JP3929599B2 - プリズムシートおよび面光源素子 - Google Patents

プリズムシートおよび面光源素子 Download PDF

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Publication number
JP3929599B2
JP3929599B2 JP13988598A JP13988598A JP3929599B2 JP 3929599 B2 JP3929599 B2 JP 3929599B2 JP 13988598 A JP13988598 A JP 13988598A JP 13988598 A JP13988598 A JP 13988598A JP 3929599 B2 JP3929599 B2 JP 3929599B2
Authority
JP
Japan
Prior art keywords
light
prism
plane
transparent substrate
prism sheet
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.)
Expired - Fee Related
Application number
JP13988598A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11329030A5 (enExample
JPH11329030A (ja
Inventor
雅春 小田
一清 千葉
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Chemical Corp
Mitsubishi Rayon Co Ltd
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 Chemical Corp, Mitsubishi Rayon Co Ltd filed Critical Mitsubishi Chemical Corp
Priority to JP13988598A priority Critical patent/JP3929599B2/ja
Publication of JPH11329030A publication Critical patent/JPH11329030A/ja
Publication of JPH11329030A5 publication Critical patent/JPH11329030A5/ja
Application granted granted Critical
Publication of JP3929599B2 publication Critical patent/JP3929599B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02B6/005—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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
JP13988598A 1998-05-21 1998-05-21 プリズムシートおよび面光源素子 Expired - Fee Related JP3929599B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13988598A JP3929599B2 (ja) 1998-05-21 1998-05-21 プリズムシートおよび面光源素子

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13988598A JP3929599B2 (ja) 1998-05-21 1998-05-21 プリズムシートおよび面光源素子

Publications (3)

Publication Number Publication Date
JPH11329030A JPH11329030A (ja) 1999-11-30
JPH11329030A5 JPH11329030A5 (enExample) 2004-09-02
JP3929599B2 true JP3929599B2 (ja) 2007-06-13

Family

ID=15255865

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13988598A Expired - Fee Related JP3929599B2 (ja) 1998-05-21 1998-05-21 プリズムシートおよび面光源素子

Country Status (1)

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JP (1) JP3929599B2 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002008662A1 (fr) * 2000-07-24 2002-01-31 Mitsubishi Rayon Co., Ltd. Dispositif d'eclairage de surface comprenant une feuille a prisme
JP4676355B2 (ja) * 2006-02-23 2011-04-27 古河電気工業株式会社 輝度均一化部材およびバックライトユニット
WO2008032275A1 (en) * 2006-09-15 2008-03-20 Koninklijke Philips Electronics N.V. Flat and thin led-based luminary
TW200848879A (en) * 2007-03-30 2008-12-16 Zeon Corp Direct-lighting backlight apparatus
WO2008155878A1 (ja) * 2007-06-18 2008-12-24 Sharp Kabushiki Kaisha 液晶表示装置

Also Published As

Publication number Publication date
JPH11329030A (ja) 1999-11-30

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