ATE381723T1 - Hintergrundbeleuchtung für transmissive anzeigen - Google Patents

Hintergrundbeleuchtung für transmissive anzeigen

Info

Publication number
ATE381723T1
ATE381723T1 AT02750394T AT02750394T ATE381723T1 AT E381723 T1 ATE381723 T1 AT E381723T1 AT 02750394 T AT02750394 T AT 02750394T AT 02750394 T AT02750394 T AT 02750394T AT E381723 T1 ATE381723 T1 AT E381723T1
Authority
AT
Austria
Prior art keywords
light
chamber
backlight assembly
transmissive display
backlighting
Prior art date
Application number
AT02750394T
Other languages
German (de)
English (en)
Inventor
Gary Boyd
Leland Whitney
Richard Miller
Keith Kotchick
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Application granted granted Critical
Publication of ATE381723T1 publication Critical patent/ATE381723T1/de

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
    • 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
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting element, sheet or layer
    • 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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Substances (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
AT02750394T 2001-09-10 2002-07-31 Hintergrundbeleuchtung für transmissive anzeigen ATE381723T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/949,948 US6663262B2 (en) 2001-09-10 2001-09-10 Backlighting transmissive displays

Publications (1)

Publication Number Publication Date
ATE381723T1 true ATE381723T1 (de) 2008-01-15

Family

ID=25489722

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02750394T ATE381723T1 (de) 2001-09-10 2002-07-31 Hintergrundbeleuchtung für transmissive anzeigen

Country Status (9)

Country Link
US (2) US6663262B2 (enExample)
EP (1) EP1425538B1 (enExample)
JP (1) JP4331602B2 (enExample)
KR (1) KR100860890B1 (enExample)
CN (1) CN100422820C (enExample)
AT (1) ATE381723T1 (enExample)
DE (1) DE60224206T2 (enExample)
TW (1) TWI274205B (enExample)
WO (1) WO2003023277A1 (enExample)

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Also Published As

Publication number Publication date
DE60224206D1 (de) 2008-01-31
EP1425538B1 (en) 2007-12-19
JP4331602B2 (ja) 2009-09-16
US7293899B2 (en) 2007-11-13
US6663262B2 (en) 2003-12-16
DE60224206T2 (de) 2008-12-04
WO2003023277A1 (en) 2003-03-20
JP2005502904A (ja) 2005-01-27
KR20040031068A (ko) 2004-04-09
CN100422820C (zh) 2008-10-01
EP1425538A1 (en) 2004-06-09
US20030048639A1 (en) 2003-03-13
TWI274205B (en) 2007-02-21
KR100860890B1 (ko) 2008-09-29
CN1585871A (zh) 2005-02-23
US20040136172A1 (en) 2004-07-15

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