IN2015DN02679A - - Google Patents

Info

Publication number
IN2015DN02679A
IN2015DN02679A IN2679DEN2015A IN2015DN02679A IN 2015DN02679 A IN2015DN02679 A IN 2015DN02679A IN 2679DEN2015 A IN2679DEN2015 A IN 2679DEN2015A IN 2015DN02679 A IN2015DN02679 A IN 2015DN02679A
Authority
IN
India
Prior art keywords
guiding plate
light
scattering dots
light beams
optical
Prior art date
Application number
Other languages
English (en)
Inventor
Leslie Charles; Laycock
Andrew Graham; Mccarthy
Original Assignee
Bae Systems Plc
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 Bae Systems Plc filed Critical Bae Systems Plc
Publication of IN2015DN02679A publication Critical patent/IN2015DN02679A/en

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
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
    • 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
    • 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
    • G02B6/0013—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
    • 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
    • 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
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • 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
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0073—Light emitting diode [LED]
    • 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0083—Details of electrical connections of light sources to drivers, circuit boards, or the like
    • 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0085—Means for removing heat created by the light source from the package
IN2679DEN2015 2012-10-04 2013-10-02 IN2015DN02679A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1217735.8A GB2506625A (en) 2012-10-04 2012-10-04 LCD backlight display
PCT/GB2013/052567 WO2014053832A1 (fr) 2012-10-04 2013-10-02 Affichage à rétroéclairage de lcd amélioré

Publications (1)

Publication Number Publication Date
IN2015DN02679A true IN2015DN02679A (fr) 2015-09-04

Family

ID=47225649

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2679DEN2015 IN2015DN02679A (fr) 2012-10-04 2013-10-02

Country Status (7)

Country Link
US (1) US9720161B2 (fr)
EP (1) EP2904310A1 (fr)
JP (1) JP2015536029A (fr)
AU (1) AU2013326308B2 (fr)
GB (1) GB2506625A (fr)
IN (1) IN2015DN02679A (fr)
WO (1) WO2014053832A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012134469A1 (fr) * 2011-03-31 2012-10-04 Ingersoll-Rand Company Ensembles d'affichage comportant un couvercle d'affichage et un conduit de lumière intégrés et outils électriques portatifs et procédés comprenant ceux-ci
GB2506625A (en) 2012-10-04 2014-04-09 Bae Systems Plc LCD backlight display
EP3143326A1 (fr) 2014-05-16 2017-03-22 Corning Incorporated Unité de rétroéclairage à éclairage latéral pour dispositif d'affichage à cristaux liquides
US20150362653A1 (en) * 2014-06-17 2015-12-17 Shenzhen China Star Optoelectronics Technology Co., Ltd. Backlight module
KR102397362B1 (ko) 2015-05-28 2022-05-20 엘지이노텍 주식회사 조명장치 및 이를 포함하는 차량용램프
CN108519639A (zh) * 2018-04-18 2018-09-11 京东方科技集团股份有限公司 导光膜材、直下式背光模组以及显示装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2313435B (en) 1988-12-14 1998-02-18 Vickers Shipbuilding & Eng Improvements in or relating to field howitzers
US5200595A (en) * 1991-04-12 1993-04-06 Universite De Sherbrooke High performance induction plasma torch with a water-cooled ceramic confinement tube
JP3538746B2 (ja) * 1997-03-07 2004-06-14 株式会社エンプラス サイドライト型面光源装置
US6386721B1 (en) * 1999-07-08 2002-05-14 Physical Optics Corporation Light pipe having one or more integral diffusers
JP2001312916A (ja) * 2000-02-24 2001-11-09 Sony Corp 面光源装置
US7703970B2 (en) * 2001-03-27 2010-04-27 Sotek Australia Pty Ltd Illuminated background display apparatus
EP1467414A4 (fr) * 2001-12-29 2007-07-11 Hangzhou Fuyang Xinying Dianzi Del et lampe a del
US20070189039A1 (en) 2006-02-10 2007-08-16 Seiko Epson Corporation Light guide plate, mold for forming light guide plate, and method for manufacturing a mold for forming light guide plate
JP2008159274A (ja) * 2006-12-20 2008-07-10 Seiko Epson Corp 導光板、導光板成形用金型、導光板成型用金型の製造方法及び導光板の製造方法
JP2008145668A (ja) * 2006-12-08 2008-06-26 Hitachi Displays Ltd 液晶表示装置
JP5529427B2 (ja) * 2009-03-18 2014-06-25 株式会社ジャパンディスプレイ 電気光学装置及び電子機器
JP5332849B2 (ja) * 2009-04-14 2013-11-06 住友ベークライト株式会社 面発光装置および保持枠
JP5467388B2 (ja) * 2010-04-06 2014-04-09 ソニー株式会社 照明装置および表示装置
JP2011238432A (ja) 2010-05-10 2011-11-24 Fujifilm Corp 面状照明装置
CN102252175A (zh) * 2010-05-18 2011-11-23 扬升照明股份有限公司 光源模组
CN201739909U (zh) 2010-06-24 2011-02-09 深圳富泰宏精密工业有限公司 背光模组
KR101243827B1 (ko) * 2010-07-16 2013-03-18 엘지디스플레이 주식회사 도광판 및 이를 포함하는 백라이트유닛
US8702293B2 (en) * 2010-11-05 2014-04-22 Shenzhen China Star Optoelectronics Technology Co., Ltd. Light guide plate and backlight module
US8690412B2 (en) * 2012-03-15 2014-04-08 Apple Inc. Backlight structures and backlight assemblies for electronic device displays
GB2506625A (en) 2012-10-04 2014-04-09 Bae Systems Plc LCD backlight display

Also Published As

Publication number Publication date
GB2506625A (en) 2014-04-09
AU2013326308B2 (en) 2017-07-20
EP2904310A1 (fr) 2015-08-12
WO2014053832A1 (fr) 2014-04-10
JP2015536029A (ja) 2015-12-17
GB201217735D0 (en) 2012-11-14
US9720161B2 (en) 2017-08-01
AU2013326308A1 (en) 2015-04-23
US20150253491A1 (en) 2015-09-10

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