CN116157619A - 照明装置 - Google Patents

照明装置 Download PDF

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Publication number
CN116157619A
CN116157619A CN202180060141.0A CN202180060141A CN116157619A CN 116157619 A CN116157619 A CN 116157619A CN 202180060141 A CN202180060141 A CN 202180060141A CN 116157619 A CN116157619 A CN 116157619A
Authority
CN
China
Prior art keywords
light
guide plate
light guide
main surface
lighting device
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.)
Pending
Application number
CN202180060141.0A
Other languages
English (en)
Chinese (zh)
Inventor
中村恒三
翁宇峰
吉川贵博
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
Publication of CN116157619A publication Critical patent/CN116157619A/zh
Pending legal-status Critical Current

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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
    • G02B6/0035—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
    • 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
    • G02B6/0035—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
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/002—Table lamps, e.g. for ambient lighting
    • F21S6/003—Table lamps, e.g. for ambient lighting for task lighting, e.g. for reading or desk work, e.g. angle poise lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0004—Personal or domestic articles
    • F21V33/0012—Furniture
    • 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
    • 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
    • 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
    • G02B6/0035—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
    • G02B6/0045—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 by shaping at least a portion 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
    • G02B6/0011—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
    • 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
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0073—Light emitting diode [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/30—Lighting for domestic or personal use
    • F21W2131/301—Lighting for domestic or personal use for furniture
    • 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • 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]
    • 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]
    • F21Y2115/15—Organic light-emitting diodes [OLED]
    • 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
    • F21Y2115/20—Electroluminescent [EL] light sources

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Planar Illumination Modules (AREA)
CN202180060141.0A 2020-07-28 2021-07-16 照明装置 Pending CN116157619A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2020127344 2020-07-28
JP2020-127344 2020-07-28
JP2020-165581 2020-09-30
JP2020165581 2020-09-30
PCT/JP2021/026879 WO2022024824A1 (ja) 2020-07-28 2021-07-16 照明装置

Publications (1)

Publication Number Publication Date
CN116157619A true CN116157619A (zh) 2023-05-23

Family

ID=80036383

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180060141.0A Pending CN116157619A (zh) 2020-07-28 2021-07-16 照明装置

Country Status (7)

Country Link
US (1) US12105313B2 (https=)
EP (1) EP4191123A4 (https=)
JP (1) JP7613674B2 (https=)
KR (1) KR20230047084A (https=)
CN (1) CN116157619A (https=)
TW (1) TWI874688B (https=)
WO (1) WO2022024824A1 (https=)

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5339228A (en) * 1993-10-13 1994-08-16 Otis Elevator Company Escalator or moving walkway balustrade illumination
CN1482389A (zh) * 2003-08-15 2004-03-17 珏 王 文物展览专用可调式光纤光源
JP2009032474A (ja) * 2007-07-26 2009-02-12 Panasonic Electric Works Co Ltd 発光パネル装置
CN101672455A (zh) * 2008-09-09 2010-03-17 扬升照明股份有限公司 光源模块
US20100157619A1 (en) * 2008-12-18 2010-06-24 Jeyachandrabose Chinniah Light pipe with uniformly lit appearance
CN102326020A (zh) * 2009-03-06 2012-01-18 夏普株式会社 面状照明装置和具备该装置的显示装置
US20120268966A1 (en) * 2011-04-20 2012-10-25 Rambus Inc. Lighting assembly
CN103713353A (zh) * 2012-09-28 2014-04-09 惠和株式会社 导光片、侧光式背光单元和便携式电脑
WO2014148729A1 (en) * 2013-03-19 2014-09-25 Plum Science Surface illumination system based on a curved waveguide
CN104884307A (zh) * 2012-12-28 2015-09-02 3M创新有限公司 堆叠光导尾灯制品
US20150378087A1 (en) * 2013-02-13 2015-12-31 Quarkstar Llc Solid-State Luminaire
EP3215790A1 (en) * 2014-11-07 2017-09-13 Quarkstar LLC Stack lighter luminaire
CN108398741A (zh) * 2018-02-02 2018-08-14 厦门立达信照明有限公司 复合导光装置及一种复合导光装置的制作方法
FR3068110A1 (fr) * 2017-06-21 2018-12-28 Valeo Vision Module lumineux a eclairage variable
JP2019075352A (ja) * 2017-10-19 2019-05-16 大日本印刷株式会社 照明装置
WO2019181506A1 (ja) * 2018-03-19 2019-09-26 三菱電機株式会社 車両用灯具

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6067791U (ja) 1983-10-17 1985-05-14 株式会社東芝 脱水兼用洗濯機
JP2001176315A (ja) 1999-12-15 2001-06-29 Mitsubishi Rayon Co Ltd 面状発光照明装置およびそれを用いた卓上照明装置
JP2002298628A (ja) * 2001-03-30 2002-10-11 Minebea Co Ltd 面状照明装置
JP4385031B2 (ja) * 2006-03-31 2009-12-16 日本ライツ株式会社 導光板および平面照明装置
BRPI0806797A2 (pt) * 2007-01-19 2011-09-13 Koninkl Philips Electronics Nv dispositivo de iluminação para iluminar uma superfìcie
US8721149B2 (en) 2008-01-30 2014-05-13 Qualcomm Mems Technologies, Inc. Illumination device having a tapered light guide
JP5353556B2 (ja) * 2009-08-21 2013-11-27 ウシオ電機株式会社 光源装置
US20110244187A1 (en) 2010-04-06 2011-10-06 Modilis Holdings Llc Internal Cavity Optics
JP6046031B2 (ja) 2010-04-06 2016-12-14 クレアオプト オウ 組込み空洞を有する積層構造および関連する製造方法
CN101922632B (zh) * 2010-07-22 2012-12-19 鸿富锦精密工业（深圳）有限公司 Led照明装置
JP5528983B2 (ja) * 2010-10-15 2014-06-25 株式会社エス・ケー・ジー 照明装置
JP6049278B2 (ja) 2012-03-21 2016-12-21 日東電工株式会社 光拡散素子の製造方法および光拡散素子
US10436969B2 (en) * 2013-01-30 2019-10-08 Ideal Industries Lighting Llc Optical waveguide and luminaire incorporating same
KR102147940B1 (ko) * 2013-12-27 2020-08-25 엘지이노텍 주식회사 조명 장치
JP6067791B2 (ja) 2015-06-30 2017-01-25 古河電気工業株式会社 間接照明装置、間接照明装置からの光取出し方法
JP2016135274A (ja) 2016-03-14 2016-07-28 株式会社レーベン販売 導光部に湾曲部を有する照明器具
TW202520934A (zh) 2017-11-01 2025-05-16 日商日東電工股份有限公司 光分布結構、其製造方法及所製成的元件
CN111656085A (zh) 2018-01-26 2020-09-11 日东电工株式会社 Led照明器具用膜、led照明器具
US11442214B2 (en) 2018-03-22 2022-09-13 Nitto Denko Corporation Optical device
KR102746689B1 (ko) 2018-05-21 2024-12-26 닛토덴코 가부시키가이샤 개량된 배광 소자
JP7108839B2 (ja) 2018-05-30 2022-07-29 パナソニックＩｐマネジメント株式会社 表示装置

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5339228A (en) * 1993-10-13 1994-08-16 Otis Elevator Company Escalator or moving walkway balustrade illumination
CN1482389A (zh) * 2003-08-15 2004-03-17 珏 王 文物展览专用可调式光纤光源
JP2009032474A (ja) * 2007-07-26 2009-02-12 Panasonic Electric Works Co Ltd 発光パネル装置
CN101672455A (zh) * 2008-09-09 2010-03-17 扬升照明股份有限公司 光源模块
US20100157619A1 (en) * 2008-12-18 2010-06-24 Jeyachandrabose Chinniah Light pipe with uniformly lit appearance
CN102326020A (zh) * 2009-03-06 2012-01-18 夏普株式会社 面状照明装置和具备该装置的显示装置
US20120268966A1 (en) * 2011-04-20 2012-10-25 Rambus Inc. Lighting assembly
CN103713353A (zh) * 2012-09-28 2014-04-09 惠和株式会社 导光片、侧光式背光单元和便携式电脑
CN104884307A (zh) * 2012-12-28 2015-09-02 3M创新有限公司 堆叠光导尾灯制品
US20150378087A1 (en) * 2013-02-13 2015-12-31 Quarkstar Llc Solid-State Luminaire
WO2014148729A1 (en) * 2013-03-19 2014-09-25 Plum Science Surface illumination system based on a curved waveguide
EP3215790A1 (en) * 2014-11-07 2017-09-13 Quarkstar LLC Stack lighter luminaire
FR3068110A1 (fr) * 2017-06-21 2018-12-28 Valeo Vision Module lumineux a eclairage variable
JP2019075352A (ja) * 2017-10-19 2019-05-16 大日本印刷株式会社 照明装置
CN108398741A (zh) * 2018-02-02 2018-08-14 厦门立达信照明有限公司 复合导光装置及一种复合导光装置的制作方法
WO2019181506A1 (ja) * 2018-03-19 2019-09-26 三菱電機株式会社 車両用灯具

Also Published As

Publication number Publication date
US12105313B2 (en) 2024-10-01
US20230358942A1 (en) 2023-11-09
TW202205231A (zh) 2022-02-01
EP4191123A1 (en) 2023-06-07
EP4191123A4 (en) 2024-08-07
WO2022024824A1 (ja) 2022-02-03
TWI874688B (zh) 2025-03-01
JP7613674B2 (ja) 2025-01-15
KR20230047084A (ko) 2023-04-06
JPWO2022024824A1 (https=) 2022-02-03

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