WO2002017628A3 - Vorsatzoptik für outdoor-led-video-paneele - Google Patents

Vorsatzoptik für outdoor-led-video-paneele Download PDF

Info

Publication number
WO2002017628A3
WO2002017628A3 PCT/AT2001/000275 AT0100275W WO0217628A3 WO 2002017628 A3 WO2002017628 A3 WO 2002017628A3 AT 0100275 W AT0100275 W AT 0100275W WO 0217628 A3 WO0217628 A3 WO 0217628A3
Authority
WO
WIPO (PCT)
Prior art keywords
led
incident
total reflection
observed region
sunlight
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.)
Ceased
Application number
PCT/AT2001/000275
Other languages
English (en)
French (fr)
Other versions
WO2002017628A2 (de
Inventor
Alexander Otto
Harald Swatek
Alexander Swatek
Alexander Swarovski
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.)
SUNAMIC VISUALISIERUNG und NETZWERK GmbH
SUNAMIC VISUALISIERUNG und NET
Original Assignee
SUNAMIC VISUALISIERUNG und NETZWERK GmbH
SUNAMIC VISUALISIERUNG und NET
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 SUNAMIC VISUALISIERUNG und NETZWERK GmbH, SUNAMIC VISUALISIERUNG und NET filed Critical SUNAMIC VISUALISIERUNG und NETZWERK GmbH
Priority to AU2001285561A priority Critical patent/AU2001285561A1/en
Priority to EP01964714A priority patent/EP1313985A2/de
Publication of WO2002017628A2 publication Critical patent/WO2002017628A2/de
Publication of WO2002017628A3 publication Critical patent/WO2002017628A3/de
Anticipated expiration legal-status Critical
Ceased 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
    • G09F27/008—Sun shades, shades, hoods or louvres on electronic displays to minimise the effect of direct sun light on the display
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/72—Modifying the appearance of television pictures by optical filters or diffusing screens
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/30—Picture reproducers using solid-state colour display devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Led Device Packages (AREA)

Abstract

Es wird ein Video-Paneel vorgeschlagen, welches mit LED in präzisen SMD-Bauformen bestückt ist und zur Aufstellung im Freien eine Vorsatzoptik aufweist, die Sichtbarkeit und Kontrast der Darstellungen bei jeder beliebigen Sonneneinstrahlung verbessert, indem sie Spiegelungen und Reflexionen des Sonnenlichtes im Beobachtungsbereich verhindert und gleichzeitig eine gute Lichtverteilung bewirkt. Unmittelbar vor jeder LED (2) ist ein Lichtleitstab (3) angeordnet, dessen Querschnittsverlauf und Orientierung bezüglich der LED (2) so bemessen ist, dass einerseits das gesamte eintretende Nutzlicht durch Totalreflexion an den Wandungen (5) weitergeleitet und in den Beobachtungsbereich (B) abgelenkt wird, andererseits einfallende Sonnenstrahlen (7) nicht in die LED (2) gelangen könen, weil sie entweder nach mehrmaliger Totalreflexion in die Einfallsrichtung oder außerhalb des Beobachtungsbereiches (B) zurückgelenkt werden, oder unter einem steileren Winkel als dem Grenzwinkel der Totalreflexion auf die Wandungen (5) des Lichtleitstabes (3) treffen, dort austreten und von einem umgebenden Gehäuse (9) absorbiert werden. Außerdem werden durch entsprechende Neigung (A) der Lichtaustrittsflächen (6) störende Oberflächenreflexionen vermieden.
PCT/AT2001/000275 2000-08-24 2001-08-24 Vorsatzoptik für outdoor-led-video-paneele Ceased WO2002017628A2 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2001285561A AU2001285561A1 (en) 2000-08-24 2001-08-24 Auxiliary optics for outdoor led video panels
EP01964714A EP1313985A2 (de) 2000-08-24 2001-08-24 Vorsatzoptik für outdoor-led-video-paneele

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT14602000 2000-08-24
ATA1460/2000 2000-08-24

Publications (2)

Publication Number Publication Date
WO2002017628A2 WO2002017628A2 (de) 2002-02-28
WO2002017628A3 true WO2002017628A3 (de) 2002-07-25

Family

ID=3688255

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2001/000275 Ceased WO2002017628A2 (de) 2000-08-24 2001-08-24 Vorsatzoptik für outdoor-led-video-paneele

Country Status (3)

Country Link
EP (1) EP1313985A2 (de)
AU (1) AU2001285561A1 (de)
WO (1) WO2002017628A2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT500013B1 (de) * 2003-01-31 2006-10-15 Swarco Futurit Verkehrssysteme Optikelement für wechselverkehrszeichen
EP2226780A1 (de) * 2009-03-02 2010-09-08 Textmate Limited Elektronische Autobahnanzeige
BR112012024196A2 (pt) * 2010-03-24 2016-07-05 Siemens Ag elemento de exibição ótica e dispositivo de exibição
CN104575308A (zh) * 2015-01-06 2015-04-29 刘涵 一种高清晰p5LED户外全彩显示屏
CZ2015524A3 (cs) * 2015-07-28 2016-07-27 Eltodo, A.S. Optický prvek

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0495273A1 (de) * 1991-01-16 1992-07-22 Lumitex Inc. Dünne Plattenleuchte
US5410453A (en) * 1993-12-01 1995-04-25 General Signal Corporation Lighting device used in an exit sign
WO1999051914A1 (en) * 1998-04-08 1999-10-14 Teledyne Lighting And Display Products, Inc. Illumination device for non-emissive displays

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0495273A1 (de) * 1991-01-16 1992-07-22 Lumitex Inc. Dünne Plattenleuchte
US5410453A (en) * 1993-12-01 1995-04-25 General Signal Corporation Lighting device used in an exit sign
WO1999051914A1 (en) * 1998-04-08 1999-10-14 Teledyne Lighting And Display Products, Inc. Illumination device for non-emissive displays

Also Published As

Publication number Publication date
WO2002017628A2 (de) 2002-02-28
EP1313985A2 (de) 2003-05-28
AU2001285561A1 (en) 2002-03-04

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