitting face of the LED chip toward the cross-section passes the light-reflecting shell plate. In addition, under the cross-section state, the virtual extension line parallel to the virtual line for the adjacent point between the base plate and the light-transparent hood shell passes the light-reflecting shell plate. Instead of making the front light-emitting face of the LED chip directly face the light-transparent hood shell, light-emission is obtained via light refraction. Thus, for the disclosed LED chip, it is not directly necessary to consider the problems of distance from the light-transparent hood shell and focal length. Therefore, it is naturally unnecessary to form the restriction of straight line distance and length so as to have the effect of complete utilization of space.

Description

200822393 九、發明說明: 【發明所屬之技術領域】 本發明係種秋二之光_,尤指1應用於發 光之半導體製品之發光元件上,其料了將光導向更為$中且更 為以擬平行光的狀態產生,藉以減少光之損失與 使用’令光可有效並充分的被利用到。 x ❿ 【先前技術】 發光二極體(Light Emitting Diode ; LED)為半導體元件之 一種,由於具有體積小、壽命長、耗電量小等特性,已普遍應用 各種光電、日常生活領域。由於發光二極體是—種辭電壓,便 會發出光亮的半導體,而非藉著燈絲的加熱。 而在科技領域中,半導體和積體電路之發展中,用來發光之 半導體製品之「發光耕」和用來接收光之半導體製品之「受光 _ 70件」同樣的發達,前者用來將電變換成光,後者將光變換成電; 攸隶初之作為半導體發光元件之led(發光二極體)之發日月起,led 之發展目標-直追求如何「更亮」且「更多樣化」,目前已經有 很大的進步;電—光—電之變換不僅是針對眼睛可看到之可視光 而且其應用範圍也擴大到紅外線LED牙碎導體雷射等,利用光來 達成傳送電氣信號的目的。 请茶閱第i所示,其中發光體(i Q )包括有兩電極,且 =電極分為陽極(1 1)及陰極(12),而在陰極(12)上 衣又有用來產生反射效果之碟盤(13),其碟盤(13)裝 5 200822393 設有-發光二極體晶粒(14),其中碟盤(13)中亦裝設有 螢光粉,藉以由發光二極體晶粒(工4)產生光後經由榮光 =產 生不同之顏色,接著在發光二極體晶粒(i 4)與陽極(^) 間裝設有-接線(i 5)供以兩者相互連接,在陽極(11)與 陰極(1 2 )下連結有—植線(^ 5 )供以連接電源使鄉^ 體(1〇)發光,另外發光體(工〇)由透明樹脂所包覆,並其 上有-透鏡(16)來調整出光之範圍且亦可將光導向擬平行光 射出,而透鏡(1 6 )可設為各種職絲變化細性,另外也 有很多是製作成⑽或方形,其f見之細就 工 綠燈、手電筒等等。 平…、皁砬紅 另-錯技術如第二_示,發光體(2q 陰極⑵)與陽極(23),同樣的在陽極(23):: 二發=極體晶粒(24),並且在陽極(23)與發光::體 曰曰粒(2 4 )上皆有-接線(2 6 )供兩者相互連接 在發光體(2 G )肢-本料殼(2 i ),本料川= =有-,曲面(25),其織物曲面(25)裝設係正騎 =㈣(2 4 )规面,細纖菊 ㈣出之光導正紐平行光射出使其光線射出。 然而前述二·前技術,其中第—騎示之發 „量加大設計且讓光更為集中’需將 見加大’且要將發光二極體晶粒(i 4)與透 距 離拉長才能將光有效的導向集中射出的狀 二 =: 料與成本相對的就會增加。 、斤而相耗的材 200822393 而在第二圖巾所示之發光體(2q) ’其為了減少光的損失 與將光導向更為集中,其亦必須將發光二極體晶粒(2 4)與拋 物曲面(2 5)間的距離拉大,如此拋物曲面(2 5)必需使用 較大的拋物面設計’故其所需損耗的材料與成本亦相對的就會增 加,而其上兩者之設計皆無法配合導光板入光面狹小之設計,若 要將以上_習知之LED發光源構造在液晶螢幕之導光板上 將無法使液晶螢幕輕便及魏化,故其並無法完全符合現今之需 求。 又’如我國專利證號:233698「發光二極體燈及其製造方法」, 揭露-種發光二極體燈,係包括—燈芯及―反光罩,該燈芯上設 有發光二極體“,其位於該反鮮之反射絲之焦點上,且該 發光二極體晶狀發絲係正對反鮮之反射曲面,且與反光罩 之縱向軸線成G到85度爽角,然而由於該先前技術對於光線之投 射仍然必漏發光二極體晶粒與拋物曲關形成概約正面之對 應,且為因應對焦’發光二極體晶粒與透光罩間之軸向距離仍然 必須考量相當之間距’因此對於輕薄短小需求,仍有空間型態上 無法滿足之缺憾。 ^ 綜合前種先前脑,钟之問駐要在於胁未能充分 利用之光線反射之雛以及空_局之效益性,因此無法達成令 發光二極體之發光體空間運収為效率化,以致於無法達成輕薄 短小之目的。 200822393 【發明内容】 本么月主要之目的在於設計一種發光二極體光源體,主要包 括-反光殼板,飯光殼板讀面(二雜射之細或平面狀 態)係呈-由内向外凸弧(内側相對凹弧)之拋物線狀,且該拋 物線之’與-基座板之_相鄰,且基座板外娜接—透明罩 殼’該透明錢斷面至少形成—向反光殼板相對凸弧之第一透光 段,以及與反光殼板相連之第二透光段,該基座板設至少一發光 一極體曰曰體,該發光二極體晶體之正面發先面向,斷面狀態下延 伸之假想線通過該反光殼板,且基座板於斷面狀態下,其與透明 罩设鄰接點,與該假想線平行之假想延伸線亦通過該反光殼板。 由於本發明之使传發光一極體晶體之正面發光面向,並非直 接面對透明罩殼,而是透過一種折射光線所透出,因此本明中 之發光二極體晶體並無直接之必要,考量面對透明罩殼之距離以 及考量焦距問題;因此,自然無須形成直線距離輿長度之限制; 換言之,本發明乃是利用空間型態之轉折而使得發光二極體晶體 對於透光之輝度不影響之情況下,卻能創造一種空間充分利用之 效果。 【實施方式】 以下藉由圖式說明本發明之内容、特點以及實施例,俾使貴 審查委員對於本發明有更進一步之理解。 請參閱第三圖與第四圖所示,本發明係關於一種發光二極體 光源體,該發光二極體之光源體(3 )主要包括: 200822393 _ 一反光殼板(3 1),該反光殼板(3 1)之斷面係呈一由内 向外凸弧(内側相對凹弧)之拋物線狀,且該拋物線之一側與一 基座板(3 0)之内側相鄰,且基座板(3 〇)外侧鄰接一透明 罩殼(3 2 ),該透明罩殼(3 1)可以為透明樹脂或具有透明性 質之材料製,又,該透明樹脂含有螢光成份;且,該透明罩殼(3 2)所面至少形成一向反光殼板相對凸弧之第一透光段(3 2 A),以及與反光殼板相連之第二透光段(3 2 B ),該第二透光 藝段(3 2 B )與第一透光段(3 2 A)形成一轉折緣(3 2 c )(在 二維平面所呈現則為轉折點)。 該基座板(3 0)至少設一發光二極體晶體(3 3)(亦可為 一個、二個至更多而形成同一正面發光面向之並列),該發光二極 體晶體(3 3)之正面發光面向,斷面狀態下延伸之假想線(L 1)通過該反光殼板(3 1);且基座板(3 〇 )於斷面狀態下, 其與透明罩殼(3 2 )鄰接點(p ),與該假想線(l 1)平行之 假想延伸線(L 2)亦通過該反光殼板(31)。 春 又,本發明之反光殼板(31)係外部貼附反光薄膜(31 A ),或外部浸塗反光薄膜。 請參閱第五圖所示,以二維平面之舉例說明,本發明之光源 體(3)之基座板(3 0)上之發光二極體晶體(3 3)之光線, 由於係「正面發光面向」(即光線主要之散發表面),斷面狀態下 延伸之假想線(L 1 )通過該反光殼板(3 1 ),因此主要之光線 投射在反光殼板(3 1 ),而受到反射影響,該光線又循由第一透 光段(32A)以及第二透光段(32b)射出,形成各個平行 9 200822393 之面光源;因此形成發光二極體晶體(3 3 )毋庸設於第一透光 段(3 2A)以及第二透光段(323)對應面(可以省略直線 距離),卻可以達到設在第一透光段(3 2 A)以及第二透光段(3 2 B)之狀態。 且由於透明罩殼(3 2 )斷面形成一向反光殼板相對凸弧之 弟透光段(3 2 A)’基於凸面鏡之反光效果(透明罩殼仍有部 分光線無法穿過而形成反射,再經反光殼板以凹面鏡之聚光反射 _ 出透明罩殼,内侧為散光之效果,經由分散光線亦會反射回反光 λ又板)’以及發光一極體晶體(3 3 )之侧面光線仍有部分亦會穿 透出透明罩殼(3 2 );因此整個透明罩殼(3 2 )均可以形成光 線之均勻、平行之面光源。 惟以上所述者,僅為本發明之較佳實關,並_此而拘限 本發明之補範圍,舉凡運用本發明專麵圍巾所述構造之等效 變化,均應包含於本發明之專利範圍中。 200822393 k 【圖式簡單說明】 第一圖係先前技術(一)之立體圖 第二圖係先前技術(二)之平面圖 第三圖係本發明之立體圖 第四圖係本發明之平面示意圖 产 第-五谢翁未發调之光線效果示意圖 【主要元件符號說明】 (10):發光體 (1 1):陽極 (1 2 ):陰極 (1 3):碟盤 (14):發光二極體晶粒 (1 5):接線 (1 6 ):透鏡 • (2 0):發光體 (21):本體外殼 (2 2 ):陰極 (2 3 ):陽極 (2 4):發光二極體晶粒 (2 5 ):拋物曲面 (2 6) ·接線 (3 ):發光二極體 11 200822393 (3 0 ):基座板 (3 1):反光殼板 (3 2 ):透明罩殼 (3 2 A):第一透光段 (3 2B):第二透光段 (3 2 C):轉折緣 (3 3):發光二極體晶體 (L 1 ):假想線 (L 2):假想延伸線 (P ):鄰接點 (3 1 A):反光薄膜200822393 IX. Description of the Invention: [Technical Field of the Invention] The present invention relates to the light of the second autumn, especially to the light-emitting element of a semiconductor article that emits light, which is intended to direct light to more than $ and more It is produced in the state of pseudo-parallel light, so as to reduce the loss of light and the use of 'light' can be effectively and fully utilized. x ❿ [Prior Art] Light Emitting Diode (LED) is a kind of semiconductor component. Due to its small size, long life and low power consumption, it has been widely used in various fields of optoelectronics and daily life. Since the light-emitting diode is a kind of voltage, it will emit a bright semiconductor instead of heating by the filament. In the field of science and technology, in the development of semiconductors and integrated circuits, the "lighting ploughing" of semiconductor products used for illuminating is similar to the "lighting _ 70 pieces" of semiconductor products used to receive light. The former is used to power Transformed into light, the latter transforms light into electricity; 攸Liu's development as a semiconductor light-emitting element led (light-emitting diode), the development goal of led - straight pursuit of how to "brighter" and "more At present, there has been a great progress; the electro-optical-electrical transformation is not only for the visible light that can be seen by the eyes, but also for the application of the infrared LED shredded conductor laser, etc. The purpose of the signal. Please refer to the first part, wherein the illuminant (i Q ) comprises two electrodes, and the = electrode is divided into an anode (1 1) and a cathode (12), and the cathode (12) top is used to generate a reflection effect. The disc (13), the disc (13) is equipped with 5 200822393, and is provided with a light-emitting diode die (14), wherein the disc (13) is also provided with phosphor powder, thereby being made of a light-emitting diode crystal. After the particles (Work 4) generate light, glory = generate different colors, and then a wiring (i 5) is provided between the light-emitting diode (i 4) and the anode (^) to connect the two. A cathode line (^ 5 ) is connected under the anode (11) and the cathode (1 2 ) for connecting the power source to illuminate the body (1 〇), and the illuminant (worker) is covered with a transparent resin, and There is a lens (16) to adjust the range of light and also to direct the light to the quasi-parallel light, and the lens (16) can be set to various grades of fineness, and many are made into (10) or square. The details of the work are green lights, flashlights, and so on. Flat..., saponin red another-error technique as shown in the second figure, the illuminant (2q cathode (2)) and the anode (23), the same at the anode (23):: two hair = polar body grains (24), and On the anode (23) and the luminescence:: body granules (2 4 ), there are - wiring (2 6 ) for the two to be connected to each other in the illuminant (2 G) limb - the shell (2 i ), the material Chuan = = Yes -, surface (25), fabric surface (25) installed Zheng riding = (four) (2 4) gauge, fine filigree (four) out of the light guide is parallel light emitted to make its light out. However, the aforementioned two prior art, in which the first-horse shows that the amount of design is increased and the light is more concentrated, it is necessary to increase the 'and the light-emitting diode (i 4) and the distance is elongated. In order to concentrate the light effectively, the shape of the shot is two. = The material and the cost will increase. The material that consumes the weight of the material is 200822393. The illuminant (2q) shown in the second towel is used to reduce the light. The loss and the direct focus of the light must also increase the distance between the light-emitting diode (2 4) and the parabolic surface (25), so the parabolic surface (25) must use a larger paraboloid design. 'Therefore, the material and cost of the required loss will increase, and the design of the above two can not match the design of the light-emitting surface of the light guide plate. If the above-mentioned LED light source is constructed on the LCD screen The light guide panel will not be able to make the LCD screen light and smooth, so it can not fully meet the needs of today. Also, such as China Patent No.: 233698 "Light-emitting diode lamp and its manufacturing method", revealing - kind of light two Polar body lights, including - wick and "reflector" The wick is provided with a light-emitting diode, which is located at the focus of the reflective wire of the fresh-keeping light, and the crystal hairline of the light-emitting diode is opposite to the reflective surface of the fresh-keeping reflector, and is formed with the longitudinal axis of the reflector. G to 85 degrees of cool angle, however, due to the prior art for the projection of light, the light-emitting diode crystal grains must be formed to correspond to the parabolic curve, and in response to the focus 'light-emitting diode die and light transmission The axial distance between the hoods must still be considered to be a considerable distance. Therefore, there is still a shortcoming of the space type that can not be satisfied for the light, thin and short needs. ^Integrated with the former brain, the clock is located in the light that the threat is not fully utilized. The efficiency of the reflection of the chick and the space of the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Designing a light-emitting diode source body, mainly comprising a --reflective shell plate, the rice-light shell plate reading surface (two fine-grained fine or planar state) is - an arc from the inside to the outside (the inner side is opposite to the concave arc) The object is linear, and the parabola is adjacent to the pedestal plate, and the pedestal plate is externally connected to the transparent cover. The transparent money section forms at least the first transparent radiant of the reflective shell. a light segment, and a second light-transmissive segment connected to the reflective shell plate, wherein the base plate is provided with at least one light-emitting one-pole body, and the front surface of the light-emitting diode crystal faces first, and the imaginary extension in the cross-sectional state The wire passes through the reflective shell plate, and the base plate is in a cross-sectional state, and the transparent cover is adjacent to the transparent cover, and the imaginary extension line parallel to the imaginary line also passes through the reflective cover plate. The front side of the body crystal is not directly facing the transparent cover, but is transmitted through a refracted light. Therefore, the light-emitting diode crystal in the present invention is not directly necessary, considering the distance from the transparent cover and Considering the focal length problem; therefore, it is naturally unnecessary to form a limit of the linear distance ; length; in other words, the present invention can create a kind of use of the spatial type transition so that the illuminating diode crystal does not affect the brightness of the light transmission, but can create a kind air Make full use of the effect. [Embodiment] The contents, features, and embodiments of the present invention will be described in the following description, and the review of the present invention will be further understood. Referring to the third and fourth figures, the present invention relates to a light emitting diode light source body, and the light source body (3) of the light emitting diode mainly comprises: 200822393 _ a reflective shell plate (3 1), The cross section of the reflective shell plate (31) is parabolically curved from the inner side to the outer side (the inner side is opposite to the concave arc), and one side of the parabola is adjacent to the inner side of a base plate (30), and the base is The transparent cover (31) may be made of a transparent resin or a material having a transparent property, and the transparent resin contains a fluorescent component; and The transparent cover (32) faces at least a first light-transmissive section (3 2 A) opposite to the convex arc of the reflective shell, and a second light-transmitting section (3 2 B) connected to the reflective shell, the first The two light transmissive segments (3 2 B ) form a turning edge (3 2 c ) with the first light transmitting segment (3 2 A) (showing a turning point in a two-dimensional plane). The base plate (30) is provided with at least one light-emitting diode crystal (3 3) (may also be one, two or more and juxtaposed to form the same front light-emitting surface), the light-emitting diode crystal (3 3 The front side of the light-emitting surface, the imaginary line (L 1) extending in the cross-sectional state passes through the reflective shell plate (3 1); and the base plate (3 〇) is in the cross-sectional state, and the transparent cover (3 2 The adjacent point (p), the imaginary extension line (L 2) parallel to the imaginary line (l 1) also passes through the reflective cover plate (31). In spring, the reflective shell plate (31) of the present invention is attached with a reflective film (31 A) or an external dip-coated reflective film. Referring to the fifth figure, the light of the light-emitting diode crystal (3 3) on the base plate (30) of the light source body (3) of the present invention is illustrated by the two-dimensional plane. The illuminating surface (ie, the main emitting surface of the light) passes through the illuminating shell (3 1 ) extending in the cross-sectional state, so that the main light is projected on the reflective shell (3 1 ) Influenced by the reflection, the light is further emitted by the first light transmitting section (32A) and the second light transmitting section (32b) to form a surface light source of each parallel 9 200822393; therefore, the formation of the light emitting diode crystal (3 3 ) is not necessarily The first light transmitting section (3 2A) and the corresponding surface of the second light transmitting section (323) (the linear distance may be omitted), but may be disposed in the first light transmitting section (3 2 A) and the second light transmitting section (3) 2 B) Status. And because the transparent cover (3 2 ) cross-section forms a transparent reflector (3 2 A) of the opposite convex arc of the reflective shell is based on the reflective effect of the convex mirror (the transparent cover still has some light that cannot pass through to form a reflection, The reflective shell is then reflected by the concave mirror _ out of the transparent cover, the inner side is the effect of astigmatism, and the scattered light is also reflected back to the reflective λ and the plate) and the side light of the illuminating one-pole crystal (3 3 ) remains Some of them will also penetrate the transparent cover (3 2 ); therefore, the entire transparent cover (32) can form a uniform, parallel surface light source of light. However, the above is only a preferred embodiment of the present invention, and the scope of the present invention is limited thereto, and equivalent changes to the configuration of the face scarf of the present invention should be included in the present invention. In the scope of patents. 200822393 k [Simplified illustration of the drawings] The first drawing is a perspective view of the prior art (a), the second drawing is a plan view of the prior art (2), the third drawing is a perspective view of the present invention, and the fourth drawing is a plan view of the present invention - Schematic diagram of the light effect of the five Xie Weng unadjusted [main component symbol description] (10): illuminant (1 1): anode (1 2 ): cathode (1 3): disc (14): illuminating diode crystal Grain (1 5): Wiring (1 6 ): Lens • (2 0): Luminaire (21): Body shell (2 2 ): Cathode (2 3 ): Anode (2 4): Light-emitting diode grain (2 5 ): parabolic surface (2 6) • wiring (3): light-emitting diode 11 200822393 (3 0 ): base plate (3 1): reflective shell (3 2 ): transparent cover (3 2 A): first light transmission section (3 2B): second light transmission section (3 2 C): turning edge (3 3): light emitting diode crystal (L 1 ): imaginary line (L 2): imaginary extension Line (P): Adjacent point (3 1 A): Reflective film

Claims (1)

200822393 β 十、申請專利範圍: 1、 一f發光一極體光源體,主#包括一反光殼板,該反光殼板 之斷面係呈-由崎外凸弧(___瓜)之拋物線狀係 呈-拋物線狀,且該拋物線之一侧與一基座板之内側相鄰, 且基座板外侧鄰接-透明罩殼,該透明罩殼斷面至少形成一 向反光殼板相對凸弧之第-透光段,以及與反光殼板相連之 第二透光段,該基座板設至少—發光二極體晶體,該發光二 φ 極體s曰體之正面發光面向,斷面狀態下延伸之假想線通過該 反光殼板,且基座板於斷面狀態下,其與透明罩殼鄰接點, 與該假想線平行之假想延伸線亦通過該反光殼板。 2、 如申請專利範圍第1項所述之發光二極體光源體,其中該透 明罩殼為透明樹脂所製。 3、 如申請專利範圍第1項所述之發光二極體光源體,其中發光 二極體晶粒數量可為單個或複數個並排排列。 4、 如申請專利範圍第1項所述之發光二極體光源體,其中該反 光殼板係外部貼附反光薄膜。 5、 如申請專利範圍第1項所述之發光二極體光源體,其中該反 光殼板為外部浸塗反光薄膜。 6、 如申請專利範圍第1項所述之發光二極體光源體,其中該第 二透光段與第一透光段形成一轉折緣。 7、 如申請專利範圍第2項所述之發光二極寧光源體,其中該透 明樹脂含有螢光成份。 13200822393 β X. Patent application scope: 1. A f-lighting one-pole body light source body, the main # includes a reflective shell plate, and the cross-section of the reflective shell plate is parabolically shaped by a convex arc (___ melon) The structure is in a parabolic shape, and one side of the parabola is adjacent to the inner side of a base plate, and the outer side of the base plate abuts the transparent cover, and the transparent cover has at least a relatively convex arc of the opposite reflective plate. a light transmissive section, and a second light transmissive section connected to the reflective shell plate, wherein the base plate is provided with at least a light emitting diode crystal, and the front side of the light emitting body of the light emitting body is extended in a cross section The imaginary line passes through the reflective shell, and the base plate is in a cross-sectional state, and the imaginary extension line parallel to the imaginary line passes through the reflective shell. 2. The light-emitting diode light source body according to claim 1, wherein the transparent cover is made of a transparent resin. 3. The light-emitting diode source body according to claim 1, wherein the number of the light-emitting diodes may be single or plural arranged side by side. 4. The light-emitting diode light source body according to claim 1, wherein the reflective shell is externally attached with a reflective film. 5. The light-emitting diode light source body according to claim 1, wherein the reflective shell plate is an external dip-coated reflective film. 6. The light-emitting diode source body of claim 1, wherein the second light-transmissive segment and the first light-transmissive segment form a turning edge. 7. The illuminating diode source according to claim 2, wherein the transparent resin contains a fluorescent component. 13
TW95141789A 2006-11-10 2006-11-10 LED light source body TW200822393A (en)

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TWI331409B TWI331409B (en) 2010-10-01

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