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TW200739138A - Prism sheet, planar light source device and method for manufacturing the prism sheet - Google Patents

Prism sheet, planar light source device and method for manufacturing the prism sheet

Info

Publication number
TW200739138A
TW200739138A TW096109053A TW96109053A TW200739138A TW 200739138 A TW200739138 A TW 200739138A TW 096109053 A TW096109053 A TW 096109053A TW 96109053 A TW96109053 A TW 96109053A TW 200739138 A TW200739138 A TW 200739138A
Authority
TW
Taiwan
Prior art keywords
prism sheet
manufacturing
light source
source device
planar light
Prior art date
Application number
TW096109053A
Other languages
Chinese (zh)
Inventor
Tomoyoshi Yamashita
Original Assignee
Mitsubishi Rayon Co
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 filed Critical Mitsubishi Rayon Co
Publication of TW200739138A publication Critical patent/TW200739138A/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00278—Lenticular sheets
    • 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
    • G02B6/0065—Manufacturing aspects; Material aspects

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)

Abstract

A prism sheet obtaining an optical character that cannot be obtained from a conventional prism sheet and a method for manufacturing the same are provided. The prism sheet 1 of this invention is characterized by: it includes a flat prism sheet substance 2, a prism portion 4 disposed on substantially entire of one surface of the flat prism sheet substance and a lens portion 6 disposed on part of another surface of the flat prism sheet substance.
TW096109053A 2006-03-17 2007-03-16 Prism sheet, planar light source device and method for manufacturing the prism sheet TW200739138A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006074898 2006-03-17
JP2006354302 2006-12-28

Publications (1)

Publication Number Publication Date
TW200739138A true TW200739138A (en) 2007-10-16

Family

ID=38522472

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096109053A TW200739138A (en) 2006-03-17 2007-03-16 Prism sheet, planar light source device and method for manufacturing the prism sheet

Country Status (5)

Country Link
JP (1) JP5006192B2 (en)
KR (1) KR20080106267A (en)
CN (1) CN101405626B (en)
TW (1) TW200739138A (en)
WO (1) WO2007108443A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009205876A (en) * 2008-02-26 2009-09-10 Asahi Rubber Inc Light guide film, and method of manufacturing the same
JP5202227B2 (en) * 2008-10-23 2013-06-05 株式会社フオトクラフト社 Backlight device
JP5267098B2 (en) * 2008-12-17 2013-08-21 凸版印刷株式会社 Lens sheet and display device
JP5229040B2 (en) * 2009-03-24 2013-07-03 株式会社Ｊｖｃケンウッド Illumination device and liquid crystal display device
EP2495588A4 (en) * 2009-10-30 2013-03-27 Fujitsu Frontech Ltd Prism plate, illumination optical system of imaging device, and mold for prism plate
KR101297897B1 (en) * 2009-10-30 2013-08-22 후지츠 프론테크 가부시키가이샤 Illumination optical system of image capturing device
EP2769843B1 (en) 2011-10-21 2016-06-29 Nipponkayaku Kabushikikaisha Method for producing optical member and use of uv-curable resin composition therefor
CN102818187B (en) 2012-07-31 2015-02-25 京东方科技集团股份有限公司 Backlight module, display device and method for reducing hot spot phenomenon
TW201427843A (en) * 2012-10-31 2014-07-16 Kuraray Co Method for manufacturing molded resin body with fine structure
KR101488736B1 (en) * 2013-04-18 2015-02-04 주식회사 이라이콤 light guide plate having light enterance edge, extruder device and method thereof
JP2015029432A (en) * 2013-07-31 2015-02-16 凸版印刷株式会社 Illumination device for plant cultivation
KR102383149B1 (en) * 2015-07-30 2022-04-06 엘지디스플레이 주식회사 Light Guide Plate and Backlight Unit having the same
JP6981150B2 (en) * 2017-09-29 2021-12-15 ウシオ電機株式会社 Light irradiation device
CN111788520B (en) * 2018-02-20 2022-03-29 富士通先端科技株式会社 Illumination optical system for imaging device
TWI896055B (en) * 2024-03-27 2025-09-01 大陸商榮諭科技（成都）有限公司 Mold for manufacturing optical component, optical component and processing method of optical component

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2951525B2 (en) * 1993-11-29 1999-09-20 大日本印刷株式会社 Surface light source
JPH06347613A (en) * 1993-06-04 1994-12-22 Dainippon Printing Co Ltd Film lens and manufacturing method thereof
JP3732251B2 (en) * 1995-05-18 2006-01-05 大日本印刷株式会社 Lens array sheet, surface light source, and transmissive display
US5808784A (en) * 1994-09-06 1998-09-15 Dai Nippon Printing Co., Ltd. Lens array sheet surface light source, and transmission type display device
JP4053626B2 (en) * 1997-03-11 2008-02-27 株式会社エンプラス Surface light source device and asymmetric prism sheet
JP2000292790A (en) * 1999-02-04 2000-10-20 Keiwa Inc Light diffusion sheet and backlight unit using the same
JP4473420B2 (en) * 2000-07-06 2010-06-02 恵和株式会社 Optical sheet and backlight unit using the same
JP4460141B2 (en) * 2000-10-25 2010-05-12 日本ライツ株式会社 Double-sided light guide plate and flat illumination device
JP2002216522A (en) * 2001-01-19 2002-08-02 Yuka Denshi Co Ltd Light reflection sheet, surface light source device and liquid crystal display device using the same
JP2004094051A (en) * 2002-09-02 2004-03-25 Keiwa Inc Optical sheet and backlight unit using the same
KR100756368B1 (en) * 2002-12-05 2007-09-10 삼성전자주식회사 Back light assembly and liquid crystal display device having the same
JP2004333697A (en) * 2003-05-02 2004-11-25 Mitsubishi Rayon Co Ltd Lens sheet
JP4211689B2 (en) * 2004-06-14 2009-01-21 オムロン株式会社 Diffuser and surface light source device
JP4561204B2 (en) * 2004-07-01 2010-10-13 株式会社日立製作所 Screen, Fresnel lens sheet used therefor, and image display device using the same

Also Published As

Publication number Publication date
KR20080106267A (en) 2008-12-04
JPWO2007108443A1 (en) 2009-08-06
WO2007108443A1 (en) 2007-09-27
JP5006192B2 (en) 2012-08-22
CN101405626B (en) 2010-08-04
CN101405626A (en) 2009-04-08

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