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WO2008104498A3 - Beleuchtungsvorrichtung mit zumindest einer lampe und zumindest einem reflektor - Google Patents

Beleuchtungsvorrichtung mit zumindest einer lampe und zumindest einem reflektor Download PDF

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Publication number
WO2008104498A3
WO2008104498A3 PCT/EP2008/052142 EP2008052142W WO2008104498A3 WO 2008104498 A3 WO2008104498 A3 WO 2008104498A3 EP 2008052142 W EP2008052142 W EP 2008052142W WO 2008104498 A3 WO2008104498 A3 WO 2008104498A3
Authority
WO
WIPO (PCT)
Prior art keywords
lamp
reflector
illumination device
involute
sub
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/EP2008/052142
Other languages
English (en)
French (fr)
Other versions
WO2008104498A2 (de
Inventor
Ulrich Biebel
Armin Konrad
Martin Beck
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.)
Osram GmbH
Original Assignee
Osram GmbH
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 Osram GmbH filed Critical Osram GmbH
Priority to DE112008000103T priority Critical patent/DE112008000103A5/de
Publication of WO2008104498A2 publication Critical patent/WO2008104498A2/de
Publication of WO2008104498A3 publication Critical patent/WO2008104498A3/de
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F21/00—Mobile visual advertising
    • G09F21/04—Mobile visual advertising by land vehicles

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Marketing (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Planar Illumination Modules (AREA)

Abstract

Die Erfindung betrifft eine Beleuchtungsvorrichtung (1) mit zumindest einer Lampe (3, 3', 3''), zumindest einem Reflektor (2) und einer von der Lampe (3, 3', 3'') hinterleuchteten Anzeigeeinheit (5), wobei eine Reflexionsfläche (21) des Reflektors (2) zumindest bereichsweise einen Formverlauf aufweist, welcher eine um einen Faktor größer 1 aufgeweitete Kreisevolvente eines Teilelements der Lampe (3, 3', 3'') darstellt, und an einem der Anzeigeeinheit (5) zugewandten Teilbereich (31b) der Außenseite (31) eines Lampenkolbens (3a) eine Beschichtung (4) ausgebildet ist, welche für das von der Lampe (3, 3', 3'') emittierte Licht teilabsorbierend ist.
PCT/EP2008/052142 2007-02-28 2008-02-21 Beleuchtungsvorrichtung mit zumindest einer lampe und zumindest einem reflektor Ceased WO2008104498A2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112008000103T DE112008000103A5 (de) 2007-02-28 2008-02-21 Beleuchtungsvorrichtung mit zumindest einer Lampe und zumindest einem Reflektor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007009735A DE102007009735A1 (de) 2007-02-28 2007-02-28 Beleuchtungsvorrichtung mit zumindest einer Lampe und zumindest einem Reflektor
DE102007009735.4 2007-02-28

Publications (2)

Publication Number Publication Date
WO2008104498A2 WO2008104498A2 (de) 2008-09-04
WO2008104498A3 true WO2008104498A3 (de) 2009-01-15

Family

ID=39512127

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/052142 Ceased WO2008104498A2 (de) 2007-02-28 2008-02-21 Beleuchtungsvorrichtung mit zumindest einer lampe und zumindest einem reflektor

Country Status (2)

Country Link
DE (2) DE102007009735A1 (de)
WO (1) WO2008104498A2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010061988A1 (de) 2010-11-25 2012-05-31 Osram Ag Lineare Beleuchtungsvorrichtung mit LEDs

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE806001C (de) * 1948-11-19 1951-06-11 Hoerner Fa Eugen Reflecktor fuer leuchtende Flaechen
US4418378A (en) * 1981-03-05 1983-11-29 Plan Hold Corporation Light box
US4803399A (en) * 1985-08-14 1989-02-07 Hitachi, Ltd. Fluorescent lamp arrangement for uniformly illuminating a display panel
US5253151A (en) * 1991-09-30 1993-10-12 Rockwell International Corporation Luminaire for use in backlighting a liquid crystal display matrix
JPH0644812A (ja) * 1992-02-14 1994-02-18 Nasuka:Kk 反射板と照明器具と照明装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE806001C (de) * 1948-11-19 1951-06-11 Hoerner Fa Eugen Reflecktor fuer leuchtende Flaechen
US4418378A (en) * 1981-03-05 1983-11-29 Plan Hold Corporation Light box
US4803399A (en) * 1985-08-14 1989-02-07 Hitachi, Ltd. Fluorescent lamp arrangement for uniformly illuminating a display panel
US5253151A (en) * 1991-09-30 1993-10-12 Rockwell International Corporation Luminaire for use in backlighting a liquid crystal display matrix
JPH0644812A (ja) * 1992-02-14 1994-02-18 Nasuka:Kk 反射板と照明器具と照明装置

Also Published As

Publication number Publication date
DE102007009735A1 (de) 2008-09-04
WO2008104498A2 (de) 2008-09-04
DE112008000103A5 (de) 2009-11-26

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