TW581847B - Electric light which uses light emitting diodes to generate light - Google Patents

Electric light which uses light emitting diodes to generate light Download PDF

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Publication number
TW581847B
TW581847B TW90128372A TW90128372A TW581847B TW 581847 B TW581847 B TW 581847B TW 90128372 A TW90128372 A TW 90128372A TW 90128372 A TW90128372 A TW 90128372A TW 581847 B TW581847 B TW 581847B
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Taiwan
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light
scope
electric lamp
item
patent application
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TW90128372A
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Chinese (zh)
Inventor
Rung-De Lin
Jung-Yao Chen
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Elumina Technology Inc
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Publication of TW581847B publication Critical patent/TW581847B/en

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  • Traffic Control Systems (AREA)

Abstract

An electric light includes a substrate, a light source set, a first reflector set, an optical lens set and a second reflector. The light source set includes a plurality of light emitting diodes (LEDs) for generating light. The first reflector set is used to reflect the light transmitted from the light emitting diodes. The optical lens set is used to concentrate the light transmitted from the light emitting diodes and the first reflector set. The second reflector is used to reflect the light transmitted from the optical lens set.

Description

581847 修正 _______________________案號 90128372__________________^一』 五、發明說明(1) 發明之領域: I并/種使用發光二極體為 本發明係提供一種電燈’尤 光源之電燈。 背景說明: a方α ,玎是傳統的電燈壽 電燈為日常生活不可或f漆 應用。取而代之的 命短且耗電量大,已日漸不為產^ ght emitti 便是壽命長且耗電量少的發光一極體( 亮度不及傳 diode, LED),雖然發光二極體毛出1 源,且近年來 統的電燈,但其耗電量很低,玎大里二含# & α ^ ^ 投人於發光二極體的發展愈來愈多’,、3:二止 趨勢。以交通號誌燈為你】,目前已有交通號“燈改用毛光 二極體為光源來產生照明的效果。 請參考圖一,圖一為習知交通號誠燈1 〇的示意圖。父 通號誌燈1 0包含有一殼體1 2、一基板1 6、一光源組1 8、一 第一反射鏡組20、一光學透鏡組22以及一外罩14。基板16 係設置於殼體1 2内,光源組1 8包含有複數個發光二極體 (light emitting diode,LED)24,以陣列之方式設於基 板16上,用來產生紅色、綠色、黃色、藍色、白色或其他 顏色之光線。第一反射鏡組2 0包含有複數個反射鏡2 6,以 陣列之方式設於基板1 6上,每二相鄰的反射鏡2 6之間設有 581847 案號 90128372 ^ --------------------------------------------〜------------------^ 且 g 五、發明說明(2) 一發光一極體2 4,反射鏡2 6係用來反射 射之光線。光學透鏡組22包含有複數個 (Fresnel lens)28’以陣列之方式設於 射鏡組2 0之上方’用來匯聚複數個發光 反射鏡2 6所傳來之光線。外罩1 4係設於 透光學透鏡組2 2傳來之光線。 請參考圖二,圖二為圖一交通號誌 意圖。交通號誌燈1 0中每一發光二極體 線3 0會直接穿透其相對應之透鏡28,而 由置於發光二極體2 4兩側的反射鏡2 6作 鏡2 8。而交通號諸燈1 0中每一透鏡2 8會 光二極體2 4及反射鏡2 6所傳來之光線, 發光角3 4内發射出去。最後,經由光學 光線會穿透交通號誌燈1 0的外罩1 4而把 但是,經由光學透鏡組2 2所發射的 外罩1 4的中間部份傳送出去,而小部份 圍部份傳送出去,因此,外罩1 4中間部 南’而外罩1 4外圍的光線党度則很低。 度的不均勻分佈,使交通號誌燈1 0的照 因此,本發明之主要目的在於提供 分佈之電燈。 發光二極體2 4所發 菲涅爾透鏡 光源組1 8及第一反 二極體2 4及複數個 殼體1 2上,用來穿 燈1 0之光線路徑示 2 4所產生的部份光 部份光線3 2則會經 反射後’再穿透透 匯聚其相對應之發 使光線於一固定的 透鏡組2 2所發射的 光線傳出去。 光線大部份會經由 會經由外罩1 4的外 份的光線亮度會很 這樣將造成光線亮 明效果不佳。 一種可使光線均勻 581847 _____________________________________案號 90128372____________________年 一一Λ——旦_____________修正—_____________________________________ |五、發明說明(3)581847 Amend _______________________Case No. 90128372 __________________ ^ 1. V. Description of the invention (1) Field of invention: I / types of light-emitting diodes are used in accordance with the present invention. The present invention provides an electric lamp, especially an electric lamp. Background note: a square α, 玎 is the traditional electric lamp life. Electric lamps are indispensable for daily life. Instead, it has a short life and a large power consumption, and it is no longer produced ^ ght emitti is a long-life and low-power light-emitting diode (less than the diode, LED), although the light-emitting diode has 1 source of hair And, in recent years, electric lamps have been traditionally used, but their power consumption is very low. 玎 大里 二 含 # & α ^ ^ Invested in the development of light-emitting diodes more and more, "3: 2 trend. Take the traffic light for you], there are currently traffic lights "the light is changed to a light-emitting diode as the light source to produce the lighting effect. Please refer to Figure 1, which is a schematic diagram of the conventional traffic light sincere lamp 10. Father The general purpose lamp 10 includes a housing 12, a substrate 16, a light source group 18, a first reflecting mirror group 20, an optical lens group 22, and an outer cover 14. The substrate 16 is disposed in the housing 1 In 2, the light source group 18 includes a plurality of light emitting diodes (LEDs) 24, which are arranged in an array on the substrate 16 to generate red, green, yellow, blue, white, or other colors. The first reflecting mirror group 20 includes a plurality of reflecting mirrors 26, which are arranged on the substrate 16 in an array manner, and there are 581847 between each two adjacent reflecting mirrors 26. Case No. 90128372 ^- ------------------------------------------ ~ ------- ----------- ^ and g 5. Description of the invention (2) A light-emitting and polar body 2 4 and a reflecting mirror 2 6 are used to reflect the emitted light. The optical lens group 22 includes a plurality of ( Fresnel lens) 28 'is set above the lens group 2 0 in an array mode for sinking Light from a plurality of luminous reflectors 26. The cover 1 4 is the light from the transparent lens group 2 2. Please refer to Figure 2. Figure 2 is the intent of the traffic signal in Figure 1. Traffic light 1 Each light-emitting diode line 30 in 0 will directly penetrate its corresponding lens 28, and the reflectors 2 6 on both sides of the light-emitting diode 2 4 will be used as mirrors 2 and 8. The traffic signal lights 1 Each lens 28 in 0 emits light from the light diode 2 4 and the reflector 26, and emits it within the luminous angle 3 4. Finally, the optical light penetrates the cover of the traffic light 1 0 1 4 However, the middle part of the outer cover 14 transmitted through the optical lens group 22 is transmitted, and a small part of the outer part is transmitted. Therefore, the outer light of the outer cover 14 is south, and the outer part of the outer cover 14 is transmitted. The degree is very low. The uneven distribution of the degree makes the traffic light 10 shine. Therefore, the main purpose of the present invention is to provide a distributed electric lamp. The Fresnel lens light source group 18 issued by the light-emitting diode 24 and The first anti-diode 24 and the plurality of shells 12 are used to pass through the light path of the lamp 10, and the portion generated by the line 2 4 is shown. The light part 3 2 will be reflected and then penetrate and converge its corresponding hair to transmit the light emitted by a fixed lens group 2 2. Most of the light will pass through the cover 1 4 The brightness of the external light will be very high, which will cause the light to brighten poorly. One can make the light uniform 581847 _____________________________________ Case No. 90128372____________________ Year One One _______________ Amendment______________________________________ | 5. Description of the Invention (3 )

I | |發明之詳細說明: j 請參考圖三,圖三為本發明交通號誌燈5 0的示意圖。 交通號誌燈5 0包含有一殼體5 2、一基板5 6、一光源組5 8、 一第一反射鏡組60、一光學透鏡組62、一第二反射鏡70以 及一外罩5 4。基板5 6係設置於殼體5 2内,光源組5 8包含有 複數個發光二極體(light emitting diode, LED)64,以 陣列之方式設於基板5 6上,用來產生紅色、綠色、黃色、 藍色、白色或其他顏色之光線。第一反射鏡組60包含有複 數個反射鏡6 6,以陣列之方式設於基板5 6上,每二相鄰的 反射鏡6 6之間設有一發光二極體6 4,反射鏡6 6係用來反射 發光二極體6 4所發射之光線。光學透鏡組6 2包含有複數個 菲涅爾透鏡(F r e s n e 1 1 e n s ) 6 8,以陣列之方式設於光源組 5 8及第一反射鏡組6 0之上方,用來匯聚複數個發光二極體 6 4及複數個反射鏡6 6所傳來之光線。第二反射鏡7 0係呈軸 對稱之形狀,其係設於光學透鏡組6 2的上方,用來反射光 學透鏡組6 2傳來的光線,第二反射鏡7 0包含有複數個開孔 7 1,用來穿透光學透鏡組6 2傳來的光線。殼體5 2之内側具 有一反射面74,用來反射第二反射鏡70傳來的光線。外罩 5 4係設置於殼體5 2上,用來穿透第二反射鏡7 0、光學透鏡 組6 2及殼體5 2内側之反射面7 4所傳來的光線。 請參考圖四,圖四為圖三交通號誌燈5 0之光線路徑示 581847 案-----------生—月 曰 修^___________________ .一__________________________________一 ---------------------- 五、發明說明(4) 意圖。交通號誌燈5 0中每一發光二極體6 4所產生的部份光 線7 6會直接穿透其相對應之透鏡6 8,而部份光線7 8則會經 由置於發光二極體64旁邊的反射鏡66反射後,再穿透透鏡 6 8。而交通號誌燈5 0中每一透鏡6 8會匯聚其相對應之發光 二極體6 4及反射鏡6 6所傳來之光線,使其於一固定的發光 角内發射出去。經由光學透鏡組6 2所發射的部份光線7 6會 直接穿透交通號諸燈5 0的外罩5 4而把光線傳出去’而部份 光線7 8,8 2則會經由第二反射鏡7 0作反射後,再穿透交通 號誌燈5 0的外罩5 4而把光線傳出去,而有部份光線8 0則會 穿過第二反射鏡7 〇的開孔71後,再穿透交通號誌燈5 0的外 罩5 4而把光線傳出去,其餘部份光線8 4則分別經由第二反 射鏡70及殼體52内側之反射面74作反射後,再穿透交通號; 諸燈5 0的外罩5 4而把光線傳出去。 如此,經由第二反射鏡70及殼體52内側的反射面74反 射後的光線將均勻分佈於外罩5 4上,再穿透外罩5 4而把光 線傳送出去。因此,從交通號誌燈5 0的外罩5 4所發射的光 線亮度將很平均,使交通號誌燈5 0的照亮效果良好。 請參考圖五,圖五為本發明另一實施例燈泡9 0之光線 路徑示意圖。圖五所示燈泡9 0與圖四所示交通號諸燈$ 〇不 同之處在於燈泡9 〇並未具有可反射光線之殼體5 2,而僅包 含有一可讓光線穿透的外殼9 2,如此一來,原來分別經由 第二反射鏡7 〇及般體5 2内側之反射面7 4作反射的光線8 4 ’ 581847 〜…__________________案號 90128372_______________手—J_______________________ 五、發明說明(5) 如今只會經由第二反射鏡7 0作反射後,便直接穿透燈泡9 0 的外殼9 2而把光線8 4傳出去。本實施例同樣玎達到讓光線 均勻分佈的向外投射的目的。 以上所述的實施例中的透鏡6 8係以菲涅爾透鏡為例加 以說明,然而本發明之透鏡6 8亦可為其他不同種類之透 鏡’只要透鏡為可匯聚從發光二極體64及反射鏡66所傳來 ^光線’並使其於一固定的發光角内發射出去,皆屬於本 ,I所揭露之技術内容。另外,實施例中的第二反射鏡7 0 ,含有複數個開孔7 1,然而本發明之第二反射鏡7 0亦可為 又有開孔7 1,此皆屬於本發明所揭露之技術内容。 射铲4目較於習知電燈10,本發明電燈50,90包含有第二反 二反粉〇,以使從光學透鏡組W所發射的部份光線可經由第 從電t鏡70作反射後,均勻投射於外罩54,92上,因此, 拫平j 5〇 ’ 90的外罩54或外殼92所發射出來的光線亮度會 3 ’使電燈5 0,9 0的照射效果佳。 利範g上所述僅本發明之較佳實施例,凡依本發明申請專 範園所做之均等變化與修飾,皆應屬本發明專利之涵蓋 581847 案號90128372 年月日 修正 厂 - ' ~ 一 — 一 i圖式簡單說明 圖式之簡單說明: 圖一為習知交通號誌、燈的示意圖。 圖二為圖一交通號誌燈之光線路徑示意圖。 圖三為本發明交通號誌燈的示意圖。 圖四為圖三交通號誌燈之光線路徑示意圖。 圖五為本發明另一實施例燈泡之光線路徑示意圖 ! 圖式之符號說明:I | | Detailed description of the invention: j Please refer to FIG. 3, which is a schematic diagram of the traffic light 50 of the present invention. The traffic light 50 includes a housing 5 2, a substrate 5 6, a light source group 5 8, a first reflecting mirror group 60, an optical lens group 62, a second reflecting mirror 70, and a cover 54. The substrate 5 6 is disposed in the housing 5 2, and the light source group 5 8 includes a plurality of light emitting diodes (LEDs) 64, and is arranged on the substrate 5 6 in an array manner to generate red and green colors. , Yellow, blue, white, or other colors of light. The first mirror group 60 includes a plurality of mirrors 6 6, which are arranged on the substrate 5 6 in an array manner. A light-emitting diode 6 4 and a mirror 6 6 are provided between every two adjacent mirrors 6 6. It is used to reflect the light emitted by the light emitting diode 64. The optical lens group 6 2 includes a plurality of Fresne lenses (F resne 1 1 ens) 6 8, which are arranged in an array manner above the light source group 5 8 and the first reflecting mirror group 60 to collect a plurality of light. Light from a diode 6 4 and a plurality of reflectors 6 6. The second reflecting mirror 70 is an axisymmetric shape, which is arranged above the optical lens group 62 to reflect the light transmitted by the optical lens group 62. The second reflecting mirror 70 includes a plurality of openings. 7 1. Used to penetrate the light from the optical lens group 6 2. A reflecting surface 74 is provided on the inner side of the housing 52 for reflecting the light from the second reflecting mirror 70. The outer cover 5 4 is arranged on the housing 5 2, and is used to penetrate the light from the second reflecting mirror 70, the optical lens group 62, and the reflecting surface 7 4 inside the housing 5 2. Please refer to Figure 4. Figure 4 shows the light path of the traffic light 50 in Figure 3. 581847 Case ----------- Health-Monthly Repair ^ ___________________. 1 __________________________________ 1 ---- ------------------ 5. Description of the invention (4) Intent. Some of the light rays 7 6 generated by each light-emitting diode 6 4 in the traffic signal lamp 50 will directly penetrate its corresponding lens 6 8, and some of the light rays 78 will pass through the light-emitting diode. The reflection mirror 66 next to 64 passes through the lens 68 again. Each of the lenses 68 of the traffic light 50 will converge the light from the corresponding light-emitting diodes 64 and the reflector 66, and cause it to emit within a fixed light-emitting angle. Part of the light 7 6 emitted through the optical lens group 6 2 will directly penetrate the cover 5 4 of the traffic lights 50 and pass the light out ', and part of the light 7 8 and 8 2 will pass through the second reflector After 70 is reflected, it passes through the cover 5 4 of the traffic light 50 to pass the light out, and some of the light 80 will pass through the opening 71 of the second reflector 70 and then pass through Through the cover 5 4 of the traffic signal lamp 50 to pass the light out, the remaining part of the light 8 4 is reflected by the second reflector 70 and the reflective surface 74 inside the housing 52, and then penetrates the traffic signal; The covers 5 4 of the lamps 50 pass the light out. In this way, the light reflected by the second reflecting mirror 70 and the reflecting surface 74 on the inner side of the housing 52 will be evenly distributed on the outer cover 54, and then penetrate the outer cover 54 to transmit the light. Therefore, the brightness of the light emitted from the cover 5 4 of the traffic light 50 will be even, so that the lighting effect of the traffic light 50 is good. Please refer to FIG. 5, which is a schematic diagram of a light path of a light bulb 90 according to another embodiment of the present invention. The difference between the light bulb 90 shown in FIG. 5 and the traffic lights $ 0 shown in FIG. 4 is that the light bulb 9 has no housing 5 2 that can reflect light, but only includes a housing 9 2 that allows light to penetrate. In this way, the light reflected by the second reflecting mirror 7 0 and the general body 5 2 inside the reflective surface 7 4 was originally used to reflect the light 8 4 ′ 581847 ~… __________________ Case No. 90128372_______________ Hand—J _______________________ V. Description of the invention (5 ) Now, only after being reflected by the second mirror 70, it directly penetrates the housing 92 of the bulb 90 and transmits the light 84. This embodiment also achieves the purpose of making the light projected uniformly and outwardly. The lens 68 in the above-mentioned embodiment is described by taking a Fresnel lens as an example. However, the lens 68 of the present invention may also be another different kind of lens. The light coming from the reflector 66 and emitting it within a fixed light-emitting angle belongs to the technical content disclosed in this and I. In addition, the second reflecting mirror 70 in the embodiment includes a plurality of openings 71, but the second reflecting mirror 70 of the present invention may also have openings 71, which all belong to the technology disclosed in the present invention. content. Compared with the conventional electric lamp 10, the shooting shovel 4 eye, the electric lamp 50, 90 of the present invention includes a second anti-two anti-powder, so that part of the light emitted from the optical lens group W can be reflected by the second electric mirror 70 After that, it is evenly projected on the outer covers 54 and 92. Therefore, the brightness of the light emitted by the outer cover 54 or the outer cover 92 of the pingping j 50 ′ 90 will be 3 ′, so that the lighting effect of the electric lamps 50 and 90 is good. The above-mentioned Lifan g is only the preferred embodiment of the present invention. Any equal changes and modifications made in the application for the exclusive garden according to the present invention shall be covered by the patent of the present invention. Case No. 90128372 Correction Factory-'~ I—I Schematic Illustration Schematic Illustration: Figure 1 is a schematic diagram of the traffic signs and lights. Figure 2 is a schematic diagram of the light path of the traffic light in Figure 1. FIG. 3 is a schematic diagram of a traffic light according to the present invention. Figure 4 is a light path diagram of the traffic light in Figure 3. Figure 5 is a schematic diagram of the light path of a light bulb according to another embodiment of the present invention! Symbol description of the diagram:

10 交通號誌燈 12 殼體 14 外罩 16 基板 18 光源組 20 第一 反射鏡組 22 光學透鏡組 24 發光 二極體 26 反射鏡 28 透鏡 50 交通號誌燈 52 殼體 54 外罩 56 基板 58 光源組 60 第一 反射鏡組 62 光學透鏡組 64 發光二極體 66 反射鏡 68 透鏡 70 第二反射鏡 71 開孔 74 92 反射面 外殼 90 燈泡 第10頁10 traffic light 12 housing 14 cover 16 base plate 18 light source group 20 first reflector group 22 optical lens group 24 light emitting diode 26 reflector 28 lens 50 traffic light 52 housing 54 cover 56 base plate 58 light source group 60 The first mirror group 62 The optical lens group 64 The light-emitting diode 66 The mirror 68 The lens 70 The second mirror 71 The opening 74 The reflecting surface housing 90 The light bulb page 10

Claims (1)

581847 r iJ^_-90j28372__________生_^______^___ 修是_________________________________ |六、申請專利範圍 11 · 一種電燈,其包含有: 一基板; 光源組’其包含有複數個發光二極體(1 i g h t emitting diode,LED),設於該基板上,用來產生光線; 一第一反射鏡組,其包含有複數個反射鏡,設於該基 板上’用來反射該複數個發光二極體所發射之光線; 一光學透鏡組’其包含有複數個透鏡,設於該光源組 及該第一反射鏡組之上方,用來穿透該複數個發光二極體 及該複數個反射鏡所傳來之光線;以及 一第一反射鏡’設於該光學透鏡組的上方,用來反射 該光學透鏡組傳來之光線。 2 ·如申請專利範圍第1項所述之電燈,其中該複數個發 光二極體、該複數個反射鏡及該複數個透鏡均係以陣列之 方式設於該基板上。 3. 如申請專利範圍第1項所述之電燈,其t每一發光二 極體係設於二相鄰反射鏡之間。 λ 4. 如申請專利範圍第1項所述之電燈,其中該第二反射 鏡具有複數個開孔,用來穿透該光學透鏡組傳來之光線。 5. 如申請專利範圍第4項所述之電燈,其中該第二反射 鏡係呈軸對稱之外形。 一581847 r iJ ^ _- 90j28372__________ 生 _ ^ ______ ^ ___ The repair is _________________________________ | 6. The scope of patent application11 · An electric lamp including: a substrate; a light source group 'which includes a plurality of light emitting diodes (1 ight emitting diode (LED), which is arranged on the substrate to generate light; a first reflector group, which includes a plurality of reflectors, is disposed on the substrate, and is used to reflect the plurality of light emitting diodes. An emitted light; an optical lens group 'comprising a plurality of lenses, disposed above the light source group and the first reflecting mirror group, and used to penetrate the plurality of light emitting diodes and the plurality of reflecting mirrors; Incoming light; and a first reflector 'is disposed above the optical lens group, and is configured to reflect the light from the optical lens group. 2. The electric lamp according to item 1 in the scope of the patent application, wherein the plurality of light emitting diodes, the plurality of reflectors and the plurality of lenses are all arranged on the substrate in an array. 3. The electric lamp as described in item 1 of the scope of patent application, wherein each light emitting diode system is arranged between two adjacent reflectors. λ 4. The electric lamp according to item 1 of the scope of the patent application, wherein the second mirror has a plurality of openings for penetrating light from the optical lens group. 5. The electric lamp according to item 4 of the scope of patent application, wherein the second reflector is an axisymmetric outer shape. One 581847 _____________________________案號 90128372__________________色一月—______a_____________________________________ I六、申請專利範圍 6. 如申請專利範圍第1項所述之電燈,其中該複數個透 鏡係為菲涅爾透鏡(Fresnel lens),用來匯聚該複數個發 光二極體及該複數個反射鏡所傳來之光線。 7. 如申請專利範圍第1項所述之電燈,其中該複數個發 光二極體係用來產生紅色、綠色、黃色、藍色或白色之光 線。 8. 如申請專利範圍第1項所述之電燈,其另包含有一殼 體及一外罩,該基板係設於該殼體内,該殼體之内側具有 一反射面,用來反射該第二反射鏡傳來之光線;該外罩係 設於該殼體上,用來穿透該第二反射鏡及該光學透鏡組傳 來之光線。 9. 如申請專利範圍第8項所述之電燈,其係為一交通號 諸、燈。 1 0 .如申請專利範圍第1項所述之電燈,其另包含有一外 殼,用來穿透該第二反射鏡及該光學透鏡組傳來之光線。 11.如申請專利範圍第1 0項所述之電燈,其係為一燈泡。581847 _____________________________ Case No. 90128372__________________ Color January —______ a_____________________________________ I. Application for patent scope 6. The electric lamp as described in item 1 of the scope of patent application, wherein the plurality of lenses are Fresnel lenses for Concentrate light from the plurality of light emitting diodes and the plurality of reflectors. 7. The electric lamp according to item 1 of the scope of patent application, wherein the plurality of light emitting diode systems are used to generate red, green, yellow, blue or white light. 8. The electric lamp according to item 1 of the scope of patent application, further comprising a housing and an outer cover, the substrate is disposed in the housing, and a reflective surface is provided on the inner side of the housing to reflect the second Light from the reflecting mirror; the cover is arranged on the casing and used to penetrate the light from the second reflecting mirror and the optical lens group. 9. The electric lamp as described in item 8 of the scope of patent application, which is a traffic signal lamp. 10. The electric lamp according to item 1 of the scope of patent application, further comprising a housing for penetrating the light from the second reflector and the optical lens group. 11. The electric lamp as described in item 10 of the scope of patent application, which is a light bulb. 第12頁Page 12
TW90128372A 2001-11-15 2001-11-15 Electric light which uses light emitting diodes to generate light TW581847B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7530712B2 (en) 2006-03-17 2009-05-12 Industrial Technology Research Institute Reflective illumination device
US8003998B2 (en) 2004-06-30 2011-08-23 Osram Opto Semiconductors Gmbh Light-emitting diode arrangement

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8003998B2 (en) 2004-06-30 2011-08-23 Osram Opto Semiconductors Gmbh Light-emitting diode arrangement
US7530712B2 (en) 2006-03-17 2009-05-12 Industrial Technology Research Institute Reflective illumination device

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