ATE552524T1 - System und verfahren zur strahlerweiterung mit nahem brennpunkt in einer anzeigeeinrichtung - Google Patents

System und verfahren zur strahlerweiterung mit nahem brennpunkt in einer anzeigeeinrichtung

Info

Publication number
ATE552524T1
ATE552524T1 AT04801374T AT04801374T ATE552524T1 AT E552524 T1 ATE552524 T1 AT E552524T1 AT 04801374 T AT04801374 T AT 04801374T AT 04801374 T AT04801374 T AT 04801374T AT E552524 T1 ATE552524 T1 AT E552524T1
Authority
AT
Austria
Prior art keywords
light
major surfaces
opposite major
guiding
coupling element
Prior art date
Application number
AT04801374T
Other languages
English (en)
Inventor
Tapani Levola
Pasi Laakkonen
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE552524T1 publication Critical patent/ATE552524T1/de

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0081—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for altering, e.g. enlarging, the entrance or exit pupil
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B27/0103—Head-up displays characterised by optical features comprising holographic elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Holo Graphy (AREA)
  • Lenses (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Transforming Electric Information Into Light Information (AREA)
AT04801374T 2004-12-13 2004-12-13 System und verfahren zur strahlerweiterung mit nahem brennpunkt in einer anzeigeeinrichtung ATE552524T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2004/004094 WO2006064301A1 (en) 2004-12-13 2004-12-13 System and method for beam expansion with near focus in a display device

Publications (1)

Publication Number Publication Date
ATE552524T1 true ATE552524T1 (de) 2012-04-15

Family

ID=34959563

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04801374T ATE552524T1 (de) 2004-12-13 2004-12-13 System und verfahren zur strahlerweiterung mit nahem brennpunkt in einer anzeigeeinrichtung

Country Status (7)

Country Link
EP (1) EP1825306B1 (de)
JP (1) JP4995732B2 (de)
CN (1) CN101076747B (de)
AT (1) ATE552524T1 (de)
IL (1) IL183508A (de)
TW (1) TWI425248B (de)
WO (1) WO2006064301A1 (de)

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Also Published As

Publication number Publication date
IL183508A (en) 2012-06-28
CN101076747A (zh) 2007-11-21
JP2008523433A (ja) 2008-07-03
TWI425248B (zh) 2014-02-01
EP1825306B1 (de) 2012-04-04
WO2006064301A1 (en) 2006-06-22
TW200628838A (en) 2006-08-16
EP1825306A1 (de) 2007-08-29
IL183508A0 (en) 2007-09-20
CN101076747B (zh) 2012-07-04
JP4995732B2 (ja) 2012-08-08

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