GB1301850A - - Google Patents

Info

Publication number
GB1301850A
GB1301850A GB6130669A GB6130669A GB1301850A GB 1301850 A GB1301850 A GB 1301850A GB 6130669 A GB6130669 A GB 6130669A GB 6130669 A GB6130669 A GB 6130669A GB 1301850 A GB1301850 A GB 1301850A
Authority
GB
United Kingdom
Prior art keywords
dec
phosphors
activated
prefiring
bamg
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.)
Expired
Application number
GB6130669A
Other languages
English (en)
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 filed Critical
Publication of GB1301850A publication Critical patent/GB1301850A/en
Expired legal-status Critical Current

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
    • C09K11/77—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Luminescent Compositions (AREA)
GB6130669A 1968-12-23 1969-12-23 Expired GB1301850A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78598168A 1968-12-23 1968-12-23

Publications (1)

Publication Number Publication Date
GB1301850A true GB1301850A (en:Method) 1973-01-04

Family

ID=25137221

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6130669A Expired GB1301850A (en:Method) 1968-12-23 1969-12-23

Country Status (2)

Country Link
US (1) US3651363A (en:Method)
GB (1) GB1301850A (en:Method)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE792944A (fr) * 1971-12-18 1973-06-18 Philips Nv Ecran luminescent
NL7307628A (en:Method) * 1973-06-01 1974-12-03
US3973691A (en) * 1974-10-21 1976-08-10 Gte Sylvania Incorporated Fluorescent lamp having improved phosphor coating
US3987331A (en) * 1975-03-24 1976-10-19 Gte Sylvania Incorporated Ultraviolet emitting fluorescent lamp having internal reflector film
JPS53119287A (en) * 1977-03-28 1978-10-18 Dainippon Toryo Co Ltd Fluorescent substance
US5185180A (en) * 1989-07-31 1993-02-09 Gte Products Corporation Method of improving the maintenance of a fluorescent lamp containing europium-activated barium magnesium silicate phosphor
US5194332A (en) * 1989-07-31 1993-03-16 Gte Products Corporation Europium-activated barium magnesium silicate phosphor
JP3948757B2 (ja) * 1997-03-26 2007-07-25 ザイアオ，ジグオ ケイ酸塩長残光の発光材料及びその製造方法
US6433482B1 (en) 1998-05-11 2002-08-13 Wisconsin Alumni Research Foundation Barium light source method and apparatus
US6555958B1 (en) * 2000-05-15 2003-04-29 General Electric Company Phosphor for down converting ultraviolet light of LEDs to blue-green light
TWI228535B (en) * 2000-09-29 2005-03-01 Sumitomo Chemical Co Fluorescent substances for vacuum ultraviolet radiation excited light-emitting devices
CN100468789C (zh) * 2002-02-15 2009-03-11 三菱化学株式会社 光发射器件及使用其的照明器
JP2003306674A (ja) * 2002-04-15 2003-10-31 Sumitomo Chem Co Ltd 白色ｌｅｄ用蛍光体とそれを用いた白色ｌｅｄ
KR20060034055A (ko) * 2004-10-18 2006-04-21 엘지이노텍 주식회사 형광체 및 이를 이용한 발광소자
KR20170141706A (ko) * 2015-04-27 2017-12-26 메르크 파텐트 게엠베하 실리케이트 인광체

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB544160A (en) * 1940-08-27 1942-03-31 Gen Electric Co Ltd Improvements in luminescent materials
US2467810A (en) * 1947-06-17 1949-04-19 Sylvania Electric Prod Barium magnesium lead silicate phosphor
US3260675A (en) * 1964-07-01 1966-07-12 Westinghouse Electric Corp Calcium and magnesium silicate phosphors with activator comprising terbium
US3451941A (en) * 1965-11-17 1969-06-24 Westinghouse Electric Corp Terbium activated calcium and magnesium germanate phosphors

Also Published As

Publication number Publication date
US3651363A (en) 1972-03-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees