KR101915137B1 - 라이트 가이드 및 조광 표시 장치 - Google Patents

라이트 가이드 및 조광 표시 장치 Download PDF

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Publication number
KR101915137B1
KR101915137B1 KR1020160123099A KR20160123099A KR101915137B1 KR 101915137 B1 KR101915137 B1 KR 101915137B1 KR 1020160123099 A KR1020160123099 A KR 1020160123099A KR 20160123099 A KR20160123099 A KR 20160123099A KR 101915137 B1 KR101915137 B1 KR 101915137B1
Authority
KR
South Korea
Prior art keywords
light
light guide
light control
dimming
control area
Prior art date
Application number
KR1020160123099A
Other languages
English (en)
Korean (ko)
Other versions
KR20170076540A (ko
Inventor
무츠오 이토
Original Assignee
알프스 덴키 가부시키가이샤
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 알프스 덴키 가부시키가이샤 filed Critical 알프스 덴키 가부시키가이샤
Publication of KR20170076540A publication Critical patent/KR20170076540A/ko
Application granted granted Critical
Publication of KR101915137B1 publication Critical patent/KR101915137B1/ko

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Classifications

    • 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
    • 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
    • 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)
KR1020160123099A 2015-12-24 2016-09-26 라이트 가이드 및 조광 표시 장치 KR101915137B1 (ko)

Applications Claiming Priority (2)

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
JPJP-P-2015-251857 2015-12-24

Publications (2)

Publication Number Publication Date
KR20170076540A KR20170076540A (ko) 2017-07-04
KR101915137B1 true KR101915137B1 (ko) 2018-11-05

Family

ID=59234810

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020160123099A KR101915137B1 (ko) 2015-12-24 2016-09-26 라이트 가이드 및 조광 표시 장치

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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004286803A (ja) * 2003-03-19 2004-10-14 Hitachi Displays Ltd 液晶表示装置
JP2004302443A (ja) 2003-03-18 2004-10-28 Hitachi Displays Ltd 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

Family Cites Families (8)

* 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
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
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Also Published As

Publication number Publication date
JP2017117649A (ja) 2017-06-29
CN106920486B (zh) 2019-10-25
KR20170076540A (ko) 2017-07-04
JP6521252B2 (ja) 2019-05-29
CN106920486A (zh) 2017-07-04

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