JPH0570902B2 - - Google Patents

Info

Publication number
JPH0570902B2
JPH0570902B2 JP11791986A JP11791986A JPH0570902B2 JP H0570902 B2 JPH0570902 B2 JP H0570902B2 JP 11791986 A JP11791986 A JP 11791986A JP 11791986 A JP11791986 A JP 11791986A JP H0570902 B2 JPH0570902 B2 JP H0570902B2
Authority
JP
Japan
Prior art keywords
alumina
phosphor layer
particle size
luminous flux
protective film
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 - Lifetime
Application number
JP11791986A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62274545A (ja
Inventor
Takashi Oosawa
Katsuo Murakami
Tadashi Yanagi
Saburo Umeda
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP11791986A priority Critical patent/JPS62274545A/ja
Publication of JPS62274545A publication Critical patent/JPS62274545A/ja
Publication of JPH0570902B2 publication Critical patent/JPH0570902B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Luminescent Compositions (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
JP11791986A 1986-05-22 1986-05-22 蛍光ランプ Granted JPS62274545A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11791986A JPS62274545A (ja) 1986-05-22 1986-05-22 蛍光ランプ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11791986A JPS62274545A (ja) 1986-05-22 1986-05-22 蛍光ランプ

Publications (2)

Publication Number Publication Date
JPS62274545A JPS62274545A (ja) 1987-11-28
JPH0570902B2 true JPH0570902B2 (fr) 1993-10-06

Family

ID=14723424

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11791986A Granted JPS62274545A (ja) 1986-05-22 1986-05-22 蛍光ランプ

Country Status (1)

Country Link
JP (1) JPS62274545A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2708169B2 (ja) * 1988-02-23 1998-02-04 株式会社東芝 鉄付活アルミン酸リチウム蛍光体の製造方法及び蛍光ランプ
US5045752A (en) * 1989-10-24 1991-09-03 General Electric Company Minimizing mercury condensation in two layer fluorescent lamps
JP4895309B2 (ja) * 2008-03-05 2012-03-14 ハリソン東芝ライティング株式会社 蛍光ランプ

Also Published As

Publication number Publication date
JPS62274545A (ja) 1987-11-28

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term