JP2017521828A - Led照明ユニット - Google Patents
Led照明ユニット Download PDFInfo
- Publication number
- JP2017521828A JP2017521828A JP2016575087A JP2016575087A JP2017521828A JP 2017521828 A JP2017521828 A JP 2017521828A JP 2016575087 A JP2016575087 A JP 2016575087A JP 2016575087 A JP2016575087 A JP 2016575087A JP 2017521828 A JP2017521828 A JP 2017521828A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- led
- lighting unit
- refractive index
- beam shaping
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
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Images
Classifications
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- 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
- F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
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- 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
- F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
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- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/101—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening permanently, e.g. welding, gluing or riveting
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- 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
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0004—Personal or domestic articles
- F21V33/0052—Audio or video equipment, e.g. televisions, telephones, cameras or computers; Remote control devices therefor
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- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
- G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
- H01L33/505—Wavelength conversion elements characterised by the shape, e.g. plate or foil
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- H—ELECTRICITY
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- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21Y2115/10—Light-emitting diodes [LED]
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- G—PHYSICS
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- G03B2215/05—Combinations of cameras with electronic flash units
- G03B2215/0564—Combinations of cameras with electronic flash units characterised by the type of light source
- G03B2215/0567—Solid-state light source, e.g. LED, laser
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2215/00—Special procedures for taking photographs; Apparatus therefor
- G03B2215/05—Combinations of cameras with electronic flash units
- G03B2215/0589—Diffusors, filters or refraction means
- G03B2215/0592—Diffusors, filters or refraction means installed in front of light emitter
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- Multimedia (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Led Device Packages (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
支持構造体と、
支持構造体の内部に取り付けられたLEDベースの発光構造体と、
支持構造体の上部の上の光学ビーム成形装置と、
を備えるLED照明ユニットであって、
光学ビーム成形装置が光学的に透明で、熱的に安定した材料を含む微細構造化層を備え、支持構造体が、ビーム成形装置の微細構造化層をLEDベースの発光構造体の上部でLEDベースの発光構造体の発光面積の平方根未満の高さに支持し、微細構造化層が、それぞれが上部頂点で合流する一つまたはそれ以上の側面を有する微細素子の少なくとも1つのアレイを備え、一つまたはそれ以上の側面が微細素子の基部から上部頂点まで一直線である、LED照明ユニットが提供される。
LED及びLEDの真上の蛍光体、又は
LED及び支持構造体を充填する蛍光体、又は
LED及び第1の微細構造化層の真下の、LEDから離隔された蛍光体層
を備えることができる。
Claims (15)
- 支持構造体と
前記支持構造体の内部に取り付けられたLEDベースの発光構造体と、
前記支持構造体の上部の上の光学ビーム成形装置と、
を備える、LED照明ユニットであって、
前記光学ビーム成形装置は、光学的に透明で、熱的に安定した材料を含む微細構造化層を備え、前記支持構造体は、前記ビーム成形装置の前記微細構造化層を、前記LEDベースの発光構造体の上方で前記LEDベースの発光構造体の発光面積の平方根より低い高さに支持し、かつ、
前記微細構造化層は、それぞれが上部頂点で合流する一つまたはそれ以上の側面を有する微細素子の少なくとも一つのアレイを備え、前記一つまたはそれ以上の側面は、前記微細素子の基部から前記上部頂点までまっすぐである、
LED照明ユニット。 - 前記支持構造体は、記ビーム成形装置の前記微細構造化層を、前記LEDベースの発光構造体の上方で0.5mmより低い高さにおいて支持する、
請求項1に記載の照明ユニット。 - 前記支持構造体は、前記LEDベースの発光構造体と前記光学ビーム成形装置との間に延在する反射側壁を備える、
請求項1または2に記載の照明ユニット。 - 前記微細構造化層は、シリコーン、ハイブリッドシリコーン、ケイ酸塩、ハイブリッドケイ酸塩、ゾル−ゲル材料、ポリイミド、ガラス、又は、サファイアといった透明なセラミック、を含む、
請求項1乃至3いずれか一項に記載の照明ユニット。 - 前記微細構造化層は、メチルシロキサン、メチルフェニルシロキサン、フェニルシロキサン、エポキシ官能性シロキサン若しくは高屈折率シリコーン、メチルケイ酸塩若しくはメチルフェニルケイ酸塩、又はフェニルケイ酸塩若しくは他のアルキルケイ酸塩、或いは金属アルコキシド前駆体、或いは、それらの混合物に由来した材料、を備える、
請求項4に記載の照明ユニット。 - 前記光学ビーム成形装置は、ベース層及び前記ベース層の上の前記微細構造化層を備え、
前記ベース層は、望ましくは、ポリイミド、又は熱安定化PEN、又はシリコーン、又は、ガラス又は、サファイアといった透明なセラミック、を含む、
請求項1乃至5いずれか一項に記載の照明ユニット。 - 前記照明ユニットは、さらに、
前記ベース層と前記微細構造化層との間に接着促進層を備える、
請求項4乃至6いずれか一項に記載の照明ユニット。 - 前記接着促進層は、シラン、チタン酸塩、又は、ジルコン酸塩含有材料、を含む、
請求項7に記載の照明ユニット。 - 前記光学ビーム成形装置は、
第1の屈折率の第1の材料に接触しており、又は、
中間の接合層を介して第1の屈折率の第1の材料に接合されており、又は、
接合部分と第1の屈折率の第1の材料の部分とを有する部分的な接合層を使用して、前記LEDベースの発光構造体に接合されており、
前記微細構造化層の前記材料は、0.3と0.65との間だけ前記第1の屈折率よりも大きい屈折率を有する、
請求項1乃至8いずれか一項に記載の照明ユニット。 - 前記第1の材料は、
1.0の屈折率を有する空気、
エアロゲルといった、1.3よりも小さな屈折率を有する低屈折率層、又は、
1.3と1.6との間の屈折率を有する被覆層、
を含む、
請求項9に記載の照明ユニット。 - 前記光学ビーム成形装置は、前記LEDベースの発光構造体に接合されている、
請求項1乃至8いずれか一項に記載の照明ユニット。 - 前記LEDベースの発光構造体は、
LED、又は、
LED及び前記LEDの真上の蛍光体、又は、
LED及び前記支持構造体を充填する蛍光体、又は、
LED及び第1の前記微細構造化層の真下で、かつ、前記LEDから離隔された蛍光体層、
を備える、
請求項1乃至11いずれか一項に記載の照明ユニット。 - 前記照明ユニットは、
スタック状の複数のビーム成形装置を備え、かつ、
前記ビーム成形装置の間に、空気又は接着剤を含む層を備える、
請求項1乃至12いずれか一項に記載の照明ユニット。 - 前記照明ユニットは、
カメラフラッシュユニットを備える、
請求項1乃至13いずれか一項に記載の照明ユニット。 - カメラ光学センサと、請求項14に記載のフラッシュユニットと、を備える、
モバイルの携帯機器。
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