TW201237303A - LED lamp - Google Patents

LED lamp Download PDF

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Publication number
TW201237303A
TW201237303A TW100107772A TW100107772A TW201237303A TW 201237303 A TW201237303 A TW 201237303A TW 100107772 A TW100107772 A TW 100107772A TW 100107772 A TW100107772 A TW 100107772A TW 201237303 A TW201237303 A TW 201237303A
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Taiwan
Prior art keywords
light
led
led lamp
substrate
concentrating
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TW100107772A
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Chinese (zh)
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TWI408307B (en
Inventor
Chong-Han Tsai
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Sunonwealth Electr Mach Ind Co
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Priority to TW100107772A priority Critical patent/TWI408307B/en
Priority to CN2011200764801U priority patent/CN202024143U/en
Priority to CN201110068939.8A priority patent/CN102679194B/en
Publication of TW201237303A publication Critical patent/TW201237303A/en
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Publication of TWI408307B publication Critical patent/TWI408307B/en

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Abstract

A LED lamp is disclosed. The LED lamp comprises a light-guiding member, a light-emitting member and a transparent layer. The light-guiding member has a receiving hole, a focusing portion, a total reflection face and an output face. The receiving hole is formed on one end of the light-guiding member. The focusing portion is formed on an inner end face of the receiving hole. The total reflection face is formed on an circumferential face of the light-guiding member. The output face is connected to the total reflection face. The light-emitting member has a substrate and a LED lighting source mounted on the substrate. The substrate is disposed in the receiving hole of the light-guiding member. The LED lighting source faces the focusing portion of the light-guiding member. The transparent layer has a phosphor layer coupled to the light-guiding member.

Description

201237303 六、發明說明: 【發明所屬之技術領域】 本發明係關於一種LED燈具’尤其是一種提高燈具使 用效率的LED燈具。 【先前技術】 由於發光二極體(Light Emitting Diode,LED)係一 種節能、環保及使用壽命長之冷光源,而使白光發光二極 體逐漸被採用為照明燈具之光源,其中,以紫外光或藍光 激發螢光粉之方式具有成本偏低、控制線路設計簡單且混 光容易等優點,逐漸成為市場主流。 Μ麥閲第1圖所示,其係第一種習知發光二極體封裝 釔構9,係包含一基板91、一發光體92、一螢光層93及 一封裝體94 ’該基板9丨係供設置該發光體%,該榮光層 93包覆該發光體92’該封裝體94封裝該螢光層93並呈^ ^ ^該習知發光二極體封裝結構9於使用時,係由該發 螢光声9Γ光,而激發該營光層%產生白光。惟,由於該 現^層^之厚度容易不均…而絲色產生不均勻之色圈 ,且象’減㈣⑽93彳_錢_發光體$ ^先體92及該螢光層%皆封裝於該封裳體 ’習知發光二極體峨結構 螢光層93 g受該#光體92 m 文果不佳,使該 發光顏色改變及發光亮度不足^問=度影響而變質,造成 請參閱第2a及2b圖所示,直 體封裝結構8的二種實施態樣,係發= 201237303 體82、一第一封裝體83、一螢光層84及一第二封裝體85 ’該基板81係供設置該發光體82 ’該第一封裝體83包覆 5亥發光體82,該榮光層84覆蓋於該第一封裝體83,該第 一封裝體85封裝該螢光層84並呈半球狀。該習知發光二 極體封裝結構8同樣由該發光體82激發螢光層84而發出 白光’雖然該第一封裝體83間隔於該螢光層84與該發光 ‘ 體82之間,惟,該螢光層84仍非常接近該發光體82,且 。 該發光體82、該第一封裝體83及該螢光層84皆封裝於該 : 第二封裝體85内,使習知發光二極體封裝結構8散熱效果 不佳’而造成該螢光層84易受該發光體82之發光温度影 響。 &quot;酿又吩 清參閱第3a及3b圖所示,其係第三種習知發光二極 體封裝結構7的二種實施態樣,係包含一基板刀、一反射 杯72、一發光體73、一第一封裝體74、—螢光層乃及一 第二封裝體76,該反射杯72設於該基板71之表面,該發 光體73設於該反射杯72中央之基板71表面,該第一封裝 _ 體74係於該反射杯72内包覆該發光體73,該螢光層75 ; 覆蓋於該第一封裝體74,該第二封裝體76封裝該螢光層 75並呈半球狀。習知發光二極體封裝結構7於使用時,係 由該發光體73激發該螢光層75而產生白光,該反射杯72 將部分白光反射而朝上述半球狀之第二封裝體%出光,以 増加出光效率。惟,由於該反射杯72非常接近該發光體 73,易產生眩光現象,且該發光體73、該第一封裝體74 及該螢光層75皆封裝於該第二封裝體76内,使該習知發 光二極體封裝結構7散熱效果不佳,而造成該螢'光層7X5 201237303 易受該發光體73之發光溫度影響。 基於上述原因,使得LED應用於產生白色光源之燈具 時’會產生發光亮度不足、光色不均句、易產生眩光、發 光顏色改變及散熱效果不佳等問題,因此,有必要提供一 種發光亮度高、光色均勻、無明顯眩光、發光顏色穩定及 散熱效果較佳之led燈具。 【發明内容】 一本發明的目的乃改良上述之缺點,以提供—種發光亮 度南之LED燈具。 本發明之次一目的,係提供一種光色均句之LED燈具 〇 本發明之另-目的’係提供—種無明顯眩光之LED燈 具。 本發明之又-目的’係提供一種發光顏色穩定之LED 燈具。 本發明之再一目的,係提供—種散熱效果較佳之LED 燈具。 為達到前述發明目的,本發明LED燈具,係包含:一 導光件、-發光體及-透光層,該導光件具有一容置孔、 聚光部、-全反射面及-導出面,該導光件之—端形成 該谷置孔,該容置孔之内端面形成該聚光部,該導光件之 周面形成該全反射面’該導出面連接該全反射面;該發光 體具有-基板及_ LED發光源,職板係供設置該㈣ 發光源,且該基板組設於上述導光件之容置孔,該LED發 201237303 光源朝向上述導光件之聚光部;該透光層且 該透光層結合於上述導光件。 ’、—營光層’ -種LED燈具’係包含:一導光件、—發 光層’、該導光件具有-聚麵及—反射杯,料^一^ 端形成-谷置孔,該容置孔之内端面形成— _之 光輸入部之背面形成-錢出部,該反射杯之=部’該 結合部,該反射杯之頂端形成一開口,其中,誃形成一 結合部結合姉光體;該發光體具有—基板及— 源,該基板係供設置該LEDS光源,且該基心設於丄述 導光件,使該LED發光源位於上述聚光體之容置孔内,且 該LED發光_向上述料體之錄人部;該透光層具有 一螢光層,該透光層覆蓋上述反射杯。 曰八 其中,該光輸入部及該光輸出部之至少一個形成數個 聚光微結構。 其中’該光輸入部形成平面或凸面。 其中’該光輸出部形成平面或凸面。 其中,該基板係組設於該聚光體之容置孔。 其中,該基板係組設於該反射杯之結合部。 其中’該基板係組設於該聚光體之容置孔及該反射杯 之結合部。 【實施方式】 為讓本發明之上述及其他目的、特徵及優點能更明顯 易懂’下文特舉本發明之較佳實施例,並配合所附圖式, 作詳細說明如下: 201237303 請參閱第4圖所示,其係本發明LED燈具之第—實施 例,該第一實施例係包含一導光件1、一發光體2及—透 光層3,該發光體2及該透光層3分別結合於該導光件】 之相對二端,藉此,該導光件1可引導該發光體2之光線 朝向該透光層3照射而出光。 ' s亥導光件1係具有透光性之材質,例如:聚曱基丙烯 酸曱酯、聚碳酸酯或矽膠等,該導光件丨係呈上寬下窄之 倒錐狀(依圖面而言),且該導光件1具有一容置孔u、 一聚光部12、一全反射面13及一導出面14。該導光件i 較窄之一端形成該容置孔11,該容置孔u之内周面與該 容置孔11之内端面共同形成一容置空間,用以容置該發光 體2°該容置孔11之内端面形成該聚光部12 (依圖面而言 )’用以聚集該發光體2之光線’其中,該聚光部12係可 以設置數個聚光微結構12a作為實施態樣(如第4圖所示 )’該聚光微結構12a較佳形成數個鑛齒狀結構;或者,該 聚光部η係形成-凸面12b作為實施態樣(如第5圖所示 ),該凸面12b較佳形成非球面,惟不以上述二實施態樣為 限。該導光件1之周面形成該全反射面13,該全反射面13 圍繞f容置孔11 ’使該發光體2之猶在該全反射面13 與工氣之&quot;面(lnterface)產生全反射。該導光件工較寬 之,端形成該導出面14,該導出面14連接該全反射面13 ,用以導㈣聚光部12聚集之光線及該全反射面 13反射 之光線。 該發光體2具有一基板Μ及- LED發光源22,該基 板21係供設置該咖發光源22,且該基板21係組設於 201237303 該導光件i之容置孔η,ι亥基板21較佳係由有利科led 發光源22散熱之材質及結構構成,例如:具有散熱孔之基 板或具有導熱功能之基板’用以排出該LED發光源之 發熱量該基板21亦可設置—驅動電路,用以電性 連接-外加電源(圖未緣示)’用以驅動該咖發光源^ 發光。戎LED發光源22可選擇設於該基板21之表面或嵌 入該基板21,使該LED發光源η位於該容肉广 且該LED發光源22朝向該導光件丨之聚光部12,該led 發光源22之數量亦可視需求設為數個,且該咖發光源 22係選自LED晶片或LED封裝件等,用以激發$光粉而 改變光色,例如:用於激發螢光粉而產生白光的藍光led 、紫外光LED或白光LED ’惟不以此為限。在此^施例中 ,該LED發光源22係以1個藍光LED晶片作為實施態樣 說明。 ' “ 該透光層3結合於該導光件1之導出面14,且該透光 層3具有一螢光層31,該螢光層31之材料係由受光源激 發而改變光色之螢光粉所製成’該螢光層31係可選擇設於 該透光層3之内部或表面,用以受該LED光源22激發而 改變出光顏色。在本實施例中,該螢光層31為黃色螢光粉 ,且該螢光層31設於朝向該導出面Η之透光層3表面, 避免該透光層3之製造溫度使該螢光層31變質;該透光層 3另設有一漫射面32,該漫射面32背向該導出面14,且 該&gt;兒射面32具有使光線產生漫射效應之結構或材料,用以 使光線均勻散出該透光層3,其係該領域具有通常知識者 所熟知,在此容不贅述。藉此,該導光件1導出之光線可 201237303 激發該螢光層31而產生白光,並由該漫射面32透射出光 色均勻之白色光線。 一般而言,該LED發光源22封裝時會進行一次光學 設計,以達增加出光效率之目的,再由LED燈具進行二次 光學設計,用以縮減聚光角度,且由於二次光學設計之優 劣係基於之一次光學設計之結果,因此,藉由本發明的上 述結構,可融合一次光學設計及二次光學設計,且降低該 LED發光源22之發光溫度所造成的影響。 綜上所述,請參閱第4及5圖所示,本發明之第一實 施例於使用時,由該LED發光源22所產生之部分光線可 藉由該導光件1之聚光部12聚集而導向該透光層3,同時 «•亥LED發光源22之其餘光線係由該導光件丨之全反射 面13產生全反射而導向該透光層3,以提高本發明㈣ 燈具之發光亮度。再者,該LED發統22之光線通過該 透光層3時,該螢光層31受激發而產生光色均勻的白光, 此白光通過該漫射面32,而進一步增進光色之均勾度,使 =明LED燈具產生光色均勻的白光,以降低眩光效應的 影響。 此外,該 毛光源22發光所產生的熱能,係藉由 二:道1之合置孔U内之空氣傳播,並由該發光體2之 ^太恭B出,避免熱量累積於該導光件1内部,除了可提 #/日LED⑥具之散熱功效,亦可使料光件1及該透 明材料不易讀$累積之影響而變質,因此,本發 =ED燈具除了發光亮度可_獻,且 效果。再者’由於該#光層S1與該LED發光源22之^係 —10 — 201237303 間隔多層散熱媒介(即兮 ),使該替#展μ 土★ 内之空氣及該導光件1 入之該LED發光源22,此多層散熱媒 優於僅以單—材質封裝該螢光層31及該 Γ 22 ’使該鸯光層31不易受該LED發光源22 ==而變質’因此,本發明led燈具除了發光顏色 了保持%疋’且可提供較佳散熱效果。 °月’第6圖所7^其揭示本發明LED燈具之第二實 :::其包含一導光件4、-發光體5及-透光層6,該發 ,體5及該透光層6分別結合於該導光件*之相對二端。 =該導光件4可彡丨導該發光體5之光線朝向該透光 6照射而出光。 土棘該導光件4係具有—聚光體41及—反射杯42,該聚 先體41係具有透光性之材質,例如:聚甲基㈣酸甲|旨、 聚碳酸醋或鄉等,該聚紐41係形成—中空罩體,該聚 光體4i之-端形成一容置孔411,該容置孔4ιι之内周面 與該容置孔411之内端面共同形成一容置空間,用以容置 該發光體5,該容置孔411之内端面形成-光輸入部似 ’該光輸入部412之背面形成一光輸出部413,該光輸入 部412用以聚集該發光體5之光線,且將光線導向該光輸 出部413 ’而聚集射出該聚光體41。其中,該光輸入部412 及該光輸出部413係可分別形成平面、凸面或數個聚光微 結構’較佳係由該光輸入部川及該光輪出部仍之至少 -個形成數㈣絲結構,惟不⑽—,該凸面較佳形 成非球面,料級賴難__㈣構。在此實施 例中’係以該光輸入部412形成凸面,該光輸出部仍形 201237303 成數個聚光微結構作為一貫施態樣(如第6圖所示).戈者 ,以該光輸入部412形成數個聚光微結構,該光輸出部 形成平面作為另一實施態樣(如第7圖所示該光輸入部 412及該光輸出部413之實施態樣的其他排列組合係兮領 域具有通常知識者可以理解。該反射杯42之底端形成二垆 合部421,且該反射杯42之頂端形成一開口 422,該、纟士人 部421結合於該聚光體41之外周面或該容置孔41丨,使哼 聚光體41之光輸出部413朝向該開口 422,該結合部421 較佳形成一組裝孔或一網體,使該發光體5發光所產生的 熱量可以由該結合部421排出;而該開口 422係使該發光 體5之光線可由該反射杯42之内部投射出。其中,該反射 杯42之内壁面可反射該發光體5之光線,而使光線朝向該 開口 422。在此貫施例中,該結合部421形成組裝孔作為 實施態樣,該反射杯42之内壁面塗覆反光材料。 該發光體5具有一基板51及一 LED發光源52,該基 板51及該LED發光源52與該第一實施例之基板21及led 發光源22大致相同,在此容不贅述。其中,該基板51係 供設置該LED發光源52,且該基板51係組設於該導光件 4’該基板51係可選擇組設於該聚光體41之容置孔411或 /及該反射杯42之結合部421,使該LED發光源52位於該 容置孔411内,且該LED發光源52朝向該聚光體41之光 輸入部412,在此實施例中,該基板51組設於該聚光體41 之容置孔411及該反射杯42之結合部421,防止該基板51 沿水平方向或垂直方向鬆動。而該透光層6設有一營光層 61及一漫射面62,該螢光層61及該漫射面62與該第一實 一 12 — 201237303 施例之螢光層31及漫射面32大致相同,在此容不贅述。 其中’該透光層6覆蓋該反射杯42之開口 422,該透光層 6之漫射面62背向該反射杯42之開口 422。 承上所述,請參閱第6圖所示,本發明LED燈具於使 用時,由該LED發光源52所產生之部分光線可藉由該聚 光體41之光輸入部412及/或光輸出部413折射,而使光 線聚集朝向該透光層6投射。同時,該led發光源52之 其餘光線透過該聚光體41,並由該反射杯42之内壁面反 射而朝向該透光層6,以提高本發明LED燈具之發光亮度 。再者,該LED發光源52之光線通過該透光層6時,可 藉由該螢光層61及該漫射面62之作用,而使本發明LED 燈具產生光色均勻的白光,以降低眩光效應的影響。 此外,該LED發光源52發光所產生的熱能,係藉由 s玄聚光體41之容置孔411内之空氣傳播,而由該發光體5 之基板51導出,避免熱量累積於該聚光體41内部,除了 可k升本發明LED燈具之散熱功效,亦可使該聚光體 、該反射杯42及該透光層6之材料不易受熱量累精之事變 =變質,因此,本發明LED燈具之發光亮度同樣可保持穩 定,且亦可提供較佳散熱效果。再者,由於該螢光層61 與該LED發光源%之間係間隔錢隔熱齡(即該容置 孔411内的空氣、該聚光體41及該聚光體41與該透光層 6之間的空氣)’使該螢光層61遠離該1^£)發光源,此 夕層散熱媒介之散熱效果同樣優於僅以單一材質封裝該螢 光層61及該LED發光源52,使該縣層61不易受該LED 發光源52之發光溫度而變質,因此,本發明[£1)燈具之 ——】3 — 201237303 發光顏色同樣可保持穩定,且同樣可提供較佳散熱效果。 本發明LED燈具’係由該導光件1之聚光部12聚集 δ亥發光體2之光線而朝向該透光層3,並由該導光件丄之 全反射面13全反射光線至該透光層3,而增加該透光層3 之出光!,或者,由該導光件4之聚光體41聚集該發光體 5之光線朝向該透光層6,並由該導光件4之反射杯42反 射光線至該透光層6 ’而增加該透光層6之出光量。因此 ’本發明LED燈具可達到發光亮度高之功效。 本發明LED燈具,係由該發光體2之光線通過該榮光 層31而產生光色均勻之白光;或者,由該發光體 5之光線 通過該營光層61而產生光色均勻之白光。因此,本發明 LED燈具可達到光色均勻之功效。 本發明LED燈具,係由該發光體2之光線通過該榮光 層31而產生光色均勻之自光;或者,由該發光體 5之光線 通過該螢光層61而產生光色均句之白光。因此,本發明 LED燈具可達到無明顯枝之功效。 本發明LED燈具,係由多層不同媒介隔離於該營光層 31與該發光體2之間,由於該螢光層31 it離該LED發光 源22 ’使該螢光層31不易受溫度影響而變質;或者,由 多層不同媒介隔離於該螢光層61與該發光體5之間,由於 該榮光層61遠離該咖發光源52,使該營光層61不易 受溫度影響而變f。因此,本發明LED燈具可達到發光顏 色穩定之功效。 本發明LED燈具,係由該導光件1之容置孔11内之 空氣及該基板21冑出該LED發光源22之熱量,避免熱量 一 14 — 201237303 累積於該導光件丨内部,且藉由多層不_相隔於該鸯 光層31與該LED發光源22之間,此多層散熱媒介之散熱 效果優於僅以單一材質封裝該螢光層31及該LED發光源 22;或者,由該聚光體41之容置孔411内之空氣及該基板 51 ‘出忒LED發光源52之熱量,避免熱量累積於該聚光 體41内部,且藉由多層不同媒介間隔於該螢光層61與該 LED發光源52之間,此多層散熱媒介之散熱效果亦優於 僅以單—材質縣該®光層61及該LED發光源52。因此 ’本發明LED燈具可達成散熱效果較佳之功效。 f然本發明已利用上述較佳實施例揭示,然其並非用 以,定本發明,任何熟習此技藝者在顿離本發明之精神 和fe圍之Θ ’相對上述實施例進行各種更動與修改仍屬本 發明所保護之技術麟,@此本發明之保護棚當視後附 之申請專利範圍所界定者為準。 【圖式簡單說明】 第1圖:第—種習知發光二極體縣結構之組合側視圖 〇 第2a圖·第一種習知發光二極體封裳結構之實施態樣 (一) 的組合側視圖。 第2b圖:第二種習知發光二極體封裝結構之實施態樣 (二) 的組合側視圖。 第3a圖:第三種習知發光二極體封裝結構之實施態樣 (一)的組合側視圖。 —15—— 201237303 第3b圖:第三種習知發光二極體封裝結構之實施態樣 (二)的組合側視圖。 第4圖:本發明LED燈具之第一實施例的實施態樣( 一) 之組合側視圖。 第5圖:本發明LED燈具之第一實施例的實施態樣( 二) 之組合侧視圖。 第6圖:本發明LED燈具之第二實施例的實施態樣( 一) 之組合侧視圖。 第7圖:本發明LED燈具之第二實施例的實施態樣( 二) 之組合側視圖。 【主要元件符號說明1 〔本發明〕 1 導光件 11 容置孔 12 聚光部 12a 聚光微結構 12b 凸面 13 全反射面 14 導出面 2 發光體 21 基板 22 LED發光源 3 透光層 31 螢光層 32 漫射面 4 導光件 41 聚光體 411 容置孔 412 光輸入部 413 光輸出部 16 201237303 42 反射杯 421 結合部 422 開口 5 發光體 51 基板 52 LED發光源 6 透光層 61 螢光層 62 漫射面 〔習知〕 9 習知發光二極體封裝結構 91 基板 92 發光體 93 螢光層 94 封裝體 8 習知發光二極體封裝結構 81 基板 82 發光體 83 第一封裝體 84 螢光層 85 第二封裝體 7 習知發光二極體封裝結構 71 基板 72 反射杯 73 發光體 74 第一封裝體 75 螢光層 76 第二封裝體 17 —201237303 VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to an LED lamp', particularly an LED lamp which improves the efficiency of use of the lamp. [Prior Art] Since the Light Emitting Diode (LED) is a kind of cold light source with energy saving, environmental protection and long service life, the white light emitting diode is gradually adopted as a light source of the lighting fixture, in which ultraviolet light is used. Or the method of exciting the fluorescent powder by blue light has the advantages of low cost, simple control circuit design and easy mixing, and gradually becomes the mainstream of the market. As shown in FIG. 1 , the first conventional light-emitting diode package structure 9 includes a substrate 91 , an illuminator 92 , a phosphor layer 93 , and a package body 94 . The illuminant layer is provided with the illuminant %, and the glare layer 93 encloses the illuminant 92'. The package body 94 encapsulates the phosphor layer 93 and is formed by the conventional light-emitting diode package structure 9. The fluorescent light 9 is illuminated, and the camp light layer is excited to generate white light. However, since the thickness of the current layer is easy to be uneven, the silk color produces an uneven color circle, and the image such as 'minus (4) (10) 93 彳 _ _ illuminator $ ^ precursor 92 and the phosphor layer are encapsulated in the The body of the stagnation body's light-emitting diode 峨 structure fluorescent layer 93 g is affected by the #光光92 m poor quality, so that the color of the luminescent color changes and the brightness of the illuminating light is insufficient, causing deterioration. As shown in FIG. 2a and FIG. 2b, the two embodiments of the straight package structure 8 are: 201237303 body 82, a first package 83, a phosphor layer 84, and a second package 85'. The illuminant 82 is disposed to cover the illuminant 82. The luminescent layer 84 covers the first package 83. The first package 85 encapsulates the phosphor layer 84 and is hemispherical. . The conventional LED package structure 8 also emits white light by the illuminant 82 to excite the phosphor layer 84. Although the first package 83 is spaced between the phosphor layer 84 and the illuminating body 82, The phosphor layer 84 is still very close to the illuminator 82, and. The illuminant 82, the first package body 83 and the luminescent layer 84 are all encapsulated in the second package body 85, so that the conventional luminescent diode package structure 8 has poor heat dissipation effect. 84 is susceptible to the illumination temperature of the illuminator 82. &quot; Brewing and clarification, as shown in Figures 3a and 3b, which are two embodiments of the third conventional LED package structure 7, comprising a substrate cutter, a reflector cup 72, and an illuminant. A first package 74, a phosphor layer, and a second package 76 are disposed on the surface of the substrate 71. The illuminator 73 is disposed on the surface of the substrate 71 at the center of the reflector cup 72. The first package body 74 is wrapped in the reflector cup 72 to cover the illuminant 73. The luminescent layer 75 covers the first package body 74. The second package body 76 encapsulates the luminescent layer 75 and presents Hemispherical. When the light-emitting diode package structure 7 is used, the phosphor layer 75 is excited by the illuminator 73 to generate white light, and the reflector cup 72 reflects part of the white light and emits light toward the hemispherical second package body. Add light efficiency with 増. However, since the reflector cup 72 is in close proximity to the illuminator 73, glare is apt to occur, and the illuminator 73, the first package 74, and the phosphor layer 75 are encapsulated in the second package 76. The conventional light-emitting diode package structure 7 has a poor heat dissipation effect, and the firefly 'light layer 7X5 201237303 is susceptible to the light-emitting temperature of the light-emitting body 73. For the above reasons, when the LED is applied to a lamp that produces a white light source, 'there will be problems such as insufficient brightness, uneven color, glare, illuminating color change, and poor heat dissipation. Therefore, it is necessary to provide a brightness. LED lamps with high light, uniform light color, no obvious glare, stable color and good heat dissipation. SUMMARY OF THE INVENTION An object of the present invention is to improve the above-mentioned disadvantages to provide an LED luminaire having a luminous intensity of south. A second object of the present invention is to provide an LED lamp of the same color and color. 另 Another object of the present invention is to provide an LED lamp without significant glare. A further object of the present invention is to provide an LED luminaire with stable illuminating color. Still another object of the present invention is to provide an LED luminaire having a better heat dissipation effect. In order to achieve the foregoing object, the LED lamp of the present invention comprises: a light guiding member, an illuminating body and a light transmissive layer, wherein the light guiding member has a receiving hole, a concentrating portion, a total reflection surface and a deriving surface. The inner end of the light guiding member forms the valley hole, the inner end surface of the receiving hole forms the light collecting portion, and the peripheral surface of the light guiding member forms the total reflection surface 'the lead surface connects the total reflection surface; The illuminator has a substrate and a illuminating source, and the slab is provided with the (four) light source, and the substrate is disposed in the accommodating hole of the light guiding member, and the LED emits a light source of the light source toward the illuminating portion of the light guiding member. The light transmissive layer and the light transmissive layer are bonded to the light guide. ', - 营光层' - a type of LED lamp 'includes: a light guide member, a light-emitting layer', the light guide member has a - gather surface and a reflective cup, and the material is formed at one end - a valley hole, The inner end surface of the accommodating hole is formed. The back surface of the light input portion forms a money outlet portion, and the reflective cup has a portion, and the top end of the reflecting cup forms an opening, wherein the 誃 forms a joint portion. The light body has a substrate and a source, the substrate is provided with the LEDS light source, and the base is disposed on the light guide, so that the LED light source is located in the receiving hole of the light collector. And the LED emits light to the recording part of the material body; the light transmissive layer has a fluorescent layer, and the light transmissive layer covers the reflective cup. Further, at least one of the light input portion and the light output portion forms a plurality of condensing microstructures. Wherein the light input portion forms a plane or a convex surface. Wherein the light output portion forms a plane or a convex surface. The substrate is assembled in a receiving hole of the concentrating body. Wherein, the substrate is assembled at a joint portion of the reflective cup. Wherein the substrate is disposed in a joint portion of the accommodating hole of the concentrating body and the reflecting cup. The above and other objects, features, and advantages of the present invention will become more <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; 4 is a first embodiment of the LED lamp of the present invention. The first embodiment includes a light guide member 1, an illuminator 2, and a light transmissive layer 3. The illuminator 2 and the light transmissive layer are shown. 3 is respectively coupled to the opposite ends of the light guide member, whereby the light guide member 1 can guide the light of the illuminant 2 to illuminate the light-transmitting layer 3 to emit light. ' s hai light guide 1 is a material with light transmissivity, such as: polydecyl methacrylate, polycarbonate or silicone, etc., the light guide 丨 is an inverted cone with an upper width and a lower width (according to the figure) In addition, the light guide 1 has a receiving hole u, a concentrating portion 12, a total reflecting surface 13 and a lead-out surface 14. The inner peripheral surface of the accommodating hole u and the inner end surface of the accommodating hole 11 form an accommodating space for accommodating the illuminator 2°. The inner end surface of the accommodating hole 11 forms the concentrating portion 12 (in terms of the drawing) 'light for collecting the illuminator 2'. The concentrating portion 12 can be provided with a plurality of concentrating microstructures 12a. The embodiment (as shown in FIG. 4) 'the concentrating microstructure 12a preferably forms a plurality of ore-like structures; or the concentrating portion η forms a convex surface 12b as an embodiment (as shown in FIG. 5) The convex surface 12b is preferably formed into an aspherical surface, but is not limited to the above two embodiments. The peripheral surface of the light guiding member 1 forms the total reflection surface 13, and the total reflection surface 13 surrounds the receiving hole 11', so that the illuminant 2 is still at the total reflection surface 13 and the "face" of the process Produces total reflection. The light guide member has a wider width, and the end surface forms the lead-out surface 14. The lead-out surface 14 is connected to the total reflection surface 13 for guiding the light collected by the concentrating portion 12 and the light reflected by the total reflection surface 13. The illuminator 2 has a substrate Μ and an LED illuminating source 22, the substrate 21 is provided with the illuminating source 22, and the substrate 21 is assembled at 201237303. The illuminating hole η of the light guiding member i The substrate 21 is preferably composed of a material and a structure for dissipating heat from the LED light source 22, for example, a substrate having a heat dissipation hole or a substrate having a heat conduction function for discharging heat generated by the LED light source. The substrate 21 may also be provided to be driven. The circuit is used for electrically connecting an external power source (not shown) to drive the light source to emit light. The LED light source 22 can be disposed on the surface of the substrate 21 or embedded in the substrate 21 such that the LED light source η is located in the concentrating portion 12 of the light guide 22 and the LED light source 22 is opposite to the light guide member. The number of the LED light sources 22 can also be set to several, and the coffee light source 22 is selected from an LED chip or an LED package to excite the light powder to change the color of the light, for example, for exciting the phosphor powder. White light-emitting blue light LEDs, ultraviolet light LEDs or white light LEDs are not limited to this. In this embodiment, the LED illumination source 22 is described with one blue LED chip as an implementation. The light transmissive layer 3 is coupled to the lead-out surface 14 of the light guide member 1, and the light transmissive layer 3 has a phosphor layer 31. The material of the phosphor layer 31 is changed by the light source to change the color of the light. The phosphor layer 31 can be selectively disposed inside or on the surface of the light transmissive layer 3 for being excited by the LED light source 22 to change the color of the light. In this embodiment, the phosphor layer 31 is modified. It is a yellow phosphor powder, and the phosphor layer 31 is disposed on the surface of the light transmissive layer 3 facing the lead-out surface, and the manufacturing temperature of the light transmissive layer 3 is prevented from deteriorating the phosphor layer 31; the light transmissive layer 3 is separately provided. There is a diffusing surface 32 facing away from the lead-out surface 14, and the surface 32 has a structure or material for diffusing light to uniformly scatter the light. It is well known to those skilled in the art and will not be described here. Therefore, the light guided by the light guiding member 1 can excite the fluorescent layer 31 to generate white light, and the light is transmitted from the diffusing surface 32. Uniform white light. Generally speaking, the LED light source 22 is packaged with an optical design to increase light extraction efficiency. Objective, the secondary optical design is further performed by the LED luminaire to reduce the condensing angle, and since the advantages and disadvantages of the secondary optical design are based on the result of the primary optical design, the optical structure can be integrated by the above structure of the present invention. And the secondary optical design, and reducing the influence of the illumination temperature of the LED illumination source 22. As described above, referring to Figures 4 and 5, the first embodiment of the present invention is used by the LED. A part of the light generated by the light source 22 can be guided by the light collecting portion 12 of the light guiding member 1 to be guided to the light transmitting layer 3, and the rest of the light of the LED light source 22 is covered by the light guiding member. The reflective surface 13 is totally reflected and directed to the light transmissive layer 3 to improve the brightness of the illumination of the (4) lamp of the present invention. Further, when the light of the LED system 22 passes through the light transmissive layer 3, the phosphor layer 31 is excited. The white light with uniform light color is generated, and the white light passes through the diffusing surface 32, thereby further improving the uniformity of the light color, so that the white light of the LED lamp produces a uniform white light to reduce the influence of the glare effect. 22 heat generated by illuminating The air is propagated by the air in the hole U of the second channel 1 and is emitted by the illuminator 2 to prevent heat from accumulating inside the light guide member 1 except for the #/日 LED6 The heat dissipation effect can also deteriorate the light-receiving member 1 and the transparent material, which is difficult to read and accumulate. Therefore, the hair-emitting ED lamp can be used in addition to the brightness of the light, and the effect is good. And the LED light source 22 is connected to the plurality of heat-dissipating mediums (ie, 兮), so that the air inside the light-emitting material and the light-guiding member 1 enter the LED light source 22, and the multi-layer heat dissipation The medium is better than merely encapsulating the phosphor layer 31 and the crucible 22' in a single-material to make the calender layer 31 less susceptible to deterioration by the LED illumination source 22 ==. Therefore, the LED lamp of the present invention maintains % in addition to the color of illumination. 'And can provide better heat dissipation. The second embodiment of the LED lamp of the present invention is as follows:: it comprises a light guide 4, an illuminant 5 and a light transmissive layer 6, the hair, the body 5 and the light transmission The layers 6 are respectively coupled to opposite ends of the light guiding member*. The light guide 4 can guide the light of the illuminator 5 to illuminate the light 6 to emit light. The light guide 4 has a light concentrating body 41 and a reflecting cup 42, and the poly precursor 41 is made of a light transmissive material, for example, polymethyl (tetra) acid methyl, carbonic acid or township. The concentrating body 41 forms a hollow cover, and the end of the concentrating body 4i forms a receiving hole 411, and the inner peripheral surface of the accommodating hole 4 ι and the inner end surface of the accommodating hole 411 form an accommodation. a space for accommodating the illuminator 5, the inner end surface of the accommodating hole 411 is formed with a light input portion like a light output portion 413 formed on the back surface of the light input portion 412, and the light input portion 412 is used for collecting the illuminating portion The light of the body 5 is directed to the light output portion 413' to gather and emit the light concentrating body 41. The light input portion 412 and the light output portion 413 can respectively form a plane, a convex surface or a plurality of concentrating microstructures. Preferably, at least one of the light input portion and the light wheel portion are still formed (four) The wire structure, but not (10)-, the convex surface preferably forms an aspherical surface, and the material level is difficult to __(four) structure. In this embodiment, the light input portion 412 is formed into a convex surface, and the light output portion is still shaped as 201237303 into a plurality of light collecting microstructures as shown in FIG. 6 (as shown in FIG. 6). The portion 412 forms a plurality of concentrating microstructures, and the light output portion forms a plane as another embodiment (as shown in FIG. 7 , the light input portion 412 and other arrangement combinations of the light output portion 413 are implemented. The field is known to those skilled in the art. The bottom end of the reflector cup 42 forms a second splicing portion 421, and the top end of the reflector cup 42 forms an opening 422. The gentleman portion 421 is coupled to the outer periphery of the concentrating body 41. The surface or the accommodating hole 41 丨 faces the light output portion 413 of the bismuth concentrating body 41 toward the opening 422. The joint portion 421 preferably forms an assembly hole or a mesh body to heat the illuminant 5 The light is emitted from the inside of the reflector cup 42. The inner wall surface of the reflector cup 42 reflects the light of the illuminator 5, and The light is directed toward the opening 422. In this embodiment, the knot The inner portion of the reflector cup 42 is coated with a reflective material. The illuminator 5 has a substrate 51 and an LED illumination source 52, the substrate 51 and the LED illumination source 52 and the first The substrate 21 and the LED light source 22 of the embodiment are substantially the same, and are not described here. The substrate 51 is provided with the LED light source 52, and the substrate 51 is disposed on the light guide 4'. The LED illuminating source 52 is disposed in the accommodating hole 411, and the LED illuminating source 52 is disposed in the accommodating hole 411 of the concentrating body 41 or the connecting portion 421 of the reflecting cup 42. The light input portion 412 of the concentrating body 41 is disposed in the accommodating hole 411 of the concentrating body 41 and the joint portion 421 of the reflecting cup 42 to prevent the substrate 51 from being horizontally or The light transmissive layer 6 is provided with a camping layer 61 and a diffusing surface 62, the phosphor layer 61 and the diffusing surface 62 and the phosphor layer 31 of the first embodiment 12-124373 The diffusing surface 32 is substantially the same, and is not described here. The light transmissive layer 6 covers the opening 422 of the reflective cup 42 and the transparent layer 6 The diffusing surface 62 faces away from the opening 422 of the reflecting cup 42. As shown in Fig. 6, when the LED lamp of the present invention is used, part of the light generated by the LED light source 52 can be used by the light source 52. The light input portion 412 and/or the light output portion 413 of the concentrating body 41 are refracted, and the light is concentrated toward the light transmitting layer 6. At the same time, the remaining light of the LED light source 52 passes through the concentrating body 41, and The inner wall surface of the reflector cup 42 is reflected toward the light transmissive layer 6 to improve the luminance of the LED lamp of the present invention. Moreover, when the light of the LED light source 52 passes through the light transmissive layer 6, the LED lamp of the present invention can generate white light with uniform light color by the action of the phosphor layer 61 and the diffusing surface 62, thereby reducing The effect of the glare effect. In addition, the thermal energy generated by the LED illumination source 52 is transmitted by the air in the accommodating hole 411 of the smectic concentrator 41, and is derived from the substrate 51 of the illuminant 5 to prevent heat from accumulating in the concentrating light. In the interior of the body 41, in addition to the heat dissipation effect of the LED lamp of the present invention, the material of the concentrating body, the reflective cup 42 and the light transmissive layer 6 is not easily deteriorated by heat; therefore, the LED of the present invention The brightness of the luminaire can also be kept stable, and it can also provide better heat dissipation. Furthermore, since the phosphor layer 61 and the LED light source source are separated by an insulation age (ie, the air in the receiving hole 411, the concentrating body 41, the concentrating body 41, and the light transmitting layer) The air between the 6) is configured to make the fluorescent layer 61 away from the illumination source, and the heat dissipation effect of the thermal medium is also superior to that of the fluorescent layer 61 and the LED illumination source 52. The county layer 61 is not susceptible to deterioration by the illuminating temperature of the LED light source 52. Therefore, the illuminating color of the luminaire of the present invention [3] can also be kept stable, and also provides a better heat dissipation effect. The LED lamp of the present invention is configured such that the light concentrating portion 12 of the light guiding member 1 collects the light of the illuminating body 2 toward the light transmitting layer 3, and the total reflection surface 13 of the light guiding member 全 totally reflects the light to the Light transmissive layer 3, and increase the light output of the light transmissive layer 3! Or, the light collected by the concentrating body 41 of the light guiding member 4 is directed toward the light transmitting layer 6, and the light reflecting the light from the reflecting cup 42 of the light guiding member 4 is increased to the light transmitting layer 6'. The amount of light emitted by the light transmissive layer 6. Therefore, the LED lamp of the present invention can achieve the effect of high luminance. In the LED lamp of the present invention, the light of the illuminant 2 passes through the glory layer 31 to generate white light of uniform light color; or the light of the illuminant 5 passes through the camping layer 61 to generate white light of uniform light color. Therefore, the LED lamp of the present invention can achieve the effect of uniform light color. In the LED lamp of the present invention, the light of the illuminant 2 passes through the glory layer 31 to generate a uniform color of light; or the light of the illuminator 5 passes through the phosphor layer 61 to generate a white light of a uniform color. . Therefore, the LED lamp of the present invention can achieve the effect of no obvious branching. The LED lamp of the present invention is separated between the camping layer 31 and the illuminant 2 by a plurality of different media. Since the illuminating layer 31 is separated from the LED illuminating source 22', the luminescent layer 31 is not easily affected by temperature. Alternatively, or separated by a plurality of different media between the phosphor layer 61 and the illuminator 5, since the glare layer 61 is away from the illuminating source 52, the luminescent layer 61 is less susceptible to temperature and becomes f. Therefore, the LED lamp of the present invention can achieve the effect of illuminating color stability. The LED lamp of the present invention is configured such that the air in the accommodating hole 11 of the light guiding member 1 and the heat of the LED illuminating source 22 are removed from the substrate 21, so that heat is prevented from accumulating inside the light guiding member ,, and The heat dissipation effect of the multi-layer heat dissipating medium is better than that of the phosphor layer 31 and the LED light source 22 by a single material, by the plurality of layers being separated from the light-emitting layer 31 and the LED light-emitting source 22; or The air in the accommodating hole 411 of the concentrating body 41 and the heat of the LED illuminating source 52 of the substrate 51' are prevented from accumulating heat inside the concentrating body 41, and the luminescent layer is separated by a plurality of different media. Between the LED light source 52 and the LED light source 52, the heat dissipation effect of the multilayer heat dissipation medium is also superior to that of the single light source layer 61 and the LED light source source 52. Therefore, the LED lamp of the present invention can achieve the effect of better heat dissipation. The present invention has been disclosed by the above-described preferred embodiments, but it is not intended to be used in the present invention. Any person skilled in the art will be able to make various changes and modifications with respect to the above embodiments. It is a technical lining protected by the present invention, and the protection shed of the present invention is subject to the definition of the patent application scope attached thereto. [Simple description of the diagram] Fig. 1: The first side view of the combination of the conventional light-emitting diode structure. Figure 2a. The first implementation of the conventional light-emitting diode-sleeve structure (1) Combination side view. Figure 2b: A side view of a combination of the second embodiment of the conventional light-emitting diode package (2). Fig. 3a is a combined side view of a third embodiment of the conventional light emitting diode package structure (1). —15 — 201237303 Figure 3b: Combined side view of the third embodiment of the conventional LED package structure (II). Fig. 4 is a side view showing the combination of the first embodiment of the LED lamp of the present invention (1). Fig. 5 is a side view showing the combination of the embodiment (2) of the first embodiment of the LED lamp of the present invention. Fig. 6 is a side view showing the combination of the embodiment (1) of the second embodiment of the LED lamp of the present invention. Figure 7 is a side view showing the combination of the second embodiment of the LED lamp of the present invention (II). [Main component symbol description 1 [Invention] 1 Light guide 11 accommodating hole 12 concentrating portion 12a condensing microstructure 12b convex surface 13 total reflection surface 14 lead-out surface 2 illuminant 21 substrate 22 LED light source 3 light-transmitting layer 31 Phosphor layer 32 diffusing surface 4 light guide 41 concentrating body 411 accommodating hole 412 light input portion 413 light output portion 16 201237303 42 reflecting cup 421 joint portion 422 opening 5 illuminant 51 substrate 52 LED light source 6 light transmitting layer 61 fluorescent layer 62 diffusing surface [conventional] 9 conventional light-emitting diode package structure 91 substrate 92 illuminant 93 fluorescent layer 94 package 8 conventional light-emitting diode package structure 81 substrate 82 illuminant 83 first Package 84 Fluorescent layer 85 Second package 7 Conventional LED package structure 71 Substrate 72 Reflector cup 73 Luminescent body 74 First package 75 Fluorescent layer 76 Second package 17 -

Claims (1)

201237303 七、申請專利範圍: 1、 〆種LED燈具,係包含: -導光件’係具有-容置孔、—聚光部、—全反射面及 〆導出面’該導光件之—端形成該容置孔,該容置孔之 内端面形成該聚光部,該導光件之周面形成該全反射面 ’該導出面連接該全反射面; 〆發光體’係具有一基板及一 LED發光源,該基板係 供設置该LED發錢’且該基板組設於上述導光件之 各置孔’該LED發光源朝向上述導光件之聚光部;及 /透光層’係具有—螢光層,該透光層結合於上述導光 件。 2、 依申請專利範圍第1項所述之LED燈具,其中該聚光 部設數個聚光微結構。 3、 依申請翻範圍第1項所述之LED燈具,其中該聚光 部形成一凸面。 4、 依申請專利範圍第丨項所述之LED燈具,其中該透光 層結合於該導光件之導出面,且該透光層另設—漫射面 背向該導出面。 5、 依申請專利範圍第丨項所述之LED燈具,其中該導光 件具有聚曱基丙稀酸曱酯、聚碳酸酯或石夕膠。 6、 一種LED燈具,係包含: 一導光件,係具有一聚光體及一反射杯,該聚光體之〜 端形成一容置孔,該容置孔之内端面形成一光輪入部, 該光輸入部之背面形成一光輸出部,該反射杯之底埤弗 201237303 成一結合部,該反射杯之頂端形成—開口, 射杯之結合部結合魏光體; ,、敲 二具有—基板及一 LED發光源,該基板係 又置〜LED發光源,且該基板組設於上述導光件, 使該LED發麵位於上述聚光體之容置孔内,且該 LED發光源朝向上述聚光體之光輸入部丨及 一透光層’係具有一螢光層,該透光層覆蓋上述反射杯 〇 7、 依申請專利範圍第6項所述之lED燈具,其中該光輸 入。卩及該光輸出部之至少一個形成數個聚光微結構。 8、 依申請專利範圍第6項所述之lED燈具,其中該光輸 入部形成平面或凸面。 9、 依申請專利範圍第6項所述之LED燈具,其中該光輸 出部形成平面或凸面。 1〇、依申請專利範圍第6項所述之LED燈具,其中該基板 係組設於該聚光體之容置孔。 11、 依申請專利範圍第6項所述之LED燈具,其中該基板 係組設於該反射杯之結合部。 12、 依申請專利範圍第6項所述之led燈具,其中該基板 係組設於該聚光體之容置孔及該反射杯之結合部。 13、 依申請專利範圍第6項所述之LED燈具,其中該反射 杯之内壁面塗覆反光材料。 14、 依申請專利範圍第6項所述之LED燈具,其中該透光 層覆蓋該反射杯之開口’且該透光層另設一漫射面背向 該開口。 —19 — 201237303 15、 依申請專利範圍第6項所述之LED燈具,其中該聚光 體具有聚曱基丙烯酸曱酯、聚碳酸酯或矽膠。 16、 依申請專利範圍第1或6項所述之LED燈具,其中該 LED發光源為LED晶片或LED封裝件。 17、 依申請專利範圍第1或6項所述之LED燈具,其中該 螢光層係由受光源激發而改變光色之螢光粉所製成。 —20 —201237303 VII. Patent application scope: 1. A variety of LED lamps, including: - Light guides have a - accommodating hole, - concentrating part, - total reflection surface and 〆 exit surface - the end of the light guide Forming the accommodating hole, the inner end surface of the accommodating hole forms the concentrating portion, the peripheral surface of the light guiding member forms the total reflection surface 'the lead-out surface is connected to the total reflection surface; the illuminant body' has a substrate and An LED light source, the substrate is configured to set the LED to send money 'and the substrate is disposed in each of the holes of the light guide member', the LED light source is directed toward the light collecting portion of the light guide member; and / the light transmissive layer There is a phosphor layer, which is bonded to the light guide. 2. The LED lamp of claim 1, wherein the concentrating portion is provided with a plurality of concentrating microstructures. 3. The LED lamp of claim 1, wherein the concentrating portion forms a convex surface. 4. The LED lamp of claim 3, wherein the light transmissive layer is coupled to the lead-out surface of the light guide member, and the light transmissive layer is further disposed with the diffusing surface facing away from the lead-out surface. 5. The LED lamp of claim 3, wherein the light guide member has polydecyl methacrylate, polycarbonate or shijiao. 6. An LED lamp comprising: a light guiding member having a concentrating body and a reflecting cup, wherein the end of the concentrating body forms a receiving hole, and an inner end surface of the accommodating hole forms a light wheeling portion, a light output portion is formed on the back surface of the light input portion, and the bottom of the reflective cup is formed as a joint portion, the top end of the reflective cup is formed as an opening, the joint portion of the shot cup is combined with the Wei light body, and the knocking two has a substrate and a An LED illumination source, the substrate is further disposed with an LED illumination source, and the substrate is disposed on the light guide member, wherein the LED emitting surface is located in the receiving hole of the concentrating body, and the LED illuminating source faces the concentrating light The light input portion and the light transmissive layer of the body have a phosphor layer covering the reflective cup 7 and the lED lamp according to claim 6 of the patent application, wherein the light is input. At least one of the light output portion and the light output portion form a plurality of light collecting microstructures. 8. The lED luminaire of claim 6, wherein the light input portion forms a plane or a convex surface. 9. The LED lamp of claim 6, wherein the light output portion forms a plane or a convex surface. The LED lamp of claim 6, wherein the substrate is disposed in a receiving hole of the concentrating body. 11. The LED lamp of claim 6, wherein the substrate is disposed at a junction of the reflector cup. 12. The LED lamp of claim 6, wherein the substrate is disposed at a joint of the accommodating hole of the concentrating body and the reflecting cup. 13. The LED lamp of claim 6, wherein the inner wall surface of the reflector cup is coated with a reflective material. 14. The LED lamp of claim 6, wherein the light transmissive layer covers the opening of the reflector cup and the light transmissive layer has a diffusing surface facing away from the opening. The LED lamp of claim 6, wherein the concentrator has decyl acrylate, polycarbonate or silicone. The LED lamp of claim 1 or 6, wherein the LED light source is an LED chip or an LED package. The LED lamp of claim 1 or 6, wherein the phosphor layer is made of a phosphor powder that is excited by a light source to change the color of the light. —20 —
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CN202024143U (en) 2011-11-02

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