JPS5044678A - - Google Patents
Info
- Publication number
- JPS5044678A JPS5044678A JP49090893A JP9089374A JPS5044678A JP S5044678 A JPS5044678 A JP S5044678A JP 49090893 A JP49090893 A JP 49090893A JP 9089374 A JP9089374 A JP 9089374A JP S5044678 A JPS5044678 A JP S5044678A
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/38—Devices for influencing the colour or wavelength of the light
- H01J61/42—Devices for influencing the colour or wavelength of the light by transforming the wavelength of the light by luminescence
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
- Image Input (AREA)
- Luminescent Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US387391A US3875453A (en) | 1973-08-10 | 1973-08-10 | Lamp with high color-discrimination capability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5044678A true JPS5044678A (de) | 1975-04-22 |
| JPS5246424B2 JPS5246424B2 (de) | 1977-11-24 |
Family
ID=23529663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49090893A Expired JPS5246424B2 (de) | 1973-08-10 | 1974-08-09 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3875453A (de) |
| JP (1) | JPS5246424B2 (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5437391A (en) * | 1977-08-30 | 1979-03-19 | Toshiba Corp | Fluorescent lamp |
| JPS5438682A (en) * | 1977-09-01 | 1979-03-23 | Toshiba Corp | Fluorescent lamp |
| JPS5490879A (en) * | 1977-12-27 | 1979-07-18 | Nec Home Electronics Ltd | Fluorescent lamp |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7316494A (nl) * | 1973-12-03 | 1975-06-05 | Philips Nv | Kwikdampontladingslamp voor kleurenreproduktie volgens elektrofotografische processen. |
| GB1512812A (en) * | 1974-06-21 | 1978-06-01 | Matsushita Electronics Corp | Electric discharge devices |
| US4055781A (en) * | 1974-09-09 | 1977-10-25 | Gte Sylvania Incorporated | Special purpose fluorescent lamp |
| US3963953A (en) * | 1975-04-29 | 1976-06-15 | Westinghouse Electric Corporation | Color mismatch accentuating device |
| JPS5241484A (en) * | 1975-09-25 | 1977-03-31 | Gen Electric | Fluorescent lamp structure using two kinds of phospher |
| US4099089A (en) * | 1976-12-13 | 1978-07-04 | General Electric Company | Fluorescent lamp utilizing terbium-activated rare earth oxyhalide phosphor material |
| NL182998C (nl) * | 1977-05-06 | 1988-06-16 | Philips Nv | Lagedrukkwikdampontladingslamp. |
| US4305019A (en) * | 1979-12-31 | 1981-12-08 | Westinghouse Electric Corp. | Warm-white fluorescent lamp having good efficacy and color rendering and using special phosphor blend as separate undercoat |
| US4357559A (en) * | 1980-03-17 | 1982-11-02 | General Electric Company | Fluorescent lamp utilizing phosphor combination |
| US4360758A (en) * | 1981-01-23 | 1982-11-23 | Westinghouse Electric Corp. | High-intensity-discharge lamp of the mercury-metal halide type which efficiently illuminates objects with excellent color appearance |
| US4551363A (en) * | 1984-05-02 | 1985-11-05 | Brian Fenech | Electro luminescence visual device |
| GB2221084B (en) * | 1988-06-27 | 1992-10-21 | Matsushita Electric Works Ltd | Variable colour lighting device |
| US4940918A (en) * | 1989-07-24 | 1990-07-10 | Gte Products Corporation | Fluorescent lamp for liquid crystal backlighting |
| EP0550937B1 (de) * | 1992-01-07 | 1997-03-19 | Koninklijke Philips Electronics N.V. | Niederdruckquecksilberentladungslampe |
| US6137217A (en) * | 1992-08-28 | 2000-10-24 | Gte Products Corporation | Fluorescent lamp with improved phosphor blend |
| US5714836A (en) * | 1992-08-28 | 1998-02-03 | Gte Products Corporation | Fluorescent lamp with improved phosphor blend |
| US5854533A (en) * | 1992-10-19 | 1998-12-29 | Gte Products Corporation | Fluorescent lamps with high color-rendering and high brightness |
| US5838101A (en) * | 1992-10-28 | 1998-11-17 | Gte Products Corporation | Fluorescent lamp with improved CRI and brightness |
| US5418419A (en) * | 1994-03-22 | 1995-05-23 | Tailored Lighting Inc. | Lamp for producing a daylight spectrum |
| US6661915B1 (en) * | 1998-02-13 | 2003-12-09 | Suga Test Instruments | Illumination variable colorimetric method and colorimeter |
| US8487330B2 (en) | 2007-12-07 | 2013-07-16 | Kabushiki Kaisha Toshiba | Phosphor and LED light-emitting device using the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2103038A (en) * | 1933-08-24 | 1937-12-21 | Gen Electric | Gaseous electric arc discharge lamp device |
| US3363134A (en) * | 1965-12-08 | 1968-01-09 | Gen Electric | Arc discharge lamp having polycrystalline ceramic arc tube |
-
1973
- 1973-08-10 US US387391A patent/US3875453A/en not_active Expired - Lifetime
-
1974
- 1974-08-09 JP JP49090893A patent/JPS5246424B2/ja not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5437391A (en) * | 1977-08-30 | 1979-03-19 | Toshiba Corp | Fluorescent lamp |
| JPS5842590B2 (ja) * | 1977-08-30 | 1983-09-20 | 株式会社東芝 | けい光ランプ |
| JPS5438682A (en) * | 1977-09-01 | 1979-03-23 | Toshiba Corp | Fluorescent lamp |
| JPS6228539B2 (de) * | 1977-09-01 | 1987-06-20 | Tokyo Shibaura Electric Co | |
| JPS5490879A (en) * | 1977-12-27 | 1979-07-18 | Nec Home Electronics Ltd | Fluorescent lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5246424B2 (de) | 1977-11-24 |
| US3875453A (en) | 1975-04-01 |