DE60207404D1 - Kollimator für einen flüssigkristallbildschirm - Google Patents

Kollimator für einen flüssigkristallbildschirm

Info

Publication number
DE60207404D1
DE60207404D1 DE60207404T DE60207404T DE60207404D1 DE 60207404 D1 DE60207404 D1 DE 60207404D1 DE 60207404 T DE60207404 T DE 60207404T DE 60207404 T DE60207404 T DE 60207404T DE 60207404 D1 DE60207404 D1 DE 60207404D1
Authority
DE
Germany
Prior art keywords
collimator
liquid crystal
crystal screen
light source
light
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
DE60207404T
Other languages
English (en)
Other versions
DE60207404T2 (de
Inventor
Harald Glaeser
Hans-Helmut Bechtel
Dietrich Bertram
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.)
Philips Intellectual Property and Standards GmbH
Original Assignee
Philips Intellectual Property and Standards 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 Philips Intellectual Property and Standards GmbH filed Critical Philips Intellectual Property and Standards GmbH
Priority to DE60207404T priority Critical patent/DE60207404T2/de
Publication of DE60207404D1 publication Critical patent/DE60207404D1/de
Application granted granted Critical
Publication of DE60207404T2 publication Critical patent/DE60207404T2/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
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • 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
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
    • 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
    • G02B6/003—Lens or lenticular sheet or layer
    • 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
    • G02B6/0065—Manufacturing aspects; Material aspects
    • 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
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Planar Illumination Modules (AREA)
DE60207404T 2001-05-23 2002-05-21 Kollimator für einen flüssigkristallbildschirm Expired - Lifetime DE60207404T2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE60207404T DE60207404T2 (de) 2001-05-23 2002-05-21 Kollimator für einen flüssigkristallbildschirm

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10125553A DE10125553A1 (de) 2001-05-23 2001-05-23 Flüssigkristallbildschirm mit Kollimator
DE10125553 2001-05-23
PCT/IB2002/001861 WO2002095489A1 (en) 2001-05-23 2002-05-21 Liquid crystal picture screen with collimator
DE60207404T DE60207404T2 (de) 2001-05-23 2002-05-21 Kollimator für einen flüssigkristallbildschirm

Publications (2)

Publication Number Publication Date
DE60207404D1 true DE60207404D1 (de) 2005-12-22
DE60207404T2 DE60207404T2 (de) 2006-08-03

Family

ID=7686139

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10125553A Withdrawn DE10125553A1 (de) 2001-05-23 2001-05-23 Flüssigkristallbildschirm mit Kollimator
DE60207404T Expired - Lifetime DE60207404T2 (de) 2001-05-23 2002-05-21 Kollimator für einen flüssigkristallbildschirm

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10125553A Withdrawn DE10125553A1 (de) 2001-05-23 2001-05-23 Flüssigkristallbildschirm mit Kollimator

Country Status (8)

Country Link
US (1) US7126653B2 (de)
EP (1) EP1395871B1 (de)
JP (1) JP4508533B2 (de)
KR (1) KR20030016422A (de)
AT (1) ATE310261T1 (de)
DE (2) DE10125553A1 (de)
TW (1) TW538394B (de)
WO (1) WO2002095489A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050185416A1 (en) * 2004-02-24 2005-08-25 Eastman Kodak Company Brightness enhancement film using light concentrator array
DE102004034418B4 (de) * 2004-07-15 2009-06-25 Schott Ag Verfahren zur Herstellung struktuierter optischer Filterschichten auf Substraten
US20080062686A1 (en) * 2004-09-24 2008-03-13 Koninklijke Philips Electronics, N.V. Illumination System
US7720347B2 (en) * 2006-03-28 2010-05-18 Samsung Electronics Co., Ltd. Backlight having all-in-one type light guide plate and method of manufacturing all-in-one type light guide plate
US9755740B2 (en) 2015-12-30 2017-09-05 Surefire Llc Receivers for optical narrowcasting
US9917652B1 (en) 2017-06-06 2018-03-13 Surefire Llc Adaptive communications focal plane array
US10473439B2 (en) 2018-01-05 2019-11-12 Aron Surefire, Llc Gaming systems and methods using optical narrowcasting
US10236986B1 (en) 2018-01-05 2019-03-19 Aron Surefire, Llc Systems and methods for tiling free space optical transmissions
US10250948B1 (en) 2018-01-05 2019-04-02 Aron Surefire, Llc Social media with optical narrowcasting

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5012274A (en) * 1987-12-31 1991-04-30 Eugene Dolgoff Active matrix LCD image projection system
JP2959202B2 (ja) * 1991-06-14 1999-10-06 オムロン株式会社 液晶パネルを用いた画像表示装置および液晶ｔｖプロジェクタ
AU687052B2 (en) * 1993-05-04 1998-02-19 Peter James Milner An optical component suitable for use in glazing
US5598281A (en) * 1993-11-19 1997-01-28 Alliedsignal Inc. Backlight assembly for improved illumination employing tapered optical elements
JPH08221013A (ja) * 1994-12-15 1996-08-30 Sony Corp 平面表示装置および平面表示装置用バックライト装置
US5839823A (en) * 1996-03-26 1998-11-24 Alliedsignal Inc. Back-coupled illumination system with light recycling
JPH10253808A (ja) * 1997-03-13 1998-09-25 Toray Ind Inc 光学シートおよびその製造方法と指向性面状光源
EP1179158B1 (de) * 1999-05-20 2003-07-09 Zumtobel Staff GmbH Leuchte

Also Published As

Publication number Publication date
EP1395871B1 (de) 2005-11-16
US7126653B2 (en) 2006-10-24
JP2004527009A (ja) 2004-09-02
WO2002095489A1 (en) 2002-11-28
EP1395871A1 (de) 2004-03-10
DE10125553A1 (de) 2002-11-28
KR20030016422A (ko) 2003-02-26
DE60207404T2 (de) 2006-08-03
ATE310261T1 (de) 2005-12-15
TW538394B (en) 2003-06-21
US20040135935A1 (en) 2004-07-15
JP4508533B2 (ja) 2010-07-21

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition