GB9919689D0 - Back-lighting arrangement and the like - Google Patents

Back-lighting arrangement and the like

Info

Publication number
GB9919689D0
GB9919689D0 GBGB9919689.1A GB9919689A GB9919689D0 GB 9919689 D0 GB9919689 D0 GB 9919689D0 GB 9919689 A GB9919689 A GB 9919689A GB 9919689 D0 GB9919689 D0 GB 9919689D0
Authority
GB
United Kingdom
Prior art keywords
lighting arrangement
lighting
arrangement
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
GBGB9919689.1A
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.)
Microsharp Corp Ltd
Original Assignee
Microsharp Corp Ltd
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 Microsharp Corp Ltd filed Critical Microsharp Corp Ltd
Priority to GBGB9919689.1A priority Critical patent/GB9919689D0/en
Publication of GB9919689D0 publication Critical patent/GB9919689D0/en
Priority to AU67068/00A priority patent/AU6706800A/en
Priority to EP00954707A priority patent/EP1210548A1/en
Priority to JP2001518627A priority patent/JP2003507864A/en
Priority to PCT/GB2000/003177 priority patent/WO2001014790A1/en
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0051—Diffusing 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
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • 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
    • G02F2203/00—Function characteristic
    • G02F2203/22—Function characteristic diffractive

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)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
GBGB9919689.1A 1999-08-19 1999-08-19 Back-lighting arrangement and the like Ceased GB9919689D0 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GBGB9919689.1A GB9919689D0 (en) 1999-08-19 1999-08-19 Back-lighting arrangement and the like
AU67068/00A AU6706800A (en) 1999-08-19 2000-08-16 Diffuse lighting arrangement
EP00954707A EP1210548A1 (en) 1999-08-19 2000-08-16 Diffuse lighting arrangement
JP2001518627A JP2003507864A (en) 1999-08-19 2000-08-16 Diffuse lighting device
PCT/GB2000/003177 WO2001014790A1 (en) 1999-08-19 2000-08-16 Diffuse lighting arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9919689.1A GB9919689D0 (en) 1999-08-19 1999-08-19 Back-lighting arrangement and the like

Publications (1)

Publication Number Publication Date
GB9919689D0 true GB9919689D0 (en) 1999-10-20

Family

ID=10859469

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB9919689.1A Ceased GB9919689D0 (en) 1999-08-19 1999-08-19 Back-lighting arrangement and the like

Country Status (5)

Country Link
EP (1) EP1210548A1 (en)
JP (1) JP2003507864A (en)
AU (1) AU6706800A (en)
GB (1) GB9919689D0 (en)
WO (1) WO2001014790A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020159002A1 (en) * 2001-03-30 2002-10-31 Koninklijke Philips Electronics N.V. Direct backlighting for liquid crystal displays
EP1420462A1 (en) 2002-11-13 2004-05-19 Heptagon Oy Light emitting device
FR2848288B1 (en) * 2002-12-05 2005-12-09 Schneider Electric Ind Sas LIGHT EMITTING DEVICE LIGHTING DEVICE
US7320531B2 (en) * 2003-03-28 2008-01-22 Philips Lumileds Lighting Company, Llc Multi-colored LED array with improved brightness profile and color uniformity
KR101136587B1 (en) 2004-07-27 2012-04-18 돌비 레버러토리즈 라이쎈싱 코오포레이션 Diffuser for light from light source array and displays incorporating same
PL1701203T3 (en) * 2005-03-10 2007-10-31 Nanogate Advanced Mat Gmbh Flat panel display
JP4688553B2 (en) * 2005-04-18 2011-05-25 京セラ株式会社 Light emitting device and lighting device
JP4788184B2 (en) * 2005-04-26 2011-10-05 ソニー株式会社 Backlight device and liquid crystal display device
JP4635128B2 (en) * 2006-01-27 2011-02-16 株式会社オプトデザイン Surface illumination light source device and surface illumination device using the same
JP4939970B2 (en) * 2007-02-20 2012-05-30 ニューパラダイムテクノロジー株式会社 Planar light emitting structure
US20100181591A1 (en) * 2007-06-29 2010-07-22 Abel Systems Incorporation Led illumination device using diffraction member
US7905618B2 (en) 2007-07-19 2011-03-15 Samsung Led Co., Ltd. Backlight unit
US20090322800A1 (en) 2008-06-25 2009-12-31 Dolby Laboratories Licensing Corporation Method and apparatus in various embodiments for hdr implementation in display devices
JP2011222421A (en) * 2010-04-13 2011-11-04 Asahi Kasei E-Materials Corp Light-emitting device
JP5792969B2 (en) * 2011-03-04 2015-10-14 キヤノン株式会社 Optical writing head and image forming apparatus
JP2015506071A (en) * 2011-12-16 2015-02-26 コーニンクレッカ フィリップス エヌ ヴェ Optical apparatus provided with diffractive optical element

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1261250B (en) * 1993-09-03 1996-05-09 Carello Spa LIGHTING DEVICE IN PARTICULAR FOR VEHICLES
IT1268610B1 (en) * 1994-09-30 1997-03-06 Carello Spa LIGHT GUIDE LIGHTING SYSTEM SUITABLE TO REALIZE A THIN LIGHTING DEVICE
JP3632208B2 (en) * 1995-11-06 2005-03-23 セイコーエプソン株式会社 LIGHTING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC DEVICE USING THE SAME
US5803579A (en) * 1996-06-13 1998-09-08 Gentex Corporation Illuminator assembly incorporating light emitting diodes
GB9613802D0 (en) 1996-07-01 1996-09-04 Nashua Corp Improvements in or relating to light diffusers
FI106323B (en) * 1998-12-30 2001-01-15 Nokia Mobile Phones Ltd Backlight light guide for flat screen

Also Published As

Publication number Publication date
WO2001014790A1 (en) 2001-03-01
EP1210548A1 (en) 2002-06-05
JP2003507864A (en) 2003-02-25
AU6706800A (en) 2001-03-19

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)