JP2013045764A5 - - Google Patents

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Publication number
JP2013045764A5
JP2013045764A5 JP2011197632A JP2011197632A JP2013045764A5 JP 2013045764 A5 JP2013045764 A5 JP 2013045764A5 JP 2011197632 A JP2011197632 A JP 2011197632A JP 2011197632 A JP2011197632 A JP 2011197632A JP 2013045764 A5 JP2013045764 A5 JP 2013045764A5
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JP
Japan
Prior art keywords
guide plate
light guide
curved
planes
face
Prior art date
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Application number
JP2011197632A
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English (en)
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JP2013045764A (ja
JP5883596B2 (ja
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Priority to JP2011197632A priority Critical patent/JP5883596B2/ja
Priority claimed from JP2011197632A external-priority patent/JP5883596B2/ja
Priority to US13/594,062 priority patent/US8740440B2/en
Publication of JP2013045764A publication Critical patent/JP2013045764A/ja
Publication of JP2013045764A5 publication Critical patent/JP2013045764A5/ja
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Publication of JP5883596B2 publication Critical patent/JP5883596B2/ja
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Claims (2)

  1. 表裏の平面をもって平板状に形成された導光板本体と、導光板本体の一辺側において前記表裏の平面を平行に面間距離を維持して同心円弧状に湾曲させて導光板本体の裏面方向に垂下した導光板の湾曲垂下部と、湾曲垂下部の先端面に対向して配置される１つ以上の点状光源とからなり、
    前記点状光源は、前記導光板の湾曲垂下部の表裏の平面間の中心線よりも導光板の表面側に偏移して配置されていることを特徴とする面照明装置。
  2. 請求項１において、湾曲垂下部の表裏面の面間距離Ｄが３．０ｍｍ以下、湾曲垂下部の同心円弧の半径ｒが２．０ｍｍ以上、点状光源の湾曲垂下部の表裏の平面間の中心線から表面側への偏移量ｄが０．１ｍｍ以上、０．６ｍｍ以下であることを特徴とする面光源装置。
JP2011197632A 2011-08-25 2011-08-25 面照明装置 Active JP5883596B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011197632A JP5883596B2 (ja) 2011-08-25 2011-08-25 面照明装置
US13/594,062 US8740440B2 (en) 2011-08-25 2012-08-24 Planar lighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011197632A JP5883596B2 (ja) 2011-08-25 2011-08-25 面照明装置

Publications (3)

Publication Number Publication Date
JP2013045764A JP2013045764A (ja) 2013-03-04
JP2013045764A5 true JP2013045764A5 (ja) 2014-08-21
JP5883596B2 JP5883596B2 (ja) 2016-03-15

Family

ID=47743526

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011197632A Active JP5883596B2 (ja) 2011-08-25 2011-08-25 面照明装置

Country Status (2)

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US (1) US8740440B2 (ja)
JP (1) JP5883596B2 (ja)

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US10379278B2 (en) * 2013-03-15 2019-08-13 Ideal Industries Lighting Llc Outdoor and/or enclosed structure LED luminaire outdoor and/or enclosed structure LED luminaire having outward illumination
US10209429B2 (en) 2013-03-15 2019-02-19 Cree, Inc. Luminaire with selectable luminous intensity pattern
US10502899B2 (en) * 2013-03-15 2019-12-10 Ideal Industries Lighting Llc Outdoor and/or enclosed structure LED luminaire
WO2014168061A1 (ja) * 2013-04-08 2014-10-16 堺ディスプレイプロダクト株式会社 反射シート材、光源装置及び表示装置
US20150049285A1 (en) * 2013-08-13 2015-02-19 Apple Inc. Non-Planar Display Backlight Structures
JP6221116B2 (ja) * 2013-12-17 2017-11-01 コニカミノルタ株式会社 導光体、光源装置及び画像読み取り装置
US9651740B2 (en) 2014-01-09 2017-05-16 Cree, Inc. Extraction film for optical waveguide and method of producing same
JP2015179579A (ja) * 2014-03-18 2015-10-08 株式会社東芝 導光体および照明装置
CN103969736B (zh) * 2014-04-24 2016-05-18 京东方科技集团股份有限公司 一种导光结构和显示装置
US10416377B2 (en) 2016-05-06 2019-09-17 Cree, Inc. Luminaire with controllable light emission
US11719882B2 (en) 2016-05-06 2023-08-08 Ideal Industries Lighting Llc Waveguide-based light sources with dynamic beam shaping
US10690837B2 (en) 2016-06-21 2020-06-23 Apple Inc. Backlist displays with bent light guide layers
JP6315519B2 (ja) * 2016-09-30 2018-04-25 株式会社ユニバーサルエンターテインメント 遊技機
JP6984334B2 (ja) * 2017-11-10 2021-12-17 日本精機株式会社 発光装置
EP3719550A4 (en) 2018-04-19 2021-01-06 Guangdong Oppo Mobile Telecommunications Corp., Ltd. LIGHT GUIDE STRUCTURE, HOUSING AND ELECTRONIC DEVICE
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
US10739513B2 (en) 2018-08-31 2020-08-11 RAB Lighting Inc. Apparatuses and methods for efficiently directing light toward and away from a mounting surface
US10801679B2 (en) 2018-10-08 2020-10-13 RAB Lighting Inc. Apparatuses and methods for assembling luminaires
JP7177388B2 (ja) * 2018-11-15 2022-11-24 東芝ライテック株式会社 照明装置
TWI693454B (zh) * 2019-02-11 2020-05-11 友達光電股份有限公司 顯示裝置及其背光模組

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JPS6056222U (ja) * 1983-09-27 1985-04-19 矢崎総業株式会社 計器の照明装置
JPH0590450U (ja) * 1992-05-13 1993-12-10 富士通テン株式会社 バックライト構造
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JP2007329089A (ja) * 2006-06-09 2007-12-20 Yuka Denshi Co Ltd 発光ユニット
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JP2012156092A (ja) * 2011-01-28 2012-08-16 Fujifilm Corp 面状照明装置
JP5553077B2 (ja) * 2012-03-15 2014-07-16 オムロン株式会社 面光源装置

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