WO2009025103A1 - 面光源装置 - Google Patents

面光源装置 Download PDF

Info

Publication number
WO2009025103A1
WO2009025103A1 PCT/JP2008/057820 JP2008057820W WO2009025103A1 WO 2009025103 A1 WO2009025103 A1 WO 2009025103A1 JP 2008057820 W JP2008057820 W JP 2008057820W WO 2009025103 A1 WO2009025103 A1 WO 2009025103A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
diffusion layer
light source
light diffusion
rear surface
Prior art date
Application number
PCT/JP2008/057820
Other languages
English (en)
French (fr)
Inventor
Minoru Shimizu
Yoshiya Kurachi
Original Assignee
Mitsubishi Rayon 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 Mitsubishi Rayon Co., Ltd. filed Critical Mitsubishi Rayon Co., Ltd.
Priority to JP2008522138A priority Critical patent/JP5097704B2/ja
Priority to CN200880112490A priority patent/CN101836037A/zh
Priority to KR1020107006061A priority patent/KR101465289B1/ko
Publication of WO2009025103A1 publication Critical patent/WO2009025103A1/ja

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
    • 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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

　高輝度且つ輝度分布が最適な面光源装置を提供するため、光の出射面と１面以上の光の入射面を有する導光板と、前記入射面に光を供給する光源と、前記導光板の光の出射面の裏面上に形成された光拡散層と、前記裏面側に配設された反射板とを備えた面光源装置であって、前記光拡散層は、光源から遠ざかるに従い前記裏面の単位面積当たりに占める前記光拡散層の面積の割合が増大するように分散し、前記光拡散層表面の十点平均粗さが８μｍ～２５μｍであり、前記光拡散層表面の凹凸の平均間隔が２０μｍ～１５０μｍとする。
PCT/JP2008/057820 2007-08-22 2008-04-23 面光源装置 WO2009025103A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2008522138A JP5097704B2 (ja) 2007-08-22 2008-04-23 面光源装置
CN200880112490A CN101836037A (zh) 2007-08-22 2008-04-23 面光源装置
KR1020107006061A KR101465289B1 (ko) 2007-08-22 2008-04-23 면 광원 장치

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007216127 2007-08-22
JP2007-216127 2007-08-22

Publications (1)

Publication Number Publication Date
WO2009025103A1 true WO2009025103A1 (ja) 2009-02-26

Family

ID=40378012

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/057820 WO2009025103A1 (ja) 2007-08-22 2008-04-23 面光源装置

Country Status (5)

Country Link
JP (1) JP5097704B2 (ja)
KR (1) KR101465289B1 (ja)
CN (1) CN101836037A (ja)
TW (1) TWI422921B (ja)
WO (1) WO2009025103A1 (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102033357A (zh) * 2009-09-29 2011-04-27 乐金显示有限公司 液晶显示装置及背光单元
JP4873674B1 (ja) * 2011-01-22 2012-02-08 株式会社サガラプロセス印刷 スクリーン印刷物
JP2012028328A (ja) * 2010-07-23 2012-02-09 Entire Technology Co Ltd 微小構造を具える導光装置及び該導光装置を有するバックライトモジュール及び液晶ディスプレイ
JP2012028326A (ja) * 2010-07-23 2012-02-09 Entire Technology Co Ltd 反射均一光導光装置及び該反射均一光導光装置を有するバックライトモジュール及び液晶ディスプレイ
WO2012153650A1 (ja) * 2011-05-06 2012-11-15 住友化学株式会社 導光板の製造方法
JP2013510402A (ja) * 2009-11-05 2013-03-21 エルジー・ケム・リミテッド バックライトユニット
US9632218B2 (en) 2014-07-25 2017-04-25 Avery Dennison Corporation Two-in-one translucent and colored film

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011159435A (ja) * 2010-01-29 2011-08-18 Sumitomo Chemical Co Ltd エッジライト式照明装置
EP2641127B1 (en) 2010-11-15 2017-11-01 LG Innotek Co., Ltd. Backlight unit
CN102914813A (zh) * 2011-08-04 2013-02-06 鸿富锦精密工业（深圳）有限公司 复合型导光板及其制造方法
WO2013038655A1 (ja) * 2011-09-15 2013-03-21 シャープ株式会社 照明装置及びそれを備えた表示装置
CN102606926A (zh) * 2012-03-14 2012-07-25 昆山市诚泰电气股份有限公司 平板led灯
CN103727454A (zh) * 2012-10-16 2014-04-16 群康科技(深圳)有限公司 导光板、发光模块及显示装置
KR102012744B1 (ko) * 2012-12-17 2019-08-21 엘지이노텍 주식회사 차량용 면조명
WO2018058297A1 (zh) * 2016-09-27 2018-04-05 深圳市大疆创新科技有限公司 无人飞行器的航行灯和无人飞行器
CN112408160A (zh) * 2020-11-06 2021-02-26 日立电梯（中国）有限公司 照明结构及电梯

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10133022A (ja) * 1996-10-30 1998-05-22 Mitsubishi Chem Corp 面光源装置
JP2000067624A (ja) * 1998-08-13 2000-03-03 Mitsubishi Chemicals Corp 面光源装置
JP2001143513A (ja) * 1999-11-15 2001-05-25 Yuka Denshi Kk 面光源装置及びこれを用いた液晶ディスプレイ装置
JP2004050685A (ja) * 2002-07-22 2004-02-19 Asahi Kasei Chemicals Corp 導光板製造用金属板、それを用いた導光板の製造方法及び導光板

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002148443A (ja) * 2000-11-08 2002-05-22 Asahi Kasei Corp 面発光体

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10133022A (ja) * 1996-10-30 1998-05-22 Mitsubishi Chem Corp 面光源装置
JP2000067624A (ja) * 1998-08-13 2000-03-03 Mitsubishi Chemicals Corp 面光源装置
JP2001143513A (ja) * 1999-11-15 2001-05-25 Yuka Denshi Kk 面光源装置及びこれを用いた液晶ディスプレイ装置
JP2004050685A (ja) * 2002-07-22 2004-02-19 Asahi Kasei Chemicals Corp 導光板製造用金属板、それを用いた導光板の製造方法及び導光板

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102033357A (zh) * 2009-09-29 2011-04-27 乐金显示有限公司 液晶显示装置及背光单元
CN102033357B (zh) * 2009-09-29 2014-05-07 乐金显示有限公司 液晶显示装置及背光单元
JP2013510402A (ja) * 2009-11-05 2013-03-21 エルジー・ケム・リミテッド バックライトユニット
JP2012028328A (ja) * 2010-07-23 2012-02-09 Entire Technology Co Ltd 微小構造を具える導光装置及び該導光装置を有するバックライトモジュール及び液晶ディスプレイ
JP2012028326A (ja) * 2010-07-23 2012-02-09 Entire Technology Co Ltd 反射均一光導光装置及び該反射均一光導光装置を有するバックライトモジュール及び液晶ディスプレイ
JP4873674B1 (ja) * 2011-01-22 2012-02-08 株式会社サガラプロセス印刷 スクリーン印刷物
WO2012153650A1 (ja) * 2011-05-06 2012-11-15 住友化学株式会社 導光板の製造方法
US9632218B2 (en) 2014-07-25 2017-04-25 Avery Dennison Corporation Two-in-one translucent and colored film

Also Published As

Publication number Publication date
KR101465289B1 (ko) 2014-11-26
JP5097704B2 (ja) 2012-12-12
TW200909941A (en) 2009-03-01
JPWO2009025103A1 (ja) 2010-11-18
CN101836037A (zh) 2010-09-15
KR20100074147A (ko) 2010-07-01
TWI422921B (zh) 2014-01-11

Similar Documents

Publication Publication Date Title
WO2009025103A1 (ja) 面光源装置
WO2010071295A3 (ko) 엘이디 가로등
WO2008114882A1 (ja) ライトボックス
TW200712564A (en) Brightness enhancement film having a light-guiding layer
TWI263093B (en) Diffusion plate and direct backlight
TW200721557A (en) Light-emitting module, and display unit and lighting unit using the same
TW200626830A (en) Flat-panel area illumination system
TW200636359A (en) Light-emitting apparatus having a plurality of overlapping panels forming recesses from which light is emitted
TW200717127A (en) Backlight unit capable of easily forming curved and three-dimensional shape
WO2009048053A1 (ja) 中空式面照明装置
TW200713640A (en) Electroluminescence light source
WO2010033341A3 (en) Optical disk for lighting module
MX2010007694A (es) Aparato de iluminacion que utiliza diodo emisor de luz.
TW200632254A (en) Backlight module
WO2008019041A3 (en) Led lighting arrangement including light emitting phosphor
TW200643493A (en) A light guide plate having curved grooves
WO2010027672A3 (en) Phosphor-converted led
WO2009085500A3 (en) Light distribution using a light emitting diode assembly
TW200708853A (en) Light-guide plate and the backlight module having the same
WO2005124887A3 (en) Led with improved light emission profile
WO2008106915A3 (de) Anordnung mit einem halbleiterchip und einer lichtleiterschicht
TW200642126A (en) Electroluminescent light source
TW200733422A (en) Semiconductor light emitting device
TW200723558A (en) Light emitting device capable of enhancing reflection efficiency
WO2006105346A3 (en) Small form factor downlight system

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200880112490.7

Country of ref document: CN

ENP Entry into the national phase

Ref document number: 2008522138

Country of ref document: JP

Kind code of ref document: A

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08751958

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 1538/CHENP/2010

Country of ref document: IN

ENP Entry into the national phase

Ref document number: 20107006061

Country of ref document: KR

Kind code of ref document: A

122 Ep: pct application non-entry in european phase

Ref document number: 08751958

Country of ref document: EP

Kind code of ref document: A1