TWI253528B - Luminous device - Google Patents

Luminous device Download PDF

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Publication number
TWI253528B
TWI253528B TW091137114A TW91137114A TWI253528B TW I253528 B TWI253528 B TW I253528B TW 091137114 A TW091137114 A TW 091137114A TW 91137114 A TW91137114 A TW 91137114A TW I253528 B TWI253528 B TW I253528B
Authority
TW
Taiwan
Prior art keywords
light
sheet
diffusion
diffusing
light source
Prior art date
Application number
TW091137114A
Other languages
English (en)
Chinese (zh)
Other versions
TW200307837A (en
Inventor
Atsushi Hanyu
Original Assignee
Sumitomo Rubber Ind
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 Sumitomo Rubber Ind filed Critical Sumitomo Rubber Ind
Publication of TW200307837A publication Critical patent/TW200307837A/zh
Application granted granted Critical
Publication of TWI253528B publication Critical patent/TWI253528B/zh

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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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
    • 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
    • G02F1/133528—Polarisers
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)
TW091137114A 2002-06-07 2002-12-24 Luminous device TWI253528B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002167619A JP2004012924A (ja) 2002-06-07 2002-06-07 発光装置

Publications (2)

Publication Number Publication Date
TW200307837A TW200307837A (en) 2003-12-16
TWI253528B true TWI253528B (en) 2006-04-21

Family

ID=30434819

Family Applications (1)

Application Number Title Priority Date Filing Date
TW091137114A TWI253528B (en) 2002-06-07 2002-12-24 Luminous device

Country Status (3)

Country Link
JP (1) JP2004012924A (ja)
KR (2) KR100721118B1 (ja)
TW (1) TWI253528B (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070045287A (ko) 2004-08-24 2007-05-02 니폰 제온 가부시키가이샤 직하형 백라이트 장치
JP4770166B2 (ja) * 2004-12-10 2011-09-14 日本ゼオン株式会社 直下型バックライト装置
JP2006330450A (ja) * 2005-05-27 2006-12-07 Furukawa Electric Co Ltd:The 液晶表示装置
JP5030204B2 (ja) * 2005-09-01 2012-09-19 昭和電工株式会社 発光ダイオード光源、バックライト及び液晶ディスプレイ
US9142196B2 (en) * 2012-10-18 2015-09-22 Dental Imaging Technologies Corporation Light box effect for viewing digital radiographic images

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2597297B2 (ja) * 1993-09-06 1997-04-02 茶谷産業株式会社 面照明装置
JPH0792464A (ja) * 1993-09-20 1995-04-07 Sanyo Electric Co Ltd 液晶表示装置用バックライト
JP2772775B2 (ja) * 1995-09-29 1998-07-09 大日本印刷株式会社 光拡散シート及びそれを使用したエッジライト型面光源並びに液晶表示装置
JPH09318818A (ja) * 1996-05-30 1997-12-12 Toshiba Corp 面光源装置
KR980004827A (ko) * 1996-06-29 1998-03-30 김광호 하드 디스크 드라이브의 내구성 향상을 위한 서보제어방법
KR19990003849A (ko) * 1997-06-26 1999-01-15 배순훈 모니터의 전원회로
JPH11223812A (ja) * 1998-02-09 1999-08-17 Canon Inc 照明装置およびそれを用いた表示装置
KR100272997B1 (ko) * 1998-11-03 2000-11-15 윤병무 고속도로 정액권 확인기의 프린팅 방법
TWI235270B (en) * 1999-07-02 2005-07-01 Keun-Chang Yang Plane light source unit and method for manufacturing holographic light-guide plate used for flat panel display
JP2001042108A (ja) * 1999-07-29 2001-02-16 Dainippon Printing Co Ltd マットフィルム、面光源装置、及び液晶表示装置
JP4540165B2 (ja) * 1999-10-29 2010-09-08 株式会社日立製作所 液晶表示装置
JP2001201612A (ja) * 2000-01-19 2001-07-27 Keiwa Inc 光拡散シート及びこれを用いたバックライトユニット
JP2001324607A (ja) * 2000-05-16 2001-11-22 Kimoto & Co Ltd 光拡散性シート
KR100367845B1 (ko) * 2000-06-07 2003-01-10 삼성전자 주식회사 액정표시장치의 조명 방법, 이를 구현시키기 위한액정표시장치의 백라이트 어셈블리 및 이를 채용한액정표시장치
JP2001356702A (ja) * 2000-06-15 2001-12-26 Fujitsu Kasei Kk 直管式バックライト型照明装置
JP2002148416A (ja) * 2001-08-30 2002-05-22 Keiwa Inc 光拡散シート

Also Published As

Publication number Publication date
KR100721118B1 (ko) 2007-05-30
KR20030095192A (ko) 2003-12-18
TW200307837A (en) 2003-12-16
JP2004012924A (ja) 2004-01-15
KR200310868Y1 (ko) 2003-04-21

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MM4A Annulment or lapse of patent due to non-payment of fees