KR100721118B1 - 발광 장치 - Google Patents

발광 장치 Download PDF

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Publication number
KR100721118B1
KR100721118B1 KR1020030001548A KR20030001548A KR100721118B1 KR 100721118 B1 KR100721118 B1 KR 100721118B1 KR 1020030001548 A KR1020030001548 A KR 1020030001548A KR 20030001548 A KR20030001548 A KR 20030001548A KR 100721118 B1 KR100721118 B1 KR 100721118B1
Authority
KR
South Korea
Prior art keywords
diffusion
sheet
light
light emitting
emitting portion
Prior art date
Application number
KR1020030001548A
Other languages
English (en)
Korean (ko)
Other versions
KR20030095192A (ko
Inventor
한유아츠시
Original Assignee
엔이씨 엘씨디 테크놀로지스, 엘티디.
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 엔이씨 엘씨디 테크놀로지스, 엘티디. filed Critical 엔이씨 엘씨디 테크놀로지스, 엘티디.
Publication of KR20030095192A publication Critical patent/KR20030095192A/ko
Application granted granted Critical
Publication of KR100721118B1 publication Critical patent/KR100721118B1/ko

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    • 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

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  • 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)
KR1020030001548A 2002-06-07 2003-01-10 발광 장치 KR100721118B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2002-00167619 2002-06-07
JP2002167619A JP2004012924A (ja) 2002-06-07 2002-06-07 発光装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR20-2003-0000879U Division KR200310868Y1 (ko) 2002-06-07 2003-01-11 발광 장치

Publications (2)

Publication Number Publication Date
KR20030095192A KR20030095192A (ko) 2003-12-18
KR100721118B1 true KR100721118B1 (ko) 2007-05-30

Family

ID=30434819

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020030001548A KR100721118B1 (ko) 2002-06-07 2003-01-10 발광 장치
KR20-2003-0000879U KR200310868Y1 (ko) 2002-06-07 2003-01-11 발광 장치

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR20-2003-0000879U KR200310868Y1 (ko) 2002-06-07 2003-01-11 발광 장치

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
US7726826B2 (en) 2004-08-24 2010-06-01 Zeon Corporation Direct-type backlight device
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR20000031056A (ko) * 1998-11-03 2000-06-05 윤병무 고속도로 정액권 확인기의 프린팅 방법
KR20010110539A (ko) * 2000-06-07 2001-12-13 윤종용 액정표시장치의 조명 방법, 이를 구현시키기 위한액정표시장치의 백라이트 어셈블리 및 이를 채용한액정표시장치

Family Cites Families (12)

* 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
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
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
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR20000031056A (ko) * 1998-11-03 2000-06-05 윤병무 고속도로 정액권 확인기의 프린팅 방법
KR20010110539A (ko) * 2000-06-07 2001-12-13 윤종용 액정표시장치의 조명 방법, 이를 구현시키기 위한액정표시장치의 백라이트 어셈블리 및 이를 채용한액정표시장치

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
1019980004827
1019990003849
1020000031056
1020010110539

Also Published As

Publication number Publication date
JP2004012924A (ja) 2004-01-15
KR200310868Y1 (ko) 2003-04-21
TWI253528B (en) 2006-04-21
KR20030095192A (ko) 2003-12-18
TW200307837A (en) 2003-12-16

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