TWI262276B - Illumination module - Google Patents

Illumination module Download PDF

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Publication number
TWI262276B
TWI262276B TW094141225A TW94141225A TWI262276B TW I262276 B TWI262276 B TW I262276B TW 094141225 A TW094141225 A TW 094141225A TW 94141225 A TW94141225 A TW 94141225A TW I262276 B TWI262276 B TW I262276B
Authority
TW
Taiwan
Prior art keywords
light source
heat
light
lighting module
reflective
Prior art date
Application number
TW094141225A
Other languages
English (en)
Other versions
TW200720587A (en
Inventor
Ming-Chieh Chou
Wen-Shan Lin
Yii-Tay Chiou
Chun-Hsun Chu
Original Assignee
Ind Tech Res Inst
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ind Tech Res Inst filed Critical Ind Tech Res Inst
Priority to TW094141225A priority Critical patent/TWI262276B/zh
Priority to US11/340,668 priority patent/US7461951B2/en
Application granted granted Critical
Publication of TWI262276B publication Critical patent/TWI262276B/zh
Publication of TW200720587A publication Critical patent/TW200720587A/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/68—Details of reflectors forming part of the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/42—Forced cooling
    • F21S45/43—Forced cooling using gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • F21V29/677—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for discharging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F21V29/773—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/49—Attachment of the cooling means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/40—Light sources with three-dimensionally disposed light-generating elements on the sides of polyhedrons, e.g. cubes or pyramids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

上所展示之未來概念車内，汽車廠也無法確認LED頭燈商品化上 市之具體時程，探究其原因，可發現發光效率不足、散熱問題與 成本過高是LED目前無法廣泛應用在照明領域之主要障礙，如同 半導體產u口一樣，照明業界樂觀地s忍為成本過高只是時間問題， 在未來大量生產且歐、日等大廠專利授權態度逐漸轉向開放之 後，預期高功率LED照明模組之生產成本會大幅下降，因此，當 1262276 九、發明說明： 【發明所屬之技術領域】 本發明係有_-種照賴組之結構，尤指_種將傳統位於 中央位置之光源與環繞關之聚光料位置互換之 極體照明掇細。 干么元一 【先前技術】 「可與踅迪生的燈炮相提並論的發明」、「能給家裏提供足 的光亮，同時有著好鎌的壽命」，這魏嘆，都不足以描述發 光一極體（LED ’ Light Emitting Diode)對人類世界之影響，近 年來’LED已從早期單純顯示功能逐漸邁向照贿顯示器等消費性 產品之應用光源，造成此一轉變之決定性因素在於1996年業界成 功研發以藍光LED混和黃色螢光粉而發展出白光[肋，至此，'人類 照明史進入了另一劃時代境界；而以多數個LK)組成之高功率led 照明模組，包含投影機、LCD—TV背光模組、汽車頭燈與造景光源 等領域的產品需求量更是大幅成長，以車用照明之汽車頭燈為 例，這塊尚未實現、而眾家車廠競爭激烈的新興領域，其成=潛 力更是受各車廠重視，但目前led車頭燈仍只停留於車展旋轉台 6
關於習知高轉LED投·結構，首先，請參晒—所示中 =專利證書號M25刪「高功率發光二極體投射燈」，如圖所 光組件11G架構，其主要包括—導熱金屬罩體u 具有—連接部，中央形成貫穿之中孔112，燈杯内側壁Ϊ 可集聚光線之反射面113，其外部設有多數個之散熱鰭^Μ ;— 1262276 務之急在於解決亮度與散熱問題。 為符合高亮度LED照明模組需求之光通量，大多使用串/並聯 ，躲啊)擺放LED之方式來封裝模組，但高輸出光通量亦意味 著南功率電能操作，當衍生之廢熱無法自LED晶片（物)帶出， 而溫度持續高於攝氏12()度時，LED發光效率與壽命就會受到嚴重 影響，如同解決CPU(中央處理器）散熱問題一樣，熱管理專家們提 出了不同之結構與方法’包括加裝散熱鰭片、風扇、水冷系統甚 至熱=eat pipe)都被考慮過，但重要的是不能影響照明模組原 有之簡單性與可靠性，並得考量外加散熱元件後，更增 就對發展LED照明不利之成本因素。 尽伞 再者，現行LED應用於如投影機光源，或車用頭燈領 度照明光源模組上，除了亮度問題，更必須能縮小體積與提高單^ =面積發綠，以車_燈為例，其亮度必默幅提高方能提供 有效照明（例如汽車遠光燈），以高誠氣⑽ ^itensity Discharge)為例，-顆高錢氣職能發出超過一般 素k 3倍之碰，若採用LED，其數量必須增加好幾倍，才有 能，«素車燈，如此—來，頭燈尺寸也必須械應加大3〜伴， 碩燈業者甚域計，將實際翻於汽車驗上，至少還 =钱更久’觀可知，縮小統體積、提高單位面積發 先里疋未來南亮度led照明模組之研發重點。 1262276 具有多數個金屬接腳之發光二極體基座！ 2〇，以及一具有發光二極 體晶片之發光晶片組130;其特點在於該導熱金屬罩體lu兼具反 射及放熱功用’藉由該散熱H片1丨4大幅增加散熱面積，以解決 LED光源模組產生之散熱問題；然而，該結構雖可達到散熱目的， 但發光晶片組130只能擺放於單一平面上，因此LED可擺放之數 目受限，無法提高單位面積發光量，而導熱金屬罩體U1設置散 熱續片114後，導致體積加A，無法達成縮小照明模組體積之目 的。 、 再請參閱圖二所示另一習知高功率LED燈具結構，中華民國 專利也書號1225713「發光二極體燈具及其散熱方法」，該發明為 一迴路熱管(heat pipe)裝置與LED燈具23之結合，該迴路熱管 裝置具有一内含有揮發性液體的蒸發器236及一熱傳導效率數倍 於金屬之冷凝器237連通於該蒸發器236，該LED燈具23具有一 設有多數個LED燈泡232之底座230及一燈罩234，該蒸發器236 係結合於該底座230，該冷凝器237係結合於燈罩234 ;將LED燈 泡232產生之熱量透過蒸發器236及冷凝器237傳送至燈罩2如， 猎該燈罩234排熱，可使熱量有效地擴散到整個燈罩234，而相較 於圖-所示結構，該燈具23中央立體化之底座23〇可增加⑽燈 ，232擺放數目，但此結構之缺點在於需使用熱管裝置，因此提 高了成本，而垂直擺放之LED燈泡232其内部光學反射角度不佳， 會影響燈具之出光效率。 續請參閱圖三所示又一習知之高功率LED燈具，中華民國專 利證書號M248962「發光二極體(LED)之燈具結構&良」 含一燈具本體310，該燈具本體31〇上設有若干燈座311，其外緣 沿其弧緣面披覆-集光部312，於各燈座311之定位部313固設有 -1262276 么上凸設有多數個發光二極體331，其散發燈光 所包圍’藉此能令燈具具備較佳之組裝結構盘昭 目由絲基板330朝外，故可増加發光二極_ 二曰==^體發光通量，然此結構之散熱路徑需向内散逸， 使传月L面積受到限制，因而降低了燈具電功率之操作範圍。 綜硯以上幾種綠技藝，可以歸納以下幾 照明模組之缺點： ^ ^ 1·光平罐制了可擺放·之數目，使科位面積 光通置受限。 2. = LED晶片組針於單—發光平面時，高功輪作下之廢孰不 易擴散，散熱效率不佳。 、 3. ^需額外增加熱f裝韻助散熱，將使得成本提高，不利照明 燈具普及化。 ' 4·右將多片光源面板朝外方式擺放，雖可增加⑽數目，但 途徑變成向内，使得散熱面積變少。 … 【發明内容】 鑒於前述現行習知技藝之缺點，本發明之主要目的在於提供 一，照賴組之結構’其創作概念為將傳驗於中央位置的光 與環繞周_聚光燈罩位置域，_絲健計算模组反光面、 與外側光源基板的相對角度，可縮小照明模組體積、提高單位面 積輪出光通量’並增加散熱面積，翻於微魏之高功率照明模 系且0 Λ χ 為達到上述目的，本發明提出—麵賴組之結構，補由 先源、多數個具高_導倾之賴、基板及具反光效果之反光結 1262276 ^成，該多數個光源基板環繞形成多邊形構賴崎圍结構， 壁=2 ’該反光結構係相對 置 ====== “操作功率祕與發光通量，該辅助散熱元件可為—置放於昭 2組底部之散熱風扇，或可再加裝鮮裝置於 廢 熱導至後級散熱鰭片以風扇強制散熱。 低 為使貴審查委員對於本發明之結構目的和功效有更進一步 之了解與認同，茲配合圖示詳細說明如后。 【實施方式】 以下將參照隨附之圖式來描述本發明為達成目的所使用的技 術手段與功效，糾下圖式_舉之實_僅為獅朗，以利 貴審查委員暸解’但本案之技術手段並不限於所尊圖式。 請參閱圖四至圖六所示本發明之一較佳實施例，該照明模組i 主要係由m光職板3、反光結構4及透鏡5敝成，該光 源2可為發光二極體’亦可為發光二極體與_絲、白熱燈或 氣體放電燈_型統之㈣組合，依照賴組丨尺寸不同或使 用光源種類之不同決定該統2之設置方式及其數量，如本較佳 實施例所不’该光源2係為發光二極體，且係以多數個陣列方式 設置於該光源基板3上，至於發光二極體之種類可採用高功率之 白光發光二極體晶片（LED chlp)，該類發光二極體晶片具有體積 迷你之優點’更適合實施於本發明； 該光源基板3為具有高熱傳導係數之材料，如銅、鋁、鐵等 1262276 a:::1繙=秒等半導體材質’或如陶瓷、凝膠等複合材料 内側壁二叫==糊細_1之外構，'其 中未示出），輸線作紐線路(圖 材料，故亦具有可3為具有高熱傳導係數之 照明模組1外t 廢熱經由該光源基板3散逸至 需要之尺寸或搭配Γ光源2==3之設置數量’則依實際 央位置反4係相對於光源基板3設置於該照明模組1之中 料ϊΐι: 表面鑛設反光鑛膜之半導體材料、高分子材 材料等非金屬材質，或為具反光效果之金屬材= ’至_反光_之反辆 二二Φ之内側壁31之相對角度θ，可光學軟體計算以獲得最 2輸出光通量，例如圖七所示之照明模組la之另—實施例獲= ，41a係呈凹弧面’因反光面積、光源2數量，以及與内側壁 目對角度Θ1等等元素不同’因此也會使照明模組以形成異於 照明模組1之輸出光通量； Z、、 該透鏡5係設置於該照明模組J之出光端，其具有光學折射 特性以實現聚合或發散光源2所發出之亮权功能，可於前述該 光源基板3 _雜佈反級料，當光束由統2發出後，可同 時由反光面41與光源基板3之内側壁31反光，再經由透鏡5折 射發出，以增加出光效率。 刖述本电明之光源2較佳之實施方式係多數個陣列設置於光 源基板3之内側壁31，然依據光源2種類及尺寸之不同，或光源 1262276 基板3設置數量及尺寸不同，不限於四邊形，可為三角形、五 形、六邊料等，麟地’额賴組丨可_之空間大小亦有 柯，可以所需增減該光源2數量，如圖八所示，該照明模組比 • 係將光源2設置於反光結構4之反光面41圍繞構成之柱狀結構处 之頂部，亦可如圖九所示該照明模組lc係將柱狀結構犯挖空， 於該挖空部43内設置光源2，另亦可將光源2設置於反光結構* 之反光面41上（圖中未示出），其實施方式具有多樣性，依光源基 板3與反光結構4組合構成照明模組j實施態樣之不同而里，可 鲁充分利用此結構增加光源2數目，達成提昇單位面積光通量之目 的0 十至針三所示將_模組丨搭關助散熱元件以 軚尚刼作功率範圍與發光通量之不同實施例。 ☆如圖切示’該實施例係明四之_絲礎，於該照明模
Hr基板3之外側壁32係延伸形成多數個之散_片奶 ^加放熱面積，由於該光源基板3為具有高熱料係數之材料， 源2產生之廢熱經由該光源基板3傳導至散鋪片321 不ΐίΐ ’至於該散熱籍片321之外型可依實際所需而形成，並 不限於圖示之立體矩形。 又 可择所示’該實施例係以針之架構為基礎，除具有 “風I、面^^_請外’再於照明模組1底部設置一 %Γ、羽°亥放熱風扇6旋轉產生之風力，對散熱鰭片321進行 扇6====; 2之溫度，為提高散熱效率，故於該散熱風 而出，亦可m該隔板61可由該散熱稽片奶之邊緣延伸 。又糟由該隔板61之設置可集中散熱風扇6之風力， 1262276 再者’該錢、基板3外設置有通路33 ’使散熱321與光源基 板3之間形成非封閉之接觸面，因此可藉由散熱風扇6將熱量經 由該通路33快速送出照明模組1外部，以提高對流效率。、 再如圖十二所示，該實施例係以圖十一之架構為基礎，於照 明模組1外部罩設—外殼7，該外殼7與隔板61間形成一空間 該空間71與光源基板3外側壁32與散熱則321之間設置之通 連通’該空間71之功用在於區隔冷熱空氣形成對流以 ’藉由該隔板61之設置可集中散熱風扇6之風力， 政,、、、風扇6將熱量經由通路33送入空間71再排出照明模组】外， ====隔’故可對賴則32進行_對流，使對流 2針三卿，对關_計具有散熱則剡之芊 ===_片321連接一熱管裝置8，該熱管裝置8 = ====物哺晴組丨之廢㈣， 讀熱，該彳肋接嶋裝置8導出 級散熱則81 _缝熱/、賴w2 ’ _以對該後 其』構學結構， 3〇度角與45度發散角，可v為19%，右放置圓形檔板於本發明 此數據顯示本發明所揭=:=^通量侧與m，由 具有可實施性，並能獲致良好出光效率。構係經光學軟體計算驗證 1262276 綜上詳述本㈣各不同較佳實施顺_容，可歸 具有以下優點： h ΐ同發光_τ ’立體統基板可增加歡統之數目，提高 早位面積輪出光通量。 ^ I t ^源數目下，多㈣立體結構可降低光絲板上擺放之光 源密度，提高散熱效率。 兀 ^相同電功率輸出且同樣使用燈罩散熱之結構(如圖二所示）相 車^發明由於光源連魏繞之散板，故赫可直接帶至 ^月，、、、功能之燈罩’不需增加熱f裝置來將廢熱導至燈 熱’可省去熱管裝置成本。 4. ^基板可設計向外延伸的散_片，與圖三習知技藝相較之 向内散熱路徑，散熱面積不會受到限制。 5. =小照明模組體積、提高單位面積輸出光通量，並增加散孰 Z 2於微型化之高輸出光通量需求之照明光源或投影ΐ 二肉/广機光源、手電筒、汽車頭燈、投射燈、背光源，盘 至内/外照明模組等應用領域。 /、 6. 特^之立體光源基板結構，可分為以金屬,㈣自然散献、 粍加風扇強制對流散熱，或以埶管 riisf t …、g將廢熱導出至後級散熱片後 :扇放熱專實施方式，以適應不同功率操作下之散熱需求。 卜 琉佳實轭例而已，當不能以之 實施之範圍，即大凡依本發明申請專利範圍所作之 修飾，皆應仍屬於本伽專利涵蓋之 審查委貝明鑑，並祈惠准，是所至禱。 貝 【圖式簡單說明】 圖 圖一至圖三係為三種習知LED燈具專利之結構示意 1262276 圖四係為本發明之一較佳實施例之外觀立體圖。 圖五係為圖四之實施例之俯視圖。 圖六係為圖四之實施例之側視圖。 圖七係為反光結構之另一實施例示意圖。 圖八及圖九縣光源;同設置方式之實施例示意圖。 圖十至針三係本發料_助散熱元件之實施例 春 【主要元件符號說明】 習知： 110- 發光組件 111- 導熱金屬罩體 112- 中孔 113- 反射面 114- 散熱鰭片 120-發光二極體基座 • 130-發光晶片組 23-LED燈具 230-底座 234-燈罩 ' 236-蒸發器 ' 237-冷凝器 232-LED 燈泡 310- 燈具本體 311- 燈座 1262276 312- 集光部 313- 定位部 330- 基板 331- 發光二極體 本發明： 1、la、lb、lc-照明模組 2- 光源 3- 光源基板 31 -内侧壁 32- 外側壁 321-散熱鰭片 33- 通路 4- 反光結構 41、41a-反光面 42- 柱狀結構 43- 挖空部 5- 透鏡 6- 散熱風扇 61-隔板 7- 外殼 71-空間 8-熱管裝置 81 -後級散熱鰭片 82-後級散熱風扇 16 1262276 θ、01-相對角度

Claims (1)

1262276 申請專利範圍： ’：=照明模組之結構，係包含有： 九源，係用以發出亮光； :逆；:;側:r照明模組一 所發出構，係相對於該光源基板設置，用以反射該光源 2’ 1項所述之照明模組之結構，其中，該光源 3, 1 ^ 4. 利範圍第1項所述之照明模組之結構，其中，該光源 5. ==第1項所述之照一 專利範圍第！項所述之照明模 可，數個並叫財式設置於該光源基板中糾源 n專纖_丨項所叙照賴組 基板為具有高熱傳導係數之材料。 # ”中献源 &如申請專利範圍第7項所述之照明模組之 高熱傳導係數之材料為^結構’其中，該具有 10如申請專利範圍第7項所述之照 如恢專利範圍第1項所述之照明模組之結構，其中，該 18 Ϊ262276 多數個光源基板係環繞組成多邊形。 比如申請專利難第丨項所述之朗模組之結構， 中央ΓΓ糸相對於該光源基板設置之數量設置於該照明模組^ 13. 如申請專利範圍第i項所述之照明模組之結 =光結構為表面反級膜之半導體材料 材’ ^ 合材料等非金屬材質。 刀千材枓、硬 該 14. 、,如申請專利範㈣丨項所述之照賴組之結構，
反光結構為具反光效果之金屬材質。 ” 該 15·如申請專利範圍第j項所述之照明模組之結 反光結構之反光面係為一垂直面。 ” 其中，該 16·如申請專利範圍第i項所述之照明模組之結構， 反光結構之反光面係為一弧面。 17·如申請專利範圍第i項所述之照明模組之結 光源係設置於該反光結構之頂部。 ” 队如申請專利範圍第i項所述之照明模組之結構， 光源係設置於該反光結構之反光面上。 ^ 说如申請專利範圍第i項所述之照明模組之結構， 光源係設置於該反光結構挖空之内部。 〜 2〇·如申請專利範圍第！項所述之照明模組之結構，勺人 二】有光學折射性質之透鏡’該透鏡係設置於該照明模組 21·如申請專利範圍第i項所述之照明模組之結構， > 光源基板之外側壁可延伸多數個散熱鰭片。 ，、，該 22·如申請專利範圍第1項所述之照明模組之結構，其中… 光源基板之外侧壁可延伸多數個散熱韓片，於該散熱讀片底= 19 1262276 設有一散熱風扇。 23-如申請專利範圍第22項所述之照明模組之結構，其中，該 光源基板之外侧壁與該散熱片之間設置有通路，使該散熱鱗 片與該光源基板之間形成非封閉之接觸面。 24.如暢專繼’ 23項所述之照賴組之結構，其更包含: 一隔板，係設置於該散熱鰭片外； ^ -外殼，其鮮設於該㈣模組外，且與該隔姻職一空間， 該空間與該光源基板外側壁與該散熱,_片之間設置之通路相 通0
25· 如”月寻利犯_ 24項所述之照明模組之結構，其中，該 隔板係由該散熱鰭片之邊緣延伸而出。 〜 26. |如申請專利範圍第1項所述之照明模組之結構，1更包含. 至少一熱管裝置’係用以將該照明模組之廢熱導出；a . 至少-後級散熱鰭片’係設置於該熱管之’ 該熱管農置導出之廢熱； 我罝之私’用以接收 至少一後級散熱風扇，_以對該後級散對流散熱。
20
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