JP2016540364A - スペクトル変換要素を備える発光デバイス - Google Patents
スペクトル変換要素を備える発光デバイス Download PDFInfo
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- JP2016540364A JP2016540364A JP2016553722A JP2016553722A JP2016540364A JP 2016540364 A JP2016540364 A JP 2016540364A JP 2016553722 A JP2016553722 A JP 2016553722A JP 2016553722 A JP2016553722 A JP 2016553722A JP 2016540364 A JP2016540364 A JP 2016540364A
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
-
- 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
- F21K9/61—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
-
- 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
-
- 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
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0085—Means for removing heat created by the light source from the package
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
-
- 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
- H01L33/507—Wavelength conversion elements the elements being in intimate contact with parts other than the semiconductor body or integrated with parts other than the semiconductor body
-
- 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
- H01L33/58—Optical field-shaping elements
-
- 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
- H01L33/64—Heat extraction or cooling elements
- H01L33/642—Heat extraction or cooling elements characterized by the shape
-
- 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
- H01L33/64—Heat extraction or cooling elements
- H01L33/644—Heat extraction or cooling elements in intimate contact or integrated with parts of the device other than the semiconductor body
-
- 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
- G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Planar Illumination Modules (AREA)
- Luminescent Compositions (AREA)
- Optical Couplings Of Light Guides (AREA)
- Led Device Packages (AREA)
- Optical Filters (AREA)
Abstract
Description
Claims (15)
- 動作時、第1の分光分布を有する第1の光を放出する複数の第1の固体光源と、
第1の光入力表面、第1の光出口表面、及び少なくとも1つの第1の更なる表面を含む第1の光ガイドであって、第1の光入力表面において第1の分光分布を有する第1の光を受け取り、第1の光を第1の光出口表面に案内し、第1の分光分布を有する第1の光を第1の光出口表面から取り出し、前記複数の第1の光源が第1の光ガイドの第1の光入力表面に隣接し且つ光学接触して配置されている、第1の光ガイドと、
第1の光ガイドの第1の光出口表面に配置された少なくとも1つの蛍光素子であって、前記少なくとも1つの蛍光素子は、第2の光入力表面と、第2の光出口表面と、少なくとも1つの第2の更なる表面と、を含み、第2の光入力表面と第2の光出口表面とが互いに対しゼロとは異なる角度で延在し、前記少なくとも1つの蛍光素子は、第2の光入力表面において第1の分光分布を有する第1の光を受け取り、第1の分光分布を有する第1の光の少なくとも一部を第2の分光分布を有する第2の光に変換し、第2の光を第2の光出口表面に案内し、第2の分光分布を有する第2の光を第2の光出口表面から取り出す、前記少なくとも1つの蛍光素子とを含む、発光デバイスであって、
前記発光デバイスが、第2の光入力表面に対向し且つ平行な前記少なくとも1つの蛍光素子の表面に又は表面上に配置された少なくとも1つの第1のヒートシンク要素を更に含む、発光デバイス。 - 第1の光ガイドは、第1の屈折率を有し、前記少なくとも1つの蛍光素子が第2の屈折率をを有し、前記少なくとも1つの蛍光素子の第2の屈折率が第1の光ガイドの第1の屈折率よりも大きい、請求項1に記載の発光デバイス。
- 光を第1の光ガイドから取り出し、前記少なくとも1つの蛍光素子に取り込み、第1の光ガイドと前記少なくとも1つの蛍光素子との間に配置されているカップリング要素を更に含む、請求項1又は2に記載の発光デバイス。
- 第1の光ガイドは第1の屈折率を有し、前記少なくとも1つの蛍光素子は第2の屈折率を有し、前記カップリング要素は第3の屈折率を有し、前記カップリング要素の第3の屈折率は、前記少なくとも1つの蛍光素子の第2の屈折率及び第1の光ガイドの第1の屈折率の少なくとも1つよりも小さい、請求項3に記載の発光デバイス。
- 複数の光源が、第1の光ガイドの少なくとも1つの第1の更なる表面に隣接し且つ光学接触して配置されている、請求項1乃至4の何れか一項に記載の発光デバイス。
- 第1の光入力表面と第1の光出口表面とは互いに対してゼロとは異なる角度で延在する、請求項1乃至5の何れか一項に記載の発光デバイス。
- 第1の光ガイドは、入射光を、入射光の分光分布とは異なる分光分布を有する変換済みの光に変換する、請求項1乃至6の何れか一項に記載の発光デバイス。
- 第1の光ガイドの少なくとも1つの第1の更なる表面に設けられる少なくとも1つの更なる光源を更に有する、請求項1乃至7の何れか一項に記載の発光デバイス。
- 前記少なくとも1つのヒートシンク要素は、1W/(K*m)超、10W/(K*m)超又は20W/(K*m)超の熱伝導率を有する材料で作製される、請求項1乃至8の何れか一項に記載の発光デバイス。
- 前記少なくとも1つの蛍光素子の少なくとも1つの第1の更なる表面の1つに配置された少なくとも1つの更なるヒートシンク要素を更に含む、請求項1乃至9の何れか一項に記載の発光デバイス。
- 第1の光ガイドは、前記少なくとも1つの蛍光素子の少なくとも2つの表面に隣接して延在する、請求項1乃至10の何れか一項に記載の発光デバイス。
- 第1の光ガイドから光を取り出す少なくとも1つのカップリング要素を更に含み、前記カップリング要素は、前記少なくとも1つの蛍光素子とは逆を向いている第1の光ガイドの表面に配置されている、請求項1乃至11の何れか一項に記載の発光デバイス。
- 動作時、第3の分光分布を有する第3の光を放出する少なくとも1つの第2の光源と、
第3の光入力表面及び第3の光出口表面を含む第2の光ガイドとを更に含み、
第2の光ガイドが、第3の分光分布を有する第3の光を第3の光入力表面で受け取り、第3の光を第3の光出口表面に案内し、第3の分光分布を有する第3の光を第3の光出口表面から取り出し、
前記蛍光素子は、第2の光ガイドの第3の光出口表面から取り出された第3の分光分布を有する第3の光を受け取り、第3の光を第2の光出口表面に案内し、第3の分光分布を有する第3の光を第2の光出口表面から取り出す、請求項1乃至12の何れか一項に記載の発光デバイス。 - 第2の光ガイドは、第3の分光分布を有する第3の光の少なくとも一部を第4の分光分布を有する第4の光に変換し、第4の光を第3の光出口表面に案内し、第4の分光分布を有する第4の光を第3の光出口表面から取り出す、請求項13に記載の発光デバイス。
- デジタルプロジェクション、自動車照明、舞台照明、店舗照明、家庭用照明、アクセント照明、スポット照明、劇場照明、光ファイバ照明、表示システム、警告照明システム、医療照明用途、装飾照明用途の1つ以上で使用される、請求項1乃至12の何れか一項に記載の発光デバイスを含む、ランプ、照明器具又はシステム。
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