KR102861239B1 - 광학 부재 그리고 그 광학 부재를 사용한 백라이트 유닛 및 화상 표시 장치 - Google Patents

광학 부재 그리고 그 광학 부재를 사용한 백라이트 유닛 및 화상 표시 장치

Info

Publication number
KR102861239B1
KR102861239B1 KR1020227032055A KR20227032055A KR102861239B1 KR 102861239 B1 KR102861239 B1 KR 102861239B1 KR 1020227032055 A KR1020227032055 A KR 1020227032055A KR 20227032055 A KR20227032055 A KR 20227032055A KR 102861239 B1 KR102861239 B1 KR 102861239B1
Authority
KR
South Korea
Prior art keywords
layer
optical member
refractive index
index layer
low
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
KR1020227032055A
Other languages
English (en)
Korean (ko)
Other versions
KR20220159973A (ko
Inventor
다카히로 요시카와
다이스케 핫토리
료타 모리시마
아츠시 기시
Original Assignee
닛토덴코 가부시키가이샤
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 닛토덴코 가부시키가이샤 filed Critical 닛토덴코 가부시키가이샤
Publication of KR20220159973A publication Critical patent/KR20220159973A/ko
Application granted granted Critical
Publication of KR102861239B1 publication Critical patent/KR102861239B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G02B6/0065—Manufacturing aspects; Material aspects
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • 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
    • G02B6/0055—Reflecting 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/14—Protective coatings, e.g. hard coatings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)
  • Planar Illumination Modules (AREA)
KR1020227032055A 2020-03-26 2021-03-25 광학 부재 그리고 그 광학 부재를 사용한 백라이트 유닛 및 화상 표시 장치 Active KR102861239B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2020-055923 2020-03-26
JP2020055923 2020-03-26
PCT/JP2021/012444 WO2021193789A1 (ja) 2020-03-26 2021-03-25 光学部材ならびに該光学部材を用いたバックライトユニットおよび画像表示装置

Publications (2)

Publication Number Publication Date
KR20220159973A KR20220159973A (ko) 2022-12-05
KR102861239B1 true KR102861239B1 (ko) 2025-09-17

Family

ID=77890486

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020227032055A Active KR102861239B1 (ko) 2020-03-26 2021-03-25 광학 부재 그리고 그 광학 부재를 사용한 백라이트 유닛 및 화상 표시 장치

Country Status (7)

Country Link
US (1) US11994709B2 (https=)
EP (1) EP4130561A4 (https=)
JP (1) JP7389228B2 (https=)
KR (1) KR102861239B1 (https=)
CN (1) CN115398292A (https=)
TW (1) TWI900549B (https=)
WO (1) WO2021193789A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240153976A (ko) * 2022-02-28 2024-10-24 닛토덴코 가부시키가이샤 광학 부재 및 상기 광학 부재를 사용한 ar 글래스 및 헤드 마운트 디스플레이
JP2023150234A (ja) * 2022-03-31 2023-10-16 日東電工株式会社 光学積層体および光学積層体の製造方法
WO2023218407A1 (en) 2022-05-12 2023-11-16 Lumus Ltd. Compound polymer for lightguide
JP2025059267A (ja) * 2023-09-29 2025-04-10 日東電工株式会社 積層体

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002190209A (ja) * 2000-12-21 2002-07-05 Enplas Corp 面光源装置及び画像表示装置
WO2016042992A1 (ja) * 2014-09-17 2016-03-24 東レ株式会社 反射フィルムおよびそれを用いたエッジライト型バックライトユニット

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1062626A (ja) 1996-06-12 1998-03-06 Nissha Printing Co Ltd 面発光装置とその製造方法
JP2001033625A (ja) * 1999-07-19 2001-02-09 Fuji Photo Film Co Ltd マット性光学フィルム、高透過率フィルム、偏光板及びそれを用いた液晶表示装置
JP4836316B2 (ja) 1999-09-29 2011-12-14 富士フイルム株式会社 反射防止膜、偏光板、及び画像表示装置
CN100375908C (zh) 2003-06-18 2008-03-19 旭化成株式会社 抗反射膜
JP4585916B2 (ja) * 2005-05-30 2010-11-24 シャープ株式会社 バックライト装置及び液晶表示装置
JP4140736B2 (ja) 2006-03-15 2008-08-27 日東電工株式会社 粘着型光学フィルム、積層光学フィルムおよび画像表示装置
CN101441285A (zh) * 2007-11-22 2009-05-27 王嘉庆 反射片
US9182522B2 (en) 2010-04-15 2015-11-10 Nitto Denko Corporation Hard coat film, polarizing plate, image display device, and method for producing hard coat film
TWI534458B (zh) * 2010-10-20 2016-05-21 ３Ｍ新設資產公司 經保護之低折射率光學元件
JP2012189802A (ja) 2011-03-10 2012-10-04 Asahi Kasei Chemicals Corp 反射防止フィルム、偏光板及び表示装置
JP2013232406A (ja) * 2012-04-04 2013-11-14 Toray Ind Inc 白色フィルム並びにそれを用いてなるランプユニット液晶表示装置および照明装置
JP5933353B2 (ja) 2012-06-08 2016-06-08 富士フイルム株式会社 反射防止フィルム、その製造方法、偏光板、及び画像表示装置
JP5914288B2 (ja) * 2012-10-02 2016-05-11 富士フイルム株式会社 積層フィルム、光学積層フィルム、および表示装置
JP2014107028A (ja) * 2012-11-22 2014-06-09 Keiwa Inc 導光シート、エッジライト型バックライトユニット及びラップトップコンピュータ
JP6293415B2 (ja) * 2013-02-25 2018-03-14 恵和株式会社 ライトガイドフィルム、超薄型液晶バックライトユニット及び携帯型コンピュータ
KR102173117B1 (ko) * 2014-03-13 2020-11-03 엘지이노텍 주식회사 차량용 조명유닛
JP6175094B2 (ja) 2015-03-31 2017-08-02 日東電工株式会社 粘着剤組成物、透明導電層用粘着剤層、粘着剤層付偏光フィルム、及び画像表示装置
JP2017090523A (ja) * 2015-11-04 2017-05-25 日東電工株式会社 偏光板
JP6606518B2 (ja) * 2017-01-31 2019-11-13 日東電工株式会社 導光板方式液晶ディスプレイ用光学シート、導光板方式液晶ディスプレイ用バックライトユニット、および導光板方式液晶ディスプレイ
EP3382446B1 (en) * 2017-03-30 2022-03-30 InnoLux Corporation Display device
US10948648B2 (en) * 2017-09-29 2021-03-16 Reald Spark, Llc Backlights having stacked waveguide and optical components with different coefficients of friction
CN111656087A (zh) * 2018-02-02 2020-09-11 日东电工株式会社 Led背光源用膜、led背光源

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002190209A (ja) * 2000-12-21 2002-07-05 Enplas Corp 面光源装置及び画像表示装置
WO2016042992A1 (ja) * 2014-09-17 2016-03-24 東レ株式会社 反射フィルムおよびそれを用いたエッジライト型バックライトユニット

Also Published As

Publication number Publication date
KR20220159973A (ko) 2022-12-05
EP4130561A1 (en) 2023-02-08
JPWO2021193789A1 (https=) 2021-09-30
EP4130561A4 (en) 2024-03-20
US11994709B2 (en) 2024-05-28
US20230152509A1 (en) 2023-05-18
WO2021193789A1 (ja) 2021-09-30
JP7389228B2 (ja) 2023-11-29
TW202141094A (zh) 2021-11-01
TWI900549B (zh) 2025-10-11
CN115398292A (zh) 2022-11-25

Similar Documents

Publication Publication Date Title
KR102861239B1 (ko) 광학 부재 그리고 그 광학 부재를 사용한 백라이트 유닛 및 화상 표시 장치
JP7345634B2 (ja) 両面粘着剤層付光学積層体および光学装置
JP7496444B2 (ja) 光取り出し部材
KR102587273B1 (ko) 양면 점착제층이 형성된 광학 적층체
KR102769984B1 (ko) 광학 적층체
JP7479784B2 (ja) 光取り出し部材
KR102669736B1 (ko) 양면 점착제층이 형성된 광학 적층체
JP2020064093A (ja) 光学積層体
JP2023142896A (ja) 光学積層体
JP2020064128A (ja) 光学積層体

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

D22 Grant of ip right intended

Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D22-EXM-PE0701 (AS PROVIDED BY THE NATIONAL OFFICE)

PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

F11 Ip right granted following substantive examination

Free format text: ST27 STATUS EVENT CODE: A-2-4-F10-F11-EXM-PR0701 (AS PROVIDED BY THE NATIONAL OFFICE)

PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

U12 Designation fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U12-OTH-PR1002 (AS PROVIDED BY THE NATIONAL OFFICE)

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

Q13 Ip right document published

Free format text: ST27 STATUS EVENT CODE: A-4-4-Q10-Q13-NAP-PG1601 (AS PROVIDED BY THE NATIONAL OFFICE)