TWI664371B - 車輛用發光二極體燈炮 - Google Patents

車輛用發光二極體燈炮 Download PDF

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TWI664371B
TWI664371B TW107103252A TW107103252A TWI664371B TW I664371 B TWI664371 B TW I664371B TW 107103252 A TW107103252 A TW 107103252A TW 107103252 A TW107103252 A TW 107103252A TW I664371 B TWI664371 B TW I664371B
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light
emitting diode
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松本理央
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日商Ｉｐｆ股份有限公司
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00—Lighting devices or systems producing a varying lighting effect
    • F21S10/02—Lighting devices or systems producing a varying lighting effect changing colors
    • F21S10/023—Lighting devices or systems producing a varying lighting effect changing colors by selectively switching fixed light sources
    • 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
    • F21S41/12—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of emitted light
    • F21S41/125—Coloured light
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/18—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights being additional front lights
    • B60Q1/20—Fog lights
    • 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
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • 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]
    • 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
    • F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
    • 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
    • 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
    • F21S41/19—Attachment of light sources or lamp holders
    • F21S41/192—Details of lamp holders, terminals or connectors
    • 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
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
    • 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
    • F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • 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
    • 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
    • F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/30—Fog lights
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
    • 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]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

提供車輛用發光二極體燈炮，具有白色發光二極體光源與淡黃色發光二極體光源的2色發光二極體光源，並根據目的利用開關的轉換可以2色轉換。
在光源熱傳導部23的兩面發光二極體安裝面部21，分別裝載白色發光二極體光源25與淡黃色發光二極體光源26，這些白色發光二極體光源25與淡黃色發光二極體光源26的安裝位置，上下間隔互相大略相接，以淡黃色發光二極體光源26為白色發光二極體光源25的上側，而且在前後間隔不超過互相的寬度的範圍內，安裝淡黃色發光二極體光源26位於白色發光二極體光源25的後方，上述白色發光二極體光源25，重點照射路邊區側，輔助頭燈光線照不到的範圍，上述淡黃色發光二極體光源26，重點照射中央稍微下側，使下雨或起霧時的視認性提高。

Description

車輛用發光二極體燈炮
本發明係關於轉換使用發光二極體光源的可2色轉換的霧燈或行車燈等的車輛用發光二極體燈泡。
關於日本國內的保安基準，汽車的前霧燈定為白色或淡黃色作為光源色。
以習知的發光二極體作為光源的車輛用霧燈，在具有熱傳導性的細長金屬的光源熱傳導部兩面，設置白色或淡黃色的任何一對發光二極體光源，根據使用目的，選擇安裝單一光源中任一方的霧燈，不能看到可2色轉換的車輛用霧燈。
車輛用頭燈中，在光源熱傳導部的兩面，設置各兩個發光二極體光源是眾所周知的(專利文件1)。
此車輛用發光二極體頭燈10，如第7(a)(b)(c)圖所示，光源熱傳導部11的兩側的發光二極體安裝面部14形成3角山形，此發光二極體安裝面部14的前方遮蔽部12側裝載近光燈發光二極體15，基部18側配置間隔裝載遠光燈發光二極體16。17係近光燈段差，19係散熱部。
如此的構造中，一點亮遠光燈發光二極體16，就成為第6圖的遠光燈照射範圍，一點亮近光燈發光二極體15，就成為第6圖的近光燈照射範圍，成為兩者的照射範圍大不同的配光。
[先行技術文件] [專利文件]
[專利文件1]專利第2016-119282號公開公報
專利文件1中記載的發光二極體光源的頭燈，係用於轉換近光燈與遠光燈，照射範圍的切割線大不同，作為可轉換2色的霧燈或行車燈等的車輛用發光二極體燈泡，具有不能維持原樣利用的問題。
本發明，以提供車輛用發光二極體燈炮為目的，具有白色發光二極體光源與淡黃色發光二極體光源的2色發光二極體光源，並根據目的利用開關的轉換可以2色轉換。
根據本發明的車輛用發光二極體燈炮，包括光源熱傳導部23、安裝框31與散熱部32；在上述光源熱傳導部23的兩面發光二極體安裝面部21，分別裝載白色發光二極體光源25與淡黃色發光二極體光源26，這些白色發光二極體光源25與淡黃色發光二極體光源26的安裝位置，上下間隔互相大略相接，以淡黃色發光二極體光源26為白色發光二極體光源25的上側，而且在前後間隔不超過互相的寬度的範圍內，安裝淡黃色發光二極體光源26位於白色發光二極體光源25的後方。
上述白色發光二極體光源25，重點照射路邊區側，輔助頭燈光線照不到的範圍，上述淡黃色發光二極體光源26，重點照射中央稍微下側，具有使下雨或起霧時的視認性提高的效果。
光源熱傳導部23的兩面發光二極體安裝面部21，可以形成略垂直面，此外，光源熱傳導部23的兩面發光二極體安裝面部21，也可以形成傾斜面。
根據申請專利範圍第1項，包括光源熱傳導部、安裝框與散熱部；在上述光源熱傳導部的兩面發光二極體安裝面部，分別裝載白色發光二極體光源與淡黃色發光二極體光源，這些白色發光二極體光源與淡黃色發光二極體光源的安裝位置，因為上下間隔互相大略相接，以淡黃色發光二極體光源為白色發光二極體光源的上側，而且在前後間隔不超過互相的寬度的範圍內，安裝淡黃色發光二極體光源位於白色發光二極體光源的後方，所以可以控制2色的光軸(切割線位置)的變化至最小限度。又，可以得到符合白色與淡黃色各色的最適合配光模式。又，以開關轉換1個車輛用發光二極體燈炮，可以具有2色轉換的機能。
根據申請專利範圍第2項，白色發光二極體光源，重點照射路邊區側，輔助頭燈光線照不到的範圍，淡黃色發光二極體光源，重點照射中央稍微下側，具有使下雨或起霧時的視認性提高的效果。
根據申請專利範圍第3項，光源熱傳導部的兩面發光二極體安裝面部，因為形成略垂直面，容易制作理想的配光模式。
又，光源熱傳導部的兩面發光二極體安裝面部，由於形成傾斜面，可以得到有效的散熱特性。
10‧‧‧車輛用發光二極體頭燈
11‧‧‧光源熱傳導部
12‧‧‧前方遮蔽部
14‧‧‧發光二極體安裝面部
15‧‧‧近光燈發光二極體
16‧‧‧遠光燈發光二極體
17‧‧‧近光燈段差
18‧‧‧基部
19‧‧‧散熱部
21‧‧‧發光二極體安裝面部
22‧‧‧本發明的車輛用發光二極體霧燈
23‧‧‧光源熱傳導部
24‧‧‧前方遮蔽部
25‧‧‧白色發光二極體光源
26‧‧‧淡黃色發光二極體光源
27‧‧‧反射器
28‧‧‧燈體外殼
29‧‧‧白色照射面
30‧‧‧淡黃色照射面
31‧‧‧安裝框
32‧‧‧散熱部
[第1圖]係顯示本發明的車輛用發光二極體燈炮的一實施例的正面圖；[第2圖]係顯示本發明的車輛用發光二極體燈炮的一實施例的平面圖；[第3圖]係從本發明的車輛用發光二極體燈炮的平面所見的白色照射面29與淡黃 色照射面30的配光圖；[第4圖]係從本發明的車輛用發光二極體燈炮的側面所見的白色照射面29與淡黃色照射面30的配光圖[第5圖]係本發明的車輛用發光二極體燈炮的白色照射面29與淡黃色照射面30的配光圖；[第6圖]係習知的車輛用發光二極體頭燈10的遠光燈與近光燈的照射配光圖；以及[第7圖](a)係習知的車輛用發光二極體頭燈10的平面圖，(b)係(a)中的A-A線剖面圖，(c)係(a)中的B-B線剖面圖。
根據本發明的車輛用發光二極體燈炮，包括光源熱傳導部23、安裝框31與散熱部32；在上述光源熱傳導部23的兩面發光二極體安裝面部21，分別裝載白色發光二極體光源25與淡黃色發光二極體光源26，這些白色發光二極體光源25與淡黃色發光二極體光源26的安裝位置，上下間隔互相大略相接，以淡黃色發光二極體光源26為白色發光二極體光源25的上側，而且在前後間隔不超過互相的寬度的範圍內，安裝淡黃色發光二極體光源26位於白色發光二極體光源25的後方而構成。
白色發光二極體光源25，重點照射路邊區側，輔助頭燈光線照不到的範圍，淡黃色發光二極體光源26，重點照射中央稍微下側，使下雨或起霧時的視認性提高。
光源熱傳導部23的兩面發光二極體安裝面部21，不限於形成略垂直面的情況，光源熱傳導部23的兩面發光二極體安裝面部21，也可以形成傾斜面。
[第一實施例]
以下，作為本發明的第一實施例，根據第1到5圖說明車輛用發光二極體燈炮的例子。
第1及2圖中，23係熱傳導率佳的鋁等的金屬或樹脂構成的光源熱傳導部，垂直削圓柱體的兩面，分別為發光二極體安裝面部21。在此光源熱傳導部23的前端部，形成圓形的前方遮蔽部24，在基端部的圓柱部，安裝安裝框31，還以上述光熱源傳導部23的安裝框31嵌入基端部至散熱部32內。
在上述發光二極體安裝面部21的兩面略中央，設置白色發光二極體光源25與淡黃色發光二極體光源26。這些白色發光二極體光源25與淡黃色發光二極體光源26，在第1圖中，配置為下是白色發光二極體光源25，上是淡黃色發光二極體光源26，安裝成大略密合狀態，使這些上下的位置間隔b儘量小。又，設定互相重疊白色發光二極體光源25與淡黃色發光二極體光源26的前後位置間隔a，配置成前方是白色發光二極體光源25，後方是淡黃色發光二極體光源26，成為後述的各配光圖。
具體而言，一般設定頭燈，使光線照得遠，主要照射配光圖的中央部分，霧燈的白色發光二極體光源25，主要使用作為頭燈的輔助燈，根據白色發光二極體光源25的配光圖，如第5圖所示，重點照射路邊區側，最好輔助頭燈光線照不到的範圍。因此，白色發光二極體光源25的安裝位置，在淡黃色發光二極體光源26的下側且不超過發光二極體光源的寬度的範圍內，比淡黃色發光二極體光源26稍微位於前方。
上述淡黃色發光二極體光源26，主要在下雨或起霧的暴風雨時使用，根據此淡黃色發光二極體光源26的配光圖，如第5圖所示，理想是重點照射中央稍微下側，使下雨或起霧時的視認性提高。因此，淡黃色發光二極體光源26的安裝位置在白色發光二極體光源25的上側，在不超過發光二極體光源的寬 度的範圍內，比白色發光二極體光源25稍微位於後方。
上述專利文件1所示的例子中。為了使近光燈與遠光燈的切割線明確不同，使近光燈發光二極體15與遠光燈發光二極體16的上下安裝位置具有既定的間隔，作為霧燈的上述白色發光二極體光源25與淡黃色發光二極體光源26，在第1圖中，安裝成大略密合狀態使上下的位置間隔b儘量小，配光圖都大略重疊，淡黃色發光二極體光源26安裝在稍微下側。
淡黃色發光二極體光源26與白色發光二極體光源25的位置關係，因為也依反射器的形狀配光特性不同，為了可以達成上述目的，最好看配光圖決定。
如此的構成中，本發明的車輛用發光二極體霧燈22設置在燈體外殼28內發光時，白色發光二極體光源25的光線，以反射器27反射，如第3圖的實線所示，在橫方向寬廣，又如第4圖的實線所示，大略水平，全體成為延伸至第5圖的實線所示的路邊區側的白色照射面29。
轉換開關(未圖示)至淡黃色發光二極體光源26時，淡黃色發光二極體光源26的光線，以反射器27反射，如第3圖的點線所示，在橫方向比白色照射面29稍微狹窄，又，如第4圖的點線所示，在縱方向比白色照射面29稍微下側，成為全體重點照射比第5圖的點線所示的白色照射面29稍微下側的淡黃色照射面30。
上述實施例中，光源熱傳導部23的兩面為略垂直的發光二極體安裝面部21，但不限定於此，傾斜面也可以。但是，光源熱傳導部23，厚度過薄時，因為熱傳導作用變小，最好是得到將白色發光二極體光源25與淡黃色發光二極體光源26充分散熱的厚度。
上述實施例中，車輛用發光二極體燈炮，係以汽車用發光二極體霧燈為例說明，但包含行車燈等可2色轉換的車輛用發光二極體燈炮。

Claims (4)

  1. 一種車輛用發光二極體燈炮，其特徵在於：包括光源熱傳導部、安裝框與散熱部；其中，在上述光源熱傳導部的兩面的發光二極體安裝面部，分別裝載白色發光二極體光源與淡黃色發光二極體光源，這些白色發光二極體光源與淡黃色發光二極體光源的安裝位置，以上述淡黃色發光二極體光源為上述白色發光二極體光源的上側而安裝成大略密合狀態，而且在前後間隔不超過互相的寬度的範圍內，安裝上述淡黃色發光二極體光源位於上述白色發光二極體光源的後方。
  2. 如申請專利範圍第1項所述的車輛用發光二極體燈炮，其中，上述白色發光二極體光源，重點照射路邊區側，輔助頭燈，上述淡黃色發光二極體光源，重點照射中央稍微下側，輔助下雨或起霧時上述頭燈的白色光線照不到的範圍。
  3. 如申請專利範圍第1或2項所述的車輛用發光二極體燈炮，其中，上述光熱源傳導部的兩面的上述發光二極體安裝面部，形成略垂直面。
  4. 如申請專利範圍第1或2項所述的車輛用發光二極體燈炮，其中，上述光熱源傳導部的兩面上述發光二極體安裝面部，形成傾斜面。
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