JPS59169054A - 電球 - Google Patents

電球

Info

Publication number
JPS59169054A
JPS59169054A JP4305183A JP4305183A JPS59169054A JP S59169054 A JPS59169054 A JP S59169054A JP 4305183 A JP4305183 A JP 4305183A JP 4305183 A JP4305183 A JP 4305183A JP S59169054 A JPS59169054 A JP S59169054A
Authority
JP
Japan
Prior art keywords
bulb
refractive index
light
metal oxide
reflective 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.)
Granted
Application number
JP4305183A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0522336B2 (enExample
Inventor
力 渡辺
晃 川勝
文夫 山本
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP4305183A priority Critical patent/JPS59169054A/ja
Publication of JPS59169054A publication Critical patent/JPS59169054A/ja
Publication of JPH0522336B2 publication Critical patent/JPH0522336B2/ja
Granted legal-status Critical Current

Links

JP4305183A 1983-03-17 1983-03-17 電球 Granted JPS59169054A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4305183A JPS59169054A (ja) 1983-03-17 1983-03-17 電球

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4305183A JPS59169054A (ja) 1983-03-17 1983-03-17 電球

Publications (2)

Publication Number Publication Date
JPS59169054A true JPS59169054A (ja) 1984-09-22
JPH0522336B2 JPH0522336B2 (enExample) 1993-03-29

Family

ID=12653076

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4305183A Granted JPS59169054A (ja) 1983-03-17 1983-03-17 電球

Country Status (1)

Country Link
JP (1) JPS59169054A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002021572A1 (en) * 2000-09-07 2002-03-14 Matsushita Electric Industrial Co., Ltd. Thin film producing method and light bulb having such thin film

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5058885A (enExample) * 1973-09-20 1975-05-21
JPS5481688A (en) * 1977-12-13 1979-06-29 Toshiba Corp Incandescent lamp
JPS54112582A (en) * 1978-02-20 1979-09-03 Matsushita Electronics Corp Bulb
JPS57119454A (en) * 1981-01-16 1982-07-24 Tokyo Shibaura Electric Co Halogen lamp and method of producing same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5058885A (enExample) * 1973-09-20 1975-05-21
JPS5481688A (en) * 1977-12-13 1979-06-29 Toshiba Corp Incandescent lamp
JPS54112582A (en) * 1978-02-20 1979-09-03 Matsushita Electronics Corp Bulb
JPS57119454A (en) * 1981-01-16 1982-07-24 Tokyo Shibaura Electric Co Halogen lamp and method of producing same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002021572A1 (en) * 2000-09-07 2002-03-14 Matsushita Electric Industrial Co., Ltd. Thin film producing method and light bulb having such thin film
US6911125B2 (en) 2000-09-07 2005-06-28 Matsushita Electric Industrial Co., Ltd. Thin film producing method and light bulb having such thin film

Also Published As

Publication number Publication date
JPH0522336B2 (enExample) 1993-03-29

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