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

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0035Means 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
    • G02B6/004Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01Head-up displays
    • G02B27/0101Head-up displays characterised by optical features
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0013Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023Means 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
    • G02B6/003Lens or lenticular sheet or layer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0013Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023Means 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
    • G02B6/0031Reflecting element, sheet or layer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/005Means 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
    • G02B6/0051Diffusing sheet or layer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0058Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061Means 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0065Manufacturing aspects; Material aspects
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0066Light 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
    • G02B6/0068Arrangements of plural sources, e.g. multi-colour light sources
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0066Light 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
    • G02B6/0073Light emitting diode [LED]
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0081Mechanical 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
    • G02B6/0083Details of electrical connections of light sources to drivers, circuit boards, or the like
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0081Mechanical 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
    • G02B6/0085Means for removing heat created by the light source from the package

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
IN2679DEN2015 2012-10-04 2013-10-02 IN2015DN02679A (enrdf_load_stackoverflow)

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 (en) 2012-10-04 2013-10-02 Improved lcd backlight display

Publications (1)

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

Family

ID=47225649

Family Applications (1)

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

Country Status (7)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103459096A (zh) * 2011-03-31 2013-12-18 英格索尔-兰德公司 具有集成的显示器盖和光管的显示组件,以及手持动力工具,以及包括它们的方法
GB2506625A (en) 2012-10-04 2014-04-09 Bae Systems Plc LCD backlight display
JP2017516283A (ja) 2014-05-16 2017-06-15 コーニング インコーポレイテッド 液晶表示装置用のエッジライト型バックライトユニット
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
JP2022510914A (ja) * 2018-11-30 2022-01-28 コーニング インコーポレイテッド 導光板を備えるバックライト、結果的に得られたディスプレイデバイス、それを製造する方法およびそれを使用する方法

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Publication number Priority date Publication date Assignee Title
GB2313179B (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
KR20090115810A (ko) * 2001-12-29 2009-11-06 항조우 후양 신잉 띠앤즈 리미티드 Led 및 led램프
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
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
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
AU2013326308B2 (en) 2017-07-20
JP2015536029A (ja) 2015-12-17
GB201217735D0 (en) 2012-11-14
GB2506625A (en) 2014-04-09
US9720161B2 (en) 2017-08-01
WO2014053832A1 (en) 2014-04-10
US20150253491A1 (en) 2015-09-10
AU2013326308A1 (en) 2015-04-23
EP2904310A1 (en) 2015-08-12

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