BE719203A - - Google Patents
Info
- Publication number
- BE719203A BE719203A BE719203DA BE719203A BE 719203 A BE719203 A BE 719203A BE 719203D A BE719203D A BE 719203DA BE 719203 A BE719203 A BE 719203A
- Authority
- BE
- Belgium
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
-
- 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
- C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
- C09K11/025—Use of particular materials as binders, particle coatings or suspension media therefor non-luminescent particle coatings or suspension media
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US399237A US3288990A (en) | 1964-09-25 | 1964-09-25 | Panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE719203A true BE719203A (xx) | 1969-01-16 |
Family
ID=23578727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE719203D BE719203A (xx) | 1964-09-25 | 1968-08-08 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3288990A (xx) |
| BE (1) | BE719203A (xx) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008139362A1 (en) | 2007-05-09 | 2008-11-20 | Philips Intellectual Property & Standards Gmbh | A cover for a light source |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3721818A (en) * | 1970-05-18 | 1973-03-20 | Ksh Inc | Ceiling mounted luminaire and light-transmitting enclosure therefor |
| JPS4832389A (xx) * | 1971-08-27 | 1973-04-28 | ||
| US3763369A (en) * | 1971-11-18 | 1973-10-02 | Holophane Co Inc | Refractive grid |
| JPS49105389A (xx) * | 1973-02-12 | 1974-10-05 | ||
| US4004145A (en) * | 1975-02-24 | 1977-01-18 | Ignacio Goytisolo Taltavull | Nil-luminance lighting panel |
| US4242723A (en) * | 1979-05-14 | 1980-12-30 | Keene Corporation | Low level work area lighting system |
| JPH0631503Y2 (ja) * | 1984-04-26 | 1994-08-22 | 旭化成工業株式会社 | 遮光板 |
| US4772096A (en) * | 1984-08-24 | 1988-09-20 | Nissan Motor Company, Limited | Light-shader |
| USRE40227E1 (en) | 1985-11-21 | 2008-04-08 | 3M Innovative Properties Company | Totally internally reflecting thin, flexible film |
| CA1279783C (en) * | 1985-11-21 | 1991-02-05 | Minnesota Mining And Manufacturing Company | Totally internally reflecting thin, flexible film |
| US5056892A (en) * | 1985-11-21 | 1991-10-15 | Minnesota Mining And Manufacturing Company | Totally internally reflecting thin, flexible film |
| US5193899A (en) * | 1989-04-25 | 1993-03-16 | Mitsubishi Rayon Co., Ltd. | Planar light-source device and illumination apparatus using the same |
| US5440467A (en) * | 1994-04-22 | 1995-08-08 | Steelcase Inc. | Task light |
| US6712481B2 (en) * | 1995-06-27 | 2004-03-30 | Solid State Opto Limited | Light emitting panel assemblies |
| US6280063B1 (en) * | 1997-05-09 | 2001-08-28 | 3M Innovative Properties Company | Brightness enhancement article |
| US6570710B1 (en) * | 1999-11-12 | 2003-05-27 | Reflexite Corporation | Subwavelength optical microstructure light collimating films |
| US6356389B1 (en) | 1999-11-12 | 2002-03-12 | Reflexite Corporation | Subwavelength optical microstructure light collimating films |
| DE10011304B4 (de) * | 2000-03-09 | 2011-05-05 | Siteco Beleuchtungstechnik Gmbh | Leuchte mit inhomogener Lichtabstrahlung |
| KR101208174B1 (ko) * | 2010-07-28 | 2012-12-04 | 엘지이노텍 주식회사 | 광학시트 및 이를 포함하는 발광소자패키지 |
| US10072816B2 (en) | 2013-06-19 | 2018-09-11 | Bright View Technologies Corporation | Microstructure-based optical diffusers for creating batwing and other lighting patterns |
| US10302275B2 (en) | 2013-06-19 | 2019-05-28 | Bright View Technologies Corporation | Microstructure-based diffusers for creating batwing lighting patterns |
| US9765949B2 (en) | 2013-07-26 | 2017-09-19 | Bright View Technologies Corporation | Shaped microstructure-based optical diffusers for creating batwing and other lighting patterns |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1067322B (de) * | 1959-10-15 | Robert Bosch G.M.B.H., Stuttgart | Mittel zum Verhüten der Blendwirkung durch Kraftfahrzeugscheinwerfer mit asymmetrischem Abblendlicht | |
| US3069974A (en) * | 1959-11-12 | 1962-12-25 | Alvin M Murks | Multi-layered light polarizers |
| US3222515A (en) * | 1963-01-03 | 1965-12-07 | Sheffield Plastics Inc | Room light control |
-
1964
- 1964-09-25 US US399237A patent/US3288990A/en not_active Expired - Lifetime
-
1968
- 1968-08-08 BE BE719203D patent/BE719203A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008139362A1 (en) | 2007-05-09 | 2008-11-20 | Philips Intellectual Property & Standards Gmbh | A cover for a light source |
Also Published As
| Publication number | Publication date |
|---|---|
| US3288990A (en) | 1966-11-29 |