JP6406053B2 - 導光体および発光装置 - Google Patents

導光体および発光装置 Download PDF

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Publication number
JP6406053B2
JP6406053B2 JP2015034457A JP2015034457A JP6406053B2 JP 6406053 B2 JP6406053 B2 JP 6406053B2 JP 2015034457 A JP2015034457 A JP 2015034457A JP 2015034457 A JP2015034457 A JP 2015034457A JP 6406053 B2 JP6406053 B2 JP 6406053B2
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JP
Japan
Prior art keywords
light
reflection
refractive
row
region
Prior art date
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Application number
JP2015034457A
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English (en)
Japanese (ja)
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JP2016156948A (ja
Inventor
奥田　満
満 奥田
篠原　正幸
正幸 篠原
靖宏 田上
靖宏 田上
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.)
Omron Corp
Original Assignee
Omron 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 Omron Corp filed Critical Omron Corp
Priority to JP2015034457A priority Critical patent/JP6406053B2/ja
Priority to CN201610040921.XA priority patent/CN105911631B/zh
Publication of JP2016156948A publication Critical patent/JP2016156948A/ja
Application granted granted Critical
Publication of JP6406053B2 publication Critical patent/JP6406053B2/ja
Active 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
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/006—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to produce indicia, symbols, texts or the like
    • 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
    • G02B6/0025—Diffusing sheet or layer; Prismatic 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
    • G02B6/0013—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
    • G02B6/0031—Reflecting 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
    • G02B6/0035—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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • 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
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0091—Positioning aspects of the light source relative to the light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
JP2015034457A 2015-02-24 2015-02-24 導光体および発光装置 Active JP6406053B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2015034457A JP6406053B2 (ja) 2015-02-24 2015-02-24 導光体および発光装置
CN201610040921.XA CN105911631B (zh) 2015-02-24 2016-01-21 导光体及发光装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015034457A JP6406053B2 (ja) 2015-02-24 2015-02-24 導光体および発光装置

Publications (2)

Publication Number Publication Date
JP2016156948A JP2016156948A (ja) 2016-09-01
JP6406053B2 true JP6406053B2 (ja) 2018-10-17

Family

ID=56744309

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015034457A Active JP6406053B2 (ja) 2015-02-24 2015-02-24 導光体および発光装置

Country Status (2)

Country Link
JP (1) JP6406053B2 (zh)
CN (1) CN105911631B (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107037528A (zh) * 2017-04-19 2017-08-11 努比亚技术有限公司 导光板结构、背光模组以及显示终端
JP7054882B2 (ja) * 2017-11-21 2022-04-15 パナソニックＩｐマネジメント株式会社 表示装置
JP6866868B2 (ja) * 2018-03-30 2021-04-28 オムロン株式会社 表示装置及び展示装置
CN110471072B (zh) * 2019-08-19 2021-04-02 华晟（青岛）智能装备科技有限公司 一种反光柱位置辨识方法及系统
CN111965751B (zh) * 2020-09-11 2022-08-30 谷麦光电科技股份有限公司 一种微型显示用高反射率led背光源

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4243636B2 (ja) * 1993-03-03 2009-03-25 シャープ株式会社 照明装置
JP2006075362A (ja) * 2004-09-09 2006-03-23 Omron Corp 表示装置
EP2041484A4 (en) * 2006-07-03 2012-11-28 Core Wireless Licensing Sarl CHANGING GRAPHICS IN AN APPARATUS HAVING USER INTERFACE LIGHTING
IL177618A (en) * 2006-08-22 2015-02-26 Lumus Ltd Optical component in conductive substrate
JP2008203633A (ja) * 2007-02-21 2008-09-04 Harison Toshiba Lighting Corp 表示装置
TW201227014A (en) * 2010-12-31 2012-07-01 Asia Tech Image Inc Light guide and high uniformity and high brightness light source module
JP5774942B2 (ja) * 2011-08-26 2015-09-09 日立マクセル株式会社 照明ユニット及びこれを用いた表示装置
KR20160105455A (ko) * 2013-12-31 2016-09-06 쓰리엠 이노베이티브 프로퍼티즈 컴파니 방향 의존적 추출 효율을 갖는 추출기를 포함하는 도광체
CN203744012U (zh) * 2014-01-10 2014-07-30 奇菱光电股份有限公司 背光模组及其光学板结构
CN203849450U (zh) * 2014-02-28 2014-09-24 广东谷麦光电科技有限公司 一种导光板

Also Published As

Publication number Publication date
CN105911631A (zh) 2016-08-31
CN105911631B (zh) 2020-01-21
JP2016156948A (ja) 2016-09-01

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