JP7479784B2 - 光取り出し部材 - Google Patents

光取り出し部材 Download PDF

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Publication number
JP7479784B2
JP7479784B2 JP2018142100A JP2018142100A JP7479784B2 JP 7479784 B2 JP7479784 B2 JP 7479784B2 JP 2018142100 A JP2018142100 A JP 2018142100A JP 2018142100 A JP2018142100 A JP 2018142100A JP 7479784 B2 JP7479784 B2 JP 7479784B2
Authority
JP
Japan
Prior art keywords
emission control
control layer
light
light extraction
layer
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.)
Active
Application number
JP2018142100A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019194663A5 (https=
JP2019194663A (ja
Inventor
晶子 杉野
恒三 中村
大輔 服部
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.)
Nitto Denko Corp
Original Assignee
Nitto Denko Corp
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 Nitto Denko Corp filed Critical Nitto Denko Corp
Priority to PCT/JP2018/028518 priority Critical patent/WO2019026865A1/ja
Priority to TW107127021A priority patent/TWI788393B/zh
Publication of JP2019194663A publication Critical patent/JP2019194663A/ja
Priority to US16/778,386 priority patent/US11231543B2/en
Publication of JP2019194663A5 publication Critical patent/JP2019194663A5/ja
Priority to JP2023022287A priority patent/JP7496444B2/ja
Application granted granted Critical
Publication of JP7479784B2 publication Critical patent/JP7479784B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G02B6/0063—Means for improving the coupling-out of light from the light guide for extracting light out both the major surfaces 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
    • G02B6/0051—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
    • G02B6/0005—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 of the fibre type
    • 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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • 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
    • 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
    • G02B6/006—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to produce indicia, symbols, texts 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
    • G02B6/0065—Manufacturing aspects; Material aspects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)
JP2018142100A 2017-08-04 2018-07-30 光取り出し部材 Active JP7479784B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/JP2018/028518 WO2019026865A1 (ja) 2017-08-04 2018-07-31 光取り出し部材
TW107127021A TWI788393B (zh) 2017-08-04 2018-08-03 光取出構件
US16/778,386 US11231543B2 (en) 2017-08-04 2020-01-31 Light extraction member
JP2023022287A JP7496444B2 (ja) 2017-08-04 2023-02-16 光取り出し部材

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2017151389 2017-08-04
JP2017151389 2017-08-04
JP2018088040 2018-05-01
JP2018088040 2018-05-01

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2023022287A Division JP7496444B2 (ja) 2017-08-04 2023-02-16 光取り出し部材

Publications (3)

Publication Number Publication Date
JP2019194663A JP2019194663A (ja) 2019-11-07
JP2019194663A5 JP2019194663A5 (https=) 2021-07-26
JP7479784B2 true JP7479784B2 (ja) 2024-05-09

Family

ID=68469320

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018142100A Active JP7479784B2 (ja) 2017-08-04 2018-07-30 光取り出し部材

Country Status (1)

Country Link
JP (1) JP7479784B2 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112023000846A2 (pt) 2020-07-28 2023-02-07 Nitto Denko Corp Construção
JP2023125213A (ja) * 2022-02-28 2023-09-07 日東電工株式会社 積層フィルム

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013524295A (ja) 2010-04-14 2013-06-17 スリーエム イノベイティブ プロパティズ カンパニー パターン付き勾配ポリマーフィルム及び方法
JP2015534100A (ja) 2012-08-24 2015-11-26 スリーエム イノベイティブ プロパティズ カンパニー 可変屈折率光抽出層及びその作製方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6872330B2 (ja) * 2015-09-28 2021-05-19 日東電工株式会社 光学部材、ならびに、該光学部材を用いた偏光板のセットおよび液晶表示装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013524295A (ja) 2010-04-14 2013-06-17 スリーエム イノベイティブ プロパティズ カンパニー パターン付き勾配ポリマーフィルム及び方法
JP2015534100A (ja) 2012-08-24 2015-11-26 スリーエム イノベイティブ プロパティズ カンパニー 可変屈折率光抽出層及びその作製方法

Also Published As

Publication number Publication date
JP2019194663A (ja) 2019-11-07

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