CA2345114A1 - Phosphor for light sources and associated light source - Google Patents

Phosphor for light sources and associated light source Download PDF

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Publication number
CA2345114A1
CA2345114A1 CA002345114A CA2345114A CA2345114A1 CA 2345114 A1 CA2345114 A1 CA 2345114A1 CA 002345114 A CA002345114 A CA 002345114A CA 2345114 A CA2345114 A CA 2345114A CA 2345114 A1 CA2345114 A1 CA 2345114A1
Authority
CA
Canada
Prior art keywords
phosphor
radiation
light source
component
region
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
Application number
CA002345114A
Other languages
French (fr)
Other versions
CA2345114C (en
Inventor
Franz Kummer
Franz Zwaschka
Andries Ellens
Alexandra Debray
Gunther Waitl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osram GmbH
Ams Osram International GmbH
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27219234&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2345114(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE19934126A external-priority patent/DE19934126A1/en
Priority claimed from DE19951790A external-priority patent/DE19951790A1/en
Priority claimed from DE19963791A external-priority patent/DE19963791A1/en
Application filed by Individual filed Critical Individual
Publication of CA2345114A1 publication Critical patent/CA2345114A1/en
Application granted granted Critical
Publication of CA2345114C publication Critical patent/CA2345114C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • 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
    • H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
    • H01L33/502—Wavelength conversion materials
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7715—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing cerium
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
    • C09K11/7767—Chalcogenides
    • C09K11/7769—Oxides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
    • C09K11/7774—Aluminates
    • 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
    • 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
    • H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
    • H01L33/502—Wavelength conversion materials
    • H01L33/504—Elements with two or more wavelength conversion materials

Abstract

A luminous substance for light sources, whereby the emission thereof is located within the spectral region and has a granitic structure A3B5O12. Said substance is activated with Ce. The second constituent B represents at least one of the elements Al and Ga and the first constituent contains A terbium. Preferably, a garnet having the following structure (Tb1-x-y SE-Ce y)3(Al, Ga)5O12) is used, whereby SE=Y, Gd. La and/or Lu: 0<=x<=0,5-y; and 0 < y <
0,1.

Claims (11)

1. A phosphor for excitation by a blue-emitting radiation source, the emission from which lies in the short-wave optical spectral region from 420 to 490 nm, having a garnet structure A3B5O12, the phosphor being activated with Ce as represented by A3B5O12:Ce, the second component B representing at least one of the elements Al and Ga, characterized in that the first component A contains terbium.
2. The phosphor as claimed in claim 1, characterized in that the first component A is formed predominantly or solely by terbium.
3. The phosphor as claimed in claim 1, characterized in that the phosphor can be excited by radiation in the range from 430 to 470 nm.
4. The phosphor as claimed in claim 1, characterized in that the first component, in addition to Tb, contains fractions of Y, Gd, La and/or Lu.
5. The phosphor as claimed in claim 1, characterized in that a garnet of structure (Tb1-x-y RE x Ce y)3 (Al, Ga) 5) O12 is used, where RE = Y, Gd, La and/or Lu;

0~x~0.5-y;

0 < y < 0.1.
6. The phosphor as claimed in claim 1, characterized in that the second component B additionally contains In.
7. The use of the phosphor as claimed in one of the preceding claims for excitation by a light source which emits in the blue region between 420 and 490 nm.
8. A light source which primarily emits radiation in the short-wave region of the optical spectral region between 420 and 490 nm, this radiation being partially or completely converted into longer-wave radiation by means of the phosphor as claimed in one of the preceding claims 1 to 6.
9. The light source as claimed in claim 8, characterized in that the radiation which is primarily emitted lies in the wavelength region from 430 to 470 nm.
10. The light source as claimed in claim 8, characterized in that a blue-emitting light-emitting diode, in particular based on Ga(In)N, is used as the primary radiation source.
11. A process for producing the phosphor as claimed in one of claims 1 to 6, characterized by the following process steps:

a. Comminution of the oxides and addition of a flux;
b. first annealing in forming gas;

c. milling and screening;

d. second annealing.
CA2345114A 1999-07-23 2000-07-08 Phosphor for light sources and associated light source Expired - Lifetime CA2345114C (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE19934126A DE19934126A1 (en) 1999-07-23 1999-07-23 Fluorescent oxide for forming white LEDs, includes cerium-activated garnet-based oxide with terbium addition
DE19934126.5 1999-07-23
DE19951790A DE19951790A1 (en) 1999-10-27 1999-10-27 Fluorescent for light sources and associated light source
DE19951790.8 1999-10-27
DE19963791A DE19963791A1 (en) 1999-12-30 1999-12-30 Fluorescent oxide for forming white LEDs, includes cerium-activated garnet-based oxide with terbium addition
DE19963791.1 1999-12-30
PCT/DE2000/002241 WO2001008452A1 (en) 1999-07-23 2000-07-08 Luminous substance for a light source and light source associated therewith

Publications (2)

Publication Number Publication Date
CA2345114A1 true CA2345114A1 (en) 2001-02-01
CA2345114C CA2345114C (en) 2011-08-30

Family

ID=27219234

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2345114A Expired - Lifetime CA2345114C (en) 1999-07-23 2000-07-08 Phosphor for light sources and associated light source

Country Status (10)

Country Link
US (4) US6669866B1 (en)
EP (2) EP1116418B2 (en)
JP (1) JP2003505582A (en)
KR (1) KR100431398B1 (en)
CN (2) CN100344728C (en)
AT (1) ATE252814T1 (en)
CA (1) CA2345114C (en)
DE (2) DE20023590U1 (en)
HU (1) HU228953B1 (en)
WO (1) WO2001008452A1 (en)

Families Citing this family (125)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1116419B1 (en) * 1999-07-23 2004-10-06 Osram Opto Semiconductors GmbH Luminescent array, wavelength-converting sealing material and light source
CN100344728C (en) * 1999-07-23 2007-10-24 电灯专利信托有限公司 Phosphor for light sources and associated light source
MY131962A (en) * 2001-01-24 2007-09-28 Nichia Corp Light emitting diode, optical semiconductor device, epoxy resin composition suited for optical semiconductor device, and method for manufacturing the same
US6616862B2 (en) 2001-05-21 2003-09-09 General Electric Company Yellow light-emitting halophosphate phosphors and light sources incorporating the same
US6596195B2 (en) 2001-06-01 2003-07-22 General Electric Company Broad-spectrum terbium-containing garnet phosphors and white-light sources incorporating the same
JP4032682B2 (en) * 2001-08-28 2008-01-16 三菱化学株式会社 Phosphor
US7008558B2 (en) * 2001-10-11 2006-03-07 General Electric Company Terbium or lutetium containing scintillator compositions having increased resistance to radiation damage
US6630077B2 (en) * 2001-10-11 2003-10-07 General Electric Company Terbium- or lutetium - containing garnet phosphors and scintillators for detection of high-energy radiation
WO2003034508A1 (en) * 2001-10-12 2003-04-24 Nichia Corporation Light emitting device and method for manufacture thereof
TWI226357B (en) 2002-05-06 2005-01-11 Osram Opto Semiconductors Gmbh Wavelength-converting reaction-resin, its production method, light-radiating optical component and light-radiating semiconductor-body
US6841802B2 (en) 2002-06-26 2005-01-11 Oriol, Inc. Thin film light emitting diode
KR101030068B1 (en) 2002-07-08 2011-04-19 니치아 카가쿠 고교 가부시키가이샤 Method of Manufacturing Nitride Semiconductor Device and Nitride Semiconductor Device
CN1318540C (en) * 2002-09-13 2007-05-30 北京有色金属研究总院<Del/> Blue light-excitated white phosphor powder for LED and production method thereof
JP3812525B2 (en) * 2002-09-20 2006-08-23 株式会社村田製作所 Optical magnetic field sensor
US7166162B2 (en) * 2002-09-27 2007-01-23 Murata Manufacturing Co., Ltd. Terbium type paramagnetic garnet single crystal and magneto-optical device
US6765237B1 (en) * 2003-01-15 2004-07-20 Gelcore, Llc White light emitting device based on UV LED and phosphor blend
TWI237546B (en) 2003-01-30 2005-08-01 Osram Opto Semiconductors Gmbh Semiconductor-component sending and/or receiving electromagnetic radiation and housing-basebody for such a component
TWI229125B (en) * 2003-03-28 2005-03-11 Nantex Industry Co Ltd Fluorescent material of terbium aluminum garnet and manufacturing method therefor
DE10316769A1 (en) * 2003-04-10 2004-10-28 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Luminescence conversion LED used in optical semiconductor components has LED chip emitting primary radiation in specified region which is partially or completely converted into longer wavelength radiation
US7176501B2 (en) * 2003-05-12 2007-02-13 Luxpia Co, Ltd Tb,B-based yellow phosphor, its preparation method, and white semiconductor light emitting device incorporating the same
JP4138586B2 (en) * 2003-06-13 2008-08-27 スタンレー電気株式会社 LED lamp for light source and vehicle headlamp using the same
US7088038B2 (en) * 2003-07-02 2006-08-08 Gelcore Llc Green phosphor for general illumination applications
JP2005064233A (en) * 2003-08-12 2005-03-10 Stanley Electric Co Ltd Wavelength conversion type led
JP4916651B2 (en) * 2003-08-28 2012-04-18 三菱化学株式会社 Light emitting device and phosphor
WO2005022032A1 (en) * 2003-08-28 2005-03-10 Mitsubishi Chemical Corporation Light emitting device and phosphor
JP4140042B2 (en) * 2003-09-17 2008-08-27 スタンレー電気株式会社 LED light source device using phosphor and vehicle headlamp using LED light source device
JP4402425B2 (en) * 2003-10-24 2010-01-20 スタンレー電気株式会社 Vehicle headlamp
US7252787B2 (en) 2003-10-29 2007-08-07 General Electric Company Garnet phosphor materials having enhanced spectral characteristics
US7442326B2 (en) 2003-10-29 2008-10-28 Lumination Llc Red garnet phosphors for use in LEDs
US7094362B2 (en) 2003-10-29 2006-08-22 General Electric Company Garnet phosphor materials having enhanced spectral characteristics
DE10351081A1 (en) * 2003-10-31 2005-06-09 Lite-On Technology Co. White light-emitting device, has two phosphors emitting respective yellow and red lights with preset wavelengths upon excitation by blue or blue-green LED, where yellow and red lights are mixed to white light
JP2005191420A (en) * 2003-12-26 2005-07-14 Stanley Electric Co Ltd Semiconductor light emitting device having wavelength converting layer and its manufacturing method
JP2005197329A (en) * 2004-01-05 2005-07-21 Stanley Electric Co Ltd Surface-mounting semiconductor device and its lead-frame structure
JP4504056B2 (en) * 2004-03-22 2010-07-14 スタンレー電気株式会社 Manufacturing method of semiconductor light emitting device
CN1677702A (en) * 2004-03-29 2005-10-05 斯坦雷电气株式会社 Light emitting diode
JP4229447B2 (en) * 2004-03-31 2009-02-25 スタンレー電気株式会社 Semiconductor light emitting device and manufacturing method
JP4471356B2 (en) * 2004-04-23 2010-06-02 スタンレー電気株式会社 Semiconductor light emitting device
JP4632690B2 (en) * 2004-05-11 2011-02-16 スタンレー電気株式会社 Semiconductor light emitting device and manufacturing method thereof
DE102004040468B4 (en) 2004-05-31 2022-02-03 OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung Optoelectronic semiconductor component and housing base body for such a component
US8975646B2 (en) * 2004-05-31 2015-03-10 Osram Opto Semiconductors Gmbh Optoelectronic semiconductor component and housing base for such a component
JP4583076B2 (en) * 2004-06-11 2010-11-17 スタンレー電気株式会社 Light emitting element
JP4632697B2 (en) * 2004-06-18 2011-02-16 スタンレー電気株式会社 Semiconductor light emitting device and manufacturing method thereof
US20060006366A1 (en) * 2004-07-06 2006-01-12 Vladimir Abramov Wave length shifting compositions for white emitting diode systems
JP4599111B2 (en) * 2004-07-30 2010-12-15 スタンレー電気株式会社 LED lamp for lamp light source
JP4858867B2 (en) * 2004-08-09 2012-01-18 スタンレー電気株式会社 LED and manufacturing method thereof
JP4547569B2 (en) * 2004-08-31 2010-09-22 スタンレー電気株式会社 Surface mount type LED
KR101217659B1 (en) * 2004-09-03 2013-01-02 스탠리 일렉트릭 컴퍼니, 리미티드 Electroluminescence element
JP4922555B2 (en) * 2004-09-24 2012-04-25 スタンレー電気株式会社 LED device
JP4756841B2 (en) * 2004-09-29 2011-08-24 スタンレー電気株式会社 Manufacturing method of semiconductor light emitting device
DE102004047640A1 (en) 2004-09-30 2006-04-13 Osram Opto Semiconductors Gmbh Optoelectronic component and housing for an optoelectronic component
DE102005046420B4 (en) * 2004-10-04 2019-07-11 Stanley Electric Co. Ltd. A method of manufacturing a semiconductor light-emitting device
KR100485673B1 (en) * 2004-10-11 2005-04-27 씨엠에스테크놀로지(주) White photoluminescence device
JP4627177B2 (en) * 2004-11-10 2011-02-09 スタンレー電気株式会社 LED manufacturing method
JP2006140281A (en) * 2004-11-11 2006-06-01 Stanley Electric Co Ltd Power led and its manufacturing method
JP2006190888A (en) * 2005-01-07 2006-07-20 Stanley Electric Co Ltd Surface mounting led
US7648649B2 (en) 2005-02-02 2010-01-19 Lumination Llc Red line emitting phosphors for use in led applications
US7497973B2 (en) 2005-02-02 2009-03-03 Lumination Llc Red line emitting phosphor materials for use in LED applications
US7358542B2 (en) * 2005-02-02 2008-04-15 Lumination Llc Red emitting phosphor materials for use in LED and LCD applications
US20070114562A1 (en) * 2005-11-22 2007-05-24 Gelcore, Llc Red and yellow phosphor-converted LEDs for signal applications
JP4779384B2 (en) * 2005-02-28 2011-09-28 三菱化学株式会社 Ce-activated rare earth aluminate-based phosphor and light emitting device using the same
CN101128563B (en) * 2005-02-28 2012-05-23 三菱化学株式会社 Phosphor, its manufacturing method and application
US7274045B2 (en) 2005-03-17 2007-09-25 Lumination Llc Borate phosphor materials for use in lighting applications
JP2006261540A (en) * 2005-03-18 2006-09-28 Stanley Electric Co Ltd Light emitting device
TWI249867B (en) * 2005-03-24 2006-02-21 Lighthouse Technology Co Ltd Light-emitting diode package, cold cathode fluorescence lamp and photoluminescence material thereof
US7252789B2 (en) * 2005-03-31 2007-08-07 General Electric Company High-density scintillators for imaging system and method of making same
US7329371B2 (en) * 2005-04-19 2008-02-12 Lumination Llc Red phosphor for LED based lighting
DE102005046450A1 (en) 2005-09-28 2007-04-05 Osram Opto Semiconductors Gmbh Optoelectronic semiconductor chip, method for its production and optoelectronic component
JP2007096079A (en) * 2005-09-29 2007-04-12 Stanley Electric Co Ltd Semiconductor light emitting device
DE102005049685A1 (en) 2005-10-14 2007-04-19 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Multifunction vehicle headlamp module, in particular for the front area of a vehicle
KR20080106402A (en) 2006-01-05 2008-12-05 일루미텍스, 인크. Separate optical device for directing light from an led
CN100590172C (en) 2006-07-26 2010-02-17 北京有色金属研究总院 Siliceous LED fluorescent powder and manufacturing method and produced luminescent device
EP2070123A2 (en) 2006-10-02 2009-06-17 Illumitex, Inc. Led system and method
JP5399252B2 (en) * 2006-10-18 2014-01-29 コーニンクレッカ フィリップス エヌ ヴェ Lighting system and display device
US8529791B2 (en) 2006-10-20 2013-09-10 Intematix Corporation Green-emitting, garnet-based phosphors in general and backlighting applications
US8133461B2 (en) * 2006-10-20 2012-03-13 Intematix Corporation Nano-YAG:Ce phosphor compositions and their methods of preparation
US9120975B2 (en) 2006-10-20 2015-09-01 Intematix Corporation Yellow-green to yellow-emitting phosphors based on terbium-containing aluminates
US8475683B2 (en) 2006-10-20 2013-07-02 Intematix Corporation Yellow-green to yellow-emitting phosphors based on halogenated-aluminates
CN101182416B (en) 2006-11-13 2010-09-22 北京有色金属研究总院 Aluminate phosphor containing divalent metal element as well as manufacturing method and luminescent device
CN101669219B (en) * 2006-12-22 2011-10-05 昆南诺股份有限公司 Led with upstanding nanowire structure and method of producing such
DE102007010719A1 (en) * 2007-03-06 2008-09-11 Merck Patent Gmbh Phosphors consisting of doped garnets for pcLEDs
TWI378138B (en) * 2007-04-02 2012-12-01 Univ Nat Chiao Tung Green-emitting phosphors and process for producing the same
TWI429731B (en) 2007-07-16 2014-03-11 Lumination Llc Red line emitting complex fluoride phosphors activated with mn4+
TWI384052B (en) * 2007-07-25 2013-02-01 Univ Nat Chiao Tung A novel phosphor and fabrication of the same
DE102007049005A1 (en) 2007-09-11 2009-03-12 Osram Opto Semiconductors Gmbh Radiating device, especially a light-emitting diode, has a layer emitting primary radiation and a conversion layer comprising two materials which convert this radiation into first and second secondary radiation
US8018139B2 (en) * 2007-11-05 2011-09-13 Enertron, Inc. Light source and method of controlling light spectrum of an LED light engine
US9041285B2 (en) 2007-12-14 2015-05-26 Cree, Inc. Phosphor distribution in LED lamps using centrifugal force
US8167674B2 (en) 2007-12-14 2012-05-01 Cree, Inc. Phosphor distribution in LED lamps using centrifugal force
EP2240968A1 (en) 2008-02-08 2010-10-20 Illumitex, Inc. System and method for emitter layer shaping
US7868340B2 (en) 2008-05-30 2011-01-11 Bridgelux, Inc. Method and apparatus for generating white light from solid state light emitting devices
JP5152502B2 (en) * 2008-06-09 2013-02-27 スタンレー電気株式会社 Lamp
US7990040B2 (en) * 2008-06-11 2011-08-02 General Electric Company Phosphor for high CRI lamps
DE102008033394B4 (en) 2008-07-16 2018-01-25 Osram Oled Gmbh Component with a first and a second substrate
JP5521412B2 (en) * 2008-07-31 2014-06-11 日立金属株式会社 Fluorescent material, scintillator and radiation detector using the same
CN101649486B (en) * 2008-08-11 2013-03-20 元亮科技有限公司 Device and method for growing terbium gallium garnet (TGG) crystal by pulling method
TW201034256A (en) 2008-12-11 2010-09-16 Illumitex Inc Systems and methods for packaging light-emitting diode devices
RU2011142752A (en) * 2009-03-23 2013-04-27 Конинклейке Филипс Электроникс Н.В. LIGHTING EQUIPMENT WITH LUMINESCENT ENVIRONMENT, RELEVANT LIGHTING SYSTEM, CONTAINING LIGHT-Emitting DEVICE, AND RELATED LUMINESCENT ENVIRONMENT
DE102009020569B4 (en) * 2009-05-08 2019-02-21 Schott Ag Phosphors based on Eu2 + (co) doped yttrium aluminum garnet crystals and their use
US8449128B2 (en) 2009-08-20 2013-05-28 Illumitex, Inc. System and method for a lens and phosphor layer
US8585253B2 (en) 2009-08-20 2013-11-19 Illumitex, Inc. System and method for color mixing lens array
WO2011123538A2 (en) 2010-03-31 2011-10-06 Osram Sylvania Inc. Phosphor and leds containing same
CN102277172B (en) * 2010-06-13 2013-11-27 海洋王照明科技股份有限公司 Rare earth luminescent material and its preparation method
US9133392B2 (en) 2010-07-22 2015-09-15 Osram Opto Semiconductors Gmbh Garnet material, method for its manufacturing and radiation-emitting component comprising the garnet material
US9140415B2 (en) 2010-12-21 2015-09-22 Koninklijke Philips N.V. Lighting device with polymer containing matrices
CN102140690B (en) * 2010-12-31 2013-05-01 陈哲艮 Photoluminescent wafer as well as preparation method and application thereof
CN105754601A (en) * 2011-03-08 2016-07-13 英特曼帝克司公司 Yellow-green to yellow-emitting phosphors based on halogenated-aluminates and use thereof
CN103703102B (en) 2011-07-05 2015-09-30 松下电器产业株式会社 Rare earth class aluminium garnet type fluor and employ the light-emitting device of this fluor
TWI515922B (en) * 2011-10-25 2016-01-01 奇美實業股份有限公司 Fluorescent material and light-emitting device using the same
TWI538980B (en) * 2011-11-29 2016-06-21 奇美實業股份有限公司 Fluorescent material and light-emitting device using the same
CN104350126B (en) 2012-06-08 2017-08-25 飞利浦照明控股有限公司 The lighting apparatus of polymer with the part containing luminophore
CN103045259B (en) * 2012-12-20 2014-10-15 华东师范大学 Oxynitride fluorescent powder, preparation method thereof and LED light source including same
WO2014097527A1 (en) 2012-12-20 2014-06-26 パナソニック株式会社 Rare earth aluminum garnet-type inorganic oxide, phosphor and light-emitting device using same
CN104870607A (en) * 2012-12-28 2015-08-26 英特曼帝克司公司 Yellow-green to yellow-emitting phosphors based on terbium-containing aluminates
US9976080B2 (en) 2013-03-08 2018-05-22 Panasonic Intellectual Property Management Co., Ltd. Rare earth aluminum garnet-type inorganic oxide, phosphor and light-emitting device using same
EP2985333B1 (en) * 2013-04-12 2019-10-30 Hitachi Metals, Ltd. Fluorescent material, scintillator and radiation conversion panel
KR101496718B1 (en) * 2013-04-15 2015-03-02 주식회사 포스포 Phosphor and light emitting device
WO2015099145A1 (en) * 2013-12-27 2015-07-02 国立大学法人京都大学 Phosphor and method for producing phosphor
CN108495898B (en) 2016-01-14 2020-10-27 巴斯夫欧洲公司 Perylene bisimides with rigid 2,2' -biphenyloxy bridges
JP6928424B2 (en) * 2016-02-24 2021-09-01 日亜化学工業株式会社 Fluorescent material and light emitting device
DE102016116016A1 (en) 2016-08-29 2018-03-01 Osram Gmbh Phosphor, use of a phosphor, and method of making a phosphor
US11441036B2 (en) 2016-10-06 2022-09-13 Basf Se 2-phenylphenoxy-substituted perylene bisimide compounds and their use
JP6863071B2 (en) * 2017-05-19 2021-04-21 日亜化学工業株式会社 Fluorescent material and light emitting device having a composition of rare earth aluminum gallium salt
JP2017222868A (en) * 2017-07-06 2017-12-21 インテマティックス・コーポレーションＩｎｔｅｍａｔｉｘ Ｃｏｒｐｏｒａｔｉｏｎ Terbium-containing aluminate-based yellowish green to yellow light-emitting fluophor
KR20200100702A (en) 2017-12-19 2020-08-26 바스프 에스이 Cyanoaryl-substituted benz(OT)oxanthene compounds
TWI821256B (en) 2018-03-20 2023-11-11 德商巴地斯顏料化工廠 Yellow light emitting device, use thereof, and method for providing yellow light
CN109592978B (en) * 2018-12-03 2021-07-23 江苏师范大学 Warm white light high-color rendering index fluorescent ceramic for high-power LED/LD illumination and preparation method and application thereof

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS493629B1 (en) * 1969-10-13 1974-01-28
JPS493631B1 (en) * 1969-10-16 1974-01-28
JPS5443380B2 (en) 1972-04-20 1979-12-19
JPS5720623B2 (en) 1972-04-20 1982-04-30
GB1600492A (en) 1977-01-19 1981-10-14 Johnson Matthey Co Ltd Luminescent materials
NL7707008A (en) 1977-06-24 1978-12-28 Philips Nv LUMINESCENCE SCREEN.
FI72837C (en) 1983-04-25 1987-07-10 Philips Nv Low pressure kvicksilverångurladdningslamp
US4550256A (en) 1983-10-17 1985-10-29 At&T Bell Laboratories Visual display system utilizing high luminosity single crystal garnet material
US4757232A (en) 1985-01-16 1988-07-12 American Telephone And Telegraph Company, At&T Bell Laboratories Visual display system comprising epitaxial terbium-activated garnet material
KR950009041B1 (en) 1985-12-16 1995-08-14 가세이옾토닉스 가부시끼가이샤 Luminous compositions and process for their preparation and fluorescent lamp
JPH01108295A (en) * 1987-10-19 1989-04-25 Nichia Chem Ind Ltd Green fluorescent phosphor for projection tube
EP1439586B1 (en) 1996-06-26 2014-03-12 OSRAM Opto Semiconductors GmbH Light-emitting semiconductor component with luminescence conversion element
DE19638667C2 (en) * 1996-09-20 2001-05-17 Osram Opto Semiconductors Gmbh Mixed-color light-emitting semiconductor component with luminescence conversion element
TW383508B (en) 1996-07-29 2000-03-01 Nichia Kagaku Kogyo Kk Light emitting device and display
JP3246386B2 (en) * 1997-03-05 2002-01-15 日亜化学工業株式会社 Light emitting diode and color conversion mold member for light emitting diode
CN1101442C (en) * 1998-11-23 2003-02-12 中国科学院长春物理研究所 Green fluorescent body of rare-earth and garnet and its preparing process
CN100344728C (en) * 1999-07-23 2007-10-24 电灯专利信托有限公司 Phosphor for light sources and associated light source
EP1206802B1 (en) * 2000-05-29 2008-03-19 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Led-based white-light emitting lighting unit
US6596195B2 (en) * 2001-06-01 2003-07-22 General Electric Company Broad-spectrum terbium-containing garnet phosphors and white-light sources incorporating the same
US6630077B2 (en) * 2001-10-11 2003-10-07 General Electric Company Terbium- or lutetium - containing garnet phosphors and scintillators for detection of high-energy radiation

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