TW201213902A - Light-guiding plate and lighting device - Google Patents

Light-guiding plate and lighting device Download PDF

Info

Publication number
TW201213902A
TW201213902A TW100103036A TW100103036A TW201213902A TW 201213902 A TW201213902 A TW 201213902A TW 100103036 A TW100103036 A TW 100103036A TW 100103036 A TW100103036 A TW 100103036A TW 201213902 A TW201213902 A TW 201213902A
Authority
TW
Taiwan
Prior art keywords
light
region
guide plate
extraction
pattern
Prior art date
Application number
TW100103036A
Other languages
English (en)
Chinese (zh)
Inventor
Toshiaki Suzuki
Keisuke Tsukada
Original Assignee
Zeon 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 Zeon Corp filed Critical Zeon Corp
Publication of TW201213902A publication Critical patent/TW201213902A/zh

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0035Means 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
    • G02B6/0038Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0058Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
TW100103036A 2010-01-29 2011-01-27 Light-guiding plate and lighting device TW201213902A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010019720 2010-01-29

Publications (1)

Publication Number Publication Date
TW201213902A true TW201213902A (en) 2012-04-01

Family

ID=44319250

Family Applications (1)

Application Number Title Priority Date Filing Date
TW100103036A TW201213902A (en) 2010-01-29 2011-01-27 Light-guiding plate and lighting device

Country Status (2)

Country Link
TW (1) TW201213902A (ja)
WO (1) WO2011093262A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI788393B (zh) * 2017-08-04 2023-01-01 日商日東電工股份有限公司 光取出構件

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130050615A1 (en) * 2011-08-23 2013-02-28 Sharp Kabushiki Kaisha Local dimming backlight unit and display device incorporating same
JP2021149009A (ja) * 2020-03-19 2021-09-27 フクビ化学工業株式会社 周面発光型導光棒

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100780205B1 (ko) * 2006-04-21 2007-11-27 삼성전기주식회사 액정표시장치용 백라이트 유닛
US8104945B2 (en) * 2007-12-27 2012-01-31 Samsung Led Co., Ltd. Backlight unit implementing local dimming for liquid crystal display device
JP5143770B2 (ja) * 2009-03-02 2013-02-13 株式会社ジャパンディスプレイイースト 液晶表示装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI788393B (zh) * 2017-08-04 2023-01-01 日商日東電工股份有限公司 光取出構件

Also Published As

Publication number Publication date
WO2011093262A1 (ja) 2011-08-04

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