JP6521252B2 - ライトガイドおよび照光表示装置 - Google Patents

ライトガイドおよび照光表示装置 Download PDF

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Publication number
JP6521252B2
JP6521252B2 JP2015251857A JP2015251857A JP6521252B2 JP 6521252 B2 JP6521252 B2 JP 6521252B2 JP 2015251857 A JP2015251857 A JP 2015251857A JP 2015251857 A JP2015251857 A JP 2015251857A JP 6521252 B2 JP6521252 B2 JP 6521252B2
Authority
JP
Japan
Prior art keywords
illumination
light guide
light
illumination area
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.)
Active
Application number
JP2015251857A
Other languages
English (en)
Japanese (ja)
Other versions
JP2017117649A (ja
Inventor
睦夫 伊藤
睦夫 伊藤
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.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric Co Ltd
Alps Alpine 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 Alps Electric Co Ltd, Alps Alpine Co Ltd filed Critical Alps Electric Co Ltd
Priority to JP2015251857A priority Critical patent/JP6521252B2/ja
Priority to CN201610729706.0A priority patent/CN106920486B/zh
Priority to KR1020160123099A priority patent/KR101915137B1/ko
Publication of JP2017117649A publication Critical patent/JP2017117649A/ja
Application granted granted Critical
Publication of JP6521252B2 publication Critical patent/JP6521252B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/18—Edge-illuminated signs
    • 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
    • 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
    • G02B6/0051—Diffusing sheet or layer
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/08—Signs, boards or panels, illuminated from behind the insignia using both translucent and non-translucent layers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
JP2015251857A 2015-12-24 2015-12-24 ライトガイドおよび照光表示装置 Active JP6521252B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2015251857A JP6521252B2 (ja) 2015-12-24 2015-12-24 ライトガイドおよび照光表示装置
CN201610729706.0A CN106920486B (zh) 2015-12-24 2016-08-25 光导以及照明显示装置
KR1020160123099A KR101915137B1 (ko) 2015-12-24 2016-09-26 라이트 가이드 및 조광 표시 장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015251857A JP6521252B2 (ja) 2015-12-24 2015-12-24 ライトガイドおよび照光表示装置

Publications (2)

Publication Number Publication Date
JP2017117649A JP2017117649A (ja) 2017-06-29
JP6521252B2 true JP6521252B2 (ja) 2019-05-29

Family

ID=59234810

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015251857A Active JP6521252B2 (ja) 2015-12-24 2015-12-24 ライトガイドおよび照光表示装置

Country Status (3)

Country Link
JP (1) JP6521252B2 (zh)
KR (1) KR101915137B1 (zh)
CN (1) CN106920486B (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6872037B2 (ja) * 2017-11-30 2021-05-19 アルプスアルパイン株式会社 照光装置
JP7146200B2 (ja) * 2019-04-15 2022-10-04 フクビ化学工業株式会社 導光棒付き視線誘導標、及びガードケーブル

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000314812A (ja) * 1999-04-30 2000-11-14 Enplas Corp サイドライト型面光源装置及び液晶表示装置
JP4907016B2 (ja) * 2001-08-09 2012-03-28 株式会社 日立ディスプレイズ 液晶表示装置
JP4198975B2 (ja) * 2002-11-28 2008-12-17 アルプス電気株式会社 照明装置、導光体、及び液晶表示装置
JP2004302443A (ja) * 2003-03-18 2004-10-28 Hitachi Displays Ltd 液晶表示装置
JP2004286803A (ja) * 2003-03-19 2004-10-14 Hitachi Displays Ltd 液晶表示装置
KR20060121172A (ko) * 2003-12-15 2006-11-28 코닌클리케 필립스 일렉트로닉스 엔.브이. 백라이트 디바이스
JP2005321586A (ja) * 2004-05-10 2005-11-17 Sony Corp 面光源ユニット及び液晶表示装置
JP2006350338A (ja) * 2005-06-13 2006-12-28 Samsung Electronics Co Ltd バックライトアセンブリとこれを有する表示装置及びその輝度調節方法
JP2011100724A (ja) * 2009-10-09 2011-05-19 Mitsubishi Rayon Co Ltd 画像表示装置
CN202012855U (zh) * 2011-03-04 2011-10-19 王勤文 一种led导光结构
JP3182109U (ja) * 2012-12-26 2013-03-07 アルプス電気株式会社 照光表示装置

Also Published As

Publication number Publication date
JP2017117649A (ja) 2017-06-29
CN106920486B (zh) 2019-10-25
KR20170076540A (ko) 2017-07-04
KR101915137B1 (ko) 2018-11-05
CN106920486A (zh) 2017-07-04

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