DE2320247A1 - Lichtstreuplatte mit geringer blendwirkung, insbesondere fuer leuchtstoffroehren - Google Patents

Lichtstreuplatte mit geringer blendwirkung, insbesondere fuer leuchtstoffroehren

Info

Publication number
DE2320247A1
DE2320247A1 DE2320247A DE2320247A DE2320247A1 DE 2320247 A1 DE2320247 A1 DE 2320247A1 DE 2320247 A DE2320247 A DE 2320247A DE 2320247 A DE2320247 A DE 2320247A DE 2320247 A1 DE2320247 A1 DE 2320247A1
Authority
DE
Germany
Prior art keywords
light
diffusion plate
elements
conical
refraction elements
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.)
Pending
Application number
DE2320247A
Other languages
German (de)
English (en)
Inventor
Taltavull Ignacio Dr Goytisolo
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE2320247A1 publication Critical patent/DE2320247A1/de
Pending legal-status Critical Current

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
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Optical Elements Other Than Lenses (AREA)
DE2320247A 1972-04-20 1973-04-19 Lichtstreuplatte mit geringer blendwirkung, insbesondere fuer leuchtstoffroehren Pending DE2320247A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24590472A 1972-04-20 1972-04-20

Publications (1)

Publication Number Publication Date
DE2320247A1 true DE2320247A1 (de) 1973-10-25

Family

ID=22928579

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2320247A Pending DE2320247A1 (de) 1972-04-20 1973-04-19 Lichtstreuplatte mit geringer blendwirkung, insbesondere fuer leuchtstoffroehren

Country Status (6)

Country Link
US (1) US3794829A (https=)
JP (1) JPS5443317B2 (https=)
DE (1) DE2320247A1 (https=)
ES (1) ES414498A1 (https=)
FR (1) FR2181010B2 (https=)
IT (1) IT1045303B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2532953A1 (de) * 2011-06-10 2012-12-12 Siteco Beleuchtungstechnik GmbH Prismenplatte

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004145A (en) * 1975-02-24 1977-01-18 Ignacio Goytisolo Taltavull Nil-luminance lighting panel
CA1044203A (en) * 1975-05-01 1978-12-12 James D. Howe Lighting panel having improved refracting elements
FR2454135A1 (fr) * 1979-04-13 1980-11-07 Suisse Horlogerie Structure de surface diffusante pour un guide de lumiere de dispositif d'affichage d'informations
DE3044470A1 (de) * 1980-11-26 1982-06-03 Kernforschungsanlage Jülich GmbH, 5170 Jülich Verfahren zur moeglichst gleichmaessigen ausleuchtung einer flaeche ausgehend von einem parallelstrahlenbuendel und vorrichtung der laser-diagnostik
US4545007A (en) * 1984-09-12 1985-10-01 Devine Lighting Luminaire with lenticular lens
US4703405A (en) * 1986-07-17 1987-10-27 Ian Lewin Glare reducing lens
US5124839A (en) * 1989-11-08 1992-06-23 Canon Kabushiki Kaisha Phase-type focusing screen
US5003448A (en) * 1990-02-07 1991-03-26 K-S-H, Inc. Light-weight lenticular lighting panel
US6033094A (en) * 1997-10-02 2000-03-07 Fresnel Technologies, Inc. Microlens array for improved illumination patterns
US7187505B2 (en) * 2002-10-07 2007-03-06 Fresnel Technologies, Inc. Imaging lens for infrared cameras
TW200528849A (en) * 2004-02-27 2005-09-01 Hon Hai Prec Ind Co Ltd Light guide plate
JP4499519B2 (ja) * 2004-07-12 2010-07-07 大日本印刷株式会社 拡散シート、面光源装置、透過型表示装置
US20100128351A1 (en) * 2008-11-21 2010-05-27 3M Innovative Properties Company Curved sided cone structures for controlling gain and viewing angle in an optical film

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2474317A (en) * 1949-06-28 Light refracting and transmitting
US1241886A (en) * 1916-07-12 1917-10-02 Levi Leroy Rowe Lens.
US2859334A (en) * 1954-09-09 1958-11-04 Edwin F Guth Company Louvers
US3038065A (en) * 1957-05-21 1962-06-05 Holophane Co Inc Prismatic plate
US3096032A (en) * 1959-09-23 1963-07-02 Lighting Products Inc Lighting diffuser
US3234376A (en) * 1963-02-11 1966-02-08 Michael J Ceglia Glare-free lighting fixture
US3566102A (en) * 1967-09-13 1971-02-23 Artcrest Products Co Inc Light panel
US3671101A (en) * 1969-07-25 1972-06-20 Dan M Finch Light control material
US3578967A (en) * 1969-08-27 1971-05-18 Ksh Inc Prismatic lighting panel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2532953A1 (de) * 2011-06-10 2012-12-12 Siteco Beleuchtungstechnik GmbH Prismenplatte

Also Published As

Publication number Publication date
US3794829A (en) 1974-02-26
FR2181010B2 (https=) 1974-11-08
JPS4920964A (https=) 1974-02-23
FR2181010A2 (https=) 1973-11-30
IT1045303B (it) 1980-05-10
ES414498A1 (es) 1976-05-01
JPS5443317B2 (https=) 1979-12-19

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