JP6305687B2 - ナノ蛍光体シート及びバックライト装置 - Google Patents

ナノ蛍光体シート及びバックライト装置 Download PDF

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JP6305687B2
JP6305687B2 JP2013080052A JP2013080052A JP6305687B2 JP 6305687 B2 JP6305687 B2 JP 6305687B2 JP 2013080052 A JP2013080052 A JP 2013080052A JP 2013080052 A JP2013080052 A JP 2013080052A JP 6305687 B2 JP6305687 B2 JP 6305687B2
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core
light
shell
base film
coating layer
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JP2014040572A (ja
JP2014040572A5 (enExample
Inventor
東 勳 金
東 勳 金
賢 華 宋
賢 華 宋
承 煥 鄭
承 煥 鄭
永 峻 崔
永 峻 崔
秉 春 楊
秉 春 楊
ハン メ 車
ハン メ 車
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Samsung Display Co Ltd
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Samsung Display Co Ltd
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/003—Lens or lenticular 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
    • G02B6/0035—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
    • 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
    • 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
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • 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
    • G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk 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
    • 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
    • G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/36—Micro- or nanomaterials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Planar Illumination Modules (AREA)
  • Luminescent Compositions (AREA)
  • Optical Filters (AREA)
  • Liquid Crystal (AREA)
JP2013080052A 2012-08-23 2013-04-08 ナノ蛍光体シート及びバックライト装置 Active JP6305687B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020120092429A KR101971123B1 (ko) 2012-08-23 2012-08-23 나노 형광체 시트 및 백라이트 장치
KR10-2012-0092429 2012-08-23

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JP2014040572A JP2014040572A (ja) 2014-03-06
JP2014040572A5 JP2014040572A5 (enExample) 2016-06-02
JP6305687B2 true JP6305687B2 (ja) 2018-04-04

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US (1) US9240132B2 (enExample)
EP (2) EP2700998B1 (enExample)
JP (1) JP6305687B2 (enExample)
KR (1) KR101971123B1 (enExample)
CN (1) CN103629627B (enExample)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105473931B (zh) * 2013-08-12 2018-08-24 堺显示器制品株式会社 光源装置以及显示装置
WO2015037968A1 (ko) * 2013-09-16 2015-03-19 주식회사 엘지화학 광 산란 시트, 이를 포함하는 전자 소자 및 이의 제조방법
JP6159351B2 (ja) * 2014-05-19 2017-07-05 富士フイルム株式会社 波長変換部材、バックライトユニット、および液晶表示装置、ならびに波長変換部材の製造方法
CN107155355A (zh) 2014-06-10 2017-09-12 康宁股份有限公司 图案化玻璃光导以及包括该图案化玻璃光导的显示设备
EP2960713B1 (en) 2014-06-27 2017-06-28 LG Electronics Inc. Backlight unit and display device having the same
KR101581762B1 (ko) * 2014-06-27 2016-01-04 엘지전자 주식회사 백라이트유닛 및 이를 구비하는 디스플레이 장치
KR101538366B1 (ko) * 2014-07-30 2015-07-22 삼성전자주식회사 디스플레이 어셈블리 및 디스플레이 어셈블리를 이용하는 디스플레이 장치
KR102278308B1 (ko) * 2014-10-15 2021-07-19 삼성디스플레이 주식회사 백라이트 유닛 및 이를 포함한 표시장치
US10571619B2 (en) 2014-10-16 2020-02-25 Toppan Printing Co., Ltd. Quantum dot protective film, quantum dot film using same, and backlight unit
WO2016076322A1 (ja) * 2014-11-14 2016-05-19 凸版印刷株式会社 光学フィルム、それを用いた光学バリアフィルム、色変換フィルム、及びバックライトユニット
KR102279386B1 (ko) * 2015-02-03 2021-07-21 삼성전자주식회사 디스플레이 장치
WO2016158192A1 (ja) * 2015-03-30 2016-10-06 凸版印刷株式会社 光学フィルム及びその製造方法、並びに、光学バリアフィルム及び色変換フィルム
CN104696830A (zh) * 2015-03-30 2015-06-10 合肥京东方光电科技有限公司 一种背光模组、显示装置及背光模组的制作方法
CN104930375B (zh) * 2015-06-19 2018-06-15 武汉华星光电技术有限公司 量子管发光装置、背光模组及液晶显示器
JP6716870B2 (ja) * 2015-07-14 2020-07-01 大日本印刷株式会社 量子ドットシート、バックライト及び液晶表示装置
JP6641946B2 (ja) * 2015-12-04 2020-02-05 凸版印刷株式会社 光学バリアフィルム、色変換フィルム及びバックライトユニット
CN105891936B (zh) * 2016-05-20 2019-11-01 京东方科技集团股份有限公司 导光元件及其制作方法以及背光模组
KR102151510B1 (ko) * 2016-07-20 2020-09-03 후지필름 가부시키가이샤 양자 도트 함유 조성물, 파장 변환 부재, 백라이트 유닛, 및 액정 표시 장치
KR20240172245A (ko) * 2016-12-06 2024-12-09 도판 홀딩스 가부시키가이샤 광학 필름, 그리고, 그것을 사용한 광학 배리어 필름, 색 변환 필름 및 백라이트 유닛
CN107065299A (zh) * 2016-12-31 2017-08-18 惠科股份有限公司 背光模块的制造方法
JP2018111764A (ja) * 2017-01-11 2018-07-19 シャープ株式会社 波長変換部材および発光装置
US10483441B2 (en) * 2017-06-09 2019-11-19 Sharp Kabushiki Kaisha Phosphor containing particle, and light emitting device and phosphor containing sheet using the same
JP6712968B2 (ja) * 2017-06-09 2020-06-24 シャープ株式会社 蛍光体含有粒子およびそれを用いた発光装置、蛍光体含有シート
KR102359594B1 (ko) 2017-09-19 2022-02-07 엘지디스플레이 주식회사 복합 무기 발광 재료, 발광 필름, 이를 포함하는 엘이디 패키지, 발광다이오드 및 발광장치
CN110231734A (zh) * 2018-03-06 2019-09-13 中强光电股份有限公司 光源模块及其面光源组件
CN110456555B (zh) * 2019-08-27 2022-03-15 昆山工研院新型平板显示技术中心有限公司 彩色滤光片及其制备方法
KR102873444B1 (ko) 2019-09-23 2025-10-20 삼성전자주식회사 디스플레이 장치, 이에 구비되는 도광판 및 그 제조 방법
CN110718618B (zh) * 2019-10-18 2021-01-15 吉林大学 基于量子点的模拟太阳光谱的wled的制造方法以及智能灯泡
US11294115B1 (en) * 2020-02-03 2022-04-05 Wah Hong Industrial Corp. Enhanced light diffusion film structure
TW202134759A (zh) * 2020-02-10 2021-09-16 美商康寧公司 包含圖案化反射器的背光
CN111948854A (zh) * 2020-08-21 2020-11-17 安徽芯瑞达科技股份有限公司 一种基于芯片级发光面的超薄直下式背光模组
KR102823693B1 (ko) * 2020-12-11 2025-06-24 엘지디스플레이 주식회사 백라이트 유닛 및 디스플레이 장치
KR102592398B1 (ko) * 2021-05-12 2023-10-25 한국화학연구원 복합형광구조체 및 이의 제조방법

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2218762A3 (en) * 2001-07-20 2010-09-29 Life Technologies Corporation Luminescent nanoparticles and methods for their preparation
US7481562B2 (en) 2004-11-18 2009-01-27 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Device and method for providing illuminating light using quantum dots
KR100691273B1 (ko) 2005-08-23 2007-03-12 삼성전기주식회사 복합 형광체 분말, 이를 이용한 발광 장치 및 복합 형광체분말의 제조 방법
KR100735320B1 (ko) * 2005-12-27 2007-07-04 삼성전기주식회사 형광체막 형성방법 및 이를 이용한 발광다이오드 패키지제조방법
US8884511B2 (en) * 2006-07-10 2014-11-11 Hewlett-Packard Development Company, L.P. Luminescent materials having nanocrystals exhibiting multi-modal energy level distributions
US8106578B2 (en) * 2006-12-12 2012-01-31 Oryon Technologies, Llc Highly transmissive electroluminescent lamp having a light emissive layer composition incorporating phosphor nano-particles and dielectric nano-particles
US20100110728A1 (en) 2007-03-19 2010-05-06 Nanosys, Inc. Light-emitting diode (led) devices comprising nanocrystals
CN101765792B (zh) 2007-09-27 2014-12-31 木本股份有限公司 表面凹凸膜及光扩散性片
KR101460155B1 (ko) 2008-01-15 2014-11-10 삼성전자주식회사 백라이트 유닛 및 이를 구비한 액정 디스플레이 장치
GB0821122D0 (en) * 2008-11-19 2008-12-24 Nanoco Technologies Ltd Semiconductor nanoparticle - based light emitting devices and associated materials and methods
CN201437941U (zh) 2009-04-30 2010-04-14 达运精密工业(苏州)有限公司 Led背光模组及液晶显示装置
CN102576163B (zh) * 2009-10-28 2015-08-26 惠普发展公司,有限责任合伙企业 利用发光的单层反射式显示器
KR101833313B1 (ko) 2010-01-28 2018-03-02 이섬 리서치 디벨러프먼트 컴파니 오브 더 히브루 유니버시티 오브 예루살렘 엘티디. 규정된 컬러 방출을 위한 조명 장치
KR20120021731A (ko) * 2010-08-16 2012-03-09 엘지이노텍 주식회사 양자점을 사용한 백라이트 유닛용 부재 및 그 제조 방법
KR101154368B1 (ko) * 2010-09-27 2012-06-15 엘지이노텍 주식회사 광변환부재 제조방법 및 그 제조방법으로 제조된 광변환부재를 포함하는 백라이트 유닛
KR101210158B1 (ko) * 2010-11-04 2012-12-07 엘지이노텍 주식회사 표시장치 및 광 변환 부재
KR20200039806A (ko) * 2010-11-10 2020-04-16 나노시스, 인크. 양자 도트 필름들, 조명 디바이스들, 및 조명 방법들
US20120138874A1 (en) * 2010-12-02 2012-06-07 Intematix Corporation Solid-state light emitting devices and signage with photoluminescence wavelength conversion and photoluminescent compositions therefor
KR101744871B1 (ko) * 2010-12-08 2017-06-08 엘지디스플레이 주식회사 액정표시장치
KR101221921B1 (ko) * 2011-07-05 2013-01-15 엘지전자 주식회사 이동 단말기
JP5102398B2 (ja) * 2012-03-05 2012-12-19 富士フイルム株式会社 放射線画像検出器

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EP2700998B1 (en) 2017-08-02
US9240132B2 (en) 2016-01-19
KR101971123B1 (ko) 2019-04-23
CN103629627A (zh) 2014-03-12
EP3252527B1 (en) 2019-04-03
EP3252527A1 (en) 2017-12-06
EP2700998A1 (en) 2014-02-26
US20140056024A1 (en) 2014-02-27

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