TWI346235B - Diffraction-type convergent film and plane light-source device using the same - Google Patents

Diffraction-type convergent film and plane light-source device using the same

Info

Publication number
TWI346235B
TWI346235B TW094109254A TW94109254A TWI346235B TW I346235 B TWI346235 B TW I346235B TW 094109254 A TW094109254 A TW 094109254A TW 94109254 A TW94109254 A TW 94109254A TW I346235 B TWI346235 B TW I346235B
Authority
TW
Taiwan
Prior art keywords
diffraction
same
source device
plane light
type convergent
Prior art date
Application number
TW094109254A
Other languages
English (en)
Other versions
TW200604673A (en
Inventor
Tokutaro Komatsu
Yasuhiko Awano
Original Assignee
Hitachi Chemical Co 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 Hitachi Chemical Co Ltd filed Critical Hitachi Chemical Co Ltd
Publication of TW200604673A publication Critical patent/TW200604673A/zh
Application granted granted Critical
Publication of TWI346235B publication Critical patent/TWI346235B/zh

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
    • G02B5/1871—Transmissive phase gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements
    • 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
    • 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
    • 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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side

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)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
TW094109254A 2004-07-23 2005-03-25 Diffraction-type convergent film and plane light-source device using the same TWI346235B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004215548 2004-07-23

Publications (2)

Publication Number Publication Date
TW200604673A TW200604673A (en) 2006-02-01
TWI346235B true TWI346235B (en) 2011-08-01

Family

ID=35786024

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094109254A TWI346235B (en) 2004-07-23 2005-03-25 Diffraction-type convergent film and plane light-source device using the same

Country Status (5)

Country Link
US (1) US7688511B2 (zh)
KR (1) KR101117363B1 (zh)
CN (1) CN100507615C (zh)
TW (1) TWI346235B (zh)
WO (1) WO2006011268A1 (zh)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101166602B1 (ko) * 2006-06-14 2012-07-18 히다치 가세고교 가부시끼가이샤 수지 조성물, 및 이것을 이용하여 이루어지는 적층형 광학부재
KR101407576B1 (ko) * 2007-04-12 2014-06-13 삼성디스플레이 주식회사 색분산이 개선된 백라이트 장치
JP5033545B2 (ja) * 2007-09-05 2012-09-26 株式会社日立製作所 映像表示装置
US8248554B2 (en) * 2009-06-19 2012-08-21 Apple Inc. Edge-lit backlight unit with thin profile
US20120120467A1 (en) * 2010-11-17 2012-05-17 Qualcomm Mems Technologies, Inc. Hybrid light guide with faceted and holographic light turning features
US10534114B2 (en) * 2010-12-31 2020-01-14 Luminit LLC. Substrate-guided holographic diffuser
CN102818203B (zh) * 2011-06-07 2015-06-03 株式会社小糸制作所 车辆用灯具
TWI470319B (zh) * 2011-07-05 2015-01-21 Chi Mei Materials Technology Corp 液晶顯示器
CN102628968B (zh) * 2012-01-04 2013-08-07 京东方科技集团股份有限公司 一种聚光膜、背光模组和液晶显示面板
US8944662B2 (en) 2012-08-13 2015-02-03 3M Innovative Properties Company Diffractive luminaires
KR102161650B1 (ko) * 2012-08-13 2020-10-05 코베스트로 도이칠란드 아게 액정 디스플레이용 조명 디바이스
CN105556944B (zh) * 2012-11-28 2019-03-08 核心光电有限公司 多孔径成像系统和方法
JP6226220B2 (ja) * 2012-12-27 2017-11-08 大日本印刷株式会社 照明装置、投射装置、スキャナおよび露光装置
US10551549B2 (en) * 2013-04-30 2020-02-04 Lg Display Co., Ltd. Condensing sheet, backlight unit and liquid crystal display device using the same
CN103244875B (zh) * 2013-05-30 2015-05-27 上海交通大学 一种具有纳米金属光栅的显示用背光结构
TWI526741B (zh) * 2015-01-14 2016-03-21 友達光電股份有限公司 背光模組
TWI594054B (zh) 2016-11-04 2017-08-01 友達光電股份有限公司 具量子點的背光模組及其製造方法
JP6857297B2 (ja) * 2016-12-22 2021-04-14 日亜化学工業株式会社 導光板、面光源装置、表示装置及び電子機器
CN109407371B (zh) * 2018-01-19 2020-11-03 精电(河源)显示技术有限公司 一种防反射薄型液晶显示屏
KR102525223B1 (ko) * 2018-02-05 2023-04-25 삼성디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 표시 장치
CN110275295B (zh) * 2018-03-14 2022-09-16 蒋晶 衍射显示系统
CN108870201A (zh) * 2018-06-27 2018-11-23 朗昭创新控股（深圳）有限公司 背光模组
US11435585B1 (en) * 2019-10-29 2022-09-06 Meta Platforms Technologies, Llc Angularly selective dimming element, method of fabricating the same and optical device containing the same
CN115812167A (zh) * 2021-07-14 2023-03-17 瑞仪(广州)光电子器件有限公司 背光模组及显示装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05307174A (ja) 1992-04-28 1993-11-19 Omron Corp 画像表示装置
JPH0659257A (ja) 1992-08-06 1994-03-04 Seiko Epson Corp 表示装置
JP3006306B2 (ja) * 1992-09-16 2000-02-07 インターナショナル・ビジネス・マシーンズ・コーポレイション 光学的フイルム及び上記光学的フイルムを用いた液晶表示装置
JPH06294955A (ja) 1993-04-08 1994-10-21 Seiko Epson Corp 液晶表示装置
JPH0728047A (ja) 1993-07-07 1995-01-31 Seiko Epson Corp 液晶表示装置
JPH0749490A (ja) 1993-08-06 1995-02-21 Seiko Epson Corp 液晶表示装置
JPH07114015A (ja) 1993-10-19 1995-05-02 Olympus Optical Co Ltd 液晶表示装置
EP0942227B1 (en) 1994-09-27 2004-03-24 Minnesota Mining And Manufacturing Company Luminance control film
JP2950219B2 (ja) 1995-10-13 1999-09-20 オムロン株式会社 面光源装置、当該面光源装置を用いた画像表示装置及び当該面光源装置に用いるプリズムアレイ
JP2865618B2 (ja) 1996-05-31 1999-03-08 嶋田プレシジョン株式会社 導光板および導光板アセンブリ
JPH1030110A (ja) 1996-07-18 1998-02-03 Nippon Steel Corp 上底吹き転炉の吹酸方法
JP4201218B2 (ja) 1998-04-16 2008-12-24 大日本印刷株式会社 計算機ホログラム
JPH10301110A (ja) 1998-05-15 1998-11-13 Omron Corp 画像表示装置
JP2000039515A (ja) 1998-07-22 2000-02-08 Toppan Printing Co Ltd 光拡散板とそれを用いた液晶表示装置
JP4293300B2 (ja) 2001-05-24 2009-07-08 シャープ株式会社 照明装置およびそれを備える表示装置
US7102824B2 (en) * 2004-05-13 2006-09-05 The Boeing Company Optical element for efficient sensing at large angles of incidence

Also Published As

Publication number Publication date
WO2006011268A1 (ja) 2006-02-02
US20070211342A1 (en) 2007-09-13
KR101117363B1 (ko) 2012-03-08
CN1989431A (zh) 2007-06-27
CN100507615C (zh) 2009-07-01
KR20070035081A (ko) 2007-03-29
US7688511B2 (en) 2010-03-30
TW200604673A (en) 2006-02-01

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MM4A Annulment or lapse of patent due to non-payment of fees