WO2007107917A3 - Electroluminescent device - Google Patents

Electroluminescent device Download PDF

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Publication number
WO2007107917A3
WO2007107917A3 PCT/IB2007/050841 IB2007050841W WO2007107917A3 WO 2007107917 A3 WO2007107917 A3 WO 2007107917A3 IB 2007050841 W IB2007050841 W IB 2007050841W WO 2007107917 A3 WO2007107917 A3 WO 2007107917A3
Authority
WO
WIPO (PCT)
Prior art keywords
conversion element
electroluminescent device
pores
ceramic material
primary radiation
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.)
Ceased
Application number
PCT/IB2007/050841
Other languages
French (fr)
Other versions
WO2007107917A2 (en
Inventor
Peter Schmidt
Hans-Helmut Bechtel
Wolfgang Busselt
Baby-Seriyati Schreinemacher
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.)
Philips Intellectual Property and Standards GmbH
Koninklijke Philips NV
Original Assignee
Philips Intellectual Property and Standards GmbH
Koninklijke Philips Electronics NV
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
Application filed by Philips Intellectual Property and Standards GmbH, Koninklijke Philips Electronics NV filed Critical Philips Intellectual Property and Standards GmbH
Priority to AT07735092T priority Critical patent/ATE542248T1/en
Priority to EP20070735092 priority patent/EP1999231B1/en
Priority to CN2007800100493A priority patent/CN101405368B/en
Priority to JP2009500980A priority patent/JP5049336B2/en
Priority to US12/293,099 priority patent/US8829779B2/en
Publication of WO2007107917A2 publication Critical patent/WO2007107917A2/en
Publication of WO2007107917A3 publication Critical patent/WO2007107917A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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  • Chemical & Material Sciences (AREA)
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  • Organic Chemistry (AREA)
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  • Inorganic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Luminescent Compositions (AREA)
  • Electroluminescent Light Sources (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

A conversion element (3) comprising a ceramic material (31) with a multiplicity of pores (32) provided for at least the partial absorption of at least one primary radiation (52) and for transforming the primary radiation (52) into at least one secondary radiation (53), wherein the conversion element (3) has a density greater than or equal to 97% of the theoretical solid-state density of the ceramic material (31), and the pores (32) in the conversion element (3) have a diameter substantially between 200 nm and 5000 nm.
PCT/IB2007/050841 2006-03-21 2007-03-13 Electroluminescent device Ceased WO2007107917A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT07735092T ATE542248T1 (en) 2006-03-21 2007-03-13 ELECTROLUMINESCENCE DEVICE
EP20070735092 EP1999231B1 (en) 2006-03-21 2007-03-13 Electroluminescent device
CN2007800100493A CN101405368B (en) 2006-03-21 2007-03-13 Electroluminescent device
JP2009500980A JP5049336B2 (en) 2006-03-21 2007-03-13 Electroluminescent device
US12/293,099 US8829779B2 (en) 2006-03-21 2007-03-13 Electroluminescent device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06111437.7 2006-03-21
EP06111437 2006-03-21

Publications (2)

Publication Number Publication Date
WO2007107917A2 WO2007107917A2 (en) 2007-09-27
WO2007107917A3 true WO2007107917A3 (en) 2007-12-13

Family

ID=38328919

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2007/050841 Ceased WO2007107917A2 (en) 2006-03-21 2007-03-13 Electroluminescent device

Country Status (7)

Country Link
US (1) US8829779B2 (en)
EP (1) EP1999231B1 (en)
JP (1) JP5049336B2 (en)
CN (1) CN101405368B (en)
AT (1) ATE542248T1 (en)
RU (1) RU2436829C2 (en)
WO (1) WO2007107917A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8206672B2 (en) 2009-07-10 2012-06-26 Nitto Denko Corporation Production of phase-pure ceramic garnet particles

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* Cited by examiner, † Cited by third party
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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
US8475683B2 (en) 2006-10-20 2013-07-02 Intematix Corporation Yellow-green to yellow-emitting phosphors based on halogenated-aluminates
US9120975B2 (en) 2006-10-20 2015-09-01 Intematix Corporation Yellow-green to yellow-emitting phosphors based on terbium-containing aluminates
JP5670745B2 (en) * 2008-01-15 2015-02-18 コーニンクレッカ フィリップス エヌ ヴェ Light scattering by controlled porosity in optoceramics for LEDs
JP5631745B2 (en) * 2008-02-21 2014-11-26 日東電工株式会社 Light emitting device having translucent ceramic plate
TWI497747B (en) * 2008-06-02 2015-08-21 松下電器產業股份有限公司 Semiconductor light emitting device and light source device using the same
US8506130B2 (en) 2008-07-22 2013-08-13 Koninklijke Philips N.V. Optical element for a light emitting device and a method of manufacturing thereof
DE102008052751A1 (en) * 2008-10-22 2010-04-29 Osram Opto Semiconductors Gmbh Method for producing a luminescence conversion element, luminescence conversion element and optoelectronic component
US8137587B2 (en) 2009-02-19 2012-03-20 Nitto Denko Corporation Method of manufacturing phosphor translucent ceramics and light emitting devices
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US20090066221A1 (en) 2009-03-12
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