TWI272411B - Surface light-emitting device - Google Patents

Surface light-emitting device Download PDF

Info

Publication number
TWI272411B
TWI272411B TW092112590A TW92112590A TWI272411B TW I272411 B TWI272411 B TW I272411B TW 092112590 A TW092112590 A TW 092112590A TW 92112590 A TW92112590 A TW 92112590A TW I272411 B TWI272411 B TW I272411B
Authority
TW
Taiwan
Prior art keywords
light
light source
transmission
guiding space
plate
Prior art date
Application number
TW092112590A
Other languages
English (en)
Chinese (zh)
Other versions
TW200409977A (en
Inventor
Kazuyuki Hashimoto
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of TW200409977A publication Critical patent/TW200409977A/zh
Application granted granted Critical
Publication of TWI272411B publication Critical patent/TWI272411B/zh

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
    • 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
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar 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
    • G02B6/0033—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
    • G02B6/0065—Manufacturing aspects; Material aspects

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)
TW092112590A 2002-05-23 2003-05-08 Surface light-emitting device TWI272411B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002148622A JP4040364B2 (ja) 2002-05-23 2002-05-23 面発光装置

Publications (2)

Publication Number Publication Date
TW200409977A TW200409977A (en) 2004-06-16
TWI272411B true TWI272411B (en) 2007-02-01

Family

ID=29561187

Family Applications (1)

Application Number Title Priority Date Filing Date
TW092112590A TWI272411B (en) 2002-05-23 2003-05-08 Surface light-emitting device

Country Status (7)

Country Link
EP (1) EP1506438A1 (ja)
JP (1) JP4040364B2 (ja)
KR (1) KR20050004205A (ja)
CN (1) CN1312498C (ja)
AU (1) AU2003225098A1 (ja)
TW (1) TWI272411B (ja)
WO (1) WO2003100481A1 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0222810D0 (en) * 2002-10-02 2002-11-06 3M Innovative Properties Co Light source assembly and light-guide light suitable for an illuminated display
KR100829015B1 (ko) * 2006-08-22 2008-05-14 엘지전자 주식회사 면 광원 장치, 이를 구비한 백라이트 유닛 및 액정 표시장치
JP4538674B2 (ja) * 2007-07-26 2010-09-08 株式会社オプトデザイン 面照明ユニット、面照明光源装置、面照明装置および面照明ユニットの製造用展開基板
WO2009105450A1 (en) 2008-02-22 2009-08-27 3M Innovative Properties Company Backlights having selected output light flux distributions and display systems using same
CN102383555A (zh) * 2011-10-11 2012-03-21 常熟市华夏建筑节能材料有限公司 一种节能天花板
TWI503608B (zh) * 2013-10-30 2015-10-11 Au Optronics Corp 平面光源產生裝置
CN112996302B (zh) * 2019-12-13 2022-08-16 华硕电脑股份有限公司 电子装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4460940A (en) * 1981-11-07 1984-07-17 Kei Mori Apparatus for uniform illumination employing light diffuser
JP3271695B2 (ja) * 1996-09-20 2002-04-02 シャープ株式会社 バックライト光源および液晶表示装置
JP2001338508A (ja) * 2000-03-24 2001-12-07 Nec Corp 背面光源およびそれを用いた表示装置
JP4023079B2 (ja) * 2000-08-31 2007-12-19 株式会社日立製作所 面状照明装置及びこれを備えた表示装置

Also Published As

Publication number Publication date
CN1666121A (zh) 2005-09-07
KR20050004205A (ko) 2005-01-12
TW200409977A (en) 2004-06-16
JP4040364B2 (ja) 2008-01-30
CN1312498C (zh) 2007-04-25
WO2003100481A1 (en) 2003-12-04
EP1506438A1 (en) 2005-02-16
JP2003346527A (ja) 2003-12-05
AU2003225098A1 (en) 2003-12-12

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees