KR20010076312A - 도광판, 면광원장치 및 표시장치 - Google Patents

도광판, 면광원장치 및 표시장치 Download PDF

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Publication number
KR20010076312A
KR20010076312A KR1020010002648A KR20010002648A KR20010076312A KR 20010076312 A KR20010076312 A KR 20010076312A KR 1020010002648 A KR1020010002648 A KR 1020010002648A KR 20010002648 A KR20010002648 A KR 20010002648A KR 20010076312 A KR20010076312 A KR 20010076312A
Authority
KR
South Korea
Prior art keywords
light
guide plate
light guide
corner portion
input corner
Prior art date
Application number
KR1020010002648A
Other languages
English (en)
Korean (ko)
Inventor
오스미가즈마사
Original Assignee
요코다 마코도
가부시키가이샤 엔프라스
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 요코다 마코도, 가부시키가이샤 엔프라스 filed Critical 요코다 마코도
Publication of KR20010076312A publication Critical patent/KR20010076312A/ko

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
    • 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
    • G02B6/0045—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 by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped 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
    • G02B6/0058—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
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Light Guides In General And Applications Therefor (AREA)
KR1020010002648A 2000-01-19 2001-01-17 도광판, 면광원장치 및 표시장치 KR20010076312A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000-14040 2000-01-19
JP2000014040A JP2001202816A (ja) 2000-01-19 2000-01-19 導光板、面光源装置及び表示装置

Publications (1)

Publication Number Publication Date
KR20010076312A true KR20010076312A (ko) 2001-08-11

Family

ID=18541557

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020010002648A KR20010076312A (ko) 2000-01-19 2001-01-17 도광판, 면광원장치 및 표시장치

Country Status (3)

Country Link
JP (1) JP2001202816A (ja)
KR (1) KR20010076312A (ja)
TW (1) TW496972B (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100720883B1 (ko) * 2000-02-18 2007-05-22 가부시키가이샤 엔프라스 면광원장치 및 표시장치
KR100807550B1 (ko) * 2004-12-10 2008-02-28 삼성에스디아이 주식회사 액정 표시 장치

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4604697B2 (ja) * 2004-12-14 2011-01-05 日亜化学工業株式会社 面発光装置及び面発光装置用導光板
JP4556662B2 (ja) * 2004-12-22 2010-10-06 エプソンイメージングデバイス株式会社 液晶表示装置及びその液晶表示装置を使用した車載用ナビゲーション装置
KR100747001B1 (ko) * 2005-11-29 2007-08-07 한국생산기술연구원 점광원을 이용한 도광판 및 그 제조방법
KR102133762B1 (ko) 2013-01-10 2020-07-15 삼성디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 표시장치
GB2552090B (en) * 2017-06-29 2021-06-16 Inodyn Newmedia Gmbh Front-facing camera and maximized display screen of a mobile device
JP2017200514A (ja) * 2016-05-02 2017-11-09 国立大学法人名古屋大学 治療器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100720883B1 (ko) * 2000-02-18 2007-05-22 가부시키가이샤 엔프라스 면광원장치 및 표시장치
KR100807550B1 (ko) * 2004-12-10 2008-02-28 삼성에스디아이 주식회사 액정 표시 장치

Also Published As

Publication number Publication date
TW496972B (en) 2002-08-01
JP2001202816A (ja) 2001-07-27

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E902 Notification of reason for refusal
E601 Decision to refuse application
J201 Request for trial against refusal decision
J301 Trial decision

Free format text: TRIAL DECISION FOR APPEAL AGAINST DECISION TO DECLINE REFUSAL REQUESTED 20050215

Effective date: 20060726