TW200631202A - Light emitting device with conversion structure - Google Patents
Light emitting device with conversion structureInfo
- Publication number
- TW200631202A TW200631202A TW094140111A TW94140111A TW200631202A TW 200631202 A TW200631202 A TW 200631202A TW 094140111 A TW094140111 A TW 094140111A TW 94140111 A TW94140111 A TW 94140111A TW 200631202 A TW200631202 A TW 200631202A
- Authority
- TW
- Taiwan
- Prior art keywords
- conversion structure
- emitting device
- light emitting
- light
- conversion
- Prior art date
Links
Classifications
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04105908 | 2004-11-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200631202A true TW200631202A (en) | 2006-09-01 |
TWI400816B TWI400816B (zh) | 2013-07-01 |
Family
ID=35781207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW094140111A TWI400816B (zh) | 2004-11-18 | 2005-11-15 | 具轉換結構之發光裝置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7982229B2 (zh) |
EP (1) | EP1815532B1 (zh) |
JP (1) | JP2008521233A (zh) |
CN (1) | CN100472827C (zh) |
AT (1) | ATE398836T1 (zh) |
DE (1) | DE602005007629D1 (zh) |
TW (1) | TWI400816B (zh) |
WO (1) | WO2006054203A1 (zh) |
Cited By (2)
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TWI676851B (zh) * | 2018-08-22 | 2019-11-11 | 隆達電子股份有限公司 | 畫素陣列封裝結構及顯示面板 |
US11537036B2 (en) | 2018-08-10 | 2022-12-27 | Sony Corporation | Light source apparatus and projector |
Families Citing this family (74)
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WO2007122543A2 (en) * | 2006-04-26 | 2007-11-01 | Philips Intellectual Property & Standards Gmbh | Light delivery device with improved conversion element |
JP2010509752A (ja) * | 2006-11-06 | 2010-03-25 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 反射エッジを備える波長変換要素 |
WO2012073887A1 (ja) * | 2010-11-30 | 2012-06-07 | パナソニック株式会社 | 蛍光体及び発光装置 |
WO2014155227A1 (en) | 2013-03-29 | 2014-10-02 | Koninklijke Philips N.V. | Light emitting device comprising wavelength converter |
WO2014155250A1 (en) | 2013-03-29 | 2014-10-02 | Koninklijke Philips N.V. | Light emitting device comprising wavelength converter |
US10788678B2 (en) | 2013-05-17 | 2020-09-29 | Excelitas Canada, Inc. | High brightness solid state illumination system for fluorescence imaging and analysis |
WO2014198619A1 (en) | 2013-06-14 | 2014-12-18 | Koninklijke Philips N.V. | Light emitting device |
CN105393046B (zh) * | 2013-07-19 | 2019-04-23 | 飞利浦照明控股有限公司 | 发光设备和用于对发光设备进行调光的方法 |
JP6637892B2 (ja) * | 2014-01-02 | 2020-01-29 | シグニファイ ホールディング ビー ヴィSignify Holding B.V. | 離脱式波長変換器を含む発光デバイス |
EP3047527B1 (en) | 2014-01-28 | 2017-11-29 | Philips Lighting Holding B.V. | A light emitting device |
WO2015173026A2 (en) * | 2014-05-14 | 2015-11-19 | Koninklijke Philips N.V. | A light emitting device |
DE102014107345A1 (de) * | 2014-05-26 | 2015-11-26 | Hella Kgaa Hueck & Co. | Beleuchtungsvorrichtung für Fahrzeuge |
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CN108368975B (zh) | 2015-12-11 | 2021-05-11 | 昕诺飞控股有限公司 | 堆叠式发光聚光器 |
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JP6549805B2 (ja) | 2016-03-15 | 2019-07-24 | シグニファイ ホールディング ビー ヴィ | 高強度照明用の複合放物面型コリメータアレイ |
US11482034B2 (en) | 2016-11-07 | 2022-10-25 | Koninklijke Philips N.V. | Device and method for physiological parameter detection |
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US20200041885A1 (en) | 2017-02-17 | 2020-02-06 | Signify Holding B.V. | Light concentrator module |
WO2018177760A1 (en) | 2017-03-28 | 2018-10-04 | Philips Lighting Holding B.V. | Light concentrator module with high refractive index interconnect |
JP6919269B2 (ja) | 2017-03-29 | 2021-08-18 | セイコーエプソン株式会社 | 光源装置及びプロジェクター |
JP6926589B2 (ja) | 2017-03-29 | 2021-08-25 | セイコーエプソン株式会社 | 光源装置及びプロジェクター |
WO2018210735A1 (en) | 2017-05-16 | 2018-11-22 | Philips Lighting Holding B.V. | Color mixing in laser-based light source |
US10920939B2 (en) | 2017-07-07 | 2021-02-16 | Signify Holding B.V. | Light concentrator module |
EP3649399B1 (en) | 2017-07-07 | 2021-09-08 | Signify Holding B.V. | Lighting device comprising a light source and a luminescent element comprising an elongated light transmissive body |
WO2019008073A1 (en) | 2017-07-07 | 2019-01-10 | Philips Lighting Holding B.V. | LIGHTING DEVICE |
WO2019008092A1 (en) | 2017-07-07 | 2019-01-10 | Philips Lighting Holding B.V. | CONCENTRATING MODULE OF LIGHT |
JP6764548B2 (ja) | 2017-07-18 | 2020-09-30 | シグニファイ ホールディング ビー ヴィSignify Holding B.V. | 画素化高輝度光エンジン |
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JP6788147B1 (ja) | 2017-09-21 | 2020-11-18 | シグニファイ ホールディング ビー ヴィSignify Holding B.V. | Cpc、光ガイド、及び追加的蛍光体を有するルミネッセンス集光器 |
JP7086185B2 (ja) | 2017-10-19 | 2022-06-17 | シグニファイ ホールディング ビー ヴィ | 投影照明のための増強された白色光 |
EP3711288A1 (en) | 2017-11-14 | 2020-09-23 | Signify Holding B.V. | Solid state light sources enabling digital spokes when used with a color wheel |
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CN110865504B (zh) | 2018-08-27 | 2021-08-17 | 精工爱普生株式会社 | 光源装置和投影仪 |
JP2020042133A (ja) | 2018-09-10 | 2020-03-19 | セイコーエプソン株式会社 | 光源装置およびプロジェクター |
WO2020078790A1 (en) | 2018-10-16 | 2020-04-23 | Signify Holding B.V. | Hld module with improved thermal performance |
WO2020089246A1 (en) | 2018-11-01 | 2020-05-07 | Signify Holding B.V. | Lcd engine architecture |
US11067734B2 (en) * | 2018-11-18 | 2021-07-20 | Juganu Ltd. | Illumination device having a plurality of different colored LEDs coupled to a solid waveguide |
JP6881423B2 (ja) | 2018-11-22 | 2021-06-02 | セイコーエプソン株式会社 | 光源装置およびプロジェクター |
US11215747B2 (en) | 2018-11-30 | 2022-01-04 | Seiko Epson Corporation | Light source device and electronic apparatus |
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CN113433782B (zh) | 2020-03-23 | 2022-11-18 | 精工爱普生株式会社 | 光源装置和投影仪 |
JP7127662B2 (ja) | 2020-03-26 | 2022-08-30 | セイコーエプソン株式会社 | 光源装置およびプロジェクター |
WO2021219442A1 (en) | 2020-04-30 | 2021-11-04 | Signify Holding B.V. | High intensity light source with high cri for low ctt using green laser pumped phosphor |
JP2023527248A (ja) | 2020-06-16 | 2023-06-27 | シグニファイ ホールディング ビー ヴィ | 高いcriを有する高強度光源 |
GB2599370A (en) | 2020-09-25 | 2022-04-06 | Coolled Ltd | Spectral output homogenising apparatus |
WO2022096271A1 (en) | 2020-11-03 | 2022-05-12 | Signify Holding B.V. | Laser phosphor lighting device providing beam shaping using concentric fibers |
EP4109527A1 (en) * | 2021-06-25 | 2022-12-28 | Centre national de la recherche scientifique | Light emitting device comprising a cooling system |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6392341B2 (en) * | 1993-07-20 | 2002-05-21 | University Of Georgia Research Foundation, Inc. | Resonant microcavity display with a light distribution element |
JPH07176794A (ja) | 1993-12-17 | 1995-07-14 | Nichia Chem Ind Ltd | 面状光源 |
US5590147A (en) * | 1994-12-19 | 1996-12-31 | The Morgan Curcible Company Plc | Side-pumped lasers |
DE19638667C2 (de) | 1996-09-20 | 2001-05-17 | Osram Opto Semiconductors Gmbh | Mischfarbiges Licht abstrahlendes Halbleiterbauelement mit Lumineszenzkonversionselement |
CN1276917A (zh) * | 1997-09-25 | 2000-12-13 | 布里斯托尔大学 | 光学辐照装置 |
US5982092A (en) | 1997-10-06 | 1999-11-09 | Chen; Hsing | Light Emitting Diode planar light source with blue light or ultraviolet ray-emitting luminescent crystal with optional UV filter |
US6273589B1 (en) * | 1999-01-29 | 2001-08-14 | Agilent Technologies, Inc. | Solid state illumination source utilizing dichroic reflectors |
JP3421621B2 (ja) * | 1999-12-24 | 2003-06-30 | 三洋電機株式会社 | 面光源装置 |
US6538371B1 (en) | 2000-03-27 | 2003-03-25 | The General Electric Company | White light illumination system with improved color output |
DE10026435A1 (de) * | 2000-05-29 | 2002-04-18 | Osram Opto Semiconductors Gmbh | Kalzium-Magnesium-Chlorosilikat-Leuchtstoff und seine Anwendung bei Lumineszenz-Konversions-LED |
JP2001343531A (ja) * | 2000-05-30 | 2001-12-14 | Canon Inc | 照明装置、この照明装置を有するイメージセンサーおよびこのイメージセンサーを用いた画像読取装置ならびに情報処理システム |
JP2002190622A (ja) * | 2000-12-22 | 2002-07-05 | Sanken Electric Co Ltd | 発光ダイオード用透光性蛍光カバー |
US6541800B2 (en) | 2001-02-22 | 2003-04-01 | Weldon Technologies, Inc. | High power LED |
US6945672B2 (en) | 2002-08-30 | 2005-09-20 | Gelcore Llc | LED planar light source and low-profile headlight constructed therewith |
US7554258B2 (en) | 2002-10-22 | 2009-06-30 | Osram Opto Semiconductors Gmbh | Light source having an LED and a luminescence conversion body and method for producing the luminescence conversion body |
JP4040955B2 (ja) | 2002-11-06 | 2008-01-30 | 株式会社小糸製作所 | 車両用前照灯及びその製造方法 |
JP3930900B2 (ja) * | 2002-12-27 | 2007-06-13 | 株式会社林創研 | 照明装置 |
-
2005
- 2005-11-09 AT AT05803070T patent/ATE398836T1/de not_active IP Right Cessation
- 2005-11-09 DE DE602005007629T patent/DE602005007629D1/de active Active
- 2005-11-09 EP EP05803070A patent/EP1815532B1/en active Active
- 2005-11-09 JP JP2007542384A patent/JP2008521233A/ja active Pending
- 2005-11-09 WO PCT/IB2005/053683 patent/WO2006054203A1/en active IP Right Grant
- 2005-11-09 US US11/719,244 patent/US7982229B2/en active Active
- 2005-11-09 CN CNB2005800395823A patent/CN100472827C/zh active Active
- 2005-11-15 TW TW094140111A patent/TWI400816B/zh active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11537036B2 (en) | 2018-08-10 | 2022-12-27 | Sony Corporation | Light source apparatus and projector |
TWI676851B (zh) * | 2018-08-22 | 2019-11-11 | 隆達電子股份有限公司 | 畫素陣列封裝結構及顯示面板 |
US11367849B2 (en) | 2018-08-22 | 2022-06-21 | Lextar Electronics Corporation | Pixel array package structure and display panel |
US11778845B2 (en) | 2018-08-22 | 2023-10-03 | Lextar Electronics Corporation | Pixel array package structure and display panel |
Also Published As
Publication number | Publication date |
---|---|
JP2008521233A (ja) | 2008-06-19 |
US7982229B2 (en) | 2011-07-19 |
ATE398836T1 (de) | 2008-07-15 |
DE602005007629D1 (de) | 2008-07-31 |
EP1815532B1 (en) | 2008-06-18 |
TWI400816B (zh) | 2013-07-01 |
WO2006054203A1 (en) | 2006-05-26 |
US20090078949A1 (en) | 2009-03-26 |
CN101061591A (zh) | 2007-10-24 |
EP1815532A1 (en) | 2007-08-08 |
CN100472827C (zh) | 2009-03-25 |
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