WO2006022792A3 - Novel silicate-based yellow-green phosphors - Google Patents

Novel silicate-based yellow-green phosphors Download PDF

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Publication number
WO2006022792A3
WO2006022792A3 PCT/US2004/039638 US2004039638W WO2006022792A3 WO 2006022792 A3 WO2006022792 A3 WO 2006022792A3 US 2004039638 W US2004039638 W US 2004039638W WO 2006022792 A3 WO2006022792 A3 WO 2006022792A3
Authority
WO
WIPO (PCT)
Prior art keywords
phosphor
novel
light
group
green phosphors
Prior art date
Application number
PCT/US2004/039638
Other languages
French (fr)
Other versions
WO2006022792A2 (en
Inventor
Ning Wang
Yi Dong
Shifan Cheng
Yi-Qun Li
Original Assignee
Intematix Corp
Ning Wang
Yi Dong
Shifan Cheng
Yi-Qun Li
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
Priority claimed from US10/912,741 external-priority patent/US7267787B2/en
Application filed by Intematix Corp, Ning Wang, Yi Dong, Shifan Cheng, Yi-Qun Li filed Critical Intematix Corp
Priority to EP04816996A priority Critical patent/EP1778816A4/en
Priority to AU2004322659A priority patent/AU2004322659B2/en
Priority to CA2575841A priority patent/CA2575841C/en
Priority to CN200480043986.5A priority patent/CN101292009B/en
Priority to MX2007001446A priority patent/MX2007001446A/en
Priority to BRPI0418982-5A priority patent/BRPI0418982A/en
Publication of WO2006022792A2 publication Critical patent/WO2006022792A2/en
Publication of WO2006022792A3 publication Critical patent/WO2006022792A3/en

Links

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
    • C09K11/0883—Arsenides; Nitrides; Phosphides
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/02—Slide fasteners with a series of separate interlocking members secured to each stringer tape
    • A44B19/04—Stringers arranged edge-to-edge when fastened, e.g. abutting stringers
    • 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
    • C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing europium
    • C09K11/7734—Aluminates
    • 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
    • C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing europium
    • C09K11/77342—Silicates
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44D—INDEXING SCHEME RELATING TO BUTTONS, PINS, BUCKLES OR SLIDE FASTENERS, AND TO JEWELLERY, BRACELETS OR OTHER PERSONAL ADORNMENTS
    • A44D2203/00—Fastening by use of magnets
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Abstract

Novel phosphor systems are disclosed having the formula A2SiO4:Eu2+D, where A is at least one of a divalent metal selected from the group consisting of Sr, Ca, Ba, Mg, Zn, and Cd; and D is a dopant selected from the group consisting of F, Cl, Br, I, P, S and N. In one embodiment, the novel phosphor has the formula (Sr1-x-yBaxMy)2 SiO4: Eu2+F (where M is one of Ca, Mg, Zn, or Cd in an amount ranging from 0<y<0.5). The phosphor is configured to absorb visible light from a blue LED, and luminescent light from the phosphor plus light from the blue LED may be combined to form white light. The novel phosphors can emit light at intensities greater than either conventionally known YAG compounds, or silicate-based phosphors that do not contain the inventive dopant ion.
PCT/US2004/039638 2004-08-04 2004-11-24 Novel silicate-based yellow-green phosphors WO2006022792A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP04816996A EP1778816A4 (en) 2004-08-04 2004-11-24 Novel silicate-based yellow-green phosphors
AU2004322659A AU2004322659B2 (en) 2004-08-04 2004-11-24 Novel silicate-based yellow-green phosphors
CA2575841A CA2575841C (en) 2004-08-04 2004-11-24 Novel silicate-based yellow-green phosphors
CN200480043986.5A CN101292009B (en) 2004-08-04 2004-11-24 Novel silicate-based yellow-green phosphors
MX2007001446A MX2007001446A (en) 2004-08-04 2004-11-24 Novel silicate-based yellow-green phosphors.
BRPI0418982-5A BRPI0418982A (en) 2004-08-04 2004-11-24 new yellow-green silicate-based matches

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10/912,741 US7267787B2 (en) 2004-08-04 2004-08-04 Phosphor systems for a white light emitting diode (LED)
US10/912,741 2004-08-04
US10/948,764 2004-09-22
US10/948,764 US7311858B2 (en) 2004-08-04 2004-09-22 Silicate-based yellow-green phosphors

Publications (2)

Publication Number Publication Date
WO2006022792A2 WO2006022792A2 (en) 2006-03-02
WO2006022792A3 true WO2006022792A3 (en) 2006-05-18

Family

ID=35756730

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/039638 WO2006022792A2 (en) 2004-08-04 2004-11-24 Novel silicate-based yellow-green phosphors

Country Status (9)

Country Link
US (1) US7311858B2 (en)
EP (1) EP1778816A4 (en)
KR (4) KR100538104B1 (en)
AU (1) AU2004322659B2 (en)
BR (1) BRPI0418982A (en)
CA (1) CA2575841C (en)
MX (1) MX2007001446A (en)
TW (1) TWI374926B (en)
WO (1) WO2006022792A2 (en)

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US9546765B2 (en) 2010-10-05 2017-01-17 Intematix Corporation Diffuser component having scattering particles
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