JP6339190B2 - 発光装置及び発光装置を調光する方法 - Google Patents
発光装置及び発光装置を調光する方法 Download PDFInfo
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Classifications
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- 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
-
- 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
- G02B6/0003—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 doped with fluorescent agents
-
- 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
- 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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Planar Illumination Modules (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Projection Apparatus (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Liquid Crystal (AREA)
Description
Claims (15)
- 動作時に第1スペクトル分布を持つ光を放出する少なくとも2つの光源と、主導光方向に対して平行に配置された第1光入射面及び該第1光入射面に対してゼロとは異なる角度で延在する第1光出射面を有する第1導光器であって、前記第1光入射面において前記第1スペクトル分布を持つ光を受光し、前記第1スペクトル分布を持つ光の少なくとも一部を第2スペクトル分布を持つ光に変換し、前記第2スペクトル分布を持つ光を前記第1光出射面に導き、且つ、該第2スペクトル分布を持つ光を該第1光出射面から導出する第1導光器とを有し、前記少なくとも2つの光源が前記第1導光器の前記第1光出射面から互いに異なる距離に配置された発光装置であって、該発光装置は、
当該発光装置を、前記少なくとも2つの光源のうちの前記第1導光器の前記第1光出射面から最大の距離に配置された光源から開始して調光する制御装置、
を更に有する、発光装置。 - 前記制御装置が、前記光源を1つずつ調光する、請求項1に記載の発光装置。
- 当該発光装置は複数の光源を有し、前記制御装置は異なる強度レベルで光を放出するために前記複数の光源における少なくとも2つの光源を調光し、これら強度レベルは各光源と前記第1導光器の前記第1光出射面との間の距離の増加に伴い減少する、請求項1又は請求項2に記載の発光装置。
- 当該発光装置は複数の光源を有し、前記制御装置は前記複数の光源における少なくとも2つの光源の各グループを、前記第1導光器の前記第1光出射面から最大の距離に配置された少なくとも2つの光源のグループから開始して調光する、請求項1ないし3の何れか一項に記載の発光装置。
- 前記制御装置が前記少なくとも2つの光源の各グループを1つずつ調光する、請求項4に記載の発光装置。
- 前記制御装置は前記複数の光源における少なくとも2つの光源の各グループを、前記第1導光器の前記第1光出射面から最大の距離に配置された少なくとも2つの光源のグループから開始して1つずつオフする、請求項4又は請求項5に記載の発光装置。
- 当該発光装置の前記第1導光器は少なくとも1つの他の光出射面を有し、前記制御装置は前記少なくとも2つの光源を、該少なくとも2つの光源のうちの前記第1光入射面上の点の最も近くに配置された光源から開始して、1つずつ調光し、前記点は前記光出射面の各々までの垂直な距離が可能な限り最大である位置に配置され、ここで、前記光出射面の各々までの垂直な距離には等しい重みが付与される、請求項1ないし6の何れか一項に記載の発光装置。
- 前記制御装置は、前記少なくとも2つの光源における少なくとも1つをオフする動作、前記少なくとも2つの光源における少なくとも1つに互いに異なる振幅を持つ少なくとも2つの連続した直流電流を順に供給する動作、及び前記少なくとも2つの光源における少なくとも1つに供給される電流のパルス幅変調を使用する動作のうちの何れか1以上を行う、請求項1ないし7の何れか一項に記載の発光装置。
- 発光装置を調光する方法であって、
動作時に第1スペクトル分布を持つ光を放出する少なくとも2つの光源と、主導光方向に対して平行に配置された第1光入射面及び該第1光入射面に対してゼロとは異なる角度で延在する第1光出射面を有する第1導光器であって、前記第1光入射面において前記第1スペクトル分布を持つ光を受光し、前記第1スペクトル分布を持つ光の少なくとも一部を第2スペクトル分布を持つ光に変換し、前記第2スペクトル分布を持つ光を前記第1光出射面に導き、且つ、該第2スペクトル分布を持つ光を該第1光出射面から導出する第1導光器とを有し、前記少なくとも2つの光源が前記第1導光器の前記第1光出射面から互いに異なる距離に配置された発光装置を設けるステップと、
前記少なくとも2つの光源のうちの前記第1導光器の前記第1光出射面から最大の距離に配置された光源を調光するステップと、
を有する、方法。 - 前記調光するステップが、前記少なくとも2つの光源を1つずつ調光するステップを有する、請求項9に記載の方法。
- 前記少なくとも2つの光源を調光するステップを実行する制御装置を設けるステップと、
前記少なくとも2つの光源を調光するステップを前記制御装置により実行するステップと、
を更に有する、請求項9又は請求項10に記載の方法。 - 前記発光装置は複数の光源を有し、前記調光するステップは異なる強度レベルで光を放出するために前記複数の光源における少なくとも2つの光源を調光するステップを有し、これら強度レベルは各光源と前記第1導光器の前記第1光出射面との間の距離の増加に伴い減少する、請求項9ないし11の何れか一項に記載の方法。
- 前記発光装置は複数の光源を有し、前記調光するステップは前記複数の光源における少なくとも2つの光源の各グループを、前記第1導光器の前記第1光出射面から最大の距離に配置された少なくとも2つの光源のグループから開始して1つずつ調光するステップを有する、請求項9ないし12の何れか一項に記載の方法。
- 前記発光装置の前記第1導光器は少なくとも1つの他の光出射面を有し、前記調光するステップは前記少なくとも2つの光源を、該少なくとも2つの光源のうちの前記第1光入射面上の点の最も近くに配置された光源から開始して、1つずつ調光するステップを有し、前記点は前記光出射面の各々までの垂直な距離が可能な限り最大である位置に配置され、ここで、前記光出射面の各々までの垂直な距離には等しい重みが付与される、請求項9ないし13の何れか一項に記載の方法。
- 請求項1ないし8の何れか一項に記載の発光装置を有する、ランプ、照明器具又はプロジェクタ。
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PCT/EP2014/065194 WO2015007755A2 (en) | 2013-07-19 | 2014-07-16 | A light emitting device and a method for dimming a light emitting device |
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WO2015074867A1 (en) * | 2013-11-19 | 2015-05-28 | Koninklijke Philips N.V. | Light emitting device with spectral conversion element |
CN107110432B (zh) * | 2014-10-07 | 2020-02-04 | 飞利浦照明控股有限公司 | 用于发光光导的颜色控制 |
JP6597200B2 (ja) * | 2015-06-17 | 2019-10-30 | 株式会社リコー | 照明装置及び画像投射装置 |
KR102539024B1 (ko) * | 2015-06-25 | 2023-06-02 | 루미리즈 홀딩 비.브이. | 발광 다이오드 모듈 및 발광 다이오드 모듈을 형성하는 방법 |
US9979478B2 (en) * | 2015-11-26 | 2018-05-22 | Ping-Hung Yin | Pico projector with visible light communication (VLC) and method for VLC using the same |
WO2019008092A1 (en) | 2017-07-07 | 2019-01-10 | Philips Lighting Holding B.V. | CONCENTRATING MODULE OF LIGHT |
JP7043002B2 (ja) * | 2018-03-15 | 2022-03-29 | 豊田合成株式会社 | 発光装置 |
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CN115103940A (zh) * | 2020-02-21 | 2022-09-23 | 松下知识产权经营株式会社 | 熨斗 |
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WO2007036877A2 (en) | 2005-09-30 | 2007-04-05 | Koninklijke Philips Electronics N.V. | Back light unit |
JP2007157638A (ja) * | 2005-12-08 | 2007-06-21 | Minebea Co Ltd | 光源装置およびそれを用いた画像表示装置 |
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