CA2543513A1 - Brightness enhancement film for backlit image displays - Google Patents

Brightness enhancement film for backlit image displays Download PDF

Info

Publication number
CA2543513A1
CA2543513A1 CA002543513A CA2543513A CA2543513A1 CA 2543513 A1 CA2543513 A1 CA 2543513A1 CA 002543513 A CA002543513 A CA 002543513A CA 2543513 A CA2543513 A CA 2543513A CA 2543513 A1 CA2543513 A1 CA 2543513A1
Authority
CA
Canada
Prior art keywords
hemi
beads
brightness enhancement
sheet
film
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.)
Abandoned
Application number
CA002543513A
Other languages
English (en)
French (fr)
Inventor
Lorne A. Whitehead
Michele Ann Mossman
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.)
University of British Columbia
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2543513A1 publication Critical patent/CA2543513A1/en
Abandoned 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
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/005—Arrays characterized by the distribution or form of lenses arranged along a single direction only, e.g. lenticular sheets
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0043—Inhomogeneous or irregular arrays, e.g. varying shape, size, height
    • 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
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement 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
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0012—Arrays characterised by the manufacturing method
    • G02B3/0031—Replication or moulding, e.g. hot embossing, UV-casting, injection moulding
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0062—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between

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)
  • Optical Elements Other Than Lenses (AREA)
CA002543513A 2004-05-07 2005-04-25 Brightness enhancement film for backlit image displays Abandoned CA2543513A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US56868204P 2004-05-07 2004-05-07
US60/568,682 2004-05-07
US11/080,565 2005-03-16
US11/080,565 US7286280B2 (en) 2004-05-07 2005-03-16 Brightness enhancement film for backlit image displays
PCT/CA2005/000630 WO2005109085A1 (en) 2004-05-07 2005-04-25 Brightness enhancement film for backlit image displays

Publications (1)

Publication Number Publication Date
CA2543513A1 true CA2543513A1 (en) 2005-11-17

Family

ID=35239183

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002543513A Abandoned CA2543513A1 (en) 2004-05-07 2005-04-25 Brightness enhancement film for backlit image displays

Country Status (6)

Country Link
US (1) US7286280B2 (https=)
EP (1) EP1743210A4 (https=)
JP (1) JP2007517250A (https=)
KR (2) KR20090033921A (https=)
CA (1) CA2543513A1 (https=)
WO (1) WO2005109085A1 (https=)

Families Citing this family (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5910854A (en) 1993-02-26 1999-06-08 Donnelly Corporation Electrochromic polymeric solid films, manufacturing electrochromic devices using such solid films, and processes for making such solid films and devices
US5668663A (en) 1994-05-05 1997-09-16 Donnelly Corporation Electrochromic mirrors and devices
US6891563B2 (en) 1996-05-22 2005-05-10 Donnelly Corporation Vehicular vision system
US6172613B1 (en) 1998-02-18 2001-01-09 Donnelly Corporation Rearview mirror assembly incorporating vehicle information display
US8294975B2 (en) 1997-08-25 2012-10-23 Donnelly Corporation Automotive rearview mirror assembly
US6124886A (en) 1997-08-25 2000-09-26 Donnelly Corporation Modular rearview mirror assembly
US6326613B1 (en) 1998-01-07 2001-12-04 Donnelly Corporation Vehicle interior mirror assembly adapted for containing a rain sensor
US6445287B1 (en) 2000-02-28 2002-09-03 Donnelly Corporation Tire inflation assistance monitoring system
US8288711B2 (en) 1998-01-07 2012-10-16 Donnelly Corporation Interior rearview mirror system with forwardly-viewing camera and a control
US6329925B1 (en) 1999-11-24 2001-12-11 Donnelly Corporation Rearview mirror assembly with added feature modular display
US6477464B2 (en) 2000-03-09 2002-11-05 Donnelly Corporation Complete mirror-based global-positioning system (GPS) navigation solution
US6693517B2 (en) 2000-04-21 2004-02-17 Donnelly Corporation Vehicle mirror assembly communicating wirelessly with vehicle accessories and occupants
US7370983B2 (en) 2000-03-02 2008-05-13 Donnelly Corporation Interior mirror assembly with display
US7167796B2 (en) 2000-03-09 2007-01-23 Donnelly Corporation Vehicle navigation system for use with a telematics system
AU2001243285A1 (en) 2000-03-02 2001-09-12 Donnelly Corporation Video mirror systems incorporating an accessory module
US7581859B2 (en) 2005-09-14 2009-09-01 Donnelly Corp. Display device for exterior rearview mirror
WO2002062623A2 (en) 2001-01-23 2002-08-15 Donnelly Corporation Improved vehicular lighting system for a mirror assembly
US7255451B2 (en) 2002-09-20 2007-08-14 Donnelly Corporation Electro-optic mirror cell
US6918674B2 (en) 2002-05-03 2005-07-19 Donnelly Corporation Vehicle rearview mirror system
US7329013B2 (en) 2002-06-06 2008-02-12 Donnelly Corporation Interior rearview mirror system with compass
AU2003237424A1 (en) 2002-06-06 2003-12-22 Donnelly Corporation Interior rearview mirror system with compass
AU2003278863A1 (en) 2002-09-20 2004-04-08 Donnelly Corporation Mirror reflective element assembly
US7310177B2 (en) 2002-09-20 2007-12-18 Donnelly Corporation Electro-optic reflective element assembly
US7446924B2 (en) 2003-10-02 2008-11-04 Donnelly Corporation Mirror reflective element assembly including electronic component
US7308341B2 (en) 2003-10-14 2007-12-11 Donnelly Corporation Vehicle communication system
US20060103777A1 (en) * 2004-11-15 2006-05-18 3M Innovative Properties Company Optical film having a structured surface with rectangular based prisms
US7416309B2 (en) * 2004-12-30 2008-08-26 3M Innovative Properties Company Optical film having a surface with rounded structures
US7320538B2 (en) * 2004-12-30 2008-01-22 3M Innovative Properties Company Optical film having a structured surface with concave pyramid-shaped structures
US7220026B2 (en) * 2004-12-30 2007-05-22 3M Innovative Properties Company Optical film having a structured surface with offset prismatic structures
US20060250707A1 (en) * 2005-05-05 2006-11-09 3M Innovative Properties Company Optical film having a surface with rounded pyramidal structures
ATE517368T1 (de) 2005-05-16 2011-08-15 Donnelly Corp Fahrzeugspiegelanordnung mit zeichen am reflektierenden teil
US20070024994A1 (en) * 2005-07-29 2007-02-01 3M Innovative Properties Company Structured optical film with interspersed pyramidal structures
CN101535087B (zh) 2005-11-01 2013-05-15 唐纳利公司 具有显示装置的内部后视镜
US20070263291A1 (en) * 2006-05-15 2007-11-15 The University Of British Columbia Micro-hemisphere array fabrication
US7592996B2 (en) 2006-06-02 2009-09-22 Samsung Electronics Co., Ltd. Multiprimary color display with dynamic gamut mapping
US20080037261A1 (en) * 2006-08-10 2008-02-14 Eastman Kodak Company Partially submerged bead monolayer
KR100806132B1 (ko) 2006-08-18 2008-02-22 신화인터텍 주식회사 확산 시트, 이를 포함하는 백라이트 어셈블리 및 액정 표시장치
TWM307132U (en) * 2006-09-22 2007-03-01 Eternal Chemical Co Ltd Optic film
US7548677B2 (en) * 2006-10-12 2009-06-16 Microsoft Corporation Interactive display using planar radiation guide
TW200907417A (en) * 2007-08-15 2009-02-16 Delta Electronics Inc Backlight module and optical film thereof
US8115920B2 (en) * 2007-11-14 2012-02-14 3M Innovative Properties Company Method of making microarrays
US7708446B2 (en) * 2008-02-26 2010-05-04 Sabic Innovative Plastic Ip B.V. Display film stacks and a method of modeling the films
US8154418B2 (en) 2008-03-31 2012-04-10 Magna Mirrors Of America, Inc. Interior rearview mirror system
US20090316417A1 (en) * 2008-06-20 2009-12-24 Rohm And Haas Denmark Finance A/S Light-redirecting article
US9487144B2 (en) 2008-10-16 2016-11-08 Magna Mirrors Of America, Inc. Interior mirror assembly with display
CN101936483A (zh) * 2009-07-01 2011-01-05 绎立锐光科技开发(深圳)有限公司 背光源及其减薄方法、带背光源的液晶显示装置
US8142041B2 (en) * 2009-08-27 2012-03-27 Sabic Innovative Plastics Ip B.V. Lenticular film and backlight modules for use therewith
US8353617B2 (en) * 2009-09-03 2013-01-15 Sharp Kabushiki Kaisha Backlight
KR101718571B1 (ko) 2009-10-23 2017-03-21 쓰리엠 이노베이티브 프로퍼티즈 컴파니 광학 구조물 및 그의 제조 방법
EP2671141B1 (en) 2011-02-02 2016-05-25 FlatFrog Laboratories AB Optical incoupling for touch-sensitive systems
CN105247412B (zh) 2013-03-26 2019-07-23 清墨显示股份有限责任公司 用于抑制tir的移位多孔电极
US9280029B2 (en) 2013-05-13 2016-03-08 Clearink Displays, Inc. Registered reflective element for a brightness enhanced TIR display
WO2014189751A1 (en) 2013-05-22 2014-11-27 Clearink Displays Llc Method and apparatus for improved color filter saturation
KR102060221B1 (ko) 2013-07-08 2019-12-27 클리어잉크 디스플레이스, 인코포레이티드 Ｔｉｒ 조절된 광 시야 각도 디스플레이
US10705404B2 (en) 2013-07-08 2020-07-07 Concord (Hk) International Education Limited TIR-modulated wide viewing angle display
US9740075B2 (en) 2013-09-10 2017-08-22 Clearink Displays, Inc. Method and system for perforated reflective film display device
JP6272621B2 (ja) 2013-09-30 2018-01-31 クリアインク ディスプレイズ, インコーポレイテッドClearink Displays, Inc. フロント照明型半再帰反射ディスプレイのための方法及び装置
US9967546B2 (en) 2013-10-29 2018-05-08 Vefxi Corporation Method and apparatus for converting 2D-images and videos to 3D for consumer, commercial and professional applications
US20150116458A1 (en) 2013-10-30 2015-04-30 Barkatech Consulting, LLC Method and apparatus for generating enhanced 3d-effects for real-time and offline appplications
US10158847B2 (en) 2014-06-19 2018-12-18 Vefxi Corporation Real—time stereo 3D and autostereoscopic 3D video and image editing
US9897890B2 (en) 2014-10-07 2018-02-20 Clearink Displays, Inc. Reflective image display with threshold
KR20170072232A (ko) 2014-10-08 2017-06-26 클리어잉크 디스플레이스, 인코포레이티드 정렬된 컬러 필터 반사 디스플레이
KR102397362B1 (ko) * 2015-05-28 2022-05-20 엘지이노텍 주식회사 조명장치 및 이를 포함하는 차량용램프
US10386691B2 (en) * 2015-06-24 2019-08-20 CLEARink Display, Inc. Method and apparatus for a dry particle totally internally reflective image display
US10261221B2 (en) 2015-12-06 2019-04-16 Clearink Displays, Inc. Corner reflector reflective image display
US10386547B2 (en) 2015-12-06 2019-08-20 Clearink Displays, Inc. Textured high refractive index surface for reflective image displays
CN116679845A (zh) 2017-02-06 2023-09-01 平蛙实验室股份公司 触摸感测装置
US11256371B2 (en) 2017-09-01 2022-02-22 Flatfrog Laboratories Ab Optical component
WO2019172826A1 (en) 2018-03-05 2019-09-12 Flatfrog Laboratories Ab Improved touch-sensing apparatus
US12055969B2 (en) 2018-10-20 2024-08-06 Flatfrog Laboratories Ab Frame for a touch-sensitive device and tool therefor
CN114730228A (zh) 2019-11-25 2022-07-08 平蛙实验室股份公司 一种触摸感应设备
WO2021158164A1 (en) 2020-02-08 2021-08-12 Flatfrog Laboratories Ab Touch apparatus with low latency interactions
KR102950284B1 (ko) 2020-02-10 2026-04-09 플라트프로그 라보라토리즈 에이비 향상된 터치-감지 장치

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2378252A (en) * 1942-06-30 1945-06-12 Eastman Kodak Co Projection screen
GB2272555A (en) * 1992-11-11 1994-05-18 Sharp Kk Stereoscopic display using a light modulator
US5598280A (en) * 1993-03-23 1997-01-28 Dai Nippon Printing Co., Ltd. Film lens and a surface light source using the same
US5563738A (en) * 1993-09-03 1996-10-08 Jenmar Visual Systems Light transmitting and dispersing filter having low reflectance
US5396350A (en) * 1993-11-05 1995-03-07 Alliedsignal Inc. Backlighting apparatus employing an array of microprisms
US5428468A (en) * 1993-11-05 1995-06-27 Alliedsignal Inc. Illumination system employing an array of microprisms
US5598281A (en) * 1993-11-19 1997-01-28 Alliedsignal Inc. Backlight assembly for improved illumination employing tapered optical elements
US5395350A (en) * 1994-02-14 1995-03-07 Summers; Daniel A. Paracentesis valve
US5839812A (en) * 1995-07-18 1998-11-24 Gl Displays, Inc. Flat parallel light source
US5661531A (en) * 1996-01-29 1997-08-26 Rainbow Displays Inc. Tiled, flat-panel display having invisible seams
US5917664A (en) * 1996-02-05 1999-06-29 3M Innovative Properties Company Brightness enhancement film with soft cutoff
JP3373106B2 (ja) * 1996-03-27 2003-02-04 株式会社きもと 光学フィルム
US6752505B2 (en) * 1999-02-23 2004-06-22 Solid State Opto Limited Light redirecting films and film systems
JP2001188230A (ja) * 1999-12-28 2001-07-10 Fuji Photo Film Co Ltd 液晶表示装置
US6876408B2 (en) * 2000-02-14 2005-04-05 Fuji Photo Film Co., Ltd. Collimating plate, lighting apparatus and liquid crystal display apparatus
KR100806093B1 (ko) * 2000-04-27 2008-02-21 가부시키가이샤 구라레 면광원소자 및 이를 사용한 표시장치
JP2002075289A (ja) * 2000-08-25 2002-03-15 Fuji Photo Film Co Ltd 平面型蛍光ランプ及び光定着装置
US6697042B1 (en) * 2000-11-27 2004-02-24 Rainbow Displays, Inc. Backlight assembly for collimated illumination
US6425674B1 (en) 2001-01-10 2002-07-30 Opto-Prolite Electronic Co., Ltd. Back lighting plate
JP4421120B2 (ja) * 2001-01-23 2010-02-24 日東電工株式会社 液晶表示用広視野角偏光フィルムの製造方法
US6903788B2 (en) * 2001-07-05 2005-06-07 Nitto Denko Corporation Optical film and a liquid crystal display using the same
US6891658B2 (en) * 2002-03-04 2005-05-10 The University Of British Columbia Wide viewing angle reflective display
US6865011B2 (en) * 2002-07-30 2005-03-08 The University Of British Columbia Self-stabilized electrophoretically frustrated total internal reflection display
US7164536B2 (en) * 2005-03-16 2007-01-16 The University Of British Columbia Optically coupled toroidal lens:hemi-bead brightness enhancer for total internal reflection modulated image displays

Also Published As

Publication number Publication date
EP1743210A1 (en) 2007-01-17
KR20090033921A (ko) 2009-04-06
KR20060093344A (ko) 2006-08-24
US20050248848A1 (en) 2005-11-10
JP2007517250A (ja) 2007-06-28
EP1743210A4 (en) 2007-11-07
WO2005109085A1 (en) 2005-11-17
US7286280B2 (en) 2007-10-23

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued