JPH0565980B2 - - Google Patents

Info

Publication number
JPH0565980B2
JPH0565980B2 JP9632986A JP9632986A JPH0565980B2 JP H0565980 B2 JPH0565980 B2 JP H0565980B2 JP 9632986 A JP9632986 A JP 9632986A JP 9632986 A JP9632986 A JP 9632986A JP H0565980 B2 JPH0565980 B2 JP H0565980B2
Authority
JP
Japan
Prior art keywords
alumina
phosphor layer
luminous flux
mixed
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
JP9632986A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62252059A (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 JP9632986A priority Critical patent/JPS62252059A/ja
Publication of JPS62252059A publication Critical patent/JPS62252059A/ja
Publication of JPH0565980B2 publication Critical patent/JPH0565980B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
JP9632986A 1986-04-25 1986-04-25 螢光ランプ Granted JPS62252059A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9632986A JPS62252059A (ja) 1986-04-25 1986-04-25 螢光ランプ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9632986A JPS62252059A (ja) 1986-04-25 1986-04-25 螢光ランプ

Publications (2)

Publication Number Publication Date
JPS62252059A JPS62252059A (ja) 1987-11-02
JPH0565980B2 true JPH0565980B2 (fr) 1993-09-20

Family

ID=14161969

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9632986A Granted JPS62252059A (ja) 1986-04-25 1986-04-25 螢光ランプ

Country Status (1)

Country Link
JP (1) JPS62252059A (fr)

Also Published As

Publication number Publication date
JPS62252059A (ja) 1987-11-02

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term