DE60224206T2 - Hintergrundbeleuchtung für transmissive anzeigen - Google Patents

Hintergrundbeleuchtung für transmissive anzeigen Download PDF

Info

Publication number
DE60224206T2
DE60224206T2 DE60224206T DE60224206T DE60224206T2 DE 60224206 T2 DE60224206 T2 DE 60224206T2 DE 60224206 T DE60224206 T DE 60224206T DE 60224206 T DE60224206 T DE 60224206T DE 60224206 T2 DE60224206 T2 DE 60224206T2
Authority
DE
Germany
Prior art keywords
light
conditioner
backlight assembly
chamber
assembly according
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.)
Expired - Lifetime
Application number
DE60224206T
Other languages
German (de)
English (en)
Other versions
DE60224206D1 (de
Inventor
Gary T. Saint Paul BOYD
Leland R. Saint Paul WHITNEY
Richard A. Saint Paul MILLER
Keith M. Saint Paul Kotchick
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.)
3M Innovative Properties Co
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
Publication of DE60224206D1 publication Critical patent/DE60224206D1/de
Application granted granted Critical
Publication of DE60224206T2 publication Critical patent/DE60224206T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal Substances (AREA)
DE60224206T 2001-09-10 2002-07-31 Hintergrundbeleuchtung für transmissive anzeigen Expired - Lifetime DE60224206T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US949948 2001-09-10
US09/949,948 US6663262B2 (en) 2001-09-10 2001-09-10 Backlighting transmissive displays
PCT/US2002/024510 WO2003023277A1 (en) 2001-09-10 2002-07-31 Backlighting transmissive displays

Publications (2)

Publication Number Publication Date
DE60224206D1 DE60224206D1 (de) 2008-01-31
DE60224206T2 true DE60224206T2 (de) 2008-12-04

Family

ID=25489722

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60224206T Expired - Lifetime DE60224206T2 (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
WO2003023277A1 (en) 2003-03-20
CN100422820C (zh) 2008-10-01
US6663262B2 (en) 2003-12-16
US20030048639A1 (en) 2003-03-13
EP1425538B1 (en) 2007-12-19
DE60224206D1 (de) 2008-01-31
US7293899B2 (en) 2007-11-13
JP2005502904A (ja) 2005-01-27
US20040136172A1 (en) 2004-07-15
KR20040031068A (ko) 2004-04-09
CN1585871A (zh) 2005-02-23
ATE381723T1 (de) 2008-01-15
EP1425538A1 (en) 2004-06-09
TWI274205B (en) 2007-02-21
KR100860890B1 (ko) 2008-09-29
JP4331602B2 (ja) 2009-09-16

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